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Repository: diasdavid/webrtc-explorer
Branch: master
Commit: 33ea3fd72712
Files: 34
Total size: 383.7 KB
Directory structure:
gitextract_ht4sh8zu/
├── .gitignore
├── LICENSE
├── README.md
├── examples/
│ ├── bundle.js
│ ├── explorer.js
│ └── index.html
├── graphs/
│ └── webrtc-explorer-logo.pxm
├── package.json
├── src/
│ ├── explorer/
│ │ ├── channel.js
│ │ ├── config.js
│ │ ├── connection-switch.js
│ │ ├── finger-table.js
│ │ ├── index.js
│ │ └── message-router.js
│ └── sig-server/
│ ├── bin.js
│ ├── config.js
│ ├── index.js
│ ├── resources/
│ │ ├── peer-table.js
│ │ └── peer.js
│ ├── routes-http/
│ │ ├── basic.js
│ │ └── graph.js
│ ├── routes-ws/
│ │ └── index.js
│ └── utils/
│ ├── finger-best-fit.js
│ └── ideal-finger.js
└── tests/
├── explorer/
│ ├── index.js
│ ├── scripts/
│ │ └── explorer-peer.js
│ └── test-explorer.js
└── sig-server/
├── index.js
├── test-finger-best-fit.js
├── test-handshake.js
├── test-http.js
├── test-join.js
├── test-lifecycle.js
└── test-update-finger.js
================================================
FILE CONTENTS
================================================
================================================
FILE: .gitignore
================================================
**/.DS_Store
# Logs
logs
*.log
# Runtime data
pids
*.pid
*.seed
# Directory for instrumented libs generated by jscoverage/JSCover
lib-cov
# Coverage directory used by tools like istanbul
coverage
# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
.grunt
# Compiled binary addons (http://nodejs.org/api/addons.html)
build/Release
# Dependency directory
# Deployed apps should consider commenting this line out:
# see https://npmjs.org/doc/faq.html#Should-I-check-my-node_modules-folder-into-git
node_modules
================================================
FILE: LICENSE
================================================
The MIT License (MIT)
Copyright (c) 2016 David Dias
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
================================================
FILE: README.md
================================================
[](https://david-dm.org/diasdavid/webrtc-explorer)
[](https://github.com/diasdavid/WebCompute)
[](https://github.com/feross/standard)
> **tl;dr** `webrtc-explorer` is a [Chord](http://pdos.csail.mit.edu/papers/chord:sigcomm01/chord_sigcomm.pdf) inspired, P2P Network Routing Overlay designed for the Web platform (browsers), using WebRTC as its layer of transport between peers and WebSockets for the exchange of signalling data (setting up a connection and NAT traversal). Essentially, webrtc-explorer enables your peers (browsers) to communicate between each other without the need to have a server to be the mediator.
# Usage
## Install
```sh
> npm install webrtc-explorer
```
If you want to use the Signalling Server that comes with webrtc-explorer, you can use it through your terminal after installing webrtc-explorer globally
```sh
> npm install webrtc-explorer --global
# ...
> sig-server
Signalling Server Started
# now the signalling server is running
```
Use [browserify](http://browserify.org) to load transpile your JS code that uses webrtc-explorer, so that all of the dependencies are correctly loaded.
## API
```javascript
const explorer = require('webrtc-explorer')
```
#### listen
Connects your explorer node to the signalling server, and listens for incomming connections from other peers.
```javascript
const listener = explorer.createListener((socket) => {
// socket with another peer
})
listener.listen((err) => {
if (err) {
return console.log('Error listening:', err)
}
console.log('explorer is now listining to incomming connections')
})
```
#### dial
Dials into another peer, using the P2P Overlay Routing.
```JavaScript
const socket = explorer.dial(<peerId> [, <readyCallback>])
```
Note: since an explorer node routes messages for other peers and itself, it needs first to be ready to 'listen', in order to be able to use the network to send.
#### updateFinger
_not implemented yet_
updates a finger on the finger table (if no finger was present on that row, it is added).
```JavaScript
explorer.updateFinger(<row>)
```
#### updateFingerTable
_not implemented yet_
updates all the rows on the finger table that already had a peer
```JavaScript
explorer.updateFingerTable(<row>)
```
# Architecture
## Signalling
Currently signalling is performed through a central server. The signalling throught the Chord routing is under development.
## Routing
To understand fully webrtc-explorer's core, it is important to be familiar with the [Chord][chord-paper].
I've delivered a talk before about an earlier version of webrtc-explorer, where I explain the routing scheme, you can find it here: https://youtu.be/fNQGGGE__zI?t=13m33s
## Connection State
Connections in webrtc-explorer are very similar to typical network socket. Before going to the network, the messages are encasulated with srcId and dstId so that they be routed through the Chord routing (parallel to the encasulation with TCP headers, IP headers, etc)
## Notes and other properties
- Ids have 48 bits (so that is a multiple of 4 (for hex notation) and doesn't require importing a big-num lib to handle over 53 bits operations)
- The number of fingers of each peer is flexible, however it is recommended to not pass 16 per node (due to browser resource constraints)
- Each peer is responsible for a segment of the hash ring
-----------------------------------------------------------------------------
## Initial Development and release was supported by INESC-ID (circa Mar 2015)
> [David Dias MSc in Peer-to-Peer Networks by Technical University of Lisbon](https://github.com/diasdavid/browserCloudjs#research-and-development)
[](http://www.gsd.inesc-id.pt/) [](http://tecnico.ulisboa.pt/) [](https://github.com/diasdavid/browserCloudjs)
This work was developed by David Dias with supervision by Luís Veiga, all in INESC-ID Lisboa (Distributed Systems Group), Instituto Superior Técnico, Universidade de Lisboa, with the support of Fundação para a Ciência e Tecnologia.
More info on the team's work at:
- http://daviddias.me
- http://www.gsd.inesc-id.pt/~lveiga
If you use this project, please acknowledge it in your work by referencing the following document:
David Dias and Luís Veiga. browserCloud.js A federated community cloud served by a P2P overlay network on top of the web platform. INESC-ID Tec. Rep. 14/2015, Apr. 2015
================================================
FILE: examples/bundle.js
================================================
(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
(function (global){
const explorer = require('../src/explorer')
global.explorer = explorer
const listener = explorer.createListener((conn) => {
console.log('received conn')
conn.on('data', function (data) {
console.log('received some data', data)
})
})
listener.listen((err) => {
if (err) {
return console.log('Error listening:', err)
}
console.log('Listening')
})
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"../src/explorer":58}],2:[function(require,module,exports){
module.exports = after
function after(count, callback, err_cb) {
var bail = false
err_cb = err_cb || noop
proxy.count = count
return (count === 0) ? callback() : proxy
function proxy(err, result) {
if (proxy.count <= 0) {
throw new Error('after called too many times')
}
--proxy.count
// after first error, rest are passed to err_cb
if (err) {
bail = true
callback(err)
// future error callbacks will go to error handler
callback = err_cb
} else if (proxy.count === 0 && !bail) {
callback(null, result)
}
}
}
function noop() {}
},{}],3:[function(require,module,exports){
/**
* An abstraction for slicing an arraybuffer even when
* ArrayBuffer.prototype.slice is not supported
*
* @api public
*/
module.exports = function(arraybuffer, start, end) {
var bytes = arraybuffer.byteLength;
start = start || 0;
end = end || bytes;
if (arraybuffer.slice) { return arraybuffer.slice(start, end); }
if (start < 0) { start += bytes; }
if (end < 0) { end += bytes; }
if (end > bytes) { end = bytes; }
if (start >= bytes || start >= end || bytes === 0) {
return new ArrayBuffer(0);
}
var abv = new Uint8Array(arraybuffer);
var result = new Uint8Array(end - start);
for (var i = start, ii = 0; i < end; i++, ii++) {
result[ii] = abv[i];
}
return result.buffer;
};
},{}],4:[function(require,module,exports){
/**
* Expose `Backoff`.
*/
module.exports = Backoff;
/**
* Initialize backoff timer with `opts`.
*
* - `min` initial timeout in milliseconds [100]
* - `max` max timeout [10000]
* - `jitter` [0]
* - `factor` [2]
*
* @param {Object} opts
* @api public
*/
function Backoff(opts) {
opts = opts || {};
this.ms = opts.min || 100;
this.max = opts.max || 10000;
this.factor = opts.factor || 2;
this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
this.attempts = 0;
}
/**
* Return the backoff duration.
*
* @return {Number}
* @api public
*/
Backoff.prototype.duration = function(){
var ms = this.ms * Math.pow(this.factor, this.attempts++);
if (this.jitter) {
var rand = Math.random();
var deviation = Math.floor(rand * this.jitter * ms);
ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;
}
return Math.min(ms, this.max) | 0;
};
/**
* Reset the number of attempts.
*
* @api public
*/
Backoff.prototype.reset = function(){
this.attempts = 0;
};
/**
* Set the minimum duration
*
* @api public
*/
Backoff.prototype.setMin = function(min){
this.ms = min;
};
/**
* Set the maximum duration
*
* @api public
*/
Backoff.prototype.setMax = function(max){
this.max = max;
};
/**
* Set the jitter
*
* @api public
*/
Backoff.prototype.setJitter = function(jitter){
this.jitter = jitter;
};
},{}],5:[function(require,module,exports){
/*
* base64-arraybuffer
* https://github.com/niklasvh/base64-arraybuffer
*
* Copyright (c) 2012 Niklas von Hertzen
* Licensed under the MIT license.
*/
(function(chars){
"use strict";
exports.encode = function(arraybuffer) {
var bytes = new Uint8Array(arraybuffer),
i, len = bytes.length, base64 = "";
for (i = 0; i < len; i+=3) {
base64 += chars[bytes[i] >> 2];
base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
base64 += chars[bytes[i + 2] & 63];
}
if ((len % 3) === 2) {
base64 = base64.substring(0, base64.length - 1) + "=";
} else if (len % 3 === 1) {
base64 = base64.substring(0, base64.length - 2) + "==";
}
return base64;
};
exports.decode = function(base64) {
var bufferLength = base64.length * 0.75,
len = base64.length, i, p = 0,
encoded1, encoded2, encoded3, encoded4;
if (base64[base64.length - 1] === "=") {
bufferLength--;
if (base64[base64.length - 2] === "=") {
bufferLength--;
}
}
var arraybuffer = new ArrayBuffer(bufferLength),
bytes = new Uint8Array(arraybuffer);
for (i = 0; i < len; i+=4) {
encoded1 = chars.indexOf(base64[i]);
encoded2 = chars.indexOf(base64[i+1]);
encoded3 = chars.indexOf(base64[i+2]);
encoded4 = chars.indexOf(base64[i+3]);
bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
}
return arraybuffer;
};
})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
},{}],6:[function(require,module,exports){
(function (global){
/**
* Create a blob builder even when vendor prefixes exist
*/
var BlobBuilder = global.BlobBuilder
|| global.WebKitBlobBuilder
|| global.MSBlobBuilder
|| global.MozBlobBuilder;
/**
* Check if Blob constructor is supported
*/
var blobSupported = (function() {
try {
var a = new Blob(['hi']);
return a.size === 2;
} catch(e) {
return false;
}
})();
/**
* Check if Blob constructor supports ArrayBufferViews
* Fails in Safari 6, so we need to map to ArrayBuffers there.
*/
var blobSupportsArrayBufferView = blobSupported && (function() {
try {
var b = new Blob([new Uint8Array([1,2])]);
return b.size === 2;
} catch(e) {
return false;
}
})();
/**
* Check if BlobBuilder is supported
*/
var blobBuilderSupported = BlobBuilder
&& BlobBuilder.prototype.append
&& BlobBuilder.prototype.getBlob;
/**
* Helper function that maps ArrayBufferViews to ArrayBuffers
* Used by BlobBuilder constructor and old browsers that didn't
* support it in the Blob constructor.
*/
function mapArrayBufferViews(ary) {
for (var i = 0; i < ary.length; i++) {
var chunk = ary[i];
if (chunk.buffer instanceof ArrayBuffer) {
var buf = chunk.buffer;
// if this is a subarray, make a copy so we only
// include the subarray region from the underlying buffer
if (chunk.byteLength !== buf.byteLength) {
var copy = new Uint8Array(chunk.byteLength);
copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));
buf = copy.buffer;
}
ary[i] = buf;
}
}
}
function BlobBuilderConstructor(ary, options) {
options = options || {};
var bb = new BlobBuilder();
mapArrayBufferViews(ary);
for (var i = 0; i < ary.length; i++) {
bb.append(ary[i]);
}
return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
};
function BlobConstructor(ary, options) {
mapArrayBufferViews(ary);
return new Blob(ary, options || {});
};
module.exports = (function() {
if (blobSupported) {
return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;
} else if (blobBuilderSupported) {
return BlobBuilderConstructor;
} else {
return undefined;
}
})();
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],7:[function(require,module,exports){
/**
* Slice reference.
*/
var slice = [].slice;
/**
* Bind `obj` to `fn`.
*
* @param {Object} obj
* @param {Function|String} fn or string
* @return {Function}
* @api public
*/
module.exports = function(obj, fn){
if ('string' == typeof fn) fn = obj[fn];
if ('function' != typeof fn) throw new Error('bind() requires a function');
var args = slice.call(arguments, 2);
return function(){
return fn.apply(obj, args.concat(slice.call(arguments)));
}
};
},{}],8:[function(require,module,exports){
/**
* Expose `Emitter`.
*/
module.exports = Emitter;
/**
* Initialize a new `Emitter`.
*
* @api public
*/
function Emitter(obj) {
if (obj) return mixin(obj);
};
/**
* Mixin the emitter properties.
*
* @param {Object} obj
* @return {Object}
* @api private
*/
function mixin(obj) {
for (var key in Emitter.prototype) {
obj[key] = Emitter.prototype[key];
}
return obj;
}
/**
* Listen on the given `event` with `fn`.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.on =
Emitter.prototype.addEventListener = function(event, fn){
this._callbacks = this._callbacks || {};
(this._callbacks[event] = this._callbacks[event] || [])
.push(fn);
return this;
};
/**
* Adds an `event` listener that will be invoked a single
* time then automatically removed.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.once = function(event, fn){
var self = this;
this._callbacks = this._callbacks || {};
function on() {
self.off(event, on);
fn.apply(this, arguments);
}
on.fn = fn;
this.on(event, on);
return this;
};
/**
* Remove the given callback for `event` or all
* registered callbacks.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.off =
Emitter.prototype.removeListener =
Emitter.prototype.removeAllListeners =
Emitter.prototype.removeEventListener = function(event, fn){
this._callbacks = this._callbacks || {};
// all
if (0 == arguments.length) {
this._callbacks = {};
return this;
}
// specific event
var callbacks = this._callbacks[event];
if (!callbacks) return this;
// remove all handlers
if (1 == arguments.length) {
delete this._callbacks[event];
return this;
}
// remove specific handler
var cb;
for (var i = 0; i < callbacks.length; i++) {
cb = callbacks[i];
if (cb === fn || cb.fn === fn) {
callbacks.splice(i, 1);
break;
}
}
return this;
};
/**
* Emit `event` with the given args.
*
* @param {String} event
* @param {Mixed} ...
* @return {Emitter}
*/
Emitter.prototype.emit = function(event){
this._callbacks = this._callbacks || {};
var args = [].slice.call(arguments, 1)
, callbacks = this._callbacks[event];
if (callbacks) {
callbacks = callbacks.slice(0);
for (var i = 0, len = callbacks.length; i < len; ++i) {
callbacks[i].apply(this, args);
}
}
return this;
};
/**
* Return array of callbacks for `event`.
*
* @param {String} event
* @return {Array}
* @api public
*/
Emitter.prototype.listeners = function(event){
this._callbacks = this._callbacks || {};
return this._callbacks[event] || [];
};
/**
* Check if this emitter has `event` handlers.
*
* @param {String} event
* @return {Boolean}
* @api public
*/
Emitter.prototype.hasListeners = function(event){
return !! this.listeners(event).length;
};
},{}],9:[function(require,module,exports){
module.exports = function(a, b){
var fn = function(){};
fn.prototype = b.prototype;
a.prototype = new fn;
a.prototype.constructor = a;
};
},{}],10:[function(require,module,exports){
/**
* This is the web browser implementation of `debug()`.
*
* Expose `debug()` as the module.
*/
exports = module.exports = require('./debug');
exports.log = log;
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.storage = 'undefined' != typeof chrome
&& 'undefined' != typeof chrome.storage
? chrome.storage.local
: localstorage();
/**
* Colors.
*/
exports.colors = [
'lightseagreen',
'forestgreen',
'goldenrod',
'dodgerblue',
'darkorchid',
'crimson'
];
/**
* Currently only WebKit-based Web Inspectors, Firefox >= v31,
* and the Firebug extension (any Firefox version) are known
* to support "%c" CSS customizations.
*
* TODO: add a `localStorage` variable to explicitly enable/disable colors
*/
function useColors() {
// is webkit? http://stackoverflow.com/a/16459606/376773
return ('WebkitAppearance' in document.documentElement.style) ||
// is firebug? http://stackoverflow.com/a/398120/376773
(window.console && (console.firebug || (console.exception && console.table))) ||
// is firefox >= v31?
// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
(navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);
}
/**
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
*/
exports.formatters.j = function(v) {
return JSON.stringify(v);
};
/**
* Colorize log arguments if enabled.
*
* @api public
*/
function formatArgs() {
var args = arguments;
var useColors = this.useColors;
args[0] = (useColors ? '%c' : '')
+ this.namespace
+ (useColors ? ' %c' : ' ')
+ args[0]
+ (useColors ? '%c ' : ' ')
+ '+' + exports.humanize(this.diff);
if (!useColors) return args;
var c = 'color: ' + this.color;
args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));
// the final "%c" is somewhat tricky, because there could be other
// arguments passed either before or after the %c, so we need to
// figure out the correct index to insert the CSS into
var index = 0;
var lastC = 0;
args[0].replace(/%[a-z%]/g, function(match) {
if ('%%' === match) return;
index++;
if ('%c' === match) {
// we only are interested in the *last* %c
// (the user may have provided their own)
lastC = index;
}
});
args.splice(lastC, 0, c);
return args;
}
/**
* Invokes `console.log()` when available.
* No-op when `console.log` is not a "function".
*
* @api public
*/
function log() {
// this hackery is required for IE8/9, where
// the `console.log` function doesn't have 'apply'
return 'object' === typeof console
&& console.log
&& Function.prototype.apply.call(console.log, console, arguments);
}
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
try {
if (null == namespaces) {
exports.storage.removeItem('debug');
} else {
exports.storage.debug = namespaces;
}
} catch(e) {}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
var r;
try {
r = exports.storage.debug;
} catch(e) {}
return r;
}
/**
* Enable namespaces listed in `localStorage.debug` initially.
*/
exports.enable(load());
/**
* Localstorage attempts to return the localstorage.
*
* This is necessary because safari throws
* when a user disables cookies/localstorage
* and you attempt to access it.
*
* @return {LocalStorage}
* @api private
*/
function localstorage(){
try {
return window.localStorage;
} catch (e) {}
}
},{"./debug":11}],11:[function(require,module,exports){
/**
* This is the common logic for both the Node.js and web browser
* implementations of `debug()`.
*
* Expose `debug()` as the module.
*/
exports = module.exports = debug;
exports.coerce = coerce;
exports.disable = disable;
exports.enable = enable;
exports.enabled = enabled;
exports.humanize = require('ms');
/**
* The currently active debug mode names, and names to skip.
*/
exports.names = [];
exports.skips = [];
/**
* Map of special "%n" handling functions, for the debug "format" argument.
*
* Valid key names are a single, lowercased letter, i.e. "n".
*/
exports.formatters = {};
/**
* Previously assigned color.
*/
var prevColor = 0;
/**
* Previous log timestamp.
*/
var prevTime;
/**
* Select a color.
*
* @return {Number}
* @api private
*/
function selectColor() {
return exports.colors[prevColor++ % exports.colors.length];
}
/**
* Create a debugger with the given `namespace`.
*
* @param {String} namespace
* @return {Function}
* @api public
*/
function debug(namespace) {
// define the `disabled` version
function disabled() {
}
disabled.enabled = false;
// define the `enabled` version
function enabled() {
var self = enabled;
// set `diff` timestamp
var curr = +new Date();
var ms = curr - (prevTime || curr);
self.diff = ms;
self.prev = prevTime;
self.curr = curr;
prevTime = curr;
// add the `color` if not set
if (null == self.useColors) self.useColors = exports.useColors();
if (null == self.color && self.useColors) self.color = selectColor();
var args = Array.prototype.slice.call(arguments);
args[0] = exports.coerce(args[0]);
if ('string' !== typeof args[0]) {
// anything else let's inspect with %o
args = ['%o'].concat(args);
}
// apply any `formatters` transformations
var index = 0;
args[0] = args[0].replace(/%([a-z%])/g, function(match, format) {
// if we encounter an escaped % then don't increase the array index
if (match === '%%') return match;
index++;
var formatter = exports.formatters[format];
if ('function' === typeof formatter) {
var val = args[index];
match = formatter.call(self, val);
// now we need to remove `args[index]` since it's inlined in the `format`
args.splice(index, 1);
index--;
}
return match;
});
if ('function' === typeof exports.formatArgs) {
args = exports.formatArgs.apply(self, args);
}
var logFn = enabled.log || exports.log || console.log.bind(console);
logFn.apply(self, args);
}
enabled.enabled = true;
var fn = exports.enabled(namespace) ? enabled : disabled;
fn.namespace = namespace;
return fn;
}
/**
* Enables a debug mode by namespaces. This can include modes
* separated by a colon and wildcards.
*
* @param {String} namespaces
* @api public
*/
function enable(namespaces) {
exports.save(namespaces);
var split = (namespaces || '').split(/[\s,]+/);
var len = split.length;
for (var i = 0; i < len; i++) {
if (!split[i]) continue; // ignore empty strings
namespaces = split[i].replace(/\*/g, '.*?');
if (namespaces[0] === '-') {
exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
} else {
exports.names.push(new RegExp('^' + namespaces + '$'));
}
}
}
/**
* Disable debug output.
*
* @api public
*/
function disable() {
exports.enable('');
}
/**
* Returns true if the given mode name is enabled, false otherwise.
*
* @param {String} name
* @return {Boolean}
* @api public
*/
function enabled(name) {
var i, len;
for (i = 0, len = exports.skips.length; i < len; i++) {
if (exports.skips[i].test(name)) {
return false;
}
}
for (i = 0, len = exports.names.length; i < len; i++) {
if (exports.names[i].test(name)) {
return true;
}
}
return false;
}
/**
* Coerce `val`.
*
* @param {Mixed} val
* @return {Mixed}
* @api private
*/
function coerce(val) {
if (val instanceof Error) return val.stack || val.message;
return val;
}
},{"ms":33}],12:[function(require,module,exports){
module.exports = require('./lib/');
},{"./lib/":13}],13:[function(require,module,exports){
module.exports = require('./socket');
/**
* Exports parser
*
* @api public
*
*/
module.exports.parser = require('engine.io-parser');
},{"./socket":14,"engine.io-parser":22}],14:[function(require,module,exports){
(function (global){
/**
* Module dependencies.
*/
var transports = require('./transports');
var Emitter = require('component-emitter');
var debug = require('debug')('engine.io-client:socket');
var index = require('indexof');
var parser = require('engine.io-parser');
var parseuri = require('parseuri');
var parsejson = require('parsejson');
var parseqs = require('parseqs');
/**
* Module exports.
*/
module.exports = Socket;
/**
* Noop function.
*
* @api private
*/
function noop(){}
/**
* Socket constructor.
*
* @param {String|Object} uri or options
* @param {Object} options
* @api public
*/
function Socket(uri, opts){
if (!(this instanceof Socket)) return new Socket(uri, opts);
opts = opts || {};
if (uri && 'object' == typeof uri) {
opts = uri;
uri = null;
}
if (uri) {
uri = parseuri(uri);
opts.hostname = uri.host;
opts.secure = uri.protocol == 'https' || uri.protocol == 'wss';
opts.port = uri.port;
if (uri.query) opts.query = uri.query;
} else if (opts.host) {
opts.hostname = parseuri(opts.host).host;
}
this.secure = null != opts.secure ? opts.secure :
(global.location && 'https:' == location.protocol);
if (opts.hostname && !opts.port) {
// if no port is specified manually, use the protocol default
opts.port = this.secure ? '443' : '80';
}
this.agent = opts.agent || false;
this.hostname = opts.hostname ||
(global.location ? location.hostname : 'localhost');
this.port = opts.port || (global.location && location.port ?
location.port :
(this.secure ? 443 : 80));
this.query = opts.query || {};
if ('string' == typeof this.query) this.query = parseqs.decode(this.query);
this.upgrade = false !== opts.upgrade;
this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
this.forceJSONP = !!opts.forceJSONP;
this.jsonp = false !== opts.jsonp;
this.forceBase64 = !!opts.forceBase64;
this.enablesXDR = !!opts.enablesXDR;
this.timestampParam = opts.timestampParam || 't';
this.timestampRequests = opts.timestampRequests;
this.transports = opts.transports || ['polling', 'websocket'];
this.readyState = '';
this.writeBuffer = [];
this.policyPort = opts.policyPort || 843;
this.rememberUpgrade = opts.rememberUpgrade || false;
this.binaryType = null;
this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false;
if (true === this.perMessageDeflate) this.perMessageDeflate = {};
if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {
this.perMessageDeflate.threshold = 1024;
}
// SSL options for Node.js client
this.pfx = opts.pfx || null;
this.key = opts.key || null;
this.passphrase = opts.passphrase || null;
this.cert = opts.cert || null;
this.ca = opts.ca || null;
this.ciphers = opts.ciphers || null;
this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? null : opts.rejectUnauthorized;
// other options for Node.js client
var freeGlobal = typeof global == 'object' && global;
if (freeGlobal.global === freeGlobal) {
if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {
this.extraHeaders = opts.extraHeaders;
}
}
this.open();
}
Socket.priorWebsocketSuccess = false;
/**
* Mix in `Emitter`.
*/
Emitter(Socket.prototype);
/**
* Protocol version.
*
* @api public
*/
Socket.protocol = parser.protocol; // this is an int
/**
* Expose deps for legacy compatibility
* and standalone browser access.
*/
Socket.Socket = Socket;
Socket.Transport = require('./transport');
Socket.transports = require('./transports');
Socket.parser = require('engine.io-parser');
/**
* Creates transport of the given type.
*
* @param {String} transport name
* @return {Transport}
* @api private
*/
Socket.prototype.createTransport = function (name) {
debug('creating transport "%s"', name);
var query = clone(this.query);
// append engine.io protocol identifier
query.EIO = parser.protocol;
// transport name
query.transport = name;
// session id if we already have one
if (this.id) query.sid = this.id;
var transport = new transports[name]({
agent: this.agent,
hostname: this.hostname,
port: this.port,
secure: this.secure,
path: this.path,
query: query,
forceJSONP: this.forceJSONP,
jsonp: this.jsonp,
forceBase64: this.forceBase64,
enablesXDR: this.enablesXDR,
timestampRequests: this.timestampRequests,
timestampParam: this.timestampParam,
policyPort: this.policyPort,
socket: this,
pfx: this.pfx,
key: this.key,
passphrase: this.passphrase,
cert: this.cert,
ca: this.ca,
ciphers: this.ciphers,
rejectUnauthorized: this.rejectUnauthorized,
perMessageDeflate: this.perMessageDeflate,
extraHeaders: this.extraHeaders
});
return transport;
};
function clone (obj) {
var o = {};
for (var i in obj) {
if (obj.hasOwnProperty(i)) {
o[i] = obj[i];
}
}
return o;
}
/**
* Initializes transport to use and starts probe.
*
* @api private
*/
Socket.prototype.open = function () {
var transport;
if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') != -1) {
transport = 'websocket';
} else if (0 === this.transports.length) {
// Emit error on next tick so it can be listened to
var self = this;
setTimeout(function() {
self.emit('error', 'No transports available');
}, 0);
return;
} else {
transport = this.transports[0];
}
this.readyState = 'opening';
// Retry with the next transport if the transport is disabled (jsonp: false)
try {
transport = this.createTransport(transport);
} catch (e) {
this.transports.shift();
this.open();
return;
}
transport.open();
this.setTransport(transport);
};
/**
* Sets the current transport. Disables the existing one (if any).
*
* @api private
*/
Socket.prototype.setTransport = function(transport){
debug('setting transport %s', transport.name);
var self = this;
if (this.transport) {
debug('clearing existing transport %s', this.transport.name);
this.transport.removeAllListeners();
}
// set up transport
this.transport = transport;
// set up transport listeners
transport
.on('drain', function(){
self.onDrain();
})
.on('packet', function(packet){
self.onPacket(packet);
})
.on('error', function(e){
self.onError(e);
})
.on('close', function(){
self.onClose('transport close');
});
};
/**
* Probes a transport.
*
* @param {String} transport name
* @api private
*/
Socket.prototype.probe = function (name) {
debug('probing transport "%s"', name);
var transport = this.createTransport(name, { probe: 1 })
, failed = false
, self = this;
Socket.priorWebsocketSuccess = false;
function onTransportOpen(){
if (self.onlyBinaryUpgrades) {
var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
failed = failed || upgradeLosesBinary;
}
if (failed) return;
debug('probe transport "%s" opened', name);
transport.send([{ type: 'ping', data: 'probe' }]);
transport.once('packet', function (msg) {
if (failed) return;
if ('pong' == msg.type && 'probe' == msg.data) {
debug('probe transport "%s" pong', name);
self.upgrading = true;
self.emit('upgrading', transport);
if (!transport) return;
Socket.priorWebsocketSuccess = 'websocket' == transport.name;
debug('pausing current transport "%s"', self.transport.name);
self.transport.pause(function () {
if (failed) return;
if ('closed' == self.readyState) return;
debug('changing transport and sending upgrade packet');
cleanup();
self.setTransport(transport);
transport.send([{ type: 'upgrade' }]);
self.emit('upgrade', transport);
transport = null;
self.upgrading = false;
self.flush();
});
} else {
debug('probe transport "%s" failed', name);
var err = new Error('probe error');
err.transport = transport.name;
self.emit('upgradeError', err);
}
});
}
function freezeTransport() {
if (failed) return;
// Any callback called by transport should be ignored since now
failed = true;
cleanup();
transport.close();
transport = null;
}
//Handle any error that happens while probing
function onerror(err) {
var error = new Error('probe error: ' + err);
error.transport = transport.name;
freezeTransport();
debug('probe transport "%s" failed because of error: %s', name, err);
self.emit('upgradeError', error);
}
function onTransportClose(){
onerror("transport closed");
}
//When the socket is closed while we're probing
function onclose(){
onerror("socket closed");
}
//When the socket is upgraded while we're probing
function onupgrade(to){
if (transport && to.name != transport.name) {
debug('"%s" works - aborting "%s"', to.name, transport.name);
freezeTransport();
}
}
//Remove all listeners on the transport and on self
function cleanup(){
transport.removeListener('open', onTransportOpen);
transport.removeListener('error', onerror);
transport.removeListener('close', onTransportClose);
self.removeListener('close', onclose);
self.removeListener('upgrading', onupgrade);
}
transport.once('open', onTransportOpen);
transport.once('error', onerror);
transport.once('close', onTransportClose);
this.once('close', onclose);
this.once('upgrading', onupgrade);
transport.open();
};
/**
* Called when connection is deemed open.
*
* @api public
*/
Socket.prototype.onOpen = function () {
debug('socket open');
this.readyState = 'open';
Socket.priorWebsocketSuccess = 'websocket' == this.transport.name;
this.emit('open');
this.flush();
// we check for `readyState` in case an `open`
// listener already closed the socket
if ('open' == this.readyState && this.upgrade && this.transport.pause) {
debug('starting upgrade probes');
for (var i = 0, l = this.upgrades.length; i < l; i++) {
this.probe(this.upgrades[i]);
}
}
};
/**
* Handles a packet.
*
* @api private
*/
Socket.prototype.onPacket = function (packet) {
if ('opening' == this.readyState || 'open' == this.readyState) {
debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
this.emit('packet', packet);
// Socket is live - any packet counts
this.emit('heartbeat');
switch (packet.type) {
case 'open':
this.onHandshake(parsejson(packet.data));
break;
case 'pong':
this.setPing();
this.emit('pong');
break;
case 'error':
var err = new Error('server error');
err.code = packet.data;
this.onError(err);
break;
case 'message':
this.emit('data', packet.data);
this.emit('message', packet.data);
break;
}
} else {
debug('packet received with socket readyState "%s"', this.readyState);
}
};
/**
* Called upon handshake completion.
*
* @param {Object} handshake obj
* @api private
*/
Socket.prototype.onHandshake = function (data) {
this.emit('handshake', data);
this.id = data.sid;
this.transport.query.sid = data.sid;
this.upgrades = this.filterUpgrades(data.upgrades);
this.pingInterval = data.pingInterval;
this.pingTimeout = data.pingTimeout;
this.onOpen();
// In case open handler closes socket
if ('closed' == this.readyState) return;
this.setPing();
// Prolong liveness of socket on heartbeat
this.removeListener('heartbeat', this.onHeartbeat);
this.on('heartbeat', this.onHeartbeat);
};
/**
* Resets ping timeout.
*
* @api private
*/
Socket.prototype.onHeartbeat = function (timeout) {
clearTimeout(this.pingTimeoutTimer);
var self = this;
self.pingTimeoutTimer = setTimeout(function () {
if ('closed' == self.readyState) return;
self.onClose('ping timeout');
}, timeout || (self.pingInterval + self.pingTimeout));
};
/**
* Pings server every `this.pingInterval` and expects response
* within `this.pingTimeout` or closes connection.
*
* @api private
*/
Socket.prototype.setPing = function () {
var self = this;
clearTimeout(self.pingIntervalTimer);
self.pingIntervalTimer = setTimeout(function () {
debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
self.ping();
self.onHeartbeat(self.pingTimeout);
}, self.pingInterval);
};
/**
* Sends a ping packet.
*
* @api private
*/
Socket.prototype.ping = function () {
var self = this;
this.sendPacket('ping', function(){
self.emit('ping');
});
};
/**
* Called on `drain` event
*
* @api private
*/
Socket.prototype.onDrain = function() {
this.writeBuffer.splice(0, this.prevBufferLen);
// setting prevBufferLen = 0 is very important
// for example, when upgrading, upgrade packet is sent over,
// and a nonzero prevBufferLen could cause problems on `drain`
this.prevBufferLen = 0;
if (0 === this.writeBuffer.length) {
this.emit('drain');
} else {
this.flush();
}
};
/**
* Flush write buffers.
*
* @api private
*/
Socket.prototype.flush = function () {
if ('closed' != this.readyState && this.transport.writable &&
!this.upgrading && this.writeBuffer.length) {
debug('flushing %d packets in socket', this.writeBuffer.length);
this.transport.send(this.writeBuffer);
// keep track of current length of writeBuffer
// splice writeBuffer and callbackBuffer on `drain`
this.prevBufferLen = this.writeBuffer.length;
this.emit('flush');
}
};
/**
* Sends a message.
*
* @param {String} message.
* @param {Function} callback function.
* @param {Object} options.
* @return {Socket} for chaining.
* @api public
*/
Socket.prototype.write =
Socket.prototype.send = function (msg, options, fn) {
this.sendPacket('message', msg, options, fn);
return this;
};
/**
* Sends a packet.
*
* @param {String} packet type.
* @param {String} data.
* @param {Object} options.
* @param {Function} callback function.
* @api private
*/
Socket.prototype.sendPacket = function (type, data, options, fn) {
if('function' == typeof data) {
fn = data;
data = undefined;
}
if ('function' == typeof options) {
fn = options;
options = null;
}
if ('closing' == this.readyState || 'closed' == this.readyState) {
return;
}
options = options || {};
options.compress = false !== options.compress;
var packet = {
type: type,
data: data,
options: options
};
this.emit('packetCreate', packet);
this.writeBuffer.push(packet);
if (fn) this.once('flush', fn);
this.flush();
};
/**
* Closes the connection.
*
* @api private
*/
Socket.prototype.close = function () {
if ('opening' == this.readyState || 'open' == this.readyState) {
this.readyState = 'closing';
var self = this;
if (this.writeBuffer.length) {
this.once('drain', function() {
if (this.upgrading) {
waitForUpgrade();
} else {
close();
}
});
} else if (this.upgrading) {
waitForUpgrade();
} else {
close();
}
}
function close() {
self.onClose('forced close');
debug('socket closing - telling transport to close');
self.transport.close();
}
function cleanupAndClose() {
self.removeListener('upgrade', cleanupAndClose);
self.removeListener('upgradeError', cleanupAndClose);
close();
}
function waitForUpgrade() {
// wait for upgrade to finish since we can't send packets while pausing a transport
self.once('upgrade', cleanupAndClose);
self.once('upgradeError', cleanupAndClose);
}
return this;
};
/**
* Called upon transport error
*
* @api private
*/
Socket.prototype.onError = function (err) {
debug('socket error %j', err);
Socket.priorWebsocketSuccess = false;
this.emit('error', err);
this.onClose('transport error', err);
};
/**
* Called upon transport close.
*
* @api private
*/
Socket.prototype.onClose = function (reason, desc) {
if ('opening' == this.readyState || 'open' == this.readyState || 'closing' == this.readyState) {
debug('socket close with reason: "%s"', reason);
var self = this;
// clear timers
clearTimeout(this.pingIntervalTimer);
clearTimeout(this.pingTimeoutTimer);
// stop event from firing again for transport
this.transport.removeAllListeners('close');
// ensure transport won't stay open
this.transport.close();
// ignore further transport communication
this.transport.removeAllListeners();
// set ready state
this.readyState = 'closed';
// clear session id
this.id = null;
// emit close event
this.emit('close', reason, desc);
// clean buffers after, so users can still
// grab the buffers on `close` event
self.writeBuffer = [];
self.prevBufferLen = 0;
}
};
/**
* Filters upgrades, returning only those matching client transports.
*
* @param {Array} server upgrades
* @api private
*
*/
Socket.prototype.filterUpgrades = function (upgrades) {
var filteredUpgrades = [];
for (var i = 0, j = upgrades.length; i<j; i++) {
if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
}
return filteredUpgrades;
};
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./transport":15,"./transports":16,"component-emitter":8,"debug":10,"engine.io-parser":22,"indexof":30,"parsejson":35,"parseqs":36,"parseuri":37}],15:[function(require,module,exports){
/**
* Module dependencies.
*/
var parser = require('engine.io-parser');
var Emitter = require('component-emitter');
/**
* Module exports.
*/
module.exports = Transport;
/**
* Transport abstract constructor.
*
* @param {Object} options.
* @api private
*/
function Transport (opts) {
this.path = opts.path;
this.hostname = opts.hostname;
this.port = opts.port;
this.secure = opts.secure;
this.query = opts.query;
this.timestampParam = opts.timestampParam;
this.timestampRequests = opts.timestampRequests;
this.readyState = '';
this.agent = opts.agent || false;
this.socket = opts.socket;
this.enablesXDR = opts.enablesXDR;
// SSL options for Node.js client
this.pfx = opts.pfx;
this.key = opts.key;
this.passphrase = opts.passphrase;
this.cert = opts.cert;
this.ca = opts.ca;
this.ciphers = opts.ciphers;
this.rejectUnauthorized = opts.rejectUnauthorized;
// other options for Node.js client
this.extraHeaders = opts.extraHeaders;
}
/**
* Mix in `Emitter`.
*/
Emitter(Transport.prototype);
/**
* Emits an error.
*
* @param {String} str
* @return {Transport} for chaining
* @api public
*/
Transport.prototype.onError = function (msg, desc) {
var err = new Error(msg);
err.type = 'TransportError';
err.description = desc;
this.emit('error', err);
return this;
};
/**
* Opens the transport.
*
* @api public
*/
Transport.prototype.open = function () {
if ('closed' == this.readyState || '' == this.readyState) {
this.readyState = 'opening';
this.doOpen();
}
return this;
};
/**
* Closes the transport.
*
* @api private
*/
Transport.prototype.close = function () {
if ('opening' == this.readyState || 'open' == this.readyState) {
this.doClose();
this.onClose();
}
return this;
};
/**
* Sends multiple packets.
*
* @param {Array} packets
* @api private
*/
Transport.prototype.send = function(packets){
if ('open' == this.readyState) {
this.write(packets);
} else {
throw new Error('Transport not open');
}
};
/**
* Called upon open
*
* @api private
*/
Transport.prototype.onOpen = function () {
this.readyState = 'open';
this.writable = true;
this.emit('open');
};
/**
* Called with data.
*
* @param {String} data
* @api private
*/
Transport.prototype.onData = function(data){
var packet = parser.decodePacket(data, this.socket.binaryType);
this.onPacket(packet);
};
/**
* Called with a decoded packet.
*/
Transport.prototype.onPacket = function (packet) {
this.emit('packet', packet);
};
/**
* Called upon close.
*
* @api private
*/
Transport.prototype.onClose = function () {
this.readyState = 'closed';
this.emit('close');
};
},{"component-emitter":8,"engine.io-parser":22}],16:[function(require,module,exports){
(function (global){
/**
* Module dependencies
*/
var XMLHttpRequest = require('xmlhttprequest-ssl');
var XHR = require('./polling-xhr');
var JSONP = require('./polling-jsonp');
var websocket = require('./websocket');
/**
* Export transports.
*/
exports.polling = polling;
exports.websocket = websocket;
/**
* Polling transport polymorphic constructor.
* Decides on xhr vs jsonp based on feature detection.
*
* @api private
*/
function polling(opts){
var xhr;
var xd = false;
var xs = false;
var jsonp = false !== opts.jsonp;
if (global.location) {
var isSSL = 'https:' == location.protocol;
var port = location.port;
// some user agents have empty `location.port`
if (!port) {
port = isSSL ? 443 : 80;
}
xd = opts.hostname != location.hostname || port != opts.port;
xs = opts.secure != isSSL;
}
opts.xdomain = xd;
opts.xscheme = xs;
xhr = new XMLHttpRequest(opts);
if ('open' in xhr && !opts.forceJSONP) {
return new XHR(opts);
} else {
if (!jsonp) throw new Error('JSONP disabled');
return new JSONP(opts);
}
}
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./polling-jsonp":17,"./polling-xhr":18,"./websocket":20,"xmlhttprequest-ssl":21}],17:[function(require,module,exports){
(function (global){
/**
* Module requirements.
*/
var Polling = require('./polling');
var inherit = require('component-inherit');
/**
* Module exports.
*/
module.exports = JSONPPolling;
/**
* Cached regular expressions.
*/
var rNewline = /\n/g;
var rEscapedNewline = /\\n/g;
/**
* Global JSONP callbacks.
*/
var callbacks;
/**
* Callbacks count.
*/
var index = 0;
/**
* Noop.
*/
function empty () { }
/**
* JSONP Polling constructor.
*
* @param {Object} opts.
* @api public
*/
function JSONPPolling (opts) {
Polling.call(this, opts);
this.query = this.query || {};
// define global callbacks array if not present
// we do this here (lazily) to avoid unneeded global pollution
if (!callbacks) {
// we need to consider multiple engines in the same page
if (!global.___eio) global.___eio = [];
callbacks = global.___eio;
}
// callback identifier
this.index = callbacks.length;
// add callback to jsonp global
var self = this;
callbacks.push(function (msg) {
self.onData(msg);
});
// append to query string
this.query.j = this.index;
// prevent spurious errors from being emitted when the window is unloaded
if (global.document && global.addEventListener) {
global.addEventListener('beforeunload', function () {
if (self.script) self.script.onerror = empty;
}, false);
}
}
/**
* Inherits from Polling.
*/
inherit(JSONPPolling, Polling);
/*
* JSONP only supports binary as base64 encoded strings
*/
JSONPPolling.prototype.supportsBinary = false;
/**
* Closes the socket.
*
* @api private
*/
JSONPPolling.prototype.doClose = function () {
if (this.script) {
this.script.parentNode.removeChild(this.script);
this.script = null;
}
if (this.form) {
this.form.parentNode.removeChild(this.form);
this.form = null;
this.iframe = null;
}
Polling.prototype.doClose.call(this);
};
/**
* Starts a poll cycle.
*
* @api private
*/
JSONPPolling.prototype.doPoll = function () {
var self = this;
var script = document.createElement('script');
if (this.script) {
this.script.parentNode.removeChild(this.script);
this.script = null;
}
script.async = true;
script.src = this.uri();
script.onerror = function(e){
self.onError('jsonp poll error',e);
};
var insertAt = document.getElementsByTagName('script')[0];
if (insertAt) {
insertAt.parentNode.insertBefore(script, insertAt);
}
else {
(document.head || document.body).appendChild(script);
}
this.script = script;
var isUAgecko = 'undefined' != typeof navigator && /gecko/i.test(navigator.userAgent);
if (isUAgecko) {
setTimeout(function () {
var iframe = document.createElement('iframe');
document.body.appendChild(iframe);
document.body.removeChild(iframe);
}, 100);
}
};
/**
* Writes with a hidden iframe.
*
* @param {String} data to send
* @param {Function} called upon flush.
* @api private
*/
JSONPPolling.prototype.doWrite = function (data, fn) {
var self = this;
if (!this.form) {
var form = document.createElement('form');
var area = document.createElement('textarea');
var id = this.iframeId = 'eio_iframe_' + this.index;
var iframe;
form.className = 'socketio';
form.style.position = 'absolute';
form.style.top = '-1000px';
form.style.left = '-1000px';
form.target = id;
form.method = 'POST';
form.setAttribute('accept-charset', 'utf-8');
area.name = 'd';
form.appendChild(area);
document.body.appendChild(form);
this.form = form;
this.area = area;
}
this.form.action = this.uri();
function complete () {
initIframe();
fn();
}
function initIframe () {
if (self.iframe) {
try {
self.form.removeChild(self.iframe);
} catch (e) {
self.onError('jsonp polling iframe removal error', e);
}
}
try {
// ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
var html = '<iframe src="javascript:0" name="'+ self.iframeId +'">';
iframe = document.createElement(html);
} catch (e) {
iframe = document.createElement('iframe');
iframe.name = self.iframeId;
iframe.src = 'javascript:0';
}
iframe.id = self.iframeId;
self.form.appendChild(iframe);
self.iframe = iframe;
}
initIframe();
// escape \n to prevent it from being converted into \r\n by some UAs
// double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
data = data.replace(rEscapedNewline, '\\\n');
this.area.value = data.replace(rNewline, '\\n');
try {
this.form.submit();
} catch(e) {}
if (this.iframe.attachEvent) {
this.iframe.onreadystatechange = function(){
if (self.iframe.readyState == 'complete') {
complete();
}
};
} else {
this.iframe.onload = complete;
}
};
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./polling":19,"component-inherit":9}],18:[function(require,module,exports){
(function (global){
/**
* Module requirements.
*/
var XMLHttpRequest = require('xmlhttprequest-ssl');
var Polling = require('./polling');
var Emitter = require('component-emitter');
var inherit = require('component-inherit');
var debug = require('debug')('engine.io-client:polling-xhr');
/**
* Module exports.
*/
module.exports = XHR;
module.exports.Request = Request;
/**
* Empty function
*/
function empty(){}
/**
* XHR Polling constructor.
*
* @param {Object} opts
* @api public
*/
function XHR(opts){
Polling.call(this, opts);
if (global.location) {
var isSSL = 'https:' == location.protocol;
var port = location.port;
// some user agents have empty `location.port`
if (!port) {
port = isSSL ? 443 : 80;
}
this.xd = opts.hostname != global.location.hostname ||
port != opts.port;
this.xs = opts.secure != isSSL;
} else {
this.extraHeaders = opts.extraHeaders;
}
}
/**
* Inherits from Polling.
*/
inherit(XHR, Polling);
/**
* XHR supports binary
*/
XHR.prototype.supportsBinary = true;
/**
* Creates a request.
*
* @param {String} method
* @api private
*/
XHR.prototype.request = function(opts){
opts = opts || {};
opts.uri = this.uri();
opts.xd = this.xd;
opts.xs = this.xs;
opts.agent = this.agent || false;
opts.supportsBinary = this.supportsBinary;
opts.enablesXDR = this.enablesXDR;
// SSL options for Node.js client
opts.pfx = this.pfx;
opts.key = this.key;
opts.passphrase = this.passphrase;
opts.cert = this.cert;
opts.ca = this.ca;
opts.ciphers = this.ciphers;
opts.rejectUnauthorized = this.rejectUnauthorized;
// other options for Node.js client
opts.extraHeaders = this.extraHeaders;
return new Request(opts);
};
/**
* Sends data.
*
* @param {String} data to send.
* @param {Function} called upon flush.
* @api private
*/
XHR.prototype.doWrite = function(data, fn){
var isBinary = typeof data !== 'string' && data !== undefined;
var req = this.request({ method: 'POST', data: data, isBinary: isBinary });
var self = this;
req.on('success', fn);
req.on('error', function(err){
self.onError('xhr post error', err);
});
this.sendXhr = req;
};
/**
* Starts a poll cycle.
*
* @api private
*/
XHR.prototype.doPoll = function(){
debug('xhr poll');
var req = this.request();
var self = this;
req.on('data', function(data){
self.onData(data);
});
req.on('error', function(err){
self.onError('xhr poll error', err);
});
this.pollXhr = req;
};
/**
* Request constructor
*
* @param {Object} options
* @api public
*/
function Request(opts){
this.method = opts.method || 'GET';
this.uri = opts.uri;
this.xd = !!opts.xd;
this.xs = !!opts.xs;
this.async = false !== opts.async;
this.data = undefined != opts.data ? opts.data : null;
this.agent = opts.agent;
this.isBinary = opts.isBinary;
this.supportsBinary = opts.supportsBinary;
this.enablesXDR = opts.enablesXDR;
// SSL options for Node.js client
this.pfx = opts.pfx;
this.key = opts.key;
this.passphrase = opts.passphrase;
this.cert = opts.cert;
this.ca = opts.ca;
this.ciphers = opts.ciphers;
this.rejectUnauthorized = opts.rejectUnauthorized;
// other options for Node.js client
this.extraHeaders = opts.extraHeaders;
this.create();
}
/**
* Mix in `Emitter`.
*/
Emitter(Request.prototype);
/**
* Creates the XHR object and sends the request.
*
* @api private
*/
Request.prototype.create = function(){
var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };
// SSL options for Node.js client
opts.pfx = this.pfx;
opts.key = this.key;
opts.passphrase = this.passphrase;
opts.cert = this.cert;
opts.ca = this.ca;
opts.ciphers = this.ciphers;
opts.rejectUnauthorized = this.rejectUnauthorized;
var xhr = this.xhr = new XMLHttpRequest(opts);
var self = this;
try {
debug('xhr open %s: %s', this.method, this.uri);
xhr.open(this.method, this.uri, this.async);
try {
if (this.extraHeaders) {
xhr.setDisableHeaderCheck(true);
for (var i in this.extraHeaders) {
if (this.extraHeaders.hasOwnProperty(i)) {
xhr.setRequestHeader(i, this.extraHeaders[i]);
}
}
}
} catch (e) {}
if (this.supportsBinary) {
// This has to be done after open because Firefox is stupid
// http://stackoverflow.com/questions/13216903/get-binary-data-with-xmlhttprequest-in-a-firefox-extension
xhr.responseType = 'arraybuffer';
}
if ('POST' == this.method) {
try {
if (this.isBinary) {
xhr.setRequestHeader('Content-type', 'application/octet-stream');
} else {
xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
}
} catch (e) {}
}
// ie6 check
if ('withCredentials' in xhr) {
xhr.withCredentials = true;
}
if (this.hasXDR()) {
xhr.onload = function(){
self.onLoad();
};
xhr.onerror = function(){
self.onError(xhr.responseText);
};
} else {
xhr.onreadystatechange = function(){
if (4 != xhr.readyState) return;
if (200 == xhr.status || 1223 == xhr.status) {
self.onLoad();
} else {
// make sure the `error` event handler that's user-set
// does not throw in the same tick and gets caught here
setTimeout(function(){
self.onError(xhr.status);
}, 0);
}
};
}
debug('xhr data %s', this.data);
xhr.send(this.data);
} catch (e) {
// Need to defer since .create() is called directly fhrom the constructor
// and thus the 'error' event can only be only bound *after* this exception
// occurs. Therefore, also, we cannot throw here at all.
setTimeout(function() {
self.onError(e);
}, 0);
return;
}
if (global.document) {
this.index = Request.requestsCount++;
Request.requests[this.index] = this;
}
};
/**
* Called upon successful response.
*
* @api private
*/
Request.prototype.onSuccess = function(){
this.emit('success');
this.cleanup();
};
/**
* Called if we have data.
*
* @api private
*/
Request.prototype.onData = function(data){
this.emit('data', data);
this.onSuccess();
};
/**
* Called upon error.
*
* @api private
*/
Request.prototype.onError = function(err){
this.emit('error', err);
this.cleanup(true);
};
/**
* Cleans up house.
*
* @api private
*/
Request.prototype.cleanup = function(fromError){
if ('undefined' == typeof this.xhr || null === this.xhr) {
return;
}
// xmlhttprequest
if (this.hasXDR()) {
this.xhr.onload = this.xhr.onerror = empty;
} else {
this.xhr.onreadystatechange = empty;
}
if (fromError) {
try {
this.xhr.abort();
} catch(e) {}
}
if (global.document) {
delete Request.requests[this.index];
}
this.xhr = null;
};
/**
* Called upon load.
*
* @api private
*/
Request.prototype.onLoad = function(){
var data;
try {
var contentType;
try {
contentType = this.xhr.getResponseHeader('Content-Type').split(';')[0];
} catch (e) {}
if (contentType === 'application/octet-stream') {
data = this.xhr.response;
} else {
if (!this.supportsBinary) {
data = this.xhr.responseText;
} else {
try {
data = String.fromCharCode.apply(null, new Uint8Array(this.xhr.response));
} catch (e) {
var ui8Arr = new Uint8Array(this.xhr.response);
var dataArray = [];
for (var idx = 0, length = ui8Arr.length; idx < length; idx++) {
dataArray.push(ui8Arr[idx]);
}
data = String.fromCharCode.apply(null, dataArray);
}
}
}
} catch (e) {
this.onError(e);
}
if (null != data) {
this.onData(data);
}
};
/**
* Check if it has XDomainRequest.
*
* @api private
*/
Request.prototype.hasXDR = function(){
return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;
};
/**
* Aborts the request.
*
* @api public
*/
Request.prototype.abort = function(){
this.cleanup();
};
/**
* Aborts pending requests when unloading the window. This is needed to prevent
* memory leaks (e.g. when using IE) and to ensure that no spurious error is
* emitted.
*/
if (global.document) {
Request.requestsCount = 0;
Request.requests = {};
if (global.attachEvent) {
global.attachEvent('onunload', unloadHandler);
} else if (global.addEventListener) {
global.addEventListener('beforeunload', unloadHandler, false);
}
}
function unloadHandler() {
for (var i in Request.requests) {
if (Request.requests.hasOwnProperty(i)) {
Request.requests[i].abort();
}
}
}
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./polling":19,"component-emitter":8,"component-inherit":9,"debug":10,"xmlhttprequest-ssl":21}],19:[function(require,module,exports){
/**
* Module dependencies.
*/
var Transport = require('../transport');
var parseqs = require('parseqs');
var parser = require('engine.io-parser');
var inherit = require('component-inherit');
var yeast = require('yeast');
var debug = require('debug')('engine.io-client:polling');
/**
* Module exports.
*/
module.exports = Polling;
/**
* Is XHR2 supported?
*/
var hasXHR2 = (function() {
var XMLHttpRequest = require('xmlhttprequest-ssl');
var xhr = new XMLHttpRequest({ xdomain: false });
return null != xhr.responseType;
})();
/**
* Polling interface.
*
* @param {Object} opts
* @api private
*/
function Polling(opts){
var forceBase64 = (opts && opts.forceBase64);
if (!hasXHR2 || forceBase64) {
this.supportsBinary = false;
}
Transport.call(this, opts);
}
/**
* Inherits from Transport.
*/
inherit(Polling, Transport);
/**
* Transport name.
*/
Polling.prototype.name = 'polling';
/**
* Opens the socket (triggers polling). We write a PING message to determine
* when the transport is open.
*
* @api private
*/
Polling.prototype.doOpen = function(){
this.poll();
};
/**
* Pauses polling.
*
* @param {Function} callback upon buffers are flushed and transport is paused
* @api private
*/
Polling.prototype.pause = function(onPause){
var pending = 0;
var self = this;
this.readyState = 'pausing';
function pause(){
debug('paused');
self.readyState = 'paused';
onPause();
}
if (this.polling || !this.writable) {
var total = 0;
if (this.polling) {
debug('we are currently polling - waiting to pause');
total++;
this.once('pollComplete', function(){
debug('pre-pause polling complete');
--total || pause();
});
}
if (!this.writable) {
debug('we are currently writing - waiting to pause');
total++;
this.once('drain', function(){
debug('pre-pause writing complete');
--total || pause();
});
}
} else {
pause();
}
};
/**
* Starts polling cycle.
*
* @api public
*/
Polling.prototype.poll = function(){
debug('polling');
this.polling = true;
this.doPoll();
this.emit('poll');
};
/**
* Overloads onData to detect payloads.
*
* @api private
*/
Polling.prototype.onData = function(data){
var self = this;
debug('polling got data %s', data);
var callback = function(packet, index, total) {
// if its the first message we consider the transport open
if ('opening' == self.readyState) {
self.onOpen();
}
// if its a close packet, we close the ongoing requests
if ('close' == packet.type) {
self.onClose();
return false;
}
// otherwise bypass onData and handle the message
self.onPacket(packet);
};
// decode payload
parser.decodePayload(data, this.socket.binaryType, callback);
// if an event did not trigger closing
if ('closed' != this.readyState) {
// if we got data we're not polling
this.polling = false;
this.emit('pollComplete');
if ('open' == this.readyState) {
this.poll();
} else {
debug('ignoring poll - transport state "%s"', this.readyState);
}
}
};
/**
* For polling, send a close packet.
*
* @api private
*/
Polling.prototype.doClose = function(){
var self = this;
function close(){
debug('writing close packet');
self.write([{ type: 'close' }]);
}
if ('open' == this.readyState) {
debug('transport open - closing');
close();
} else {
// in case we're trying to close while
// handshaking is in progress (GH-164)
debug('transport not open - deferring close');
this.once('open', close);
}
};
/**
* Writes a packets payload.
*
* @param {Array} data packets
* @param {Function} drain callback
* @api private
*/
Polling.prototype.write = function(packets){
var self = this;
this.writable = false;
var callbackfn = function() {
self.writable = true;
self.emit('drain');
};
var self = this;
parser.encodePayload(packets, this.supportsBinary, function(data) {
self.doWrite(data, callbackfn);
});
};
/**
* Generates uri for connection.
*
* @api private
*/
Polling.prototype.uri = function(){
var query = this.query || {};
var schema = this.secure ? 'https' : 'http';
var port = '';
// cache busting is forced
if (false !== this.timestampRequests) {
query[this.timestampParam] = yeast();
}
if (!this.supportsBinary && !query.sid) {
query.b64 = 1;
}
query = parseqs.encode(query);
// avoid port if default for schema
if (this.port && (('https' == schema && this.port != 443) ||
('http' == schema && this.port != 80))) {
port = ':' + this.port;
}
// prepend ? to query
if (query.length) {
query = '?' + query;
}
var ipv6 = this.hostname.indexOf(':') !== -1;
return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
};
},{"../transport":15,"component-inherit":9,"debug":10,"engine.io-parser":22,"parseqs":36,"xmlhttprequest-ssl":21,"yeast":53}],20:[function(require,module,exports){
(function (global){
/**
* Module dependencies.
*/
var Transport = require('../transport');
var parser = require('engine.io-parser');
var parseqs = require('parseqs');
var inherit = require('component-inherit');
var yeast = require('yeast');
var debug = require('debug')('engine.io-client:websocket');
var BrowserWebSocket = global.WebSocket || global.MozWebSocket;
/**
* Get either the `WebSocket` or `MozWebSocket` globals
* in the browser or try to resolve WebSocket-compatible
* interface exposed by `ws` for Node-like environment.
*/
var WebSocket = BrowserWebSocket;
if (!WebSocket && typeof window === 'undefined') {
try {
WebSocket = require('ws');
} catch (e) { }
}
/**
* Module exports.
*/
module.exports = WS;
/**
* WebSocket transport constructor.
*
* @api {Object} connection options
* @api public
*/
function WS(opts){
var forceBase64 = (opts && opts.forceBase64);
if (forceBase64) {
this.supportsBinary = false;
}
this.perMessageDeflate = opts.perMessageDeflate;
Transport.call(this, opts);
}
/**
* Inherits from Transport.
*/
inherit(WS, Transport);
/**
* Transport name.
*
* @api public
*/
WS.prototype.name = 'websocket';
/*
* WebSockets support binary
*/
WS.prototype.supportsBinary = true;
/**
* Opens socket.
*
* @api private
*/
WS.prototype.doOpen = function(){
if (!this.check()) {
// let probe timeout
return;
}
var self = this;
var uri = this.uri();
var protocols = void(0);
var opts = {
agent: this.agent,
perMessageDeflate: this.perMessageDeflate
};
// SSL options for Node.js client
opts.pfx = this.pfx;
opts.key = this.key;
opts.passphrase = this.passphrase;
opts.cert = this.cert;
opts.ca = this.ca;
opts.ciphers = this.ciphers;
opts.rejectUnauthorized = this.rejectUnauthorized;
if (this.extraHeaders) {
opts.headers = this.extraHeaders;
}
this.ws = BrowserWebSocket ? new WebSocket(uri) : new WebSocket(uri, protocols, opts);
if (this.ws.binaryType === undefined) {
this.supportsBinary = false;
}
if (this.ws.supports && this.ws.supports.binary) {
this.supportsBinary = true;
this.ws.binaryType = 'buffer';
} else {
this.ws.binaryType = 'arraybuffer';
}
this.addEventListeners();
};
/**
* Adds event listeners to the socket
*
* @api private
*/
WS.prototype.addEventListeners = function(){
var self = this;
this.ws.onopen = function(){
self.onOpen();
};
this.ws.onclose = function(){
self.onClose();
};
this.ws.onmessage = function(ev){
self.onData(ev.data);
};
this.ws.onerror = function(e){
self.onError('websocket error', e);
};
};
/**
* Override `onData` to use a timer on iOS.
* See: https://gist.github.com/mloughran/2052006
*
* @api private
*/
if ('undefined' != typeof navigator
&& /iPad|iPhone|iPod/i.test(navigator.userAgent)) {
WS.prototype.onData = function(data){
var self = this;
setTimeout(function(){
Transport.prototype.onData.call(self, data);
}, 0);
};
}
/**
* Writes data to socket.
*
* @param {Array} array of packets.
* @api private
*/
WS.prototype.write = function(packets){
var self = this;
this.writable = false;
// encodePacket efficient as it uses WS framing
// no need for encodePayload
var total = packets.length;
for (var i = 0, l = total; i < l; i++) {
(function(packet) {
parser.encodePacket(packet, self.supportsBinary, function(data) {
if (!BrowserWebSocket) {
// always create a new object (GH-437)
var opts = {};
if (packet.options) {
opts.compress = packet.options.compress;
}
if (self.perMessageDeflate) {
var len = 'string' == typeof data ? global.Buffer.byteLength(data) : data.length;
if (len < self.perMessageDeflate.threshold) {
opts.compress = false;
}
}
}
//Sometimes the websocket has already been closed but the browser didn't
//have a chance of informing us about it yet, in that case send will
//throw an error
try {
if (BrowserWebSocket) {
// TypeError is thrown when passing the second argument on Safari
self.ws.send(data);
} else {
self.ws.send(data, opts);
}
} catch (e){
debug('websocket closed before onclose event');
}
--total || done();
});
})(packets[i]);
}
function done(){
self.emit('flush');
// fake drain
// defer to next tick to allow Socket to clear writeBuffer
setTimeout(function(){
self.writable = true;
self.emit('drain');
}, 0);
}
};
/**
* Called upon close
*
* @api private
*/
WS.prototype.onClose = function(){
Transport.prototype.onClose.call(this);
};
/**
* Closes socket.
*
* @api private
*/
WS.prototype.doClose = function(){
if (typeof this.ws !== 'undefined') {
this.ws.close();
}
};
/**
* Generates uri for connection.
*
* @api private
*/
WS.prototype.uri = function(){
var query = this.query || {};
var schema = this.secure ? 'wss' : 'ws';
var port = '';
// avoid port if default for schema
if (this.port && (('wss' == schema && this.port != 443)
|| ('ws' == schema && this.port != 80))) {
port = ':' + this.port;
}
// append timestamp to URI
if (this.timestampRequests) {
query[this.timestampParam] = yeast();
}
// communicate binary support capabilities
if (!this.supportsBinary) {
query.b64 = 1;
}
query = parseqs.encode(query);
// prepend ? to query
if (query.length) {
query = '?' + query;
}
var ipv6 = this.hostname.indexOf(':') !== -1;
return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
};
/**
* Feature detection for WebSocket.
*
* @return {Boolean} whether this transport is available.
* @api public
*/
WS.prototype.check = function(){
return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
};
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"../transport":15,"component-inherit":9,"debug":10,"engine.io-parser":22,"parseqs":36,"ws":61,"yeast":53}],21:[function(require,module,exports){
// browser shim for xmlhttprequest module
var hasCORS = require('has-cors');
module.exports = function(opts) {
var xdomain = opts.xdomain;
// scheme must be same when usign XDomainRequest
// http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
var xscheme = opts.xscheme;
// XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
// https://github.com/Automattic/engine.io-client/pull/217
var enablesXDR = opts.enablesXDR;
// XMLHttpRequest can be disabled on IE
try {
if ('undefined' != typeof XMLHttpRequest && (!xdomain || hasCORS)) {
return new XMLHttpRequest();
}
} catch (e) { }
// Use XDomainRequest for IE8 if enablesXDR is true
// because loading bar keeps flashing when using jsonp-polling
// https://github.com/yujiosaka/socke.io-ie8-loading-example
try {
if ('undefined' != typeof XDomainRequest && !xscheme && enablesXDR) {
return new XDomainRequest();
}
} catch (e) { }
if (!xdomain) {
try {
return new ActiveXObject('Microsoft.XMLHTTP');
} catch(e) { }
}
}
},{"has-cors":28}],22:[function(require,module,exports){
(function (global){
/**
* Module dependencies.
*/
var keys = require('./keys');
var hasBinary = require('has-binary');
var sliceBuffer = require('arraybuffer.slice');
var base64encoder = require('base64-arraybuffer');
var after = require('after');
var utf8 = require('utf8');
/**
* Check if we are running an android browser. That requires us to use
* ArrayBuffer with polling transports...
*
* http://ghinda.net/jpeg-blob-ajax-android/
*/
var isAndroid = navigator.userAgent.match(/Android/i);
/**
* Check if we are running in PhantomJS.
* Uploading a Blob with PhantomJS does not work correctly, as reported here:
* https://github.com/ariya/phantomjs/issues/11395
* @type boolean
*/
var isPhantomJS = /PhantomJS/i.test(navigator.userAgent);
/**
* When true, avoids using Blobs to encode payloads.
* @type boolean
*/
var dontSendBlobs = isAndroid || isPhantomJS;
/**
* Current protocol version.
*/
exports.protocol = 3;
/**
* Packet types.
*/
var packets = exports.packets = {
open: 0 // non-ws
, close: 1 // non-ws
, ping: 2
, pong: 3
, message: 4
, upgrade: 5
, noop: 6
};
var packetslist = keys(packets);
/**
* Premade error packet.
*/
var err = { type: 'error', data: 'parser error' };
/**
* Create a blob api even for blob builder when vendor prefixes exist
*/
var Blob = require('blob');
/**
* Encodes a packet.
*
* <packet type id> [ <data> ]
*
* Example:
*
* 5hello world
* 3
* 4
*
* Binary is encoded in an identical principle
*
* @api private
*/
exports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {
if ('function' == typeof supportsBinary) {
callback = supportsBinary;
supportsBinary = false;
}
if ('function' == typeof utf8encode) {
callback = utf8encode;
utf8encode = null;
}
var data = (packet.data === undefined)
? undefined
: packet.data.buffer || packet.data;
if (global.ArrayBuffer && data instanceof ArrayBuffer) {
return encodeArrayBuffer(packet, supportsBinary, callback);
} else if (Blob && data instanceof global.Blob) {
return encodeBlob(packet, supportsBinary, callback);
}
// might be an object with { base64: true, data: dataAsBase64String }
if (data && data.base64) {
return encodeBase64Object(packet, callback);
}
// Sending data as a utf-8 string
var encoded = packets[packet.type];
// data fragment is optional
if (undefined !== packet.data) {
encoded += utf8encode ? utf8.encode(String(packet.data)) : String(packet.data);
}
return callback('' + encoded);
};
function encodeBase64Object(packet, callback) {
// packet data is an object { base64: true, data: dataAsBase64String }
var message = 'b' + exports.packets[packet.type] + packet.data.data;
return callback(message);
}
/**
* Encode packet helpers for binary types
*/
function encodeArrayBuffer(packet, supportsBinary, callback) {
if (!supportsBinary) {
return exports.encodeBase64Packet(packet, callback);
}
var data = packet.data;
var contentArray = new Uint8Array(data);
var resultBuffer = new Uint8Array(1 + data.byteLength);
resultBuffer[0] = packets[packet.type];
for (var i = 0; i < contentArray.length; i++) {
resultBuffer[i+1] = contentArray[i];
}
return callback(resultBuffer.buffer);
}
function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
if (!supportsBinary) {
return exports.encodeBase64Packet(packet, callback);
}
var fr = new FileReader();
fr.onload = function() {
packet.data = fr.result;
exports.encodePacket(packet, supportsBinary, true, callback);
};
return fr.readAsArrayBuffer(packet.data);
}
function encodeBlob(packet, supportsBinary, callback) {
if (!supportsBinary) {
return exports.encodeBase64Packet(packet, callback);
}
if (dontSendBlobs) {
return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);
}
var length = new Uint8Array(1);
length[0] = packets[packet.type];
var blob = new Blob([length.buffer, packet.data]);
return callback(blob);
}
/**
* Encodes a packet with binary data in a base64 string
*
* @param {Object} packet, has `type` and `data`
* @return {String} base64 encoded message
*/
exports.encodeBase64Packet = function(packet, callback) {
var message = 'b' + exports.packets[packet.type];
if (Blob && packet.data instanceof global.Blob) {
var fr = new FileReader();
fr.onload = function() {
var b64 = fr.result.split(',')[1];
callback(message + b64);
};
return fr.readAsDataURL(packet.data);
}
var b64data;
try {
b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));
} catch (e) {
// iPhone Safari doesn't let you apply with typed arrays
var typed = new Uint8Array(packet.data);
var basic = new Array(typed.length);
for (var i = 0; i < typed.length; i++) {
basic[i] = typed[i];
}
b64data = String.fromCharCode.apply(null, basic);
}
message += global.btoa(b64data);
return callback(message);
};
/**
* Decodes a packet. Changes format to Blob if requested.
*
* @return {Object} with `type` and `data` (if any)
* @api private
*/
exports.decodePacket = function (data, binaryType, utf8decode) {
// String data
if (typeof data == 'string' || data === undefined) {
if (data.charAt(0) == 'b') {
return exports.decodeBase64Packet(data.substr(1), binaryType);
}
if (utf8decode) {
try {
data = utf8.decode(data);
} catch (e) {
return err;
}
}
var type = data.charAt(0);
if (Number(type) != type || !packetslist[type]) {
return err;
}
if (data.length > 1) {
return { type: packetslist[type], data: data.substring(1) };
} else {
return { type: packetslist[type] };
}
}
var asArray = new Uint8Array(data);
var type = asArray[0];
var rest = sliceBuffer(data, 1);
if (Blob && binaryType === 'blob') {
rest = new Blob([rest]);
}
return { type: packetslist[type], data: rest };
};
/**
* Decodes a packet encoded in a base64 string
*
* @param {String} base64 encoded message
* @return {Object} with `type` and `data` (if any)
*/
exports.decodeBase64Packet = function(msg, binaryType) {
var type = packetslist[msg.charAt(0)];
if (!global.ArrayBuffer) {
return { type: type, data: { base64: true, data: msg.substr(1) } };
}
var data = base64encoder.decode(msg.substr(1));
if (binaryType === 'blob' && Blob) {
data = new Blob([data]);
}
return { type: type, data: data };
};
/**
* Encodes multiple messages (payload).
*
* <length>:data
*
* Example:
*
* 11:hello world2:hi
*
* If any contents are binary, they will be encoded as base64 strings. Base64
* encoded strings are marked with a b before the length specifier
*
* @param {Array} packets
* @api private
*/
exports.encodePayload = function (packets, supportsBinary, callback) {
if (typeof supportsBinary == 'function') {
callback = supportsBinary;
supportsBinary = null;
}
var isBinary = hasBinary(packets);
if (supportsBinary && isBinary) {
if (Blob && !dontSendBlobs) {
return exports.encodePayloadAsBlob(packets, callback);
}
return exports.encodePayloadAsArrayBuffer(packets, callback);
}
if (!packets.length) {
return callback('0:');
}
function setLengthHeader(message) {
return message.length + ':' + message;
}
function encodeOne(packet, doneCallback) {
exports.encodePacket(packet, !isBinary ? false : supportsBinary, true, function(message) {
doneCallback(null, setLengthHeader(message));
});
}
map(packets, encodeOne, function(err, results) {
return callback(results.join(''));
});
};
/**
* Async array map using after
*/
function map(ary, each, done) {
var result = new Array(ary.length);
var next = after(ary.length, done);
var eachWithIndex = function(i, el, cb) {
each(el, function(error, msg) {
result[i] = msg;
cb(error, result);
});
};
for (var i = 0; i < ary.length; i++) {
eachWithIndex(i, ary[i], next);
}
}
/*
* Decodes data when a payload is maybe expected. Possible binary contents are
* decoded from their base64 representation
*
* @param {String} data, callback method
* @api public
*/
exports.decodePayload = function (data, binaryType, callback) {
if (typeof data != 'string') {
return exports.decodePayloadAsBinary(data, binaryType, callback);
}
if (typeof binaryType === 'function') {
callback = binaryType;
binaryType = null;
}
var packet;
if (data == '') {
// parser error - ignoring payload
return callback(err, 0, 1);
}
var length = ''
, n, msg;
for (var i = 0, l = data.length; i < l; i++) {
var chr = data.charAt(i);
if (':' != chr) {
length += chr;
} else {
if ('' == length || (length != (n = Number(length)))) {
// parser error - ignoring payload
return callback(err, 0, 1);
}
msg = data.substr(i + 1, n);
if (length != msg.length) {
// parser error - ignoring payload
return callback(err, 0, 1);
}
if (msg.length) {
packet = exports.decodePacket(msg, binaryType, true);
if (err.type == packet.type && err.data == packet.data) {
// parser error in individual packet - ignoring payload
return callback(err, 0, 1);
}
var ret = callback(packet, i + n, l);
if (false === ret) return;
}
// advance cursor
i += n;
length = '';
}
}
if (length != '') {
// parser error - ignoring payload
return callback(err, 0, 1);
}
};
/**
* Encodes multiple messages (payload) as binary.
*
* <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number
* 255><data>
*
* Example:
* 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers
*
* @param {Array} packets
* @return {ArrayBuffer} encoded payload
* @api private
*/
exports.encodePayloadAsArrayBuffer = function(packets, callback) {
if (!packets.length) {
return callback(new ArrayBuffer(0));
}
function encodeOne(packet, doneCallback) {
exports.encodePacket(packet, true, true, function(data) {
return doneCallback(null, data);
});
}
map(packets, encodeOne, function(err, encodedPackets) {
var totalLength = encodedPackets.reduce(function(acc, p) {
var len;
if (typeof p === 'string'){
len = p.length;
} else {
len = p.byteLength;
}
return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2
}, 0);
var resultArray = new Uint8Array(totalLength);
var bufferIndex = 0;
encodedPackets.forEach(function(p) {
var isString = typeof p === 'string';
var ab = p;
if (isString) {
var view = new Uint8Array(p.length);
for (var i = 0; i < p.length; i++) {
view[i] = p.charCodeAt(i);
}
ab = view.buffer;
}
if (isString) { // not true binary
resultArray[bufferIndex++] = 0;
} else { // true binary
resultArray[bufferIndex++] = 1;
}
var lenStr = ab.byteLength.toString();
for (var i = 0; i < lenStr.length; i++) {
resultArray[bufferIndex++] = parseInt(lenStr[i]);
}
resultArray[bufferIndex++] = 255;
var view = new Uint8Array(ab);
for (var i = 0; i < view.length; i++) {
resultArray[bufferIndex++] = view[i];
}
});
return callback(resultArray.buffer);
});
};
/**
* Encode as Blob
*/
exports.encodePayloadAsBlob = function(packets, callback) {
function encodeOne(packet, doneCallback) {
exports.encodePacket(packet, true, true, function(encoded) {
var binaryIdentifier = new Uint8Array(1);
binaryIdentifier[0] = 1;
if (typeof encoded === 'string') {
var view = new Uint8Array(encoded.length);
for (var i = 0; i < encoded.length; i++) {
view[i] = encoded.charCodeAt(i);
}
encoded = view.buffer;
binaryIdentifier[0] = 0;
}
var len = (encoded instanceof ArrayBuffer)
? encoded.byteLength
: encoded.size;
var lenStr = len.toString();
var lengthAry = new Uint8Array(lenStr.length + 1);
for (var i = 0; i < lenStr.length; i++) {
lengthAry[i] = parseInt(lenStr[i]);
}
lengthAry[lenStr.length] = 255;
if (Blob) {
var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);
doneCallback(null, blob);
}
});
}
map(packets, encodeOne, function(err, results) {
return callback(new Blob(results));
});
};
/*
* Decodes data when a payload is maybe expected. Strings are decoded by
* interpreting each byte as a key code for entries marked to start with 0. See
* description of encodePayloadAsBinary
*
* @param {ArrayBuffer} data, callback method
* @api public
*/
exports.decodePayloadAsBinary = function (data, binaryType, callback) {
if (typeof binaryType === 'function') {
callback = binaryType;
binaryType = null;
}
var bufferTail = data;
var buffers = [];
var numberTooLong = false;
while (bufferTail.byteLength > 0) {
var tailArray = new Uint8Array(bufferTail);
var isString = tailArray[0] === 0;
var msgLength = '';
for (var i = 1; ; i++) {
if (tailArray[i] == 255) break;
if (msgLength.length > 310) {
numberTooLong = true;
break;
}
msgLength += tailArray[i];
}
if(numberTooLong) return callback(err, 0, 1);
bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);
msgLength = parseInt(msgLength);
var msg = sliceBuffer(bufferTail, 0, msgLength);
if (isString) {
try {
msg = String.fromCharCode.apply(null, new Uint8Array(msg));
} catch (e) {
// iPhone Safari doesn't let you apply to typed arrays
var typed = new Uint8Array(msg);
msg = '';
for (var i = 0; i < typed.length; i++) {
msg += String.fromCharCode(typed[i]);
}
}
}
buffers.push(msg);
bufferTail = sliceBuffer(bufferTail, msgLength);
}
var total = buffers.length;
buffers.forEach(function(buffer, i) {
callback(exports.decodePacket(buffer, binaryType, true), i, total);
});
};
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./keys":23,"after":2,"arraybuffer.slice":3,"base64-arraybuffer":5,"blob":6,"has-binary":24,"utf8":50}],23:[function(require,module,exports){
/**
* Gets the keys for an object.
*
* @return {Array} keys
* @api private
*/
module.exports = Object.keys || function keys (obj){
var arr = [];
var has = Object.prototype.hasOwnProperty;
for (var i in obj) {
if (has.call(obj, i)) {
arr.push(i);
}
}
return arr;
};
},{}],24:[function(require,module,exports){
(function (global){
/*
* Module requirements.
*/
var isArray = require('isarray');
/**
* Module exports.
*/
module.exports = hasBinary;
/**
* Checks for binary data.
*
* Right now only Buffer and ArrayBuffer are supported..
*
* @param {Object} anything
* @api public
*/
function hasBinary(data) {
function _hasBinary(obj) {
if (!obj) return false;
if ( (global.Buffer && global.Buffer.isBuffer(obj)) ||
(global.ArrayBuffer && obj instanceof ArrayBuffer) ||
(global.Blob && obj instanceof Blob) ||
(global.File && obj instanceof File)
) {
return true;
}
if (isArray(obj)) {
for (var i = 0; i < obj.length; i++) {
if (_hasBinary(obj[i])) {
return true;
}
}
} else if (obj && 'object' == typeof obj) {
if (obj.toJSON) {
obj = obj.toJSON();
}
for (var key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
return true;
}
}
}
return false;
}
return _hasBinary(data);
}
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"isarray":32}],25:[function(require,module,exports){
// originally pulled out of simple-peer
module.exports = function getBrowserRTC () {
if (typeof window === 'undefined') return null
var wrtc = {
RTCPeerConnection: window.RTCPeerConnection || window.mozRTCPeerConnection ||
window.webkitRTCPeerConnection,
RTCSessionDescription: window.RTCSessionDescription ||
window.mozRTCSessionDescription || window.webkitRTCSessionDescription,
RTCIceCandidate: window.RTCIceCandidate || window.mozRTCIceCandidate ||
window.webkitRTCIceCandidate
}
if (!wrtc.RTCPeerConnection) return null
return wrtc
}
},{}],26:[function(require,module,exports){
(function (process){
"use strict";
var isNode = typeof process === 'object' &&
typeof process.versions === 'object' &&
process.versions.node &&
process.__atom_type !== "renderer";
var shared, create, crypto;
if (isNode) {
var nodeRequire = require; // Prevent mine.js from seeing this require
crypto = nodeRequire('crypto');
create = createNode;
}
else {
shared = new Uint32Array(80);
create = createJs;
}
// Input chunks must be either arrays of bytes or "raw" encoded strings
module.exports = function sha1(buffer) {
if (buffer === undefined) return create(false);
var shasum = create(true);
shasum.update(buffer);
return shasum.digest();
};
// Use node's openssl bindings when available
function createNode() {
var shasum = crypto.createHash('sha1');
return {
update: function (buffer) {
return shasum.update(buffer);
},
digest: function () {
return shasum.digest('hex');
}
};
}
// A pure JS implementation of sha1 for non-node environments.
function createJs(sync) {
var h0 = 0x67452301;
var h1 = 0xEFCDAB89;
var h2 = 0x98BADCFE;
var h3 = 0x10325476;
var h4 = 0xC3D2E1F0;
// The first 64 bytes (16 words) is the data chunk
var block, offset = 0, shift = 24;
var totalLength = 0;
if (sync) block = shared;
else block = new Uint32Array(80);
return { update: update, digest: digest };
// The user gave us more data. Store it!
function update(chunk) {
if (typeof chunk === "string") return updateString(chunk);
var length = chunk.length;
totalLength += length * 8;
for (var i = 0; i < length; i++) {
write(chunk[i]);
}
}
function updateString(string) {
var length = string.length;
totalLength += length * 8;
for (var i = 0; i < length; i++) {
write(string.charCodeAt(i));
}
}
function write(byte) {
block[offset] |= (byte & 0xff) << shift;
if (shift) {
shift -= 8;
}
else {
offset++;
shift = 24;
}
if (offset === 16) processBlock();
}
// No more data will come, pad the block, process and return the result.
function digest() {
// Pad
write(0x80);
if (offset > 14 || (offset === 14 && shift < 24)) {
processBlock();
}
offset = 14;
shift = 24;
// 64-bit length big-endian
write(0x00); // numbers this big aren't accurate in javascript anyway
write(0x00); // ..So just hard-code to zero.
write(totalLength > 0xffffffffff ? totalLength / 0x10000000000 : 0x00);
write(totalLength > 0xffffffff ? totalLength / 0x100000000 : 0x00);
for (var s = 24; s >= 0; s -= 8) {
write(totalLength >> s);
}
// At this point one last processBlock() should trigger and we can pull out the result.
return toHex(h0) +
toHex(h1) +
toHex(h2) +
toHex(h3) +
toHex(h4);
}
// We have a full block to process. Let's do it!
function processBlock() {
// Extend the sixteen 32-bit words into eighty 32-bit words:
for (var i = 16; i < 80; i++) {
var w = block[i - 3] ^ block[i - 8] ^ block[i - 14] ^ block[i - 16];
block[i] = (w << 1) | (w >>> 31);
}
// log(block);
// Initialize hash value for this chunk:
var a = h0;
var b = h1;
var c = h2;
var d = h3;
var e = h4;
var f, k;
// Main loop:
for (i = 0; i < 80; i++) {
if (i < 20) {
f = d ^ (b & (c ^ d));
k = 0x5A827999;
}
else if (i < 40) {
f = b ^ c ^ d;
k = 0x6ED9EBA1;
}
else if (i < 60) {
f = (b & c) | (d & (b | c));
k = 0x8F1BBCDC;
}
else {
f = b ^ c ^ d;
k = 0xCA62C1D6;
}
var temp = (a << 5 | a >>> 27) + f + e + k + (block[i]|0);
e = d;
d = c;
c = (b << 30 | b >>> 2);
b = a;
a = temp;
}
// Add this chunk's hash to result so far:
h0 = (h0 + a) | 0;
h1 = (h1 + b) | 0;
h2 = (h2 + c) | 0;
h3 = (h3 + d) | 0;
h4 = (h4 + e) | 0;
// The block is now reusable.
offset = 0;
for (i = 0; i < 16; i++) {
block[i] = 0;
}
}
function toHex(word) {
var hex = "";
for (var i = 28; i >= 0; i -= 4) {
hex += ((word >> i) & 0xf).toString(16);
}
return hex;
}
}
}).call(this,require('_process'))
},{"_process":71}],27:[function(require,module,exports){
(function (global){
/*
* Module requirements.
*/
var isArray = require('isarray');
/**
* Module exports.
*/
module.exports = hasBinary;
/**
* Checks for binary data.
*
* Right now only Buffer and ArrayBuffer are supported..
*
* @param {Object} anything
* @api public
*/
function hasBinary(data) {
function _hasBinary(obj) {
if (!obj) return false;
if ( (global.Buffer && global.Buffer.isBuffer && global.Buffer.isBuffer(obj)) ||
(global.ArrayBuffer && obj instanceof ArrayBuffer) ||
(global.Blob && obj instanceof Blob) ||
(global.File && obj instanceof File)
) {
return true;
}
if (isArray(obj)) {
for (var i = 0; i < obj.length; i++) {
if (_hasBinary(obj[i])) {
return true;
}
}
} else if (obj && 'object' == typeof obj) {
// see: https://github.com/Automattic/has-binary/pull/4
if (obj.toJSON && 'function' == typeof obj.toJSON) {
obj = obj.toJSON();
}
for (var key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
return true;
}
}
}
return false;
}
return _hasBinary(data);
}
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"isarray":32}],28:[function(require,module,exports){
/**
* Module exports.
*
* Logic borrowed from Modernizr:
*
* - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
*/
try {
module.exports = typeof XMLHttpRequest !== 'undefined' &&
'withCredentials' in new XMLHttpRequest();
} catch (err) {
// if XMLHttp support is disabled in IE then it will throw
// when trying to create
module.exports = false;
}
},{}],29:[function(require,module,exports){
var hat = module.exports = function (bits, base) {
if (!base) base = 16;
if (bits === undefined) bits = 128;
if (bits <= 0) return '0';
var digits = Math.log(Math.pow(2, bits)) / Math.log(base);
for (var i = 2; digits === Infinity; i *= 2) {
digits = Math.log(Math.pow(2, bits / i)) / Math.log(base) * i;
}
var rem = digits - Math.floor(digits);
var res = '';
for (var i = 0; i < Math.floor(digits); i++) {
var x = Math.floor(Math.random() * base).toString(base);
res = x + res;
}
if (rem) {
var b = Math.pow(base, rem);
var x = Math.floor(Math.random() * b).toString(base);
res = x + res;
}
var parsed = parseInt(res, base);
if (parsed !== Infinity && parsed >= Math.pow(2, bits)) {
return hat(bits, base)
}
else return res;
};
hat.rack = function (bits, base, expandBy) {
var fn = function (data) {
var iters = 0;
do {
if (iters ++ > 10) {
if (expandBy) bits += expandBy;
else throw new Error('too many ID collisions, use more bits')
}
var id = hat(bits, base);
} while (Object.hasOwnProperty.call(hats, id));
hats[id] = data;
return id;
};
var hats = fn.hats = {};
fn.get = function (id) {
return fn.hats[id];
};
fn.set = function (id, value) {
fn.hats[id] = value;
return fn;
};
fn.bits = bits || 128;
fn.base = base || 16;
return fn;
};
},{}],30:[function(require,module,exports){
var indexOf = [].indexOf;
module.exports = function(arr, obj){
if (indexOf) return arr.indexOf(obj);
for (var i = 0; i < arr.length; ++i) {
if (arr[i] === obj) return i;
}
return -1;
};
},{}],31:[function(require,module,exports){
if (typeof Object.create === 'function') {
// implementation from standard node.js 'util' module
module.exports = function inherits(ctor, superCtor) {
ctor.super_ = superCtor
ctor.prototype = Object.create(superCtor.prototype, {
constructor: {
value: ctor,
enumerable: false,
writable: true,
configurable: true
}
});
};
} else {
// old school shim for old browsers
module.exports = function inherits(ctor, superCtor) {
ctor.super_ = superCtor
var TempCtor = function () {}
TempCtor.prototype = superCtor.prototype
ctor.prototype = new TempCtor()
ctor.prototype.constructor = ctor
}
}
},{}],32:[function(require,module,exports){
module.exports = Array.isArray || function (arr) {
return Object.prototype.toString.call(arr) == '[object Array]';
};
},{}],33:[function(require,module,exports){
/**
* Helpers.
*/
var s = 1000;
var m = s * 60;
var h = m * 60;
var d = h * 24;
var y = d * 365.25;
/**
* Parse or format the given `val`.
*
* Options:
*
* - `long` verbose formatting [false]
*
* @param {String|Number} val
* @param {Object} options
* @return {String|Number}
* @api public
*/
module.exports = function(val, options){
options = options || {};
if ('string' == typeof val) return parse(val);
return options.long
? long(val)
: short(val);
};
/**
* Parse the given `str` and return milliseconds.
*
* @param {String} str
* @return {Number}
* @api private
*/
function parse(str) {
str = '' + str;
if (str.length > 10000) return;
var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(str);
if (!match) return;
var n = parseFloat(match[1]);
var type = (match[2] || 'ms').toLowerCase();
switch (type) {
case 'years':
case 'year':
case 'yrs':
case 'yr':
case 'y':
return n * y;
case 'days':
case 'day':
case 'd':
return n * d;
case 'hours':
case 'hour':
case 'hrs':
case 'hr':
case 'h':
return n * h;
case 'minutes':
case 'minute':
case 'mins':
case 'min':
case 'm':
return n * m;
case 'seconds':
case 'second':
case 'secs':
case 'sec':
case 's':
return n * s;
case 'milliseconds':
case 'millisecond':
case 'msecs':
case 'msec':
case 'ms':
return n;
}
}
/**
* Short format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function short(ms) {
if (ms >= d) return Math.round(ms / d) + 'd';
if (ms >= h) return Math.round(ms / h) + 'h';
if (ms >= m) return Math.round(ms / m) + 'm';
if (ms >= s) return Math.round(ms / s) + 's';
return ms + 'ms';
}
/**
* Long format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function long(ms) {
return plural(ms, d, 'day')
|| plural(ms, h, 'hour')
|| plural(ms, m, 'minute')
|| plural(ms, s, 'second')
|| ms + ' ms';
}
/**
* Pluralization helper.
*/
function plural(ms, n, name) {
if (ms < n) return;
if (ms < n * 1.5) return Math.floor(ms / n) + ' ' + name;
return Math.ceil(ms / n) + ' ' + name + 's';
}
},{}],34:[function(require,module,exports){
var wrappy = require('wrappy')
module.exports = wrappy(once)
once.proto = once(function () {
Object.defineProperty(Function.prototype, 'once', {
value: function () {
return once(this)
},
configurable: true
})
})
function once (fn) {
var f = function () {
if (f.called) return f.value
f.called = true
return f.value = fn.apply(this, arguments)
}
f.called = false
return f
}
},{"wrappy":52}],35:[function(require,module,exports){
(function (global){
/**
* JSON parse.
*
* @see Based on jQuery#parseJSON (MIT) and JSON2
* @api private
*/
var rvalidchars = /^[\],:{}\s]*$/;
var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;
var rtrimLeft = /^\s+/;
var rtrimRight = /\s+$/;
module.exports = function parsejson(data) {
if ('string' != typeof data || !data) {
return null;
}
data = data.replace(rtrimLeft, '').replace(rtrimRight, '');
// Attempt to parse using the native JSON parser first
if (global.JSON && JSON.parse) {
return JSON.parse(data);
}
if (rvalidchars.test(data.replace(rvalidescape, '@')
.replace(rvalidtokens, ']')
.replace(rvalidbraces, ''))) {
return (new Function('return ' + data))();
}
};
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],36:[function(require,module,exports){
/**
* Compiles a querystring
* Returns string representation of the object
*
* @param {Object}
* @api private
*/
exports.encode = function (obj) {
var str = '';
for (var i in obj) {
if (obj.hasOwnProperty(i)) {
if (str.length) str += '&';
str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
}
}
return str;
};
/**
* Parses a simple querystring into an object
*
* @param {String} qs
* @api private
*/
exports.decode = function(qs){
var qry = {};
var pairs = qs.split('&');
for (var i = 0, l = pairs.length; i < l; i++) {
var pair = pairs[i].split('=');
qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
}
return qry;
};
},{}],37:[function(require,module,exports){
/**
* Parses an URI
*
* @author Steven Levithan <stevenlevithan.com> (MIT license)
* @api private
*/
var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
var parts = [
'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
];
module.exports = function parseuri(str) {
var src = str,
b = str.indexOf('['),
e = str.indexOf(']');
if (b != -1 && e != -1) {
str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
}
var m = re.exec(str || ''),
uri = {},
i = 14;
while (i--) {
uri[parts[i]] = m[i] || '';
}
if (b != -1 && e != -1) {
uri.source = src;
uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
uri.ipv6uri = true;
}
return uri;
};
},{}],38:[function(require,module,exports){
(function (Buffer){
module.exports = Peer
var debug = require('debug')('simple-peer')
var getBrowserRTC = require('get-browser-rtc')
var hat = require('hat')
var inherits = require('inherits')
var once = require('once')
var stream = require('stream')
inherits(Peer, stream.Duplex)
/**
* WebRTC peer connection. Same API as node core `net.Socket`, plus a few extra methods.
* Duplex stream.
* @param {Object} opts
*/
function Peer (opts) {
var self = this
if (!(self instanceof Peer)) return new Peer(opts)
self._debug('new peer %o', opts)
if (!opts) opts = {}
opts.allowHalfOpen = false
if (opts.highWaterMark == null) opts.highWaterMark = 1024 * 1024
stream.Duplex.call(self, opts)
self.initiator = opts.initiator || false
self.channelConfig = opts.channelConfig || Peer.channelConfig
self.channelName = opts.initiator ? (opts.channelName || hat(160)) : null
self.config = opts.config || Peer.config
self.constraints = opts.constraints || Peer.constraints
self.offerConstraints = opts.offerConstraints
self.answerConstraints = opts.answerConstraints
self.reconnectTimer = opts.reconnectTimer || false
self.sdpTransform = opts.sdpTransform || function (sdp) { return sdp }
self.stream = opts.stream || false
self.trickle = opts.trickle !== undefined ? opts.trickle : true
self.destroyed = false
self.connected = false
// so Peer object always has same shape (V8 optimization)
self.remoteAddress = undefined
self.remoteFamily = undefined
self.remotePort = undefined
self.localAddress = undefined
self.localPort = undefined
self._isWrtc = !!opts.wrtc // HACK: to fix `wrtc` bug. See issue: #60
self._wrtc = opts.wrtc || getBrowserRTC()
if (!self._wrtc) {
if (typeof window === 'undefined') {
throw new Error('No WebRTC support: Specify `opts.wrtc` option in this environment')
} else {
throw new Error('No WebRTC support: Not a supported browser')
}
}
self._maxBufferedAmount = opts.highWaterMark
self._pcReady = false
self._channelReady = false
self._iceComplete = false // ice candidate trickle done (got null candidate)
self._channel = null
self._pendingCandidates = []
self._chunk = null
self._cb = null
self._interval = null
self._reconnectTimeout = null
self._pc = new (self._wrtc.RTCPeerConnection)(self.config, self.constraints)
self._pc.oniceconnectionstatechange = self._onIceConnectionStateChange.bind(self)
self._pc.onsignalingstatechange = self._onSignalingStateChange.bind(self)
self._pc.onicecandidate = self._onIceCandidate.bind(self)
if (self.stream) self._pc.addStream(self.stream)
self._pc.onaddstream = self._onAddStream.bind(self)
if (self.initiator) {
self._setupData({ channel: self._pc.createDataChannel(self.channelName, self.channelConfig) })
self._pc.onnegotiationneeded = once(self._createOffer.bind(self))
// Only Chrome triggers "negotiationneeded"; this is a workaround for other
// implementations
if (typeof window === 'undefined' || !window.webkitRTCPeerConnection) {
self._pc.onnegotiationneeded()
}
} else {
self._pc.ondatachannel = self._setupData.bind(self)
}
self.on('finish', function () {
if (self.connected) {
// When local peer is finished writing, close connection to remote peer.
// Half open connections are currently not supported.
// Wait a bit before destroying so the datachannel flushes.
// TODO: is there a more reliable way to accomplish this?
setTimeout(function () {
self._destroy()
}, 100)
} else {
// If data channel is not connected when local peer is finished writing, wait until
// data is flushed to network at "connect" event.
// TODO: is there a more reliable way to accomplish this?
self.once('connect', function () {
setTimeout(function () {
self._destroy()
}, 100)
})
}
})
}
Peer.WEBRTC_SUPPORT = !!getBrowserRTC()
/**
* Expose config, constraints, and data channel config for overriding all Peer
* instances. Otherwise, just set opts.config, opts.constraints, or opts.channelConfig
* when constructing a Peer.
*/
Peer.config = {
iceServers: [
{
url: 'stun:23.21.150.121', // deprecated, replaced by `urls`
urls: 'stun:23.21.150.121'
}
]
}
Peer.constraints = {}
Peer.channelConfig = {}
Object.defineProperty(Peer.prototype, 'bufferSize', {
get: function () {
var self = this
return (self._channel && self._channel.bufferedAmount) || 0
}
})
Peer.prototype.address = function () {
var self = this
return { port: self.localPort, family: 'IPv4', address: self.localAddress }
}
Peer.prototype.signal = function (data) {
var self = this
if (self.destroyed) throw new Error('cannot signal after peer is destroyed')
if (typeof data === 'string') {
try {
data = JSON.parse(data)
} catch (err) {
data = {}
}
}
self._debug('signal()')
function addIceCandidate (candidate) {
try {
self._pc.addIceCandidate(
new self._wrtc.RTCIceCandidate(candidate), noop, self._onError.bind(self)
)
} catch (err) {
self._destroy(new Error('error adding candidate: ' + err.message))
}
}
if (data.sdp) {
self._pc.setRemoteDescription(new (self._wrtc.RTCSessionDescription)(data), function () {
if (self.destroyed) return
if (self._pc.remoteDescription.type === 'offer') self._createAnswer()
self._pendingCandidates.forEach(addIceCandidate)
self._pendingCandidates = []
}, self._onError.bind(self))
}
if (data.candidate) {
if (self._pc.remoteDescription) addIceCandidate(data.candidate)
else self._pendingCandidates.push(data.candidate)
}
if (!data.sdp && !data.candidate) {
self._destroy(new Error('signal() called with invalid signal data'))
}
}
/**
* Send text/binary data to the remote peer.
* @param {TypedArrayView|ArrayBuffer|Buffer|string|Blob|Object} chunk
*/
Peer.prototype.send = function (chunk) {
var self = this
// HACK: `wrtc` module doesn't accept node.js buffer. See issue: #60
if (Buffer.isBuffer(chunk) && self._isWrtc) {
chunk = new Uint8Array(chunk)
}
var len = chunk.length || chunk.byteLength || chunk.size
self._channel.send(chunk)
self._debug('write: %d bytes', len)
}
Peer.prototype.destroy = function (onclose) {
var self = this
self._destroy(null, onclose)
}
Peer.prototype._destroy = function (err, onclose) {
var self = this
if (self.destroyed) return
if (onclose) self.once('close', onclose)
self._debug('destroy (error: %s)', err && err.message)
self.readable = self.writable = false
if (!self._readableState.ended) self.push(null)
if (!self._writableState.finished) self.end()
self.destroyed = true
self.connected = false
self._pcReady = false
self._channelReady = false
self._chunk = null
self._cb = null
clearInterval(self._interval)
clearTimeout(self._reconnectTimeout)
if (self._pc) {
try {
self._pc.close()
} catch (err) {}
self._pc.oniceconnectionstatechange = null
self._pc.onsignalingstatechange = null
self._pc.onicecandidate = null
}
if (self._channel) {
try {
self._channel.close()
} catch (err) {}
self._channel.onmessage = null
self._channel.onopen = null
self._channel.onclose = null
}
self._pc = null
self._channel = null
if (err) self.emit('error', err)
self.emit('close')
}
Peer.prototype._setupData = function (event) {
var self = this
self._channel = event.channel
self.channelName = self._channel.label
self._channel.binaryType = 'arraybuffer'
self._channel.onmessage = self._onChannelMessage.bind(self)
self._channel.onopen = self._onChannelOpen.bind(self)
self._channel.onclose = self._onChannelClose.bind(self)
}
Peer.prototype._read = function () {}
Peer.prototype._write = function (chunk, encoding, cb) {
var self = this
if (self.destroyed) return cb(new Error('cannot write after peer is destroyed'))
if (self.connected) {
try {
self.send(chunk)
} catch (err) {
return self._onError(err)
}
if (self._channel.bufferedAmount > self._maxBufferedAmount) {
self._debug('start backpressure: bufferedAmount %d', self._channel.bufferedAmount)
self._cb = cb
} else {
cb(null)
}
} else {
self._debug('write before connect')
self._chunk = chunk
self._cb = cb
}
}
Peer.prototype._createOffer = function () {
var self = this
if (self.destroyed) return
self._pc.createOffer(function (offer) {
if (self.destroyed) return
offer.sdp = self.sdpTransform(offer.sdp)
self._pc.setLocalDescription(offer, noop, self._onError.bind(self))
var sendOffer = function () {
var signal = self._pc.localDescription || offer
self._debug('signal')
self.emit('signal', {
type: signal.type,
sdp: signal.sdp
})
}
if (self.trickle || self._iceComplete) sendOffer()
else self.once('_iceComplete', sendOffer) // wait for candidates
}, self._onError.bind(self), self.offerConstraints)
}
Peer.prototype._createAnswer = function () {
var self = this
if (self.destroyed) return
self._pc.createAnswer(function (answer) {
if (self.destroyed) return
answer.sdp = self.sdpTransform(answer.sdp)
self._pc.setLocalDescription(answer, noop, self._onError.bind(self))
var sendAnswer = function () {
var signal = self._pc.localDescription || answer
self._debug('signal')
self.emit('signal', {
type: signal.type,
sdp: signal.sdp
})
}
if (self.trickle || self._iceComplete) sendAnswer()
else self.once('_iceComplete', sendAnswer)
}, self._onError.bind(self), self.answerConstraints)
}
Peer.prototype._onIceConnectionStateChange = function () {
var self = this
if (self.destroyed) return
var iceGatheringState = self._pc.iceGatheringState
var iceConnectionState = self._pc.iceConnectionState
self._debug('iceConnectionStateChange %s %s', iceGatheringState, iceConnectionState)
self.emit('iceConnectionStateChange', iceGatheringState, iceConnectionState)
if (iceConnectionState === 'connected' || iceConnectionState === 'completed') {
clearTimeout(self._reconnectTimeout)
self._pcReady = true
self._maybeReady()
}
if (iceConnectionState === 'disconnected') {
if (self.reconnectTimer) {
// If user has set `opt.reconnectTimer`, allow time for ICE to attempt a reconnect
clearTimeout(self._reconnectTimeout)
self._reconnectTimeout = setTimeout(function () {
self._destroy()
}, self.reconnectTimer)
} else {
self._destroy()
}
}
if (iceConnectionState === 'failed') {
self._destroy()
}
if (iceConnectionState === 'closed') {
self._destroy()
}
}
Peer.prototype.getStats = function (cb) {
var self = this
if (!self._pc.getStats) { // No ability to call stats
cb([])
} else if (typeof window !== 'undefined' && !!window.mozRTCPeerConnection) { // Mozilla
self._pc.getStats(null, function (res) {
var items = []
res.forEach(function (item) {
items.push(item)
})
cb(items)
}, self._onError.bind(self))
} else {
self._pc.getStats(function (res) { // Chrome
var items = []
res.result().forEach(function (result) {
var item = {}
result.names().forEach(function (name) {
item[name] = result.stat(name)
})
item.id = result.id
item.type = result.type
item.timestamp = result.timestamp
items.push(item)
})
cb(items)
})
}
}
Peer.prototype._maybeReady = function () {
var self = this
self._debug('maybeReady pc %s channel %s', self._pcReady, self._channelReady)
if (self.connected || self._connecting || !self._pcReady || !self._channelReady) return
self._connecting = true
self.getStats(function (items) {
self._connecting = false
self.connected = true
var remoteCandidates = {}
var localCandidates = {}
function setActiveCandidates (item) {
var local = localCandidates[item.localCandidateId]
var remote = remoteCandidates[item.remoteCandidateId]
if (local) {
self.localAddress = local.ipAddress
self.localPort = Number(local.portNumber)
} else if (typeof item.googLocalAddress === 'string') {
// Sometimes `item.id` is undefined in `wrtc` and Chrome
// See: https://github.com/feross/simple-peer/issues/66
local = item.googLocalAddress.split(':')
self.localAddress = local[0]
self.localPort = Number(local[1])
}
self._debug('connect local: %s:%s', self.localAddress, self.localPort)
if (remote) {
self.remoteAddress = remote.ipAddress
self.remotePort = Number(remote.portNumber)
self.remoteFamily = 'IPv4'
} else if (typeof item.googRemoteAddress === 'string') {
remote = item.googRemoteAddress.split(':')
self.remoteAddress = remote[0]
self.remotePort = Number(remote[1])
self.remoteFamily = 'IPv4'
}
self._debug('connect remote: %s:%s', self.remoteAddress, self.remotePort)
}
items.forEach(function (item) {
if (item.type === 'remotecandidate') remoteCandidates[item.id] = item
if (item.type === 'localcandidate') localCandidates[item.id] = item
})
items.forEach(function (item) {
var isCandidatePair = (
(item.type === 'googCandidatePair' && item.googActiveConnection === 'true') ||
(item.type === 'candidatepair' && item.selected)
)
if (isCandidatePair) setActiveCandidates(item)
})
if (self._chunk) {
try {
self.send(self._chunk)
} catch (err) {
return self._onError(err)
}
self._chunk = null
self._debug('sent chunk from "write before connect"')
var cb = self._cb
self._cb = null
cb(null)
}
self._interval = setInterval(function () {
if (!self._cb || !self._channel || self._channel.bufferedAmount > self._maxBufferedAmount) return
self._debug('ending backpressure: bufferedAmount %d', self._channel.bufferedAmount)
var cb = self._cb
self._cb = null
cb(null)
}, 150)
if (self._interval.unref) self._interval.unref()
self._debug('connect')
self.emit('connect')
})
}
Peer.prototype._onSignalingStateChange = function () {
var self = this
if (self.destroyed) return
self._debug('signalingStateChange %s', self._pc.signalingState)
self.emit('signalingStateChange', self._pc.signalingState)
}
Peer.prototype._onIceCandidate = function (event) {
var self = this
if (self.destroyed) return
if (event.candidate && self.trickle) {
self.emit('signal', {
candidate: {
candidate: event.candidate.candidate,
sdpMLineIndex: event.candidate.sdpMLineIndex,
sdpMid: event.candidate.sdpMid
}
})
} else if (!event.candidate) {
self._iceComplete = true
self.emit('_iceComplete')
}
}
Peer.prototype._onChannelMessage = function (event) {
var self = this
if (self.destroyed) return
var data = event.data
self._debug('read: %d bytes', data.byteLength || data.length)
if (data instanceof ArrayBuffer) data = new Buffer(data)
self.push(data)
}
Peer.prototype._onChannelOpen = function () {
var self = this
if (self.connected || self.destroyed) return
self._debug('on channel open')
self._channelReady = true
self._maybeReady()
}
Peer.prototype._onChannelClose = function () {
var self = this
if (self.destroyed) return
self._debug('on channel close')
self._destroy()
}
Peer.prototype._onAddStream = function (event) {
var self = this
if (self.destroyed) return
self._debug('on add stream')
self.emit('stream', event.stream)
}
Peer.prototype._onError = function (err) {
var self = this
if (self.destroyed) return
self._debug('error %s', err.message || err)
self._destroy(err)
}
Peer.prototype._debug = function () {
var self = this
var args = [].slice.call(arguments)
var id = self.channelName && self.channelName.substring(0, 7)
args[0] = '[' + id + '] ' + args[0]
debug.apply(null, args)
}
function noop () {}
}).call(this,require("buffer").Buffer)
},{"buffer":62,"debug":10,"get-browser-rtc":25,"hat":29,"inherits":31,"once":34,"stream":82}],39:[function(require,module,exports){
/**
* Module dependencies.
*/
var url = require('./url');
var parser = require('socket.io-parser');
var Manager = require('./manager');
var debug = require('debug')('socket.io-client');
/**
* Module exports.
*/
module.exports = exports = lookup;
/**
* Managers cache.
*/
var cache = exports.managers = {};
/**
* Looks up an existing `Manager` for multiplexing.
* If the user summons:
*
* `io('http://localhost/a');`
* `io('http://localhost/b');`
*
* We reuse the existing instance based on same scheme/port/host,
* and we initialize sockets for each namespace.
*
* @api public
*/
function lookup(uri, opts) {
if (typeof uri == 'object') {
opts = uri;
uri = undefined;
}
opts = opts || {};
var parsed = url(uri);
var source = parsed.source;
var id = parsed.id;
var path = parsed.path;
var sameNamespace = cache[id] && path in cache[id].nsps;
var newConnection = opts.forceNew || opts['force new connection'] ||
false === opts.multiplex || sameNamespace;
var io;
if (newConnection) {
debug('ignoring socket cache for %s', source);
io = Manager(source, opts);
} else {
if (!cache[id]) {
debug('new io instance for %s', source);
cache[id] = Manager(source, opts);
}
io = cache[id];
}
return io.socket(parsed.path);
}
/**
* Protocol version.
*
* @api public
*/
exports.protocol = parser.protocol;
/**
* `connect`.
*
* @param {String} uri
* @api public
*/
exports.connect = lookup;
/**
* Expose constructors for standalone build.
*
* @api public
*/
exports.Manager = require('./manager');
exports.Socket = require('./socket');
},{"./manager":40,"./socket":42,"./url":43,"debug":10,"socket.io-parser":46}],40:[function(require,module,exports){
/**
* Module dependencies.
*/
var eio = require('engine.io-client');
var Socket = require('./socket');
var Emitter = require('component-emitter');
var parser = require('socket.io-parser');
var on = require('./on');
var bind = require('component-bind');
var debug = require('debug')('socket.io-client:manager');
var indexOf = require('indexof');
var Backoff = require('backo2');
/**
* IE6+ hasOwnProperty
*/
var has = Object.prototype.hasOwnProperty;
/**
* Module exports
*/
module.exports = Manager;
/**
* `Manager` constructor.
*
* @param {String} engine instance or engine uri/opts
* @param {Object} options
* @api public
*/
function Manager(uri, opts){
if (!(this instanceof Manager)) return new Manager(uri, opts);
if (uri && ('object' == typeof uri)) {
opts = uri;
uri = undefined;
}
opts = opts || {};
opts.path = opts.path || '/socket.io';
this.nsps = {};
this.subs = [];
this.opts = opts;
this.reconnection(opts.reconnection !== false);
this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
this.reconnectionDelay(opts.reconnectionDelay || 1000);
this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
this.randomizationFactor(opts.randomizationFactor || 0.5);
this.backoff = new Backoff({
min: this.reconnectionDelay(),
max: this.reconnectionDelayMax(),
jitter: this.randomizationFactor()
});
this.timeout(null == opts.timeout ? 20000 : opts.timeout);
this.readyState = 'closed';
this.uri = uri;
this.connecting = [];
this.lastPing = null;
this.encoding = false;
this.packetBuffer = [];
this.encoder = new parser.Encoder();
this.decoder = new parser.Decoder();
this.autoConnect = opts.autoConnect !== false;
if (this.autoConnect) this.open();
}
/**
* Propagate given event to sockets and emit on `this`
*
* @api private
*/
Manager.prototype.emitAll = function() {
this.emit.apply(this, arguments);
for (var nsp in this.nsps) {
if (has.call(this.nsps, nsp)) {
this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);
}
}
};
/**
* Update `socket.id` of all sockets
*
* @api private
*/
Manager.prototype.updateSocketIds = function(){
for (var nsp in this.nsps) {
if (has.call(this.nsps, nsp)) {
this.nsps[nsp].id = this.engine.id;
}
}
};
/**
* Mix in `Emitter`.
*/
Emitter(Manager.prototype);
/**
* Sets the `reconnection` config.
*
* @param {Boolean} true/false if it should automatically reconnect
* @return {Manager} self or value
* @api public
*/
Manager.prototype.reconnection = function(v){
if (!arguments.length) return this._reconnection;
this._reconnection = !!v;
return this;
};
/**
* Sets the reconnection attempts config.
*
* @param {Number} max reconnection attempts before giving up
* @return {Manager} self or value
* @api public
*/
Manager.prototype.reconnectionAttempts = function(v){
if (!arguments.length) return this._reconnectionAttempts;
this._reconnectionAttempts = v;
return this;
};
/**
* Sets the delay between reconnections.
*
* @param {Number} delay
* @return {Manager} self or value
* @api public
*/
Manager.prototype.reconnectionDelay = function(v){
if (!arguments.length) return this._reconnectionDelay;
this._reconnectionDelay = v;
this.backoff && this.backoff.setMin(v);
return this;
};
Manager.prototype.randomizationFactor = function(v){
if (!arguments.length) return this._randomizationFactor;
this._randomizationFactor = v;
this.backoff && this.backoff.setJitter(v);
return this;
};
/**
* Sets the maximum delay between reconnections.
*
* @param {Number} delay
* @return {Manager} self or value
* @api public
*/
Manager.prototype.reconnectionDelayMax = function(v){
if (!arguments.length) return this._reconnectionDelayMax;
this._reconnectionDelayMax = v;
this.backoff && this.backoff.setMax(v);
return this;
};
/**
* Sets the connection timeout. `false` to disable
*
* @return {Manager} self or value
* @api public
*/
Manager.prototype.timeout = function(v){
if (!arguments.length) return this._timeout;
this._timeout = v;
return this;
};
/**
* Starts trying to reconnect if reconnection is enabled and we have not
* started reconnecting yet
*
* @api private
*/
Manager.prototype.maybeReconnectOnOpen = function() {
// Only try to reconnect if it's the first time we're connecting
if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) {
// keeps reconnection from firing twice for the same reconnection loop
this.reconnect();
}
};
/**
* Sets the current transport `socket`.
*
* @param {Function} optional, callback
* @return {Manager} self
* @api public
*/
Manager.prototype.open =
Manager.prototype.connect = function(fn){
debug('readyState %s', this.readyState);
if (~this.readyState.indexOf('open')) return this;
debug('opening %s', this.uri);
this.engine = eio(this.uri, this.opts);
var socket = this.engine;
var self = this;
this.readyState = 'opening';
this.skipReconnect = false;
// emit `open`
var openSub = on(socket, 'open', function() {
self.onopen();
fn && fn();
});
// emit `connect_error`
var errorSub = on(socket, 'error', function(data){
debug('connect_error');
self.cleanup();
self.readyState = 'closed';
self.emitAll('connect_error', data);
if (fn) {
var err = new Error('Connection error');
err.data = data;
fn(err);
} else {
// Only do this if there is no fn to handle the error
self.maybeReconnectOnOpen();
}
});
// emit `connect_timeout`
if (false !== this._timeout) {
var timeout = this._timeout;
debug('connect attempt will timeout after %d', timeout);
// set timer
var timer = setTimeout(function(){
debug('connect attempt timed out after %d', timeout);
openSub.destroy();
socket.close();
socket.emit('error', 'timeout');
self.emitAll('connect_timeout', timeout);
}, timeout);
this.subs.push({
destroy: function(){
clearTimeout(timer);
}
});
}
this.subs.push(openSub);
this.subs.push(errorSub);
return this;
};
/**
* Called upon transport open.
*
* @api private
*/
Manager.prototype.onopen = function(){
debug('open');
// clear old subs
this.cleanup();
// mark as open
this.readyState = 'open';
this.emit('open');
// add new subs
var socket = this.engine;
this.subs.push(on(socket, 'data', bind(this, 'ondata')));
this.subs.push(on(socket, 'ping', bind(this, 'onping')));
this.subs.push(on(socket, 'pong', bind(this, 'onpong')));
this.subs.push(on(socket, 'error', bind(this, 'onerror')));
this.subs.push(on(socket, 'close', bind(this, 'onclose')));
this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));
};
/**
* Called upon a ping.
*
* @api private
*/
Manager.prototype.onping = function(){
this.lastPing = new Date;
this.emitAll('ping');
};
/**
* Called upon a packet.
*
* @api private
*/
Manager.prototype.onpong = function(){
this.emitAll('pong', new Date - this.lastPing);
};
/**
* Called with data.
*
* @api private
*/
Manager.prototype.ondata = function(data){
this.decoder.add(data);
};
/**
* Called when parser fully decodes a packet.
*
* @api private
*/
Manager.prototype.ondecoded = function(packet) {
this.emit('packet', packet);
};
/**
* Called upon socket error.
*
* @api private
*/
Manager.prototype.onerror = function(err){
debug('error', err);
this.emitAll('error', err);
};
/**
* Creates a new socket for the given `nsp`.
*
* @return {Socket}
* @api public
*/
Manager.prototype.socket = function(nsp){
var socket = this.nsps[nsp];
if (!socket) {
socket = new Socket(this, nsp);
this.nsps[nsp] = socket;
var self = this;
socket.on('connecting', onConnecting);
socket.on('connect', function(){
socket.id = self.engine.id;
});
if (this.autoConnect) {
// manually call here since connecting evnet is fired before listening
onConnecting();
}
}
function onConnecting() {
if (!~indexOf(self.connecting, socket)) {
self.connecting.push(socket);
}
}
return socket;
};
/**
* Called upon a socket close.
*
* @param {Socket} socket
*/
Manager.prototype.destroy = function(socket){
var index = indexOf(this.connecting, socket);
if (~index) this.connecting.splice(index, 1);
if (this.connecting.length) return;
this.close();
};
/**
* Writes a packet.
*
* @param {Object} packet
* @api private
*/
Manager.prototype.packet = function(packet){
debug('writing packet %j', packet);
var self = this;
if (!self.encoding) {
// encode, then write to engine with result
self.encoding = true;
this.encoder.encode(packet, function(encodedPackets) {
for (var i = 0; i < encodedPackets.length; i++) {
self.engine.write(encodedPackets[i], packet.options);
}
self.encoding = false;
self.processPacketQueue();
});
} else { // add packet to the queue
self.packetBuffer.push(packet);
}
};
/**
* If packet buffer is non-empty, begins encoding the
* next packet in line.
*
* @api private
*/
Manager.prototype.processPacketQueue = function() {
if (this.packetBuffer.length > 0 && !this.encoding) {
var pack = this.packetBuffer.shift();
this.packet(pack);
}
};
/**
* Clean up transport subscriptions and packet buffer.
*
* @api private
*/
Manager.prototype.cleanup = function(){
debug('cleanup');
var sub;
while (sub = this.subs.shift()) sub.destroy();
this.packetBuffer = [];
this.encoding = false;
this.lastPing = null;
this.decoder.destroy();
};
/**
* Close the current socket.
*
* @api private
*/
Manager.prototype.close =
Manager.prototype.disconnect = function(){
debug('disconnect');
this.skipReconnect = true;
this.reconnecting = false;
if ('opening' == this.readyState) {
// `onclose` will not fire because
// an open event never happened
this.cleanup();
}
this.backoff.reset();
this.readyState = 'closed';
if (this.engine) this.engine.close();
};
/**
* Called upon engine close.
*
* @api private
*/
Manager.prototype.onclose = function(reason){
debug('onclose');
this.cleanup();
this.backoff.reset();
this.readyState = 'closed';
this.emit('close', reason);
if (this._reconnection && !this.skipReconnect) {
this.reconnect();
}
};
/**
* Attempt a reconnection.
*
* @api private
*/
Manager.prototype.reconnect = function(){
if (this.reconnecting || this.skipReconnect) return this;
var self = this;
if (this.backoff.attempts >= this._reconnectionAttempts) {
debug('reconnect failed');
this.backoff.reset();
this.emitAll('reconnect_failed');
this.reconnecting = false;
} else {
var delay = this.backoff.duration();
debug('will wait %dms before reconnect attempt', delay);
this.reconnecting = true;
var timer = setTimeout(function(){
if (self.skipReconnect) return;
debug('attempting reconnect');
self.emitAll('reconnect_attempt', self.backoff.attempts);
self.emitAll('reconnecting', self.backoff.attempts);
// check again for the case socket closed in above events
if (self.skipReconnect) return;
self.open(function(err){
if (err) {
debug('reconnect attempt error');
self.reconnecting = false;
self.reconnect();
self.emitAll('reconnect_error', err.data);
} else {
debug('reconnect success');
self.onreconnect();
}
});
}, delay);
this.subs.push({
destroy: function(){
clearTimeout(timer);
}
});
}
};
/**
* Called upon successful reconnect.
*
* @api private
*/
Manager.prototype.onreconnect = function(){
var attempt = this.backoff.attempts;
this.reconnecting = false;
this.backoff.reset();
this.updateSocketIds();
this.emitAll('reconnect', attempt);
};
},{"./on":41,"./socket":42,"backo2":4,"component-bind":7,"component-emitter":44,"debug":10,"engine.io-client":12,"indexof":30,"socket.io-parser":46}],41:[function(require,module,exports){
/**
* Module exports.
*/
module.exports = on;
/**
* Helper for subscriptions.
*
* @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`
* @param {String} event name
* @param {Function} callback
* @api public
*/
function on(obj, ev, fn) {
obj.on(ev, fn);
return {
destroy: function(){
obj.removeListener(ev, fn);
}
};
}
},{}],42:[function(require,module,exports){
/**
* Module dependencies.
*/
var parser = require('socket.io-parser');
var Emitter = require('component-emitter');
var toArray = require('to-array');
var on = require('./on');
var bind = require('component-bind');
var debug = require('debug')('socket.io-client:socket');
var hasBin = require('has-binary');
/**
* Module exports.
*/
module.exports = exports = Socket;
/**
* Internal events (blacklisted).
* These events can't be emitted by the user.
*
* @api private
*/
var events = {
connect: 1,
connect_error: 1,
connect_timeout: 1,
connecting: 1,
disconnect: 1,
error: 1,
reconnect: 1,
reconnect_attempt: 1,
reconnect_failed: 1,
reconnect_error: 1,
reconnecting: 1,
ping: 1,
pong: 1
};
/**
* Shortcut to `Emitter#emit`.
*/
var emit = Emitter.prototype.emit;
/**
* `Socket` constructor.
*
* @api public
*/
function Socket(io, nsp){
this.io = io;
this.nsp = nsp;
this.json = this; // compat
this.ids = 0;
this.acks = {};
this.receiveBuffer = [];
this.sendBuffer = [];
this.connected = false;
this.disconnected = true;
if (this.io.autoConnect) this.open();
}
/**
* Mix in `Emitter`.
*/
Emitter(Socket.prototype);
/**
* Subscribe to open, close and packet events
*
* @api private
*/
Socket.prototype.subEvents = function() {
if (this.subs) return;
var io = this.io;
this.subs = [
on(io, 'open', bind(this, 'onopen')),
on(io, 'packet', bind(this, 'onpacket')),
on(io, 'close', bind(this, 'onclose'))
];
};
/**
* "Opens" the socket.
*
* @api public
*/
Socket.prototype.open =
Socket.prototype.connect = function(){
if (this.connected) return this;
this.subEvents();
this.io.open(); // ensure open
if ('open' == this.io.readyState) this.onopen();
this.emit('connecting');
return this;
};
/**
* Sends a `message` event.
*
* @return {Socket} self
* @api public
*/
Socket.prototype.send = function(){
var args = toArray(arguments);
args.unshift('message');
this.emit.apply(this, args);
return this;
};
/**
* Override `emit`.
* If the event is in `events`, it's emitted normally.
*
* @param {String} event name
* @return {Socket} self
* @api public
*/
Socket.prototype.emit = function(ev){
if (events.hasOwnProperty(ev)) {
emit.apply(this, arguments);
return this;
}
var args = toArray(arguments);
var parserType = parser.EVENT; // default
if (hasBin(args)) { parserType = parser.BINARY_EVENT; } // binary
var packet = { type: parserType, data: args };
packet.options = {};
packet.options.compress = !this.flags || false !== this.flags.compress;
// event ack callback
if ('function' == typeof args[args.length - 1]) {
debug('emitting packet with ack id %d', this.ids);
this.acks[this.ids] = args.pop();
packet.id = this.ids++;
}
if (this.connected) {
this.packet(packet);
} else {
this.sendBuffer.push(packet);
}
delete this.flags;
return this;
};
/**
* Sends a packet.
*
* @param {Object} packet
* @api private
*/
Socket.prototype.packet = function(packet){
packet.nsp = this.nsp;
this.io.packet(packet);
};
/**
* Called upon engine `open`.
*
* @api private
*/
Socket.prototype.onopen = function(){
debug('transport is open - connecting');
// write connect packet if necessary
if ('/' != this.nsp) {
this.packet({ type: parser.CONNECT });
}
};
/**
* Called upon engine `close`.
*
* @param {String} reason
* @api private
*/
Socket.prototype.onclose = function(reason){
debug('close (%s)', reason);
this.connected = false;
this.disconnected = true;
delete this.id;
this.emit('disconnect', reason);
};
/**
* Called with socket packet.
*
* @param {Object} packet
* @api private
*/
Socket.prototype.onpacket = function(packet){
if (packet.nsp != this.nsp) return;
switch (packet.type) {
case parser.CONNECT:
this.onconnect();
break;
case parser.EVENT:
this.onevent(packet);
break;
case parser.BINARY_EVENT:
this.onevent(packet);
break;
case parser.ACK:
this.onack(packet);
break;
case parser.BINARY_ACK:
this.onack(packet);
break;
case parser.DISCONNECT:
this.ondisconnect();
break;
case parser.ERROR:
this.emit('error', packet.data);
break;
}
};
/**
* Called upon a server event.
*
* @param {Object} packet
* @api private
*/
Socket.prototype.onevent = function(packet){
var args = packet.data || [];
debug('emitting event %j', args);
if (null != packet.id) {
debug('attaching ack callback to event');
args.push(this.ack(packet.id));
}
if (this.connected) {
emit.apply(this, args);
} else {
this.receiveBuffer.push(args);
}
};
/**
* Produces an ack callback to emit with an event.
*
* @api private
*/
Socket.prototype.ack = function(id){
var self = this;
var sent = false;
return function(){
// prevent double callbacks
if (sent) return;
sent = true;
var args = toArray(arguments);
debug('sending ack %j', args);
var type = hasBin(args) ? parser.BINARY_ACK : parser.ACK;
self.packet({
type: type,
id: id,
data: args
});
};
};
/**
* Called upon a server acknowlegement.
*
* @param {Object} packet
* @api private
*/
Socket.prototype.onack = function(packet){
var ack = this.acks[packet.id];
if ('function' == typeof ack) {
debug('calling ack %s with %j', packet.id, packet.data);
ack.apply(this, packet.data);
delete this.acks[packet.id];
} else {
debug('bad ack %s', packet.id);
}
};
/**
* Called upon server connect.
*
* @api private
*/
Socket.prototype.onconnect = function(){
this.connected = true;
this.disconnected = false;
this.emit('connect');
this.emitBuffered();
};
/**
* Emit buffered events (received and emitted).
*
* @api private
*/
Socket.prototype.emitBuffered = function(){
var i;
for (i = 0; i < this.receiveBuffer.length; i++) {
emit.apply(this, this.receiveBuffer[i]);
}
this.receiveBuffer = [];
for (i = 0; i < this.sendBuffer.length; i++) {
this.packet(this.sendBuffer[i]);
}
this.sendBuffer = [];
};
/**
* Called upon server disconnect.
*
* @api private
*/
Socket.prototype.ondisconnect = function(){
debug('server disconnect (%s)', this.nsp);
this.destroy();
this.onclose('io server disconnect');
};
/**
* Called upon forced client/server side disconnections,
* this method ensures the manager stops tracking us and
* that reconnections don't get triggered for this.
*
* @api private.
*/
Socket.prototype.destroy = function(){
if (this.subs) {
// clean subscriptions to avoid reconnections
for (var i = 0; i < this.subs.length; i++) {
this.subs[i].destroy();
}
this.subs = null;
}
this.io.destroy(this);
};
/**
* Disconnects the socket manually.
*
* @return {Socket} self
* @api public
*/
Socket.prototype.close =
Socket.prototype.disconnect = function(){
if (this.connected) {
debug('performing disconnect (%s)', this.nsp);
this.packet({ type: parser.DISCONNECT });
}
// remove socket from pool
this.destroy();
if (this.connected) {
// fire events
this.onclose('io client disconnect');
}
return this;
};
/**
* Sets the compress flag.
*
* @param {Boolean} if `true`, compresses the sending data
* @return {Socket} self
* @api public
*/
Socket.prototype.compress = function(compress){
this.flags = this.flags || {};
this.flags.compress = compress;
return this;
};
},{"./on":41,"component-bind":7,"component-emitter":44,"debug":10,"has-binary":27,"socket.io-parser":46,"to-array":49}],43:[function(require,module,exports){
(function (global){
/**
* Module dependencies.
*/
var parseuri = require('parseuri');
var debug = require('debug')('socket.io-client:url');
/**
* Module exports.
*/
module.exports = url;
/**
* URL parser.
*
* @param {String} url
* @param {Object} An object meant to mimic window.location.
* Defaults to window.location.
* @api public
*/
function url(uri, loc){
var obj = uri;
// default to window.location
var loc = loc || global.location;
if (null == uri) uri = loc.protocol + '//' + loc.host;
// relative path support
if ('string' == typeof uri) {
if ('/' == uri.charAt(0)) {
if ('/' == uri.charAt(1)) {
uri = loc.protocol + uri;
} else {
uri = loc.host + uri;
}
}
if (!/^(https?|wss?):\/\//.test(uri)) {
debug('protocol-less url %s', uri);
if ('undefined' != typeof loc) {
uri = loc.protocol + '//' + uri;
} else {
uri = 'https://' + uri;
}
}
// parse
debug('parse %s', uri);
obj = parseuri(uri);
}
// make sure we treat `localhost:80` and `localhost` equally
if (!obj.port) {
if (/^(http|ws)$/.test(obj.protocol)) {
obj.port = '80';
}
else if (/^(http|ws)s$/.test(obj.protocol)) {
obj.port = '443';
}
}
obj.path = obj.path || '/';
var ipv6 = obj.host.indexOf(':') !== -1;
var host = ipv6 ? '[' + obj.host + ']' : obj.host;
// define unique id
obj.id = obj.protocol + '://' + host + ':' + obj.port;
// define href
obj.href = obj.protocol + '://' + host + (loc && loc.port == obj.port ? '' : (':' + obj.port));
return obj;
}
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"debug":10,"parseuri":37}],44:[function(require,module,exports){
/**
* Expose `Emitter`.
*/
module.exports = Emitter;
/**
* Initialize a new `Emitter`.
*
* @api public
*/
function Emitter(obj) {
if (obj) return mixin(obj);
};
/**
* Mixin the emitter properties.
*
* @param {Object} obj
* @return {Object}
* @api private
*/
function mixin(obj) {
for (var key in Emitter.prototype) {
obj[key] = Emitter.prototype[key];
}
return obj;
}
/**
* Listen on the given `event` with `fn`.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.on =
Emitter.prototype.addEventListener = function(event, fn){
this._callbacks = this._callbacks || {};
(this._callbacks['$' + event] = this._callbacks['$' + event] || [])
.push(fn);
return this;
};
/**
* Adds an `event` listener that will be invoked a single
* time then automatically removed.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.once = function(event, fn){
function on() {
this.off(event, on);
fn.apply(this, arguments);
}
on.fn = fn;
this.on(event, on);
return this;
};
/**
* Remove the given callback for `event` or all
* registered callbacks.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.off =
Emitter.prototype.removeListener =
Emitter.prototype.removeAllListeners =
Emitter.prototype.removeEventListener = function(event, fn){
this._callbacks = this._callbacks || {};
// all
if (0 == arguments.length) {
this._callbacks = {};
return this;
}
// specific event
var callbacks = this._callbacks['$' + event];
if (!callbacks) return this;
// remove all handlers
if (1 == arguments.length) {
delete this._callbacks['$' + event];
return this;
}
// remove specific handler
var cb;
for (var i = 0; i < callbacks.length; i++) {
cb = callbacks[i];
if (cb === fn || cb.fn === fn) {
callbacks.splice(i, 1);
break;
}
}
return this;
};
/**
* Emit `event` with the given args.
*
* @param {String} event
* @param {Mixed} ...
* @return {Emitter}
*/
Emitter.prototype.emit = function(event){
this._callbacks = this._callbacks || {};
var args = [].slice.call(arguments, 1)
, callbacks = this._callbacks['$' + event];
if (callbacks) {
callbacks = callbacks.slice(0);
for (var i = 0, len = callbacks.length; i < len; ++i) {
callbacks[i].apply(this, args);
}
}
return this;
};
/**
* Return array of callbacks for `event`.
*
* @param {String} event
* @return {Array}
* @api public
*/
Emitter.prototype.listeners = function(event){
this._callbacks = this._callbacks || {};
return this._callbacks['$' + event] || [];
};
/**
* Check if this emitter has `event` handlers.
*
* @param {String} event
* @return {Boolean}
* @api public
*/
Emitter.prototype.hasListeners = function(event){
return !! this.listeners(event).length;
};
},{}],45:[function(require,module,exports){
(function (global){
/*global Blob,File*/
/**
* Module requirements
*/
var isArray = require('isarray');
var isBuf = require('./is-buffer');
/**
* Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.
* Anything with blobs or files should be fed through removeBlobs before coming
* here.
*
* @param {Object} packet - socket.io event packet
* @return {Object} with deconstructed packet and list of buffers
* @api public
*/
exports.deconstructPacket = function(packet){
var buffers = [];
var packetData = packet.data;
function _deconstructPacket(data) {
if (!data) return data;
if (isBuf(data)) {
var placeholder = { _placeholder: true, num: buffers.length };
buffers.push(data);
return placeholder;
} else if (isArray(data)) {
var newData = new Array(data.length);
for (var i = 0; i < data.length; i++) {
newData[i] = _deconstructPacket(data[i]);
}
return newData;
} else if ('object' == typeof data && !(data instanceof Date)) {
var newData = {};
for (var key in data) {
newData[key] = _deconstructPacket(data[key]);
}
return newData;
}
return data;
}
var pack = packet;
pack.data = _deconstructPacket(packetData);
pack.attachments = buffers.length; // number of binary 'attachments'
return {packet: pack, buffers: buffers};
};
/**
* Reconstructs a binary packet from its placeholder packet and buffers
*
* @param {Object} packet - event packet with placeholders
* @param {Array} buffers - binary buffers to put in placeholder positions
* @return {Object} reconstructed packet
* @api public
*/
exports.reconstructPacket = function(packet, buffers) {
var curPlaceHolder = 0;
function _reconstructPacket(data) {
if (data && data._placeholder) {
var buf = buffers[data.num]; // appropriate buffer (should be natural order anyway)
return buf;
} else if (isArray(data)) {
for (var i = 0; i < data.length; i++) {
data[i] = _reconstructPacket(data[i]);
}
return data;
} else if (data && 'object' == typeof data) {
for (var key in data) {
data[key] = _reconstructPacket(data[key]);
}
return data;
}
return data;
}
packet.data = _reconstructPacket(packet.data);
packet.attachments = undefined; // no longer useful
return packet;
};
/**
* Asynchronously removes Blobs or Files from data via
* FileReader's readAsArrayBuffer method. Used before encoding
* data as msgpack. Calls callback with the blobless data.
*
* @param {Object} data
* @param {Function} callback
* @api private
*/
exports.removeBlobs = function(data, callback) {
function _removeBlobs(obj, curKey, containingObject) {
if (!obj) return obj;
// convert any blob
if ((global.Blob && obj instanceof Blob) ||
(global.File && obj instanceof File)) {
pendingBlobs++;
// async filereader
var fileReader = new FileReader();
fileReader.onload = function() { // this.result == arraybuffer
if (containingObject) {
containingObject[curKey] = this.result;
}
else {
bloblessData = this.result;
}
// if nothing pending its callback time
if(! --pendingBlobs) {
callback(bloblessData);
}
};
fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer
} else if (isArray(obj)) { // handle array
for (var i = 0; i < obj.length; i++) {
_removeBlobs(obj[i], i, obj);
}
} else if (obj && 'object' == typeof obj && !isBuf(obj)) { // and object
for (var key in obj) {
_removeBlobs(obj[key], key, obj);
}
}
}
var pendingBlobs = 0;
var bloblessData = data;
_removeBlobs(bloblessData);
if (!pendingBlobs) {
callback(bloblessData);
}
};
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./is-buffer":47,"isarray":32}],46:[function(require,module,exports){
/**
* Module dependencies.
*/
var debug = require('debug')('socket.io-parser');
var json = require('json3');
var isArray = require('isarray');
var Emitter = require('component-emitter');
var binary = require('./binary');
var isBuf = require('./is-buffer');
/**
* Protocol version.
*
* @api public
*/
exports.protocol = 4;
/**
* Packet types.
*
* @api public
*/
exports.types = [
'CONNECT',
'DISCONNECT',
'EVENT',
'ACK',
'ERROR',
'BINARY_EVENT',
'BINARY_ACK'
];
/**
* Packet type `connect`.
*
* @api public
*/
exports.CONNECT = 0;
/**
* Packet type `disconnect`.
*
* @api public
*/
exports.DISCONNECT = 1;
/**
* Packet type `event`.
*
* @api public
*/
exports.EVENT = 2;
/**
* Packet type `ack`.
*
* @api public
*/
exports.ACK = 3;
/**
* Packet type `error`.
*
* @api public
*/
exports.ERROR = 4;
/**
* Packet type 'binary event'
*
* @api public
*/
exports.BINARY_EVENT = 5;
/**
* Packet type `binary ack`. For acks with binary arguments.
*
* @api public
*/
exports.BINARY_ACK = 6;
/**
* Encoder constructor.
*
* @api public
*/
exports.Encoder = Encoder;
/**
* Decoder constructor.
*
* @api public
*/
exports.Decoder = Decoder;
/**
* A socket.io Encoder instance
*
* @api public
*/
function Encoder() {}
/**
* Encode a packet as a single string if non-binary, or as a
* buffer sequence, depending on packet type.
*
* @param {Object} obj - packet object
* @param {Function} callback - function to handle encodings (likely engine.write)
* @return Calls callback with Array of encodings
* @api public
*/
Encoder.prototype.encode = function(obj, callback){
debug('encoding packet %j', obj);
if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) {
encodeAsBinary(obj, callback);
}
else {
var encoding = encodeAsString(obj);
callback([encoding]);
}
};
/**
* Encode packet as string.
*
* @param {Object} packet
* @return {String} encoded
* @api private
*/
function encodeAsString(obj) {
var str = '';
var nsp = false;
// first is type
str += obj.type;
// attachments if we have them
if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) {
str += obj.attachments;
str += '-';
}
// if we have a namespace other than `/`
// we append it followed by a comma `,`
if (obj.nsp && '/' != obj.nsp) {
nsp = true;
str += obj.nsp;
}
// immediately followed by the id
if (null != obj.id) {
if (nsp) {
str += ',';
nsp = false;
}
str += obj.id;
}
// json data
if (null != obj.data) {
if (nsp) str += ',';
str += json.stringify(obj.data);
}
debug('encoded %j as %s', obj, str);
return str;
}
/**
* Encode packet as 'buffer sequence' by removing blobs, and
* deconstructing packet into object with placeholders and
* a list of buffers.
*
* @param {Object} packet
* @return {Buffer} encoded
* @api private
*/
function encodeAsBinary(obj, callback) {
function writeEncoding(bloblessData) {
var deconstruction = binary.deconstructPacket(bloblessData);
var pack = encodeAsString(deconstruction.packet);
var buffers = deconstruction.buffers;
buffers.unshift(pack); // add packet info to beginning of data list
callback(buffers); // write all the buffers
}
binary.removeBlobs(obj, writeEncoding);
}
/**
* A socket.io Decoder instance
*
* @return {Object} decoder
* @api public
*/
function Decoder() {
this.reconstructor = null;
}
/**
* Mix in `Emitter` with Decoder.
*/
Emitter(Decoder.prototype);
/**
* Decodes an ecoded packet string into packet JSON.
*
* @param {String} obj - encoded packet
* @return {Object} packet
* @api public
*/
Decoder.prototype.add = function(obj) {
var packet;
if ('string' == typeof obj) {
packet = decodeString(obj);
if (exports.BINARY_EVENT == packet.type || exports.BINARY_ACK == packet.type) { // binary packet's json
this.reconstructor = new BinaryReconstructor(packet);
// no attachments, labeled binary but no binary data to follow
if (this.reconstructor.reconPack.attachments === 0) {
this.emit('decoded', packet);
}
} else { // non-binary full packet
this.emit('decoded', packet);
}
}
else if (isBuf(obj) || obj.base64) { // raw binary data
if (!this.reconstructor) {
throw new Error('got binary data when not reconstructing a packet');
} else {
packet = this.reconstructor.takeBinaryData(obj);
if (packet) { // received final buffer
this.reconstructor = null;
this.emit('decoded', packet);
}
}
}
else {
throw new Error('Unknown type: ' + obj);
}
};
/**
* Decode a packet String (JSON data)
*
* @param {String} str
* @return {Object} packet
* @api private
*/
function decodeString(str) {
var p = {};
var i = 0;
// look up type
p.type = Number(str.charAt(0));
if (null == exports.types[p.type]) return error();
// look up attachments if type binary
if (exports.BINARY_EVENT == p.type || exports.BINARY_ACK == p.type) {
var buf = '';
while (str.charAt(++i) != '-') {
buf += str.charAt(i);
if (i == str.length) break;
}
if (buf != Number(buf) || str.charAt(i) != '-') {
throw new Error('Illegal attachments');
}
p.attachments = Number(buf);
}
// look up namespace (if any)
if ('/' == str.charAt(i + 1)) {
p.nsp = '';
while (++i) {
var c = str.charAt(i);
if (',' == c) break;
p.nsp += c;
if (i == str.length) break;
}
} else {
p.nsp = '/';
}
// look up id
var next = str.charAt(i + 1);
if ('' !== next && Number(next) == next) {
p.id = '';
while (++i) {
var c = str.charAt(i);
if (null == c || Number(c) != c) {
--i;
break;
}
p.id += str.charAt(i);
if (i == str.length) break;
}
p.id = Number(p.id);
}
// look up json data
if (str.charAt(++i)) {
try {
p.data = json.parse(str.substr(i));
} catch(e){
return error();
}
}
debug('decoded %s as %j', str, p);
return p;
}
/**
* Deallocates a parser's resources
*
* @api public
*/
Decoder.prototype.destroy = function() {
if (this.reconstructor) {
this.reconstructor.finishedReconstruction();
}
};
/**
* A manager of a binary event's 'buffer sequence'. Should
* be constructed whenever a packet of type BINARY_EVENT is
* decoded.
*
* @param {Object} packet
* @return {BinaryReconstructor} initialized reconstructor
* @api private
*/
function BinaryReconstructor(packet) {
this.reconPack = packet;
this.buffers = [];
}
/**
* Method to be called when binary data received from connection
* after a BINARY_EVENT packet.
*
* @param {Buffer | ArrayBuffer} binData - the raw binary data received
* @return {null | Object} returns null if more binary data is expected or
* a reconstructed packet object if all buffers have been received.
* @api private
*/
BinaryReconstructor.prototype.takeBinaryData = function(binData) {
this.buffers.push(binData);
if (this.buffers.length == this.reconPack.attachments) { // done with buffer list
var packet = binary.reconstructPacket(this.reconPack, this.buffers);
this.finishedReconstruction();
return packet;
}
return null;
};
/**
* Cleans up binary packet reconstruction variables.
*
* @api private
*/
BinaryReconstructor.prototype.finishedReconstruction = function() {
this.reconPack = null;
this.buffers = [];
};
function error(data){
return {
type: exports.ERROR,
data: 'parser error'
};
}
},{"./binary":45,"./is-buffer":47,"component-emitter":8,"debug":10,"isarray":32,"json3":48}],47:[function(require,module,exports){
(function (global){
module.exports = isBuf;
/**
* Returns true if obj is a buffer or an arraybuffer.
*
* @api private
*/
function isBuf(obj) {
return (global.Buffer && global.Buffer.isBuffer(obj)) ||
(global.ArrayBuffer && obj instanceof ArrayBuffer);
}
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],48:[function(require,module,exports){
(function (global){
/*! JSON v3.3.2 | http://bestiejs.github.io/json3 | Copyright 2012-2014, Kit Cambridge | http://kit.mit-license.org */
;(function () {
// Detect the `define` function exposed by asynchronous module loaders. The
// strict `define` check is necessary for compatibility with `r.js`.
var isLoader = typeof define === "function" && define.amd;
// A set of types used to distinguish objects from primitives.
var objectTypes = {
"function": true,
"object": true
};
// Detect the `exports` object exposed by CommonJS implementations.
var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
// Use the `global` object exposed by Node (including Browserify via
// `insert-module-globals`), Narwhal, and Ringo as the default context,
// and the `window` object in browsers. Rhino exports a `global` function
// instead.
var root = objectTypes[typeof window] && window || this,
freeGlobal = freeExports && objectTypes[typeof module] && module && !module.nodeType && typeof global == "object" && global;
if (freeGlobal && (freeGlobal["global"] === freeGlobal || freeGlobal["window"] === freeGlobal || freeGlobal["self"] === freeGlobal)) {
root = freeGlobal;
}
// Public: Initializes JSON 3 using the given `context` object, attaching the
// `stringify` and `parse` functions to the specified `exports` object.
function runInContext(context, exports) {
context || (context = root["Object"]());
exports || (exports = root["Object"]());
// Native constructor aliases.
var Number = context["Number"] || root["Number"],
String = context["String"] || root["String"],
Object = context["Object"] || root["Object"],
Date = context["Date"] || root["Date"],
SyntaxError = context["SyntaxError"] || root["SyntaxError"],
TypeError = context["TypeError"] || root["TypeError"],
Math = context["Math"] || root["Math"],
nativeJSON = context["JSON"] || root["JSON"];
// Delegate to the native `stringify` and `parse` implementations.
if (typeof nativeJSON == "object" && nativeJSON) {
exports.stringify = nativeJSON.stringify;
exports.parse = nativeJSON.parse;
}
// Convenience aliases.
var objectProto = Object.prototype,
getClass = objectProto.toString,
isProperty, forEach, undef;
// Test the `Date#getUTC*` methods. Based on work by @Yaffle.
var isExtended = new Date(-3509827334573292);
try {
// The `getUTCFullYear`, `Month`, and `Date` methods return nonsensical
// results for certain dates in Opera >= 10.53.
isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 &&
// Safari < 2.0.2 stores the internal millisecond time value correctly,
// but clips the values returned by the date methods to the range of
// signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]).
isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708;
} catch (exception) {}
// Internal: Determines whether the native `JSON.stringify` and `parse`
// implementations are spec-compliant. Based on work by Ken Snyder.
function has(name) {
if (has[name] !== undef) {
// Return cached feature test result.
return has[name];
}
var isSupported;
if (name == "bug-string-char-index") {
// IE <= 7 doesn't support accessing string characters using square
// bracket notation. IE 8 only supports this for primitives.
isSupported = "a"[0] != "a";
} else if (name == "json") {
// Indicates whether both `JSON.stringify` and `JSON.parse` are
// supported.
isSupported = has("json-stringify") && has("json-parse");
} else {
var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';
// Test `JSON.stringify`.
if (name == "json-stringify") {
var stringify = exports.stringify, stringifySupported = typeof stringify == "function" && isExtended;
if (stringifySupported) {
// A test function object with a custom `toJSON` method.
(value = function () {
return 1;
}).toJSON = value;
try {
stringifySupported =
// Firefox 3.1b1 and b2 serialize string, number, and boolean
// primitives as object literals.
stringify(0) === "0" &&
// FF 3.1b1, b2, and JSON 2 serialize wrapped primitives as object
// literals.
stringify(new Number()) === "0" &&
stringify(new String()) == '""' &&
// FF 3.1b1, 2 throw an error if the value is `null`, `undefined`, or
// does not define a canonical JSON representation (this applies to
// objects with `toJSON` properties as well, *unless* they are nested
// within an object or array).
stringify(getClass) === undef &&
// IE 8 serializes `undefined` as `"undefined"`. Safari <= 5.1.7 and
// FF 3.1b3 pass this test.
stringify(undef) === undef &&
// Safari <= 5.1.7 and FF 3.1b3 throw `Error`s and `TypeError`s,
// respectively, if the value is omitted entirely.
stringify() === undef &&
// FF 3.1b1, 2 throw an error if the given value is not a number,
// string, array, object, Boolean, or `null` literal. This applies to
// objects with custom `toJSON` methods as well, unless they are nested
// inside object or array literals. YUI 3.0.0b1 ignores custom `toJSON`
// methods entirely.
stringify(value) === "1" &&
stringify([value]) == "[1]" &&
// Prototype <= 1.6.1 serializes `[undefined]` as `"[]"` instead of
// `"[null]"`.
stringify([undef]) == "[null]" &&
// YUI 3.0.0b1 fails to serialize `null` literals.
stringify(null) == "null" &&
// FF 3.1b1, 2 halts serialization if an array contains a function:
// `[1, true, getClass, 1]` serializes as "[1,true,],". FF 3.1b3
// elides non-JSON values from objects and arrays, unless they
// define custom `toJSON` methods.
stringify([undef, getClass, null]) == "[null,null,null]" &&
// Simple serialization test. FF 3.1b1 uses Unicode escape sequences
// where character escape codes are expected (e.g., `\b` => `\u0008`).
stringify({ "a": [value, true, false, null, "\x00\b\n\f\r\t"] }) == serialized &&
// FF 3.1b1 and b2 ignore the `filter` and `width` arguments.
stringify(null, value) === "1" &&
stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" &&
// JSON 2, Prototype <= 1.7, and older WebKit builds incorrectly
// serialize extended years.
stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' &&
// The milliseconds are optional in ES 5, but required in 5.1.
stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' &&
// Firefox <= 11.0 incorrectly serializes years prior to 0 as negative
// four-digit years instead of six-digit years. Credits: @Yaffle.
stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' &&
// Safari <= 5.1.5 and Opera >= 10.53 incorrectly serialize millisecond
// values less than 1000. Credits: @Yaffle.
stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"';
} catch (exception) {
stringifySupported = false;
}
}
isSupported = stringifySupported;
}
// Test `JSON.parse`.
if (name == "json-parse") {
var parse = exports.parse;
if (typeof parse == "function") {
try {
// FF 3.1b1, b2 will throw an exception if a bare literal is provided.
// Conforming implementations should also coerce the initial argument to
// a string prior to parsing.
if (parse("0") === 0 && !parse(false)) {
// Simple parsing test.
value = parse(serialized);
var parseSupported = value["a"].length == 5 && value["a"][0] === 1;
if (parseSupported) {
try {
// Safari <= 5.1.2 and FF 3.1b1 allow unescaped tabs in strings.
parseSupported = !parse('"\t"');
} catch (exception) {}
if (parseSupported) {
try {
// FF 4.0 and 4.0.1 allow leading `+` signs and leading
// decimal points. FF 4.0, 4.0.1, and IE 9-10 also allow
// certain octal literals.
parseSupported = parse("01") !== 1;
} catch (exception) {}
}
if (parseSupported) {
try {
// FF 4.0, 4.0.1, and Rhino 1.7R3-R4 allow trailing decimal
// points. These environments, along with FF 3.1b1 and 2,
// also allow trailing commas in JSON objects and arrays.
parseSupported = parse("1.") !== 1;
} catch (exception) {}
}
}
}
} catch (exception) {
parseSupported = false;
}
}
isSupported = parseSupported;
}
}
return has[name] = !!isSupported;
}
if (!has("json")) {
// Common `[[Class]]` name aliases.
var functionClass = "[object Function]",
dateClass = "[object Date]",
numberClass = "[object Number]",
stringClass = "[object String]",
arrayClass = "[object Array]",
booleanClass = "[object Boolean]";
// Detect incomplete support for accessing string characters by index.
var charIndexBuggy = has("bug-string-char-index");
// Define additional utility methods if the `Date` methods are buggy.
if (!isExtended) {
var floor = Math.floor;
// A mapping between the months of the year and the number of days between
// January 1st and the first of the respective month.
var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
// Internal: Calculates the number of days between the Unix epoch and the
// first day of the given month.
var getDay = function (year, month) {
return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400);
};
}
// Internal: Determines if a property is a direct property of the given
// object. Delegates to the native `Object#hasOwnProperty` method.
if (!(isProperty = objectProto.hasOwnProperty)) {
isProperty = function (property) {
var members = {}, constructor;
if ((members.__proto__ = null, members.__proto__ = {
// The *proto* property cannot be set multiple times in recent
// versions of Firefox and SeaMonkey.
"toString": 1
}, members).toString != getClass) {
// Safari <= 2.0.3 doesn't implement `Object#hasOwnProperty`, but
// supports the mutable *proto* property.
isProperty = function (property) {
// Capture and break the object's prototype chain (see section 8.6.2
// of the ES 5.1 spec). The parenthesized expression prevents an
// unsafe transformation by the Closure Compiler.
var original = this.__proto__, result = property in (this.__proto__ = null, this);
// Restore the original prototype chain.
this.__proto__ = original;
return result;
};
} else {
// Capture a reference to the top-level `Object` constructor.
constructor = members.constructor;
// Use the `constructor` property to simulate `Object#hasOwnProperty` in
// other environments.
isProperty = function (property) {
var parent = (this.constructor || constructor).prototype;
return property in this && !(property in parent && this[property] === parent[property]);
};
}
members = null;
return isProperty.call(this, property);
};
}
// Internal: Normalizes the `for...in` iteration algorithm across
// environments. Each enumerated key is yielded to a `callback` function.
forEach = function (object, callback) {
var size = 0, Properties, members, property;
// Tests for bugs in the current environment's `for...in` algorithm. The
// `valueOf` property inherits the non-enumerable flag from
// `Object.prototype` in older versions of IE, Netscape, and Mozilla.
(Properties = function () {
this.valueOf = 0;
}).prototype.valueOf = 0;
// Iterate over a new instance of the `Properties` class.
members = new Properties();
for (property in members) {
// Ignore all properties inherited from `Object.prototype`.
if (isProperty.call(members, property)) {
size++;
}
}
Properties = members = null;
// Normalize the iteration algorithm.
if (!size) {
// A list of non-enumerable properties inherited from `Object.prototype`.
members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"];
// IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore shadowed non-enumerable
// properties.
forEach = function (object, callback) {
var isFunction = getClass.call(object) == functionClass, property, length;
var hasProperty = !isFunction && typeof object.constructor != "function" && objectTypes[typeof object.hasOwnProperty] && object.hasOwnProperty || isProperty;
for (property in object) {
// Gecko <= 1.0 enumerates the `prototype` property of functions under
// certain conditions; IE does not.
if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) {
callback(property);
}
}
// Manually invoke the callback for each non-enumerable property.
for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property));
};
} else if (size == 2) {
// Safari <= 2.0.4 enumerates shadowed properties twice.
forEach = function (object, callback) {
// Create a set of iterated properties.
var members = {}, isFunction = getClass.call(object) == functionClass, property;
for (property in object) {
// Store each property name to prevent double enumeration. The
// `prototype` property of functions is not enumerated due to cross-
// environment inconsistencies.
if (!(isFunction && property == "prototype") && !isProperty.call(members, property) && (members[property] = 1) && isProperty.call(object, property)) {
callback(property);
}
}
};
} else {
// No bugs detected; use the standard `for...in` algorithm.
forEach = function (object, callback) {
var isFunction = getClass.call(object) == functionClass, property, isConstructor;
for (property in object) {
if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) {
callback(property);
}
}
// Manually invoke the callback for the `constructor` property due to
// cross-environment inconsistencies.
if (isConstructor || isProperty.call(object, (property = "constructor"))) {
callback(property);
}
};
}
return forEach(object, callback);
};
// Public: Serializes a JavaScript `value` as a JSON string. The optional
// `filter` argument may specify either a function that alters how object and
// array members are serialized, or an array of strings and numbers that
// indicates which properties should be serialized. The optional `width`
// argument may be either a string or number that specifies the indentation
// level of the output.
if (!has("json-stringify")) {
// Internal: A map of control characters and their escaped equivalents.
var Escapes = {
92: "\\\\",
34: '\\"',
8: "\\b",
12: "\\f",
10: "\\n",
13: "\\r",
9: "\\t"
};
// Internal: Converts `value` into a zero-padded string such that its
// length is at least equal to `width`. The `width` must be <= 6.
var leadingZeroes = "000000";
var toPaddedString = function (width, value) {
// The `|| 0` expression is necessary to work around a bug in
// Opera <= 7.54u2 where `0 == -0`, but `String(-0) !== "0"`.
return (leadingZeroes + (value || 0)).slice(-width);
};
// Internal: Double-quotes a string `value`, replacing all ASCII control
// characters (characters with code unit values between 0 and 31) with
// their escaped equivalents. This is an implementation of the
// `Quote(value)` operation defined in ES 5.1 section 15.12.3.
var unicodePrefix = "\\u00";
var quote = function (value) {
var result = '"', index = 0, length = value.length, useCharIndex = !charIndexBuggy || length > 10;
var symbols = useCharIndex && (charIndexBuggy ? value.split("") : value);
for (; index < length; index++) {
var charCode = value.charCodeAt(index);
// If the character is a control character, append its Unicode or
// shorthand escape sequence; otherwise, append the character as-is.
switch (charCode) {
case 8: case 9: case 10: case 12: case 13: case 34: case 92:
result += Escapes[charCode];
break;
default:
if (charCode < 32) {
result += unicodePrefix + toPaddedString(2, charCode.toString(16));
break;
}
result += useCharIndex ? symbols[index] : value.charAt(index);
}
}
return result + '"';
};
// Internal: Recursively serializes an object. Implements the
// `Str(key, holder)`, `JO(value)`, and `JA(value)` operations.
var serialize = function (property, object, callback, properties, whitespace, indentation, stack) {
var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result;
try {
// Necessary for host object support.
value = object[property];
} catch (exception) {}
if (typeof value == "object" && value) {
className = getClass.call(value);
if (className == dateClass && !isProperty.call(value, "toJSON")) {
if (value > -1 / 0 && value < 1 / 0) {
// Dates are serialized according to the `Date#toJSON` method
// specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15
// for the ISO 8601 date time string format.
if (getDay) {
// Manually compute the year, month, date, hours, minutes,
// seconds, and milliseconds if the `getUTC*` methods are
// buggy. Adapted from @Yaffle's `date-shim` project.
date = floor(value / 864e5);
for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++);
for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++);
date = 1 + date - getDay(year, month);
// The `time` value specifies the time within the day (see ES
// 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used
// to compute `A modulo B`, as the `%` operator does not
// correspond to the `modulo` operation for negative numbers.
time = (value % 864e5 + 864e5) % 864e5;
// The hours, minutes, seconds, and milliseconds are obtained by
// decomposing the time within the day. See section 15.9.1.10.
hours = floor(time / 36e5) % 24;
minutes = floor(time / 6e4) % 60;
seconds = floor(time / 1e3) % 60;
milliseconds = time % 1e3;
} else {
year = value.getUTCFullYear();
month = value.getUTCMonth();
date = value.getUTCDate();
hours = value.getUTCHours();
minutes = value.getUTCMinutes();
seconds = value.getUTCSeconds();
milliseconds = value.getUTCMilliseconds();
}
// Serialize extended years correctly.
value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) +
"-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
// Months, dates, hours, minutes, and seconds should have two
// digits; milliseconds should have three.
"T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
// Milliseconds are optional in ES 5.0, but required in 5.1.
"." + toPaddedString(3, milliseconds) + "Z";
} else {
value = null;
}
} else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) {
// Prototype <= 1.6.1 adds non-standard `toJSON` methods to the
// `Number`, `String`, `Date`, and `Array` prototypes. JSON 3
// ignores all `toJSON` methods on these objects unless they are
// defined directly on an instance.
value = value.toJSON(property);
}
}
if (callback) {
// If a replacement function was provided, call it to obtain the value
// for serialization.
value = callback.call(object, property, value);
}
if (value === null) {
return "null";
}
className = getClass.call(value);
if (className == booleanClass) {
// Booleans are represented literally.
return "" + value;
} else if (className == numberClass) {
// JSON numbers must be finite. `Infinity` and `NaN` are serialized as
// `"null"`.
return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
} else if (className == stringClass) {
// Strings are double-quoted and escaped.
return quote("" + value);
}
// Recursively serialize objects and arrays.
if (typeof value == "object") {
// Check for cyclic structures. This is a linear search; performance
// is inversely proportional to the number of unique nested objects.
for (length = stack.length; length--;) {
if (stack[length] === value) {
// Cyclic structures cannot be serialized by `JSON.stringify`.
throw TypeError();
}
}
// Add the object to the stack of traversed objects.
stack.push(value);
results = [];
// Save the current indentation level and indent one additional level.
prefix = indentation;
indentation += whitespace;
if (className == arrayClass) {
// Recursively serialize array elements.
for (index = 0, length = value.length; index < length; index++) {
element = serialize(index, value, callback, properties, whitespace, indentation, stack);
results.push(element === undef ? "null" : element);
}
result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]";
} else {
// Recursively serialize object members. Members are selected from
// either a user-specified list of property names, or the object
// itself.
forEach(properties || value, function (property) {
var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
if (element !== undef) {
// According to ES 5.1 section 15.12.3: "If `gap` {whitespace}
// is not the empty string, let `member` {quote(property) + ":"}
// be the concatenation of `member` and the `space` character."
// The "`space` character" refers to the literal space
// character, not the `space` {width} argument provided to
// `JSON.stringify`.
results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
}
});
result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}";
}
// Remove the object from the traversed object stack.
stack.pop();
return result;
}
};
// Public: `JSON.stringify`. See ES 5.1 section 15.12.3.
exports.stringify = function (source, filter, width) {
var whitespace, callback, properties, className;
if (objectTypes[typeof filter] && filter) {
if ((className = getClass.call(filter)) == functionClass) {
callback = filter;
} else if (className == arrayClass) {
// Convert the property names array into a makeshift set.
properties = {};
for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((className = getClass.call(value)), className == stringClass || className == numberClass) && (properties[value] = 1));
}
}
if (width) {
if ((className = getClass.call(width)) == numberClass) {
// Convert the `width` to an integer and create a string containing
// `width` number of space characters.
if ((width -= width % 1) > 0) {
for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " ");
}
} else if (className == stringClass) {
whitespace = width.length <= 10 ? width : width.slice(0, 10);
}
}
// Opera <= 7.54u2 discards the values associated with empty string keys
// (`""`) only if they are used directly within an object member list
// (e.g., `!("" in { "": 1})`).
return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
};
}
// Public: Parses a JSON source string.
if (!has("json-parse")) {
var fromCharCode = String.fromCharCode;
// Internal: A map of escaped control characters and their unescaped
// equivalents.
var Unescapes = {
92: "\\",
34: '"',
47: "/",
98: "\b",
116: "\t",
110: "\n",
102: "\f",
114: "\r"
};
// Internal: Stores the parser state.
var Index, Source;
// Internal: Resets the parser state and throws a `SyntaxError`.
var abort = function () {
Index = Source = null;
throw SyntaxError();
};
// Internal: Returns the next token, or `"$"` if the parser has reached
// the end of the source string. A token may be a string, number, `null`
// literal, or Boolean literal.
var lex = function () {
var source = Source, length = source.length, value, begin, position, isSigned, charCode;
while (Index < length) {
charCode = source.charCodeAt(Index);
switch (charCode) {
case 9: case 10: case 13: case 32:
// Skip whitespace tokens, including tabs, carriage returns, line
// feeds, and space characters.
Index++;
break;
case 123: case 125: case 91: case 93: case 58: case 44:
// Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at
// the current position.
value = charIndexBuggy ? source.charAt(Index) : source[Index];
Index++;
return value;
case 34:
// `"` delimits a JSON string; advance to the next character and
// begin parsing the string. String tokens are prefixed with the
// sentinel `@` character to distinguish them from punctuators and
// end-of-string tokens.
for (value = "@", Index++; Index < length;) {
charCode = source.charCodeAt(Index);
if (charCode < 32) {
// Unescaped ASCII control characters (those with a code unit
// less than the space character) are not permitted.
abort();
} else if (charCode == 92) {
// A reverse solidus (`\`) marks the beginning of an escaped
// control character (including `"`, `\`, and `/`) or Unicode
// escape sequence.
charCode = source.charCodeAt(++Index);
switch (charCode) {
case 92: case 34: case 47: case 98: case 116: case 110: case 102: case 114:
// Revive escaped control characters.
value += Unescapes[charCode];
Index++;
break;
case 117:
// `\u` marks the beginning of a Unicode escape sequence.
// Advance to the first character and validate the
// four-digit code point.
begin = ++Index;
for (position = Index + 4; Index < position; Index++) {
charCode = source.charCodeAt(Index);
// A valid sequence comprises four hexdigits (case-
// insensitive) that form a single hexadecimal value.
if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
// Invalid Unicode escape sequence.
abort();
}
}
// Revive the escaped character.
value += fromCharCode("0x" + source.slice(begin, Index));
break;
default:
// Invalid escape sequence.
abort();
}
} else {
if (charCode == 34) {
// An unescaped double-quote character marks the end of the
// string.
break;
}
charCode = source.charCodeAt(Index);
begin = Index;
// Optimize for the common case where a string is valid.
while (charCode >= 32 && charCode != 92 && charCode != 34) {
charCode = source.charCodeAt(++Index);
}
// Append the string as-is.
value += source.slice(begin, Index);
}
}
if (source.charCodeAt(Index) == 34) {
// Advance to the next character and return the revived string.
Index++;
return value;
}
// Unterminated string.
abort();
default:
// Parse numbers and literals.
begin = Index;
// Advance past the negative sign, if one is specified.
if (charCode == 45) {
isSigned = true;
charCode = source.charCodeAt(++Index);
}
// Parse an integer or floating-point value.
if (charCode >= 48 && charCode <= 57) {
// Leading zeroes are interpreted as octal literals.
if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) {
// Illegal octal literal.
abort();
}
isSigned = false;
// Parse the integer component.
for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++);
// Floats cannot contain a leading decimal point; however, this
// case is already accounted for by the parser.
if (source.charCodeAt(Index) == 46) {
position = ++Index;
// Parse the decimal component.
for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
if (position == Index) {
// Illegal trailing decimal.
abort();
}
Index = position;
}
// Parse exponents. The `e` denoting the exponent is
// case-insensitive.
charCode = source.charCodeAt(Index);
if (charCode == 101 || charCode == 69) {
charCode = source.charCodeAt(++Index);
// Skip past the sign following the exponent, if one is
// specified.
if (charCode == 43 || charCode == 45) {
Index++;
}
// Parse the exponential component.
for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
gitextract_ht4sh8zu/
├── .gitignore
├── LICENSE
├── README.md
├── examples/
│ ├── bundle.js
│ ├── explorer.js
│ └── index.html
├── graphs/
│ └── webrtc-explorer-logo.pxm
├── package.json
├── src/
│ ├── explorer/
│ │ ├── channel.js
│ │ ├── config.js
│ │ ├── connection-switch.js
│ │ ├── finger-table.js
│ │ ├── index.js
│ │ └── message-router.js
│ └── sig-server/
│ ├── bin.js
│ ├── config.js
│ ├── index.js
│ ├── resources/
│ │ ├── peer-table.js
│ │ └── peer.js
│ ├── routes-http/
│ │ ├── basic.js
│ │ └── graph.js
│ ├── routes-ws/
│ │ └── index.js
│ └── utils/
│ ├── finger-best-fit.js
│ └── ideal-finger.js
└── tests/
├── explorer/
│ ├── index.js
│ ├── scripts/
│ │ └── explorer-peer.js
│ └── test-explorer.js
└── sig-server/
├── index.js
├── test-finger-best-fit.js
├── test-handshake.js
├── test-http.js
├── test-join.js
├── test-lifecycle.js
└── test-update-finger.js
SYMBOL INDEX (284 symbols across 9 files)
FILE: examples/bundle.js
function s (line 1) | function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&re...
function after (line 25) | function after(count, callback, err_cb) {
function noop (line 50) | function noop() {}
function Backoff (line 103) | function Backoff(opts) {
function mapArrayBufferViews (line 283) | function mapArrayBufferViews(ary) {
function BlobBuilderConstructor (line 302) | function BlobBuilderConstructor(ary, options) {
function BlobConstructor (line 315) | function BlobConstructor(ary, options) {
function Emitter (line 370) | function Emitter(obj) {
function mixin (line 382) | function mixin(obj) {
function on (line 420) | function on() {
function useColors (line 570) | function useColors() {
function formatArgs (line 595) | function formatArgs() {
function log (line 637) | function log() {
function save (line 652) | function save(namespaces) {
function load (line 669) | function load() {
function localstorage (line 694) | function localstorage(){
function selectColor (line 750) | function selectColor() {
function debug (line 762) | function debug(namespace) {
function enable (line 836) | function enable(namespaces) {
function disable (line 859) | function disable() {
function enabled (line 871) | function enabled(name) {
function coerce (line 894) | function coerce(val) {
function noop (line 942) | function noop(){}
function Socket (line 952) | function Socket(uri, opts){
function clone (line 1106) | function clone (obj) {
function onTransportOpen (line 1199) | function onTransportOpen(){
function freezeTransport (line 1241) | function freezeTransport() {
function onerror (line 1254) | function onerror(err) {
function onTransportClose (line 1265) | function onTransportClose(){
function onclose (line 1270) | function onclose(){
function onupgrade (line 1275) | function onupgrade(to){
function cleanup (line 1283) | function cleanup(){
function close (line 1556) | function close() {
function cleanupAndClose (line 1562) | function cleanupAndClose() {
function waitForUpgrade (line 1568) | function waitForUpgrade() {
function Transport (line 1668) | function Transport (opts) {
function polling (line 1829) | function polling(opts){
function empty (line 1900) | function empty () { }
function JSONPPolling (line 1909) | function JSONPPolling (opts) {
function complete (line 2050) | function complete () {
function initIframe (line 2055) | function initIframe () {
function empty (line 2126) | function empty(){}
function XHR (line 2135) | function XHR(opts){
function Request (line 2243) | function Request(opts){
function unloadHandler (line 2510) | function unloadHandler() {
function Polling (line 2554) | function Polling(opts){
function pause (line 2598) | function pause(){
function close (line 2693) | function close(){
function WS (line 2808) | function WS(opts){
function done (line 2976) | function done(){
function encodeBase64Object (line 3222) | function encodeBase64Object(packet, callback) {
function encodeArrayBuffer (line 3232) | function encodeArrayBuffer(packet, supportsBinary, callback) {
function encodeBlobAsArrayBuffer (line 3249) | function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
function encodeBlob (line 3262) | function encodeBlob(packet, supportsBinary, callback) {
function setLengthHeader (line 3413) | function setLengthHeader(message) {
function encodeOne (line 3417) | function encodeOne(packet, doneCallback) {
function map (line 3432) | function map(ary, each, done) {
function encodeOne (line 3537) | function encodeOne(packet, doneCallback) {
function encodeOne (line 3595) | function encodeOne(packet, doneCallback) {
function hasBinary (line 3741) | function hasBinary(data) {
function createNode (line 3826) | function createNode() {
function createJs (line 3839) | function createJs(sync) {
function hasBinary (line 4004) | function hasBinary(data) {
function parse (line 4207) | function parse(str) {
function short (line 4260) | function short(ms) {
function long (line 4276) | function long(ms) {
function plural (line 4288) | function plural(ms, n, name) {
function once (line 4307) | function once (fn) {
function Peer (line 4450) | function Peer (opts) {
function addIceCandidate (line 4589) | function addIceCandidate (candidate) {
function setActiveCandidates (line 4839) | function setActiveCandidates (item) {
function noop (line 4980) | function noop () {}
function lookup (line 5019) | function lookup(uri, opts) {
function Manager (line 5113) | function Manager(uri, opts){
function onConnecting (line 5448) | function onConnecting() {
function on (line 5653) | function on(obj, ev, fn) {
function Socket (line 5717) | function Socket(io, nsp){
function url (line 6101) | function url(uri, loc){
function Emitter (line 6170) | function Emitter(obj) {
function mixin (line 6182) | function mixin(obj) {
function on (line 6217) | function on() {
function _deconstructPacket (line 6344) | function _deconstructPacket(data) {
function _reconstructPacket (line 6385) | function _reconstructPacket(data) {
function _removeBlobs (line 6419) | function _removeBlobs(obj, curKey, containingObject) {
function Encoder (line 6579) | function Encoder() {}
function encodeAsString (line 6611) | function encodeAsString(obj) {
function encodeAsBinary (line 6660) | function encodeAsBinary(obj, callback) {
function Decoder (line 6681) | function Decoder() {
function decodeString (line 6738) | function decodeString(str) {
function BinaryReconstructor (line 6823) | function BinaryReconstructor(packet) {
function error (line 6859) | function error(data){
function isBuf (line 6877) | function isBuf(obj) {
function runInContext (line 6913) | function runInContext(context, exports) {
function toArray (line 7792) | function toArray(list, index) {
function ucs2decode (line 7828) | function ucs2decode(string) {
function ucs2encode (line 7855) | function ucs2encode(array) {
function checkScalarValue (line 7872) | function checkScalarValue(codePoint) {
function createByte (line 7882) | function createByte(codePoint, shift) {
function encodeCodePoint (line 7886) | function encodeCodePoint(codePoint) {
function utf8encode (line 7908) | function utf8encode(string) {
function readContinuationByte (line 7923) | function readContinuationByte() {
function decodeSymbol (line 7939) | function decodeSymbol() {
function utf8decode (line 8005) | function utf8decode(byteString) {
function Id (line 8060) | function Id (_id) {
function wrappy (line 8112) | function wrappy (fn, cb) {
function encode (line 8157) | function encode(num) {
function decode (line 8175) | function decode(str) {
function yeast (line 8191) | function yeast() {
function createConn (line 8350) | function createConn (srcId, dstId, connId) {
function interval (line 8472) | function interval (a, b) {
function isIn (line 8484) | function isIn (interval, dstId) {
function connect (line 8611) | function connect (url, callback) {
function join (line 8617) | function join (callback) {
function send (line 8669) | function send (message) {
function decode (line 8715) | function decode (elt) {
function b64ToByteArray (line 8720) | function b64ToByteArray (b64) {
function encode (line 8766) | function encode (num) {
function tripletToBase64 (line 8770) | function tripletToBase64 (num) {
function encodeChunk (line 8774) | function encodeChunk (uint8, start, end) {
function uint8ToBase64 (line 8784) | function uint8ToBase64 (uint8) {
function typedArraySupport (line 8879) | function typedArraySupport () {
function kMaxLength (line 8891) | function kMaxLength () {
function Buffer (line 8906) | function Buffer (arg) {
function fromNumber (line 8938) | function fromNumber (that, length) {
function fromString (line 8948) | function fromString (that, string, encoding) {
function fromObject (line 8959) | function fromObject (that, object) {
function fromBuffer (line 8982) | function fromBuffer (that, buffer) {
function fromArray (line 8989) | function fromArray (that, array) {
function fromTypedArray (line 8999) | function fromTypedArray (that, array) {
function fromArrayBuffer (line 9011) | function fromArrayBuffer (that, array) {
function fromArrayLike (line 9025) | function fromArrayLike (that, array) {
function fromJsonObject (line 9036) | function fromJsonObject (that, object) {
function allocate (line 9069) | function allocate (that, length) {
function checked (line 9085) | function checked (length) {
function SlowBuffer (line 9095) | function SlowBuffer (subject, encoding) {
function byteLength (line 9179) | function byteLength (string, encoding) {
function slowToString (line 9216) | function slowToString (encoding, start, end) {
function arrayIndexOf (line 9317) | function arrayIndexOf (arr, val, byteOffset) {
function hexWrite (line 9333) | function hexWrite (buf, string, offset, length) {
function utf8Write (line 9360) | function utf8Write (buf, string, offset, length) {
function asciiWrite (line 9364) | function asciiWrite (buf, string, offset, length) {
function binaryWrite (line 9368) | function binaryWrite (buf, string, offset, length) {
function base64Write (line 9372) | function base64Write (buf, string, offset, length) {
function ucs2Write (line 9376) | function ucs2Write (buf, string, offset, length) {
function base64Slice (line 9459) | function base64Slice (buf, start, end) {
function utf8Slice (line 9467) | function utf8Slice (buf, start, end) {
function decodeCodePointsArray (line 9545) | function decodeCodePointsArray (codePoints) {
function asciiSlice (line 9563) | function asciiSlice (buf, start, end) {
function binarySlice (line 9573) | function binarySlice (buf, start, end) {
function hexSlice (line 9583) | function hexSlice (buf, start, end) {
function utf16leSlice (line 9596) | function utf16leSlice (buf, start, end) {
function checkOffset (line 9646) | function checkOffset (offset, ext, length) {
function checkInt (line 9807) | function checkInt (buf, value, offset, ext, max, min) {
function objectWriteUInt16 (line 9854) | function objectWriteUInt16 (buf, value, offset, littleEndian) {
function objectWriteUInt32 (line 9888) | function objectWriteUInt32 (buf, value, offset, littleEndian) {
function checkIEEE754 (line 10032) | function checkIEEE754 (buf, value, offset, ext, max, min) {
function writeFloat (line 10037) | function writeFloat (buf, value, offset, littleEndian, noAssert) {
function writeDouble (line 10053) | function writeDouble (buf, value, offset, littleEndian, noAssert) {
function base64clean (line 10154) | function base64clean (str) {
function stringtrim (line 10166) | function stringtrim (str) {
function toHex (line 10171) | function toHex (n) {
function utf8ToBytes (line 10176) | function utf8ToBytes (string, units) {
function asciiToBytes (line 10256) | function asciiToBytes (str) {
function utf16leToBytes (line 10265) | function utf16leToBytes (str, units) {
function base64ToBytes (line 10281) | function base64ToBytes (str) {
function blitBuffer (line 10285) | function blitBuffer (src, dst, offset, length) {
function isArray (line 10327) | function isArray(arg) {
function isBoolean (line 10335) | function isBoolean(arg) {
function isNull (line 10340) | function isNull(arg) {
function isNullOrUndefined (line 10345) | function isNullOrUndefined(arg) {
function isNumber (line 10350) | function isNumber(arg) {
function isString (line 10355) | function isString(arg) {
function isSymbol (line 10360) | function isSymbol(arg) {
function isUndefined (line 10365) | function isUndefined(arg) {
function isRegExp (line 10370) | function isRegExp(re) {
function isObject (line 10375) | function isObject(arg) {
function isDate (line 10380) | function isDate(d) {
function isError (line 10385) | function isError(e) {
function isFunction (line 10390) | function isFunction(arg) {
function isPrimitive (line 10395) | function isPrimitive(arg) {
function objectToString (line 10407) | function objectToString(o) {
function EventEmitter (line 10434) | function EventEmitter() {
function g (line 10568) | function g() {
function isFunction (line 10696) | function isFunction(arg) {
function isNumber (line 10700) | function isNumber(arg) {
function isObject (line 10704) | function isObject(arg) {
function isUndefined (line 10708) | function isUndefined(arg) {
function nextTick (line 10833) | function nextTick(fn) {
function cleanUpNextTick (line 10854) | function cleanUpNextTick() {
function drainQueue (line 10866) | function drainQueue() {
function Item (line 10904) | function Item(fun, array) {
function noop (line 10918) | function noop() {}
function Duplex (line 10983) | function Duplex(options) {
function onend (line 11004) | function onend() {
function onEndNT (line 11015) | function onEndNT(self) {
function forEach (line 11019) | function forEach (xs, f) {
function PassThrough (line 11043) | function PassThrough(options) {
function ReadableState (line 11120) | function ReadableState(options, stream) {
function Readable (line 11188) | function Readable(options) {
function readableAddChunk (line 11233) | function readableAddChunk(stream, state, chunk, encoding, addToFront) {
function needMoreData (line 11287) | function needMoreData(state) {
function computeNewHighWaterMark (line 11305) | function computeNewHighWaterMark(n) {
function howMuchToRead (line 11321) | function howMuchToRead(n, state) {
function chunkInvalid (line 11475) | function chunkInvalid(state, chunk) {
function onEofChunk (line 11488) | function onEofChunk(stream, state) {
function emitReadable (line 11506) | function emitReadable(stream) {
function emitReadable_ (line 11519) | function emitReadable_(stream) {
function maybeReadMore (line 11532) | function maybeReadMore(stream, state) {
function maybeReadMore_ (line 11539) | function maybeReadMore_(stream, state) {
function onunpipe (line 11591) | function onunpipe(readable) {
function onend (line 11598) | function onend() {
function cleanup (line 11611) | function cleanup() {
function ondata (line 11636) | function ondata(chunk) {
function onerror (line 11656) | function onerror(er) {
function onclose (line 11674) | function onclose() {
function onfinish (line 11679) | function onfinish() {
function unpipe (line 11686) | function unpipe() {
function pipeOnDrain (line 11703) | function pipeOnDrain(src) {
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function afterTransform (line 12101) | function afterTransform(stream, er, data) {
function Transform (line 12127) | function Transform(options) {
function done (line 12214) | function done(stream, er) {
function nop (line 12281) | function nop() {}
function WriteReq (line 12283) | function WriteReq(chunk, encoding, cb) {
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function Writable (line 12401) | function Writable(options) {
function writeAfterEnd (line 12431) | function writeAfterEnd(stream, cb) {
function validChunk (line 12443) | function validChunk(stream, state, chunk, cb) {
function decodeChunk (line 12518) | function decodeChunk(state, chunk, encoding) {
function writeOrBuffer (line 12530) | function writeOrBuffer(stream, state, chunk, encoding, cb) {
function doWrite (line 12559) | function doWrite(stream, state, writev, len, chunk, encoding, cb) {
function onwriteError (line 12571) | function onwriteError(stream, state, sync, er, cb) {
function onwriteStateUpdate (line 12582) | function onwriteStateUpdate(state) {
function onwrite (line 12589) | function onwrite(stream, er) {
function afterWrite (line 12617) | function afterWrite(stream, state, finished, cb) {
function onwriteDrain (line 12628) | function onwriteDrain(stream, state) {
function clearBuffer (line 12637) | function clearBuffer(stream, state) {
function needFinish (line 12722) | function needFinish(state) {
function prefinish (line 12730) | function prefinish(stream, state) {
function finishMaybe (line 12737) | function finishMaybe(stream, state) {
function endWritable (line 12751) | function endWritable(stream, state, cb) {
function Stream (line 12828) | function Stream() {
function ondata (line 12835) | function ondata(chunk) {
function ondrain (line 12845) | function ondrain() {
function onend (line 12861) | function onend() {
function onclose (line 12869) | function onclose() {
function onerror (line 12877) | function onerror(er) {
function cleanup (line 12888) | function cleanup() {
function assertEncoding (line 12948) | function assertEncoding(encoding) {
function passThroughWrite (line 13124) | function passThroughWrite(buffer) {
function utf16DetectIncompleteChar (line 13128) | function utf16DetectIncompleteChar(buffer) {
function base64DetectIncompleteChar (line 13133) | function base64DetectIncompleteChar(buffer) {
function deprecate (line 13165) | function deprecate (fn, msg) {
function config (line 13196) | function config (name) {
FILE: src/explorer/connection-switch.js
function createConn (line 61) | function createConn (srcId, dstId, connId) {
FILE: src/explorer/finger-table.js
function interval (line 92) | function interval (a, b) {
function isIn (line 104) | function isIn (interval, dstId) {
FILE: src/explorer/index.js
function connect (line 119) | function connect (url, callback) {
function join (line 125) | function join (callback) {
FILE: src/explorer/message-router.js
function send (line 39) | function send (message) {
FILE: src/sig-server/routes-ws/index.js
function handle (line 13) | function handle (socket) {
function join (line 25) | function join (options) {
function updateFinger (line 106) | function updateFinger (peerId, row) {
function remove (line 139) | function remove () {
function forward (line 149) | function forward (offer) {
FILE: tests/sig-server/test-handshake.js
function connected (line 35) | function connected () {
function completed (line 55) | function completed (err) {
FILE: tests/sig-server/test-join.js
function connected (line 37) | function connected () {
function completed (line 59) | function completed (err) {
function completed (line 76) | function completed (err) {
function connected (line 97) | function connected () {
function receivedUpdate (line 147) | function receivedUpdate (update) {
FILE: tests/sig-server/test-update-finger.js
function connected (line 52) | function connected () {
function tick (line 99) | function tick () {
function tick (line 153) | function tick (update) {
Condensed preview — 34 files, each showing path, character count, and a content snippet. Download the .json file or copy for the full structured content (412K chars).
[
{
"path": ".gitignore",
"chars": 548,
"preview": "**/.DS_Store\n# Logs\nlogs\n*.log\n\n# Runtime data\npids\n*.pid\n*.seed\n\n# Directory for instrumented libs generated by jscover"
},
{
"path": "LICENSE",
"chars": 1077,
"preview": "The MIT License (MIT)\n\nCopyright (c) 2016 David Dias\n\nPermission is hereby granted, free of charge, to any person obtain"
},
{
"path": "README.md",
"chars": 5216,
"preview": "\n\n[]("
},
{
"path": "examples/bundle.js",
"chars": 347746,
"preview": "(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0)"
},
{
"path": "examples/explorer.js",
"chars": 368,
"preview": "const explorer = require('../src/explorer')\n\nglobal.explorer = explorer\n\nconst listener = explorer.createListener((conn)"
},
{
"path": "examples/index.html",
"chars": 35,
"preview": "<script src=\"/bundle.js\"></script>\n"
},
{
"path": "package.json",
"chars": 1292,
"preview": "{\n \"name\": \"webrtc-explorer\",\n \"version\": \"2.0.0-alpha-v0\",\n \"description\": \"P2P Network Routing Overlay designed for"
},
{
"path": "src/explorer/channel.js",
"chars": 1869,
"preview": "const SimplePeer = require('simple-peer')\nconst config = require('./config')\nconst router = require('./message-router')\n"
},
{
"path": "src/explorer/config.js",
"chars": 196,
"preview": "const Id = require('webrtc-explorer-peer-id')\nconst debug = require('debug')\nconst log = debug('explorer')\nlog.error = d"
},
{
"path": "src/explorer/connection-switch.js",
"chars": 2157,
"preview": "const stream = require('stream')\nconst PassThrough = stream.PassThrough\nconst Writable = stream.Writable\nconst router = "
},
{
"path": "src/explorer/finger-table.js",
"chars": 2322,
"preview": "const config = require('./config')\nconst log = config.log\nconst channelManager = require('./channel')\nconst Id = require"
},
{
"path": "src/explorer/index.js",
"chars": 2948,
"preview": "const SocketIO = require('socket.io-client')\nconst config = require('./config')\nconst log = config.log\nconst fingerTable"
},
{
"path": "src/explorer/message-router.js",
"chars": 1468,
"preview": "const fingerTable = require('./finger-table')\nconst Id = require('webrtc-explorer-peer-id')\nconst config = require('./co"
},
{
"path": "src/sig-server/bin.js",
"chars": 258,
"preview": "#!/usr/local/bin/node\n\nconst sigServer = require('./index')\n\nsigServer.start(() => {\n console.log('Signalling Server St"
},
{
"path": "src/sig-server/config.js",
"chars": 402,
"preview": "const debug = require('debug')\nconst log = debug('sig-server')\nlog.error = debug('sig-server:error')\n\nmodule.exports = {"
},
{
"path": "src/sig-server/index.js",
"chars": 543,
"preview": "const Hapi = require('Hapi')\nconst config = require('./config')\nconst log = config.log\n\nexports = module.exports\n\nexport"
},
{
"path": "src/sig-server/resources/peer-table.js",
"chars": 231,
"preview": "// id : {\n// socket:\n// fingerTable: {\n// row : {\n// ideal: <fingerId>\n// curren"
},
{
"path": "src/sig-server/resources/peer.js",
"chars": 0,
"preview": ""
},
{
"path": "src/sig-server/routes-http/basic.js",
"chars": 157,
"preview": "const server = require('../').http\n\nserver.route({\n method: 'GET',\n path: '/',\n handler: function (request, reply) {\n"
},
{
"path": "src/sig-server/routes-http/graph.js",
"chars": 205,
"preview": "const server = require('../').http\nconst peerTable = require('../resources/peer-table')\n\nserver.route({\n method: 'get',"
},
{
"path": "src/sig-server/routes-ws/index.js",
"chars": 8768,
"preview": "const config = require('../config')\nconst log = config.log\nconst peerTable = require('../resources/peer-table')\nconst ht"
},
{
"path": "src/sig-server/utils/finger-best-fit.js",
"chars": 609,
"preview": "const Id = require('webrtc-explorer-peer-id')\n\nmodule.exports = (peerId, idealFingerId, currentFingerId, newFingerId) =>"
},
{
"path": "src/sig-server/utils/ideal-finger.js",
"chars": 208,
"preview": "const Id = require('webrtc-explorer-peer-id')\n\nmodule.exports = (peerId, row) => {\n const k = Number(row) + 1\n const i"
},
{
"path": "tests/explorer/index.js",
"chars": 459,
"preview": "/* globals describe, before, after */\n\nconst sigServer = require('../../src/sig-server')\nconst fs = require('fs')\n\ndescr"
},
{
"path": "tests/explorer/scripts/explorer-peer.js",
"chars": 821,
"preview": "const explorer = require('./../../../src/explorer/index.js')\nconst ppc = require('piri-piri').client\n\nmodule.exports = f"
},
{
"path": "tests/explorer/test-explorer.js",
"chars": 2158,
"preview": "/* globals describe, it, before, after */\n\nconst pp = require('piri-piri')\n// const Id = require('webrtc-explorer-peer-i"
},
{
"path": "tests/sig-server/index.js",
"chars": 439,
"preview": "/* globals describe, before, after */\n\nconst sigServer = require('../../src/sig-server')\nconst fs = require('fs')\n\ndescr"
},
{
"path": "tests/sig-server/test-finger-best-fit.js",
"chars": 1327,
"preview": "/* globals describe, it*/\n\nconst expect = require('chai').expect\nconst Id = require('webrtc-explorer-peer-id')\nconst fin"
},
{
"path": "tests/sig-server/test-handshake.js",
"chars": 1622,
"preview": "/* globals describe, it, after */\n\nconst expect = require('chai').expect\nconst io = require('socket.io-client')\n\ndescrib"
},
{
"path": "tests/sig-server/test-http.js",
"chars": 335,
"preview": "/* globals describe, it*/\n\nconst expect = require('chai').expect\nconst sigServer = require('../../src/sig-server')\n\ndesc"
},
{
"path": "tests/sig-server/test-join.js",
"chars": 3171,
"preview": "/* globals describe, it, after */\n\nconst expect = require('chai').expect\nconst io = require('socket.io-client')\n\ndescrib"
},
{
"path": "tests/sig-server/test-lifecycle.js",
"chars": 75,
"preview": "// TODO test 10 peers joining, registering, sending the handshakes and all\n"
},
{
"path": "tests/sig-server/test-update-finger.js",
"chars": 3922,
"preview": "/* globals describe, it, after */\n\nconst expect = require('chai').expect\nconst io = require('socket.io-client')\n\ndescrib"
}
]
// ... and 1 more files (download for full content)
About this extraction
This page contains the full source code of the diasdavid/webrtc-explorer GitHub repository, extracted and formatted as plain text for AI agents and large language models (LLMs). The extraction includes 34 files (383.7 KB), approximately 103.7k tokens, and a symbol index with 284 extracted functions, classes, methods, constants, and types. Use this with OpenClaw, Claude, ChatGPT, Cursor, Windsurf, or any other AI tool that accepts text input. You can copy the full output to your clipboard or download it as a .txt file.
Extracted by GitExtract — free GitHub repo to text converter for AI. Built by Nikandr Surkov.