chrome/renderer/media/cast_udp_transport.h

   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 CHROME_RENDERER_MEDIA_CAST_UDP_TRANSPORT_H_
   6 #define CHROME_RENDERER_MEDIA_CAST_UDP_TRANSPORT_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "content/public/renderer/p2p_socket_client.h"
  12 #include "content/public/renderer/p2p_socket_client_delegate.h"
  13 #include "net/base/host_port_pair.h"
  14
  15 class CastSession;
  16
  17 // This class represents the transport mechanism used by Cast RTP streams
  18 // to connect to a remote client. It specifies the destination address
  19 // and network protocol used to send Cast RTP streams.
  20 class CastUdpTransport : public content::P2PSocketClientDelegate {
  21  public:
  22   explicit CastUdpTransport(const scoped_refptr<CastSession>& session);
  23   virtual ~CastUdpTransport();
  24
  25   // Specify the remote IP address and port.
  26   void SetDestination(const net::IPEndPoint& remote_address);
  27
  28  protected:
  29   // content::P2PSocketClient::Delegate Implementation
  30   virtual void OnOpen(const net::IPEndPoint& address) OVERRIDE;
  31   virtual void OnIncomingTcpConnection(
  32       const net::IPEndPoint& address,
  33       content::P2PSocketClient* client) OVERRIDE;
  34   virtual void OnSendComplete() OVERRIDE;
  35   virtual void OnError() OVERRIDE;
  36   virtual void OnDataReceived(const net::IPEndPoint& address,
  37                               const std::vector<char>& data,
  38                               const base::TimeTicks& timestamp) OVERRIDE;
  39
  40  private:
  41   void SendPacket(const std::vector<char>& packet);
  42
  43   const scoped_refptr<CastSession> cast_session_;
  44   scoped_refptr<content::P2PSocketClient> socket_;
  45   net::IPEndPoint remote_address_;
  46   base::WeakPtrFactory<CastUdpTransport> weak_factory_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(CastUdpTransport);
  49 };
  50
  51 #endif  // CHROME_RENDERER_MEDIA_CAST_UDP_TRANSPORT_H_