dce-time.cc

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#include "dce-time.h"
#include "dce-manager.h"
#include "process.h"
#include "utils.h"
#include <ns3/log.h>
#include <ns3/node.h>
#include <ns3/simulator.h>
#include <errno.h>

NS_LOG_COMPONENT_DEFINE ("DceTime");

using namespace ns3;

time_t dce_time (time_t *t)
{
  NS_LOG_FUNCTION (Current () << UtilsGetNodeId ());
  NS_ASSERT (Current () != 0);
  time_t time = (time_t)UtilsSimulationTimeToTime (Now ()).GetSeconds ();
  if (t != 0)
    {
      *t = time;
    }
  return time;
}

struct tm * dce_gmtime (const time_t *timep)
{
  NS_LOG_FUNCTION (Current () << UtilsGetNodeId ());
  NS_ASSERT (Current () != 0);

  return gmtime_r (timep, &Current ()->process->struct_tm);
}

struct tm * dce_localtime (const time_t *timep)
{
  NS_LOG_FUNCTION (Current () << UtilsGetNodeId ());
  NS_ASSERT (Current () != 0);

  return localtime_r (timep, &Current ()->process->struct_tm);
}

char * dce_ctime (const time_t *timep)
{
  NS_LOG_FUNCTION (Current () << UtilsGetNodeId ());
  NS_ASSERT (Current () != 0);

  return ctime_r (timep, Current ()->process->asctime_result);
}

char * dce_asctime (const struct tm *tm)
{
  NS_LOG_FUNCTION (Current () << UtilsGetNodeId ());
  NS_ASSERT (Current () != 0);

  return asctime_r (tm, Current ()->process->asctime_result);
}

int dce_clock_gettime (clockid_t c, struct timespec *tp)
{
  NS_LOG_FUNCTION (Current () << UtilsGetNodeId ());
  NS_ASSERT (Current () != 0);
  if (0 == tp)
    {
      Current ()->err = EFAULT;
      return -1;
    }
  *tp = UtilsTimeToTimespec (UtilsSimulationTimeToTime (Now ()));
  return 0;
}
void dce_tzset ()
{

}

int dce_clock_getres (clockid_t c, struct timespec *r)
{
  NS_LOG_FUNCTION (Current () << UtilsGetNodeId ());
  NS_ASSERT (Current () != 0);

  switch (c)
    {
    case CLOCK_REALTIME:
      {
        if (0 == r)
          {
            Current ()->err = EFAULT;
            return -1;
          }
        r->tv_sec = 0;
        r->tv_nsec = 1;

        return 0;
      }
      break;

    default:
      {
        Current ()->err = EINVAL;
        return -1;
      }
    }
  return 0;
}

int dce_utime (const char *filename, const struct utimbuf *times)
{
  NS_LOG_FUNCTION (Current () << UtilsGetNodeId ());
  NS_ASSERT (Current () != 0);

  std::string fullpath = UtilsGetRealFilePath (filename);

  return utime (fullpath.c_str (), times);
}