void report_time(const server& s, boost::posix_time::time_duration time)
{
server_times_.update_resp_time(s.get_id(), time.total_microseconds());
uint32_t new_reqs_sec = server_times_.reqs_sec(s);
update_server(s, new_reqs_sec);
}
std::size_t select::wait( boost::posix_time::time_duration timeout )
{
unsigned int sec = timeout.total_seconds();
unsigned int nanosec = ( static_cast< unsigned int >( timeout.total_microseconds() ) - sec * 1000000 ) * 1000;
// std::cerr << "select wait " << sec << " , " << nanosec << std::endl;
return wait( sec, nanosec );
}
void Tac()
{
timeEnd_ = boost::posix_time::microsec_clock::local_time() - timeIni ;
timeEnd=(double)timeEnd_.total_microseconds() ;
//std::cout << timeEnd<< std::endl;
}
std::string HighResSecondsString(const boost::posix_time::time_duration& duration)
{
std::stringstream os;
if (duration.total_microseconds() < 100000)
{
os << std::fixed << std::setprecision(3);
os << (duration.total_microseconds() / 1000.0 ) << "ms";
}
else
{
os << std::fixed << std::setprecision(2);
os << (duration.total_microseconds() / 1000000.0) << "s";
}
return os.str();
}
boost::posix_time::ptime sj::ceiling(boost::posix_time::ptime dt,
boost::posix_time::time_duration dur)
{
time_duration dt_dur = dt - EPOCH;
time_duration::tick_type dt_ms = dt_dur.total_microseconds();
time_duration::tick_type dur_ms = dur.total_microseconds();
time_duration::tick_type modified = (dt_ms + dur_ms - 1) / dur_ms;
return EPOCH + microsec(modified * dur_ms);
}
boost::int64_t DataStorage::getTimestamp()
{
//init the starttime as it is needed for the first time
if (!start_)
{
start_.reset(new boost::posix_time::ptime(boost::posix_time::microsec_clock::local_time()));
}
boost::posix_time::time_duration const diff = boost::posix_time::microsec_clock::local_time() - *start_;
return diff.total_microseconds();
}
inertial::value::value( boost::posix_time::time_duration decay, unsigned int maximum ) : decay_( decay.total_microseconds() ), maximum_( maximum ), value_( 0 ) {}
unsigned int NetworkActivity::getCurrentTime()
{
boost::posix_time::time_duration const diff = boost::posix_time::microsec_clock::local_time() - profilingStart_;
return diff.total_microseconds();
}
static UHD_INLINE double from_time_dur(const pt::time_duration &time_dur){
return 1e-6*time_dur.total_microseconds();
}
void AutomaticGraphicsLevelManager::averageTimePerFrameUpdated(const boost::posix_time::time_duration timePerFrame)
{
//Convert microseconds per frame to fps.
checkFps(1000000.0f / timePerFrame.total_microseconds());
}
void run( S* stream )
{
static const unsigned int timeSize = 12;
boost::mt19937 generator;
boost::uniform_real< float > distribution( 0, 1 );
boost::variate_generator< boost::mt19937&, boost::uniform_real< float > > random( generator, distribution );
comma::uint64 count = 0;
comma::uint64 dropped_count = 0;
double compression = 0;
velodyne::packet packet;
comma::signal_flag isShutdown;
velodyne::scan_tick tick;
comma::uint32 scan_id = 0;
while( !isShutdown && std::cin.good() && !std::cin.eof() && std::cout.good() && !std::cout.eof() )
{
const char* p = velodyne::impl::stream_traits< S >::read( *stream, sizeof( velodyne::packet ) );
if( p == NULL ) { break; }
::memcpy( &packet, p, velodyne::packet::size );
if( tick.is_new_scan( packet ) ) { ++scan_id; } // quick and dirty
boost::posix_time::ptime timestamp = stream->timestamp();
if( scan_rate ) { scan.thin( packet, *scan_rate, angularSpeed( packet ) ); }
if( !scan_rate || !scan.empty() )
{
if( focus ) { velodyne::thin::thin( packet, *focus, *db, angularSpeed( packet ), random ); }
if( rate ) { velodyne::thin::thin( packet, *rate, random ); }
}
const boost::posix_time::ptime base( snark::timing::epoch );
const boost::posix_time::time_duration d = timestamp - base;
comma::int64 seconds = d.total_seconds();
comma::int32 nanoseconds = static_cast< comma::int32 >( d.total_microseconds() % 1000000 ) * 1000;
if( outputRaw ) // real quick and dirty
{
static boost::array< char, 16 + timeSize + velodyne::packet::size + 4 > buf;
static const boost::array< char, 2 > start = {{ -78, 85 }}; // see QLib::Bytestreams::GetDefaultStartDelimiter()
static const boost::array< char, 2 > end = {{ 117, -97 }}; // see QLib::Bytestreams::GetDefaultStartDelimiter()
::memcpy( &buf[0], &start[0], 2 );
::memcpy( &buf[0] + buf.size() - 2, &end[0], 2 );
::memcpy( &buf[0] + 16, &seconds, 8 );
::memcpy( &buf[0] + 16 + 8, &nanoseconds, 4 );
::memcpy( &buf[0] + 16 + 8 + 4, &packet, velodyne::packet::size );
if( publisher ) { publisher->write( &buf[0], buf.size() ); }
else if( publisher_udp_socket ) { publisher_udp_socket->send_to( boost::asio::buffer( &buf[0], buf.size() ), udp_destination ); }
else { std::cout.write( &buf[0], buf.size() ); }
}
else
{
// todo: certainly rewrite with the proper header using comma::packed
static char buf[ timeSize + sizeof( comma::uint16 ) + velodyne::thin::maxBufferSize ];
comma::uint16 size = velodyne::thin::serialize( packet, buf + timeSize + sizeof( comma::uint16 ), scan_id );
bool empty = size == ( sizeof( comma::uint32 ) + 1 ); // todo: atrocious... i.e. packet is not empty; refactor!!!
if( !empty )
{
size += timeSize;
::memcpy( buf, &size, sizeof( comma::uint16 ) );
size += sizeof( comma::uint16 );
::memcpy( buf + sizeof( comma::uint16 ), &seconds, sizeof( comma::int64 ) );
::memcpy( buf + sizeof( comma::uint16 ) + sizeof( comma::int64 ), &nanoseconds, sizeof( comma::int32 ) );
if( publisher ) { publisher->write( buf, size ); }
else if( publisher_udp_socket ) { publisher_udp_socket->send_to( boost::asio::buffer( buf, size ), udp_destination ); }
else { std::cout.write( buf, size ); }
}
else
{
++dropped_count;
}
if( verbose )
{
++count;
compression = 0.9 * compression + 0.1 * ( empty ? 0.0 : double( size + sizeof( comma::int16 ) ) / ( velodyne::packet::size + timeSize ) );
if( count % 10000 == 0 ) { std::cerr << "velodyne-thin: processed " << count << " packets; dropped " << ( double( dropped_count ) * 100. / count ) << "% full packets; compression rate " << compression << std::endl; }
}
}
}
if( publisher ) { publisher->close(); }
std::cerr << "velodyne-thin: " << ( isShutdown ? "signal received" : "no more data" ) << "; shutdown" << std::endl;
}
/*!
\param time The time point to truncate.
\param unit The unit of time to truncate the time point to.
\return The time point truncated to the specified <i>unit</i>.
*/
inline boost::posix_time::ptime Truncate(const boost::posix_time::ptime& time,
boost::posix_time::time_duration unit) {
return time - boost::posix_time::microseconds(
time.time_of_day().total_microseconds() % unit.total_microseconds());
}
double CalculateSpeed(long long bytes, const boost::posix_time::time_duration& duration)
{
double seconds = duration.total_microseconds() / 1000000.0;
return seconds == 0.0 ? bytes : bytes / seconds;
}