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author | russell <russell@f38db490-d61c-443f-a65b-d21fe96a405b> | 2008-01-19 00:19:29 +0000 |
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committer | russell <russell@f38db490-d61c-443f-a65b-d21fe96a405b> | 2008-01-19 00:19:29 +0000 |
commit | f8247040e6231c4b3b5099ea3a526348b7941566 (patch) | |
tree | 0cc92ad6ebf6ae49a62f6e7ef8ec819121d63630 /trunk/funcs/func_extstate.c | |
parent | d88e56c61ce2042544c1a8a71c93b69ab2e6ffba (diff) |
Creating tag for the release of asterisk-1.6.0-beta1v1.6.0-beta1
git-svn-id: http://svn.digium.com/svn/asterisk/tags/1.6.0-beta1@99163 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'trunk/funcs/func_extstate.c')
-rw-r--r-- | trunk/funcs/func_extstate.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/trunk/funcs/func_extstate.c b/trunk/funcs/func_extstate.c new file mode 100644 index 000000000..8866d89b9 --- /dev/null +++ b/trunk/funcs/func_extstate.c @@ -0,0 +1,133 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 2007, Digium, Inc. + * + * Modified from func_devstate.c by Russell Bryant <russell@digium.com> + * Adam Gundy <adam@starsilk.net> + + * 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 Get the state of a hinted extension for dialplan control + * + * \author Adam Gundy <adam@starsilk.net> + * + * \ingroup functions + */ + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include "asterisk/module.h" +#include "asterisk/channel.h" +#include "asterisk/pbx.h" +#include "asterisk/utils.h" +#include "asterisk/devicestate.h" + +static const char *ast_extstate_str(int state) +{ + const char *res = "UNKNOWN"; + + switch (state) { + case AST_EXTENSION_NOT_INUSE: + res = "NOT_INUSE"; + break; + case AST_EXTENSION_INUSE: + res = "INUSE"; + break; + case AST_EXTENSION_BUSY: + res = "BUSY"; + break; + case AST_EXTENSION_UNAVAILABLE: + res = "UNAVAILABLE"; + break; + case AST_EXTENSION_RINGING: + res = "RINGING"; + break; + case AST_EXTENSION_INUSE | AST_EXTENSION_RINGING: + res = "RINGINUSE"; + break; + case AST_EXTENSION_INUSE | AST_EXTENSION_ONHOLD: + res = "HOLDINUSE"; + break; + case AST_EXTENSION_ONHOLD: + res = "ONHOLD"; + break; + } + + return res; +} + +static int extstate_read(struct ast_channel *chan, const char *cmd, char *data, + char *buf, size_t len) +{ + char *exten, *context; + + if (ast_strlen_zero(data)) { + ast_log(LOG_WARNING, "EXTENSION_STATE requires an extension\n"); + return -1; + } + + context = exten = data; + strsep(&context, "@"); + if (ast_strlen_zero(context)) + context = "default"; + + if (ast_strlen_zero(exten)) { + ast_log(LOG_WARNING, "EXTENSION_STATE requires an extension\n"); + return -1; + } + + ast_copy_string(buf, + ast_extstate_str(ast_extension_state(chan, context, exten)), len); + + return 0; +} + +static struct ast_custom_function extstate_function = { + .name = "EXTENSION_STATE", + .synopsis = "Get an extension's state", + .syntax = "EXTENSION_STATE(extension[@context])", + .desc = + " The EXTENSION_STATE function can be used to retrieve the state from any\n" + "hinted extension. For example:\n" + " NoOp(1234@default has state ${EXTENSION_STATE(1234)})\n" + " NoOp(4567@home has state ${EXTENSION_STATE(4567@home)})\n" + "\n" + " The possible values returned by this function are:\n" + "UNKNOWN | NOT_INUSE | INUSE | BUSY | INVALID | UNAVAILABLE | RINGING\n" + "RINGINUSE | HOLDINUSE | ONHOLD\n", + .read = extstate_read, +}; + +static int unload_module(void) +{ + int res; + + res = ast_custom_function_unregister(&extstate_function); + + return res; +} + +static int load_module(void) +{ + int res; + + res = ast_custom_function_register(&extstate_function); + + return res ? AST_MODULE_LOAD_DECLINE : AST_MODULE_LOAD_SUCCESS; +} + +AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Gets an extension's state in the dialplan"); |