public void Intercept(IInvocation invocation)
{
TimeMeasure measure = (_onBeforeExecution != null || _onAfterExecution != null)
? new TimeMeasure()
: null;
Exception error = null;
_onBeforeExecution?.Invoke(_log, invocation.Method, invocation.Arguments);
try
{
invocation.Proceed();
}
catch (Exception ex)
{
if (_logExceptions)
{
_log.Trace("fatal error executing '{0}'", invocation.Method.Name, ex);
}
error = ex;
throw;
}
finally
{
if (_onAfterExecution != null)
{
long ticks = measure.ElapsedTicks;
_onAfterExecution(_log, invocation.Method, invocation.Arguments, invocation.ReturnValue, ticks, error);
}
if (measure != null)
{
measure.Dispose();
}
}
}