mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
synced 2024-12-22 12:04:58 -05:00
608 lines
23 KiB
JavaScript
608 lines
23 KiB
JavaScript
/*
|
|
Copyright 2014 OpenMarket 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.
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
var forAllVideoTracksOnStream = function(s, f) {
|
|
var tracks = s.getVideoTracks();
|
|
for (var i = 0; i < tracks.length; i++) {
|
|
f(tracks[i]);
|
|
}
|
|
}
|
|
|
|
var forAllAudioTracksOnStream = function(s, f) {
|
|
var tracks = s.getAudioTracks();
|
|
for (var i = 0; i < tracks.length; i++) {
|
|
f(tracks[i]);
|
|
}
|
|
}
|
|
|
|
var forAllTracksOnStream = function(s, f) {
|
|
forAllVideoTracksOnStream(s, f);
|
|
forAllAudioTracksOnStream(s, f);
|
|
}
|
|
|
|
navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia;
|
|
window.RTCPeerConnection = window.RTCPeerConnection || window.webkitRTCPeerConnection; // but not mozRTCPeerConnection because its interface is not compatible
|
|
window.RTCSessionDescription = window.RTCSessionDescription || window.webkitRTCSessionDescription || window.mozRTCSessionDescription;
|
|
window.RTCIceCandidate = window.RTCIceCandidate || window.webkitRTCIceCandidate || window.mozRTCIceCandidate;
|
|
|
|
// Returns true if the browser supports all required features to make WebRTC call
|
|
var isWebRTCSupported = function () {
|
|
return !!(navigator.getUserMedia || window.RTCPeerConnection || window.RTCSessionDescription || window.RTCIceCandidate);
|
|
};
|
|
|
|
angular.module('MatrixCall', [])
|
|
.factory('MatrixCall', ['matrixService', 'matrixPhoneService', '$rootScope', '$timeout', function MatrixCallFactory(matrixService, matrixPhoneService, $rootScope, $timeout) {
|
|
$rootScope.isWebRTCSupported = isWebRTCSupported();
|
|
|
|
var MatrixCall = function(room_id) {
|
|
this.room_id = room_id;
|
|
this.call_id = "c" + new Date().getTime();
|
|
this.state = 'fledgling';
|
|
this.didConnect = false;
|
|
|
|
// a queue for candidates waiting to go out. We try to amalgamate candidates into a single candidate message where possible
|
|
this.candidateSendQueue = [];
|
|
this.candidateSendTries = 0;
|
|
|
|
var self = this;
|
|
$rootScope.$watch(this.remoteVideoElement, function (oldValue, newValue) {
|
|
self.tryPlayRemoteStream();
|
|
});
|
|
|
|
}
|
|
|
|
MatrixCall.getTurnServer = function() {
|
|
matrixService.getTurnServer().then(function(response) {
|
|
if (response.data.uris) {
|
|
console.log("Got TURN URIs: "+response.data.uris);
|
|
MatrixCall.turnServer = response.data;
|
|
$rootScope.haveTurn = true;
|
|
// re-fetch when we're about to reach the TTL
|
|
$timeout(MatrixCall.getTurnServer, MatrixCall.turnServer.ttl * 1000 * 0.9);
|
|
} else {
|
|
console.log("Got no TURN URIs from HS");
|
|
$rootScope.haveTurn = false;
|
|
}
|
|
}, function(error) {
|
|
console.log("Failed to get TURN URIs");
|
|
MatrixCall.turnServer = {};
|
|
$timeout(MatrixCall.getTurnServer, 60000);
|
|
});
|
|
}
|
|
|
|
// FIXME: we should prevent any class from being placed or accepted before this has finished
|
|
MatrixCall.getTurnServer();
|
|
|
|
MatrixCall.CALL_TIMEOUT = 60000;
|
|
MatrixCall.FALLBACK_STUN_SERVER = 'stun:stun.l.google.com:19302';
|
|
|
|
MatrixCall.prototype.createPeerConnection = function() {
|
|
var pc;
|
|
if (window.mozRTCPeerConnection) {
|
|
var iceServers = [];
|
|
if (MatrixCall.turnServer) {
|
|
if (MatrixCall.turnServer.uris) {
|
|
for (var i = 0; i < MatrixCall.turnServer.uris.length; i++) {
|
|
iceServers.push({
|
|
'url': MatrixCall.turnServer.uris[i],
|
|
'username': MatrixCall.turnServer.username,
|
|
'credential': MatrixCall.turnServer.password,
|
|
});
|
|
}
|
|
} else {
|
|
console.log("No TURN server: using fallback STUN server");
|
|
iceServers.push({ 'url' : MatrixCall.FALLBACK_STUN_SERVER });
|
|
}
|
|
}
|
|
|
|
pc = new window.mozRTCPeerConnection({"iceServers":iceServers});
|
|
} else {
|
|
var iceServers = [];
|
|
if (MatrixCall.turnServer) {
|
|
if (MatrixCall.turnServer.uris) {
|
|
iceServers.push({
|
|
'urls': MatrixCall.turnServer.uris,
|
|
'username': MatrixCall.turnServer.username,
|
|
'credential': MatrixCall.turnServer.password,
|
|
});
|
|
} else {
|
|
console.log("No TURN server: using fallback STUN server");
|
|
iceServers.push({ 'urls' : MatrixCall.FALLBACK_STUN_SERVER });
|
|
}
|
|
}
|
|
|
|
pc = new window.RTCPeerConnection({"iceServers":iceServers});
|
|
}
|
|
var self = this;
|
|
pc.oniceconnectionstatechange = function() { self.onIceConnectionStateChanged(); };
|
|
pc.onsignalingstatechange = function() { self.onSignallingStateChanged(); };
|
|
pc.onicecandidate = function(c) { self.gotLocalIceCandidate(c); };
|
|
pc.onaddstream = function(s) { self.onAddStream(s); };
|
|
return pc;
|
|
}
|
|
|
|
MatrixCall.prototype.getUserMediaVideoContraints = function(callType) {
|
|
switch (callType) {
|
|
case 'voice':
|
|
return ({audio: true, video: false});
|
|
case 'video':
|
|
return ({audio: true, video: {
|
|
mandatory: {
|
|
minWidth: 640,
|
|
maxWidth: 640,
|
|
minHeight: 360,
|
|
maxHeight: 360,
|
|
}
|
|
}});
|
|
}
|
|
};
|
|
|
|
MatrixCall.prototype.placeVoiceCall = function() {
|
|
this.placeCallWithConstraints(this.getUserMediaVideoContraints('voice'));
|
|
this.type = 'voice';
|
|
};
|
|
|
|
MatrixCall.prototype.placeVideoCall = function(config) {
|
|
this.placeCallWithConstraints(this.getUserMediaVideoContraints('video'));
|
|
this.type = 'video';
|
|
};
|
|
|
|
MatrixCall.prototype.placeCallWithConstraints = function(constraints) {
|
|
var self = this;
|
|
matrixPhoneService.callPlaced(this);
|
|
navigator.getUserMedia(constraints, function(s) { self.gotUserMediaForInvite(s); }, function(e) { self.getUserMediaFailed(e); });
|
|
this.state = 'wait_local_media';
|
|
this.direction = 'outbound';
|
|
this.config = constraints;
|
|
};
|
|
|
|
MatrixCall.prototype.initWithInvite = function(event) {
|
|
this.msg = event.content;
|
|
this.peerConn = this.createPeerConnection();
|
|
this.peerConn.setRemoteDescription(new RTCSessionDescription(this.msg.offer), this.onSetRemoteDescriptionSuccess, this.onSetRemoteDescriptionError);
|
|
this.state = 'ringing';
|
|
this.direction = 'inbound';
|
|
|
|
if (window.mozRTCPeerConnection) {
|
|
// firefox's RTCPeerConnection doesn't add streams until it starts getting media on them
|
|
// so we need to figure out whether a video channel has been offered by ourselves.
|
|
if (this.msg.offer.sdp.indexOf('m=video') > -1) {
|
|
this.type = 'video';
|
|
} else {
|
|
this.type = 'voice';
|
|
}
|
|
}
|
|
|
|
var self = this;
|
|
$timeout(function() {
|
|
if (self.state == 'ringing') {
|
|
self.state = 'ended';
|
|
self.hangupParty = 'remote'; // effectively
|
|
self.stopAllMedia();
|
|
if (self.peerConn.signalingState != 'closed') self.peerConn.close();
|
|
if (self.onHangup) self.onHangup(self);
|
|
}
|
|
}, this.msg.lifetime - event.age);
|
|
};
|
|
|
|
// perverse as it may seem, sometimes we want to instantiate a call with a hangup message
|
|
// (because when getting the state of the room on load, events come in reverse order and
|
|
// we want to remember that a call has been hung up)
|
|
MatrixCall.prototype.initWithHangup = function(event) {
|
|
this.msg = event.content;
|
|
this.state = 'ended';
|
|
};
|
|
|
|
MatrixCall.prototype.answer = function() {
|
|
console.log("Answering call "+this.call_id);
|
|
|
|
var self = this;
|
|
|
|
var roomMembers = $rootScope.events.rooms[this.room_id].members;
|
|
if (roomMembers[matrixService.config().user_id].membership != 'join') {
|
|
console.log("We need to join the room before we can accept this call");
|
|
matrixService.join(this.room_id).then(function() {
|
|
self.answer();
|
|
}, function() {
|
|
console.log("Failed to join room: can't answer call!");
|
|
self.onError("Unable to join room to answer call!");
|
|
self.hangup();
|
|
});
|
|
return;
|
|
}
|
|
|
|
if (!this.localAVStream && !this.waitForLocalAVStream) {
|
|
navigator.getUserMedia(this.getUserMediaVideoContraints(this.type), function(s) { self.gotUserMediaForAnswer(s); }, function(e) { self.getUserMediaFailed(e); });
|
|
this.state = 'wait_local_media';
|
|
} else if (this.localAVStream) {
|
|
this.gotUserMediaForAnswer(this.localAVStream);
|
|
} else if (this.waitForLocalAVStream) {
|
|
this.state = 'wait_local_media';
|
|
}
|
|
};
|
|
|
|
MatrixCall.prototype.stopAllMedia = function() {
|
|
if (this.localAVStream) {
|
|
forAllTracksOnStream(this.localAVStream, function(t) {
|
|
if (t.stop) t.stop();
|
|
});
|
|
}
|
|
if (this.remoteAVStream) {
|
|
forAllTracksOnStream(this.remoteAVStream, function(t) {
|
|
if (t.stop) t.stop();
|
|
});
|
|
}
|
|
};
|
|
|
|
MatrixCall.prototype.hangup = function(reason, suppressEvent) {
|
|
console.log("Ending call "+this.call_id);
|
|
|
|
// pausing now keeps the last frame (ish) of the video call in the video element
|
|
// rather than it just turning black straight away
|
|
if (this.remoteVideoElement) this.remoteVideoElement.pause();
|
|
if (this.localVideoElement) this.localVideoElement.pause();
|
|
|
|
this.stopAllMedia();
|
|
if (this.peerConn) this.peerConn.close();
|
|
|
|
this.hangupParty = 'local';
|
|
this.hangupReason = reason;
|
|
|
|
var content = {
|
|
version: 0,
|
|
call_id: this.call_id,
|
|
reason: reason
|
|
};
|
|
this.sendEventWithRetry('m.call.hangup', content);
|
|
this.state = 'ended';
|
|
if (this.onHangup && !suppressEvent) this.onHangup(this);
|
|
};
|
|
|
|
MatrixCall.prototype.gotUserMediaForInvite = function(stream) {
|
|
if (this.successor) {
|
|
this.successor.gotUserMediaForAnswer(stream);
|
|
return;
|
|
}
|
|
if (this.state == 'ended') return;
|
|
|
|
if (this.localVideoElement && this.type == 'video') {
|
|
var vidTrack = stream.getVideoTracks()[0];
|
|
this.localVideoElement.src = URL.createObjectURL(stream);
|
|
this.localVideoElement.muted = true;
|
|
this.localVideoElement.play();
|
|
}
|
|
|
|
this.localAVStream = stream;
|
|
var audioTracks = stream.getAudioTracks();
|
|
for (var i = 0; i < audioTracks.length; i++) {
|
|
audioTracks[i].enabled = true;
|
|
}
|
|
this.peerConn = this.createPeerConnection();
|
|
this.peerConn.addStream(stream);
|
|
var self = this;
|
|
this.peerConn.createOffer(function(d) {
|
|
self.gotLocalOffer(d);
|
|
}, function(e) {
|
|
self.getLocalOfferFailed(e);
|
|
});
|
|
$rootScope.$apply(function() {
|
|
self.state = 'create_offer';
|
|
});
|
|
};
|
|
|
|
MatrixCall.prototype.gotUserMediaForAnswer = function(stream) {
|
|
if (this.state == 'ended') return;
|
|
|
|
if (this.localVideoElement && this.type == 'video') {
|
|
var vidTrack = stream.getVideoTracks()[0];
|
|
this.localVideoElement.src = URL.createObjectURL(stream);
|
|
this.localVideoElement.muted = true;
|
|
this.localVideoElement.play();
|
|
}
|
|
|
|
this.localAVStream = stream;
|
|
var audioTracks = stream.getAudioTracks();
|
|
for (var i = 0; i < audioTracks.length; i++) {
|
|
audioTracks[i].enabled = true;
|
|
}
|
|
this.peerConn.addStream(stream);
|
|
var self = this;
|
|
var constraints = {
|
|
'mandatory': {
|
|
'OfferToReceiveAudio': true,
|
|
'OfferToReceiveVideo': this.type == 'video'
|
|
},
|
|
};
|
|
this.peerConn.createAnswer(function(d) { self.createdAnswer(d); }, function(e) {}, constraints);
|
|
// This can't be in an apply() because it's called by a predecessor call under glare conditions :(
|
|
self.state = 'create_answer';
|
|
};
|
|
|
|
MatrixCall.prototype.gotLocalIceCandidate = function(event) {
|
|
if (event.candidate) {
|
|
console.log("Got local ICE "+event.candidate.sdpMid+" candidate: "+event.candidate.candidate);
|
|
this.sendCandidate(event.candidate);
|
|
}
|
|
}
|
|
|
|
MatrixCall.prototype.gotRemoteIceCandidate = function(cand) {
|
|
console.log("Got remote ICE "+cand.sdpMid+" candidate: "+cand.candidate);
|
|
if (this.state == 'ended') {
|
|
console.log("Ignoring remote ICE candidate because call has ended");
|
|
return;
|
|
}
|
|
this.peerConn.addIceCandidate(new RTCIceCandidate(cand), function() {}, function(e) {});
|
|
};
|
|
|
|
MatrixCall.prototype.receivedAnswer = function(msg) {
|
|
if (this.state == 'ended') return;
|
|
|
|
this.peerConn.setRemoteDescription(new RTCSessionDescription(msg.answer), this.onSetRemoteDescriptionSuccess, this.onSetRemoteDescriptionError);
|
|
this.state = 'connecting';
|
|
};
|
|
|
|
|
|
MatrixCall.prototype.gotLocalOffer = function(description) {
|
|
console.log("Created offer: "+description);
|
|
|
|
if (this.state == 'ended') {
|
|
console.log("Ignoring newly created offer on call ID "+this.call_id+" because the call has ended");
|
|
return;
|
|
}
|
|
|
|
this.peerConn.setLocalDescription(description);
|
|
|
|
var content = {
|
|
version: 0,
|
|
call_id: this.call_id,
|
|
offer: description,
|
|
lifetime: MatrixCall.CALL_TIMEOUT
|
|
};
|
|
this.sendEventWithRetry('m.call.invite', content);
|
|
|
|
var self = this;
|
|
$timeout(function() {
|
|
if (self.state == 'invite_sent') {
|
|
self.hangup('invite_timeout');
|
|
}
|
|
}, MatrixCall.CALL_TIMEOUT);
|
|
|
|
$rootScope.$apply(function() {
|
|
self.state = 'invite_sent';
|
|
});
|
|
};
|
|
|
|
MatrixCall.prototype.createdAnswer = function(description) {
|
|
console.log("Created answer: "+description);
|
|
this.peerConn.setLocalDescription(description);
|
|
var content = {
|
|
version: 0,
|
|
call_id: this.call_id,
|
|
answer: description
|
|
};
|
|
this.sendEventWithRetry('m.call.answer', content);
|
|
var self = this;
|
|
$rootScope.$apply(function() {
|
|
self.state = 'connecting';
|
|
});
|
|
};
|
|
|
|
MatrixCall.prototype.getLocalOfferFailed = function(error) {
|
|
this.onError("Failed to start audio for call!");
|
|
};
|
|
|
|
MatrixCall.prototype.getUserMediaFailed = function() {
|
|
this.onError("Couldn't start capturing! Is your microphone set up?");
|
|
this.hangup();
|
|
};
|
|
|
|
MatrixCall.prototype.onIceConnectionStateChanged = function() {
|
|
if (this.state == 'ended') return; // because ICE can still complete as we're ending the call
|
|
console.log("Ice connection state changed to: "+this.peerConn.iceConnectionState);
|
|
// ideally we'd consider the call to be connected when we get media but chrome doesn't implement nay of the 'onstarted' events yet
|
|
if (this.peerConn.iceConnectionState == 'completed' || this.peerConn.iceConnectionState == 'connected') {
|
|
var self = this;
|
|
$rootScope.$apply(function() {
|
|
self.state = 'connected';
|
|
self.didConnect = true;
|
|
});
|
|
} else if (this.peerConn.iceConnectionState == 'failed') {
|
|
this.hangup('ice_failed');
|
|
}
|
|
};
|
|
|
|
MatrixCall.prototype.onSignallingStateChanged = function() {
|
|
console.log("call "+this.call_id+": Signalling state changed to: "+this.peerConn.signalingState);
|
|
};
|
|
|
|
MatrixCall.prototype.onSetRemoteDescriptionSuccess = function() {
|
|
console.log("Set remote description");
|
|
};
|
|
|
|
MatrixCall.prototype.onSetRemoteDescriptionError = function(e) {
|
|
console.log("Failed to set remote description"+e);
|
|
};
|
|
|
|
MatrixCall.prototype.onAddStream = function(event) {
|
|
console.log("Stream added"+event);
|
|
|
|
var s = event.stream;
|
|
|
|
this.remoteAVStream = s;
|
|
|
|
if (this.direction == 'inbound') {
|
|
if (s.getVideoTracks().length > 0) {
|
|
this.type = 'video';
|
|
} else {
|
|
this.type = 'voice';
|
|
}
|
|
}
|
|
|
|
var self = this;
|
|
forAllTracksOnStream(s, function(t) {
|
|
// not currently implemented in chrome
|
|
t.onstarted = self.onRemoteStreamTrackStarted;
|
|
});
|
|
|
|
event.stream.onended = function(e) { self.onRemoteStreamEnded(e); };
|
|
// not currently implemented in chrome
|
|
event.stream.onstarted = function(e) { self.onRemoteStreamStarted(e); };
|
|
|
|
this.tryPlayRemoteStream();
|
|
};
|
|
|
|
MatrixCall.prototype.tryPlayRemoteStream = function(event) {
|
|
if (this.remoteVideoElement && this.remoteAVStream) {
|
|
var player = this.remoteVideoElement;
|
|
player.src = URL.createObjectURL(this.remoteAVStream);
|
|
player.play();
|
|
}
|
|
};
|
|
|
|
MatrixCall.prototype.onRemoteStreamStarted = function(event) {
|
|
var self = this;
|
|
$rootScope.$apply(function() {
|
|
self.state = 'connected';
|
|
});
|
|
};
|
|
|
|
MatrixCall.prototype.onRemoteStreamEnded = function(event) {
|
|
console.log("Remote stream ended");
|
|
var self = this;
|
|
$rootScope.$apply(function() {
|
|
self.state = 'ended';
|
|
self.hangupParty = 'remote';
|
|
self.stopAllMedia();
|
|
if (self.peerConn.signalingState != 'closed') self.peerConn.close();
|
|
if (self.onHangup) self.onHangup(self);
|
|
});
|
|
};
|
|
|
|
MatrixCall.prototype.onRemoteStreamTrackStarted = function(event) {
|
|
var self = this;
|
|
$rootScope.$apply(function() {
|
|
self.state = 'connected';
|
|
});
|
|
};
|
|
|
|
MatrixCall.prototype.onHangupReceived = function(msg) {
|
|
console.log("Hangup received");
|
|
if (this.remoteVideoElement) this.remoteVideoElement.pause();
|
|
if (this.localVideoElement) this.localVideoElement.pause();
|
|
this.state = 'ended';
|
|
this.hangupParty = 'remote';
|
|
this.hangupReason = msg.reason;
|
|
this.stopAllMedia();
|
|
if (this.peerConn && this.peerConn.signalingState != 'closed') this.peerConn.close();
|
|
if (this.onHangup) this.onHangup(this);
|
|
};
|
|
|
|
MatrixCall.prototype.replacedBy = function(newCall) {
|
|
console.log(this.call_id+" being replaced by "+newCall.call_id);
|
|
if (this.state == 'wait_local_media') {
|
|
console.log("Telling new call to wait for local media");
|
|
newCall.waitForLocalAVStream = true;
|
|
} else if (this.state == 'create_offer') {
|
|
console.log("Handing local stream to new call");
|
|
newCall.gotUserMediaForAnswer(this.localAVStream);
|
|
delete(this.localAVStream);
|
|
} else if (this.state == 'invite_sent') {
|
|
console.log("Handing local stream to new call");
|
|
newCall.gotUserMediaForAnswer(this.localAVStream);
|
|
delete(this.localAVStream);
|
|
}
|
|
newCall.localVideoElement = this.localVideoElement;
|
|
newCall.remoteVideoElement = this.remoteVideoElement;
|
|
this.successor = newCall;
|
|
this.hangup(true);
|
|
};
|
|
|
|
MatrixCall.prototype.sendEventWithRetry = function(evType, content) {
|
|
var ev = { type:evType, content:content, tries:1 };
|
|
var self = this;
|
|
matrixService.sendEvent(this.room_id, evType, undefined, content).then(this.eventSent, function(error) { self.eventSendFailed(ev, error); } );
|
|
};
|
|
|
|
MatrixCall.prototype.eventSent = function() {
|
|
};
|
|
|
|
MatrixCall.prototype.eventSendFailed = function(ev, error) {
|
|
if (ev.tries > 5) {
|
|
console.log("Failed to send event of type "+ev.type+" on attempt "+ev.tries+". Giving up.");
|
|
return;
|
|
}
|
|
var delayMs = 500 * Math.pow(2, ev.tries);
|
|
console.log("Failed to send event of type "+ev.type+". Retrying in "+delayMs+"ms");
|
|
++ev.tries;
|
|
var self = this;
|
|
$timeout(function() {
|
|
matrixService.sendEvent(self.room_id, ev.type, undefined, ev.content).then(self.eventSent, function(error) { self.eventSendFailed(ev, error); } );
|
|
}, delayMs);
|
|
};
|
|
|
|
// Sends candidates with are sent in a special way because we try to amalgamate them into one message
|
|
MatrixCall.prototype.sendCandidate = function(content) {
|
|
this.candidateSendQueue.push(content);
|
|
var self = this;
|
|
if (this.candidateSendTries == 0) $timeout(function() { self.sendCandidateQueue(); }, 100);
|
|
};
|
|
|
|
MatrixCall.prototype.sendCandidateQueue = function(content) {
|
|
if (this.candidateSendQueue.length == 0) return;
|
|
|
|
var cands = this.candidateSendQueue;
|
|
this.candidateSendQueue = [];
|
|
++this.candidateSendTries;
|
|
var content = {
|
|
version: 0,
|
|
call_id: this.call_id,
|
|
candidates: cands
|
|
};
|
|
var self = this;
|
|
console.log("Attempting to send "+cands.length+" candidates");
|
|
matrixService.sendEvent(self.room_id, 'm.call.candidates', undefined, content).then(function() { self.candsSent(); }, function(error) { self.candsSendFailed(cands, error); } );
|
|
};
|
|
|
|
MatrixCall.prototype.candsSent = function() {
|
|
this.candidateSendTries = 0;
|
|
this.sendCandidateQueue();
|
|
};
|
|
|
|
MatrixCall.prototype.candsSendFailed = function(cands, error) {
|
|
for (var i = 0; i < cands.length; ++i) {
|
|
this.candidateSendQueue.push(cands[i]);
|
|
}
|
|
|
|
if (this.candidateSendTries > 5) {
|
|
console.log("Failed to send candidates on attempt "+this.candidateSendTries+". Giving up for now.");
|
|
this.candidateSendTries = 0;
|
|
return;
|
|
}
|
|
|
|
var delayMs = 500 * Math.pow(2, this.candidateSendTries);
|
|
++this.candidateSendTries;
|
|
console.log("Failed to send candidates. Retrying in "+delayMs+"ms");
|
|
var self = this;
|
|
$timeout(function() {
|
|
self.sendCandidateQueue();
|
|
}, delayMs);
|
|
};
|
|
|
|
return MatrixCall;
|
|
}]);
|