Fix HTTP sample implementation to actually wait for connections before attempting to write.

runtime/bin/socket_impl.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 class _SocketBase {
   // Bit flags used when communicating between the eventhandler and
   // dart code. The EVENT flags are used to indicate events of
   // interest when sending a message from dart code to the
   // eventhandler. When receiving a message from the eventhandler the
@@ skipping 205 matching lines @@
       return null;
     }
     if (port != 0) {
       socket._port = port;
     }
     return socket;
   }
 
   _ServerSocket._internal();
 
-  Socket accept() {
-    if (_id >= 0) {
-      _Socket socket = new _Socket._internal();
-      if (_accept(socket)) {
-        return socket;
-      }
-      return null;
-    }
-    throw new
-        SocketIOException("Error: accept failed - invalid socket handle");
-  }
-
   bool _accept(Socket socket) native "ServerSocket_Accept";
 
   bool _createBindListen(String bindAddress, int port, int backlog)
       native "ServerSocket_CreateBindListen";
 
   void set connectionHandler(void callback(Socket connection)) {
     _clientConnectionHandler = callback;
     _setHandler(_IN_EVENT,
                 _clientConnectionHandler != null ? _connectionHandler : null);
   }
@@ skipping 113 matching lines @@
     }
   }
 
   bool _createConnect(String host, int port) native "Socket_CreateConnect";
 
   void set writeHandler(void callback()) {
     _setHandler(_OUT_EVENT, callback);
   }
 
   void set connectHandler(void callback()) {
+    // TODO(ager): Make sure that write handler and connect handler do
+    // not compete for the out events.
     _setHandler(_OUT_EVENT, callback);
   }
 
   void set dataHandler(void callback()) {
     _setHandler(_IN_EVENT, callback);
   }
 
   void set closeHandler(void callback()) {
     _setHandler(_CLOSE_EVENT, callback);
   }
@@ skipping 15 matching lines @@
     return _outputStream;
   }
 
   bool _closedRead = false;
   bool _closedWrite = false;
   bool _pipe = false;
   SocketInputStream _inputStream;
   SocketOutputStream _outputStream;
 }