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      1 // Copyright (c) 2012 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_SOCKET_STREAM_HOST_H_
      6 #define CONTENT_BROWSER_RENDERER_HOST_SOCKET_STREAM_HOST_H_
      7 
      8 #include <vector>
      9 
     10 #include "base/memory/ref_counted.h"
     11 #include "net/socket_stream/socket_stream.h"
     12 
     13 class GURL;
     14 
     15 namespace net {
     16 class SocketStreamJob;
     17 class URLRequestContext;
     18 class SSLInfo;
     19 }  // namespace net
     20 
     21 namespace content {
     22 
     23 // Host of SocketStreamHandle.  Each SocketStreamHandle will have an unique
     24 // socket_id assigned by SocketStreamHost constructor.  If socket id is
     25 // kNoSocketId, there is no SocketStreamHost.  Each SocketStreamHost has
     26 // SocketStream to manage bi-directional communication over socket stream.  The
     27 // lifetime of an instance of this class is completely controlled by the
     28 // SocketStreamDispatcherHost.
     29 class SocketStreamHost {
     30  public:
     31   SocketStreamHost(net::SocketStream::Delegate* delegate,
     32                    int child_id,
     33                    int render_frame_id,
     34                    int socket_id);
     35   ~SocketStreamHost();
     36 
     37   // Gets socket_id associated with |socket|.
     38   static int SocketIdFromSocketStream(const net::SocketStream* socket);
     39 
     40   int render_frame_id() const { return render_frame_id_; }
     41   int socket_id() const { return socket_id_; }
     42 
     43   // Starts to open connection to |url|.
     44   void Connect(const GURL& url, net::URLRequestContext* request_context);
     45 
     46   // Sends |data| over the socket stream.
     47   // socket stream must be open to send data.
     48   // Returns true if the data is put in transmit buffer in socket stream.
     49   // Returns false otherwise (transmit buffer exceeds limit, or socket
     50   // stream is closed).
     51   bool SendData(const std::vector<char>& data);
     52 
     53   // Closes the socket stream.
     54   void Close();
     55 
     56   // Following CancelWithError, CancelWithSSLError, and ContinueDespiteError
     57   // will be called by net::SocketStream::Delegate in OnSSLCertificateError.
     58   // CancelWithError Cancels the connection because of an error.
     59   // |error| is net::Error which represents the error.
     60   void CancelWithError(int error);
     61 
     62   // Cancels the connection because of receiving a certificate with an error.
     63   void CancelWithSSLError(const net::SSLInfo& ssl_info);
     64 
     65   // Continue to establish the connection in spite of an error.
     66   void ContinueDespiteError();
     67 
     68  private:
     69   net::SocketStream::Delegate* delegate_;
     70   int child_id_;
     71   int render_frame_id_;
     72   int socket_id_;
     73 
     74   scoped_refptr<net::SocketStreamJob> job_;
     75 
     76   DISALLOW_COPY_AND_ASSIGN(SocketStreamHost);
     77 };
     78 
     79 }  // namespace content
     80 
     81 #endif  // CONTENT_BROWSER_RENDERER_HOST_SOCKET_STREAM_HOST_H_
     82