private static unsafe string EncodeObject(ref object data, System.Runtime.Interop.UnsafeNativeMethods.EventData *dataDescriptor, byte *dataBuffer)
{
dataDescriptor.Reserved = 0;
string str = data as string;
if (str != null)
{
dataDescriptor.Size = (uint)((str.Length + 1) * 2);
return(str);
}
if (data is IntPtr)
{
dataDescriptor.Size = (uint)sizeof(IntPtr);
IntPtr *ptrPtr = (IntPtr *)dataBuffer;
ptrPtr[0] = (IntPtr)data;
dataDescriptor.DataPointer = (ulong)ptrPtr;
}
else if (data is int)
{
dataDescriptor.Size = 4;
int *numPtr = (int *)dataBuffer;
numPtr[0] = (int)data;
dataDescriptor.DataPointer = (ulong)numPtr;
}
else if (data is long)
{
dataDescriptor.Size = 8;
long *numPtr2 = (long *)dataBuffer;
numPtr2[0] = (long)data;
dataDescriptor.DataPointer = (ulong)numPtr2;
}
else if (data is uint)
{
dataDescriptor.Size = 4;
uint *numPtr3 = (uint *)dataBuffer;
numPtr3[0] = (uint)data;
dataDescriptor.DataPointer = (ulong)numPtr3;
}
else if (data is ulong)
{
dataDescriptor.Size = 8;
ulong *numPtr4 = (ulong *)dataBuffer;
numPtr4[0] = (ulong)data;
dataDescriptor.DataPointer = (ulong)numPtr4;
}
else if (data is char)
{
dataDescriptor.Size = 2;
char *chPtr = (char *)dataBuffer;
chPtr[0] = (char)data;
dataDescriptor.DataPointer = (ulong)chPtr;
}
else if (data is byte)
{
dataDescriptor.Size = 1;
byte *numPtr5 = dataBuffer;
numPtr5[0] = (byte)data;
dataDescriptor.DataPointer = (ulong)numPtr5;
}
else if (data is short)
{
dataDescriptor.Size = 2;
short *numPtr6 = (short *)dataBuffer;
numPtr6[0] = (short)data;
dataDescriptor.DataPointer = (ulong)numPtr6;
}
else if (data is sbyte)
{
dataDescriptor.Size = 1;
sbyte *numPtr7 = (sbyte *)dataBuffer;
numPtr7[0] = (sbyte)data;
dataDescriptor.DataPointer = (ulong)numPtr7;
}
else if (data is ushort)
{
dataDescriptor.Size = 2;
ushort *numPtr8 = (ushort *)dataBuffer;
numPtr8[0] = (ushort)data;
dataDescriptor.DataPointer = (ulong)numPtr8;
}
else if (data is float)
{
dataDescriptor.Size = 4;
float *numPtr9 = (float *)dataBuffer;
numPtr9[0] = (float)data;
dataDescriptor.DataPointer = (ulong)numPtr9;
}
else if (data is double)
{
dataDescriptor.Size = 8;
double *numPtr10 = (double *)dataBuffer;
numPtr10[0] = (double)data;
dataDescriptor.DataPointer = (ulong)numPtr10;
}
else if (data is bool)
{
dataDescriptor.Size = 1;
bool *flagPtr = (bool *)dataBuffer;
*((sbyte *)flagPtr) = (bool)data;
dataDescriptor.DataPointer = (ulong)flagPtr;
}
else if (data is Guid)
{
dataDescriptor.Size = (uint)sizeof(Guid);
Guid *guidPtr = (Guid *)dataBuffer;
guidPtr[0] = (Guid)data;
dataDescriptor.DataPointer = (ulong)guidPtr;
}
else if (data is decimal)
{
dataDescriptor.Size = 0x10;
decimal *numPtr11 = (decimal *)dataBuffer;
numPtr11[0] = (decimal)data;
dataDescriptor.DataPointer = (ulong)numPtr11;
}
else if (data is bool)
{
dataDescriptor.Size = 1;
bool *flagPtr2 = (bool *)dataBuffer;
*((sbyte *)flagPtr2) = (bool)data;
dataDescriptor.DataPointer = (ulong)flagPtr2;
}
else
{
str = data.ToString();
dataDescriptor.Size = (uint)((str.Length + 1) * 2);
return(str);
}
return(null);
}
public unsafe bool WriteTransferEvent(ref EventDescriptor eventDescriptor, Guid relatedActivityId, params object[] eventPayload)
{
uint num = 0;
if (this.IsEnabled(eventDescriptor.Level, eventDescriptor.Keywords))
{
Guid activityId = GetActivityId();
if ((eventPayload != null) && (eventPayload.Length != 0))
{
int length = eventPayload.Length;
if (length > 0x20)
{
throw Fx.Exception.AsError(new ArgumentOutOfRangeException("eventPayload", SRCore.EtwMaxNumberArgumentsExceeded(0x20)));
}
uint num3 = 0;
int index = 0;
int[] numArray = new int[8];
string[] strArray = new string[8];
System.Runtime.Interop.UnsafeNativeMethods.EventData *userData = (System.Runtime.Interop.UnsafeNativeMethods.EventData *) stackalloc byte[(((IntPtr)length) * sizeof(System.Runtime.Interop.UnsafeNativeMethods.EventData))];
System.Runtime.Interop.UnsafeNativeMethods.EventData *dataDescriptor = userData;
byte *dataBuffer = stackalloc byte[(IntPtr)(0x10 * length)];
for (int i = 0; i < eventPayload.Length; i++)
{
if (eventPayload[i] != null)
{
string str = EncodeObject(ref eventPayload[i], dataDescriptor, dataBuffer);
dataBuffer += 0x10;
num3 += dataDescriptor->Size;
dataDescriptor++;
if (str != null)
{
if (index >= 8)
{
throw Fx.Exception.AsError(new ArgumentOutOfRangeException("eventPayload", SRCore.EtwAPIMaxStringCountExceeded(8)));
}
strArray[index] = str;
numArray[index] = i;
index++;
}
}
}
if (num3 > 0xffca)
{
errorCode = WriteEventErrorCode.EventTooBig;
return(false);
}
fixed(char *str2 = ((char *)strArray[0]))
{
char *chPtr = str2;
fixed(char *str3 = ((char *)strArray[1]))
{
char *chPtr2 = str3;
fixed(char *str4 = ((char *)strArray[2]))
{
char *chPtr3 = str4;
fixed(char *str5 = ((char *)strArray[3]))
{
char *chPtr4 = str5;
fixed(char *str6 = ((char *)strArray[4]))
{
char *chPtr5 = str6;
fixed(char *str7 = ((char *)strArray[5]))
{
char *chPtr6 = str7;
fixed(char *str8 = ((char *)strArray[6]))
{
char *chPtr7 = str8;
fixed(char *str9 = ((char *)strArray[7]))
{
char *chPtr8 = str9;
dataDescriptor = userData;
if (strArray[0] != null)
{
dataDescriptor[numArray[0]].DataPointer = (ulong)chPtr;
}
if (strArray[1] != null)
{
dataDescriptor[numArray[1]].DataPointer = (ulong)chPtr2;
}
if (strArray[2] != null)
{
dataDescriptor[numArray[2]].DataPointer = (ulong)chPtr3;
}
if (strArray[3] != null)
{
dataDescriptor[numArray[3]].DataPointer = (ulong)chPtr4;
}
if (strArray[4] != null)
{
dataDescriptor[numArray[4]].DataPointer = (ulong)chPtr5;
}
if (strArray[5] != null)
{
dataDescriptor[numArray[5]].DataPointer = (ulong)chPtr6;
}
if (strArray[6] != null)
{
dataDescriptor[numArray[6]].DataPointer = (ulong)chPtr7;
}
if (strArray[7] != null)
{
dataDescriptor[numArray[7]].DataPointer = (ulong)chPtr8;
}
num = System.Runtime.Interop.UnsafeNativeMethods.EventWriteTransfer(this.traceRegistrationHandle, ref eventDescriptor, ref activityId, ref relatedActivityId, (uint)length, userData);
}
}
}
}
}
}
}
}
str4 = null;
str5 = null;
str6 = null;
str7 = null;
str8 = null;
str9 = null;
}
else
{
num = System.Runtime.Interop.UnsafeNativeMethods.EventWriteTransfer(this.traceRegistrationHandle, ref eventDescriptor, ref activityId, ref relatedActivityId, 0, null);
}
}
if (num != 0)
{
SetLastError((int)num);
return(false);
}
return(true);
}