Merge pull request #421 from TutoringAustralasia/manual_buffer_flushing

Adding support for manual buffer flushing

lib/socket.js

@@ -36,6 +36,7 @@
       , 'sync disconnect on unload': true
       , 'auto connect': true
       , 'flash policy port': 10843
+      , 'manualFlush': false
     };
 
     io.util.merge(this.options, options);
@@ -311,11 +312,25 @@
     this.doBuffer = v;
 
     if (!v && this.connected && this.buffer.length) {
-      this.transport.payload(this.buffer);
-      this.buffer = [];
+      if (!this.options['manualFlush']) {
+        this.flushBuffer();
+      }
     }
   };
 
+  /**
+   * Flushes the buffer data over the wire.
+   * To be invoked manually when 'manualFlush' is set to true.
+   *
+   * @api public
+   */
+
+  Socket.prototype.flushBuffer = function() {
+    this.transport.payload(this.buffer);
+    this.buffer = [];
+  };
+  
+
   /**
    * Disconnect the established connect.
    *