void WebSocket::Do0()
{
	int prev_opcode;
	do {
		prev_opcode = opcode;
		if(findarg(opcode, DNS, SSL_HANDSHAKE) < 0) {
			Output();
			if(socket->IsEof() && !(close_sent || close_received))
				Error("Socket has been closed unexpectedly");
		}
		if(IsError())
			return;
		switch(opcode) {