aboutsummaryrefslogtreecommitdiffstats
path: root/src/worker_util.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/worker_util.c')
-rw-r--r--src/worker_util.c213
1 files changed, 213 insertions, 0 deletions
diff --git a/src/worker_util.c b/src/worker_util.c
new file mode 100644
index 000000000..ba4444485
--- /dev/null
+++ b/src/worker_util.c
@@ -0,0 +1,213 @@
+/* Copyright (c) 2010-2011, Vsevolod Stakhov
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "main.h"
+#include "message.h"
+
+extern struct rspamd_main *rspamd_main;
+
+/*
+ * Destructor for recipients list in a task
+ */
+static void
+rcpt_destruct (void *pointer)
+{
+ struct worker_task *task = (struct worker_task *) pointer;
+
+ if (task->rcpt) {
+ g_list_free (task->rcpt);
+ }
+}
+
+/*
+ * Create new task
+ */
+struct worker_task *
+construct_task (struct rspamd_worker *worker)
+{
+ struct worker_task *new_task;
+
+ new_task = g_slice_alloc0 (sizeof (struct worker_task));
+
+ new_task->worker = worker;
+ new_task->state = READ_COMMAND;
+ new_task->cfg = worker->srv->cfg;
+ new_task->view_checked = FALSE;
+#ifdef HAVE_CLOCK_GETTIME
+# ifdef HAVE_CLOCK_PROCESS_CPUTIME_ID
+ clock_gettime (CLOCK_PROCESS_CPUTIME_ID, &new_task->ts);
+# elif defined(HAVE_CLOCK_VIRTUAL)
+ clock_gettime (CLOCK_VIRTUAL, &new_task->ts);
+# else
+ clock_gettime (CLOCK_REALTIME, &new_task->ts);
+# endif
+#endif
+ if (gettimeofday (&new_task->tv, NULL) == -1) {
+ msg_warn ("gettimeofday failed: %s", strerror (errno));
+ }
+
+ new_task->task_pool = memory_pool_new (memory_pool_get_size ());
+
+ /* Add destructor for recipients list (it would be better to use anonymous function here */
+ memory_pool_add_destructor (new_task->task_pool,
+ (pool_destruct_func) rcpt_destruct, new_task);
+ new_task->results = g_hash_table_new (g_str_hash, g_str_equal);
+ memory_pool_add_destructor (new_task->task_pool,
+ (pool_destruct_func) g_hash_table_destroy,
+ new_task->results);
+ new_task->re_cache = g_hash_table_new (g_str_hash, g_str_equal);
+ memory_pool_add_destructor (new_task->task_pool,
+ (pool_destruct_func) g_hash_table_destroy,
+ new_task->re_cache);
+ new_task->raw_headers = g_hash_table_new (rspamd_strcase_hash, rspamd_strcase_equal);
+ memory_pool_add_destructor (new_task->task_pool,
+ (pool_destruct_func) g_hash_table_destroy,
+ new_task->raw_headers);
+ new_task->emails = g_tree_new (compare_email_func);
+ memory_pool_add_destructor (new_task->task_pool,
+ (pool_destruct_func) g_tree_destroy,
+ new_task->emails);
+ new_task->urls = g_tree_new (compare_url_func);
+ memory_pool_add_destructor (new_task->task_pool,
+ (pool_destruct_func) g_tree_destroy,
+ new_task->urls);
+ new_task->sock = -1;
+ new_task->is_mime = TRUE;
+ new_task->pre_result.action = METRIC_ACTION_NOACTION;
+
+ return new_task;
+}
+
+/**
+ * Return worker's control structure by its type
+ * @param type
+ * @return worker's control structure or NULL
+ */
+worker_t*
+get_worker_by_type (GQuark type)
+{
+ worker_t **cur;
+
+ cur = &workers[0];
+ while (*cur) {
+ if (g_quark_from_string ((*cur)->name) == type) {
+ return *cur;
+ }
+ cur ++;
+ }
+
+ return NULL;
+}
+
+
+/*
+ * Free all structures of worker_task
+ */
+void
+free_task (struct worker_task *task, gboolean is_soft)
+{
+ GList *part;
+ struct mime_part *p;
+
+ if (task) {
+ debug_task ("free pointer %p", task);
+ while ((part = g_list_first (task->parts))) {
+ task->parts = g_list_remove_link (task->parts, part);
+ p = (struct mime_part *) part->data;
+ g_byte_array_free (p->content, TRUE);
+ g_list_free_1 (part);
+ }
+ if (task->text_parts) {
+ g_list_free (task->text_parts);
+ }
+ if (task->images) {
+ g_list_free (task->images);
+ }
+ if (task->messages) {
+ g_list_free (task->messages);
+ }
+ if (task->received) {
+ g_list_free (task->received);
+ }
+ memory_pool_delete (task->task_pool);
+ if (task->dispatcher) {
+ if (is_soft) {
+ /* Plan dispatcher shutdown */
+ task->dispatcher->wanna_die = 1;
+ }
+ else {
+ rspamd_remove_dispatcher (task->dispatcher);
+ }
+ }
+ if (task->sock != -1) {
+ close (task->sock);
+ }
+ g_slice_free1 (sizeof (struct worker_task), task);
+ }
+}
+
+void
+free_task_hard (gpointer ud)
+{
+ struct worker_task *task = ud;
+
+ free_task (task, FALSE);
+}
+
+void
+free_task_soft (gpointer ud)
+{
+ struct worker_task *task = ud;
+
+ free_task (task, FALSE);
+}
+
+double
+set_counter (const gchar *name, guint32 value)
+{
+ struct counter_data *cd;
+ double alpha;
+ gchar *key;
+
+ cd = rspamd_hash_lookup (rspamd_main->counters, (gpointer) name);
+
+ if (cd == NULL) {
+ cd = memory_pool_alloc_shared (rspamd_main->counters->pool, sizeof (struct counter_data));
+ cd->value = value;
+ cd->number = 0;
+ key = memory_pool_strdup_shared (rspamd_main->counters->pool, name);
+ rspamd_hash_insert (rspamd_main->counters, (gpointer) key, (gpointer) cd);
+ }
+ else {
+ /* Calculate new value */
+ memory_pool_wlock_rwlock (rspamd_main->counters->lock);
+
+ alpha = 2. / (++cd->number + 1);
+ cd->value = cd->value * (1. - alpha) + value * alpha;
+
+ memory_pool_wunlock_rwlock (rspamd_main->counters->lock);
+ }
+
+ return cd->value;
+}