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asterisk/apps/app_flash.c

142 lines
3.2 KiB
C

/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2005, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief App to flash a zap trunk
*
* \ingroup applications
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <sys/ioctl.h>
#ifdef __linux__
#include <linux/zaptel.h>
#else
#include <zaptel.h>
#endif /* __linux__ */
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#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"
static char *tdesc = "Flash zap trunk application";
static char *app = "Flash";
static char *synopsis = "Flashes a Zap Trunk";
static char *descrip =
" 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";
STANDARD_LOCAL_USER;
LOCAL_USER_DECL;
static inline int zt_wait_event(int fd)
{
/* Avoid the silly zt_waitevent which ignores a bunch of events */
int i,j=0;
i = ZT_IOMUX_SIGEVENT;
if (ioctl(fd, ZT_IOMUX, &i) == -1) return -1;
if (ioctl(fd, ZT_GETEVENT, &j) == -1) return -1;
return j;
}
static int flash_exec(struct ast_channel *chan, void *data)
{
int res = -1;
int x;
struct localuser *u;
struct zt_params ztp;
LOCAL_USER_ADD(u);
if (!strcasecmp(chan->type, "Zap")) {
memset(&ztp, 0, sizeof(ztp));
res = ioctl(chan->fds[0], ZT_GET_PARAMS, &ztp);
if (!res) {
if (ztp.sigtype & __ZT_SIG_FXS) {
x = ZT_FLASH;
res = ioctl(chan->fds[0], ZT_HOOK, &x);
if (!res || (errno == EINPROGRESS)) {
if (res) {
/* Wait for the event to finish */
zt_wait_event(chan->fds[0]);
}
res = ast_safe_sleep(chan, 1000);
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Flashed channel %s\n", chan->name);
} else
ast_log(LOG_WARNING, "Unable to flash channel %s: %s\n", chan->name, strerror(errno));
} else
ast_log(LOG_WARNING, "%s is not an FXO Channel\n", chan->name);
} else
ast_log(LOG_WARNING, "Unable to get parameters of %s: %s\n", chan->name, strerror(errno));
} else
ast_log(LOG_WARNING, "%s is not a Zap channel\n", chan->name);
LOCAL_USER_REMOVE(u);
return res;
}
int unload_module(void)
{
int res;
res = ast_unregister_application(app);
STANDARD_HANGUP_LOCALUSERS;
return res;
}
int load_module(void)
{
return ast_register_application(app, flash_exec, synopsis, descrip);
}
char *description(void)
{
return tdesc;
}
int usecount(void)
{
int res;
STANDARD_USECOUNT(res);
return res;
}
char *key()
{
return ASTERISK_GPL_KEY;
}