diff options
author | oej <oej@f38db490-d61c-443f-a65b-d21fe96a405b> | 2006-10-30 21:48:41 +0000 |
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committer | oej <oej@f38db490-d61c-443f-a65b-d21fe96a405b> | 2006-10-30 21:48:41 +0000 |
commit | eb896134ce40c3124edb593bf9f291f2a2241909 (patch) | |
tree | 55bf4b5c1c9abf5a43863e3f5bb7fbf100ff7759 /funcs | |
parent | 5eadfaeff549cc20b1602c727922bd8ca58d2968 (diff) |
Adding dialplan function IFMODULE, so you can create dialplans that handle
various PBX installations and checks if a module is loaded before using
it.
example IFMODULE(chan_sip3.so)
issue #6671 in the bug tracker, finally gone. Thanks to mithraen for keeping
it updated.
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@46513 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'funcs')
-rw-r--r-- | funcs/func_module.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/funcs/func_module.c b/funcs/func_module.c new file mode 100644 index 000000000..09d27a0d6 --- /dev/null +++ b/funcs/func_module.c @@ -0,0 +1,77 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 1999 - 2006, Digium, Inc. + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ + +/*! \file + * + * \brief Simple module check function + * \author Olle E. Johansson, Edvina.net + */ +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include "asterisk/module.h" +#include "asterisk/channel.h" +#include "asterisk/pbx.h" +#include "asterisk/logger.h" +#include "asterisk/utils.h" +#include "asterisk/app.h" +#include "asterisk/module.h" + +static int ifmodule_read(struct ast_channel *chan, char *cmd, char *data, + char *buf, size_t len) +{ + char *ret = "0"; + + *buf = '\0'; + + if (data) + if (ast_module_check(data)) + ret = "1"; + + ast_copy_string(buf, ret, len); + + return 0; +} + +static struct ast_custom_function ifmodule_function = { + .name = "IFMODULE", + .synopsis = "Checks if an Asterisk module is loaded in memory", + .syntax = "IFMODULE(<modulename.so>)", + .read = ifmodule_read, + .desc = "Checks if a module is loaded. Use the full module name\n" + "as shown by the list in \"show modules\". \n" + "Returns \"1\" if module exists in memory, otherwise \"0\".\n", +}; + + +static int unload_module(void) +{ + return ast_custom_function_unregister(&ifmodule_function); +} + +static int load_module(void) +{ + return ast_custom_function_register(&ifmodule_function); +} + +AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Checks if Asterisk module is loaded in memory"); |