Function clusterManagerIsConfigConsistent

app/redis-6.2.6/src/redis-cli.c:4447–4472

}

static int clusterManagerIsConfigConsistent(void) {
    if (cluster_manager.nodes == NULL) return 0;
    int consistent = (listLength(cluster_manager.nodes) <= 1);
    // If the Cluster has only one node, it's always consistent
    if (consistent) return 1;
    sds first_cfg = NULL;
    listIter li;
    listNode *ln;
    listRewind(cluster_manager.nodes, &li);
    while ((ln = listNext(&li)) != NULL) {
        clusterManagerNode *node = ln->value;
        sds cfg = clusterManagerGetConfigSignature(node);
        if (cfg == NULL) {
            consistent = 0;
            break;
        }
        if (first_cfg == NULL) first_cfg = cfg;
        else {
            consistent = !sdscmp(first_cfg, cfg);
            sdsfree(cfg);
            if (!consistent) break;
        }
    }
    if (first_cfg != NULL) sdsfree(first_cfg);
    return consistent;
}

static list *clusterManagerGetDisconnectedLinks(clusterManagerNode *node) {
    list *links = NULL;