Function clusterLookupNode

app/redis-6.2.6/src/cluster.c:1025–1033

Node lookup by name */

/* Node lookup by name */
clusterNode *clusterLookupNode(const char *name) {
    sds s = sdsnewlen(name, CLUSTER_NAMELEN);
    dictEntry *de;

    de = dictFind(server.cluster->nodes,s);
    sdsfree(s);
    if (de == NULL) return NULL;
    return dictGetVal(de);
}

/* This is only used after the handshake. When we connect a given IP/PORT
 * as a result of CLUSTER MEET we don't have the node name yet, so we