app_transfer.c File Reference

Transfer a caller. More...

#include "asterisk.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/app.h"
#include "asterisk/channel.h"

Include dependency graph for app_transfer.c:

Go to the source code of this file.

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
static int	load_module (void)
static int	transfer_exec (struct ast_channel *chan, const char *data)
static int	unload_module (void)
Variables
static struct ast_module_info	__mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Transfers a caller to another extension" , .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 = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, }
static const char *const	app = "Transfer"
static struct ast_module_info *	ast_module_info = &__mod_info

---

Detailed Description

Transfer a caller.

Author:

Mark Spencer <markster@digium.com>

Requires transfer support from channel driver

Definition in file app_transfer.c.

---

Function Documentation

static void __reg_module

(

void

)

[static]

Definition at line 146 of file app_transfer.c.

static void __unreg_module

(

void

)

[static]

Definition at line 146 of file app_transfer.c.

static int load_module

(

void

)

[static]

Definition at line 141 of file app_transfer.c.

References ast_register_application_xml, and transfer_exec().

{
   return ast_register_application_xml(app, transfer_exec);
}

static int transfer_exec	(	struct ast_channel *	chan,
		const char *	data
	)		[static]

Definition at line 81 of file app_transfer.c.

References args, AST_APP_ARG, AST_DECLARE_APP_ARGS, ast_log(), AST_STANDARD_APP_ARGS, ast_strdupa, ast_strlen_zero(), ast_transfer(), len(), LOG_WARNING, parse(), pbx_builtin_setvar_helper(), status, ast_channel::tech, ast_channel_tech::transfer, and ast_channel_tech::type.

Referenced by load_module().

{
   int res;
   int len;
   char *slash;
   char *tech = NULL;
   char *dest = NULL;
   char *status;
   char *parse;
   AST_DECLARE_APP_ARGS(args,
      AST_APP_ARG(dest);
   );

   if (ast_strlen_zero((char *)data)) {
      ast_log(LOG_WARNING, "Transfer requires an argument ([Tech/]destination)\n");
      pbx_builtin_setvar_helper(chan, "TRANSFERSTATUS", "FAILURE");
      return 0;
   } else
      parse = ast_strdupa(data);

   AST_STANDARD_APP_ARGS(args, parse);

   dest = args.dest;

   if ((slash = strchr(dest, '/')) && (len = (slash - dest))) {
      tech = dest;
      dest = slash + 1;
      /* Allow execution only if the Tech/destination agrees with the type of the channel */
      if (strncasecmp(chan->tech->type, tech, len)) {
         pbx_builtin_setvar_helper(chan, "TRANSFERSTATUS", "FAILURE");
         return 0;
      }
   }

   /* Check if the channel supports transfer before we try it */
   if (!chan->tech->transfer) {
      pbx_builtin_setvar_helper(chan, "TRANSFERSTATUS", "UNSUPPORTED");
      return 0;
   }

   res = ast_transfer(chan, dest);

   if (res < 0) {
      status = "FAILURE";
      res = 0;
   } else {
      status = "SUCCESS";
      res = 0;
   }

   pbx_builtin_setvar_helper(chan, "TRANSFERSTATUS", status);

   return res;
}

static int unload_module

(

void

)

[static]

Definition at line 136 of file app_transfer.c.

References ast_unregister_application().

{
   return ast_unregister_application(app);
}

---

Variable Documentation

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Transfers a caller to another extension" , .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 = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, } [static]

Definition at line 146 of file app_transfer.c.

const char* const app = "Transfer" [static]

Definition at line 79 of file app_transfer.c.

struct ast_module_info* ast_module_info = &__mod_info [static]

Definition at line 146 of file app_transfer.c.