Exemplo n.º 1
0
static void
rtpp_anetio_sthread(struct sthread_args *args)
{
    int n, nsend, i;
    struct rtpp_wi *wi, *wis[100];
#ifdef RTPP_DEBUG
    double tp[3], runtime, sleeptime;
    long run_n;

    runtime = sleeptime = 0.0;
    run_n = 0;
    tp[0] = getdtime();
#endif
    for (;;) {
        nsend = rtpp_queue_get_items(args->out_q, wis, 100, 0);
#ifdef RTPP_DEBUG
        tp[1] = getdtime();
#endif

        for (i = 0; i < nsend; i++) {
            wi = wis[i];
            if (wi->wi_type == RTPP_WI_TYPE_SGNL) {
                rtpp_wi_free(wi);
                goto out;
            }
            do {
                n = sendto(wi->sock, wi->msg, wi->msg_len, wi->flags,
                           wi->sendto, wi->tolen);
                if (wi->debug != 0) {
                    rtpp_log_write(RTPP_LOG_DBUG, args->glog,
                                   "rtpp_anetio_sthread: sendto(%d, %p, %d, %d, %p, %d) = %d",
                                   wi->sock, wi->msg, wi->msg_len, wi->flags, wi->sendto,
                                   wi->tolen, n);
                }
                if (n >= 0) {
                    wi->nsend--;
                } else if (n == -1 && errno != ENOBUFS) {
                    break;
                }
            } while (wi->nsend > 0);
            rtpp_wi_free(wi);
        }
#ifdef RTPP_DEBUG
        sleeptime += tp[1] - tp[0];
        tp[0] = getdtime();
        runtime += tp[0] - tp[1];
        if ((run_n % 10000) == 0) {
            rtpp_log_write(RTPP_LOG_DBUG, args->glog, "rtpp_anetio_sthread(%p): run %ld aload = %f filtered = %f", \
                           args, run_n, runtime / (runtime + sleeptime), args->average_load.lastval);
        }
        if (runtime + sleeptime > 1.0) {
            recfilter_apply(&args->average_load, runtime / (runtime + sleeptime));
            runtime = sleeptime = 0.0;
        }
        run_n += 1;
#endif
    }
out:
    return;
}
Exemplo n.º 2
0
static void
rtpp_proc_async_run(void *arg)
{
    struct cfg *cf;
    double last_tick_time;
    int alarm_tick, i, ndrain, rtp_only;
    struct rtpp_proc_async_cf *proc_cf;
    long long ncycles_ref;
#ifdef RTPP_DEBUG
    int ncycles_ref_pre, last_ctick;
#endif
    struct sign_arg *s_a;
    struct rtpp_wi *wi, *wis[10];
    struct sthread_args *sender;
    double tp[4];
    struct rtpp_proc_rstats *rstats;
    struct rtpp_stats_obj *stats_cf;

    cf = (struct cfg *)arg;
    proc_cf = cf->stable->rtpp_proc_cf;
    stats_cf = cf->stable->rtpp_stats;
    rstats = &proc_cf->rstats;

    last_tick_time = 0;
    wi = rtpp_queue_get_item(proc_cf->time_q, 0);
    s_a = (struct sign_arg *)rtpp_wi_sgnl_get_data(wi, NULL);
#ifdef RTPP_DEBUG
    last_ctick = s_a->clock_tick;
    ncycles_ref_pre = s_a->ncycles_ref;
#endif
    rtpp_wi_free(wi);

    tp[0] = getdtime();
    for (;;) {
        i = rtpp_queue_get_items(proc_cf->time_q, wis, 10, 0);
        if (i <= 0) {
            continue;
        }
        i -= 1;
        s_a = (struct sign_arg *)rtpp_wi_sgnl_get_data(wis[i], NULL);
        ndrain = (s_a->ncycles_ref - ncycles_ref) / (cf->stable->target_pfreq / MAX_RTP_RATE);
#ifdef RTPP_DEBUG
        last_ctick = s_a->clock_tick;
        ncycles_ref_pre = ncycles_ref;
#endif
        ncycles_ref = s_a->ncycles_ref;
        for(; i > -1; i--) {
            rtpp_wi_free(wis[i]);
        }

        tp[1] = getdtime();
#if RTPP_DEBUG
        if (last_ctick % (unsigned int)cf->stable->target_pfreq == 0 || last_ctick < 1000) {
            rtpp_log_write(RTPP_LOG_DBUG, cf->stable->glog, "run %lld sptime %f, CSV: %f,%f,%f", \
              last_ctick, tp[1], (double)last_ctick / cf->stable->target_pfreq, \
              ((double)ncycles_ref / cf->stable->target_pfreq) - tp[1], tp[1]);
        }
#endif

        if (ndrain < 1) {
            ndrain = 1;
        }

#if RTPP_DEBUG
        if (ndrain > 1) {
            rtpp_log_write(RTPP_LOG_DBUG, cf->stable->glog, "run %lld " \
              "ncycles_ref %lld, ncycles_ref_pre %lld, ndrain %d CSV: %f,%f,%d", \
              last_ctick, ncycles_ref, ncycles_ref_pre, ndrain, \
              (double)last_ctick / cf->stable->target_pfreq, ndrain);
        }
#endif

        alarm_tick = 0;
        if (last_tick_time == 0 || last_tick_time > tp[1]) {
            last_tick_time = tp[1];
        } else if (last_tick_time + (double)TIMETICK < tp[1]) {
            alarm_tick = 1;
            last_tick_time = tp[1];
        }

        if (alarm_tick || (ncycles_ref % 7) == 0) {
            rtp_only = 0;
        } else {
            rtp_only = 1;
        }

        pthread_mutex_lock(&cf->sessinfo.lock);
        if (cf->sessinfo.nsessions > 0) {
            if (rtp_only == 0) {
                i = poll(cf->sessinfo.pfds_rtcp, cf->sessinfo.nsessions, 0);
            }
            i = poll(cf->sessinfo.pfds_rtp, cf->sessinfo.nsessions, 0);
            pthread_mutex_unlock(&cf->sessinfo.lock);
            if (i < 0 && errno == EINTR) {
                rtpp_command_async_wakeup(cf->stable->rtpp_cmd_cf);
                tp[0] = getdtime();
                continue;
            }
        } else {
            pthread_mutex_unlock(&cf->sessinfo.lock);
        }

        tp[2] = getdtime();

        sender = rtpp_anetio_pick_sender(proc_cf->op);
        if (rtp_only == 0) {
            pthread_mutex_lock(&cf->glock);
            process_rtp(cf, tp[2], alarm_tick, ndrain, sender, rstats);
        } else {
            process_rtp_only(cf, tp[2], ndrain, sender, rstats);
            pthread_mutex_lock(&cf->glock);
        }

        if (cf->rtp_nsessions > 0) {
            process_rtp_servers(cf, tp[2], sender, rstats);
        }
        pthread_mutex_unlock(&cf->glock);
        rtpp_anetio_pump_q(sender);
        rtpp_command_async_wakeup(cf->stable->rtpp_cmd_cf);
        tp[3] = getdtime();
        flush_rstats(stats_cf, rstats);

#if RTPP_DEBUG
        recfilter_apply(&proc_cf->sleep_time, tp[1] - tp[0]);
        recfilter_apply(&proc_cf->poll_time, tp[2] - tp[1]);
        recfilter_apply(&proc_cf->proc_time, tp[3] - tp[2]);
#endif
        tp[0] = tp[3];
#if RTPP_DEBUG
        if (last_ctick % (unsigned int)cf->stable->target_pfreq == 0 || last_ctick < 1000) {
#if 0
            rtpp_log_write(RTPP_LOG_DBUG, cf->stable->glog, "run %lld eptime %f, CSV: %f,%f,%f", \
              last_ctick, tp[3], (double)last_ctick / cf->stable->target_pfreq, tp[3] - tp[1], tp[3]);
#endif
            rtpp_log_write(RTPP_LOG_DBUG, cf->stable->glog, "run %lld eptime %f sleep_time %f poll_time %f proc_time %f CSV: %f,%f,%f,%f", \
              last_ctick, tp[3], proc_cf->sleep_time.lastval, proc_cf->poll_time.lastval, proc_cf->proc_time.lastval, \
              (double)last_ctick / cf->stable->target_pfreq, proc_cf->sleep_time.lastval, proc_cf->poll_time.lastval, proc_cf->proc_time.lastval);
        }
#endif
    }

}
Exemplo n.º 3
0
static void
rtpp_anetio_sthread(struct sthread_args *args)
{
    int n, nsend, i, send_errno, nretry;
    struct rtpp_wi *wi, *wis[100];
#if RTPP_DEBUG_timers
    double tp[3], runtime, sleeptime;
    long run_n;

    runtime = sleeptime = 0.0;
    run_n = 0;
    tp[0] = getdtime();
#endif
    for (;;) {
        nsend = rtpp_queue_get_items(args->out_q, wis, 100, 0);
#if RTPP_DEBUG_timers
        tp[1] = getdtime();
#endif

        for (i = 0; i < nsend; i++) {
	    wi = wis[i];
            if (wi->wi_type == RTPP_WI_TYPE_SGNL) {
                rtpp_wi_free(wi);
                goto out;
            }
            nretry = 0;
            do {
                n = sendto(wi->sock, wi->msg, wi->msg_len, wi->flags,
                  wi->sendto, wi->tolen);
                send_errno = (n < 0) ? errno : 0;
#if RTPP_DEBUG_netio >= 1
                if (wi->debug != 0) {
                    char daddr[MAX_AP_STRBUF];

                    addrport2char_r(wi->sendto, daddr, sizeof(daddr), ':');
                    if (n < 0) {
                        RTPP_ELOG(wi->log, RTPP_LOG_DBUG,
                          "sendto(%d, %p, %lld, %d, %p (%s), %d) = %d",
                          wi->sock, wi->msg, (long long)wi->msg_len, wi->flags,
                          wi->sendto, daddr, wi->tolen, n);
                    } else if (n < wi->msg_len) {
                        RTPP_LOG(wi->log, RTPP_LOG_DBUG,
                          "sendto(%d, %p, %lld, %d, %p (%s), %d) = %d: short write",
                          wi->sock, wi->msg, (long long)wi->msg_len, wi->flags,
                          wi->sendto, daddr, wi->tolen, n);
#if RTPP_DEBUG_netio >= 2
                    } else {
                        RTPP_LOG(wi->log, RTPP_LOG_DBUG,
                          "sendto(%d, %p, %d, %d, %p (%s), %d) = %d",
                          wi->sock, wi->msg, wi->msg_len, wi->flags, wi->sendto, daddr,
                          wi->tolen, n);
#endif
                    }
                }
#endif
                if (n >= 0) {
                    wi->nsend--;
                } else {
                    /* "EPERM" is Linux thing, yield and retry */
                    if ((send_errno == EPERM || send_errno == ENOBUFS)
                      && nretry < RTPP_ANETIO_MAX_RETRY) {
                        sched_yield();
                        nretry++;
                    } else {
                        break;
                    }
                }
            } while (wi->nsend > 0);
            rtpp_wi_free(wi);
        }
#if RTPP_DEBUG_timers
        sleeptime += tp[1] - tp[0];
        tp[0] = getdtime();
        runtime += tp[0] - tp[1];
        if ((run_n % 10000) == 0) {
            RTPP_LOG(args->glog, RTPP_LOG_DBUG, "rtpp_anetio_sthread(%p): run %ld aload = %f filtered = %f", \
              args, run_n, runtime / (runtime + sleeptime), args->average_load.lastval);
        }
        if (runtime + sleeptime > 1.0) {
            recfilter_apply(&args->average_load, runtime / (runtime + sleeptime));
            runtime = sleeptime = 0.0;
        }
        run_n += 1;
#endif
    }
out:
    return;
}