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// Copyright (c) 2010 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 REMOTING_JINGLE_GLUE_STREAM_SOCKET_ADAPTER_H_
#define REMOTING_JINGLE_GLUE_STREAM_SOCKET_ADAPTER_H_
#include "base/scoped_ptr.h"
#include "net/socket/socket.h"
#include "third_party/libjingle/source/talk/base/sigslot.h"
namespace talk_base {
class StreamInterface;
} // namespace talk_base
namespace remoting {
// StreamSocketAdapter implements net::Socket interface on top of
// libjingle's StreamInterface. It is used by JingleChromotocolConnection
// to provide net::Socket interface for channels.
class StreamSocketAdapter : public net::Socket,
public sigslot::has_slots<> {
public:
// Ownership of the stream is passed to the adapter.
explicit StreamSocketAdapter(talk_base::StreamInterface* stream);
virtual ~StreamSocketAdapter();
// Closes the stream. |error_code| specifies error code that will
// be returned by Read() and Write() after the stream is closed.
void Close(int error_code);
// Socket interface.
virtual int Read(net::IOBuffer* buffer, int buffer_size,
net::CompletionCallback* callback);
virtual int Write(net::IOBuffer* buffer, int buffer_size,
net::CompletionCallback* callback);
virtual bool SetReceiveBufferSize(int32 size);
virtual bool SetSendBufferSize(int32 size);
private:
void OnStreamEvent(talk_base::StreamInterface* stream,
int events, int error);
void DoWrite();
void DoRead();
int ReadStream(net::IOBuffer* buffer, int buffer_size);
int WriteStream(net::IOBuffer* buffer, int buffer_size);
scoped_ptr<talk_base::StreamInterface> stream_;
bool read_pending_;
net::CompletionCallback* read_callback_;
scoped_refptr<net::IOBuffer> read_buffer_;
int read_buffer_size_;
bool write_pending_;
net::CompletionCallback* write_callback_;
scoped_refptr<net::IOBuffer> write_buffer_;
int write_buffer_size_;
int closed_error_code_;
DISALLOW_COPY_AND_ASSIGN(StreamSocketAdapter);
};
} // namespace remoting
#endif // REMOTING_JINGLE_GLUE_STREAM_SOCKET_ADAPTER_H_
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