Files
element-call/src/otel/OTelCallMediaStreamTrackSpan.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

63 lines
1.8 KiB
TypeScript

import { TrackStats } from "matrix-js-sdk/src/webrtc/stats/statsReport";
import opentelemetry, { Span } from "@opentelemetry/api";
import { ElementCallOpenTelemetry } from "./otel";
export class OTelCallMediaStreamTrackSpan {
private readonly span: Span;
private prev: TrackStats;
public constructor(
readonly oTel: ElementCallOpenTelemetry,
readonly streamSpan: Span,
data: TrackStats
) {
const ctx = opentelemetry.trace.setSpan(
opentelemetry.context.active(),
streamSpan
);
const options = {
links: [
{
context: streamSpan.spanContext(),
},
],
};
const type = `matrix.call.track.${data.label}.${data.kind}`;
this.span = oTel.tracer.startSpan(type, options, ctx);
this.span.setAttribute("track.trackId", data.id);
this.span.setAttribute("track.kind", data.kind);
this.span.setAttribute("track.constrainDeviceId", data.constrainDeviceId);
this.span.setAttribute("track.settingDeviceId", data.settingDeviceId);
this.span.setAttribute("track.label", data.label);
this.span.addEvent("matrix.call.track.initState", {
readyState: data.readyState,
muted: data.muted,
enabled: data.enabled,
});
this.prev = data;
}
public update(data: TrackStats): void {
if (this.prev.muted !== data.muted) {
this.span.addEvent("matrix.call.track.muted", { muted: data.muted });
}
if (this.prev.enabled !== data.enabled) {
this.span.addEvent("matrix.call.track.enabled", {
enabled: data.enabled,
});
}
if (this.prev.readyState !== data.readyState) {
this.span.addEvent("matrix.call.track.readyState", {
readyState: data.readyState,
});
}
this.prev = data;
}
public end(): void {
this.span.end();
}
}