/*********************************************************************************************************
** Function name: isData
** Descriptions: if get data?
*********************************************************************************************************/
bool LightCom::isData()
{
if(state == STATE_STOP)
{
#if __DEBUG
__PRINTLN("get in is data! ");
__PRINT("rawLen = ");__PRINTLN(rawLen);
__PRINTLN("raw: ");
for(int i = 0; i<rawLen; i++)
{
__PRINT(rawBuf[i]);
__PRINT("\t");
}
__PRINTLN();
#endif
if((rawLen)%9 == 0)
{
#if __DEBUG
__PRINTLN("GET GOOD DATA");
#endif
return 1;
}
else
{
clear();
}
}
return 0;
}
/**
Implementation of pure virtual function.
@see MWTCacheInterface::ReadL()
*/
void CDynamicDirCache::ReadL(TInt64 aPos, TInt aLength, TDes8& aDes)
{
#ifdef _DEBUG
if(iCacheDisabled)
{
// cache is disabled for debug purposes
__PRINT(_L("CDynamicDirCache disabled"));
User::LeaveIfError(iDrive.ReadNonCritical(aPos, aLength, aDes));
return;
}
#endif //_DEBUG
aDes.Zero();
const TUint32 PageSz = iPageSizeInBytes;//-- cache page size
TInt64 pageStartMedPos = CalcPageStartPos(aPos);
const TUint32 bytesToPageEnd = (TUint32)(pageStartMedPos + PageSz - aPos); //-- number of bytes from aPos to the end of the page
// __PRINT5(_L("CDynamicDirCache::ReadL: aPos=%lx, aLength=%x, page:%lx, pageSz:%x, bytesToPageEnd=%x"), aPos, aLength, pageStartMedPos, PageSz, bytesToPageEnd);
// if all data needed is on a single page
if((TUint32)aLength <= bytesToPageEnd)
{
ReadDataFromSinglePageL(aPos, aLength, aDes);
}
// or data to be read cross cache page boundary or probably we have more than 1 page to read
else
{
__PRINT(_L("CDynamicDirCache::ReadL() CROSS PAGE!"));
TUint32 dataLen(aLength); //-- current data length
TInt64 currMediaPos(aPos); //-- current media position
//-- 1. read data that are already in the current page
ReadDataFromSinglePageL(currMediaPos, bytesToPageEnd, aDes);
dataLen -= bytesToPageEnd;
currMediaPos += bytesToPageEnd;
TPtr8 dataNext = aDes.MidTPtr(aDes.Length());
//-- 2. read whole pages of data
while (dataLen >= PageSz)
{
//-- find out if currMediaPos is in cache. If not, find a spare page and read data there
ReadDataFromSinglePageL(currMediaPos, PageSz, dataNext);
currMediaPos += PageSz;
dataLen -= PageSz;
dataNext = dataNext.MidTPtr(dataNext.Length());
}
//-- 3. read the rest of the data
if(dataLen > 0)
{
ReadDataFromSinglePageL(currMediaPos, dataLen, dataNext);
}
} //else((TUint32)aLength <= bytesToPageEnd)
}
//===================Main function=================
int main(int argc, char* argv)
{
int buf_len;
char main_buffer[MAX_MAIN_BUFFER];
KConnectionManager::Initialize();
KConnectionManager km = KConnectionManager();
KConnection* main_con = km.create_con(MAIN_PORT);
KLobby lobby = KLobby(&km);
//Handle signal
signal(SIGINT, TerminalHandler);
//Debug memory leak
#ifdef MEMORY_LEAK
_CrtSetReportMode( _CRT_ASSERT, _CRTDBG_MODE_FILE | _CRTDBG_MODE_WNDW );
_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
#endif//MEMORY_LEAK
sockaddr remote_addr;
while(Running) {//MainLoop
km.check(1,0);
if (main_con->has_data()) {
//Reinitialize buffer and len
buf_len = MAX_MAIN_BUFFER;
memset(main_buffer, 0, sizeof(main_buffer));
memset(&remote_addr, 0, sizeof(remote_addr));
//Recv data
buf_len = main_con->recv_data(main_buffer, buf_len, false);
main_con->get_raddr(&remote_addr);
if (strncmp("PING", main_buffer, MAX_MAIN_BUFFER) == 0) {//Echo message
//TODO:Send "PONG"
}
else if (strncmp("HELLO", main_buffer, 5) == 0) {
if (strncmp("0.83", main_buffer + 5, MAX_MAIN_BUFFER - 5) == 0) {
//XXX:Rember to delete user and game at list
KUser* nuser = lobby.new_user();
__PRINT("Port:%d\n", nuser->get_port());
snprintf(main_buffer, MAX_MAIN_BUFFER, "HELLOD00D%i", nuser->get_port());
main_con->send(main_buffer,sizeof(main_buffer));
}
else {
//Version error
//TODO:Send "VER"
}
}
else {
printf("Got an unexcept data:%s", main_buffer);
}
__PRINT("Recvdata:%s\n", main_buffer);
}
lobby.tick();
}
km.Release();
return 0;
}
//-------------------------------------------------------------------------------------------------------------------
void Dump_TLDFormatInfo(const TLDFormatInfo& aInfo)
{
(void)aInfo;
#ifdef _DEBUG
__PRINT(_L("----- TLDFormatInfo dump:"));
__PRINT1(_L("iCapacity:%d"), aInfo.iCapacity);
__PRINT1(_L("iSectorsPerCluster:%d"), aInfo.iSectorsPerCluster);
__PRINT1(_L("iSectorsPerTrack:%d"), aInfo.iSectorsPerTrack);
__PRINT1(_L("iFATBits:%d"), aInfo.iFATBits);
__PRINT1(_L("iReservedSectors:%d"), aInfo.iReservedSectors);
__PRINT1(_L("iFlags:%d"), aInfo.iFlags);
__PRINT(_L("-----"));
#endif
}
void Object_increaseA( Object *object, int value )
{
//__DEBUG(" Increased value by %d", value );
object->propertyA += value;
__PRINT( "Value of object's property A with dboid <%s> is now: %d", object->databaseId, object->propertyA );
}
/**
Dump cache information, only enabled in debug mode.
@see CDynamicDirCache::Control()
*/
void CDynamicDirCache::Info() const
{
__PRINT(_L("======== CDynamicDirCache::Info ========="));
const TUint32 SegmentSizeInBytesLog2 = CCacheMemoryManagerFactory::CacheMemoryManager()->SegmentSizeInBytesLog2();
// page size
__PRINT1(_L("=== Pages size: [%d Bytes]"), iPageSizeInBytes);
__PRINT1(_L("=== Segment size: [%d Bytes]"), 1 << SegmentSizeInBytesLog2);
// data size:
__PRINT1(_L("=== Min data size: [%d Bytes]"), iMinSizeInPages << iPageSizeLog2);
__PRINT1(_L("=== Max data size: [%d Bytes]"), iMaxSizeInPages << iPageSizeLog2);
// memory size:
const TUint32 pageMemSizeLog2 = iPageSizeLog2 > SegmentSizeInBytesLog2 ? iPageSizeLog2 : SegmentSizeInBytesLog2;
__PRINT1(_L("=== Min memory size: [%d Bytes]"), iMinSizeInPages << pageMemSizeLog2);
__PRINT1(_L("=== Max memory size: [%d Bytes]"), iMaxSizeInPages << pageMemSizeLog2);
// reserved pages
__PRINT1(_L("=== Number of pages reserved: [%d]"), iMinSizeInPages);
__PRINT1(_L("=== Reserved memory: [%d Bytes]"), (iMinSizeInPages * PageSizeInSegs()) << SegmentSizeInBytesLog2);
// locked page num
__PRINT1(_L("=== Number of pages locked: [%d]"), iLockedQCount);
__PRINT1(_L("=== Locked memory: [%d Bytes]"), (iLockedQCount * PageSizeInSegs()) << SegmentSizeInBytesLog2);
// unlocked page num
__PRINT1(_L("=== Number of pages unlocked: [%d]"), iUnlockedQCount);
__PRINT1(_L("=== Unlocked memory: [%d Bytes]"), (iUnlockedQCount * PageSizeInSegs()) << SegmentSizeInBytesLog2);
}
/*
Get all user data in current lobby
*/
int KLobby::get_UData(unsigned char* buffer, int* len)
{
unsigned char* result;
KUser* cur_user;
KListNode<KUser*>* p_node;
int ptr = 0;//pointer
if (buffer == NULL) {
__PRINT("[KLoby::get_UData] Buffer ptr error", NULL);
return 0;
}
else {
result = buffer;
}
KList<KUser*>::iterator it = m_userlist.begin();
while ((p_node = it.next()) != 0) {
int dl = 0;//data len
cur_user = p_node->m_data;
if (cur_user->get_status() != 2) {//not connecting
cur_user->toData(result + ptr, &dl);
ptr += dl;
}
}
*len = ptr;
return 1;
}
TInt TFsCloseObject::DoRequestL(CFsRequest* /*aRequest*/)
//
//
//
{
__PRINT(_L("TFsCloseObject::DoRequestL()"));
return(KErrNone);
}
/**
Read and validate the boot sector.
If there is an error in reading the main boot sector (sec:0) or it is invalid, tries to read backup boot sector from sec:6.
Flag iMainBootSecValid indicates the validity of the main boot sector. if it is false, but ret. value is KErrNone, it means that
the backup boot sector was used and it is valid.
@param aBootSector reference to the boot sector object to be read.
@param aDoNotReadBkBootSec if true, there won't be an attempt to read backup sector
@return standard error code.
*/
TInt CFatMountCB::ReadBootSector(TFatBootSector& aBootSector, TBool aDoNotReadBkBootSec/*=EFalse*/)
{
iMainBootSecValid = EFalse;
//-- read main boot sector from the sector 0
TInt nRes = DoReadBootSector(KBootSectorNum << KDefSectorSzLog2, aBootSector);
if(nRes == KErrNone)
{
if(aBootSector.IsValid())
{
iMainBootSecValid = ETrue; //-- main boot sector is valid, everything is OK
return KErrNone;
}
else
{
__PRINT(_L("MainBoot Sector is invalid! dump:\n"));
aBootSector.PrintDebugInfo();
nRes = KErrCorrupt;
}
}
ASSERT(nRes!= KErrNone && !iMainBootSecValid);
if(aDoNotReadBkBootSec)
return nRes;
//-- main boot sector is invalid, try backup one (it might not present at all)
__PRINT(_L("Using backup boot sector...\n"));
nRes=DoReadBootSector(KBkBootSectorNum << KDefSectorSzLog2, aBootSector);
if(nRes == KErrNone )
{
if(aBootSector.IsValid())
return KErrNone; //-- main boot sector is bad, but backup one is OK
else
{//-- backup boot sector is invalid
__PRINT(_L("Backup Sector is invalid! dump:\n"));
aBootSector.PrintDebugInfo();
nRes = KErrCorrupt;
}
}
//-- can't read boot sectors, or both are invalid
return nRes;
}
/**
Dump cache content, only enabled in debug mode.
@see CDynamicDirCache::Control()
*/
void CDynamicDirCache::Dump()
{
__PRINT(_L("======== CDynamicDirCache::Dump ========="));
if (!iLockedQ.IsEmpty())
{
TDblQueIter<TDynamicDirCachePage> q(iLockedQ);
q.SetToFirst();
TInt i = 0;
while((TDynamicDirCachePage*)q)
{
TDynamicDirCachePage* pP = q++;
__PRINT3(_L("=== CDynamicDirCache::iLockedQ\t[%4d](pos=%lx, size=%d)"), i++, pP->StartPos(), pP->PageSizeInBytes());
}
}
if (!iUnlockedQ.IsEmpty())
{
TDblQueIter<TDynamicDirCachePage> q(iUnlockedQ);
q.SetToFirst();
TInt i = 0;
while((TDynamicDirCachePage*)q)
{
TDynamicDirCachePage* pP = q++;
__PRINT3(_L("=== CDynamicDirCache::iUnlockedQ\t[%4d](pos=%lx, size=%u)"), i++, pP->StartPos(), pP->PageSizeInBytes());
}
}
__PRINT2(_L("=== CDynamicDirCache::iActivePage\t[*](pos=%lx, size=%u)"), iActivePage->StartPos(), iActivePage->PageSizeInBytes());
if (iLookupTable.Count())
{
TInt i = 0;
THashSetIter<TLookupEntry> iter(iLookupTable);
TLookupEntry* pEntry;
pEntry = (TLookupEntry*) iter.Next();
while(pEntry)
{
TDynamicDirCachePage* pP = pEntry->iPage;
__PRINT3(_L("=== CDynamicDirCache::iLookupTable\t[%4d](pos=%lx, size=%u)"), i++, pP->StartPos(), pP->PageSizeInBytes());
pEntry = (TLookupEntry*) iter.Next();
};
}
__PRINT(_L("===========================================\n"));
}
TInt TFsCloseObject::Complete(CFsRequest* aRequest)
//
//
//
{
__PRINT(_L("TFsCloseObject::Complete()"));
CFsDispatchObject* pO=(CFsDispatchObject*)aRequest->ScratchValue();
// set CFsDispatchObject::iRequest to NULL since request will be deleted in Free()
pO->iRequest=NULL;
pO->DoClose();
return(KErrNone);
}
/**
Close all objects that were created in the main file server thread.
For sync. drives all objects must be closed in the main file server thread, because
they are created in this thread, as soon as all synch. requests are processed there.
*/
void CFsObjectIx::CloseMainThreadObjects()
{
__ASSERT_DEBUG(FsThreadManager::IsMainThread(),Fault(EObjectIxMainThread));
__PRINT(_L("CFsObjectIx::CloseThreadObjects()"));
Lock();
// We have to be very careful here. Calling Close() on the objects in the array
// may result in other entries being removed from the array before we delete
// them here, and may result in the array being ReAlloc()ed, corrupting the removed
// entries, hence we must check the iHighWaterMark value each time round the loop.
TInt i=-1;
while(++i<iHighWaterMark)
{
SFsObjectIxRec* pS=iObjects+i;
CFsObject *pO=pS->obj;
if (pO && pO->IsCorrectThread())
{
// invalidate entry before closing it
pS->obj=NULL;
pO->Close();
}
}
Unlock();
}
/**
Open the device and do some initalisation work.
@param aParams device parameters
@return Epoc error code, KErrNone if everything is OK
*/
TInt CWinImgFileDevice::Connect(const TMediaDeviceParams& aParams)
{
__PRINT(_L("#-- CWinImgFileDevice::Connect()"));
if(!aParams.ipDevName)
{
__LOG(_L("#-- CWinImgFileDevice::Connect() device name is not set!"));
return KErrBadName;
}
__PRINTF(aParams.ipDevName);
ASSERT(!HandleValid());
//-- 1. try to locate an image file by given name.
WIN32_FIND_DATAA wfd;
iDevHandle = FindFirstFileA(aParams.ipDevName, &wfd);
const TBool ImgFileAlreadyExists = HandleValid(iDevHandle);
FindClose(iDevHandle);
iDevHandle = NULL;
//-- sector size we will use within image file
const TUint32 sectorSizeToUse = (aParams.iDrvGeometry.iBytesPerSector == 0) ? KDefaultSectorSz : aParams.iDrvGeometry.iBytesPerSector;
TUint32 fileSzInSectorsToUse = 0;
const TUint32 reqSizeSec = aParams.iDrvGeometry.iSizeInSectors; //-- required size in sectors
const DWORD dwAccessMode = (aParams.iReadOnly) ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE;
if(ImgFileAlreadyExists)
{//-- if the image file already exists, try to open it and optionally adjust its size
const TInt64 ImgFileSize = MAKE_TINT64(wfd.nFileSizeHigh, wfd.nFileSizeLow);
const TUint32 ImgFileSectors = (TUint32)(ImgFileSize / sectorSizeToUse);
const TBool ImgFileIsRO = wfd.dwFileAttributes & FILE_ATTRIBUTE_READONLY;
DWORD dwFileCreationMode = 0;
TBool bNeedToAdjustFileSize = EFalse;
if(reqSizeSec == 0 || reqSizeSec == ImgFileSectors)
{//-- the required size is either not specified (auto) or the same as the existing file has.
//-- we can just open this file
dwFileCreationMode = OPEN_EXISTING;
fileSzInSectorsToUse = ImgFileSectors;
}
else
{//-- we will have to overwrite the image file
if(ImgFileIsRO)
{//-- we won't be able to overwrite existing file.
__LOG(_L("#-- CWinImgFileDevice::Connect() unable to adjust image file size!"));
return KErrAccessDenied;
}
fileSzInSectorsToUse = reqSizeSec;
dwFileCreationMode = CREATE_ALWAYS;
bNeedToAdjustFileSize = ETrue;
}
iDevHandle = CreateFileA(aParams.ipDevName,
dwAccessMode,
FILE_SHARE_READ,
(LPSECURITY_ATTRIBUTES)NULL,
dwFileCreationMode,
FILE_ATTRIBUTE_NORMAL,
NULL);
if(!HandleValid(iDevHandle))
{
const DWORD winErr = GetLastError();
__LOG1(_L("#-- CWinImgFileDevice::Connect() Error opening/creating file! WinErr:%d"), winErr);
return MapWinError(winErr);
}
//-- adjust file size if we need
if(bNeedToAdjustFileSize)
{
const TInt64 newFileSize = (TInt64)reqSizeSec * sectorSizeToUse;
ASSERT(newFileSize);
LONG newFSzHi = I64HIGH(newFileSize);
DWORD dwRes = SetFilePointer(iDevHandle, I64LOW(newFileSize), &newFSzHi, FILE_BEGIN);
if(dwRes == INVALID_SET_FILE_POINTER || !SetEndOfFile(iDevHandle))
{
const DWORD winErr = GetLastError();
Disconnect();
__LOG1(_L("#-- CWinImgFileDevice::Connect() unable to set file size! WinErr:%d"), winErr);
return MapWinError(winErr);
}
}
}
else //if(ImgFileAlreadyExists)
{//-- if the image file does not exist or its size differs from required. try to create it
if(reqSizeSec == 0)
{
__LOG(_L("#-- CWinImgFileDevice::Connect() The image file doesn't exist ant its size isn't specified!"));
return KErrArgument;
}
fileSzInSectorsToUse = reqSizeSec;
//-- create a new image file
iDevHandle = CreateFileA(aParams.ipDevName,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ,
(LPSECURITY_ATTRIBUTES)NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
NULL);
if(!HandleValid(iDevHandle))
{
const DWORD winErr = GetLastError();
__LOG1(_L("#-- CWinImgFileDevice::Connect() can not create file! WinErr:%d"), winErr);
return MapWinError(winErr);
}
//-- set its size
const TInt64 newFileSize = (TInt64)reqSizeSec * sectorSizeToUse;
ASSERT(newFileSize);
LONG newFSzHi = I64HIGH(newFileSize);
DWORD dwRes = SetFilePointer(iDevHandle, I64LOW(newFileSize), &newFSzHi, FILE_BEGIN);
if(dwRes == INVALID_SET_FILE_POINTER || !SetEndOfFile(iDevHandle))
{
const DWORD winErr = GetLastError();
Disconnect();
__LOG1(_L("#-- CWinImgFileDevice::Connect() unable to set file size! WinErr:%d"), winErr);
return MapWinError(winErr);
}
//-- if parametrs require a read-only file, reopen it in RO mode, it doesn't make a lot of sense though...
if(aParams.iReadOnly)
{
CloseHandle(iDevHandle);
iDevHandle = NULL;
iDevHandle = CreateFileA(aParams.ipDevName,
GENERIC_READ ,
FILE_SHARE_READ,
(LPSECURITY_ATTRIBUTES)NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if(!HandleValid(iDevHandle))
{
const DWORD winErr = GetLastError();
__LOG1(_L("#-- CWinImgFileDevice::Connect() Can't reopen a file in RO mode! WinErr:%d"), winErr);
return MapWinError(winErr);
}
}//if(aParams.iReadOnly)
}//else if(ImgFileAlreadyExists)
//-- here we must have the image file created/opened and with correct size
ASSERT(HandleValid());
ASSERT(sectorSizeToUse);
if(fileSzInSectorsToUse < KMinMediaSizeInSectors)
{
__LOG1(_L("#-- CWinImgFileDevice::Connect() Image file is too small! sectors:%d"), fileSzInSectorsToUse);
Disconnect();
return KErrGeneral;
}
iDrvGeometry.iBytesPerSector = sectorSizeToUse;
iDrvGeometry.iSizeInSectors = fileSzInSectorsToUse;
//-- map the image file into memory.
ASSERT(!HandleValid(ihFileMapping));
ASSERT(!ipImageFile);
/*
don't map image file, because it can be > 4G.
ihFileMapping = CreateFileMapping(Handle(), NULL,
aParams.iReadOnly ? PAGE_READONLY : PAGE_READWRITE,
0, 0, NULL);
if(HandleValid(ihFileMapping))
{
ipImageFile = (TUint8*)MapViewOfFile(ihFileMapping,
aParams.iReadOnly ? FILE_MAP_READ : FILE_MAP_WRITE,
0,0,0);
}
if(!ipImageFile)
{
__PRINT1(_L("#-- CWinImgFileDevice::Connect() Error mapping file! WinErr:%d"), GetLastError());
Disconnect();
return KErrGeneral;
}
*/
return KErrNone;
}
/**
Open the device and do some initalisation work.
@param aParams device parameters
@return Epoc error code, KErrNone if everything is OK
*/
TInt CWinVolumeDevice::Connect(const TMediaDeviceParams& aParams)
{
__PRINT(_L("#-- CWinVolumeDevice::Connect()"));
if(!aParams.ipDevName)
{
__LOG(_L("#-- CWinVolumeDevice::Connect() device name is not set!"));
return KErrBadName;
}
__PRINTF(aParams.ipDevName);
ASSERT(!HandleValid() && ipScratchBuf);
//-- open the device
DWORD dwAccess = GENERIC_READ;
if(!aParams.iReadOnly)
dwAccess |= GENERIC_WRITE;
iDevHandle = CreateFileA(aParams.ipDevName,
dwAccess,
FILE_SHARE_READ,
(LPSECURITY_ATTRIBUTES)NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if(!HandleValid())
{
__LOG1(_L("#-- CWinVolumeDevice::Connect() Error creating device handle! WinErr:%d"), GetLastError());
return KErrGeneral;
}
//-- find out device geometry
iMediaType = Unknown;
iDrvGeometry.iBytesPerSector = KDefaultSectorSz;
DWORD junk;
//-- 1. try to query disk geometry, but it can produce wrong results for partitioned media
BOOL bResult = DeviceIoControl(Handle(),
IOCTL_DISK_GET_DRIVE_GEOMETRY,
NULL, 0,
ipScratchBuf, KScratchBufSz,
&junk, (LPOVERLAPPED)NULL);
if(bResult)
{
const DISK_GEOMETRY& dg = (const DISK_GEOMETRY&)*ipScratchBuf;
iDrvGeometry.iBytesPerSector = dg.BytesPerSector;
iMediaType = dg.MediaType;
__PRINT3(_L("#-- dev geometry: Cyl:%d Heads:%d Sectors:%d"), dg.Cylinders.LowPart, dg.TracksPerCylinder, dg.SectorsPerTrack);
__PRINT2(_L("#-- dev geometry: MediaType:%d, bps:%d"), dg.MediaType, dg.BytesPerSector);
}
else
{
iMediaType = Unknown;
iDrvGeometry.iBytesPerSector = KDefaultSectorSz;
__LOG1(_L("#-- CWinVolumeDevice::Connect() IOCTL_DISK_GET_DRIVE_GEOMETRY WinError:%d !"), GetLastError());
}
//-- 1.1 check "bytes per sector" value and how it corresponds to the request from parameters
if(aParams.iDrvGeometry.iBytesPerSector == 0)
{//-- do nothing, this parameter is not set in config file, use media's
}
else if(aParams.iDrvGeometry.iBytesPerSector != iDrvGeometry.iBytesPerSector)
{//-- we can't set "SectorSize" value for the physical media
__LOG1(_L("#-- CWinVolumeDevice::Connect() can not use 'Sec. Size' value from config:%d !"), aParams.iDrvGeometry.iBytesPerSector);
Disconnect();
return KErrArgument;
}
ASSERT(IsPowerOf2(BytesPerSector()) && BytesPerSector() >= KDefaultSectorSz && BytesPerSector() < 4096);
//-- find out partition information in order to determine volume size.
bResult = DeviceIoControl(Handle(),
IOCTL_DISK_GET_PARTITION_INFO,
NULL, 0,
ipScratchBuf, KScratchBufSz,
&junk, (LPOVERLAPPED)NULL);
if(!bResult)
{//-- this is a fatal error
__LOG1(_L("#-- CWinVolumeDevice::Connect() IOCTL_DISK_GET_PARTITION_INFO WinError:%d !"), GetLastError());
Disconnect();
return KErrBadHandle;
}
//-- get partition informaton
const PARTITION_INFORMATION& pi = (const PARTITION_INFORMATION&)*ipScratchBuf;
TInt64 volSz = MAKE_TINT64(pi.PartitionLength.HighPart, pi.PartitionLength.LowPart);
iDrvGeometry.iSizeInSectors = (TUint32)(volSz / iDrvGeometry.iBytesPerSector);
__LOG3(_L("#-- partition size, bytes:%LU (%uMB), sectors:%u"), volSz, (TUint32)(volSz>>20), iDrvGeometry.iSizeInSectors);
//-- check if the media size is set in coonfig and if we can use this setting.
if(aParams.iDrvGeometry.iSizeInSectors == 0)
{//-- do nothing, the media size is not set in the ini file, use existing media parameters
}
else if(aParams.iDrvGeometry.iSizeInSectors > iDrvGeometry.iSizeInSectors)
{//-- requested media size in ini file is bigger than physical media, error.
//-- we can't increase physical media size
__LOG2(_L("#-- CWinVolumeDevice::Connect() 'MediaSizeSectors' value from config:%d > than physical:%d !"), aParams.iDrvGeometry.iSizeInSectors, iDrvGeometry.iSizeInSectors);
Disconnect();
return KErrArgument;
}
else if(aParams.iDrvGeometry.iSizeInSectors < iDrvGeometry.iSizeInSectors)
{//-- settings specify smaller media than physical one, adjust the size
__PRINT1(_L("#-- reducing media size to %d sectors"), aParams.iDrvGeometry.iSizeInSectors);
iDrvGeometry.iSizeInSectors = aParams.iDrvGeometry.iSizeInSectors;
}
ASSERT(iDrvGeometry.iSizeInSectors > KMinMediaSizeInSectors);
return KErrNone;
}
/**
Set or reset "VolumeClean" (ClnShutBitmask) flag.
@param aClean if ETrue, marks the volume as clean, otherwise as dirty.
@leave if write error occured.
*/
void CFatMountCB::SetVolumeCleanL(TBool aClean)
{
//-- The volume can't be set clean if there are disk access objects opened on it. This precondition must be checked before calling this function
if(aClean && Locked())
{
__PRINT1(_L("#- CFatMountCB::SetVolumeCleanL drive:%d isn't free!"),DriveNumber());
ASSERT(0);
User::Leave(KErrInUse);
return;
}
if(FatType() == EFat12)
{//-- Fat12 doesn't support this feature; do nothing other than notify the underlying drive (ignoring any error for now as there's nothing we can do with it)
(void)LocalDrive()->Finalise(aClean);
return;
}
//-- further read and write will be directly from the CProxyDrive, bypassing FAT cache.
//-- this is because CFatTable doesn't allow access to FAT[0] & FAT[1]
//-- We also need to write data through CProxyDrive, because TDriveInterface has a call back that can call this method
if(Is32BitFat())
{//-- Fat32
__PRINT2(_L("#- CFatMountCB::SetVolumeCleanL, drive:%d, param:%d, FAT32"),DriveNumber(), aClean);
TFat32Entry fatEntry;
const TInt KFatEntrySize=sizeof(fatEntry); //-- FAT entry size in bytes
TPtr8 ptrFatEntry((TUint8*)&fatEntry,KFatEntrySize);
User::LeaveIfError(LocalDrive()->Read(StartOfFatInBytes()+KFatEntrySize, KFatEntrySize, ptrFatEntry)); //read FAT32[1] entry
const TFat32Entry tmp = fatEntry;
if(aClean)
fatEntry |= KFat32CleanShutDownMask; //-- set ClnShutBit flag
else
fatEntry &= ~KFat32CleanShutDownMask; //-- reset ClnShutBit flag
if(tmp != fatEntry)
{//-- write FAT[1] entry to all available FATs
for(TUint32 i=0; i<NumberOfFats(); ++i)
{
const TInt64 pos = StartOfFatInBytes()+KFatEntrySize+(FatSizeInBytes()*i);
User::LeaveIfError(LocalDrive()->Write(pos, ptrFatEntry)); //write FAT32[1] entry
}
}
__PRINT2(_L("#- CFatMountCB::SetVolumeCleanL() entry: %x->%x"), tmp, fatEntry);
}
else
if(Is16BitFat())
{//-- Fat16.
__PRINT2(_L("#- CFatMountCB::SetVolumeCleanL, drive:%d, param:%d, FAT16"),DriveNumber(), aClean);
if(FatConfig().FAT16_UseCleanShutDownBit())
{
TFat16Entry fatEntry;
const TInt KFatEntrySize=sizeof(fatEntry); //-- FAT entry size in bytes
TPtr8 ptrFatEntry((TUint8*)&fatEntry,KFatEntrySize);
User::LeaveIfError(LocalDrive()->Read(StartOfFatInBytes()+KFatEntrySize, KFatEntrySize, ptrFatEntry)); //read FAT16[1] entry
const TFat16Entry tmp = fatEntry;
if(aClean)
fatEntry |= KFat16CleanShutDownMask; //-- set ClnShutBit flag
else
fatEntry &= ~KFat16CleanShutDownMask; //-- reset ClnShutBit flag
if(tmp != fatEntry)
{//-- write FAT[1] entry to all available FATs
for(TUint32 i=0; i<NumberOfFats(); ++i)
{
const TInt64 pos = StartOfFatInBytes()+KFatEntrySize+(FatSizeInBytes()*i);
User::LeaveIfError(LocalDrive()->Write(pos, ptrFatEntry)); //write FAT16[1] entry
}
}
__PRINT2(_L("#- CFatMountCB::SetVolumeCleanL() entry: %x->%x"), tmp, fatEntry);
}
else
{
__PRINT(_L("#- changing FAT16[1] is disabled in config!"));
}
}
else
{//-- must never get here
ASSERT(0);
}
//-- Notify the underlying media that the mount is consistent (ignoring any error for now as there's nothing we can do with it)
(void)LocalDrive()->Finalise(aClean);
}
//===================Signal handler================
void TerminalHandler(int signal)
{
__PRINT("Got a terminal signal, stopping\n", NULL);
Running = false;
}
/**
Mount a Fat volume.
@param aForceMount Flag to indicate whether mount should be forced to succeed if an error occurs
@leave KErrNoMemory,KErrNotReady,KErrCorrupt,KErrUnknown.
*/
void CFatMountCB::MountL(TBool aForceMount)
{
const TInt driveNo = Drive().DriveNumber();
__PRINT3(_L("CFatMountCB::MountL() drv:%d, forceMount=%d, RuggedFAT:%d\n"), driveNo, aForceMount, IsRuggedFSys());
ASSERT(State() == ENotMounted || State() == EDismounted);
SetState(EMounting);
SetReadOnly(EFalse);
User::LeaveIfError(CreateDrive(driveNo));
//-- read FAT configuration parameters from estart.txt
iFatConfig.ReadConfig(driveNo);
//-- initialise interface to the low-level drive access
if(!iDriverInterface.Init(this))
User::LeaveIfError(KErrNoMemory);
//-- get drive capabilities
TLocalDriveCapsV2Buf capsBuf;
User::LeaveIfError(LocalDrive()->Caps(capsBuf));
iSize=capsBuf().iSize;
iRamDrive = EFalse;
if(capsBuf().iMediaAtt & KMediaAttVariableSize)
{//-- this is a RAM drive
UserSvr::UnlockRamDrive();
iRamDrive = ETrue;
}
if(aForceMount)
{//-- the state is "forcedly mounted", special case. This is an inconsistent state.
SetState(EInit_Forced);
return;
}
//-- read boot sector. If main is damaged, try to use backup one instead if this is not a RAM drive.
TFatBootSector bootSector;
User::LeaveIfError(ReadBootSector(bootSector, iRamDrive));
//-- print out boot sector debug information
bootSector.PrintDebugInfo();
//-- determine FAT type by data from boot sector. This is done by counting number of clusters, not by BPB_RootEntCnt
SetFatType(bootSector.FatType());
ASSERT(iFatType != EInvalid); //-- this shall be checked in ReadBootSector()
if(bootSector.RootDirEntries() == 0 && !Is32BitFat())
{//-- FAT types mismatch. BPB_RootEntCnt is 0, which can be only for FAT32, but the number of clusters is less
//-- than required for FAT32. Probably this is incorrectly FAT32 formatted media. Put the drive into ReadOnly mode, assuming
//-- that is FAT32.
__PRINT(_L("FAT type mismatch! Setting drive to ReadOnly mode for FAT32. \n"));
SetFatType(EFat32); //-- force FAT type to be FAT32
SetReadOnly(ETrue);
}
//-- store volume UID, it can be checked on Remount
iUniqueID = bootSector.UniqueID();
//-- populate volume parameters with the values from boot sector. They had been validated in TFatBootSector::IsValid()
iVolParam.Populate(bootSector);
//-- initialize the volume
InitializeL(capsBuf());
ASSERT(State()==EInit_R);
GetVolumeLabelFromDiskL(bootSector);
__PRINT2(_L("CFatMountCB::MountL() Completed, drv: %d, state:%d"), DriveNumber(), State());
}
/**
Implementation of pure virtual function.
@see MWTCacheInterface::WriteL()
*/
void CDynamicDirCache::WriteL(TInt64 aPos,const TDesC8& aDes)
{
#ifdef _DEBUG
if(iCacheDisabled)
{
// cache is disabled for debug purposes
__PRINT(_L("CDynamicDirCache disabled"));
User::LeaveIfError(iDrive.WriteCritical(aPos,aDes));
return;
}
#endif //_DEBUG
TUint32 dataLen = aDes.Size();
const TUint8* pData = aDes.Ptr();
const TUint32 PageSz = iPageSizeInBytes; //-- cache page size
TInt64 pageStartMedPos = CalcPageStartPos(aPos);
TUint32 bytesToPageEnd = (TUint32)(pageStartMedPos + PageSz - aPos);
// __PRINT5(_L("CDynamicDirCache::WriteL: aPos=%lx, aLength=%x, page:%lx, pageSz:%x, bytesToPageEnd=%x"), aPos, dataLen, pageStartMedPos, PageSz, bytesToPageEnd);
if(dataLen <= bytesToPageEnd)
{
WriteDataOntoSinglePageL(aPos, pData, dataLen);
}
else
{
__PRINT(_L("CDynamicDirCache::WriteL() CROSS PAGE!"));
//-- Data to be written cross cache page boundary or probably we have more than 1 page to write
TInt64 currMediaPos(aPos);
//-- 1. update the current page
WriteDataOntoSinglePageL(currMediaPos, pData, bytesToPageEnd);
pData += bytesToPageEnd;
currMediaPos += bytesToPageEnd;
dataLen -= bytesToPageEnd;
//-- 2. write whole pages of data to the cache
while (dataLen >= PageSz)
{
WriteDataOntoSinglePageL(currMediaPos, pData, PageSz);
pData += PageSz;
currMediaPos += PageSz;
dataLen -= PageSz;
}
//-- 3. write the rest of the data
if(dataLen > 0)
{
WriteDataOntoSinglePageL(currMediaPos, pData, dataLen);
}
}// else(dataLen <= bytesToPageEnd)
//-- write data to the media
const TInt nErr = iDrive.WriteCritical(aPos,aDes);
if(nErr != KErrNone)
{//-- some serious problem occured during writing, invalidate cache.
InvalidateCache();
User::Leave(nErr);
}
}
/**
Open a drive for formatting.
*/
TInt FsFormatOpen(CFsRequest* aRequest)
{
TDrive& drive = *aRequest->Drive();
__PRINT1(_L("FsFormatOpen() drv:%d"), drive.DriveNumber());
TInt nMountRes = drive.CheckMount();
//-- KErrNotReady means that there is no file system mounted on this drive
//-- KErrInUse means that there are some "disk access" objects, like RFormat or RRawDisk opened on the mount.
if(nMountRes == KErrNotReady || nMountRes == KErrInUse)
{
__PRINT1(_L("FsFormatOpen() ChkMount:%d"), nMountRes);
return nMountRes;
}
const TFormatMode fmtMode = (TFormatMode)aRequest->Message().Int1();
TName buf;
TUint32 currFsNameHash = 0; //-- current file system name hash, 0 means "not set"; used during forced FS dismounting
if((nMountRes == KErrNone) && drive.CurrentMount().LockStatus() < 0)
{//-- the mount is locked, it has normal objects (files, directories) opened on it.
//-- if someone is interested in the list of opened files and number of opened directories, compile this code in.
#ifdef DUMP_OPENED_OBJECTS
DumpOpenedObjects(drive);
#endif //DUMP_OPENED_OBJECTS
if(!(fmtMode & EForceFormat))
{
__PRINT(_L("FsFormatOpen() The mount is in use"));
return KErrInUse;
}
//-- there is a special flag that tells to force media dismounting even if it has files or dirs opened.
__PRINT(_L("FsFormatOpen() The mount is in use, forcing dismounting!"));
//-- record currently mounted FS name hash, it may be used after forced dismounting
drive.CurrentMount().FileSystemName(buf); //-- the iCurrentMount is alive
currFsNameHash = TVolFormatParam::CalcFSNameHash(buf);
//-- kill the current mount
FsThreadManager::LockDrive(drive.DriveNumber());
TInt nRes = drive.ForceUnmountFileSystemForFormatting();
FsThreadManager::UnlockDrive(drive.DriveNumber());
switch(nRes)
{
case KErrInUse:
__PRINT(_L("FsFormatOpen() The mount has clamps! Can't force dismount"));
return KErrInUse; //-- there are clamps on this drive - can't dismount
case KErrNone:
break;
default:
ASSERT(0); //-- unexpected error code
return nRes;
};
if(fmtMode & EQuickFormat)
{//-- quick format may require the normally mounted FS, make the best effrot to mount it
nMountRes = drive.CheckMount();
}
else
{//-- this will make the FS mounted by force; for full format it will be quicker
nMountRes = KErrCorrupt;
}
}
//-- if True, we will need mount (probably specific) file system by force because normal mounting has failed
TBool bNeedForceMount = (nMountRes != KErrNone);
//-- find out if we have optional data structure that describes format parameter
TUint32 newFsNameHash = 0; //-- file system name hash, may be used for selecting which file system to put onto the volume. 0 means "not specified"
const TLDFormatInfo* pLDFormatInfo = NULL;
const TVolFormatParam* pVolFormatParam = NULL;
__ASSERT_COMPILE(sizeof(TVolFormatParam) >= sizeof(TLDFormatInfo));
TBuf8<sizeof(TVolFormatParam)> paramBuf;
if(fmtMode & ESpecialFormat)
{
//-- the user has provided format parameters structure.
//-- IPC argument #2 contains a structure: <TUint32>[optional package descriptor]
//-- where 1st mandatory TUint32 is a pointer to format counter and the optional additional package is a data structure passed to the filesystem by the client of RFormat
const TInt desLen = aRequest->GetDesLength(KMsgPtr2);
ASSERT((TUint32)desLen >= sizeof(TUint32));
const TInt dataPckgLen = desLen - sizeof(TUint32);
if((TUint32)dataPckgLen > sizeof(TUint32))
{
aRequest->ReadL(KMsgPtr2, paramBuf);
}
if(dataPckgLen == sizeof(TLDFormatInfo))
{//-- the user has provided formatting parameters via TLDFormatInfo structure.
pLDFormatInfo = (const TLDFormatInfo*)(paramBuf.Ptr() + sizeof(TUint32));
}
else if(dataPckgLen == sizeof(TVolFormatParam))
{//-- it's likely to be TVolFormatParam, need to check UId to be sure.
pVolFormatParam = (const TVolFormatParam*)(const TVolFormatParam*)(paramBuf.Ptr() + sizeof(TUint32));
if(pVolFormatParam->iUId == TVolFormatParam::KUId) //-- check the class UID
{//-- this is the real TVolFormatParam object passed
newFsNameHash = pVolFormatParam->FSNameHash();
}
}
else if(dataPckgLen >0)
{//-- parameters data structure has strange length
return KErrArgument;
}
}
//-------------------
if(!newFsNameHash && currFsNameHash)
{//-- new file system name isn't specified (default formatting), but the volume had been forcedly dismounted.
//-- restore the original file system
newFsNameHash = currFsNameHash;
}
if(newFsNameHash)
{//-- check if the specified FS is already mounted on the volume
if(!bNeedForceMount)
{
drive.CurrentMount().FileSystemName(buf); //-- the iCurrentMount is alive
}
else
{ //-- the iCurrentMount can be NULL, use the iFsys - the real file system associated with this drive
buf = drive.GetFSys()->Name();
}
const TUint32 currFSNameHash = TVolFormatParam::CalcFSNameHash(buf);
if(currFSNameHash == newFsNameHash)
{//-- no need to do anything, the required FS is already mounted
newFsNameHash = 0;
}
}
if(newFsNameHash)
{
//-- the user has specified some filesystem to be mounted on the volume. Check if this FS is supported at all.
//-- if it is supported, but some other FS is currently mounted, it will be dismounted and the new one will be forced.
TInt nRes;
for(TInt cntFS=0; ;++cntFS)
{
nRes = drive.FSys().GetSupportedFileSystemName(cntFS, buf); //-- enumerate possible child file systems
if(nRes != KErrNone)
return KErrNotSupported; //-- the filesystem with the given name (fsNameHash) is not supported.
if(newFsNameHash == TVolFormatParam::CalcFSNameHash(buf))
{//-- the filesystem with the given name (fsNameHash) is supported, but some other filesystem can be already mounted
drive.Dismount();
bNeedForceMount = ETrue; //-- this will force the desired FS to be mounted
break;
}
}
}//if(fsNameHash)
//-- try force mounting the desired file system if it is required
if(bNeedForceMount)
{
const TInt KMaxRetries = 3;
for(TInt cnt=0; ; ++cnt)
{
drive.MountFileSystem(ETrue, newFsNameHash);
nMountRes = drive.GetReason();
if(nMountRes == KErrNone || nMountRes == KErrLocked)
break;
drive.Dismount(); //-- will reset mount retries counter
if(cnt >= KMaxRetries)
{
__PRINT1(_L("FsFormatOpen() can't mount FS! res:%d"), nMountRes);
return nMountRes;
}
}
}
ASSERT(nMountRes == KErrNone || nMountRes == KErrLocked);
__ASSERT_DEBUG(drive.CurrentMount().LockStatus()==0, Fault(ESvrFormatOpenFailed));
TDriveInfo dInfo;
drive.DriveInfo(dInfo);
const TInt mediaAtt = dInfo.iMediaAtt;
#if defined(_LOCKABLE_MEDIA)
if (!(fmtMode & EForceErase) && (mediaAtt & KMediaAttLocked))
{
// if attempting to format a locked drive, dismount otherwise subsequent
// requests will operate on a mount that has been forcibly mounted (a few lines above)
CMountCB* pM = &drive.CurrentMount();
if(pM)
pM->Close();
drive.MountFileSystem(EFalse); // clear iCurrentMount
return KErrLocked;
}
#endif
if (!(mediaAtt & KMediaAttFormattable) || (mediaAtt & KMediaAttWriteProtected))
{
CMountCB* pM = &drive.CurrentMount();
if(pM)
pM->Close();
drive.MountFileSystem(EFalse);
return KErrAccessDenied;
}
//-- instantinate and open CFormatCB object for this drive
CFormatCB* formatCB=NULL;
TInt fmtHandle;
TRAPD(ret, formatCB = drive.FormatOpenL(aRequest, fmtHandle, fmtMode, pLDFormatInfo, pVolFormatParam ));
if (ret!=KErrNone)
{
if(formatCB)
formatCB->Close();
return ret;
}
TPtrC8 pH((TUint8*)&fmtHandle,sizeof(TInt));
aRequest->WriteL(KMsgPtr3,pH);
TInt count=100;
TPtrC8 pCount((TUint8*)&count,sizeof(TInt));
aRequest->WriteL(KMsgPtr2,pCount);
aRequest->Session()->IncResourceCount();
return KErrNone;
}
/*********************************************************************************************************
** Function name: Recv
** Descriptions: get data, return length of data
*********************************************************************************************************/
unsigned char LightCom::Recv(unsigned char *rDta)
{
int count = rawLen;
int count_data = 0;
unsigned char revData[20];
count_data = (count)/9; // here
cmpOneZero = COMONE;
for(int i = 0; i<count_data; i++)
{
unsigned char tmp = 0;
for(int j = 1; j<25; j++)
{
if(REVOK == checkCrc(&rawBuf[9*i], cmpOneZero, &tmp))
{
#if __DEBUG
__PRINTLN("CRC OK");
__PRINT("tmp = ");
__PRINTLN(tmp);
#endif
revData[i+D_DATA] = tmp;
break;
}
else
{
if(j%2 == 0)
{
cmpOneZero += j;
}
else
{
cmpOneZero -= j;
}
#if __DEBUG
__PRINTLN("**********HERE***********");
__PRINT("cmpOneZero = ");
__PRINTLN(cmpOneZero);
__PRINTLN("**********HERE***********");
#endif
}
}
}
revData[D_DATALEN] = count_data;
for(int i = 0; i<revData[D_DATALEN]; i++)
{
rDta[i] = revData[D_DATA+i];
}
#if __DEBUG
__PRINT("\r\n*************************************************************\r\n");
__PRINT("data_len = ");
__PRINTLN(revData[D_DATALEN]);
for(int i = 0; i<revData[D_DATALEN]; i++)
{
__PRINT(revData[D_DATA+i]);__PRINT("\t");
}
__PRINT("\r\n*************************************************************\r\n");
#endif
clear(); // Receive the next value
return revData[D_DATALEN];
}