element-call/src/otel/OTelCallAbstractMediaStreamSpan.ts
Enrico Schwendig 8f8dd5f803
Display active tracks in OTel metrics (#1085)
* Add track, feed and transceiver spans under call span
2023-06-07 16:40:47 +02:00

62 lines
1.6 KiB
TypeScript

import opentelemetry, { Span } from "@opentelemetry/api";
import { TrackStats } from "matrix-js-sdk/src/webrtc/stats/statsReport";
import { ElementCallOpenTelemetry } from "./otel";
import { OTelCallMediaStreamTrackSpan } from "./OTelCallMediaStreamTrackSpan";
type TrackId = string;
export abstract class OTelCallAbstractMediaStreamSpan {
protected readonly trackSpans = new Map<
TrackId,
OTelCallMediaStreamTrackSpan
>();
public readonly span;
public constructor(
readonly oTel: ElementCallOpenTelemetry,
readonly callSpan: Span,
protected readonly type: string
) {
const ctx = opentelemetry.trace.setSpan(
opentelemetry.context.active(),
callSpan
);
const options = {
links: [
{
context: callSpan.spanContext(),
},
],
};
this.span = oTel.tracer.startSpan(this.type, options, ctx);
}
protected upsertTrackSpans(tracks: TrackStats[]) {
let prvTracks: TrackId[] = [...this.trackSpans.keys()];
tracks.forEach((t) => {
if (!this.trackSpans.has(t.id)) {
this.trackSpans.set(
t.id,
new OTelCallMediaStreamTrackSpan(this.oTel, this.span, t)
);
}
this.trackSpans.get(t.id)?.update(t);
prvTracks = prvTracks.filter((prvTrackId) => prvTrackId !== t.id);
});
prvTracks.forEach((prvTrackId) => {
this.trackSpans.get(prvTrackId)?.end();
this.trackSpans.delete(prvTrackId);
});
}
public abstract update(data: Object): void;
public end(): void {
this.trackSpans.forEach((tSpan) => {
tSpan.end();
});
this.span.end();
}
}