Function balancer_post_config

modules/proxy/mod_proxy_balancer.c:860–1057

post_config hook: */

/* post_config hook: */
static int balancer_post_config(apr_pool_t *pconf, apr_pool_t *plog,
                         apr_pool_t *ptemp, server_rec *s)
{
    apr_status_t rv;
    proxy_server_conf *conf;
    ap_slotmem_instance_t *new = NULL;
    apr_time_t tstamp;
    apr_array_header_t *ids;
    int idx;

    /* balancer_post_config() will be called twice during startup.  So, don't
     * set up the static data the 1st time through. */
    if (ap_state_query(AP_SQ_MAIN_STATE) == AP_SQ_MS_CREATE_PRE_CONFIG) {
        return OK;
    }

    ap_proxy_retry_worker_fn =
            APR_RETRIEVE_OPTIONAL_FN(ap_proxy_retry_worker);
    if (!ap_proxy_retry_worker_fn) {
        ap_log_error(APLOG_MARK, APLOG_EMERG, 0, s, APLOGNO(02230)
                     "mod_proxy must be loaded for mod_proxy_balancer");
        return !OK;
    }

    /*
     * Get slotmem setups
     */
    storage = ap_lookup_provider(AP_SLOTMEM_PROVIDER_GROUP, "shm",
                                 AP_SLOTMEM_PROVIDER_VERSION);
    if (!storage) {
        ap_log_error(APLOG_MARK, APLOG_EMERG, 0, s, APLOGNO(01177)
                     "Failed to lookup provider 'shm' for '%s': is "
                     "mod_slotmem_shm loaded??",
                     AP_SLOTMEM_PROVIDER_GROUP);
        return !OK;
    }

    ids = make_servers_ids(s, ptemp);

    tstamp = apr_time_now();
    /*
     * Go thru each Vhost and create the shared mem slotmem for
     * each balancer's workers
     */
    for (idx = 0; s; ++idx) {
        int i,j;
        const char *id;
        proxy_balancer *balancer;
        ap_slotmem_type_t type;
        void *sconf = s->module_config;
        conf = (proxy_server_conf *)ap_get_module_config(sconf, &proxy_module);
        /*
         * During create_proxy_config() we created a dummy id. Now that
         * we have identifying info, we can create the real id
         */
        id = APR_ARRAY_IDX(ids, idx, const char *);
        conf->id = apr_psprintf(pconf, "p%x",
                                ap_proxy_hashfunc(id, PROXY_HASHFUNC_DEFAULT));