Module: sip-router Branch: master Commit: f7ef19861e2e46eccdace35d8c2656978afd42b0 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=f7ef198… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: Sun Feb 26 12:02:07 2012 +0100 cfgutils: lock/unlock functions exported to inter-module API --- modules_k/cfgutils/api.h | 62 +++++++++++++++++++++++++++++++++++++++++ modules_k/cfgutils/cfgutils.c | 58 +++++++++++++++++++++++++++++++------ 2 files changed, 110 insertions(+), 10 deletions(-) diff --git a/modules_k/cfgutils/api.h b/modules_k/cfgutils/api.h new file mode 100644 index 0000000..25fae2a --- /dev/null +++ b/modules_k/cfgutils/api.h @@ -0,0 +1,62 @@ +/* + * $Id$ + * + * Copyright (C) 2012 Daniel-Constantin Mierla (asipto.com) + * + * This file is part of Kamailio, a free SIP server. + * + * Kamailio is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version + * + * Kamailio 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +#ifndef _CFGUTILS_API_H_ +#define _CFGUTILS_API_H_ + +#include "../../str.h" + +typedef int (*cfgutils_lock_f)(str *lkey); +typedef int (*cfgutils_unlock_f)(str *lkey); + +/** + * @brief CFGUTILS API structure + */ +typedef struct cfgutils_api { + cfgutils_lock_f lock; + cfgutils_unlock_f unlock; +} cfgutils_api_t; + +typedef int (*bind_cfgutils_f)(cfgutils_api_t* api); + +/** + * @brief Load the CFGUTILS API + */ +static inline int cfgutils_load_api(cfgutils_api_t *api) +{ + bind_cfgutils_f bindcfgutils; + + bindcfgutils = (bind_cfgutils_f)find_export("bind_cfgutils", 0, 0); + if(bindcfgutils == 0) { + LM_ERR("cannot find bind_cfgutils\n"); + return -1; + } + if (bindcfgutils(api)<0) + { + LM_ERR("cannot bind cfgutils api\n"); + return -1; + } + return 0; +} + +#endif diff --git a/modules_k/cfgutils/cfgutils.c b/modules_k/cfgutils/cfgutils.c index c44820d..f74ef6e 100644 --- a/modules_k/cfgutils/cfgutils.c +++ b/modules_k/cfgutils/cfgutils.c @@ -76,6 +76,8 @@ #include <sys/stat.h> #include <unistd.h> +#include "api.h" + MODULE_VERSION static int set_prob(struct sip_msg*, char *, char *); @@ -678,16 +680,10 @@ static int dbg_shm_summary(struct sip_msg* msg, char* foo, char* bar) return 1; } -int cfg_lock_helper(struct sip_msg *msg, gparam_p key, int mode) +int cfg_lock_helper(str *lkey, int mode) { - str s; unsigned int pos; - if(fixup_get_svalue(msg, key, &s)!=0) - { - LM_ERR("cannot get first parameter\n"); - return -1; - } - pos = core_case_hash(&s, 0, _cfg_lock_size); + pos = core_case_hash(lkey, 0, _cfg_lock_size); LM_DBG("cfg_lock mode %d on %u\n", mode, pos); if(mode==0) lock_set_get(_cfg_lock_set, pos); @@ -696,18 +692,29 @@ int cfg_lock_helper(struct sip_msg *msg, gparam_p key, int mode) return 1; } +int cfg_lock_wrapper(struct sip_msg *msg, gparam_p key, int mode) +{ + str s; + if(fixup_get_svalue(msg, key, &s)!=0) + { + LM_ERR("cannot get first parameter\n"); + return -1; + } + return cfg_lock_helper(&s, mode); +} + static int cfg_lock(struct sip_msg *msg, char *key, char *s2) { if(_cfg_lock_set==NULL || key==NULL) return -1; - return cfg_lock_helper(msg, (gparam_p)key, 0); + return cfg_lock_wrapper(msg, (gparam_p)key, 0); } static int cfg_unlock(struct sip_msg *msg, char *key, char *s2) { if(_cfg_lock_set==NULL || key==NULL) return -1; - return cfg_lock_helper(msg, (gparam_p)key, 1); + return cfg_lock_wrapper(msg, (gparam_p)key, 1); } @@ -775,3 +782,34 @@ static void mod_destroy(void) lock_set_dealloc(_cfg_lock_set); } } + +/** + * + */ +int cfgutils_lock(str *lkey) +{ + return cfg_lock_helper(lkey, 0); +} + +/** + * + */ +int cfgutils_unlock(str *lkey) +{ + return cfg_lock_helper(lkey, 1); +} + +/** + * @brief bind functions to CFGUTILS API structure + */ +int bind_cfgutils(cfgutils_api_t *api) +{ + if (!api) { + ERR("Invalid parameter value\n"); + return -1; + } + api->lock = cfgutils_lock; + api->unlock = cfgutils_unlock; + + return 0; +}