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[MINOR] spread checks also when the server is OK.

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Initial patch only managed to spread the checks when the checks
failed. The randomization code needs to be added also in the path
where the server is going fine.
This commit is contained in:
Willy Tarreau 2007-10-14 23:47:04 +02:00
parent 2c43a1e2f0
commit 44ec0f003d
1 changed files with 10 additions and 5 deletions
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15
src/checks.c
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@ -491,8 +491,14 @@ void process_chk(struct task *t, struct timeval *next)
}
s->curfd = -1; /* no check running anymore */
fd_delete(fd);
while (tv_isle(&t->expire, &now))
tv_ms_add(&t->expire, &t->expire, s->inter);
rv = 0;
if (global.spread_checks > 0) {
rv = s->inter * global.spread_checks / 100;
rv -= (int) (2 * rv * (rand() / (RAND_MAX + 1.0)));
//fprintf(stderr, "process_chk(%p): (%d+/-%d%%) random=%d\n", s, s->inter, global.spread_checks, rv);
}
tv_ms_add(&t->expire, &now, s->inter + rv);
goto new_chk;
}
else if (s->result < 0 || tv_isle(&t->expire, &now)) {
@ -511,10 +517,9 @@ void process_chk(struct task *t, struct timeval *next)
if (global.spread_checks > 0) {
rv = s->inter * global.spread_checks / 100;
rv -= (int) (2 * rv * (rand() / (RAND_MAX + 1.0)));
//fprintf(stderr, "process_chk: (%d+/-%d%%) random=%d\n", s->inter, global.spread_checks, rv);
//fprintf(stderr, "process_chk(%p): (%d+/-%d%%) random=%d\n", s, s->inter, global.spread_checks, rv);
}
while (tv_isle(&t->expire, &now))
tv_ms_add(&t->expire, &t->expire, s->inter + rv);
tv_ms_add(&t->expire, &now, s->inter + rv);
goto new_chk;
}
/* if result is 0 and there's no timeout, we have to wait again */