Function getClientPeerId

app/redis-6.2.6/src/networking.c:2273–2281

This function returns the client peer id, by creating and caching it * if client->peerid is NULL, otherwise returning the cached value. * The Peer ID never changes during the life of the client, however it * is expensive to compute. */

 * The Peer ID never changes during the life of the client, however it
 * is expensive to compute. */
char *getClientPeerId(client *c) {
    char peerid[NET_ADDR_STR_LEN];

    if (c->peerid == NULL) {
        genClientAddrString(c,peerid,sizeof(peerid),FD_TO_PEER_NAME);
        c->peerid = sdsnew(peerid);
    }
    return c->peerid;
}

/* This function returns the client bound socket name, by creating and caching
 * it if client->sockname is NULL, otherwise returning the cached value.