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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 NET_TOOLS_QUIC_TEST_TOOLS_LIMITED_MTU_TEST_WRITER_H_
#define NET_TOOLS_QUIC_TEST_TOOLS_LIMITED_MTU_TEST_WRITER_H_
#include <stddef.h>
#include "base/macros.h"
#include "net/quic/quic_protocol.h"
#include "net/tools/quic/quic_packet_writer_wrapper.h"
namespace net {
namespace tools {
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() override;
// Inherited from QuicPacketWriterWrapper.
WriteResult WritePacket(const char* buffer,
size_t buf_len,
const IPAddressNumber& self_address,
const IPEndPoint& peer_address) override;
private:
QuicByteCount mtu_;
DISALLOW_COPY_AND_ASSIGN(LimitedMtuTestWriter);
};
} // namespace test
} // namespace tools
} // namespace net
#endif // NET_TOOLS_QUIC_TEST_TOOLS_LIMITED_MTU_TEST_WRITER_H_
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