public static string LoggingIdentifier(this IGrain grain)
{
var type = grain.GetType();
try {
string temp = null;
if (typeof(IGrainWithIntegerKey).IsAssignableFrom(type))
{
return($"[{grain.GetPrimaryKeyLong()}] ");
}
else if (typeof(IGrainWithIntegerCompoundKey).IsAssignableFrom(type))
{
var key = grain.GetPrimaryKeyLong(out temp);
return($"[{key} {temp}] ");
}
else if (typeof(IGrainWithGuidKey).IsAssignableFrom(type))
{
return($"[{grain.GetPrimaryKey()}] ");
}
else if (typeof(IGrainWithGuidCompoundKey).IsAssignableFrom(type))
{
var key = grain.GetPrimaryKey(out temp);
return($"[{key} {temp}] ");
}
else if (typeof(IGrainWithStringKey).IsAssignableFrom(type))
{
return($"[{grain.GetPrimaryKeyString()}] ");
}
} catch { } // Don't throw for logging methods.
return(string.Empty);
}
private void PublishEvent(MethodInfo targetMethod, IGrain target, Exception ex)
{
var grainEvent = EventPublisher.CreateEvent();
if (target.GetPrimaryKeyString() != null)
{
grainEvent.GrainKeyString = target.GetPrimaryKeyString();
}
else if (target.IsPrimaryKeyBasedOnLong())
{
grainEvent.GrainKeyLong = target.GetPrimaryKeyLong(out var keyExt);
grainEvent.GrainKeyExtention = keyExt;
}
else
{
grainEvent.GrainKeyGuid = target.GetPrimaryKey(out var keyExt);
grainEvent.GrainKeyExtention = keyExt;
}
if (target is Grain grainTarget)
{
grainEvent.SiloAddress = grainTarget.RuntimeIdentity;
}
grainEvent.SiloDeploymentId = ConfigBuilder.ClusterConfiguration.Globals.DeploymentId;
grainEvent.TargetType = targetMethod.DeclaringType?.FullName;
grainEvent.TargetMethod = targetMethod.Name;
grainEvent.Exception = ex;
grainEvent.ErrCode = ex != null ? null : (int?)0;
try
{
EventPublisher.TryPublish(grainEvent);
}
catch (Exception)
{
EventsDiscarded.Increment();
}
}
private async Task <object> Interceptor(MethodInfo targetMethod, InvokeMethodRequest request, IGrain target, IGrainMethodInvoker invoker)
{
if (targetMethod == null)
{
throw new ArgumentNullException(nameof(targetMethod));
}
var declaringNameSpace = targetMethod.DeclaringType?.Namespace;
// Do not intercept Orleans grains or other grains which should not be included in statistics.
if (targetMethod.DeclaringType.GetCustomAttribute <ExcludeGrainFromStatisticsAttribute>() != null ||
declaringNameSpace?.StartsWith("Orleans") == true)
{
return(await invoker.Invoke(target, request));
}
RequestTimings.GetOrCreate(); // Ensure request timings is created here and not in the grain call.
RequestTimings.Current.Request.Start();
Exception ex = null;
try
{
return(await invoker.Invoke(target, request));
}
catch (Exception e)
{
ex = e;
throw;
}
finally
{
RequestTimings.Current.Request.Stop();
var grainEvent = EventPublisher.CreateEvent();
if (target.GetPrimaryKeyString() != null)
{
grainEvent.GrainKeyString = target.GetPrimaryKeyString();
}
else if (target.IsPrimaryKeyBasedOnLong())
{
grainEvent.GrainKeyLong = target.GetPrimaryKeyLong(out var keyExt);
grainEvent.GrainKeyExtention = keyExt;
}
else
{
grainEvent.GrainKeyGuid = target.GetPrimaryKey(out var keyExt);
grainEvent.GrainKeyExtention = keyExt;
}
if (target is Grain grainTarget)
{
grainEvent.SiloAddress = grainTarget.RuntimeIdentity;
}
grainEvent.SiloDeploymentId = ConfigBuilder.ClusterConfiguration.Globals.DeploymentId;
grainEvent.TargetType = targetMethod.DeclaringType?.FullName;
grainEvent.TargetMethod = targetMethod.Name;
grainEvent.Exception = ex;
grainEvent.ErrCode = ex != null ? null : (int?)0;
try
{
EventPublisher.TryPublish(grainEvent);
}
catch (Exception)
{
EventsDiscarded.Increment();
}
}
}