| // 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_TOOLS_QUIC_QUIC_PACKET_WRITER_WRAPPER_H_ |
| #define NET_TOOLS_QUIC_QUIC_PACKET_WRITER_WRAPPER_H_ |
| |
| #include <stddef.h> |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "net/quic/core/quic_packet_writer.h" |
| |
| namespace net { |
| |
| // Wraps a writer object to allow dynamically extending functionality. Use |
| // cases: replace writer while dispatcher and connections hold on to the |
| // wrapper; mix in monitoring; mix in mocks in unit tests. |
| class QuicPacketWriterWrapper : public QuicPacketWriter { |
| public: |
| QuicPacketWriterWrapper(); |
| ~QuicPacketWriterWrapper() override; |
| |
| // Default implementation of the QuicPacketWriter interface. Passes everything |
| // to |writer_|. |
| WriteResult WritePacket(const char* buffer, |
| size_t buf_len, |
| const QuicIpAddress& self_address, |
| const QuicSocketAddress& peer_address, |
| PerPacketOptions* options) override; |
| bool IsWriteBlockedDataBuffered() const override; |
| bool IsWriteBlocked() const override; |
| void SetWritable() override; |
| QuicByteCount GetMaxPacketSize( |
| const QuicSocketAddress& peer_address) const override; |
| |
| // Takes ownership of |writer|. |
| void set_writer(QuicPacketWriter* writer); |
| |
| virtual void set_peer_address(const QuicSocketAddress& peer_address) {} |
| |
| QuicPacketWriter* writer() { return writer_.get(); } |
| |
| private: |
| std::unique_ptr<QuicPacketWriter> writer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(QuicPacketWriterWrapper); |
| }; |
| |
| } // namespace net |
| |
| #endif // NET_TOOLS_QUIC_QUIC_PACKET_WRITER_WRAPPER_H_ |