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functions.php
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functions.php
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<?php
function listmodems()
{
$i=1;
exec('ls /dev/ | grep ttyUSB', $modems);
exec('ls /dev/ | grep ttyACM', $modems2);
echo ("<select name=modemselected>");
foreach($modems as $modem1)
{
if($i>2) echo ('<option value='.$modem1.'>Modem '.$i.' GSM</option>');
$i++;
}
foreach($modems2 as $modem2)
{
echo ('<option value='.$modem2.'>Modem '.$i.' Line</option>');
$i++;
}
echo ("</select>");
}
function startmgetty()
{
sleep(2);
// exec('sudo /usr/bin/killall mgetty>/dev/null 2>/dev/null &', $startmgettyon);
exec('sudo /sbin/mgetty -D /dev/'.$_POST['modemselected'].' >/dev/null 2>/dev/null &', $startmgettyon);
}
function stopmgetty()
{
exec('sudo /usr/bin/killall mgetty>/dev/null 2>/dev/null &', $stopmgettynon);
}
function mgettyrunning()
{
exec('ps ax | grep mgetty', $mgettyrun);
$mgettyrun2 = preg_replace('#.*(/sbin/mgetty -D)#i', '$1', $mgettyrun[0]);
$mgettyrun2 = str_replace('/sbin/mgetty -D', 'Waiting for connections on modem', $mgettyrun2);
if (substr($mgettyrun2, 0, 7)<>'Waiting') return $mgettyisrunning="false";
else {
// echo $mgettyrun2;
return $mgettyisrunning="true";
}
}
?>