Adding upstream version 1:7.0.3.upstream/1%7.0.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 127 insertions, 0 deletions

diff --git a/src/tm-queues.c b/src/tm-queues.c
new file mode 100644
index 0000000..e184ec9
--- /dev/null
+++ b/src/tm-queues.c
@@ -0,0 +1,127 @@
+/* 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>
+ *
+ * Thread module management functions
+ */
+
+#include "suricata.h"
+#include "threads.h"
+#include "tm-queues.h"
+#include "util-debug.h"
+
+static TAILQ_HEAD(TmqList_, Tmq_) tmq_list = TAILQ_HEAD_INITIALIZER(tmq_list);
+
+static uint16_t tmq_id = 0;
+
+Tmq *TmqCreateQueue(const char *name)
+{
+    Tmq *q = SCCalloc(1, sizeof(*q));
+    if (q == NULL)
+        FatalError("SCCalloc failed");
+
+    q->name = SCStrdup(name);
+    if (q->name == NULL)
+        FatalError("SCStrdup failed");
+
+    q->id = tmq_id++;
+    q->is_packet_pool = (strcmp(q->name, "packetpool") == 0);
+    if (!q->is_packet_pool) {
+        q->pq = PacketQueueAlloc();
+        if (q->pq == NULL)
+            FatalError("PacketQueueAlloc failed");
+    }
+
+    TAILQ_INSERT_HEAD(&tmq_list, q, next);
+
+    SCLogDebug("created queue \'%s\', %p", name, q);
+    return q;
+}
+
+Tmq *TmqGetQueueByName(const char *name)
+{
+    Tmq *tmq = NULL;
+    TAILQ_FOREACH(tmq, &tmq_list, next) {
+        if (strcmp(tmq->name, name) == 0)
+            return tmq;
+    }
+    return NULL;
+}
+
+void TmqDebugList(void)
+{
+    Tmq *tmq = NULL;
+    TAILQ_FOREACH(tmq, &tmq_list, next) {
+        /* get a lock accessing the len */
+        SCMutexLock(&tmq->pq->mutex_q);
+        printf("TmqDebugList: id %" PRIu32 ", name \'%s\', len %" PRIu32 "\n", tmq->id, tmq->name, tmq->pq->len);
+        SCMutexUnlock(&tmq->pq->mutex_q);
+    }
+}
+
+void TmqResetQueues(void)
+{
+    Tmq *tmq;
+
+    while ((tmq = TAILQ_FIRST(&tmq_list))) {
+        TAILQ_REMOVE(&tmq_list, tmq, next);
+        if (tmq->name) {
+            SCFree(tmq->name);
+        }
+        if (tmq->pq) {
+            PacketQueueFree(tmq->pq);
+        }
+        SCFree(tmq);
+    }
+    tmq_id = 0;
+}
+
+/**
+ * \brief Checks if all the queues allocated so far have at least one reader
+ *        and writer.
+ */
+void TmValidateQueueState(void)
+{
+    bool err = false;
+
+    Tmq *tmq = NULL;
+    TAILQ_FOREACH(tmq, &tmq_list, next) {
+        SCMutexLock(&tmq->pq->mutex_q);
+        if (tmq->reader_cnt == 0) {
+            SCLogError("queue \"%s\" doesn't have a reader (id %d max %u)", tmq->name, tmq->id,
+                    tmq_id);
+            err = true;
+        } else if (tmq->writer_cnt == 0) {
+            SCLogError("queue \"%s\" doesn't have a writer (id %d, max %u)", tmq->name, tmq->id,
+                    tmq_id);
+            err = true;
+        }
+        SCMutexUnlock(&tmq->pq->mutex_q);
+
+        if (err == true)
+            goto error;
+    }
+
+    return;
+
+error:
+    FatalError("fatal error during threading setup");
+}