Added post answer send dtmf global script.
git-svn-id: http://voip.null.ro/svn/yate@4446 acf43c95-373e-0410-b603-e72c3f656dc1
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#!/usr/bin/php -q
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<?php
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/* Post answer DTMF sender
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Set in extmodule.conf:
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[scripts]
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postanm_dtmf.php=
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Parameters handled in call.answered:
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postanm_dtmf: boolean: Handle the message. Defaults to true
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postanm_dtmf_text: string: Tones to send. The message will be ignored if text is empty
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postanm_dtmf_outbound: boolean: Send DTMFs to called (true) or caller (false). Defaults to false
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postanm_dtmf_delay: integer: Interval to delay the tones in seconds. Defaults to 0
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*/
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require_once("libyate.php");
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$param = "postanm_dtmf";
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$calls = array();
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$tones = array();
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$defDelay = 0; // Default delay value
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// Always the first action to do
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Yate::Init();
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// Uncomment next line to get debugging messages
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Yate::Debug(true);
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function getBoolValue($str,$defVal)
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{
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if (empty($str))
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return $defVal;
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return Yate::Str2bool($str);
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}
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// Set/unset array value
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function setupCall($key,$set,$interval = 0,$text = "")
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{
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global $param;
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global $calls;
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global $tones;
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Yate::Debug($param . ": setupCall(" . $key . "," . $set . ")");
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if ($set) {
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$calls[$key] = $interval;
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$tones[$key] = $text;
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}
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else {
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unset($calls[$key]);
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unset($tones[$key]);
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}
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}
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// Masquerade a chan.dtmf
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function sendTones($id,$text)
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{
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global $param;
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Yate::Debug($param . ": sendTones(" . $id ."," . $text . ")");
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$m = new Yate("chan.masquerade");
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$m->params["id"] = $id;
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$m->params["message"] = "chan.dtmf";
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$m->params["text"] = $text;
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$m->Dispatch();
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}
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// Handle call.answered
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function callAnswered($ev,$text)
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{
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global $param;
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global $defDelay;
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$evId = $ev->GetValue("id");
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$evPeerId = $ev->GetValue("peerid");
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$outbound = getBoolValue($ev->getValue($param . "_outbound"),false);
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$tmp = $ev->getValue($param . "_delay");
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$delay = $defDelay;
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if (!empty($tmp)) {
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$val = (int)$tmp;
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if ($val >= 0)
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$delay = $val;
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}
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Yate::Debug($param . ": Handling " . $ev->name . " text=" . $text . " id=" . $evId . " peerid=" . $evPeerId . " outbound=" . $outbound . " delay=" . $delay);
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if ($outbound) {
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if (empty($evPeerId))
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return;
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$evId = $evPeerId;
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}
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else if (empty($evId))
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return;
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if ($delay > 0)
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setupCall($evId,true,$delay,$text);
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else
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sendTones($evId,$text);
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}
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function checkCalls()
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{
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global $calls;
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global $tones;
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foreach ($calls as $key => $call) {
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$calls[$key]--;
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if ($calls[$key] <= 0) {
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sendTones($key,$tones[$key]);
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setupCall($key,false);
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}
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}
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}
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Yate::Watch("call.answered");
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Yate::Install("chan.hangup");
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Yate::Install("engine.timer");
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// Restart if terminated
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Yate::SetLocal("restart",true);
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Yate::Debug($param . ": Starting");
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/* The main loop. We pick events and handle them */
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for (;;) {
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$ev=Yate::GetEvent();
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/* If Yate disconnected us then exit cleanly */
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if ($ev === false)
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break;
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/* Empty events are normal in non-blocking operation.
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This is an opportunity to do idle tasks and check timers */
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if ($ev === true) {
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Yate::Debug($param . ": empty event");
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continue;
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}
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switch ($ev->type) {
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case "incoming":
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if ($ev->name == "engine.timer")
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checkCalls();
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else if ($ev->name == "chan.hangup") {
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$id = $ev->getValue("id");
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if (!empty($id))
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setupCall($id,false);
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}
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$ev->Acknowledge();
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break;
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case "answer":
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if ($ev->name == "call.answered") {
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$text = "";
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if (getBoolValue($ev->getValue($param),true))
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$text = $ev->getValue($param . "_text");
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if (!empty($text))
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callAnswered($ev,$text);
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}
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break;
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case "watched":
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Yate::Debug($param . ": Watching " . $ev->name);
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break;
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case "installed":
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Yate::Debug($param . ": Installed " . $ev->name);
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break;
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case "uninstalled":
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Yate::Debug($param . ": Uninstalled " . $ev->name);
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break;
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case "setlocal":
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Yate::Debug($param . ": Parameter ". $ev->name . "=" . $ev->retval . ($ev->handled ? " (OK)" : " (error)"));
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break;
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default:
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Yate::Debug($param . ": Event " . $ev->type);
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}
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}
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Yate::Debug($param . ": Terminated");
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/* vi: set ts=8 sw=4 sts=4 noet: */
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?>
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