peer.min.js

/*! peerjs build:0.3.16, production. Copyright(c) 2013 Michelle Bu <michelle@michellebu.com> */!function a(b,c,d){function e(g,h){if(!c[g]){if(!b[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);var j=new Error("Cannot find module '"+g+"'");throw j.code="MODULE_NOT_FOUND",j}var k=c[g]={exports:{}};b[g][0].call(k.exports,function(a){var c=b[g][1][a];return e(c||a)},k,k.exports,a,b,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;g<d.length;g++)e(d[g]);return e}({1:[function(a,b,c){b.exports.RTCSessionDescription=window.RTCSessionDescription||window.mozRTCSessionDescription,b.exports.RTCPeerConnection=window.RTCPeerConnection||window.mozRTCPeerConnection||window.webkitRTCPeerConnection,b.exports.RTCIceCandidate=window.RTCIceCandidate||window.mozRTCIceCandidate},{}],2:[function(a,b,c){function d(a,b,c){if(!(this instanceof d))return new d(a,b,c);f.call(this),this.options=e.extend({serialization:"binary",reliable:!1},c),this.open=!1,this.type="data",this.peer=a,this.provider=b,this.id=this.options.connectionId||d._idPrefix+e.randomToken(),this.label=this.options.label||this.id,this.metadata=this.options.metadata,this.serialization=this.options.serialization,this.reliable=this.options.reliable,this._buffer=[],this._buffering=!1,this.bufferSize=0,this._chunkedData={},this.options._payload&&(this._peerBrowser=this.options._payload.browser),g.startConnection(this,this.options._payload||{originator:!0})}var e=a("./util"),f=a("eventemitter3"),g=a("./negotiator"),h=a("reliable");e.inherits(d,f),d._idPrefix="dc_",d.prototype.initialize=function(a){this._dc=this.dataChannel=a,this._configureDataChannel()},d.prototype._configureDataChannel=function(){var a=this;e.supports.sctp&&(this._dc.binaryType="arraybuffer"),this._dc.onopen=function(){e.log("Data channel connection success"),a.open=!0,a.emit("open")},!e.supports.sctp&&this.reliable&&(this._reliable=new h(this._dc,e.debug)),this._reliable?this._reliable.onmessage=function(b){a.emit("data",b)}:this._dc.onmessage=function(b){a._handleDataMessage(b)},this._dc.onclose=function(b){e.log("DataChannel closed for:",a.peer),a.close()}},d.prototype._handleDataMessage=function(a){var b=this,c=a.data,d=c.constructor;if("binary"===this.serialization||"binary-utf8"===this.serialization){if(d===Blob)return void e.blobToArrayBuffer(c,function(a){c=e.unpack(a),b.emit("data",c)});if(d===ArrayBuffer)c=e.unpack(c);else if(d===String){var f=e.binaryStringToArrayBuffer(c);c=e.unpack(f)}}else"json"===this.serialization&&(c=JSON.parse(c));if(c.__peerData){var g=c.__peerData,h=this._chunkedData[g]||{data:[],count:0,total:c.total};return h.data[c.n]=c.data,h.count+=1,h.total===h.count&&(delete this._chunkedData[g],c=new Blob(h.data),this._handleDataMessage({data:c})),void(this._chunkedData[g]=h)}this.emit("data",c)},d.prototype.close=function(){this.open&&(this.open=!1,g.cleanup(this),this.emit("close"))},d.prototype.send=function(a,b){if(!this.open)return void this.emit("error",new Error("Connection is not open. You should listen for the `open` event before sending messages."));if(this._reliable)return void this._reliable.send(a);var c=this;if("json"===this.serialization)this._bufferedSend(JSON.stringify(a));else if("binary"===this.serialization||"binary-utf8"===this.serialization){var d=e.pack(a),f=e.chunkedBrowsers[this._peerBrowser]||e.chunkedBrowsers[e.browser];if(f&&!b&&d.size>e.chunkedMTU)return void this._sendChunks(d);e.supports.sctp?e.supports.binaryBlob?this._bufferedSend(d):e.blobToArrayBuffer(d,function(a){c._bufferedSend(a)}):e.blobToBinaryString(d,function(a){c._bufferedSend(a)})}else this._bufferedSend(a)},d.prototype._bufferedSend=function(a){!this._buffering&&this._trySend(a)||(this._buffer.push(a),this.bufferSize=this._buffer.length)},d.prototype._trySend=function(a){try{this._dc.send(a)}catch(a){this._buffering=!0;var b=this;return setTimeout(function(){b._buffering=!1,b._tryBuffer()},100),!1}return!0},d.prototype._tryBuffer=function(){if(0!==this._buffer.length){var a=this._buffer[0];this._trySend(a)&&(this._buffer.shift(),this.bufferSize=this._buffer.length,this._tryBuffer())}},d.prototype._sendChunks=function(a){for(var b=e.chunk(a),c=0,d=b.length;c<d;c+=1){var a=b[c];this.send(a,!0)}},d.prototype.handleMessage=function(a){var b=a.payload;switch(a.type){case"ANSWER":this._peerBrowser=b.browser,g.handleSDP(a.type,this,b.sdp);break;case"CANDIDATE":g.handleCandidate(this,b.candidate);break;default:e.warn("Unrecognized message type:",a.type,"from peer:",this.peer)}},b.exports=d},{"./negotiator":5,"./util":8,eventemitter3:9,reliable:12}],3:[function(a,b,c){window.Socket=a("./socket"),window.MediaConnection=a("./mediaconnection"),window.DataConnection=a("./dataconnection"),window.Peer=a("./peer"),window.RTCPeerConnection=a("./adapter").RTCPeerConnection,window.RTCSessionDescription=a("./adapter").RTCSessionDescription,window.RTCIceCandidate=a("./adapter").RTCIceCandidate,window.Negotiator=a("./negotiator"),window.util=a("./util"),window.BinaryPack=a("js-binarypack")},{"./adapter":1,"./dataconnection":2,"./mediaconnection":4,"./negotiator":5,"./peer":6,"./socket":7,"./util":8,"js-binarypack":10}],4:[function(a,b,c){function d(a,b,c){if(!(this instanceof d))return new d(a,b,c);f.call(this),this.options=e.extend({},c),this.open=!1,this.type="media",this.peer=a,this.provider=b,this.metadata=this.options.metadata,this.localStream=this.options._stream,this.id=this.options.connectionId||d._idPrefix+e.randomToken(),this.localStream&&g.startConnection(this,{_stream:this.localStream,originator:!0})}var e=a("./util"),f=a("eventemitter3"),g=a("./negotiator");e.inherits(d,f),d._idPrefix="mc_",d.prototype.addStream=function(a){e.log("Receiving stream",a),this.remoteStream=a,this.emit("stream",a)},d.prototype.handleMessage=function(a){var b=a.payload;switch(a.type){case"ANSWER":g.handleSDP(a.type,this,b.sdp),this.open=!0;break;case"CANDIDATE":g.handleCandidate(this,b.candidate);break;default:e.warn("Unrecognized message type:",a.type,"from peer:",this.peer)}},d.prototype.answer=function(a){if(this.localStream)return void e.warn("Local stream already exists on this MediaConnection. Are you answering a call twice?");this.options._payload._stream=a,this.localStream=a,g.startConnection(this,this.options._payload);for(var b=this.provider._getMessages(this.id),c=0,d=b.length;c<d;c+=1)this.handleMessage(b[c]);this.open=!0},d.prototype.close=function(){this.open&&(this.open=!1,g.cleanup(this),this.emit("close"))},b.exports=d},{"./negotiator":5,"./util":8,eventemitter3:9}],5:[function(a,b,c){var d=a("./util"),e=a("./adapter").RTCPeerConnection,f=a("./adapter").RTCSessionDescription,g=a("./adapter").RTCIceCandidate,h={pcs:{data:{},media:{}},queue:[]};h._idPrefix="pc_",h.startConnection=function(a,b){var c=h._getPeerConnection(a,b);if(a.pc=a.peerConnection=c,"media"===a.type&&b._stream&&c.addStream(b._stream),b.originator){if("data"===a.type){var e={};d.supports.sctp||(e={reliable:b.reliable});var f=c.createDataChannel(a.label,e);a.initialize(f)}h._makeOffer(a)}else h.handleSDP("OFFER",a,b.sdp)},h._getPeerConnection=function(a,b){h.pcs[a.type]||d.error(a.type+" is not a valid connection type. Maybe you overrode the `type` property somewhere."),h.pcs[a.type][a.peer]||(h.pcs[a.type][a.peer]={});var c;h.pcs[a.type][a.peer];return b.pc&&(c=h.pcs[a.type][a.peer][b.pc]),c&&"stable"===c.signalingState||(c=h._startPeerConnection(a)),c},h._startPeerConnection=function(a){d.log("Creating RTCPeerConnection.");var b=h._idPrefix+d.randomToken(),c={};"data"!==a.type||d.supports.sctp?"media"===a.type&&(c={optional:[{DtlsSrtpKeyAgreement:!0}]}):c={optional:[{RtpDataChannels:!0}]};var f=new e(a.provider.options.config,c);return h.pcs[a.type][a.peer][b]=f,h._setupListeners(a,f,b),f},h._setupListeners=function(a,b,c){var e=a.peer,f=a.id,g=a.provider;d.log("Listening for ICE candidates."),b.onicecandidate=function(b){b.candidate&&(d.log("Received ICE candidates for:",a.peer),g.socket.send({type:"CANDIDATE",payload:{candidate:b.candidate,type:a.type,connectionId:a.id},dst:e}))},b.oniceconnectionstatechange=function(){switch(b.iceConnectionState){case"failed":d.log("iceConnectionState is disconnected, closing connections to "+e),a.emit("error",new Error("Negotiation of connection to "+e+" failed.")),a.close();break;case"disconnected":d.log("iceConnectionState is disconnected, closing connections to "+e),a.close();break;case"completed":b.onicecandidate=d.noop}},b.onicechange=b.oniceconnectionstatechange,d.log("Listening for data channel"),b.ondatachannel=function(a){d.log("Received data channel");var b=a.channel;g.getConnection(e,f).initialize(b)},d.log("Listening for remote stream"),b.onaddstream=function(a){d.log("Received remote stream");var b=a.stream,c=g.getConnection(e,f);"media"===c.type&&c.addStream(b)}},h.cleanup=function(a){d.log("Cleaning up PeerConnection to "+a.peer);var b=a.pc;b&&(b.readyState&&"closed"!==b.readyState||"closed"!==b.signalingState)&&(b.close(),a.pc=null)},h._makeOffer=function(a){var b=a.pc;b.createOffer(function(c){d.log("Created offer."),!d.supports.sctp&&"data"===a.type&&a.reliable&&(c.sdp=Reliable.higherBandwidthSDP(c.sdp)),b.setLocalDescription(c,function(){d.log("Set localDescription: offer","for:",a.peer),a.provider.socket.send({type:"OFFER",payload:{sdp:c,type:a.type,label:a.label,connectionId:a.id,reliable:a.reliable,serialization:a.serialization,metadata:a.metadata,browser:d.browser},dst:a.peer})},function(b){"OperationError: Failed to set local offer sdp: Called in wrong state: kHaveRemoteOffer"!=b&&(a.provider.emitError("webrtc",b),d.log("Failed to setLocalDescription, ",b))})},function(b){a.provider.emitError("webrtc",b),d.log("Failed to createOffer, ",b)},a.options.constraints)},h._makeAnswer=function(a){var b=a.pc;b.createAnswer(function(c){d.log("Created answer."),!d.supports.sctp&&"data"===a.type&&a.reliable&&(c.sdp=Reliable.higherBandwidthSDP(c.sdp)),b.setLocalDescription(c,function(){d.log("Set localDescription: answer","for:",a.peer),a.provider.socket.send({type:"ANSWER",payload:{sdp:c,type:a.type,connectionId:a.id,browser:d.browser},dst:a.peer})},function(b){a.provider.emitError("webrtc",b),d.log("Failed to setLocalDescription, ",b)})},function(b){a.provider.emitError("webrtc",b),d.log("Failed to create answer, ",b)})},h.handleSDP=function(a,b,c){c=new f(c);var e=b.pc;d.log("Setting remote description",c),e.setRemoteDescription(c,function(){d.log("Set remoteDescription:",a,"for:",b.peer),"OFFER"===a&&h._makeAnswer(b)},function(a){b.provider.emitError("webrtc",a),d.log("Failed to setRemoteDescription, ",a)})},h.handleCandidate=function(a,b){var c=b.candidate,e=b.sdpMLineIndex;a.pc.addIceCandidate(new g({sdpMLineIndex:e,candidate:c})),d.log("Added ICE candidate for:",a.peer)},b.exports=h},{"./adapter":1,"./util":8}],6:[function(a,b,c){function d(a,b){return this instanceof d?(f.call(this),a&&a.constructor==Object?(b=a,a=void 0):a&&(a=a.toString()),b=e.extend({debug:0,host:e.CLOUD_HOST,port:e.CLOUD_PORT,path:"/",token:e.randomToken(),config:e.defaultConfig},b),b.key="peerjs",this.options=b,"/"===b.host&&(b.host=window.location.hostname),"/"!==b.path[0]&&(b.path="/"+b.path),"/"!==b.path[b.path.length-1]&&(b.path+="/"),void 0===b.secure&&b.host!==e.CLOUD_HOST&&(b.secure=e.isSecure()),b.logFunction&&e.setLogFunction(b.logFunction),e.setLogLevel(b.debug),e.supports.audioVideo||e.supports.data?e.validateId(a)?(this.destroyed=!1,this.disconnected=!1,this.open=!1,this.connections={},this._lostMessages={},this._initializeServerConnection(),void(a?this._initialize(a):this._retrieveId())):void this._delayedAbort("invalid-id",'ID "'+a+'" is invalid'):void this._delayedAbort("browser-incompatible","The current browser does not support WebRTC")):new d(a,b)}var e=a("./util"),f=a("eventemitter3"),g=a("./socket"),h=a("./mediaconnection"),i=a("./dataconnection");e.inherits(d,f),d.prototype._initializeServerConnection=function(){var a=this;this.socket=new g(this.options.secure,this.options.host,this.options.port,this.options.path,this.options.key,this.options.wsport),this.socket.on("message",function(b){a._handleMessage(b)}),this.socket.on("error",function(b){a._abort("socket-error",b)}),this.socket.on("disconnected",function(){a.disconnected||(a.emitError("network","Lost connection to server."),a.disconnect())}),this.socket.on("close",function(){a.disconnected||a._abort("socket-closed","Underlying socket is already closed.")})},d.prototype._retrieveId=function(a){var b=this,c=new XMLHttpRequest,d=this.options.secure?"https://":"http://",f=d+this.options.host+":"+this.options.port+this.options.path+this.options.key+"/id";f+="?ts="+(new Date).getTime()+Math.random(),c.open("get",f,!0),c.onerror=function(a){e.error("Error retrieving ID",a);var c="";"/"===b.options.path&&b.options.host!==e.CLOUD_HOST&&(c=" If you passed in a `path` to your self-hosted PeerServer, you'll also need to pass in that same path when creating a new Peer."),b._abort("server-error","Could not get an ID from the server."+c)},c.onreadystatechange=function(){if(4===c.readyState)return 200!==c.status?void c.onerror():void b._initialize(c.responseText)},c.send(null)},d.prototype._initialize=function(a){this.id=a,this.socket.start(this.id,this.options.token)},d.prototype._handleMessage=function(a){var b,c=a.type,d=a.payload,f=a.src;switch(c){case"OPEN":this.emit("open",this.id),this.open=!0;break;case"ERROR":this._abort("server-error",d.msg);break;case"ID-TAKEN":this._abort("unavailable-id","ID `"+this.id+"` is taken");break;case"INVALID-KEY":this._abort("invalid-key",'API KEY "'+this.options.key+'" is invalid');break;case"LEAVE":e.log("Received leave message from",f),this._cleanupPeer(f);break;case"EXPIRE":this.emitError("peer-unavailable","Could not connect to peer "+f);break;case"OFFER":var g=d.connectionId;if(b=this.getConnection(f,g),b&&(b.close(),e.warn("Offer received for existing Connection ID:",g)),"media"===d.type)b=new h(f,this,{connectionId:g,_payload:d,metadata:d.metadata}),this._addConnection(f,b),this.emit("call",b);else{if("data"!==d.type)return void e.warn("Received malformed connection type:",d.type);b=new i(f,this,{connectionId:g,_payload:d,metadata:d.metadata,label:d.label,serialization:d.serialization,reliable:d.reliable}),this._addConnection(f,b),this.emit("connection",b)}for(var j=this._getMessages(g),k=0,l=j.length;k<l;k+=1)b.handleMessage(j[k]);break;default:if(!d)return void e.warn("You received a malformed message from "+f+" of type "+c);var m=d.connectionId;b=this.getConnection(f,m),b&&b.pc?b.handleMessage(a):m?this._storeMessage(m,a):e.warn("You received an unrecognized message:",a)}},d.prototype._storeMessage=function(a,b){this._lostMessages[a]||(this._lostMessages[a]=[]),this._lostMessages[a].push(b)},d.prototype._getMessages=function(a){var b=this._lostMessages[a];return b?(delete this._lostMessages[a],b):[]},d.prototype.connect=function(a,b){if(this.disconnected)return e.warn("You cannot connect to a new Peer because you called .disconnect() on this Peer and ended your connection with the server. You can create a new Peer to reconnect, or call reconnect on this peer if you believe its ID to still be available."),void this.emitError("disconnected","Cannot connect to new Peer after disconnecting from server.");var c=new i(a,this,b);return this._addConnection(a,c),c},d.prototype.call=function(a,b,c){if(this.disconnected)return e.warn("You cannot connect to a new Peer because you called .disconnect() on this Peer and ended your connection with the server. You can create a new Peer to reconnect."),void this.emitError("disconnected","Cannot connect to new Peer after disconnecting from server.");if(!b)return void e.error("To call a peer, you must provide a stream from your browser's `getUserMedia`.");c=c||{},c._stream=b;var d=new h(a,this,c);return this._addConnection(a,d),d},d.prototype._addConnection=function(a,b){this.connections[a]||(this.connections[a]=[]),this.connections[a].push(b)},d.prototype.getConnection=function(a,b){var c=this.connections[a];if(!c)return null;for(var d=0,e=c.length;d<e;d++)if(c[d].id===b)return c[d];return null},d.prototype._delayedAbort=function(a,b){var c=this;e.setZeroTimeout(function(){c._abort(a,b)})},d.prototype._abort=function(a,b){e.error("Aborting!"),this._lastServerId?this.disconnect():this.destroy(),this.emitError(a,b)},d.prototype.emitError=function(a,b){e.error("Error:",b),"string"==typeof b&&(b=new Error(b)),b.type=a,this.emit("error",b)},d.prototype.destroy=function(){this.destroyed||(this._cleanup(),this.disconnect(),this.destroyed=!0)},d.prototype._cleanup=function(){if(this.connections)for(var a=Object.keys(this.connections),b=0,c=a.length;b<c;b++)this._cleanupPeer(a[b]);this.emit("close")},d.prototype._cleanupPeer=function(a){for(var b=this.connections[a],c=0,d=b.length;c<d;c+=1)b[c].close()},d.prototype.disconnect=function(){var a=this;e.setZeroTimeout(function(){a.disconnected||(a.disconnected=!0,a.open=!1,a.socket&&a.socket.close(),a.emit("disconnected",a.id),a._lastServerId=a.id,a.id=null)})},d.prototype.reconnect=function(){if(this.disconnected&&!this.destroyed)e.log("Attempting reconnection to server with ID "+this._lastServerId),this.disconnected=!1,this._initializeServerConnection(),this._initialize(this._lastServerId);else{if(this.destroyed)throw new Error("This peer cannot reconnect to the server. It has already been destroyed.");if(this.disconnected||this.open)throw new Error("Peer "+this.id+" cannot reconnect because it is not disconnected from the server!");e.error("In a hurry? We're still trying to make the initial connection!")}},d.prototype.listAllPeers=function(a){a=a||function(){};var b=this,c=new XMLHttpRequest,d=this.options.secure?"https://":"http://",f=d+this.options.host+":"+this.options.port+this.options.path+this.options.key+"/peers";f+="?ts="+(new Date).getTime()+Math.random(),c.open("get",f,!0),c.onerror=function(c){b._abort("server-error","Could not get peers from the server."),a([])},c.onreadystatechange=function(){if(4===c.readyState){if(401===c.status){var d="";throw d=b.options.host!==e.CLOUD_HOST?"It looks like you're using the cloud server. You can email team@peerjs.com to enable peer listing for your API key.":"You need to enable `allow_discovery` on your self-hosted PeerServer to use this feature.",a([]),new Error("It doesn't look like you have permission to list peers IDs. "+d)}a(200!==c.status?[]:JSON.parse(c.responseText))}},c.send(null)},b.exports=d},{"./dataconnection":2,"./mediaconnection":4,"./socket":7,"./util":8,eventemitter3:9}],7:[function(a,b,c){function d(a,b,c,e,g,h){if(!(this instanceof d))return new d(a,b,c,e,g,h);h=h||c,f.call(this),this.disconnected=!1,this._queue=[];var i=a?"https://":"http://",j=a?"wss://":"ws://";this._httpUrl=i+b+":"+c+e+g,this._wsUrl=j+b+":"+h+e+"peerjs?key="+g}var e=a("./util"),f=a("eventemitter3");e.inherits(d,f),d.prototype.start=function(a,b){this.id=a,this._httpUrl+="/"+a+"/"+b,this._wsUrl+="&id="+a+"&token="+b,this._startXhrStream(),this._startWebSocket()},d.prototype._startWebSocket=function(a){var b=this;this._socket||(this._socket=new WebSocket(this._wsUrl),this._socket.onmessage=function(a){try{var c=JSON.parse(a.data)}catch(b){return void e.log("Invalid server message",a.data)}b.emit("message",c)},this._socket.onclose=function(a){e.log("Socket closed."),b.disconnected=!0,b.emit("disconnected")},this._socket.onopen=function(){b._timeout&&(clearTimeout(b._timeout),setTimeout(function(){b._http.abort(),b._http=null},5e3)),b._sendQueuedMessages(),e.log("Socket open")})},d.prototype._startXhrStream=function(a){try{var b=this;this._http=new XMLHttpRequest,this._http._index=1,this._http._streamIndex=a||0,this._http.open("post",this._httpUrl+"/id?i="+this._http._streamIndex,!0),this._http.onerror=function(){clearTimeout(b._timeout),b.emit("disconnected")},this._http.onreadystatechange=function(){2==this.readyState&&this.old?(this.old.abort(),delete this.old):this.readyState>2&&200===this.status&&this.responseText&&b._handleStream(this)},this._http.send(null),this._setHTTPTimeout()}catch(a){e.log("XMLHttpRequest not available; defaulting to WebSockets")}},d.prototype._handleStream=function(a){var b=a.responseText.split("\n");if(a._buffer)for(;a._buffer.length>0;){var c=a._buffer.shift(),d=b[c];try{d=JSON.parse(d)}catch(b){a._buffer.shift(c);break}this.emit("message",d)}var f=b[a._index];if(f)if(a._index+=1,a._index===b.length)a._buffer||(a._buffer=[]),a._buffer.push(a._index-1);else{try{f=JSON.parse(f)}catch(a){return void e.log("Invalid server message",f)}this.emit("message",f)}},d.prototype._setHTTPTimeout=function(){var a=this;this._timeout=setTimeout(function(){var b=a._http;a._wsOpen()?b.abort():(a._startXhrStream(b._streamIndex+1),a._http.old=b)},25e3)},d.prototype._wsOpen=function(){return this._socket&&1==this._socket.readyState},d.prototype._sendQueuedMessages=function(){for(var a=0,b=this._queue.length;a<b;a+=1)this.send(this._queue[a])},d.prototype.send=function(a){if(!this.disconnected){if(!this.id)return void this._queue.push(a);if(!a.type)return void this.emit("error","Invalid message");var b=JSON.stringify(a);if(this._wsOpen())this._socket.send(b);else{var c=new XMLHttpRequest,d=this._httpUrl+"/"+a.type.toLowerCase();c.open("post",d,!0),c.setRequestHeader("Content-Type","application/json"),c.send(b)}}},d.prototype.close=function(){!this.disconnected&&this._wsOpen()&&(this._socket.close(),this.disconnected=!0)},b.exports=d},{"./util":8,eventemitter3:9}],8:[function(a,b,c){var d={iceServers:[{url:"stun:stun.l.google.com:19302"}]},e=1,f=a("js-binarypack"),g=a("./adapter").RTCPeerConnection,h={noop:function(){},CLOUD_HOST:"0.peerjs.com",CLOUD_PORT:9e3,chunkedBrowsers:{Chrome:1},chunkedMTU:16300,logLevel:0,setLogLevel:function(a){var b=parseInt(a,10);isNaN(parseInt(a,10))?h.logLevel=a?3:0:h.logLevel=b,h.log=h.warn=h.error=h.noop,h.logLevel>0&&(h.error=h._printWith("ERROR")),h.logLevel>1&&(h.warn=h._printWith("WARNING")),h.logLevel>2&&(h.log=h._print)},setLogFunction:function(a){a.constructor!==Function?h.warn("The log function you passed in is not a function. 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d=e.binaryStringToArrayBuffer(c);c=e.unpack(d),a._handleMessage(c)}}},d.prototype._handleMessage=function(a){var b,c=a[1],d=this._incoming[c],f=this._outgoing[c];switch(a[0]){case"no":var g=c;g&&this.onmessage(e.unpack(g));break;case"end":if(b=d,this._received[c]=a[2],!b)break;this._ack(c);break;case"ack":if(b=f){var h=a[2];b.ack=Math.max(h,b.ack),b.ack>=b.chunks.length?(e.log("Time: ",new Date-b.timer),delete this._outgoing[c]):this._processAcks()}break;case"chunk":if(!(b=d)){if(!0===this._received[c])break;b={ack:["ack",c,0],chunks:[]},this._incoming[c]=b}var i=a[2],j=a[3];b.chunks[i]=new Uint8Array(j),i===b.ack[2]&&this._calculateNextAck(c),this._ack(c);break;default:this._handleSend(a)}},d.prototype._chunk=function(a){for(var b=[],c=a.size,d=0;d<c;){var f=Math.min(c,d+this._mtu),g=a.slice(d,f),h={payload:g};b.push(h),d=f}return e.log("Created",b.length,"chunks."),b},d.prototype._ack=function(a){var b=this._incoming[a].ack;this._received[a]===b[2]&&(this._complete(a),this._received[a]=!0),this._handleSend(b)},d.prototype._calculateNextAck=function(a){for(var b=this._incoming[a],c=b.chunks,d=0,e=c.length;d<e;d+=1)if(void 0===c[d])return void(b.ack[2]=d);b.ack[2]=c.length},d.prototype._sendWindowedChunks=function(a){e.log("sendWindowedChunks for: ",a);for(var b=this._outgoing[a],c=b.chunks,d=[],f=Math.min(b.ack+this._window,c.length),g=b.ack;g<f;g+=1)c[g].sent&&g!==b.ack||(c[g].sent=!0,d.push(["chunk",a,g,c[g].payload]));b.ack+this._window>=c.length&&d.push(["end",a,c.length]),d._multiple=!0,this._handleSend(d)},d.prototype._complete=function(a){e.log("Completed called for",a);var b=this,c=this._incoming[a].chunks,d=new Blob(c);e.blobToArrayBuffer(d,function(a){b.onmessage(e.unpack(a))}),delete this._incoming[a]},d.higherBandwidthSDP=function(a){var b=navigator.appVersion.match(/Chrome\/(.*?) /);if(b&&(b=parseInt(b[1].split(".").shift()))<31){var c=a.split("b=AS:30");if(c.length>1)return c[0]+"b=AS:102400"+c[1]}return a},d.prototype.onmessage=function(a){},b.exports.Reliable=d},{"./util":13}],13:[function(a,b,c){var d=a("js-binarypack"),e={debug:!1,inherits:function(a,b){a.super_=b,a.prototype=Object.create(b.prototype,{constructor:{value:a,enumerable:!1,writable:!0,configurable:!0}})},extend:function(a,b){for(var c in b)b.hasOwnProperty(c)&&(a[c]=b[c]);return a},pack:d.pack,unpack:d.unpack,log:function(){if(e.debug){for(var a=[],b=0;b<arguments.length;b++)a[b]=arguments[b];a.unshift("Reliable: "),console.log.apply(console,a)}},setZeroTimeout:function(a){function b(b){d.push(b),a.postMessage(e,"*")}function c(b){b.source==a&&b.data==e&&(b.stopPropagation&&b.stopPropagation(),d.length&&d.shift()())}var d=[],e="zero-timeout-message";return a.addEventListener?a.addEventListener("message",c,!0):a.attachEvent&&a.attachEvent("onmessage",c),b}(this),blobToArrayBuffer:function(a,b){var c=new FileReader;c.onload=function(a){b(a.target.result)},c.readAsArrayBuffer(a)},blobToBinaryString:function(a,b){var c=new FileReader;c.onload=function(a){b(a.target.result)},c.readAsBinaryString(a)},binaryStringToArrayBuffer:function(a){for(var b=new Uint8Array(a.length),c=0;c<a.length;c++)b[c]=255&a.charCodeAt(c);return b.buffer},randomToken:function(){return Math.random().toString(36).substr(2)}};b.exports=e},{"js-binarypack":10}]},{},[3]);