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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 17:39:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 17:39:49 +0000 |
commit | a0aa2307322cd47bbf416810ac0292925e03be87 (patch) | |
tree | 37076262a026c4b48c8a0e84f44ff9187556ca35 /src/tmqh-simple.c | |
parent | Initial commit. (diff) | |
download | suricata-a0aa2307322cd47bbf416810ac0292925e03be87.tar.xz suricata-a0aa2307322cd47bbf416810ac0292925e03be87.zip |
Adding upstream version 1:7.0.3.upstream/1%7.0.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tmqh-simple.c')
-rw-r--r-- | src/tmqh-simple.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/tmqh-simple.c b/src/tmqh-simple.c new file mode 100644 index 0000000..47faed5 --- /dev/null +++ b/src/tmqh-simple.c @@ -0,0 +1,94 @@ +/* Copyright (C) 2007-2013 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> + * + * Simple queue handler + */ + +#include "suricata.h" +#include "packet-queue.h" +#include "decode.h" +#include "threads.h" +#include "threadvars.h" + +#include "tm-queuehandlers.h" +#include "tmqh-simple.h" + +Packet *TmqhInputSimple(ThreadVars *t); +void TmqhOutputSimple(ThreadVars *t, Packet *p); +void TmqhInputSimpleShutdownHandler(ThreadVars *); + +void TmqhSimpleRegister (void) +{ + tmqh_table[TMQH_SIMPLE].name = "simple"; + tmqh_table[TMQH_SIMPLE].InHandler = TmqhInputSimple; + tmqh_table[TMQH_SIMPLE].InShutdownHandler = TmqhInputSimpleShutdownHandler; + tmqh_table[TMQH_SIMPLE].OutHandler = TmqhOutputSimple; +} + +Packet *TmqhInputSimple(ThreadVars *t) +{ + PacketQueue *q = t->inq->pq; + + StatsSyncCountersIfSignalled(t); + + SCMutexLock(&q->mutex_q); + + if (q->len == 0) { + /* if we have no packets in queue, wait... */ + SCCondWait(&q->cond_q, &q->mutex_q); + } + + if (q->len > 0) { + Packet *p = PacketDequeue(q); + SCMutexUnlock(&q->mutex_q); + return p; + } else { + /* return NULL if we have no pkt. Should only happen on signals. */ + SCMutexUnlock(&q->mutex_q); + return NULL; + } +} + +void TmqhInputSimpleShutdownHandler(ThreadVars *tv) +{ + int i; + + if (tv == NULL || tv->inq == NULL) { + return; + } + + for (i = 0; i < (tv->inq->reader_cnt + tv->inq->writer_cnt); i++) + SCCondSignal(&tv->inq->pq->cond_q); +} + +void TmqhOutputSimple(ThreadVars *t, Packet *p) +{ + SCLogDebug("Packet %p, p->root %p, alloced %s", p, p->root, BOOL2STR(p->pool == NULL)); + + PacketQueue *q = t->outq->pq; + + SCMutexLock(&q->mutex_q); + PacketEnqueue(q, p); + SCCondSignal(&q->cond_q); + SCMutexUnlock(&q->mutex_q); +} + |