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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@211539 65c4cc65-6c06-0410-ace0-fbb531ad65f3
119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2007, Redfish Solutions
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*
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* Philip Prindeville <philipp@redfish-solutions.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 Sleep until the given epoch
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*
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* \author Philip Prindeville <philipp@redfish-solutions.com>
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*
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* \ingroup applications
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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 "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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/*** DOCUMENTATION
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<application name="WaitUntil" language="en_US">
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<synopsis>
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Wait (sleep) until the current time is the given epoch.
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</synopsis>
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<syntax>
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<parameter name="epoch" required="true" />
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</syntax>
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<description>
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<para>Waits until the given <replaceable>epoch</replaceable>.</para>
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<para>Sets <variable>WAITUNTILSTATUS</variable> to one of the following values:</para>
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<variablelist>
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<variable name="WAITUNTILSTATUS">
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<value name="OK">
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Wait succeeded.
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</value>
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<value name="FAILURE">
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Invalid argument.
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</value>
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<value name="HANGUP">
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Channel hungup before time elapsed.
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</value>
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<value name="PAST">
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Time specified had already past.
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</value>
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</variable>
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</variablelist>
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</description>
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</application>
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***/
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static char *app = "WaitUntil";
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static int waituntil_exec(struct ast_channel *chan, const char *data)
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{
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int res;
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double fraction;
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long seconds;
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struct timeval future = { 0, };
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struct timeval now = ast_tvnow();
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int msec;
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if (ast_strlen_zero(data)) {
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ast_log(LOG_WARNING, "WaitUntil requires an argument(epoch)\n");
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pbx_builtin_setvar_helper(chan, "WAITUNTILSTATUS", "FAILURE");
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return 0;
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}
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if (sscanf(data, "%30ld%30lf", &seconds, &fraction) == 0) {
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ast_log(LOG_WARNING, "WaitUntil called with non-numeric argument\n");
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pbx_builtin_setvar_helper(chan, "WAITUNTILSTATUS", "FAILURE");
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return 0;
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}
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future.tv_sec = seconds;
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future.tv_usec = fraction * 1000000;
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if ((msec = ast_tvdiff_ms(future, now)) < 0) {
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ast_log(LOG_NOTICE, "WaitUntil called in the past (now %ld, arg %ld)\n", (long)now.tv_sec, (long)future.tv_sec);
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pbx_builtin_setvar_helper(chan, "WAITUNTILSTATUS", "PAST");
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return 0;
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}
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if ((res = ast_safe_sleep(chan, msec)))
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pbx_builtin_setvar_helper(chan, "WAITUNTILSTATUS", "HANGUP");
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else
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pbx_builtin_setvar_helper(chan, "WAITUNTILSTATUS", "OK");
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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_xml(app, waituntil_exec);
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Wait until specified time");
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