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CWE-ou-minkata/Sources/Plasma/NucleusLib/pnAsyncCoreExe/pnAceLog.cpp

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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Additional permissions under GNU GPL version 3 section 7
If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
/*****************************************************************************
*
* $/Plasma20/Sources/Plasma/NucleusLib/pnAsyncCoreExe/pnAceLog.cpp
*
***/
#include "Pch.h"
#pragma hdrstop
#if defined(PLASMA_EXTERNAL_RELEASE)
// If this is an external build then don't write log files
#define ACELOG_NO_LOG_FILES
#endif
namespace AsyncLog {
/****************************************************************************
*
* Private
*
***/
static const unsigned kLogFlushMs = 10 * 1000;
enum ELogType {
#ifdef SERVER
kLogTypeDebug,
kLogTypePerf,
kLogTypeError,
#else
kLogTypeDebug,
#endif
kNumLogTypes
};
static bool s_breakOnErrors;
static wchar s_directory[MAX_PATH];
static CCritSect s_logCrit[kNumLogTypes];
static char * s_logBuf[kNumLogTypes];
static unsigned s_logPos[kNumLogTypes];
static qword s_logWritePos[kNumLogTypes];
static TimeDesc s_logTime[kNumLogTypes];
static unsigned s_logWriteMs[kNumLogTypes];
static AsyncFile s_logFile[kNumLogTypes];
static long s_opsPending;
static bool s_running;
static AsyncTimer * s_timer;
static unsigned s_logSize[kNumLogTypes] = {
#ifdef SERVER
64 * 1024,
64 * 1024,
8 * 1024,
#else
64 * 1024,
#endif
};
static const wchar * s_logNameFmt[kNumLogTypes] = {
#ifdef SERVER
L"Dbg%02u%02u%02u.log",
L"Inf%02u%02u%02u.log",
L"Err%02u%02u%02u.log",
#else
L"%s%02u%02u%02u.log",
#endif
};
static ELogType s_logSeverityToType[kNumLogSeverity] = {
#ifdef SERVER
kLogTypeDebug, // kLogDebug
kLogTypePerf, // kLogPerf
kLogTypeError, // kLogError
kLogTypeError, // kLogFatal
#else
kLogTypeDebug, // kLogDebug
kLogTypeDebug, // kLogPerf
kLogTypeDebug, // kLogError
kLogTypeDebug, // kLogFatal
#endif
};
static char * s_logSeverityToText[kNumLogSeverity] = {
"Debug",
"Info",
"Error",
"Fatal",
};
/****************************************************************************
*
* Local functions
*
***/
//============================================================================
static void LogFileNotifyProc (
AsyncFile file,
EAsyncNotifyFile code,
AsyncNotifyFile * notify,
void ** userState
) {
switch (code) {
case kNotifyFileWrite:
FREE(notify->param);
AtomicAdd(&s_opsPending, -1);
break;
case kNotifyFileFlush:
AsyncFileClose(file, kAsyncFileDontTruncate);
AtomicAdd(&s_opsPending, -1);
break;
DEFAULT_FATAL(code);
}
}
//============================================================================
static void AllocLogBuffer_CS (unsigned index) {
ASSERT(!s_logBuf[index]);
s_logBuf[index] = (char *)ALLOC(s_logSize[index]);
s_logPos[index] = 0;
if (!s_logBuf[index])
ErrorAssert(__LINE__, __FILE__, "Out of memory");
}
//============================================================================
static void FreeLogBuffer_CS (unsigned index) {
if (s_logBuf[index]) {
FREE(s_logBuf[index]);
s_logBuf[index] = nil;
}
}
//============================================================================
static void GetLogFilename (
unsigned index,
TimeDesc timeDesc,
wchar * filename,
unsigned chars
) {
StrPrintf(
filename,
chars,
s_logNameFmt[index],
#ifndef SERVER
ProductShortName(),
#endif
timeDesc.year % 100,
timeDesc.month,
timeDesc.day
);
PathAddFilename(filename, s_directory, filename, chars);
}
//============================================================================
static bool OpenLogFile_CS (unsigned index) {
if (s_logFile[index] != nil)
return true;
// Build filename
wchar filename[MAX_PATH];
GetLogFilename(
index,
s_logTime[index],
filename,
arrsize(filename)
);
// Open file
qword fileTime;
EFileError fileError;
bool fileExist = PathDoesFileExist(filename);
s_logFile[index] = AsyncFileOpen(
filename,
LogFileNotifyProc,
&fileError,
kAsyncFileWriteAccess,
kAsyncFileModeOpenAlways,
kAsyncFileShareRead,
nil, // userState
&s_logWritePos[index],
&fileTime
);
if (s_logFile[index] == nil)
return false;
TimeGetDesc(fileTime, &s_logTime[index]);
s_logWriteMs[index] = TimeGetMs();
// Seek to end of file
AsyncFileSeek(s_logFile[index], s_logWritePos[index], kFileSeekFromBegin);
// If this is a new file, write Byte Order Mark
if (!fileExist) {
static const char s_bom[] = "\xEF\xBB\xBF";
AsyncFileWrite(
s_logFile[index],
s_logWritePos[index],
s_bom,
arrsize(s_bom)- 1,
kAsyncFileRwSync, // perform blocking write
nil // param
);
s_logWritePos[index] += arrsize(s_bom) - 1;
}
// Write a sentinel in case there are multiple runs in one day
static const char s_logOpened[] = "Log Opened\r\n";
AsyncFileWrite(
s_logFile[index],
s_logWritePos[index],
s_logOpened,
arrsize(s_logOpened)- 1,
kAsyncFileRwSync, // perform blocking write
nil
);
s_logWritePos[index] += arrsize(s_logOpened) - 1;
return true;
}
//============================================================================
static void WriteLogFile_CS (unsigned index, bool close) {
unsigned flags = kAsyncFileRwSync; // kAsyncFileRwNotify
if (s_logPos[index]) {
if (OpenLogFile_CS(index)) {
AsyncFileWrite(
s_logFile[index],
s_logWritePos[index],
s_logBuf[index],
s_logPos[index],
flags,
s_logBuf[index]
);
if (flags == kAsyncFileRwSync)
DEL(s_logBuf[index]);
else
AtomicAdd(&s_opsPending, 1);
s_logWritePos[index] += s_logPos[index];
s_logWriteMs[index] = TimeGetMs();
s_logBuf[index] = nil;
s_logPos[index] = 0;
}
}
if (close && s_logFile[index]) {
if (flags == kAsyncFileRwNotify) {
AtomicAdd(&s_opsPending, 1);
AsyncFileFlushBuffers(
s_logFile[index],
kAsyncFileDontTruncate,
true,
nil
);
}
else {
AsyncFileClose(
s_logFile[index],
kAsyncFileDontTruncate
);
}
s_logFile[index] = nil;
}
}
//============================================================================
static void FlushLogFile_CS (
unsigned index,
TimeDesc timeDesc
) {
bool close = !s_running || (s_logTime[index].day != timeDesc.day);
WriteLogFile_CS(index, close);
if (close)
s_logTime[index] = timeDesc;
}
//============================================================================
static unsigned FlushLogsTimerCallback (void *) {
AsyncLogFlush();
return kAsyncTimeInfinite;
}
} using namespace AsyncLog;
/****************************************************************************
*
* Exported functions
*
***/
//============================================================================
void AsyncLogInitialize (
const wchar logDirName[],
bool breakOnErrors
) {
s_running = true;
// Save options
s_breakOnErrors = breakOnErrors;
// Build log directory name
#ifdef SERVER
PathGetProgramDirectory(s_directory, arrsize(s_directory));
#else
PathGetUserDirectory(s_directory, arrsize(s_directory));
#endif
PathAddFilename(s_directory, s_directory, logDirName, arrsize(s_directory));
#ifndef ACELOG_NO_LOG_FILES
// Create log directory
if (kPathCreateDirSuccess != PathCreateDirectory(s_directory, 0))
PathRemoveFilename(s_directory, s_directory, arrsize(s_directory));
// Allocate log buffers
for (unsigned index = 0; index < kNumLogTypes; ++index) {
s_logCrit[index].Enter();
AllocLogBuffer_CS(index);
s_logCrit[index].Leave();
}
AsyncTimerCreate(&s_timer, FlushLogsTimerCallback, kAsyncTimeInfinite, nil);
#endif // ndef ACELOG_NO_LOG_FILES
}
//============================================================================
void AsyncLogDestroy () {
s_running = false;
#ifndef ACELOG_NO_LOG_FILES
AsyncTimerDelete(s_timer, kAsyncTimerDestroyWaitComplete);
for (unsigned index = 0; index < kNumLogTypes; ++index) {
s_logCrit[index].Enter();
{
WriteLogFile_CS(index, true);
FreeLogBuffer_CS(index);
}
s_logCrit[index].Leave();
}
while (s_opsPending)
AsyncSleep(10);
#endif // ndef ACELOG_NO_LOG_FILES
}
//============================================================================
void AsyncLogFlush () {
#ifndef ACELOG_NO_LOG_FILES
TimeDesc timeDesc;
TimeGetDesc(TimeGetTime(), &timeDesc);
for (unsigned index = 0; index < kNumLogTypes; ++index) {
s_logCrit[index].Enter();
FlushLogFile_CS(index, timeDesc);
s_logCrit[index].Leave();
}
#endif // ndef ACELOG_NO_LOG_FILES
}
//============================================================================
void LogBreakOnErrors (bool breakOnErrors) {
s_breakOnErrors = breakOnErrors;
}
//============================================================================
void AsyncLogWriteMsg (
const wchar facility[],
ELogSeverity severity,
const wchar msg[]
) {
if (!s_running)
return;
#ifndef ACELOG_NO_LOG_FILES
TimeDesc timeDesc;
TimeGetDesc(TimeGetTime(), &timeDesc);
char buffer[2048];
const unsigned chars = StrPrintf(
buffer,
arrsize(buffer),
"%02u/%02u/%02u % 2u:%02u:%02u [%S] %s %S\r\n",
timeDesc.month,
timeDesc.day,
timeDesc.year % 100,
timeDesc.hour,
timeDesc.minute,
timeDesc.second,
facility,
s_logSeverityToText[severity],
msg
);
unsigned index = s_logSeverityToType[severity];
s_logCrit[index].Enter();
{
// If day changed then write and flush file
if (s_logTime[index].day != timeDesc.day)
FlushLogFile_CS(index, timeDesc);
// Otherwise if the buffer is full then write to file
else if (s_logPos[index] + chars > s_logSize[index])
WriteLogFile_CS(index, false);
// Allocate log buffer if necessary
if (!s_logBuf[index])
AllocLogBuffer_CS(index);
// Add new data to the log buffer
MemCopy(s_logBuf[index] + s_logPos[index], buffer, chars);
s_logPos[index] += chars;
// Write, flush and close file immediately if this is a fatal error
if (severity == kLogFatal)
WriteLogFile_CS(index, true);
// Drop to debugger if this is an error msg and that option was specified
if (s_breakOnErrors && severity >= kLogError)
DebugBreakIfDebuggerPresent();
}
s_logCrit[index].Leave();
// Queue flush
AsyncTimerUpdate(s_timer, kLogFlushMs, kAsyncTimerUpdateSetPriorityHigher);
#endif // ndef ACELOG_NO_LOG_FILES
}
//============================================================================
void AsyncLogGetDirectory (wchar * dest, unsigned destChars) {
ASSERT(dest);
StrCopy(dest, s_directory, destChars);
}