public unsafe bool WriteEvent(ref EventDescriptor eventDescriptor, string data)
{
UnsafeNativeMethods.EventData length = new UnsafeNativeMethods.EventData();
uint num = 0;
data = data ?? string.Empty;
if (this.IsEnabled(eventDescriptor.Level, eventDescriptor.Keywords))
{
if (data.Length > 32724)
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.EventTooBig;
return(false);
}
Guid activityId = DiagnosticsEventProvider.GetActivityId();
DiagnosticsEventProvider.SetActivityId(ref activityId);
length.Size = (uint)((data.Length + 1) * 2);
length.Reserved = 0;
fixed(string str = data)
{
string *offsetToStringData = &str;
if (offsetToStringData != null)
{
offsetToStringData = offsetToStringData + RuntimeHelpers.OffsetToStringData;
}
length.DataPointer = (ulong)((char *)offsetToStringData);
num = UnsafeNativeMethods.EventWrite(this.traceRegistrationHandle, ref eventDescriptor, 1, ref length);
}
}
if (num == 0)
{
return(true);
}
DiagnosticsEventProvider.SetLastError((int)num);
return(false);
}
public unsafe bool WriteEvent(ref EventDescriptor eventDescriptor, params object[] eventPayload)
{
UnsafeNativeMethods.EventData eventDatum = new UnsafeNativeMethods.EventData();
uint num = 0;
if (this.IsEnabled(eventDescriptor.Level, eventDescriptor.Keywords))
{
int length = 0;
Guid activityId = DiagnosticsEventProvider.GetActivityId();
DiagnosticsEventProvider.SetActivityId(ref activityId);
if (eventPayload == null || (int)eventPayload.Length == 0 || (int)eventPayload.Length == 1)
{
string str = null;
byte * numPointer = stackalloc byte[16];
eventDatum.Size = 0;
if (eventPayload != null && (int)eventPayload.Length != 0)
{
str = DiagnosticsEventProvider.EncodeObject(ref eventPayload[0], ref eventDatum, numPointer);
length = 1;
}
if (eventDatum.Size > 65482)
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.EventTooBig;
return(false);
}
if (str == null)
{
num = (length != 0 ? UnsafeNativeMethods.EventWrite(this.traceRegistrationHandle, ref eventDescriptor, (uint)length, ref eventDatum) : UnsafeNativeMethods.EventWrite(this.traceRegistrationHandle, ref eventDescriptor, 0, 0));
}
else
{
fixed(string str1 = str)
{
string *offsetToStringData = &str1;
if (offsetToStringData != null)
{
offsetToStringData = offsetToStringData + RuntimeHelpers.OffsetToStringData;
}
eventDatum.DataPointer = (ulong)((char *)offsetToStringData);
num = UnsafeNativeMethods.EventWrite(this.traceRegistrationHandle, ref eventDescriptor, (uint)length, ref eventDatum);
}
}
}
else
{
length = (int)eventPayload.Length;
if (length > 32)
{
throw Fx.Exception.AsError(new ArgumentOutOfRangeException("eventPayload", SRCore.EtwMaxNumberArgumentsExceeded(32)), null);
}
uint size = 0;
int num1 = 0;
int[] numArray = new int[8];
string[] strArrays = new string[8];
UnsafeNativeMethods.EventData *eventDataPointer = stackalloc UnsafeNativeMethods.EventData[checked (length * sizeof(UnsafeNativeMethods.EventData))];
UnsafeNativeMethods.EventData *eventDataPointer1 = eventDataPointer;
byte *numPointer1 = stackalloc byte[16 * length];
for (int i = 0; i < (int)eventPayload.Length; i++)
{
if (eventPayload[i] != null)
{
string str2 = DiagnosticsEventProvider.EncodeObject(ref eventPayload[i], eventDataPointer1, numPointer1);
numPointer1 = numPointer1 + 16;
size = size + (*eventDataPointer1).Size;
eventDataPointer1 = eventDataPointer1 + sizeof(UnsafeNativeMethods.EventData);
if (str2 != null)
{
if (num1 >= 8)
{
throw Fx.Exception.AsError(new ArgumentOutOfRangeException("eventPayload", SRCore.EtwAPIMaxStringCountExceeded(8)), null);
}
strArrays[num1] = str2;
numArray[num1] = i;
num1++;
}
}
}
if (size > 65482)
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.EventTooBig;
return(false);
}
fixed(string str3 = strArrays[0])
{
string *strPointers = &str3;
if (strPointers != null)
{
strPointers = strPointers + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer = (char *)strPointers;
fixed(string str4 = strArrays[1])
{
string *offsetToStringData1 = &str4;
if (offsetToStringData1 != null)
{
offsetToStringData1 = offsetToStringData1 + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer1 = (char *)offsetToStringData1;
fixed(string str5 = strArrays[2])
{
string *strPointers1 = &str5;
if (strPointers1 != null)
{
strPointers1 = strPointers1 + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer2 = (char *)strPointers1;
fixed(string str6 = strArrays[3])
{
string *offsetToStringData2 = &str6;
if (offsetToStringData2 != null)
{
offsetToStringData2 = offsetToStringData2 + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer3 = (char *)offsetToStringData2;
fixed(string str7 = strArrays[4])
{
string *strPointers2 = &str7;
if (strPointers2 != null)
{
strPointers2 = strPointers2 + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer4 = (char *)strPointers2;
fixed(string str8 = strArrays[5])
{
string *offsetToStringData3 = &str8;
if (offsetToStringData3 != null)
{
offsetToStringData3 = offsetToStringData3 + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer5 = (char *)offsetToStringData3;
fixed(string str9 = strArrays[6])
{
string *strPointers3 = &str9;
if (strPointers3 != null)
{
strPointers3 = strPointers3 + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer6 = (char *)strPointers3;
fixed(string str10 = strArrays[7])
{
string *offsetToStringData4 = &str10;
if (offsetToStringData4 != null)
{
offsetToStringData4 = offsetToStringData4 + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer7 = (char *)offsetToStringData4;
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.EventWrite(this.traceRegistrationHandle, ref eventDescriptor, (uint)length, eventDataPointer);
}
}
}
}
}
}
}
}
str4 = null;
str5 = null;
str6 = null;
str7 = null;
str8 = null;
str9 = null;
str10 = null;
}
}
if (num == 0)
{
return(true);
}
DiagnosticsEventProvider.SetLastError((int)num);
return(false);
}
