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copied!<p>I've used the interceptor tecnique to log all WCF call. You need to add some parameters to your appender (controller, action, user, datain, dataout) Hope this help</p> <pre><code>public interface IOpenUserName { string UserName { get; set; } } [AttributeUsage(AttributeTargets.Method)] public class LogWcfAttribute : Attribute { } public class LogWcfInterceptor : IInterceptor { private readonly ILogger _logger; public LogWcfInterceptor(ILogger logger) { _logger = logger; } public void Intercept(IInvocation invocation) { if (WcfHelper.HasLogWcfAttribute(invocation.MethodInvocationTarget)) { Exception exception = null; var openUser = (IOpenUserName) invocation.InvocationTarget; log4net.LogicalThreadContext.Properties["controller"] = invocation.InvocationTarget.GetType().Name; log4net.LogicalThreadContext.Properties["action"] = invocation.MethodInvocationTarget.Name; log4net.LogicalThreadContext.Properties["user"] = openUser != null ? openUser.UserName : string.Empty; log4net.LogicalThreadContext.Properties["datain"] = SerializeObject(invocation.Arguments); try { invocation.Proceed(); } catch (Exception ex) { exception = ex; } finally { log4net.LogicalThreadContext.Properties["dataout"] = SerializeObject(invocation.ReturnValue); _logger.Debug("OPENOTA", exception); } if (exception != null) throw exception; } else { invocation.Proceed(); } } public static string SerializeObject(object toSerialize) { if (toSerialize == null) return string.Empty; var xmlSerializer = new XmlSerializer(toSerialize.GetType()); var textWriter = new StringWriter(); xmlSerializer.Serialize(textWriter, toSerialize); return textWriter.ToString(); } } public static class WcfHelper { public static bool HasLogWcfAttribute(MethodInfo methodInfo) { return methodInfo.IsDefined(typeof(LogWcfAttribute), false); } } </code></pre>

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