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September 18, 2018 21:08
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swarmchat.html
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| <html> | |
| <head> | |
| <style> | |
| .lines { height: 20em; } | |
| input[type="text"] { | |
| width: 500px; | |
| padding: 5px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="content"></div> | |
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t.length-e<=t.highWaterMark&&(i=!0),(t.ended||t.reading)&&(i=!1),i&&(t.reading=!0,t.sync=!0,0===t.length&&(t.needReadable=!0),this._read(t.highWaterMark),t.sync=!1),i&&!t.reading&&(e=u(r,t)),n=e>0?b(e,t):null,null===n&&(t.needReadable=!0,e=0),t.length-=e,0!==t.length||t.ended||(t.needReadable=!0),t.ended&&!t.endEmitted&&0===t.length&&w(this),n},i.prototype._read=function(e){this.emit("error",new Error("not implemented"))},i.prototype.pipe=function(e,t){function r(e){e===f&&o()}function i(){e.end()}function o(){e.removeListener("close",a),e.removeListener("finish",u),e.removeListener("drain",p),e.removeListener("error",s),e.removeListener("unpipe",r),f.removeListener("end",i),f.removeListener("end",o),(!e._writableState||e._writableState.needDrain)&&p()}function s(t){c(),e.removeListener("error",s),0===k.listenerCount(e,"error")&&e.emit("error",t)}function a(){e.removeListener("finish",u),c()}function u(){e.removeListener("close",a),c()}function c(){f.unpipe(e)}var 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i=E(t.pipes,e);return-1===i?this:(t.pipes.splice(i,1),t.pipesCount-=1,1===t.pipesCount&&(t.pipes=t.pipes[0]),e.emit("unpipe",this),this)},i.prototype.on=function(e,t){var n=R.prototype.on.call(this,e,t);if("data"!==e||this._readableState.flowing||y(this),"readable"===e&&this.readable){var r=this._readableState;r.readableListening||(r.readableListening=!0,r.emittedReadable=!1,r.needReadable=!0,r.reading?r.length&&l(this,r):this.read(0))}return n},i.prototype.addListener=i.prototype.on,i.prototype.resume=function(){y(this),this.read(0),this.emit("resume")},i.prototype.pause=function(){y(this,!0),this.emit("pause")},i.prototype.wrap=function(e){var t=this._readableState,n=!1,r=this;e.on("end",function(){if(t.decoder&&!t.ended){var e=t.decoder.end();e&&e.length&&r.push(e)}r.push(null)}),e.on("data",function(i){if(t.decoder&&(i=t.decoder.write(i)),(!t.objectMode||null!==i&&void 0!==i)&&(t.objectMode||i&&i.length)){var o=r.push(i);o||(n=!0,e.pause())}});for(var i in e)"function"==typeof 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i=this._readableState;(r.needTransform||i.needReadable||i.length<i.highWaterMark)&&this._read(i.highWaterMark)}},o.prototype._read=function(e){var t=this._transformState;null!==t.writechunk&&t.writecb&&!t.transforming?(t.transforming=!0,this._transform(t.writechunk,t.writeencoding,t.afterTransform)):t.needTransform=!0}},{"./_stream_duplex":62,"core-util-is":32,inherits:61}],65:[function(e,t,n){(function(n){function r(e,t,n){this.chunk=e,this.encoding=t,this.callback=n}function i(e,t){e=e||{};var n=e.highWaterMark;this.highWaterMark=n||0===n?n:16384,this.objectMode=!!e.objectMode,this.highWaterMark=~~this.highWaterMark,this.needDrain=!1,this.ending=!1,this.ended=!1,this.finished=!1;var r=e.decodeStrings===!1;this.decodeStrings=!r,this.defaultEncoding=e.defaultEncoding||"utf8",this.length=0,this.writing=!1,this.sync=!0,this.bufferProcessing=!1,this.onwrite=function(e){d(t,e)},this.writecb=null,this.writelen=0,this.buffer=[],this.errorEmitted=!1}function o(t){var n=e("./_stream_duplex");return this instanceof o||this instanceof n?(this._writableState=new i(t,this),this.writable=!0,void E.call(this)):new o(t)}function s(e,t,r){var i=new Error("write after end");e.emit("error",i),n.nextTick(function(){r(i)})}function a(e,t,r,i){var o=!0;if(!w.isBuffer(r)&&"string"!=typeof r&&null!==r&&void 0!==r&&!t.objectMode){var s=new TypeError("Invalid non-string/buffer chunk");e.emit("error",s),n.nextTick(function(){i(s)}),o=!1}return o}function u(e,t,n){return e.objectMode||e.decodeStrings===!1||"string"!=typeof t||(t=new w(t,n)),t}function c(e,t,n,i,o){n=u(t,n,i),w.isBuffer(n)&&(i="buffer");var s=t.objectMode?1:n.length;t.length+=s;var a=t.length<t.highWaterMark;return a||(t.needDrain=!0),t.writing?t.buffer.push(new r(n,i,o)):f(e,t,s,n,i,o),a}function f(e,t,n,r,i,o){t.writelen=n,t.writecb=o,t.writing=!0,t.sync=!0,e._write(r,i,t.onwrite),t.sync=!1}function 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browser");t._maxBufferedAmount=e.highWaterMark,t._pcReady=!1,t._channelReady=!1,t._iceComplete=!1,t._channel=null,t._pendingCandidates=[],t._chunk=null,t._cb=null,t._interval=null,t._reconnectTimeout=null,t._pc=new t._wrtc.RTCPeerConnection(t.config,t.constraints),t._pc.oniceconnectionstatechange=t._onIceConnectionStateChange.bind(t),t._pc.onsignalingstatechange=t._onSignalingStateChange.bind(t),t._pc.onicecandidate=t._onIceCandidate.bind(t),t.stream&&t._pc.addStream(t.stream),t._pc.onaddstream=t._onAddStream.bind(t),t.initiator?(t._setupData({channel:t._pc.createDataChannel(t.channelName,t.channelConfig)}),t._pc.onnegotiationneeded=c(t._createOffer.bind(t)),"undefined"!=typeof window&&window.webkitRTCPeerConnection||t._pc.onnegotiationneeded()):t._pc.ondatachannel=t._setupData.bind(t),t.on("finish",function(){t.connected?setTimeout(function(){t._destroy()},100):t.once("connect",function(){setTimeout(function(){t._destroy()},100)})})}function i(){}t.exports=r;var o=e("debug")("simple-peer"),s=e("get-browser-rtc"),a=e("hat"),u=e("inherits"),c=e("once"),f=e("readable-stream");u(r,f.Duplex),r.WEBRTC_SUPPORT=!!s(),r.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]},r.constraints={},r.channelConfig={},Object.defineProperty(r.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}}),r.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}},r.prototype.signal=function(e){function t(e){try{n._pc.addIceCandidate(new n._wrtc.RTCIceCandidate(e),i,n._onError.bind(n))}catch(t){n._destroy(new Error("error adding candidate: "+t.message))}}var n=this;if(n.destroyed)throw new Error("cannot signal after peer is destroyed");if("string"==typeof e)try{e=JSON.parse(e)}catch(r){e={}}n._debug("signal()"),e.sdp&&n._pc.setRemoteDescription(new n._wrtc.RTCSessionDescription(e),function(){n.destroyed||("offer"===n._pc.remoteDescription.type&&n._createAnswer(),n._pendingCandidates.forEach(t),n._pendingCandidates=[])},n._onError.bind(n)),e.candidate&&(n._pc.remoteDescription?t(e.candidate):n._pendingCandidates.push(e.candidate)),e.sdp||e.candidate||n._destroy(new Error("signal() called with invalid signal data"))},r.prototype.send=function(e){var t=this;n.isBuffer(e)&&t._isWrtc&&(e=new Uint8Array(e));var r=e.length||e.byteLength||e.size;t._channel.send(e),t._debug("write: %d bytes",r)},r.prototype.destroy=function(e){var t=this;t._destroy(null,e)},r.prototype._destroy=function(e,t){var n=this;if(!n.destroyed){if(t&&n.once("close",t),n._debug("destroy (error: %s)",e&&e.message), | |
| n.readable=n.writable=!1,n._readableState.ended||n.push(null),n._writableState.finished||n.end(),n.destroyed=!0,n.connected=!1,n._pcReady=!1,n._channelReady=!1,n._chunk=null,n._cb=null,clearInterval(n._interval),clearTimeout(n._reconnectTimeout),n._pc){try{n._pc.close()}catch(e){}n._pc.oniceconnectionstatechange=null,n._pc.onsignalingstatechange=null,n._pc.onicecandidate=null}if(n._channel){try{n._channel.close()}catch(e){}n._channel.onmessage=null,n._channel.onopen=null,n._channel.onclose=null}n._pc=null,n._channel=null,e&&n.emit("error",e),n.emit("close")}},r.prototype._setupData=function(e){var t=this;t._channel=e.channel,t.channelName=t._channel.label,t._channel.binaryType="arraybuffer",t._channel.onmessage=t._onChannelMessage.bind(t),t._channel.onopen=t._onChannelOpen.bind(t),t._channel.onclose=t._onChannelClose.bind(t)},r.prototype._read=function(){},r.prototype._write=function(e,t,n){var r=this;if(r.destroyed)return n(new Error("cannot write after peer is destroyed"));if(r.connected){try{r.send(e)}catch(i){return r._onError(i)}r._channel.bufferedAmount>r._maxBufferedAmount?(r._debug("start backpressure: bufferedAmount %d",r._channel.bufferedAmount),r._cb=n):n(null)}else r._debug("write before connect"),r._chunk=e,r._cb=n},r.prototype._createOffer=function(){var e=this;e.destroyed||e._pc.createOffer(function(t){if(!e.destroyed){t.sdp=e.sdpTransform(t.sdp),e._pc.setLocalDescription(t,i,e._onError.bind(e));var n=function(){var n=e._pc.localDescription||t;e._debug("signal"),e.emit("signal",{type:n.type,sdp:n.sdp})};e.trickle||e._iceComplete?n():e.once("_iceComplete",n)}},e._onError.bind(e),e.offerConstraints)},r.prototype._createAnswer=function(){var e=this;e.destroyed||e._pc.createAnswer(function(t){if(!e.destroyed){t.sdp=e.sdpTransform(t.sdp),e._pc.setLocalDescription(t,i,e._onError.bind(e));var n=function(){var n=e._pc.localDescription||t;e._debug("signal"),e.emit("signal",{type:n.type,sdp:n.sdp})};e.trickle||e._iceComplete?n():e.once("_iceComplete",n)}},e._onError.bind(e),e.answerConstraints)},r.prototype._onIceConnectionStateChange=function(){var e=this;if(!e.destroyed){var t=e._pc.iceGatheringState,n=e._pc.iceConnectionState;e._debug("iceConnectionStateChange %s %s",t,n),e.emit("iceConnectionStateChange",t,n),("connected"===n||"completed"===n)&&(clearTimeout(e._reconnectTimeout),e._pcReady=!0,e._maybeReady()),"disconnected"===n&&(e.reconnectTimer?(clearTimeout(e._reconnectTimeout),e._reconnectTimeout=setTimeout(function(){e._destroy()},e.reconnectTimer)):e._destroy()),"failed"===n&&e._destroy(),"closed"===n&&e._destroy()}},r.prototype.getStats=function(e){var t=this;t._pc.getStats?"undefined"!=typeof window&&window.mozRTCPeerConnection?t._pc.getStats(null,function(t){var n=[];t.forEach(function(e){n.push(e)}),e(n)},t._onError.bind(t)):t._pc.getStats(function(t){var 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