使用消息头向服务发送额外的信息的实例演示

1 namespace Client
2 {
3 class Program
4 {
5 static void Main(string[] args)
6 {
7 CalculatorClient client = new CalculatorClient("secure");
8 double n1 = 5.6;
9 double n2 = 7.3;
10 double result;
11
12 result = client.Add(n2, n1);
13 Console.WriteLine("执行加法后的结果为：{0}", result.ToString());
14
15 result = client.Subtract(n2, n1);
16 Console.WriteLine("执行减法后的结果为：{0}", result.ToString());
17
18 result = client.Multiply(n1, n2);
19 Console.WriteLine("执行乘法后的结果为：{0}", result.ToString());
20
21 result = client.Divide(n1, n2);
22 Console.WriteLine("执行除法后的结果为：{0}", result.ToString());
23
24 //CalculatorSessionClient clientSeesion = new CalculatorSessionClient();
25 //string s = clientSeesion.test("你好我做一个测试！");
26 //string b = clientSeesion.GetServiceDescriptionInfo();
27 //Console.WriteLine(s);
28 //Console.WriteLine(b);
29
30 Test();
31
32 }
33
34 static void Test()
35 {
36 CalculatorSessionClient wcfClient = new CalculatorSessionClient();
37 try
38 {
39 using (OperationContextScope scope = new OperationContextScope(wcfClient.InnerChannel))
40 {
41 MessageHeader header
42 = MessageHeader.CreateHeader(
43 "Service-Bound-CustomHeader",
44 "http://Microsoft.WCF.Documentation",
45 "Custom Happy Value."
46 );
47 OperationContext.Current.OutgoingMessageHeaders.Add(header);
48
49 // Making calls.
50 Console.WriteLine("Enter the greeting to send: ");
51 string greeting = Console.ReadLine();
52
53 //Console.ReadLine();
54 header = MessageHeader.CreateHeader(
55 "Service-Bound-OneWayHeader",
56 "http://Microsoft.WCF.Documentation",
57 "Different Happy Value."
58 );
59 OperationContext.Current.OutgoingMessageHeaders.Add(header);//TODO:自定义传出消息头的用处？
60
61 // One-way
62 wcfClient.test(greeting);
63
64
65 // Done with service.
66 wcfClient.Close();
67 Console.WriteLine("Done!");
68 Console.ReadLine();
69 }
70 }
71 catch (TimeoutException timeProblem)
72 {
73 Console.WriteLine("The service operation timed out. " + timeProblem.Message);
74 Console.ReadLine();
75 wcfClient.Abort();
76 }
77 catch (CommunicationException commProblem)
78 {
79 Console.WriteLine("There was a communication problem. " + commProblem.Message);
80 Console.ReadLine();
81 wcfClient.Abort();
82 }
83
84 }
85 }
86 }

1 namespace Microsoft.ServiceModel.Samples
2 {
3 class Program
4 {
5 static void Main(string[] args)
6 {
7 //创建一个ServiceHost
8 using (ServiceHost serviceHost = new ServiceHost(typeof(CalculatorService)))
9 {
10 // Open the ServiceHost to create listeners
11 serviceHost.Open();
12 Console.WriteLine("服务已经开启！");
13 Console.WriteLine("按回车键结束服务！");
14 Console.WriteLine();
15 Console.ReadLine();
16
17 serviceHost.Close();
18
19 }
20 }
21
22 }
23 [ServiceContract]//定义服务协定完成
24 public interface ICalculator
25 {
26 [OperationContract]
27 double Add(double n1, double n2);
28 [OperationContract]
29 double Subtract(double n1, double n2);
30 [OperationContract]
31 double Multiply(double n1, double n2);
32 [OperationContract]
33 double Divide(double n1, double n2);
34 }
35
36 [ServiceContract]
37 public interface ICalculatorSession
38 {
39 [OperationContract]
40 string test(string s);
41
42 [OperationContract]
43 string GetServiceDescriptionInfo();
44 }
45
46 public class CalculatorService : ICalculator, ICalculatorSession
47 {
48 public double Add(double n1, double n2)
49 {
50 return n1 + n2;
51 }
52
53 public double Subtract(double n1, double n2)
54 {
55 return n1 - n2;
56 }
57
58 public double Multiply(double n1, double n2)
59 {
60 return n1 * n2;
61 }
62
63 public double Divide(double n1, double n2)
64 {
65 return n1 / n2;
66 }
67
68 public string test(string s)
69 {
70 Console.WriteLine("Service Said" + s);
71 WriteHeaders(OperationContext.Current.IncomingMessageHeaders);
72 return s;
73 }
74
75 public string GetServiceDescriptionInfo()
76 {
77 StringBuilder sb = new StringBuilder();
78 OperationContext operatiOnContext= OperationContext.Current;
79 ServiceHost serviceHost = (ServiceHost)operationContext.Host;
80 ServiceDescription dec = serviceHost.Description;
81 sb.Append("Base addresses:\n");
82 foreach (Uri url in serviceHost.BaseAddresses)
83 {
84 sb.Append(" " + url + "\n");
85 }
86 sb.Append("Service endpoint:\n");
87 foreach (ServiceEndpoint endPoint in dec.Endpoints)
88 {
89 sb.Append("Address:" + endPoint.Address + "\n");
90 sb.Append("Binding:" + endPoint.Binding + "\n");
91 sb.Append("Contract:" + endPoint.Contract + "\n");
92 }
93
94 return sb.ToString();
95 }
96
97 private void WriteHeaders(MessageHeaders headers)
98 {
99 foreach (MessageHeaderInfo header in headers)
100 {
101 Console.WriteLine("\t" + header.Actor);
102 Console.ForegroundColor = ConsoleColor.White;
103 Console.WriteLine("\t" + header.Name);
104 Console.ForegroundColor = ConsoleColor.Yellow;
105 Console.WriteLine("\t" + header.Namespace);
106 Console.WriteLine("\t" + header.Relay);
107 if (header.IsReferenceParameter == true)
108 {
109 Console.WriteLine("IsReferenceParameter header detected: " + header.ToString());
110 }
111 }
112 Console.ResetColor();
113 }
114 }
115
116 }