WCF全局捕获日志

/// <summary>
/// WCF服务端异常处理器
/// </summary>
public class WCF_ExceptionHandler : IErrorHandler
{
public bool HandleError(Exception error)
{
return true;
}

public void ProvideFault(Exception ex, System.ServiceModel.Channels.MessageVersion version, ref System.ServiceModel.Channels.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;
Logger.LOG_ERROR.Error(err + ",ex=" + ex);
var newEx = new FaultException(err);

MessageFault msgFault = newEx.CreateMessageFault();
msg = Message.CreateMessage(version, msgFault, newEx.Action);
}
}

/// <summary>
/// WCF服务类的错误的特性
/// </summary>
public class WCF_ExceptionBehaviourAttribute : Attribute, IServiceBehavior
{
private readonly List<Type> _errorHandlerTypelist;

/// <summary>
/// 注入单个的错误事件
/// </summary>
/// <param name="errorHandlerType"></param>
public WCF_ExceptionBehaviourAttribute(Type errorHandlerType)
{
_errorHandlerTypelist = new List<Type>() { errorHandlerType };
}
/// <summary>
/// 注入多个的自定义错误
/// </summary>
/// <param name="errorHandlerTypelist"></param>
public WCF_ExceptionBehaviourAttribute(List<Type> errorHandlerTypelist)
{
_errorHandlerTypelist = errorHandlerTypelist;
}

#region IServiceBehavior Members
/// <summary>
/// 验证服务主机和服务描述
/// </summary>
/// <param name="description"></param>
/// <param name="serviceHostBase"></param>
public void Validate(ServiceDescription description,
ServiceHostBase serviceHostBase)
{
Logger.LOG_INFO.Info(description.Name + "开启WCF异常捕获监听");
}

/// <summary>
/// 绑定参数
/// </summary>
/// <param name="description"></param>
/// <param name="serviceHostBase"></param>
/// <param name="endpoints"></param>
/// <param name="parameters"></param>
public void AddBindingParameters(ServiceDescription description,
ServiceHostBase serviceHostBase,
Collection<ServiceEndpoint> endpoints,
BindingParameterCollection parameters)
{
}
/// <summary>
/// 应用调度-更改运行时属性值或插入自定义的功能
/// </summary>
/// <param name="description"></param>
/// <param name="serviceHostBase"></param>
public void ApplyDispatchBehavior(ServiceDescription description,
ServiceHostBase serviceHostBase)
{
if (_errorHandlerTypelist != null)
{
foreach (var _errorHandlerType in _errorHandlerTypelist)
{
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
}

使用

[ServiceBehavior(IncludeExceptionDetailInFaults = true)]
[WCF_ExceptionBehaviour(typeof(WCF_ExceptionHandler))]
public class AccountModuleService : IAccountModuleService
{

}

如果WCF多，添加到Base里面即可，不用每个wcf都加，有一个Base类添加一遍就可以了。

引用地址:转至博客：J.Y