forked from projectmoon/tenebrous-dicebot
58 lines
1.3 KiB
JavaScript
58 lines
1.3 KiB
JavaScript
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'use strict';
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var inherits = require('inherits')
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, EventEmitter = require('events').EventEmitter
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;
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var debug = function() {};
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if (process.env.NODE_ENV !== 'production') {
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debug = require('debug')('sockjs-client:polling');
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}
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function Polling(Receiver, receiveUrl, AjaxObject) {
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debug(receiveUrl);
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EventEmitter.call(this);
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this.Receiver = Receiver;
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this.receiveUrl = receiveUrl;
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this.AjaxObject = AjaxObject;
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this._scheduleReceiver();
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}
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inherits(Polling, EventEmitter);
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Polling.prototype._scheduleReceiver = function() {
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debug('_scheduleReceiver');
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var self = this;
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var poll = this.poll = new this.Receiver(this.receiveUrl, this.AjaxObject);
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poll.on('message', function(msg) {
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debug('message', msg);
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self.emit('message', msg);
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});
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poll.once('close', function(code, reason) {
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debug('close', code, reason, self.pollIsClosing);
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self.poll = poll = null;
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if (!self.pollIsClosing) {
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if (reason === 'network') {
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self._scheduleReceiver();
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} else {
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self.emit('close', code || 1006, reason);
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self.removeAllListeners();
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}
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}
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});
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};
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Polling.prototype.abort = function() {
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debug('abort');
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this.removeAllListeners();
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this.pollIsClosing = true;
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if (this.poll) {
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this.poll.abort();
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}
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};
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module.exports = Polling;
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