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MemLogger

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This commit is contained in:
Brian Fiete 2025-04-01 15:37:03 -04:00
parent 96f8b1426d
commit 119da8dada
14 changed files with 377 additions and 34 deletions
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35
BeefySysLib/BeefySysLib.cpp
View file

@ -10,6 +10,7 @@
#include "util/Vector.h"
#include "util/PerfTimer.h"
#include "util/TLSingleton.h"
#include "util/MemLogger.h"
#include "img/ImgEffects.h"
#include "util/AllocDebug.h"
@ -926,4 +927,36 @@ BF_EXPORT void BF_CALLTYPE BF_Test()
for (int i : iArr)
OutputDebugStrF("Hey %d\n", i);
}
}
BF_EXPORT void* BF_CALLTYPE MemLogger_Create(const char* memName, int size)
{
MemLogger* memLogger = new MemLogger();
if (!memLogger->Create(memName, size))
{
delete memLogger;
return NULL;
}
return memLogger;
}
BF_EXPORT void BF_CALLTYPE MemLogger_Write(MemLogger* memLogger, void* ptr, int size)
{
memLogger->Write(ptr, size);
}
BF_EXPORT void BF_CALLTYPE MemLogger_Delete(MemLogger* memLogger)
{
delete memLogger;
}
BF_EXPORT const char* BF_CALLTYPE MemLogger_Get(const char* memName)
{
MemLogger memLogger;
String& outString = *gBeefySys_TLStrReturn.Get();
outString.Clear();
if (!memLogger.Get(memName, outString))
return NULL;
return outString.c_str();
}

2
BeefySysLib/BeefySysLib.vcxproj
View file

@ -1950,6 +1950,7 @@ copy /y "$(OutDir)$(TargetName).lib" "$(SolutionDir)\BeefLibs\Beefy2D\dist\"</Co
<ClCompile Include="util\MappedFile.cpp" />
<ClCompile Include="util\MathUtils.cpp" />
<ClCompile Include="util\Matrix4.cpp" />
<ClCompile Include="util\MemLogger.cpp" />
<ClCompile Include="util\MTRand.cpp" />
<ClCompile Include="util\PerfTimer.cpp" />
<ClCompile Include="util\Point.cpp" />
@ -2189,6 +2190,7 @@ copy /y "$(OutDir)$(TargetName).lib" "$(SolutionDir)\BeefLibs\Beefy2D\dist\"</Co
<ClInclude Include="util\MappedFile.h" />
<ClInclude Include="util\MathUtils.h" />
<ClInclude Include="util\Matrix4.h" />
<ClInclude Include="util\MemLogger.h" />
<ClInclude Include="util\MTRand.h" />
<ClInclude Include="util\MultiDictionary.h" />
<ClInclude Include="util\MultiHashSet.h" />

6
BeefySysLib/BeefySysLib.vcxproj.filters
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@ -743,6 +743,9 @@
<ClCompile Include="img\BMPData.cpp">
<Filter>src\img</Filter>
</ClCompile>
<ClCompile Include="util\MemLogger.cpp">
<Filter>src\util</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="Common.h">
@ -1147,6 +1150,9 @@
<ClInclude Include="img\BMPData.h">
<Filter>src\img</Filter>
</ClInclude>
<ClInclude Include="util\MemLogger.h">
<Filter>src\util</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<CustomBuild Include="third_party\libffi\i686-pc-cygwin\src\x86\win32.asm">

2
BeefySysLib/BeefySysLib_static.vcxproj
View file

@ -880,6 +880,7 @@
<ClCompile Include="util\Json.cpp" />
<ClCompile Include="util\MappedFile.cpp" />
<ClCompile Include="util\Matrix4.cpp" />
<ClCompile Include="util\MemLogger.cpp" />
<ClCompile Include="util\PerfTimer.cpp" />
<ClCompile Include="util\Point.cpp" />
<ClCompile Include="util\PolySpline.cpp" />
@ -1047,6 +1048,7 @@
<ClInclude Include="util\Json.h" />
<ClInclude Include="util\MappedFile.h" />
<ClInclude Include="util\Matrix4.h" />
<ClInclude Include="util\MemLogger.h" />
<ClInclude Include="util\PerfTimer.h" />
<ClInclude Include="util\Point.h" />
<ClInclude Include="util\PolySpline.h" />

6
BeefySysLib/BeefySysLib_static.vcxproj.filters
View file

@ -593,6 +593,9 @@
<ClCompile Include="img\BMPData.cpp">
<Filter>src\img</Filter>
</ClCompile>
<ClCompile Include="util\MemLogger.cpp">
<Filter>src\util</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="Common.h">
@ -913,6 +916,9 @@
<ClInclude Include="img\BMPData.h">
<Filter>src\img</Filter>
</ClInclude>
<ClInclude Include="util\MemLogger.h">
<Filter>src\util</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<CustomBuild Include="third_party\libffi\i686-pc-cygwin\src\x86\win32.asm">

8
BeefySysLib/Common.cpp
View file

@ -660,7 +660,7 @@ void Beefy::ExactMinimalDoubleToStr(double d, char* str)
static char* StbspCallback(char *buf, void *user, int len)
{
((String*)user)->Append(buf, len);
((StringImpl*)user)->Append(buf, len);
return buf;
}
@ -821,6 +821,12 @@ String Beefy::vformat(const char* fmt, va_list argPtr)
BF_stbsp_vsprintfcb(StbspCallback, (void*)&str, buf, fmt, argPtr);
return str;
}
void Beefy::vformat(StringImpl& str, const char* fmt, va_list argPtr)
{
char buf[STB_SPRINTF_MIN];
BF_stbsp_vsprintfcb(StbspCallback, (void*)&str, buf, fmt, argPtr);
}
#endif
String Beefy::StrFormat(const char* fmt ...)

1
BeefySysLib/Common.h
View file

@ -195,6 +195,7 @@ uint64 BFGetTickCountMicro();
uint64 BFGetTickCountMicroFast();
extern String vformat(const char* fmt, va_list argPtr);
extern void vformat(StringImpl& str, const char* fmt, va_list argPtr);
extern String StrFormat(const char* fmt ...);
void ExactMinimalFloatToStr(float f, char* str);
void ExactMinimalDoubleToStr(double d, char* str);

161
BeefySysLib/util/MemLogger.cpp Normal file
View file

@ -0,0 +1,161 @@
#include "MemLogger.h"
USING_NS_BF;
struct MemLogger_Header
{
public:
int mHead;
int mTail;
int mSize;
};
MemLogger::MemLogger()
{
mFileMap = NULL;
mMemBuffer = NULL;
mBufferSize = 0;
mTotalWriteSize = 0;
}
MemLogger::~MemLogger()
{
if (mMemBuffer != NULL)
::UnmapViewOfFile(mMemBuffer);
if (mFileMap != NULL)
::CloseHandle(mFileMap);
}
void MemLogger::Write(const void* ptr, int size)
{
if (mMemBuffer == NULL)
return;
if (size == 0)
return;
int dataSize = mBufferSize - sizeof(MemLogger_Header);
void* dataPtr = (uint8*)mMemBuffer + sizeof(MemLogger_Header);
MemLogger_Header* header = (MemLogger_Header*)mMemBuffer;
bool wasWrapped = header->mHead < header->mTail;
int writeSize = BF_MIN(size, dataSize - header->mHead);
memcpy((char*)dataPtr + header->mHead, ptr, writeSize);
size -= writeSize;
header->mHead += writeSize;
while (header->mHead >= dataSize)
header->mHead -= dataSize;
if (size > 0)
{
int writeSize2 = BF_MIN(size, dataSize - header->mHead);
memcpy((char*)dataPtr + header->mHead, (char*)ptr + writeSize, writeSize2);
header->mHead += writeSize2;
while (header->mHead >= dataSize)
header->mHead -= dataSize;
}
mTotalWriteSize += writeSize;
if (mTotalWriteSize >= dataSize)
{
header->mTail = header->mHead + 1;
if (header->mTail > dataSize)
header->mTail -= dataSize;
}
}
bool Beefy::MemLogger::Create(const StringImpl& memName, int size)
{
String sharedName = "MemLogger_" + memName;
HANDLE hMapFile = CreateFileMappingA(
INVALID_HANDLE_VALUE, // use paging file
NULL, // default security
PAGE_READWRITE, // read/write access
0, // maximum object size (high-order DWORD)
size, // maximum object size (low-order DWORD)
sharedName.c_str()); // name of mapping object
if (hMapFile == NULL)
return false;
mMemBuffer = MapViewOfFile(hMapFile, // handle to map object
FILE_MAP_ALL_ACCESS, // read/write permission
0,
0,
size);
if (mMemBuffer == NULL)
return false;
mBufferSize = size;
MemLogger_Header* header = (MemLogger_Header*)mMemBuffer;
header->mHead = 0;
header->mTail = 0;
header->mSize = size;
return true;
}
bool Beefy::MemLogger::Get(const StringImpl& memName, String& outStr)
{
String sharedName = "MemLogger_" + memName;
HANDLE hMapFile = ::OpenFileMappingA(FILE_MAP_READ | FILE_MAP_WRITE, FALSE, sharedName.c_str());
if (hMapFile == NULL)
return false;
void* memPtr = MapViewOfFile(hMapFile, // handle to map object
FILE_MAP_ALL_ACCESS, // read/write permission
0,
0,
sizeof(MemLogger_Header));
MemLogger_Header* header = (MemLogger_Header*)(memPtr);
int size = header->mSize;
UnmapViewOfFile(memPtr);
memPtr = MapViewOfFile(hMapFile, // handle to map object
FILE_MAP_ALL_ACCESS, // read/write permission
0,
0,
size);
if (memPtr == NULL)
return false;
::CloseHandle(hMapFile);
header = (MemLogger_Header*)(memPtr);
int dataSize = header->mSize - sizeof(MemLogger_Header);
void* dataPtr = (uint8*)memPtr + sizeof(MemLogger_Header);
if (header->mHead >= header->mTail)
{
// Not wrapped around
outStr.Insert(outStr.mLength, (char*)dataPtr + header->mTail, header->mHead - header->mTail);
}
else
{
outStr.Insert(outStr.mLength, (char*)dataPtr + header->mTail, dataSize - header->mTail);
outStr.Insert(outStr.mLength, (char*)dataPtr, header->mHead);
}
return true;
}
void Beefy::MemLogger::Log(const char* fmt ...)
{
if (mMemBuffer == NULL)
return;
StringT<4096> str;
va_list argList;
va_start(argList, fmt);
vformat(str, fmt, argList);
va_end(argList);
Write(str.c_str(), str.mLength);
}

28
BeefySysLib/util/MemLogger.h Normal file
View file

@ -0,0 +1,28 @@
#pragma once
#include "../Common.h"
NS_BF_BEGIN
class MemLogger
{
public:
HANDLE mFileMap;
void* mMemBuffer;
int mBufferSize;
int mTotalWriteSize;
public:
MemLogger();
~MemLogger();
bool Create(const StringImpl& memName, int size);
bool Get(const StringImpl& memName, String& outStr);
void Log(const char* fmt ...);
void Write(const void* ptr, int size);
};
NS_BF_END