protected function readHeader(MemStream $s)
{
// check header
$s->serial_buffer($hskp, 4);
if ($hskp !== self::HEADER) {
throw new \RuntimeException('Wrong packed sheets header, expected "' . self::HEADER . '"');
}
$s->serial_uint32($header_version);
if ($header_version != self::HEADER_VERSION) {
throw new \RuntimeException('Wrong packed sheets version, expected "' . self::HEADER_VERSION . '", got "' . $header_version . '"');
}
$s->serial_byte($this->compat);
$s->serial_uint32($dependBlockSize);
if ($this->skipDependBlock) {
// skip dependency block
$pos = $s->getPos();
$s->seek($pos + $dependBlockSize);
} else {
// read dictionary
$s->serial_uint32($nb);
$s->serial_int_string($this->dictionnary, $nb);
// read dependency data
$this->dependencies = array();
$s->serial_uint32($depSize);
for ($i = 0; $i < $depSize; $i++) {
$s->serial_uint32($sheetId);
$s->serial_uint32($nb);
$s->serial_uint32($this->dependencies[$sheetId], $nb);
}
}
}
/**
* {@inheritdoc}
*/
public function serial(MemStream $s)
{
// string with <uint32> length counter
$s->serial_string($this->name);
if ($s->isReading()) {
// read all remaining bytes from buffer
$length = $s->getSize() - $s->getPos();
} else {
$length = strlen($this->payload);
}
$s->serial_buffer($this->payload, $length);
}
/**
* Send message
*
* @param StreamInterface $message
*/
public function sendMessage(StreamInterface $message)
{
// TFormat from <nel/message.h>
$messageType = 0;
// build packet
// <int32> packet length (length itself is not counted)
// <int32> packet number
// <byte> message type
// <.....> message
// first pass - to get packet length
$hd = new MemStream();
$hd->serial_uint32($this->msgNum);
$hd->serial_byte($messageType);
// include original message
$message->serial($hd);
$this->msgNum++;
$buf = $hd->getBuffer();
$len = strlen($buf);
// second pass - final packet
$hd = new MemStream();
$hd->serial_uint32_n($len);
$hd->serial_buffer($buf);
$this->sock->write($hd->getBuffer());
}
