func_extstate.c File Reference

Get the state of a hinted extension for dialplan control. More...

#include "asterisk.h"
#include "asterisk/module.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/utils.h"
#include "asterisk/devicestate.h"

Include dependency graph for func_extstate.c:

Go to the source code of this file.

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
static const char *	ast_extstate_str (int state)
struct ast_module *	AST_MODULE_SELF_SYM (void)
static int	extstate_read (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
static int	load_module (void)
static int	unload_module (void)

Variables
static struct ast_module_info	__mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Gets an extension's state in the dialplan" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = "30ef0c93b36035ec78c9cfd712d36d9b" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, }
static const struct ast_module_info *	ast_module_info = &__mod_info
static struct ast_custom_function	extstate_function

Detailed Description

Get the state of a hinted extension for dialplan control.

Author

Adam Gundy adam@.nosp@m.star.nosp@m.silk..nosp@m.net

Definition in file func_extstate.c.

Function Documentation

__reg_module()

static void __reg_module ( void  )

static

Definition at line 148 of file func_extstate.c.

__unreg_module()

static void __unreg_module ( void  )

static

Definition at line 148 of file func_extstate.c.

ast_extstate_str()

static const char* ast_extstate_str ( int  state )

static

Definition at line 64 of file func_extstate.c.

References AST_EXTENSION_BUSY, AST_EXTENSION_INUSE, AST_EXTENSION_NOT_INUSE, AST_EXTENSION_ONHOLD, AST_EXTENSION_RINGING, and AST_EXTENSION_UNAVAILABLE.

Referenced by extstate_read().

{
   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;
}

AST_MODULE_SELF_SYM()

struct ast_module* AST_MODULE_SELF_SYM

(

void

)

Definition at line 148 of file func_extstate.c.

extstate_read()

static int extstate_read ( struct ast_channel *  chan, const char *  cmd, char *  data, char *  buf, size_t  len  )

static

Definition at line 98 of file func_extstate.c.

References ast_copy_string(), ast_extension_state(), ast_extstate_str(), ast_log, ast_strlen_zero, context, exten, LOG_WARNING, and strsep().

{
   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;
}

load_module()

static int load_module ( void  )

static

Definition at line 139 of file func_extstate.c.

References ast_custom_function_register, AST_MODULE_LOAD_DECLINE, and AST_MODULE_LOAD_SUCCESS.

{
   int res;

   res = ast_custom_function_register(&extstate_function);

   return res ? AST_MODULE_LOAD_DECLINE : AST_MODULE_LOAD_SUCCESS;
}

unload_module()

static int unload_module ( void  )

static

Definition at line 130 of file func_extstate.c.

References ast_custom_function_unregister().

{
   int res;

   res = ast_custom_function_unregister(&extstate_function);

   return res;
}

Variable Documentation

__mod_info

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Gets an extension's state in the dialplan" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = "30ef0c93b36035ec78c9cfd712d36d9b" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, }

static

Definition at line 148 of file func_extstate.c.

ast_module_info

const struct ast_module_info* ast_module_info = &__mod_info

static

Definition at line 148 of file func_extstate.c.

extstate_function

struct ast_custom_function extstate_function

static

Initial value:

= {
   .name = "EXTENSION_STATE",
   .read = extstate_read,
   .read_max = 12,
}

Definition at line 124 of file func_extstate.c.