C++ (Cpp) find_best_peer示例

示例#1

文件： remote.c 项目： HyunKwangYong/pacemaker

static st_query_result_t *
stonith_choose_peer(remote_fencing_op_t * op)
{
    const char *device = NULL;
    st_query_result_t *peer = NULL;
    uint32_t active = fencing_active_peers();

    do {
        if (op->devices) {
            device = op->devices->data;
            crm_trace("Checking for someone to fence %s with %s", op->target, device);
        } else {
            crm_trace("Checking for someone to fence %s", op->target);
        }

        peer = find_best_peer(device, op, FIND_PEER_SKIP_TARGET|FIND_PEER_VERIFIED_ONLY);
        if (peer) {
            crm_trace("Found verified peer %s for %s", peer->host, device?device:"<any>");
            return peer;
        }

        if(op->query_timer != 0 && op->replies < QB_MIN(op->replies_expected, active)) {
            crm_trace("Waiting before looking for unverified devices to fence %s", op->target);
            return NULL;
        }

        peer = find_best_peer(device, op, FIND_PEER_SKIP_TARGET);
        if (peer) {
            crm_trace("Found best unverified peer %s", peer->host);
            return peer;
        }

        peer = find_best_peer(device, op, FIND_PEER_TARGET_ONLY);
        if(peer) {
            crm_trace("%s will fence itself", peer->host);
            return peer;
        }

        /* Try the next fencing level if there is one */
    } while (is_set(op->call_options, st_opt_topology)
             && stonith_topology_next(op) == pcmk_ok);

    crm_notice("Couldn't find anyone to fence %s with %s", op->target, device?device:"<any>");
    return NULL;
}

示例#2

文件： remote.c 项目： vishnumitraha/pacemaker

static st_query_result_t *
stonith_choose_peer(remote_fencing_op_t * op)
{
    st_query_result_t *peer = NULL;
    const char *device = NULL;

    do {
        if (op->devices) {
            device = op->devices->data;
            crm_trace("Checking for someone to fence %s with %s", op->target,
                      (char *)op->devices->data);
        } else {
            crm_trace("Checking for someone to fence %s", op->target);
        }

        if ((peer = find_best_peer(device, op, FIND_PEER_SKIP_TARGET | FIND_PEER_VERIFIED_ONLY))) {
            return peer;
        } else if ((peer = find_best_peer(device, op, FIND_PEER_SKIP_TARGET))) {
            return peer;
        } else if ((peer = find_best_peer(device, op, FIND_PEER_TARGET_ONLY))) {
            return peer;
        }

        /* Try the next fencing level if there is one */
    } while (is_set(op->call_options, st_opt_topology)
             && stonith_topology_next(op) == pcmk_ok);

    if (op->devices) {
        crm_notice("Couldn't find anyone to fence %s with %s", op->target,
                   (char *)op->devices->data);
    } else {
        crm_debug("Couldn't find anyone to fence %s", op->target);
    }

    return NULL;
}