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// 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_QUIC_TOOLS_QUIC_SIMPLE_PER_CONNECTION_PACKET_WRITER_H_
#define NET_QUIC_TOOLS_QUIC_SIMPLE_PER_CONNECTION_PACKET_WRITER_H_
#include "base/memory/weak_ptr.h"
#include "net/quic/quic_connection.h"
#include "net/quic/quic_packet_writer.h"
namespace net {
namespace tools {
class QuicSimpleServerPacketWriter;
// A connection-specific packet writer that notifies its connection when its
// writes to the shared QuicServerPacketWriter complete.
// This class is necessary because multiple connections can share the same
// QuicServerPacketWriter, so it has no way to know which connection to notify.
class QuicSimplePerConnectionPacketWriter : public QuicPacketWriter {
public:
// Does not take ownership of |shared_writer| or |connection|.
QuicSimplePerConnectionPacketWriter(
QuicSimpleServerPacketWriter* shared_writer,
QuicConnection* connection);
~QuicSimplePerConnectionPacketWriter() override;
QuicPacketWriter* shared_writer() const;
QuicConnection* connection() const { return connection_; }
// Default implementation of the QuicPacketWriter interface: Passes everything
// to |shared_writer_|.
WriteResult WritePacket(const char* buffer,
size_t buf_len,
const IPAddressNumber& self_address,
const IPEndPoint& peer_address) override;
bool IsWriteBlockedDataBuffered() const override;
bool IsWriteBlocked() const override;
void SetWritable() override;
QuicByteCount GetMaxPacketSize(const IPEndPoint& peer_address) const override;
private:
void OnWriteComplete(WriteResult result);
QuicSimpleServerPacketWriter* shared_writer_; // Not owned.
QuicConnection* connection_; // Not owned.
base::WeakPtrFactory<QuicSimplePerConnectionPacketWriter> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(QuicSimplePerConnectionPacketWriter);
};
} // namespace tools
} // namespace net
#endif // NET_QUIC_TOOLS_QUIC_SIMPLE_PER_CONNECTION_PACKET_WRITER_H_
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