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Diffstat (limited to 'framework/src/suricata/src/host-queue.h')
-rw-r--r-- | framework/src/suricata/src/host-queue.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/framework/src/suricata/src/host-queue.h b/framework/src/suricata/src/host-queue.h new file mode 100644 index 00000000..386d0f6e --- /dev/null +++ b/framework/src/suricata/src/host-queue.h @@ -0,0 +1,84 @@ +/* Copyright (C) 2007-2012 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 __HOST_QUEUE_H__ +#define __HOST_QUEUE_H__ + +#include "suricata-common.h" +#include "host.h" + +/** Spinlocks or Mutex for the host queues. */ +//#define HQLOCK_SPIN +#define HQLOCK_MUTEX + +#ifdef HQLOCK_SPIN + #ifdef HQLOCK_MUTEX + #error Cannot enable both HQLOCK_SPIN and HQLOCK_MUTEX + #endif +#endif + +/* Define a queue for storing hosts */ +typedef struct HostQueue_ +{ + Host *top; + Host *bot; + uint32_t len; +#ifdef DBG_PERF + uint32_t dbg_maxlen; +#endif /* DBG_PERF */ +#ifdef HQLOCK_MUTEX + SCMutex m; +#elif defined HQLOCK_SPIN + SCSpinlock s; +#else + #error Enable HQLOCK_SPIN or HQLOCK_MUTEX +#endif +} HostQueue; + +#ifdef HQLOCK_SPIN + #define HQLOCK_INIT(q) SCSpinInit(&(q)->s, 0) + #define HQLOCK_DESTROY(q) SCSpinDestroy(&(q)->s) + #define HQLOCK_LOCK(q) SCSpinLock(&(q)->s) + #define HQLOCK_TRYLOCK(q) SCSpinTrylock(&(q)->s) + #define HQLOCK_UNLOCK(q) SCSpinUnlock(&(q)->s) +#elif defined HQLOCK_MUTEX + #define HQLOCK_INIT(q) SCMutexInit(&(q)->m, NULL) + #define HQLOCK_DESTROY(q) SCMutexDestroy(&(q)->m) + #define HQLOCK_LOCK(q) SCMutexLock(&(q)->m) + #define HQLOCK_TRYLOCK(q) SCMutexTrylock(&(q)->m) + #define HQLOCK_UNLOCK(q) SCMutexUnlock(&(q)->m) +#else + #error Enable HQLOCK_SPIN or HQLOCK_MUTEX +#endif + +/* prototypes */ +HostQueue *HostQueueNew(); +HostQueue *HostQueueInit(HostQueue *); +void HostQueueDestroy (HostQueue *); + +void HostEnqueue (HostQueue *, Host *); +Host *HostDequeue (HostQueue *); +uint32_t HostQueueLen(HostQueue *); + +#endif /* __HOST_QUEUE_H__ */ + |