BEGIN_NCBI_SCOPE
CConn_IOStream::CConn_IOStream(const TConn_Pair& connpair,
const STimeout* timeout,
size_t buf_size, TConn_Flags flags,
CT_CHAR_TYPE* ptr, size_t size)
: CNcbiIostream(0), m_CSb(0)
{
auto_ptr<CConn_Streambuf>
csb(new CConn_Streambuf(connpair.first, connpair.second,
timeout, buf_size, flags, ptr, size));
CONN conn = csb->GetCONN();
if (conn) {
SOCK s/*dummy*/;
// CONN_Write(0 bytes) could have caused the same effect as GetSOCK
(void) CONN_GetSOCK(conn, &s); // Prompt CONN to actually open
if (CONN_Status(conn, eIO_Open) == eIO_Success) {
init(csb.get());
m_CSb = csb.release();
return;
}
}
init(0); // according to the standard (27.4.4.1.3), badbit is set here
}
// Number of bits set.
// We really only need to know if full, empty or in between
int BitMask2::CountValidBits() const
{
assert(Size());
const Byte* ptr = m_pBits;
int sum = 0;
// The first loop is in multiples of four, to let the compiler optimize
for (int i = 0; i < (Size()/4) * 4; i++)
sum += csb(*ptr++);
// Second loop for the leftover bytes, up to three
for (int i = 0; i < Size() % 4; i++)
sum += csb(*ptr++);
// Subtract the defined bits potentially contained in the last byte
// Number of undefined bytes is (C*R)%8
// The undefined bits are at the low bit position, use a mask for them
sum -= csb((*--ptr) & ((1 << ((m_nCols * m_nRows) % 8)) -1));
return sum;
}
int main(int argc, char **argv)
{
ros::init(argc, argv, "simple_driver");
ros::NodeHandle nh;
ros::Publisher publisher = nh.advertise<sigevo_champ::CarControl> ("torcs_car_control",5);
CarStateFunctor csb(&publisher);
ros::Subscriber subscriber = nh.subscribe<sigevo_champ::CarState> ("torcs_car_state",5, csb);
ros::spin();
return 0;
}
int main() {
const StrBlob sb;
ConstStrBlobPtr csb(sb);
return 0;
}
