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#ifndef CRESOLVERTHREAD_H
#define CRESOLVERTHREAD_H
#include "CkjThread.h"
#include "CSemaphore.h"
#include <netinet/in.h>
/** resolves an ip address to the hostname and signals the gui-thread through a dispatcher.
* <br>
* there is no need for mutexing the variables
* @author triendl.kj
*/
class CResolverThread: public CkjThread
{
public:
typedef SigC::Signal1 <void, const char*> signal_resolved_t;
typedef SigC::Slot1 <void, const char*> slot_resolved_t;
private:
bool m_bDoRun;
in_addr_t m_nIP; ///< current ip
in_addr_t m_nIPPrev; ///< previous ip
signal_resolved_t m_signalResolved; ///< signal to connect to
CSemaphore m_semResolve; ///< signaled in @see resolve if an ip address is to resolve
Glib::Mutex m_sync;
public:
CResolverThread();
virtual ~CResolverThread()
{}
protected:
virtual void run();
public:
/** resolves an ip address to the hostname and emits a signal. @see signal_resolved
*/
void resolve(in_addr_t nIP);
/** if you wanna be nice, finish the thread.
*/
void finish()
{
m_bDoRun = false;
m_semResolve.post(); // finish run()
}
/** signal you can connect to. emitted if resolving ended, no matter whether successful or not.
* for type of signal and slot @see signal_resolved_t, @see slot_resolved_t
*/
signal_resolved_t& signal_resolved()
{
return m_signalResolved;
}
};
#endif
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