Esempi in C++ (Cpp) per vr_htable_delete

Esempio n. 1

File: vr_mcast.c Progetto: JioCloud/contrail-vrouter

void
mcast_algo_deinit(struct vr_rtable *rtable, struct rtable_fspec *fs, bool soft_reset)
{
    if (!vn_rtable)
        return;

    vr_htable_trav(vn_rtable, 0, mcast_entry_free, NULL);
 
    if (!soft_reset) {
        vr_htable_delete(vn_rtable);
        rtable->algo_data = NULL;
        vn_rtable = NULL;
    }

}

Esempio n. 2

File: vr_htable.c Progetto: tcpcloud/contrail-vrouter

vr_htable_t
__vr_htable_create(struct vrouter *router, unsigned int entries,
        void *htable, unsigned int oentries, void *otable,
        unsigned int entry_size, unsigned int key_size,
        unsigned int bucket_size, get_hentry_key get_entry_key)
{
    int i;
    struct vr_htable *table;
    vr_hentry_t *ent, *prev;
    struct iovec iov;

    if (!entry_size || !entries || !get_entry_key)
        return NULL;

    if (!bucket_size)
        bucket_size = VR_HENTRIES_PER_BUCKET;

    /* Ceil to near upper number, which is dividable by bucket_size */
    entries = ((entries + bucket_size -1) / bucket_size) * bucket_size;

    table = vr_zalloc(sizeof(struct vr_htable), VR_HTABLE_OBJECT);
    if (!table) {
        vr_module_error(-ENOMEM, __FUNCTION__, __LINE__,
                                       sizeof(struct vr_htable));
        goto exit;
    }

    if (!htable) {
        table->ht_htable = vr_btable_alloc(entries, entry_size);
    } else {
        iov.iov_base = htable;
        iov.iov_len = entry_size * entries;
        table->ht_htable = vr_btable_attach(&iov, 1, entry_size);
    }

    if (!table->ht_htable) {
        vr_module_error(-ENOMEM, __FUNCTION__, __LINE__, entries);
        goto exit;
    }

    if (oentries) {

        if (!otable) {
            table->ht_otable = vr_btable_alloc(oentries, entry_size);
        } else {
            iov.iov_base = otable;
            iov.iov_len = entry_size * oentries;
            table->ht_otable = vr_btable_attach(&iov, 1, entry_size);
        }

        if (!table->ht_otable) {
            vr_module_error(-ENOMEM, __FUNCTION__, __LINE__, oentries);
            goto exit;
        }

        /*
         * If there is an over flow table, create the delete data for
         * main flow table
         */
        i = entries / bucket_size;
        table->ht_dtable = vr_btable_alloc(i,
                sizeof(struct vr_hentry_delete_data));
        if (!table->ht_dtable) {
            vr_module_error(-ENOMEM, __FUNCTION__, __LINE__, i);
            goto exit;
        }
    }

    for (i = 0; i < entries; i++) {
        ent = vr_btable_get(table->ht_htable, i);
        ent->hentry_index = i;
        ent->hentry_next_index = VR_INVALID_HENTRY_INDEX;
    }


    prev = NULL;
    for (i = 0; i < oentries; i++) {
        ent = vr_btable_get(table->ht_otable, i);
        ent->hentry_index = entries + i;
        ent->hentry_next_index = VR_INVALID_HENTRY_INDEX;
        if (i == 0)
            table->ht_free_oentry_head = ent;
        else
            prev->hentry_next = ent;

        ent->hentry_flags |= VR_HENTRY_FLAG_IN_FREE_LIST;
        prev = ent;
    }

    table->ht_hentries = entries;
    table->ht_oentries = oentries;
    table->ht_entry_size = entry_size;
    table->ht_key_size = key_size;
    table->ht_get_key = get_entry_key;
    table->ht_bucket_size = bucket_size;
    table->ht_router = router;
    table->ht_used_oentries = 0;

    return (vr_htable_t)table;

exit:
    vr_htable_delete((vr_htable_t)table);

    return NULL;
}