Function clusterBlacklistAddNode

src/cluster.cpp:1269–1282

Cleanup the blacklist and add a new node ID to the black list. */

/* Cleanup the blacklist and add a new node ID to the black list. */
void clusterBlacklistAddNode(clusterNode *node) {
    dictEntry *de;
    sds id = sdsnewlen(node->name,CLUSTER_NAMELEN);

    clusterBlacklistCleanup();
    if (dictAdd(g_pserver->cluster->nodes_black_list,id,NULL) == DICT_OK) {
        /* If the key was added, duplicate the sds string representation of
         * the key for the next lookup. We'll free it at the end. */
        id = sdsdup(id);
    }
    de = dictFind(g_pserver->cluster->nodes_black_list,id);
    dictSetUnsignedIntegerVal(de,time(NULL)+CLUSTER_BLACKLIST_TTL);
    sdsfree(id);
}

/* Return non-zero if the specified node ID exists in the blacklist.
 * You don't need to pass an sds string here, any pointer to 40 bytes