static EndpointAddress FindCalculatorServiceAddress()
{
// Create DiscoveryClient
DiscoveryEndpoint discoveryEndpoint = new DiscoveryEndpoint(new NetTcpBinding(), new EndpointAddress("net.tcp://localhost:8001/DiscoveryRouter/"));
DiscoveryClient discoveryClient = new DiscoveryClient(discoveryEndpoint);
Console.WriteLine("Finding ICalculatorService endpoints...");
Console.WriteLine();
// Find ICalculatorService endpoints
FindCriteria findCriteria = new FindCriteria(typeof(ICalculatorService));
findCriteria.Duration = TimeSpan.FromSeconds(10);
FindResponse findResponse = discoveryClient.Find(findCriteria);
Console.WriteLine("Found {0} ICalculatorService endpoint(s).", findResponse.Endpoints.Count);
Console.WriteLine();
if (findResponse.Endpoints.Count > 0)
{
return findResponse.Endpoints[0].Address;
}
else
{
return null;
}
}
static void Main(string[] args)
{
// Create a DiscoveryEndpoint that points to the DiscoveryProxy
Uri probeEndpointAddress = new Uri("net.tcp://localhost:8001/Probe");
DiscoveryEndpoint discoveryEndpoint = new DiscoveryEndpoint(new NetTcpBinding(), new EndpointAddress(probeEndpointAddress));
DiscoveryClient discoveryClient = new DiscoveryClient(discoveryEndpoint);
Console.WriteLine("Finding ICalculatorService endpoints using the proxy at {0}", probeEndpointAddress);
Console.WriteLine();
try
{
// Find ICalculatorService endpoints
FindResponse findResponse = discoveryClient.Find(new FindCriteria(typeof(ICalculatorService)));
Console.WriteLine("Found {0} ICalculatorService endpoint(s).", findResponse.Endpoints.Count);
Console.WriteLine();
// Check to see if endpoints were found, if so then invoke the service.
if (findResponse.Endpoints.Count > 0)
{
InvokeCalculatorService(findResponse.Endpoints[0].Address);
}
}
catch (Exception e)
{
Console.WriteLine("This client was unable to connect to and query the proxy. Ensure that the proxy is up and running.");
}
Console.WriteLine("Press <ENTER> to exit.");
Console.ReadLine();
}
public EndpointAddress DiscoverMaster()
{
DiscoveryClient discoveryClient = new DiscoveryClient(new UdpDiscoveryEndpoint());
var orationiServices = discoveryClient.Find(new FindCriteria(typeof(IOrationiMasterService)));
discoveryClient.Close();
return orationiServices.Endpoints.Count == 0 ? null : orationiServices.Endpoints[0].Address;
}
// ** DISCOVERY ** //
static bool FindService()
{
try
{
DiscoveryClient discoveryClient =
new DiscoveryClient(new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscovery11));
Collection<EndpointDiscoveryMetadata> services = discoveryClient.Find(new FindCriteria(typeof(IServiceHelloWCF))).Endpoints;
discoveryClient.Close();
if (services.Count == 0)
{
return false;
}
else
{
serviceAddress = services[0].ListenUris[0];
}
}
catch
{
return false;
}
return true;
}
public static void OldMain(string[] args)
{
var endPoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005);
//not sure what this does - if anything.
//endPoint.Binding.CreateBindingElements().Insert(0, new MulticastCapabilitiesBindingElement(true));
var discoveryClient = new System.ServiceModel.Discovery.DiscoveryClient(endPoint);
discoveryClient.FindProgressChanged += DiscoveryClient_FindProgressChanged;
var findCriteria = new FindCriteria
{
Duration = TimeSpan.FromSeconds(10), // Onvif device manager finds cameras almost instantly - so 10s should be plenty
MaxResults = int.MaxValue
};
//Taking cue from sniffing Onvif DM UDP packets - only add one contract type filter
findCriteria.ContractTypeNames.Add(new XmlQualifiedName("NetworkVideoTransmitter", @"http://www.onvif.org/ver10/network/wsdl"));
//findCriteria.ContractTypeNames.Add(new XmlQualifiedName("Device", @"http://www.onvif.org/ver10/device/wsdl"));
Console.WriteLine("Initiating find operation.");
//discoveryClient.FindAsync(findCriteria);
//Console.WriteLine("Returned from Async find operation");
var response = discoveryClient.Find(findCriteria);
Console.WriteLine($"Operation returned - Found {response.Endpoints.Count} endpoints.");
Console.ReadKey();
}
// ** DISCOVERY ** //
static bool FindService()
{
try
{
DiscoveryClient discoveryClient =
new DiscoveryClient(new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscovery11));
// Uncomment to support WSDiscoveryApril2005 discovery (and change app.config for binding change)
//DiscoveryClient discoveryClient =
// new DiscoveryClient(new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005));
Collection<EndpointDiscoveryMetadata> services = discoveryClient.Find(new FindCriteria(typeof(IServiceHelloWCF))).Endpoints;
discoveryClient.Close();
if (services.Count == 0)
{
return false;
}
else
{
serviceAddress = services[0].ListenUris[0];
}
}
catch
{
return false;
}
return true;
}
public static void Main()
{
Uri probeEndpointAddress = new Uri("net.tcp://localhost:8001/Probe");
DiscoveryEndpoint discoveryEndpoint = new DiscoveryEndpoint(new NetTcpBinding(), new EndpointAddress(probeEndpointAddress));
DiscoveryClient discoveryClient = new DiscoveryClient(discoveryEndpoint);
Console.WriteLine("Finding ICalculatorService endpoints using the proxy at {0}", probeEndpointAddress);
Console.WriteLine();
try
{
FindResponse findResponse = discoveryClient.Find(new FindCriteria(typeof(ICalculator)));
Console.WriteLine("Found {0} ICalculatorService endpoint(s).", findResponse.Endpoints.Count);
Console.WriteLine();
if (findResponse.Endpoints.Count > 0)
{
InvokeCalculatorService(findResponse.Endpoints[0].Address);
}
}
catch (TargetInvocationException)
{
Console.WriteLine("This client was unable to connect to and query the proxy. Ensure that the proxy is up and running.");
}
}
public static void Main()
{
// Create DiscoveryClient
DiscoveryClient discoveryClient = new DiscoveryClient(new UdpDiscoveryEndpoint());
Console.WriteLine("Finding ICalculatorService endpoints...");
Console.WriteLine();
// Find ICalculatorService endpoints
FindCriteria findCriteria = new FindCriteria(typeof(ICalculatorService));
findCriteria.Duration = TimeSpan.FromSeconds(5);
FindResponse findResponse = discoveryClient.Find(findCriteria);
Console.WriteLine("Found {0} ICalculatorService endpoint(s).", findResponse.Endpoints.Count);
Console.WriteLine();
// Check to see if endpoints were found & print the XML metadata in them.
if (findResponse.Endpoints.Count > 0)
{
foreach (XElement xElement in findResponse.Endpoints[0].Extensions)
{
Console.WriteLine("Printing Metadata from ServiceEndpoint:");
Console.WriteLine("Endpoint Information: " + xElement.Element("Information").Value);
Console.WriteLine("Endpoint Started at Time: " + xElement.Element("Time").Value);
Console.WriteLine();
}
InvokeCalculatorService(findResponse.Endpoints[0].Address);
}
Console.WriteLine("Press <ENTER> to exit.");
Console.ReadLine();
}
static EndpointAddress FindCalculatorServiceAddress()
{
// Create a discovery client using the secure endpoint that applies and checks the compact signature
DiscoveryClient discoveryClient = new DiscoveryClient("udpSecureDiscoveryEndpoint");
Console.WriteLine("Finding ICalculatorService endpoints...");
Console.WriteLine();
FindCriteria findCriteria = new FindCriteria(typeof(ICalculatorService));
findCriteria.Duration = TimeSpan.FromSeconds(5);
// Find ICalculatorService endpoints
FindResponse findResponse = discoveryClient.Find(findCriteria);
Console.WriteLine("Found {0} ICalculatorService endpoint(s).", findResponse.Endpoints.Count);
Console.WriteLine();
if (findResponse.Endpoints.Count > 0)
{
return findResponse.Endpoints[0].Address;
}
else
{
return null;
}
}
public static void Main()
{
var dnsName = Dns.GetHostName();
// Create a DiscoveryEndpoint that points to the DiscoveryProxy
var probeEndpointAddress = new Uri(string.Format("http://{0}:8001/Probe", dnsName));
var discoveryEndpoint = new DiscoveryEndpoint(new BasicHttpBinding(), new EndpointAddress(probeEndpointAddress));
var discoveryClient = new DiscoveryClient(discoveryEndpoint);
Console.WriteLine("Finding ICalculatorService endpoints using the proxy at {0}", probeEndpointAddress);
Console.WriteLine();
try
{
// Find ICalculatorService endpoints
FindResponse findResponse = discoveryClient.Find(new FindCriteria(typeof(ICalculatorService)));
Console.WriteLine("Found {0} ICalculatorService endpoint(s).", findResponse.Endpoints.Count);
Console.WriteLine();
// Check to see if endpoints were found, if so then invoke the service.
if (findResponse.Endpoints.Count > 0)
{
InvokeCalculatorService(findResponse.Endpoints[0].Address);
}
}
catch (TargetInvocationException)
{
Console.WriteLine("This client was unable to connect to and query the proxy. Ensure that the proxy is up and running.");
}
Console.WriteLine("Press <ENTER> to exit.");
Console.ReadLine();
}
public static LobbyWindow lanGame(UserAccount account, ILobbyGUI gui)
{
DiscoveryClient dc = new DiscoveryClient(new UdpDiscoveryEndpoint());
FindCriteria fc = new FindCriteria(typeof(IDiscoveryTest));
fc.Duration = TimeSpan.FromSeconds(5);
FindResponse fr = dc.Find(fc);
if (fr.Endpoints.Count > 0)
{
ip = fr.Endpoints[0].Address.Uri.Host.ToString();
}
else
{
string HostName = System.Net.Dns.GetHostName();
System.Net.IPHostEntry hostInfo = System.Net.Dns.GetHostByName(HostName);
string IpAdresse = hostInfo.AddressList[0].ToString();
ip = IpAdresse;
Server server = new Server(new WCFTCPServiceFactory(),ip);
server.run();
}
factory = new WCFTCPConnectionFactory();
lobbyWindow = new LobbyWindow(account, gui, factory);
factory.connectToLobby(ip, lobbyWindow);
return lobbyWindow;
}
public static MediaDevice[] GetAvailableMediaDevices()
{
DiscoveryClient discoveryClient = new DiscoveryClient(new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005));
FindCriteria findCriteria = new FindCriteria
{
Duration = TimeSpan.FromSeconds(1),
MaxResults = 15
};
findCriteria.ContractTypeNames.Add(new XmlQualifiedName("NetworkVideoTransmitter", @"http://www.onvif.org/ver10/network/wsdl"));
FindResponse findResponse = discoveryClient.Find(findCriteria);
List<MediaDevice> cameras = new List<MediaDevice>();
foreach (var point in findResponse.Endpoints)
{
Uri uri = point.ListenUris.FirstOrDefault(u => u.HostNameType == UriHostNameType.IPv4);
if (uri != null)
{
string name = ONVIFAgent.GetDeviceInformation(uri);
cameras.Add(new MediaDevice(name, uri));
}
}
return cameras.ToArray();
}
public static void Main(string[] args)
{
var endPoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005);
var discoveryClient = new System.ServiceModel.Discovery.DiscoveryClient(endPoint);
var findCriteria = new FindCriteria
{
Duration = TimeSpan.FromSeconds(3),
MaxResults = int.MaxValue
};
findCriteria.ContractTypeNames.Add(new XmlQualifiedName("NetworkVideoTransmitter", @"http://www.onvif.org/ver10/network/wsdl"));
Console.WriteLine("Initiating find operation.");
var response = discoveryClient.Find(findCriteria);
List <string> lst = new List <string>();
foreach (var e in response.Endpoints)
{
foreach (var item in e.ListenUris)
{
string uri = item.OriginalString;
string host = item.Host;
lst.Add(host + ": " + uri);
}
}
lst = lst.Distinct().ToList();
lst.ForEach(x => Console.WriteLine(x));
Console.WriteLine($"Operation returned - Found {lst.Count} endpoints.");
Console.ReadKey();
}
private DiscoveryEndpoint DiscoverEndpoint(DiscoveryEndpoint endpoint, bool required)
{
using (var discover = new DiscoveryClient(UdpDiscoveryEndpoint ?? new UdpDiscoveryEndpoint()))
{
var criteria = new FindCriteria(endpoint.Contract.ContractType) { MaxResults = 1 };
if (DiscoveryDuration.HasValue)
{
criteria.Duration = DiscoveryDuration.Value;
}
var discovered = discover.Find(criteria);
if (discovered.Endpoints.Count > 0)
{
var endpointMetadata = discovered.Endpoints[0];
var binding = Binding ?? AbstractChannelBuilder.GetBindingFromMetadata(endpointMetadata);
return new DiscoveryEndpoint(binding, endpointMetadata.Address);
}
if (required)
{
throw new EndpointNotFoundException("Unable to locate a ServiceCatalog on the network.");
}
return null;
}
}
static EndpointAddress FindCalculatorServiceAddress()
{
// Create DiscoveryClient
DiscoveryClient discoveryClient = new DiscoveryClient(new UdpDiscoveryEndpoint());
// Find ICalculatorService endpoints in the specified scope
Uri scope = new Uri("ldap:///ou=engineering,o=exampleorg,c=us");
FindCriteria findCriteria = new FindCriteria(typeof(ICalculatorService));
findCriteria.Scopes.Add(scope);
findCriteria.MaxResults = 1;
Console.WriteLine("Finding ICalculatorService endpoints within {0} scope...", scope);
Console.WriteLine();
FindResponse findResponse = discoveryClient.Find(findCriteria);
Console.WriteLine("Found {0} ICalculatorService endpoint(s).", findResponse.Endpoints.Count);
Console.WriteLine();
if (findResponse.Endpoints.Count > 0)
{
return findResponse.Endpoints[0].Address;
}
else
{
return null;
}
}
public static EndpointAddress DiscoverAddress()
{
Console.WriteLine("Discovery stated at " + DateTime.Now);
// Create DiscoveryClient
DiscoveryClient discoveryClient = new DiscoveryClient(new UdpDiscoveryEndpoint());
// Find ICalculatorService endpoints
FindResponse findResponse = discoveryClient.Find(new FindCriteria(typeof(IDatagramService)));
Console.WriteLine("Discovery finished at " + DateTime.Now);
if (findResponse.Endpoints.Count> 0)
{
foreach (var e in findResponse.Endpoints)
{
Console.WriteLine(e.Address + ", ContractTypeNames:" + e.ContractTypeNames
+ ", Scopes:" + e.Scopes + ", ListenUris:" + e.ListenUris);
}
return findResponse.Endpoints[0].Address;
}
else
{
Console.WriteLine("No service found.");
return null;
}
}
public EndpointAddress FindNotifierServiceAddress(int secondsTimeout)
{
DiscoveryClient discoveryClient = new DiscoveryClient(new UdpDiscoveryEndpoint());
FindCriteria criteria = new FindCriteria(typeof(INotifierService)) { Duration = new TimeSpan(0, 0, 0, secondsTimeout) };
FindResponse findResponse = discoveryClient.Find(criteria);
if (findResponse.Endpoints.Count > 0)
{
return findResponse.Endpoints[0].Address;
}
return null;
}
/// <summary>
/// Returns list of addresses of sync service in network.
/// </summary>
/// <returns>List of addresses.</returns>
public static IEnumerable<EndpointAddress> GetAddressesOfService()
{
var discoverclient = new DiscoveryClient(new UdpDiscoveryEndpoint());
FindResponse response = discoverclient.Find(new FindCriteria(typeof (ISyncService)));
discoverclient.Close();
return
response.Endpoints.Where(e => e.Address.ToString().ToUpper()
!= Constants.LocalSyncServiceEndpointAddress.ToUpper())
.Select(e => e.Address);
}
static EndpointAddress FindCalculatorServiceAddress()
{
DiscoveryClient discoveryClient = new DiscoveryClient(new UdpDiscoveryEndpoint());
FindResponse findResponse = discoveryClient.Find(new FindCriteria(typeof(ICalculator)));
if (findResponse.Endpoints.Count > 0)
{
return findResponse.Endpoints[0].Address;
}
else
{
return null;
}
}
public void Find_Service_Publisher_Ok()
{
DiscoveryClient discoveryClient =
new DiscoveryClient(new UdpDiscoveryEndpoint());
var publisherServices =
discoveryClient.Find(new FindCriteria(typeof(IPublisher)));
discoveryClient.Close();
Assert.False(publisherServices.Endpoints.Count == 0);
var serviceAddress = publisherServices.Endpoints[0].Address;
Assert.IsNotNull(serviceAddress);
}
public static ObservableCollection<EndpointAddress> ServicesAddressList()
{
var discoveryClient =
new DiscoveryClient(new UdpDiscoveryEndpoint());
var viewerServices =
discoveryClient.Find(new FindCriteria(typeof(IRemoteService)));
discoveryClient.Close();
var findServiceList =
new ObservableCollection<EndpointAddress>(viewerServices.Endpoints.Select(endpoint => endpoint.Address).ToList());
return findServiceList;
}
public static IList<EndpointDiscoveryMetadata> SearchServices()
{
DiscoveryClient discoveryClient = new DiscoveryClient(new UdpDiscoveryEndpoint());
try
{
FindResponse discoveryResponse = discoveryClient.Find(new FindCriteria(typeof(IComplexNetworkWorkerService)));
endpoints = discoveryResponse.Endpoints;
}
catch (Exception)
{
endpoints = new List<EndpointDiscoveryMetadata>();
}
return endpoints;
}
public static Uri WcfTestClient_DiscoverChannel()
{
var dc = new DiscoveryClient(new UdpDiscoveryEndpoint());
FindCriteria fc = new FindCriteria(typeof(IWcfPingTest));
fc.Duration = TimeSpan.FromSeconds(20);
FindResponse fr = dc.Find(fc);
foreach (EndpointDiscoveryMetadata edm in fr.Endpoints)
{
Console.WriteLine("uri found = " + edm.Address.Uri.ToString());
}
// here is the really nasty part
// i am just returning the first channel, but it may not work.
// you have to do some logic to decide which uri to use from the discovered uris
// for example, you may discover "127.0.0.1", but that one is obviously useless.
// also, catch exceptions when no endpoints are found and try again.
return fr.Endpoints[0].Address.Uri;
}
// ** DISCOVERY ** //
public List<EndpointAddress> FindService()
{
List<EndpointAddress> service = new List<EndpointAddress>();
DiscoveryClient discoveryClient =
new DiscoveryClient(new UdpDiscoveryEndpoint());
Collection<EndpointDiscoveryMetadata> publishService =
discoveryClient.Find(new FindCriteria(typeof(IServerManagement))).Endpoints;
discoveryClient.Close();
foreach (var server in publishService)
{
service.Add(server.Address);
}
return service;
}
public void TestMethod1()
{
var disco = new DiscoveryClient(new UdpDiscoveryEndpoint());
var response = disco.Find(
new FindCriteria(typeof(IMagicOracle))
{
Duration = TimeSpan.FromSeconds(2)
});
Assert.AreNotEqual(0, response.Endpoints.Count);
client = ChannelFactory<IMagicOracle>.CreateChannel(
new NetNamedPipeBinding(),
response.Endpoints[0].Address);
var result = client.Answer("Hoe laat is het?");
Console.WriteLine(result);
}
static void Main(string[] args)
{
DiscoveryClient discoveryClient = new DiscoveryClient(new UdpDiscoveryEndpoint());
FindCriteria criteria = new FindCriteria(typeof(ICalculator));
criteria.Scopes.Add(new Uri("http://www.artech.com/"));
FindResponse response = discoveryClient.Find(criteria);
if (response.Endpoints.Count > 0)
{
EndpointAddress address = response.Endpoints[0].Address;
using (ChannelFactory<ICalculator> channelFactory = new ChannelFactory<ICalculator>(new WS2007HttpBinding(), address))
{
ICalculator calculator = channelFactory.CreateChannel();
Console.WriteLine("x + y = {2} when x = {0} and y = {1}", 1, 2, calculator.Add(1, 2));
}
}
Console.Read();
}
static bool FindService()
{
Console.WriteLine("\nFinding Myservice Service ..");
DiscoveryClient discoveryClient =
new DiscoveryClient(new UdpDiscoveryEndpoint());
var Services =
discoveryClient.Find(new FindCriteria(typeof(Service.IService1)));
discoveryClient.Close();
if (Services == null)
{
Console.WriteLine("\nNo services are found.");
return false;
}
else
{
serviceAddress = Services.Endpoints[0].Address;
return true;
}
}
protected override void Execute(CodeActivityContext context)
{
DiscoveryClient discoveryClient = new DiscoveryClient(new UdpDiscoveryEndpoint());
FindCriteria findCriteria = new FindCriteria();
// Create a contract to add to the findCriteria. The search will be based on this contract.
findCriteria.ContractTypeNames.Add(new XmlQualifiedName("IPrintService", "http://tempuri.org/"));
findCriteria.MaxResults = 1;
findCriteria.Duration = new TimeSpan(0, 0, 0, 3);
FindResponse findResponse = discoveryClient.Find(findCriteria);
discoveryClient.Close();
if (findResponse.Endpoints.Count == 0)
{
throw new EndpointNotFoundException("Client was unable to find any matching endpoints using Discovery.");
}
this.DiscoveredEndpointUri.Set(context, findResponse.Endpoints[0].Address.Uri);
}
static void Main(string[] args)
{
var discovery = new DiscoveryClient(
new UdpDiscoveryEndpoint());
var criteria = new FindCriteria(typeof(EchoService))
{
Duration = TimeSpan.FromSeconds(2)
};
var service = discovery.Find(criteria);
foreach (var endpoint in service.Endpoints)
{
Console.WriteLine("{0}", endpoint.Address);
}
var channelFactory =
new ChannelFactory<EchoService>(
new BasicHttpBinding(),
service.Endpoints.FirstOrDefault().Address);
var response = channelFactory.CreateChannel().Echo("hello!");
Console.WriteLine(response);
}
public override DiscoveryEndpoint GetDiscoveryEndpoint()
{
var forContract = DiscoveryVersion != null
? new DiscoveryEndpoint(DiscoveryVersion, ServiceDiscoveryMode.Managed)
: new DiscoveryEndpoint();
using (var discover = new DiscoveryClient(GetUdpDiscoveryEndpoint()))
{
var criteria = GetSearchCriteria(forContract.Contract.ContractType);
RestrictDomain(criteria);
var discovered = discover.Find(criteria);
if (discovered.Endpoints.Count > 0)
{
var endpointMetadata = discovered.Endpoints[0];
var binding = AbstractChannelBuilder.GetBindingFromMetadata(endpointMetadata);
return new DiscoveryEndpoint(binding, endpointMetadata.Address);
}
}
return null;
}
public static void Main()
{
// Create DiscoveryClient
DiscoveryClient discoveryClient = new DiscoveryClient(new UdpDiscoveryEndpoint());
Console.WriteLine("Finding ICalculatorService endpoints...");
Console.WriteLine();
FindCriteria findCriteria = new FindCriteria(typeof(ICalculatorService));
findCriteria.Duration = TimeSpan.FromSeconds(5);
// Find ICalculatorService endpoints
FindResponse findResponse = discoveryClient.Find(findCriteria);
Console.WriteLine("Found {0} ICalculatorService endpoint(s).", findResponse.Endpoints.Count);
Console.WriteLine();
// Check to see if endpoints were found
if (findResponse.Endpoints.Count > 0)
{
EndpointDiscoveryMetadata discoveredEndpoint = findResponse.Endpoints[0];
// Check to see if the endpoint has a listenUri and if it differs from the Address URI
if (discoveredEndpoint.ListenUris.Count > 0 && discoveredEndpoint.Address.Uri != discoveredEndpoint.ListenUris[0])
{
// Since the service is using a unique ListenUri, it needs to be invoked at the correct ListenUri
InvokeCalculatorService(discoveredEndpoint.Address, discoveredEndpoint.ListenUris[0]);
}
else
{
// Endpoint was found, however it doesn't have a unique ListenUri, hence invoke the service with only the Address URI
InvokeCalculatorService(discoveredEndpoint.Address, null);
}
}
Console.WriteLine("Press <ENTER> to exit.");
Console.ReadLine();
}
public static void Main(string[] args)
{
var endPoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005);
var discoveryClient = new System.ServiceModel.Discovery.DiscoveryClient(endPoint);
discoveryClient.FindProgressChanged += DiscoveryClient_FindProgressChanged;
var findCriteria = new FindCriteria
{
Duration = TimeSpan.FromSeconds(10),
MaxResults = int.MaxValue
};
findCriteria.ContractTypeNames.Add(new XmlQualifiedName("NetworkVideoTransmitter", @"http://www.onvif.org/ver10/network/wsdl"));
Console.WriteLine("Initiating find operation.");
var response = discoveryClient.Find(findCriteria);
Console.WriteLine($"Operation returned - Found {response.Endpoints.Count} endpoints.");
Console.ReadKey();
}
private void DiscoverEndpoint(DiscoveryEndpoint discoveryEndpoint, DiscoveredEndpointModel model)
{
using (var discover = new DiscoveryClient(discoveryEndpoint))
{
var criteria = CreateSearchCriteria(model);
var discovered = discover.Find(criteria);
if (discovered.Endpoints.Count > 0)
{
var binding = model.Binding;
var endpointMetadata = discovered.Endpoints[0];
if (discovered.Endpoints.Count > 1 && model.EndpointPreference != null)
{
endpointMetadata = model.EndpointPreference(discovered.Endpoints);
if (endpointMetadata == null)
{
throw new EndpointNotFoundException(string.Format(
"More than one endpoint was discovered for contract {0}. " +
"However, an endpoint could be selected. This is most likely " +
"a bug with the user-defined endpoint prefeence.",
contract.FullName));
}
}
if (binding == null && model.DeriveBinding == false)
{
binding = GetBindingFromMetadata(endpointMetadata);
}
var address = endpointMetadata.Address;
if (model.Identity != null)
{
address = new EndpointAddress(address.Uri, model.Identity, address.Headers);
}
binding = GetEffectiveBinding(binding, address.Uri);
var innerCreator = GetChannel(contract, binding, address);
channelCreator = () =>
{
var channel = (IChannel)innerCreator();
if (channel is IContextChannel)
{
var metadata = new DiscoveredEndpointMetadata(endpointMetadata);
((IContextChannel)channel).Extensions.Add(metadata);
}
return channel;
};
}
else
{
throw new EndpointNotFoundException(string.Format(
"Unable to discover the endpoint for contract {0}. " +
"Either no service exists or it does not support discovery.",
contract.FullName));
}
}
}
