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35 lines
1.2 KiB
JavaScript
35 lines
1.2 KiB
JavaScript
// In-memory counters, one set PER SOURCE. Surfaced via /api/sources/:id/status and /health-style
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// reporting. Ported from d-combine/lib/core/metrics.mjs.
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export function createMetrics() {
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return {
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startedAt: Date.now(),
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requests: { total: 0, master: 0, variant: 0, segment: 0, other: 0, errors: 0 },
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upstream: { ok: 0, notLive: 0, forbidden: 0, failed: 0 }, // 404=notLive, 403=forbidden(gate)
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bytesStreamed: 0,
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active: 0,
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lastStreamAt: null,
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lastError: null,
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};
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}
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/** Human-readable byte size. */
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export function fmtBytes(n) {
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if (n < 1024)
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return `${n}B`;
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if (n < 1048576)
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return `${(n / 1024).toFixed(1)}KB`;
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return `${(n / 1048576).toFixed(2)}MB`;
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}
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/** JSON snapshot of one source's metrics. */
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export function snapshotOne(m) {
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return {
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uptimeSeconds: Math.round((Date.now() - m.startedAt) / 1000),
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active: m.active,
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requests: { ...m.requests },
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upstream: { ...m.upstream },
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bytesStreamed: m.bytesStreamed,
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mbStreamed: +(m.bytesStreamed / 1048576).toFixed(2),
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lastStreamAt: m.lastStreamAt ? new Date(m.lastStreamAt).toISOString() : null,
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lastError: m.lastError,
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};
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}
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//# sourceMappingURL=metrics.js.map
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