asyncfile.h

来自「由GOOGLE的JINGLE项目中移植的网络库」· C头文件 代码 · 共 57 行

/*
 * libjingle
 * Copyright 2004--2005, Google Inc.
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 * Redistribution and use in source and binary forms, with or without 
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#ifndef CRICKET_BASE_ASYNCFILEH_H__
#define CRICKET_BASE_ASYNCFILEH_H__

#include "sigslot.h"

namespace cricket {

// Provides the ability to perform file I/O asynchronously.
// TODO: Create a common base class with AsyncSocket.
class AsyncFile {
public:
  virtual ~AsyncFile() {}

  // Determines whether the file will receive read events.
  virtual bool readable() = 0;
  virtual void set_readable(bool value) = 0;

  // Determines whether the file will receive write events.
  virtual bool writable() = 0;
  virtual void set_writable(bool value) = 0;

  sigslot::signal1<AsyncFile*> SignalReadEvent;
  sigslot::signal1<AsyncFile*> SignalWriteEvent;
  sigslot::signal2<AsyncFile*,int> SignalCloseEvent;
};

} // namespace cricket

#endif // CRICKET_BASE_ASYNCFILEH_H__