squash #6156 (#6161)

* move common server files

* update includes with move

* create participant, move code

* fix linker errors

* fix regressions

* mark function as override to make clang happy

* split out spectator to new file

* forgot to add to cmakelists

* autocompleter picking wrong casing for var name

* clean up forwards declarations in player

* fix includes in game

common/server/game/server_abstract_participant.cpp

@@ -0,0 +1,612 @@
+#include "server_abstract_participant.h"
+
+#include "../../color.h"
+#include "../../deck_list.h"
+#include "../../deck_list_card_node.h"
+#include "../../get_pb_extension.h"
+#include "../../rng_abstract.h"
+#include "../../trice_limits.h"
+#include "../server.h"
+#include "../server_abstractuserinterface.h"
+#include "../server_database_interface.h"
+#include "../server_room.h"
+#include "pb/command_attach_card.pb.h"
+#include "pb/command_change_zone_properties.pb.h"
+#include "pb/command_concede.pb.h"
+#include "pb/command_create_arrow.pb.h"
+#include "pb/command_create_counter.pb.h"
+#include "pb/command_create_token.pb.h"
+#include "pb/command_deck_select.pb.h"
+#include "pb/command_del_counter.pb.h"
+#include "pb/command_delete_arrow.pb.h"
+#include "pb/command_draw_cards.pb.h"
+#include "pb/command_dump_zone.pb.h"
+#include "pb/command_flip_card.pb.h"
+#include "pb/command_game_say.pb.h"
+#include "pb/command_inc_card_counter.pb.h"
+#include "pb/command_inc_counter.pb.h"
+#include "pb/command_kick_from_game.pb.h"
+#include "pb/command_leave_game.pb.h"
+#include "pb/command_move_card.pb.h"
+#include "pb/command_mulligan.pb.h"
+#include "pb/command_next_turn.pb.h"
+#include "pb/command_ready_start.pb.h"
+#include "pb/command_reveal_cards.pb.h"
+#include "pb/command_reverse_turn.pb.h"
+#include "pb/command_roll_die.pb.h"
+#include "pb/command_set_active_phase.pb.h"
+#include "pb/command_set_card_attr.pb.h"
+#include "pb/command_set_card_counter.pb.h"
+#include "pb/command_set_counter.pb.h"
+#include "pb/command_set_sideboard_lock.pb.h"
+#include "pb/command_set_sideboard_plan.pb.h"
+#include "pb/command_shuffle.pb.h"
+#include "pb/command_undo_draw.pb.h"
+#include "pb/context_concede.pb.h"
+#include "pb/context_connection_state_changed.pb.h"
+#include "pb/context_deck_select.pb.h"
+#include "pb/context_move_card.pb.h"
+#include "pb/context_mulligan.pb.h"
+#include "pb/context_ready_start.pb.h"
+#include "pb/context_set_sideboard_lock.pb.h"
+#include "pb/context_undo_draw.pb.h"
+#include "pb/event_attach_card.pb.h"
+#include "pb/event_change_zone_properties.pb.h"
+#include "pb/event_create_arrow.pb.h"
+#include "pb/event_create_counter.pb.h"
+#include "pb/event_create_token.pb.h"
+#include "pb/event_del_counter.pb.h"
+#include "pb/event_delete_arrow.pb.h"
+#include "pb/event_destroy_card.pb.h"
+#include "pb/event_draw_cards.pb.h"
+#include "pb/event_dump_zone.pb.h"
+#include "pb/event_flip_card.pb.h"
+#include "pb/event_game_say.pb.h"
+#include "pb/event_move_card.pb.h"
+#include "pb/event_player_properties_changed.pb.h"
+#include "pb/event_reveal_cards.pb.h"
+#include "pb/event_reverse_turn.pb.h"
+#include "pb/event_roll_die.pb.h"
+#include "pb/event_set_card_attr.pb.h"
+#include "pb/event_set_card_counter.pb.h"
+#include "pb/event_set_counter.pb.h"
+#include "pb/event_shuffle.pb.h"
+#include "pb/response.pb.h"
+#include "pb/response_deck_download.pb.h"
+#include "pb/response_dump_zone.pb.h"
+#include "pb/serverinfo_player.pb.h"
+#include "pb/serverinfo_user.pb.h"
+#include "server_arrow.h"
+#include "server_card.h"
+#include "server_cardzone.h"
+#include "server_counter.h"
+#include "server_game.h"
+#include "server_player.h"
+
+#include <QDebug>
+#include <QRegularExpression>
+#include <algorithm>
+
+Server_AbstractParticipant::Server_AbstractParticipant(Server_Game *_game,
+                                                       int _playerId,
+                                                       const ServerInfo_User &_userInfo,
+                                                       bool _judge,
+                                                       Server_AbstractUserInterface *_userInterface)
+    : ServerInfo_User_Container(_userInfo), game(_game), userInterface(_userInterface), pingTime(0),
+      playerId(_playerId), judge(_judge)
+{
+}
+
+Server_AbstractParticipant::~Server_AbstractParticipant() = default;
+
+void Server_AbstractParticipant::removeFromGame()
+{
+    QMutexLocker locker(&playerMutex);
+    if (userInterface) {
+        userInterface->playerRemovedFromGame(game);
+    }
+}
+
+bool Server_AbstractParticipant::updatePingTime() // returns true if ping time changed
+{
+    QMutexLocker locker(&playerMutex);
+
+    int oldPingTime = pingTime;
+    if (userInterface) {
+        pingTime = userInterface->getLastCommandTime();
+    } else {
+        pingTime = -1;
+    }
+
+    return pingTime != oldPingTime;
+}
+
+void Server_AbstractParticipant::getProperties(ServerInfo_PlayerProperties &result, bool withUserInfo)
+{
+    result.set_player_id(playerId);
+    if (withUserInfo) {
+        copyUserInfo(*(result.mutable_user_info()), true);
+    }
+    result.set_spectator(spectator);
+    result.set_judge(judge);
+    result.set_ping_seconds(pingTime);
+    getPlayerProperties(result);
+}
+
+void Server_AbstractParticipant::getPlayerProperties(ServerInfo_PlayerProperties & /*result*/)
+{
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdLeaveGame(const Command_LeaveGame & /*cmd*/,
+                                                                ResponseContainer & /*rc*/,
+                                                                GameEventStorage & /*ges*/)
+{
+    game->removeParticipant(this, Event_Leave::USER_LEFT);
+    return Response::RespOk;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdKickFromGame(const Command_KickFromGame &cmd,
+                                                                   ResponseContainer & /*rc*/,
+                                                                   GameEventStorage & /*ges*/)
+{
+    if ((game->getHostId() != playerId) && !(userInfo->user_level() & ServerInfo_User::IsModerator)) {
+        return Response::RespFunctionNotAllowed;
+    }
+
+    if (!game->kickParticipant(cmd.player_id())) {
+        return Response::RespNameNotFound;
+    }
+
+    return Response::RespOk;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdDeckSelect(const Command_DeckSelect & /*cmd*/,
+                                                                 ResponseContainer & /*rc*/,
+                                                                 GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdSetSideboardPlan(const Command_SetSideboardPlan & /*cmd*/,
+                                                                       ResponseContainer & /*rc*/,
+                                                                       GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdSetSideboardLock(const Command_SetSideboardLock & /*cmd*/,
+                                                                       ResponseContainer & /*rc*/,
+                                                                       GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdConcede(const Command_Concede & /*cmd*/,
+                                                              ResponseContainer & /*rc*/,
+                                                              GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdUnconcede(const Command_Unconcede & /*cmd*/,
+                                                                ResponseContainer & /*rc*/,
+                                                                GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode
+Server_AbstractParticipant::cmdJudge(const Command_Judge &cmd, ResponseContainer &rc, GameEventStorage &ges)
+{
+    if (!judge) {
+        return Response::RespFunctionNotAllowed;
+    }
+
+    Server_Player *player = this->game->getPlayer(cmd.target_id());
+
+    ges.setForcedByJudge(playerId);
+    if (player == nullptr) {
+        return Response::RespContextError;
+    }
+
+    for (int i = 0; i < cmd.game_command_size(); ++i) {
+        player->processGameCommand(cmd.game_command(i), rc, ges);
+    }
+
+    return Response::RespOk;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdReadyStart(const Command_ReadyStart & /*cmd*/,
+                                                                 ResponseContainer & /*rc*/,
+                                                                 GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode
+Server_AbstractParticipant::cmdGameSay(const Command_GameSay &cmd, ResponseContainer & /*rc*/, GameEventStorage &ges)
+{
+    if (spectator) {
+        /* Spectators can only talk if:
+         * (a) the game creator allows it
+         * (b) the spectator is a moderator/administrator
+         * (c) the spectator is a judge
+         */
+        bool isModOrJudge = (userInfo->user_level() & (ServerInfo_User::IsModerator | ServerInfo_User::IsJudge));
+        if (!isModOrJudge && !game->getSpectatorsCanTalk()) {
+            return Response::RespFunctionNotAllowed;
+        }
+    }
+
+    if (!userInterface->addSaidMessageSize(static_cast<int>(cmd.message().size()))) {
+        return Response::RespChatFlood;
+    }
+    Event_GameSay event;
+    event.set_message(cmd.message());
+    ges.enqueueGameEvent(event, playerId);
+
+    game->getRoom()->getServer()->getDatabaseInterface()->logMessage(
+        userInfo->id(), QString::fromStdString(userInfo->name()), QString::fromStdString(userInfo->address()),
+        textFromStdString(cmd.message()), Server_DatabaseInterface::MessageTargetGame, game->getGameId(),
+        game->getDescription());
+
+    return Response::RespOk;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdShuffle(const Command_Shuffle & /*cmd*/,
+                                                              ResponseContainer & /*rc*/,
+                                                              GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdMulligan(const Command_Mulligan & /*cmd*/,
+                                                               ResponseContainer & /*rc*/,
+                                                               GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdRollDie(const Command_RollDie & /*cmd*/,
+                                                              ResponseContainer & /*rc*/,
+                                                              GameEventStorage & /*ges*/) const
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdDrawCards(const Command_DrawCards & /*cmd*/,
+                                                                ResponseContainer & /*rc*/,
+                                                                GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdUndoDraw(const Command_UndoDraw & /*cmd*/,
+                                                               ResponseContainer & /*rc*/,
+                                                               GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdMoveCard(const Command_MoveCard & /*cmd*/,
+                                                               ResponseContainer & /*rc*/,
+                                                               GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdFlipCard(const Command_FlipCard & /*cmd*/,
+                                                               ResponseContainer & /*rc*/,
+                                                               GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdAttachCard(const Command_AttachCard & /*cmd*/,
+                                                                 ResponseContainer & /*rc*/,
+                                                                 GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdCreateToken(const Command_CreateToken & /*cmd*/,
+                                                                  ResponseContainer & /*rc*/,
+                                                                  GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdCreateArrow(const Command_CreateArrow & /*cmd*/,
+                                                                  ResponseContainer & /*rc*/,
+                                                                  GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdDeleteArrow(const Command_DeleteArrow & /*cmd*/,
+                                                                  ResponseContainer & /*rc*/,
+                                                                  GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdSetCardAttr(const Command_SetCardAttr & /*cmd*/,
+                                                                  ResponseContainer & /*rc*/,
+                                                                  GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdSetCardCounter(const Command_SetCardCounter & /*cmd*/,
+                                                                     ResponseContainer & /*rc*/,
+                                                                     GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdIncCardCounter(const Command_IncCardCounter & /*cmd*/,
+                                                                     ResponseContainer & /*rc*/,
+                                                                     GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdIncCounter(const Command_IncCounter & /*cmd*/,
+                                                                 ResponseContainer & /*rc*/,
+                                                                 GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdCreateCounter(const Command_CreateCounter & /*cmd*/,
+                                                                    ResponseContainer & /*rc*/,
+                                                                    GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdSetCounter(const Command_SetCounter & /*cmd*/,
+                                                                 ResponseContainer & /*rc*/,
+                                                                 GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdDelCounter(const Command_DelCounter & /*cmd*/,
+                                                                 ResponseContainer & /*rc*/,
+                                                                 GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdNextTurn(const Command_NextTurn & /*cmd*/,
+                                                               ResponseContainer & /*rc*/,
+                                                               GameEventStorage & /*ges*/)
+{
+    if (!game->getGameStarted()) {
+        return Response::RespGameNotStarted;
+    }
+
+    if (!judge) {
+        return Response::RespFunctionNotAllowed;
+    }
+
+    game->nextTurn();
+    return Response::RespOk;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdSetActivePhase(const Command_SetActivePhase &cmd,
+                                                                     ResponseContainer & /*rc*/,
+                                                                     GameEventStorage & /*ges*/)
+{
+    if (!game->getGameStarted()) {
+        return Response::RespGameNotStarted;
+    }
+
+    if (!judge) {
+        return Response::RespFunctionNotAllowed;
+    }
+
+    game->setActivePhase(cmd.phase());
+
+    return Response::RespOk;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdDumpZone(const Command_DumpZone & /*cmd*/,
+                                                               ResponseContainer & /*rc*/,
+                                                               GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdRevealCards(const Command_RevealCards & /*cmd*/,
+                                                                  ResponseContainer & /*rc*/,
+                                                                  GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdChangeZoneProperties(const Command_ChangeZoneProperties & /*cmd*/,
+                                                                           ResponseContainer & /*rc*/,
+                                                                           GameEventStorage & /*ges*/)
+{
+    return Response::RespFunctionNotAllowed;
+}
+
+Response::ResponseCode Server_AbstractParticipant::cmdReverseTurn(const Command_ReverseTurn & /*cmd*/,
+                                                                  ResponseContainer & /*rc*/,
+                                                                  GameEventStorage &ges)
+{
+    if (!judge) {
+        if (spectator) {
+            return Response::RespFunctionNotAllowed;
+        }
+
+        if (!game->getGameStarted()) {
+            return Response::RespGameNotStarted;
+        }
+    }
+
+    bool reversedTurn = game->reverseTurnOrder();
+
+    Event_ReverseTurn event;
+    event.set_reversed(reversedTurn);
+    ges.enqueueGameEvent(event, playerId);
+
+    return Response::RespOk;
+}
+
+Response::ResponseCode
+Server_AbstractParticipant::processGameCommand(const GameCommand &command, ResponseContainer &rc, GameEventStorage &ges)
+{
+    switch ((GameCommand::GameCommandType)getPbExtension(command)) {
+        case GameCommand::KICK_FROM_GAME:
+            return cmdKickFromGame(command.GetExtension(Command_KickFromGame::ext), rc, ges);
+            break;
+        case GameCommand::LEAVE_GAME:
+            return cmdLeaveGame(command.GetExtension(Command_LeaveGame::ext), rc, ges);
+            break;
+        case GameCommand::GAME_SAY:
+            return cmdGameSay(command.GetExtension(Command_GameSay::ext), rc, ges);
+            break;
+        case GameCommand::SHUFFLE:
+            return cmdShuffle(command.GetExtension(Command_Shuffle::ext), rc, ges);
+            break;
+        case GameCommand::MULLIGAN:
+            return cmdMulligan(command.GetExtension(Command_Mulligan::ext), rc, ges);
+            break;
+        case GameCommand::ROLL_DIE:
+            return cmdRollDie(command.GetExtension(Command_RollDie::ext), rc, ges);
+            break;
+        case GameCommand::DRAW_CARDS:
+            return cmdDrawCards(command.GetExtension(Command_DrawCards::ext), rc, ges);
+            break;
+        case GameCommand::UNDO_DRAW:
+            return cmdUndoDraw(command.GetExtension(Command_UndoDraw::ext), rc, ges);
+            break;
+        case GameCommand::FLIP_CARD:
+            return cmdFlipCard(command.GetExtension(Command_FlipCard::ext), rc, ges);
+            break;
+        case GameCommand::ATTACH_CARD:
+            return cmdAttachCard(command.GetExtension(Command_AttachCard::ext), rc, ges);
+            break;
+        case GameCommand::CREATE_TOKEN:
+            return cmdCreateToken(command.GetExtension(Command_CreateToken::ext), rc, ges);
+            break;
+        case GameCommand::CREATE_ARROW:
+            return cmdCreateArrow(command.GetExtension(Command_CreateArrow::ext), rc, ges);
+            break;
+        case GameCommand::DELETE_ARROW:
+            return cmdDeleteArrow(command.GetExtension(Command_DeleteArrow::ext), rc, ges);
+            break;
+        case GameCommand::SET_CARD_ATTR:
+            return cmdSetCardAttr(command.GetExtension(Command_SetCardAttr::ext), rc, ges);
+            break;
+        case GameCommand::SET_CARD_COUNTER:
+            return cmdSetCardCounter(command.GetExtension(Command_SetCardCounter::ext), rc, ges);
+            break;
+        case GameCommand::INC_CARD_COUNTER:
+            return cmdIncCardCounter(command.GetExtension(Command_IncCardCounter::ext), rc, ges);
+            break;
+        case GameCommand::READY_START:
+            return cmdReadyStart(command.GetExtension(Command_ReadyStart::ext), rc, ges);
+            break;
+        case GameCommand::CONCEDE:
+            return cmdConcede(command.GetExtension(Command_Concede::ext), rc, ges);
+            break;
+        case GameCommand::INC_COUNTER:
+            return cmdIncCounter(command.GetExtension(Command_IncCounter::ext), rc, ges);
+            break;
+        case GameCommand::CREATE_COUNTER:
+            return cmdCreateCounter(command.GetExtension(Command_CreateCounter::ext), rc, ges);
+            break;
+        case GameCommand::SET_COUNTER:
+            return cmdSetCounter(command.GetExtension(Command_SetCounter::ext), rc, ges);
+            break;
+        case GameCommand::DEL_COUNTER:
+            return cmdDelCounter(command.GetExtension(Command_DelCounter::ext), rc, ges);
+            break;
+        case GameCommand::NEXT_TURN:
+            return cmdNextTurn(command.GetExtension(Command_NextTurn::ext), rc, ges);
+            break;
+        case GameCommand::SET_ACTIVE_PHASE:
+            return cmdSetActivePhase(command.GetExtension(Command_SetActivePhase::ext), rc, ges);
+            break;
+        case GameCommand::DUMP_ZONE:
+            return cmdDumpZone(command.GetExtension(Command_DumpZone::ext), rc, ges);
+            break;
+        case GameCommand::REVEAL_CARDS:
+            return cmdRevealCards(command.GetExtension(Command_RevealCards::ext), rc, ges);
+            break;
+        case GameCommand::MOVE_CARD:
+            return cmdMoveCard(command.GetExtension(Command_MoveCard::ext), rc, ges);
+            break;
+        case GameCommand::SET_SIDEBOARD_PLAN:
+            return cmdSetSideboardPlan(command.GetExtension(Command_SetSideboardPlan::ext), rc, ges);
+            break;
+        case GameCommand::DECK_SELECT:
+            return cmdDeckSelect(command.GetExtension(Command_DeckSelect::ext), rc, ges);
+            break;
+        case GameCommand::SET_SIDEBOARD_LOCK:
+            return cmdSetSideboardLock(command.GetExtension(Command_SetSideboardLock::ext), rc, ges);
+            break;
+        case GameCommand::CHANGE_ZONE_PROPERTIES:
+            return cmdChangeZoneProperties(command.GetExtension(Command_ChangeZoneProperties::ext), rc, ges);
+            break;
+        case GameCommand::UNCONCEDE:
+            return cmdUnconcede(command.GetExtension(Command_Unconcede::ext), rc, ges);
+            break;
+        case GameCommand::JUDGE:
+            return cmdJudge(command.GetExtension(Command_Judge::ext), rc, ges);
+            break;
+        case GameCommand::REVERSE_TURN:
+            return cmdReverseTurn(command.GetExtension(Command_ReverseTurn::ext), rc, ges);
+            break;
+        default:
+            return Response::RespInvalidCommand;
+    }
+}
+
+void Server_AbstractParticipant::sendGameEvent(const GameEventContainer &cont)
+{
+    QMutexLocker locker(&playerMutex);
+
+    if (userInterface) {
+        userInterface->sendProtocolItem(cont);
+    }
+}
+
+void Server_AbstractParticipant::setUserInterface(Server_AbstractUserInterface *_userInterface)
+{
+    playerMutex.lock();
+    userInterface = _userInterface;
+    playerMutex.unlock();
+
+    pingTime = _userInterface ? 0 : -1;
+
+    Event_PlayerPropertiesChanged event;
+    event.mutable_player_properties()->set_ping_seconds(pingTime);
+
+    GameEventStorage ges;
+    ges.setGameEventContext(Context_ConnectionStateChanged());
+    ges.enqueueGameEvent(event, playerId);
+    ges.sendToGame(game);
+}
+
+void Server_AbstractParticipant::disconnectClient()
+{
+    bool isRegistered = userInfo->user_level() & ServerInfo_User::IsRegistered;
+    if (!isRegistered || spectator) {
+        game->removeParticipant(this, Event_Leave::USER_DISCONNECTED);
+    } else {
+        setUserInterface(nullptr);
+    }
+}
+
+void Server_AbstractParticipant::getInfo(ServerInfo_Player *info,
+                                         Server_AbstractParticipant * /*recipient*/,
+                                         bool /* omniscient */,
+                                         bool withUserInfo)
+{
+    getProperties(*info->mutable_properties(), withUserInfo);
+}

common/server/game/server_abstract_participant.h

@@ -0,0 +1,183 @@
+#ifndef ABSTRACT_PARTICIPANT_H
+#define ABSTRACT_PARTICIPANT_H
+
+#include "../../serverinfo_user_container.h"
+#include "pb/card_attributes.pb.h"
+#include "pb/response.pb.h"
+#include "server_arrowtarget.h"
+
+#include <QMutex>
+
+class Server_Game;
+class Server_AbstractUserInterface;
+class ServerInfo_User;
+class ServerInfo_Player;
+class ServerInfo_PlayerProperties;
+class GameEventContainer;
+class GameEventStorage;
+class ResponseContainer;
+class GameCommand;
+
+class Command_KickFromGame;
+class Command_LeaveGame;
+class Command_GameSay;
+class Command_Shuffle;
+class Command_Mulligan;
+class Command_RollDie;
+class Command_DrawCards;
+class Command_UndoDraw;
+class Command_FlipCard;
+class Command_AttachCard;
+class Command_CreateToken;
+class Command_CreateArrow;
+class Command_DeleteArrow;
+class Command_SetCardAttr;
+class Command_SetCardCounter;
+class Command_IncCardCounter;
+class Command_ReadyStart;
+class Command_Concede;
+class Command_Unconcede;
+class Command_Judge;
+class Command_IncCounter;
+class Command_CreateCounter;
+class Command_SetCounter;
+class Command_DelCounter;
+class Command_NextTurn;
+class Command_SetActivePhase;
+class Command_DumpZone;
+class Command_RevealCards;
+class Command_ReverseTurn;
+class Command_MoveCard;
+class Command_SetSideboardPlan;
+class Command_DeckSelect;
+class Command_SetSideboardLock;
+class Command_ChangeZoneProperties;
+
+class Server_AbstractParticipant : public Server_ArrowTarget, public ServerInfo_User_Container
+{
+    Q_OBJECT
+protected:
+    Server_Game *game;
+    Server_AbstractUserInterface *userInterface;
+    int pingTime;
+    int playerId;
+    bool spectator;
+    bool judge;
+    virtual void getPlayerProperties(ServerInfo_PlayerProperties &result);
+    mutable QMutex playerMutex;
+
+public:
+    Server_AbstractParticipant(Server_Game *_game,
+                               int _playerId,
+                               const ServerInfo_User &_userInfo,
+                               bool _judge,
+                               Server_AbstractUserInterface *_handler);
+    ~Server_AbstractParticipant() override;
+    virtual void prepareDestroy()
+    {
+        removeFromGame();
+    };
+    void removeFromGame();
+    Server_AbstractUserInterface *getUserInterface() const
+    {
+        return userInterface;
+    }
+    void setUserInterface(Server_AbstractUserInterface *_userInterface);
+    void disconnectClient();
+
+    int getPlayerId() const
+    {
+        return playerId;
+    }
+    bool getSpectator() const
+    {
+        return spectator;
+    }
+    bool getJudge() const
+    {
+        return judge;
+    }
+    Server_Game *getGame() const
+    {
+        return game;
+    }
+    int getPingTime() const
+    {
+        return pingTime;
+    }
+    bool updatePingTime();
+    void getProperties(ServerInfo_PlayerProperties &result, bool withUserInfo);
+
+    virtual Response::ResponseCode
+    cmdLeaveGame(const Command_LeaveGame &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdKickFromGame(const Command_KickFromGame &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode cmdConcede(const Command_Concede &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdUnconcede(const Command_Unconcede &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode cmdJudge(const Command_Judge &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdReadyStart(const Command_ReadyStart &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdDeckSelect(const Command_DeckSelect &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdSetSideboardPlan(const Command_SetSideboardPlan &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdSetSideboardLock(const Command_SetSideboardLock &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode cmdGameSay(const Command_GameSay &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode cmdShuffle(const Command_Shuffle &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdMulligan(const Command_Mulligan &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdRollDie(const Command_RollDie &cmd, ResponseContainer &rc, GameEventStorage &ges) const;
+    virtual Response::ResponseCode
+    cmdDrawCards(const Command_DrawCards &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdUndoDraw(const Command_UndoDraw &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdMoveCard(const Command_MoveCard &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdFlipCard(const Command_FlipCard &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdAttachCard(const Command_AttachCard &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdCreateToken(const Command_CreateToken &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdCreateArrow(const Command_CreateArrow &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdDeleteArrow(const Command_DeleteArrow &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdSetCardAttr(const Command_SetCardAttr &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdSetCardCounter(const Command_SetCardCounter &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdIncCardCounter(const Command_IncCardCounter &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdIncCounter(const Command_IncCounter &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdCreateCounter(const Command_CreateCounter &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdSetCounter(const Command_SetCounter &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdDelCounter(const Command_DelCounter &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdNextTurn(const Command_NextTurn &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdSetActivePhase(const Command_SetActivePhase &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdDumpZone(const Command_DumpZone &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdRevealCards(const Command_RevealCards &cmd, ResponseContainer &rc, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdReverseTurn(const Command_ReverseTurn & /*cmd*/, ResponseContainer & /*rc*/, GameEventStorage &ges);
+    virtual Response::ResponseCode
+    cmdChangeZoneProperties(const Command_ChangeZoneProperties &cmd, ResponseContainer &rc, GameEventStorage &ges);
+
+    Response::ResponseCode processGameCommand(const GameCommand &command, ResponseContainer &rc, GameEventStorage &ges);
+    void sendGameEvent(const GameEventContainer &event);
+
+    virtual void
+    getInfo(ServerInfo_Player *info, Server_AbstractParticipant *recipient, bool omniscient, bool withUserInfo);
+};
+
+#endif

common/server/game/server_arrow.cpp

@@ -0,0 +1,28 @@
+#include "server_arrow.h"
+
+#include "pb/serverinfo_arrow.pb.h"
+#include "server_card.h"
+#include "server_cardzone.h"
+#include "server_player.h"
+
+Server_Arrow::Server_Arrow(int _id, Server_Card *_startCard, Server_ArrowTarget *_targetItem, const color &_arrowColor)
+    : id(_id), startCard(_startCard), targetItem(_targetItem), arrowColor(_arrowColor)
+{
+}
+
+void Server_Arrow::getInfo(ServerInfo_Arrow *info)
+{
+    info->set_id(id);
+    info->set_start_player_id(startCard->getZone()->getPlayer()->getPlayerId());
+    info->set_start_zone(startCard->getZone()->getName().toStdString());
+    info->set_start_card_id(startCard->getId());
+    info->mutable_arrow_color()->CopyFrom(arrowColor);
+
+    Server_Card *targetCard = qobject_cast<Server_Card *>(targetItem);
+    if (targetCard) {
+        info->set_target_player_id(targetCard->getZone()->getPlayer()->getPlayerId());
+        info->set_target_zone(targetCard->getZone()->getName().toStdString());
+        info->set_target_card_id(targetCard->getId());
+    } else
+        info->set_target_player_id(static_cast<Server_Player *>(targetItem)->getPlayerId());
+}

common/server/game/server_arrow.h

@@ -0,0 +1,52 @@
+#ifndef SERVER_ARROW_H
+#define SERVER_ARROW_H
+
+#include "pb/color.pb.h"
+
+class Server_Card;
+class Server_ArrowTarget;
+class ServerInfo_Arrow;
+
+class Server_Arrow
+{
+private:
+    int id;
+    Server_Card *startCard;
+    Server_ArrowTarget *targetItem;
+    color arrowColor;
+
+public:
+    Server_Arrow(int _id, Server_Card *_startCard, Server_ArrowTarget *_targetItem, const color &_arrowColor);
+    int getId() const
+    {
+        return id;
+    }
+    void setId(int _id)
+    {
+        id = _id;
+    }
+    Server_Card *getStartCard() const
+    {
+        return startCard;
+    }
+    void setStartCard(Server_Card *startCard_)
+    {
+        startCard = startCard_;
+    }
+    Server_ArrowTarget *getTargetItem() const
+    {
+        return targetItem;
+    }
+    void setTargetItem(Server_ArrowTarget *targetItem_)
+    {
+        targetItem = targetItem_;
+    }
+    const color &getColor() const
+    {
+        return arrowColor;
+    }
+
+    void getInfo(ServerInfo_Arrow *info);
+};
+
+#endif

common/server/game/server_arrowtarget.cpp

@@ -0,0 +1,2 @@
+
+#include "server_arrowtarget.h"

common/server/game/server_arrowtarget.h

@@ -0,0 +1,11 @@
+#ifndef SERVER_ARROWTARGET_H
+#define SERVER_ARROWTARGET_H
+
+#include <QObject>
+
+class Server_ArrowTarget : public QObject
+{
+    Q_OBJECT
+};
+
+#endif

common/server/game/server_card.cpp

@@ -0,0 +1,174 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Max-Wilhelm Bruker   *
+ *   brukie@laptop   *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#include "server_card.h"
+
+#include "pb/event_set_card_attr.pb.h"
+#include "pb/event_set_card_counter.pb.h"
+#include "pb/serverinfo_card.pb.h"
+#include "server_cardzone.h"
+#include "server_player.h"
+
+#include <QVariant>
+
+Server_Card::Server_Card(const CardRef &cardRef, int _id, int _coord_x, int _coord_y, Server_CardZone *_zone)
+    : zone(_zone), id(_id), coord_x(_coord_x), coord_y(_coord_y), cardRef(cardRef), tapped(false), attacking(false),
+      facedown(false), destroyOnZoneChange(false), doesntUntap(false), parentCard(0), stashedCard(nullptr)
+{
+}
+
+Server_Card::~Server_Card()
+{
+    // setParentCard(0) leads to the item being removed from our list, so we can't iterate properly
+    while (!attachedCards.isEmpty())
+        attachedCards.first()->setParentCard(0);
+
+    if (parentCard)
+        parentCard->removeAttachedCard(this);
+
+    if (stashedCard) {
+        stashedCard->deleteLater();
+        stashedCard = nullptr;
+    }
+}
+
+void Server_Card::resetState(bool keepAnnotations)
+{
+    counters.clear();
+    setTapped(false);
+    setAttacking(false);
+    setPT(QString());
+    if (!keepAnnotations) {
+        setAnnotation(QString());
+    }
+    setDoesntUntap(false);
+}
+
+QString Server_Card::setAttribute(CardAttribute attribute, const QString &avalue, bool allCards)
+{
+    if (attribute == AttrTapped && avalue != "1" && allCards && doesntUntap)
+        return QVariant(tapped).toString();
+
+    return setAttribute(attribute, avalue);
+}
+
+QString Server_Card::setAttribute(CardAttribute attribute, const QString &avalue, Event_SetCardAttr *event)
+{
+    if (event)
+        event->set_attribute(attribute);
+
+    switch (attribute) {
+        case AttrTapped: {
+            setTapped(avalue == "1");
+            break;
+        }
+        case AttrAttacking:
+            setAttacking(avalue == "1");
+            break;
+        case AttrFaceDown:
+            setFaceDown(avalue == "1");
+            break;
+        case AttrColor:
+            setColor(avalue);
+            break;
+        case AttrPT:
+            setPT(avalue);
+            if (event)
+                event->set_attr_value(getPT().toStdString());
+            return getPT();
+        case AttrAnnotation:
+            setAnnotation(avalue);
+            break;
+        case AttrDoesntUntap:
+            setDoesntUntap(avalue == "1");
+            break;
+    }
+    if (event)
+        event->set_attr_value(avalue.toStdString());
+    return avalue;
+}
+
+void Server_Card::setCounter(int _id, int value, Event_SetCardCounter *event)
+{
+    if (value)
+        counters.insert(_id, value);
+    else
+        counters.remove(_id);
+
+    if (event) {
+        event->set_counter_id(_id);
+        event->set_counter_value(value);
+    }
+}
+
+void Server_Card::setParentCard(Server_Card *_parentCard)
+{
+    if (parentCard)
+        parentCard->removeAttachedCard(this);
+    parentCard = _parentCard;
+    if (parentCard)
+        parentCard->addAttachedCard(this);
+}
+
+void Server_Card::getInfo(ServerInfo_Card *info)
+{
+    QString displayedName = facedown ? QString() : cardRef.name;
+
+    info->set_id(id);
+    info->set_provider_id(cardRef.providerId.toStdString());
+    info->set_name(displayedName.toStdString());
+    info->set_x(coord_x);
+    info->set_y(coord_y);
+    if (facedown) {
+        info->set_face_down(true);
+    }
+    info->set_tapped(tapped);
+    if (attacking) {
+        info->set_attacking(true);
+    }
+    if (!color.isEmpty()) {
+        info->set_color(color.toStdString());
+    }
+    if (!ptString.isEmpty()) {
+        info->set_pt(ptString.toStdString());
+    }
+    if (!annotation.isEmpty()) {
+        info->set_annotation(annotation.toStdString());
+    }
+    if (destroyOnZoneChange) {
+        info->set_destroy_on_zone_change(true);
+    }
+    if (doesntUntap) {
+        info->set_doesnt_untap(true);
+    }
+
+    QMapIterator<int, int> cardCounterIterator(counters);
+    while (cardCounterIterator.hasNext()) {
+        cardCounterIterator.next();
+        ServerInfo_CardCounter *counterInfo = info->add_counter_list();
+        counterInfo->set_id(cardCounterIterator.key());
+        counterInfo->set_value(cardCounterIterator.value());
+    }
+
+    if (parentCard) {
+        info->set_attach_player_id(parentCard->getZone()->getPlayer()->getPlayerId());
+        info->set_attach_zone(parentCard->getZone()->getName().toStdString());
+        info->set_attach_card_id(parentCard->getId());
+    }
+}

common/server/game/server_card.h

@@ -0,0 +1,227 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Max-Wilhelm Bruker   *
+ *   brukie@laptop   *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#ifndef SERVER_CARD_H
+#define SERVER_CARD_H
+
+#include "../../card_ref.h"
+#include "pb/card_attributes.pb.h"
+#include "pb/serverinfo_card.pb.h"
+#include "server_arrowtarget.h"
+
+#include <QMap>
+#include <QString>
+
+class Server_CardZone;
+class Event_SetCardCounter;
+class Event_SetCardAttr;
+
+class Server_Card : public Server_ArrowTarget
+{
+    Q_OBJECT
+private:
+    Server_CardZone *zone;
+    int id;
+    int coord_x, coord_y;
+    CardRef cardRef;
+    QMap<int, int> counters;
+    bool tapped;
+    bool attacking;
+    bool facedown;
+    QString color;
+    QString ptString;
+    QString annotation;
+    bool destroyOnZoneChange;
+    bool doesntUntap;
+
+    Server_Card *parentCard;
+    QList<Server_Card *> attachedCards;
+    Server_Card *stashedCard;
+
+public:
+    Server_Card(const CardRef &cardRef, int _id, int _coord_x, int _coord_y, Server_CardZone *_zone = nullptr);
+    ~Server_Card() override;
+
+    Server_CardZone *getZone() const
+    {
+        return zone;
+    }
+    void setZone(Server_CardZone *_zone)
+    {
+        zone = _zone;
+    }
+
+    int getId() const
+    {
+        return id;
+    }
+    CardRef getCardRef() const
+    {
+        return cardRef;
+    }
+    QString getProviderId() const
+    {
+        return cardRef.providerId;
+    }
+    int getX() const
+    {
+        return coord_x;
+    }
+    int getY() const
+    {
+        return coord_y;
+    }
+    QString getName() const
+    {
+        return cardRef.name;
+    }
+    const QMap<int, int> &getCounters() const
+    {
+        return counters;
+    }
+    int getCounter(int counter_id) const
+    {
+        return counters.value(counter_id, 0);
+    }
+    bool getTapped() const
+    {
+        return tapped;
+    }
+    bool getAttacking() const
+    {
+        return attacking;
+    }
+    bool getFaceDown() const
+    {
+        return facedown;
+    }
+    QString getColor() const
+    {
+        return color;
+    }
+    QString getPT() const
+    {
+        return ptString;
+    }
+    QString getAnnotation() const
+    {
+        return annotation;
+    }
+    bool getDoesntUntap() const
+    {
+        return doesntUntap;
+    }
+    bool getDestroyOnZoneChange() const
+    {
+        return destroyOnZoneChange;
+    }
+    Server_Card *getParentCard() const
+    {
+        return parentCard;
+    }
+    const QList<Server_Card *> &getAttachedCards() const
+    {
+        return attachedCards;
+    }
+
+    void setId(int _id)
+    {
+        id = _id;
+    }
+    void setCoords(int x, int y)
+    {
+        coord_x = x;
+        coord_y = y;
+    }
+    void setCardRef(const CardRef &_cardRef)
+    {
+        cardRef = _cardRef;
+    }
+    void setCounter(int _id, int value, Event_SetCardCounter *event = nullptr);
+    void setTapped(bool _tapped)
+    {
+        tapped = _tapped;
+    }
+    void setAttacking(bool _attacking)
+    {
+        attacking = _attacking;
+    }
+    void setFaceDown(bool _facedown)
+    {
+        facedown = _facedown;
+    }
+    void setColor(const QString &_color)
+    {
+        color = _color;
+    }
+    void setPT(const QString &_pt)
+    {
+        ptString = _pt;
+    }
+    void setAnnotation(const QString &_annotation)
+    {
+        annotation = _annotation;
+    }
+    void setDestroyOnZoneChange(bool _destroy)
+    {
+        destroyOnZoneChange = _destroy;
+    }
+    void setDoesntUntap(bool _doesntUntap)
+    {
+        doesntUntap = _doesntUntap;
+    }
+    void setParentCard(Server_Card *_parentCard);
+    void addAttachedCard(Server_Card *card)
+    {
+        attachedCards.append(card);
+    }
+    void removeAttachedCard(Server_Card *card)
+    {
+        attachedCards.removeOne(card);
+    }
+    void setStashedCard(Server_Card *card)
+    {
+        // setStashedCard should only be called on creation of a new card, so
+        // there should never be an already existing stashed card.
+        Q_ASSERT(!stashedCard);
+
+        // Stashed cards can't themselves have stashed cards, and tokens can't
+        // be stashed.
+        if (card->stashedCard || card->getDestroyOnZoneChange()) {
+            stashedCard = card->takeStashedCard();
+            card->deleteLater();
+        } else {
+            stashedCard = card;
+        }
+    }
+    Server_Card *takeStashedCard()
+    {
+        Server_Card *oldStashedCard = stashedCard;
+        stashedCard = nullptr;
+        return oldStashedCard;
+    }
+
+    void resetState(bool keepAnnotations = false);
+    QString setAttribute(CardAttribute attribute, const QString &avalue, bool allCards);
+    QString setAttribute(CardAttribute attribute, const QString &avalue, Event_SetCardAttr *event = nullptr);
+
+    void getInfo(ServerInfo_Card *info);
+};
+
+#endif

common/server/game/server_cardzone.cpp

@@ -0,0 +1,339 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Max-Wilhelm Bruker   *
+ *   brukie@laptop   *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#include "server_cardzone.h"
+
+#include "../rng_abstract.h"
+#include "pb/command_move_card.pb.h"
+#include "server_card.h"
+#include "server_player.h"
+
+#include <QDebug>
+#include <QSet>
+
+Server_CardZone::Server_CardZone(Server_Player *_player,
+                                 const QString &_name,
+                                 bool _has_coords,
+                                 ServerInfo_Zone::ZoneType _type)
+    : player(_player), name(_name), has_coords(_has_coords), type(_type), cardsBeingLookedAt(0),
+      alwaysRevealTopCard(false), alwaysLookAtTopCard(false)
+{
+}
+
+Server_CardZone::~Server_CardZone()
+{
+    qDebug() << "Server_CardZone destructor:" << name;
+    clear();
+}
+
+void Server_CardZone::shuffle(int start, int end)
+{
+    cardsBeingLookedAt = 0;
+
+    // Size 0 or 1 decks are sorted
+    if (cards.size() < 2)
+        return;
+
+    // Negative numbers signify positions starting at the end of the
+    // zone convert these to actual indexes.
+    if (end < 0)
+        end += cards.size();
+
+    if (start < 0)
+        start += cards.size();
+
+    if (start < 0 || end < 0 || start >= cards.size() || end >= cards.size())
+        return;
+
+    for (int i = end; i > start; i--) {
+        int j = rng->rand(start, i);
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 13, 0))
+        cards.swapItemsAt(j, i);
+#else
+        cards.swap(j, i);
+#endif
+    }
+    playersWithWritePermission.clear();
+}
+
+void Server_CardZone::removeCardFromCoordMap(Server_Card *card, int oldX, int oldY)
+{
+    if (oldX < 0)
+        return;
+
+    const int baseX = (oldX / 3) * 3;
+    QMap<int, Server_Card *> &coordMap = coordinateMap[oldY];
+
+    if (coordMap.contains(baseX) && coordMap.contains(baseX + 1) && coordMap.contains(baseX + 2))
+        // If the removal of this card has opened up a previously full pile...
+        freePilesMap[oldY].insert(coordMap.value(baseX)->getName(), baseX);
+
+    coordMap.remove(oldX);
+
+    if (!(coordMap.contains(baseX) && coordMap.value(baseX)->getName() == card->getName()) &&
+        !(coordMap.contains(baseX + 1) && coordMap.value(baseX + 1)->getName() == card->getName()) &&
+        !(coordMap.contains(baseX + 2) && coordMap.value(baseX + 2)->getName() == card->getName()))
+        // If this card was the last one with this name...
+        freePilesMap[oldY].remove(card->getName(), baseX);
+
+    if (!coordMap.contains(baseX) && !coordMap.contains(baseX + 1) && !coordMap.contains(baseX + 2)) {
+        // If the removal of this card has freed a whole pile, i.e. it was the last card in it...
+        if (baseX < freeSpaceMap[oldY])
+            freeSpaceMap[oldY] = baseX;
+    }
+}
+
+void Server_CardZone::insertCardIntoCoordMap(Server_Card *card, int x, int y)
+{
+    if (x < 0)
+        return;
+
+    coordinateMap[y].insert(x, card);
+    if (!(x % 3)) {
+        if (!card->getFaceDown() && !freePilesMap[y].contains(card->getName(), x) && card->getAttachedCards().isEmpty())
+            freePilesMap[y].insert(card->getName(), x);
+        if (freeSpaceMap[y] == x) {
+            int nextFreeX = x;
+            do {
+                nextFreeX += 3;
+            } while (coordinateMap[y].contains(nextFreeX) || coordinateMap[y].contains(nextFreeX + 1) ||
+                     coordinateMap[y].contains(nextFreeX + 2));
+            freeSpaceMap[y] = nextFreeX;
+        }
+    } else if (!((x - 2) % 3)) {
+        const int baseX = (x / 3) * 3;
+        freePilesMap[y].remove(coordinateMap[y].value(baseX)->getName(), baseX);
+    }
+}
+
+int Server_CardZone::removeCard(Server_Card *card)
+{
+    bool wasLookedAt;
+    return removeCard(card, wasLookedAt);
+}
+
+int Server_CardZone::removeCard(Server_Card *card, bool &wasLookedAt)
+{
+    int index = cards.indexOf(card);
+    wasLookedAt = isCardAtPosLookedAt(index);
+    if (wasLookedAt && cardsBeingLookedAt > 0) {
+        cardsBeingLookedAt -= 1;
+    }
+    cards.removeAt(index);
+    if (has_coords) {
+        removeCardFromCoordMap(card, card->getX(), card->getY());
+    }
+    card->setZone(nullptr);
+
+    return index;
+}
+
+Server_Card *Server_CardZone::getCard(int id, int *position, bool remove)
+{
+    if (type != ServerInfo_Zone::HiddenZone) {
+        for (int i = 0; i < cards.size(); ++i) {
+            Server_Card *tmp = cards[i];
+            if (tmp->getId() == id) {
+                if (position)
+                    *position = i;
+                if (remove) {
+                    cards.removeAt(i);
+                    tmp->setZone(nullptr);
+                }
+                return tmp;
+            }
+        }
+        return nullptr;
+    } else {
+        if ((id >= cards.size()) || (id < 0))
+            return nullptr;
+        Server_Card *tmp = cards[id];
+        if (position)
+            *position = id;
+        if (remove) {
+            cards.removeAt(id);
+            tmp->setZone(nullptr);
+        }
+        return tmp;
+    }
+}
+
+bool Server_CardZone::isCardAtPosLookedAt(int pos) const
+{
+    return type == ServerInfo_Zone::HiddenZone && (cardsBeingLookedAt == -1 || cardsBeingLookedAt > pos);
+}
+
+int Server_CardZone::getFreeGridColumn(int x, int y, const QString &cardName, bool dontStackSameName) const
+{
+    const QMap<int, Server_Card *> &coordMap = coordinateMap.value(y);
+    if (x == -1) {
+        if (!dontStackSameName && freePilesMap[y].contains(cardName)) {
+            x = (freePilesMap[y].value(cardName) / 3) * 3;
+
+            if (coordMap.contains(x) && (coordMap[x]->getFaceDown() || !coordMap[x]->getAttachedCards().isEmpty())) {
+                // don't pile up on: 1. facedown cards 2. cards with attached cards
+            } else if (!coordMap.contains(x))
+                return x;
+            else if (!coordMap.contains(x + 1))
+                return x + 1;
+            else
+                return x + 2;
+        }
+    } else if (x >= 0) {
+        int resultX = 0;
+        x = (x / 3) * 3;
+        if (!coordMap.contains(x))
+            resultX = x;
+        else if (!coordMap.value(x)->getAttachedCards().isEmpty()) {
+            resultX = x;
+            x = -1;
+        } else if (!coordMap.contains(x + 1))
+            resultX = x + 1;
+        else if (!coordMap.contains(x + 2))
+            resultX = x + 2;
+        else {
+            resultX = x;
+            x = -1;
+        }
+        if (x < 0)
+            while (coordMap.contains(resultX))
+                resultX += 3;
+
+        return resultX;
+    }
+
+    return freeSpaceMap[y];
+}
+
+bool Server_CardZone::isColumnStacked(int x, int y) const
+{
+    if (!has_coords)
+        return false;
+
+    return coordinateMap[y].contains((x / 3) * 3 + 1);
+}
+
+bool Server_CardZone::isColumnEmpty(int x, int y) const
+{
+    if (!has_coords)
+        return true;
+
+    return !coordinateMap[y].contains((x / 3) * 3);
+}
+
+void Server_CardZone::moveCardInRow(GameEventStorage &ges, Server_Card *card, int x, int y)
+{
+    auto *cardToMove = new CardToMove;
+    cardToMove->set_card_id(card->getId());
+    player->moveCard(ges, this, QList<const CardToMove *>() << cardToMove, this, x, y, false, false);
+    delete cardToMove;
+}
+
+void Server_CardZone::fixFreeSpaces(GameEventStorage &ges)
+{
+    if (!has_coords)
+        return;
+
+    QSet<QPair<int, int>> placesToLook;
+    for (auto &card : cards)
+        placesToLook.insert(QPair<int, int>((card->getX() / 3) * 3, card->getY()));
+
+    QSetIterator<QPair<int, int>> placeIterator(placesToLook);
+    while (placeIterator.hasNext()) {
+        const QPair<int, int> &foo = placeIterator.next();
+        int baseX = foo.first;
+        int y = foo.second;
+
+        if (!coordinateMap[y].contains(baseX)) {
+            if (coordinateMap[y].contains(baseX + 1))
+                moveCardInRow(ges, coordinateMap[y].value(baseX + 1), baseX, y);
+            else if (coordinateMap[y].contains(baseX + 2)) {
+                moveCardInRow(ges, coordinateMap[y].value(baseX + 2), baseX, y);
+                continue;
+            } else
+                continue;
+        }
+        if (!coordinateMap[y].contains(baseX + 1) && coordinateMap[y].contains(baseX + 2))
+            moveCardInRow(ges, coordinateMap[y].value(baseX + 2), baseX + 1, y);
+    }
+}
+
+void Server_CardZone::updateCardCoordinates(Server_Card *card, int oldX, int oldY)
+{
+    if (!has_coords)
+        return;
+
+    if (oldX != -1)
+        removeCardFromCoordMap(card, oldX, oldY);
+    insertCardIntoCoordMap(card, card->getX(), card->getY());
+}
+
+void Server_CardZone::insertCard(Server_Card *card, int x, int y)
+{
+    if (hasCoords()) {
+        card->setCoords(x, y);
+        cards.append(card);
+        insertCardIntoCoordMap(card, x, y);
+    } else {
+        card->setCoords(0, 0);
+        if (0 <= x && x < cards.length()) {
+            cards.insert(x, card);
+        } else {
+            cards.append(card);
+        }
+    }
+    card->setZone(this);
+}
+
+void Server_CardZone::clear()
+{
+    for (auto card : cards)
+        delete card;
+    cards.clear();
+    coordinateMap.clear();
+    freePilesMap.clear();
+    freeSpaceMap.clear();
+    playersWithWritePermission.clear();
+    cardsBeingLookedAt = 0;
+}
+
+void Server_CardZone::addWritePermission(int playerId)
+{
+    playersWithWritePermission.insert(playerId);
+}
+
+void Server_CardZone::getInfo(ServerInfo_Zone *info, Server_AbstractParticipant *recipient, bool omniscient)
+{
+    info->set_name(name.toStdString());
+    info->set_type(type);
+    info->set_with_coords(has_coords);
+    info->set_card_count(static_cast<int>(cards.size()));
+    info->set_always_reveal_top_card(alwaysRevealTopCard);
+    info->set_always_look_at_top_card(alwaysLookAtTopCard);
+
+    const bool selfPlayerAsking = recipient == player || omniscient;
+    const bool zonesSelfCanSee = type != ServerInfo_Zone::HiddenZone;
+    const bool otherPlayerAsking = recipient != player;
+    const bool zonesOthersCanSee = type == ServerInfo_Zone::PublicZone;
+    if ((selfPlayerAsking && zonesSelfCanSee) || (otherPlayerAsking && zonesOthersCanSee)) {
+        QListIterator<Server_Card *> cardIterator(cards);
+        while (cardIterator.hasNext())
+            cardIterator.next()->getInfo(info->add_card_list());
+    }
+}

common/server/game/server_cardzone.h

@@ -0,0 +1,125 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Max-Wilhelm Bruker   *
+ *   brukie@laptop   *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#ifndef SERVER_CARDZONE_H
+#define SERVER_CARDZONE_H
+
+#include "pb/serverinfo_zone.pb.h"
+
+#include <QList>
+#include <QMap>
+#include <QSet>
+#include <QString>
+
+class Server_Card;
+class Server_Player;
+class Server_AbstractParticipant;
+class Server_Game;
+class GameEventStorage;
+
+class Server_CardZone
+{
+private:
+    Server_Player *player;
+    QString name;
+    bool has_coords; // having coords means this zone has x and y coordinates
+    ServerInfo_Zone::ZoneType type;
+    int cardsBeingLookedAt;
+    QSet<int> playersWithWritePermission;
+    bool alwaysRevealTopCard;
+    bool alwaysLookAtTopCard;
+    QList<Server_Card *> cards;
+    QMap<int, QMap<int, Server_Card *>> coordinateMap; // y -> (x -> card)
+    QMap<int, QMultiMap<QString, int>> freePilesMap;   // y -> (cardName -> x)
+    QMap<int, int> freeSpaceMap;                       // y -> x
+    void removeCardFromCoordMap(Server_Card *card, int oldX, int oldY);
+    void insertCardIntoCoordMap(Server_Card *card, int x, int y);
+
+public:
+    Server_CardZone(Server_Player *_player, const QString &_name, bool _has_coords, ServerInfo_Zone::ZoneType _type);
+    ~Server_CardZone();
+
+    const QList<Server_Card *> &getCards() const
+    {
+        return cards;
+    }
+    int removeCard(Server_Card *card);
+    int removeCard(Server_Card *card, bool &wasLookedAt);
+    Server_Card *getCard(int id, int *position = nullptr, bool remove = false);
+
+    int getCardsBeingLookedAt() const
+    {
+        return cardsBeingLookedAt;
+    }
+    void setCardsBeingLookedAt(int _cardsBeingLookedAt)
+    {
+        cardsBeingLookedAt = qMax(0, _cardsBeingLookedAt);
+    }
+    bool isCardAtPosLookedAt(int pos) const;
+    bool hasCoords() const
+    {
+        return has_coords;
+    }
+    ServerInfo_Zone::ZoneType getType() const
+    {
+        return type;
+    }
+    QString getName() const
+    {
+        return name;
+    }
+    Server_Player *getPlayer() const
+    {
+        return player;
+    }
+    void getInfo(ServerInfo_Zone *info, Server_AbstractParticipant *recipient, bool omniscient);
+
+    int getFreeGridColumn(int x, int y, const QString &cardName, bool dontStackSameName) const;
+    bool isColumnEmpty(int x, int y) const;
+    bool isColumnStacked(int x, int y) const;
+    void fixFreeSpaces(GameEventStorage &ges);
+    void moveCardInRow(GameEventStorage &ges, Server_Card *card, int x, int y);
+    void insertCard(Server_Card *card, int x, int y);
+    void updateCardCoordinates(Server_Card *card, int oldX, int oldY);
+    void shuffle(int start = 0, int end = -1);
+    void clear();
+    void addWritePermission(int playerId);
+    const QSet<int> &getPlayersWithWritePermission() const
+    {
+        return playersWithWritePermission;
+    }
+    bool getAlwaysRevealTopCard() const
+    {
+        return alwaysRevealTopCard;
+    }
+    void setAlwaysRevealTopCard(bool _alwaysRevealTopCard)
+    {
+        alwaysRevealTopCard = _alwaysRevealTopCard;
+    }
+    bool getAlwaysLookAtTopCard() const
+    {
+        return alwaysLookAtTopCard;
+    }
+    void setAlwaysLookAtTopCard(bool _alwaysLookAtTopCard)
+    {
+        alwaysLookAtTopCard = _alwaysLookAtTopCard;
+    }
+};
+
+#endif

common/server/game/server_counter.cpp

@@ -0,0 +1,17 @@
+#include "server_counter.h"
+
+#include "pb/serverinfo_counter.pb.h"
+
+Server_Counter::Server_Counter(int _id, const QString &_name, const color &_counterColor, int _radius, int _count)
+    : id(_id), name(_name), counterColor(_counterColor), radius(_radius), count(_count)
+{
+}
+
+void Server_Counter::getInfo(ServerInfo_Counter *info)
+{
+    info->set_id(id);
+    info->set_name(name.toStdString());
+    info->mutable_counter_color()->CopyFrom(counterColor);
+    info->set_radius(radius);
+    info->set_count(count);
+}

common/server/game/server_counter.h

@@ -0,0 +1,71 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Max-Wilhelm Bruker   *
+ *   brukie@laptop   *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#ifndef SERVER_COUNTER_H
+#define SERVER_COUNTER_H
+
+#include "pb/color.pb.h"
+
+#include <QString>
+
+class ServerInfo_Counter;
+
+class Server_Counter
+{
+protected:
+    int id;
+    QString name;
+    color counterColor;
+    int radius;
+    int count;
+
+public:
+    Server_Counter(int _id, const QString &_name, const color &_counterColor, int _radius, int _count = 0);
+    ~Server_Counter()
+    {
+    }
+    int getId() const
+    {
+        return id;
+    }
+    QString getName() const
+    {
+        return name;
+    }
+    const color &getColor() const
+    {
+        return counterColor;
+    }
+    int getRadius() const
+    {
+        return radius;
+    }
+    int getCount() const
+    {
+        return count;
+    }
+    void setCount(int _count)
+    {
+        count = _count;
+    }
+
+    void getInfo(ServerInfo_Counter *info);
+};
+
+#endif

common/server/game/server_game.cpp

@@ -0,0 +1,825 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Max-Wilhelm Bruker   *
+ *   brukie@laptop   *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#include "server_game.h"
+
+#include "../../deck_list.h"
+#include "../server.h"
+#include "../server_database_interface.h"
+#include "../server_protocolhandler.h"
+#include "../server_room.h"
+#include "pb/context_connection_state_changed.pb.h"
+#include "pb/context_deck_select.pb.h"
+#include "pb/context_ping_changed.pb.h"
+#include "pb/event_delete_arrow.pb.h"
+#include "pb/event_game_closed.pb.h"
+#include "pb/event_game_host_changed.pb.h"
+#include "pb/event_game_joined.pb.h"
+#include "pb/event_game_state_changed.pb.h"
+#include "pb/event_join.pb.h"
+#include "pb/event_kicked.pb.h"
+#include "pb/event_leave.pb.h"
+#include "pb/event_player_properties_changed.pb.h"
+#include "pb/event_replay_added.pb.h"
+#include "pb/event_set_active_phase.pb.h"
+#include "pb/event_set_active_player.pb.h"
+#include "pb/game_replay.pb.h"
+#include "pb/serverinfo_playerping.pb.h"
+#include "server_arrow.h"
+#include "server_card.h"
+#include "server_cardzone.h"
+#include "server_player.h"
+#include "server_spectator.h"
+
+#include <QDebug>
+#include <QTimer>
+#include <google/protobuf/descriptor.h>
+
+Server_Game::Server_Game(const ServerInfo_User &_creatorInfo,
+                         int _gameId,
+                         const QString &_description,
+                         const QString &_password,
+                         int _maxPlayers,
+                         const QList<int> &_gameTypes,
+                         bool _onlyBuddies,
+                         bool _onlyRegistered,
+                         bool _spectatorsAllowed,
+                         bool _spectatorsNeedPassword,
+                         bool _spectatorsCanTalk,
+                         bool _spectatorsSeeEverything,
+                         int _startingLifeTotal,
+                         bool _shareDecklistsOnLoad,
+                         Server_Room *_room)
+    : QObject(), room(_room), nextPlayerId(0), hostId(0), creatorInfo(new ServerInfo_User(_creatorInfo)),
+      gameStarted(false), gameClosed(false), gameId(_gameId), password(_password), maxPlayers(_maxPlayers),
+      gameTypes(_gameTypes), activePlayer(-1), activePhase(-1), onlyBuddies(_onlyBuddies),
+      onlyRegistered(_onlyRegistered), spectatorsAllowed(_spectatorsAllowed),
+      spectatorsNeedPassword(_spectatorsNeedPassword), spectatorsCanTalk(_spectatorsCanTalk),
+      spectatorsSeeEverything(_spectatorsSeeEverything), startingLifeTotal(_startingLifeTotal),
+      shareDecklistsOnLoad(_shareDecklistsOnLoad), inactivityCounter(0), startTimeOfThisGame(0), secondsElapsed(0),
+      firstGameStarted(false), turnOrderReversed(false), startTime(QDateTime::currentDateTime()), pingClock(nullptr),
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+      gameMutex()
+#else
+      gameMutex(QMutex::Recursive)
+#endif
+{
+    currentReplay = new GameReplay;
+    currentReplay->set_replay_id(room->getServer()->getDatabaseInterface()->getNextReplayId());
+    description = _description.simplified();
+
+    connect(this, &Server_Game::sigStartGameIfReady, this, &Server_Game::doStartGameIfReady, Qt::QueuedConnection);
+
+    getInfo(*currentReplay->mutable_game_info());
+
+    if (room->getServer()->getGameShouldPing()) {
+        pingClock = new QTimer(this);
+        connect(pingClock, &QTimer::timeout, this, &Server_Game::pingClockTimeout);
+        pingClock->start(1000);
+    }
+}
+
+Server_Game::~Server_Game()
+{
+    room->gamesLock.lockForWrite();
+    gameMutex.lock();
+
+    gameClosed = true;
+    sendGameEventContainer(prepareGameEvent(Event_GameClosed(), -1));
+    for (auto *participant : participants.values()) {
+        participant->prepareDestroy();
+    }
+    participants.clear();
+
+    room->removeGame(this);
+    delete creatorInfo;
+    creatorInfo = 0;
+
+    gameMutex.unlock();
+    room->gamesLock.unlock();
+    currentReplay->set_duration_seconds(secondsElapsed - startTimeOfThisGame);
+    replayList.append(currentReplay);
+    storeGameInformation();
+
+    for (auto *replay : replayList) {
+        delete replay;
+    }
+    replayList.clear();
+
+    room = nullptr;
+    currentReplay = nullptr;
+    creatorInfo = nullptr;
+
+    if (pingClock) {
+        delete pingClock;
+        pingClock = nullptr;
+    }
+
+    qDebug() << "Server_Game destructor: gameId=" << gameId;
+    deleteLater();
+}
+
+void Server_Game::storeGameInformation()
+{
+    const ServerInfo_Game &gameInfo = replayList.first()->game_info();
+
+    Event_ReplayAdded replayEvent;
+    ServerInfo_ReplayMatch *replayMatchInfo = replayEvent.mutable_match_info();
+    replayMatchInfo->set_game_id(gameInfo.game_id());
+    replayMatchInfo->set_room_name(room->getName().toStdString());
+    replayMatchInfo->set_time_started(QDateTime::currentDateTime().addSecs(-secondsElapsed).toSecsSinceEpoch());
+    replayMatchInfo->set_length(secondsElapsed);
+    replayMatchInfo->set_game_name(gameInfo.description());
+
+    const QStringList &allGameTypes = room->getGameTypes();
+    QStringList _gameTypes;
+    for (int i = gameInfo.game_types_size() - 1; i >= 0; --i)
+        _gameTypes.append(allGameTypes[gameInfo.game_types(i)]);
+
+    for (const auto &playerName : allPlayersEver) {
+        replayMatchInfo->add_player_names(playerName.toStdString());
+    }
+
+    for (int i = 0; i < replayList.size(); ++i) {
+        ServerInfo_Replay *replayInfo = replayMatchInfo->add_replay_list();
+        replayInfo->set_replay_id(replayList[i]->replay_id());
+        replayInfo->set_replay_name(gameInfo.description());
+        replayInfo->set_duration(replayList[i]->duration_seconds());
+    }
+
+    SessionEvent *sessionEvent = Server_ProtocolHandler::prepareSessionEvent(replayEvent);
+    Server *server = room->getServer();
+    server->clientsLock.lockForRead();
+    for (auto userName : allPlayersEver + allSpectatorsEver) {
+        Server_AbstractUserInterface *userHandler = server->findUser(userName);
+        if (userHandler && server->getStoreReplaysEnabled())
+            userHandler->sendProtocolItem(*sessionEvent);
+    }
+    server->clientsLock.unlock();
+    delete sessionEvent;
+
+    if (server->getStoreReplaysEnabled()) {
+        server->getDatabaseInterface()->storeGameInformation(room->getName(), _gameTypes, gameInfo, allPlayersEver,
+                                                             allSpectatorsEver, replayList);
+    }
+}
+
+void Server_Game::pingClockTimeout()
+{
+    QMutexLocker locker(&gameMutex);
+    ++secondsElapsed;
+
+    GameEventStorage ges;
+    ges.setGameEventContext(Context_PingChanged());
+
+    bool allPlayersInactive = true;
+    int playerCount = 0;
+    for (auto *participant : participants) {
+        if (participant == nullptr)
+            continue;
+
+        if (!participant->getSpectator()) {
+            ++playerCount;
+        }
+
+        if (participant->updatePingTime()) {
+            Event_PlayerPropertiesChanged event;
+            event.mutable_player_properties()->set_ping_seconds(participant->getPingTime());
+            ges.enqueueGameEvent(event, participant->getPlayerId());
+        }
+
+        if ((participant->getPingTime() != -1) &&
+            (!participant->getSpectator() || participant->getPlayerId() == hostId)) {
+            allPlayersInactive = false;
+        }
+    }
+    ges.sendToGame(this);
+
+    const int maxTime = room->getServer()->getMaxGameInactivityTime();
+    if (allPlayersInactive) {
+        if (((maxTime > 0) && (++inactivityCounter >= maxTime)) || (playerCount < maxPlayers)) {
+            deleteLater();
+        }
+    } else {
+        inactivityCounter = 0;
+    }
+}
+
+QMap<int, Server_Player *> Server_Game::getPlayers() const // copies pointers to new map
+{
+    QMap<int, Server_Player *> players;
+    QMutexLocker locker(&gameMutex);
+    for (int id : participants.keys()) {
+        auto *participant = participants[id];
+        if (!participant->getSpectator()) {
+            players[id] = static_cast<Server_Player *>(participant);
+        }
+    }
+    return players;
+}
+
+Server_Player *Server_Game::getPlayer(int id) const
+{
+    auto *participant = participants.value(id);
+    if (!participant->getSpectator()) {
+        return static_cast<Server_Player *>(participant);
+    } else {
+        return nullptr;
+    }
+}
+
+int Server_Game::getPlayerCount() const
+{
+    return participants.size() - getSpectatorCount();
+}
+
+int Server_Game::getSpectatorCount() const
+{
+    QMutexLocker locker(&gameMutex);
+
+    int result = 0;
+    for (Server_AbstractParticipant *participant : participants.values()) {
+        if (participant->getSpectator())
+            ++result;
+    }
+    return result;
+}
+
+void Server_Game::createGameStateChangedEvent(Event_GameStateChanged *event,
+                                              Server_AbstractParticipant *recipient,
+                                              bool omniscient,
+                                              bool withUserInfo)
+{
+    event->set_seconds_elapsed(secondsElapsed);
+    if (gameStarted) {
+        event->set_game_started(true);
+        event->set_active_player_id(0);
+        event->set_active_phase(0);
+    } else
+        event->set_game_started(false);
+
+    for (Server_AbstractParticipant *participant : participants.values()) {
+        participant->getInfo(event->add_player_list(), recipient, omniscient, withUserInfo);
+    }
+}
+
+void Server_Game::sendGameStateToPlayers()
+{
+    // game state information for replay and omniscient spectators
+    Event_GameStateChanged omniscientEvent;
+    createGameStateChangedEvent(&omniscientEvent, nullptr, true, false);
+
+    GameEventContainer *replayCont = prepareGameEvent(omniscientEvent, -1);
+    replayCont->set_seconds_elapsed(secondsElapsed - startTimeOfThisGame);
+    replayCont->clear_game_id();
+    currentReplay->add_event_list()->CopyFrom(*replayCont);
+    delete replayCont;
+
+    // If spectators are not omniscient, we need an additional createGameStateChangedEvent call, otherwise we can use
+    // the data we used for the replay. All spectators are equal, so we don't need to make a createGameStateChangedEvent
+    // call for each one.
+    Event_GameStateChanged spectatorNormalEvent;
+    createGameStateChangedEvent(&spectatorNormalEvent, nullptr, false, false);
+
+    // send game state info to clients according to their role in the game
+    for (auto *participant : participants.values()) {
+        GameEventContainer *gec;
+        if (participant->getSpectator()) {
+            if (spectatorsSeeEverything || participant->getJudge()) {
+                gec = prepareGameEvent(omniscientEvent, -1);
+            } else {
+                gec = prepareGameEvent(spectatorNormalEvent, -1);
+            }
+        } else {
+            Event_GameStateChanged event;
+            createGameStateChangedEvent(&event, participant, false, false);
+
+            gec = prepareGameEvent(event, -1);
+        }
+        participant->sendGameEvent(*gec);
+        delete gec;
+    }
+}
+
+void Server_Game::doStartGameIfReady(bool forceStartGame)
+{
+    Server_DatabaseInterface *databaseInterface = room->getServer()->getDatabaseInterface();
+    QMutexLocker locker(&gameMutex);
+
+    if (getPlayerCount() < maxPlayers && !forceStartGame) {
+        return;
+    }
+
+    auto players = getPlayers();
+    for (auto *player : players.values()) {
+        if (!player->getReadyStart()) {
+            if (forceStartGame) {
+                // Player is not ready to start, so kick them
+                // TODO: Move them to Spectators instead
+                kickParticipant(player->getPlayerId());
+            } else {
+                return;
+            }
+        }
+    }
+
+    for (Server_Player *player : players.values()) {
+        player->setupZones();
+    }
+
+    gameStarted = true;
+    for (auto *player : players.values()) {
+        player->setConceded(false);
+        player->setReadyStart(false);
+    }
+
+    if (firstGameStarted) {
+        currentReplay->set_duration_seconds(secondsElapsed - startTimeOfThisGame);
+        replayList.append(currentReplay);
+        currentReplay = new GameReplay;
+        currentReplay->set_replay_id(databaseInterface->getNextReplayId());
+        ServerInfo_Game *gameInfo = currentReplay->mutable_game_info();
+        getInfo(*gameInfo);
+        gameInfo->set_started(false);
+
+        Event_GameStateChanged omniscientEvent;
+        createGameStateChangedEvent(&omniscientEvent, nullptr, true, true);
+
+        GameEventContainer *replayCont = prepareGameEvent(omniscientEvent, -1);
+        replayCont->set_seconds_elapsed(0);
+        replayCont->clear_game_id();
+        currentReplay->add_event_list()->CopyFrom(*replayCont);
+        delete replayCont;
+
+        startTimeOfThisGame = secondsElapsed;
+    } else
+        firstGameStarted = true;
+
+    sendGameStateToPlayers();
+
+    activePlayer = -1;
+    nextTurn();
+
+    locker.unlock();
+
+    ServerInfo_Game gameInfo;
+    gameInfo.set_room_id(room->getId());
+    gameInfo.set_game_id(gameId);
+    gameInfo.set_started(true);
+    emit gameInfoChanged(gameInfo);
+}
+
+void Server_Game::startGameIfReady(bool forceStartGame)
+{
+    emit sigStartGameIfReady(forceStartGame);
+}
+
+void Server_Game::stopGameIfFinished()
+{
+    QMutexLocker locker(&gameMutex);
+
+    int playing = 0;
+    auto players = getPlayers();
+    for (auto *player : players.values()) {
+        if (!player->getConceded())
+            ++playing;
+    }
+    if (playing > 1)
+        return;
+
+    gameStarted = false;
+
+    for (auto *player : players.values()) {
+        player->clearZones();
+        player->setConceded(false);
+    }
+
+    sendGameStateToPlayers();
+
+    locker.unlock();
+
+    ServerInfo_Game gameInfo;
+    gameInfo.set_room_id(room->getId());
+    gameInfo.set_game_id(gameId);
+    gameInfo.set_started(false);
+    emit gameInfoChanged(gameInfo);
+}
+
+Response::ResponseCode Server_Game::checkJoin(ServerInfo_User *user,
+                                              const QString &_password,
+                                              bool spectator,
+                                              bool overrideRestrictions,
+                                              bool asJudge)
+{
+    Server_DatabaseInterface *databaseInterface = room->getServer()->getDatabaseInterface();
+    for (auto *participant : participants.values()) {
+        if (participant->getUserInfo()->name() == user->name())
+            return Response::RespContextError;
+    }
+
+    if (asJudge && !(user->user_level() & ServerInfo_User::IsJudge)) {
+        return Response::RespUserLevelTooLow;
+    }
+    if (!(overrideRestrictions && (user->user_level() & ServerInfo_User::IsModerator))) {
+        if ((_password != password) && !(spectator && !spectatorsNeedPassword))
+            return Response::RespWrongPassword;
+        if (!(user->user_level() & ServerInfo_User::IsRegistered) && onlyRegistered)
+            return Response::RespUserLevelTooLow;
+        if (onlyBuddies && (user->name() != creatorInfo->name()))
+            if (!databaseInterface->isInBuddyList(QString::fromStdString(creatorInfo->name()),
+                                                  QString::fromStdString(user->name())))
+                return Response::RespOnlyBuddies;
+        if (databaseInterface->isInIgnoreList(QString::fromStdString(creatorInfo->name()),
+                                              QString::fromStdString(user->name())))
+            return Response::RespInIgnoreList;
+        if (spectator) {
+            if (!spectatorsAllowed)
+                return Response::RespSpectatorsNotAllowed;
+        }
+    }
+    if (!spectator && (gameStarted || (getPlayerCount() >= getMaxPlayers())))
+        return Response::RespGameFull;
+
+    return Response::RespOk;
+}
+
+bool Server_Game::containsUser(const QString &userName) const
+{
+    QMutexLocker locker(&gameMutex);
+
+    for (auto *participant : participants.values()) {
+        if (participant->getUserInfo()->name() == userName.toStdString())
+            return true;
+    }
+    return false;
+}
+
+void Server_Game::addPlayer(Server_AbstractUserInterface *userInterface,
+                            ResponseContainer &rc,
+                            bool spectator,
+                            bool judge,
+                            bool broadcastUpdate)
+{
+    QMutexLocker locker(&gameMutex);
+
+    Server_AbstractParticipant *newParticipant;
+    if (spectator) {
+        newParticipant = new Server_Spectator(this, nextPlayerId++, userInterface->copyUserInfo(true, true, true),
+                                              judge, userInterface);
+    } else {
+        newParticipant = new Server_Player(this, nextPlayerId++, userInterface->copyUserInfo(true, true, true), judge,
+                                           userInterface);
+    }
+
+    newParticipant->moveToThread(thread());
+
+    Event_Join joinEvent;
+    newParticipant->getProperties(*joinEvent.mutable_player_properties(), true);
+    sendGameEventContainer(prepareGameEvent(joinEvent, -1));
+
+    const QString playerName = QString::fromStdString(newParticipant->getUserInfo()->name());
+    participants.insert(newParticipant->getPlayerId(), newParticipant);
+    if (spectator) {
+        allSpectatorsEver.insert(playerName);
+    } else {
+        allPlayersEver.insert(playerName);
+
+        // if the original creator of the game joins, give them host status back
+        // FIXME: transferring host to spectators has side effects
+        if (newParticipant->getUserInfo()->name() == creatorInfo->name()) {
+            hostId = newParticipant->getPlayerId();
+            sendGameEventContainer(prepareGameEvent(Event_GameHostChanged(), hostId));
+        }
+    }
+
+    if (broadcastUpdate) {
+        ServerInfo_Game gameInfo;
+        gameInfo.set_room_id(room->getId());
+        gameInfo.set_game_id(gameId);
+        gameInfo.set_player_count(getPlayerCount());
+        gameInfo.set_spectators_count(getSpectatorCount());
+        emit gameInfoChanged(gameInfo);
+    }
+
+    if ((newParticipant->getUserInfo()->user_level() & ServerInfo_User::IsRegistered) && !spectator)
+        room->getServer()->addPersistentPlayer(playerName, room->getId(), gameId, newParticipant->getPlayerId());
+
+    userInterface->playerAddedToGame(gameId, room->getId(), newParticipant->getPlayerId());
+
+    createGameJoinedEvent(newParticipant, rc, false);
+}
+
+void Server_Game::removeParticipant(Server_AbstractParticipant *participant, Event_Leave::LeaveReason reason)
+{
+    room->getServer()->removePersistentPlayer(QString::fromStdString(participant->getUserInfo()->name()), room->getId(),
+                                              gameId, participant->getPlayerId());
+    participants.remove(participant->getPlayerId());
+
+    bool spectator = participant->getSpectator();
+    GameEventStorage ges;
+    if (!spectator) {
+        auto *player = static_cast<Server_Player *>(participant);
+        removeArrowsRelatedToPlayer(ges, player);
+        unattachCards(ges, player);
+    }
+
+    Event_Leave event;
+    event.set_reason(reason);
+    ges.enqueueGameEvent(event, participant->getPlayerId());
+    ges.sendToGame(this);
+
+    bool playerActive = activePlayer == participant->getPlayerId();
+    bool playerHost = hostId == participant->getPlayerId();
+    participant->prepareDestroy();
+
+    if (playerHost) {
+        int newHostId = -1;
+        for (auto *otherPlayer : getPlayers().values()) {
+            newHostId = otherPlayer->getPlayerId();
+            break;
+        }
+        if (newHostId != -1) {
+            hostId = newHostId;
+            sendGameEventContainer(prepareGameEvent(Event_GameHostChanged(), hostId));
+        } else {
+            gameClosed = true;
+            deleteLater();
+            return;
+        }
+    }
+    if (!spectator) {
+        stopGameIfFinished();
+        if (gameStarted && playerActive)
+            nextTurn();
+    }
+
+    ServerInfo_Game gameInfo;
+    gameInfo.set_room_id(room->getId());
+    gameInfo.set_game_id(gameId);
+    gameInfo.set_player_count(getPlayerCount());
+    gameInfo.set_spectators_count(getSpectatorCount());
+    emit gameInfoChanged(gameInfo);
+}
+
+void Server_Game::removeArrowsRelatedToPlayer(GameEventStorage &ges, Server_Player *player)
+{
+    QMutexLocker locker(&gameMutex);
+
+    // Remove all arrows of other players pointing to the player being removed or to one of his cards.
+    // Also remove all arrows starting at one of his cards. This is necessary since players can create
+    // arrows that start at another person's cards.
+    for (Server_Player *anyPlayer : getPlayers().values()) {
+        QList<Server_Arrow *> arrows = anyPlayer->getArrows().values();
+        QList<Server_Arrow *> toDelete;
+        for (int i = 0; i < arrows.size(); ++i) {
+            Server_Arrow *arrow = arrows[i];
+            Server_Card *targetCard = qobject_cast<Server_Card *>(arrow->getTargetItem());
+            if (targetCard) {
+                if (targetCard->getZone() != nullptr && targetCard->getZone()->getPlayer() == player)
+                    toDelete.append(arrow);
+            } else if (static_cast<Server_Player *>(arrow->getTargetItem()) == player)
+                toDelete.append(arrow);
+
+            // Don't use else here! It has to happen regardless of whether targetCard == 0.
+            if (arrow->getStartCard()->getZone() != nullptr && arrow->getStartCard()->getZone()->getPlayer() == player)
+                toDelete.append(arrow);
+        }
+        for (int i = 0; i < toDelete.size(); ++i) {
+            Event_DeleteArrow event;
+            event.set_arrow_id(toDelete[i]->getId());
+            ges.enqueueGameEvent(event, player->getPlayerId());
+
+            player->deleteArrow(toDelete[i]->getId());
+        }
+    }
+}
+
+void Server_Game::unattachCards(GameEventStorage &ges, Server_Player *player)
+{
+    QMutexLocker locker(&gameMutex);
+
+    for (auto zone : player->getZones()) {
+        for (auto card : zone->getCards()) {
+            // Make a copy of the list because the original one gets modified during the loop
+            QList<Server_Card *> attachedCards = card->getAttachedCards();
+            for (Server_Card *attachedCard : attachedCards) {
+                auto otherPlayer = attachedCard->getZone()->getPlayer();
+                // do not modify the current player's zone!
+                // this would cause the current card iterator to be invalidated!
+                // we only have to return cards owned by other players
+                // because the current player is leaving the game anyway
+                if (otherPlayer != player) {
+                    otherPlayer->unattachCard(ges, attachedCard);
+                }
+            }
+        }
+    }
+}
+
+bool Server_Game::kickParticipant(int playerId)
+{
+    QMutexLocker locker(&gameMutex);
+
+    auto *participant = participants.value(playerId);
+    if (!participant)
+        return false;
+
+    GameEventContainer *gec = prepareGameEvent(Event_Kicked(), -1);
+    participant->sendGameEvent(*gec);
+    delete gec;
+
+    removeParticipant(participant, Event_Leave::USER_KICKED);
+
+    return true;
+}
+
+void Server_Game::setActivePlayer(int _activePlayer)
+{
+    QMutexLocker locker(&gameMutex);
+
+    activePlayer = _activePlayer;
+
+    Event_SetActivePlayer event;
+    event.set_active_player_id(activePlayer);
+    sendGameEventContainer(prepareGameEvent(event, -1));
+
+    setActivePhase(0);
+}
+
+void Server_Game::setActivePhase(int _activePhase)
+{
+    QMutexLocker locker(&gameMutex);
+
+    for (auto *player : getPlayers().values()) {
+        QList<Server_Arrow *> toDelete = player->getArrows().values();
+        for (int i = 0; i < toDelete.size(); ++i) {
+            Server_Arrow *a = toDelete[i];
+
+            Event_DeleteArrow event;
+            event.set_arrow_id(a->getId());
+            sendGameEventContainer(prepareGameEvent(event, player->getPlayerId()));
+
+            player->deleteArrow(a->getId());
+        }
+    }
+
+    activePhase = _activePhase;
+
+    Event_SetActivePhase event;
+    event.set_phase(activePhase);
+    sendGameEventContainer(prepareGameEvent(event, -1));
+}
+
+void Server_Game::nextTurn()
+{
+    QMutexLocker locker(&gameMutex);
+
+    if (participants.isEmpty()) {
+        qWarning() << "Server_Game::nextTurn was called while players is empty; gameId = " << gameId;
+        return;
+    }
+
+    auto players = getPlayers();
+    const QList<int> keys = players.keys();
+    int listPos = -1;
+    if (activePlayer != -1) {
+        listPos = keys.indexOf(activePlayer);
+    }
+    do {
+        if (turnOrderReversed) {
+            --listPos;
+            if (listPos < 0) {
+                listPos = keys.size() - 1;
+            }
+        } else {
+            ++listPos;
+            if (listPos == keys.size()) {
+                listPos = 0;
+            }
+        }
+    } while (players.value(keys[listPos])->getConceded());
+
+    setActivePlayer(keys[listPos]);
+}
+
+void Server_Game::createGameJoinedEvent(Server_AbstractParticipant *joiningParticipant,
+                                        ResponseContainer &rc,
+                                        bool resuming)
+{
+    Event_GameJoined event1;
+    getInfo(*event1.mutable_game_info());
+    event1.set_host_id(hostId);
+    event1.set_player_id(joiningParticipant->getPlayerId());
+    event1.set_spectator(joiningParticipant->getSpectator());
+    event1.set_judge(joiningParticipant->getJudge());
+    event1.set_resuming(resuming);
+    if (resuming) {
+        const QStringList &allGameTypes = room->getGameTypes();
+        for (int i = 0; i < allGameTypes.size(); ++i) {
+            ServerInfo_GameType *newGameType = event1.add_game_types();
+            newGameType->set_game_type_id(i);
+            newGameType->set_description(allGameTypes[i].toStdString());
+        }
+    }
+    rc.enqueuePostResponseItem(ServerMessage::SESSION_EVENT, Server_AbstractUserInterface::prepareSessionEvent(event1));
+
+    Event_GameStateChanged event2;
+    event2.set_seconds_elapsed(secondsElapsed);
+    event2.set_game_started(gameStarted);
+    event2.set_active_player_id(activePlayer);
+    event2.set_active_phase(activePhase);
+
+    bool omniscient = joiningParticipant->getSpectator() && (spectatorsSeeEverything || joiningParticipant->getJudge());
+    for (auto *participant : participants.values()) {
+        participant->getInfo(event2.add_player_list(), joiningParticipant, omniscient, true);
+    }
+
+    rc.enqueuePostResponseItem(ServerMessage::GAME_EVENT_CONTAINER, prepareGameEvent(event2, -1));
+}
+
+void Server_Game::sendGameEventContainer(GameEventContainer *cont,
+                                         GameEventStorageItem::EventRecipients recipients,
+                                         int privatePlayerId)
+{
+    QMutexLocker locker(&gameMutex);
+
+    cont->set_game_id(gameId);
+    for (auto *participant : participants.values()) {
+        const bool playerPrivate =
+            (participant->getPlayerId() == privatePlayerId) ||
+            (participant->getSpectator() && (spectatorsSeeEverything || participant->getJudge()));
+        if ((recipients.testFlag(GameEventStorageItem::SendToPrivate) && playerPrivate) ||
+            (recipients.testFlag(GameEventStorageItem::SendToOthers) && !playerPrivate))
+            participant->sendGameEvent(*cont);
+    }
+    if (recipients.testFlag(GameEventStorageItem::SendToPrivate)) {
+        cont->set_seconds_elapsed(secondsElapsed - startTimeOfThisGame);
+        cont->clear_game_id();
+        currentReplay->add_event_list()->CopyFrom(*cont);
+    }
+
+    delete cont;
+}
+
+GameEventContainer *
+Server_Game::prepareGameEvent(const ::google::protobuf::Message &gameEvent, int playerId, GameEventContext *context)
+{
+    GameEventContainer *cont = new GameEventContainer;
+    cont->set_game_id(gameId);
+    if (context)
+        cont->mutable_context()->CopyFrom(*context);
+    GameEvent *event = cont->add_event_list();
+    if (playerId != -1)
+        event->set_player_id(playerId);
+    event->GetReflection()
+        ->MutableMessage(event, gameEvent.GetDescriptor()->FindExtensionByName("ext"))
+        ->CopyFrom(gameEvent);
+    return cont;
+}
+
+void Server_Game::getInfo(ServerInfo_Game &result) const
+{
+    QMutexLocker locker(&gameMutex);
+
+    result.set_room_id(room->getId());
+    result.set_game_id(gameId);
+    if (gameClosed) {
+        result.set_closed(true);
+    } else {
+        for (auto type : gameTypes) {
+            result.add_game_types(type);
+        }
+
+        result.set_max_players(getMaxPlayers());
+        result.set_description(getDescription().toStdString());
+        result.set_with_password(!getPassword().isEmpty());
+        result.set_player_count(getPlayerCount());
+        result.set_started(gameStarted);
+        result.mutable_creator_info()->CopyFrom(*getCreatorInfo());
+        result.set_only_buddies(onlyBuddies);
+        result.set_only_registered(onlyRegistered);
+        result.set_spectators_allowed(getSpectatorsAllowed());
+        result.set_spectators_need_password(getSpectatorsNeedPassword());
+        result.set_spectators_can_chat(spectatorsCanTalk);
+        result.set_spectators_omniscient(spectatorsSeeEverything);
+        result.set_share_decklists_on_load(shareDecklistsOnLoad);
+        result.set_spectators_count(getSpectatorCount());
+        result.set_start_time(startTime.toSecsSinceEpoch());
+    }
+}

common/server/game/server_game.h

@@ -0,0 +1,226 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Max-Wilhelm Bruker   *
+ *   brukie@laptop   *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#ifndef SERVERGAME_H
+#define SERVERGAME_H
+
+#include "../server_response_containers.h"
+#include "pb/event_leave.pb.h"
+#include "pb/response.pb.h"
+#include "pb/serverinfo_game.pb.h"
+
+#include <QDateTime>
+#include <QMap>
+#include <QMutex>
+#include <QObject>
+#include <QSet>
+#include <QStringList>
+
+class QTimer;
+class GameEventContainer;
+class GameReplay;
+class Server_Room;
+class Server_Player;
+class Server_AbstractParticipant;
+class ServerInfo_User;
+class ServerInfo_Game;
+class Server_AbstractUserInterface;
+class Event_GameStateChanged;
+
+class Server_Game : public QObject
+{
+    Q_OBJECT
+private:
+    Server_Room *room;
+    int nextPlayerId;
+    int hostId;
+    ServerInfo_User *creatorInfo;
+    QMap<int, Server_AbstractParticipant *> participants;
+    QSet<QString> allPlayersEver, allSpectatorsEver;
+    bool gameStarted;
+    bool gameClosed;
+    int gameId;
+    QString description;
+    QString password;
+    int maxPlayers;
+    QList<int> gameTypes;
+    int activePlayer, activePhase;
+    bool onlyBuddies, onlyRegistered;
+    bool spectatorsAllowed;
+    bool spectatorsNeedPassword;
+    bool spectatorsCanTalk;
+    bool spectatorsSeeEverything;
+    int startingLifeTotal;
+    bool shareDecklistsOnLoad;
+    int inactivityCounter;
+    int startTimeOfThisGame, secondsElapsed;
+    bool firstGameStarted;
+    bool turnOrderReversed;
+    QDateTime startTime;
+    QTimer *pingClock;
+    QList<GameReplay *> replayList;
+    GameReplay *currentReplay;
+
+    void createGameStateChangedEvent(Event_GameStateChanged *event,
+                                     Server_AbstractParticipant *recipient,
+                                     bool omniscient,
+                                     bool withUserInfo);
+    void storeGameInformation();
+signals:
+    void sigStartGameIfReady(bool override);
+    void gameInfoChanged(ServerInfo_Game gameInfo);
+private slots:
+    void pingClockTimeout();
+    void doStartGameIfReady(bool forceStartGame = false);
+
+public:
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+    mutable QRecursiveMutex gameMutex;
+#else
+    mutable QMutex gameMutex;
+#endif
+    Server_Game(const ServerInfo_User &_creatorInfo,
+                int _gameId,
+                const QString &_description,
+                const QString &_password,
+                int _maxPlayers,
+                const QList<int> &_gameTypes,
+                bool _onlyBuddies,
+                bool _onlyRegistered,
+                bool _spectatorsAllowed,
+                bool _spectatorsNeedPassword,
+                bool _spectatorsCanTalk,
+                bool _spectatorsSeeEverything,
+                int _startingLifeTotal,
+                bool _shareDecklistsOnLoad,
+                Server_Room *parent);
+    ~Server_Game() override;
+    Server_Room *getRoom() const
+    {
+        return room;
+    }
+    void getInfo(ServerInfo_Game &result) const;
+    int getHostId() const
+    {
+        return hostId;
+    }
+    ServerInfo_User *getCreatorInfo() const
+    {
+        return creatorInfo;
+    }
+    bool getGameStarted() const
+    {
+        return gameStarted;
+    }
+    int getPlayerCount() const;
+    int getSpectatorCount() const;
+    QMap<int, Server_Player *> getPlayers() const;
+    Server_Player *getPlayer(int id) const;
+    const QMap<int, Server_AbstractParticipant *> &getParticipants() const
+    {
+        return participants;
+    }
+    int getGameId() const
+    {
+        return gameId;
+    }
+    QString getDescription() const
+    {
+        return description;
+    }
+    QString getPassword() const
+    {
+        return password;
+    }
+    int getMaxPlayers() const
+    {
+        return maxPlayers;
+    }
+    bool getSpectatorsAllowed() const
+    {
+        return spectatorsAllowed;
+    }
+    bool getSpectatorsNeedPassword() const
+    {
+        return spectatorsNeedPassword;
+    }
+    bool getSpectatorsCanTalk() const
+    {
+        return spectatorsCanTalk;
+    }
+    bool getSpectatorsSeeEverything() const
+    {
+        return spectatorsSeeEverything;
+    }
+    int getStartingLifeTotal() const
+    {
+        return startingLifeTotal;
+    }
+    bool getShareDecklistsOnLoad() const
+    {
+        return shareDecklistsOnLoad;
+    }
+    Response::ResponseCode
+    checkJoin(ServerInfo_User *user, const QString &_password, bool spectator, bool overrideRestrictions, bool asJudge);
+    bool containsUser(const QString &userName) const;
+    void addPlayer(Server_AbstractUserInterface *userInterface,
+                   ResponseContainer &rc,
+                   bool spectator,
+                   bool judge,
+                   bool broadcastUpdate = true);
+    void removeParticipant(Server_AbstractParticipant *participant, Event_Leave::LeaveReason reason);
+    void removeArrowsRelatedToPlayer(GameEventStorage &ges, Server_Player *player);
+    void unattachCards(GameEventStorage &ges, Server_Player *player);
+    bool kickParticipant(int playerId);
+    void startGameIfReady(bool forceStartGame);
+    void stopGameIfFinished();
+    int getActivePlayer() const
+    {
+        return activePlayer;
+    }
+    int getActivePhase() const
+    {
+        return activePhase;
+    }
+    void setActivePlayer(int _activePlayer);
+    void setActivePhase(int _activePhase);
+    void nextTurn();
+    int getSecondsElapsed() const
+    {
+        return secondsElapsed;
+    }
+    bool reverseTurnOrder()
+    {
+        return turnOrderReversed = !turnOrderReversed;
+    }
+
+    void createGameJoinedEvent(Server_AbstractParticipant *participant, ResponseContainer &rc, bool resuming);
+
+    GameEventContainer *
+    prepareGameEvent(const ::google::protobuf::Message &gameEvent, int playerId, GameEventContext *context = 0);
+    GameEventContext prepareGameEventContext(const ::google::protobuf::Message &gameEventContext);
+
+    void sendGameStateToPlayers();
+    void sendGameEventContainer(GameEventContainer *cont,
+                                GameEventStorageItem::EventRecipients recipients = GameEventStorageItem::SendToPrivate |
+                                                                                   GameEventStorageItem::SendToOthers,
+                                int privatePlayerId = -1);
+};
+
+#endif

common/server/game/server_player.h

@@ -0,0 +1,178 @@
+#ifndef PLAYER_H
+#define PLAYER_H
+
+#include "../../serverinfo_user_container.h"
+#include "server_abstract_participant.h"
+
+#include <QList>
+#include <QMap>
+#include <QString>
+
+class DeckList;
+class Server_CardZone;
+class Server_Counter;
+class Server_Arrow;
+class Server_Card;
+class CardToMove;
+
+class Server_Player : public Server_AbstractParticipant
+{
+    Q_OBJECT
+private:
+    class MoveCardCompareFunctor;
+    DeckList *deck;
+    QMap<QString, Server_CardZone *> zones;
+    QMap<int, Server_Counter *> counters;
+    QMap<int, Server_Arrow *> arrows;
+    QList<int> lastDrawList;
+    int nextCardId;
+    bool readyStart;
+    bool conceded;
+    bool sideboardLocked;
+    void revealTopCardIfNeeded(Server_CardZone *zone, GameEventStorage &ges);
+    void sendCreateTokenEvents(Server_CardZone *zone, Server_Card *card, int xCoord, int yCoord, GameEventStorage &ges);
+    void getPlayerProperties(ServerInfo_PlayerProperties &result) override;
+
+public:
+    Server_Player(Server_Game *_game,
+                  int _playerId,
+                  const ServerInfo_User &_userInfo,
+                  bool _judge,
+                  Server_AbstractUserInterface *_handler);
+    ~Server_Player() override;
+    void prepareDestroy() override;
+    const DeckList *getDeckList() const
+    {
+        return deck;
+    }
+    bool getReadyStart() const
+    {
+        return readyStart;
+    }
+    void setReadyStart(bool _readyStart)
+    {
+        readyStart = _readyStart;
+    }
+    bool getConceded() const
+    {
+        return conceded;
+    }
+    void setConceded(bool _conceded)
+    {
+        conceded = _conceded;
+    }
+
+    const QMap<QString, Server_CardZone *> &getZones() const
+    {
+        return zones;
+    }
+    const QMap<int, Server_Counter *> &getCounters() const
+    {
+        return counters;
+    }
+    const QMap<int, Server_Arrow *> &getArrows() const
+    {
+        return arrows;
+    }
+
+    int newCardId();
+    int newCounterId() const;
+    int newArrowId() const;
+
+    void addZone(Server_CardZone *zone);
+    void addArrow(Server_Arrow *arrow);
+    void updateArrowId(int id);
+    bool deleteArrow(int arrowId);
+    void addCounter(Server_Counter *counter);
+
+    void clearZones();
+    void setupZones();
+
+    Response::ResponseCode drawCards(GameEventStorage &ges, int number);
+    Response::ResponseCode moveCard(GameEventStorage &ges,
+                                    Server_CardZone *startzone,
+                                    const QList<const CardToMove *> &_cards,
+                                    Server_CardZone *targetzone,
+                                    int xCoord,
+                                    int yCoord,
+                                    bool fixFreeSpaces = true,
+                                    bool undoingDraw = false,
+                                    bool isReversed = false);
+    void unattachCard(GameEventStorage &ges, Server_Card *card);
+    Response::ResponseCode setCardAttrHelper(GameEventStorage &ges,
+                                             int targetPlayerId,
+                                             const QString &zone,
+                                             int cardId,
+                                             CardAttribute attribute,
+                                             const QString &attrValue,
+                                             Server_Card *unzonedCard = nullptr);
+
+    Response::ResponseCode
+    cmdConcede(const Command_Concede &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdUnconcede(const Command_Unconcede &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdReadyStart(const Command_ReadyStart &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdDeckSelect(const Command_DeckSelect &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdSetSideboardPlan(const Command_SetSideboardPlan &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdSetSideboardLock(const Command_SetSideboardLock &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdShuffle(const Command_Shuffle &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdMulligan(const Command_Mulligan &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdRollDie(const Command_RollDie &cmd, ResponseContainer &rc, GameEventStorage &ges) const override;
+    Response::ResponseCode
+    cmdDrawCards(const Command_DrawCards &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdUndoDraw(const Command_UndoDraw &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdMoveCard(const Command_MoveCard &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdFlipCard(const Command_FlipCard &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdAttachCard(const Command_AttachCard &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdCreateToken(const Command_CreateToken &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdCreateArrow(const Command_CreateArrow &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdDeleteArrow(const Command_DeleteArrow &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdSetCardAttr(const Command_SetCardAttr &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdSetCardCounter(const Command_SetCardCounter &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdIncCardCounter(const Command_IncCardCounter &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdIncCounter(const Command_IncCounter &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdCreateCounter(const Command_CreateCounter &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdSetCounter(const Command_SetCounter &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdDelCounter(const Command_DelCounter &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdNextTurn(const Command_NextTurn &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdSetActivePhase(const Command_SetActivePhase &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdDumpZone(const Command_DumpZone &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdRevealCards(const Command_RevealCards &cmd, ResponseContainer &rc, GameEventStorage &ges) override;
+    Response::ResponseCode
+    cmdReverseTurn(const Command_ReverseTurn & /*cmd*/, ResponseContainer & /*rc*/, GameEventStorage &ges) override;
+    Response::ResponseCode cmdChangeZoneProperties(const Command_ChangeZoneProperties &cmd,
+                                                   ResponseContainer &rc,
+                                                   GameEventStorage &ges) override;
+
+    void getInfo(ServerInfo_Player *info,
+                 Server_AbstractParticipant *playerWhosAsking,
+                 bool omniscient,
+                 bool withUserInfo) override;
+};
+
+#endif

common/server/game/server_spectator.cpp

@@ -0,0 +1,11 @@
+#include "server_spectator.h"
+
+Server_Spectator::Server_Spectator(Server_Game *_game,
+                                   int _playerId,
+                                   const ServerInfo_User &_userInfo,
+                                   bool _judge,
+                                   Server_AbstractUserInterface *_userInterface)
+    : Server_AbstractParticipant(_game, _playerId, _userInfo, _judge, _userInterface)
+{
+    spectator = true;
+}

common/server/game/server_spectator.h

@@ -0,0 +1,17 @@
+#ifndef SPECTATOR_H
+#define SPECTATOR_H
+
+#include "server_abstract_participant.h"
+
+class Server_Spectator : public Server_AbstractParticipant
+{
+    Q_OBJECT
+public:
+    Server_Spectator(Server_Game *_game,
+                     int _playerId,
+                     const ServerInfo_User &_userInfo,
+                     bool _judge,
+                     Server_AbstractUserInterface *_handler);
+};
+
+#endif

common/server/server.cpp

@@ -0,0 +1,660 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Max-Wilhelm Bruker   *
+ *   brukie@laptop   *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#include "server.h"
+
+#include "../debug_pb_message.h"
+#include "../featureset.h"
+#include "game/server_game.h"
+#include "game/server_player.h"
+#include "pb/event_connection_closed.pb.h"
+#include "pb/event_list_rooms.pb.h"
+#include "pb/event_user_joined.pb.h"
+#include "pb/event_user_left.pb.h"
+#include "pb/isl_message.pb.h"
+#include "pb/session_event.pb.h"
+#include "server_database_interface.h"
+#include "server_protocolhandler.h"
+#include "server_remoteuserinterface.h"
+#include "server_room.h"
+
+#include <QCoreApplication>
+#include <QDebug>
+#include <QThread>
+
+Server::Server(QObject *parent) : QObject(parent), nextLocalGameId(0), tcpUserCount(0), webSocketUserCount(0)
+{
+    qRegisterMetaType<ServerInfo_Ban>("ServerInfo_Ban");
+    qRegisterMetaType<ServerInfo_Game>("ServerInfo_Game");
+    qRegisterMetaType<ServerInfo_Room>("ServerInfo_Room");
+    qRegisterMetaType<ServerInfo_User>("ServerInfo_User");
+    qRegisterMetaType<CommandContainer>("CommandContainer");
+    qRegisterMetaType<Response>("Response");
+    qRegisterMetaType<GameEventContainer>("GameEventContainer");
+    qRegisterMetaType<IslMessage>("IslMessage");
+    qRegisterMetaType<Command_JoinGame>("Command_JoinGame");
+
+    connect(this, &Server::sigSendIslMessage, this, &Server::doSendIslMessage, Qt::QueuedConnection);
+}
+
+void Server::prepareDestroy()
+{
+    roomsLock.lockForWrite();
+    QMapIterator<int, Server_Room *> roomIterator(rooms);
+    while (roomIterator.hasNext())
+        delete roomIterator.next().value();
+    rooms.clear();
+    roomsLock.unlock();
+}
+
+void Server::setDatabaseInterface(Server_DatabaseInterface *_databaseInterface)
+{
+    connect(this, &Server::endSession, _databaseInterface, &Server_DatabaseInterface::endSession);
+    databaseInterfaces.insert(QThread::currentThread(), _databaseInterface);
+}
+
+Server_DatabaseInterface *Server::getDatabaseInterface() const
+{
+    return databaseInterfaces.value(QThread::currentThread());
+}
+
+AuthenticationResult Server::loginUser(Server_ProtocolHandler *session,
+                                       QString &name,
+                                       const QString &password,
+                                       bool passwordNeedsHash,
+                                       QString &reasonStr,
+                                       int &secondsLeft,
+                                       QString &clientid,
+                                       QString &clientVersion,
+                                       QString & /* connectionType */)
+{
+    bool hasClientId = false;
+    if (clientid.isEmpty()) {
+        // client id is empty, either out dated client or client has been modified
+        if (getClientIDRequiredEnabled())
+            return ClientIdRequired;
+    } else {
+        hasClientId = true;
+    }
+
+    if (name.size() > 35)
+        name = name.left(35);
+
+    Server_DatabaseInterface *databaseInterface = getDatabaseInterface();
+
+    AuthenticationResult authState = databaseInterface->checkUserPassword(session, name, password, clientid, reasonStr,
+                                                                          secondsLeft, passwordNeedsHash);
+    if (authState == NotLoggedIn || authState == UserIsBanned || authState == UsernameInvalid ||
+        authState == UserIsInactive)
+        return authState;
+
+    ServerInfo_User data = databaseInterface->getUserData(name, true);
+    data.set_address(session->getAddress().toStdString());
+    name = QString::fromStdString(data.name()); // Compensate for case indifference
+
+    if (authState == PasswordRight) {
+        if (users.contains(name) || databaseInterface->userSessionExists(name)) {
+            if (users.contains(name)) {
+                qDebug("Session already logged in, logging old session out");
+                Event_ConnectionClosed event;
+                event.set_reason(Event_ConnectionClosed::LOGGEDINELSEWERE);
+                event.set_reason_str("You have been logged out due to logging in at another location.");
+                event.set_end_time(QDateTime::currentDateTime().toSecsSinceEpoch());
+
+                SessionEvent *se = users.value(name)->prepareSessionEvent(event);
+                users.value(name)->sendProtocolItem(*se);
+                delete se;
+
+                users.value(name)->prepareDestroy();
+            } else {
+                qDebug() << "Active session and sessions table inconsistent, please validate session table information "
+                            "for user "
+                         << name;
+            }
+        }
+
+    } else if (authState == UnknownUser) {
+        // Change user name so that no two users have the same names,
+        // don't interfere with registered user names though.
+        if (getRegOnlyServerEnabled()) {
+            qDebug("Login denied: registration required");
+            databaseInterface->unlockSessionTables();
+            return RegistrationRequired;
+        }
+
+        QString tempName = name;
+        int i = 0;
+        while (users.contains(tempName) || databaseInterface->activeUserExists(tempName) ||
+               databaseInterface->userSessionExists(tempName))
+            tempName = name + "_" + QString::number(++i);
+        name = tempName;
+        data.set_name(name.toStdString());
+    }
+
+    QWriteLocker locker(&clientsLock);
+    databaseInterface->lockSessionTables();
+    users.insert(name, session);
+    qDebug() << "Server::loginUser:" << session << "name=" << name;
+
+    data.set_session_id(static_cast<google::protobuf::uint64>(
+        databaseInterface->startSession(name, session->getAddress(), clientid, session->getConnectionType())));
+    databaseInterface->unlockSessionTables();
+
+    usersBySessionId.insert(data.session_id(), session);
+
+    qDebug() << "session id:" << data.session_id();
+    session->setUserInfo(data);
+
+    Event_UserJoined event;
+    event.mutable_user_info()->CopyFrom(session->copyUserInfo(false));
+    SessionEvent *se = Server_ProtocolHandler::prepareSessionEvent(event);
+    for (auto &client : clients)
+        if (client->getAcceptsUserListChanges())
+            client->sendProtocolItem(*se);
+    delete se;
+
+    event.mutable_user_info()->CopyFrom(session->copyUserInfo(true, true, true));
+    locker.unlock();
+
+    if (hasClientId) {
+        // update users database table with client id
+        databaseInterface->updateUsersClientID(name, clientid);
+    }
+    databaseInterface->updateUsersLastLoginData(name, clientVersion);
+    se = Server_ProtocolHandler::prepareSessionEvent(event);
+    sendIsl_SessionEvent(*se);
+    delete se;
+
+    return authState;
+}
+
+void Server::addPersistentPlayer(const QString &userName, int roomId, int gameId, int playerId)
+{
+    QWriteLocker locker(&persistentPlayersLock);
+    persistentPlayers.insert(userName, PlayerReference(roomId, gameId, playerId));
+}
+
+void Server::removePersistentPlayer(const QString &userName, int roomId, int gameId, int playerId)
+{
+    QWriteLocker locker(&persistentPlayersLock);
+    persistentPlayers.remove(userName, PlayerReference(roomId, gameId, playerId));
+}
+
+QList<PlayerReference> Server::getPersistentPlayerReferences(const QString &userName) const
+{
+    QReadLocker locker(&persistentPlayersLock);
+    return persistentPlayers.values(userName);
+}
+
+Server_AbstractUserInterface *Server::findUser(const QString &userName) const
+{
+    // Call this only with clientsLock set.
+
+    Server_AbstractUserInterface *userHandler = users.value(userName);
+    if (userHandler)
+        return userHandler;
+    else
+        return externalUsers.value(userName);
+}
+
+void Server::addClient(Server_ProtocolHandler *client)
+{
+    if (client->getConnectionType() == "tcp")
+        tcpUserCount++;
+
+    if (client->getConnectionType() == "websocket")
+        webSocketUserCount++;
+
+    QWriteLocker locker(&clientsLock);
+    clients << client;
+}
+
+void Server::removeClient(Server_ProtocolHandler *client)
+{
+    int clientIndex = clients.indexOf(client);
+    if (clientIndex == -1) {
+        qWarning() << "tried to remove non existing client";
+        return;
+    }
+
+    if (client->getConnectionType() == "tcp")
+        tcpUserCount--;
+
+    if (client->getConnectionType() == "websocket")
+        webSocketUserCount--;
+
+    QWriteLocker locker(&clientsLock);
+    clients.removeAt(clientIndex);
+    ServerInfo_User *data = client->getUserInfo();
+    if (data) {
+        Event_UserLeft event;
+        event.set_name(data->name());
+        SessionEvent *se = Server_ProtocolHandler::prepareSessionEvent(event);
+        for (auto &_client : clients)
+            if (_client->getAcceptsUserListChanges())
+                _client->sendProtocolItem(*se);
+        sendIsl_SessionEvent(*se);
+        delete se;
+
+        users.remove(QString::fromStdString(data->name()));
+        qDebug() << "Server::removeClient: name=" << QString::fromStdString(data->name());
+
+        if (data->has_session_id()) {
+            const qint64 sessionId = data->session_id();
+            usersBySessionId.remove(sessionId);
+            emit endSession(sessionId);
+            qDebug() << "closed session id:" << sessionId;
+        }
+    }
+    qDebug() << "Server::removeClient: removed" << (void *)client << ";" << clients.size() << "clients; "
+             << users.size() << "users left";
+}
+
+QList<QString> Server::getOnlineModeratorList() const
+{
+    // clients list should be locked by calling function prior to iteration otherwise sigfaults may occur
+    QList<QString> results;
+    for (auto &client : clients) {
+        ServerInfo_User *data = client->getUserInfo();
+
+        // TODO: this line should be updated in the event there is any type of new user level created
+        if (data &&
+            (data->user_level() & ServerInfo_User::IsModerator || data->user_level() & ServerInfo_User::IsAdmin))
+            results << QString::fromStdString(data->name()).simplified();
+    }
+    return results;
+}
+
+void Server::externalUserJoined(const ServerInfo_User &userInfo)
+{
+    // This function is always called from the main thread via signal/slot.
+    clientsLock.lockForWrite();
+
+    Server_RemoteUserInterface *newUser = new Server_RemoteUserInterface(this, ServerInfo_User_Container(userInfo));
+    externalUsers.insert(QString::fromStdString(userInfo.name()), newUser);
+    externalUsersBySessionId.insert(userInfo.session_id(), newUser);
+
+    Event_UserJoined event;
+    event.mutable_user_info()->CopyFrom(userInfo);
+
+    SessionEvent *se = Server_ProtocolHandler::prepareSessionEvent(event);
+    for (auto &client : clients)
+        if (client->getAcceptsUserListChanges())
+            client->sendProtocolItem(*se);
+    delete se;
+    clientsLock.unlock();
+
+    ResponseContainer rc(-1);
+    newUser->joinPersistentGames(rc);
+    newUser->sendResponseContainer(rc, Response::RespNothing);
+}
+
+void Server::externalUserLeft(const QString &userName)
+{
+    // This function is always called from the main thread via signal/slot.
+
+    clientsLock.lockForWrite();
+    Server_AbstractUserInterface *user = externalUsers.take(userName);
+    externalUsersBySessionId.remove(user->getUserInfo()->session_id());
+    clientsLock.unlock();
+
+    QMap<int, QPair<int, int>> userGames(user->getGames());
+    QMapIterator<int, QPair<int, int>> userGamesIterator(userGames);
+    roomsLock.lockForRead();
+    while (userGamesIterator.hasNext()) {
+        userGamesIterator.next();
+        Server_Room *room = rooms.value(userGamesIterator.value().first);
+        if (!room)
+            continue;
+
+        QReadLocker roomGamesLocker(&room->gamesLock);
+        Server_Game *game = room->getGames().value(userGamesIterator.key());
+        if (!game)
+            continue;
+
+        QMutexLocker gameLocker(&game->gameMutex);
+        auto *participant = game->getParticipants().value(userGamesIterator.value().second);
+        if (!participant)
+            continue;
+
+        participant->disconnectClient();
+    }
+    roomsLock.unlock();
+
+    delete user;
+
+    Event_UserLeft event;
+    event.set_name(userName.toStdString());
+
+    SessionEvent *se = Server_ProtocolHandler::prepareSessionEvent(event);
+    clientsLock.lockForRead();
+    for (auto &client : clients)
+        if (client->getAcceptsUserListChanges())
+            client->sendProtocolItem(*se);
+    clientsLock.unlock();
+    delete se;
+}
+
+void Server::externalRoomUserJoined(int roomId, const ServerInfo_User &userInfo)
+{
+    // This function is always called from the main thread via signal/slot.
+    QReadLocker locker(&roomsLock);
+
+    Server_Room *room = rooms.value(roomId);
+    if (!room) {
+        qDebug() << "externalRoomUserJoined: room id=" << roomId << "not found";
+        return;
+    }
+    room->addExternalUser(userInfo);
+}
+
+void Server::externalRoomUserLeft(int roomId, const QString &userName)
+{
+    // This function is always called from the main thread via signal/slot.
+    QReadLocker locker(&roomsLock);
+
+    Server_Room *room = rooms.value(roomId);
+    if (!room) {
+        qDebug() << "externalRoomUserLeft: room id=" << roomId << "not found";
+        return;
+    }
+    room->removeExternalUser(userName);
+}
+
+void Server::externalRoomSay(int roomId, const QString &userName, const QString &message)
+{
+    // This function is always called from the main thread via signal/slot.
+    QReadLocker locker(&roomsLock);
+
+    Server_Room *room = rooms.value(roomId);
+    if (!room) {
+        qDebug() << "externalRoomSay: room id=" << roomId << "not found";
+        return;
+    }
+    room->say(userName, message, false);
+
+    getDatabaseInterface()->logMessage(0, userName, "ISL", message, Server_DatabaseInterface::MessageTargetIslRoom,
+                                       room->getId(), room->getName());
+}
+
+void Server::externalRoomRemoveMessages(int roomId, const QString &userName, int amount)
+{
+    // This function is always called from the main thread via signal/slot.
+    QReadLocker locker(&roomsLock);
+
+    Server_Room *room = rooms.value(roomId);
+    if (room == nullptr) {
+        qDebug() << "externalRoomRemoveMessages: room id=" << roomId << "not found";
+        return;
+    }
+    room->removeSaidMessages(userName, amount);
+}
+
+void Server::externalRoomGameListChanged(int roomId, const ServerInfo_Game &gameInfo)
+{
+    // This function is always called from the main thread via signal/slot.
+    QReadLocker locker(&roomsLock);
+
+    Server_Room *room = rooms.value(roomId);
+    if (!room) {
+        qDebug() << "externalRoomGameListChanged: room id=" << roomId << "not found";
+        return;
+    }
+    room->updateExternalGameList(gameInfo);
+}
+
+void Server::externalJoinGameCommandReceived(const Command_JoinGame &cmd,
+                                             int cmdId,
+                                             int roomId,
+                                             int serverId,
+                                             qint64 sessionId)
+{
+    // This function is always called from the main thread via signal/slot.
+
+    try {
+        QReadLocker roomsLocker(&roomsLock);
+        QReadLocker clientsLocker(&clientsLock);
+
+        Server_Room *room = rooms.value(roomId);
+        if (!room) {
+            qDebug() << "externalJoinGameCommandReceived: room id=" << roomId << "not found";
+            throw Response::RespNotInRoom;
+        }
+        Server_AbstractUserInterface *userInterface = externalUsersBySessionId.value(sessionId);
+        if (!userInterface) {
+            qDebug() << "externalJoinGameCommandReceived: session id=" << sessionId << "not found";
+            throw Response::RespNotInRoom;
+        }
+
+        ResponseContainer responseContainer(cmdId);
+        Response::ResponseCode responseCode = room->processJoinGameCommand(cmd, responseContainer, userInterface);
+        userInterface->sendResponseContainer(responseContainer, responseCode);
+    } catch (Response::ResponseCode &code) {
+        Response response;
+        response.set_cmd_id(static_cast<google::protobuf::uint64>(cmdId));
+        response.set_response_code(code);
+
+        sendIsl_Response(response, serverId, sessionId);
+    }
+}
+
+void Server::externalGameCommandContainerReceived(const CommandContainer &cont,
+                                                  int playerId,
+                                                  int serverId,
+                                                  qint64 sessionId)
+{
+    // This function is always called from the main thread via signal/slot.
+
+    try {
+        ResponseContainer responseContainer(static_cast<int>(cont.cmd_id()));
+        Response::ResponseCode finalResponseCode = Response::RespOk;
+
+        QReadLocker roomsLocker(&roomsLock);
+        Server_Room *room = rooms.value(cont.room_id());
+        if (!room) {
+            qDebug() << "externalGameCommandContainerReceived: room id=" << cont.room_id() << "not found";
+            throw Response::RespNotInRoom;
+        }
+
+        QReadLocker roomGamesLocker(&room->gamesLock);
+        Server_Game *game = room->getGames().value(cont.game_id());
+        if (!game) {
+            qDebug() << "externalGameCommandContainerReceived: game id=" << cont.game_id() << "not found";
+            throw Response::RespNotInRoom;
+        }
+
+        QMutexLocker gameLocker(&game->gameMutex);
+        auto *participant = game->getParticipants().value(playerId);
+        if (!participant) {
+            qDebug() << "externalGameCommandContainerReceived: player id=" << playerId << "not found";
+            throw Response::RespNotInRoom;
+        }
+
+        GameEventStorage ges;
+        for (int i = cont.game_command_size() - 1; i >= 0; --i) {
+            const GameCommand &sc = cont.game_command(i);
+            qDebug() << "[ISL]" << getSafeDebugString(sc);
+
+            Response::ResponseCode resp = participant->processGameCommand(sc, responseContainer, ges);
+
+            if (resp != Response::RespOk)
+                finalResponseCode = resp;
+        }
+        ges.sendToGame(game);
+
+        if (finalResponseCode != Response::RespNothing) {
+            participant->getUserInterface()->sendResponseContainer(responseContainer, finalResponseCode);
+        }
+    } catch (Response::ResponseCode code) {
+        Response response;
+        response.set_cmd_id(cont.cmd_id());
+        response.set_response_code(code);
+
+        sendIsl_Response(response, serverId, sessionId);
+    }
+}
+
+void Server::externalGameEventContainerReceived(const GameEventContainer &cont, qint64 sessionId)
+{
+    // This function is always called from the main thread via signal/slot.
+
+    QReadLocker usersLocker(&clientsLock);
+
+    Server_ProtocolHandler *client = usersBySessionId.value(sessionId);
+    if (!client) {
+        qDebug() << "externalGameEventContainerReceived: session" << sessionId << "not found";
+        return;
+    }
+    client->sendProtocolItem(cont);
+}
+
+void Server::externalResponseReceived(const Response &resp, qint64 sessionId)
+{
+    // This function is always called from the main thread via signal/slot.
+
+    QReadLocker usersLocker(&clientsLock);
+
+    Server_ProtocolHandler *client = usersBySessionId.value(sessionId);
+    if (!client) {
+        qDebug() << "externalResponseReceived: session" << sessionId << "not found";
+        return;
+    }
+    client->sendProtocolItem(resp);
+}
+
+void Server::broadcastRoomUpdate(const ServerInfo_Room &roomInfo, bool sendToIsl)
+{
+    // This function is always called from the main thread via signal/slot.
+
+    Event_ListRooms event;
+    event.add_room_list()->CopyFrom(roomInfo);
+
+    SessionEvent *se = Server_ProtocolHandler::prepareSessionEvent(event);
+
+    clientsLock.lockForRead();
+    for (auto &client : clients)
+        if (client->getAcceptsRoomListChanges())
+            client->sendProtocolItem(*se);
+    clientsLock.unlock();
+
+    if (sendToIsl)
+        sendIsl_SessionEvent(*se);
+
+    delete se;
+}
+
+void Server::addRoom(Server_Room *newRoom)
+{
+    QWriteLocker locker(&roomsLock);
+    qDebug() << "Adding room: ID=" << newRoom->getId() << "name=" << newRoom->getName();
+    rooms.insert(newRoom->getId(), newRoom);
+    connect(
+        newRoom, &Server_Room::roomInfoChanged, this, [this](auto roomInfo) { broadcastRoomUpdate(roomInfo); },
+        Qt::QueuedConnection);
+}
+
+int Server::getUsersCount() const
+{
+    QReadLocker locker(&clientsLock);
+    return users.size();
+}
+
+int Server::getGamesCount() const
+{
+    int result = 0;
+    QReadLocker locker(&roomsLock);
+    QMapIterator<int, Server_Room *> roomIterator(rooms);
+    while (roomIterator.hasNext()) {
+        Server_Room *room = roomIterator.next().value();
+        QReadLocker roomLocker(&room->gamesLock);
+        result += room->getGames().size();
+    }
+    return result;
+}
+
+void Server::sendIsl_Response(const Response &item, int serverId, qint64 sessionId)
+{
+    IslMessage msg;
+    msg.set_message_type(IslMessage::RESPONSE);
+    if (sessionId != -1)
+        msg.set_session_id(static_cast<google::protobuf::uint64>(sessionId));
+    msg.mutable_response()->CopyFrom(item);
+
+    emit sigSendIslMessage(msg, serverId);
+}
+
+void Server::sendIsl_SessionEvent(const SessionEvent &item, int serverId, qint64 sessionId)
+{
+    IslMessage msg;
+    msg.set_message_type(IslMessage::SESSION_EVENT);
+    if (sessionId != -1)
+        msg.set_session_id(static_cast<google::protobuf::uint64>(sessionId));
+    msg.mutable_session_event()->CopyFrom(item);
+
+    emit sigSendIslMessage(msg, serverId);
+}
+
+void Server::sendIsl_GameEventContainer(const GameEventContainer &item, int serverId, qint64 sessionId)
+{
+    IslMessage msg;
+    msg.set_message_type(IslMessage::GAME_EVENT_CONTAINER);
+    if (sessionId != -1)
+        msg.set_session_id(static_cast<google::protobuf::uint64>(sessionId));
+    msg.mutable_game_event_container()->CopyFrom(item);
+
+    emit sigSendIslMessage(msg, serverId);
+}
+
+void Server::sendIsl_RoomEvent(const RoomEvent &item, int serverId, qint64 sessionId)
+{
+    IslMessage msg;
+    msg.set_message_type(IslMessage::ROOM_EVENT);
+    if (sessionId != -1)
+        msg.set_session_id(static_cast<google::protobuf::uint64>(sessionId));
+    msg.mutable_room_event()->CopyFrom(item);
+
+    emit sigSendIslMessage(msg, serverId);
+}
+
+void Server::sendIsl_GameCommand(const CommandContainer &item, int serverId, qint64 sessionId, int roomId, int playerId)
+{
+    IslMessage msg;
+    msg.set_message_type(IslMessage::GAME_COMMAND_CONTAINER);
+    msg.set_session_id(static_cast<google::protobuf::uint64>(sessionId));
+    msg.set_player_id(playerId);
+
+    CommandContainer *cont = msg.mutable_game_command();
+    cont->CopyFrom(item);
+    cont->set_room_id(static_cast<google::protobuf::uint32>(roomId));
+
+    emit sigSendIslMessage(msg, serverId);
+}
+
+void Server::sendIsl_RoomCommand(const CommandContainer &item, int serverId, qint64 sessionId, int roomId)
+{
+    IslMessage msg;
+    msg.set_message_type(IslMessage::ROOM_COMMAND_CONTAINER);
+    msg.set_session_id(static_cast<google::protobuf::uint64>(sessionId));
+
+    CommandContainer *cont = msg.mutable_room_command();
+    cont->CopyFrom(item);
+    cont->set_room_id(static_cast<google::protobuf::uint32>(roomId));
+
+    emit sigSendIslMessage(msg, serverId);
+}

common/server/server.h

@@ -0,0 +1,253 @@
+#ifndef SERVER_H
+#define SERVER_H
+
+#include "pb/commands.pb.h"
+#include "pb/serverinfo_ban.pb.h"
+#include "pb/serverinfo_chat_message.pb.h"
+#include "pb/serverinfo_user.pb.h"
+#include "pb/serverinfo_warning.pb.h"
+#include "server_player_reference.h"
+
+#include <QMap>
+#include <QMultiMap>
+#include <QMutex>
+#include <QObject>
+#include <QReadWriteLock>
+#include <QStringList>
+
+class Server_DatabaseInterface;
+class Server_Game;
+class Server_Room;
+class Server_ProtocolHandler;
+class Server_AbstractUserInterface;
+class GameReplay;
+class IslMessage;
+class SessionEvent;
+class RoomEvent;
+class DeckList;
+class ServerInfo_Game;
+class ServerInfo_Room;
+class Response;
+class GameEventContainer;
+class CommandContainer;
+class Command_JoinGame;
+
+enum AuthenticationResult
+{
+    NotLoggedIn,
+    PasswordRight,
+    UnknownUser,
+    WouldOverwriteOldSession,
+    UserIsBanned,
+    UsernameInvalid,
+    RegistrationRequired,
+    UserIsInactive,
+    ClientIdRequired
+};
+
+class Server : public QObject
+{
+    Q_OBJECT
+signals:
+    void pingClockTimeout();
+    void sigSendIslMessage(const IslMessage &message, int serverId);
+    void endSession(qint64 sessionId);
+private slots:
+    void broadcastRoomUpdate(const ServerInfo_Room &roomInfo, bool sendToIsl = false);
+
+public:
+    mutable QReadWriteLock clientsLock, roomsLock; // locking order: roomsLock before clientsLock
+    explicit Server(QObject *parent = nullptr);
+    ~Server() override = default;
+    AuthenticationResult loginUser(Server_ProtocolHandler *session,
+                                   QString &name,
+                                   const QString &password,
+                                   bool passwordNeedsHash,
+                                   QString &reason,
+                                   int &secondsLeft,
+                                   QString &clientid,
+                                   QString &clientVersion,
+                                   QString &connectionType);
+
+    const QMap<int, Server_Room *> &getRooms()
+    {
+        return rooms;
+    }
+
+    Server_AbstractUserInterface *findUser(const QString &userName) const;
+    const QMap<QString, Server_ProtocolHandler *> &getUsers() const
+    {
+        return users;
+    }
+    const QMap<qint64, Server_ProtocolHandler *> &getUsersBySessionId() const
+    {
+        return usersBySessionId;
+    }
+    virtual QMap<QString, bool> getServerRequiredFeatureList() const
+    {
+        return QMap<QString, bool>();
+    }
+    void addClient(Server_ProtocolHandler *player);
+    void removeClient(Server_ProtocolHandler *player);
+    QList<QString> getOnlineModeratorList() const;
+    virtual QString getLoginMessage() const
+    {
+        return QString();
+    }
+    virtual QString getRequiredFeatures() const
+    {
+        return QString();
+    }
+    virtual bool permitUnregisteredUsers() const
+    {
+        return true;
+    }
+    virtual bool getGameShouldPing() const
+    {
+        return false;
+    }
+    virtual bool getClientIDRequiredEnabled() const
+    {
+        return false;
+    }
+    virtual bool getRegOnlyServerEnabled() const
+    {
+        return false;
+    }
+    virtual bool getMaxUserLimitEnabled() const
+    {
+        return false;
+    }
+    virtual bool getEnableLogQuery() const
+    {
+        return false;
+    }
+    virtual bool getStoreReplaysEnabled() const
+    {
+        return true;
+    }
+    virtual int getIdleClientTimeout() const
+    {
+        return 0;
+    }
+    virtual int getClientKeepAlive() const
+    {
+        return 0;
+    }
+    virtual int getMaxGameInactivityTime() const
+    {
+        return 9999999;
+    }
+    virtual int getMaxPlayerInactivityTime() const
+    {
+        return 9999999;
+    }
+    virtual int getMessageCountingInterval() const
+    {
+        return 0;
+    }
+    virtual int getMaxMessageCountPerInterval() const
+    {
+        return 0;
+    }
+    virtual int getMaxMessageSizePerInterval() const
+    {
+        return 0;
+    }
+    virtual int getMaxGamesPerUser() const
+    {
+        return -1;
+    }
+    virtual int getCommandCountingInterval() const
+    {
+        return 0;
+    }
+    virtual int getMaxCommandCountPerInterval() const
+    {
+        return 0;
+    }
+    virtual int getMaxUserTotal() const
+    {
+        return 9999999;
+    }
+    virtual int getServerID() const
+    {
+        return 0;
+    }
+    virtual bool permitCreateGameAsJudge() const
+    {
+        return false;
+    }
+
+    Server_DatabaseInterface *getDatabaseInterface() const;
+    int getNextLocalGameId()
+    {
+        QMutexLocker locker(&nextLocalGameIdMutex);
+        return ++nextLocalGameId;
+    }
+
+    void sendIsl_Response(const Response &item, int serverId = -1, qint64 sessionId = -1);
+    void sendIsl_SessionEvent(const SessionEvent &item, int serverId = -1, qint64 sessionId = -1);
+    void sendIsl_GameEventContainer(const GameEventContainer &item, int serverId = -1, qint64 sessionId = -1);
+    void sendIsl_RoomEvent(const RoomEvent &item, int serverId = -1, qint64 sessionId = -1);
+    void sendIsl_GameCommand(const CommandContainer &item, int serverId, qint64 sessionId, int roomId, int playerId);
+    void sendIsl_RoomCommand(const CommandContainer &item, int serverId, qint64 sessionId, int roomId);
+
+    const QMap<QString, Server_AbstractUserInterface *> &getExternalUsers() const
+    {
+        return externalUsers;
+    }
+
+    void addPersistentPlayer(const QString &userName, int roomId, int gameId, int playerId);
+    void removePersistentPlayer(const QString &userName, int roomId, int gameId, int playerId);
+    QList<PlayerReference> getPersistentPlayerReferences(const QString &userName) const;
+    int getUsersCount() const;
+    int getGamesCount() const;
+    int getTCPUserCount() const
+    {
+        return tcpUserCount;
+    }
+    int getWebSocketUserCount() const
+    {
+        return webSocketUserCount;
+    }
+
+private:
+    QMultiMap<QString, PlayerReference> persistentPlayers;
+    mutable QReadWriteLock persistentPlayersLock;
+    int nextLocalGameId, tcpUserCount, webSocketUserCount;
+    QMutex nextLocalGameIdMutex;
+
+protected slots:
+    void externalUserJoined(const ServerInfo_User &userInfo);
+    void externalUserLeft(const QString &userName);
+    void externalRoomUserJoined(int roomId, const ServerInfo_User &userInfo);
+    void externalRoomUserLeft(int roomId, const QString &userName);
+    void externalRoomSay(int roomId, const QString &userName, const QString &message);
+    void externalRoomRemoveMessages(int roomId, const QString &userName, int amount);
+    void externalRoomGameListChanged(int roomId, const ServerInfo_Game &gameInfo);
+    void
+    externalJoinGameCommandReceived(const Command_JoinGame &cmd, int cmdId, int roomId, int serverId, qint64 sessionId);
+    void
+    externalGameCommandContainerReceived(const CommandContainer &cont, int playerId, int serverId, qint64 sessionId);
+    void externalGameEventContainerReceived(const GameEventContainer &cont, qint64 sessionId);
+    void externalResponseReceived(const Response &resp, qint64 sessionId);
+
+    virtual void doSendIslMessage(const IslMessage & /* msg */, int /* serverId */)
+    {
+    }
+
+protected:
+    void prepareDestroy();
+    void setDatabaseInterface(Server_DatabaseInterface *_databaseInterface);
+    QList<Server_ProtocolHandler *> clients;
+    QMap<qint64, Server_ProtocolHandler *> usersBySessionId;
+    QMap<QString, Server_ProtocolHandler *> users;
+    QMap<qint64, Server_AbstractUserInterface *> externalUsersBySessionId;
+    QMap<QString, Server_AbstractUserInterface *> externalUsers;
+    QMap<int, Server_Room *> rooms;
+    QMap<QThread *, Server_DatabaseInterface *> databaseInterfaces;
+    void addRoom(Server_Room *newRoom);
+};
+
+#endif

common/server/server_abstractuserinterface.cpp

@@ -0,0 +1,116 @@
+#include "server_abstractuserinterface.h"
+
+#include "game/server_game.h"
+#include "game/server_player.h"
+#include "pb/event_game_joined.pb.h"
+#include "pb/event_game_state_changed.pb.h"
+#include "server.h"
+#include "server_player_reference.h"
+#include "server_response_containers.h"
+#include "server_room.h"
+
+#include <QDebug>
+#include <QList>
+#include <QPair>
+#include <google/protobuf/descriptor.h>
+
+void Server_AbstractUserInterface::sendProtocolItemByType(ServerMessage::MessageType type,
+                                                          const ::google::protobuf::Message &item)
+{
+    switch (type) {
+        case ServerMessage::RESPONSE:
+            sendProtocolItem(static_cast<const Response &>(item));
+            break;
+        case ServerMessage::SESSION_EVENT:
+            sendProtocolItem(static_cast<const SessionEvent &>(item));
+            break;
+        case ServerMessage::GAME_EVENT_CONTAINER:
+            sendProtocolItem(static_cast<const GameEventContainer &>(item));
+            break;
+        case ServerMessage::ROOM_EVENT:
+            sendProtocolItem(static_cast<const RoomEvent &>(item));
+            break;
+    }
+}
+
+SessionEvent *Server_AbstractUserInterface::prepareSessionEvent(const ::google::protobuf::Message &sessionEvent)
+{
+    SessionEvent *event = new SessionEvent;
+    event->GetReflection()
+        ->MutableMessage(event, sessionEvent.GetDescriptor()->FindExtensionByName("ext"))
+        ->CopyFrom(sessionEvent);
+    return event;
+}
+
+void Server_AbstractUserInterface::sendResponseContainer(const ResponseContainer &responseContainer,
+                                                         Response::ResponseCode responseCode)
+{
+    const QList<QPair<ServerMessage::MessageType, ::google::protobuf::Message *>> &preResponseQueue =
+        responseContainer.getPreResponseQueue();
+    for (int i = 0; i < preResponseQueue.size(); ++i)
+        sendProtocolItemByType(preResponseQueue[i].first, *preResponseQueue[i].second);
+
+    if (responseCode != Response::RespNothing) {
+        Response response;
+        response.set_cmd_id(responseContainer.getCmdId());
+        response.set_response_code(responseCode);
+        ::google::protobuf::Message *responseExtension = responseContainer.getResponseExtension();
+        if (responseExtension)
+            response.GetReflection()
+                ->MutableMessage(&response, responseExtension->GetDescriptor()->FindExtensionByName("ext"))
+                ->CopyFrom(*responseExtension);
+        sendProtocolItem(response);
+    }
+
+    const QList<QPair<ServerMessage::MessageType, ::google::protobuf::Message *>> &postResponseQueue =
+        responseContainer.getPostResponseQueue();
+    for (int i = 0; i < postResponseQueue.size(); ++i)
+        sendProtocolItemByType(postResponseQueue[i].first, *postResponseQueue[i].second);
+}
+
+void Server_AbstractUserInterface::playerRemovedFromGame(Server_Game *game)
+{
+    qDebug() << "Server_AbstractUserInterface::playerRemovedFromGame(): gameId =" << game->getGameId();
+
+    QMutexLocker locker(&gameListMutex);
+    games.remove(game->getGameId());
+}
+
+void Server_AbstractUserInterface::playerAddedToGame(int gameId, int roomId, int playerId)
+{
+    qDebug() << "Server_AbstractUserInterface::playerAddedToGame(): gameId =" << gameId;
+
+    QMutexLocker locker(&gameListMutex);
+    games.insert(gameId, QPair<int, int>(roomId, playerId));
+}
+
+void Server_AbstractUserInterface::joinPersistentGames(ResponseContainer &rc)
+{
+    QList<PlayerReference> gamesToJoin =
+        server->getPersistentPlayerReferences(QString::fromStdString(userInfo->name()));
+
+    server->roomsLock.lockForRead();
+    for (int i = 0; i < gamesToJoin.size(); ++i) {
+        const PlayerReference &pr = gamesToJoin.at(i);
+
+        Server_Room *room = server->getRooms().value(pr.getRoomId());
+        if (!room)
+            continue;
+        QReadLocker roomGamesLocker(&room->gamesLock);
+
+        Server_Game *game = room->getGames().value(pr.getGameId());
+        if (!game)
+            continue;
+        QMutexLocker gameLocker(&game->gameMutex);
+
+        auto *participant = game->getParticipants().value(pr.getPlayerId());
+        if (!participant)
+            continue;
+
+        participant->setUserInterface(this);
+        playerAddedToGame(game->getGameId(), room->getId(), participant->getPlayerId());
+
+        game->createGameJoinedEvent(participant, rc, true);
+    }
+    server->roomsLock.unlock();
+}

common/server/server_abstractuserinterface.h

@@ -0,0 +1,63 @@
+#ifndef SERVER_ABSTRACTUSERINTERFACE
+#define SERVER_ABSTRACTUSERINTERFACE
+
+#include "../serverinfo_user_container.h"
+#include "pb/response.pb.h"
+#include "pb/server_message.pb.h"
+
+#include <QMap>
+#include <QMutex>
+#include <QPair>
+
+class SessionEvent;
+class GameEventContainer;
+class RoomEvent;
+class ResponseContainer;
+
+class Server;
+class Server_Game;
+
+class Server_AbstractUserInterface : public ServerInfo_User_Container
+{
+private:
+    mutable QMutex gameListMutex;
+    QMap<int, QPair<int, int>> games; // gameId -> (roomId, playerId)
+protected:
+    Server *server;
+
+public:
+    explicit Server_AbstractUserInterface(Server *_server) : server(_server)
+    {
+    }
+    Server_AbstractUserInterface(Server *_server, const ServerInfo_User_Container &other)
+        : ServerInfo_User_Container(other), server(_server)
+    {
+    }
+    ~Server_AbstractUserInterface() override
+    {
+    }
+
+    virtual int getLastCommandTime() const = 0;
+    virtual bool addSaidMessageSize(int size) = 0;
+
+    void playerRemovedFromGame(Server_Game *game);
+    void playerAddedToGame(int gameId, int roomId, int playerId);
+    void joinPersistentGames(ResponseContainer &rc);
+
+    QMap<int, QPair<int, int>> getGames() const
+    {
+        QMutexLocker locker(&gameListMutex);
+        return games;
+    }
+
+    virtual void sendProtocolItem(const Response &item) = 0;
+    virtual void sendProtocolItem(const SessionEvent &item) = 0;
+    virtual void sendProtocolItem(const GameEventContainer &item) = 0;
+    virtual void sendProtocolItem(const RoomEvent &item) = 0;
+    void sendProtocolItemByType(ServerMessage::MessageType type, const ::google::protobuf::Message &item);
+
+    static SessionEvent *prepareSessionEvent(const ::google::protobuf::Message &sessionEvent);
+    void sendResponseContainer(const ResponseContainer &responseContainer, Response::ResponseCode responseCode);
+};
+
+#endif

common/server/server_database_interface.cpp

@@ -0,0 +1,2 @@
+
+#include "server_database_interface.h"

common/server/server_database_interface.h

@@ -0,0 +1,175 @@
+#ifndef SERVER_DATABASE_INTERFACE_H
+#define SERVER_DATABASE_INTERFACE_H
+
+#include "server.h"
+
+#include <QObject>
+
+class Server_DatabaseInterface : public QObject
+{
+    Q_OBJECT
+public:
+    explicit Server_DatabaseInterface(QObject *parent = nullptr) : QObject(parent)
+    {
+    }
+
+    virtual AuthenticationResult checkUserPassword(Server_ProtocolHandler *handler,
+                                                   const QString &user,
+                                                   const QString &password,
+                                                   const QString &clientId,
+                                                   QString &reasonStr,
+                                                   int &secondsLeft,
+                                                   bool passwordNeedsHash) = 0;
+    virtual bool checkUserIsBanned(const QString & /* ipAddress */,
+                                   const QString & /* userName */,
+                                   const QString & /* clientId */,
+                                   QString & /* banReason */,
+                                   int & /* banSecondsRemaining */)
+    {
+        return false;
+    }
+    virtual bool activeUserExists(const QString & /* user */)
+    {
+        return false;
+    }
+    virtual bool userExists(const QString & /* user */)
+    {
+        return false;
+    }
+    virtual QString getUserSalt(const QString & /* user */)
+    {
+        return {};
+    }
+    virtual QMap<QString, ServerInfo_User> getBuddyList(const QString & /* name */)
+    {
+        return QMap<QString, ServerInfo_User>();
+    }
+    virtual QMap<QString, ServerInfo_User> getIgnoreList(const QString & /* name */)
+    {
+        return QMap<QString, ServerInfo_User>();
+    }
+    virtual bool isInBuddyList(const QString & /* whoseList */, const QString & /* who */)
+    {
+        return false;
+    }
+    virtual bool isInIgnoreList(const QString & /* whoseList */, const QString & /* who */)
+    {
+        return false;
+    }
+    virtual ServerInfo_User getUserData(const QString &name, bool withId = false) = 0;
+    virtual void storeGameInformation(const QString & /* roomName */,
+                                      const QStringList & /* roomGameTypes */,
+                                      const ServerInfo_Game & /* gameInfo */,
+                                      const QSet<QString> & /* allPlayersEver */,
+                                      const QSet<QString> & /* allSpectatorsEver */,
+                                      const QList<GameReplay *> & /* replayList */)
+    {
+    }
+    virtual DeckList *getDeckFromDatabase(int /* deckId */, int /* userId */)
+    {
+        return 0;
+    }
+    virtual bool removeForgotPassword(const QString & /* user */)
+    {
+        return false;
+    }
+    virtual qint64 startSession(const QString & /* userName */,
+                                const QString & /* address */,
+                                const QString & /* clientId */,
+                                const QString & /* connectionType */)
+    {
+        return 0;
+    }
+    virtual bool usernameIsValid(const QString & /*userName */, QString & /* error */)
+    {
+        return true;
+    };
+public slots:
+    virtual void endSession(qint64 /* sessionId */)
+    {
+    }
+
+public:
+    virtual int getNextGameId() = 0;
+    virtual int getNextReplayId() = 0;
+    virtual int getActiveUserCount(QString connectionType = QString()) = 0;
+
+    virtual void clearSessionTables()
+    {
+    }
+    virtual void lockSessionTables()
+    {
+    }
+    virtual void unlockSessionTables()
+    {
+    }
+    virtual bool userSessionExists(const QString & /* userName */)
+    {
+        return false;
+    }
+
+    virtual bool getRequireRegistration()
+    {
+        return false;
+    }
+    virtual bool registerUser(const QString & /* userName */,
+                              const QString & /* realName */,
+                              const QString & /* password */,
+                              bool /* passwordNeedsHash */,
+                              const QString & /* emailAddress */,
+                              const QString & /* country */,
+                              bool /* active = false */)
+    {
+        return false;
+    }
+    virtual bool activateUser(const QString & /* userName */, const QString & /* token */)
+    {
+        return false;
+    }
+    virtual void updateUsersClientID(const QString & /* userName */, const QString & /* userClientID */)
+    {
+    }
+    virtual void updateUsersLastLoginData(const QString & /* userName */, const QString & /* clientVersion */)
+    {
+    }
+
+    enum LogMessage_TargetType
+    {
+        MessageTargetRoom,
+        MessageTargetGame,
+        MessageTargetChat,
+        MessageTargetIslRoom
+    };
+    virtual void logMessage(const int /* senderId */,
+                            const QString & /* senderName */,
+                            const QString & /* senderIp */,
+                            const QString & /* logMessage */,
+                            LogMessage_TargetType /* targetType */,
+                            const int /* targetId */,
+                            const QString & /* targetName */){};
+    virtual bool checkUserIsBanned(Server_ProtocolHandler * /* session */,
+                                   QString & /* banReason */,
+                                   int & /* banSecondsRemaining */)
+    {
+        return false;
+    };
+    virtual int checkNumberOfUserAccounts(const QString & /* email */)
+    {
+        return 0;
+    };
+    virtual bool
+    changeUserPassword(const QString & /* user */, const QString & /* password */, bool /* passwordNeedsHash */)
+    {
+        return false;
+    };
+    virtual bool changeUserPassword(const QString & /* user */,
+                                    const QString & /* oldPassword */,
+                                    bool /* oldPasswordNeedsHash */,
+                                    const QString & /* newPassword */,
+                                    bool /* newPasswordNeedsHash */)
+    {
+        return false;
+    };
+};
+
+#endif

common/server/server_player_reference.h

@@ -0,0 +1,33 @@
+#ifndef SERVER_PLAYER_REFERENCE_H
+#define SERVER_PLAYER_REFERENCE_H
+
+class PlayerReference
+{
+private:
+    int roomId;
+    int gameId;
+    int playerId;
+
+public:
+    PlayerReference(int _roomId, int _gameId, int _playerId) : roomId(_roomId), gameId(_gameId), playerId(_playerId)
+    {
+    }
+    int getRoomId() const
+    {
+        return roomId;
+    }
+    int getGameId() const
+    {
+        return gameId;
+    }
+    int getPlayerId() const
+    {
+        return playerId;
+    }
+    bool operator==(const PlayerReference &other)
+    {
+        return ((roomId == other.roomId) && (gameId == other.gameId) && (playerId == other.playerId));
+    }
+};
+
+#endif

common/server/server_protocolhandler.cpp

@@ -0,0 +1,865 @@
+#include "server_protocolhandler.h"
+
+#include "../debug_pb_message.h"
+#include "../featureset.h"
+#include "../get_pb_extension.h"
+#include "../trice_limits.h"
+#include "game/server_game.h"
+#include "game/server_player.h"
+#include "pb/commands.pb.h"
+#include "pb/event_game_joined.pb.h"
+#include "pb/event_list_rooms.pb.h"
+#include "pb/event_notify_user.pb.h"
+#include "pb/event_room_say.pb.h"
+#include "pb/event_server_message.pb.h"
+#include "pb/event_user_message.pb.h"
+#include "pb/response.pb.h"
+#include "pb/response_get_games_of_user.pb.h"
+#include "pb/response_get_user_info.pb.h"
+#include "pb/response_join_room.pb.h"
+#include "pb/response_list_users.pb.h"
+#include "pb/response_login.pb.h"
+#include "pb/serverinfo_user.pb.h"
+#include "server_database_interface.h"
+#include "server_room.h"
+
+#include <QDateTime>
+#include <QDebug>
+#include <QtMath>
+#include <google/protobuf/descriptor.h>
+
+Server_ProtocolHandler::Server_ProtocolHandler(Server *_server,
+                                               Server_DatabaseInterface *_databaseInterface,
+                                               QObject *parent)
+    : QObject(parent), Server_AbstractUserInterface(_server), deleted(false), databaseInterface(_databaseInterface),
+      authState(NotLoggedIn), usingRealPassword(false), acceptsUserListChanges(false), acceptsRoomListChanges(false),
+      idleClientWarningSent(false), timeRunning(0), lastDataReceived(0), lastActionReceived(0)
+
+{
+    connect(server, &Server::pingClockTimeout, this, &Server_ProtocolHandler::pingClockTimeout);
+}
+
+Server_ProtocolHandler::~Server_ProtocolHandler()
+{
+}
+
+// This function must only be called from the thread this object lives in.
+// Except when the server is shutting down.
+// The thread must not hold any server locks when calling this (e.g. clientsLock, roomsLock).
+void Server_ProtocolHandler::prepareDestroy()
+{
+    if (deleted)
+        return;
+    deleted = true;
+
+    for (auto *room : rooms.values()) {
+        room->removeClient(this);
+    }
+
+    QMap<int, QPair<int, int>> tempGames(getGames());
+
+    server->roomsLock.lockForRead();
+    QMapIterator<int, QPair<int, int>> gameIterator(tempGames);
+    while (gameIterator.hasNext()) {
+        gameIterator.next();
+
+        Server_Room *room = server->getRooms().value(gameIterator.value().first);
+        if (!room)
+            continue;
+        room->gamesLock.lockForRead();
+        Server_Game *game = room->getGames().value(gameIterator.key());
+        if (!game) {
+            room->gamesLock.unlock();
+            continue;
+        }
+        game->gameMutex.lock();
+        auto *participant = game->getParticipants().value(gameIterator.value().second);
+        if (!participant) {
+            game->gameMutex.unlock();
+            room->gamesLock.unlock();
+            continue;
+        }
+
+        participant->disconnectClient();
+
+        game->gameMutex.unlock();
+        room->gamesLock.unlock();
+    }
+    server->roomsLock.unlock();
+
+    server->removeClient(this);
+
+    deleteLater();
+}
+
+void Server_ProtocolHandler::sendProtocolItem(const Response &item)
+{
+    ServerMessage msg;
+    msg.mutable_response()->CopyFrom(item);
+    msg.set_message_type(ServerMessage::RESPONSE);
+
+    transmitProtocolItem(msg);
+}
+
+void Server_ProtocolHandler::sendProtocolItem(const SessionEvent &item)
+{
+    ServerMessage msg;
+    msg.mutable_session_event()->CopyFrom(item);
+    msg.set_message_type(ServerMessage::SESSION_EVENT);
+
+    transmitProtocolItem(msg);
+}
+
+void Server_ProtocolHandler::sendProtocolItem(const GameEventContainer &item)
+{
+    ServerMessage msg;
+    msg.mutable_game_event_container()->CopyFrom(item);
+    msg.set_message_type(ServerMessage::GAME_EVENT_CONTAINER);
+
+    transmitProtocolItem(msg);
+}
+
+void Server_ProtocolHandler::sendProtocolItem(const RoomEvent &item)
+{
+    ServerMessage msg;
+    msg.mutable_room_event()->CopyFrom(item);
+    msg.set_message_type(ServerMessage::ROOM_EVENT);
+
+    transmitProtocolItem(msg);
+}
+
+Response::ResponseCode Server_ProtocolHandler::processSessionCommandContainer(const CommandContainer &cont,
+                                                                              ResponseContainer &rc)
+{
+    Response::ResponseCode finalResponseCode = Response::RespOk;
+    for (int i = cont.session_command_size() - 1; i >= 0; --i) {
+        Response::ResponseCode resp = Response::RespInvalidCommand;
+        const SessionCommand &sc = cont.session_command(i);
+        const int num = getPbExtension(sc);
+        if (num != SessionCommand::PING) { // don't log ping commands
+            logDebugMessage(getSafeDebugString(sc));
+        }
+        switch ((SessionCommand::SessionCommandType)num) {
+            case SessionCommand::PING:
+                resp = cmdPing(sc.GetExtension(Command_Ping::ext), rc);
+                break;
+            case SessionCommand::LOGIN:
+                resp = cmdLogin(sc.GetExtension(Command_Login::ext), rc);
+                break;
+            case SessionCommand::MESSAGE:
+                resp = cmdMessage(sc.GetExtension(Command_Message::ext), rc);
+                break;
+            case SessionCommand::GET_GAMES_OF_USER:
+                resp = cmdGetGamesOfUser(sc.GetExtension(Command_GetGamesOfUser::ext), rc);
+                break;
+            case SessionCommand::GET_USER_INFO:
+                resp = cmdGetUserInfo(sc.GetExtension(Command_GetUserInfo::ext), rc);
+                break;
+            case SessionCommand::LIST_ROOMS:
+                resp = cmdListRooms(sc.GetExtension(Command_ListRooms::ext), rc);
+                break;
+            case SessionCommand::JOIN_ROOM:
+                resp = cmdJoinRoom(sc.GetExtension(Command_JoinRoom::ext), rc);
+                break;
+            case SessionCommand::LIST_USERS:
+                resp = cmdListUsers(sc.GetExtension(Command_ListUsers::ext), rc);
+                break;
+            default:
+                resp = processExtendedSessionCommand(num, sc, rc);
+        }
+        if (resp != Response::RespOk)
+            finalResponseCode = resp;
+    }
+    return finalResponseCode;
+}
+
+Response::ResponseCode Server_ProtocolHandler::processRoomCommandContainer(const CommandContainer &cont,
+                                                                           ResponseContainer &rc)
+{
+    if (authState == NotLoggedIn)
+        return Response::RespLoginNeeded;
+
+    QReadLocker locker(&server->roomsLock);
+    Server_Room *room = rooms.value(cont.room_id(), 0);
+    if (!room)
+        return Response::RespNotInRoom;
+
+    resetIdleTimer();
+
+    Response::ResponseCode finalResponseCode = Response::RespOk;
+    for (int i = cont.room_command_size() - 1; i >= 0; --i) {
+        Response::ResponseCode resp = Response::RespInvalidCommand;
+        const RoomCommand &sc = cont.room_command(i);
+        const int num = getPbExtension(sc);
+        logDebugMessage(getSafeDebugString(sc));
+        switch ((RoomCommand::RoomCommandType)num) {
+            case RoomCommand::LEAVE_ROOM:
+                resp = cmdLeaveRoom(sc.GetExtension(Command_LeaveRoom::ext), room, rc);
+                break;
+            case RoomCommand::ROOM_SAY:
+                resp = cmdRoomSay(sc.GetExtension(Command_RoomSay::ext), room, rc);
+                break;
+            case RoomCommand::CREATE_GAME:
+                resp = cmdCreateGame(sc.GetExtension(Command_CreateGame::ext), room, rc);
+                break;
+            case RoomCommand::JOIN_GAME:
+                resp = cmdJoinGame(sc.GetExtension(Command_JoinGame::ext), room, rc);
+                break;
+        }
+        if (resp != Response::RespOk)
+            finalResponseCode = resp;
+    }
+    return finalResponseCode;
+}
+
+Response::ResponseCode Server_ProtocolHandler::processGameCommandContainer(const CommandContainer &cont,
+                                                                           ResponseContainer &rc)
+{
+    static QList<GameCommand::GameCommandType> antifloodCommandsWhiteList =
+        QList<GameCommand::GameCommandType>()
+        // draw/undo card draw (example: drawing 10 cards one by one from the deck)
+        << GameCommand::DRAW_CARDS
+        << GameCommand::UNDO_DRAW
+        // create, delete arrows (example: targeting with 10 cards during an attack)
+        << GameCommand::CREATE_ARROW
+        << GameCommand::DELETE_ARROW
+        // set card attributes (example: tapping 10 cards at once)
+        << GameCommand::SET_CARD_ATTR
+        // increment / decrement counter (example: -10 life points one by one)
+        << GameCommand::INC_COUNTER
+        // mulling lots of hands in a row
+        << GameCommand::MULLIGAN
+        // allows a user to sideboard without receiving flooding message
+        << GameCommand::MOVE_CARD;
+
+    if (authState == NotLoggedIn)
+        return Response::RespLoginNeeded;
+
+    QMap<int, QPair<int, int>> gameMap = getGames();
+    if (!gameMap.contains(cont.game_id()))
+        return Response::RespNotInRoom;
+    const QPair<int, int> roomIdAndPlayerId = gameMap.value(cont.game_id());
+
+    QReadLocker roomsLocker(&server->roomsLock);
+    Server_Room *room = server->getRooms().value(roomIdAndPlayerId.first);
+    if (!room)
+        return Response::RespNotInRoom;
+
+    QReadLocker roomGamesLocker(&room->gamesLock);
+    Server_Game *game = room->getGames().value(cont.game_id());
+    if (!game) {
+        if (room->getExternalGames().contains(cont.game_id())) {
+            server->sendIsl_GameCommand(cont, room->getExternalGames().value(cont.game_id()).server_id(),
+                                        userInfo->session_id(), roomIdAndPlayerId.first, roomIdAndPlayerId.second);
+            return Response::RespNothing;
+        }
+        return Response::RespNotInRoom;
+    }
+
+    QMutexLocker gameLocker(&game->gameMutex);
+    auto *participant = game->getParticipants().value(roomIdAndPlayerId.second);
+    if (!participant)
+        return Response::RespNotInRoom;
+
+    resetIdleTimer();
+
+    int commandCountingInterval = server->getCommandCountingInterval();
+    int maxCommandCountPerInterval = server->getMaxCommandCountPerInterval();
+    GameEventStorage ges;
+    Response::ResponseCode finalResponseCode = Response::RespOk;
+    for (int i = cont.game_command_size() - 1; i >= 0; --i) {
+        const GameCommand &sc = cont.game_command(i);
+        logDebugMessage(QString("game %1 player %2: ").arg(cont.game_id()).arg(roomIdAndPlayerId.second) +
+                        getSafeDebugString(sc));
+
+        if (commandCountingInterval > 0) {
+            int totalCount = 0;
+            if (commandCountOverTime.isEmpty())
+                commandCountOverTime.prepend(0);
+
+            if (!antifloodCommandsWhiteList.contains((GameCommand::GameCommandType)getPbExtension(sc)))
+                ++commandCountOverTime[0];
+
+            for (int count : commandCountOverTime) {
+                totalCount += count;
+            }
+
+            if (maxCommandCountPerInterval > 0 && totalCount > maxCommandCountPerInterval) {
+                return Response::RespChatFlood;
+            }
+        }
+
+        Response::ResponseCode resp = participant->processGameCommand(sc, rc, ges);
+
+        if (resp != Response::RespOk)
+            finalResponseCode = resp;
+    }
+    ges.sendToGame(game);
+
+    return finalResponseCode;
+}
+
+Response::ResponseCode Server_ProtocolHandler::processModeratorCommandContainer(const CommandContainer &cont,
+                                                                                ResponseContainer &rc)
+{
+    if (!userInfo)
+        return Response::RespLoginNeeded;
+    if (!(userInfo->user_level() & ServerInfo_User::IsModerator))
+        return Response::RespLoginNeeded;
+
+    resetIdleTimer();
+
+    Response::ResponseCode finalResponseCode = Response::RespOk;
+    for (int i = cont.moderator_command_size() - 1; i >= 0; --i) {
+        Response::ResponseCode resp = Response::RespInvalidCommand;
+        const ModeratorCommand &sc = cont.moderator_command(i);
+        const int num = getPbExtension(sc);
+        logDebugMessage(getSafeDebugString(sc));
+
+        resp = processExtendedModeratorCommand(num, sc, rc);
+        if (resp != Response::RespOk)
+            finalResponseCode = resp;
+    }
+    return finalResponseCode;
+}
+
+Response::ResponseCode Server_ProtocolHandler::processAdminCommandContainer(const CommandContainer &cont,
+                                                                            ResponseContainer &rc)
+{
+    if (!userInfo)
+        return Response::RespLoginNeeded;
+    if (!(userInfo->user_level() & ServerInfo_User::IsAdmin))
+        return Response::RespLoginNeeded;
+
+    resetIdleTimer();
+
+    Response::ResponseCode finalResponseCode = Response::RespOk;
+    for (int i = cont.admin_command_size() - 1; i >= 0; --i) {
+        Response::ResponseCode resp = Response::RespInvalidCommand;
+        const AdminCommand &sc = cont.admin_command(i);
+        const int num = getPbExtension(sc);
+        logDebugMessage(getSafeDebugString(sc));
+
+        resp = processExtendedAdminCommand(num, sc, rc);
+        if (resp != Response::RespOk)
+            finalResponseCode = resp;
+    }
+    return finalResponseCode;
+}
+
+void Server_ProtocolHandler::processCommandContainer(const CommandContainer &cont)
+{
+    // Command processing must be disabled after prepareDestroy() has been called.
+    if (deleted)
+        return;
+
+    lastDataReceived = timeRunning;
+
+    ResponseContainer responseContainer(cont.has_cmd_id() ? cont.cmd_id() : -1);
+    Response::ResponseCode finalResponseCode;
+
+    if (cont.game_command_size())
+        finalResponseCode = processGameCommandContainer(cont, responseContainer);
+    else if (cont.room_command_size())
+        finalResponseCode = processRoomCommandContainer(cont, responseContainer);
+    else if (cont.session_command_size())
+        finalResponseCode = processSessionCommandContainer(cont, responseContainer);
+    else if (cont.moderator_command_size())
+        finalResponseCode = processModeratorCommandContainer(cont, responseContainer);
+    else if (cont.admin_command_size())
+        finalResponseCode = processAdminCommandContainer(cont, responseContainer);
+    else
+        finalResponseCode = Response::RespInvalidCommand;
+
+    if ((finalResponseCode != Response::RespNothing))
+        sendResponseContainer(responseContainer, finalResponseCode);
+}
+
+void Server_ProtocolHandler::pingClockTimeout()
+{
+
+    int cmdcountinterval = server->getCommandCountingInterval();
+    int msgcountinterval = server->getMessageCountingInterval();
+    int pingclockinterval = server->getClientKeepAlive();
+
+    int interval = server->getMessageCountingInterval();
+    if (interval > 0) {
+        if (pingclockinterval > 0) {
+            messageSizeOverTime.prepend(0);
+            if (messageSizeOverTime.size() > (msgcountinterval / pingclockinterval))
+                messageSizeOverTime.removeLast();
+            messageCountOverTime.prepend(0);
+            if (messageCountOverTime.size() > (msgcountinterval / pingclockinterval))
+                messageCountOverTime.removeLast();
+        }
+    }
+
+    interval = server->getCommandCountingInterval();
+    if (interval > 0) {
+        if (pingclockinterval > 0) {
+            commandCountOverTime.prepend(0);
+            if (commandCountOverTime.size() > (cmdcountinterval / pingclockinterval))
+                commandCountOverTime.removeLast();
+        }
+    }
+
+    if (timeRunning - lastDataReceived > server->getMaxPlayerInactivityTime())
+        prepareDestroy();
+
+    // PrivLevel users, Moderators, and Admins are not subject to the server idle timeout policy
+    const bool hasPrivLevel = userInfo && QString::fromStdString(userInfo->privlevel()).toLower() != "none";
+    const bool isModOrAdmin =
+        userInfo && (userInfo->user_level() & (ServerInfo_User::IsModerator | ServerInfo_User::IsAdmin));
+    if (!hasPrivLevel && !isModOrAdmin) {
+        if ((server->getIdleClientTimeout() > 0) && (idleClientWarningSent)) {
+            if (timeRunning - lastActionReceived > server->getIdleClientTimeout()) {
+                prepareDestroy();
+            }
+        }
+
+        if (((timeRunning - lastActionReceived) >= qCeil(server->getIdleClientTimeout() * .9)) &&
+            (!idleClientWarningSent) && (server->getIdleClientTimeout() > 0)) {
+            Event_NotifyUser event;
+            event.set_type(Event_NotifyUser::IDLEWARNING);
+            SessionEvent *se = prepareSessionEvent(event);
+            sendProtocolItem(*se);
+            delete se;
+            idleClientWarningSent = true;
+        }
+    }
+
+    ++timeRunning;
+}
+
+Response::ResponseCode Server_ProtocolHandler::cmdPing(const Command_Ping & /*cmd*/, ResponseContainer & /*rc*/)
+{
+    return Response::RespOk;
+}
+
+Response::ResponseCode Server_ProtocolHandler::cmdLogin(const Command_Login &cmd, ResponseContainer &rc)
+{
+    QString userName = nameFromStdString(cmd.user_name()).simplified();
+    QString clientId = nameFromStdString(cmd.clientid()).simplified();
+    QString clientVersion = nameFromStdString(cmd.clientver()).simplified();
+    QString password;
+    bool needsHash = false;
+    if (cmd.has_password()) {
+        if (cmd.password().length() > MAX_NAME_LENGTH)
+            return Response::RespWrongPassword;
+        password = QString::fromStdString(cmd.password());
+        needsHash = true;
+    } else if (cmd.hashed_password().length() > MAX_NAME_LENGTH) {
+        return Response::RespContextError;
+    } else {
+        password = nameFromStdString(cmd.hashed_password());
+    }
+
+    if (userInfo != 0) {
+        return Response::RespContextError;
+    }
+
+    // check client feature set against server feature set
+    FeatureSet features;
+    QMap<QString, bool> receivedClientFeatures;
+    QMap<QString, bool> missingClientFeatures;
+
+    int featureCount = qMin(cmd.clientfeatures().size(), MAX_NAME_LENGTH);
+    for (int i = 0; i < featureCount; ++i) {
+        receivedClientFeatures.insert(nameFromStdString(cmd.clientfeatures(i)).simplified(), false);
+    }
+
+    missingClientFeatures =
+        features.identifyMissingFeatures(receivedClientFeatures, server->getServerRequiredFeatureList());
+
+    if (!missingClientFeatures.isEmpty()) {
+        if (features.isRequiredFeaturesMissing(missingClientFeatures, server->getServerRequiredFeatureList())) {
+            Response_Login *re = new Response_Login;
+            re->set_denied_reason_str("Client upgrade required");
+            QMap<QString, bool>::iterator i;
+            for (i = missingClientFeatures.begin(); i != missingClientFeatures.end(); ++i) {
+                re->add_missing_features(i.key().toStdString().c_str());
+            }
+            rc.setResponseExtension(re);
+            return Response::RespClientUpdateRequired;
+        }
+    }
+
+    QString reasonStr;
+    int banSecondsLeft = 0;
+    QString connectionType = getConnectionType();
+    AuthenticationResult res = server->loginUser(this, userName, password, needsHash, reasonStr, banSecondsLeft,
+                                                 clientId, clientVersion, connectionType);
+    switch (res) {
+        case UserIsBanned: {
+            Response_Login *re = new Response_Login;
+            re->set_denied_reason_str(reasonStr.toStdString());
+            if (banSecondsLeft != 0)
+                re->set_denied_end_time(QDateTime::currentDateTime().addSecs(banSecondsLeft).toSecsSinceEpoch());
+            rc.setResponseExtension(re);
+            return Response::RespUserIsBanned;
+        }
+        case NotLoggedIn:
+            return Response::RespWrongPassword;
+        case WouldOverwriteOldSession:
+            return Response::RespWouldOverwriteOldSession;
+        case UsernameInvalid: {
+            Response_Login *re = new Response_Login;
+            re->set_denied_reason_str(reasonStr.toStdString());
+            rc.setResponseExtension(re);
+            return Response::RespUsernameInvalid;
+        }
+        case RegistrationRequired:
+            return Response::RespRegistrationRequired;
+        case ClientIdRequired:
+            return Response::RespClientIdRequired;
+        case UserIsInactive:
+            return Response::RespAccountNotActivated;
+        default:
+            authState = res;
+            usingRealPassword = needsHash;
+    }
+
+    // limit the number of non-privileged users that can connect to the server based on configuration settings
+    if (!userInfo || QString::fromStdString(userInfo->privlevel()).toLower() == "none") {
+        if (server->getMaxUserLimitEnabled()) {
+            if (server->getUsersCount() > server->getMaxUserTotal()) {
+                qDebug() << "Max Users Total Limit Reached, please increase the max_users_total setting.";
+                return Response::RespServerFull;
+            }
+        }
+    }
+
+    userName = QString::fromStdString(userInfo->name());
+    Event_ServerMessage event;
+    event.set_message(server->getLoginMessage().toStdString());
+    rc.enqueuePostResponseItem(ServerMessage::SESSION_EVENT, prepareSessionEvent(event));
+
+    Response_Login *re = new Response_Login;
+    re->mutable_user_info()->CopyFrom(copyUserInfo(true));
+
+    if (authState == PasswordRight) {
+        QMapIterator<QString, ServerInfo_User> buddyIterator(databaseInterface->getBuddyList(userName));
+        while (buddyIterator.hasNext())
+            re->add_buddy_list()->CopyFrom(buddyIterator.next().value());
+
+        QMapIterator<QString, ServerInfo_User> ignoreIterator(databaseInterface->getIgnoreList(userName));
+        while (ignoreIterator.hasNext())
+            re->add_ignore_list()->CopyFrom(ignoreIterator.next().value());
+    }
+
+    // return to client any missing features the server has that the client does not
+    if (!missingClientFeatures.isEmpty()) {
+        QMap<QString, bool>::iterator i;
+        for (i = missingClientFeatures.begin(); i != missingClientFeatures.end(); ++i)
+            re->add_missing_features(i.key().toStdString().c_str());
+    }
+
+    joinPersistentGames(rc);
+    databaseInterface->removeForgotPassword(userName);
+    rc.setResponseExtension(re);
+    return Response::RespOk;
+}
+
+Response::ResponseCode Server_ProtocolHandler::cmdMessage(const Command_Message &cmd, ResponseContainer &rc)
+{
+    if (authState == NotLoggedIn)
+        return Response::RespLoginNeeded;
+
+    QReadLocker locker(&server->clientsLock);
+
+    QString receiver = nameFromStdString(cmd.user_name());
+    Server_AbstractUserInterface *userInterface = server->findUser(receiver);
+    if (!userInterface) {
+        return Response::RespNameNotFound;
+    }
+    if (databaseInterface->isInIgnoreList(receiver, QString::fromStdString(userInfo->name()))) {
+        return Response::RespInIgnoreList;
+    }
+    if (!addSaidMessageSize(static_cast<int>(cmd.message().size()))) {
+        return Response::RespChatFlood;
+    }
+
+    Event_UserMessage event;
+    event.set_sender_name(userInfo->name());
+    event.set_receiver_name(receiver.toStdString());
+    event.set_message(cmd.message());
+
+    SessionEvent *se = prepareSessionEvent(event);
+    userInterface->sendProtocolItem(*se);
+    rc.enqueuePreResponseItem(ServerMessage::SESSION_EVENT, se);
+
+    databaseInterface->logMessage(userInfo->id(), QString::fromStdString(userInfo->name()),
+                                  QString::fromStdString(userInfo->address()), QString::fromStdString(cmd.message()),
+                                  Server_DatabaseInterface::MessageTargetChat, userInterface->getUserInfo()->id(),
+                                  receiver);
+    resetIdleTimer();
+    return Response::RespOk;
+}
+
+Response::ResponseCode Server_ProtocolHandler::cmdGetGamesOfUser(const Command_GetGamesOfUser &cmd,
+                                                                 ResponseContainer &rc)
+{
+    if (authState == NotLoggedIn)
+        return Response::RespLoginNeeded;
+
+    // Do not show games to someone on the ignore list of that user, except for mods
+    QString target_user = nameFromStdString(cmd.user_name());
+    Server_AbstractUserInterface *userInterface = server->findUser(target_user);
+    if (!userInterface) {
+        return Response::RespNameNotFound;
+    }
+    if (!(userInfo->user_level() & (ServerInfo_User::IsModerator | ServerInfo_User::IsAdmin)) &&
+        databaseInterface->isInIgnoreList(target_user, QString::fromStdString(userInfo->name()))) {
+        return Response::RespInIgnoreList;
+    }
+
+    // We don't need to check whether the user is logged in; persistent games should also work.
+    // The client needs to deal with an empty result list.
+
+    Response_GetGamesOfUser *re = new Response_GetGamesOfUser;
+    server->roomsLock.lockForRead();
+    QMapIterator<int, Server_Room *> roomIterator(server->getRooms());
+    while (roomIterator.hasNext()) {
+        Server_Room *room = roomIterator.next().value();
+        room->gamesLock.lockForRead();
+        room->getInfo(*re->add_room_list(), false, true);
+        QListIterator<ServerInfo_Game> gameIterator(room->getGamesOfUser(nameFromStdString(cmd.user_name())));
+        while (gameIterator.hasNext())
+            re->add_game_list()->CopyFrom(gameIterator.next());
+        room->gamesLock.unlock();
+    }
+    server->roomsLock.unlock();
+
+    rc.setResponseExtension(re);
+    return Response::RespOk;
+}
+
+Response::ResponseCode Server_ProtocolHandler::cmdGetUserInfo(const Command_GetUserInfo &cmd, ResponseContainer &rc)
+{
+    if (authState == NotLoggedIn)
+        return Response::RespLoginNeeded;
+
+    QString userName = nameFromStdString(cmd.user_name());
+    Response_GetUserInfo *re = new Response_GetUserInfo;
+    if (userName.isEmpty())
+        re->mutable_user_info()->CopyFrom(*userInfo);
+    else {
+
+        QReadLocker locker(&server->clientsLock);
+
+        ServerInfo_User_Container *infoSource = server->findUser(userName);
+        if (!infoSource) {
+            re->mutable_user_info()->CopyFrom(databaseInterface->getUserData(userName, true));
+        } else {
+            re->mutable_user_info()->CopyFrom(
+                infoSource->copyUserInfo(true, false, userInfo->user_level() & ServerInfo_User::IsModerator));
+        }
+    }
+
+    rc.setResponseExtension(re);
+    return Response::RespOk;
+}
+
+Response::ResponseCode Server_ProtocolHandler::cmdListRooms(const Command_ListRooms & /*cmd*/, ResponseContainer &rc)
+{
+    if (authState == NotLoggedIn)
+        return Response::RespLoginNeeded;
+
+    Event_ListRooms event;
+    QMapIterator<int, Server_Room *> roomIterator(server->getRooms());
+    while (roomIterator.hasNext())
+        roomIterator.next().value()->getInfo(*event.add_room_list(), false);
+    rc.enqueuePreResponseItem(ServerMessage::SESSION_EVENT, prepareSessionEvent(event));
+
+    acceptsRoomListChanges = true;
+    return Response::RespOk;
+}
+
+Response::ResponseCode Server_ProtocolHandler::cmdJoinRoom(const Command_JoinRoom &cmd, ResponseContainer &rc)
+{
+    if (authState == NotLoggedIn)
+        return Response::RespLoginNeeded;
+
+    if (rooms.contains(cmd.room_id()))
+        return Response::RespContextError;
+
+    QReadLocker serverLocker(&server->roomsLock);
+    Server_Room *room = server->getRooms().value(cmd.room_id(), 0);
+    if (!room)
+        return Response::RespNameNotFound;
+
+    if (!(userInfo->user_level() & ServerInfo_User::IsModerator))
+        if (!(room->userMayJoin(*userInfo)))
+            return Response::RespUserLevelTooLow;
+
+    room->addClient(this);
+    rooms.insert(room->getId(), room);
+
+    QReadLocker chatHistoryLocker(&room->historyLock);
+    QList<ServerInfo_ChatMessage> chatHistory = room->getChatHistory();
+    ServerInfo_ChatMessage chatMessage;
+    for (int i = 0; i < chatHistory.size(); ++i) {
+        chatMessage = chatHistory.at(i);
+        Event_RoomSay roomChatHistory;
+        roomChatHistory.set_message(chatMessage.sender_name() + ": " + chatMessage.message());
+        roomChatHistory.set_message_type(Event_RoomSay::ChatHistory);
+        roomChatHistory.set_time_of(
+            QDateTime::fromString(QString::fromStdString(chatMessage.time())).toMSecsSinceEpoch());
+        rc.enqueuePostResponseItem(ServerMessage::ROOM_EVENT, room->prepareRoomEvent(roomChatHistory));
+    }
+
+    Event_RoomSay joinMessageEvent;
+    joinMessageEvent.set_message(room->getJoinMessage().toStdString());
+    joinMessageEvent.set_message_type(Event_RoomSay::Welcome);
+    rc.enqueuePostResponseItem(ServerMessage::ROOM_EVENT, room->prepareRoomEvent(joinMessageEvent));
+
+    Response_JoinRoom *re = new Response_JoinRoom;
+    room->getInfo(*re->mutable_room_info(), true);
+
+    rc.setResponseExtension(re);
+    return Response::RespOk;
+}
+
+Response::ResponseCode Server_ProtocolHandler::cmdListUsers(const Command_ListUsers & /*cmd*/, ResponseContainer &rc)
+{
+    if (authState == NotLoggedIn)
+        return Response::RespLoginNeeded;
+
+    Response_ListUsers *re = new Response_ListUsers;
+    server->clientsLock.lockForRead();
+    QMapIterator<QString, Server_ProtocolHandler *> userIterator = server->getUsers();
+    while (userIterator.hasNext())
+        re->add_user_list()->CopyFrom(userIterator.next().value()->copyUserInfo(false));
+    QMapIterator<QString, Server_AbstractUserInterface *> extIterator = server->getExternalUsers();
+    while (extIterator.hasNext())
+        re->add_user_list()->CopyFrom(extIterator.next().value()->copyUserInfo(false));
+
+    acceptsUserListChanges = true;
+    server->clientsLock.unlock();
+
+    rc.setResponseExtension(re);
+    return Response::RespOk;
+}
+
+Response::ResponseCode
+Server_ProtocolHandler::cmdLeaveRoom(const Command_LeaveRoom & /*cmd*/, Server_Room *room, ResponseContainer & /*rc*/)
+{
+    rooms.remove(room->getId());
+    room->removeClient(this);
+    return Response::RespOk;
+}
+
+bool Server_ProtocolHandler::addSaidMessageSize(int size)
+{
+    if (server->getMessageCountingInterval() <= 0) {
+        return true;
+    }
+
+    int totalSize = 0, totalCount = 0;
+    if (messageSizeOverTime.isEmpty()) {
+        messageSizeOverTime.prepend(0);
+    }
+
+    messageSizeOverTime[0] += size;
+    for (int messageSize : messageSizeOverTime) {
+        totalSize += messageSize;
+    }
+
+    if (messageCountOverTime.isEmpty()) {
+        messageCountOverTime.prepend(0);
+    }
+
+    messageCountOverTime[0] += 1;
+    for (int messageCount : messageCountOverTime) {
+        totalCount += messageCount;
+    }
+
+    return totalSize <= server->getMaxMessageSizePerInterval() && totalCount <= server->getMaxMessageCountPerInterval();
+}
+
+Response::ResponseCode
+Server_ProtocolHandler::cmdRoomSay(const Command_RoomSay &cmd, Server_Room *room, ResponseContainer & /*rc*/)
+{
+    if (!addSaidMessageSize(static_cast<int>(cmd.message().size()))) {
+        return Response::RespChatFlood;
+    }
+    QString msg = QString::fromStdString(cmd.message());
+
+    msg.replace(QChar('\n'), QChar(' '));
+
+    room->say(QString::fromStdString(userInfo->name()), msg);
+
+    databaseInterface->logMessage(userInfo->id(), QString::fromStdString(userInfo->name()),
+                                  QString::fromStdString(userInfo->address()), msg,
+                                  Server_DatabaseInterface::MessageTargetRoom, room->getId(), room->getName());
+
+    return Response::RespOk;
+}
+
+Response::ResponseCode
+Server_ProtocolHandler::cmdCreateGame(const Command_CreateGame &cmd, Server_Room *room, ResponseContainer &rc)
+{
+    if (authState == NotLoggedIn)
+        return Response::RespLoginNeeded;
+    if (cmd.password().length() > MAX_NAME_LENGTH)
+        return Response::RespContextError;
+
+    auto level = userInfo->user_level();
+    bool isJudge = level & ServerInfo_User::IsJudge;
+    int maxGames = server->getMaxGamesPerUser();
+    bool asJudge = cmd.join_as_judge();
+    bool asSpectator = cmd.join_as_spectator();
+    // allow judges to open games as spectator without limit to facilitate bots etc, -1 means no limit
+    if (!(isJudge && asJudge && asSpectator) && maxGames >= 0 &&
+        room->getGamesCreatedByUser(QString::fromStdString(userInfo->name())) >= maxGames) {
+        return Response::RespContextError;
+    }
+
+    // if a non judge user tries to create a game as judge while not permitted, instead create a normal game
+    if (asJudge && !(server->permitCreateGameAsJudge() || isJudge)) {
+        asJudge = false;
+    }
+
+    QList<int> gameTypes;
+    int gameTypeCount = qMin(cmd.game_type_ids().size(), MAX_NAME_LENGTH);
+    for (int i = 0; i < gameTypeCount; ++i) { // the client actually only sends one of these
+        gameTypes.append(cmd.game_type_ids(i));
+    }
+
+    QString description = nameFromStdString(cmd.description());
+    int startingLifeTotal = cmd.has_starting_life_total() ? cmd.starting_life_total() : 20;
+
+    bool shareDecklistsOnLoad = cmd.has_share_decklists_on_load() ? cmd.share_decklists_on_load() : false;
+
+    const int gameId = databaseInterface->getNextGameId();
+    if (gameId == -1) {
+        return Response::RespInternalError;
+    }
+
+    // When server doesn't permit registered users to exist, do not honor only-reg setting
+    bool onlyRegisteredUsers = cmd.only_registered() && (server->permitUnregisteredUsers());
+    Server_Game *game = new Server_Game(
+        copyUserInfo(false), gameId, description, QString::fromStdString(cmd.password()), cmd.max_players(), gameTypes,
+        cmd.only_buddies(), onlyRegisteredUsers, cmd.spectators_allowed(), cmd.spectators_need_password(),
+        cmd.spectators_can_talk(), cmd.spectators_see_everything(), startingLifeTotal, shareDecklistsOnLoad, room);
+
+    game->addPlayer(this, rc, asSpectator, asJudge, false);
+    room->addGame(game);
+
+    return Response::RespOk;
+}
+
+Response::ResponseCode
+Server_ProtocolHandler::cmdJoinGame(const Command_JoinGame &cmd, Server_Room *room, ResponseContainer &rc)
+{
+    if (authState == NotLoggedIn)
+        return Response::RespLoginNeeded;
+
+    return room->processJoinGameCommand(cmd, rc, this);
+}
+
+void Server_ProtocolHandler::resetIdleTimer()
+{
+    lastActionReceived = timeRunning;
+    idleClientWarningSent = false;
+}

common/server/server_protocolhandler.h

@@ -0,0 +1,141 @@
+#ifndef SERVER_PROTOCOLHANDLER_H
+#define SERVER_PROTOCOLHANDLER_H
+
+#include "pb/response.pb.h"
+#include "pb/server_message.pb.h"
+#include "server.h"
+#include "server_abstractuserinterface.h"
+
+#include <QObject>
+#include <QPair>
+
+class Features;
+class Server_DatabaseInterface;
+class Server_Player;
+class ServerInfo_User;
+class Server_Room;
+class QTimer;
+class FeatureSet;
+
+class ServerMessage;
+class Response;
+class SessionEvent;
+class GameEventContainer;
+class RoomEvent;
+class ResponseContainer;
+
+class CommandContainer;
+class SessionCommand;
+class ModeratorCommand;
+class AdminCommand;
+
+class Command_Ping;
+class Command_Login;
+class Command_Register;
+class Command_Message;
+class Command_ListUsers;
+class Command_GetGamesOfUser;
+class Command_GetUserInfo;
+class Command_ListRooms;
+class Command_JoinRoom;
+class Command_LeaveRoom;
+class Command_RoomSay;
+class Command_CreateGame;
+class Command_JoinGame;
+
+class Server_ProtocolHandler : public QObject, public Server_AbstractUserInterface
+{
+    Q_OBJECT
+protected:
+    QMap<int, Server_Room *> rooms;
+
+    bool deleted;
+    Server_DatabaseInterface *databaseInterface;
+    AuthenticationResult authState;
+    bool usingRealPassword;
+    bool acceptsUserListChanges;
+    bool acceptsRoomListChanges;
+    bool idleClientWarningSent;
+    virtual void logDebugMessage(const QString & /* message */)
+    {
+    }
+
+private:
+    QList<int> messageSizeOverTime, messageCountOverTime, commandCountOverTime;
+    int timeRunning, lastDataReceived, lastActionReceived;
+
+    virtual void transmitProtocolItem(const ServerMessage &item) = 0;
+
+    Response::ResponseCode cmdPing(const Command_Ping &cmd, ResponseContainer &rc);
+    Response::ResponseCode cmdLogin(const Command_Login &cmd, ResponseContainer &rc);
+    Response::ResponseCode cmdMessage(const Command_Message &cmd, ResponseContainer &rc);
+    Response::ResponseCode cmdGetGamesOfUser(const Command_GetGamesOfUser &cmd, ResponseContainer &rc);
+    Response::ResponseCode cmdGetUserInfo(const Command_GetUserInfo &cmd, ResponseContainer &rc);
+    Response::ResponseCode cmdListRooms(const Command_ListRooms &cmd, ResponseContainer &rc);
+    Response::ResponseCode cmdJoinRoom(const Command_JoinRoom &cmd, ResponseContainer &rc);
+    Response::ResponseCode cmdListUsers(const Command_ListUsers &cmd, ResponseContainer &rc);
+    Response::ResponseCode cmdLeaveRoom(const Command_LeaveRoom &cmd, Server_Room *room, ResponseContainer &rc);
+    Response::ResponseCode cmdRoomSay(const Command_RoomSay &cmd, Server_Room *room, ResponseContainer &rc);
+    Response::ResponseCode cmdCreateGame(const Command_CreateGame &cmd, Server_Room *room, ResponseContainer &rc);
+    Response::ResponseCode cmdJoinGame(const Command_JoinGame &cmd, Server_Room *room, ResponseContainer &rc);
+
+    Response::ResponseCode processSessionCommandContainer(const CommandContainer &cont, ResponseContainer &rc);
+    virtual Response::ResponseCode
+    processExtendedSessionCommand(int /* cmdType */, const SessionCommand & /* cmd */, ResponseContainer & /* rc */)
+    {
+        return Response::RespFunctionNotAllowed;
+    }
+    Response::ResponseCode processRoomCommandContainer(const CommandContainer &cont, ResponseContainer &rc);
+    Response::ResponseCode processGameCommandContainer(const CommandContainer &cont, ResponseContainer &rc);
+    Response::ResponseCode processModeratorCommandContainer(const CommandContainer &cont, ResponseContainer &rc);
+    virtual Response::ResponseCode
+    processExtendedModeratorCommand(int /* cmdType */, const ModeratorCommand & /* cmd */, ResponseContainer & /* rc */)
+    {
+        return Response::RespFunctionNotAllowed;
+    }
+    Response::ResponseCode processAdminCommandContainer(const CommandContainer &cont, ResponseContainer &rc);
+    virtual Response::ResponseCode
+    processExtendedAdminCommand(int /* cmdType */, const AdminCommand & /* cmd */, ResponseContainer & /* rc */)
+    {
+        return Response::RespFunctionNotAllowed;
+    }
+
+    void resetIdleTimer();
+private slots:
+    void pingClockTimeout();
+public slots:
+    void prepareDestroy();
+
+public:
+    Server_ProtocolHandler(Server *_server, Server_DatabaseInterface *_databaseInterface, QObject *parent = 0);
+    ~Server_ProtocolHandler();
+
+    bool getAcceptsUserListChanges() const
+    {
+        return acceptsUserListChanges;
+    }
+    bool getAcceptsRoomListChanges() const
+    {
+        return acceptsRoomListChanges;
+    }
+    virtual QString getAddress() const = 0;
+    virtual QString getConnectionType() const = 0;
+    Server_DatabaseInterface *getDatabaseInterface() const
+    {
+        return databaseInterface;
+    }
+
+    int getLastCommandTime() const
+    {
+        return timeRunning - lastDataReceived;
+    }
+    bool addSaidMessageSize(int size);
+    void processCommandContainer(const CommandContainer &cont);
+
+    void sendProtocolItem(const Response &item);
+    void sendProtocolItem(const SessionEvent &item);
+    void sendProtocolItem(const GameEventContainer &item);
+    void sendProtocolItem(const RoomEvent &item);
+};
+
+#endif

common/server/server_remoteuserinterface.cpp

@@ -0,0 +1,24 @@
+#include "server_remoteuserinterface.h"
+
+#include "pb/serverinfo_user.pb.h"
+#include "server.h"
+
+void Server_RemoteUserInterface::sendProtocolItem(const Response &item)
+{
+    server->sendIsl_Response(item, userInfo->server_id(), userInfo->session_id());
+}
+
+void Server_RemoteUserInterface::sendProtocolItem(const SessionEvent &item)
+{
+    server->sendIsl_SessionEvent(item, userInfo->server_id(), userInfo->session_id());
+}
+
+void Server_RemoteUserInterface::sendProtocolItem(const GameEventContainer &item)
+{
+    server->sendIsl_GameEventContainer(item, userInfo->server_id(), userInfo->session_id());
+}
+
+void Server_RemoteUserInterface::sendProtocolItem(const RoomEvent &item)
+{
+    server->sendIsl_RoomEvent(item, userInfo->server_id(), userInfo->session_id());
+}

common/server/server_remoteuserinterface.h

@@ -0,0 +1,29 @@
+#ifndef SERVER_REMOTEUSERINTERFACE_H
+#define SERVER_REMOTEUSERINTERFACE_H
+
+#include "server_abstractuserinterface.h"
+
+class Server_RemoteUserInterface : public Server_AbstractUserInterface
+{
+public:
+    Server_RemoteUserInterface(Server *_server, const ServerInfo_User_Container &_userInfoContainer)
+        : Server_AbstractUserInterface(_server, _userInfoContainer)
+    {
+    }
+
+    int getLastCommandTime() const
+    {
+        return 0;
+    }
+    bool addSaidMessageSize(int /*size*/)
+    {
+        return true;
+    }
+
+    void sendProtocolItem(const Response &item);
+    void sendProtocolItem(const SessionEvent &item);
+    void sendProtocolItem(const GameEventContainer &item);
+    void sendProtocolItem(const RoomEvent &item);
+};
+
+#endif

common/server/server_response_containers.cpp

@@ -0,0 +1,95 @@
+#include "server_response_containers.h"
+
+#include "game/server_game.h"
+
+#include <google/protobuf/descriptor.h>
+
+GameEventStorageItem::GameEventStorageItem(const ::google::protobuf::Message &_event,
+                                           int _playerId,
+                                           EventRecipients _recipients)
+    : event(new GameEvent), recipients(_recipients)
+{
+    event->GetReflection()->MutableMessage(event, _event.GetDescriptor()->FindExtensionByName("ext"))->CopyFrom(_event);
+    event->set_player_id(_playerId);
+}
+
+GameEventStorageItem::~GameEventStorageItem()
+{
+    delete event;
+}
+
+GameEventStorage::GameEventStorage() : gameEventContext(0), privatePlayerId(0)
+{
+}
+
+GameEventStorage::~GameEventStorage()
+{
+    delete gameEventContext;
+    for (int i = 0; i < gameEventList.size(); ++i)
+        delete gameEventList[i];
+}
+
+void GameEventStorage::setGameEventContext(const ::google::protobuf::Message &_gameEventContext)
+{
+    delete gameEventContext;
+    gameEventContext = new GameEventContext;
+    gameEventContext->GetReflection()
+        ->MutableMessage(gameEventContext, _gameEventContext.GetDescriptor()->FindExtensionByName("ext"))
+        ->CopyFrom(_gameEventContext);
+}
+
+void GameEventStorage::enqueueGameEvent(const ::google::protobuf::Message &event,
+                                        int playerId,
+                                        GameEventStorageItem::EventRecipients recipients,
+                                        int _privatePlayerId)
+{
+    gameEventList.append(new GameEventStorageItem(event, playerId, recipients));
+    if (_privatePlayerId != -1)
+        privatePlayerId = _privatePlayerId;
+}
+
+void GameEventStorage::sendToGame(Server_Game *game)
+{
+    if (gameEventList.isEmpty())
+        return;
+
+    auto *contPrivate = new GameEventContainer;
+    auto *contOthers = new GameEventContainer;
+    int id = privatePlayerId;
+    if (forcedByJudge != -1) {
+        contPrivate->set_forced_by_judge(forcedByJudge);
+        contOthers->set_forced_by_judge(forcedByJudge);
+        if (overwriteOwnership) {
+            id = forcedByJudge;
+            setOverwriteOwnership(false);
+        }
+    }
+
+    for (const auto &i : gameEventList) {
+        const GameEvent &event = i->getGameEvent();
+        const GameEventStorageItem::EventRecipients recipients = i->getRecipients();
+        if (recipients.testFlag(GameEventStorageItem::SendToPrivate))
+            contPrivate->add_event_list()->CopyFrom(event);
+        if (recipients.testFlag(GameEventStorageItem::SendToOthers))
+            contOthers->add_event_list()->CopyFrom(event);
+    }
+    if (gameEventContext) {
+        contPrivate->mutable_context()->CopyFrom(*gameEventContext);
+        contOthers->mutable_context()->CopyFrom(*gameEventContext);
+    }
+    game->sendGameEventContainer(contPrivate, GameEventStorageItem::SendToPrivate, id);
+    game->sendGameEventContainer(contOthers, GameEventStorageItem::SendToOthers, id);
+}
+
+ResponseContainer::ResponseContainer(int _cmdId) : cmdId(_cmdId), responseExtension(0)
+{
+}
+
+ResponseContainer::~ResponseContainer()
+{
+    delete responseExtension;
+    for (int i = 0; i < preResponseQueue.size(); ++i)
+        delete preResponseQueue[i].second;
+    for (int i = 0; i < postResponseQueue.size(); ++i)
+        delete postResponseQueue[i].second;
+}

common/server/server_response_containers.h

@@ -0,0 +1,130 @@
+#ifndef SERVER_RESPONSE_CONTAINERS_H
+#define SERVER_RESPONSE_CONTAINERS_H
+
+#include "pb/server_message.pb.h"
+
+#include <QList>
+#include <QPair>
+
+namespace google
+{
+namespace protobuf
+{
+class Message;
+}
+} // namespace google
+class Server_Game;
+
+class GameEventStorageItem
+{
+public:
+    enum EventRecipient
+    {
+        SendToPrivate = 0x01,
+        SendToOthers = 0x02
+    };
+    Q_DECLARE_FLAGS(EventRecipients, EventRecipient)
+private:
+    GameEvent *event;
+    EventRecipients recipients;
+
+public:
+    GameEventStorageItem(const ::google::protobuf::Message &_event, int _playerId, EventRecipients _recipients);
+    ~GameEventStorageItem();
+
+    const GameEvent &getGameEvent() const
+    {
+        return *event;
+    }
+    EventRecipients getRecipients() const
+    {
+        return recipients;
+    }
+};
+Q_DECLARE_OPERATORS_FOR_FLAGS(GameEventStorageItem::EventRecipients)
+
+class GameEventStorage
+{
+private:
+    ::google::protobuf::Message *gameEventContext;
+    QList<GameEventStorageItem *> gameEventList;
+    int privatePlayerId;
+    int forcedByJudge = -1;
+    bool overwriteOwnership = false;
+
+public:
+    GameEventStorage();
+    ~GameEventStorage();
+
+    void setGameEventContext(const ::google::protobuf::Message &_gameEventContext);
+    ::google::protobuf::Message *getGameEventContext() const
+    {
+        return gameEventContext;
+    }
+    const QList<GameEventStorageItem *> &getGameEventList() const
+    {
+        return gameEventList;
+    }
+    int getPrivatePlayerId() const
+    {
+        return privatePlayerId;
+    }
+    void setForcedByJudge(int playerId)
+    {
+        forcedByJudge = playerId;
+    }
+    void setOverwriteOwnership(bool shouldOverwriteOwnership)
+    {
+        overwriteOwnership = shouldOverwriteOwnership;
+    }
+
+    void enqueueGameEvent(const ::google::protobuf::Message &event,
+                          int playerId,
+                          GameEventStorageItem::EventRecipients recipients = GameEventStorageItem::SendToPrivate |
+                                                                             GameEventStorageItem::SendToOthers,
+                          int _privatePlayerId = -1);
+    void sendToGame(Server_Game *game);
+};
+
+class ResponseContainer
+{
+private:
+    int cmdId;
+    ::google::protobuf::Message *responseExtension;
+    QList<QPair<ServerMessage::MessageType, ::google::protobuf::Message *>> preResponseQueue, postResponseQueue;
+
+public:
+    ResponseContainer(int _cmdId);
+    ~ResponseContainer();
+
+    int getCmdId() const
+    {
+        return cmdId;
+    }
+    void setResponseExtension(::google::protobuf::Message *_responseExtension)
+    {
+        responseExtension = _responseExtension;
+    }
+    ::google::protobuf::Message *getResponseExtension() const
+    {
+        return responseExtension;
+    }
+    void enqueuePreResponseItem(ServerMessage::MessageType type, ::google::protobuf::Message *item)
+    {
+        preResponseQueue.append(qMakePair(type, item));
+    }
+    void enqueuePostResponseItem(ServerMessage::MessageType type, ::google::protobuf::Message *item)
+    {
+        postResponseQueue.append(qMakePair(type, item));
+    }
+    const QList<QPair<ServerMessage::MessageType, ::google::protobuf::Message *>> &getPreResponseQueue() const
+    {
+        return preResponseQueue;
+    }
+    const QList<QPair<ServerMessage::MessageType, ::google::protobuf::Message *>> &getPostResponseQueue() const
+    {
+        return postResponseQueue;
+    }
+};
+
+#endif

common/server/server_room.cpp

@@ -0,0 +1,429 @@
+#include "server_room.h"
+
+#include "../trice_limits.h"
+#include "game/server_game.h"
+#include "pb/commands.pb.h"
+#include "pb/event_join_room.pb.h"
+#include "pb/event_leave_room.pb.h"
+#include "pb/event_list_games.pb.h"
+#include "pb/event_remove_messages.pb.h"
+#include "pb/event_room_say.pb.h"
+#include "pb/room_commands.pb.h"
+#include "pb/serverinfo_chat_message.pb.h"
+#include "pb/serverinfo_room.pb.h"
+#include "server_protocolhandler.h"
+
+#include <QDateTime>
+#include <QDebug>
+#include <google/protobuf/descriptor.h>
+
+Server_Room::Server_Room(int _id,
+                         int _chatHistorySize,
+                         const QString &_name,
+                         const QString &_description,
+                         const QString &_permissionLevel,
+                         const QString &_privilegeLevel,
+                         bool _autoJoin,
+                         const QString &_joinMessage,
+                         const QStringList &_gameTypes,
+                         Server *parent)
+    : QObject(parent), id(_id), chatHistorySize(_chatHistorySize), name(_name), description(_description),
+      permissionLevel(_permissionLevel), privilegeLevel(_privilegeLevel), autoJoin(_autoJoin),
+      joinMessage(_joinMessage), gameTypes(_gameTypes), gamesLock(QReadWriteLock::Recursive)
+{
+    connect(
+        this, &Server_Room::gameListChanged, this, [this](auto gameInfo) { broadcastGameListUpdate(gameInfo); },
+        Qt::QueuedConnection);
+}
+
+Server_Room::~Server_Room()
+{
+    qDebug("Server_Room destructor");
+
+    gamesLock.lockForWrite();
+    const QList<Server_Game *> gameList = games.values();
+    for (int i = 0; i < gameList.size(); ++i)
+        delete gameList[i];
+    games.clear();
+    gamesLock.unlock();
+
+    usersLock.lockForWrite();
+    users.clear();
+    usersLock.unlock();
+}
+
+bool Server_Room::userMayJoin(const ServerInfo_User &userInfo)
+{
+
+    if (permissionLevel.toLower() == "administrator" || permissionLevel.toLower() == "moderator")
+        return false;
+
+    if (permissionLevel.toLower() == "registered" && !(userInfo.user_level() & ServerInfo_User::IsRegistered))
+        return false;
+
+    if (privilegeLevel.toLower() != "none") {
+        if (privilegeLevel.toLower() == "privileged") {
+            if (privilegeLevel.toLower() == "none")
+                return false;
+        } else {
+            if (privilegeLevel.toLower() != QString::fromStdString(userInfo.privlevel()).toLower())
+                return false;
+        }
+    }
+    return true;
+}
+
+Server *Server_Room::getServer() const
+{
+    return static_cast<Server *>(parent());
+}
+
+const ServerInfo_Room &
+Server_Room::getInfo(ServerInfo_Room &result, bool complete, bool showGameTypes, bool includeExternalData) const
+{
+    result.set_room_id(id);
+    result.set_name(name.toStdString());
+    result.set_description(description.toStdString());
+    result.set_auto_join(autoJoin);
+    result.set_permissionlevel(permissionLevel.toStdString());
+    result.set_privilegelevel(privilegeLevel.toStdString());
+
+    gamesLock.lockForRead();
+    result.set_game_count(games.size() + externalGames.size());
+    if (complete) {
+        QMapIterator<int, Server_Game *> gameIterator(games);
+        while (gameIterator.hasNext())
+            gameIterator.next().value()->getInfo(*result.add_game_list());
+        if (includeExternalData) {
+            QMapIterator<int, ServerInfo_Game> externalGameIterator(externalGames);
+            while (externalGameIterator.hasNext())
+                result.add_game_list()->CopyFrom(externalGameIterator.next().value());
+        }
+    }
+    gamesLock.unlock();
+
+    usersLock.lockForRead();
+    result.set_player_count(users.size() + externalUsers.size());
+    if (complete) {
+        QMapIterator<QString, Server_ProtocolHandler *> userIterator(users);
+        while (userIterator.hasNext())
+            result.add_user_list()->CopyFrom(userIterator.next().value()->copyUserInfo(false));
+        if (includeExternalData) {
+            QMapIterator<QString, ServerInfo_User_Container> externalUserIterator(externalUsers);
+            while (externalUserIterator.hasNext())
+                result.add_user_list()->CopyFrom(externalUserIterator.next().value().copyUserInfo(false));
+        }
+    }
+    usersLock.unlock();
+
+    if (complete || showGameTypes)
+        for (int i = 0; i < gameTypes.size(); ++i) {
+            ServerInfo_GameType *gameTypeInfo = result.add_gametype_list();
+            gameTypeInfo->set_game_type_id(i);
+            gameTypeInfo->set_description(gameTypes[i].toStdString());
+        }
+
+    return result;
+}
+
+RoomEvent *Server_Room::prepareRoomEvent(const ::google::protobuf::Message &roomEvent)
+{
+    RoomEvent *event = new RoomEvent;
+    event->set_room_id(id);
+    event->GetReflection()
+        ->MutableMessage(event, roomEvent.GetDescriptor()->FindExtensionByName("ext"))
+        ->CopyFrom(roomEvent);
+    return event;
+}
+
+void Server_Room::addClient(Server_ProtocolHandler *client)
+{
+    Event_JoinRoom event;
+    event.mutable_user_info()->CopyFrom(client->copyUserInfo(false));
+    sendRoomEvent(prepareRoomEvent(event));
+
+    ServerInfo_Room roomInfo;
+    roomInfo.set_room_id(id);
+
+    usersLock.lockForWrite();
+    users.insert(QString::fromStdString(client->getUserInfo()->name()), client);
+    roomInfo.set_player_count(users.size() + externalUsers.size());
+    usersLock.unlock();
+
+    // XXX This can be removed during the next client update.
+    gamesLock.lockForRead();
+    roomInfo.set_game_count(games.size() + externalGames.size());
+    gamesLock.unlock();
+    // -----------
+
+    emit roomInfoChanged(roomInfo);
+}
+
+void Server_Room::removeClient(Server_ProtocolHandler *client)
+{
+    usersLock.lockForWrite();
+    users.remove(QString::fromStdString(client->getUserInfo()->name()));
+
+    ServerInfo_Room roomInfo;
+    roomInfo.set_room_id(id);
+    roomInfo.set_player_count(users.size() + externalUsers.size());
+    usersLock.unlock();
+
+    Event_LeaveRoom event;
+    event.set_name(client->getUserInfo()->name());
+    sendRoomEvent(prepareRoomEvent(event));
+
+    // XXX This can be removed during the next client update.
+    gamesLock.lockForRead();
+    roomInfo.set_game_count(games.size() + externalGames.size());
+    gamesLock.unlock();
+    // -----------
+
+    emit roomInfoChanged(roomInfo);
+}
+
+void Server_Room::addExternalUser(const ServerInfo_User &userInfo)
+{
+    // This function is always called from the Server thread with server->roomsMutex locked.
+    ServerInfo_User_Container userInfoContainer(userInfo);
+    Event_JoinRoom event;
+    event.mutable_user_info()->CopyFrom(userInfoContainer.copyUserInfo(false));
+    sendRoomEvent(prepareRoomEvent(event), false);
+
+    ServerInfo_Room roomInfo;
+    roomInfo.set_room_id(id);
+
+    usersLock.lockForWrite();
+    externalUsers.insert(QString::fromStdString(userInfo.name()), userInfoContainer);
+    roomInfo.set_player_count(users.size() + externalUsers.size());
+    usersLock.unlock();
+
+    emit roomInfoChanged(roomInfo);
+}
+
+void Server_Room::removeExternalUser(const QString &_name)
+{
+    // This function is always called from the Server thread with server->roomsMutex locked.
+    ServerInfo_Room roomInfo;
+    roomInfo.set_room_id(id);
+
+    usersLock.lockForWrite();
+    if (externalUsers.contains(_name))
+        externalUsers.remove(_name);
+    roomInfo.set_player_count(users.size() + externalUsers.size());
+    usersLock.unlock();
+
+    Event_LeaveRoom event;
+    event.set_name(_name.toStdString());
+    sendRoomEvent(prepareRoomEvent(event), false);
+
+    emit roomInfoChanged(roomInfo);
+}
+
+void Server_Room::updateExternalGameList(const ServerInfo_Game &gameInfo)
+{
+    // This function is always called from the Server thread with server->roomsMutex locked.
+    ServerInfo_Room roomInfo;
+    roomInfo.set_room_id(id);
+
+    gamesLock.lockForWrite();
+    if (!gameInfo.has_player_count() && externalGames.contains(gameInfo.game_id()))
+        externalGames.remove(gameInfo.game_id());
+    else
+        externalGames.insert(gameInfo.game_id(), gameInfo);
+    roomInfo.set_game_count(games.size() + externalGames.size());
+    gamesLock.unlock();
+
+    broadcastGameListUpdate(gameInfo, false);
+    emit roomInfoChanged(roomInfo);
+}
+
+Response::ResponseCode Server_Room::processJoinGameCommand(const Command_JoinGame &cmd,
+                                                           ResponseContainer &rc,
+                                                           Server_AbstractUserInterface *userInterface)
+{
+    if (cmd.password().length() > MAX_NAME_LENGTH)
+        return Response::RespWrongPassword;
+    // This function is called from the Server thread and from the S_PH thread.
+    // server->roomsMutex is always locked.
+
+    QReadLocker roomGamesLocker(&gamesLock);
+    Server_Game *game = games.value(cmd.game_id());
+    if (!game) {
+        if (externalGames.contains(cmd.game_id())) {
+            CommandContainer cont;
+            cont.set_cmd_id(rc.getCmdId());
+            RoomCommand *roomCommand = cont.add_room_command();
+            roomCommand->GetReflection()
+                ->MutableMessage(roomCommand, cmd.GetDescriptor()->FindExtensionByName("ext"))
+                ->CopyFrom(cmd);
+            getServer()->sendIsl_RoomCommand(cont, externalGames.value(cmd.game_id()).server_id(),
+                                             userInterface->getUserInfo()->session_id(), id);
+
+            return Response::RespNothing;
+        } else {
+            return Response::RespNameNotFound;
+        }
+    }
+
+    QMutexLocker gameLocker(&game->gameMutex);
+
+    Response::ResponseCode result =
+        game->checkJoin(userInterface->getUserInfo(), QString::fromStdString(cmd.password()), cmd.spectator(),
+                        cmd.override_restrictions(), cmd.join_as_judge());
+    if (result == Response::RespOk)
+        game->addPlayer(userInterface, rc, cmd.spectator(), cmd.join_as_judge());
+
+    return result;
+}
+
+void Server_Room::say(const QString &userName, const QString &userMessage, bool sendToIsl)
+{
+    Event_RoomSay event;
+    event.set_name(userName.toStdString());
+    event.set_message(userMessage.toStdString());
+    sendRoomEvent(prepareRoomEvent(event), sendToIsl);
+
+    if (chatHistorySize != 0) {
+        ServerInfo_ChatMessage chatMessage;
+        QDateTime dateTime = dateTime.currentDateTimeUtc();
+        QString dateTimeString = dateTime.toString();
+        chatMessage.set_time(dateTimeString.toStdString());
+        chatMessage.set_sender_name(userName.toStdString());
+        chatMessage.set_message(userMessage.simplified().toStdString());
+
+        historyLock.lockForWrite();
+        if (chatHistory.size() >= chatHistorySize) {
+            chatHistory.removeAt(0);
+        }
+
+        chatHistory.push_back(std::move(chatMessage));
+        historyLock.unlock();
+    }
+}
+
+void Server_Room::removeSaidMessages(const QString &userName, int amount, bool sendToIsl)
+{
+    Event_RemoveMessages event;
+    auto stdStringUserName = userName.toStdString();
+    event.set_name(stdStringUserName);
+    event.set_amount(amount);
+    sendRoomEvent(prepareRoomEvent(event), sendToIsl);
+
+    if (chatHistorySize != 0) {
+        int removed = 0;
+        historyLock.lockForWrite();
+        // redact [amount] of the most recent messages from this user from history
+        for (auto message = chatHistory.rbegin(); message != chatHistory.rend() && removed != amount; ++message) {
+            if (message->sender_name() == stdStringUserName) {
+                message->clear_message();
+                ++removed;
+            }
+        }
+        historyLock.unlock();
+    }
+}
+
+void Server_Room::sendRoomEvent(RoomEvent *event, bool sendToIsl)
+{
+    usersLock.lockForRead();
+    {
+        QMapIterator<QString, Server_ProtocolHandler *> userIterator(users);
+        while (userIterator.hasNext())
+            userIterator.next().value()->sendProtocolItem(*event);
+    }
+    usersLock.unlock();
+
+    if (sendToIsl)
+        static_cast<Server *>(parent())->sendIsl_RoomEvent(*event);
+
+    delete event;
+}
+
+void Server_Room::broadcastGameListUpdate(const ServerInfo_Game &gameInfo, bool sendToIsl)
+{
+    Event_ListGames event;
+    event.add_game_list()->CopyFrom(gameInfo);
+    sendRoomEvent(prepareRoomEvent(event), sendToIsl);
+}
+
+void Server_Room::addGame(Server_Game *game)
+{
+    ServerInfo_Room roomInfo;
+    roomInfo.set_room_id(id);
+
+    gamesLock.lockForWrite();
+    connect(game, &Server_Game::gameInfoChanged, this, [this](auto gameInfo) { broadcastGameListUpdate(gameInfo); });
+
+    game->gameMutex.lock();
+    games.insert(game->getGameId(), game);
+    ServerInfo_Game gameInfo;
+    game->getInfo(gameInfo);
+    roomInfo.set_game_count(games.size() + externalGames.size());
+    game->gameMutex.unlock();
+    gamesLock.unlock();
+
+    // XXX This can be removed during the next client update.
+    usersLock.lockForRead();
+    roomInfo.set_player_count(users.size() + externalUsers.size());
+    usersLock.unlock();
+    // -----------
+
+    emit gameListChanged(gameInfo);
+    emit roomInfoChanged(roomInfo);
+}
+
+void Server_Room::removeGame(Server_Game *game)
+{
+    // No need to lock gamesLock or gameMutex. This method is only
+    // called from ~Server_Game, which locks both mutexes anyway beforehand.
+
+    disconnect(game, 0, this, 0);
+
+    ServerInfo_Game gameInfo;
+    game->getInfo(gameInfo);
+    emit gameListChanged(gameInfo);
+
+    games.remove(game->getGameId());
+
+    ServerInfo_Room roomInfo;
+    roomInfo.set_room_id(id);
+    roomInfo.set_game_count(games.size() + externalGames.size());
+
+    // XXX This can be removed during the next client update.
+    usersLock.lockForRead();
+    roomInfo.set_player_count(users.size() + externalUsers.size());
+    usersLock.unlock();
+    // -----------
+
+    emit roomInfoChanged(roomInfo);
+}
+
+int Server_Room::getGamesCreatedByUser(const QString &userName) const
+{
+    QReadLocker locker(&gamesLock);
+
+    QMapIterator<int, Server_Game *> gamesIterator(games);
+    int result = 0;
+    while (gamesIterator.hasNext())
+        if (gamesIterator.next().value()->getCreatorInfo()->name() == userName.toStdString())
+            ++result;
+    return result;
+}
+
+QList<ServerInfo_Game> Server_Room::getGamesOfUser(const QString &userName) const
+{
+    QReadLocker locker(&gamesLock);
+
+    QList<ServerInfo_Game> result;
+    QMapIterator<int, Server_Game *> gamesIterator(games);
+    while (gamesIterator.hasNext()) {
+        Server_Game *game = gamesIterator.next().value();
+        if (game->containsUser(userName)) {
+            ServerInfo_Game gameInfo;
+            game->getInfo(gameInfo);
+            result.append(gameInfo);
+        }
+    }
+    return result;
+}

common/server/server_room.h

@@ -0,0 +1,144 @@
+#ifndef SERVER_ROOM_H
+#define SERVER_ROOM_H
+
+#include "../serverinfo_user_container.h"
+#include "pb/response.pb.h"
+#include "pb/serverinfo_chat_message.pb.h"
+
+#include <QList>
+#include <QMap>
+#include <QMutex>
+#include <QObject>
+#include <QReadWriteLock>
+#include <QStringList>
+
+class Server_DatabaseInterface;
+class Server_ProtocolHandler;
+class RoomEvent;
+class ServerInfo_User;
+class ServerInfo_Room;
+class ServerInfo_Game;
+class Server_Game;
+class Server;
+
+class Command_JoinGame;
+class ResponseContainer;
+class Server_AbstractUserInterface;
+
+class Server_Room : public QObject
+{
+    Q_OBJECT
+signals:
+    void roomInfoChanged(const ServerInfo_Room &roomInfo);
+    void gameListChanged(const ServerInfo_Game &gameInfo);
+
+private:
+    int id;
+    int chatHistorySize;
+    QString name;
+    QString description;
+    QString permissionLevel;
+    QString privilegeLevel;
+    bool autoJoin;
+    QString joinMessage;
+    QStringList gameTypes;
+    QMap<int, Server_Game *> games;
+    QMap<int, ServerInfo_Game> externalGames;
+    QMap<QString, Server_ProtocolHandler *> users;
+    QMap<QString, ServerInfo_User_Container> externalUsers;
+    QList<ServerInfo_ChatMessage> chatHistory;
+private slots:
+    void broadcastGameListUpdate(const ServerInfo_Game &gameInfo, bool sendToIsl = true);
+
+public:
+    mutable QReadWriteLock usersLock;
+    mutable QReadWriteLock gamesLock;
+    mutable QReadWriteLock historyLock;
+    Server_Room(int _id,
+                int _chatHistorySize,
+                const QString &_name,
+                const QString &_description,
+                const QString &_permissionLevel,
+                const QString &_privilegeLevel,
+                bool _autoJoin,
+                const QString &_joinMessage,
+                const QStringList &_gameTypes,
+                Server *parent);
+    ~Server_Room() override;
+    int getId() const
+    {
+        return id;
+    }
+    QString getName() const
+    {
+        return name;
+    }
+    QString getDescription() const
+    {
+        return description;
+    }
+    QString getRoomPermission() const
+    {
+        return permissionLevel;
+    }
+    QString getRoomPrivilege() const
+    {
+        return privilegeLevel;
+    }
+    bool getAutoJoin() const
+    {
+        return autoJoin;
+    }
+    bool userMayJoin(const ServerInfo_User &userInfo);
+    QString getJoinMessage() const
+    {
+        return joinMessage;
+    }
+    const QStringList &getGameTypes() const
+    {
+        return gameTypes;
+    }
+    const QMap<int, Server_Game *> &getGames() const
+    {
+        return games;
+    }
+    const QMap<int, ServerInfo_Game> &getExternalGames() const
+    {
+        return externalGames;
+    }
+    Server *getServer() const;
+    const ServerInfo_Room &
+    getInfo(ServerInfo_Room &result, bool complete, bool showGameTypes = false, bool includeExternalData = true) const;
+    int getGamesCreatedByUser(const QString &name) const;
+    QList<ServerInfo_Game> getGamesOfUser(const QString &name) const;
+    QList<ServerInfo_ChatMessage> &getChatHistory()
+    {
+        return chatHistory;
+    }
+
+    void addClient(Server_ProtocolHandler *client);
+    void removeClient(Server_ProtocolHandler *client);
+
+    void addExternalUser(const ServerInfo_User &userInfo);
+    void removeExternalUser(const QString &_name);
+    const QMap<QString, ServerInfo_User_Container> &getExternalUsers() const
+    {
+        return externalUsers;
+    }
+    void updateExternalGameList(const ServerInfo_Game &gameInfo);
+
+    Response::ResponseCode processJoinGameCommand(const Command_JoinGame &cmd,
+                                                  ResponseContainer &rc,
+                                                  Server_AbstractUserInterface *userInterface);
+
+    void say(const QString &userName, const QString &s, bool sendToIsl = true);
+    void removeSaidMessages(const QString &userName, int amount, bool sendToIsl = true);
+
+    void addGame(Server_Game *game);
+    void removeGame(Server_Game *game);
+
+    void sendRoomEvent(RoomEvent *event, bool sendToIsl = true);
+    RoomEvent *prepareRoomEvent(const ::google::protobuf::Message &roomEvent);
+};
+
+#endif