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:\r\n" 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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