/**
* Parse server data
*
* @param string $data Binary data
*
* @return Packet
* @throws Exception\UnSupported
*/
public function parse($data)
{
$return = new Packet();
$part = new Entity\Packet();
$byteStream = new ByteStream($data);
while ($byteStream->length() > 0) {
$type = $byteStream->short();
$partLength = $byteStream->short();
$length = $partLength - static::HEADER_LENGTH;
switch ($type) {
case static::TYPE_HOST:
$host = $byteStream->string($length);
$part->setHost($host);
break;
case static::TYPE_TIME:
$time = $byteStream->longLong();
$dateTime = new \DateTime();
$dateTime->setTimestamp($time);
$part->getTime()->setNormal($dateTime);
break;
case static::TYPE_PLUGIN:
$plugin = $byteStream->string($length);
$part->getPlugin()->setName($plugin);
break;
case static::TYPE_PLUGIN_INSTANCE:
$pluginInstance = $byteStream->string($length);
$part->getPlugin()->setInstanceName($pluginInstance);
break;
case static::TYPE_TYPE:
$type = $byteStream->string($length);
$part->getType()->setName($type);
break;
case static::TYPE_TYPE_INSTANCE:
$typeInstance = $byteStream->string($length);
$part->getType()->setInstanceName($typeInstance);
break;
case static::TYPE_VALUES:
$amountValues = $byteStream->short();
$types = array();
// Reset all the values of the part section
$part->resetValues();
for ($i = 0; $i < $amountValues; $i++) {
$types[$i] = $byteStream->byte();
}
for ($i = 0; $i < $amountValues; $i++) {
switch ($types[$i]) {
case static::VALUE_TYPE_COUNTER:
$value = $byteStream->longLong();
break;
case static::VALUE_TYPE_GAUGE:
$value = $byteStream->double(8);
break;
case static::VALUE_TYPE_DERIVE:
$value = $byteStream->longLong(false);
break;
case static::VALUE_TYPE_ABSOLUTE:
$value = $byteStream->longLong();
break;
default:
throw new Exception\UnSupported('Unknown value type', 4);
}
$part->addValue(new Entity\Value($types[$i], $value));
}
$oldPart = $part;
$part = clone $oldPart;
$return->append($oldPart);
break;
case static::TYPE_INTERVAL:
$interval = $byteStream->longLong();
$part->getInterval()->setNormal($interval);
break;
case static::TYPE_TIME_HIGH_RESOLUTION:
$timeHS = $byteStream->longLong();
$dateTime = new \DateTime();
$dateTime->setTimestamp($timeHS / 1073741824);
$part->getTime()->setHighResolution($dateTime);
break;
case static::TYPE_INTERVAL_HIGH_RESOLUTION:
$intervalHS = $byteStream->longLong();
$part->getInterval()->setHighResolution($intervalHS / 1073741824);
break;
case static::TYPE_MESSAGE:
$message = $byteStream->string($length);
$part->setMessage($message);
break;
case static::TYPE_SEVERITY:
$severity = $byteStream->longLong();
$part->setSeverity($severity);
break;
case static::TYPE_SIGNATURE:
throw new Exception\UnSupported('Signature packet', 1);
case static::TYPE_ENCRYPTION:
throw new Exception\UnSupported('Encrypted packet', 2);
default:
throw new Exception\UnSupported('Unknown packet', 3);
}
}
// When no parts has been set yet we will set it
if ($part !== null && $return->count() === 0) {
$return->append($part);
}
return $return;
}
public function testByte()
{
$stream = new ByteStream(hex2bin('0F'));
$this->assertEquals(15, $stream->byte());
}