/// <summary>
/// Called whenever an exception occured in a logged method.
/// The existing entry may be closed or opened. If it is opened, we first
/// send the EventCreated event for the error entry before sending
/// the EventCreated event for the method itself.
/// We privilegiate here a hierarchical view: the error will be received before the end of the method.
/// </summary>
/// <param name="me">Existing entry.</param>
/// <param name="ex">Exception raised.</param>
internal void LogMethodError(LogMethodEntry me, Exception ex)
{
LogMethodEntryError l = new LogMethodEntryError(++_nextLSN, me, ex);
EventHandler <LogEventArgs> h = EventCreated;
if (me.SetError(l))
{
// Entry was opened.
--_currentDepth;
if (h != null)
{
// We first send the "Created" event for the error entry.
h(_eventSender, l);
// We then send the "Created" event for the method entry.
h(_eventSender, me);
}
else
{
_untrackedErrors.Add(l);
}
}
else
{
// Entry is already closed: just send the error entry.
if (h != null)
{
h(_eventSender, l);
}
else
{
_untrackedErrors.Add(l);
}
}
Debug.Assert(!me.IsCreating, "SetError closed the event, whatever its status was.");
}
/// <summary>
/// Called when a method is entered.
/// </summary>
/// <param name="m"></param>
/// <param name="logOptions"></param>
/// <returns></returns>
internal LogMethodEntry LogMethodEnter(MethodInfo m, ServiceLogMethodOptions logOptions)
{
Debug.Assert(logOptions != 0);
LogMethodEntry me = new LogMethodEntry();
if ((logOptions & ServiceLogMethodOptions.Leave) == 0)
{
me.InitClose(++_nextLSN, _currentDepth, m);
// Emits the "Created" event.
EventHandler <LogEventArgs> h = EventCreated;
if (h != null)
{
h(_eventSender, me);
}
}
else
{
me.InitOpen(++_nextLSN, _currentDepth++, m);
// Emits the "Creating" event.
EventHandler <LogEventArgs> h = EventCreating;
if (h != null)
{
h(_eventSender, me);
}
}
return(me);
}
internal LogMethodEntryError(int lsn, LogMethodEntry e, Exception ex)
{
Debug.Assert(e != null && ex != null);
LSN = lsn;
_entry = e;
_exception = ex;
}
internal LogMethodEntryError( int lsn, LogMethodEntry e, Exception ex )
{
Debug.Assert( e != null && ex != null );
LSN = lsn;
_entry = e;
_exception = ex;
}
protected ServiceLogMethodOptions GetLoggerForAnyCall(int iMethodMRef, out LogMethodEntry logger)
{
MEntry me = _mRefs[iMethodMRef];
ServiceLogMethodOptions o = me.LogOptions;
logger = o == ServiceLogMethodOptions.None ? null : _serviceHost.LogMethodEnter(me.Method, o);
return(o);
}
protected void OnCallException(int iMethodMRef, Exception ex, LogMethodEntry e)
{
if (e != null)
{
_serviceHost.LogMethodError(e, ex);
}
else
{
MEntry me = _mRefs[iMethodMRef];
_serviceHost.LogMethodError(me.Method, ex);
}
}
/// <summary>
/// Called when a method with an opened entry succeeds.
/// </summary>
/// <param name="me"></param>
internal void LogMethodSuccess(LogMethodEntry me)
{
Debug.Assert(me.IsCreating);
--_currentDepth;
me.Close();
EventHandler <LogEventArgs> h = EventCreated;
if (h != null)
{
h(_eventSender, me);
}
}
protected ServiceLogMethodOptions GetLoggerForRunningCall(int iMethodMRef, out LogMethodEntry logger)
{
if (_impl == null || _impl.Status == RunningStatus.Disabled)
{
throw new ServiceNotAvailableException(_typeInterface);
}
if (_impl.Status == RunningStatus.Stopped)
{
throw new ServiceStoppedException(_typeInterface);
}
MEntry me = _mRefs[iMethodMRef];
ServiceLogMethodOptions o = me.LogOptions;
o &= ServiceLogMethodOptions.CreateEntryMask;
logger = o == ServiceLogMethodOptions.None ? null : _serviceHost.LogMethodEnter(me.Method, o);
return(o);
}
protected void LogEndCallWithValue(LogMethodEntry e, object retValue)
{
Debug.Assert(e != null);
e._returnValue = retValue;
_serviceHost.LogMethodSuccess(e);
}
protected void LogEndCall(LogMethodEntry e)
{
Debug.Assert(e != null);
_serviceHost.LogMethodSuccess(e);
}
protected void OnCallException( int iMethodMRef, Exception ex, LogMethodEntry e )
{
if( e != null )
{
_serviceHost.LogMethodError( e, ex );
}
else
{
MEntry me = _mRefs[iMethodMRef];
_serviceHost.LogMethodError( me.Method, ex );
}
}
protected void LogEndCallWithValue( LogMethodEntry e, object retValue )
{
Debug.Assert( e != null );
e._returnValue = retValue;
_serviceHost.LogMethodSuccess( e );
}
protected void LogEndCall( LogMethodEntry e )
{
Debug.Assert( e != null );
_serviceHost.LogMethodSuccess( e );
}
protected ServiceLogMethodOptions GetLoggerForAnyCall( int iMethodMRef, out LogMethodEntry logger )
{
MEntry me = _mRefs[iMethodMRef];
ServiceLogMethodOptions o = me.LogOptions;
logger = o == ServiceLogMethodOptions.None ? null : _serviceHost.LogMethodEnter( me.Method, o );
return o;
}
protected ServiceLogMethodOptions GetLoggerForNotDisabledCall( int iMethodMRef, out LogMethodEntry logger )
{
if( _impl == null || _impl.Status == RunningStatus.Disabled )
{
throw new ServiceNotAvailableException( _typeInterface );
}
MEntry me = _mRefs[iMethodMRef];
ServiceLogMethodOptions o = me.LogOptions;
o &= ServiceLogMethodOptions.CreateEntryMask;
logger = o == ServiceLogMethodOptions.None ? null : _serviceHost.LogMethodEnter( me.Method, o );
return o;
}
