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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_TOOLS_QUIC_QUIC_PACKET_WRITER_WRAPPER_H_ | |
| 6 #define NET_TOOLS_QUIC_QUIC_PACKET_WRITER_WRAPPER_H_ | |
| 7 | |
| 8 #include "base/memory/scoped_ptr.h" | |
| 9 #include "net/quic/quic_packet_writer.h" | |
| 10 | |
| 11 namespace net { | |
| 12 | |
| 13 namespace tools { | |
| 14 | |
| 15 // Wraps a writer object to allow dynamically extending functionality. Use | |
| 16 // cases: replace writer while dispatcher and connections hold on to the | |
| 17 // wrapper; mix in monitoring in internal server; mix in mocks in unit tests. | |
| 18 class QuicPacketWriterWrapper : public net::QuicPacketWriter { | |
| 19 public: | |
| 20 QuicPacketWriterWrapper(); | |
| 21 explicit QuicPacketWriterWrapper(QuicPacketWriter* writer); | |
| 22 ~QuicPacketWriterWrapper() override; | |
| 23 | |
| 24 // Default implementation of the QuicPacketWriter interface. Passes everything | |
| 25 // to |writer_|. | |
| 26 WriteResult WritePacket(const char* buffer, | |
| 27 size_t buf_len, | |
| 28 const IPAddressNumber& self_address, | |
| 29 const IPEndPoint& peer_address) override; | |
| 30 bool IsWriteBlockedDataBuffered() const override; | |
| 31 bool IsWriteBlocked() const override; | |
| 32 void SetWritable() override; | |
| 33 | |
| 34 // Takes ownership of |writer|. | |
| 35 void set_writer(QuicPacketWriter* writer); | |
| 36 | |
| 37 // Releases ownership of |writer_|. | |
| 38 QuicPacketWriter* release_writer(); | |
| 39 | |
| 40 private: | |
| 41 scoped_ptr<QuicPacketWriter> writer_; | |
| 42 | |
| 43 DISALLOW_COPY_AND_ASSIGN(QuicPacketWriterWrapper); | |
| 44 }; | |
| 45 | |
| 46 } // namespace tools | |
| 47 } // namespace net | |
| 48 | |
| 49 #endif // NET_TOOLS_QUIC_QUIC_PACKET_WRITER_WRAPPER_H_ | |
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