#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/time.h>
#include <math.h>
#include <syslog.h>
#include "ip6config_utils.h"
#include "timer.h"
static void
timer_callout_process(CFRunLoopTimerRef timer_source, void * info)
{
timer_callout_t * callout = (timer_callout_t *)info;
if (callout->func && callout->enabled) {
callout->enabled = 0;
(*callout->func)(callout->arg1, callout->arg2, callout->arg3);
}
return;
}
__private_extern__ timer_callout_t *
timer_callout_init()
{
timer_callout_t * callout;
callout = malloc(sizeof(*callout));
if (callout == NULL)
return (NULL);
bzero(callout, sizeof(*callout));
return (callout);
}
__private_extern__ void
timer_callout_free(timer_callout_t * * callout_p)
{
timer_callout_t * callout = *callout_p;
if (callout == NULL)
return;
timer_cancel(callout);
free(callout);
*callout_p = NULL;
return;
}
__private_extern__ int
timer_set_relative(timer_callout_t * callout,
struct timeval rel_time, timer_func_t * func,
void * arg1, void * arg2, void * arg3)
{
CFRunLoopTimerContext context = { 0, NULL, NULL, NULL, NULL };
CFAbsoluteTime wakeup_time;
if (callout == NULL) {
return (0);
}
timer_cancel(callout);
callout->enabled = 0;
if (func == NULL) {
return (0);
}
callout->func = func;
callout->arg1 = arg1;
callout->arg2 = arg2;
callout->arg3 = arg3;
callout->enabled = 1;
if (rel_time.tv_sec <= 0 && rel_time.tv_usec < 1000) {
rel_time.tv_sec = 0;
rel_time.tv_usec = 1000;
}
wakeup_time = CFAbsoluteTimeGetCurrent() + rel_time.tv_sec
+ ((double)rel_time.tv_usec / USECS_PER_SEC);
context.info = callout;
callout->timer_source
= CFRunLoopTimerCreate(NULL, wakeup_time,
0.0, 0, 0,
timer_callout_process,
&context);
my_log(LOG_DEBUG, "timer: wakeup time is (%d.%d) %g",
rel_time.tv_sec, rel_time.tv_usec, wakeup_time);
my_log(LOG_DEBUG, "timer: adding timer source");
CFRunLoopAddTimer(CFRunLoopGetCurrent(), callout->timer_source,
kCFRunLoopDefaultMode);
return (1);
}
__private_extern__ void
timer_cancel(timer_callout_t * callout)
{
if (callout == NULL) {
return;
}
callout->enabled = 0;
callout->func = NULL;
if (callout->timer_source) {
my_log(LOG_DEBUG, "timer: freeing timer source");
CFRunLoopTimerInvalidate(callout->timer_source);
CFRelease(callout->timer_source);
callout->timer_source = 0;
}
return;
}