/// <summary>
/// Looks for devices that host a service identified by its type and namespace.
/// It returns the transport address of the first matching service.
/// </summary>
public static string FindFirst(DpwsDiscoveryClient discoveryClient, string serviceTypeName, string namespaceUri)
{
if (discoveryClient == null)
{
throw new ArgumentNullException();
}
if (serviceTypeName == null)
{
throw new ArgumentNullException();
}
if (namespaceUri == null)
{
throw new ArgumentNullException();
}
Debug.Print("Discovering service devices...");
// Define search criterias
DpwsServiceType serviceType = new DpwsServiceType(serviceTypeName, namespaceUri);
DpwsServiceTypes filters = new DpwsServiceTypes();
filters.Add(serviceType);
// Probe for devices
DpwsServiceDescriptions probeMatches = discoveryClient.Probe(filters);
if (probeMatches != null && probeMatches.Count > 0)
{
// Remember transport address of the first device
string deviceTransportAddress = probeMatches[0].XAddrs[0];
// Request metadata to get the desired service and its ID
DpwsMexClient mexClient = new DpwsMexClient();
DpwsMetadata metadata = mexClient.Get(deviceTransportAddress);
// Check host service
DpwsMexService host = metadata.Relationship.Host;
if (host != null) // has host service
{
if (host.ServiceTypes[serviceTypeName] != null)
{
return(host.EndpointRefs[0].Address.AbsoluteUri);
}
}
// Check hosted services
DpwsMexServices hostedServices = metadata.Relationship.HostedServices;
if (hostedServices != null)
{
for (int i = 0; i < hostedServices.Count; ++i)
{
DpwsMexService hostedService = hostedServices[i];
if (hostedService.ServiceTypes[serviceTypeName] != null)
{
return(hostedService.EndpointRefs[0].Address.AbsoluteUri);
}
}
}
}
Debug.Print("No service found.");
return(null);
}
public void PrintMetadataInfo()
{
this.IgnoreRequestFromThisIP = true;
// This is the endpoint (logical) address of the target device
// we want to obtain the metadata
string deviceEndpointAddr = "urn:uuid:bde0943a-0516-c8ca-80a6-000000b525ed";
Debug.Print("Resolving the device...");
// We need to resolve the device to get the transport address
DpwsServiceDescription resolveMatch = this.DiscoveryClient.Resolve(deviceEndpointAddr);
if (resolveMatch != null)
{
// Device was located
string deviceTransportAddr = resolveMatch.XAddrs[0];
// Get metadata
DpwsMexClient mexClient = new DpwsMexClient();
DpwsMetadata metadata = mexClient.Get(deviceTransportAddr);
if (metadata != null)
{
Debug.Print("");
Debug.Print("Metadata:");
Debug.Print("ThisModel:");
Debug.Print("\tManufacturer: " + metadata.ThisModel.Manufacturer);
Debug.Print("\tManufacturerUrl: " + metadata.ThisModel.ManufacturerUrl);
Debug.Print("\tModelName: " + metadata.ThisModel.ModelName);
Debug.Print("\tModelNumber: " + metadata.ThisModel.ModelNumber);
Debug.Print("\tModelUrl: " + metadata.ThisModel.ModelUrl);
Debug.Print("\tPresentationUrl: " + metadata.ThisModel.PresentationUrl);
Debug.Print("ThisDevice:");
Debug.Print("\tFirmwareVersion: " + metadata.ThisDevice.FirmwareVersion);
Debug.Print("\tFriendlyName: " + metadata.ThisDevice.FriendlyName);
Debug.Print("\tSerialNumber: " + metadata.ThisDevice.SerialNumber);
DpwsMexService host = metadata.Relationship.Host;
if (host != null)
{
Debug.Print("Host:");
Debug.Print("\tServiceID: " + host.ServiceID);
Debug.Print("\tAddress: " + host.EndpointRefs[0].Address.AbsoluteUri);
Debug.Print("\tTypes:");
for (int t = 0; t < host.ServiceTypes.Count; ++t)
{
DpwsServiceType serviceType = host.ServiceTypes[t];
Debug.Print("\t\tName = " + serviceType.TypeName);
Debug.Print("\t\tNamespace = " + serviceType.NamespaceUri);
Debug.Print("");
}
}
DpwsMexServices hostedServices = metadata.Relationship.HostedServices;
if (hostedServices != null)
{
Debug.Print("HostedServices:");
for (int i = 0; i < hostedServices.Count; i++)
{
DpwsMexService hostedService = hostedServices[i];
Debug.Print("\tService ID: " + hostedService.ServiceID);
Debug.Print("\tAddress: " + hostedService.EndpointRefs[0].Address.AbsoluteUri);
Debug.Print("\tTypes:");
for (int t = 0; t < hostedService.ServiceTypes.Count; ++t)
{
DpwsServiceType serviceType = hostedService.ServiceTypes[t];
Debug.Print("\t\tName = " + serviceType.TypeName);
Debug.Print("\t\tNamespace = " + serviceType.NamespaceUri);
Debug.Print("");
}
}
}
}
else
{
Debug.Print("Did not get metadata from device.");
}
}
else
{
Debug.Print("Device cannot be resolved.");
}
}
public void PrintMetadataInfo()
{
// This is the endpoint (logical) address of the target device
// we want to obtain the metadata (keep in sync with SimpleService project)
string deviceEndpointAddr = "urn:uuid:18571766-87df-06e2-bb68-5136c48f483a";
Debug.Print("Resolving the device...");
// We need to resolve the device to get the transport address
DpwsServiceDescription resolveMatch = m_simpleServiceClient.DiscoveryClient.Resolve(deviceEndpointAddr);
//if(true)
if (resolveMatch != null)
{
// Device was located
string deviceTransportAddr = resolveMatch.XAddrs[0];
// If transport address ends with '/' remove it
int length = deviceTransportAddr.Length;
if (deviceTransportAddr[length - 1] == '/')
{
deviceTransportAddr = deviceTransportAddr.Substring(0, length - 1);
}
// Get metadata
DpwsMexClient mexClient = new DpwsMexClient(new ProtocolVersion10());
DpwsMetadata metadata = mexClient.Get(deviceTransportAddr);
if (metadata != null)
{
Debug.Print("");
Debug.Print("Metadata:");
Debug.Print("ThisModel:");
Debug.Print("\tManufacturer: " + metadata.ThisModel.Manufacturer);
Debug.Print("\tManufacturerUrl: " + metadata.ThisModel.ManufacturerUrl);
Debug.Print("\tModelName: " + metadata.ThisModel.ModelName);
Debug.Print("\tModelNumber: " + metadata.ThisModel.ModelNumber);
Debug.Print("\tModelUrl: " + metadata.ThisModel.ModelUrl);
Debug.Print("\tPresentationUrl: " + metadata.ThisModel.PresentationUrl);
Debug.Print("ThisDevice:");
Debug.Print("\tFirmwareVersion: " + metadata.ThisDevice.FirmwareVersion);
Debug.Print("\tFriendlyName: " + metadata.ThisDevice.FriendlyName);
Debug.Print("\tSerialNumber: " + metadata.ThisDevice.SerialNumber);
DpwsMexService host = metadata.Relationship.Host;
if (host != null)
{
Debug.Print("Host:");
Debug.Print("\tServiceID: " + host.ServiceID);
Debug.Print("\tAddress: " + host.EndpointRefs[0].Address.AbsoluteUri);
Debug.Print("\tTypes:");
for (int t = 0; t < host.ServiceTypes.Count; ++t)
{
DpwsServiceType serviceType = host.ServiceTypes[t];
Debug.Print("\t\tName = " + serviceType.TypeName);
Debug.Print("\t\tNamespace = " + serviceType.NamespaceUri);
Debug.Print("");
}
}
DpwsMexServices hostedServices = metadata.Relationship.HostedServices;
if (hostedServices != null)
{
Debug.Print("HostedServices:");
for (int i = 0; i < hostedServices.Count; i++)
{
DpwsMexService hostedService = hostedServices[i];
Debug.Print("\tService ID: " + hostedService.ServiceID);
Debug.Print("\tAddress: " + hostedService.EndpointRefs[0].Address.AbsoluteUri);
Debug.Print("\tTypes:");
for (int t = 0; t < hostedService.ServiceTypes.Count; ++t)
{
DpwsServiceType serviceType = hostedService.ServiceTypes[t];
Debug.Print("\t\tName = " + serviceType.TypeName);
Debug.Print("\t\tNamespace = " + serviceType.NamespaceUri);
Debug.Print("");
}
}
}
}
else
{
Debug.Print("Did not get metadata from device.");
}
}
else
{
Debug.Print("Device cannot be resolved.");
}
}
