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Preserve fleet match timing across empty telemetry
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josh
2026-10-09 19:41:55 -04:00
parent d1f581d6a8
commit ce6dba17e6
12 changed files with 171 additions and 53 deletions
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src/lib/server/fleet/telemetry.ts
+43 -34
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@@ -25,46 +25,55 @@ export function saveTelemetry(report: GameTelemetry): GameTelemetry {
? JSON.parse(row.payload)
: undefined;
recordLeaderboardTelemetry(handle, report);
// Record each occupancy transition at receipt, before a heartbeat can
// replace game_start or an empty report between status polls.
const after = latestGameSubmission(report.server);
if (!after || Date.parse(report.receivedAt) > Date.parse(after)) {
if (report.players.length > 0) {
handle
.prepare(
'UPDATE servers SET active_since = COALESCE(active_since, ?), inactive_since = NULL WHERE name = ?'
)
.run(report.receivedAt, report.server);
if (report.event === 'game_start') {
handle
.prepare(
'UPDATE servers SET game_started_at = ?, game_ended_at = NULL WHERE name = ?'
)
.run(report.receivedAt, report.server);
} else if (report.event === 'game_end') {
handle
.prepare('UPDATE servers SET game_ended_at = ? WHERE name = ?')
.run(report.receivedAt, report.server);
}
} else {
handle
.prepare(
`UPDATE servers SET active_since = NULL, inactive_since = COALESCE(inactive_since, ?),
game_started_at = NULL, game_ended_at = NULL WHERE name = ?`
)
.run(report.receivedAt, report.server);
}
}
const match = handle
.prepare(
'SELECT id, started_at, start_observed FROM leaderboard_matches WHERE server = ? ORDER BY id DESC LIMIT 1'
)
.get(report.server) as { id: number; started_at: string; start_observed: number };
const sameMatch = previous?.timing?.matchId === match.id;
const serverTiming = handle
.prepare(
`SELECT active_since AS activeSince, inactive_since AS inactiveSince,
game_started_at AS gameStartedAt, game_ended_at AS gameEndedAt FROM servers WHERE name = ?`
)
.get(report.server) as ServerTiming;
const match = handle
.prepare('SELECT id FROM leaderboard_matches WHERE server = ? ORDER BY id DESC LIMIT 1')
.get(report.server) as { id: number };
const sameMatch = previous?.timing?.matchId === match.id;
// Record each occupancy transition at receipt, before a heartbeat can
// replace game_start or an empty report between status polls.
const after = latestGameSubmission(report.server);
if (!after || Date.parse(report.receivedAt) > Date.parse(after)) {
const occupied = report.players.length > 0;
serverTiming.activeSince = occupied
? (serverTiming.activeSince ?? report.receivedAt)
: null;
serverTiming.inactiveSince = occupied
? null
: (serverTiming.inactiveSince ?? report.receivedAt);
// Match boundaries follow history, independently of roster occupancy.
// Recover starts discarded by older receivers only when a start was
// actually observed; an inferred match has no known start time.
const startedAt =
report.event === 'game_start'
? report.receivedAt
: ((sameMatch ? serverTiming.gameStartedAt : null) ??
(match.start_observed ? match.started_at : null));
serverTiming.gameStartedAt =
startedAt && (!after || Date.parse(startedAt) > Date.parse(after))
? startedAt
: null;
serverTiming.gameEndedAt = report.event === 'game_end' ? report.receivedAt : null;
handle
.prepare(
`UPDATE servers SET active_since = ?, inactive_since = ?,
game_started_at = ?, game_ended_at = ? WHERE name = ?`
)
.run(
serverTiming.activeSince,
serverTiming.inactiveSince,
serverTiming.gameStartedAt,
serverTiming.gameEndedAt,
report.server
);
}
// A gap beyond the normal heartbeat window cannot establish continuity.
const continuous =
previous && Date.parse(report.receivedAt) - Date.parse(previous.receivedAt) <= 120_000;