È possibile utilizzare una libreria di registrazione, come log4net o quello nel enterprise library
Se il servizio è un servizio WCF, l'aggiunta di un comportamento operazione consente di eseguire una certa azione ogni volta che un'operazione è invocato
internal class OperationLoggerBehavior : IOperationBehavior
{
public void AddBindingParameters(OperationDescription operationDescription, System.ServiceModel.Channels.BindingParameterCollection bindingParameters)
{
}
public void ApplyClientBehavior(OperationDescription operationDescription, ClientOperation clientOperation)
{
}
public void ApplyDispatchBehavior(OperationDescription operationDescription, DispatchOperation dispatchOperation)
{
dispatchOperation.ParameterInspectors.Add(new OperationLogger());
}
public void Validate(OperationDescription operationDescription)
{
}
}
internal class OperationLoggerAttribute : 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)
{
foreach (OperationDescription operationDescription in contractDescription.Operations)
{
if (!operationDescription.Behaviors.Contains(typeof(OperationLoggerBehavior)))
{
operationDescription.Behaviors.Add(new OperationLoggerBehavior());
}
}
}
public void Validate(ContractDescription contractDescription, ServiceEndpoint endpoint)
{
}
}
internal class OperationLogger : IParameterInspector
{
/// <summary>
/// Called before an operation is invoked.
/// </summary>
/// <param name="operationName"></param>
/// <param name="inputs"></param>
/// <returns></returns>
public object BeforeCall(string operationName, object[] inputs)
{
// Write to log
}
/// <summary>
/// Called after an operation has been invoked.
/// </summary>
/// <param name="operationName"></param>
/// <param name="outputs"></param>
/// <param name="returnValue"></param>
/// <param name="correlationState"></param>
public void AfterCall(string operationName, object[] outputs, object returnValue, object correlationState)
{
// Write to log
}
}
// Service contract implementation
[OperationLogger]
[ServiceBehaviorAttribute(InstanceContextMode = InstanceContextMode.PerCall, ConcurrencyMode = ConcurrencyMode.Multiple)]
public partial class MyService : IMyService
{
...
}
fonte
2010-09-27 10:44:37
Stai usando WCF? –