186 lines
3.3 KiB
C
186 lines
3.3 KiB
C
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/*++
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Copyright(c) 2000 Microsoft Corporation
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Module Name:
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eventlog.c
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Abstract:
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Author:
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Todd Carpenter
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Environment:
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Kernel Mode Only
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Revision History:
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07-12-2000 created
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--*/
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#include "eventlog.h"
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#include "dbgsys.h"
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ULONG ErrorLogCount = 0;
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NTSTATUS
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WriteEventLogEntry (
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IN PVOID DeviceObject,
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IN ULONG ErrorCode,
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IN PVOID InsertionStrings, OPTIONAL
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IN ULONG StringCount, OPTIONAL
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IN PVOID DumpData, OPTIONAL
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IN ULONG DataSize OPTIONAL
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)
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/*++
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Routine Description:
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Arguments:
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Status -
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UniqueErrorValue -
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InsertionStrings -
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StringCount -
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DumpData -
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DataSize -
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Return Value:
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NTSTATUS
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--*/
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{
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#define ERROR_PACKET_SIZE sizeof(IO_ERROR_LOG_PACKET)
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NTSTATUS status = STATUS_SUCCESS;
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ULONG totalPacketSize;
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ULONG i, stringSize = 0;
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PWCHAR *strings, temp;
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PIO_ERROR_LOG_PACKET logEntry;
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//
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// Calculate total string length, including NULL.
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//
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strings = (PWCHAR *) InsertionStrings;
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for (i = 0; i < StringCount; i++) {
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UNICODE_STRING unicodeString;
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RtlInitUnicodeString(&unicodeString, strings[i]);
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stringSize += unicodeString.Length + sizeof(UNICODE_NULL);
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//stringSize += (wcslen(strings[i]) + 1) * sizeof(WCHAR);
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}
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//
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// Calculate total packet size to allocate. The packet must be
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// at least sizeof(IO_ERROR_LOG_PACKET) and not larger than
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// ERROR_LOG_MAXIMUM_SIZE or the IoAllocateErrorLogEntry call will fail.
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//
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totalPacketSize = ERROR_PACKET_SIZE + DataSize + stringSize;
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if (totalPacketSize >= ERROR_LOG_MAXIMUM_SIZE) {
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DebugPrint((TRACE, "WriteEventLogEntry: Error Log Entry too large.\n"));
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status = STATUS_UNSUCCESSFUL;
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goto WriteEventLogEntryExit;
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}
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//
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// Allocate the error log packet
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//
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logEntry = IoAllocateErrorLogEntry(DeviceObject,
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(UCHAR) totalPacketSize);
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if (!logEntry) {
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status = STATUS_INSUFFICIENT_RESOURCES;
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goto WriteEventLogEntryExit;
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}
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RtlZeroMemory(logEntry, totalPacketSize);
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//
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// Fill out the packet
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//
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//logEntry->MajorFunctionCode = 0;
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//logEntry->RetryCount = 0;
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//logEntry->UniqueErrorValue = 0;
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//logEntry->FinalStatus = 0;
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//logEntry->SequenceNumber = ErrorLogCount++;
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//logEntry->IoControlCode = 0;
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//logEntry->DeviceOffset.QuadPart = 0;
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logEntry->DumpDataSize = (USHORT) DataSize;
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logEntry->NumberOfStrings = (USHORT) StringCount;
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logEntry->EventCategory = 0x1; // type devices
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logEntry->ErrorCode = ErrorCode;
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if (StringCount) {
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logEntry->StringOffset = (USHORT) (ERROR_PACKET_SIZE + DataSize);
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}
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//
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// Copy Dump Data
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//
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if (DataSize) {
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RtlCopyMemory((PVOID) logEntry->DumpData,
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DumpData,
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DataSize);
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}
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//
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// Copy String Data
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//
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temp = (PWCHAR) ((PUCHAR) logEntry + logEntry->StringOffset);
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for (i = 0; i < StringCount; i++) {
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PWCHAR ptr = strings[i];
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//
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// This routine will copy the null terminator on the string
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//
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while ((*temp++ = *ptr++) != UNICODE_NULL);
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}
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//
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// Submit error log packet
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//
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IoWriteErrorLogEntry(logEntry);
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WriteEventLogEntryExit:
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return status;
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}
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