Fri Jul 15 2011 11:59:23

Asterisk developer's documentation


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, void *data)
static int unload_module (void)

Variables

static struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .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, }
static const char * app = "Transfer"
static struct ast_module_infoast_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 142 of file app_transfer.c.

static void __unreg_module ( void  ) [static]

Definition at line 142 of file app_transfer.c.

static int load_module ( void  ) [static]
static int transfer_exec ( struct ast_channel chan,
void *  data 
) [static]

Definition at line 77 of file app_transfer.c.

References 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 132 of file app_transfer.c.

References ast_unregister_application().


Variable Documentation

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .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, } [static]

Definition at line 142 of file app_transfer.c.

const char* app = "Transfer" [static]

Definition at line 75 of file app_transfer.c.

Definition at line 142 of file app_transfer.c.