Ejemplos de journal_rate_limit_group_new en C++ (Cpp)

Ejemplo n.º 1

Archivo: journald-rate-limit.c Proyecto: Miss6yka/systemd

int journal_rate_limit_test(JournalRateLimit *r, const char *id, int priority, uint64_t available) {
        unsigned h;
        JournalRateLimitGroup *g;
        JournalRateLimitPool *p;
        unsigned burst;
        usec_t ts;

        assert(id);

        if (!r)
                return 1;

        if (r->interval == 0 || r->burst == 0)
                return 1;

        burst = burst_modulate(r->burst, available);

        ts = now(CLOCK_MONOTONIC);

        h = string_hash_func(id);
        g = r->buckets[h % BUCKETS_MAX];

        LIST_FOREACH(bucket, g, g)
                if (streq(g->id, id))
                        break;

        if (!g) {
                g = journal_rate_limit_group_new(r, id, ts);
                if (!g)
                        return -ENOMEM;
        }

        p = &g->pools[priority_map[priority]];

        if (p->begin <= 0) {
                p->suppressed = 0;
                p->num = 1;
                p->begin = ts;
                return 1;
        }

        if (p->begin + r->interval < ts) {
                unsigned s;

                s = p->suppressed;
                p->suppressed = 0;
                p->num = 1;
                p->begin = ts;

                return 1 + s;
        }

        if (p->num <= burst) {
                p->num++;
                return 1;
        }

        p->suppressed++;
        return 0;
}

Ejemplo n.º 2

Archivo: journald-rate-limit.c Proyecto: dankor/systemd

int journal_rate_limit_test(JournalRateLimit *r, const char *id, int priority, uint64_t available) {
        uint64_t h;
        JournalRateLimitGroup *g;
        JournalRateLimitPool *p;
        struct siphash state;
        unsigned burst;
        usec_t ts;

        assert(id);

        /* Returns:
         *
         * 0     → the log message shall be suppressed,
         * 1 + n → the log message shall be permitted, and n messages were dropped from the peer before
         * < 0   → error
         */

        if (!r)
                return 1;

        if (r->interval == 0 || r->burst == 0)
                return 1;

        burst = burst_modulate(r->burst, available);

        ts = now(CLOCK_MONOTONIC);

        siphash24_init(&state, r->hash_key);
        string_hash_func(id, &state);
        h = siphash24_finalize(&state);
        g = r->buckets[h % BUCKETS_MAX];

        LIST_FOREACH(bucket, g, g)
                if (streq(g->id, id))
                        break;

        if (!g) {
                g = journal_rate_limit_group_new(r, id, ts);
                if (!g)
                        return -ENOMEM;
        }

        p = &g->pools[priority_map[priority]];

        if (p->begin <= 0) {
                p->suppressed = 0;
                p->num = 1;
                p->begin = ts;
                return 1;
        }

        if (p->begin + r->interval < ts) {
                unsigned s;

                s = p->suppressed;
                p->suppressed = 0;
                p->num = 1;
                p->begin = ts;

                return 1 + s;
        }

        if (p->num < burst) {
                p->num++;
                return 1;
        }

        p->suppressed++;
        return 0;
}