/**
* parse pdu string
* @param PDU $pdu
* @return \self
* @throws Exception
*/
public static function parse(Submit $pdu)
{
$vp = new self($pdu);
switch ($pdu->getType()->getVpf()) {
case Type::VPF_NONE:
return $vp;
case Type::VPF_ABSOLUTE:
return SCTS::parse();
case Type::VPF_RELATIVE:
$byte = hexdec(PDU::getPduSubstr(2));
if ($byte <= 143) {
$vp->_interval = ($byte + 1) * (5 * 60);
} else {
if ($byte <= 167) {
$vp->_interval = 3600 * 24 * 12 + ($byte - 143) * (30 * 60);
} else {
if ($byte <= 196) {
$vp->_interval = ($byte - 166) * (3600 * 24);
} else {
$vp->_interval = ($byte - 192) * (3600 * 24 * 7);
}
}
}
return $vp;
default:
throw new Exception("Unknown VPF");
}
}
public static function initVars(PDU $pdu)
{
// if is the report status
if ($pdu->getType() instanceof Type\Report) {
// parse timestamp
$pdu->setDateTime(SCTS::parse());
// parse discharge
$pdu->setDischarge(SCTS::parse());
// get status
$pdu->setStatus(hexdec(PDU::getPduSubstr(2)));
} else {
// get pid
$pdu->setPid(PDU\PID::parse());
// parse dcs
$pdu->setDcs(DCS::parse());
// if this submit sms
if ($pdu->getType() instanceof Type\Submit) {
// parse vp
$pdu->setVp(VP::parse($pdu));
} else {
// parse scts
$pdu->setScts(SCTS::parse());
}
// get data length
$pdu->setUdl(hexdec(PDU::getPduSubstr(2)));
// parse data
$pdu->setData(Data::parse($pdu));
}
return $pdu;
}