Method ParsePacketSize

src/network/core/packet.cpp:259–272

* Reads the packet size from the raw packet and stores it in the packet->size * @return True iff the packet size seems plausible. */

 * @return True iff the packet size seems plausible.
 */
bool Packet::ParsePacketSize()
{
	size_t size = static_cast<size_t>(this->buffer[0]);
	size       += static_cast<size_t>(this->buffer[1]) << 8;

	/* If the size of the packet is less than the bytes required for the size and type of
	 * the packet, or more than the allowed limit, then something is wrong with the packet.
	 * In those cases the packet can generally be regarded as containing garbage data. */
	if (size < EncodedLengthOfPacketSize() + EncodedLengthOfPacketType() || size > this->limit) return false;

	this->buffer.resize(size);
	this->pos = static_cast<PacketSize>(EncodedLengthOfPacketSize());
	return true;
}

/**
 * Prepares the packet so it can be read