Wed Aug 18 22:33:58 2010

Asterisk developer's documentation


app_flash.c File Reference

App to flash a DAHDI trunk. More...

#include "asterisk.h"
#include <dahdi/user.h>
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/translate.h"
#include "asterisk/image.h"

Go to the source code of this file.

Functions

static void __reg_module (void)
static void __unreg_module (void)
static int dahdi_wait_event (int fd)
static int flash_exec (struct ast_channel *chan, void *data)
static int load_module (void)
static int unload_module (void)

Variables

static struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Flash channel application" , .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 = "a9c98e5d177805051735cb5b0b16b0a0" , .load = load_module, .unload = unload_module, }
static char * app = "Flash"
static struct ast_module_infoast_module_info = &__mod_info
static char * descrip
static char * synopsis = "Flashes a DAHDI Trunk"


Detailed Description

App to flash a DAHDI trunk.

Author:
Mark Spencer <markster@digium.com>

Definition in file app_flash.c.


Function Documentation

static void __reg_module ( void   )  [static]

Definition at line 111 of file app_flash.c.

static void __unreg_module ( void   )  [static]

Definition at line 111 of file app_flash.c.

static int dahdi_wait_event ( int  fd  )  [inline, static]

Definition at line 57 of file app_flash.c.

00058 {
00059    /* Avoid the silly dahdi_waitevent which ignores a bunch of events */
00060    int i,j=0;
00061    i = DAHDI_IOMUX_SIGEVENT;
00062    if (ioctl(fd, DAHDI_IOMUX, &i) == -1) return -1;
00063    if (ioctl(fd, DAHDI_GETEVENT, &j) == -1) return -1;
00064    return j;
00065 }

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

Definition at line 67 of file app_flash.c.

References ast_log(), ast_safe_sleep(), ast_verb, chan, dahdi_wait_event(), errno, ast_channel::fds, LOG_WARNING, ast_channel::name, ast_channel::tech, and ast_channel_tech::type.

Referenced by load_module().

00068 {
00069    int res = -1;
00070    int x;
00071    struct dahdi_params dahdip;
00072 
00073    if (strcasecmp(chan->tech->type, "DAHDI")) {
00074       ast_log(LOG_WARNING, "%s is not a DAHDI channel\n", chan->name);
00075       return -1;
00076    }
00077    
00078    memset(&dahdip, 0, sizeof(dahdip));
00079    res = ioctl(chan->fds[0], DAHDI_GET_PARAMS, &dahdip);
00080    if (!res) {
00081       if (dahdip.sigtype & __DAHDI_SIG_FXS) {
00082          x = DAHDI_FLASH;
00083          res = ioctl(chan->fds[0], DAHDI_HOOK, &x);
00084          if (!res || (errno == EINPROGRESS)) {
00085             if (res) {
00086                /* Wait for the event to finish */
00087                dahdi_wait_event(chan->fds[0]);
00088             }
00089             res = ast_safe_sleep(chan, 1000);
00090             ast_verb(3, "Flashed channel %s\n", chan->name);
00091          } else
00092             ast_log(LOG_WARNING, "Unable to flash channel %s: %s\n", chan->name, strerror(errno));
00093       } else
00094          ast_log(LOG_WARNING, "%s is not an FXO Channel\n", chan->name);
00095    } else
00096       ast_log(LOG_WARNING, "Unable to get parameters of %s: %s\n", chan->name, strerror(errno));
00097 
00098    return res;
00099 }

static int load_module ( void   )  [static]

Definition at line 106 of file app_flash.c.

References ast_register_application, and flash_exec().

00107 {
00108    return ast_register_application(app, flash_exec, synopsis, descrip);
00109 }

static int unload_module ( void   )  [static]

Definition at line 101 of file app_flash.c.

References ast_unregister_application().

00102 {
00103    return ast_unregister_application(app);
00104 }


Variable Documentation

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Flash channel application" , .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 = "a9c98e5d177805051735cb5b0b16b0a0" , .load = load_module, .unload = unload_module, } [static]

Definition at line 111 of file app_flash.c.

char* app = "Flash" [static]

Definition at line 46 of file app_flash.c.

struct ast_module_info* ast_module_info = &__mod_info [static]

Definition at line 111 of file app_flash.c.

char* descrip [static]

Initial value:

 
"Performs a flash on a DAHDI trunk.  This can be used\n"
"to access features provided on an incoming analogue circuit\n"
"such as conference and call waiting. Use with SendDTMF() to\n"
"perform external transfers\n"

Definition at line 50 of file app_flash.c.

char* synopsis = "Flashes a DAHDI Trunk" [static]

Definition at line 48 of file app_flash.c.


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