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/*
* Asterisk -- A telephony toolkit for Linux.
*
* App to flash a zap trunk
*
* Copyright (C) 1999, Mark Spencer
*
* Mark Spencer <markster@linux-support.net>
*
* This program is free software, distributed under the terms of
* the GNU General Public License
*/
#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 <sys/ioctl.h>
#include <linux/zaptel.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <pthread.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 otherwise. Returns 0 on success or -1 if this is not\n"
"a zap trunk\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)
{
STANDARD_HANGUP_LOCALUSERS;
return ast_unregister_application(app);
}
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;
}