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a542831aad
Add a lock-free MetricsRegistry that accumulates per-command processing times in preallocated histogram slots (one per protobuf command type, bucketed at 1/5/10/25/50/100/250/500/1000/2500/5000 ms +Inf). The hot-path observeCommand() uses only relaxed atomic adds — no locks, no allocations, no cache-line ping-pong beyond the unavoidable counter updates. Wire the registry into AbstractServerSocketInterface::processCommandContainer() so every processed command is attributed with its container's wall-clock time. When a container exceeds metrics/slow_command_ms (default 500), a warning is logged including the connected username. Add an EventLoopWatchdog heartbeat that runs on every socket pool thread. If a heartbeat overshoots metrics/stall_warn_ms (default 2000 ms), the overshoot is recorded in atomic counters and a warning is logged. Both thresholds are configurable in servatrice.ini; setting stall_warn_ms to 0 disables the watchdogs entirely. Track game-start durations via a separate histogram in MetricsRegistry. Server_Game::startGameNow() measures the time from zone creation through player materialization and reports it via Server::observeGameStartDurationMs(). Add a live card-count gauge: Server_Game exposes getCardsInGame() and Servatrice::getCardsInGamesTotal() sums across all running games under the appropriate read locks. Include a standalone metrics_registry_test (Google Test) that validates empty registries, single/multi-sample histograms, kind encoding, overflow-slot collapse, negative-duration clamping, gauge rendering, and the game-start histogram separation. Took 10 minutes |
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| .. | ||
| game_config.h | ||
| server_abstract_participant.cpp | ||
| server_abstract_participant.h | ||
| server_abstract_player.cpp | ||
| server_abstract_player.h | ||
| server_arrow.cpp | ||
| server_arrow.h | ||
| server_arrowtarget.cpp | ||
| server_arrowtarget.h | ||
| server_card.cpp | ||
| server_card.h | ||
| server_cardzone.cpp | ||
| server_cardzone.h | ||
| server_counter.cpp | ||
| server_counter.h | ||
| server_deck_validation_strategy.h | ||
| server_game.cpp | ||
| server_game.h | ||
| server_game_lifecycle_strategy.h | ||
| server_match_game_factory.h | ||
| server_match_result_strategy.h | ||
| server_move_card_struct.h | ||
| server_player.cpp | ||
| server_player.h | ||
| server_spectator.cpp | ||
| server_spectator.h | ||