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c7857504df
Update and extend the configuration_file group and enable linking to the resource. Update title that was left behind many years ago. (issue ASTERISK-20259) git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@375003 65c4cc65-6c06-0410-ace0-fbb531ad65f3
104 lines
2.5 KiB
C
104 lines
2.5 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (c) 2008, Digium, Inc.
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*
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* Tilghman Lesher <res_curl_v1@the-tilghman.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief curl resource engine
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*
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* \author Tilghman Lesher <res_curl_v1@the-tilghman.com>
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*
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* Depends on the CURL library - http://curl.haxx.se/
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*
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*/
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/*! \li \ref res_curl.c uses the configuration file \ref res_curl.conf
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* \addtogroup configuration_file Configuration Files
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*/
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/*!
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* \page res_curl.conf res_curl.conf
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* \verbinclude res_curl.conf.sample
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*/
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/*** MODULEINFO
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<depend>curl</depend>
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include <curl/curl.h>
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#include "asterisk/module.h"
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static const char *dependents[] = {
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"func_curl.so",
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"res_config_curl.so",
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};
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static int unload_module(void)
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{
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int res = 0;
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size_t i;
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/* If the dependent modules are still in memory, forbid unload */
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for (i = 0; i < ARRAY_LEN(dependents); i++) {
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if (ast_module_check(dependents[i])) {
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ast_log(LOG_ERROR, "%s (dependent module) is still loaded. Cannot unload res_curl.so\n", dependents[i]);
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res = -1;
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}
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}
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if (res)
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return -1;
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curl_global_cleanup();
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return res;
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}
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/*!
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* \brief Load the module
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*
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* Module loading including tests for configuration or dependencies.
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* This function can return AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_DECLINE,
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* or AST_MODULE_LOAD_SUCCESS. If a dependency or environment variable fails
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* tests return AST_MODULE_LOAD_FAILURE. If the module can not load the
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* configuration file or other non-critical problem return
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* AST_MODULE_LOAD_DECLINE. On success return AST_MODULE_LOAD_SUCCESS.
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*/
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static int load_module(void)
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{
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int res = 0;
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if (curl_global_init(CURL_GLOBAL_ALL)) {
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ast_log(LOG_ERROR, "Unable to initialize the cURL library. Cannot load res_curl.so\n");
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return AST_MODULE_LOAD_DECLINE;
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}
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return res;
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}
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AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "cURL Resource Module",
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.load = load_module,
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.unload = unload_module,
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.load_pri = AST_MODPRI_REALTIME_DEPEND,
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);
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