[ekohl] 64159: [EVENTLOG] - Read MaxSize and Retention from the Registry when a new log file is created. - Use ntdll file functions instead of their kernel32 counterparts.
15 Sep
2014
15 Sep
'14
12:16 p.m.
Author: ekohl
Date: Mon Sep 15 12:16:46 2014
New Revision: 64159
URL: http://svn.reactos.org/svn/reactos?rev=64159&view=rev
Log:
[EVENTLOG]
- Read MaxSize and Retention from the Registry when a new log file is created.
- Use ntdll file functions instead of their kernel32 counterparts.
Modified:
trunk/reactos/base/services/eventlog/eventlog.c
trunk/reactos/base/services/eventlog/eventlog.h
trunk/reactos/base/services/eventlog/file.c
trunk/reactos/base/services/eventlog/rpc.c
Modified: trunk/reactos/base/services/eventlog/eventlog.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/services/eventlog/eve…
==============================================================================
--- trunk/reactos/base/services/eventlog/eventlog.c [iso-8859-1] (original)
+++ trunk/reactos/base/services/eventlog/eventlog.c [iso-8859-1] Mon Sep 15 12:16:46 2014
@@ -106,7 +106,7 @@
UpdateServiceStatus(SERVICE_STOPPED);
return ERROR_SUCCESS;
- default :
+ default:
DPRINT1(" Control %lu received\n", dwControl);
return ERROR_CALL_NOT_IMPLEMENTED;
}
@@ -275,6 +275,7 @@
LONG Result;
PLOGFILE pLogf = NULL;
UNICODE_STRING FileName;
+ ULONG ulMaxSize, ulRetention;
NTSTATUS Status;
DPRINT("LoadLogFile: %S\n", LogName);
@@ -333,7 +334,27 @@
DPRINT("%S -> %S\n", Buf, Expanded);
- Status = LogfCreate(&pLogf, LogName, &FileName, TRUE, FALSE);
+ ValueLen = sizeof(ULONG);
+ Result = RegQueryValueEx(hKey,
+ L"MaxSize",
+ NULL,
+ &Type,
+ (LPBYTE)&ulMaxSize,
+ &ValueLen);
+ if (Result != ERROR_SUCCESS)
+ ulMaxSize = 512 * 1024; /* 512 kBytes */
+
+ ValueLen = sizeof(ULONG);
+ Result = RegQueryValueEx(hKey,
+ L"Retention",
+ NULL,
+ &Type,
+ (LPBYTE)&ulRetention,
+ &ValueLen);
+ if (Result != ERROR_SUCCESS)
+ ulRetention = 0;
+
+ Status = LogfCreate(&pLogf, LogName, &FileName, ulMaxSize, ulRetention, TRUE,
FALSE);
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed to create %S! (Status %08lx)\n", Expanded, Status);
Modified: trunk/reactos/base/services/eventlog/eventlog.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/services/eventlog/eve…
==============================================================================
--- trunk/reactos/base/services/eventlog/eventlog.h [iso-8859-1] (original)
+++ trunk/reactos/base/services/eventlog/eventlog.h [iso-8859-1] Mon Sep 15 12:16:46 2014
@@ -156,6 +156,8 @@
LogfCreate(PLOGFILE *Logfile,
WCHAR * LogName,
PUNICODE_STRING FileName,
+ ULONG ulMaxSize,
+ ULONG ulRetention,
BOOL Permanent,
BOOL Backup);
Modified: trunk/reactos/base/services/eventlog/file.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/services/eventlog/fil…
==============================================================================
--- trunk/reactos/base/services/eventlog/file.c [iso-8859-1] (original)
+++ trunk/reactos/base/services/eventlog/file.c [iso-8859-1] Mon Sep 15 12:16:46 2014
@@ -24,62 +24,78 @@
/* FUNCTIONS ****************************************************************/
static NTSTATUS
-LogfInitializeNew(PLOGFILE LogFile)
-{
- DWORD dwWritten;
+LogfInitializeNew(PLOGFILE LogFile,
+ ULONG ulMaxSize,
+ ULONG ulRetention)
+{
+ IO_STATUS_BLOCK IoStatusBlock;
EVENTLOGEOF EofRec;
+ NTSTATUS Status;
ZeroMemory(&LogFile->Header, sizeof(EVENTLOGHEADER));
SetFilePointer(LogFile->hFile, 0, NULL, FILE_BEGIN);
SetEndOfFile(LogFile->hFile);
LogFile->Header.HeaderSize = sizeof(EVENTLOGHEADER);
- LogFile->Header.EndHeaderSize = sizeof(EVENTLOGHEADER);
+ LogFile->Header.Signature = LOGFILE_SIGNATURE;
+ LogFile->Header.MajorVersion = MAJORVER;
+ LogFile->Header.MinorVersion = MINORVER;
LogFile->Header.StartOffset = sizeof(EVENTLOGHEADER);
LogFile->Header.EndOffset = sizeof(EVENTLOGHEADER);
- LogFile->Header.MajorVersion = MAJORVER;
- LogFile->Header.MinorVersion = MINORVER;
LogFile->Header.CurrentRecordNumber = 1;
LogFile->Header.OldestRecordNumber = 1;
- /* FIXME: Read MaxSize from registry for this LogFile.
- But for now limit EventLog size to just under 5K. */
- LogFile->Header.MaxSize = 5000;
- LogFile->Header.Signature = LOGFILE_SIGNATURE;
- if (!WriteFile(LogFile->hFile,
- &LogFile->Header,
- sizeof(EVENTLOGHEADER),
- &dwWritten,
- NULL))
- {
- DPRINT1("WriteFile failed:%d!\n", GetLastError());
- return STATUS_UNSUCCESSFUL;
- }
-
+ LogFile->Header.MaxSize = ulMaxSize;
+ LogFile->Header.Flags = 0;
+ LogFile->Header.Retention = ulRetention;
+ LogFile->Header.EndHeaderSize = sizeof(EVENTLOGHEADER);
+
+ Status = NtWriteFile(LogFile->hFile,
+ NULL,
+ NULL,
+ NULL,
+ &IoStatusBlock,
+ &LogFile->Header,
+ sizeof(EVENTLOGHEADER),
+ NULL,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("NtWriteFile failed (Status 0x%08lx)\n", Status);
+ return Status;
+ }
+
+ EofRec.RecordSizeBeginning = sizeof(EVENTLOGEOF);
EofRec.Ones = 0x11111111;
EofRec.Twos = 0x22222222;
EofRec.Threes = 0x33333333;
EofRec.Fours = 0x44444444;
- EofRec.RecordSizeBeginning = sizeof(EVENTLOGEOF);
- EofRec.RecordSizeEnd = sizeof(EVENTLOGEOF);
+ EofRec.BeginRecord = LogFile->Header.StartOffset;
+ EofRec.EndRecord = LogFile->Header.EndOffset;
EofRec.CurrentRecordNumber = LogFile->Header.CurrentRecordNumber;
EofRec.OldestRecordNumber = LogFile->Header.OldestRecordNumber;
- EofRec.BeginRecord = LogFile->Header.StartOffset;
- EofRec.EndRecord = LogFile->Header.EndOffset;
-
- if (!WriteFile(LogFile->hFile,
- &EofRec,
- sizeof(EVENTLOGEOF),
- &dwWritten,
- NULL))
- {
- DPRINT1("WriteFile failed:%d!\n", GetLastError());
- return STATUS_UNSUCCESSFUL;
- }
-
- if (!FlushFileBuffers(LogFile->hFile))
- {
- DPRINT1("FlushFileBuffers failed:%d!\n", GetLastError());
- return STATUS_UNSUCCESSFUL;
+ EofRec.RecordSizeEnd = sizeof(EVENTLOGEOF);
+
+ Status = NtWriteFile(LogFile->hFile,
+ NULL,
+ NULL,
+ NULL,
+ &IoStatusBlock,
+ &EofRec,
+ sizeof(EVENTLOGEOF),
+ NULL,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("NtWriteFile failed (Status 0x%08lx)\n", Status);
+ return Status;
+ }
+
+ Status = NtFlushBuffersFile(LogFile->hFile,
+ &IoStatusBlock);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("NtFlushBuffersFile failed (Status 0x%08lx)\n", Status);
+ return Status;
}
return STATUS_SUCCESS;
@@ -87,7 +103,8 @@
static NTSTATUS
-LogfInitializeExisting(PLOGFILE LogFile, BOOL Backup)
+LogfInitializeExisting(PLOGFILE LogFile,
+ BOOL Backup)
{
DWORD dwRead;
DWORD dwRecordsNumber = 0;
@@ -265,10 +282,6 @@
if (LogFile->Header.CurrentRecordNumber == 0)
LogFile->Header.CurrentRecordNumber = 1;
- /* FIXME: Read MaxSize from registry for this LogFile.
- But for now limit EventLog size to just under 5K. */
- LogFile->Header.MaxSize = 5000;
-
if (!Backup)
{
if (SetFilePointer(LogFile->hFile, 0, NULL, FILE_BEGIN) ==
@@ -301,8 +314,10 @@
NTSTATUS
LogfCreate(PLOGFILE *LogFile,
- WCHAR * LogName,
+ WCHAR *LogName,
PUNICODE_STRING FileName,
+ ULONG ulMaxSize,
+ ULONG ulRetention,
BOOL Permanent,
BOOL Backup)
{
@@ -355,7 +370,7 @@
goto fail;
}
- if(LogName)
+ if (LogName)
StringCchCopy(pLogFile->LogName,lstrlenW(LogName) + 1, LogName);
pLogFile->FileName =
@@ -387,7 +402,7 @@
pLogFile->Permanent = Permanent;
if (bCreateNew)
- Status = LogfInitializeNew(pLogFile);
+ Status = LogfInitializeNew(pLogFile, ulMaxSize, ulRetention);
else
Status = LogfInitializeExisting(pLogFile, Backup);
@@ -1117,7 +1132,9 @@
}
}
- Status = LogfInitializeNew(LogFile);
+ Status = LogfInitializeNew(LogFile,
+ LogFile->Header.MaxSize,
+ LogFile->Header.Retention);
if (!NT_SUCCESS(Status))
{
DPRINT1("LogfInitializeNew failed (Status: 0x%08lx)\n", Status);
@@ -1145,7 +1162,7 @@
DWORD dwOffset, dwRead, dwRecSize;
- DPRINT("LogfBackupFile(%p, %wZ)\n", LogFile, BackupFileName);
+ DPRINT1("LogfBackupFile(%p, %wZ)\n", LogFile, BackupFileName);
/* Lock the log file shared */
RtlAcquireResourceShared(&LogFile->Lock, TRUE);
@@ -1182,7 +1199,7 @@
Header.EndOffset = sizeof(EVENTLOGHEADER);
Header.CurrentRecordNumber = 1;
Header.OldestRecordNumber = 1;
- Header.MaxSize = 0;
+ Header.MaxSize = LogFile->Header.MaxSize;
Header.Flags = ELF_LOGFILE_HEADER_DIRTY;
Header.Retention = LogFile->Header.Retention;
Header.EndHeaderSize = sizeof(EVENTLOGHEADER);
Modified: trunk/reactos/base/services/eventlog/rpc.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/services/eventlog/rpc…
==============================================================================
--- trunk/reactos/base/services/eventlog/rpc.c [iso-8859-1] (original)
+++ trunk/reactos/base/services/eventlog/rpc.c [iso-8859-1] Mon Sep 15 12:16:46 2014
@@ -162,6 +162,8 @@
Status = LogfCreate(&lpLogHandle->LogFile,
NULL,
FileName,
+ 0,
+ 0,
FALSE,
TRUE);
if (!NT_SUCCESS(Status))
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