I see a second problem in your code:

 } while (length != totalDataReceived && FWSocket->State == wsConnected && !Terminated && timeout < MAX_TIMEOUT);

Dont loop in DataAvailable. Just receive the part of data that is received and exit. When next chunck of data come in the OnDataAvailable will be fired again. TCP protocol does not respect data boundaries.

Met vriendelijke groeten,
Wilfried Mestdagh

Op 09-01-18 om 18:01 schreef Wilfried Mestdagh:
Hi,

The problem could be in this peace of code:

int length = FWSocket->RcvdCount;

    if(length == 0)
    {
        Debug::DebugString(AnsiString("FWSocketDataAvailable length ") + IntToStr(length));
        return;
    }

RcvdCount is not reliable. This is not a TWSocket problem but a Windows problem. Even if it returns zero the you should try to receive data. So just leave that part out of it.

Rgds, Wilfried

Met vriendelijke groeten,
Wilfried Mestdagh

Op 09-01-18 om 15:48 schreef Alessandro Miorelli:
Hi,

I'm working with ICS and BCB6

All works fine but sometimes I don't receive OnDataAvailable event anymore.

In attach the code.

Please could you help me


Regards


Ing. Alessandro Miorelli


Software Engineer






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