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Added a get_rekey/reauth_time() jitter parameter to get time without randomization

This commit is contained in:
Martin Willi 2011-11-24 11:38:37 +01:00
parent b03c700d08
commit d08269c700
3 changed files with 12 additions and 10 deletions
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8
src/libcharon/config/peer_cfg.c
View File

@ -341,13 +341,13 @@ METHOD(peer_cfg_t, get_keyingtries, u_int32_t,
}
METHOD(peer_cfg_t, get_rekey_time, u_int32_t,
private_peer_cfg_t *this)
private_peer_cfg_t *this, bool jitter)
{
if (this->rekey_time == 0)
{
return 0;
}
if (this->jitter_time == 0)
if (this->jitter_time == 0 || !jitter)
{
return this->rekey_time;
}
@ -355,13 +355,13 @@ METHOD(peer_cfg_t, get_rekey_time, u_int32_t,
}
METHOD(peer_cfg_t, get_reauth_time, u_int32_t,
private_peer_cfg_t *this)
private_peer_cfg_t *this, bool jitter)
{
if (this->reauth_time == 0)
{
return 0;
}
if (this->jitter_time == 0)
if (this->jitter_time == 0 || !jitter)
{
return this->reauth_time;
}

10
src/libcharon/config/peer_cfg.h
View File

@ -227,18 +227,20 @@ struct peer_cfg_t {
u_int32_t (*get_keyingtries) (peer_cfg_t *this);
/**
* Get a time to start rekeying (is randomized with jitter).
* Get a time to start rekeying.
*
* @param jitter remove a jitter value to randomize time
* @return time in s when to start rekeying, 0 disables rekeying
*/
u_int32_t (*get_rekey_time)(peer_cfg_t *this);
u_int32_t (*get_rekey_time)(peer_cfg_t *this, bool jitter);
/**
* Get a time to start reauthentication (is randomized with jitter).
* Get a time to start reauthentication.
*
* @param jitter remove a jitter value to randomize time
* @return time in s when to start reauthentication, 0 disables it
*/
u_int32_t (*get_reauth_time)(peer_cfg_t *this);
u_int32_t (*get_reauth_time)(peer_cfg_t *this, bool jitter);
/**
* Get the timeout of a rekeying/reauthenticating SA.

4
src/libcharon/sa/ike_sa.c
View File

@ -642,7 +642,7 @@ METHOD(ike_sa_t, set_state, void,
/* schedule rekeying if we have a time which is smaller than
* an already scheduled rekeying */
t = this->peer_cfg->get_rekey_time(this->peer_cfg);
t = this->peer_cfg->get_rekey_time(this->peer_cfg, TRUE);
if (t && (this->stats[STAT_REKEY] == 0 ||
(this->stats[STAT_REKEY] > t + this->stats[STAT_ESTABLISHED])))
{
@ -651,7 +651,7 @@ METHOD(ike_sa_t, set_state, void,
lib->scheduler->schedule_job(lib->scheduler, job, t);
DBG1(DBG_IKE, "scheduling rekeying in %ds", t);
}
t = this->peer_cfg->get_reauth_time(this->peer_cfg);
t = this->peer_cfg->get_reauth_time(this->peer_cfg, TRUE);
if (t && (this->stats[STAT_REAUTH] == 0 ||
(this->stats[STAT_REAUTH] > t + this->stats[STAT_ESTABLISHED])))
{