Method CanReadFromPacket

src/network/core/packet.cpp:219–231

* Is it safe to read from the packet, i.e. didn't we run over the buffer? * In case \c close_connection is true, the connection will be closed when one would * overrun the buffer. When it is false, the connection remains untouched. * @param bytes_to_read The amount of bytes we want to try to read. * @param close_connection Whether to close the connection if one cannot read that amount. * @

 * @return True if that is safe, otherwise false.
 */
bool Packet::CanReadFromPacket(size_t bytes_to_read, bool close_connection)
{
	/* Don't allow reading from a quit client/client who send bad data */
	if (this->cs->HasClientQuit()) return false;

	/* Check if variable is within packet-size */
	if (this->pos + bytes_to_read > this->Size()) {
		if (close_connection) this->cs->NetworkSocketHandler::MarkClosed();
		return false;
	}

	return true;
}

/**
 * Check whether the packet, given the position of the "write" pointer, has read