diff options
Diffstat (limited to 'vnfmarket/src/main/webapp/vnfmarket/node_modules/socket.io/lib/transport.js')
-rw-r--r-- | vnfmarket/src/main/webapp/vnfmarket/node_modules/socket.io/lib/transport.js | 534 |
1 files changed, 0 insertions, 534 deletions
diff --git a/vnfmarket/src/main/webapp/vnfmarket/node_modules/socket.io/lib/transport.js b/vnfmarket/src/main/webapp/vnfmarket/node_modules/socket.io/lib/transport.js deleted file mode 100644 index 2e4c08bd..00000000 --- a/vnfmarket/src/main/webapp/vnfmarket/node_modules/socket.io/lib/transport.js +++ /dev/null @@ -1,534 +0,0 @@ - -/*! - * socket.io-node - * Copyright(c) 2011 LearnBoost <dev@learnboost.com> - * MIT Licensed - */ - -/** - * Module dependencies. - */ - -var parser = require('./parser'); - -/** - * Expose the constructor. - */ - -exports = module.exports = Transport; - -/** - * Transport constructor. - * - * @api public - */ - -function Transport (mng, data, req) { - this.manager = mng; - this.id = data.id; - this.disconnected = false; - this.drained = true; - this.handleRequest(req); -}; - -/** - * Access the logger. - * - * @api public - */ - -Transport.prototype.__defineGetter__('log', function () { - return this.manager.log; -}); - -/** - * Access the store. - * - * @api public - */ - -Transport.prototype.__defineGetter__('store', function () { - return this.manager.store; -}); - -/** - * Handles a request when it's set. - * - * @api private - */ - -Transport.prototype.handleRequest = function (req) { - this.log.debug('setting request', req.method, req.url); - this.req = req; - - if (req.method == 'GET') { - this.socket = req.socket; - this.open = true; - this.drained = true; - this.setHeartbeatInterval(); - - this.setHandlers(); - this.onSocketConnect(); - } -}; - -/** - * Called when a connection is first set. - * - * @api private - */ - -Transport.prototype.onSocketConnect = function () { }; - -/** - * Sets transport handlers - * - * @api private - */ - -Transport.prototype.setHandlers = function () { - var self = this; - - // we need to do this in a pub/sub way since the client can POST the message - // over a different socket (ie: different Transport instance) - this.store.subscribe('heartbeat-clear:' + this.id, function () { - self.onHeartbeatClear(); - }); - - this.store.subscribe('disconnect-force:' + this.id, function () { - self.onForcedDisconnect(); - }); - - this.store.subscribe('dispatch:' + this.id, function (packet, volatile) { - self.onDispatch(packet, volatile); - }); - - this.bound = { - end: this.onSocketEnd.bind(this) - , close: this.onSocketClose.bind(this) - , error: this.onSocketError.bind(this) - , drain: this.onSocketDrain.bind(this) - }; - - this.socket.on('end', this.bound.end); - this.socket.on('close', this.bound.close); - this.socket.on('error', this.bound.error); - this.socket.on('drain', this.bound.drain); - - this.handlersSet = true; -}; - -/** - * Removes transport handlers - * - * @api private - */ - -Transport.prototype.clearHandlers = function () { - if (this.handlersSet) { - this.store.unsubscribe('disconnect-force:' + this.id); - this.store.unsubscribe('heartbeat-clear:' + this.id); - this.store.unsubscribe('dispatch:' + this.id); - - this.socket.removeListener('end', this.bound.end); - this.socket.removeListener('close', this.bound.close); - this.socket.removeListener('error', this.bound.error); - this.socket.removeListener('drain', this.bound.drain); - } -}; - -/** - * Called when the connection dies - * - * @api private - */ - -Transport.prototype.onSocketEnd = function () { - this.end('socket end'); -}; - -/** - * Called when the connection dies - * - * @api private - */ - -Transport.prototype.onSocketClose = function (error) { - this.end(error ? 'socket error' : 'socket close'); -}; - -/** - * Called when the connection has an error. - * - * @api private - */ - -Transport.prototype.onSocketError = function (err) { - if (this.open) { - this.socket.destroy(); - this.onClose(); - } - - this.log.info('socket error ' + err.stack); -}; - -/** - * Called when the connection is drained. - * - * @api private - */ - -Transport.prototype.onSocketDrain = function () { - this.drained = true; -}; - -/** - * Called upon receiving a heartbeat packet. - * - * @api private - */ - -Transport.prototype.onHeartbeatClear = function () { - this.clearHeartbeatTimeout(); - this.setHeartbeatInterval(); -}; - -/** - * Called upon a forced disconnection. - * - * @api private - */ - -Transport.prototype.onForcedDisconnect = function () { - if (!this.disconnected) { - this.log.info('transport end by forced client disconnection'); - if (this.open) { - this.packet({ type: 'disconnect' }); - } - this.end('booted'); - } -}; - -/** - * Dispatches a packet. - * - * @api private - */ - -Transport.prototype.onDispatch = function (packet, volatile) { - if (volatile) { - this.writeVolatile(packet); - } else { - this.write(packet); - } -}; - -/** - * Sets the close timeout. - */ - -Transport.prototype.setCloseTimeout = function () { - if (!this.closeTimeout) { - var self = this; - - this.closeTimeout = setTimeout(function () { - self.log.debug('fired close timeout for client', self.id); - self.closeTimeout = null; - self.end('close timeout'); - }, this.manager.get('close timeout') * 1000); - - this.log.debug('set close timeout for client', this.id); - } -}; - -/** - * Clears the close timeout. - */ - -Transport.prototype.clearCloseTimeout = function () { - if (this.closeTimeout) { - clearTimeout(this.closeTimeout); - this.closeTimeout = null; - - this.log.debug('cleared close timeout for client', this.id); - } -}; - -/** - * Sets the heartbeat timeout - */ - -Transport.prototype.setHeartbeatTimeout = function () { - if (!this.heartbeatTimeout && this.manager.enabled('heartbeats')) { - var self = this; - - this.heartbeatTimeout = setTimeout(function () { - self.log.debug('fired heartbeat timeout for client', self.id); - self.heartbeatTimeout = null; - self.end('heartbeat timeout'); - }, this.manager.get('heartbeat timeout') * 1000); - - this.log.debug('set heartbeat timeout for client', this.id); - } -}; - -/** - * Clears the heartbeat timeout - * - * @param text - */ - -Transport.prototype.clearHeartbeatTimeout = function () { - if (this.heartbeatTimeout && this.manager.enabled('heartbeats')) { - clearTimeout(this.heartbeatTimeout); - this.heartbeatTimeout = null; - this.log.debug('cleared heartbeat timeout for client', this.id); - } -}; - -/** - * Sets the heartbeat interval. To be called when a connection opens and when - * a heartbeat is received. - * - * @api private - */ - -Transport.prototype.setHeartbeatInterval = function () { - if (!this.heartbeatInterval && this.manager.enabled('heartbeats')) { - var self = this; - - this.heartbeatInterval = setTimeout(function () { - self.heartbeat(); - self.heartbeatInterval = null; - }, this.manager.get('heartbeat interval') * 1000); - - this.log.debug('set heartbeat interval for client', this.id); - } -}; - -/** - * Clears all timeouts. - * - * @api private - */ - -Transport.prototype.clearTimeouts = function () { - this.clearCloseTimeout(); - this.clearHeartbeatTimeout(); - this.clearHeartbeatInterval(); -}; - -/** - * Sends a heartbeat - * - * @api private - */ - -Transport.prototype.heartbeat = function () { - if (this.open) { - this.log.debug('emitting heartbeat for client', this.id); - this.packet({ type: 'heartbeat' }); - this.setHeartbeatTimeout(); - } - - return this; -}; - -/** - * Handles a message. - * - * @param {Object} packet object - * @api private - */ - -Transport.prototype.onMessage = function (packet) { - var current = this.manager.transports[this.id]; - - if ('heartbeat' == packet.type) { - this.log.debug('got heartbeat packet'); - - if (current && current.open) { - current.onHeartbeatClear(); - } else { - this.store.publish('heartbeat-clear:' + this.id); - } - } else { - if ('disconnect' == packet.type && packet.endpoint == '') { - this.log.debug('got disconnection packet'); - - if (current) { - current.onForcedDisconnect(); - } else { - this.store.publish('disconnect-force:' + this.id); - } - - return; - } - - if (packet.id && packet.ack != 'data') { - this.log.debug('acknowledging packet automatically'); - - var ack = parser.encodePacket({ - type: 'ack' - , ackId: packet.id - , endpoint: packet.endpoint || '' - }); - - if (current && current.open) { - current.onDispatch(ack); - } else { - this.manager.onClientDispatch(this.id, ack); - this.store.publish('dispatch:' + this.id, ack); - } - } - - // handle packet locally or publish it - if (current) { - this.manager.onClientMessage(this.id, packet); - } else { - this.store.publish('message:' + this.id, packet); - } - } -}; - -/** - * Clears the heartbeat interval - * - * @api private - */ - -Transport.prototype.clearHeartbeatInterval = function () { - if (this.heartbeatInterval && this.manager.enabled('heartbeats')) { - clearTimeout(this.heartbeatInterval); - this.heartbeatInterval = null; - this.log.debug('cleared heartbeat interval for client', this.id); - } -}; - -/** - * Finishes the connection and makes sure client doesn't reopen - * - * @api private - */ - -Transport.prototype.disconnect = function (reason) { - this.packet({ type: 'disconnect' }); - this.end(reason); - - return this; -}; - -/** - * Closes the connection. - * - * @api private - */ - -Transport.prototype.close = function () { - if (this.open) { - this.doClose(); - this.onClose(); - } -}; - -/** - * Called upon a connection close. - * - * @api private - */ - -Transport.prototype.onClose = function () { - if (this.open) { - this.setCloseTimeout(); - this.clearHandlers(); - this.open = false; - this.manager.onClose(this.id); - this.store.publish('close', this.id); - } -}; - -/** - * Cleans up the connection, considers the client disconnected. - * - * @api private - */ - -Transport.prototype.end = function (reason) { - if (!this.disconnected) { - this.log.info('transport end (' + reason + ')'); - - var local = this.manager.transports[this.id]; - - this.close(); - this.clearTimeouts(); - this.disconnected = true; - - if (local) { - this.manager.onClientDisconnect(this.id, reason, true); - } else { - this.store.publish('disconnect:' + this.id, reason); - } - } -}; - -/** - * Signals that the transport should pause and buffer data. - * - * @api public - */ - -Transport.prototype.discard = function () { - this.log.debug('discarding transport'); - this.discarded = true; - this.clearTimeouts(); - this.clearHandlers(); - - return this; -}; - -/** - * Writes an error packet with the specified reason and advice. - * - * @param {Number} advice - * @param {Number} reason - * @api public - */ - -Transport.prototype.error = function (reason, advice) { - this.packet({ - type: 'error' - , reason: reason - , advice: advice - }); - - this.log.warn(reason, advice ? ('client should ' + advice) : ''); - this.end('error'); -}; - -/** - * Write a packet. - * - * @api public - */ - -Transport.prototype.packet = function (obj) { - return this.write(parser.encodePacket(obj)); -}; - -/** - * Writes a volatile message. - * - * @api private - */ - -Transport.prototype.writeVolatile = function (msg) { - if (this.open) { - if (this.drained) { - this.write(msg); - } else { - this.log.debug('ignoring volatile packet, buffer not drained'); - } - } else { - this.log.debug('ignoring volatile packet, transport not open'); - } -}; |