blob: 4fc75c6b8efeb6966a7e1a8d331829de292b0f1f [file] [log] [blame]
// 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);
private:
std::unique_ptr<QuicPacketWriter> writer_;
DISALLOW_COPY_AND_ASSIGN(QuicPacketWriterWrapper);
};
} // namespace net
#endif // NET_TOOLS_QUIC_QUIC_PACKET_WRITER_WRAPPER_H_