近来在考虑一个服务选型，dotnet提供了众多的远程服务形式。在只考虑dotnet到dotnet的情形下，我们可以选择remoting、WCF(http)、WCF(tcp)、WCF(RESTful)、asp.net core(RESTful)
其中我考察的重点是前4项的效率差异，而在我的测试项目中他们共用同一个接口定义

[ServiceContract]
public interface ICalc
{
    [OperationContract]
    [WebInvoke(Method = "POST",
            RequestFormat = WebMessageFormat.Json,
            RespOnseFormat= WebMessageFormat.Json,
            BodyStyle = WebMessageBodyStyle.Bare,
            UriTemplate = "cmd")]
    CalcInfo Calc(CalcInfo pInfo);
}

先来对比传入较为简单的CalcInfo，该类的json只有如下，其中集合Items是空的

{
    "id": 0,
    "method": "test",
    "para1": 0,
    "para2": 0,
    "result": 999,
    "items": []
}

测试从客户端将一个CalcInfo的实例传入服务端，服务端稍加修改Method返回给客户端的过程，主要测试序列化与传输的用时。记录执行10000次请求的总用时

Remoting用时 3.76s
WCF(http) 用时 21.92s
WCF(tcp)用时 5.96s
WCF(RESTful)用时 2.26s
asp.net Core(RESTfull)用时 16.59s 

再来一下比较传输一个较大的CalcInfo，该类的json如下，其中items集合有100个子实例

{
    "id": 0,
    "method": "test",
    "para1": 0,
    "para2": 0,
    "result": 999,
    "items": [
        {
            "name": "test 1",
            "para1": 1,
            "para2": 0
        },
        {
            "name": "test 2",
            "para1": 2,
            "para2": 0
        }
//....共有100个子项
    ]
}

Remoting用时 12.94s
WCF(http) 用时  47.38s
WCF(tcp)用时 9.2s
WCF(RESTful)用时 10.67s
asp.net Core(RESTfull)用时 26.08s

把两个时间放在一起对比一下就很有意思了。小流量时remoting比WCF强，WCF(TCP)莫名的高用时，比json的还要高。在大流量的时候WCF的优势体现出来了，基本符合网上大致的观点。其中WCF(RESTful)让kevin-y印象深刻，几乎与TCP一样的成绩

小流量

Remoting用时 3.76s
WCF(http) 用时 21.92s
WCF(tcp)用时 5.96s
WCF(RESTful)用时 2.26s
asp.net Core(RESTfull)用时 16.59s 

大流量

Remoting用时 12.94s
WCF(http) 用时  47.38s
WCF(tcp)用时 9.2s
WCF(RESTful)用时 10.67s
asp.net Core(RESTfull)用时 26.83s

测试的源代码来这
https://files.cnblogs.com/files/kevin-Y/SrvSpeed2.zip

.net core 控制台程序使用依赖注入（Autofac）

 

1、Autofac IOC 容器 ，便于在其他类获取注入的对象

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141

using  System; using  System.Collections.Generic; using  System.Linq; using  System.Reflection; using  Autofac; using  Autofac.Core; using  Autofac.Extensions.DependencyInjection; using  Microsoft.Extensions.DependencyInjection;   namespace  BackToCOS.IoC {      ///      /// Autofac IOC 容器      ///      public  class  AutofacContainer      {          private  static  ContainerBuilder _builder =  new  ContainerBuilder();          private  static  IContainer _container;          private  static  string [] _otherAssembly;          private  static  List _types =  new  List();          private  static  Dictionary _dicTypes =  new  Dictionary();            ///          /// 注册程序集          ///          /// 程序集名称的集合          public  static  void  Register( params  string [] assemblies)          {              _otherAssembly = assemblies;          }            ///          /// 注册类型          ///          ///          public  static  void  Register( params  Type[] types)          {              _types.AddRange(types.ToList());          }          ///          /// 注册程序集。          ///          ///          ///          public  static  void  Register( string  implementationAssemblyName,  string  interfaceAssemblyName)          {              var  implementatiOnAssembly= Assembly.Load(implementationAssemblyName);              var  interfaceAssembly = Assembly.Load(interfaceAssemblyName);              var  implementatiOnTypes=                  implementationAssembly.DefinedTypes.Where(t =>                      t.IsClass && !t.IsAbstract && !t.IsGenericType && !t.IsNested);              foreach  ( var  type  in  implementationTypes)              {                  var  interfaceTypeName = interfaceAssemblyName +  ".I"  + type.Name;                  var  interfaceType = interfaceAssembly.GetType(interfaceTypeName);                  if  (interfaceType.IsAssignableFrom(type))                  {                      _dicTypes.Add(interfaceType, type);                  }              }          }          ///          /// 注册          ///          ///          ///          public  static  void  Register()  where  TImplementation : TInterface          {              _dicTypes.Add( typeof (TInterface),  typeof (TImplementation));          }            ///          /// 注册一个单例实体          ///          ///          ///          public  static  void  Register(T instance)  where  T: class          {              _builder.RegisterInstance(instance).SingleInstance();          }            ///          /// 构建IOC容器          ///          public  static  IServiceProvider Build(IServiceCollection services)          {              if  (_otherAssembly !=  null )              {                  foreach  ( var  item  in  _otherAssembly)                  {                      _builder.RegisterAssemblyTypes(Assembly.Load(item));                  }              }                if  (_types !=  null )              {                  foreach  ( var  type  in  _types)                  {                      _builder.RegisterType(type);                  }              }                if  (_dicTypes !=  null )              {                  foreach  ( var  dicType  in  _dicTypes)                  {                      _builder.RegisterType(dicType.Value).As(dicType.Key);                  }              }                _builder.Populate(services);              _cOntainer= _builder.Build();              return  new  AutofacServiceProvider(_container);          }            ///          ///          ///          ///          ///          public  static  T Resolve()          {              return  _container.Resolve();          }            public  static  T Resolve( params  Parameter[] parameters)          {              return  _container.Resolve(parameters);          }            public  static  object  Resolve(Type targetType)          {              return  _container.Resolve(targetType);          }            public  static  object  Resolve(Type targetType,  params  Parameter[] parameters)          {              return  _container.Resolve(targetType, parameters);          }      } }

　　2、用nuget安装

       using Microsoft.Extensions.Configuration;
       using Microsoft.Extensions.DependencyInjection;

      3、Program类如下

      

 1 using BackToCOS.IoC;
 2 using log4net;
 3 using Microsoft.Extensions.Configuration;
 4 using Microsoft.Extensions.DependencyInjection;
 5 using Microsoft.Extensions.Logging;
 6 using Myvas.AspNetCore.TencentCos;
 7 using System;
 8 using System.IO;
 9 using Topshelf;
10 
11 namespace BackToCOS
12 {
13     class Program
14     {
15         static void Main(string[] args)
16         {
17             var cOnfiguration= new ConfigurationBuilder()
18               .SetBasePath(Directory.GetCurrentDirectory())
19               .AddJsonFile("appsettings.json", true, true)
20               .AddJsonFile("appsettings.Development.json", true, true)
21               .Build();
22             IServiceCollection services = new ServiceCollection();
23           
24             services.AddTencentCos(optiOns=>
25             {
26                 options.SecretId = configuration["TencentCos:SecretId"];
27                 options.SecretKey = configuration["TencentCos:SecretKey"];
28             });
29             services.AddLogging(builder => builder
30                .AddConfiguration(configuration.GetSection("Logging"))
31                .AddConsole());
32             //注入
33             services.AddSingleton();
34             //用Autofac接管
35             AutofacContainer.Build(services);
36             log4net.Config.XmlConfigurator.ConfigureAndWatch(LogManager.CreateRepository("NETCoreRepository"), new FileInfo(AppDomain.CurrentDomain.BaseDirectory + "log4net.config"));
37             HostFactory.Run(x =>
38             {
39                 x.UseLog4Net();
40                 x.Service();
41                 x.RunAsLocalSystem();
42                 x.SetDescription("备份到cos的服务");
43                 x.SetDisplayName("备份到cos的服务");
44                 x.SetServiceName("BackToCOS");
45                 x.EnablePauseAndContinue();
46             });
47         }
48     }
49 
50 }

4、用容器获取事例（非构造函数）

 1 using log4net;
 2 using Microsoft.Extensions.Options;
 3 using Myvas.AspNetCore.TencentCos;
 4 using Quartz;
 5 using System;
 6 using System.Collections.Generic;
 7 using System.Text;
 8 using System.Threading.Tasks;
 9 
10 namespace BackToCOS.Jobs
11 {
12     //DisallowConcurrentExecution属性标记任务不可并行
13     [DisallowConcurrentExecution] 
14     public class BackupJob : IJob
15     {
16         private readonly ILog _log = LogManager.GetLogger("NETCoreRepository", typeof(BackupJob));
17         public Task Execute(IJobExecutionContext context)
18         {
19             try
20             {
21                 _log.Info("测试任务,当前系统时间:" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
22                 ITencentCosHandler tencentCosHandler = IoC.AutofacContainer.Resolve();
23                 var ss = tencentCosHandler.AllBucketsAsync();
24                 return Task.CompletedTask;
25             }
26             catch (Exception ex)
27             {
28                 JobExecutionException e2 = new JobExecutionException(ex);
29                 _log.Error("测试任务异常", ex);
30             }
31             return Task.CompletedTask;
32         }
33     }
34 }