// ----------------------------------------------------------------------------
// TTCPCompMsgEnd::DataReceivedL
// ----------------------------------------------------------------------------
//
void TTCPCompMsgEnd::DataReceivedL( TPtr8 aData, TUint& aNextLength )
{
// panic if sigcomp is not supported in debug mode.leaves in release mode.
__SIP_ASSERT_LEAVE( iMsgAssembler.SigComp().IsSupported(), KErrGeneral );
// panic if received data is not compressed in debug mode.
// leaves in release mode.
__SIP_ASSERT_LEAVE( iMsgAssembler.SigComp().IsSigCompMsg( aData ),
KErrGeneral );
// panic if received data is not completed compressed msg in debug mode.
// leaves in release mode.
__SIP_ASSERT_LEAVE(
iMsgAssembler.SigComp().IsCompleteSigCompMessageL( aData ),
KErrGeneral );
TUint bytesConsumed( 0 );
CBufBase* decompressedData = iMsgAssembler.SigComp().DecompressL(
aData, bytesConsumed, ETrue);
TUint dataLen( static_cast<TUint>( aData.Length() ) );
// Whole data was not decompressed and non-decompressed data might
// be part of next sigcomp message, remember amount of non-decompressed
// data
iMsgAssembler.SetUnConsumedBytes( dataLen - bytesConsumed );
if ( bytesConsumed < dataLen )
{
CleanupStack::PushL(decompressedData);
aData.Delete(0, bytesConsumed);
HBufC8* newData =
HBufC8::NewL( decompressedData->Size() + aData.Length() );
// copy the msg buffer data and the received data to new data buffer
TPtr8 newDataPtr = newData->Des();
newDataPtr.Append(decompressedData->Ptr(0));
CleanupStack::PopAndDestroy(decompressedData);
newDataPtr.Append(aData);
// delete all content of received data
aData.Delete( 0, aData.Length() );
CleanupStack::PushL(newData);
DecideNextStateL( newDataPtr, aNextLength );
CleanupStack::PopAndDestroy(newData);
}
else if ( bytesConsumed == dataLen )
{
CleanupStack::PushL( decompressedData );
aData.Delete(0, bytesConsumed);
TPtr8 decompressedDataPtr = decompressedData->Ptr(0);
DecideNextStateL( decompressedDataPtr, aNextLength );
CleanupStack::PopAndDestroy( decompressedData );
}
else // bytesConsumed > dataLen error happens, reset the state
{
delete decompressedData;
iMsgAssembler.ChangeState( MMsgAssemblerContext::EMsgInit );
}
}
/**
Updates the strings specified in step c of section 5.2.4 of RFC 3986
@param aInputBuf A reference to the inputBuf needs to be modified
@param aOutPutBuf A reference to the outPutBuf needs to be modified
@param aLength length of the string to be replaced.
*/
void updateStrings(TPtr8& aInputBuf, TPtr8& aOutPutBuf, TInt aLength)
{
aInputBuf.Replace(0,aLength,KSlash);
//In outPutBuf to remove the last segment starting with / (if exist)
//eg: /abc/def/fgh --> /abc/def
TInt outputBufLength = aOutPutBuf.Length();
TInt pos = aOutPutBuf.LocateReverse('/');
//remove the last segment including '/'
pos != KErrNotFound ? aOutPutBuf.Delete( pos, outputBufLength - pos ) : aOutPutBuf.Delete( 0,outputBufLength );
}
TReal CGpsDataHandler::ParseCoordinateData() {
TPtr8 pBuffer = iBuffer->Des();
TReal aAngle;
TReal aResult = 0.0;
TInt aFindResult;
aFindResult = pBuffer.Find(_L8(","));
if(aFindResult != KErrNotFound) {
HBufC8* aField = HBufC8::NewL(aFindResult);
CleanupStack::PushL(aField);
TPtr8 pField = aField->Des();
pField.Copy(pBuffer.Ptr(), aFindResult);
pBuffer.Delete(0, aFindResult+1);
TLex8 aFieldLex(pField.Ptr());
if(aFieldLex.Val(aAngle, '.') == KErrNone) {
TInt32 aDegrees;
Math::Int(aDegrees, aAngle / 100.0);
TInt32 aMinutes;
Math::Int(aMinutes, aAngle - aDegrees * 100);
TReal aDecimal;
Math::Frac(aDecimal, aAngle);
aResult = aDegrees + (aMinutes + aDecimal) / 60.0;
if(pBuffer[0] == TUint('S') || pBuffer[0] == TUint('W')) {
aResult = -aResult;
}
aFindResult = pBuffer.Find(_L8(","));
if(aFindResult != KErrNotFound) {
pBuffer.Delete(0, aFindResult+1);
}
}
CleanupStack::PopAndDestroy();
}
return aResult;
}
// ----------------------------------------------------------------------------
// TTCPCompMsgStart::DataReceivedL
// ----------------------------------------------------------------------------
//
void TTCPCompMsgStart::DataReceivedL( TPtr8 aData, TUint& aNextLength )
{
// panic if sigcomp is not supported in debug mode.leaves in release mode.
__SIP_ASSERT_LEAVE( iMsgAssembler.SigComp().IsSupported(), KErrGeneral );
if ( iMsgAssembler.MsgBuffer().Size() > 0 )
{
// insert the received data to msg buffer.
iMsgAssembler.MsgBuffer().InsertL(
iMsgAssembler.MsgBuffer().Size(), aData );
iMsgAssembler.MsgBuffer().Compress();
// clean the content of received data.
aData.Delete( 0, aData.Length() );
TPtr8 bufPtr = iMsgAssembler.MsgBuffer().Ptr( 0 );
// check if the msg buffer a complete sig comp message, if so
// copy the msg buffer to a new data buf, clean the msg buffer
// and enter to comp msg end state.
if ( iMsgAssembler.SigComp().IsCompleteSigCompMessageL( bufPtr ) )
{
HBufC8* newData = HBufC8::NewLC( bufPtr.Length() );
// copy the msg buffer data and the received data to new buffer
TPtr8 newDataPtr = newData->Des();
newDataPtr.Append(bufPtr);
// clean the msg buffer
iMsgAssembler.MsgBuffer().Reset();
iMsgAssembler.MsgBuffer().Compress();
iMsgAssembler.ChangeState( MMsgAssemblerContext::ECompMsgEnd );
iMsgAssembler.CurrentState().DataReceivedL( newDataPtr,
aNextLength );
CleanupStack::PopAndDestroy(newData);
}
}
else if (iMsgAssembler.SigComp().IsCompleteSigCompMessageL( aData ) )
{
iMsgAssembler.ChangeState( MMsgAssemblerContext::ECompMsgEnd );
iMsgAssembler.CurrentState().DataReceivedL( aData, aNextLength );
}
else
{
iMsgAssembler.MsgBuffer().InsertL(
iMsgAssembler.MsgBuffer().Size(), aData );
iMsgAssembler.MsgBuffer().Compress();
}
}
void CRuleManager::ReadFavFromFile()
{
TFileName filename;
GetAppPath(filename);
filename.Append(KFavRuleFile);
RFile file;
TInt err;
err = file.Open(CCoeEnv::Static()->FsSession(), filename, EFileRead);
CleanupClosePushL(file);
if (KErrNone != err)
{
CleanupStack::PopAndDestroy(); // file
return;
}
TInt size;
file.Size(size);
if (size > 0)
{
HBufC8* text = HBufC8::NewL(size);
TPtr8 ptr = text->Des();
file.Read(ptr);
TInt pos = ptr.Locate(KCharRuleSymbolEnd);
if (pos != KErrNotFound)
{
ReadFromFile(ptr,pos,iFavRule);
ptr.Delete(0,pos+1);
TInt num = CCommonUtils::StrToInt(ptr);
iFavRule->SetFavCount(num);
}
delete text;
}
CleanupStack::PopAndDestroy(); // file
}
// ----------------------------------------------------------------------------
// TNATFWUNSAFMsgStateHeaderEnd::DataReceivedL
// ----------------------------------------------------------------------------
//
TBool TNATFWUNSAFMsgStateHeaderEnd::DataReceivedL( TPtr8 aData,
TUint& aNextLength )
{
__ASSERT_ALWAYS( aData.Length() >= iMsgAssembler.MessageLength(),
User::Leave( KErrUnderflow ) );
TPtrC8 headerDescriptor = aData.Left( iMsgAssembler.MessageLength() );
CNATFWUNSAFMessage* message =
iMsgAssembler.MsgFactory().DecodeL( headerDescriptor );
iMsgAssembler.SetMessage( message );
message = 0;
// delete the header part from the received data,
aData.Delete( 0, iMsgAssembler.MessageLength() );
iMsgAssembler.ChangeState( TNATFWUNSAFMsgStateBase::EMsgComplete );
return iMsgAssembler.CurrentState().DataReceivedL( aData, aNextLength );
}
void CRuleManager::ReadFromFile(RFile& file)
{
TInt size;
file.Size(size);
HBufC8* text = HBufC8::NewL(size);
TPtr8 ptr = text->Des();
file.Read(ptr);
TInt pos = ptr.Locate(KCharRuleSymbolEnd);
while (pos != KErrNotFound)
{
CRule* rule = CRule::NewL();
ReadFromFile(ptr,pos,rule);
iRules->Append(rule);
ptr.Delete(0,pos+1);
pos = ptr.Locate(KCharRuleSymbolEnd);
}
delete text;
}
void CSmtpAuthCramMd5MechanismHelper::GetNextClientMessageL(TDes8& aNextMessage)
{
iNextClientMessage.Zero();
if(iInProgress)
{
HBufC8* authbuffer = HBufC8::NewMaxLC(KImMailMaxBufferSize);//?
TPtr8 authbufferptr = authbuffer->Des();
HBufC8* authbuffer2 = HBufC8::NewMaxLC(KImMailMaxBufferSize);//?
TPtr8 authbufferptr2 = authbuffer2->Des();
HBufC8* authbuffer3 = HBufC8::NewMaxLC(KImMailMaxBufferSize);//?
TPtr8 authbufferptr3 = authbuffer3->Des();
authbufferptr = iLastServerMessage;
authbufferptr.Delete(0,4); //remove 334 from the begining of server response
iEncoder.Decode(authbufferptr,authbufferptr2);
//timestamp info now in authbufferptr2
authbufferptr.Zero();
authbufferptr3.Zero();
authbufferptr = iSettings.Password();
authbufferptr3 = FormSharedSecret(authbufferptr);
authbufferptr.Zero();
authbufferptr = authbufferptr3; //now authbufferptr and authbufferptr3 contain the shared secret null padded to 64 bytes.
TInt i=0;
for (i=0; i<KMd5BlockLength; i++)
{
authbufferptr[i] ^= 0x36; //ipad
authbufferptr3[i] ^= 0x5c; //opad
}
authbufferptr.Append(authbufferptr2);
iMd5Hash->Reset(); ;
authbufferptr2 = iMd5Hash->Hash(authbufferptr);
authbufferptr3.Append(authbufferptr2);
authbufferptr.Zero();
iMd5Hash->Reset();
authbufferptr = iMd5Hash->Hash(authbufferptr3);
// MD5 algorithm ALWAYS returns 16 bytes of data - which will be converted into
// 32 characters; each byte represented by a 2 character hex representation,
// eg 255="ff"
TBuf<32> hexHash;
for (i=0;i<16;i++)
{
hexHash.AppendNumFixedWidth(authbufferptr[i],EHex,2);
}
authbufferptr3.Zero();
authbufferptr3.Append(iSettings.LoginName());
authbufferptr3.Append(_L8(" "));
authbufferptr3.Append(hexHash);
iEncoder.Encode(authbufferptr3, iNextClientMessage);
iNextClientMessage.Append(KSmtpCrLf);
CleanupStack::PopAndDestroy(3); // authbufferptr3 ,authbufferptr2, authbufferptr
aNextMessage = iNextClientMessage;
}
else
{
iNextClientMessage.Append(KSmtpAuthCommand);
iNextClientMessage.Append(KCramMD5Mechanism);
iNextClientMessage.Append(KSmtpCrLf);
iInProgress=ETrue;
aNextMessage = iNextClientMessage;
}
}
// ----------------------------------------------------------------------------
// TTCPMsgContentStart::DataReceivedL
// ----------------------------------------------------------------------------
//
void TTCPMsgContentStart::DataReceivedL( TPtr8 aData, TUint& aNextLength )
{
CSIPMessage* message = iMsgAssembler.Message();
// panic if message == 0 in debug mode. leaves in release mode.
__SIP_ASSERT_LEAVE( message, KErrGeneral );
// panic if there is no content length in debug mode.
// leaves in release mode.
__SIP_ASSERT_LEAVE( message->HasAnnouncedContentLength(),
KErrGeneral );
TUint contentLen = message->AnnouncedContentLength();
// panic if content length <= 0 in debug mode.
// leaves in release mode.
__SIP_ASSERT_LEAVE( contentLen > 0, KErrGeneral );
// if message contains already some content, received data is complementing
// it. this kind of situation might occur when sigcomp splits too big sip
// message to pieces
if ( message->Content().Length() > 0 )
{
iMsgAssembler.MsgBuffer().InsertL( iMsgAssembler.MsgBuffer().Size(),
message->Content() );
iMsgAssembler.MsgBuffer().Compress();
// remove old uncomplete content
HBufC8* uncompletedContent = message->TakeContentOwnershipL();
delete uncompletedContent;
}
if ( iMsgAssembler.SigComp().IsSupported() &&
iMsgAssembler.IsSigComp() &&
HandleComplementingSigCompDataL( aData, aNextLength, contentLen ) )
{
return;
}
if ( iMsgAssembler.MsgBuffer().Size() > 0 )
{
// insert received data to msg buffer.
iMsgAssembler.MsgBuffer().InsertL(
iMsgAssembler.MsgBuffer().Size(), aData );
iMsgAssembler.MsgBuffer().Compress();
// delete the content of received data
aData.Delete( 0, aData.Length() );
TPtr8 bufPtr = iMsgAssembler.MsgBuffer().Ptr( 0 );
// check if the msg buffer contains the whole content, if so
// copy the msg buffer to new data buffer, clean the msg buffer
// and enter to msg content end state.
if ( contentLen <= static_cast< TUint >( bufPtr.Length() ) )
{
HBufC8* newData = HBufC8::NewLC( bufPtr.Length() );
// copy the msg buffer data new data
TPtr8 newDataPtr = newData->Des();
// delete the content of received data
aData.Delete( 0, aData.Length() );
newDataPtr.Append(iMsgAssembler.MsgBuffer().Ptr(0));
// clean the msg buffer
iMsgAssembler.MsgBuffer().Reset();
iMsgAssembler.MsgBuffer().Compress();
iMsgAssembler.ChangeState( MMsgAssemblerContext::EMsgContentEnd );
iMsgAssembler.CurrentState().DataReceivedL( newDataPtr,
aNextLength );
CleanupStack::PopAndDestroy( newData );
}
// if the msg buffer contains not enough content, ask the next
// length to be received.
else
{
aNextLength = contentLen - aData.Length();
}
}
else if ( contentLen <= static_cast< TUint >( aData.Length() ) )
{
iMsgAssembler.ChangeState(MMsgAssemblerContext::EMsgContentEnd);
iMsgAssembler.CurrentState().DataReceivedL( aData, aNextLength );
}
else
{
iMsgAssembler.MsgBuffer().InsertL(
iMsgAssembler.MsgBuffer().Size(), aData );
iMsgAssembler.MsgBuffer().Compress();
aNextLength = contentLen - aData.Length();
}
}
// ----------------------------------------------------------------------------
// TTCPMsgContentStart::HandleComplementingSigCompDataL
// ----------------------------------------------------------------------------
//
TBool TTCPMsgContentStart::HandleComplementingSigCompDataL(
TPtr8 aData,
TUint& aNextLength,
TInt aAnnouncedContentLen )
{
// If still receiving compressed data, current contents have to be
// stored until we come back from comp states, in sigcomp point of
// view message can be complete but it ain't necessary complete
// in sip point of view. All data in aData or msgbuffer are not
// necessarily decompressed - these have to be taken with us when
// going back to decompression states
TInt unconsumedBytes( iMsgAssembler.UnConsumedBytes() );
TPtr8 msgBufPtr( iMsgAssembler.MsgBuffer().Ptr( 0 ) );
HBufC8* content = NULL;
TInt decompressedDataLen = aData.Length() - unconsumedBytes;
__SIP_ASSERT_LEAVE( decompressedDataLen > 0, KErrGeneral );
TInt msgBufLen( msgBufPtr.Length() );
TInt decompressedLen( msgBufLen + decompressedDataLen );
if ( aAnnouncedContentLen <= decompressedLen )
{
// Enough decompressed content data
return EFalse;
}
// Store decompressed data to message content
if ( msgBufLen > 0 )
{
content = HBufC8::NewL( decompressedLen );
TPtr8 contentPtr( content->Des() );
contentPtr.Copy( msgBufPtr );
contentPtr.Append( aData.Left( decompressedDataLen ) );
}
else
{
content = aData.Left( decompressedDataLen ).AllocL();
}
// Remove decompressed data which was stored to content
aData.Delete( 0, decompressedDataLen );
// Clean msgbuffer
iMsgAssembler.MsgBuffer().Reset();
iMsgAssembler.MsgBuffer().Compress();
iMsgAssembler.SetUnConsumedBytes( 0 );
CSIPMessage* message = iMsgAssembler.Message();
message->SetContent( content ); // ownership is transferred
content = NULL;
aNextLength = CSIPMsgAssembler::EMsgBufferSize;
iMsgAssembler.ChangeState( MMsgAssemblerContext::ECompMsgStart );
iMsgAssembler.CurrentState().DataReceivedL( aData, aNextLength );
return ETrue;
}
void CGpsDataHandler::ProcessData() {
TPtr8 pBuffer = iBuffer->Des();
// Check sentence is complete
if(pBuffer[0] != TUint('$')) {
// Burn invalid data
pBuffer.Delete(0, 1);
iEngineStatus = EGpsReading;
iSocket.Recv(iChar, 0, iStatus);
SetActive();
}
else if(pBuffer[pBuffer.Length()-1] == TUint('\n')) {
// Sentence is complete
TInt aStartField;
TInt aFindResult;
// Ready to parse data
if(pBuffer.Find(_L8("$GPGLL")) != KErrNotFound) {
aStartField = 1;
}
else if(pBuffer.Find(_L8("$GPGGA")) != KErrNotFound) {
aStartField = 2;
}
else if(pBuffer.Find(_L8("$GPRMC")) != KErrNotFound) {
aStartField = 3;
}
else {
pBuffer.Zero();
iEngineStatus = EGpsReading;
iSocket.Recv(iChar, 0, iStatus);
SetActive();
return;
}
// Burn useless data
for(TInt i = 0;i < aStartField;i++) {
aFindResult = pBuffer.Find(_L8(","));
if(aFindResult != KErrNotFound) {
pBuffer.Delete(0, aFindResult+1);
}
}
// Read latitude
TReal aLatitude = ParseCoordinateData();
TReal aLongitude = ParseCoordinateData();
pBuffer.Zero();
if(aLatitude != 0.0 || aLongitude != 0.0) {
iObserver->GpsData(aLatitude, aLongitude, 10.0);
iSocket.Close();
iSocketServ.Close();
iEngineStatus = EGpsDisconnected;
}
}
else {
iEngineStatus = EGpsReading;
iSocket.Recv(iChar, 0, iStatus);
SetActive();
}
}
