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/* Copyright (C) 2007-2019 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* 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
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Victor Julien <victor@inliniac.net>
*/
#ifndef __PACKET_QUEUE_H__
#define __PACKET_QUEUE_H__
#include "threads.h"
/** \brief simple fifo queue for packets
*
* \note PacketQueueNoLock and PacketQueue need to keep identical
* layouts except for the mutex_q and cond_q fields.
*/
typedef struct PacketQueueNoLock_ {
struct Packet_ *top;
struct Packet_ *bot;
uint32_t len;
#ifdef DBG_PERF
uint32_t dbg_maxlen;
#endif /* DBG_PERF */
} PacketQueueNoLock;
/** \brief simple fifo queue for packets with mutex and cond
* Calling the mutex or triggering the cond is responsibility of the caller
*
* \note PacketQueueNoLock and PacketQueue need to keep identical
* layouts except for the mutex_q and cond_q fields.
*/
typedef struct PacketQueue_ {
struct Packet_ *top;
struct Packet_ *bot;
uint32_t len;
#ifdef DBG_PERF
uint32_t dbg_maxlen;
#endif /* DBG_PERF */
SCMutex mutex_q;
SCCondT cond_q;
} PacketQueue;
void PacketEnqueueNoLock(PacketQueueNoLock *qnl, struct Packet_ *p);
void PacketEnqueue (PacketQueue *, struct Packet_ *);
struct Packet_ *PacketDequeueNoLock (PacketQueueNoLock *qnl);
struct Packet_ *PacketDequeue (PacketQueue *);
PacketQueue *PacketQueueAlloc(void);
void PacketQueueFree(PacketQueue *);
#endif /* __PACKET_QUEUE_H__ */
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