https://origsvn.digium.com/svn/asterisk/branches/1.4 ........ r82992 | russell | 2007-09-18 19:19:49 -0500 (Tue, 18 Sep 2007) | 4 lines Change the description of app_flash to note how it can be a useful tool instead of just saying that it is generally a worthless feature. (Thanks to Jim Van Meggelen for pointing it out and providing the proposed text) ........ git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@82993 65c4cc65-6c06-0410-ace0-fbb531ad65f3
119 lines
2.9 KiB
C
119 lines
2.9 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief App to flash a zap trunk
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*
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* \author Mark Spencer <markster@digium.com>
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*
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* \ingroup applications
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*/
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/*** MODULEINFO
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<depend>zaptel</depend>
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***/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include "asterisk/zapata.h"
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#include "asterisk/lock.h"
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#include "asterisk/file.h"
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#include "asterisk/logger.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/module.h"
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#include "asterisk/translate.h"
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#include "asterisk/image.h"
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#include "asterisk/options.h"
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static char *app = "Flash";
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static char *synopsis = "Flashes a Zap Trunk";
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static char *descrip =
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"Performs a flash on a zap trunk. This can be used\n"
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"to access features provided on an incoming analogue circuit\n"
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"such as conference and call waiting. Use with SendDTMF() to\n"
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"perform external transfers\n";
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static inline int zt_wait_event(int fd)
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{
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/* Avoid the silly zt_waitevent which ignores a bunch of events */
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int i,j=0;
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i = ZT_IOMUX_SIGEVENT;
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if (ioctl(fd, ZT_IOMUX, &i) == -1) return -1;
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if (ioctl(fd, ZT_GETEVENT, &j) == -1) return -1;
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return j;
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}
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static int flash_exec(struct ast_channel *chan, void *data)
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{
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int res = -1;
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int x;
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struct zt_params ztp;
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if (strcasecmp(chan->tech->type, "Zap")) {
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ast_log(LOG_WARNING, "%s is not a Zap channel\n", chan->name);
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return -1;
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}
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memset(&ztp, 0, sizeof(ztp));
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res = ioctl(chan->fds[0], ZT_GET_PARAMS, &ztp);
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if (!res) {
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if (ztp.sigtype & __ZT_SIG_FXS) {
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x = ZT_FLASH;
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res = ioctl(chan->fds[0], ZT_HOOK, &x);
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if (!res || (errno == EINPROGRESS)) {
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if (res) {
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/* Wait for the event to finish */
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zt_wait_event(chan->fds[0]);
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}
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res = ast_safe_sleep(chan, 1000);
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ast_verb(3, "Flashed channel %s\n", chan->name);
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} else
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ast_log(LOG_WARNING, "Unable to flash channel %s: %s\n", chan->name, strerror(errno));
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} else
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ast_log(LOG_WARNING, "%s is not an FXO Channel\n", chan->name);
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} else
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ast_log(LOG_WARNING, "Unable to get parameters of %s: %s\n", chan->name, strerror(errno));
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return res;
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}
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static int unload_module(void)
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{
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return ast_unregister_application(app);
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}
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static int load_module(void)
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{
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return ast_register_application(app, flash_exec, synopsis, descrip);
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Flash channel application");
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