Function ap_proxy_hashfunc

modules/proxy/proxy_util.c:4295–4320

* Provide a string hashing function for the proxy. * We offer 2 methods: one is the APR model but we * also provide our own, based on either FNV or SDBM. * The reason is in case we want to use both to ensure no * collisions. */

 * collisions.
 */
PROXY_DECLARE(unsigned int)
ap_proxy_hashfunc(const char *str, proxy_hash_t method)
{
    if (method == PROXY_HASHFUNC_APR) {
        apr_ssize_t slen = strlen(str);
        return apr_hashfunc_default(str, &slen);
    }
    else if (method == PROXY_HASHFUNC_FNV) {
        /* FNV model */
        unsigned int hash;
        const unsigned int fnv_prime = 0x811C9DC5;
        for (hash = 0; *str; str++) {
            hash *= fnv_prime;
            hash ^= (*str);
        }
        return hash;
    }
    else { /* method == PROXY_HASHFUNC_DEFAULT */
        /* SDBM model */
        unsigned int hash;
        for (hash = 0; *str; str++) {
            hash = (*str) + (hash << 6) + (hash << 16) - hash;
        }
        return hash;
    }
}

PROXY_DECLARE(apr_status_t) ap_proxy_set_wstatus(char c, int set, proxy_worker *w)
{