Sha256: 21edee4950ddf55f5c75f9bda8290bbb82d4cd7e65e0fcd4678f0d3ebec53d05
Contents?: true
Size: 1.94 KB
Versions: 88
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Stored size: 1.94 KB
Contents
/**
* Module dependencies.
*/
var Transport = require('../transport')
, parser = require('engine.io-parser')
, debug = require('debug')('engine:ws')
/**
* Export the constructor.
*/
module.exports = WebSocket;
/**
* WebSocket transport
*
* @param {http.ServerRequest}
* @api public
*/
function WebSocket (req) {
Transport.call(this, req);
var self = this;
this.socket = req.websocket;
this.socket.on('message', this.onData.bind(this));
this.socket.once('close', this.onClose.bind(this));
this.socket.on('error', this.onError.bind(this));
this.socket.on('headers', function (headers) {
self.emit('headers', headers);
});
this.writable = true;
};
/**
* Inherits from Transport.
*/
WebSocket.prototype.__proto__ = Transport.prototype;
/**
* Transport name
*
* @api public
*/
WebSocket.prototype.name = 'websocket';
/**
* Advertise upgrade support.
*
* @api public
*/
WebSocket.prototype.handlesUpgrades = true;
/**
* Advertise framing support.
*
* @api public
*/
WebSocket.prototype.supportsFraming = true;
/**
* Processes the incoming data.
*
* @param {String} encoded packet
* @api private
*/
WebSocket.prototype.onData = function (data) {
debug('received "%s"', data);
Transport.prototype.onData.call(this, data);
};
/**
* Writes a packet payload.
*
* @param {Array} packets
* @api private
*/
WebSocket.prototype.send = function (packets) {
var self = this;
for (var i = 0, l = packets.length; i < l; i++) {
parser.encodePacket(packets[i], this.supportsBinary, function(data) {
debug('writing "%s"', data);
self.writable = false;
self.socket.send(data, function (err){
if (err) return self.onError('write error', err.stack);
self.writable = true;
self.emit('drain');
});
});
}
};
/**
* Closes the transport.
*
* @api private
*/
WebSocket.prototype.doClose = function (fn) {
debug('closing');
this.socket.close();
fn && fn();
};
Version data entries
88 entries across 88 versions & 2 rubygems