C++ (Cpp) ngx_bitvector_bit Examples

Example #1

File: ngx_http_upstream_hash_module.c Project: dukehoops/nginx_upstream_hash

/* retry implementation is PECL memcache compatible */
static void
ngx_http_upstream_free_hash_peer(ngx_peer_connection_t *pc, void *data,
    ngx_uint_t state)
{
    ngx_http_upstream_hash_peer_data_t  *uhpd = data;
    ngx_uint_t                           current;

    ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
            "upstream_hash: free upstream hash peer try %ui", pc->tries);

    if (state & (NGX_PEER_FAILED|NGX_PEER_NEXT)
            && pc->tries) {
        current = uhpd->hash % uhpd->peers->number;

        uhpd->tried[ngx_bitvector_index(current)] |= ngx_bitvector_bit(current);
        ngx_http_upstream_hash_next_peer(uhpd, &pc->tries, pc->log);
        ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0,
          "upstream_hash: Using %ui because %ui failed", uhpd->hash % uhpd->peers->number, current);
    } else {
        pc->tries = 0;
    }
}

Example #2

File: ngx_http_upstream_hash_module.c Project: alepharchives/nginx_upstream_hash

static void ngx_http_upstream_hash_next_peer(ngx_http_upstream_hash_peer_data_t *uhpd,
        ngx_uint_t *tries, ngx_log_t *log) {

    ngx_uint_t current;
    current = ngx_http_upstream_get_hash_peer_index(uhpd);
    //  Loop while there is a try left, we're on one we haven't tried, and
    // the current peer isn't marked down
    while ((*tries)-- && (
       (uhpd->tried[ngx_bitvector_index(current)] & ngx_bitvector_bit(current))
        || uhpd->peers->peer[current].down
#if (NGX_HTTP_HEALTHCHECK)
        || ngx_http_healthcheck_is_down(uhpd->peers->peer[current].health_index, log)
#endif
        )) {
       uhpd->current_key.len = ngx_sprintf(uhpd->current_key.data, "%d%V",
           ++uhpd->try_i, &uhpd->original_key) - uhpd->current_key.data;
       uhpd->hash += ngx_http_upstream_hash_crc32(uhpd->current_key.data,
           uhpd->current_key.len);
       current = ngx_http_upstream_get_hash_peer_index(uhpd);
       ngx_log_debug2(NGX_LOG_DEBUG_HTTP, log, 0,
           "upstream_hash: hashed \"%V\" to %ui", &uhpd->current_key, current);
   } 
}