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/*
* Watches Inet interfaces
* Copyright (C) 2002 Tim Jansen <tim@tjansen.de>
*
* $Id$
*
* 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 KINETINTERFACEWATCHER_H
#define KINETINTERFACEWATCHER_H
#include <kinetinterface.h>
#include <tqobject.h>
#include <tqvaluevector.h>
#include <tqcstring.h>
#include <tqstring.h>
class KInetInterfaceWatcherPrivate;
/**
* KInetInterfaceWatcher can watch the state of one or all
* of the system's network interfaces.
* The watcher will emit the signal @ref changed() when an
* interface changed or a interface has been added or removed.
*
* @author Tim Jansen <tim@tjansen.de>
* @short Watches the state of the network interfaces
* @see KInetInterface
* @since 3.2
*/
class KInetInterfaceWatcher : public TQObject {
Q_OBJECT
public:
/**
* Creates a new KInetInterfaceWatcher. Before you can use it,
* you must @ref start() it.
*
* @param interface the name of the interface to watch (e.g.'eth0')
* or TQString() to watch all interfaces
* @param minInterval the minimum interval between two checks in
* seconds. Be careful not to check too often, to
* avoid unneccessary wasting of CPU time
*/
KInetInterfaceWatcher(const TQString &interface = TQString(),
int minInterval = 60);
/**
* Returns the name of the interface that is being watched.
* @return the name of the interface, or TQString() if all
* interfaces are watched
*/
TQString interface() const;
/**
* Starts the KInetInterfaceWatcher. It watches either one
* or all network interfaces. When one of them changed.
* it emits a @ref changed() signal.
* @param interface the name of the interface to watch (e.g.'eth0')
* or TQString() to watch all interfaces
* @param minInterval the minimum interval between two checks in
* seconds. Be careful not to check too often, to
* avoid unneccessary wasting of CPU time
* @see changed()
* @see stop()
*/
void start(const TQString &interface = TQString(),
int minInterval = 60);
/**
* Stops watching the interfaces.
* @see start()
*/
void stop();
/**
* Destructor
*/
virtual ~KInetInterfaceWatcher();
signals:
/**
* Emitted when one or more watched interfaces have changed. The
* @p interfaceName is the name of the interface being watched, not
* the interface that has changed (because more than one interface
* may have changed).
* A change occurred, when
* @li a new interface has been added (when watching a single interface,
* only when an interface of that name has been added)
* @li an interface has been removed (when watching a single interface,
* only when this interface has been removed)
* @li the address or netmask of the interface changed
*
* No change will be emitted when the broadcast address or destination
* address has changed.
*
* @param interfaceName the name of the interface that is watched,
* by the emitter, or TQString() if all
* interfaces are being watched
* @see start()
*/
void changed(TQString interfaceName);
private:
KInetInterfaceWatcherPrivate* d;
};
#endif
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