/**
* @internal
*/
public static function fixUnpackedUInt64($payload, $field)
{
// uint64 is unpacked as 8 uint8 values, collect and decode them
return Base256::decode(self::collectUnpackedArray($payload, $field, 8));
}
/**
* @internal
*/
private function handleResponse($packet, $directCallbackDispatch)
{
$uid = Base256::decode(self::collectUnpackedArray(unpack('C4uid', $packet), 'uid', 4));
$header = unpack('Clength/CfunctionID/CsequenceNumberAndOptions/CerrorCodeAndFutureUse', substr($packet, 4));
$header['uid'] = $uid;
$functionID = $header['functionID'];
$sequenceNumber = $header['sequenceNumberAndOptions'] >> 4 & 0xf;
$payload = substr($packet, 8);
$this->nextDisconnectProbe = microtime(true) + self::DISCONNECT_PROBE_INTERVAL;
if ($sequenceNumber == 0 && $functionID == self::CALLBACK_ENUMERATE) {
if (array_key_exists(self::CALLBACK_ENUMERATE, $this->registeredCallbacks)) {
if ($directCallbackDispatch) {
if ($this->socket === FALSE) {
return;
}
$this->handleEnumerate($header, $payload);
} else {
array_push($this->pendingCallbacks, array($header, $payload));
}
}
return;
}
if (!array_key_exists($uid, $this->devices)) {
// Response from an unknown device, ignoring it
return;
}
$device = $this->devices[$uid];
if ($sequenceNumber == 0) {
if (array_key_exists($functionID, $device->registeredCallbacks)) {
if ($directCallbackDispatch) {
if ($this->socket === FALSE) {
return;
}
$device->handleCallback($header, $payload);
} else {
array_push($device->pendingCallbacks, array($header, $payload));
}
}
return;
}
if ($device->expectedResponseFunctionID == $functionID && $device->expectedResponseSequenceNumber == $sequenceNumber) {
$device->receivedResponse = array($header, $payload);
return;
}
// Response seems to be OK, but can't be handled
}
