@telnyx/webrtc
Version:
Telnyx WebRTC Client
1 lines • 94.5 kB
JavaScript
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Q="telnyx-voice-sdk-id";function X(){return sessionStorage.getItem(Q)}"undefined"!=typeof window&&window.addEventListener("beforeunload",(()=>{sessionStorage.removeItem(Q)}));let Z="undefined"!=typeof WebSocket?WebSocket:null;const ee=0,te=1,ne=2,ie=3;class se{constructor(e){this.session=e,this.previousGatewayState="",this._wsClient=null,this._host=v,this._timers={},this.upDur=null,this.downDur=null;const{host:t,env:n,region:i}=e.options;n&&(this._host="development"===n?"wss://rtcdev.telnyx.com":v),t&&(this._host=(e=>`${E.test(e)?"":"wss://"}${e}`)(t)),i&&(this._host=this._host.replace(/rtc(dev)?/,`${i}.rtc$1`))}get connected(){return this._wsClient&&this._wsClient.readyState===te}get connecting(){return this._wsClient&&this._wsClient.readyState===ee}get closing(){return this._wsClient&&this._wsClient.readyState===ne}get closed(){return this._wsClient&&this._wsClient.readyState===ie}get isAlive(){return this.connecting||this.connected}get isDead(){return 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re={id:"callID",destinationNumber:"destination_number",remoteCallerName:"remote_caller_id_name",remoteCallerNumber:"remote_caller_id_number",callerName:"caller_id_name",callerNumber:"caller_id_number",customHeaders:"custom_headers"};class ae extends oe{constructor(e={}){if(super(),e.hasOwnProperty("dialogParams")){const n=t(e.dialogParams,["remoteSdp","localStream","remoteStream","onNotification","camId","micId","speakerId"]);for(const e in re)e&&n.hasOwnProperty(e)&&(n[re[e]]=n[e],delete n[e]);e.dialogParams=n}this.buildRequest({method:this.toString(),params:e})}}class ce extends ae{constructor(){super(),this.method=F.GatewayState;this.buildRequest({method:this.method,params:{}})}}class de{constructor(e){this.pendingRequestId=null,this.onSocketMessage=e=>n(this,void 0,void 0,(function*(){e.id===this.pendingRequestId&&this.gatewayStateTask.resolve(R(e))})),this.getIsRegistered=()=>n(this,void 0,void 0,(function*(){const e=new ce;this.pendingRequestId=e.request.id,this.gatewayStateTask=L({}),this.session.execute(e);const t=yield this.gatewayStateTask.promise;return!!t&&[Y.REGISTER,Y.REGED].includes(t)})),this.session=e,this.gatewayStateTask=L({}),this.session.on("telnyx.socket.message",this.onSocketMessage)}}class le{constructor(e){if(this.options=e,this.uuid=c(),this.sessionid="",this.subscriptions={},this.signature=null,this.relayProtocol=null,this.contexts=[],this.timeoutErrorCode=-32e3,this.connection=null,this._jwtAuth=!1,this._doKeepAlive=!1,this._autoReconnect=!0,this._idle=!1,this._executeQueue=[],!this.validateOptions())throw new Error("Invalid init options");this._onSocketOpen=this._onSocketOpen.bind(this),this.onNetworkClose=this.onNetworkClose.bind(this),this._onSocketMessage=this._onSocketMessage.bind(this),this._handleLoginError=this._handleLoginError.bind(this),this._attachListeners(),this.connection=new se(this),this.registerAgent=new de(this)}get __logger(){return h}get connected(){return this.connection&&this.connection.connected}get reconnectDelay(){return 1e3*k(2,6)}execute(e){return this._idle?new Promise((t=>this._executeQueue.push({resolve:t,msg:e}))):this.connected?this.connection.send(e):new Promise((t=>{this._executeQueue.push({resolve:t,msg:e}),this.connect()}))}executeRaw(e){this._idle?this._executeQueue.push({msg:e}):this.connection.sendRawText(e)}validateOptions(){return T(this.options)||x(this.options)}broadcast(e){}disconnect(){return n(this,void 0,void 0,(function*(){clearTimeout(this._reconnectTimeout),this.subscriptions={},this._autoReconnect=!1,this.relayProtocol=null,this._closeConnection(),yield sessionStorage.removeItem(this.signature),this._executeQueue=[],this._detachListeners()}))}on(e,t){return P(e,t,this.uuid),this}off(e,t){return j(e,t,this.uuid),this}connect(){return n(this,void 0,void 0,(function*(){this.connection||(this.connection=new se(this)),this._attachListeners(),this.connection.isAlive||this.connection.connect()}))}_handleLoginError(t){$(e.SwEvent.Error,{error:t,sessionId:this.sessionid},this.uuid)}_onSocketOpen(){return n(this,void 0,void 0,(function*(){}))}onNetworkClose(){this.relayProtocol&&V(this.relayProtocol);for(const e in this.subscriptions)V(e);this.subscriptions={},this.contexts=[],this._autoReconnect&&(this._reconnectTimeout=setTimeout((()=>this.connect()),this.reconnectDelay))}_onSocketMessage(e){}_removeSubscription(e,t){this._existsSubscription(e,t)&&(t?(delete this.subscriptions[e][t],j(e,null,t)):(delete this.subscriptions[e],V(e)))}_addSubscription(e,t=null,n){this._existsSubscription(e,n)||(this._existsSubscription(e)||(this.subscriptions[e]={}),this.subscriptions[e][n]={},S(t)&&P(e,t,n))}_existsSubscription(e,t){return!(!this.subscriptions.hasOwnProperty(e)||!(!t||t&&this.subscriptions[e].hasOwnProperty(t)))}_attachListeners(){this._detachListeners(),this.on(e.SwEvent.SocketOpen,this._onSocketOpen),this.on(e.SwEvent.SocketClose,this.onNetworkClose),this.on(e.SwEvent.SocketError,this.onNetworkClose),this.on(e.SwEvent.SocketMessage,this._onSocketMessage)}_detachListeners(){this.off(e.SwEvent.SocketOpen,this._onSocketOpen),this.off(e.SwEvent.SocketClose,this.onNetworkClose),this.off(e.SwEvent.SocketError,this.onNetworkClose),this.off(e.SwEvent.SocketMessage,this._onSocketMessage)}_emptyExecuteQueues(){this._executeQueue.forEach((({resolve:e,msg:t})=>{"string"==typeof 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n=t.video.inbound.find((t=>t.id===e.id));e.bitrate=y(e,n,"bytesReceived"),e.packetRate=y(e,n,"packetsReceived")})),e.video.outbound.map((e=>{let n=t.video.outbound.find((t=>t.id===e.id));e.bitrate=y(e,n,"bytesSent"),e.packetRate=y(e,n,"packetsSent")})),e):e}(i,t),i}let S,I={},E=[];t.WebRTCStats=class extends s{constructor(e){if(super(),this.monitoringSetInterval=0,this.connectionMonitoringSetInterval=0,this.connectionMonitoringInterval=1e3,this.remote=!0,this.peersToMonitor={},this.timeline=[],this.statsToMonitor=["inbound-rtp","outbound-rtp","remote-inbound-rtp","remote-outbound-rtp","peer-connection","data-channel","stream","track","sender","receiver","transport","candidate-pair","local-candidate","remote-candidate"],"undefined"==typeof window)throw new Error("WebRTCStats only works in browser");const t={...e};this.isEdge=!!window.RTCIceGatherer,this.getStatsInterval=t.getStatsInterval||1e3,this.rawStats=!!t.rawStats,this.statsObject=!!t.statsObject,this.filteredStats=!!t.filteredStats,this.shouldWrapGetUserMedia=!!t.wrapGetUserMedia,"boolean"==typeof t.remote&&(this.remote=t.remote),this.debug=!!t.debug,this.logLevel=t.logLevel||"none",this.shouldWrapGetUserMedia&&this.wrapGetUserMedia()}async addPeer(e,t){return console.warn("The addPeer() method has been deprecated, please use addConnection()"),this.addConnection({peerId:e,pc:t})}async addConnection(e){const{pc:t,peerId:n}=e;let{connectionId:i,remote:s}=e;if(s="boolean"==typeof s?s:this.remote,!(t&&t instanceof RTCPeerConnection))throw new Error("Missing argument 'pc' or is not of instance RTCPeerConnection");if(!n)throw new Error("Missing argument peerId");if(this.isEdge)throw new Error("Can't monitor peers in Edge at this time.");if(this.peersToMonitor[n]){if(i&&i in this.peersToMonitor[n])throw new Error(`We are already monitoring connection with id ${i}.`);for(let e in this.peersToMonitor[n]){const i=this.peersToMonitor[n][e];if(i.pc===t)throw new Error(`We are already monitoring peer with id ${n}.`);"closed"===i.pc.connectionState&&this.removeConnection({pc:i.pc})}}const o=t.getConfiguration();return o.iceServers&&o.iceServers.forEach((function(e){delete e.credential})),i||(i=m()),this.emitEvent({event:"addConnection",tag:"peer",peerId:n,connectionId:i,data:{options:e,peerConfiguration:o}}),this.monitorPeer({peerId:n,connectionId:i,pc:t,remote:s}),{connectionId:i}}getTimeline(e){return this.timeline=this.timeline.sort(((e,t)=>e.timestamp.getTime()-t.timestamp.getTime())),e?this.timeline.filter((t=>t.tag===e)):this.timeline}get logger(){const e=e=>{const t=["none","error","warn","info","debug"];return t.slice(0,t.indexOf(this.logLevel)+1).indexOf(e)>-1};return{error(...t){this.debug&&e("error")&&console.error("[webrtc-stats][error] ",...t)},warn(...t){this.debug&&e("warn")&&console.warn("[webrtc-stats][warn] ",...t)},info(...t){this.debug&&e("info")&&console.log("[webrtc-stats][info] ",...t)},debug(...t){this.debug&&e("debug")&&console.debug("[webrtc-stats][debug] ",...t)}}}removeConnection(e){let t,{connectionId:n,pc:i}=e;if(!i&&!n)throw new Error("Missing arguments. You need to either send pc or a connectionId.");if(n){if("string"!=typeof n)throw new Error("connectionId must be a string.");for(let e in this.peersToMonitor)n in this.peersToMonitor[e]&&(i=this.peersToMonitor[e][n].pc,t=e)}else if(i){if(!(i instanceof RTCPeerConnection))throw new Error("pc must be an instance of RTCPeerConnection.");for(let e in this.peersToMonitor)for(let s in this.peersToMonitor[e])this.peersToMonitor[e][s].pc===i&&(n=s,t=e)}if(!i||!n)throw new Error("Could not find the desired connection.");return this.removePeerConnectionEventListeners(n,i),delete this.peersToMonitor[t][n],0===Object.values(this.peersToMonitor[t]).length&&delete this.peersToMonitor[t],{connectionId:n}}removeAllPeers(){for(let e in this.peersToMonitor)this.removePeer(e)}removePeer(e){if(this.logger.info(`Removing PeerConnection with id ${e}.`),this.peersToMonitor[e]){for(let t in this.peersToMonitor[e]){let n=this.peersToMonitor[e][t].pc;this.removePeerConnectionEventListeners(t,n)}delete this.peersToMonitor[e]}}destroy(){this.removeAllPeers(),E.forEach((e=>{this.removeTrackEventListeners(e)})),E=[],this.shouldWrapGetUserMedia&&S&&(navigator.mediaDevices.getUserMedia=S)}monitorPeer(e){let{peerId:t,connectionId:n,pc:i,remote:s}=e;if(!i)return void this.logger.warn("Did not receive pc argument when calling monitorPeer()");const o={pc:i,connectionId:n,stream:null,stats:{parsed:null,raw:null},options:{remote:s}};if(this.peersToMonitor[t]){if(n in this.peersToMonitor[t])return void this.logger.warn(`Already watching connection with ID ${n}`);this.peersToMonitor[t][n]=o}else this.peersToMonitor[t]={[n]:o};this.addPeerConnectionEventListeners(t,n,i),1===this.numberOfMonitoredPeers&&(this.startStatsMonitoring(),this.startConnectionStateMonitoring())}startStatsMonitoring(){this.monitoringSetInterval||(this.monitoringSetInterval=window.setInterval((()=>{this.numberOfMonitoredPeers||this.stopStatsMonitoring(),this.getStats().then((e=>{e.forEach((e=>{this.emitEvent(e)}))}))}),this._getStatsInterval))}stopStatsMonitoring(){this.monitoringSetInterval&&(window.clearInterval(this.monitoringSetInterval),this.monitoringSetInterval=0)}async getStats(e=null){this.logger.info(e?`Getting stats from peer ${e}`:"Getting stats from all peers");let t={};if(e){if(!this.peersToMonitor[e])throw new Error(`Cannot get stats. Peer with id ${e} does not exist`);t[e]=this.peersToMonitor[e]}else t=this.peersToMonitor;let n=[];for(const e in t)for(const i in t[e]){const s=t[e][i],o=s.pc;if(o&&!this.checkIfConnectionIsClosed(e,i,o))try{const t=this.getTimestamp(),r=o.getStats(null);if(r){const o=await r,a=this.getTimestamp(),c=w(o),d={remote:s.options.remote},l=_(o,s.stats.parsed,d),u={event:"stats",tag:"stats",peerId:e,connectionId:i,timeTaken:a-t,data:l};!0===this.rawStats&&(u.rawStats=o),!0===this.statsObject&&(u.statsObject=c),!0===this.filteredStats&&(u.filteredStats=this.filteroutStats(c)),n.push(u),s.stats.parsed=l}else this.logger.error(`PeerConnection from peer ${e} did not return any stats data`)}catch(e){this.logger.error(e)}}return n}startConnectionStateMonitoring(){this.connectionMonitoringSetInterval=window.setInterval((()=>{this.numberOfMonitoredPeers||this.stopConnectionStateMonitoring();for(const e in this.peersToMonitor)for(const t in this.peersToMonitor[e]){const n=this.peersToMonitor[e][t].pc;this.checkIfConnectionIsClosed(e,t,n)}}),this.connectionMonitoringInterval)}checkIfConnectionIsClosed(e,t,n){const i=this.isConnectionClosed(n);if(i){this.removeConnection({pc:n});let i="closed"===n.connectionState?"onconnectionstatechange":"oniceconnectionstatechange";this.emitEvent({event:i,peerId:e,connectionId:t,tag:"connection",data:"closed"})}return i}isConnectionClosed(e){return"closed"===e.connectionState||"closed"===e.iceConnectionState}stopConnectionStateMonitoring(){this.connectionMonitoringSetInterval&&(window.clearInterval(this.connectionMonitoringSetInterval),this.connectionMonitoringSetInterval=0)}wrapGetUserMedia(){if(!navigator.mediaDevices||!navigator.mediaDevices.getUserMedia)return void this.logger.warn("'navigator.mediaDevices.getUserMedia' is not available in browser. Will not wrap getUserMedia.");this.logger.info("Wrapping getUsermedia functions."),S=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);const e=this.parseGetUserMedia.bind(this);navigator.mediaDevices.getUserMedia=function(){return e({constraints:arguments[0]}),S.apply(navigator.mediaDevices,arguments).then((t=>(e({stream:t}),t)),(t=>(e({error:t}),Promise.reject(t))))}.bind(navigator.mediaDevices)}filteroutStats(e={}){const t={...e};for(const e in t){var n=t[e];this.statsToMonitor.includes(n.type)||delete t[e]}return t}get peerConnectionListeners(){return{icecandidate:(e,t,n,i)=>{this.logger.debug("[pc-event] icecandidate | peerId: ${peerId}",i),this.emitEvent({event:"onicecandidate",tag:"connection",peerId:e,connectionId:t,data:i.candidate})},track:(e,t,n,i)=>{this.logger.debug(`[pc-event] track | peerId: ${e}`,i);const s=i.track,o=i.streams[0];e in this.peersToMonitor&&t in this.peersToMonitor[e]&&(this.peersToMonitor[e][t].stream=o),this.addTrackEventListeners(s,t),this.emitEvent({event:"ontrack",tag:"track",peerId:e,connectionId:t,data:{stream:o?this.getStreamDetails(o):null,track:s?this.getMediaTrackDetails(s):null,title:i.track.kind+":"+i.track.id+" "+i.streams.map((function(e){return"stream:"+e.id}))}})},signalingstatechange:(e,t,n)=>{this.logger.debug(`[pc-event] signalingstatechange | peerId: ${e}`),this.emitEvent({event:"onsignalingstatechange",tag:"connection",peerId:e,connectionId:t,data:{signalingState:n.signalingState,localDescription:n.localDescription,remoteDescription:n.remoteDescription}})},iceconnectionstatechange:(e,t,n)=>{this.logger.debug(`[pc-event] iceconnectionstatechange | peerId: ${e}`),this.emitEvent({event:"oniceconnectionstatechange",tag:"connection",peerId:e,connectionId:t,data:n.iceConnectionState})},icegatheringstatechange:(e,t,n)=>{this.logger.debug(`[pc-event] icegatheringstatechange | peerId: ${e}`),this.emitEvent({event:"onicegatheringstatechange",tag:"connection",peerId:e,connectionId:t,data:n.iceGatheringState})},icecandidateerror:(e,t,n,i)=>{this.logger.debug(`[pc-event] icecandidateerror | peerId: ${e}`),this.emitEvent({event:"onicecandidateerror",tag:"connection",peerId:e,connectionId:t,error:{errorCode:i.errorCode}})},connectionstatechange:(e,t,n)=>{this.logger.debug(`[pc-event] connectionstatechange | peerId: ${e}`),this.emitEvent({event:"onconnectionstatechange",tag:"connection",peerId:e,connectionId:t,data:n.connectionState})},negotiationneeded:(e,t,n)=>{this.logger.debug(`[pc-event] negotiationneeded | peerId: ${e}`),this.emitEvent({event:"onnegotiationneeded",tag:"connection",peerId:e,connectionId:t})},datachannel:(e,t,n,i)=>{this.logger.debug(`[pc-event] datachannel | peerId: ${e}`,i),this.emitEvent({event:"ondatachannel",tag:"datachannel",peerId:e,connectionId:t,data:i.channel})}}}addPeerConnectionEventListeners(e,t,n){this.logger.debug(`Adding event listeners for peer ${e} and connection ${t}.`),I[t]={},Object.keys(this.peerConnectionListeners).forEach((i=>{I[t][i]=this.peerConnectionListeners[i].bind(this,e,t,n),n.addEventListener(i,I[t][i],!1)}))}parseGetUserMedia(e){try{const t={event:"getUserMedia",tag:"getUserMedia",data:{...e}};e.stream&&(t.data.details=this.parseStream(e.stream),e.stream.getTracks().map((e=>{this.addTrackEventListeners(e),E.push(e)}))),this.emitEvent(t)}catch(e){}}parseStream(e){const t={audio:[],video:[]};return e.getTracks().forEach((e=>{t[e.kind].push(this.getMediaTrackDetails(e))})),t}getMediaTrackDetails(e){return{enabled:e.enabled,id:e.id,contentHint:e.contentHint,kind:e.kind,label:e.label,muted:e.muted,readyState:e.readyState,constructorName:e.constructor.name,capabilities:e.getCapabilities?e.getCapabilities():{},constraints:e.getConstraints?e.getConstraints():{},settings:e.getSettings?e.getSettings():{},_track:e}}getStreamDetails(e){return{active:e.active,id:e.id,_stream:e}}getTrackEventObject(e){return{mute:t=>{this.emitEvent({event:"mute",tag:"track",connectionId:e,data:{event:t}})},unmute:t=>{this.emitEvent({event:"unmute",tag:"track",connectionId:e,data:{event:t}})},overconstrained:t=>{this.emitEvent({event:"overconstrained",tag:"track",connectionId:e,data:{event:t}})},ended:t=>{this.emitEvent({event:"ended",tag:"track",connectionId:e,data:{event:t}}),this.removeTrackEventListeners(t.target)}}}addTrackEventListeners(e,t){I[e.id]={};const n=this.getTrackEventObject(t);Object.keys(n).forEach((t=>{I[e.id][t]=n[t].bind(this),e.addEventListener(t,I[e.id][t])})),I[e.id].readyState=setInterval((()=>{if("ended"===e.readyState){let t=new CustomEvent("ended",{detail:{check:"readyState"}});e.dispatchEvent(t)}}),1e3)}removeTrackEventListeners(e){if(e.id in I){const t=this.getTrackEventObject();Object.keys(t).forEach((t=>{e.removeEventListener(t,I[e.id][t])})),clearInterval(I[e.id].readyState),delete I[e.id]}}addToTimeline(e){this.timeline.push(e),this.emit("timeline",e)}emitEvent(e){const t={...e,timestamp:new Date};this.addToTimeline(t),t.tag&&this.emit(t.tag,t)}set getStatsInterval(e){if(!Number.isInteger(e))throw new Error(`getStatsInterval should be an integer, got: ${e}`);this._getStatsInterval=e,this.monitoringSetInterval&&(this.stopStatsMonitoring(),this.startStatsMonitoring())}get numberOfMonitoredPeers(){return Object.keys(this.peersToMonitor).length}removePeerConnectionEventListeners(e,t){e in I&&(Object.keys(this.peerConnectionListeners).forEach((n=>{t.removeEventListener(n,I[e][n],!1)})),delete I[e]),t.getSenders().forEach((e=>{e.track&&this.removeTrackEventListeners(e.track)})),t.getReceivers().forEach((e=>{e.track&&this.removeTrackEventListeners(e.track)}))}getTimestamp(){return Date.now()}wrapGetDisplayMedia(){const e=this;if(navigator.mediaDevices&&navigator.mediaDevices.getDisplayMedia){const t=navigator.mediaDevices.getDisplayMedia.bind(navigator.mediaDevices),n=function(){return e.debug("navigator.mediaDevices.getDisplayMedia",null,arguments[0]),t.apply(navigator.mediaDevices,arguments).then((function(e){return e}),(function(t){return e.debug("navigator.mediaDevices.getDisplayMediaOnFailure",null,t.name),Promise.reject(t)}))};navigator.mediaDevices.getDisplayMedia=n.bind(navigator.mediaDevices)}}}}));(Ze=et)&&Ze.__esModule&&Object.prototype.hasOwnProperty.call(Ze,"default")&&Ze.default;var tt=et.WebRTCStats;function nt(e){const{packetsLost:t,packetsReceived:n,jitter:i,rtt:s}=e,o=function(e){const{jitter:t,rtt:n}=e,i=t+n/2;return.024*i+.11*(i-177.3)*(i>177.3?1:0)}({rtt:s,jitter:i}),r=function(e){const{packetsLost:t,packetsReceived:n}=e,i=t/(n+t)*100;return 20*Math.log(1+i)}({packetsLost:t,packetsReceived:n}),a=93.2-o-r+0,c=1+.035*a+7e-6*a*(a-60)*(100-a);return Math.min(Math.max(c,1),5)}function it(e){return isNaN(e)?null:e>4.2?"excellent":e>=4.1&&e<=4.2?"good":e>=3.7&&e<=4?"fair":e>=3.1&&e<=3.6?"poor":"bad"}class st extends oe{constructor(e){super(),this.buildRequest({type:"debug_report_start",debug_report_id:e,debug_report_version:1})}}class ot extends oe{constructor(e){super(),this.buildRequest({type:"debug_report_stop",debug_report_id:e,debug_report_version:1})}}class rt extends oe{constructor(e,t){super(),this.buildRequest({type:"debug_report_data",debug_report_id:e,debug_report_version:1,debug_report_data:t})}}function at(t){const i=c(),s=new tt({getStatsInterval:1e3,rawStats:!1,statsObject:!0,filteredStats:!1,remote:!0,debug:!1,logLevel:"warn"}),o=s=>n(this,void 0,void 0,(function*(){"stats"===s.event&&$(e.SwEvent.StatsFrame,function({data:e}){var t,n,i,s,o,r,a,c;const{audio:d,remote:l}=e,{audio:u}=l,h=null!==(n=null===(t=u.inbound[0])||void 0===t?void 0:t.jitter)&&void 0!==n?n:1/0,p=null!==(s=null===(i=u.inbound[0])||void 0===i?void 0:i.roundTripTime)&&void 0!==s?s:1/0,g=null!==(r=null===(o=d.inbound[0])||void 0===o?void 0:o.packetsReceived)&&void 0!==r?r:-1,v=null!==(c=null===(a=d.inbound[0])||void 0===a?void 0:a.packetsLost)&&void 0!