internal void DnssdInitializeCreateService()
{
DnssdInitializer dnssdInit = Globals.s_threadDns.Value;
Log.Info(Globals.LogTag, "Initialize ThreadLocal<DnssdInitializer> instance = " + dnssdInit);
int ret = Interop.Nsd.Dnssd.CreateService(_serviceType, out _serviceHandle);
if (ret != (int)DnssdError.None)
{
Log.Error(Globals.LogTag, "Failed to create a local Dnssd service handle, Error - " + (DnssdError)ret);
NsdErrorFactory.ThrowDnssdException(ret);
}
}
/// <summary>
/// A public constructor for DnssdBrowser class to create a DnssdBrowser instance for the given service type.
/// </summary>
/// <param name="serviceType">The DNSSD service type</param>
/// <since_tizen> 4 </since_tizen>
/// <feature>http://tizen.org/feature/network.service_discovery.dnssd</feature>
/// <exception cref="ArgumentException">Thrown when serviceType is null.</exception>
/// <exception cref="NotSupportedException">Thrown when DNSSD is not supported.</exception>
public DnssdBrowser(string serviceType)
{
DnssdInitializer dnssdInit = Globals.s_threadDns.Value;
Log.Info(Globals.LogTag, "Initialize ThreadLocal<DnssdInitializer> instance = " + dnssdInit);
if (serviceType == null)
{
Log.Debug(Globals.LogTag, "serviceType is null");
NsdErrorFactory.ThrowDnssdException((int)DnssdError.InvalidParameter);
}
_serviceType = serviceType;
}
/// <summary>
/// Starts browsing the DNSSD remote service.
/// </summary>
/// <remarks>
/// If there are any services available, ServiceFound event will be invoked.
/// Application will keep browsing for available/unavailable services until it calls StopDiscovery().
/// </remarks>
/// <since_tizen> 4 </since_tizen>
/// <privilege>http://tizen.org/privilege/internet</privilege>
/// <feature>http://tizen.org/feature/network.service_discovery.dnssd</feature>
/// <exception cref="InvalidOperationException">Thrown when any other error occurred.</exception>
/// <exception cref="NotSupportedException">Thrown when DNSSD is not supported.</exception>
/// <exception cref="UnauthorizedAccessException">Thrown when permission is denied.</exception>
public void StartDiscovery()
{
DnssdInitializer dnssdInit = Globals.s_threadDns.Value;
Log.Info(Globals.LogTag, "Initialize ThreadLocal<DnssdInitializer> instance = " + dnssdInit);
_serviceFoundCallback = (DnssdServiceState state, uint service, IntPtr userData) =>
{
if (_serviceFound != null)
{
Log.Info(Globals.LogTag, "Inside Service found callback");
DnssdService dnsService = new DnssdService(service);
_serviceFound(null, new DnssdServiceFoundEventArgs(state, dnsService));
}
};
int ret = Interop.Nsd.Dnssd.StartBrowsing(_serviceType, out _browserHandle, _serviceFoundCallback, IntPtr.Zero);
if (ret != (int)DnssdError.None)
{
Log.Error(Globals.LogTag, "Failed to discover Dnssd remote service, Error - " + (DnssdError)ret);
NsdErrorFactory.ThrowDnssdException(ret);
}
}