public unsafe bool WriteEvent(ref EventDescriptor eventDescriptor, EventTraceActivity eventTraceActivity, string data)
{
uint num = 0;
string str = data;
string empty = str;
if (str == null)
{
empty = string.Empty;
}
data = empty;
if (this.IsEnabled(eventDescriptor.Level, eventDescriptor.Keywords))
{
if (data.Length <= 0x7fd4)
{
if (eventTraceActivity != null)
{
DiagnosticsEventProvider.SetActivityId(ref eventTraceActivity.ActivityId);
}
UnsafeNativeMethods.EventData length;
length.Size = (data.Length + 1) * 2;
length.Reserved = 0;
fixed(string str1 = data)
{
string *strPointers = &str1;
char * offsetToStringData = (char *)(&str1);
if (&str1 != null)
{
offsetToStringData = (char *)(strPointers + RuntimeHelpers.OffsetToStringData);
}
length.DataPointer = (ulong)offsetToStringData;
num = UnsafeNativeMethods.EventWrite(this.traceRegistrationHandle, ref eventDescriptor, 1, ref length);
}
}
else
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.EventTooBig;
return(false);
}
}
if (num == 0)
{
return(true);
}
else
{
DiagnosticsEventProvider.SetLastError(num);
return(false);
}
}
private static void SetLastError(int error)
{
int num = error;
if (num == 8)
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.NoFreeBuffers;
return;
}
if (num != 234 && num != 534)
{
return;
}
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.EventTooBig;
}
private static void SetLastError(int error)
{
int num = error;
if (num == 8)
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.NoFreeBuffers;
return;
}
else
{
if (num == 234 || num == 0x216)
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.EventTooBig;
return;
}
else
{
return;
}
}
}
public unsafe bool WriteMessageEvent(string eventMessage, byte eventLevel, long eventKeywords)
{
int num = 0;
if (eventMessage == null)
{
throw Fx.Exception.AsError(new ArgumentNullException("eventMessage"), null);
}
if (this.IsEnabled(eventLevel, eventKeywords))
{
if (eventMessage.Length > 32724)
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.EventTooBig;
return(false);
}
fixed(string str = eventMessage)
{
string *offsetToStringData = &str;
if (offsetToStringData != null)
{
offsetToStringData = offsetToStringData + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer = (char *)offsetToStringData;
num = (int)UnsafeNativeMethods.EventWriteString(this.traceRegistrationHandle, eventLevel, eventKeywords, chrPointer);
}
if (num != 0)
{
DiagnosticsEventProvider.SetLastError(num);
return(false);
}
}
return(true);
}
public unsafe bool WriteMessageEvent(EventTraceActivity eventTraceActivity, string eventMessage, byte eventLevel, long eventKeywords)
{
if (eventMessage != null)
{
if (eventTraceActivity != null)
{
DiagnosticsEventProvider.SetActivityId(ref eventTraceActivity.ActivityId);
}
if (this.IsEnabled(eventLevel, eventKeywords))
{
if (eventMessage.Length <= 0x7fd4)
{
fixed(string str = eventMessage)
{
string *strPointers = &str;
char * offsetToStringData = (char *)(&str);
if (&str != null)
{
offsetToStringData = (char *)(strPointers + RuntimeHelpers.OffsetToStringData);
}
int num = UnsafeNativeMethods.EventWriteString(this.traceRegistrationHandle, eventLevel, eventKeywords, offsetToStringData);
}
}
else
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.EventTooBig;
return(false);
}
}
return(true);
}
else
{
throw Fx.Exception.AsError(new ArgumentNullException("eventMessage"));
}
}
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 WriteTransferEvent(ref EventDescriptor eventDescriptor, Guid relatedActivityId, params object[] eventPayload)
{
uint num = 0;
if (this.IsEnabled(eventDescriptor.Level, eventDescriptor.Keywords))
{
Guid activityId = DiagnosticsEventProvider.GetActivityId();
if (eventPayload == null || (int)eventPayload.Length == 0)
{
num = UnsafeNativeMethods.EventWriteTransfer(this.traceRegistrationHandle, ref eventDescriptor, ref activityId, ref relatedActivityId, 0, 0);
}
else
{
int 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 *numPointer = stackalloc byte[16 * length];
for (int i = 0; i < (int)eventPayload.Length; i++)
{
if (eventPayload[i] != null)
{
string str = DiagnosticsEventProvider.EncodeObject(ref eventPayload[i], eventDataPointer1, numPointer);
numPointer = numPointer + 16;
size = size + (*eventDataPointer1).Size;
eventDataPointer1 = eventDataPointer1 + sizeof(UnsafeNativeMethods.EventData);
if (str != null)
{
if (num1 >= 8)
{
throw Fx.Exception.AsError(new ArgumentOutOfRangeException("eventPayload", SRCore.EtwAPIMaxStringCountExceeded(8)), null);
}
strArrays[num1] = str;
numArray[num1] = i;
num1++;
}
}
}
if (size > 65482)
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.EventTooBig;
return(false);
}
fixed(string str1 = strArrays[0])
{
string *offsetToStringData = &str1;
if (offsetToStringData != null)
{
offsetToStringData = offsetToStringData + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer = (char *)offsetToStringData;
fixed(string str2 = strArrays[1])
{
string *strPointers = &str2;
if (strPointers != null)
{
strPointers = strPointers + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer1 = (char *)strPointers;
fixed(string str3 = strArrays[2])
{
string *offsetToStringData1 = &str3;
if (offsetToStringData1 != null)
{
offsetToStringData1 = offsetToStringData1 + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer2 = (char *)offsetToStringData1;
fixed(string str4 = strArrays[3])
{
string *strPointers1 = &str4;
if (strPointers1 != null)
{
strPointers1 = strPointers1 + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer3 = (char *)strPointers1;
fixed(string str5 = strArrays[4])
{
string *offsetToStringData2 = &str5;
if (offsetToStringData2 != null)
{
offsetToStringData2 = offsetToStringData2 + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer4 = (char *)offsetToStringData2;
fixed(string str6 = strArrays[5])
{
string *strPointers2 = &str6;
if (strPointers2 != null)
{
strPointers2 = strPointers2 + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer5 = (char *)strPointers2;
fixed(string str7 = strArrays[6])
{
string *offsetToStringData3 = &str7;
if (offsetToStringData3 != null)
{
offsetToStringData3 = offsetToStringData3 + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer6 = (char *)offsetToStringData3;
fixed(string str8 = strArrays[7])
{
string *strPointers3 = &str8;
if (strPointers3 != null)
{
strPointers3 = strPointers3 + RuntimeHelpers.OffsetToStringData;
}
char *chrPointer7 = (char *)strPointers3;
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 activityId, ref relatedActivityId, (uint)length, eventDataPointer);
}
}
}
}
}
}
}
}
str2 = null;
str3 = null;
str4 = null;
str5 = null;
str6 = null;
str7 = null;
str8 = null;
}
}
if (num == 0)
{
return(true);
}
DiagnosticsEventProvider.SetLastError((int)num);
return(false);
}
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 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 unsafe bool WriteMessageEvent(EventTraceActivity eventTraceActivity, string eventMessage, byte eventLevel, long eventKeywords)
{
if (eventMessage != null)
{
if (eventTraceActivity != null)
{
DiagnosticsEventProvider.SetActivityId(ref eventTraceActivity.ActivityId);
}
if (this.IsEnabled(eventLevel, eventKeywords))
{
if (eventMessage.Length <= 0x7fd4)
{
fixed (string str = eventMessage)
{
string* strPointers = &str;
char* offsetToStringData = (char*)(&str);
if (&str != null)
{
offsetToStringData = (char*)(strPointers + RuntimeHelpers.OffsetToStringData);
}
int num = UnsafeNativeMethods.EventWriteString(this.traceRegistrationHandle, eventLevel, eventKeywords, offsetToStringData);
}
}
else
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.EventTooBig;
return false;
}
}
return true;
}
else
{
throw Fx.Exception.AsError(new ArgumentNullException("eventMessage"));
}
}
public unsafe bool WriteEvent(ref EventDescriptor eventDescriptor, EventTraceActivity eventTraceActivity, string data)
{
uint num = 0;
string str = data;
string empty = str;
if (str == null)
{
empty = string.Empty;
}
data = empty;
if (this.IsEnabled(eventDescriptor.Level, eventDescriptor.Keywords))
{
if (data.Length <= 0x7fd4)
{
if (eventTraceActivity != null)
{
DiagnosticsEventProvider.SetActivityId(ref eventTraceActivity.ActivityId);
}
UnsafeNativeMethods.EventData length;
length.Size = (data.Length + 1) * 2;
length.Reserved = 0;
fixed (string str1 = data)
{
string* strPointers = &str1;
char* offsetToStringData = (char*)(&str1);
if (&str1 != null)
{
offsetToStringData = (char*)(strPointers + RuntimeHelpers.OffsetToStringData);
}
length.DataPointer = (ulong)offsetToStringData;
num = UnsafeNativeMethods.EventWrite(this.traceRegistrationHandle, ref eventDescriptor, 1, ref length);
}
}
else
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.EventTooBig;
return false;
}
}
if (num == 0)
{
return true;
}
else
{
DiagnosticsEventProvider.SetLastError(num);
return false;
}
}
private static void SetLastError(int error)
{
int num = error;
if (num == 8)
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.NoFreeBuffers;
return;
}
else
{
if (num == 234 || num == 0x216)
{
DiagnosticsEventProvider.errorCode = DiagnosticsEventProvider.WriteEventErrorCode.EventTooBig;
return;
}
else
{
return;
}
}
}
