source: source/ariba/communication/networkinfo/NetworkChangeDetection.h@ 12351

// [License]
// The Ariba-Underlay Copyright
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// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
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// [License]

#ifndef __NETWORK_CHANGE_DETECTION_H
#define __NETWORK_CHANGE_DETECTION_H

// Forward declarations
struct nlmsghdr;

#include <vector>
#include <boost/thread/thread.hpp>

#include "NetworkInformation.h"
#include "NetworkChangeInterface.h"
#include "ariba/utility/logging/Logging.h"
#include "ariba/utility/system/SystemEventListener.h"

namespace ariba {
namespace communication {

using ariba::utility::SystemEvent;
using ariba::utility::SystemEventListener;

class NetworkChangeDetection : public SystemEventListener {
        use_logging_h(NetworkChangeDetection);
public:
        NetworkChangeDetection();
        virtual ~NetworkChangeDetection();

        void registerNotification( NetworkChangeInterface* callback );
        void unregisterNotification( NetworkChangeInterface* callback );

protected:
        void handleSystemEvent( const SystemEvent& event );

private:
        typedef std::vector<NetworkChangeInterface*> RegistrationList;
        RegistrationList registrations;

        void startMonitoring();
        void stopMonitoring();

        volatile bool running;
        boost::thread* monitoringThread;
        static void monitoringThreadFunc( NetworkChangeDetection* obj );

        int routingSocket;
        NetworkInformation networkInformation;

        NetworkChangeInterface::NetworkChangeInfo extractAddressEvent( struct nlmsghdr* header );
};

}} // namespace ariba, communication

#endif // __NETWORK_CHANGE_DETECTION_H