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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* Cherokee
*
* Authors:
* Alvaro Lopez Ortega <alvaro@alobbs.com>
*
* Copyright (C) 2001-2011 Alvaro Lopez Ortega
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include "common-internal.h"
#include "rule_list.h"
#include "util.h"
#include "connection-protected.h"
#include "rule_default.h"
#define ENTRIES "rules"
ret_t
cherokee_rule_list_init (cherokee_rule_list_t *list)
{
ret_t ret;
INIT_LIST_HEAD (&list->rules);
ret = cherokee_rule_default_new (&list->def_rule);
if (ret != ret_ok) return ret;
return ret_ok;
}
ret_t
cherokee_rule_list_mrproper (cherokee_rule_list_t *list)
{
cherokee_list_t *i, *tmp;
list_for_each_safe (i, tmp, &list->rules) {
cherokee_rule_t *rule = list_entry (i, cherokee_rule_t, list_node);
cherokee_rule_free (rule);
}
cherokee_rule_free (list->def_rule);
return ret_ok;
}
static void
update_connection (cherokee_connection_t *conn,
cherokee_config_entry_t *ret_config)
{
if (! conn->auth_type)
conn->auth_type = ret_config->authentication;
if ((conn->expiration == cherokee_expiration_none) &&
(ret_config->expiration != cherokee_expiration_none))
{
conn->expiration = ret_config->expiration;
conn->expiration_time = ret_config->expiration_time;
conn->expiration_prop = ret_config->expiration_prop;
}
if (! NULLI_IS_NULL(ret_config->timeout_lapse)) {
conn->timeout_lapse = ret_config->timeout_lapse;
conn->timeout_header = ret_config->timeout_header;
}
}
ret_t
cherokee_rule_list_match (cherokee_rule_list_t *list,
cherokee_connection_t *conn,
cherokee_config_entry_t *ret_config)
{
ret_t ret;
cherokee_list_t *i;
cherokee_rule_t *rule;
list_for_each (i, &list->rules) {
rule = list_entry (i, cherokee_rule_t, list_node);
TRACE(ENTRIES, "Trying rule prio=%d\n", rule->priority);
/* Does this rule apply
*/
ret = cherokee_rule_match (rule, conn, ret_config);
switch (ret) {
case ret_not_found:
continue;
case ret_ok:
break;
case ret_error:
return ret_error;
default:
RET_UNKNOWN(ret);
}
/* It has matched: apply the config
*/
TRACE(ENTRIES, "Merging rule prio=%d\n", rule->priority);
cherokee_config_entry_complete (ret_config, &rule->config);
/* Should it continue? */
if (rule->final) {
goto out;
}
}
TRACE(ENTRIES, "Did not match any. Using %s\n", "default");
list->def_rule->match(list->def_rule, conn, ret_config);
cherokee_config_entry_complete (ret_config, &list->def_rule->config);
out:
/* Update the connection
*/
update_connection (conn, ret_config);
return ret_ok;
}
ret_t
cherokee_rule_list_add (cherokee_rule_list_t *list, cherokee_rule_t *rule)
{
cherokee_list_add_tail (&rule->list_node, &list->rules);
return ret_ok;
}
static int
rule_cmp (cherokee_list_t *a, cherokee_list_t *b)
{
cherokee_rule_t *A = list_entry (a, cherokee_rule_t, list_node);
cherokee_rule_t *B = list_entry (b, cherokee_rule_t, list_node);
return (B->priority - A->priority);
}
ret_t
cherokee_rule_list_sort (cherokee_rule_list_t *list)
{
#ifdef TRACE_ENABLED
{
cherokee_list_t *i;
cuint_t n = 0;
list_for_each (i, &list->rules) { n++; }
TRACE(ENTRIES, "Sorting %d rules\n", n);
}
#endif
cherokee_list_sort (&list->rules, rule_cmp);
return ret_ok;
}
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