tdelibs/networkstatus/clientiface.h

/*
    This file is part of kdepim.

    Copyright (c) 2005 Will Stephenson <lists@stevello.free-online.co.uk>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef KDED_NETWORKSTATUS_CLIENTIFACE_H
#define KDED_NETWORKSTATUS_CLIENTIFACE_H

#include "networkstatuscommon.h"

#include <dcopobject.h>

class ClientIface : virtual public DCOPObject
{
K_DCOP
k_dcop:
	/** Get the set of networks that the daemon is aware of.  Mostly for debug */
	virtual TQStringList networks() = 0;
	/**
	 * Get the status of the connection to the given host.
	 * @param host 
	 * @return a NetworkStatus::EnumStatus representing the state of the connection to the given host
	 */
	virtual int status( const TQString & host) = 0;
	/**
	 * Request a connection to the named host, registering the application's usage of this connection
	 * @param host The hostname the client wants to connect to.
	 * @param userInitiated Indicates whether the connection is a direct result of a user action or is a background task.  Used by the daemon to decide whether to create an on-demand connection.
	 * @return An NetworkStatus::EnumRequestResult indicating whether the request was accepted
	 */
	virtual int request( const TQString &  host, bool userInitiated ) = 0;
	/**
	 * Indicate that a previously registered connection to the given host is no longer needed by this client
	 * @param host The hostname being relinquished.
	 */
	virtual void relinquish( const TQString & host ) = 0;
	/**
	 * Indicate that a communication failure has occurred for a given host
	 * @param host The hostname for which the failure occurred.
	 * @return True indicates the caller should try again to lookup the host, as the daemon has another IP address available.
	 */
	virtual bool reportFailure( const TQString &  host ) = 0;
	/**
	 * Utility method to check the daemon's status
	 */
k_dcop_signals:
	/**
	 * A status change occurred for the network(s) used to connect to the given host.
	 * @param host The host which the application has indicated it is using
	 * @param status The new status of the network used to reach host.
	 */
	void statusChange( TQString host, int status );
	/**
	 * The network would like to shut down - any clients using this host are to finish using it immediately and call 
	 * relinquish() when done.
	 * @param host The host, registered as in use by applications, which is about to be disconnected.
	 */
	void shutdownRequested( TQString host );
};

#endif