| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef NET_QUIC_QUIC_SERVER_PACKET_WRITER_H_ |
| #define NET_QUIC_QUIC_SERVER_PACKET_WRITER_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/memory/weak_ptr.h" |
| #include "net/base/ip_endpoint.h" |
| #include "net/quic/quic_connection.h" |
| #include "net/quic/quic_packet_writer.h" |
| #include "net/quic/quic_protocol.h" |
| |
| namespace net { |
| |
| class QuicBlockedWriterInterface; |
| class UDPServerSocket; |
| struct WriteResult; |
| |
| // Chrome specific packet writer which uses a UDPServerSocket for writing |
| // data. |
| class QuicServerPacketWriter : public QuicPacketWriter { |
| public: |
| typedef base::Callback<void(WriteResult)> WriteCallback; |
| |
| QuicServerPacketWriter(UDPServerSocket* socket, |
| QuicBlockedWriterInterface* blocked_writer); |
| virtual ~QuicServerPacketWriter(); |
| |
| // Use this method to write packets rather than WritePacket: |
| // QuicServerPacketWriter requires a callback to exist for every write, which |
| // will be called once the write completes. |
| virtual WriteResult WritePacketWithCallback( |
| const char* buffer, |
| size_t buf_len, |
| const IPAddressNumber& self_address, |
| const IPEndPoint& peer_address, |
| WriteCallback callback); |
| |
| void OnWriteComplete(int rv); |
| |
| // QuicPacketWriter implementation: |
| virtual bool IsWriteBlockedDataBuffered() const OVERRIDE; |
| virtual bool IsWriteBlocked() const OVERRIDE; |
| virtual void SetWritable() OVERRIDE; |
| |
| protected: |
| // Do not call WritePacket on its own -- use WritePacketWithCallback |
| virtual WriteResult WritePacket(const char* buffer, |
| size_t buf_len, |
| const IPAddressNumber& self_address, |
| const IPEndPoint& peer_address) OVERRIDE; |
| private: |
| base::WeakPtrFactory<QuicServerPacketWriter> weak_factory_; |
| UDPServerSocket* socket_; |
| |
| // To be notified after every successful asynchronous write. |
| QuicBlockedWriterInterface* blocked_writer_; |
| |
| // To call once the write completes. |
| WriteCallback callback_; |
| |
| // Whether a write is currently in flight. |
| bool write_blocked_; |
| |
| DISALLOW_COPY_AND_ASSIGN(QuicServerPacketWriter); |
| }; |
| |
| } // namespace net |
| |
| #endif // NET_QUIC_QUIC_SERVER_PACKET_WRITER_H_ |