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  • IErrorHandler

    /// <summary> 
    /// WCF服务端异常处理器 
    /// </summary> 
    public class WCF_ExceptionHandler : IErrorHandler
    {
       #region IErrorHandler Members
       
       /// <summary> 
       /// HandleError 
       /// </summary> 
       /// <param name="ex">ex</param> 
       /// <returns>true</returns> 
       public bool HandleError(Exception ex)
       {
          return true;
       }
       
       /// <summary> 
       /// ProvideFault 
       /// </summary> 
       /// <param name="ex">ex</param> 
       /// <param name="version">version</param> 
       /// <param name="msg">msg</param> 
       public void ProvideFault(Exception ex, MessageVersion version, ref Message msg)
       {
          // 
          //在这里处理服务端的消息,将消息写入服务端的日志 
          // 
          string err = string.Format("调用WCF接口 '{0}' 出错", ex.TargetSite.Name) ",详情:
    " ex.Message;
          var newEx = new FaultException(err);
          
          MessageFault msgFault = newEx.CreateMessageFault();
          msg = Message.CreateMessage(version, msgFault, newEx.Action);
       }
       
       #endregion
    }
    

      

    /// <summary> 
    /// WCF服务类的特性 
    /// </summary> 
    public class WCF_ExceptionBehaviourAttribute : Attribute, IServiceBehavior
    {
       private readonly Type _errorHandlerType;
       
       public WCF_ExceptionBehaviourAttribute(Type errorHandlerType)
       {
          _errorHandlerType = errorHandlerType;
       }
       
       #region IServiceBehavior Members
       
       public void Validate(ServiceDescription description,
       ServiceHostBase serviceHostBase)
       {
       }
       
       public void AddBindingParameters(ServiceDescription description,
       ServiceHostBase serviceHostBase,
       Collection<ServiceEndpoint> endpoints,
       BindingParameterCollection parameters)
       {
       }
       
       public void ApplyDispatchBehavior(ServiceDescription description,
       ServiceHostBase serviceHostBase)
       {
          var handler =
          (IErrorHandler)Activator.CreateInstance(_errorHandlerType);
          
          foreach (ChannelDispatcherBase dispatcherBase in
          serviceHostBase.ChannelDispatchers)
          {
             var channelDispatcher = dispatcherBase as ChannelDispatcher;
             if (channelDispatcher != null)
             channelDispatcher.ErrorHandlers.Add(handler);
          }
       }
       
       #endregion
    }
    

      [ServiceBehavior(IncludeExceptionDetailInFaults = true)]
    [WCF_ExceptionBehaviour(typeof(WCF_ExceptionHandler))]
    public class AccountModuleService : IAccountModuleService
    {
       
       //来源:C/S框架网(www.csframework.com) QQ:1980854898


    }   

    public class GlobalException : IErrorHandler
        {
            public bool HandleError(Exception error)
            {
                return true;
            }
    
            public void ProvideFault(Exception error, System.ServiceModel.Channels.MessageVersion version, ref System.ServiceModel.Channels.Message fault)
            {
                //服务器端能够获取到错误方法
                var ex = new FaultException(string.Format("Wcf错误接口方法{0}", error.TargetSite.Name));
                MessageFault mf = ex.CreateMessageFault();
                //fault = Message.CreateMessage(version, mf, ex.Action);
            }
        }
    
     public class GlobalExceptionHandlerBehaviourAttribute : Attribute, IServiceBehavior
        {
            private Type _Type;
    
            public GlobalExceptionHandlerBehaviourAttribute(Type ExcepType)
            {
                this._Type = ExcepType;
            }
    
            public void AddBindingParameters(ServiceDescription serviceDescription, System.ServiceModel.ServiceHostBase serviceHostBase, System.Collections.ObjectModel.Collection<ServiceEndpoint> endpoints, System.ServiceModel.Channels.BindingParameterCollection bindingParameters)
            {
            }
    
            public void ApplyDispatchBehavior(ServiceDescription serviceDescription, System.ServiceModel.ServiceHostBase serviceHostBase)
            {
                var Handle = (IErrorHandler)Activator.CreateInstance(_Type);
                foreach (ChannelDispatcherBase dispatcherBase in
                    serviceHostBase.ChannelDispatchers)
                {
                    var channelDispatcher = dispatcherBase as ChannelDispatcher;
                    if (channelDispatcher != null)
                        channelDispatcher.ErrorHandlers.Add(Handle);
                }
            }
    
            public void Validate(ServiceDescription serviceDescription, System.ServiceModel.ServiceHostBase serviceHostBase)
            {
                
            }
        }
    
    [GlobalExceptionHandlerBehaviour(typeof(GlobalException))]
        public class LoginService : ILoginContract
        {
    
            public string Login(string UserName, string UserPwd)
            {
                if (string.IsNullOrEmpty(UserPwd))
                {
                    throw new Exception();
                }
                return UserName;
            }
        }
    
    
     public class Network
        {
            [DllImport("wininet")]
            private extern static bool InternetGetConnectedState(out int connectionDescription, int reservedValue);
    
            /// <summary>
            /// 检测本机是否联网
            /// </summary>
            /// <returns></returns>
            public static bool IsConnectedInternet()
            {
                int i = 0;
                if (InternetGetConnectedState(out i, 0))
                {
                    //已联网
                    return true;
                }
                else
                {
                    //未联网
                    return false;
                }
    
            }
    
            private static bool? IsInit = null;
            static Thread th = null;
    
            private static NetworkDelegate OnClose = null;
    
            ~Network()
            {
                
                if (OnClose != null) OnClose();
            }
    
            /// <summary>
            /// 检测本机是否已经联网
            /// </summary>
            /// <param name="StartType"></param>
            /// <param name="CheckTime"></param>
            /// <param name="AllTime"></param>
            /// <returns></returns>
            public static void Start(NetworkStartTypeEnum StartType, TimeSpan CheckTime, int AllTime)
            {
                th = new Thread(() =>
                {
                    while (true)
                    {
                        bool Content = IsConnectedInternet();
                        if(IsInit==null)IsInit = Content;
                        if (Content == false && IsInit == true)
                        {
                            OnUnConnection();
                        }
                        else if (Content == true && IsInit == false)
                        {
                            OnConnection();
                        }
                        IsInit = Content;
                        Thread.Sleep(CheckTime);
                    }
                });
                th.IsBackground = true;
                OnClose += () =>
                {
                    try
                    {
                        th.Abort();
                    }
                    catch { }
                };
                th.Start();
                if (StartType == NetworkStartTypeEnum.JustTime)
                {
                    Thread closeThread = new Thread(() =>
                    {
                        Thread.Sleep(AllTime);
                    });
                    closeThread.IsBackground = true;
                    OnClose += () =>
                    {
                        try
                        {
                            closeThread.Abort();
                        }
                        catch { }
                    };
                    closeThread.Start();
                }
            }
            //本地委托
            public delegate void NetworkDelegate();
    
            /// <summary>
            /// 当连上网的时候
            /// </summary>
            public static event NetworkDelegate OnConnection;
            /// <summary>
            /// 当没连上的时候
            /// </summary>
            public static event NetworkDelegate OnUnConnection;
        }
        public enum NetworkStartTypeEnum{
            ApplicationExit,
            JustTime
        }
    

      

       public class ServiceErrorHandler : IErrorHandler
        {
            public bool HandleError(Exception error)
            {
                return true;
            }
    
            public void ProvideFault(Exception error, MessageVersion version, ref Message fault)
            {
                FaultException<string> fex = new FaultException<string>(error.Message);
                MessageFault mf = fex.CreateMessageFault();
                fault = Message.CreateMessage(version, mf, "http://zh-ja-demo/svfault");
            }
        }
    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Interface, AllowMultiple = false, Inherited = false)]
        public class MyContractBehaviorAttribute : Attribute, IContractBehavior
        {
            public void AddBindingParameters(ContractDescription contractDescription, ServiceEndpoint endpoint, BindingParameterCollection bindingParameters)
            {
                
            }
    
            public void ApplyClientBehavior(ContractDescription contractDescription, ServiceEndpoint endpoint, ClientRuntime clientRuntime)
            {
            }
    
            public void ApplyDispatchBehavior(ContractDescription contractDescription, ServiceEndpoint endpoint, DispatchRuntime dispatchRuntime)
            {
                ServiceErrorHandler sverr = new ServiceErrorHandler();
                dispatchRuntime.ChannelDispatcher.ErrorHandlers.Add(sverr);
            }
    
            public void Validate(ContractDescription contractDescription, ServiceEndpoint endpoint)
            {
            }
        }
    
    
    
    //--------------------------------------------------------
    
        [FaultContract(typeof(string), Action = "http://zh-ja-demo/svfault")]
            long RunWork(int bs);
    

      

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  • 原文地址:https://www.cnblogs.com/xiangxiong/p/6773413.html
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