public bool WriteTransferEvent(ref EventDescriptor eventDescriptor, EventTraceActivity eventTraceActivity, Guid relatedActivityId, params object[] eventPayload)
{
// ActivityId is required when writing transfer event
if (eventTraceActivity == null)
{
Fx.Assert(false, "eventTraceActivity should not be null for WriteTransferEvent");
eventTraceActivity = EventTraceActivity.Empty;
}
uint status = 0;
if (IsEnabled(eventDescriptor.Level, eventDescriptor.Keywords))
{
unsafe
{
if ((eventPayload != null) && (eventPayload.Length != 0))
{
int argCount = eventPayload.Length;
if (argCount > etwMaxNumberArguments)
{
//
//too many arguments to log
//
throw Fx.Exception.AsError(new ArgumentOutOfRangeException("eventPayload",
InternalSR.EtwMaxNumberArgumentsExceeded(etwMaxNumberArguments)));
}
uint totalEventSize = 0;
int index;
int stringIndex = 0;
int[] stringPosition = new int[etwAPIMaxStringCount]; //used to keep the position of strings in the eventPayload parameter
string[] dataString = new string[etwAPIMaxStringCount]; // string arrays from the eventPayload parameter
UnsafeNativeMethods.EventData *userData = stackalloc UnsafeNativeMethods.EventData[argCount]; // allocation for the data descriptors
UnsafeNativeMethods.EventData *userDataPtr = (UnsafeNativeMethods.EventData *)userData;
byte *dataBuffer = stackalloc byte[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++)
{
if (eventPayload[index] != null)
{
string isString;
isString = EncodeObject(ref eventPayload[index], userDataPtr, currentBuffer);
currentBuffer += basicTypeAllocationBufferSize;
totalEventSize += userDataPtr->Size;
userDataPtr++;
if (isString != null)
{
if (stringIndex < etwAPIMaxStringCount)
{
dataString[stringIndex] = isString;
stringPosition[stringIndex] = index;
stringIndex++;
}
else
{
throw Fx.Exception.AsError(new ArgumentOutOfRangeException("eventPayload",
InternalSR.EtwAPIMaxStringCountExceeded(etwAPIMaxStringCount)));
}
}
}
}
if (totalEventSize > traceEventMaximumSize)
{
errorCode = 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 = (UnsafeNativeMethods.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;
}
status = UnsafeNativeMethods.EventWriteTransfer(this.traceRegistrationHandle, ref eventDescriptor, ref eventTraceActivity.ActivityId, ref relatedActivityId, (uint)argCount, userData);
}
}
else
{
status = UnsafeNativeMethods.EventWriteTransfer(this.traceRegistrationHandle, ref eventDescriptor, ref eventTraceActivity.ActivityId, ref relatedActivityId, 0, null);
}
}
}
if (status != 0)
{
SetLastError((int)status);
return(false);
}
return(true);
}
public unsafe bool WriteTransferEvent(ref EventDescriptor eventDescriptor, EventTraceActivity eventTraceActivity, Guid relatedActivityId, object[] eventPayload)
{
if (eventTraceActivity == null)
{
eventTraceActivity = EventTraceActivity.Empty;
}
uint num = 0;
if (this.IsEnabled(eventDescriptor.Level, eventDescriptor.Keywords))
{
if (eventPayload == null || (int)eventPayload.Length == 0)
{
num = UnsafeNativeMethods.EventWriteTransfer(this.traceRegistrationHandle, ref eventDescriptor, ref eventTraceActivity.ActivityId, ref relatedActivityId, 0, 0);
}
else
{
int length = (int)eventPayload.Length;
if (length <= 32)
{
uint size = 0;
int num1 = 0;
int[] numArray = new int[8];
string[] strArrays = new string[8];
UnsafeNativeMethods.EventData *eventDataPointer = (UnsafeNativeMethods.EventData *)length * sizeof(UnsafeNativeMethods.EventData);
UnsafeNativeMethods.EventData *eventDataPointer1 = eventDataPointer;
byte *numPointer = (byte *)16 * length;
byte *numPointer1 = numPointer;
for (int i = 0; i < (int)eventPayload.Length; i++)
{
if (eventPayload[i] != null)
{
string str = DiagnosticsEventProvider.EncodeObject(ref eventPayload[i], eventDataPointer1, numPointer1);
numPointer1 = numPointer1 + 16;
size = size + (*(eventDataPointer1)).Size;
eventDataPointer1 = (UnsafeNativeMethods.EventData *)(eventDataPointer1 + sizeof(UnsafeNativeMethods.EventData));
if (str != null)
{
if (num1 >= 8)
{
throw Fx.Exception.AsError(new ArgumentOutOfRangeException("eventPayload", InternalSR.EtwAPIMaxStringCountExceeded(8)));
}
else
{
strArrays[num1] = str;
numArray[num1] = i;
num1++;
}
}
}
}
if (size <= 0xffca)
{
fixed(string str1 = strArrays[0])
{
string *strPointers = &str1;
char * offsetToStringData = (char *)(&str1);
if (&str1 != null)
{
offsetToStringData = (char *)(strPointers + RuntimeHelpers.OffsetToStringData);
}
char *chrPointer = offsetToStringData;
fixed(string str2 = strArrays[1])
{
string *strPointers1 = &str2;
char * offsetToStringData1 = (char *)(&str2);
if (&str2 != null)
{
offsetToStringData1 = (char *)(strPointers1 + RuntimeHelpers.OffsetToStringData);
}
char *chrPointer1 = offsetToStringData1;
fixed(string str3 = strArrays[2])
{
string *strPointers2 = &str3;
char * offsetToStringData2 = (char *)(&str3);
if (&str3 != null)
{
offsetToStringData2 = (char *)(strPointers2 + RuntimeHelpers.OffsetToStringData);
}
char *chrPointer2 = offsetToStringData2;
fixed(string str4 = strArrays[3])
{
string *strPointers3 = &str4;
char * offsetToStringData3 = (char *)(&str4);
if (&str4 != null)
{
offsetToStringData3 = (char *)(strPointers3 + RuntimeHelpers.OffsetToStringData);
}
char *chrPointer3 = offsetToStringData3;
fixed(string str5 = strArrays[4])
{
string *strPointers4 = &str5;
char * offsetToStringData4 = (char *)(&str5);
if (&str5 != null)
{
offsetToStringData4 = (char *)(strPointers4 + RuntimeHelpers.OffsetToStringData);
}
char *chrPointer4 = offsetToStringData4;
fixed(string str6 = strArrays[5])
{
string *strPointers5 = &str6;
char * offsetToStringData5 = (char *)(&str6);
if (&str6 != null)
{
offsetToStringData5 = (char *)(strPointers5 + RuntimeHelpers.OffsetToStringData);
}
char *chrPointer5 = offsetToStringData5;
fixed(string str7 = strArrays[6])
{
string *strPointers6 = &str7;
char * offsetToStringData6 = (char *)(&str7);
if (&str7 != null)
{
offsetToStringData6 = (char *)(strPointers6 + RuntimeHelpers.OffsetToStringData);
}
char *chrPointer6 = offsetToStringData6;
fixed(string str8 = strArrays[7])
{
string *strPointers7 = &str8;
char * offsetToStringData7 = (char *)(&str8);
if (&str8 != null)
{
offsetToStringData7 = (char *)(strPointers7 + RuntimeHelpers.OffsetToStringData);
}
char *chrPointer7 = offsetToStringData7;
eventDataPointer1 = eventDataPointer;
if (strArrays[0] != null)
{
(eventDataPointer1 + numArray[0] * sizeof(UnsafeNativeMethods.EventData)).DataPointer = (ulong)chrPointer;
}
if (strArrays[1] != null)
{
(eventDataPointer1 + numArray[1] * sizeof(UnsafeNativeMethods.EventData)).DataPointer = (ulong)chrPointer1;
}
if (strArrays[2] != null)
{
(eventDataPointer1 + numArray[2] * sizeof(UnsafeNativeMethods.EventData)).DataPointer = (ulong)chrPointer2;
}
if (strArrays[3] != null)
{
(eventDataPointer1 + numArray[3] * sizeof(UnsafeNativeMethods.EventData)).DataPointer = (ulong)chrPointer3;
}
if (strArrays[4] != null)
{
(eventDataPointer1 + numArray[4] * sizeof(UnsafeNativeMethods.EventData)).DataPointer = (ulong)chrPointer4;
}
if (strArrays[5] != null)
{
(eventDataPointer1 + numArray[5] * sizeof(UnsafeNativeMethods.EventData)).DataPointer = (ulong)chrPointer5;
}
if (strArrays[6] != null)
{
(eventDataPointer1 + numArray[6] * sizeof(UnsafeNativeMethods.EventData)).DataPointer = (ulong)chrPointer6;
}
if (strArrays[7] != null)
{
(eventDataPointer1 + numArray[7] * sizeof(UnsafeNativeMethods.EventData)).DataPointer = (ulong)chrPointer7;
}
num = UnsafeNativeMethods.EventWriteTransfer(this.traceRegistrationHandle, ref eventDescriptor, ref eventTraceActivity.ActivityId, ref relatedActivityId, length, eventDataPointer);
}
}
}
}
}
}
}
}
}
else
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.EventTooBig;
return(false);
}
}
else
{
throw Fx.Exception.AsError(new ArgumentOutOfRangeException("eventPayload", InternalSR.EtwMaxNumberArgumentsExceeded(32)));
}
}
}
if (num == 0)
{
return(true);
}
else
{
DiagnosticsEventProvider.SetLastError(num);
return(false);
}
}
public bool WriteEvent(ref EventDescriptor eventDescriptor, EventTraceActivity eventTraceActivity, params object[] eventPayload)
{
uint status = 0;
if (IsEnabled(eventDescriptor.Level, eventDescriptor.Keywords))
{
int argCount = 0;
if (eventTraceActivity != null)
{
SetActivityId(ref eventTraceActivity.ActivityId);
}
unsafe
{
if ((eventPayload == null) ||
(eventPayload.Length == 0) ||
(eventPayload.Length == 1))
{
string dataString = null;
UnsafeNativeMethods.EventData userData;
byte *dataBuffer = stackalloc byte[basicTypeAllocationBufferSize]; // Assume a max of 16 chars for non-string argument
userData.Size = 0;
if ((eventPayload != null) && (eventPayload.Length != 0))
{
//
// Figure out the type and fill the data descriptor
//
dataString = EncodeObject(ref eventPayload[0], &userData, dataBuffer);
argCount = 1;
}
if (userData.Size > traceEventMaximumSize)
{
//
// Maximum size of the event payload plus header is 64k
//
errorCode = WriteEventErrorCode.EventTooBig;
return(false);
}
if (dataString != null)
{
fixed(char *pdata = dataString)
{
userData.DataPointer = (ulong)pdata;
status = UnsafeNativeMethods.EventWrite(this.traceRegistrationHandle, ref eventDescriptor, (uint)argCount, &userData);
}
}
else
{
if (argCount == 0)
{
status = UnsafeNativeMethods.EventWrite(this.traceRegistrationHandle, ref eventDescriptor, 0, null);
}
else
{
status = UnsafeNativeMethods.EventWrite(this.traceRegistrationHandle, ref eventDescriptor, (uint)argCount, &userData);
}
}
}
else
{
argCount = eventPayload.Length;
if (argCount > etwMaxNumberArguments)
{
//
//too many arguments to log
//
throw Fx.Exception.AsError(new ArgumentOutOfRangeException("eventPayload",
InternalSR.EtwMaxNumberArgumentsExceeded(etwMaxNumberArguments)));
}
uint totalEventSize = 0;
int index;
int stringIndex = 0;
int[] stringPosition = new int[etwAPIMaxStringCount];
string[] dataString = new string[etwAPIMaxStringCount];
UnsafeNativeMethods.EventData *userData = stackalloc UnsafeNativeMethods.EventData[argCount];
UnsafeNativeMethods.EventData *userDataPtr = (UnsafeNativeMethods.EventData *)userData;
byte *dataBuffer = stackalloc byte[basicTypeAllocationBufferSize * 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.
// 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++)
{
if (eventPayload[index] != null)
{
string isString;
isString = EncodeObject(ref eventPayload[index], userDataPtr, currentBuffer);
currentBuffer += basicTypeAllocationBufferSize;
totalEventSize += userDataPtr->Size;
userDataPtr++;
if (isString != null)
{
if (stringIndex < etwAPIMaxStringCount)
{
dataString[stringIndex] = isString;
stringPosition[stringIndex] = index;
stringIndex++;
}
else
{
throw Fx.Exception.AsError(new ArgumentOutOfRangeException("eventPayload",
InternalSR.EtwAPIMaxStringCountExceeded(etwAPIMaxStringCount)));
}
}
}
}
if (totalEventSize > traceEventMaximumSize)
{
errorCode = WriteEventErrorCode.EventTooBig;
return(false);
}
//
// now fix any string arguments and set the pointer on the data descriptor
//
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 = (UnsafeNativeMethods.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;
}
status = UnsafeNativeMethods.EventWrite(this.traceRegistrationHandle, ref eventDescriptor, (uint)argCount, userData);
}
}
}
}
if (status != 0)
{
SetLastError((int)status);
return(false);
}
return(true);
}
