Пример #1
0
bool TNlHtb::Valid(const TNlLink &link, uint32_t defaultClass) {
    int ret;
    struct nl_cache *qdiscCache;
    bool valid = true;

    ret = rtnl_qdisc_alloc_cache(link.GetSock(), &qdiscCache);
    if (ret < 0) {
        L_ERR() << "can't alloc qdisc cache" << std::endl;
        return false;
    }

    struct rtnl_qdisc *qdisc = rtnl_qdisc_get(qdiscCache, link.GetIndex(), Handle);
    if (qdisc) {
        link.Dump("found", qdisc);
        if (rtnl_tc_get_ifindex(TC_CAST(qdisc)) != link.GetIndex())
            valid = false;
        else if (rtnl_tc_get_parent(TC_CAST(qdisc)) != Parent)
            valid = false;
        else if (rtnl_tc_get_handle(TC_CAST(qdisc)) != Handle)
            valid = false;
        else if (rtnl_tc_get_kind(TC_CAST(qdisc)) != std::string("htb"))
            valid = false;
        else if (rtnl_htb_get_defcls(qdisc) != TC_H_MIN(defaultClass))
            valid = false;
    } else {
        valid = false;
    }

    rtnl_qdisc_put(qdisc);
    nl_cache_free(qdiscCache);

    return valid;
}
Пример #2
0
bool TNlHtb::Exists(const TNlLink &link) {
    int ret;
    struct nl_cache *qdiscCache;
    bool exists;

    ret = rtnl_qdisc_alloc_cache(link.GetSock(), &qdiscCache);
    if (ret < 0)
        return false;

    link.LogCache(qdiscCache);

    struct rtnl_qdisc *qdisc = rtnl_qdisc_get(qdiscCache, link.GetIndex(), Handle);
    exists = qdisc != nullptr;
    rtnl_qdisc_put(qdisc);
    nl_cache_free(qdiscCache);

    return exists;
}
Пример #3
0
bool TNlQdisc::Check(const TNl &nl) {
    struct nl_cache *qdiscCache;
    bool result = false;
    int ret;

    ret = rtnl_qdisc_alloc_cache(nl.GetSock(), &qdiscCache);
    if (ret < 0) {
        L_ERR() <<  nl.Error(ret, "cannot alloc qdisc cache") << std::endl;
        return false;
    }

    struct rtnl_qdisc *qdisc = rtnl_qdisc_get(qdiscCache, Index, Handle);
    if (!qdisc) {
        result = Kind == "";
        goto out;
    }

    nl.Dump("found", qdisc);
    if (rtnl_tc_get_ifindex(TC_CAST(qdisc)) != Index)
        goto out;

    if (rtnl_tc_get_parent(TC_CAST(qdisc)) != Parent)
        goto out;

    if (rtnl_tc_get_handle(TC_CAST(qdisc)) != Handle)
        goto out;

    if (rtnl_tc_get_kind(TC_CAST(qdisc)) != Kind)
        goto out;

    if (Kind == "htb") {
        if (rtnl_htb_get_defcls(qdisc) != Default)
            goto out;
    }

    result = true;

out:
    rtnl_qdisc_put(qdisc);
    nl_cache_free(qdiscCache);
    return result;
}