119 lines
3.1 KiB
C
119 lines
3.1 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 DAHDI trunk
|
|
*
|
|
* \author Mark Spencer <markster@digium.com>
|
|
*
|
|
* \ingroup applications
|
|
*/
|
|
|
|
/*** MODULEINFO
|
|
<depend>dahdi</depend>
|
|
<support_level>core</support_level>
|
|
***/
|
|
|
|
#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"
|
|
|
|
/*** DOCUMENTATION
|
|
<application name="Flash" language="en_US">
|
|
<synopsis>
|
|
Flashes a DAHDI Trunk.
|
|
</synopsis>
|
|
<syntax />
|
|
<description>
|
|
<para>Performs a flash on a DAHDI trunk. This can be used to access features
|
|
provided on an incoming analogue circuit such as conference and call waiting.
|
|
Use with SendDTMF() to perform external transfers.</para>
|
|
</description>
|
|
<see-also>
|
|
<ref type="application">SendDTMF</ref>
|
|
</see-also>
|
|
</application>
|
|
***/
|
|
|
|
static char *app = "Flash";
|
|
|
|
static inline int dahdi_wait_event(int fd)
|
|
{
|
|
/* Avoid the silly dahdi_waitevent which ignores a bunch of events */
|
|
int i,j=0;
|
|
i = DAHDI_IOMUX_SIGEVENT;
|
|
if (ioctl(fd, DAHDI_IOMUX, &i) == -1) return -1;
|
|
if (ioctl(fd, DAHDI_GETEVENT, &j) == -1) return -1;
|
|
return j;
|
|
}
|
|
|
|
static int flash_exec(struct ast_channel *chan, const char *data)
|
|
{
|
|
int res = -1;
|
|
int x;
|
|
struct dahdi_params dahdip;
|
|
|
|
if (strcasecmp(ast_channel_tech(chan)->type, "DAHDI")) {
|
|
ast_log(LOG_WARNING, "%s is not a DAHDI channel\n", ast_channel_name(chan));
|
|
return -1;
|
|
}
|
|
|
|
memset(&dahdip, 0, sizeof(dahdip));
|
|
res = ioctl(ast_channel_fd(chan, 0), DAHDI_GET_PARAMS, &dahdip);
|
|
if (!res) {
|
|
if (dahdip.sigtype & __DAHDI_SIG_FXS) {
|
|
x = DAHDI_FLASH;
|
|
res = ioctl(ast_channel_fd(chan, 0), DAHDI_HOOK, &x);
|
|
if (!res || (errno == EINPROGRESS)) {
|
|
if (res) {
|
|
/* Wait for the event to finish */
|
|
dahdi_wait_event(ast_channel_fd(chan, 0));
|
|
}
|
|
res = ast_safe_sleep(chan, 1000);
|
|
ast_verb(3, "Flashed channel %s\n", ast_channel_name(chan));
|
|
} else
|
|
ast_log(LOG_WARNING, "Unable to flash channel %s: %s\n", ast_channel_name(chan), strerror(errno));
|
|
} else
|
|
ast_log(LOG_WARNING, "%s is not an FXO Channel\n", ast_channel_name(chan));
|
|
} else
|
|
ast_log(LOG_WARNING, "Unable to get parameters of %s: %s\n", ast_channel_name(chan), strerror(errno));
|
|
|
|
return res;
|
|
}
|
|
|
|
static int unload_module(void)
|
|
{
|
|
return ast_unregister_application(app);
|
|
}
|
|
|
|
static int load_module(void)
|
|
{
|
|
return ast_register_application_xml(app, flash_exec);
|
|
}
|
|
|
|
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Flash channel application");
|