OLD | NEW |
| (Empty) |
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_SERVER_PACKET_WRITER_H_ | |
6 #define NET_QUIC_QUIC_SERVER_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 | |
15 namespace net { | |
16 | |
17 class QuicBlockedWriterInterface; | |
18 class UDPServerSocket; | |
19 struct WriteResult; | |
20 | |
21 // Chrome specific packet writer which uses a UDPServerSocket for writing | |
22 // data. | |
23 class QuicServerPacketWriter : public QuicPacketWriter { | |
24 public: | |
25 typedef base::Callback<void(WriteResult)> WriteCallback; | |
26 | |
27 QuicServerPacketWriter(UDPServerSocket* socket, | |
28 QuicBlockedWriterInterface* blocked_writer); | |
29 ~QuicServerPacketWriter() override; | |
30 | |
31 // Use this method to write packets rather than WritePacket: | |
32 // QuicServerPacketWriter requires a callback to exist for every write, which | |
33 // will be called once the write completes. | |
34 virtual WriteResult WritePacketWithCallback( | |
35 const char* buffer, | |
36 size_t buf_len, | |
37 const IPAddressNumber& self_address, | |
38 const IPEndPoint& peer_address, | |
39 WriteCallback callback); | |
40 | |
41 void OnWriteComplete(int rv); | |
42 | |
43 // QuicPacketWriter implementation: | |
44 bool IsWriteBlockedDataBuffered() const override; | |
45 bool IsWriteBlocked() const override; | |
46 void SetWritable() override; | |
47 | |
48 protected: | |
49 // Do not call WritePacket on its own -- use WritePacketWithCallback | |
50 WriteResult WritePacket(const char* buffer, | |
51 size_t buf_len, | |
52 const IPAddressNumber& self_address, | |
53 const IPEndPoint& peer_address) override; | |
54 | |
55 private: | |
56 UDPServerSocket* socket_; | |
57 | |
58 // To be notified after every successful asynchronous write. | |
59 QuicBlockedWriterInterface* blocked_writer_; | |
60 | |
61 // To call once the write completes. | |
62 WriteCallback callback_; | |
63 | |
64 // Whether a write is currently in flight. | |
65 bool write_blocked_; | |
66 | |
67 base::WeakPtrFactory<QuicServerPacketWriter> weak_factory_; | |
68 | |
69 DISALLOW_COPY_AND_ASSIGN(QuicServerPacketWriter); | |
70 }; | |
71 | |
72 } // namespace net | |
73 | |
74 #endif // NET_QUIC_QUIC_SERVER_PACKET_WRITER_H_ | |
OLD | NEW |