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// Copyright (c) 2015 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 QUICHE_QUIC_TEST_TOOLS_LIMITED_MTU_TEST_WRITER_H_
#define QUICHE_QUIC_TEST_TOOLS_LIMITED_MTU_TEST_WRITER_H_
#include "quic/core/quic_packet_writer_wrapper.h"
#include "quic/core/quic_packets.h"
namespace quic {
namespace test {
// Simulates a connection over a link with fixed MTU. Drops packets which
// exceed the MTU and passes the rest of them as-is.
class LimitedMtuTestWriter : public QuicPacketWriterWrapper {
public:
explicit LimitedMtuTestWriter(QuicByteCount mtu);
LimitedMtuTestWriter(const LimitedMtuTestWriter&) = delete;
LimitedMtuTestWriter& operator=(const LimitedMtuTestWriter&) = delete;
~LimitedMtuTestWriter() override;
// Inherited from QuicPacketWriterWrapper.
WriteResult WritePacket(const char* buffer,
size_t buf_len,
const QuicIpAddress& self_address,
const QuicSocketAddress& peer_address,
PerPacketOptions* options) override;
private:
QuicByteCount mtu_;
};
} // namespace test
} // namespace quic
#endif // QUICHE_QUIC_TEST_TOOLS_LIMITED_MTU_TEST_WRITER_H_