Code from SilentSms freezes in premature call of RunL()

[elviin]

Hello developers,

please leave here a clue where I could make a mistake:

The waiting for incoming sms is triggered by method Idle() in CActive class with EPriorityStandard:

void CSmsService::Idle()
{
    if ( !IsActive() )
    {
        iRead=ETrue;
        iFs.Connect();
        iSocketServer.Connect(); 
        //User::After(1000000); //I tried both versions
        SocketListen();         
    }
}

The SocketListen() looks like this:

void CSmsService::SocketListen()
    {
    _LIT(KTag, "");
    TBuf8<2> matchTag;
    matchTag.Copy(KTag);

    //Opens a socket by creating a new subsession to the socket server.
    TInt err = iSocket.Open(iSocketServer, KSMSAddrFamily, KSockDatagram, KSMSDatagramProtocol);
    if(err==KErrNone)
        { 
        TRequestStatus iStatus;
        TSmsAddr smsaddr; 
        // App. listens for sms msgs with some special tag in it.
        smsaddr.SetSmsAddrFamily(ESmsAddrMatchText); 
        smsaddr.SetTextMatch(matchTag);
        TInt BindErr = iSocket.Bind(smsaddr);
        if(BindErr == KErrNone)
            {
            iPckgBuf() = KSockSelectRead;
            //Applies an asynchronous I/O control operation on a socket.
            iSocket.Ioctl( KIOctlSelect,iStatus, &iPckgBuf, KSOLSocket);
            iRead=ETrue;
            SetActive();
            }
        }
}

And the problem is that the execution stops - freezes on the line iSmsMessage->InternalizeL(readStream). That is understandable as there was no incoming sms yet. The RunL() is triggered and I do not know why.

void CSmsService::RunL()
{
    if(iStatus == KErrNone)
    {    
    
        if(iRead && iGlobalProperties.GetSecurePhone() )
        {
            CSmsBuffer *smsBuffer = CSmsBuffer::NewL();
            CleanupStack::PushL(smsBuffer);
            //Stream that reads a CSmsMessage object across a socket.
            RSmsSocketReadStream readStream(iSocket);
            //Allocates and creates a CSmsMessage
            //ESmsDeliver-SMS-DELIVER, sent from service center to Mobile Station. 
            iSmsMessage = CSmsMessage::NewL(iFs,CSmsPDU::ESmsDeliver,smsBuffer);
            //Internalises data from stream to CSmsMessage
            iSmsMessage->InternalizeL(readStream);
            readStream.Close(); 
            //Extracting the received message to a buffer   
            iSmsMessage->Buffer().Extract(iBuf,0,iSmsMessage->Buffer().Length());
            iSocket.Ioctl( KIoctlReadMessageSucceeded,iStatus, &iPckgBuf, KSolSmsProv);
            //Printing the received Message.
            //CAknInformationNote* note122=new(ELeave) CAknInformationNote;
            //note122->ExecuteLD(iBuf);
            
            iRead=EFalse;       
            SetActive();
            CleanupStack::PopAndDestroy(smsBuffer);
        }
    }
}

[Paul.Todd]

Somehwere you have a local variable called iStatus - I fixed a collegues problem with exactly this on Friday.

This bug was fixed in the wiki example last month

[elviin]

Somehwere you have a local variable called iStatus - I fixed a collegues problem with exactly this on Friday.

This bug was fixed in the wiki example last month

I was thinking for a few times that is a sort of hack - because in a simple application it seems to be working. But later I found istatus -46 in the log file. I should be more suspicious and self confident about wiki samples.

There is still local instance of iStatus in the SilentSms example on the wiki.

Paul thank you very much.

[elviin]

Hi Paul, I do not want to post the same problem described here. Can you leave a comment there?

Thank you.