Wed Apr 6 11:29:51 2011

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"

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 = "8586c2a7d357cb591cc3a6607a8f62d1" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, }
static const char *const 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]

Definition at line 137 of file app_transfer.c.

References ast_register_application_xml, and transfer_exec().

00138 {
00139    return ast_register_application_xml(app, transfer_exec);
00140 }

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

Definition at line 77 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().

00078 {
00079    int res;
00080    int len;
00081    char *slash;
00082    char *tech = NULL;
00083    char *dest = NULL;
00084    char *status;
00085    char *parse;
00086    AST_DECLARE_APP_ARGS(args,
00087       AST_APP_ARG(dest);
00088    );
00089 
00090    if (ast_strlen_zero((char *)data)) {
00091       ast_log(LOG_WARNING, "Transfer requires an argument ([Tech/]destination)\n");
00092       pbx_builtin_setvar_helper(chan, "TRANSFERSTATUS", "FAILURE");
00093       return 0;
00094    } else
00095       parse = ast_strdupa(data);
00096 
00097    AST_STANDARD_APP_ARGS(args, parse);
00098 
00099    dest = args.dest;
00100 
00101    if ((slash = strchr(dest, '/')) && (len = (slash - dest))) {
00102       tech = dest;
00103       dest = slash + 1;
00104       /* Allow execution only if the Tech/destination agrees with the type of the channel */
00105       if (strncasecmp(chan->tech->type, tech, len)) {
00106          pbx_builtin_setvar_helper(chan, "TRANSFERSTATUS", "FAILURE");
00107          return 0;
00108       }
00109    }
00110 
00111    /* Check if the channel supports transfer before we try it */
00112    if (!chan->tech->transfer) {
00113       pbx_builtin_setvar_helper(chan, "TRANSFERSTATUS", "UNSUPPORTED");
00114       return 0;
00115    }
00116 
00117    res = ast_transfer(chan, dest);
00118 
00119    if (res < 0) {
00120       status = "FAILURE";
00121       res = 0;
00122    } else {
00123       status = "SUCCESS";
00124       res = 0;
00125    }
00126 
00127    pbx_builtin_setvar_helper(chan, "TRANSFERSTATUS", status);
00128 
00129    return res;
00130 }

static int unload_module ( void   )  [static]

Definition at line 132 of file app_transfer.c.

References ast_unregister_application().

00133 {
00134    return ast_unregister_application(app);
00135 }


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 = "8586c2a7d357cb591cc3a6607a8f62d1" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, } [static]

Definition at line 142 of file app_transfer.c.

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

Definition at line 75 of file app_transfer.c.

struct ast_module_info* ast_module_info = &__mod_info [static]

Definition at line 142 of file app_transfer.c.


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