docu: Add webrtc metric to OTel

This commit is contained in:
Enrico Schwendig 2023-03-28 11:51:15 +02:00
parent 40f5c53c05
commit 66c3d05ae9
5 changed files with 421 additions and 7 deletions

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@ -53,7 +53,7 @@
"i18next-browser-languagedetector": "^6.1.8",
"i18next-http-backend": "^1.4.4",
"lodash": "^4.17.21",
"matrix-js-sdk": "github:matrix-org/matrix-js-sdk#23837266fca5ee799b51a722f7b8eefb2f5ac140",
"matrix-js-sdk": "github:matrix-org/matrix-js-sdk#2cd38e91eee1f5b16a9be0caba6ff19486b95f31",
"matrix-widget-api": "^1.0.0",
"mermaid": "^8.13.8",
"normalize.css": "^8.0.1",

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@ -23,8 +23,15 @@ import {
RoomMember,
} from "matrix-js-sdk";
import { VoipEvent } from "matrix-js-sdk/src/webrtc/call";
import { GroupCallStatsReport } from "matrix-js-sdk/src/webrtc/groupCall";
import {
ConnectionStatsReport,
ByteSentStatsReport,
} from "matrix-js-sdk/src/webrtc/stats/statsReport";
import { setSpan } from "@opentelemetry/api/build/esm/trace/context-utils";
import { ElementCallOpenTelemetry } from "./otel";
import { ObjectFlattener } from "./ObjectFlattener";
/**
* Flattens out an object into a single layer with components
@ -73,12 +80,24 @@ function flattenVoipEventRecursive(
*/
export class OTelGroupCallMembership {
private callMembershipSpan?: Span;
private myUserId: string;
private myMember: RoomMember;
private myUserId = "unknown";
private myMember?: RoomMember;
private statsReportSpan: {
span: Span | undefined;
stats: OTelStatsReportEvent[];
};
constructor(private groupCall: GroupCall, client: MatrixClient) {
this.myUserId = client.getUserId();
this.myMember = groupCall.room.getMember(client.getUserId());
const clientId = client.getUserId();
if (clientId) {
this.myUserId = clientId;
const myMember = groupCall.room.getMember(clientId);
if (myMember) {
this.myMember = myMember;
}
}
this.statsReportSpan = { span: undefined, stats: [] };
ElementCallOpenTelemetry.instance.provider.resource.attributes[
SemanticResourceAttributes.SERVICE_NAME
@ -98,7 +117,7 @@ export class OTelGroupCallMembership {
this.callMembershipSpan.setAttribute("matrix.userId", this.myUserId);
this.callMembershipSpan.setAttribute(
"matrix.displayName",
this.myMember.name
this.myMember ? this.myMember.name : "unknown-name"
);
opentelemetry.trace.setSpan(
@ -113,7 +132,7 @@ export class OTelGroupCallMembership {
this.callMembershipSpan?.addEvent("matrix.leaveCall");
// and end the main span to indicate we've left
if (this.callMembershipSpan) this.callMembershipSpan.end();
this.callMembershipSpan?.end();
}
public onUpdateRoomState(event: MatrixEvent) {
@ -177,4 +196,65 @@ export class OTelGroupCallMembership {
"matrix.screensharing.enabled": newValue,
});
}
public onConnectionStatsReport(
statsReport: GroupCallStatsReport<ConnectionStatsReport>
) {
const type = OTelStatsReportType.ConnectionStatsReport;
const data =
ObjectFlattener.flattenConnectionStatsReportObject(statsReport);
this.buildStatsEventSpan({ type, data });
}
public onByteSentStatsReport(
statsReport: GroupCallStatsReport<ByteSentStatsReport>
) {
const type = OTelStatsReportType.ByteSentStatsReport;
const data = ObjectFlattener.flattenByteSentStatsReportObject(statsReport);
this.buildStatsEventSpan({ type, data });
}
private buildStatsEventSpan(event: OTelStatsReportEvent): void {
if (this.statsReportSpan.span === undefined && this.callMembershipSpan) {
const ctx = setSpan(
opentelemetry.context.active(),
this.callMembershipSpan
);
this.statsReportSpan.span =
ElementCallOpenTelemetry.instance.tracer.startSpan(
"matrix.groupCallMembership.statsReport",
undefined,
ctx
);
this.statsReportSpan.span.setAttribute(
"matrix.confId",
this.groupCall.groupCallId
);
this.statsReportSpan.span.setAttribute("matrix.userId", this.myUserId);
this.statsReportSpan.span.setAttribute(
"matrix.displayName",
this.myMember ? this.myMember.name : "unknown-name"
);
this.statsReportSpan.span.addEvent(event.type, event.data);
this.statsReportSpan.stats.push(event);
} else if (
this.statsReportSpan.span !== undefined &&
this.callMembershipSpan
) {
this.statsReportSpan.span.addEvent(event.type, event.data);
this.statsReportSpan.span.end();
this.statsReportSpan = { span: undefined, stats: [] };
}
}
}
interface OTelStatsReportEvent {
type: OTelStatsReportType;
data: Attributes;
}
enum OTelStatsReportType {
ConnectionStatsReport = "matrix.stats.connection",
ByteSentStatsReport = "matrix.stats.byteSent",
}

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@ -0,0 +1,83 @@
/*
Copyright 2023 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import { Attributes } from "@opentelemetry/api";
import { GroupCallStatsReport } from "matrix-js-sdk/src/webrtc/groupCall";
import {
ByteSentStatsReport,
ConnectionStatsReport,
} from "matrix-js-sdk/src/webrtc/stats/statsReport";
export class ObjectFlattener {
public static flattenConnectionStatsReportObject(
statsReport: GroupCallStatsReport<ConnectionStatsReport>
): Attributes {
const flatObject = {};
ObjectFlattener.flattenObjectRecursive(
statsReport.report,
flatObject,
"matrix.stats.conn.",
0
);
return flatObject;
}
public static flattenByteSentStatsReportObject(
statsReport: GroupCallStatsReport<ByteSentStatsReport>
): Attributes {
const flatObject = {};
ObjectFlattener.flattenObjectRecursive(
statsReport.report,
flatObject,
"matrix.stats.bytesSent.",
0
);
return flatObject;
}
public static flattenObjectRecursive(
obj: Object,
flatObject: Attributes,
prefix: string,
depth: number
): void {
if (depth > 10)
throw new Error(
"Depth limit exceeded: aborting VoipEvent recursion. Prefix is " +
prefix
);
let entries;
if (obj instanceof Map) {
entries = obj.entries();
} else {
entries = Object.entries(obj);
}
for (const [k, v] of entries) {
if (["string", "number", "boolean"].includes(typeof v) || v === null) {
let value;
value = v === null ? "null" : v;
value = typeof v === "number" && Number.isNaN(v) ? "NaN" : value;
flatObject[prefix + k] = value;
} else if (typeof v === "object") {
ObjectFlattener.flattenObjectRecursive(
v,
flatObject,
prefix + k + ".",
depth + 1
);
}
}
}
}

View file

@ -22,12 +22,18 @@ import {
GroupCallErrorCode,
GroupCallUnknownDeviceError,
GroupCallError,
GroupCallStatsReportEvent,
GroupCallStatsReport,
} from "matrix-js-sdk/src/webrtc/groupCall";
import { CallFeed, CallFeedEvent } from "matrix-js-sdk/src/webrtc/callFeed";
import { RoomMember } from "matrix-js-sdk/src/models/room-member";
import { useTranslation } from "react-i18next";
import { IWidgetApiRequest } from "matrix-widget-api";
import { MatrixClient } from "matrix-js-sdk";
import {
ByteSentStatsReport,
ConnectionStatsReport,
} from "matrix-js-sdk/src/webrtc/stats/statsReport";
import { usePageUnload } from "./usePageUnload";
import { PosthogAnalytics } from "../analytics/PosthogAnalytics";
@ -330,6 +336,18 @@ export function useGroupCall(
}
}
function onConnectionStatsReport(
report: GroupCallStatsReport<ConnectionStatsReport>
): void {
groupCallOTelMembership?.onConnectionStatsReport(report);
}
function onByteSentStatsReport(
report: GroupCallStatsReport<ByteSentStatsReport>
): void {
groupCallOTelMembership?.onByteSentStatsReport(report);
}
groupCall.on(GroupCallEvent.GroupCallStateChanged, onGroupCallStateChanged);
groupCall.on(GroupCallEvent.UserMediaFeedsChanged, onUserMediaFeedsChanged);
groupCall.on(
@ -346,6 +364,16 @@ export function useGroupCall(
groupCall.on(GroupCallEvent.ParticipantsChanged, onParticipantsChanged);
groupCall.on(GroupCallEvent.Error, onError);
groupCall.on(
GroupCallStatsReportEvent.ConnectionStats,
onConnectionStatsReport
);
groupCall.on(
GroupCallStatsReportEvent.ByteSentStats,
onByteSentStatsReport
);
updateState({
error: null,
state: groupCall.state,
@ -392,6 +420,14 @@ export function useGroupCall(
onParticipantsChanged
);
groupCall.removeListener(GroupCallEvent.Error, onError);
groupCall.removeListener(
GroupCallStatsReportEvent.ConnectionStats,
onConnectionStatsReport
);
groupCall.removeListener(
GroupCallStatsReportEvent.ByteSentStats,
onByteSentStatsReport
);
groupCall.leave();
};
}, [groupCall, updateState]);

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@ -0,0 +1,215 @@
import { ObjectFlattener } from "../../src/otel/ObjectFlattener";
/*
Copyright 2023 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
describe("ObjectFlattener", () => {
const statsReport = {
report: {
bandwidth: { upload: 426, download: 0 },
bitrate: {
upload: 426,
download: 0,
audio: {
upload: 124,
download: 0,
},
video: {
upload: 302,
download: 0,
},
},
packetLoss: {
total: 0,
download: 0,
upload: 0,
},
framerate: {
local: new Map([
["LOCAL_AUDIO_TRACK_ID", 0],
["LOCAL_VIDEO_TRACK_ID", 30],
]),
remote: new Map([
["REMOTE_AUDIO_TRACK_ID", 0],
["REMOTE_VIDEO_TRACK_ID", 60],
]),
},
resolution: {
local: new Map([
["LOCAL_AUDIO_TRACK_ID", { height: -1, width: -1 }],
["LOCAL_VIDEO_TRACK_ID", { height: 460, width: 780 }],
]),
remote: new Map([
["REMOTE_AUDIO_TRACK_ID", { height: -1, width: -1 }],
["REMOTE_VIDEO_TRACK_ID", { height: 960, width: 1080 }],
]),
},
codec: {
local: new Map([
["LOCAL_AUDIO_TRACK_ID", "opus"],
["LOCAL_VIDEO_TRACK_ID", "v8"],
]),
remote: new Map([
["REMOTE_AUDIO_TRACK_ID", "opus"],
["REMOTE_VIDEO_TRACK_ID", "v9"],
]),
},
transport: [
{
ip: "ff11::5fa:abcd:999c:c5c5:50000",
type: "udp",
localIp: "2aaa:9999:2aaa:999:8888:2aaa:2aaa:7777:50000",
isFocus: true,
localCandidateType: "host",
remoteCandidateType: "host",
networkType: "ethernet",
rtt: NaN,
},
{
ip: "10.10.10.2:22222",
type: "tcp",
localIp: "10.10.10.100:33333",
isFocus: true,
localCandidateType: "srfx",
remoteCandidateType: "srfx",
networkType: "ethernet",
rtt: null,
},
],
},
};
describe("on flattenObjectRecursive", () => {
it("should flatter an Map object", () => {
const flatObject = {};
ObjectFlattener.flattenObjectRecursive(
statsReport.report.resolution,
flatObject,
"matrix.stats.conn.resolution.",
0
);
expect(flatObject).toEqual({
"matrix.stats.conn.resolution.local.LOCAL_AUDIO_TRACK_ID.height": -1,
"matrix.stats.conn.resolution.local.LOCAL_AUDIO_TRACK_ID.width": -1,
"matrix.stats.conn.resolution.local.LOCAL_VIDEO_TRACK_ID.height": 460,
"matrix.stats.conn.resolution.local.LOCAL_VIDEO_TRACK_ID.width": 780,
"matrix.stats.conn.resolution.remote.REMOTE_AUDIO_TRACK_ID.height": -1,
"matrix.stats.conn.resolution.remote.REMOTE_AUDIO_TRACK_ID.width": -1,
"matrix.stats.conn.resolution.remote.REMOTE_VIDEO_TRACK_ID.height": 960,
"matrix.stats.conn.resolution.remote.REMOTE_VIDEO_TRACK_ID.width": 1080,
});
});
it("should flatter an Array object", () => {
const flatObject = {};
ObjectFlattener.flattenObjectRecursive(
statsReport.report.transport,
flatObject,
"matrix.stats.conn.transport.",
0
);
expect(flatObject).toEqual({
"matrix.stats.conn.transport.0.ip": "ff11::5fa:abcd:999c:c5c5:50000",
"matrix.stats.conn.transport.0.type": "udp",
"matrix.stats.conn.transport.0.localIp":
"2aaa:9999:2aaa:999:8888:2aaa:2aaa:7777:50000",
"matrix.stats.conn.transport.0.isFocus": true,
"matrix.stats.conn.transport.0.localCandidateType": "host",
"matrix.stats.conn.transport.0.remoteCandidateType": "host",
"matrix.stats.conn.transport.0.networkType": "ethernet",
"matrix.stats.conn.transport.0.rtt": "NaN",
"matrix.stats.conn.transport.1.ip": "10.10.10.2:22222",
"matrix.stats.conn.transport.1.type": "tcp",
"matrix.stats.conn.transport.1.localIp": "10.10.10.100:33333",
"matrix.stats.conn.transport.1.isFocus": true,
"matrix.stats.conn.transport.1.localCandidateType": "srfx",
"matrix.stats.conn.transport.1.remoteCandidateType": "srfx",
"matrix.stats.conn.transport.1.networkType": "ethernet",
"matrix.stats.conn.transport.1.rtt": "null",
});
});
});
describe("on flattenConnectionStatsReportObject", () => {
it("should flatten a Report to otel Attributes Object", () => {
expect(
ObjectFlattener.flattenConnectionStatsReportObject(statsReport)
).toEqual({
"matrix.stats.conn.bandwidth.download": 0,
"matrix.stats.conn.bandwidth.upload": 426,
"matrix.stats.conn.bitrate.audio.download": 0,
"matrix.stats.conn.bitrate.audio.upload": 124,
"matrix.stats.conn.bitrate.download": 0,
"matrix.stats.conn.bitrate.upload": 426,
"matrix.stats.conn.bitrate.video.download": 0,
"matrix.stats.conn.bitrate.video.upload": 302,
"matrix.stats.conn.codec.local.LOCAL_AUDIO_TRACK_ID": "opus",
"matrix.stats.conn.codec.local.LOCAL_VIDEO_TRACK_ID": "v8",
"matrix.stats.conn.codec.remote.REMOTE_AUDIO_TRACK_ID": "opus",
"matrix.stats.conn.codec.remote.REMOTE_VIDEO_TRACK_ID": "v9",
"matrix.stats.conn.framerate.local.LOCAL_AUDIO_TRACK_ID": 0,
"matrix.stats.conn.framerate.local.LOCAL_VIDEO_TRACK_ID": 30,
"matrix.stats.conn.framerate.remote.REMOTE_AUDIO_TRACK_ID": 0,
"matrix.stats.conn.framerate.remote.REMOTE_VIDEO_TRACK_ID": 60,
"matrix.stats.conn.packetLoss.download": 0,
"matrix.stats.conn.packetLoss.total": 0,
"matrix.stats.conn.packetLoss.upload": 0,
"matrix.stats.conn.resolution.local.LOCAL_AUDIO_TRACK_ID.height": -1,
"matrix.stats.conn.resolution.local.LOCAL_AUDIO_TRACK_ID.width": -1,
"matrix.stats.conn.resolution.local.LOCAL_VIDEO_TRACK_ID.height": 460,
"matrix.stats.conn.resolution.local.LOCAL_VIDEO_TRACK_ID.width": 780,
"matrix.stats.conn.resolution.remote.REMOTE_AUDIO_TRACK_ID.height": -1,
"matrix.stats.conn.resolution.remote.REMOTE_AUDIO_TRACK_ID.width": -1,
"matrix.stats.conn.resolution.remote.REMOTE_VIDEO_TRACK_ID.height": 960,
"matrix.stats.conn.resolution.remote.REMOTE_VIDEO_TRACK_ID.width": 1080,
"matrix.stats.conn.transport.0.ip": "ff11::5fa:abcd:999c:c5c5:50000",
"matrix.stats.conn.transport.0.type": "udp",
"matrix.stats.conn.transport.0.localIp":
"2aaa:9999:2aaa:999:8888:2aaa:2aaa:7777:50000",
"matrix.stats.conn.transport.0.isFocus": true,
"matrix.stats.conn.transport.0.localCandidateType": "host",
"matrix.stats.conn.transport.0.remoteCandidateType": "host",
"matrix.stats.conn.transport.0.networkType": "ethernet",
"matrix.stats.conn.transport.0.rtt": "NaN",
"matrix.stats.conn.transport.1.ip": "10.10.10.2:22222",
"matrix.stats.conn.transport.1.type": "tcp",
"matrix.stats.conn.transport.1.localIp": "10.10.10.100:33333",
"matrix.stats.conn.transport.1.isFocus": true,
"matrix.stats.conn.transport.1.localCandidateType": "srfx",
"matrix.stats.conn.transport.1.remoteCandidateType": "srfx",
"matrix.stats.conn.transport.1.networkType": "ethernet",
"matrix.stats.conn.transport.1.rtt": "null",
});
});
});
describe("on flattenByteSendStatsReportObject", () => {
const byteSent = {
report: new Map([
["4aa92608-04c6-428e-8312-93e17602a959", 132093],
["a08e4237-ee30-4015-a932-b676aec894b1", 913448],
]),
};
it("should flatten a Report to otel Attributes Object", () => {
expect(
ObjectFlattener.flattenByteSentStatsReportObject(byteSent)
).toEqual({
"matrix.stats.bytesSent.4aa92608-04c6-428e-8312-93e17602a959": 132093,
"matrix.stats.bytesSent.a08e4237-ee30-4015-a932-b676aec894b1": 913448,
});
});
});
});