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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_BROWSER_RENDERER_HOST_WEBSOCKET_HOST_H_
      6 #define CONTENT_BROWSER_RENDERER_HOST_WEBSOCKET_HOST_H_
      7 
      8 #include <string>
      9 #include <vector>
     10 
     11 #include "base/memory/scoped_ptr.h"
     12 #include "content/common/content_export.h"
     13 #include "content/common/websocket.h"
     14 
     15 class GURL;
     16 
     17 namespace net {
     18 class WebSocketChannel;
     19 class URLRequestContext;
     20 }  // namespace net
     21 
     22 namespace IPC {
     23 class Message;
     24 }  // namespace IPC
     25 
     26 namespace content {
     27 
     28 class WebSocketDispatcherHost;
     29 
     30 // Host of net::WebSocketChannel. The lifetime of an instance of this class is
     31 // completely controlled by the WebSocketDispatcherHost object.
     32 class CONTENT_EXPORT WebSocketHost {
     33  public:
     34   WebSocketHost(int routing_id,
     35                 WebSocketDispatcherHost* dispatcher,
     36                 net::URLRequestContext* url_request_context);
     37   virtual ~WebSocketHost();
     38 
     39   // General message dispatch. WebSocketDispatcherHost::OnMessageReceived
     40   // delegates to this method after looking up the |routing_id|.
     41   virtual bool OnMessageReceived(const IPC::Message& message,
     42                                  bool* message_was_ok);
     43 
     44  private:
     45   // Handlers for each message type, dispatched by OnMessageReceived(), as
     46   // defined in content/common/websocket_messages.h
     47 
     48   void OnAddChannelRequest(const GURL& socket_url,
     49                            const std::vector<std::string>& requested_protocols,
     50                            const GURL& origin);
     51 
     52   void OnSendFrame(bool fin,
     53                    WebSocketMessageType type,
     54                    const std::vector<char>& data);
     55 
     56   void OnFlowControl(int64 quota);
     57 
     58   void OnDropChannel(bool was_clean, uint16 code, const std::string& reason);
     59 
     60   // The channel we use to send events to the network.
     61   scoped_ptr<net::WebSocketChannel> channel_;
     62 
     63   // The ID used to route messages.
     64   int routing_id_;
     65 
     66   DISALLOW_COPY_AND_ASSIGN(WebSocketHost);
     67 };
     68 
     69 }  // namespace content
     70 
     71 #endif  // CONTENT_BROWSER_RENDERER_HOST_WEBSOCKET_HOST_H_
     72