private void ProbeInitialServices(ServiceHost serviceHost)
{
var probe = new DiscoveryClient(UdpDiscoveryEndpoint ?? new UdpDiscoveryEndpoint());
probe.FindProgressChanged += (_, args) => RegisterService(serviceHost, args.EndpointDiscoveryMetadata);
probe.FindCompleted += (_, args) => probe.Close();
probe.FindAsync(ProbeCriteria ?? new FindCriteria());
}
/// <summary>
/// Starts a discovery process
/// </summary>
public void Find( DiscoveryType type = DiscoveryType.WsDiscovery )
{
ActivityServices.Clear();
#if !ANDROID
switch ( type )
{
case DiscoveryType.WsDiscovery:
using ( var wsBrowser = new DiscoveryClient( new UdpDiscoveryEndpoint() ) )
{
wsBrowser.FindProgressChanged += WsBrowserFindProgressChanged;
wsBrowser.FindCompleted += WsBrowserFindCompleted;
wsBrowser.FindAsync( new FindCriteria( typeof( IDiscovery ) ) );
}
break;
case DiscoveryType.Zeroconf:
{
var zcBrowser = new ServiceBrowser();
zcBrowser.ServiceAdded += zcBrowser_ServiceAdded;
zcBrowser.Browse( "_am._tcp", "local" );
}
break;
}
#else
Probe();
#endif
}
/// <summary>
/// Starts a discovery process
/// </summary>
public void Find(DiscoveryType type = DiscoveryType.WSDiscovery)
{
ActivityServices.Clear();
#if !ANDROID
switch (type)
{
case DiscoveryType.WSDiscovery:
using (var wsBrowser = new DiscoveryClient(new UdpDiscoveryEndpoint()))
{
wsBrowser.FindProgressChanged += WSBrowserFindProgressChanged;
wsBrowser.FindCompleted += WSBrowserFindCompleted;
wsBrowser.FindAsync(new FindCriteria(typeof(IDiscovery)));
}
break;
case DiscoveryType.Zeroconf:
{
var zcBrowser = new ServiceBrowser();
zcBrowser.ServiceAdded += delegate(object o, ServiceBrowseEventArgs args)
{
args.Service.Resolved += ZcBrowserServiceResolved;
args.Service.Resolve();
};
zcBrowser.Browse("_am._tcp", "local");
}
break;
}
switch (type)
{
case DiscoveryType.WSDiscovery:
using (var wsBrowser = new DiscoveryClient(new UdpDiscoveryEndpoint()))
{
wsBrowser.FindProgressChanged += WSBrowserFindProgressChanged;
wsBrowser.FindCompleted += WSBrowserFindCompleted;
wsBrowser.FindAsync(new FindCriteria(typeof(IDiscovery)));
}
break;
case DiscoveryType.Zeroconf:
{
var zcBrowser = new ServiceBrowser();
zcBrowser.ServiceAdded += delegate(object o, ServiceBrowseEventArgs args)
{
args.Service.Resolved += ZcBrowserServiceResolved;
args.Service.Resolve();
};
zcBrowser.Browse("_am._tcp", "local");
}
break;
}
#else
Probe();
#endif
}
static void FindCalculatorServiceAddress()
{
DiscoveryClient discoveryClient = new DiscoveryClient(new UdpDiscoveryEndpoint());
discoveryClient.FindCompleted += new EventHandler<FindCompletedEventArgs>(ClientFindCompleted);
discoveryClient.FindProgressChanged += new EventHandler<FindProgressChangedEventArgs>(ClientFindProgressChanged);
Console.WriteLine("Finding ICalculatorServices endpoints asynchronously...\n");
FindCriteria findCriteria = new FindCriteria(typeof(ICalculatorService));
findCriteria.Duration = TimeSpan.FromSeconds(5);
// Find ICalculatorService endpoint asynchronously. The results are returned asynchronously via events
discoveryClient.FindAsync(findCriteria);
}
void findEvo()
{
try
{
using (var discovery = new DiscoveryClient(new UdpDiscoveryEndpoint()))
{
discovery.FindProgressChanged += (s, e) =>
{
try
{
if (null != e.EndpointDiscoveryMetadata)
{
var port = e.EndpointDiscoveryMetadata.Address.Uri.Port;
var host = e.EndpointDiscoveryMetadata.Address.Uri.DnsSafeHost;
lock (_discoveryLock)
{
if (null == evoServers.FirstOrDefault(u=>u.DnsSafeHost == host && u.Port == port ) )
evoServers = evoServers.Concat(new[] { e.EndpointDiscoveryMetadata.Address.Uri }).ToArray();
}
discoveryCompleted = true;
}
}
catch (Exception ex)
{
var t = ex.Message;
}
};
discovery.FindAsync(new FindCriteria(typeof(com.labizbille.evoSDK.IEVOService_v1)));
}
}
catch (Exception ex)
{
Debug.WriteLine("Failed to discover EVO servers : " + ex.Message);
}
finally
{
discoveryCompleted = true;
}
}
private void RefreshTopology(object state)
{
// heartbeat - will remove any failing nodes
Parallel.ForEach(topologyState.Keys, FindEndpointMetadata);
var discoveryClient = new DiscoveryClient(new UdpDiscoveryEndpoint());
discoveryClient.FindProgressChanged += DiscoveryClientOnFindProgressChanged;
discoveryClient.FindCompleted += DiscoveryClientOnFindCompleted;
discoveryClient.FindAsync(new FindCriteria(typeof(INodeStateService)), state);
}
