mirror of
https://github.com/Leo501/CocosCreatorTutorial.git
synced 2026-05-08 06:38:37 +08:00
1633 lines
39 KiB
JavaScript
1633 lines
39 KiB
JavaScript
(function () {
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/**
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* Expose `Emitter`.
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*/
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// module.exports = Emitter;
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/**
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* Initialize a new `Emitter`.
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*
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* @api public
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*/
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function Emitter(obj) {
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if (obj) return mixin(obj);
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};
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/**
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* Mixin the emitter properties.
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*
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* @param {Object} obj
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* @return {Object}
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* @api private
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*/
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function mixin(obj) {
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for (var key in Emitter.prototype) {
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obj[key] = Emitter.prototype[key];
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}
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return obj;
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}
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/**
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* Listen on the given `event` with `fn`.
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*
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* @param {String} event
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* @param {Function} fn
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* @return {Emitter}
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* @api public
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*/
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Emitter.prototype.on =
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Emitter.prototype.addEventListener = function (event, fn) {
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this._callbacks = this._callbacks || {};
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(this._callbacks[event] = this._callbacks[event] || [])
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.push(fn);
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return this;
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};
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/**
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* Adds an `event` listener that will be invoked a single
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* time then automatically removed.
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*
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* @param {String} event
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* @param {Function} fn
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* @return {Emitter}
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* @api public
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*/
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Emitter.prototype.once = function (event, fn) {
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var self = this;
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this._callbacks = this._callbacks || {};
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function on() {
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self.off(event, on);
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fn.apply(this, arguments);
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}
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on.fn = fn;
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this.on(event, on);
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return this;
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};
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/**
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* Remove the given callback for `event` or all
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* registered callbacks.
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*
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* @param {String} event
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* @param {Function} fn
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* @return {Emitter}
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* @api public
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*/
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Emitter.prototype.off =
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Emitter.prototype.removeListener =
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Emitter.prototype.removeAllListeners =
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Emitter.prototype.removeEventListener = function (event, fn) {
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this._callbacks = this._callbacks || {};
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// all
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if (0 == arguments.length) {
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this._callbacks = {};
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return this;
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}
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// specific event
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var callbacks = this._callbacks[event];
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if (!callbacks) return this;
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// remove all handlers
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if (1 == arguments.length) {
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delete this._callbacks[event];
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return this;
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}
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// remove specific handler
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var cb;
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for (var i = 0; i < callbacks.length; i++) {
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cb = callbacks[i];
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if (cb === fn || cb.fn === fn) {
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callbacks.splice(i, 1);
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break;
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}
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}
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return this;
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};
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/**
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* Emit `event` with the given args.
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*
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* @param {String} event
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* @param {Mixed} ...
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* @return {Emitter}
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*/
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Emitter.prototype.emit = function (event) {
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this._callbacks = this._callbacks || {};
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var args = [].slice.call(arguments, 1),
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callbacks = this._callbacks[event];
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if (callbacks) {
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callbacks = callbacks.slice(0);
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for (var i = 0, len = callbacks.length; i < len; ++i) {
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callbacks[i].apply(this, args);
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}
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}
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return this;
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};
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/**
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* Return array of callbacks for `event`.
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*
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* @param {String} event
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* @return {Array}
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* @api public
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*/
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Emitter.prototype.listeners = function (event) {
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this._callbacks = this._callbacks || {};
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return this._callbacks[event] || [];
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};
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/**
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* Check if this emitter has `event` handlers.
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*
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* @param {String} event
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* @return {Boolean}
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* @api public
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*/
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Emitter.prototype.hasListeners = function (event) {
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return !!this.listeners(event).length;
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};
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if (typeof (window) != "undefined") {
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window.EventEmitter = Emitter;
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}
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})();
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(function (exports, ByteArray, global) {
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var Protocol = exports;
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var PKG_HEAD_BYTES = 4;
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var MSG_FLAG_BYTES = 1;
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var MSG_ROUTE_CODE_BYTES = 2;
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var MSG_ID_MAX_BYTES = 5;
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var MSG_ROUTE_LEN_BYTES = 1;
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var MSG_ROUTE_CODE_MAX = 0xffff;
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var MSG_COMPRESS_ROUTE_MASK = 0x1;
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var MSG_TYPE_MASK = 0x7;
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var Package = Protocol.Package = {};
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var Message = Protocol.Message = {};
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Package.TYPE_HANDSHAKE = 1;
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Package.TYPE_HANDSHAKE_ACK = 2;
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Package.TYPE_HEARTBEAT = 3;
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Package.TYPE_DATA = 4;
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Package.TYPE_KICK = 5;
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Message.TYPE_REQUEST = 0;
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Message.TYPE_NOTIFY = 1;
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Message.TYPE_RESPONSE = 2;
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Message.TYPE_PUSH = 3;
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/**
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* pomele client encode
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* id message id;
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* route message route
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* msg message body
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* socketio current support string
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*/
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Protocol.strencode = function (str) {
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var byteArray = new ByteArray(str.length * 3);
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var offset = 0;
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for (var i = 0; i < str.length; i++) {
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var charCode = str.charCodeAt(i);
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var codes = null;
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if (charCode <= 0x7f) {
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codes = [charCode];
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} else if (charCode <= 0x7ff) {
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codes = [0xc0 | (charCode >> 6), 0x80 | (charCode & 0x3f)];
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} else {
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codes = [0xe0 | (charCode >> 12), 0x80 | ((charCode & 0xfc0) >> 6), 0x80 | (charCode & 0x3f)];
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}
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for (var j = 0; j < codes.length; j++) {
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byteArray[offset] = codes[j];
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++offset;
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}
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}
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var _buffer = new ByteArray(offset);
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copyArray(_buffer, 0, byteArray, 0, offset);
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return _buffer;
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};
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/**
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* client decode
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* msg String data
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* return Message Object
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*/
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Protocol.strdecode = function (buffer) {
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var bytes = new ByteArray(buffer);
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var array = [];
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var offset = 0;
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var charCode = 0;
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var end = bytes.length;
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while (offset < end) {
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if (bytes[offset] < 128) {
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charCode = bytes[offset];
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offset += 1;
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} else if (bytes[offset] < 224) {
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charCode = ((bytes[offset] & 0x3f) << 6) + (bytes[offset + 1] & 0x3f);
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offset += 2;
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} else {
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charCode = ((bytes[offset] & 0x0f) << 12) + ((bytes[offset + 1] & 0x3f) << 6) + (bytes[offset + 2] & 0x3f);
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offset += 3;
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}
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array.push(charCode);
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}
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return String.fromCharCode.apply(null, array);
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};
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/**
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* Package protocol encode.
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*
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* Pomelo package format:
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* +------+-------------+------------------+
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* | type | body length | body |
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* +------+-------------+------------------+
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*
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* Head: 4bytes
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* 0: package type,
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* 1 - handshake,
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* 2 - handshake ack,
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* 3 - heartbeat,
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* 4 - data
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* 5 - kick
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* 1 - 3: big-endian body length
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* Body: body length bytes
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*
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* @param {Number} type package type
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* @param {ByteArray} body body content in bytes
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* @return {ByteArray} new byte array that contains encode result
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*/
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Package.encode = function (type, body) {
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var length = body ? body.length : 0;
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var buffer = new ByteArray(PKG_HEAD_BYTES + length);
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var index = 0;
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buffer[index++] = type & 0xff;
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buffer[index++] = (length >> 16) & 0xff;
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buffer[index++] = (length >> 8) & 0xff;
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buffer[index++] = length & 0xff;
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if (body) {
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copyArray(buffer, index, body, 0, length);
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}
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return buffer;
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};
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/**
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* Package protocol decode.
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* See encode for package format.
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*
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* @param {ByteArray} buffer byte array containing package content
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* @return {Object} {type: package type, buffer: body byte array}
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*/
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Package.decode = function (buffer) {
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var offset = 0;
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var bytes = new ByteArray(buffer);
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var length = 0;
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var rs = [];
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while (offset < bytes.length) {
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var type = bytes[offset++];
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length = ((bytes[offset++]) << 16 | (bytes[offset++]) << 8 | bytes[offset++]) >>> 0;
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var body = length ? new ByteArray(length) : null;
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copyArray(body, 0, bytes, offset, length);
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offset += length;
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rs.push({
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'type': type,
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'body': body
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});
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}
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return rs.length === 1 ? rs[0] : rs;
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};
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/**
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* Message protocol encode.
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*
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* @param {Number} id message id
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* @param {Number} type message type
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* @param {Number} compressRoute whether compress route
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* @param {Number|String} route route code or route string
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* @param {Buffer} msg message body bytes
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* @return {Buffer} encode result
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*/
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Message.encode = function (id, type, compressRoute, route, msg) {
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// caculate message max length
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var idBytes = msgHasId(type) ? caculateMsgIdBytes(id) : 0;
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var msgLen = MSG_FLAG_BYTES + idBytes;
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if (msgHasRoute(type)) {
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if (compressRoute) {
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if (typeof route !== 'number') {
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throw new Error('error flag for number route!');
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}
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msgLen += MSG_ROUTE_CODE_BYTES;
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} else {
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msgLen += MSG_ROUTE_LEN_BYTES;
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if (route) {
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route = Protocol.strencode(route);
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if (route.length > 255) {
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throw new Error('route maxlength is overflow');
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}
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msgLen += route.length;
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}
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}
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}
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if (msg) {
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msgLen += msg.length;
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}
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var buffer = new ByteArray(msgLen);
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var offset = 0;
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// add flag
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offset = encodeMsgFlag(type, compressRoute, buffer, offset);
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// add message id
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if (msgHasId(type)) {
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offset = encodeMsgId(id, buffer, offset);
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}
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// add route
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if (msgHasRoute(type)) {
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offset = encodeMsgRoute(compressRoute, route, buffer, offset);
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}
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// add body
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if (msg) {
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offset = encodeMsgBody(msg, buffer, offset);
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}
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return buffer;
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};
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/**
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* Message protocol decode.
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*
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* @param {Buffer|Uint8Array} buffer message bytes
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* @return {Object} message object
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*/
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Message.decode = function (buffer) {
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var bytes = new ByteArray(buffer);
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var bytesLen = bytes.length || bytes.byteLength;
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var offset = 0;
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var id = 0;
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var route = null;
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// parse flag
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var flag = bytes[offset++];
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var compressRoute = flag & MSG_COMPRESS_ROUTE_MASK;
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var type = (flag >> 1) & MSG_TYPE_MASK;
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// parse id
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if (msgHasId(type)) {
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var m = parseInt(bytes[offset]);
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var i = 0;
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do {
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var m = parseInt(bytes[offset]);
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id = id + ((m & 0x7f) * Math.pow(2, (7 * i)));
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offset++;
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i++;
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} while (m >= 128);
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}
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// parse route
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if (msgHasRoute(type)) {
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if (compressRoute) {
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route = (bytes[offset++]) << 8 | bytes[offset++];
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} else {
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var routeLen = bytes[offset++];
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if (routeLen) {
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route = new ByteArray(routeLen);
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copyArray(route, 0, bytes, offset, routeLen);
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route = Protocol.strdecode(route);
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} else {
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route = '';
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}
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offset += routeLen;
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}
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}
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// parse body
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var bodyLen = bytesLen - offset;
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var body = new ByteArray(bodyLen);
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copyArray(body, 0, bytes, offset, bodyLen);
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return {
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'id': id,
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'type': type,
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'compressRoute': compressRoute,
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'route': route,
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'body': body
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};
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};
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var copyArray = function (dest, doffset, src, soffset, length) {
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if ('function' === typeof src.copy) {
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// Buffer
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src.copy(dest, doffset, soffset, soffset + length);
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} else {
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// Uint8Array
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for (var index = 0; index < length; index++) {
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dest[doffset++] = src[soffset++];
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}
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}
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};
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var msgHasId = function (type) {
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return type === Message.TYPE_REQUEST || type === Message.TYPE_RESPONSE;
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};
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var msgHasRoute = function (type) {
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return type === Message.TYPE_REQUEST || type === Message.TYPE_NOTIFY ||
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type === Message.TYPE_PUSH;
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};
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var caculateMsgIdBytes = function (id) {
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var len = 0;
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do {
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len += 1;
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id >>= 7;
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} while (id > 0);
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return len;
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};
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var encodeMsgFlag = function (type, compressRoute, buffer, offset) {
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if (type !== Message.TYPE_REQUEST && type !== Message.TYPE_NOTIFY &&
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type !== Message.TYPE_RESPONSE && type !== Message.TYPE_PUSH) {
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throw new Error('unkonw message type: ' + type);
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}
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buffer[offset] = (type << 1) | (compressRoute ? 1 : 0);
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return offset + MSG_FLAG_BYTES;
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};
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var encodeMsgId = function (id, buffer, offset) {
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do {
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var tmp = id % 128;
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var next = Math.floor(id / 128);
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if (next !== 0) {
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tmp = tmp + 128;
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}
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buffer[offset++] = tmp;
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id = next;
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} while (id !== 0);
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return offset;
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};
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var encodeMsgRoute = function (compressRoute, route, buffer, offset) {
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if (compressRoute) {
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if (route > MSG_ROUTE_CODE_MAX) {
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throw new Error('route number is overflow');
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}
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buffer[offset++] = (route >> 8) & 0xff;
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buffer[offset++] = route & 0xff;
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} else {
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if (route) {
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buffer[offset++] = route.length & 0xff;
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copyArray(buffer, offset, route, 0, route.length);
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offset += route.length;
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} else {
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buffer[offset++] = 0;
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}
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}
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return offset;
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};
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var encodeMsgBody = function (msg, buffer, offset) {
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copyArray(buffer, offset, msg, 0, msg.length);
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return offset + msg.length;
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};
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// module.exports = Protocol;
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if (typeof (window) != "undefined") {
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window.Protocol = Protocol;
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}
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})(typeof (window) == "undefined" ? module.exports : ({}), typeof (window) == "undefined" ? Buffer : Uint8Array, this);
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/* ProtocolBuffer client 0.1.0*/
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|
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/**
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|
* pomelo-protobuf
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|
* @author <[email protected]>
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*/
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|
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/**
|
|
* Protocol buffer root
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|
* In browser, it will be window.protbuf
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|
*/
|
|
(function (exports, global) {
|
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var Protobuf = exports;
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|
|
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Protobuf.init = function (opts) {
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//On the serverside, use serverProtos to encode messages send to client
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Protobuf.encoder.init(opts.encoderProtos);
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|
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//On the serverside, user clientProtos to decode messages receive from clients
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Protobuf.decoder.init(opts.decoderProtos);
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};
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Protobuf.encode = function (key, msg) {
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return Protobuf.encoder.encode(key, msg);
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};
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Protobuf.decode = function (key, msg) {
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return Protobuf.decoder.decode(key, msg);
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};
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// exports to support for components
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// module.exports = Protobuf;
|
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if (typeof (window) != "undefined") {
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window.protobuf = Protobuf;
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|
}
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|
|
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})(typeof (window) == "undefined" ? module.exports : ({}), this);
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|
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/**
|
|
* constants
|
|
*/
|
|
(function (exports, global) {
|
|
var constants = exports.constants = {};
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|
|
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constants.TYPES = {
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uInt32: 0,
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|
sInt32: 0,
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int32: 0,
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|
double: 1,
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string: 2,
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message: 2,
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float: 5
|
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};
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|
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})('undefined' !== typeof protobuf ? protobuf : module.exports, this);
|
|
|
|
/**
|
|
* util module
|
|
*/
|
|
(function (exports, global) {
|
|
|
|
var Util = exports.util = {};
|
|
|
|
Util.isSimpleType = function (type) {
|
|
return (type === 'uInt32' ||
|
|
type === 'sInt32' ||
|
|
type === 'int32' ||
|
|
type === 'uInt64' ||
|
|
type === 'sInt64' ||
|
|
type === 'float' ||
|
|
type === 'double');
|
|
};
|
|
|
|
})('undefined' !== typeof protobuf ? protobuf : module.exports, this);
|
|
|
|
/**
|
|
* codec module
|
|
*/
|
|
(function (exports, global) {
|
|
|
|
var Codec = exports.codec = {};
|
|
|
|
var buffer = new ArrayBuffer(8);
|
|
var float32Array = new Float32Array(buffer);
|
|
var float64Array = new Float64Array(buffer);
|
|
var uInt8Array = new Uint8Array(buffer);
|
|
|
|
Codec.encodeUInt32 = function (n) {
|
|
var n = parseInt(n);
|
|
if (isNaN(n) || n < 0) {
|
|
return null;
|
|
}
|
|
|
|
var result = [];
|
|
do {
|
|
var tmp = n % 128;
|
|
var next = Math.floor(n / 128);
|
|
|
|
if (next !== 0) {
|
|
tmp = tmp + 128;
|
|
}
|
|
result.push(tmp);
|
|
n = next;
|
|
} while (n !== 0);
|
|
|
|
return result;
|
|
};
|
|
|
|
Codec.encodeSInt32 = function (n) {
|
|
var n = parseInt(n);
|
|
if (isNaN(n)) {
|
|
return null;
|
|
}
|
|
n = n < 0 ? (Math.abs(n) * 2 - 1) : n * 2;
|
|
|
|
return Codec.encodeUInt32(n);
|
|
};
|
|
|
|
Codec.decodeUInt32 = function (bytes) {
|
|
var n = 0;
|
|
|
|
for (var i = 0; i < bytes.length; i++) {
|
|
var m = parseInt(bytes[i]);
|
|
n = n + ((m & 0x7f) * Math.pow(2, (7 * i)));
|
|
if (m < 128) {
|
|
return n;
|
|
}
|
|
}
|
|
|
|
return n;
|
|
};
|
|
|
|
Codec.decodeSInt32 = function (bytes) {
|
|
var n = this.decodeUInt32(bytes);
|
|
var flag = ((n % 2) === 1) ? -1 : 1;
|
|
|
|
n = ((n % 2 + n) / 2) * flag;
|
|
|
|
return n;
|
|
};
|
|
|
|
Codec.encodeFloat = function (float) {
|
|
float32Array[0] = float;
|
|
return uInt8Array;
|
|
};
|
|
|
|
Codec.decodeFloat = function (bytes, offset) {
|
|
if (!bytes || bytes.length < (offset + 4)) {
|
|
return null;
|
|
}
|
|
|
|
for (var i = 0; i < 4; i++) {
|
|
uInt8Array[i] = bytes[offset + i];
|
|
}
|
|
|
|
return float32Array[0];
|
|
};
|
|
|
|
Codec.encodeDouble = function (double) {
|
|
float64Array[0] = double;
|
|
return uInt8Array.subarray(0, 8);
|
|
};
|
|
|
|
Codec.decodeDouble = function (bytes, offset) {
|
|
if (!bytes || bytes.length < (offset + 8)) {
|
|
return null;
|
|
}
|
|
|
|
for (var i = 0; i < 8; i++) {
|
|
uInt8Array[i] = bytes[offset + i];
|
|
}
|
|
|
|
return float64Array[0];
|
|
};
|
|
|
|
Codec.encodeStr = function (bytes, offset, str) {
|
|
for (var i = 0; i < str.length; i++) {
|
|
var code = str.charCodeAt(i);
|
|
var codes = encode2UTF8(code);
|
|
|
|
for (var j = 0; j < codes.length; j++) {
|
|
bytes[offset] = codes[j];
|
|
offset++;
|
|
}
|
|
}
|
|
|
|
return offset;
|
|
};
|
|
|
|
/**
|
|
* Decode string from utf8 bytes
|
|
*/
|
|
Codec.decodeStr = function (bytes, offset, length) {
|
|
var array = [];
|
|
var end = offset + length;
|
|
|
|
while (offset < end) {
|
|
var code = 0;
|
|
|
|
if (bytes[offset] < 128) {
|
|
code = bytes[offset];
|
|
|
|
offset += 1;
|
|
} else if (bytes[offset] < 224) {
|
|
code = ((bytes[offset] & 0x3f) << 6) + (bytes[offset + 1] & 0x3f);
|
|
offset += 2;
|
|
} else {
|
|
code = ((bytes[offset] & 0x0f) << 12) + ((bytes[offset + 1] & 0x3f) << 6) + (bytes[offset + 2] & 0x3f);
|
|
offset += 3;
|
|
}
|
|
|
|
array.push(code);
|
|
|
|
}
|
|
|
|
var str = '';
|
|
for (var i = 0; i < array.length;) {
|
|
str += String.fromCharCode.apply(null, array.slice(i, i + 10000));
|
|
i += 10000;
|
|
}
|
|
|
|
return str;
|
|
};
|
|
|
|
/**
|
|
* Return the byte length of the str use utf8
|
|
*/
|
|
Codec.byteLength = function (str) {
|
|
if (typeof (str) !== 'string') {
|
|
return -1;
|
|
}
|
|
|
|
var length = 0;
|
|
|
|
for (var i = 0; i < str.length; i++) {
|
|
var code = str.charCodeAt(i);
|
|
length += codeLength(code);
|
|
}
|
|
|
|
return length;
|
|
};
|
|
|
|
/**
|
|
* Encode a unicode16 char code to utf8 bytes
|
|
*/
|
|
function encode2UTF8(charCode) {
|
|
if (charCode <= 0x7f) {
|
|
return [charCode];
|
|
} else if (charCode <= 0x7ff) {
|
|
return [0xc0 | (charCode >> 6), 0x80 | (charCode & 0x3f)];
|
|
} else {
|
|
return [0xe0 | (charCode >> 12), 0x80 | ((charCode & 0xfc0) >> 6), 0x80 | (charCode & 0x3f)];
|
|
}
|
|
}
|
|
|
|
function codeLength(code) {
|
|
if (code <= 0x7f) {
|
|
return 1;
|
|
} else if (code <= 0x7ff) {
|
|
return 2;
|
|
} else {
|
|
return 3;
|
|
}
|
|
}
|
|
})('undefined' !== typeof protobuf ? protobuf : module.exports, this);
|
|
|
|
/**
|
|
* encoder module
|
|
*/
|
|
(function (exports, global) {
|
|
|
|
var protobuf = exports;
|
|
var MsgEncoder = exports.encoder = {};
|
|
|
|
var codec = protobuf.codec;
|
|
var constant = protobuf.constants;
|
|
var util = protobuf.util;
|
|
|
|
MsgEncoder.init = function (protos) {
|
|
this.protos = protos || {};
|
|
};
|
|
|
|
MsgEncoder.encode = function (route, msg) {
|
|
//Get protos from protos map use the route as key
|
|
var protos = this.protos[route];
|
|
|
|
//Check msg
|
|
if (!checkMsg(msg, protos)) {
|
|
return null;
|
|
}
|
|
|
|
//Set the length of the buffer 2 times bigger to prevent overflow
|
|
var length = codec.byteLength(JSON.stringify(msg));
|
|
|
|
//Init buffer and offset
|
|
var buffer = new ArrayBuffer(length);
|
|
var uInt8Array = new Uint8Array(buffer);
|
|
var offset = 0;
|
|
|
|
if (!!protos) {
|
|
offset = encodeMsg(uInt8Array, offset, protos, msg);
|
|
if (offset > 0) {
|
|
return uInt8Array.subarray(0, offset);
|
|
}
|
|
}
|
|
|
|
return null;
|
|
};
|
|
|
|
/**
|
|
* Check if the msg follow the defination in the protos
|
|
*/
|
|
function checkMsg(msg, protos) {
|
|
if (!protos) {
|
|
return false;
|
|
}
|
|
|
|
for (var name in protos) {
|
|
var proto = protos[name];
|
|
|
|
//All required element must exist
|
|
switch (proto.option) {
|
|
case 'required':
|
|
if (typeof (msg[name]) === 'undefined') {
|
|
console.warn('no property exist for required! name: %j, proto: %j, msg: %j', name, proto, msg);
|
|
return false;
|
|
}
|
|
case 'optional':
|
|
if (typeof (msg[name]) !== 'undefined') {
|
|
var message = protos.__messages[proto.type] || MsgEncoder.protos['message ' + proto.type];
|
|
if (!!message && !checkMsg(msg[name], message)) {
|
|
console.warn('inner proto error! name: %j, proto: %j, msg: %j', name, proto, msg);
|
|
return false;
|
|
}
|
|
}
|
|
break;
|
|
case 'repeated':
|
|
//Check nest message in repeated elements
|
|
var message = protos.__messages[proto.type] || MsgEncoder.protos['message ' + proto.type];
|
|
if (!!msg[name] && !!message) {
|
|
for (var i = 0; i < msg[name].length; i++) {
|
|
if (!checkMsg(msg[name][i], message)) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
function encodeMsg(buffer, offset, protos, msg) {
|
|
for (var name in msg) {
|
|
if (!!protos[name]) {
|
|
var proto = protos[name];
|
|
|
|
switch (proto.option) {
|
|
case 'required':
|
|
case 'optional':
|
|
offset = writeBytes(buffer, offset, encodeTag(proto.type, proto.tag));
|
|
offset = encodeProp(msg[name], proto.type, offset, buffer, protos);
|
|
break;
|
|
case 'repeated':
|
|
if (msg[name].length > 0) {
|
|
offset = encodeArray(msg[name], proto, offset, buffer, protos);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
function encodeProp(value, type, offset, buffer, protos) {
|
|
switch (type) {
|
|
case 'uInt32':
|
|
offset = writeBytes(buffer, offset, codec.encodeUInt32(value));
|
|
break;
|
|
case 'int32':
|
|
case 'sInt32':
|
|
offset = writeBytes(buffer, offset, codec.encodeSInt32(value));
|
|
break;
|
|
case 'float':
|
|
writeBytes(buffer, offset, codec.encodeFloat(value));
|
|
offset += 4;
|
|
break;
|
|
case 'double':
|
|
writeBytes(buffer, offset, codec.encodeDouble(value));
|
|
offset += 8;
|
|
break;
|
|
case 'string':
|
|
var length = codec.byteLength(value);
|
|
|
|
//Encode length
|
|
offset = writeBytes(buffer, offset, codec.encodeUInt32(length));
|
|
//write string
|
|
codec.encodeStr(buffer, offset, value);
|
|
offset += length;
|
|
break;
|
|
default:
|
|
var message = protos.__messages[type] || MsgEncoder.protos['message ' + type];
|
|
if (!!message) {
|
|
//Use a tmp buffer to build an internal msg
|
|
var tmpBuffer = new ArrayBuffer(codec.byteLength(JSON.stringify(value)) * 2);
|
|
var length = 0;
|
|
|
|
length = encodeMsg(tmpBuffer, length, message, value);
|
|
//Encode length
|
|
offset = writeBytes(buffer, offset, codec.encodeUInt32(length));
|
|
//contact the object
|
|
for (var i = 0; i < length; i++) {
|
|
buffer[offset] = tmpBuffer[i];
|
|
offset++;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/**
|
|
* Encode reapeated properties, simple msg and object are decode differented
|
|
*/
|
|
function encodeArray(array, proto, offset, buffer, protos) {
|
|
var i = 0;
|
|
|
|
if (util.isSimpleType(proto.type)) {
|
|
offset = writeBytes(buffer, offset, encodeTag(proto.type, proto.tag));
|
|
offset = writeBytes(buffer, offset, codec.encodeUInt32(array.length));
|
|
for (i = 0; i < array.length; i++) {
|
|
offset = encodeProp(array[i], proto.type, offset, buffer);
|
|
}
|
|
} else {
|
|
for (i = 0; i < array.length; i++) {
|
|
offset = writeBytes(buffer, offset, encodeTag(proto.type, proto.tag));
|
|
offset = encodeProp(array[i], proto.type, offset, buffer, protos);
|
|
}
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
function writeBytes(buffer, offset, bytes) {
|
|
for (var i = 0; i < bytes.length; i++, offset++) {
|
|
buffer[offset] = bytes[i];
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
function encodeTag(type, tag) {
|
|
var value = constant.TYPES[type] || 2;
|
|
|
|
return codec.encodeUInt32((tag << 3) | value);
|
|
}
|
|
})('undefined' !== typeof protobuf ? protobuf : module.exports, this);
|
|
|
|
/**
|
|
* decoder module
|
|
*/
|
|
(function (exports, global) {
|
|
var protobuf = exports;
|
|
var MsgDecoder = exports.decoder = {};
|
|
|
|
var codec = protobuf.codec;
|
|
var util = protobuf.util;
|
|
|
|
var buffer;
|
|
var offset = 0;
|
|
|
|
MsgDecoder.init = function (protos) {
|
|
this.protos = protos || {};
|
|
};
|
|
|
|
MsgDecoder.setProtos = function (protos) {
|
|
if (!!protos) {
|
|
this.protos = protos;
|
|
}
|
|
};
|
|
|
|
MsgDecoder.decode = function (route, buf) {
|
|
var protos = this.protos[route];
|
|
|
|
buffer = buf;
|
|
offset = 0;
|
|
|
|
if (!!protos) {
|
|
return decodeMsg({}, protos, buffer.length);
|
|
}
|
|
|
|
return null;
|
|
};
|
|
|
|
function decodeMsg(msg, protos, length) {
|
|
while (offset < length) {
|
|
var head = getHead();
|
|
var type = head.type;
|
|
var tag = head.tag;
|
|
var name = protos.__tags[tag];
|
|
|
|
switch (protos[name].option) {
|
|
case 'optional':
|
|
case 'required':
|
|
msg[name] = decodeProp(protos[name].type, protos);
|
|
break;
|
|
case 'repeated':
|
|
if (!msg[name]) {
|
|
msg[name] = [];
|
|
}
|
|
decodeArray(msg[name], protos[name].type, protos);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return msg;
|
|
}
|
|
|
|
/**
|
|
* Test if the given msg is finished
|
|
*/
|
|
function isFinish(msg, protos) {
|
|
return (!protos.__tags[peekHead().tag]);
|
|
}
|
|
/**
|
|
* Get property head from protobuf
|
|
*/
|
|
function getHead() {
|
|
var tag = codec.decodeUInt32(getBytes());
|
|
|
|
return {
|
|
type: tag & 0x7,
|
|
tag: tag >> 3
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Get tag head without move the offset
|
|
*/
|
|
function peekHead() {
|
|
var tag = codec.decodeUInt32(peekBytes());
|
|
|
|
return {
|
|
type: tag & 0x7,
|
|
tag: tag >> 3
|
|
};
|
|
}
|
|
|
|
function decodeProp(type, protos) {
|
|
switch (type) {
|
|
case 'uInt32':
|
|
return codec.decodeUInt32(getBytes());
|
|
case 'int32':
|
|
case 'sInt32':
|
|
return codec.decodeSInt32(getBytes());
|
|
case 'float':
|
|
var float = codec.decodeFloat(buffer, offset);
|
|
offset += 4;
|
|
return float;
|
|
case 'double':
|
|
var double = codec.decodeDouble(buffer, offset);
|
|
offset += 8;
|
|
return double;
|
|
case 'string':
|
|
var length = codec.decodeUInt32(getBytes());
|
|
|
|
var str = codec.decodeStr(buffer, offset, length);
|
|
offset += length;
|
|
|
|
return str;
|
|
default:
|
|
var message = protos && (protos.__messages[type] || MsgDecoder.protos['message ' + type]);
|
|
if (!!message) {
|
|
var length = codec.decodeUInt32(getBytes());
|
|
var msg = {};
|
|
decodeMsg(msg, message, offset + length);
|
|
return msg;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
function decodeArray(array, type, protos) {
|
|
if (util.isSimpleType(type)) {
|
|
var length = codec.decodeUInt32(getBytes());
|
|
|
|
for (var i = 0; i < length; i++) {
|
|
array.push(decodeProp(type));
|
|
}
|
|
} else {
|
|
array.push(decodeProp(type, protos));
|
|
}
|
|
}
|
|
|
|
function getBytes(flag) {
|
|
var bytes = [];
|
|
var pos = offset;
|
|
flag = flag || false;
|
|
|
|
var b;
|
|
|
|
do {
|
|
b = buffer[pos];
|
|
bytes.push(b);
|
|
pos++;
|
|
} while (b >= 128);
|
|
|
|
if (!flag) {
|
|
offset = pos;
|
|
}
|
|
return bytes;
|
|
}
|
|
|
|
function peekBytes() {
|
|
return getBytes(true);
|
|
}
|
|
|
|
})('undefined' !== typeof protobuf ? protobuf : module.exports, this);
|
|
|
|
cc.Pomelo = function () {
|
|
var JS_WS_CLIENT_TYPE = 'js-websocket';
|
|
var JS_WS_CLIENT_VERSION = '0.0.1';
|
|
|
|
var Protocol = window.Protocol;
|
|
var protobuf = window.protobuf;
|
|
var decodeIO_protobuf = window.decodeIO_protobuf;
|
|
var decodeIO_encoder = null;
|
|
var decodeIO_decoder = null;
|
|
var Package = Protocol.Package;
|
|
var Message = Protocol.Message;
|
|
var EventEmitter = window.EventEmitter;
|
|
var rsa = window.rsa;
|
|
var disconnectCb = null;
|
|
|
|
if (typeof (window) != "undefined" && typeof (sys) != 'undefined' && sys.localStorage) {
|
|
window.localStorage = sys.localStorage;
|
|
}
|
|
|
|
var RES_OK = 200;
|
|
var RES_FAIL = 500;
|
|
var RES_OLD_CLIENT = 501;
|
|
|
|
if (typeof Object.create !== 'function') {
|
|
Object.create = function (o) {
|
|
function F() {}
|
|
F.prototype = o;
|
|
return new F();
|
|
};
|
|
}
|
|
|
|
var root = window;
|
|
var pomelo = Object.create(EventEmitter.prototype); // object extend from object
|
|
// root.pomelo = pomelo;
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var socket = null;
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var reqId = 0;
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var callbacks = {};
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var handlers = {};
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//Map from request id to route
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var routeMap = {};
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var dict = {}; // route string to code
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var abbrs = {}; // code to route string
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var serverProtos = {};
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var clientProtos = {};
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var protoVersion = 0;
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var heartbeatInterval = 0;
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var heartbeatTimeout = 0;
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var nextHeartbeatTimeout = 0;
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var gapThreshold = 100; // heartbeat gap threashold
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var heartbeatId = null;
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var heartbeatTimeoutId = null;
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var handshakeCallback = null;
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var decode = null;
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var encode = null;
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var reconnect = false;
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var reconncetTimer = null;
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var reconnectUrl = null;
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var reconnectAttempts = 0;
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var reconnectionDelay = 5000;
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var DEFAULT_MAX_RECONNECT_ATTEMPTS = 10;
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var useCrypto;
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var handshakeBuffer = {
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'sys': {
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type: JS_WS_CLIENT_TYPE,
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version: JS_WS_CLIENT_VERSION,
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rsa: {}
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},
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'user': {}
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};
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var initCallback = null;
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pomelo.init = function (params, cb) {
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initCallback = cb;
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var host = params.host;
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var port = params.port;
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encode = params.encode || defaultEncode;
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decode = params.decode || defaultDecode;
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var url = 'ws://' + host;
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if (port) {
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url += ':' + port;
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}
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handshakeBuffer.user = params.user;
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if (params.encrypt) {
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useCrypto = true;
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rsa.generate(1024, "10001");
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var data = {
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rsa_n: rsa.n.toString(16),
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rsa_e: rsa.e
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}
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handshakeBuffer.sys.rsa = data;
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}
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handshakeCallback = params.handshakeCallback;
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connect(params, url, cb);
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};
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var defaultDecode = pomelo.decode = function (data) {
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//probuff decode
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var msg = Message.decode(data);
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if (msg.id > 0) {
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msg.route = routeMap[msg.id];
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delete routeMap[msg.id];
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if (!msg.route) {
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return;
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}
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}
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msg.body = deCompose(msg);
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return msg;
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};
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var defaultEncode = pomelo.encode = function (reqId, route, msg) {
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var type = reqId ? Message.TYPE_REQUEST : Message.TYPE_NOTIFY;
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//compress message by protobuf
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if (protobuf && clientProtos[route]) {
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msg = protobuf.encode(route, msg);
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} else if (decodeIO_encoder && decodeIO_encoder.lookup(route)) {
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var Builder = decodeIO_encoder.build(route);
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msg = new Builder(msg).encodeNB();
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} else {
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msg = Protocol.strencode(JSON.stringify(msg));
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}
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var compressRoute = 0;
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if (dict && dict[route]) {
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route = dict[route];
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compressRoute = 1;
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}
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return Message.encode(reqId, type, compressRoute, route, msg);
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};
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var connect = function (params, url, cb) {
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console.log('connect to ' + url);
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var params = params || {};
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var maxReconnectAttempts = params.maxReconnectAttempts || DEFAULT_MAX_RECONNECT_ATTEMPTS;
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reconnectUrl = url;
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//Add protobuf version
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if (window.localStorage && window.localStorage.getItem('protos') && protoVersion === 0) {
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var protos = JSON.parse(window.localStorage.getItem('protos'));
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protoVersion = protos.version || 0;
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serverProtos = protos.server || {};
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clientProtos = protos.client || {};
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if (!!protobuf) {
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protobuf.init({
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encoderProtos: clientProtos,
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decoderProtos: serverProtos
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});
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}
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if (!!decodeIO_protobuf) {
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decodeIO_encoder = decodeIO_protobuf.loadJson(clientProtos);
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decodeIO_decoder = decodeIO_protobuf.loadJson(serverProtos);
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}
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}
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//Set protoversion
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handshakeBuffer.sys.protoVersion = protoVersion;
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var onopen = function (event) {
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if (!!reconnect) {
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pomelo.emit('reconnect');
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}
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reset();
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var obj = Package.encode(Package.TYPE_HANDSHAKE, Protocol.strencode(JSON.stringify(handshakeBuffer)));
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send(obj);
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};
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var onmessage = function (event) {
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processPackage(Package.decode(event.data), cb);
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// new package arrived, update the heartbeat timeout
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if (heartbeatTimeout) {
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nextHeartbeatTimeout = Date.now() + heartbeatTimeout;
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}
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};
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var onerror = function (event) {
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pomelo.emit('io-error', event);
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console.error('socket error: ', event);
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};
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var onclose = function (event) {
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pomelo.emit('close', event);
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pomelo.emit('disconnect', event);
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console.log('socket close: ', event);
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if (!!params.reconnect && reconnectAttempts < maxReconnectAttempts) {
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reconnect = true;
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reconnectAttempts++;
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reconncetTimer = setTimeout(function () {
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connect(params, reconnectUrl, cb);
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}, reconnectionDelay);
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reconnectionDelay *= 2;
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}
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socket = null;
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disconnectCb && disconnectCb();
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disconnectCb = null;
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};
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socket = new WebSocket(url);
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socket.binaryType = 'arraybuffer';
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socket.onopen = onopen;
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socket.onmessage = onmessage;
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socket.onerror = onerror;
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socket.onclose = onclose;
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};
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pomelo.disconnect = function (cb) {
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disconnectCb = cb;
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if (socket) {
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if (socket.disconnect) socket.disconnect();
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if (socket.close) socket.close();
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console.log('disconnect');
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socket = null;
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}
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if (heartbeatId) {
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clearTimeout(heartbeatId);
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heartbeatId = null;
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}
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if (heartbeatTimeoutId) {
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clearTimeout(heartbeatTimeoutId);
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heartbeatTimeoutId = null;
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}
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};
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var reset = function () {
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reconnect = false;
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reconnectionDelay = 1000 * 5;
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reconnectAttempts = 0;
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clearTimeout(reconncetTimer);
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};
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pomelo.request = function (route, msg, cb) {
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if (arguments.length === 2 && typeof msg === 'function') {
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cb = msg;
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msg = {};
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} else {
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msg = msg || {};
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}
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route = route || msg.route;
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if (!route) {
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return;
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}
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reqId++;
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sendMessage(reqId, route, msg);
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callbacks[reqId] = cb;
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routeMap[reqId] = route;
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};
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pomelo.notify = function (route, msg) {
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msg = msg || {};
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sendMessage(0, route, msg);
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};
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var sendMessage = function (reqId, route, msg) {
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if (useCrypto) {
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msg = JSON.stringify(msg);
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var sig = rsa.signString(msg, "sha256");
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msg = JSON.parse(msg);
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msg['__crypto__'] = sig;
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}
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if (encode) {
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msg = encode(reqId, route, msg);
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}
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var packet = Package.encode(Package.TYPE_DATA, msg);
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send(packet);
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};
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var send = function (packet) {
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if (socket !== null) {
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socket.send(packet.buffer);
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}
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};
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var handler = {};
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var heartbeat = function (data) {
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if (!heartbeatInterval) {
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// no heartbeat
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return;
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}
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var obj = Package.encode(Package.TYPE_HEARTBEAT);
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if (heartbeatTimeoutId) {
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clearTimeout(heartbeatTimeoutId);
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heartbeatTimeoutId = null;
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}
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if (heartbeatId) {
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// already in a heartbeat interval
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return;
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}
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heartbeatId = setTimeout(function () {
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heartbeatId = null;
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send(obj);
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nextHeartbeatTimeout = Date.now() + heartbeatTimeout;
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heartbeatTimeoutId = setTimeout(heartbeatTimeoutCb, heartbeatTimeout);
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}, heartbeatInterval);
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};
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var heartbeatTimeoutCb = function () {
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var gap = nextHeartbeatTimeout - Date.now();
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if (gap > gapThreshold) {
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heartbeatTimeoutId = setTimeout(heartbeatTimeoutCb, gap);
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} else {
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console.error('server heartbeat timeout');
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pomelo.emit('heartbeat timeout');
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pomelo.disconnect();
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}
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};
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var handshake = function (data) {
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data = JSON.parse(Protocol.strdecode(data));
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if (data.code === RES_OLD_CLIENT) {
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pomelo.emit('error', 'client version not fullfill');
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return;
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}
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if (data.code !== RES_OK) {
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pomelo.emit('error', 'handshake fail');
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return;
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}
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handshakeInit(data);
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var obj = Package.encode(Package.TYPE_HANDSHAKE_ACK);
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send(obj);
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if (initCallback) {
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initCallback(socket);
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}
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};
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var onData = function (data) {
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var msg = data;
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if (decode) {
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msg = decode(msg);
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}
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processMessage(pomelo, msg);
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};
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var onKick = function (data) {
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data = JSON.parse(Protocol.strdecode(data));
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pomelo.emit('onKick', data);
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};
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handlers[Package.TYPE_HANDSHAKE] = handshake;
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handlers[Package.TYPE_HEARTBEAT] = heartbeat;
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handlers[Package.TYPE_DATA] = onData;
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handlers[Package.TYPE_KICK] = onKick;
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var processPackage = function (msgs) {
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if (Array.isArray(msgs)) {
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for (var i = 0; i < msgs.length; i++) {
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var msg = msgs[i];
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handlers[msg.type](msg.body);
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}
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} else {
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handlers[msgs.type](msgs.body);
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}
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};
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var processMessage = function (pomelo, msg) {
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if (!msg.id) {
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// server push message
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pomelo.emit(msg.route, msg.body);
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return;
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}
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//if have a id then find the callback function with the request
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var cb = callbacks[msg.id];
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delete callbacks[msg.id];
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if (typeof cb !== 'function') {
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return;
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}
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cb(msg.body);
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return;
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};
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var processMessageBatch = function (pomelo, msgs) {
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for (var i = 0, l = msgs.length; i < l; i++) {
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processMessage(pomelo, msgs[i]);
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}
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};
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var deCompose = function (msg) {
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var route = msg.route;
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//Decompose route from dict
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if (msg.compressRoute) {
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if (!abbrs[route]) {
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return {};
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}
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route = msg.route = abbrs[route];
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}
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if (protobuf && serverProtos[route]) {
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return protobuf.decode(route, msg.body);
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} else if (decodeIO_decoder && decodeIO_decoder.lookup(route)) {
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return decodeIO_decoder.build(route).decode(msg.body);
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} else {
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return JSON.parse(Protocol.strdecode(msg.body));
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}
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return msg;
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};
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var handshakeInit = function (data) {
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if (data.sys && data.sys.heartbeat) {
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heartbeatInterval = data.sys.heartbeat * 1000; // heartbeat interval
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heartbeatTimeout = heartbeatInterval * 2; // max heartbeat timeout
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} else {
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heartbeatInterval = 0;
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heartbeatTimeout = 0;
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}
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initData(data);
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if (typeof handshakeCallback === 'function') {
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handshakeCallback(data.user);
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}
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};
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//Initilize data used in pomelo client
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var initData = function (data) {
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if (!data || !data.sys) {
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return;
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}
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dict = data.sys.dict;
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var protos = data.sys.protos;
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//Init compress dict
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if (dict) {
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dict = dict;
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abbrs = {};
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for (var route in dict) {
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abbrs[dict[route]] = route;
|
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}
|
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}
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//Init protobuf protos
|
|
if (protos) {
|
|
protoVersion = protos.version || 0;
|
|
serverProtos = protos.server || {};
|
|
clientProtos = protos.client || {};
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|
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//Save protobuf protos to localStorage
|
|
window.localStorage.setItem('protos', JSON.stringify(protos));
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|
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if (!!protobuf) {
|
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protobuf.init({
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encoderProtos: protos.client,
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decoderProtos: protos.server
|
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});
|
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}
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if (!!decodeIO_protobuf) {
|
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decodeIO_encoder = decodeIO_protobuf.loadJson(clientProtos);
|
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decodeIO_decoder = decodeIO_protobuf.loadJson(serverProtos);
|
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}
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}
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};
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return pomelo;
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// module.exports = pomelo;
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};
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window.pomelo = new cc.Pomelo();
|
|
// console.log('init pomelo', window.pomelo);
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