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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.
#ifndef TOOLS_ANDROID_FORWARDER2_FORWARDER_H_
#define TOOLS_ANDROID_FORWARDER2_FORWARDER_H_
#include <sys/select.h>
#include "base/memory/scoped_ptr.h"
#include "base/threading/thread_checker.h"
namespace forwarder2 {
class Socket;
// Internal class that forwards traffic between |socket1| and |socket2|. Note
// that this class is not thread-safe.
class Forwarder {
public:
Forwarder(scoped_ptr<Socket> socket1, scoped_ptr<Socket> socket2);
~Forwarder();
void RegisterFDs(fd_set* read_fds, fd_set* write_fds, int* max_fd);
void ProcessEvents(const fd_set& read_fds, const fd_set& write_fds);
bool IsClosed() const;
void Shutdown();
private:
class BufferedCopier;
base::ThreadChecker thread_checker_;
const scoped_ptr<Socket> socket1_;
const scoped_ptr<Socket> socket2_;
// Copies data from socket1 to socket2.
const scoped_ptr<BufferedCopier> buffer1_;
// Copies data from socket2 to socket1.
const scoped_ptr<BufferedCopier> buffer2_;
};
} // namespace forwarder2
#endif // TOOLS_ANDROID_FORWARDER2_FORWARDER_H_
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