Function clusterManagerNodeSlotsString

src/redis-cli.c:2779–2806

Return a representable string of the node's slots */

/* Return a representable string of the node's slots */
static sds clusterManagerNodeSlotsString(clusterManagerNode *node) {
    sds slots = sdsempty();
    int first_range_idx = -1, last_slot_idx = -1, i;
    for (i = 0; i < CLUSTER_MANAGER_SLOTS; i++) {
        int has_slot = node->slots[i];
        if (has_slot) {
            if (first_range_idx == -1) {
                if (sdslen(slots)) slots = sdscat(slots, ",");
                first_range_idx = i;
                slots = sdscatfmt(slots, "[%u", i);
            }
            last_slot_idx = i;
        } else {
            if (last_slot_idx >= 0) {
                if (first_range_idx == last_slot_idx)
                    slots = sdscat(slots, "]");
                else slots = sdscatfmt(slots, "-%u]", last_slot_idx);
            }
            last_slot_idx = -1;
            first_range_idx = -1;
        }
    }
    if (last_slot_idx >= 0) {
        if (first_range_idx == last_slot_idx) slots = sdscat(slots, "]");
        else slots = sdscatfmt(slots, "-%u]", last_slot_idx);
    }
    return slots;
}

static sds clusterManagerNodeGetJSON(clusterManagerNode *node,
                                     unsigned long error_count)