public override bool RegisterEnumValue(UIntPtr eventHandle,
string valueName,
UInt64 value,
byte flagChar)
{
UIntPtr field = RegisterValueDescriptorInternal(eventHandle,
valueName,
value,
flagChar);
while (field == 0)
{
Lock.AcquireMutex();
if (!TypesRepository.AddBuffer(BUFFER_EXPANSION_SIZE))
{
Lock.ReleaseMutex();
return(false);
}
Lock.ReleaseMutex();
field = RegisterValueDescriptorInternal(eventHandle,
valueName,
value,
flagChar);
}
return(true);
}
public unsafe bool ReadActiveSourceItem(UIntPtr sourceHandle,
int item,
UIntPtr *type,
byte *buffer,
UInt16 bufferSize)
{
Lock.AcquireMutex();
object source = SourcesHandleTable[sourceHandle];
if (source != null)
{
ActiveSource activeSource = source as ActiveSource;
if (activeSource != null)
{
bool success = activeSource.GetActiveEntry(item, type, buffer, bufferSize);
Lock.ReleaseMutex();
return(success);
}
}
Lock.ReleaseMutex();
return(false);
}
//
// Enumeration registration support
//
public override bool RegisterEnum(string enumName,
UInt16 type,
ref UIntPtr eventHandle)
{
Lock.AcquireMutex();
object o = EventTable[enumName];
if (o != null)
{
// Type already registered. Return the existing value
eventHandle = (UIntPtr)o;
Lock.ReleaseMutex();
return(false);
}
eventHandle = RegisterEnumDescriptorInternal(enumName, type);
while (eventHandle == 0)
{
if (!TypesRepository.AddBuffer(BUFFER_EXPANSION_SIZE))
{
Lock.ReleaseMutex();
return(false);
}
eventHandle = RegisterEnumDescriptorInternal(enumName, type);
}
EventTable[enumName] = eventHandle;
Lock.ReleaseMutex();
return(true);
}
public override bool RegisterEventGenericField(UIntPtr eventHandle,
string fieldName,
UInt16 offset,
UInt16 size,
UIntPtr fieldTypeHandle)
{
UIntPtr field = RegisterEventGenericFieldInternal(eventHandle,
fieldName,
offset,
size,
fieldTypeHandle);
while (field == 0)
{
Lock.AcquireMutex();
if (!TypesRepository.AddBuffer(BUFFER_EXPANSION_SIZE))
{
Lock.ReleaseMutex();
return(false);
}
Lock.ReleaseMutex();
field = RegisterEventGenericFieldInternal(eventHandle,
fieldName,
offset,
size,
fieldTypeHandle);
}
return(true);
}
// Storage registration routines
public bool RegisterStorage(EventingStorage Storage)
{
Lock.AcquireMutex();
bool success = RegisterStorageImpl(Storage.GetHandle());
Lock.ReleaseMutex();
return(success);
}
public void UnRegisterStorage(EventingStorage Storage)
{
if (!Controller.Finalized)
{
Lock.AcquireMutex();
UnRegisterStorageImpl(Storage.GetHandle());
Lock.ReleaseMutex();
}
}
public override void UnRegisterController(int processId)
{
Lock.AcquireMutex();
ProcessContext ctx = ProcessContext.GetProcessContext(processId);
if (ctx != null)
{
ctx.Delete();
}
Lock.ReleaseMutex();
}
public bool RegisterControllerImpl(UIntPtr controllerHandle, UIntPtr context)
{
ProcessContext ctx = new ProcessContext();
if (ctx == null)
{
return(false);
}
Lock.AcquireMutex();
bool success = ctx.Initialize(controllerHandle, context);
Lock.ReleaseMutex();
return(success);
}
public override void UnRegisterSource(EventSource source)
{
if (!Controller.Finalized)
{
Lock.AcquireMutex();
if (source.SourceHandle != 0)
{
SourcesHandleTable.Remove(source.SourceHandle);
UnRegisterSourceImpl(source.SourceHandle);
source.SourceHandle = 0;
}
Lock.ReleaseMutex();
}
}
public override int QueryEventTypeList(UIntPtr [] buffer, int size)
{
int i = 0;
Lock.AcquireMutex();
IDictionaryEnumerator enumerator = EventTable.GetEnumerator();
while (enumerator.MoveNext())
{
if (i < size)
{
UIntPtr eventHandle = (UIntPtr)enumerator.Value;
buffer[i++] = eventHandle;
}
}
Lock.ReleaseMutex();
return(i);
}
public override int QuerySourcesList(UIntPtr [] buffer, int size)
{
int i = 0;
Lock.AcquireMutex();
IDictionaryEnumerator enumerator = SourcesHandleTable.GetEnumerator();
while (enumerator.MoveNext())
{
if (i < size)
{
EventSource source = enumerator.Value as EventSource;
buffer[i++] = source.SourceHandle;
}
}
Lock.ReleaseMutex();
return(i);
}
public override bool GetSourceInformation(UIntPtr sourceHandle,
ref UIntPtr storageHandle,
ref UIntPtr eventType,
ref UInt16 count,
ref string bufferName)
{
Lock.AcquireMutex();
EventSource source = SourcesHandleTable[sourceHandle] as EventSource;
if (source != null)
{
bufferName = source.SourceName;
ActiveSource activeSource = source as ActiveSource;
if (activeSource != null)
{
storageHandle = 0;
eventType = activeSource.EventTypeHandle;
count = activeSource.Count;
}
else
{
storageHandle = source.Storage.GetHandle();
eventType = 0;
count = 0;
}
Lock.ReleaseMutex();
return(true);
}
Lock.ReleaseMutex();
return(false);
}
// Eventing source support routines
public override bool RegisterSource(EventSource source)
{
// Sanity check against double registration
if (source.SourceHandle != 0)
{
return(false);
}
UIntPtr sourceHandle = 0;
Lock.AcquireMutex();
object obj = SourcesLookupTable[source.SourceName];
if (obj != null)
{
sourceHandle = (UIntPtr)obj;
}
if (sourceHandle != 0)
{
object existingSource = SourcesHandleTable[sourceHandle];
if (existingSource != null)
{
// Type already registered. Return the existing value
Lock.ReleaseMutex();
return(false);
}
}
else
{
// The handle for this source has not been allocated
// Register a new one
sourceHandle = AllocateSourceHandleImpl(source.SourceName);
while (sourceHandle == 0)
{
if (!TypesRepository.AddBuffer(BUFFER_EXPANSION_SIZE))
{
Lock.ReleaseMutex();
return(false);
}
sourceHandle = AllocateSourceHandleImpl(source.SourceName);
}
SourcesLookupTable[source.SourceName] = sourceHandle;
}
// We must have here a valid source handle
source.SourceHandle = sourceHandle;
SourcesHandleTable[sourceHandle] = source;
ActiveSource activeSource = source as ActiveSource;
if (activeSource == null)
{
// regular sources with associated memory storage
RegisterSourceStorageImpl(sourceHandle,
source.Storage.GetHandle(),
source.ControlFlags);
}
else
{
RegisterActiveSourceImpl(sourceHandle,
activeSource.EventTypeHandle,
activeSource.DebugBufferAddress,
activeSource.Count,
activeSource.EntrySize);
// Active sources, the object does the event buffer management
}
Lock.ReleaseMutex();
return(true);
}
