net/quic/quic_default_packet_writer.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 NET_QUIC_QUIC_DEFAULT_PACKET_WRITER_H_
   6 #define NET_QUIC_QUIC_DEFAULT_PACKET_WRITER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "net/base/ip_endpoint.h"
  11 #include "net/quic/quic_connection.h"
  12 #include "net/quic/quic_packet_writer.h"
  13 #include "net/quic/quic_protocol.h"
  14 #include "net/udp/datagram_client_socket.h"
  15
  16 namespace net {
  17
  18 struct WriteResult;
  19
  20 // Chrome specific packet writer which uses a DatagramClientSocket for writing
  21 // data.
  22 class NET_EXPORT_PRIVATE QuicDefaultPacketWriter : public QuicPacketWriter {
  23  public:
  24   QuicDefaultPacketWriter();
  25   explicit QuicDefaultPacketWriter(DatagramClientSocket* socket);
  26   virtual ~QuicDefaultPacketWriter();
  27
  28   // QuicPacketWriter
  29   virtual WriteResult WritePacket(
  30       const char* buffer, size_t buf_len,
  31       const net::IPAddressNumber& self_address,
  32       const net::IPEndPoint& peer_address) OVERRIDE;
  33   virtual bool IsWriteBlockedDataBuffered() const OVERRIDE;
  34   virtual bool IsWriteBlocked() const OVERRIDE;
  35   virtual void SetWritable() OVERRIDE;
  36
  37   void OnWriteComplete(int rv);
  38   void SetConnection(QuicConnection* connection) {
  39     connection_ = connection;
  40   }
  41
  42  private:
  43   base::WeakPtrFactory<QuicDefaultPacketWriter> weak_factory_;
  44   DatagramClientSocket* socket_;
  45   QuicConnection* connection_;
  46   bool write_blocked_;
  47 };
  48
  49 }  // namespace net
  50
  51 #endif  // NET_QUIC_QUIC_DEFAULT_PACKET_WRITER_H_