blob: cc3dbc29543cbe784f4d483830ff67bf4a82709d [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.
#include <cstddef>
#include <memory>
#include "net/third_party/quiche/src/quic/core/quic_packet_writer.h"
namespace quic {
// 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 {
QuicPacketWriterWrapper(const QuicPacketWriterWrapper&) = delete;
QuicPacketWriterWrapper& operator=(const QuicPacketWriterWrapper&) = delete;
~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 IsWriteBlocked() const override;
void SetWritable() override;
QuicByteCount GetMaxPacketSize(
const QuicSocketAddress& peer_address) const override;
bool SupportsReleaseTime() const override;
bool IsBatchMode() const override;
char* GetNextWriteLocation(const QuicIpAddress& self_address,
const QuicSocketAddress& peer_address) override;
WriteResult Flush() override;
// Takes ownership of |writer|.
void set_writer(QuicPacketWriter* writer);
// Does not take ownership of |writer|.
void set_non_owning_writer(QuicPacketWriter* writer);
virtual void set_peer_address(const QuicSocketAddress& /*peer_address*/) {}
QuicPacketWriter* writer() { return writer_; }
void unset_writer();
QuicPacketWriter* writer_ = nullptr;
bool owns_writer_ = false;
} // namespace quic