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/*++
Copyright (c) 1992 Microsoft Corporation
Module Name:
errorlog.c
Abstract:
This module implements the error logging in the netware redirector.
Author:
Manny Weiser (mannyw) 11-Feb-92
Revision History:
--*/
#include <procs.h>
#include <align.h>
#include <stdarg.h>
ULONG
SequenceNumber = 0;
#ifdef ALLOC_PRAGMA
#ifndef QFE_BUILD
#pragma alloc_text( PAGE1, Error )
#endif
#endif
#if 0 // Not pageable
// see ifndef QFE_BUILD above
#endif
VOID
_cdecl
Error(
IN ULONG UniqueErrorCode,
IN NTSTATUS NtStatusCode,
IN PVOID ExtraInformationBuffer,
IN USHORT ExtraInformationLength,
IN USHORT NumberOfInsertionStrings,
...
)
#define LAST_NAMED_ARGUMENT NumberOfInsertionStrings
/*++
Routine Description:
This function allocates an I/O error log record, fills it in and writes it
to the I/O error log.
Arguments:
UniqueErrorCode - The event code
NtStatusCode - The NT status of the failure
ExtraInformationBuffer - Raw data for the event
ExtraInformationLength - The length of the raw data
NumberOfInsertionString - The number of insertion strings that follow
InsertionString - 0 or more insertion strings.
Return Value:
None.
--*/
{
PIO_ERROR_LOG_PACKET ErrorLogEntry;
int TotalErrorLogEntryLength;
ULONG SizeOfStringData = 0;
va_list ParmPtr; // Pointer to stack parms.
if (NumberOfInsertionStrings != 0) {
USHORT i;
va_start(ParmPtr, LAST_NAMED_ARGUMENT);
for (i = 0; i < NumberOfInsertionStrings; i += 1) {
PWSTR String = va_arg(ParmPtr, PWSTR);
SizeOfStringData += (wcslen(String) + 1) * sizeof(WCHAR);
}
}
//
// Ideally we want the packet to hold the servername and ExtraInformation.
// Usually the ExtraInformation gets truncated.
//
TotalErrorLogEntryLength =
min( ExtraInformationLength + sizeof(IO_ERROR_LOG_MESSAGE) + 1 + SizeOfStringData,
ERROR_LOG_MAXIMUM_SIZE );
ErrorLogEntry = (PIO_ERROR_LOG_PACKET)IoAllocateErrorLogEntry(
FileSystemDeviceObject,
(UCHAR)TotalErrorLogEntryLength
);
if (ErrorLogEntry != NULL) {
PCHAR DumpData;
ULONG RemainingSpace = TotalErrorLogEntryLength - sizeof( IO_ERROR_LOG_MESSAGE );
USHORT i;
ULONG SizeOfRawData;
if (RemainingSpace > SizeOfStringData) {
SizeOfRawData = RemainingSpace - SizeOfStringData;
} else {
SizeOfStringData = RemainingSpace;
SizeOfRawData = 0;
}
//
// Fill in the error log entry
//
ErrorLogEntry->ErrorCode = UniqueErrorCode;
ErrorLogEntry->MajorFunctionCode = 0;
ErrorLogEntry->RetryCount = 0;
ErrorLogEntry->UniqueErrorValue = 0;
ErrorLogEntry->FinalStatus = NtStatusCode;
ErrorLogEntry->IoControlCode = 0;
ErrorLogEntry->DeviceOffset.LowPart = 0;
ErrorLogEntry->DeviceOffset.HighPart = 0;
ErrorLogEntry->SequenceNumber = (ULONG)SequenceNumber ++;
ErrorLogEntry->StringOffset =
(USHORT)ROUND_UP_COUNT(
FIELD_OFFSET(IO_ERROR_LOG_PACKET, DumpData) + SizeOfRawData,
ALIGN_WORD);
DumpData = (PCHAR)ErrorLogEntry->DumpData;
//
// Append the extra information. This information is typically
// an SMB header.
//
if (( ARGUMENT_PRESENT( ExtraInformationBuffer )) &&
( SizeOfRawData != 0 )) {
ULONG Length;
Length = min(ExtraInformationLength, (USHORT)SizeOfRawData);
RtlCopyMemory(
DumpData,
ExtraInformationBuffer,
Length);
ErrorLogEntry->DumpDataSize = (USHORT)Length;
} else {
ErrorLogEntry->DumpDataSize = 0;
}
ErrorLogEntry->NumberOfStrings = 0;
if (NumberOfInsertionStrings != 0) {
PWSTR StringOffset = (PWSTR)((PCHAR)ErrorLogEntry + ErrorLogEntry->StringOffset);
PWSTR InsertionString;
//
// Set up ParmPtr to point to first of the caller's parameters.
//
va_start(ParmPtr, LAST_NAMED_ARGUMENT);
for (i = 0 ; i < NumberOfInsertionStrings ; i+= 1) {
InsertionString = va_arg(ParmPtr, PWSTR);
if (((wcslen(InsertionString) + 1) * sizeof(WCHAR)) <= SizeOfStringData ) {
wcscpy(StringOffset, InsertionString);
StringOffset += wcslen(InsertionString) + 1;
SizeOfStringData -= (wcslen(InsertionString) + 1) * sizeof(WCHAR);
ErrorLogEntry->NumberOfStrings += 1;
}
}
}
IoWriteErrorLogEntry(ErrorLogEntry);
}
}
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