MDNSServiceBrowser.h++

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#ifndef __libquark_mdns_MDNSServiceBrowser_hxx
#define __libquark_mdns_MDNSServiceBrowser_hxx

#include <QByteArray>
#include <QHostAddress>
#include <QList>
#include <QMap>
#include <QScopedPointer>
#include <QSharedPointer>
#include <QStringList>
#include <QTimer>
#include <QUdpSocket>

namespace quark {
namespace mdns {

class MDNSResolveInfo;
class MDNSService;

class MDNSServiceBrowserPrivateData;

class MDNSServiceBrowser : public QObject
{
  Q_OBJECT;

  public:

  MDNSServiceBrowser(QString serviceType,
                     QStringList subtypes = QStringList());
  virtual ~MDNSServiceBrowser();

  public slots:

  void startDiscovery();
  void stopDiscovery();

  void resolveServiceInstance(QString instanceName);

  signals:

  void serviceInstancePublished(QString instanceName);
  void serviceInstanceUnpublished(QString instanceName);
  void serviceInstanceResolveFinished(QSharedPointer<MDNSService> service);
  void serviceInstanceResolveFailed(QString instanceName);

  private slots:

  void readDatagrams();
  void timerFired();

  private:

  struct ServiceEntry;

  void publishEntry(ServiceEntry *entry);
  void updateAddressForHost(QStringList hostName,
                            const QHostAddress &address);
  void sendBrowseQuery();

  QScopedPointer<MDNSServiceBrowserPrivateData> _privateData;
  QStringList _serviceType;
  QStringList _subtypes;
  QUdpSocket _socket;
  QHostAddress _multicastAddress;
  QMap<QString, ServiceEntry *> _services;
  QByteArray _browseQuery;
  QTimer _timer;
  bool _discovering;

  Q_DISABLE_COPY(MDNSServiceBrowser);
};

} // namespace mdns
} // namespace quark

#endif // __libquark_mdns_MDNSServiceBrowser_hxx