/*
 * This software is dual-licensed under GPLv3 and a commercial
 * license. See the file LICENSE.md distributed with this software for
 * full license information.
 */

#include <rt.h>
#include <sys/time.h>
#include <osal.h>

static int64_t sysfrequency;
static double qpc2usec;

#define USECS_PER_SEC 1000000

int osal_gettimeofday(struct timeval *tv, struct timezone *tz)
{
   return gettimeofday(tv, tz);
}

ec_timet osal_current_time(void)
{
   struct timeval current_time;
   ec_timet return_value;

   osal_gettimeofday(&current_time, 0);
   return_value.sec = current_time.tv_sec;
   return_value.usec = current_time.tv_usec;
   return return_value;
}

void osal_timer_start(osal_timert *self, uint32 timeout_usec)
{
   struct timeval start_time;
   struct timeval timeout;
   struct timeval stop_time;

   osal_gettimeofday(&start_time, 0);
   timeout.tv_sec = timeout_usec / USECS_PER_SEC;
   timeout.tv_usec = timeout_usec % USECS_PER_SEC;
   timeradd(&start_time, &timeout, &stop_time);

   self->stop_time.sec = stop_time.tv_sec;
   self->stop_time.usec = stop_time.tv_usec;
}

boolean osal_timer_is_expired(osal_timert *self)
{
   struct timeval current_time;
   struct timeval stop_time;
   int is_not_yet_expired;

   osal_gettimeofday(&current_time, 0);
   stop_time.tv_sec = self->stop_time.sec;
   stop_time.tv_usec = self->stop_time.usec;
   is_not_yet_expired = timercmp(&current_time, &stop_time, <);

   return is_not_yet_expired == FALSE;
}

int osal_usleep(uint32 usec)
{
   RtSleepEx(usec / 1000);
   return 1;
}

/* Mutex is not needed when running single threaded */

void osal_mtx_lock(osal_mutex_t *mtx)
{
   /* RtWaitForSingleObject((HANDLE)mtx, INFINITE); */
}

void osal_mtx_unlock(osal_mutex_t *mtx)
{
   /* RtReleaseMutex((HANDLE)mtx); */
}

int osal_mtx_lock_timeout(osal_mutex_t *mtx, uint32_t time_ms)
{
   /* return RtWaitForSingleObject((HANDLE)mtx, time_ms); */
   return 0;
}

osal_mutex_t *osal_mtx_create(void)
{
   /* return (void*)RtCreateMutex(NULL, FALSE, NULL); */
   return (void *)0;
}
