Investopedia - Sharper Insight. Smarter Investing.

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w(n);t.createDataChannel(""),t.createOffer(function(n){t.setLocalDescription(n,function(){e.addTimingEvent("requestingServerIp",performance.now()-e.estConnectionStart)},function(){})},function(){}),t.onicecandidate=function(n){if(null!==n.candidate){var o=n.candidate.candidate;if(C.debug("onicecandidate: "+o),e.checkCandidateIpLeak(o),v.isServerReflexive(o)&&!v.isIPv6(o)){t.close();var i=v.matchNodePeerIpAndPort(o);if(null!==i){e.addTimingEvent("serverIpReceived",performance.now()-e.estConnectionStart),e.nodePeerIp=i[1],e.nodePeerPort=i[2],C.info("ip and port to connect on: "+e.nodePeerIp+":"+e.nodePeerPort);var r=e.serverCandidate.replace(/SERVER_PORT/g,e.nodePeerPort);r=r.replace(/SERVER_IP/g,e.nodePeerIp),C.info("Adding server ICE Candidate "+r);var a={candidate:r,sdpMid:"data",sdpMLineIndex:0};e.peerConnection.addIceCandidate(new S(a),h,e.handleError),e.triggerEvent("receivedremoteport"),e.remoteCandidateReceived=!0,l.call(e)}}}}}function r(){var e=this.peerConnection=new 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0.0.0.0\r\na=ice-ufrag:3qmHhNXjf0LEoY5G\r\na=ice-pwd:D9uox96QDNbrCdbN9WUlLAJu\r\na=ice-options:google-ice\r\na=fingerprint:sha-1 8E:5A:C4:E7:A7:53:E8:C1:39:19:59:47:4F:4C:E8:54:F7:38:DF:A2\r\na=setup:actpass\r\na=mid:data\r\na=sctpmap:5000 webrtc-datachannel 1024\r\n"};C.info("SETTING HARD CODED offer data : "+e.sdp);var n=new m(e);this.peerConnection.setRemoteDescription(n,c.bind(this),this.handleError),c.bind(this)}function c(){this.peerConnection.createAnswer(d.bind(this),this.handleError),this.iceCandidateStartTime=performance.now()}function d(e){this.answer=e,this.peerConnection.setLocalDescription(new m(e),u.bind(this),this.handleError),this.localDescriptionSet=!0,l.call(this)}function l(){!this.sentDataToTurn&&this.remoteCandidateReceived&&this.localCandidateReceived&&this.localDescriptionSet&&(C.debug("sending data to TURN"),p.call(this),this.sentDataToTurn=!0)}function u(){C.info("Sending answer"),this.addTimingEvent("setLocalDesc",performance.now()-this.estConnectionStart)}function p(){this.triggerEvent("receivedicecandidates");var e=performance.now();C.info("TIMING:ice_candidates "+(e-this.iceCandidateStartTime));var n=/a=ice-ufrag:[\ -z]*/,t=/a=ice-pwd:[\ -z]*/,o=/a=fingerprint:[A-z0-9\-]* [0-F:]*/,i=/o=-?\S* [0-9]+ [0-9] IN IP4 [0-9\.]+/,r=performance.now();C.info("Before matching regexes"+(r-this.estConnectionStart)),C.info(this.answer.sdp);var a=this.answer.sdp.match(n),s=this.answer.sdp.match(t),c=this.answer.sdp.match(o),d=this.answer.sdp.match(i);C.info("UFRAG:"+a),C.info("PWD:"+s),C.info("FINGERPRINT:"+c),C.info("O=:"+d);var l=[this.localCandidates];l.push(a[0]),l.push(s[0]),l.push(c[0]),l.push(d[0]);var u=new Uint8Array(8);window.crypto.getRandomValues(u);var p=String.fromCharCode.apply(null,u);l.push(p),l.push(this.nodePeerIp),l.push(this.nodePeerPort),this.triggerEvent("preparedjson",l);var h=performance.now();C.info("After matching regexes"+(h-this.estConnectionStart));var v=performance.now();C.info("Before jsonifying candidates"+(v-this.estConnectionStart));var g=JSON.stringify(l),w=performance.now();C.info("After jsonifying candidates"+(w-this.estConnectionStart)),f.call(this,g)}function f(e){this.triggerEvent("willsenddatatoturn",e);var n=performance.now()-this.estConnectionStart;this.addTimingEvent("turnPrep",n),C.debug("Sending data to turn @ "+this.turnSignalHost+" after "+n+" millis");var t={iceServers:[{url:"turn:"+this.turnSignalHost,urls:["turn:"+this.turnSignalHost],username:e,credential:"x"}]};this.turnSignalPeerConnection=new w(t),this.turnSignalPeerConnection.createDataChannel("");var o=this;this.turnSignalPeerConnection.createOffer(function(e){var n=performance.now(),t=n-o.estConnectionStart;o.addTimingEvent("turnSend",t),C.info("Fake offer generated which should trigger TURN request after "+(n-o.estConnectionStart)+" millis"),o.turnSignalPeerConnection.setLocalDescription(e,function(){},function(){})},function(){})}function h(){C.info("Successfully added ICE candidate")}var v=e(10),g=e(11),C=e(8),w=window.RTCPeerConnection||window.mozRTCPeerConnection||window.webkitRTCPeerConnection,m=window.RTCSessionDescription||window.mozRTCSessionDescription||window.webkitRTCSessionDescription,S=window.RTCIceCandidate||window.mozRTCIceCandidate||window.webkitRTCIceCandidate,E=15e3,T=3e5;o.prototype.handleError=function(){},o.prototype.getTimingEvents=function(){return this.timingEvents},o.prototype.addTimingEvent=function(e,n){var t={name:"t_"+e,timing:n};this.timingEvents.push(t)},o.prototype.open=function(){var e=this;this.connectionTimeout=setTimeout(function(){e.close()},E),this.estConnectionStart=performance.now(),setTimeout(function(){C.debug("v8Lag is : 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this.eventListeners&&this.eventListeners[e].push(n)},o.prototype.triggerEvent=function(e){if(e in this.eventListeners){var n=Array.prototype.slice.call(arguments,1);this.eventListeners[e].forEach(function(e){e.apply(this,n)})}},o.prototype.setLogLevel=function(e){C.setLevel(e)},o.prototype.checkCandidateIpLeak=function(e){if(!v.isIPv6(e)&&-1!==e.indexOf("typ host")){var n=v.extractCandidateIp(e);n&&(this.ips[n]=!0,Object.keys(this.ips).length>=2&&(C.info("Multiple private IPs detected. 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