net/tools/quic/quic_per_connection_packet_writer.h

   1 // Copyright 2014 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_TOOLS_QUIC_QUIC_PER_CONNECTION_PACKET_WRITER_H_
   6 #define NET_TOOLS_QUIC_QUIC_PER_CONNECTION_PACKET_WRITER_H_
   7
   8 #include "net/quic/quic_connection.h"
   9 #include "net/quic/quic_packet_writer.h"
  10
  11 namespace net {
  12
  13 namespace tools {
  14
  15 // A connection-specific packet writer that wraps a shared writer and keeps a
  16 // reference to the connection.
  17 class QuicPerConnectionPacketWriter : public QuicPacketWriter {
  18  public:
  19   // Does not take ownership of |shared_writer| or |connection|.
  20   QuicPerConnectionPacketWriter(QuicPacketWriter* shared_writer,
  21                                 QuicConnection* connection);
  22   ~QuicPerConnectionPacketWriter() override;
  23
  24   QuicPacketWriter* shared_writer() const { return shared_writer_; }
  25   QuicConnection* connection() const { return connection_; }
  26
  27   // Default implementation of the QuicPacketWriter interface: Passes everything
  28   // to |shared_writer_|.
  29   WriteResult WritePacket(const char* buffer,
  30                           size_t buf_len,
  31                           const IPAddressNumber& self_address,
  32                           const IPEndPoint& peer_address) override;
  33   bool IsWriteBlockedDataBuffered() const override;
  34   bool IsWriteBlocked() const override;
  35   void SetWritable() override;
  36
  37  private:
  38   QuicPacketWriter* shared_writer_;  // Not owned.
  39   QuicConnection* connection_;  // Not owned.
  40
  41   DISALLOW_COPY_AND_ASSIGN(QuicPerConnectionPacketWriter);
  42 };
  43
  44 }  // namespace tools
  45
  46 }  // namespace net
  47
  48 #endif  // NET_TOOLS_QUIC_QUIC_PER_CONNECTION_PACKET_WRITER_H_