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77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_TOOLS_QUIC_QUIC_SIMPLE_SERVER_PACKET_WRITER_H_
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#define NET_TOOLS_QUIC_QUIC_SIMPLE_SERVER_PACKET_WRITER_H_
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#include <stddef.h>
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#include "base/callback.h"
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#include "base/macros.h"
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#include "base/memory/weak_ptr.h"
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#include "net/quic/core/quic_connection.h"
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#include "net/quic/core/quic_packet_writer.h"
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#include "net/quic/core/quic_packets.h"
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namespace net {
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class QuicDispatcher;
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class UDPServerSocket;
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struct WriteResult;
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// Chrome specific packet writer which uses a UDPServerSocket for writing
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// data.
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class QuicSimpleServerPacketWriter : public QuicPacketWriter {
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public:
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typedef base::Callback<void(WriteResult)> WriteCallback;
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QuicSimpleServerPacketWriter(UDPServerSocket* socket,
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QuicDispatcher* dispatcher);
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~QuicSimpleServerPacketWriter() override;
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// Wraps WritePacket, and ensures that |callback| is run on successful write.
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WriteResult WritePacketWithCallback(const char* buffer,
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size_t buf_len,
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const QuicIpAddress& self_address,
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const QuicSocketAddress& peer_address,
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PerPacketOptions* options,
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WriteCallback callback);
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WriteResult WritePacket(const char* buffer,
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size_t buf_len,
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const QuicIpAddress& self_address,
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const QuicSocketAddress& peer_address,
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PerPacketOptions* options) override;
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void OnWriteComplete(int rv);
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// QuicPacketWriter implementation:
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bool IsWriteBlockedDataBuffered() const override;
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bool IsWriteBlocked() const override;
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void SetWritable() override;
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QuicByteCount GetMaxPacketSize(
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const QuicSocketAddress& peer_address) const override;
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private:
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UDPServerSocket* socket_;
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// To be notified after every successful asynchronous write.
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QuicDispatcher* dispatcher_;
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// To call once the write completes.
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WriteCallback callback_;
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// Whether a write is currently in flight.
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bool write_blocked_;
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base::WeakPtrFactory<QuicSimpleServerPacketWriter> weak_factory_;
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DISALLOW_COPY_AND_ASSIGN(QuicSimpleServerPacketWriter);
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};
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} // namespace net
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#endif // NET_TOOLS_QUIC_QUIC_SIMPLE_SERVER_PACKET_WRITER_H_
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