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// Copyright (c) 2012 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.
//
// The Chrome-specific helper for QuicConnection which uses
// a TaskRunner for alarms, and uses a DatagramClientSocket for writing data.
#ifndef NET_QUIC_QUIC_CONNECTION_HELPER_H_
#define NET_QUIC_QUIC_CONNECTION_HELPER_H_
#include "net/quic/quic_connection.h"
#include <set>
#include "base/memory/weak_ptr.h"
#include "net/base/ip_endpoint.h"
#include "net/quic/quic_protocol.h"
#include "net/quic/quic_time.h"
#include "net/udp/datagram_client_socket.h"
namespace base {
class TaskRunner;
} // namespace base
namespace net {
class QuicClock;
class QuicRandom;
namespace test {
class QuicConnectionHelperPeer;
} // namespace test
class NET_EXPORT_PRIVATE QuicConnectionHelper
: public QuicConnectionHelperInterface {
public:
QuicConnectionHelper(base::TaskRunner* task_runner,
const QuicClock* clock,
QuicRandom* random_generator,
DatagramClientSocket* socket);
virtual ~QuicConnectionHelper();
// QuicConnectionHelperInterface
virtual void SetConnection(QuicConnection* connection) OVERRIDE;
virtual const QuicClock* GetClock() const OVERRIDE;
virtual QuicRandom* GetRandomGenerator() OVERRIDE;
virtual int WritePacketToWire(const QuicEncryptedPacket& packet,
int* error) OVERRIDE;
virtual bool IsWriteBlockedDataBuffered() OVERRIDE;
virtual bool IsWriteBlocked(int error) OVERRIDE;
virtual QuicAlarm* CreateAlarm(QuicAlarm::Delegate* delegate) OVERRIDE;
private:
friend class test::QuicConnectionHelperPeer;
// A completion callback invoked when a write completes.
void OnWriteComplete(int result);
base::WeakPtrFactory<QuicConnectionHelper> weak_factory_;
base::TaskRunner* task_runner_;
DatagramClientSocket* socket_;
QuicConnection* connection_;
const QuicClock* clock_;
QuicRandom* random_generator_;
DISALLOW_COPY_AND_ASSIGN(QuicConnectionHelper);
};
} // namespace net
#endif // NET_QUIC_QUIC_CONNECTION_HELPER_H_
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