Added node-modules

node_modules/socket.io/lib/transports/http-polling.js

@@ -0,0 +1,147 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module requirements.
+ */
+
+var HTTPTransport = require('./http');
+
+/**
+ * Exports the constructor.
+ */
+
+exports = module.exports = HTTPPolling;
+
+/**
+ * HTTP polling constructor.
+ *
+ * @api public.
+ */
+
+function HTTPPolling (mng, data, req) {
+  HTTPTransport.call(this, mng, data, req);
+};
+
+/**
+ * Inherits from HTTPTransport.
+ *
+ * @api public.
+ */
+
+HTTPPolling.prototype.__proto__ = HTTPTransport.prototype;
+
+/**
+ * Transport name
+ *
+ * @api public
+ */
+
+HTTPPolling.prototype.name = 'httppolling';
+
+/**
+ * Override setHandlers
+ *
+ * @api private
+ */
+
+HTTPPolling.prototype.setHandlers = function () {
+  HTTPTransport.prototype.setHandlers.call(this);
+  this.socket.removeListener('end', this.bound.end);
+  this.socket.removeListener('close', this.bound.close);
+};
+
+/**
+ * Removes heartbeat timeouts for polling.
+ */
+
+HTTPPolling.prototype.setHeartbeatInterval = function () {
+  return this;
+};
+
+/**
+ * Handles a request
+ *
+ * @api private
+ */
+
+HTTPPolling.prototype.handleRequest = function (req) {
+  HTTPTransport.prototype.handleRequest.call(this, req);
+
+  if (req.method == 'GET') {
+    var self = this;
+
+    this.pollTimeout = setTimeout(function () {
+      self.packet({ type: 'noop' });
+      self.log.debug(self.name + ' closed due to exceeded duration');
+    }, this.manager.get('polling duration') * 1000);
+
+    this.log.debug('setting poll timeout');
+  }
+};
+
+/**
+ * Clears polling timeout
+ *
+ * @api private
+ */
+
+HTTPPolling.prototype.clearPollTimeout = function () {
+  if (this.pollTimeout) {
+    clearTimeout(this.pollTimeout);
+    this.pollTimeout = null;
+    this.log.debug('clearing poll timeout');
+  }
+
+  return this;
+};
+
+/**
+ * Override clear timeouts to clear the poll timeout
+ *
+ * @api private
+ */
+
+HTTPPolling.prototype.clearTimeouts = function () {
+  HTTPTransport.prototype.clearTimeouts.call(this);
+
+  this.clearPollTimeout();
+};
+
+/**
+ * doWrite to clear poll timeout
+ *
+ * @api private
+ */
+
+HTTPPolling.prototype.doWrite = function () {
+  this.clearPollTimeout();
+};
+
+/**
+ * Performs a write.
+ *
+ * @api private.
+ */
+
+HTTPPolling.prototype.write = function (data, close) {
+  this.doWrite(data);
+  this.response.end();
+  this.onClose();
+};
+
+/**
+ * Override end.
+ *
+ * @api private
+ */
+
+HTTPPolling.prototype.end = function (reason) {
+  this.clearPollTimeout();
+  return HTTPTransport.prototype.end.call(this, reason);
+};
+