WebSocket support in chromium.

chrome/browser/renderer_host/socket_stream_dispatcher_host.h

+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_RENDERER_HOST_SOCKET_STREAM_DISPATCHER_HOST_H_
+#define CHROME_BROWSER_RENDERER_HOST_SOCKET_STREAM_DISPATCHER_HOST_H_
+
+#include <vector>
+
+#include "base/id_map.h"
+#include "ipc/ipc_message.h"
+#include "net/socket_stream/socket_stream.h"
+
+class GURL;
+class SocketStreamHost;
+
+// Dispatches ViewHostMsg_SocketStream_* messages sent from renderer.
+// It also acts as SocketStream::Delegate so that it sends
+// ViewMsg_SocketStream_* messages back to renderer.
+class SocketStreamDispatcherHost : public net::SocketStream::Delegate {
+ public:
+  SocketStreamDispatcherHost();
+  virtual ~SocketStreamDispatcherHost();
+
+  void Initialize(IPC::Message::Sender* sender, int process_id);
+  bool OnMessageReceived(const IPC::Message& msg, bool* msg_ok);
+
+  // SocketStream::Delegate methods.
+  virtual void OnConnected(net::SocketStream* socket,
+                           int max_pending_send_allowed);
+  virtual void OnSentData(net::SocketStream* socket, int amount_sent);
+  virtual void OnReceivedData(net::SocketStream* socket,
+                              const char* data, int len);
+  virtual void OnClose(net::SocketStream* socket);
+
+  // For sync message.
+  bool Send(IPC::Message* message) {
+    return sender_->Send(message);
+  }
+
+ private:
+  // Message handlers called by OnMessageReceived.
+  void OnConnect(const GURL& url, int socket_id);
+  void OnSendData(int socket_id, const std::vector<char>& data);
+  void OnCloseReq(int socket_id);
+
+  void DeleteSocketStreamHost(int socket_id);
+
+  IPC::Message::Sender* sender_;
+  int process_id_;
+  IDMap<SocketStreamHost> hosts_;
+
+  DISALLOW_COPY_AND_ASSIGN(SocketStreamDispatcherHost);
+};
+
+#endif  // CHROME_BROWSER_RENDERER_HOST_SOCKET_STREAM_DISPATCHER_HOST_H_