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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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| .. | ||
| docker | ||
| migrations | ||
| mysql-storage | ||
| resources | ||
| scripts | ||
| src | ||
| check_schema_version.sh | ||
| CMakeLists.txt | ||
| servatrice.desktop | ||
| servatrice.ini.example | ||
| servatrice.qrc | ||
| servatrice.rc | ||
| servatrice.sql | ||