Method update

cpp/src/platform/HttpClient.cpp:852–914

}

bool TcpSocket::update
(
)
{
   if(!_OnUpdate())
       return false;

   if(!isOpen())
       return false;

    if(!_inbuf)
        SetBufsizeIn(DEFAULT_BUFSIZE);

    int bytes = _readBytes((unsigned char*)_writeptr, _writeSize);
    //traceprint("TcpSocket::update: _readBytes() result %d\n", bytes);
    if(bytes > 0) // we received something
    {
        _inbuf[bytes] = 0;
        _recvSize = bytes;

        // reset pointers for next read
        _writeSize = _inbufSize - 1;
        _readptr = _writeptr = _inbuf;

        _OnData();
    }
    else if(bytes == 0) // remote has closed the connection
    {
        close();
    }
    else // whoops, error?
    {
        // Possible that the error is returned directly (in that case, < -1, or -1 is returned and the error has to be retrieved seperately.
        // But in the latter case, error numbers may be positive (at least on windows...)
        int err = bytes == -1 ? _GetError() : bytes;
        switch(err)
        {
        case EWOULDBLOCK:
#if defined(EAGAIN) && (EWOULDBLOCK != EAGAIN)
        case EAGAIN: // linux man pages say this can also happen instead of EWOULDBLOCK
#endif
            return false;

#ifdef MINIHTTP_USE_POLARSSL
        case POLARSSL_ERR_NET_WANT_READ:
            break; // Try again later
#endif

        default:
            traceprint("SOCKET UPDATE ERROR: (%d): %s\n", err, _GetErrorStr(err).c_str());
        case ECONNRESET:
        case ENOTCONN:
        case ETIMEDOUT:
#ifdef _WIN32
        case WSAECONNABORTED:
        case WSAESHUTDOWN:
#endif
            close();