.Net RPC框架Thrift的用法

Posted on 2018-06-20 18:26 李朝强阅读(4487) 评论(3) 编辑收藏举报

关于Thrift

下面是来自百度百科关于Thrift的介绍：

thrift是一个软件框架，用来进行可扩展且跨语言的服务的开发。它结合了功能强大的软件堆栈和引擎，以构建在 C++, Java, Go,Python, PHP, Ruby, Erlang, Perl, Haskell, C#, Cocoa, JavaScript, Node.js, Smalltalk, and OCaml 这些编程语言间无缝结合的、高效的服务。

Apache开源地址：http://thrift.apache.org/

Thrift也是.Net平台上一款不错的RPC框架，更何况可以实现与众多编程语言之间的远程调用。下面具体介绍下Thrift在.Net上的用法。

首先，下载Thrift工具，这里选择windows平台的，下载地址：http://www.apache.org/dyn/closer.cgi?path=/thrift/0.11.0/thrift-0.11.0.exe

其次，下载具体的Thrift Sdk包，http://www.apache.org/dyn/closer.cgi?path=/thrift/0.11.0/thrift-0.11.0.tar.gz

内部包含了所支持的语言源码，这里，我们选择csharp目录里的内容，用VS打开，编译生成DLL文件，可供后续使用。

其次，编写Thrift文件，内容如下，这里定义了一个User类，包含一个Int32类型的ID和一个string类型的Name属性，同时，在定义了一个服务，UserService，其中包含GetUserByID和GetAllUser两个方法。　　、

struct User { 
    1: i32 ID 
    2: string Name 
  }
 
 
service UserService { 
    User GetUserByID(1:i32 userID)
    list<User> GetAllUser()  
}　　　　　　

　　然后，通过上面下载的Thrif.exe命令行工具，进行代码的生成，windows平台，cmd进入thrift.exe所在目录，执行如下命令：

1	`thrift --gen csharp user.thrift`

　命令格式如：

1	`thrift --gen <language> <Thrift filename>`

也可以把thrift.exe放到指定目录或C盘位置，配置环境变量Path，然后可以直接执行以上命令。

执行完以上命令后，会在当前目录下，生成一个名为gen-csharp的文件夹，里面包含了2个类（User.cs和UserService.cs）。

User.cs代码如下：

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/**
 * Autogenerated by Thrift Compiler (0.11.0)
 *
 * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
 *  @generated
 */
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.IO;
using Thrift;
using Thrift.Collections;
using System.Runtime.Serialization;
using Thrift.Protocol;
using Thrift.Transport;
 
 
#if !SILVERLIGHT
[Serializable]
#endif
public partial class User : TBase
{
  private int _ID;
  private string _Name;
 
  public int ID
  {
    get
    {
      return _ID;
    }
    set
    {
      __isset.ID = true;
      this._ID = value;
    }
  }
 
  public string Name
  {
    get
    {
      return _Name;
    }
    set
    {
      __isset.Name = true;
      this._Name = value;
    }
  }
 
 
  public Isset __isset;
  #if !SILVERLIGHT
  [Serializable]
  #endif
  public struct Isset {
    public bool ID;
    public bool Name;
  }
 
  public User() {
  }
 
  public void Read (TProtocol iprot)
  {
    iprot.IncrementRecursionDepth();
    try
    {
      TField field;
      iprot.ReadStructBegin();
      while (true)
      {
        field = iprot.ReadFieldBegin();
        if (field.Type == TType.Stop) { 
          break;
        }
        switch (field.ID)
        {
          case 1:
            if (field.Type == TType.I32) {
              ID = iprot.ReadI32();
            } else { 
              TProtocolUtil.Skip(iprot, field.Type);
            }
            break;
          case 2:
            if (field.Type == TType.String) {
              Name = iprot.ReadString();
            } else { 
              TProtocolUtil.Skip(iprot, field.Type);
            }
            break;
          default: 
            TProtocolUtil.Skip(iprot, field.Type);
            break;
        }
        iprot.ReadFieldEnd();
      }
      iprot.ReadStructEnd();
    }
    finally
    {
      iprot.DecrementRecursionDepth();
    }
  }
 
  public void Write(TProtocol oprot) {
    oprot.IncrementRecursionDepth();
    try
    {
      TStruct struc = new TStruct("User");
      oprot.WriteStructBegin(struc);
      TField field = new TField();
      if (__isset.ID) {
        field.Name = "ID";
        field.Type = TType.I32;
        field.ID = 1;
        oprot.WriteFieldBegin(field);
        oprot.WriteI32(ID);
        oprot.WriteFieldEnd();
      }
      if (Name != null && __isset.Name) {
        field.Name = "Name";
        field.Type = TType.String;
        field.ID = 2;
        oprot.WriteFieldBegin(field);
        oprot.WriteString(Name);
        oprot.WriteFieldEnd();
      }
      oprot.WriteFieldStop();
      oprot.WriteStructEnd();
    }
    finally
    {
      oprot.DecrementRecursionDepth();
    }
  }
 
  public override string ToString() {
    StringBuilder __sb = new StringBuilder("User(");
    bool __first = true;
    if (__isset.ID) {
      if(!__first) { __sb.Append(", "); }
      __first = false;
      __sb.Append("ID: ");
      __sb.Append(ID);
    }
    if (Name != null && __isset.Name) {
      if(!__first) { __sb.Append(", "); }
      __first = false;
      __sb.Append("Name: ");
      __sb.Append(Name);
    }
    __sb.Append(")");
    return __sb.ToString();
  }
 
}

　　UserService.cs代码如下：

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/**
 * Autogenerated by Thrift Compiler (0.11.0)
 *
 * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
 *  @generated
 */
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.IO;
using Thrift;
using Thrift.Collections;
using System.Runtime.Serialization;
using Thrift.Protocol;
using Thrift.Transport;
 
public partial class UserService {
  public interface ISync {
    User GetUserByID(int userID);
    List<User> GetAllUser();
  }
 
  public interface Iface : ISync {
    #if SILVERLIGHT
    IAsyncResult Begin_GetUserByID(AsyncCallback callback, object state, int userID);
    User End_GetUserByID(IAsyncResult asyncResult);
    #endif
    #if SILVERLIGHT
    IAsyncResult Begin_GetAllUser(AsyncCallback callback, object state);
    List<User> End_GetAllUser(IAsyncResult asyncResult);
    #endif
  }
 
  public class Client : IDisposable, Iface {
    public Client(TProtocol prot) : this(prot, prot)
    {
    }
 
    public Client(TProtocol iprot, TProtocol oprot)
    {
      iprot_ = iprot;
      oprot_ = oprot;
    }
 
    protected TProtocol iprot_;
    protected TProtocol oprot_;
    protected int seqid_;
 
    public TProtocol InputProtocol
    {
      get { return iprot_; }
    }
    public TProtocol OutputProtocol
    {
      get { return oprot_; }
    }
 
 
    #region " IDisposable Support "
    private bool _IsDisposed;
 
    // IDisposable
    public void Dispose()
    {
      Dispose(true);
    }
     
 
    protected virtual void Dispose(bool disposing)
    {
      if (!_IsDisposed)
      {
        if (disposing)
        {
          if (iprot_ != null)
          {
            ((IDisposable)iprot_).Dispose();
          }
          if (oprot_ != null)
          {
            ((IDisposable)oprot_).Dispose();
          }
        }
      }
      _IsDisposed = true;
    }
    #endregion
 
 
     
    #if SILVERLIGHT
    public IAsyncResult Begin_GetUserByID(AsyncCallback callback, object state, int userID)
    {
      return send_GetUserByID(callback, state, userID);
    }
 
    public User End_GetUserByID(IAsyncResult asyncResult)
    {
      oprot_.Transport.EndFlush(asyncResult);
      return recv_GetUserByID();
    }
 
    #endif
 
    public User GetUserByID(int userID)
    {
      #if !SILVERLIGHT
      send_GetUserByID(userID);
      return recv_GetUserByID();
 
      #else
      var asyncResult = Begin_GetUserByID(null, null, userID);
      return End_GetUserByID(asyncResult);
 
      #endif
    }
    #if SILVERLIGHT
    public IAsyncResult send_GetUserByID(AsyncCallback callback, object state, int userID)
    #else
    public void send_GetUserByID(int userID)
    #endif
    {
      oprot_.WriteMessageBegin(new TMessage("GetUserByID", TMessageType.Call, seqid_));
      GetUserByID_args args = new GetUserByID_args();
      args.UserID = userID;
      args.Write(oprot_);
      oprot_.WriteMessageEnd();
      #if SILVERLIGHT
      return oprot_.Transport.BeginFlush(callback, state);
      #else
      oprot_.Transport.Flush();
      #endif
    }
 
    public User recv_GetUserByID()
    {
      TMessage msg = iprot_.ReadMessageBegin();
      if (msg.Type == TMessageType.Exception) {
        TApplicationException x = TApplicationException.Read(iprot_);
        iprot_.ReadMessageEnd();
        throw x;
      }
      GetUserByID_result result = new GetUserByID_result();
      result.Read(iprot_);
      iprot_.ReadMessageEnd();
      if (result.__isset.success) {
        return result.Success;
      }
      throw new TApplicationException(TApplicationException.ExceptionType.MissingResult, "GetUserByID failed: unknown result");
    }
 
     
    #if SILVERLIGHT
    public IAsyncResult Begin_GetAllUser(AsyncCallback callback, object state)
    {
      return send_GetAllUser(callback, state);
    }
 
    public List<User> End_GetAllUser(IAsyncResult asyncResult)
    {
      oprot_.Transport.EndFlush(asyncResult);
      return recv_GetAllUser();
    }
 
    #endif
 
    public List<User> GetAllUser()
    {
      #if !SILVERLIGHT
      send_GetAllUser();
      return recv_GetAllUser();
 
      #else
      var asyncResult = Begin_GetAllUser(null, null);
      return End_GetAllUser(asyncResult);
 
      #endif
    }
    #if SILVERLIGHT
    public IAsyncResult send_GetAllUser(AsyncCallback callback, object state)
    #else
    public void send_GetAllUser()
    #endif
    {
      oprot_.WriteMessageBegin(new TMessage("GetAllUser", TMessageType.Call, seqid_));
      GetAllUser_args args = new GetAllUser_args();
      args.Write(oprot_);
      oprot_.WriteMessageEnd();
      #if SILVERLIGHT
      return oprot_.Transport.BeginFlush(callback, state);
      #else
      oprot_.Transport.Flush();
      #endif
    }
 
    public List<User> recv_GetAllUser()
    {
      TMessage msg = iprot_.ReadMessageBegin();
      if (msg.Type == TMessageType.Exception) {
        TApplicationException x = TApplicationException.Read(iprot_);
        iprot_.ReadMessageEnd();
        throw x;
      }
      GetAllUser_result result = new GetAllUser_result();
      result.Read(iprot_);
      iprot_.ReadMessageEnd();
      if (result.__isset.success) {
        return result.Success;
      }
      throw new TApplicationException(TApplicationException.ExceptionType.MissingResult, "GetAllUser failed: unknown result");
    }
 
  }
  public class Processor : TProcessor {
    public Processor(ISync iface)
    {
      iface_ = iface;
      processMap_["GetUserByID"] = GetUserByID_Process;
      processMap_["GetAllUser"] = GetAllUser_Process;
    }
 
    protected delegate void ProcessFunction(int seqid, TProtocol iprot, TProtocol oprot);
    private ISync iface_;
    protected Dictionary<string, ProcessFunction> processMap_ = new Dictionary<string, ProcessFunction>();
 
    public bool Process(TProtocol iprot, TProtocol oprot)
    {
      try
      {
        TMessage msg = iprot.ReadMessageBegin();
        ProcessFunction fn;
        processMap_.TryGetValue(msg.Name, out fn);
        if (fn == null) {
          TProtocolUtil.Skip(iprot, TType.Struct);
          iprot.ReadMessageEnd();
          TApplicationException x = new TApplicationException (TApplicationException.ExceptionType.UnknownMethod, "Invalid method name: '" + msg.Name + "'");
          oprot.WriteMessageBegin(new TMessage(msg.Name, TMessageType.Exception, msg.SeqID));
          x.Write(oprot);
          oprot.WriteMessageEnd();
          oprot.Transport.Flush();
          return true;
        }
        fn(msg.SeqID, iprot, oprot);
      }
      catch (IOException)
      {
        return false;
      }
      return true;
    }
 
    public void GetUserByID_Process(int seqid, TProtocol iprot, TProtocol oprot)
    {
      GetUserByID_args args = new GetUserByID_args();
      args.Read(iprot);
      iprot.ReadMessageEnd();
      GetUserByID_result result = new GetUserByID_result();
      try
      {
        result.Success = iface_.GetUserByID(args.UserID);
        oprot.WriteMessageBegin(new TMessage("GetUserByID", TMessageType.Reply, seqid)); 
        result.Write(oprot);
      }
      catch (TTransportException)
      {
        throw;
      }
      catch (Exception ex)
      {
        Console.Error.WriteLine("Error occurred in processor:");
        Console.Error.WriteLine(ex.ToString());
        TApplicationException x = new TApplicationException      (TApplicationException.ExceptionType.InternalError," Internal error.");
        oprot.WriteMessageBegin(new TMessage("GetUserByID", TMessageType.Exception, seqid));
        x.Write(oprot);
      }
      oprot.WriteMessageEnd();
      oprot.Transport.Flush();
    }
 
    public void GetAllUser_Process(int seqid, TProtocol iprot, TProtocol oprot)
    {
      GetAllUser_args args = new GetAllUser_args();
      args.Read(iprot);
      iprot.ReadMessageEnd();
      GetAllUser_result result = new GetAllUser_result();
      try
      {
        result.Success = iface_.GetAllUser();
        oprot.WriteMessageBegin(new TMessage("GetAllUser", TMessageType.Reply, seqid)); 
        result.Write(oprot);
      }
      catch (TTransportException)
      {
        throw;
      }
      catch (Exception ex)
      {
        Console.Error.WriteLine("Error occurred in processor:");
        Console.Error.WriteLine(ex.ToString());
        TApplicationException x = new TApplicationException      (TApplicationException.ExceptionType.InternalError," Internal error.");
        oprot.WriteMessageBegin(new TMessage("GetAllUser", TMessageType.Exception, seqid));
        x.Write(oprot);
      }
      oprot.WriteMessageEnd();
      oprot.Transport.Flush();
    }
 
  }
 
 
  #if !SILVERLIGHT
  [Serializable]
  #endif
  public partial class GetUserByID_args : TBase
  {
    private int _userID;
 
    public int UserID
    {
      get
      {
        return _userID;
      }
      set
      {
        __isset.userID = true;
        this._userID = value;
      }
    }
 
 
    public Isset __isset;
    #if !SILVERLIGHT
    [Serializable]
    #endif
    public struct Isset {
      public bool userID;
    }
 
    public GetUserByID_args() {
    }
 
    public void Read (TProtocol iprot)
    {
      iprot.IncrementRecursionDepth();
      try
      {
        TField field;
        iprot.ReadStructBegin();
        while (true)
        {
          field = iprot.ReadFieldBegin();
          if (field.Type == TType.Stop) { 
            break;
          }
          switch (field.ID)
          {
            case 1:
              if (field.Type == TType.I32) {
                UserID = iprot.ReadI32();
              } else { 
                TProtocolUtil.Skip(iprot, field.Type);
              }
              break;
            default: 
              TProtocolUtil.Skip(iprot, field.Type);
              break;
          }
          iprot.ReadFieldEnd();
        }
        iprot.ReadStructEnd();
      }
      finally
      {
        iprot.DecrementRecursionDepth();
      }
    }
 
    public void Write(TProtocol oprot) {
      oprot.IncrementRecursionDepth();
      try
      {
        TStruct struc = new TStruct("GetUserByID_args");
        oprot.WriteStructBegin(struc);
        TField field = new TField();
        if (__isset.userID) {
          field.Name = "userID";
          field.Type = TType.I32;
          field.ID = 1;
          oprot.WriteFieldBegin(field);
          oprot.WriteI32(UserID);
          oprot.WriteFieldEnd();
        }
        oprot.WriteFieldStop();
        oprot.WriteStructEnd();
      }
      finally
      {
        oprot.DecrementRecursionDepth();
      }
    }
 
    public override string ToString() {
      StringBuilder __sb = new StringBuilder("GetUserByID_args(");
      bool __first = true;
      if (__isset.userID) {
        if(!__first) { __sb.Append(", "); }
        __first = false;
        __sb.Append("UserID: ");
        __sb.Append(UserID);
      }
      __sb.Append(")");
      return __sb.ToString();
    }
 
  }
 
 
  #if !SILVERLIGHT
  [Serializable]
  #endif
  public partial class GetUserByID_result : TBase
  {
    private User _success;
 
    public User Success
    {
      get
      {
        return _success;
      }
      set
      {
        __isset.success = true;
        this._success = value;
      }
    }
 
 
    public Isset __isset;
    #if !SILVERLIGHT
    [Serializable]
    #endif
    public struct Isset {
      public bool success;
    }
 
    public GetUserByID_result() {
    }
 
    public void Read (TProtocol iprot)
    {
      iprot.IncrementRecursionDepth();
      try
      {
        TField field;
        iprot.ReadStructBegin();
        while (true)
        {
          field = iprot.ReadFieldBegin();
          if (field.Type == TType.Stop) { 
            break;
          }
          switch (field.ID)
          {
            case 0:
              if (field.Type == TType.Struct) {
                Success = new User();
                Success.Read(iprot);
              } else { 
                TProtocolUtil.Skip(iprot, field.Type);
              }
              break;
            default: 
              TProtocolUtil.Skip(iprot, field.Type);
              break;
          }
          iprot.ReadFieldEnd();
        }
        iprot.ReadStructEnd();
      }
      finally
      {
        iprot.DecrementRecursionDepth();
      }
    }
 
    public void Write(TProtocol oprot) {
      oprot.IncrementRecursionDepth();
      try
      {
        TStruct struc = new TStruct("GetUserByID_result");
        oprot.WriteStructBegin(struc);
        TField field = new TField();
 
        if (this.__isset.success) {
          if (Success != null) {
            field.Name = "Success";
            field.Type = TType.Struct;
            field.ID = 0;
            oprot.WriteFieldBegin(field);
            Success.Write(oprot);
            oprot.WriteFieldEnd();
          }
        }
        oprot.WriteFieldStop();
        oprot.WriteStructEnd();
      }
      finally
      {
        oprot.DecrementRecursionDepth();
      }
    }
 
    public override string ToString() {
      StringBuilder __sb = new StringBuilder("GetUserByID_result(");
      bool __first = true;
      if (Success != null && __isset.success) {
        if(!__first) { __sb.Append(", "); }
        __first = false;
        __sb.Append("Success: ");
        __sb.Append(Success== null ? "<null>" : Success.ToString());
      }
      __sb.Append(")");
      return __sb.ToString();
    }
 
  }
 
 
  #if !SILVERLIGHT
  [Serializable]
  #endif
  public partial class GetAllUser_args : TBase
  {
 
    public GetAllUser_args() {
    }
 
    public void Read (TProtocol iprot)
    {
      iprot.IncrementRecursionDepth();
      try
      {
        TField field;
        iprot.ReadStructBegin();
        while (true)
        {
          field = iprot.ReadFieldBegin();
          if (field.Type == TType.Stop) { 
            break;
          }
          switch (field.ID)
          {
            default: 
              TProtocolUtil.Skip(iprot, field.Type);
              break;
          }
          iprot.ReadFieldEnd();
        }
        iprot.ReadStructEnd();
      }
      finally
      {
        iprot.DecrementRecursionDepth();
      }
    }
 
    public void Write(TProtocol oprot) {
      oprot.IncrementRecursionDepth();
      try
      {
        TStruct struc = new TStruct("GetAllUser_args");
        oprot.WriteStructBegin(struc);
        oprot.WriteFieldStop();
        oprot.WriteStructEnd();
      }
      finally
      {
        oprot.DecrementRecursionDepth();
      }
    }
 
    public override string ToString() {
      StringBuilder __sb = new StringBuilder("GetAllUser_args(");
      __sb.Append(")");
      return __sb.ToString();
    }
 
  }
 
 
  #if !SILVERLIGHT
  [Serializable]
  #endif
  public partial class GetAllUser_result : TBase
  {
    private List<User> _success;
 
    public List<User> Success
    {
      get
      {
        return _success;
      }
      set
      {
        __isset.success = true;
        this._success = value;
      }
    }
 
 
    public Isset __isset;
    #if !SILVERLIGHT
    [Serializable]
    #endif
    public struct Isset {
      public bool success;
    }
 
    public GetAllUser_result() {
    }
 
    public void Read (TProtocol iprot)
    {
      iprot.IncrementRecursionDepth();
      try
      {
        TField field;
        iprot.ReadStructBegin();
        while (true)
        {
          field = iprot.ReadFieldBegin();
          if (field.Type == TType.Stop) { 
            break;
          }
          switch (field.ID)
          {
            case 0:
              if (field.Type == TType.List) {
                {
                  Success = new List<User>();
                  TList _list0 = iprot.ReadListBegin();
                  for( int _i1 = 0; _i1 < _list0.Count; ++_i1)
                  {
                    User _elem2;
                    _elem2 = new User();
                    _elem2.Read(iprot);
                    Success.Add(_elem2);
                  }
                  iprot.ReadListEnd();
                }
              } else { 
                TProtocolUtil.Skip(iprot, field.Type);
              }
              break;
            default: 
              TProtocolUtil.Skip(iprot, field.Type);
              break;
          }
          iprot.ReadFieldEnd();
        }
        iprot.ReadStructEnd();
      }
      finally
      {
        iprot.DecrementRecursionDepth();
      }
    }
 
    public void Write(TProtocol oprot) {
      oprot.IncrementRecursionDepth();
      try
      {
        TStruct struc = new TStruct("GetAllUser_result");
        oprot.WriteStructBegin(struc);
        TField field = new TField();
 
        if (this.__isset.success) {
          if (Success != null) {
            field.Name = "Success";
            field.Type = TType.List;
            field.ID = 0;
            oprot.WriteFieldBegin(field);
            {
              oprot.WriteListBegin(new TList(TType.Struct, Success.Count));
              foreach (User _iter3 in Success)
              {
                _iter3.Write(oprot);
              }
              oprot.WriteListEnd();
            }
            oprot.WriteFieldEnd();
          }
        }
        oprot.WriteFieldStop();
        oprot.WriteStructEnd();
      }
      finally
      {
        oprot.DecrementRecursionDepth();
      }
    }
 
    public override string ToString() {
      StringBuilder __sb = new StringBuilder("GetAllUser_result(");
      bool __first = true;
      if (Success != null && __isset.success) {
        if(!__first) { __sb.Append(", "); }
        __first = false;
        __sb.Append("Success: ");
        __sb.Append(Success);
      }
      __sb.Append(")");
      return __sb.ToString();
    }
 
  }
 
}

　　最后，我们新建3个项目，一个Server，一个Client，一个Service（定义的服务），结构如下：

让我们先看看ThrifServer服务端吧。

/// <summary>
/// 
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
 
    Console.Title = "Thrift服务端-Server";
    TServerSocket serverTransport = new TServerSocket(8080, 0, false);
    UserService.Processor processor = new UserService.Processor(new Services.TheUserService());
    TServer server = new TSimpleServer(processor, serverTransport);
    Console.WriteLine("启动服务器，监听端口8080 ...");
    server.Serve();
}

　　这里启动服务。在服务端，我们定义了一个TheUserService类，来实现Service中定义的成员。

/// <summary>
   /// 用户服务
   /// </summary>
   public class TheUserService:Iface
   {
       /// <summary>
       /// 
       /// </summary>
       /// <param name="userID"></param>
       /// <returns></returns>
       public User GetUserByID(int userID)
       {
           return new User() { ID = 1, Name = "lichaoqiang" };
       }
 
       /// <summary>
       /// 
       /// </summary>
       /// <returns></returns>
       public List<User> GetAllUser()
       {
           List<User> users = new List<User>(){
               new User() { ID = 1, Name = "lichaoqiang" },
               new User() { ID = 2, Name = "yuyuangfang" }
           };
           return users;
       }
   }　　

Thrift客户端：

/// <summary>
/// 
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
    Console.Title = "Thrift客户端-Client";
    TTransport transport = new TSocket("10.10.10.12", 8080);
 
    TProtocol protocol = new TJSONProtocol(transport);
    UserService.Client client = new UserService.Client(protocol);
    transport.Open();
    //var users = client.GetAllUser();
 
    //users.ForEach(u => Console.WriteLine(string.Format("User ID : {0}, User Name {1}", u.ID, u.Name)));
    var user = client.GetUserByID(1);
    Console.WriteLine("------------------");
    Console.WriteLine(string.Format("User ID : {0}, User Name {1}", user.ID, user.Name));
    Console.ReadLine();
}