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// Copyright (c) 2011 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 JINGLE_GLUE_PSEUDOTCP_ADAPTER_H_
#define JINGLE_GLUE_PSEUDOTCP_ADAPTER_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/timer.h"
#include "base/threading/non_thread_safe.h"
#include "net/base/net_log.h"
#include "net/socket/client_socket.h"
#include "third_party/libjingle/source/talk/p2p/base/pseudotcp.h"
namespace jingle_glue {
class PseudoTcpAdapter : public net::ClientSocket,
public cricket::IPseudoTcpNotify,
public base::NonThreadSafe {
public:
// Creates adapter for the specified |socket|. |socket| is assumed
// to be already connected. Takes ownership of |socket|.
PseudoTcpAdapter(net::Socket* socket);
virtual ~PseudoTcpAdapter();
// net::Socket implementation.
virtual int Read(net::IOBuffer* buffer, int buffer_size,
net::CompletionCallback* callback) OVERRIDE;
virtual int Write(net::IOBuffer* buffer, int buffer_size,
net::CompletionCallback* callback) OVERRIDE;
virtual bool SetReceiveBufferSize(int32 size) OVERRIDE;
virtual bool SetSendBufferSize(int32 size) OVERRIDE;
// net::ClientSocket implementation.
virtual int Connect(net::CompletionCallback* callback) OVERRIDE;
virtual void Disconnect() OVERRIDE;
virtual bool IsConnected() const OVERRIDE;
virtual bool IsConnectedAndIdle() const OVERRIDE;
virtual int GetPeerAddress(net::AddressList* address) const OVERRIDE;
virtual int GetLocalAddress(net::IPEndPoint* address) const OVERRIDE;
virtual const net::BoundNetLog& NetLog() const OVERRIDE;
virtual void SetSubresourceSpeculation() OVERRIDE;
virtual void SetOmniboxSpeculation() OVERRIDE;
virtual bool WasEverUsed() const OVERRIDE;
virtual bool UsingTCPFastOpen() const OVERRIDE;
// cricket::IPseudoTcpNotify implementation.
virtual void OnTcpOpen(cricket::PseudoTcp* tcp) OVERRIDE;
virtual void OnTcpReadable(cricket::PseudoTcp* tcp) OVERRIDE;
virtual void OnTcpWriteable(cricket::PseudoTcp* tcp) OVERRIDE;
virtual void OnTcpClosed(cricket::PseudoTcp* tcp, uint32 error) OVERRIDE;
virtual WriteResult TcpWritePacket(cricket::PseudoTcp* tcp,
const char* buffer, size_t len) OVERRIDE;
private:
void DoReadFromSocket();
void HandleReadResults(int result);
// Callback functions for Read() and Write() in |socket_|
void OnRead(int result);
void OnWritten(int result);
void AdjustClock();
void HandleTcpClock();
scoped_ptr<net::Socket> socket_;
cricket::PseudoTcp pseudotcp_;
net::CompletionCallback* connect_callback_;
scoped_refptr<net::IOBuffer> read_buffer_;
int read_buffer_size_;
net::CompletionCallback* read_callback_;
scoped_refptr<net::IOBuffer> write_buffer_;
int write_buffer_size_;
net::CompletionCallback* write_callback_;
bool socket_write_pending_;
scoped_refptr<net::IOBuffer> socket_read_buffer_;
net::CompletionCallbackImpl<PseudoTcpAdapter> socket_read_callback_;
net::CompletionCallbackImpl<PseudoTcpAdapter> socket_write_callback_;
base::OneShotTimer<PseudoTcpAdapter> timer_;
net::BoundNetLog net_log_;
DISALLOW_COPY_AND_ASSIGN(PseudoTcpAdapter);
};
} // namespace jingle_glue
#endif // JINGLE_GLUE_STREAM_SOCKET_ADAPTER_H_
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