NA_timer_queue_aodv.h File Reference

#include <sys/time.h>
#include "NA_defs_aodv.h"
#include "NA_list.h"

Go to the source code of this file.

Classes
struct	timer
Typedefs
typedef void(NA_AODVUU::*	timeout_func_t )(void *)
Functions
void	timer_queue_init ()
int	timer_remove (struct timer *t)
void	timer_set_timeout (struct timer *t, long msec)
int	timer_timeout_now (struct timer *t)
struct timeval *	timer_age_queue ()
int	timer_init (struct timer *t, timeout_func_t f, void *data)
void	timer_add (struct timer *t)
void	timer_timeout (struct timeval *now)

---

Typedef Documentation

typedef void(NA_AODVUU::* timeout_func_t)(void *)

Definition at line 35 of file NA_timer_queue_aodv.h.

---

Function Documentation

void timer_add

(

struct timer *

t

)

Definition at line 85 of file NA_timer_queue_aodv.cc.

{
    /* Sanity checks: */
    if (!t)
    {
        perror("NULL timer!!!\n");
        exit(-1);
    }
    if (!t->handler)
    {
        perror("NULL handler!!!\n");
        exit(-1);
    }

    /* Make sure we remove unexpired timers before adding a new timeout... */
    if (t->used)
        timer_remove(t);

    t->used = 1;
    aodvTimerMap.insert(std::make_pair(t->timeout,t));
    return;
}

struct timeval* timer_age_queue

(

)

[read]

Definition at line 155 of file NA_timer_queue_aodv.cc.

{
    simtime_t now;
    simtime_t remaining;
    now = simTime();
    timer_timeout(now);
    if (aodvTimerMap.empty())
        return remaining;
    remaining =  aodvTimerMap.begin()->first - now;
    return remaining;
}

int timer_init	(	struct timer *	t,
		timeout_func_t	f,
		void *	data
	)

Definition at line 54 of file NA_timer_queue_aodv.cc.

{
    if (!t)
        return -1;
    t->handler = f;
    t->data = data;
    t->timeout = 0;
    t->used = 0;
    return 0;
}

void timer_queue_init

(

)

int timer_remove

(

struct timer *

t

)

Definition at line 108 of file NA_timer_queue_aodv.cc.

{
    if (!t)
        return -1;

    t->used = 0;
    for (AodvTimerMap::iterator it = aodvTimerMap.begin();it != aodvTimerMap.end();it++)
    {
        if (it->second == t)
        {
            aodvTimerMap.erase(it);
            return 1;
        }
    }
    return 0;
}

void timer_set_timeout	(	struct timer *	t,
		long	msec
	)

Definition at line 137 of file NA_timer_queue_aodv.cc.

{
    if (t->used)
    {
        timer_remove(t);
    }


    if (msec < 0)
    {
        DEBUG(LOG_WARNING, 0, "Negative timeout!!!");
        msec=0;
    }
    double auxtime = ((double)msec)/1000.0;
    t->timeout = simTime() + auxtime;
    timer_add(t);
}

void timer_timeout

(

struct timeval *

now

)

int timer_timeout_now

(

struct timer *

t

)

Definition at line 126 of file NA_timer_queue_aodv.cc.

{
    if (timer_remove(t)>0)
    {
        (*this.*t->handler) (t->data);
        return 1;
    }
    return -1;
}