@twilio/voice-sdk
Version:
Twilio's JavaScript Voice SDK
213 lines • 16.5 kB
JavaScript
;
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getRTCStats = getRTCStats;
exports.getRTCIceCandidateStatsReport = getRTCIceCandidateStatsReport;
// @ts-nocheck
// tslint:disable no-empty
var errors_1 = require("../errors");
var mockrtcstatsreport_1 = require("./mockrtcstatsreport");
var ERROR_PEER_CONNECTION_NULL = 'PeerConnection is null';
var ERROR_WEB_RTC_UNSUPPORTED = 'WebRTC statistics are unsupported';
/**
* Helper function to find a specific stat from a report.
* Some environment provide the stats report as a map (regular browsers)
* but some provide stats report as an array (citrix vdi)
* @private
*/
function findStatById(report, id) {
if (typeof report.get === 'function') {
return report.get(id);
}
return report.find(function (s) { return s.id === id; });
}
/**
* Generate WebRTC statistics report for the given {@link PeerConnection}
* @param {PeerConnection} peerConnection - Target connection.
* @return {Promise<RTCStatsReport>} WebRTC RTCStatsReport object
*/
function getRTCStatsReport(peerConnection) {
if (!peerConnection) {
return Promise.reject(new errors_1.InvalidArgumentError(ERROR_PEER_CONNECTION_NULL));
}
if (typeof peerConnection.getStats !== 'function') {
return Promise.reject(new errors_1.NotSupportedError(ERROR_WEB_RTC_UNSUPPORTED));
}
var promise;
try {
promise = peerConnection.getStats();
}
catch (e) {
promise = new Promise(function (resolve) { return peerConnection.getStats(resolve); }).then(mockrtcstatsreport_1.default.fromRTCStatsResponse);
}
return promise;
}
/**
* @typedef {Object} StatsOptions
* Used for testing to inject and extract methods.
* @property {function} [createRTCSample] - Method for parsing an RTCStatsReport
*/
/**
* Collects any WebRTC statistics for the given {@link PeerConnection}
* @param {PeerConnection} peerConnection - Target connection.
* @param {StatsOptions} options - List of custom options.
* @return {Promise<RTCSample>} Universally-formatted version of RTC stats.
*/
function getRTCStats(peerConnection, options) {
options = Object.assign({ createRTCSample: createRTCSample }, options);
return getRTCStatsReport(peerConnection).then(options.createRTCSample);
}
/**
* Generate WebRTC stats report containing relevant information about ICE candidates for the given {@link PeerConnection}
* @param {PeerConnection} peerConnection - Target connection.
* @return {Promise<RTCIceCandidateStatsReport>} RTCIceCandidateStatsReport object
*/
function getRTCIceCandidateStatsReport(peerConnection) {
return getRTCStatsReport(peerConnection).then(function (report) {
// Find the relevant information needed to determine selected candidates later
var _a = Array.from(report.values()).reduce(function (rval, stat) {
['candidatePairs', 'localCandidates', 'remoteCandidates'].forEach(function (prop) {
if (!rval[prop]) {
rval[prop] = [];
}
});
switch (stat.type) {
case 'candidate-pair':
rval.candidatePairs.push(stat);
break;
case 'local-candidate':
rval.localCandidates.push(stat);
break;
case 'remote-candidate':
rval.remoteCandidates.push(stat);
break;
case 'transport':
// This transport is the one being used if selectedCandidatePairId is populated
if (stat.selectedCandidatePairId) {
rval.transport = stat;
}
break;
}
return rval;
}, {}), candidatePairs = _a.candidatePairs, localCandidates = _a.localCandidates, remoteCandidates = _a.remoteCandidates, transport = _a.transport;
// This is a report containing information about the selected candidates, such as IDs
// This is coming from WebRTC stats directly and doesn't contain the actual ICE Candidates info
var selectedCandidatePairReport = candidatePairs.find(function (pair) {
// Firefox
return pair.selected ||
// Spec-compliant way
(transport && pair.id === transport.selectedCandidatePairId);
});
var selectedIceCandidatePairStats;
if (selectedCandidatePairReport) {
selectedIceCandidatePairStats = {
localCandidate: localCandidates.find(function (candidate) { return candidate.id === selectedCandidatePairReport.localCandidateId; }),
remoteCandidate: remoteCandidates.find(function (candidate) { return candidate.id === selectedCandidatePairReport.remoteCandidateId; }),
};
}
// Build the return object
return {
iceCandidateStats: __spreadArray(__spreadArray([], localCandidates, true), remoteCandidates, true),
selectedIceCandidatePairStats: selectedIceCandidatePairStats,
};
});
}
/**
* @typedef {Object} RTCSample - A sample containing relevant WebRTC stats information.
* @property {Number} [timestamp]
* @property {String} [codecName] - MimeType name of the codec being used by the outbound audio stream
* @property {Number} [rtt] - Round trip time
* @property {Number} [jitter]
* @property {Number} [packetsSent]
* @property {Number} [packetsLost]
* @property {Number} [packetsReceived]
* @property {Number} [bytesReceived]
* @property {Number} [bytesSent]
* @property {Number} [localAddress]
* @property {Number} [remoteAddress]
*/
function RTCSample() { }
/**
* Create an RTCSample object from an RTCStatsReport
* @private
* @param {RTCStatsReport} statsReport
* @returns {RTCSample}
*/
function createRTCSample(statsReport) {
var activeTransportId = null;
var sample = new RTCSample();
var fallbackTimestamp;
Array.from(statsReport.values()).forEach(function (stats) {
// Skip isRemote tracks which will be phased out completely and break in FF66.
if (stats.isRemote) {
return;
}
// Firefox hack -- Older firefox doesn't have dashes in type names
var type = stats.type.replace('-', '');
fallbackTimestamp = fallbackTimestamp || stats.timestamp;
// (rrowland) As I understand it, this is supposed to come in on remote-inbound-rtp but it's
// currently coming in on remote-outbound-rtp, so I'm leaving this outside the switch until
// the appropriate place to look is cleared up.
if (stats.remoteId) {
var remote = findStatById(statsReport, stats.remoteId);
if (remote && remote.roundTripTime) {
sample.rtt = remote.roundTripTime * 1000;
}
}
switch (type) {
case 'inboundrtp':
sample.timestamp = sample.timestamp || stats.timestamp;
sample.jitter = stats.jitter * 1000;
sample.packetsLost = stats.packetsLost;
sample.packetsReceived = stats.packetsReceived;
sample.bytesReceived = stats.bytesReceived;
break;
case 'outboundrtp':
sample.timestamp = stats.timestamp;
sample.packetsSent = stats.packetsSent;
sample.bytesSent = stats.bytesSent;
if (stats.codecId) {
var codec = findStatById(statsReport, stats.codecId);
sample.codecName = codec
? codec.mimeType && codec.mimeType.match(/(.*\/)?(.*)/)[2]
: stats.codecId;
}
break;
case 'transport':
activeTransportId = stats.id;
break;
}
});
if (!sample.timestamp) {
sample.timestamp = fallbackTimestamp;
}
var activeTransport = findStatById(statsReport, activeTransportId);
if (!activeTransport) {
return sample;
}
var selectedCandidatePair = findStatById(statsReport, activeTransport.selectedCandidatePairId);
if (!selectedCandidatePair) {
return sample;
}
var localCandidate = findStatById(statsReport, selectedCandidatePair.localCandidateId);
var remoteCandidate = findStatById(statsReport, selectedCandidatePair.remoteCandidateId);
if (!sample.rtt) {
sample.rtt = selectedCandidatePair &&
(selectedCandidatePair.currentRoundTripTime * 1000);
}
Object.assign(sample, {
// ip is deprecated. use address first then ip if on older versions of browser
localAddress: localCandidate && (localCandidate.address || localCandidate.ip),
remoteAddress: remoteCandidate && (remoteCandidate.address || remoteCandidate.ip),
});
return sample;
}
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