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;
}
}
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;
}
}
void UseCase1Core (Uri serviceUri, AnnouncementEndpoint aEndpoint, DiscoveryEndpoint dEndpoint)
{
// actual service, announcing to 4989
var host = new ServiceHost (typeof (TestService));
var sdb = new ServiceDiscoveryBehavior ();
sdb.AnnouncementEndpoints.Add (aEndpoint);
host.Description.Behaviors.Add (sdb);
host.AddServiceEndpoint (typeof (ITestService), new BasicHttpBinding (), serviceUri);
host.Open ();
// It does not start announcement very soon, so wait for a while.
Thread.Sleep (1000);
foreach (var edm in host.Extensions.Find<DiscoveryServiceExtension> ().PublishedEndpoints)
TextWriter.Null.WriteLine ("Published Endpoint: " + edm.Address);
try {
// actual client, with DiscoveryClientBindingElement
var be = new DiscoveryClientBindingElement () { DiscoveryEndpointProvider = new ManagedDiscoveryEndpointProvider (dEndpoint) };
var clientBinding = new CustomBinding (new BasicHttpBinding ());
clientBinding.Elements.Insert (0, be);
var cf = new ChannelFactory<ITestService> (clientBinding, DiscoveryClientBindingElement.DiscoveryEndpointAddress);
var ch = cf.CreateChannel ();
Assert.AreEqual ("TEST", ch.Echo ("TEST"), "#1");
} finally {
host.Close ();
}
}
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 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();
}
private static ServiceHost HostDiscoveryEndpoint(string hostName)
{
// Create a new ServiceHost with a singleton ChatDiscovery Proxy
ServiceHost myProxyHost = new
ServiceHost(new ChatDiscoveryProxy());
string proxyAddress = "net.tcp://" +
hostName + ":8001/discoveryproxy";
// Create the discovery endpoint
DiscoveryEndpoint discoveryEndpoint =
new DiscoveryEndpoint(
new NetTcpBinding(),
new EndpointAddress(proxyAddress));
discoveryEndpoint.IsSystemEndpoint = false;
// Add UDP Annoucement endpoint
myProxyHost.AddServiceEndpoint(new UdpAnnouncementEndpoint());
// Add the discovery endpoint
myProxyHost.AddServiceEndpoint(discoveryEndpoint);
myProxyHost.Open();
Console.WriteLine("Discovery Proxy {0}",
proxyAddress);
return myProxyHost;
}
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.");
}
}
static void RunCodeUnderDiscoveryHost (Uri serviceUri, Uri aHostUri, Action<Uri,AnnouncementEndpoint,DiscoveryEndpoint> action)
{
var abinding = new CustomBinding (new HttpTransportBindingElement ());
var aAddress = new EndpointAddress (aHostUri);
var aEndpoint = new AnnouncementEndpoint (abinding, aAddress);
var dBinding = new CustomBinding (new TextMessageEncodingBindingElement (), new TcpTransportBindingElement ());
var dEndpoint = new DiscoveryEndpoint (DiscoveryVersion.WSDiscovery11, ServiceDiscoveryMode.Adhoc, dBinding, new EndpointAddress ("net.tcp://localhost:9090/"));
var ib = new InspectionBehavior ();
ib.RequestReceived += delegate (ref Message msg, IClientChannel
channel, InstanceContext instanceContext) {
var mb = msg.CreateBufferedCopy (0x10000);
msg = mb.CreateMessage ();
Console.Error.WriteLine (mb.CreateMessage ());
return null;
};
ib.ReplySending += delegate (ref Message msg, object o) {
var mb = msg.CreateBufferedCopy (0x10000);
msg = mb.CreateMessage ();
Console.Error.WriteLine (mb.CreateMessage ());
};
dEndpoint.Behaviors.Add (ib);
aEndpoint.Behaviors.Add (ib);
action (serviceUri, aEndpoint, dEndpoint);
}
static void RunCodeUnderDiscoveryHost (Uri serviceUri, Uri dHostUri, Action<Uri,AnnouncementEndpoint,DiscoveryEndpoint> action)
{
var aEndpoint = new UdpAnnouncementEndpoint (DiscoveryVersion.WSDiscoveryApril2005, new Uri ("soap.udp://239.255.255.250:3802/"));
var dbinding = new CustomBinding (new HttpTransportBindingElement ());
var dAddress = new EndpointAddress (dHostUri);
var dEndpoint = new DiscoveryEndpoint (dbinding, dAddress);
var ib = new InspectionBehavior ();
ib.RequestReceived += delegate (ref Message msg, IClientChannel
channel, InstanceContext instanceContext) {
var mb = msg.CreateBufferedCopy (0x10000);
msg = mb.CreateMessage ();
Console.Error.WriteLine (mb.CreateMessage ());
return null;
};
ib.ReplySending += delegate (ref Message msg, object o) {
var mb = msg.CreateBufferedCopy (0x10000);
msg = mb.CreateMessage ();
Console.Error.WriteLine (mb.CreateMessage ());
};
dEndpoint.Behaviors.Add (ib);
aEndpoint.Behaviors.Add (ib);
action (serviceUri, aEndpoint, dEndpoint);
}
public ManagedProxyDiscoveryServiceHost(IEndpointMetadataProvider endpointMetadataProvider, IDiscoveryServiceResolver discoveryServiceResolver, params PluginBase[] plugins)
: base(new ManagedProxyDiscoveryService(endpointMetadataProvider, plugins))
{
var announcementEndpoint = new AnnouncementEndpoint(discoveryServiceResolver.AnnouncementBinding, new EndpointAddress(discoveryServiceResolver.AnnouncementEndpoint));
var probeEndpoint = new DiscoveryEndpoint(discoveryServiceResolver.ProbeBinding, new EndpointAddress(discoveryServiceResolver.ProbeEndpoint));
probeEndpoint.IsSystemEndpoint = false;
AddServiceEndpoint(announcementEndpoint);
AddServiceEndpoint(probeEndpoint);
}
public DiscoveryProxyEndpoint(DiscoveryEndpoint endpoint)
{
if (endpoint == null)
{
throw new ArgumentNullException("endpoint");
}
this.endpoint = endpoint;
}
static void RunCodeUnderDiscoveryHost (Uri serviceUri, Uri dHostUri, Uri aHostUri, Action<Uri,AnnouncementEndpoint,DiscoveryEndpoint> action)
{
var abinding = new CustomBinding (new HttpTransportBindingElement ());
var aAddress = new EndpointAddress (aHostUri);
var aEndpoint = new AnnouncementEndpoint (abinding, aAddress);
var dbinding = new CustomBinding (new HttpTransportBindingElement ());
var dAddress = new EndpointAddress (dHostUri);
var dEndpoint = new DiscoveryEndpoint (dbinding, dAddress);
action (serviceUri, aEndpoint, dEndpoint);
}
void InitializeAndFindAsync()
{
DiscoveryEndpoint discoveryEndpoint = this.discoveryEndpointProvider.GetDiscoveryEndpoint();
if (discoveryEndpoint == null)
{
throw FxTrace.Exception.AsError(
new InvalidOperationException(
SR.DiscoveryMethodImplementationReturnsNull("GetDiscoveryEndpoint", this.discoveryEndpointProvider.GetType())));
}
this.discoveryClient = new DiscoveryClient(discoveryEndpoint);
this.discoveryClient.FindProgressChanged += new EventHandler <FindProgressChangedEventArgs>(OnFindProgressChanged);
this.discoveryClient.FindCompleted += new EventHandler <FindCompletedEventArgs>(OnFindCompleted);
SynchronizationContext originalSynchronizationContext = SynchronizationContext.Current;
if (originalSynchronizationContext != null)
{
SynchronizationContext.SetSynchronizationContext(null);
if (TD.SynchronizationContextSetToNullIsEnabled())
{
TD.SynchronizationContextSetToNull();
}
}
try
{
// AsyncOperation uses the SynchronizationContext set during its
// initialization to Post the FindProgressed and FindProgressCompleted
// events. Hence even if the async operation does not complete
// synchronously, the right SynchronizationContext will be used by
// AsyncOperation.
this.discoveryClient.FindAsync(this.findCriteria, this);
}
finally
{
if (originalSynchronizationContext != null)
{
SynchronizationContext.SetSynchronizationContext(originalSynchronizationContext);
if (TD.SynchronizationContextResetIsEnabled())
{
TD.SynchronizationContextReset(originalSynchronizationContext.GetType().ToString());
}
}
}
if (TD.FindInitiatedInDiscoveryClientChannelIsEnabled())
{
TD.FindInitiatedInDiscoveryClientChannel();
}
}
public ResolveAsyncResult(ResolveCriteria resolveCriteria, DiscoveryEndpoint forwardingDiscoveryEndpoint, AsyncCallback callback, object state)
: base(callback, state)
{
this.resolveCriteria = resolveCriteria;
this.discoveryClient = new DiscoveryClient(forwardingDiscoveryEndpoint);
this.discoveryClient.ResolveCompleted += new EventHandler<ResolveCompletedEventArgs>(ResolveCompleted);
// Forwards the Resolve request message
this.discoveryClient.ResolveAsync(resolveCriteria);
}
static void UseCase1Core (Uri serviceUri, DiscoveryEndpoint dEndpoint)
{
// actual client, with DiscoveryClientBindingElement
var be = new DiscoveryClientBindingElement () { DiscoveryEndpointProvider = new ManagedDiscoveryEndpointProvider (dEndpoint) };
var clientBinding = new CustomBinding (new BasicHttpBinding ());
clientBinding.Elements.Insert (0, be);
clientBinding.SendTimeout = TimeSpan.FromSeconds (10);
clientBinding.ReceiveTimeout = TimeSpan.FromSeconds (10);
var cf = new ChannelFactory<ITestService> (clientBinding, DiscoveryClientBindingElement.DiscoveryEndpointAddress);
var ch = cf.CreateChannel ();
Console.WriteLine (ch.Echo ("TEST"));
}
private void DiscoveryEndpointFaulted(object sender, DiscoveryEndpointFaultEventArgs args)
{
using (var locker = @lock.ForReadingUpgradeable())
{
if (args.Culprit != endpoint)
return;
locker.Upgrade();
endpoint = null;
}
}
static void UseCase1Core (Uri serviceUri, AnnouncementEndpoint aEndpoint, DiscoveryEndpoint dEndpoint)
{
var host = new ServiceHost (typeof (TestService));
var sdb = new ServiceDiscoveryBehavior ();
sdb.AnnouncementEndpoints.Add (aEndpoint);
host.Description.Behaviors.Add (sdb);
host.AddServiceEndpoint (typeof (ITestService), new BasicHttpBinding (), serviceUri);
host.Open ();
Console.WriteLine ("Type [CR] to quit ...");
Console.ReadLine ();
host.Close ();
}
public DiscoveryClient (DiscoveryEndpoint discoveryEndpoint)
{
if (discoveryEndpoint == null)
throw new ArgumentNullException ("discoveryEndpoint");
// create DiscoveryTargetClientXX for each version:
// Managed -> DiscoveryTargetClientType (request-reply)
// Adhoc -> DiscoveryProxyClientType (duplex)
if (discoveryEndpoint.DiscoveryMode == ServiceDiscoveryMode.Managed)
client = Activator.CreateInstance (discoveryEndpoint.DiscoveryVersion.DiscoveryProxyClientType, new object [] {discoveryEndpoint});
else
client = Activator.CreateInstance (discoveryEndpoint.DiscoveryVersion.DiscoveryTargetClientType, new object [] {discoveryEndpoint});
}
static void RunCodeUnderDiscoveryHost (Uri serviceUri, Uri aHostUri)
{
// announcement service
var abinding = new CustomBinding (new HttpTransportBindingElement ());
var aAddress = new EndpointAddress (aHostUri);
var aEndpoint = new AnnouncementEndpoint (abinding, aAddress);
// discovery service
var dBinding = new CustomBinding (new TextMessageEncodingBindingElement (), new TcpTransportBindingElement ());
var dEndpoint = new DiscoveryEndpoint (DiscoveryVersion.WSDiscovery11, ServiceDiscoveryMode.Adhoc, dBinding, new EndpointAddress ("net.tcp://" + hostname + ":9090/"));
// Without this, .NET rejects the host as if it had no service.
dEndpoint.IsSystemEndpoint = false;
var ib = new InspectionBehavior ();
ib.ReplySending += delegate (ref Message msg, object o) {
var mb = msg.CreateBufferedCopy (0x10000);
msg = mb.CreateMessage ();
Console.Error.WriteLine (mb.CreateMessage ());
};
ib.RequestReceived += delegate (ref Message msg, IClientChannel channel, InstanceContext instanceContext) {
var mb = msg.CreateBufferedCopy (0x10000);
msg = mb.CreateMessage ();
Console.Error.WriteLine (mb.CreateMessage ());
return null;
};
ib.ReplyReceived += delegate (ref Message msg, object o) {
var mb = msg.CreateBufferedCopy (0x10000);
msg = mb.CreateMessage ();
Console.Error.WriteLine (mb.CreateMessage ());
};
ib.RequestSending += delegate (ref Message msg, IClientChannel channel) {
var mb = msg.CreateBufferedCopy (0x10000);
msg = mb.CreateMessage ();
Console.Error.WriteLine (mb.CreateMessage ());
return null;
};
dEndpoint.Behaviors.Add (ib);
aEndpoint.Behaviors.Add (ib);
// it internally hosts an AnnouncementService
using (var inst = new AnnouncementBoundDiscoveryService (aEndpoint)) {
var host = new ServiceHost (inst);
host.AddServiceEndpoint (dEndpoint);
host.Description.Behaviors.Find<ServiceDebugBehavior> ()
.IncludeExceptionDetailInFaults = true;
host.Open ();
Console.WriteLine ("Type [CR] to quit...");
Console.ReadLine ();
host.Close ();
}
}
public FindAsyncResult(FindRequestContext findRequestContext, DiscoveryEndpoint forwardingDiscoveryEndpoint, AsyncCallback callback, object state)
: base(callback, state)
{
// Store the context. Responses will be added to this context
this.findRequestContext = findRequestContext;
// Attach delegates which will handle the find responses
this.discoveryClient = new DiscoveryClient(forwardingDiscoveryEndpoint);
this.discoveryClient.FindProgressChanged += new EventHandler<FindProgressChangedEventArgs>(FindProgressChanged);
this.discoveryClient.FindCompleted += new EventHandler<FindCompletedEventArgs>(FindCompleted);
// Forward the Probe request message
this.discoveryClient.FindAsync(findRequestContext.Criteria);
}
// copied from UdpDiscoveryEndpointTest.
public void TestDiscoveryEndpoint (DiscoveryEndpoint de)
{
Assert.AreEqual (DiscoveryVersion.WSDiscovery11, de.DiscoveryVersion, "#1");
Assert.AreEqual (ServiceDiscoveryMode.Adhoc, de.DiscoveryMode, "#2");
Assert.AreEqual (TimeSpan.FromMilliseconds (500), de.MaxResponseDelay, "#3");
var cd = de.Contract;
Assert.IsNotNull (cd, "#11");
Assert.IsNotNull (de.Binding, "#12");
TransportBindingElement tbe;
Assert.IsTrue (de.Binding.CreateBindingElements ().Any (be => (tbe = be as TransportBindingElement) != null && tbe.Scheme == "soap.udp"), "#12-2");
Assert.IsNotNull (de.Address, "#13");
Assert.AreEqual (DiscoveryVersion.WSDiscovery11.AdhocAddress, de.Address.Uri, "#13-2");
Assert.AreEqual (Socket.SupportsIPv4 ? UdpDiscoveryEndpoint.DefaultIPv4MulticastAddress : UdpDiscoveryEndpoint.DefaultIPv6MulticastAddress, de.ListenUri, "#14");
}
public override DiscoveryEndpoint GetDiscoveryEndpoint()
{
using (var locker = @lock.ForReadingUpgradeable())
{
if (endpoint != null)
return endpoint;
locker.Upgrade();
if (endpoint == null)
endpoint = inner.GetDiscoveryEndpoint();
return endpoint;
}
}
public void DefaultValues ()
{
var de = new DiscoveryEndpoint ();
Assert.AreEqual (DiscoveryVersion.WSDiscovery11, de.DiscoveryVersion, "#1");
Assert.AreEqual (ServiceDiscoveryMode.Managed, de.DiscoveryMode, "#2");
Assert.AreEqual (TimeSpan.Zero, de.MaxResponseDelay, "#3");
var cd = de.Contract;
Assert.IsNotNull (cd, "#11"); // some version-dependent internal type.
Assert.AreEqual ("http://docs.oasis-open.org/ws-dd/ns/discovery/2009/01", cd.Namespace, "#11-2");
Assert.AreEqual ("DiscoveryProxy", cd.Name, "#11-3");
Assert.AreEqual (2, cd.Operations.Count, "#11-4");
Assert.IsTrue (cd.Operations.Any (od => !od.IsOneWay && od.Messages.Any (md => md.Action == "http://docs.oasis-open.org/ws-dd/ns/discovery/2009/01/Probe")), "#11-5");
Assert.IsTrue (cd.Operations.Any (od => !od.IsOneWay && od.Messages.Any (md => md.Action == "http://docs.oasis-open.org/ws-dd/ns/discovery/2009/01/Resolve")), "#11-6");
Assert.IsNull (de.Binding, "#12");
Assert.IsNull (de.Address, "#13");
Assert.IsNull (de.ListenUri, "#14");
}
public static void Main()
{
Uri probeEndpointAddress = new Uri("net.tcp://localhost:8001/Probe");
Uri announcementEndpointAddress = new Uri("net.tcp://localhost:9021/Announcement");
// Host the DiscoveryProxy service
ServiceHost proxyServiceHost = new ServiceHost(new DiscoveryProxyService());
try
{
// Add DiscoveryEndpoint to receive Probe and Resolve messages
DiscoveryEndpoint discoveryEndpoint = new DiscoveryEndpoint(new NetTcpBinding(), new EndpointAddress(probeEndpointAddress));
discoveryEndpoint.IsSystemEndpoint = false;
// Add AnnouncementEndpoint to receive Hello and Bye announcement messages
AnnouncementEndpoint announcementEndpoint = new AnnouncementEndpoint(new NetTcpBinding(), new EndpointAddress(announcementEndpointAddress));
proxyServiceHost.AddServiceEndpoint(discoveryEndpoint);
proxyServiceHost.AddServiceEndpoint(announcementEndpoint);
proxyServiceHost.Open();
Console.WriteLine("Proxy Service started.");
Console.WriteLine();
Console.WriteLine("Press <ENTER> to terminate the service.");
Console.WriteLine();
Console.ReadLine();
proxyServiceHost.Close();
}
catch (CommunicationException e)
{
Console.WriteLine(e.Message);
}
catch (TimeoutException e)
{
Console.WriteLine(e.Message);
}
if (proxyServiceHost.State != CommunicationState.Closed)
{
Console.WriteLine("Aborting the service...");
proxyServiceHost.Abort();
}
}
public DiscoveryClient(DiscoveryEndpoint discoveryEndpoint)
{
if (discoveryEndpoint == null)
{
throw new ArgumentNullException("discoveryEndpoint");
}
// create DiscoveryTargetClientXX for each version:
// Managed -> DiscoveryTargetClientType (request-reply)
// Adhoc -> DiscoveryProxyClientType (duplex)
if (discoveryEndpoint.DiscoveryMode == ServiceDiscoveryMode.Managed)
{
client = Activator.CreateInstance(discoveryEndpoint.DiscoveryVersion.DiscoveryProxyClientType, new object [] { discoveryEndpoint });
}
else
{
client = Activator.CreateInstance(discoveryEndpoint.DiscoveryVersion.DiscoveryTargetClientType, new object [] { discoveryEndpoint });
}
}
public void AdhocDefaultValues ()
{
var de = new DiscoveryEndpoint (DiscoveryVersion.WSDiscoveryCD1, ServiceDiscoveryMode.Adhoc);
Assert.AreEqual (DiscoveryVersion.WSDiscoveryCD1, de.DiscoveryVersion, "#1");
Assert.AreEqual (ServiceDiscoveryMode.Adhoc, de.DiscoveryMode, "#2");
Assert.AreEqual (TimeSpan.Zero, de.MaxResponseDelay, "#3");
var cd = de.Contract;
Assert.IsNotNull (cd, "#11"); // some version-dependent internal type.
Assert.AreEqual ("http://docs.oasis-open.org/ws-dd/ns/discovery/2008/09", cd.Namespace, "#11-2");
Assert.AreEqual ("TargetService", cd.Name, "#11-3");
Assert.AreEqual (5, cd.Operations.Count, "#11-4");
Assert.IsTrue (cd.Operations.Any (od => od.IsOneWay && od.Messages.Any (md => md.Action == "http://docs.oasis-open.org/ws-dd/ns/discovery/2008/09/Probe")), "#11-5");
Assert.IsTrue (cd.Operations.Any (od => od.IsOneWay && od.Messages.Any (md => md.Action == "http://docs.oasis-open.org/ws-dd/ns/discovery/2008/09/Resolve")), "#11-6");
Assert.IsTrue (cd.Operations.Any (od => od.IsOneWay && od.Messages.Any (md => md.Action == "http://docs.oasis-open.org/ws-dd/ns/discovery/2008/09/ProbeMatches")), "#11-7");
Assert.IsTrue (cd.Operations.Any (od => od.IsOneWay && od.Messages.Any (md => md.Action == "http://docs.oasis-open.org/ws-dd/ns/discovery/2008/09/ResolveMatches")), "#11-8");
Assert.IsTrue (cd.Operations.Any (od => od.IsOneWay && od.Messages.Any (md => md.Action == "http://docs.oasis-open.org/ws-dd/ns/discovery/2008/09/Hello")), "#11-9");
Assert.IsNull (de.Binding, "#12");
Assert.IsNull (de.Address, "#13");
Assert.IsNull (de.ListenUri, "#14");
}
static void RunCodeUnderDiscoveryHost (Uri serviceUri, Uri dHostUri, Action<Uri,DiscoveryEndpoint> action)
{
var dbinding = new CustomBinding (new HttpTransportBindingElement ());
var dAddress = new EndpointAddress (dHostUri);
var dEndpoint = new DiscoveryEndpoint (dbinding, dAddress);
var ib = new InspectionBehavior ();
ib.RequestSending += delegate (ref Message msg, IClientChannel channel) {
var mb = msg.CreateBufferedCopy (0x10000);
msg = mb.CreateMessage ();
Console.WriteLine (mb.CreateMessage ());
return null;
};
ib.ReplyReceived += delegate (ref Message msg, object id) {
var mb = msg.CreateBufferedCopy (0x10000);
msg = mb.CreateMessage ();
Console.WriteLine (mb.CreateMessage ());
};
dEndpoint.Behaviors.Add (ib);
action (serviceUri, dEndpoint);
}
public static void Main()
{
Uri baseAddress = new Uri("net.tcp://localhost:8001/DiscoveryRouter/");
ServiceHost serviceHost = new ServiceHost(new DiscoveryRoutingService(new UdpDiscoveryEndpoint()), baseAddress);
try
{
DiscoveryEndpoint discoveryEndpoint = new DiscoveryEndpoint(new NetTcpBinding(), new EndpointAddress("net.tcp://localhost:8001/DiscoveryRouter/"));
discoveryEndpoint.IsSystemEndpoint = false;
serviceHost.AddServiceEndpoint(discoveryEndpoint);
serviceHost.Open();
Console.WriteLine("Discovery Routing Service started at {0}", baseAddress);
Console.WriteLine();
Console.WriteLine("Press <ENTER> to terminate the service.");
Console.WriteLine();
Console.ReadLine();
serviceHost.Close();
}
catch (CommunicationException e)
{
Console.WriteLine(e.Message);
}
catch (TimeoutException e)
{
Console.WriteLine(e.Message);
}
if (serviceHost.State != CommunicationState.Closed)
{
Console.WriteLine("Aborting the service...");
serviceHost.Abort();
}
}
void RunCodeUnderDiscoveryHost1 (Uri serviceUri, Uri dHostUri, Uri aHostUri, Action<Uri,AnnouncementEndpoint,DiscoveryEndpoint> action)
{
// announcement service
var abinding = new CustomBinding (new HttpTransportBindingElement ());
var aAddress = new EndpointAddress (aHostUri);
var aEndpoint = new AnnouncementEndpoint (abinding, aAddress);
// discovery service
var dbinding = new CustomBinding (new HttpTransportBindingElement ());
var dAddress = new EndpointAddress (dHostUri);
var dEndpoint = new DiscoveryEndpoint (dbinding, dAddress);
// Without this, .NET rejects the host as if it had no service.
dEndpoint.IsSystemEndpoint = false;
// it internally hosts an AnnouncementService
using (var inst = new AnnouncementBoundDiscoveryService (aEndpoint)) {
var host = new ServiceHost (inst);
host.AddServiceEndpoint (dEndpoint);
try {
host.Open ();
action (serviceUri, aEndpoint, dEndpoint);
} finally {
host.Close ();
}
}
}
public SimpleDiscoveryEndpointProvider (DiscoveryEndpoint endpoint)
{
this.endpoint = endpoint;
}
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));
}
}
}
internal DiscoveryOperationContextExtension(DiscoveryEndpoint endpoint)
{
this.endpoint = endpoint;
}
public ManagedDiscoveryEndpointProvider (DiscoveryEndpoint endpoint)
{
this.endpoint = endpoint;
}
public SimpleDiscoveryEndpointProvider(DiscoveryEndpoint value)
{
this.value = value;
}
