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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_QUIC_QUIC_PER_CONNECTION_PACKET_WRITER_H_ | |
6 #define NET_QUIC_QUIC_PER_CONNECTION_PACKET_WRITER_H_ | |
7 | |
8 #include "base/memory/weak_ptr.h" | |
9 #include "net/quic/quic_connection.h" | |
10 #include "net/quic/quic_packet_writer.h" | |
11 | |
12 namespace net { | |
13 | |
14 class QuicServerPacketWriter; | |
15 | |
16 // A connection-specific packet writer that notifies its connection when its | |
17 // writes to the shared QuicServerPacketWriter complete. | |
18 // This class is necessary because multiple connections can share the same | |
19 // QuicServerPacketWriter, so it has no way to know which connection to notify. | |
20 class QuicPerConnectionPacketWriter : public QuicPacketWriter { | |
21 public: | |
22 // Does not take ownership of |shared_writer| or |connection|. | |
23 QuicPerConnectionPacketWriter(QuicServerPacketWriter* shared_writer, | |
24 QuicConnection* connection); | |
25 ~QuicPerConnectionPacketWriter() override; | |
26 | |
27 QuicPacketWriter* shared_writer() const; | |
28 QuicConnection* connection() const { return connection_; } | |
29 | |
30 // Default implementation of the QuicPacketWriter interface: Passes everything | |
31 // to |shared_writer_|. | |
32 WriteResult WritePacket(const char* buffer, | |
33 size_t buf_len, | |
34 const IPAddressNumber& self_address, | |
35 const IPEndPoint& peer_address) override; | |
36 bool IsWriteBlockedDataBuffered() const override; | |
37 bool IsWriteBlocked() const override; | |
38 void SetWritable() override; | |
39 | |
40 private: | |
41 void OnWriteComplete(WriteResult result); | |
42 | |
43 QuicServerPacketWriter* shared_writer_; // Not owned. | |
44 QuicConnection* connection_; // Not owned. | |
45 | |
46 base::WeakPtrFactory<QuicPerConnectionPacketWriter> weak_factory_; | |
47 | |
48 DISALLOW_COPY_AND_ASSIGN(QuicPerConnectionPacketWriter); | |
49 }; | |
50 | |
51 } // namespace net | |
52 | |
53 #endif // NET_QUIC_QUIC_PER_CONNECTION_PACKET_WRITER_H_ | |
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