public TransitionEvent(
EventDescriptor descriptor,
params uint[] participants)
{
this.Descriptor = descriptor;
this.Participants = participants;
}
private static Guid WINDOWS_SQM_GLOBALSESSION = new Guid("95baba28-ed26-49c9-b74f-93b170e1b849"); // new Guid("{ 0x95baba28, 0xed26, 0x49c9, { 0xb7, 0x4f, 0x93, 0xb1, 0x70, 0xe1, 0xb8, 0x49 }}");
private static void FireWinSQMEvent(EventDescriptor eventDescriptor, Dictionary<int, int> dataToWrite)
{
Guid empty = Guid.Empty;
if (WinSqmEventEnabled(ref eventDescriptor, ref empty))
{
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(WINDOWS_SQM_GLOBALSESSION));
IntPtr ptr2 = Marshal.AllocHGlobal(4);
IntPtr ptr3 = Marshal.AllocHGlobal(4);
try
{
Marshal.StructureToPtr(WINDOWS_SQM_GLOBALSESSION, ptr, true);
foreach (int num in dataToWrite.Keys)
{
int structure = dataToWrite[num];
Marshal.StructureToPtr(num, ptr2, true);
Marshal.StructureToPtr(structure, ptr3, true);
FireWinSQMEvent(eventDescriptor, ptr, ptr2, ptr3);
}
}
finally
{
Marshal.FreeHGlobal(ptr);
Marshal.FreeHGlobal(ptr2);
Marshal.FreeHGlobal(ptr3);
}
}
}
internal unsafe bool WriteEvent(ref EventDescriptor eventDescriptor, long value1)
{
byte* numPtr = stackalloc byte[(IntPtr) sizeof(System.Runtime.Interop.UnsafeNativeMethods.EventData)];
System.Runtime.Interop.UnsafeNativeMethods.EventData* dataPtr = (System.Runtime.Interop.UnsafeNativeMethods.EventData*) numPtr;
dataPtr->DataPointer = (ulong) ((IntPtr) &value1);
dataPtr->Size = 8;
return base.WriteEvent(ref eventDescriptor, 1, (IntPtr) numPtr);
}
private static void FireWinSQMEvent(EventDescriptor eventDescriptor, IntPtr sessionHandle, IntPtr dataPointIDHandle, IntPtr dataValueHandle)
{
EventDataDescriptor descriptor = new EventDataDescriptor(sessionHandle, Marshal.SizeOf(WINDOWS_SQM_GLOBALSESSION));
EventDataDescriptor descriptor2 = new EventDataDescriptor(dataPointIDHandle, 4);
EventDataDescriptor descriptor3 = new EventDataDescriptor(dataValueHandle, 4);
EventDataDescriptor[] userData = new EventDataDescriptor[] { descriptor, descriptor2, descriptor3 };
WinSqmEventWrite(ref eventDescriptor, userData.Length, userData);
}
/// <summary>
/// Returns all populations that are valid for this signature
/// </summary>
private static IEnumerable<EventPopulation> GetApplicable(
EventDescriptor evtDesc,
IEnumerable<EventPopulation> candidates,
IEnumerable<IHasState> allWorldObjs)
{
foreach (EventPopulation candidate in candidates)
if (evtDesc.CheckRequirements(candidate.AsParams(), allWorldObjs) == true)
yield return candidate;
}
/// <summary>
/// Given an enumeration of objects, assembles them into valid
/// participant populations for this event. Requires that the event
/// takes only SmartObject participants (or equivalent).
/// </summary>
public static IEnumerable<EventPopulation> GetValidPopulations(
EventDescriptor evtDesc,
IEnumerable<IHasState> objsToConsider,
IEnumerable<IHasState> allWorldObjs)
{
BinHolder bins = BinIntoParameterSlots(evtDesc, objsToConsider);
return GetApplicable(
evtDesc,
GetPopulations(evtDesc, bins),
allWorldObjs);
}
private static void SaveEvent(EventDescriptor eventDescriptor, SQLiteTransaction transaction)
{
const string commandText = "INSERT INTO Events VALUES(@aggregateId, @eventData, @version)";
using (var sqLiteCommand = new SQLiteCommand(commandText, transaction.Connection, transaction))
{
sqLiteCommand.Parameters.Add(new SQLiteParameter("@aggregateId", eventDescriptor.AggregateId));
sqLiteCommand.Parameters.Add(new SQLiteParameter("@eventData", eventDescriptor.EventData));
sqLiteCommand.Parameters.Add(new SQLiteParameter("@version", eventDescriptor.Version));
sqLiteCommand.ExecuteNonQuery();
}
}
public void Save(Guid aggregateId, Event @event)
{
List<EventDescriptor> list;
db.TryGetValue(aggregateId, out list);
if(list == null)
{
list = new List<EventDescriptor>();
db.Add(aggregateId, list);
}
var eventDescriptor = new EventDescriptor(@event.Id, @event, @event.Version);
list.Add(eventDescriptor);
}
private async void SaveEvent(Event @event, string streamName)
{
var eventDescriptor = new EventDescriptor(Guid.NewGuid(), @event.GetType().Name, @event);
var serializedEvent = JsonConvert.SerializeObject(new EventDescriptor[] { eventDescriptor });
using (var client = new HttpClient())
{
client.BaseAddress = new Uri("http://localhost:2113/streams/");
var response = await client.PostAsync(streamName, new StringContent(serializedEvent, Encoding.UTF8, "application/vnd.eventstore.events+json"));
_logger.LogInformation(string.Format("Saving event {0} to stream resulted with {1}", eventDescriptor.EventType, response.StatusCode));
}
}
public void ConstructorReadOnlyTests()
{
var descriptors = new EventDescriptor[]
{
new MockEventDescriptor("descriptor1")
};
var collection = new EventDescriptorCollection(descriptors, true);
Assert.Equal(descriptors, collection.Cast<EventDescriptor>());
// These methods are implemented as explicit properties so we need to ensure they are what we expect
Assert.True(((IList)collection).IsReadOnly);
Assert.True(((IList)collection).IsFixedSize);
}
/// <summary>
/// Takes a list of world SmartObjects and an EventDescriptor and creates
/// one bin for each of the event's participant slot containing the
/// objects that satisfy that slot's State (not Relation) requirements.
/// Makes sure that any index in fixedSlots only considers the accompanied
/// SmartObject. Does however not check state for those.
/// </summary>
private static BinHolder BinIntoParameterSlots(
EventDescriptor evtDesc,
IEnumerable<IHasState> objs,
IDictionary<int, IHasState> fixedSlots = null)
{
StateName[][] stateReqs = evtDesc.StateRequirements;
BinHolder bins = new BinHolder(stateReqs.Length);
for (int i = 0; i < stateReqs.Length; i++)
{
if (fixedSlots != null && fixedSlots.ContainsKey(i) == true)
bins.AddBin(new IHasState[] { fixedSlots[i] });
else
bins.AddBin(Filter.ByState(objs, stateReqs[i]));
}
return bins;
}
public IEnumerable Explore(WorldState initial, EventDescriptor[] evtDescs)
{
List<ExplorationNode> stateSpace = new List<ExplorationNode>();
this.status = ExplorationStatus.Exploring;
foreach (var step in Step_Exploring(initial, evtDescs, stateSpace))
{
exploredNodes = stateSpace.Count;
if (exploredNodes > MAX_NODES)
break;
yield return null;
}
// TODO: Temporarily disabling expanding..
//this.status = Status.Expanding;
//foreach (var step in Step_Expanding(stateSpace))
// yield return null;
this.status = ExplorationStatus.PageRank;
foreach (var step in Step_PageRanking(stateSpace, 0.85, 200, 5, 0.01))
yield return null;
this.status = ExplorationStatus.InversePageRank;
foreach (var step in Step_InversePageRanking(stateSpace, 0.85, 200, 5, 0.01))
yield return null;
this.status = ExplorationStatus.Path;
#if !GPU
foreach (var step in Step_Pathing(stateSpace))
yield return null;
#else
Console.WriteLine("\nProcessing paths on GPU...");
Crunch.GPUGraphUtil.GPUPath(stateSpace);
#endif
//this.status = ExplorationStatus.MinCut;
//foreach (var step in Step_MinCut(stateSpace))
// yield return null;
this.status = ExplorationStatus.Done;
this.space = new ExplorationSpace(stateSpace);
yield break;
}
private void SaveEventsInternal(IEnumerable<DomainEvent> events, ITapeStream stream, int version)
{
var array = events.ToArray();
foreach (var @event in array)
{
@event.Version = ++version;
byte[] bytes;
using (var buffer = new MemoryStream())
{
var descriptor = new EventDescriptor(@event);
serializer.Serialize(descriptor, buffer);
bytes = buffer.ToArray();
}
stream.TryAppend(bytes, TapeAppendCondition.None);
}
sender.SendBatch(array);
}
internal unsafe bool WriteEvent(ref EventDescriptor eventDescriptor, string value1, string value2)
{
bool flag = true;
value1 = value1 ?? string.Empty;
value2 = value2 ?? string.Empty;
fixed (char* str = ((char*) value1))
{
char* chPtr = str;
fixed (char* str2 = ((char*) value2))
{
char* chPtr2 = str2;
byte* numPtr = stackalloc byte[(IntPtr) (sizeof(System.Runtime.Interop.UnsafeNativeMethods.EventData) * 2)];
System.Runtime.Interop.UnsafeNativeMethods.EventData* dataPtr = (System.Runtime.Interop.UnsafeNativeMethods.EventData*) numPtr;
dataPtr->DataPointer = (ulong) chPtr;
dataPtr->Size = (uint) ((value1.Length + 1) * 2);
dataPtr[1].DataPointer = (ulong) chPtr2;
dataPtr[1].Size = (uint) ((value2.Length + 1) * 2);
flag = base.WriteEvent(ref eventDescriptor, 2, (IntPtr) numPtr);
}
}
return flag;
}
private static void FireWinSQMEvent(EventDescriptor eventDescriptor, int dataPointID, int dataPointValue)
{
Guid empty = Guid.Empty;
if (WinSqmEventEnabled(ref eventDescriptor, ref empty))
{
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(WINDOWS_SQM_GLOBALSESSION));
IntPtr ptr2 = Marshal.AllocHGlobal(4);
IntPtr ptr3 = Marshal.AllocHGlobal(4);
try
{
Marshal.StructureToPtr(WINDOWS_SQM_GLOBALSESSION, ptr, true);
Marshal.StructureToPtr(dataPointID, ptr2, true);
Marshal.StructureToPtr(dataPointValue, ptr3, true);
FireWinSQMEvent(eventDescriptor, ptr, ptr2, ptr3);
}
finally
{
Marshal.FreeHGlobal(ptr);
Marshal.FreeHGlobal(ptr2);
Marshal.FreeHGlobal(ptr3);
}
}
}
public bool Equals(EventDescriptor other)
{
if ((m_id != other.m_id) ||
(m_version != other.m_version) ||
(m_channel != other.m_channel) ||
(m_level != other.m_level) ||
(m_opcode != other.m_opcode) ||
(m_task != other.m_task) ||
(m_keywords != other.m_keywords))
{
return false;
}
return true;
}
internal unsafe bool WriteEventRaw(
ref EventDescriptor eventDescriptor,
Guid* activityID,
Guid* relatedActivityID,
int dataCount,
IntPtr data)
{
int status;
status = UnsafeNativeMethods.ManifestEtw.EventWriteTransferWrapper(
m_regHandle,
ref eventDescriptor,
activityID,
relatedActivityID,
dataCount,
(EventData*)data);
if (status != 0)
{
SetLastError(status);
return false;
}
return true;
}
internal override bool NotifyValueGivenParent(object obj, int type)
{
if (obj is ICustomTypeDescriptor)
{
obj = ((ICustomTypeDescriptor)obj).GetPropertyOwner(propertyInfo);
}
switch (type)
{
case NOTIFY_RESET:
object[] objects = (object[])obj;
if (objects != null && objects.Length > 0)
{
IDesignerHost host = DesignerHost;
DesignerTransaction trans = null;
if (host != null)
{
trans = host.CreateTransaction(string.Format(SR.PropertyGridResetValue, PropertyName));
}
try
{
bool needChangeNotify = !(objects[0] is IComponent) || ((IComponent)objects[0]).Site == null;
if (needChangeNotify)
{
if (!OnComponentChanging())
{
if (trans != null)
{
trans.Cancel();
trans = null;
}
return(false);
}
}
mergedPd.ResetValue(obj);
if (needChangeNotify)
{
OnComponentChanged();
}
NotifyParentChange(this);
}
finally
{
if (trans != null)
{
trans.Commit();
}
}
}
return(false);
case NOTIFY_DBL_CLICK:
case NOTIFY_RETURN:
Debug.Assert(propertyInfo is MergePropertyDescriptor, "Did not get a MergePropertyDescriptor!!!");
Debug.Assert(obj is object[], "Did not get an array of objects!!");
if (propertyInfo is MergePropertyDescriptor mpd)
{
object[] objs = (object[])obj;
if (eventBindings == null)
{
eventBindings = (IEventBindingService)GetService(typeof(IEventBindingService));
}
if (eventBindings != null)
{
EventDescriptor descriptor = eventBindings.GetEvent(mpd[0]);
if (descriptor != null)
{
return(ViewEvent(obj, null, descriptor, true));
}
}
return(false);
}
else
{
return(base.NotifyValueGivenParent(obj, type));
}
}
return(base.NotifyValueGivenParent(obj, type));
}
protected override string CreateUniqueMethodName(IComponent component, EventDescriptor e)
{
string componentName = GetComponentName(component);
return(GetEventHandlerName(componentName, e.DisplayName));
}
private object SetPropertyValue(object obj, object objVal, bool reset, string undoText)
{
DesignerTransaction trans = null;
try
{
object oldValue = GetPropertyValueCore(obj);
if (objVal != null && objVal.Equals(oldValue))
{
return(objVal);
}
ClearCachedValues();
IDesignerHost host = DesignerHost;
if (host != null)
{
string text = (undoText ?? string.Format(SR.PropertyGridSetValue, propertyInfo.Name));
trans = host.CreateTransaction(text);
}
// Usually IComponent things are sited and this notification will be
// fired automatically by the PropertyDescriptor. However, for non-IComponent sub objects
// or sub objects that are non-sited sub components, we need to manuall fire
// the notification.
//
bool needChangeNotify = !(obj is IComponent) || ((IComponent)obj).Site == null;
if (needChangeNotify)
{
try
{
if (ComponentChangeService != null)
{
ComponentChangeService.OnComponentChanging(obj, propertyInfo);
}
}
catch (CheckoutException coEx)
{
if (coEx == CheckoutException.Canceled)
{
return(oldValue);
}
throw coEx;
}
}
bool wasExpanded = InternalExpanded;
int childCount = -1;
if (wasExpanded)
{
childCount = ChildCount;
}
RefreshPropertiesAttribute refreshAttr = (RefreshPropertiesAttribute)propertyInfo.Attributes[typeof(RefreshPropertiesAttribute)];
bool needsRefresh = wasExpanded || (refreshAttr != null && !refreshAttr.RefreshProperties.Equals(RefreshProperties.None));
if (needsRefresh)
{
DisposeChildren();
}
// Determine if this is an event being created, and if so, navigate to the event code
//
EventDescriptor eventDesc = null;
// This is possibly an event. Check it out.
//
if (obj != null && objVal is string)
{
if (eventBindings == null)
{
eventBindings = (IEventBindingService)GetService(typeof(IEventBindingService));
}
if (eventBindings != null)
{
eventDesc = eventBindings.GetEvent(propertyInfo);
}
// For a merged set of propertius, the event binding service won't
// find an event. So, we ask type descriptor directly.
//
if (eventDesc == null)
{
// If we have a merged property descriptor, pull out one of
// the elements.
//
object eventObj = obj;
if (propertyInfo is MergePropertyDescriptor && obj is Array)
{
Array objArray = obj as Array;
if (objArray.Length > 0)
{
eventObj = objArray.GetValue(0);
}
}
eventDesc = TypeDescriptor.GetEvents(eventObj)[propertyInfo.Name];
}
}
bool setSuccessful = false;
try
{
if (reset)
{
propertyInfo.ResetValue(obj);
}
else if (eventDesc != null)
{
ViewEvent(obj, (string)objVal, eventDesc, false);
}
else
{ // Not an event
SetPropertyValueCore(obj, objVal, true);
}
setSuccessful = true;
// Now notify the change service that the change was successful.
//
if (needChangeNotify && ComponentChangeService != null)
{
ComponentChangeService.OnComponentChanged(obj, propertyInfo, null, objVal);
}
NotifyParentChange(this);
}
finally
{
// see if we need to refresh the property browser
// 1) if this property has the refreshpropertiesattribute, or
// 2) it's got expanded sub properties
//
if (needsRefresh && GridEntryHost != null)
{
RecreateChildren(childCount);
if (setSuccessful)
{
GridEntryHost.Refresh(refreshAttr != null && refreshAttr.Equals(RefreshPropertiesAttribute.All));
}
}
}
}
catch (CheckoutException checkoutEx)
{
if (trans != null)
{
trans.Cancel();
trans = null;
}
if (checkoutEx == CheckoutException.Canceled)
{
return(null);
}
throw;
}
catch
{
if (trans != null)
{
trans.Cancel();
trans = null;
}
throw;
}
finally
{
if (trans != null)
{
trans.Commit();
}
}
return(obj);
}
public MockPropertyDescriptor GetLoadEventPropertyDescriptor()
{
EventDescriptor loadEventDescriptor = GetLoadEventDescriptor();
return(base.ComponentCreator.GetEventProperty(loadEventDescriptor) as MockPropertyDescriptor);
}
protected override ICollection GetCompatibleMethods(EventDescriptor e)
{
return(new PropertyDescriptorCollection(null));
}
internal unsafe bool WriteEvent(ref EventDescriptor eventDescriptor, string value1, long value2, string value3, string value4)
{
bool flag = true;
value1 = value1 ?? string.Empty;
value3 = value3 ?? string.Empty;
value4 = value4 ?? string.Empty;
fixed (char* str = ((char*) value1))
{
char* chPtr = str;
fixed (char* str2 = ((char*) value3))
{
char* chPtr2 = str2;
fixed (char* str3 = ((char*) value4))
{
char* chPtr3 = str3;
byte* numPtr = stackalloc byte[(IntPtr) (sizeof(System.Runtime.Interop.UnsafeNativeMethods.EventData) * 4)];
System.Runtime.Interop.UnsafeNativeMethods.EventData* dataPtr = (System.Runtime.Interop.UnsafeNativeMethods.EventData*) numPtr;
dataPtr->DataPointer = (ulong) chPtr;
dataPtr->Size = (uint) ((value1.Length + 1) * 2);
dataPtr[1].DataPointer = (ulong) ((IntPtr) &value2);
dataPtr[1].Size = 8;
dataPtr[2].DataPointer = (ulong) chPtr2;
dataPtr[2].Size = (uint) ((value3.Length + 1) * 2);
dataPtr[3].DataPointer = (ulong) chPtr3;
dataPtr[3].Size = (uint) ((value4.Length + 1) * 2);
flag = base.WriteEvent(ref eventDescriptor, 4, (IntPtr) numPtr);
}
}
}
str3 = null;
return flag;
}
public XamlEventPropertyInfo(EventDescriptor eventDescriptor)
{
this._eventDescriptor = eventDescriptor;
}
public EventDescriptorXamlMember(EventDescriptor evt, XamlType declaringType)
: base(evt.CheckNotNull("evt"), declaringType)
{
}
public virtual EventDescriptor GetDefaultEvent()
{
EventDescriptor ed = TypeDescriptor.GetDefaultEvent(this, true);
return(ed);
}
public EventDescriptor GetDefaultEvent()
{
return(defaultEvent ?? (defaultEvent = TypeDescriptor.GetDefaultEvent(ModelType)));
}
// sohuld look around in form class for compatiable methodes
protected override ICollection GetCompatibleMethods(EventDescriptor e)
{
return(this.formDesigner.GetCompatibleMethods(e));
}
protected override ICollection GetCompatibleMethods(EventDescriptor e)
{
return(new ArrayList());
}
protected override string CreateUniqueMethodName(IComponent component, EventDescriptor e)
{
return(string.Empty);
}
internal override bool NotifyValueGivenParent(object obj, int type)
{
if (obj is ICustomTypeDescriptor)
{
obj = ((ICustomTypeDescriptor)obj).GetPropertyOwner(propertyInfo);
}
switch (type)
{
case NOTIFY_RESET:
SetPropertyValue(obj, null, true, string.Format(SR.PropertyGridResetValue, PropertyName));
if (pvUIItems != null)
{
for (int i = 0; i < pvUIItems.Length; i++)
{
pvUIItems[i].Reset();
}
}
pvUIItems = null;
return(false);
case NOTIFY_CAN_RESET:
try
{
return(propertyInfo.CanResetValue(obj) || (pvUIItems != null && pvUIItems.Length > 0));
}
catch
{
if (exceptionConverter == null)
{
// clear the flags
Flags = 0;
exceptionConverter = new ExceptionConverter();
exceptionEditor = new ExceptionEditor();
}
return(false);
}
case NOTIFY_SHOULD_PERSIST:
try
{
return(propertyInfo.ShouldSerializeValue(obj));
}
catch
{
if (exceptionConverter == null)
{
// clear the flags
Flags = 0;
exceptionConverter = new ExceptionConverter();
exceptionEditor = new ExceptionEditor();
}
return(false);
}
case NOTIFY_DBL_CLICK:
case NOTIFY_RETURN:
if (eventBindings == null)
{
eventBindings = (IEventBindingService)GetService(typeof(IEventBindingService));
}
if (eventBindings != null)
{
EventDescriptor descriptor = eventBindings.GetEvent(propertyInfo);
if (descriptor != null)
{
return(ViewEvent(obj, null, null, true));
}
}
break;
}
return(false);
}
public MockPropertyDescriptor GetButtonKeyDownEventPropertyDescriptor()
{
EventDescriptor eventDescriptor = GetButtonKeyDownEventDescriptor();
return(base.ComponentCreator.GetEventProperty(eventDescriptor) as MockPropertyDescriptor);
}
protected bool ViewEvent(object obj, string newHandler, EventDescriptor eventdesc, bool alwaysNavigate)
{
object value = GetPropertyValueCore(obj);
string handler = value as string;
if (handler == null && value != null && TypeConverter != null && TypeConverter.CanConvertTo(typeof(string)))
{
handler = TypeConverter.ConvertToString(value);
}
if (newHandler == null && !string.IsNullOrEmpty(handler))
{
newHandler = handler;
}
else if (handler == newHandler && !string.IsNullOrEmpty(newHandler))
{
return(true);
}
IComponent component = obj as IComponent;
if (component == null && propertyInfo is MergePropertyDescriptor)
{
// It's possible that multiple objects are selected, and we're trying to create an event for each of them
//
if (obj is Array objArray && objArray.Length > 0)
{
component = objArray.GetValue(0) as IComponent;
}
}
if (component == null)
{
return(false);
}
if (propertyInfo.IsReadOnly)
{
return(false);
}
if (eventdesc == null)
{
if (eventBindings == null)
{
eventBindings = (IEventBindingService)GetService(typeof(IEventBindingService));
}
if (eventBindings != null)
{
eventdesc = eventBindings.GetEvent(propertyInfo);
}
}
IDesignerHost host = DesignerHost;
DesignerTransaction trans = null;
try
{
// This check can cause exceptions if the event has unreferenced dependencies, which we want to cath.
// This must be done before the transaction is started or the commit/cancel will also throw.
if (eventdesc.EventType == null)
{
return(false);
}
if (host != null)
{
string compName = component.Site != null ? component.Site.Name : component.GetType().Name;
trans = DesignerHost.CreateTransaction(string.Format(SR.WindowsFormsSetEvent, compName + "." + PropertyName));
}
if (eventBindings == null)
{
ISite site = component.Site;
if (site != null)
{
eventBindings = (IEventBindingService)site.GetService(typeof(IEventBindingService));
}
}
if (newHandler == null && eventBindings != null)
{
newHandler = eventBindings.CreateUniqueMethodName(component, eventdesc);
}
if (newHandler != null)
{
// now walk through all the matching methods to see if this one exists.
// if it doesn't we'll wanna show code.
//
if (eventBindings != null)
{
bool methodExists = false;
foreach (string methodName in eventBindings.GetCompatibleMethods(eventdesc))
{
if (newHandler == methodName)
{
methodExists = true;
break;
}
}
if (!methodExists)
{
alwaysNavigate = true;
}
}
try
{
propertyInfo.SetValue(obj, newHandler);
}
catch (InvalidOperationException ex)
{
if (trans != null)
{
trans.Cancel();
trans = null;
}
if (GridEntryHost != null && GridEntryHost is PropertyGridView)
{
PropertyGridView pgv = GridEntryHost as PropertyGridView;
pgv.ShowInvalidMessage(newHandler, obj, ex);
}
return(false);
}
}
if (alwaysNavigate && eventBindings != null)
{
targetBindingService = eventBindings;
targetComponent = component;
targetEventdesc = eventdesc;
Application.Idle += new EventHandler(PropertyDescriptorGridEntry.ShowCodeIdle);
}
}
catch
{
if (trans != null)
{
trans.Cancel();
trans = null;
}
throw;
}
finally
{
if (trans != null)
{
trans.Commit();
}
}
return(true);
}
EventDescriptor ICustomTypeDescriptor.GetDefaultEvent()
{
EventDescriptor ed = TypeDescriptor.GetDefaultEvent(this, true);
return(ed);
}
public ICollection GetCompatibleMethods(EventDescriptor edesc)
{
throw new NotImplementedException();
}
/// <summary>
/// Creates a method signature in the source code file for the default event on the component and navigates the user's cursor to that location in preparation to assign the default action.
/// </summary>
public virtual void DoDefaultAction()
{
IEventBindingService eps = (IEventBindingService)GetService(typeof(IEventBindingService));
//If the event binding service is not available, there is nothing much we can do, so just return.
if (eps == null)
{
return;
}
ISelectionService selectionService = (ISelectionService)GetService(typeof(ISelectionService));
if (selectionService == null)
{
return;
}
ICollection components = selectionService.GetSelectedComponents();
EventDescriptor thisDefaultEvent = null;
string thisHandler = null;
IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost));
DesignerTransaction t = null;
try
{
foreach (object comp in components)
{
if (!(comp is IComponent))
{
continue;
}
EventDescriptor defaultEvent = TypeDescriptor.GetDefaultEvent(comp);
PropertyDescriptor defaultPropEvent = null;
string handler = null;
bool eventChanged = false;
if (defaultEvent != null)
{
defaultPropEvent = eps.GetEventProperty(defaultEvent);
}
// If we couldn't find a property for this event, or of the property is read only, then abort.
if (defaultPropEvent == null || defaultPropEvent.IsReadOnly)
{
continue;
}
try
{
if (host != null && t == null)
{
t = host.CreateTransaction(string.Format(SR.ComponentDesignerAddEvent, defaultEvent.Name));
}
}
catch (CheckoutException cxe)
{
if (cxe == CheckoutException.Canceled)
{
return;
}
throw cxe;
}
// handler will be null if there is no explicit event hookup in the parsed init method
handler = (string)defaultPropEvent.GetValue(comp);
if (handler == null)
{
eventChanged = true;
handler = eps.CreateUniqueMethodName((IComponent)comp, defaultEvent);
}
else
{
// ensure the handler is still there
eventChanged = true;
foreach (string compatibleMethod in eps.GetCompatibleMethods(defaultEvent))
{
if (handler == compatibleMethod)
{
eventChanged = false;
break;
}
}
}
// Save the new value... BEFORE navigating to it!
//s_codemarkers.CodeMarker(CodeMarkerEvent.perfFXBindEventDesignToCode);
if (eventChanged && defaultPropEvent != null)
{
defaultPropEvent.SetValue(comp, handler);
}
if (_component == comp)
{
thisDefaultEvent = defaultEvent;
thisHandler = handler;
}
}
}
catch (InvalidOperationException)
{
if (t != null)
{
t.Cancel();
t = null;
}
}
finally
{
if (t != null)
{
t.Commit();
}
}
// Now show the event code.
if (thisHandler != null && thisDefaultEvent != null)
{
eps.ShowCode(_component, thisDefaultEvent);
}
}
/// <summary>
/// Creates a new instance of EtwEventArgs class.
/// </summary>
/// <param name="descriptor">Event descriptor.</param>
/// <param name="success">Indicate whether the event is successfully written.</param>
/// <param name="payload">Event payload.</param>
public EtwEventArgs(EventDescriptor descriptor, bool success, object[] payload)
{
this.Descriptor = descriptor;
this.Payload = payload;
this.Success = success;
}
/// <summary>
/// WriteEvent method to write parameters with event schema properties
/// </summary>
/// <param name="EventDescriptor">
/// Event Descriptor for this event.
/// </param>
public bool WriteEvent(ref EventDescriptor eventDescriptor, params object[] eventPayload)
{
return WriteTransferEvent(ref eventDescriptor, Guid.Empty, eventPayload);
}
public bool WriteTransferEvent(ref EventDescriptor eventDescriptor, Guid relatedActivityId, params object[] eventPayload)
{
uint status = 0;
if (IsEnabled(eventDescriptor.Level, eventDescriptor.Keywords))
{
Guid activityId = GetActivityId();
unsafe
{
int argCount = 0;
EventData* userDataPtr = null;
if ((eventPayload != null) && (eventPayload.Length != 0))
{
argCount = eventPayload.Length;
if (argCount > s_etwMaxMumberArguments)
{
//
//too many arguments to log
//
throw new ArgumentOutOfRangeException("eventPayload",
SR.GetString(SR.ArgumentOutOfRange_MaxArgExceeded, s_etwMaxMumberArguments));
}
uint totalEventSize = 0;
int index;
int stringIndex = 0;
int[] stringPosition = new int[s_etwAPIMaxStringCount]; //used to keep the position of strings in the eventPayload parameter
string[] dataString = new string[s_etwAPIMaxStringCount]; // string arrays from the eventPayload parameter
EventData* userData = stackalloc EventData[argCount]; // allocation for the data descriptors
userDataPtr = (EventData*)userData;
byte* dataBuffer = stackalloc byte[s_basicTypeAllocationBufferSize * argCount]; // 16 byte for unboxing non-string argument
byte* currentBuffer = dataBuffer;
//
// The loop below goes through all the arguments and fills in the data
// descriptors. For strings save the location in the dataString array.
// Caculates the total size of the event by adding the data descriptor
// size value set in EncodeObjec method.
//
for (index = 0; index < eventPayload.Length; index++)
{
string isString;
isString = EncodeObject(ref eventPayload[index], userDataPtr, currentBuffer);
currentBuffer += s_basicTypeAllocationBufferSize;
totalEventSize += userDataPtr->Size;
userDataPtr++;
if (isString != null)
{
if (stringIndex < s_etwAPIMaxStringCount)
{
dataString[stringIndex] = isString;
stringPosition[stringIndex] = index;
stringIndex++;
}
else
{
throw new ArgumentOutOfRangeException("eventPayload",
SR.GetString(SR.ArgumentOutOfRange_MaxStringsExceeded, s_etwAPIMaxStringCount));
}
}
}
if (totalEventSize > s_traceEventMaximumSize)
{
t_returnCode = WriteEventErrorCode.EventTooBig;
return false;
}
fixed (char* v0 = dataString[0], v1 = dataString[1], v2 = dataString[2], v3 = dataString[3],
v4 = dataString[4], v5 = dataString[5], v6 = dataString[6], v7 = dataString[7])
{
userDataPtr = (EventData*)userData;
if (dataString[0] != null)
{
userDataPtr[stringPosition[0]].DataPointer = (ulong)v0;
}
if (dataString[1] != null)
{
userDataPtr[stringPosition[1]].DataPointer = (ulong)v1;
}
if (dataString[2] != null)
{
userDataPtr[stringPosition[2]].DataPointer = (ulong)v2;
}
if (dataString[3] != null)
{
userDataPtr[stringPosition[3]].DataPointer = (ulong)v3;
}
if (dataString[4] != null)
{
userDataPtr[stringPosition[4]].DataPointer = (ulong)v4;
}
if (dataString[5] != null)
{
userDataPtr[stringPosition[5]].DataPointer = (ulong)v5;
}
if (dataString[6] != null)
{
userDataPtr[stringPosition[6]].DataPointer = (ulong)v6;
}
if (dataString[7] != null)
{
userDataPtr[stringPosition[7]].DataPointer = (ulong)v7;
}
}
}
if (relatedActivityId == Guid.Empty && s_preWin7)
{
// If relatedActivityId is Guid.Empty, this is not a real transfer: just call EventWrite().
// For pre-Win7 platforms we cannot set the activityId from CorrelationManager
// because we cannot set relatedActivityId to null (Win7 bug 116784)
status = UnsafeNativeMethods.EventWrite (m_regHandle,
ref eventDescriptor,
(uint)argCount,
userDataPtr);
}
else
{
status = UnsafeNativeMethods.EventWriteTransfer (m_regHandle,
ref eventDescriptor,
(activityId == Guid.Empty) ? null : &activityId,
(relatedActivityId == Guid.Empty && !s_preWin7)? null : &relatedActivityId,
(uint)argCount,
userDataPtr);
}
}
}
if (status != 0)
{
SetLastError((int)status);
return false;
}
return true;
}
public PseudoEventLibrary(EventDescriptor[] descs)
{
this.descLib = new Dictionary<string, EventDescriptor>();
foreach (EventDescriptor desc in descs)
this.descLib.Add(desc.Name, desc);
}
public EventDescriptorXamlMemberInvoker(EventDescriptorXamlMember xamlMember)
: base(xamlMember)
{
Descriptor = xamlMember.Descriptor;
}
protected override bool ShowCode(IComponent component, EventDescriptor e, string methodName)
{
throw new NotImplementedException();
}
internal unsafe bool WriteEvent(ref EventDescriptor eventDescriptor, int value1, int value2, int value3)
{
byte* numPtr = stackalloc byte[(IntPtr) (sizeof(System.Runtime.Interop.UnsafeNativeMethods.EventData) * 3)];
System.Runtime.Interop.UnsafeNativeMethods.EventData* dataPtr = (System.Runtime.Interop.UnsafeNativeMethods.EventData*) numPtr;
dataPtr->DataPointer = (ulong) ((IntPtr) &value1);
dataPtr->Size = 4;
dataPtr[1].DataPointer = (ulong) ((IntPtr) &value2);
dataPtr[1].Size = 4;
dataPtr[2].DataPointer = (ulong) ((IntPtr) &value3);
dataPtr[2].Size = 4;
return base.WriteEvent(ref eventDescriptor, 3, (IntPtr) numPtr);
}
protected internal override bool NotifyValueGivenParent(object @object, Notify type)
{
if (@object is ICustomTypeDescriptor descriptor)
{
@object = descriptor.GetPropertyOwner(_propertyInfo);
}
switch (type)
{
case Notify.Reset:
object[] objects = (object[])@object;
if (objects is not null && objects.Length > 0)
{
IDesignerHost host = DesignerHost;
DesignerTransaction transaction = host?.CreateTransaction(string.Format(SR.PropertyGridResetValue, PropertyName));
try
{
bool needChangeNotify = objects[0] is not IComponent component || component.Site is null;
if (needChangeNotify)
{
if (!OnComponentChanging())
{
transaction?.Cancel();
transaction = null;
return(false);
}
}
_mergedDescriptor.ResetValue(@object);
if (needChangeNotify)
{
OnComponentChanged();
}
NotifyParentChange(this);
}
finally
{
transaction?.Commit();
}
}
return(false);
case Notify.DoubleClick:
case Notify.Return:
Debug.Assert(_propertyInfo is MergePropertyDescriptor, "Did not get a MergePropertyDescriptor!!!");
Debug.Assert(@object is object[], "Did not get an array of objects!!");
if (_propertyInfo is MergePropertyDescriptor mpd)
{
_eventBindings ??= this.GetService <IEventBindingService>();
if (_eventBindings is not null)
{
EventDescriptor eventDescriptor = _eventBindings.GetEvent(mpd[0]);
if (eventDescriptor is not null)
{
return(ViewEvent(@object, null, eventDescriptor, true));
}
}
return(false);
}
else
{
return(base.NotifyValueGivenParent(@object, type));
}
}
return(base.NotifyValueGivenParent(@object, type));
}
internal unsafe bool WriteEvent(ref EventDescriptor eventDescriptor, string value1, string value2, string value3, string value4, string value5, string value6, string value7)
{
bool flag = true;
value1 = value1 ?? string.Empty;
value2 = value2 ?? string.Empty;
value3 = value3 ?? string.Empty;
value4 = value4 ?? string.Empty;
value5 = value5 ?? string.Empty;
value6 = value6 ?? string.Empty;
value7 = value7 ?? string.Empty;
fixed (char* str = ((char*) value1))
{
char* chPtr = str;
fixed (char* str2 = ((char*) value2))
{
char* chPtr2 = str2;
fixed (char* str3 = ((char*) value3))
{
char* chPtr3 = str3;
fixed (char* str4 = ((char*) value4))
{
char* chPtr4 = str4;
fixed (char* str5 = ((char*) value5))
{
char* chPtr5 = str5;
fixed (char* str6 = ((char*) value6))
{
char* chPtr6 = str6;
fixed (char* str7 = ((char*) value7))
{
char* chPtr7 = str7;
byte* numPtr = stackalloc byte[(IntPtr) (sizeof(System.Runtime.Interop.UnsafeNativeMethods.EventData) * 7)];
System.Runtime.Interop.UnsafeNativeMethods.EventData* dataPtr = (System.Runtime.Interop.UnsafeNativeMethods.EventData*) numPtr;
dataPtr->DataPointer = (ulong) chPtr;
dataPtr->Size = (uint) ((value1.Length + 1) * 2);
dataPtr[1].DataPointer = (ulong) chPtr2;
dataPtr[1].Size = (uint) ((value2.Length + 1) * 2);
dataPtr[2].DataPointer = (ulong) chPtr3;
dataPtr[2].Size = (uint) ((value3.Length + 1) * 2);
dataPtr[3].DataPointer = (ulong) chPtr4;
dataPtr[3].Size = (uint) ((value4.Length + 1) * 2);
dataPtr[4].DataPointer = (ulong) chPtr5;
dataPtr[4].Size = (uint) ((value5.Length + 1) * 2);
dataPtr[5].DataPointer = (ulong) chPtr6;
dataPtr[5].Size = (uint) ((value6.Length + 1) * 2);
dataPtr[6].DataPointer = (ulong) chPtr7;
dataPtr[6].Size = (uint) ((value7.Length + 1) * 2);
flag = base.WriteEvent(ref eventDescriptor, 7, (IntPtr) numPtr);
}
}
}
}
}
}
}
str3 = null;
str4 = null;
str5 = null;
str6 = null;
str7 = null;
return flag;
}
protected override ICollection GetCompatibleMethods(EventDescriptor eventDescriptor)
{
return(_codeProvider.GetCompatibleMethods(eventDescriptor.EventType.GetMethod("Invoke").GetParameters()));
}
internal unsafe bool WriteEvent(ref EventDescriptor eventDescriptor, Guid value1, long value2, long value3, string value4, string value5, string value6, string value7, string value8, string value9)
{
bool flag = true;
value4 = value4 ?? string.Empty;
value5 = value5 ?? string.Empty;
value6 = value6 ?? string.Empty;
value7 = value7 ?? string.Empty;
value8 = value8 ?? string.Empty;
value9 = value9 ?? string.Empty;
fixed (char* str = ((char*) value4))
{
char* chPtr = str;
fixed (char* str2 = ((char*) value5))
{
char* chPtr2 = str2;
fixed (char* str3 = ((char*) value6))
{
char* chPtr3 = str3;
fixed (char* str4 = ((char*) value7))
{
char* chPtr4 = str4;
fixed (char* str5 = ((char*) value8))
{
char* chPtr5 = str5;
fixed (char* str6 = ((char*) value9))
{
char* chPtr6 = str6;
byte* numPtr = stackalloc byte[(IntPtr) (sizeof(System.Runtime.Interop.UnsafeNativeMethods.EventData) * 9)];
System.Runtime.Interop.UnsafeNativeMethods.EventData* dataPtr = (System.Runtime.Interop.UnsafeNativeMethods.EventData*) numPtr;
dataPtr->DataPointer = (ulong) ((IntPtr) &value1);
dataPtr->Size = (uint) sizeof(Guid);
dataPtr[1].DataPointer = (ulong) ((IntPtr) &value2);
dataPtr[1].Size = 8;
dataPtr[2].DataPointer = (ulong) ((IntPtr) &value3);
dataPtr[2].Size = 8;
dataPtr[3].DataPointer = (ulong) chPtr;
dataPtr[3].Size = (uint) ((value4.Length + 1) * 2);
dataPtr[4].DataPointer = (ulong) chPtr2;
dataPtr[4].Size = (uint) ((value5.Length + 1) * 2);
dataPtr[5].DataPointer = (ulong) chPtr3;
dataPtr[5].Size = (uint) ((value6.Length + 1) * 2);
dataPtr[6].DataPointer = (ulong) chPtr4;
dataPtr[6].Size = (uint) ((value7.Length + 1) * 2);
dataPtr[7].DataPointer = (ulong) chPtr5;
dataPtr[7].Size = (uint) ((value8.Length + 1) * 2);
dataPtr[8].DataPointer = (ulong) chPtr6;
dataPtr[8].Size = (uint) ((value9.Length + 1) * 2);
flag = base.WriteEvent(ref eventDescriptor, 9, (IntPtr) numPtr);
}
}
}
}
}
}
str3 = null;
str4 = null;
str5 = null;
str6 = null;
return flag;
}
protected override bool ShowCode(IComponent component, EventDescriptor e, string methodName)
{
return(this.ShowCode(0));
}
internal unsafe bool WriteEvent(ref EventDescriptor eventDescriptor, string value1, string value2, string value3, string value4, string value5, string value6, string value7, string value8, string value9, string value10, string value11, string value12)
{
bool flag = true;
value1 = value1 ?? string.Empty;
value2 = value2 ?? string.Empty;
value3 = value3 ?? string.Empty;
value4 = value4 ?? string.Empty;
value5 = value5 ?? string.Empty;
value6 = value6 ?? string.Empty;
value7 = value7 ?? string.Empty;
value8 = value8 ?? string.Empty;
value9 = value9 ?? string.Empty;
value10 = value10 ?? string.Empty;
value11 = value11 ?? string.Empty;
value12 = value12 ?? string.Empty;
fixed (char* str = ((char*) value1))
{
char* chPtr = str;
fixed (char* str2 = ((char*) value2))
{
char* chPtr2 = str2;
fixed (char* str3 = ((char*) value3))
{
char* chPtr3 = str3;
fixed (char* str4 = ((char*) value4))
{
char* chPtr4 = str4;
fixed (char* str5 = ((char*) value5))
{
char* chPtr5 = str5;
fixed (char* str6 = ((char*) value6))
{
char* chPtr6 = str6;
fixed (char* str7 = ((char*) value7))
{
char* chPtr7 = str7;
fixed (char* str8 = ((char*) value8))
{
char* chPtr8 = str8;
fixed (char* str9 = ((char*) value9))
{
char* chPtr9 = str9;
fixed (char* str10 = ((char*) value10))
{
char* chPtr10 = str10;
fixed (char* str11 = ((char*) value11))
{
char* chPtr11 = str11;
fixed (char* str12 = ((char*) value12))
{
char* chPtr12 = str12;
byte* numPtr = stackalloc byte[(IntPtr) (sizeof(System.Runtime.Interop.UnsafeNativeMethods.EventData) * 12)];
System.Runtime.Interop.UnsafeNativeMethods.EventData* dataPtr = (System.Runtime.Interop.UnsafeNativeMethods.EventData*) numPtr;
dataPtr->DataPointer = (ulong) chPtr;
dataPtr->Size = (uint) ((value1.Length + 1) * 2);
dataPtr[1].DataPointer = (ulong) chPtr2;
dataPtr[1].Size = (uint) ((value2.Length + 1) * 2);
dataPtr[2].DataPointer = (ulong) chPtr3;
dataPtr[2].Size = (uint) ((value3.Length + 1) * 2);
dataPtr[3].DataPointer = (ulong) chPtr4;
dataPtr[3].Size = (uint) ((value4.Length + 1) * 2);
dataPtr[4].DataPointer = (ulong) chPtr5;
dataPtr[4].Size = (uint) ((value5.Length + 1) * 2);
dataPtr[5].DataPointer = (ulong) chPtr6;
dataPtr[5].Size = (uint) ((value6.Length + 1) * 2);
dataPtr[6].DataPointer = (ulong) chPtr7;
dataPtr[6].Size = (uint) ((value7.Length + 1) * 2);
dataPtr[7].DataPointer = (ulong) chPtr8;
dataPtr[7].Size = (uint) ((value8.Length + 1) * 2);
dataPtr[8].DataPointer = (ulong) chPtr9;
dataPtr[8].Size = (uint) ((value9.Length + 1) * 2);
dataPtr[9].DataPointer = (ulong) chPtr10;
dataPtr[9].Size = (uint) ((value10.Length + 1) * 2);
dataPtr[10].DataPointer = (ulong) chPtr11;
dataPtr[10].Size = (uint) ((value11.Length + 1) * 2);
dataPtr[11].DataPointer = (ulong) chPtr12;
dataPtr[11].Size = (uint) ((value12.Length + 1) * 2);
flag = base.WriteEvent(ref eventDescriptor, 12, (IntPtr) numPtr);
}
}
}
}
}
}
}
}
}
}
}
}
str3 = null;
str4 = null;
str5 = null;
str6 = null;
str7 = null;
str8 = null;
str9 = null;
str10 = null;
str11 = null;
str12 = null;
return flag;
}
internal static extern int TdhAggregatePayloadFilters(
int PayloadFilterCount,
void *PayloadFilterPtrs,
ref bool EventMatchAllFlags,
ref EventDescriptor EventFilterDescriptor
);
public bool WriteEvent(ref EventDescriptor eventDescriptor, string data)
{
uint status = 0;
if (data == null)
{
throw new ArgumentNullException("dataString");
}
if (IsEnabled(eventDescriptor.Level, eventDescriptor.Keywords))
{
if (data.Length > s_traceEventMaximumStringSize)
{
t_returnCode = WriteEventErrorCode.EventTooBig;
return false;
}
EventData userData;
userData.Size = (uint)((data.Length +1)* 2);
userData.Reserved = 0;
unsafe
{
fixed (char* pdata = data)
{
Guid activityId = GetActivityId();
userData.DataPointer = (ulong)pdata;
if (s_preWin7)
{
status = UnsafeNativeMethods.EventWrite(m_regHandle,
ref eventDescriptor,
1,
&userData);
}
else
{
status = UnsafeNativeMethods.EventWriteTransfer(m_regHandle,
ref eventDescriptor,
(activityId == Guid.Empty) ? null : &activityId,
null,
1,
&userData);
}
}
}
}
if (status != 0)
{
SetLastError((int)status);
return false;
}
return true;
}
internal XomlEventConverter(EventDescriptor evt)
{
this.evt = evt;
}
protected bool WriteTransferEvent(ref EventDescriptor eventDescriptor, Guid relatedActivityId, int dataCount, IntPtr data)
{
uint status = 0;
Guid activityId = GetActivityId();
unsafe
{
status = UnsafeNativeMethods.EventWriteTransfer(
m_regHandle,
ref eventDescriptor,
(activityId == Guid.Empty) ? null : &activityId,
&relatedActivityId,
(uint)dataCount,
(void*)data);
}
if (status != 0)
{
SetLastError((int)status);
return false;
}
return true;
}
public string CreateUniqueMethodName(IComponent component, EventDescriptor e)
{
return(e.DisplayName);
}
internal unsafe protected bool WriteEvent(ref EventDescriptor eventDescriptor, Guid* activityID, Guid* childActivityID, int dataCount, IntPtr data)
{
if (childActivityID != null)
{
// activity transfers are supported only for events that specify the Send or Receive opcode
Contract.Assert((EventOpcode)eventDescriptor.Opcode == EventOpcode.Send ||
(EventOpcode)eventDescriptor.Opcode == EventOpcode.Receive ||
(EventOpcode)eventDescriptor.Opcode == EventOpcode.Start ||
(EventOpcode)eventDescriptor.Opcode == EventOpcode.Stop);
}
int status = UnsafeNativeMethods.ManifestEtw.EventWriteTransferWrapper(m_regHandle, ref eventDescriptor, activityID, childActivityID, dataCount, (EventData*)data);
if (status != 0)
{
SetLastError(status);
return false;
}
return true;
}
public ICollection GetCompatibleMethods(EventDescriptor e)
{
return(new ArrayList());
}
internal unsafe bool WriteEvent(ref EventDescriptor eventDescriptor, Guid* activityID, Guid* childActivityID, params object[] eventPayload)
{
int status = 0;
if (IsEnabled(eventDescriptor.Level, eventDescriptor.Keywords))
{
int argCount = 0;
unsafe
{
argCount = eventPayload.Length;
if (argCount > s_etwMaxNumberArguments)
{
s_returnCode = WriteEventErrorCode.TooManyArgs;
return false;
}
uint totalEventSize = 0;
int index;
int refObjIndex = 0;
List<int> refObjPosition = new List<int>(s_etwAPIMaxRefObjCount);
List<object> dataRefObj = new List<object>(s_etwAPIMaxRefObjCount);
EventData* userData = stackalloc EventData[2 * argCount];
EventData* userDataPtr = (EventData*)userData;
byte* dataBuffer = stackalloc byte[s_basicTypeAllocationBufferSize * 2 * argCount]; // Assume 16 chars for non-string argument
byte* currentBuffer = dataBuffer;
//
// The loop below goes through all the arguments and fills in the data
// descriptors. For strings save the location in the dataString array.
// Calculates the total size of the event by adding the data descriptor
// size value set in EncodeObject method.
//
bool hasNonStringRefArgs = false;
for (index = 0; index < eventPayload.Length; index++)
{
if (eventPayload[index] != null)
{
object supportedRefObj;
supportedRefObj = EncodeObject(ref eventPayload[index], ref userDataPtr, ref currentBuffer, ref totalEventSize);
if (supportedRefObj != null)
{
// EncodeObject advanced userDataPtr to the next empty slot
int idx = (int)(userDataPtr - userData - 1);
if (!(supportedRefObj is string))
{
if (eventPayload.Length + idx + 1 - index > s_etwMaxNumberArguments)
{
s_returnCode = WriteEventErrorCode.TooManyArgs;
return false;
}
hasNonStringRefArgs = true;
}
dataRefObj.Add(supportedRefObj);
refObjPosition.Add(idx);
refObjIndex++;
}
}
else
{
s_returnCode = WriteEventErrorCode.NullInput;
return false;
}
}
// update argCount based on actual number of arguments written to 'userData'
argCount = (int)(userDataPtr - userData);
if (totalEventSize > s_traceEventMaximumSize)
{
s_returnCode = WriteEventErrorCode.EventTooBig;
return false;
}
// the optimized path (using "fixed" instead of allocating pinned GCHandles
if (!hasNonStringRefArgs && (refObjIndex < s_etwAPIMaxRefObjCount))
{
// Fast path: at most 8 string arguments
// ensure we have at least s_etwAPIMaxStringCount in dataString, so that
// the "fixed" statement below works
while (refObjIndex < s_etwAPIMaxRefObjCount)
{
dataRefObj.Add(null);
++refObjIndex;
}
//
// now fix any string arguments and set the pointer on the data descriptor
//
fixed (char* v0 = (string)dataRefObj[0], v1 = (string)dataRefObj[1], v2 = (string)dataRefObj[2], v3 = (string)dataRefObj[3],
v4 = (string)dataRefObj[4], v5 = (string)dataRefObj[5], v6 = (string)dataRefObj[6], v7 = (string)dataRefObj[7])
{
userDataPtr = (EventData*)userData;
if (dataRefObj[0] != null)
{
userDataPtr[refObjPosition[0]].Ptr = (ulong)v0;
}
if (dataRefObj[1] != null)
{
userDataPtr[refObjPosition[1]].Ptr = (ulong)v1;
}
if (dataRefObj[2] != null)
{
userDataPtr[refObjPosition[2]].Ptr = (ulong)v2;
}
if (dataRefObj[3] != null)
{
userDataPtr[refObjPosition[3]].Ptr = (ulong)v3;
}
if (dataRefObj[4] != null)
{
userDataPtr[refObjPosition[4]].Ptr = (ulong)v4;
}
if (dataRefObj[5] != null)
{
userDataPtr[refObjPosition[5]].Ptr = (ulong)v5;
}
if (dataRefObj[6] != null)
{
userDataPtr[refObjPosition[6]].Ptr = (ulong)v6;
}
if (dataRefObj[7] != null)
{
userDataPtr[refObjPosition[7]].Ptr = (ulong)v7;
}
status = UnsafeNativeMethods.ManifestEtw.EventWriteTransferWrapper(m_regHandle, ref eventDescriptor, activityID, childActivityID, argCount, userData);
}
}
else
{
// Slow path: use pinned handles
userDataPtr = (EventData*)userData;
GCHandle[] rgGCHandle = new GCHandle[refObjIndex];
for (int i = 0; i < refObjIndex; ++i)
{
// below we still use "fixed" to avoid taking dependency on the offset of the first field
// in the object (the way we would need to if we used GCHandle.AddrOfPinnedObject)
rgGCHandle[i] = GCHandle.Alloc(dataRefObj[i], GCHandleType.Pinned);
if (dataRefObj[i] is string)
{
fixed (char* p = (string)dataRefObj[i])
userDataPtr[refObjPosition[i]].Ptr = (ulong)p;
}
else
{
fixed (byte* p = (byte[])dataRefObj[i])
userDataPtr[refObjPosition[i]].Ptr = (ulong)p;
}
}
status = UnsafeNativeMethods.ManifestEtw.EventWriteTransferWrapper(m_regHandle, ref eventDescriptor, activityID, childActivityID, argCount, userData);
for (int i = 0; i < refObjIndex; ++i)
{
rgGCHandle[i].Free();
}
}
}
}
if (status != 0)
{
SetLastError((int)status);
return false;
}
return true;
}
public PropertyDescriptor GetEventProperty(EventDescriptor e)
{
return(new EventPropertyDescriptor(e, this, this.serviceProvider));
}
public static void UpdateEventDefinitions(EventDescriptor[] eventDescriptors)
{
FxTrace.eventDescriptors = eventDescriptors;
UpdateEnabledEventsList();
}
public bool ShowCode(IComponent component, EventDescriptor e)
{
return(false);
}
