/**
Constructs DCommsbuf based upon underlying shared buffer.
Should be constructed in kernel private memory not in place in the buffer.
Offset defaults to zero and length to the maximum length
@param aShBuf Underlying shared buffer
@param aCommsPoolHandle Opaque user side handle (as discovered through driver interface)
*/
DCommsBuf::DCommsBuf(TShBuf* aShBuf, TInt aCommsPoolHandle, TInt aBufSize)
{
__ASSERT_COMPILE(sizeof(TCommsBuf) == TCommsBuf::KCommsBufMetadataSize);
__ASSERT_COMPILE(sizeof(DCommsBuf) == sizeof(TCommsBuf));
__ASSERT_DEBUG(aCommsPoolHandle, KernCommsBuf::Fault(ECommsBufMetadataCorrupt));
iFrontCanary = KCanaryDefault;
TUint8* shBufPtr = Kern::ShBufPtr(aShBuf);
iShBuf = aShBuf;
iCommsBufPtr = shBufPtr + aBufSize;
iRawDataOffset = -aBufSize;
iOffset = iRawDataOffset;
iRawSize = aBufSize;
iLength = aBufSize;
iNext = NULL;
iPool = aCommsPoolHandle;
iHandle = 0;
iReservedWords[0] = 0;
iReservedWords[1] = 0;
iReservedWords[2] = 0;
iReservedWords[3] = 0;
iReservedWords[4] = 0;
iBackCanary = KCanaryDefault;
}
/**
Constructs the server object, specifying the server type and the active
object priority.
Derived classes must define and implement a constructor through which
the priority can be specified. A typical implementation calls this server
base class constructor through a constructor initialization list.
@param aPriority The priority of this active object.
@param aType Indicates the type of session that the server creates.
If not explicitly stated, then the server creates
a session that is not sharable with other threads.
*/
EXPORT_C CServer2::CServer2(TInt aPriority, TServerType aType)
: CActive(aPriority),
iSessionType((TUint8)aType),
iSessionQ(_FOFF(CSession2,iLink)),
iSessionIter(iSessionQ)
{
ASSERT(iSessionType == aType);
__ASSERT_COMPILE(EServerRole_Default == 0);
__ASSERT_COMPILE(EServerOpt_PinClientDescriptorsDefault == 0);
}
/** Initialise this interface.
This must be called before any call to OpenL(), to ensure that the
RProperties it uses are correctly initialised.
*/
EXPORT_C void RLbsNetworkPositionUpdates::InitializeL()
{
// There is an assumption that TPositionSatelliteInfo is the biggest
// class to be sent over this interface, so double-check
__ASSERT_COMPILE(sizeof(TPositionSatelliteInfo) >= sizeof(TPositionInfo));
__ASSERT_COMPILE(sizeof(TPositionSatelliteInfo) >= sizeof(TPositionCourseInfo));
TSecurityPolicy readPolicy(ECapabilityLocation);
TSecurityPolicy writePolicy(ECapabilityWriteDeviceData);
// Network reference position property
TInt err = RProperty::Define(KNetworkReferencePositionUpdateKey,
RProperty::ELargeByteArray,
readPolicy,
writePolicy,
sizeof(TLbsPositionUpdateData));
if (err != KErrNone && err != KErrAlreadyExists)
{
User::Leave(err);
}
// Network final position property
err = RProperty::Define(KNetworkFinalPositionUpdateKey,
RProperty::ELargeByteArray,
readPolicy,
writePolicy,
sizeof(TLbsPositionUpdateData));
if (err != KErrNone && err != KErrAlreadyExists)
{
User::Leave(err);
}
// Set default values for the properties
TLbsPositionUpdateData defaultData;
defaultData.iError = KErrNotFound;
defaultData.iTargetTime = 0;
defaultData.iActualTime = 0;
// indicate that the property is ok, but contains no data.
defaultData.iValidData = EFalse;
TLbsPositionUpdateDataPckgC pckg(defaultData);
User::LeaveIfError(RProperty::Set(RProcess().SecureId(),
KNetworkReferencePositionUpdateKey,
pckg));
User::LeaveIfError(RProperty::Set(RProcess().SecureId(),
KNetworkFinalPositionUpdateKey,
pckg));
// Save the Uid of the process which called InitializeL()
// in the cenrep file owned by LbsRoot.
SetCategoryUidL(KNetworkPositionUpdateCategoryKey,
RProcess().SecureId());
}
TInt DMemModelProcess::DoCreate(TBool aKernelProcess, TProcessCreateInfo& aInfo)
{
// Required so we can detect whether a process has been created and added
// to its object container by checking for iContainerID!=EProcess.
__ASSERT_COMPILE(EProcess != 0);
__KTRACE_OPT(KPROC,Kern::Printf(">DMemModelProcess::DoCreate %O",this));
TInt r=KErrNone;
if (aKernelProcess)
{
iAttributes |= ESupervisor;
iOsAsid = KKernelOsAsid;
}
else
{
r = MM::AddressSpaceAlloc(iPageDir);
if (r>=0)
{
iOsAsid = r;
r = KErrNone;
}
}
if (r == KErrNone)
{// Add this process's own reference to its os asid.
__e32_atomic_store_ord32(&iOsAsidRefCount, 1);
}
#ifdef BTRACE_FLEXIBLE_MEM_MODEL
BTrace8(BTrace::EFlexibleMemModel,BTrace::EAddressSpaceId,this,iOsAsid);
#endif
__KTRACE_OPT(KPROC,Kern::Printf("OS ASID=%d, PD=%08x",iOsAsid,iPageDir));
__KTRACE_OPT(KPROC,Kern::Printf("<DMemModelProcess::DoCreate %d",r));
return r;
}
//
// Location Response Message to PSY
//
EXPORT_C TLbsCellLocationResponseMsg::TLbsCellLocationResponseMsg(const TLbsNetSessionIdInt& aSessionId,
TInt aReason,
const TPositionInfoBase& aPosInfo):
TLbsNetInternalMsgBase(ECellLocationResponse,
sizeof(TLbsCellLocationResponseMsg),
aSessionId)
{
// Must make sure that the data to be stored is not bigger than the buffer.
__ASSERT_COMPILE(sizeof(TLbsCellLocationResponseMsg) <= KMaximumMessageSizeBytes);
iReason = aReason;
// Check that the type of aPosInfo is valid
TUint32 type = aPosInfo.PositionClassType();
if (((type & EPositionInfoUnknownClass) != EPositionInfoUnknownClass)
&& ((type & EPositionInfoClass) != EPositionInfoClass)
&& ((type & EPositionCourseInfoClass) != EPositionCourseInfoClass)
&& ((type & EPositionSatelliteInfoClass) != EPositionSatelliteInfoClass)
&& ((type & EPositionExtendedSatelliteInfoClass) != EPositionExtendedSatelliteInfoClass))
{
User::Panic(_L("LbsNetInternal"), 1);
}
// The TPositionInfoBase is just the base class, so we need to copy over
// the data from the actual concrete class type.
__ASSERT_DEBUG(aPosInfo.PositionClassSize() <= sizeof(TPositionExtendedSatelliteInfo), User::Invariant());
Mem::Copy(&iPosInfo, &aPosInfo, aPosInfo.PositionClassSize());
}
CTRenderOrientation::CTRenderOrientation()
{
// check that these two enums are aligned
__ASSERT_COMPILE(EDisplayOrientationAuto == ENumWindowSets);
SetTestStepName(KTRenderOrientation);
}
/**
Verifies that the buffer contains a structurally correct command.
This does not ensure that the content of the command is semantically valid.
@param aCommmand A new HL2CapCommand if the buffer contains a structurally valid command.
@param aBuffer The buffer containing the command
@return KErrNone if the command if created.
KErrNoMemory if the command structure is valid but cannot be created.
KErrCorrupt if the command structure is invalid.
*/
TInt HDisconnectRequest::NewCommandIfValid(RMBufChain& aBuffer, HL2CapCommand*& aCommand)
{
LOG_STATIC_FUNC
// Firstly align the MBufChain. The maximum size we can align the
// MBufChain to is the maximum MBuf size
__ASSERT_COMPILE(KDisconnectRequestLength <= KMBufSmallSize);
TInt length = aBuffer.Length();
if(length == KDisconnectRequestLength)
{
// Don't need to check result as we know that the MBufChain contains
// at least length bytes as we asked first.
(void)aBuffer.Align(length);
aCommand = new HDisconnectRequest(aBuffer);
if(aCommand)
{
return KErrNone;
}
else
{
return KErrNoMemory;
}
}
else
{
// Dodge length!
return KErrCorrupt;
}
}
void CCommSession::AddPlayerToDisconnectList(TWorkerId aPlayerId)
{
__ASSERT_COMPILE(TC32WorkerThreadPublicInfo::EMaxWorkerThreadId < 32); // Using a TUint32 as a flag container
ASSERT(aPlayerId <= TC32WorkerThreadPublicInfo::EMaxWorkerThreadId);
__FLOG_STMT(
if(!IsPlayerInDisconnectList(aPlayerId))
{
C32LOG3(KC32Detail, _L8("CCommSession(%08x):\tAddPlayerToDisconnectList(%d)"), this, aPlayerId );
}
)
EXPORT_C TT_LbsAGpsRequestForcedUpdate::TT_LbsAGpsRequestForcedUpdate()
: TT_LbsMsgBase(EModuleRequestForcedUpdate)
{
// Must make sure that the data to be stored is not bigger than the buffer.
__ASSERT_COMPILE(sizeof(ST_LbsAGpsRequestForcedUpdate) <= sizeof(iBuffer));
// In-place construction of the data member
new(&Data()) ST_LbsAGpsRequestForcedUpdate;
ST_LbsAGpsRequestForcedUpdate& data = Data();
}
//
// Location Cancel Message from PSY
//
EXPORT_C TLbsCellLocationCancelMsg::TLbsCellLocationCancelMsg(const TLbsNetSessionIdInt& aSessionId,
TInt aReason):
TLbsNetInternalMsgBase(ECellLocationCancel,
sizeof(TLbsCellLocationCancelMsg),
aSessionId)
{
// Must make sure that the data to be stored is not bigger than the buffer.
__ASSERT_COMPILE(sizeof(TLbsCellLocationCancelMsg) <= KMaximumMessageSizeBytes);
iReason = aReason;
}
EXPORT_C TLbsNetLocNetworkLocationCompleteMsg::TLbsNetLocNetworkLocationCompleteMsg(
const TLbsNetSessionIdInt& aSessionId,
TInt aReason) :
TLbsNetLocMsgBase(ENetLocMsgNetworkLocationComplete,
sizeof(TLbsNetLocNetworkLocationCompleteMsg),
aSessionId)
{
// Must make sure that the data to be stored is not bigger than the buffer.
__ASSERT_COMPILE(sizeof(TLbsNetLocNetworkLocationCompleteMsg) <= KMaximumMessageSizeBytes);
iReason = aReason;
}
///////////////////////////////////////////////////////////////////////////////
// Test A-Gps Module Request Options
///////////////////////////////////////////////////////////////////////////////
EXPORT_C TT_LbsAGpsRequestOptions::TT_LbsAGpsRequestOptions(TLbsHybridModuleOptions aModuleOption)
: TT_LbsMsgBase(EModuleRequestOptions)
{
// Must make sure that the data to be stored is not bigger than the buffer.
__ASSERT_COMPILE(sizeof(ST_LbsAGpsRequestOptions) <= sizeof(iBuffer));
// In-place construction of the data member
new(&Data()) ST_LbsAGpsRequestOptions;
ST_LbsAGpsRequestOptions& data = Data();
data.iModuleOption = aModuleOption;
}
//
// Location Request Message from PSY
//
EXPORT_C TLbsCellLocationRequestMsg::TLbsCellLocationRequestMsg(const TLbsNetSessionIdInt& aSessionId,
TUid aProtocolModule,
const TLbsNetPosRequestOptionsInt& aOptions) :
TLbsNetInternalMsgBase(ECellLocationRequest,
sizeof(TLbsCellLocationRequestMsg),
aSessionId)
{
// Must make sure that the data to be stored is not bigger than the buffer.
__ASSERT_COMPILE(sizeof(TLbsCellLocationRequestMsg) <= KMaximumMessageSizeBytes);
iProtocolModule = aProtocolModule;
iOptions = aOptions;
}
EXPORT_C TT_LbsAGpsResponseMsg::TT_LbsAGpsResponseMsg(const TModuleResponseType& aResponse)
: TT_LbsMsgBase(EModuleResponse)
{
// Must make sure that the data to be stored is not bigger than the buffer.
__ASSERT_COMPILE(sizeof(ST_LbsAGpsResponse) <= sizeof(iBuffer));
// In-place construction of the data member
new(&Data()) ST_LbsAGpsResponse;
ST_LbsAGpsResponse& data = Data();
data.iResponseType = aResponse;
}
///////////////////////////////////////////////////////////////////////////////
// Test A-Gps Module Request Error
///////////////////////////////////////////////////////////////////////////////
EXPORT_C TT_LbsAGpsRequestError::TT_LbsAGpsRequestError(TInt aError)
: TT_LbsMsgBase(EModuleRequestError)
{
// Must make sure that the data to be stored is not bigger than the buffer.
__ASSERT_COMPILE(sizeof(ST_LbsAGpsRequestError) <= sizeof(iBuffer));
// In-place construction of the data member
new(&Data()) ST_LbsAGpsRequestError;
ST_LbsAGpsRequestError& data = Data();
data.iError = aError;
}
EXPORT_C TT_LbsAGpsRequestTimeOut::TT_LbsAGpsRequestTimeOut(const TTimeIntervalMicroSeconds& aTimeOut)
: TT_LbsMsgBase(EModuleRequestTimeOut)
{
// Must make sure that the data to be stored is not bigger than the buffer.
__ASSERT_COMPILE(sizeof(ST_LbsAGpsRequestTimeOut) <= sizeof(iBuffer));
// In-place construction of the data member
new(&Data()) ST_LbsAGpsRequestTimeOut;
ST_LbsAGpsRequestTimeOut& data = Data();
data.iTimeOut = aTimeOut;
}
EXPORT_C void CPolicyServer::ProcessError(const RMessage2& aMsg, TInt aError)
{
__ASSERT_COMPILE(-1 == RMessage2::EConnect);
__ASSERT_ALWAYS(aMsg.Function() >= RMessage2::EConnect, User::Panic(KPolicyServer, 2));
if(aMsg.Authorised() && aMsg.Function() >= 0)
{
aMsg.Session()->ServiceError(aMsg, aError);
}
else //Either ServiceL hadn't been called yet (not (yet) authorised) or
//it's a Connect message
{
aMsg.Complete(aError);
}
}
EXPORT_C TLbsNetLocNetworkLocationRequestMsg::TLbsNetLocNetworkLocationRequestMsg(
const TLbsNetSessionIdInt& aSessionId,
TBool aNewClient,
TLbsNetPosRequestQualityInt aQuality) :
TLbsNetLocMsgBase(ENetLocMsgNetworkLocationRequest,
sizeof(TLbsNetLocNetworkLocationRequestMsg),
aSessionId)
{
// Must make sure that the data to be stored is not bigger than the buffer.
__ASSERT_COMPILE(sizeof(TLbsNetLocNetworkLocationRequestMsg) <= KMaximumMessageSizeBytes);
iNewClient = aNewClient;
iQuality = aQuality;
}
///////////////////////////////////////////////////////////////////////////////
// Test A-Gps Module Request Update Initialization Message
///////////////////////////////////////////////////////////////////////////////
EXPORT_C TT_LbsAGpsRequestUpdateInitMsg::TT_LbsAGpsRequestUpdateInitMsg(const TDesC& aConfigFileName, const TDesC& aConfigSection)
: TT_LbsMsgBase(EModuleRequestUpdateInit)
{
// Must make sure that the data to be stored is not bigger than the buffer.
__ASSERT_COMPILE(sizeof(ST_LbsAGpsRequestUpdateInit) <= sizeof(iBuffer));
// In-place construction of the data member
new(&Data()) ST_LbsAGpsRequestUpdateInit;
ST_LbsAGpsRequestUpdateInit& data = Data();
data.iConfigFileName = aConfigFileName;
data.iConfigSection = aConfigSection;
}
//static
bool QFileSystemEngine::setCurrentPath(const QFileSystemEntry &entry)
{
QFileSystemMetaData meta;
QFileSystemEntry absname = absoluteName(entry);
fillMetaData(absname, meta, QFileSystemMetaData::ExistsAttribute | QFileSystemMetaData::DirectoryType);
if(!(meta.exists() && meta.isDirectory()))
return false;
RFs& fs = qt_s60GetRFs();
QString abspath = absname.nativeFilePath();
if(!abspath.endsWith(QLatin1Char('\\')))
abspath.append(QLatin1Char('\\'));
TInt r = fs.SetSessionPath(qt_QString2TPtrC(abspath));
//SetSessionPath succeeds for non existent directory, which is why it's checked above
if (r == KErrNone) {
__ASSERT_COMPILE(sizeof(wchar_t) == sizeof(unsigned short));
//attempt to set open C to the same path
r = ::wchdir(reinterpret_cast<const wchar_t *>(absname.filePath().utf16()));
if (r < 0)
qWarning("failed to sync path to open C");
return true;
}
return false;
}
EXPORT_C void CPolicyServer::RunL()
{
const RMessage2& msg = Message();
msg.ClearAuthorised();
TInt fn = msg.Function();
__ASSERT_COMPILE(-1 == RMessage2::EConnect);
if(fn >= RMessage2::EConnect)
//So this implies any "normal" message or Connect
//Now we have two steps to follow each having two mutually exculsive
//parts.
//Step 1: Find policy.
//Step 2: Apply policy.
{
const TPolicyElement* element = 0;
TUint specialCase = 0;
//1a: If its a normal message. Find the associate policy or special
//case action.
if(fn >= 0)
{
element = FindPolicyElement(fn, specialCase);
}
//1b: If its a connect message, there's a shortcut to the policy.
else
{
TUint8 i = iPolicy.iOnConnect;
if(i >= ESpecialCaseHardLimit)
specialCase = i;
else
element = &(iPolicy.iElements[i]);
}
//2a: We found a policy that we can automatically apply... Apply it!
if(element)
{
TSecurityInfo missing;
//If policy check succeeds, allow it through
if(element->iPolicy.CheckPolicy(msg, missing, __PSD("Checked by CPolicyServer::RunL")))
{
ProcessL(msg);
}
//Else see what failure action is required (return error code,
//panic client, ask user, etc...)
else
{
CheckFailedL(msg, element->iAction, missing);
}
}
//2b: The policy is a special case
else
{
switch(specialCase)
{
//If you change this you'll have to add to the switch statement
__ASSERT_COMPILE(ESpecialCaseLimit == 252u);
case ECustomCheck:
{
TInt action = EFailClient;
//The default action after failing a CustomSecurityCheck is
//to complete the message with KErrPermissionDenied. If
//you want a different action, then change the action
//parameter prior to returning from your derived
//implementation of CustomSecurityCheckL
TSecurityInfo missing;
__ASSERT_COMPILE(SCapabilitySet::ENCapW == 2);
memset(&missing, 0, sizeof(SSecurityInfo));
TCustomResult result = CustomSecurityCheckL(msg, action, missing);
if(result == EPass)
{
ProcessL(msg);
}
else if(result == EFail)
{
CheckFailedL(msg, action, missing);
}
else if(result == EAsync)
{
//Do Nothing. Derived CustomSecurityCheck is
//responsible for calling ProcessL/CheckFailedL
}
else
Panic(EPolSvrInvalidCustomResult);
}
break;
case ENotSupported:
msg.Complete(KErrNotSupported);
break;
case EAlwaysPass:
ProcessL(msg);
break;
default:
Panic(EPolSvrPolicyInvalid);
break;
}
}
}
//else it must be either Disconnect or bad message. Both are handled by
//ProcessL
else
{
ProcessL(msg);
}
// Queue reception of next message if it hasn't already been done
if(!IsActive())
ReStart();
}
/**
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;
}
void CMemSpyEngineHelperActiveObject::ExtractActiveObjectAddressesL( TAny* aSchedulerCellAddress, const TDesC8& aSchedulerCellData, CMemSpyEngineActiveObjectArray& aArray )
{
// Create read stream
RDesReadStream stream( aSchedulerCellData );
CleanupClosePushL( stream );
// First item is vtable
TUint address = stream.ReadUint32L();
//RDebug::Printf("CMemSpyEngineHelperActiveObject::ExtractActiveObjectAddressesL() - vtable: 0x%08x", address );
(void) address;
// Next item is CActiveScheduler::iStack - which we'll skip, because it might be a stack address
// I suppose we could validate this against the thread's stack address range, but can't be bothered
// at the moment.
address = stream.ReadUint32L();
//RDebug::Printf("CMemSpyEngineHelperActiveObject::ExtractActiveObjectAddressesL() - got CActiveScheduler::iStack as: 0x%08x", address);
(void) address;
// Then comes CActiveScheduler::iActiveQ - this is what we are interested in....
//
// class TPriQue : public TDblQueBase
// [TDblQueBase::iHead] - this just derives from TDblQueLinkBase and doesn't have any direct data members
// class TDblQueLink : public TDblQueLinkBase
// [ptr] TDblQueLinkBase::iNext*
// [ptr] TDblQueLinkBase::iPrev*
// [TInt] TDblQueBase::iOffset
__ASSERT_COMPILE( sizeof( TDblQueLinkBase* ) == sizeof(TUint) );
__ASSERT_COMPILE( sizeof( TInt ) == 4 );
// Get read offset so that we know the starting address of the queue
const TStreamPos pos = stream.Source()->TellL(MStreamBuf::ERead);
#ifdef __WINS__
const TAny* terminatingQueueAddress = (TAny*) (TUint(aSchedulerCellAddress) + pos.Offset());
#else
const TAny* terminatingQueueAddress = (TAny*) aSchedulerCellAddress;
#endif
const TAny* queueNext = (TAny*) stream.ReadUint32L();
const TAny* queuePrev = (TAny*) stream.ReadUint32L();
const TUint queueItemOffset = stream.ReadUint32L();
//RDebug::Printf("CMemSpyEngineHelperActiveObject::ExtractActiveObjectAddressesL() - queueNext: 0x%08x, queuePrev: 0x%08x, queueItemOffset: %d, pos: %d, terminatingQueueAddress: 0x%08x", queueNext, queuePrev, queueItemOffset, pos.Offset(), terminatingQueueAddress);
(void) queuePrev;
CleanupStack::PopAndDestroy( &stream );
// Iterate through the active objects
if ( queueNext != NULL )
{
TAny* realNextCellHeapCell = NULL;
TAny* calculatedCellAddress = ((TAny*) (TUint(queueNext) - queueItemOffset));
while( !( calculatedCellAddress == NULL || calculatedCellAddress == terminatingQueueAddress || realNextCellHeapCell == terminatingQueueAddress ) )
{
// Create an active object for this cell
TAny* nextCell = ReadActiveObjectDataL( calculatedCellAddress, aArray );
// Work out next cell address
calculatedCellAddress = ((TAny*) ( TUint( nextCell ) - queueItemOffset ) );
//RDebug::Printf("CMemSpyEngineHelperActiveObject::ExtractActiveObjectAddressesL() - calculatedCellAddress: 0x%08x, terminatingQueueAddress: 0x%08x", calculatedCellAddress, terminatingQueueAddress);
// Identify the next cell address
realNextCellHeapCell = ConvertAddressToRealHeapCellAddressL( nextCell );
}
}
}
EXPORT_C TT_LbsMsgBase::TT_LbsMsgBase() :
iType(EUnknown)
{
// Check that the internal buffer is 8-byte aligned.
__ASSERT_COMPILE((_FOFF(TT_LbsMsgBase, iBuffer) & 0x40) == 0x0);
}
