Method disconnect

src/remote/server/server.cpp:2990–3135

void rem_port::disconnect(PACKET* sendL, PACKET* receiveL)
{
/**************************************
 *
 *	d i s c o n n e c t
 *
 **************************************
 *
 * Functional description
 *	We've lost the connection to the parent.  Stop everything.
 *
 **************************************/
	Rdb* rdb = this->port_context;

	if (this->port_flags & PORT_async)
	{
		if (!(this->port_flags & PORT_detached) &&
			rdb && rdb->rdb_port &&
			!(rdb->rdb_port->port_flags & (PORT_disconnect | PORT_detached)))
		{
			PACKET *packet = &rdb->rdb_packet;
			packet->p_operation = op_dummy;
			rdb->rdb_port->send(packet);
		}
		return;
	}

	this->port_flags |= PORT_disconnect;
	this->port_z_data = false;

	if (!rdb)
	{
		REMOTE_free_packet(this, sendL);
		REMOTE_free_packet(this, receiveL);
		this->disconnect();
		return;
	}

	// For XNET we should send dummy op_disconnect packet
	// to wakeup async port handling events on client side.
	// For INET it's not necessary because INET client's async port
	// wakes up while server performs shutdown(socket) call on its async port.
	// See interface.cpp - event_thread().

	PACKET *packet = &rdb->rdb_packet;
	if (this->port_async)
	{
		if (this->port_type == rem_port::XNET)
		{
			packet->p_operation = op_disconnect;
			this->port_async->send(packet);
		}
		this->port_async->port_flags |= PORT_disconnect;
	}

	LocalStatus ls;
	CheckStatusWrapper status_vector(&ls);
	if (rdb->rdb_iface)