void CHttpCacheManager::ApplyCacheOverridesL(CRepository& aRepository, const TUint32& aSecIdInt, TBool& aCacheEnabled, TInt& aCacheSize, TBool& aOpCacheEnabled, TBool& aVssCacheEnabled, TDes& aPath, const TDesC& aDefaultDrive)
{
TDriveUnit drive(aDefaultDrive);
// set defaults
if(aSecIdInt == KUIDBROWSERNG) // for the browser, force use of Operator and VSS caches
{
aOpCacheEnabled = ETrue;
aVssCacheEnabled = ETrue;
}
// read override string from centrep
HBufC16 *overrideBuf = HBufC16::NewLC(64);
TPtr overrideStr(overrideBuf->Des());
TInt strLen;
TInt err = aRepository.Get(KCacheManagerHttpCacheProcessOverride, overrideStr, strLen);
if(strLen > overrideBuf->Length())
{
overrideBuf = overrideBuf->ReAllocL(strLen);
// make sure cleanup stack contains correct pointer since ReAllocL always allocates a new des for larger space.
CleanupStack::Pop();
CleanupStack::PushL(overrideBuf);
// reassign the TPtr
overrideStr.Set(overrideBuf->Des());
// pull in the whole string
aRepository.Get(KCacheManagerHttpCacheProcessOverride, overrideStr, strLen);
}
// if we failed to load an override string, use the default.
if( overrideStr.Length() == 0 )
{
CleanupStack::PopAndDestroy( overrideBuf );
overrideBuf = KDefaultOverrideString().AllocLC();
overrideStr.Set( overrideBuf->Des() );
}
// Built in Lex likes white space to separate strings, but easier to enter with ; separators. Replace all ; with spaces.
TInt pos=0;
do{
if(overrideStr[pos] == ';')
{
overrideStr[pos] = ' ';
}
pos++;
}while(pos < overrideStr.Length());
TLex overrideLex(overrideStr);
do{
TUint32 tempId;
User::LeaveIfError(overrideLex.BoundedVal(tempId,EHex,KMaxTUint32));
if(overrideLex.TokenLength() != 8) // if we're not pointing at an SID in the string, we are incorrect and the override is broken.
User::Leave(KErrCorrupt);
overrideLex.SkipSpace();
TInt32 tempCacheEnabled;
User::LeaveIfError(overrideLex.BoundedVal(tempCacheEnabled,KMaxTInt32));
overrideLex.SkipSpace();
TInt32 tempCacheSize;
User::LeaveIfError(overrideLex.BoundedVal(tempCacheSize,KMaxTInt32));
overrideLex.SkipSpace();
TDriveUnit tempDrive(overrideLex.NextToken());
overrideLex.SkipSpaceAndMark();
// found a hex SID matching ours, use the parameters.
if(tempId == aSecIdInt)
{
aCacheEnabled = tempCacheEnabled;
aCacheSize = tempCacheSize * 1024; // conf is in KB
drive = tempDrive;
break;
}
}while(!overrideLex.Eos());
// Modify drive letter on aPath to match
TParsePtr parsePath(aPath);
TPtrC pathStr(parsePath.Path());
TPath tempPath;
tempPath.Format(_L("%c:%S"), TInt(drive)+'A', &pathStr);
aPath.Copy(tempPath);
HttpCacheUtil::EnsureTrailingSlash( aPath );
CleanupStack::PopAndDestroy(overrideBuf);
}
// ---------------------------------------------------------------------------
// 2nd phase constructor
// ---------------------------------------------------------------------------
//
void CCatalogsHttpDownloadManager::ConstructL( TBool aCleanup )
{
DLTRACEIN((""));
User::LeaveIfError( iFs.Connect() );
// shared so that RFiles can be given to Download manager
User::LeaveIfError( iFs.ShareProtected() );
QString DmgrUid(QString::number(KNCDEngineAppID));
iDmgr = new DownloadManager(DmgrUid);
iDmgr->initialize();
iQTmgr = new CCatalogsHttpQTDownloadManager(this,iDmgr);
TUid sessionId( TUid::Uid( iSessionId ) );
if ( aCleanup )
{
DLTRACE(("Cleaning download manager before connecting"));
TUidName client( CleanUidName( sessionId ) );
TPath path;
path.Format( KCatalogsDownloadMgrPath, &client );
CFileMan* fileman = CFileMan::NewL( iFs );
CleanupStack::PushL( fileman );
DLINFO(( _L("Clearing directory: %S"), &path ));
// Ignoring errors
fileman->Delete( path );
CleanupStack::PopAndDestroy( fileman );
}
// Connect with the download manager
// If the 3rd parameter == ETrue, this session inherits downloads
// from other sessions that have the same UID.
TInt err = KErrNone;
TInt retries = KCatalogsDlMgrConnectRetryAttempts;
do
{
if ( err != KErrNone )
{
DLERROR(("DL manager connection failed with err: %d, retry attempts left",
err, retries ));
// This halts the whole thread which is not nice but shouldn't
// be a problem since this should occur only when the download
// manager is being shutdown when we try to connect to it
User::After( KCatalogsDlMgrConnectRetryInterval );
}
}
while ( err != KErrNone && retries-- );
if( err != KErrNone )
{
DLINFO(("Leaving.. DL manager connection failed with: %d", err ));
User::Leave( err );
}
DLTRACE(("ConnectL ok"));
iDefaultConfig = CCatalogsHttpConfig::NewL();
iNetworkManager = &CCatalogsHttpSessionManager::NetworkManagerL();
iNetworkManager->AddObserverL( *this );
// Restore downloads from previous sessions
// RestoreDownloadsL();
DLTRACEOUT((""));
}