async.h

linux下的异步通信库 支持TCP和UDP异步通信 编译和使用前先读readme.

/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Library General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

// async.h - Copyright (C) 2002, Simon Brenner

#ifndef __async_h__
#define __async_h__

#include <stdio.h>
#include <pthread.h>

#include <signal.h>
#include <errno.h>
#include <sys/types.h>

#include <unistd.h>
#include <sys/socket.h>
#include <netinet/in.h>

#include <vector>
#include <map>


class FdConnection;

template <typename _T>
class locker: public _T
{
	pthread_mutex_t mutex[1];
public:
	inline locker()
	{
		pthread_mutexattr_t attr={PTHREAD_MUTEX_ERRORCHECK_NP};
		pthread_mutex_init(mutex, &attr);
	}
	
	inline ~locker()
	{
		if (pthread_mutex_destroy(mutex)==EBUSY)
		{
			Unlock();
			pthread_mutex_destroy(mutex);
		}
	}
	
	inline void Lock()
	{
		pthread_mutex_lock(mutex);
	}
	
	inline void Unlock()
	{
		pthread_mutex_unlock(mutex);
	}
};

typedef unsigned int uint;
typedef u_int32_t uint32;
typedef u_int16_t uint16;

extern void AsyncNotifications(const std::vector <int> &, timeval *, bool noWrites=false);
extern void AsyncNotificationLoop(bool noWrites=false);
extern void InitAsync();
extern void CheckSocketError(FdConnection *);
extern void RemoveSocket(int, FdConnection *);
extern void AddSocket(int, FdConnection *);
extern bool LastSocketObject(int fd);
extern unsigned int GetAvailBytes(int fd);

#include <StreamConnection.hpp>
#include <DatagramConnection.hpp>

#endif // __async_h__