ntopng/include/FifoQueue.h
2020-02-13 11:58:25 +01:00

49 lines
1.3 KiB
C++

/*
*
* (C) 2014-20 - ntop.org
*
*
* 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 3 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 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.
*
*/
#ifndef _FIFO_QUEUE_H
#define _FIFO_QUEUE_H
#include "ntop_includes.h"
/* A simple thread safe FIFO non-blocking bounded queue */
class FifoQueue {
private:
Mutex *m;
void **items;
u_int32_t size;
u_int32_t cur_items;
u_int32_t head;
u_int32_t tail;
public:
FifoQueue(u_int32_t queue_size);
virtual ~FifoQueue();
bool enqueue(void *item);
void* dequeue();
inline bool canEnqueue() { return(cur_items < size); }
inline u_int32_t getLength() { return(cur_items); }
inline u_int32_t getSize() { return(size); }
};
#endif /* _FIFO_QUEUE_H */