A console chat app made using the duplex mode of WCF

WCF Services

Using system;using system.collections.generic;using system.linq;using system.runtime.serialization;using System.servicemodel;using system.servicemodel.web;using system.text;namespace WcfService1{    //Note: Use the "Refactoring" menu Rename command, you can change the code and the interface name "IService1" in the configuration file at the same time.    [ServiceContract (callbackcontract = typeof (IMyClass))] public    interface IService1    {                 [ OperationContract]        string  Send (String id,string pid, string str);        [OperationContract]        String Register (string id);        [OperationContract]        List<string> allhost ();        }    [ServiceContract]    Public interface IMyClass    {        [OperationContract (IsOneWay = true)]//callback function method must be added isoneway=true        void Reciver (string str);    }     }

　　

Using system;using system.collections.generic;using system.linq;using system.runtime.serialization;using System.servicemodel;using system.servicemodel.web;using system.text;namespace WcfService1{//Note: Using the rename command on the Refactor menu,    You can change the class name "Service1" in Code, SVC, and configuration files at the same time.        public class Service1:iservice1 {public static dictionary<string, imyclass> hostdic;        public static list<string> Allhost;  <summary>/////</summary>/<param name= "id" > Sender </param>// <param name= "pid" > Recipient </param>//<param name= "str" > Content </param>//<returns>&                               Lt;/returns> public string Send (String id,string pid, string str) {try {                         foreach (var d in Hostdic) {if (D.key = = pid) {                    D.value.reciver (id+ "send:" +str);                }}//imyclass myclass= operationcontext.current.getcallbackchannel<imyclass> (); MyClass.                Reciver ("Hello");            return "1"; } catch (Exception ex) {return ex.            Message;        }} public list<string> Allhost () {return allhost; public string Register (string id) {if (hostdic = = null) {Hostdic =            New dictionary<string, imyclass> ();            } if (allhost = = null) {allhost = new list<string> ();                } IMyClass IMyClass = operationcontext.current.getcallbackchannel<imyclass> (); Hostdic.                ADD (ID, imyclass); Allhost.                        ADD (ID);        return ID; }        }}

Host

Using system;using system.collections.generic;using system.linq;using system.text;using System.ServiceModel; Namespace serverhost{    class program    {        static void Main (string[] args)        {            ServiceHost ServerHost = New ServiceHost (typeof (Wcfservice1.service1));            ServerHost. Open ();            Console.WriteLine ("Open");            Console.readkey ();}}}    

Host configuration file

<?xml version= "1.0" encoding= "Utf-8"?><configuration><system.servicemodel><services>< Service name= "Wcfservice1.service1" ><endpoint address= "Net.tcp://192.168.1.12:3721/calculatorservice"

Change to local IP

binding= "nettcpbinding" contract= "Wcfservice1.iservice1" bindingconfiguration = "ticketbindingconfiguration"/> </service> </services> <bindings> <netTcpBinding> <binding name= " Ticketbindingconfiguration "opentimeout=" 00:10:10 "receivetimeout=" 00:10:10 "sendtimeout=" 00:10:10 "maxBufferSize= "2147483647" maxreceivedmessagesize= "2147483647" > <security mode= "None"/> <readerquotas Maxstringcontentlength= "6553600" maxarraylength= "6553600"/> </binding> </netTcpBinding> </ Bindings> </system.serviceModel> </configuration>

Client

Using system;using system.collections.generic;using system.linq;using system.text;using WcfService1;using System.servicemodel;using System.configuration;namespace consoleapplication1{class Program {static void Mai                N (string[] args) {try {myclass MyClass = new MyClass ();                Myclass.contentevent + = receive;                InstanceContext callback = new InstanceContext (MyClass);  channelfactory<iservice1> CHANNL = new Channelfactory<iservice1> ("Wcfserver"); If there is no callback in duplex mode, use this duplexchannelfactory<iservice1> CHANNL = new Duplexchannelfactory<iservice1&gt                ;(callback, "Wcfserver"); IService1 IService1 = channl.                CreateChannel ();                Console.WriteLine ("Please enter your own user name");                String id = console.readline (); String str = Iservice1.register (ID.                Trim ());                Console.WriteLine (str);     while (true)           {Console.WriteLine ("Input send Data");                    string info = Console.ReadLine ();                    Console.WriteLine ("Input Recipient");                    String piduser = Console.ReadLine (); Console.WriteLine ("Send To" + Piduser. Trim () + ":" + info.                    Trim ()); Iservice1.send (Id,piduser. Trim (), info.                Trim ()); }} catch (Exception ex) {Console.WriteLine (ex).                Message);            Console.readkey ();        }}} public class Myclass:imyclass {//public delegate void Conten (String str);        public event Conten Contentevent;            public void Reciver (String str) {Console.WriteLine ("{0}:" + str, System.DateTime.Now);        Contentevent (str); }    }}

Client configuration file

<?xml version= "1.0" encoding= "Utf-8"?><configuration><system.servicemodel><client>< Endpoint Name= "Wcfserver" address= "net.tcp://192.168.1.12:3721/calculatorservice"//change to local IP  binding= " NetTcpBinding "  contract=" Wcfservice1.iservice1 "bindingconfiguration =" Ticketbindingconfiguration "/></ Client><bindings><nettcpbinding><binding  name= "Ticketbindingconfiguration"  opentimeout= "00:10:10" receivetimeout= "00:10:10"    sendtimeout= "00:10:10"  maxbuffersize= "2147483647" Maxreceivedmessagesize= "2147483647" ><security mode= "None"/><readerquotas  maxStringContentLength = "6553600" maxarraylength= "6553600"/></binding></nettcpbinding></bindings></ System.servicemodel></configuration>