80 lines
3.3 KiB
JavaScript
80 lines
3.3 KiB
JavaScript
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// @flow
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import { getAmplitudeIdentity } from '../analytics';
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import {
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CONFERENCE_JOINED
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} from '../base/conference';
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import { LIB_WILL_INIT } from '../base/lib-jitsi-meet';
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import { getLocalParticipant } from '../base/participants';
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import { MiddlewareRegistry } from '../base/redux';
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import RTCStats from './RTCStats';
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import logger from './logger';
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/**
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* Middleware which intercepts lib-jitsi-meet initialization and conference join in order init the
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* rtcstats-client.
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*
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* @param {Store} store - The redux store.
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* @returns {Function}
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*/
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MiddlewareRegistry.register(store => next => action => {
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const state = store.getState();
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const config = state['features/base/config'];
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const { analytics } = config;
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switch (action.type) {
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case LIB_WILL_INIT: {
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if (analytics.rtcstatsEndpoint) {
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// RTCStats "proxies" WebRTC functions such as GUM and RTCPeerConnection by rewriting the global
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// window functions. Because lib-jitsi-meet uses references to those functions that are taken on
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// init, we need to add these proxies before it initializes, otherwise lib-jitsi-meet will use the
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// original non proxy versions of these functions.
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try {
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// Default poll interval is 1000ms if not provided in the config.
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const pollInterval = analytics.rtcstatsPollInterval || 1000;
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// Initialize but don't connect to the rtcstats server wss, as it will start sending data for all
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// media calls made even before the conference started.
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RTCStats.init({
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rtcstatsEndpoint: analytics.rtcstatsEndpoint,
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rtcstatsPollInterval: pollInterval
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});
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} catch (error) {
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logger.error('Failed to initialize RTCStats: ', error);
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}
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}
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break;
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}
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case CONFERENCE_JOINED: {
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if (analytics.rtcstatsEndpoint && RTCStats.isInitialized()) {
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// Once the conference started connect to the rtcstats server and send data.
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try {
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RTCStats.connect();
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const localParticipant = getLocalParticipant(state);
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// The current implementation of rtcstats-server is configured to send data to amplitude, thus
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// we add identity specific information so we can corelate on the amplitude side. If amplitude is
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// not configured an empty object will be sent.
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// The current configuration of the conference is also sent as metadata to rtcstats server.
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// This is done in order to facilitate queries based on different conference configurations.
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// e.g. Find all RTCPeerConnections that connect to a specific shard or were created in a
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// conference with a specific version.
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RTCStats.sendIdentityData({
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...getAmplitudeIdentity(),
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...config,
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displayName: localParticipant?.name
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});
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} catch (error) {
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// If the connection failed do not impact jitsi-meet just silently fail.
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logger.error('RTCStats connect failed with: ', error);
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}
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}
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break;
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}
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}
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return next(action);
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});
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