WCF技术剖析 Two

WCF终结点和寻址之--AddressHead信息匹配代码

Contracts契约

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.ServiceModel;
 6 
 7 namespace Artech.WcfServices.Contracts
 8 {
 9     [ServiceContract(Name="CalculatorService",Namespace="http://www.artech.com/")]
10     public interface ICalculator
11     {
12         
13         [OperationContract]
14         double Add(double x, double y);
15 
16         [OperationContract]
17         double Subtract(double x, double y);
18         
19         [OperationContract]
20         double Multiply(double x, double y);
21 
22         [OperationContract]
23         double Divide(double x, double y);
24     }
25 }

View Code

Services服务，

完全匹配属性：[ServiceBehavior(AddressFilterMode=AddressFilterMode.Any)]

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using Artech.WcfServices.Contracts;
 6 using System.ServiceModel;
 7 
 8 namespace Artech.WcfServices.Services
 9 {
10     [ServiceBehavior(AddressFilterMode=AddressFilterMode.Any)]
11     public class CalculatorService : ICalculator
12     {
13         public double Add(double x, double y)
14         {
15             return x + y;
16         }
17 
18         public double Subtract(double x, double y)
19         {
20             return x - y;
21         }
22 
23         public double Multiply(double x, double y)
24         {
25             return x * y;
26         }
27 
28         public double Divide(double x, double y)
29         {
30             return x / y;
31         }
32     }
33 }

View Code

Hosting主机注册，

需要匹配的信息

string headevalue = "licensed user";
string headerNmae = "userType";
string headNamespace = "http://www.artech.com/";

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.ServiceModel;
 6 using System.ServiceModel.Description;
 7 using Artech.WcfServices.Contracts;
 8 using Artech.WcfServices.Services;
 9 using System.ServiceModel.Channels;
10 
11 namespace Artech.WcfServices.Hosting
12 {
13     class Program
14     {
15         static void Main(string[] args)
16         {
17             using (ServiceHost servicehost = new ServiceHost(typeof(CalculatorService),
18                 new Uri("http://127.0.0.1:9999/CalculatorService")))
19             {
20                 string headevalue = "licensed user";
21                 string headerNmae = "userType";
22                 string headNamespace = "http://www.artech.com/";
23 
24                 AddressHeader header = AddressHeader.CreateAddressHeader(headerNmae, headNamespace, headevalue);
25 
26                 EndpointAddress endpointAddress = new EndpointAddress
27                     (new Uri("http://127.0.0.1:9999/CalculatorService"), header);
28 
29                 ServiceEndpoint serviceEndpoint = new ServiceEndpoint(ContractDescription.GetContract(typeof(ICalculator)), new
30                 WSHttpBinding(), endpointAddress);
31 
32                 servicehost.Description.Endpoints.Add(serviceEndpoint);
33                 
34                 ServiceMetadataBehavior behavior = new ServiceMetadataBehavior();
35                 behavior.HttpGetEnabled = true;
36                 servicehost.Description.Behaviors.Add(behavior);
37 
38                 servicehost.Opened += delegate
39                 {
40                     Console.WriteLine("Service begin to listen via the Address:{0}",
41             servicehost.BaseAddresses[0].ToString());
42                 };
43 
44                 servicehost.Open();
45 
46                 Console.ReadLine();
47 
48             }
49     
50         }
51     }
52 }

View Code

客户端调用

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <system.serviceModel>
    <client>
      <endpoint name="CalculatorService" address="http://127.0.1.1:9999/CalculatorService" binding ="wsHttpBinding"
                contract="Artech.WcfServices.Contracts.ICalculator" >
        <headers>
          <userType xmlns="http://www.artech.com/">chenJian</userType>
        </headers>
      </endpoint>
    </client>
  </system.serviceModel>
</configuration>

View Code

 

客户端-App.Config配置

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using Artech.WcfServices.Contracts;
 6 using System.ServiceModel;
 7 using System.ServiceModel.Channels;
 8 
 9 namespace ClientConsole
10 {
11     class Program
12     {
13         static void Main(string[] args)
14         {
15             using (ChannelFactory<ICalculator> channelFactory = new
16                 ChannelFactory<ICalculator>("CalculatorService"))
17             {
18                 ICalculator proxy = channelFactory.CreateChannel();
19                 using (proxy as IDisposable)
20                 {
21                    Console.WriteLine("x+y={0}", proxy.Add(1, 2));
22                     Console.WriteLine("x-y={0}", proxy.Subtract(1, 2));
23 
24 
25 
26                     Console.ReadLine();
27 
28                 }
29             }
30         }
31     }
32 }

View Code