Thu Jul 9 13:40:50 2009

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, 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 = "068e67f60f50dd9ee86464c05884a49d" , .load = load_module, .unload = unload_module, }
static const char * app = "Transfer"
static const struct ast_module_infoast_module_info = &__mod_info
static const char * descrip
static const char * synopsis = "Transfer caller to remote extension"


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 125 of file app_transfer.c.

static void __unreg_module ( void   )  [static]

Definition at line 125 of file app_transfer.c.

static int load_module ( void   )  [static]

Definition at line 120 of file app_transfer.c.

References ast_register_application, and transfer_exec().

00121 {
00122    return ast_register_application(app, transfer_exec, synopsis, descrip);
00123 }

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

Definition at line 56 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(), chan, 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().

00057 {
00058    int res;
00059    int len;
00060    char *slash;
00061    char *tech = NULL;
00062    char *dest = NULL;
00063    char *status;
00064    char *parse;
00065    AST_DECLARE_APP_ARGS(args,
00066       AST_APP_ARG(dest);
00067       AST_APP_ARG(options);
00068    );
00069 
00070    if (ast_strlen_zero((char *)data)) {
00071       ast_log(LOG_WARNING, "Transfer requires an argument ([Tech/]destination[,options])\n");
00072       pbx_builtin_setvar_helper(chan, "TRANSFERSTATUS", "FAILURE");
00073       return 0;
00074    } else
00075       parse = ast_strdupa(data);
00076 
00077    AST_STANDARD_APP_ARGS(args, parse);
00078 
00079    if (args.options) {
00080    }
00081 
00082    dest = args.dest;
00083 
00084    if ((slash = strchr(dest, '/')) && (len = (slash - dest))) {
00085       tech = dest;
00086       dest = slash + 1;
00087       /* Allow execution only if the Tech/destination agrees with the type of the channel */
00088       if (strncasecmp(chan->tech->type, tech, len)) {
00089          pbx_builtin_setvar_helper(chan, "TRANSFERSTATUS", "FAILURE");
00090          return 0;
00091       }
00092    }
00093 
00094    /* Check if the channel supports transfer before we try it */
00095    if (!chan->tech->transfer) {
00096       pbx_builtin_setvar_helper(chan, "TRANSFERSTATUS", "UNSUPPORTED");
00097       return 0;
00098    }
00099 
00100    res = ast_transfer(chan, dest);
00101 
00102    if (res < 0) {
00103       status = "FAILURE";
00104       res = 0;
00105    } else {
00106       status = "SUCCESS";
00107       res = 0;
00108    }
00109 
00110    pbx_builtin_setvar_helper(chan, "TRANSFERSTATUS", status);
00111 
00112    return res;
00113 }

static int unload_module ( void   )  [static]

Definition at line 115 of file app_transfer.c.

References ast_unregister_application().

00116 {
00117    return ast_unregister_application(app);
00118 }


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 = "068e67f60f50dd9ee86464c05884a49d" , .load = load_module, .unload = unload_module, } [static]

Definition at line 125 of file app_transfer.c.

const char* app = "Transfer" [static]

Definition at line 40 of file app_transfer.c.

const struct ast_module_info* ast_module_info = &__mod_info [static]

Definition at line 125 of file app_transfer.c.

const char* descrip [static]

Definition at line 44 of file app_transfer.c.

const char* synopsis = "Transfer caller to remote extension" [static]

Definition at line 42 of file app_transfer.c.


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