programming services-slides
DESCRIPTION
TRANSCRIPT
public abstract class Message : IDisposable {// numerous overloads for creating messagespublic static Message CreateMessage(...);// reads the body as XMLpublic XmlDictionaryReader GetReaderAtBodyContents();// deserializes the body into a .NET objectpublic T GetBody<T>(XmlObjectSerializer serializer);// numerous methods/overloads for writing messagespublic void WriteMessage(XmlDictionaryWriter writer);...
}
public class Invoice {
public string CustomerId;
private DateTime InvoiceDate;
public string SomePrivateData;
...
}
[DataContract]
[DataMember]
[DataMember]
public interface IInvoiceService {
void SubmitInvoice(Invoice invoice);
InvoiceStatus GetStatus(Invoice invoice);
void CancelInvoice(Invoice invoice);
}
[ServiceContract]
[OperationContract(IsOneWay=true)]
[OperationContract]
public class InvoiceService : IInvoiceService{
public void SubmitInvoice(Invoice invoice) {
... // implementation omitted
}
...}
[ServiceBehavior(InstanceContextMode=InstanceContextMode.Single,ConcurrencyMode=ConcurrencyMode.Multiple)]
[OperationBehavior(
Impersonation=ImpersonationOption.Required)]
class Program {
static void Main(string[] args) {
ServiceHost host =
new ServiceHost(typeof(InvoiceService));
... // configure the host before opening
try {
host.Open();
Console.ReadLine();
host.Close();
}
catch (Exception e) {
Console.WriteLine(e);
host.Abort();
}
}
}
<%@ ServiceHost Service="InvoiceService" %>
<configuration><system.serviceModel>
<!-- this is where you configure your WCF applications --></system.serviceModel>
</configuration>
...host.AddServiceEndpoint(
typeof(IInvoiceService), new BasicHttpBinding(), "http://server/invoiceservice");
host.AddServiceEndpoint(typeof(IInvoiceService), new NetTcpBinding(),"net.tcp://server:8081/invoiceservice");
host.Open();...
<configuration><system.serviceModel><services><service name="InvoiceService"><endpoint address="http://server/invoiceservice"
binding="basicHttpBinding"contract="IInvoiceService"/>
<endpoint address="net.tcp://server:8081/invoiceservice"binding="netTcpBinding"contract="IInvoiceService"/>
</service></services>
</system.serviceModel></configuration>
BasicHttpBinding b = new BasicHttpBinding();b.Security.Mode = BasicHttpSecurityMode.Transport;b.Security.Transport.ClientCredentialType =
HttpClientCredentialType.Basic;
host.AddServiceEndpoint(typeof(IInvoiceService), b,
"http://server/invoiceservice");...
<configuration><system.serviceModel>
<services><service name="InvoiceService">
<endpointaddress="https://server/invoiceservice"binding="basicHttpBinding"bindingConfiguration="MyBindingConfiguration"contract="IInvoiceService"/>
...</service>
</services><bindings>
<basicHttpBinding><binding name="MyBindingConfiguration">
<security mode="Transport"><transport clientCredentialType="Basic" />
</security></binding>
</basicHttpBinding></bindings>
</system.serviceModel></configuration>
...
ServiceHost host =
new ServiceHost(typeof(InvoiceService));
ServiceMetadataBehavior smb =
new ServiceMetadataBehavior();
smb.HttpGetEnabled = true;
host.Description.Behaviors.Add(smb);
host.Open();
...
<configuration><system.serviceModel>
<services>
<service name="InvoiceService"
behaviorConfiguration="MetadataBehavior">
...
</service></services>
<behaviors>
<serviceBehaviors>
<behavior name="MetadataBehavior">
<serviceMetadata httpGetEnabled="true" />
</behavior>
</serviceBehaviors>
</behaviors>
</system.serviceModel>
</configuration>
<configuration><system.serviceModel>
<services><service name="InvoiceService"
behaviorConfiguration="MetadataBehavior"><endpoint
address="net.tcp://server:80801/invoiceservice/mex"binding="mexTcpBinding"contract="IMetadataExchange"/>
...
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
<s:Body>
<s:Fault>
<faultcode xmlns:a="..." xmlns="">a:InternalServiceFault</faultcode>
<faultstring xml:lang="en-US" xmlns="">The server was unable to process the request
due to an internal error...</faultstring>
</s:Fault>
</s:Body>
</s:Envelope>
<configuration><system.serviceModel>
<behaviors><behavior name="Default">
<serviceDebug includeExceptionDetailInFaults="true" /></behaviors>
</behaviors></system.serviceModel>
</configuration>
...
public void DoSomething(string input) {
...
throw new FaultException("Something bad happened");
}
