Fri Aug 24 02:22:36 2007

Asterisk developer's documentation


app_flash.c File Reference

App to flash a zap trunk. More...

#include "asterisk.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <zaptel/zaptel.h>
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/translate.h"
#include "asterisk/image.h"
#include "asterisk/options.h"

Include dependency graph for app_flash.c:

Go to the source code of this file.

Functions

 AST_MODULE_INFO_STANDARD (ASTERISK_GPL_KEY,"Flash channel application")
static int flash_exec (struct ast_channel *chan, void *data)
static int load_module (void)
static int unload_module (void)
static int zt_wait_event (int fd)

Variables

static char * app = "Flash"
static char * descrip
static char * synopsis = "Flashes a Zap Trunk"


Detailed Description

App to flash a zap trunk.

Author:
Mark Spencer <markster@digium.com>

Definition in file app_flash.c.


Function Documentation

AST_MODULE_INFO_STANDARD ( ASTERISK_GPL_KEY  ,
"Flash channel application"   
)

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

Definition at line 73 of file app_flash.c.

References ast_log(), ast_module_user_add, ast_module_user_remove, ast_safe_sleep(), ast_verbose(), ast_channel::fds, LOG_WARNING, option_verbose, ast_channel::tech, ast_channel_tech::type, VERBOSE_PREFIX_3, and zt_wait_event().

Referenced by load_module().

00074 {
00075    int res = -1;
00076    int x;
00077    struct ast_module_user *u;
00078    struct zt_params ztp;
00079    u = ast_module_user_add(chan);
00080    if (!strcasecmp(chan->tech->type, "Zap")) {
00081       memset(&ztp, 0, sizeof(ztp));
00082       res = ioctl(chan->fds[0], ZT_GET_PARAMS, &ztp);
00083       if (!res) {
00084          if (ztp.sigtype & __ZT_SIG_FXS) {
00085             x = ZT_FLASH;
00086             res = ioctl(chan->fds[0], ZT_HOOK, &x);
00087             if (!res || (errno == EINPROGRESS)) {
00088                if (res) {
00089                   /* Wait for the event to finish */
00090                   zt_wait_event(chan->fds[0]);
00091                }
00092                res = ast_safe_sleep(chan, 1000);
00093                if (option_verbose > 2)
00094                   ast_verbose(VERBOSE_PREFIX_3 "Flashed channel %s\n", chan->name);
00095             } else
00096                ast_log(LOG_WARNING, "Unable to flash channel %s: %s\n", chan->name, strerror(errno));
00097          } else
00098             ast_log(LOG_WARNING, "%s is not an FXO Channel\n", chan->name);
00099       } else
00100          ast_log(LOG_WARNING, "Unable to get parameters of %s: %s\n", chan->name, strerror(errno));
00101    } else
00102       ast_log(LOG_WARNING, "%s is not a Zap channel\n", chan->name);
00103    ast_module_user_remove(u);
00104    return res;
00105 }

static int load_module ( void   )  [static]

Definition at line 118 of file app_flash.c.

References ast_register_application(), and flash_exec().

00119 {
00120    return ast_register_application(app, flash_exec, synopsis, descrip);
00121 }

static int unload_module ( void   )  [static]

Definition at line 107 of file app_flash.c.

References ast_module_user_hangup_all, and ast_unregister_application().

00108 {
00109    int res;
00110 
00111    res = ast_unregister_application(app);
00112 
00113    ast_module_user_hangup_all();
00114 
00115    return res;
00116 }

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

Definition at line 63 of file app_flash.c.

00064 {
00065    /* Avoid the silly zt_waitevent which ignores a bunch of events */
00066    int i,j=0;
00067    i = ZT_IOMUX_SIGEVENT;
00068    if (ioctl(fd, ZT_IOMUX, &i) == -1) return -1;
00069    if (ioctl(fd, ZT_GETEVENT, &j) == -1) return -1;
00070    return j;
00071 }


Variable Documentation

char* app = "Flash" [static]

Definition at line 53 of file app_flash.c.

char* descrip [static]

Initial value:

 
"  Flash(): Sends a flash on a zap trunk.  This is only a hack for\n"
"people who want to perform transfers and such via AGI and is generally\n"
"quite useless oths application will only work on Zap trunks.\n"

Definition at line 57 of file app_flash.c.

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

Definition at line 55 of file app_flash.c.


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