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/* 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;
if (worker) {
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;
}
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