WlanLinux.h

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#ifndef _WLANLINUX_H
#define _WLANLINUX_H

#include "Wlan.h"
#include "../../util/Thread.h"


class WlanLinuxFeatureProvider : public WlanFeatureProvider, public Thread
{
        private:

                string ifname;
                int wlsocket;
                int delay;
                mutable Lock lockApList;

        public:
                // Linux interface name (e.g. wlan0, eth1) and delay between scans in
                // milliseconds
                WlanLinuxFeatureProvider(featureparams& params);
                virtual ~WlanLinuxFeatureProvider() throw() ;

                // the scanning thread, which continously scans for peers (only for the
                // Peers feature, the other feature values can be read from the kernel with
                // no delay and are thus handled in nextSample)
                virtual void run() throw();

                // we have to overwrite this because of the needed multi-thread locking
                virtual Feature* getSample(string name) const;
                virtual void nextSample(clock_t checkpoint);
        
        private:

                bool initSocket(string interfaceName);
                void closeSocket();
                bool getEssid(string& essid);
                bool getApAddress(string& apAddress);
                bool getApList(vector<WlanPeerInfo>& apList, bool changeEssid);
                bool getMode(WlanActiveModeFeature::FeatureKind& mode);
                bool getApSignalLevel(double& level);
};

#endif // _WLANLINUX_H

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