static int idiagnl_msg_parser(struct nl_cache_ops *ops, struct sockaddr_nl *who,
struct nlmsghdr *nlh, struct nl_parser_param *pp)
{
struct idiagnl_msg *msg = NULL;
int err = 0;
if ((err = idiagnl_msg_parse(nlh, &msg)) < 0)
return err;
err = pp->pp_cb((struct nl_object *) msg, pp);
idiagnl_msg_put(msg);
return err;
}
inline void cleanup(struct idiagnl_msg* msg) { idiagnl_msg_put(msg); }
int idiagnl_msg_parse(struct nlmsghdr *nlh, struct idiagnl_msg **result)
{
struct idiagnl_msg *msg = NULL;
struct inet_diag_msg *raw_msg = NULL;
struct nl_addr *src = NULL, *dst = NULL;
struct nlattr *tb[IDIAG_ATTR_MAX];
int err = 0;
msg = idiagnl_msg_alloc();
if (!msg)
goto errout_nomem;
err = nlmsg_parse(nlh, sizeof(struct inet_diag_msg), tb, IDIAG_ATTR_MAX,
ext_policy);
if (err < 0)
goto errout;
raw_msg = nlmsg_data(nlh);
msg->idiag_family = raw_msg->idiag_family;
msg->idiag_state = raw_msg->idiag_state;
msg->idiag_timer = raw_msg->idiag_timer;
msg->idiag_retrans = raw_msg->idiag_retrans;
msg->idiag_expires = raw_msg->idiag_expires;
msg->idiag_rqueue = raw_msg->idiag_rqueue;
msg->idiag_wqueue = raw_msg->idiag_wqueue;
msg->idiag_uid = raw_msg->idiag_uid;
msg->idiag_inode = raw_msg->idiag_inode;
msg->idiag_sport = raw_msg->id.idiag_sport;
msg->idiag_dport = raw_msg->id.idiag_dport;
msg->idiag_ifindex = raw_msg->id.idiag_if;
dst = nl_addr_build(raw_msg->idiag_family, raw_msg->id.idiag_dst,
sizeof(raw_msg->id.idiag_dst));
if (!dst)
goto errout_nomem;
err = idiagnl_msg_set_dst(msg, dst);
if (err < 0)
goto errout;
nl_addr_put(dst);
src = nl_addr_build(raw_msg->idiag_family, raw_msg->id.idiag_src,
sizeof(raw_msg->id.idiag_src));
if (!src)
goto errout_nomem;
err = idiagnl_msg_set_src(msg, src);
if (err < 0)
goto errout;
nl_addr_put(src);
if (tb[IDIAG_ATTR_TOS])
msg->idiag_tos = nla_get_u8(tb[IDIAG_ATTR_TOS]);
if (tb[IDIAG_ATTR_TCLASS])
msg->idiag_tclass = nla_get_u8(tb[IDIAG_ATTR_TCLASS]);
if (tb[IDIAG_ATTR_SHUTDOWN])
msg->idiag_shutdown = nla_get_u8(tb[IDIAG_ATTR_SHUTDOWN]);
if (tb[IDIAG_ATTR_CONG])
msg->idiag_cong = nla_strdup(tb[IDIAG_ATTR_CONG]);
if (tb[IDIAG_ATTR_INFO])
nla_memcpy(&msg->idiag_tcpinfo, tb[IDIAG_ATTR_INFO],
sizeof(msg->idiag_tcpinfo));
if (tb[IDIAG_ATTR_MEMINFO]) {
struct idiagnl_meminfo *minfo = idiagnl_meminfo_alloc();
struct inet_diag_meminfo *raw_minfo = NULL;
if (!minfo)
goto errout_nomem;
raw_minfo = (struct inet_diag_meminfo *)
nla_data(tb[IDIAG_ATTR_MEMINFO]);
idiagnl_meminfo_set_rmem(minfo, raw_minfo->idiag_rmem);
idiagnl_meminfo_set_wmem(minfo, raw_minfo->idiag_wmem);
idiagnl_meminfo_set_fmem(minfo, raw_minfo->idiag_fmem);
idiagnl_meminfo_set_tmem(minfo, raw_minfo->idiag_tmem);
msg->idiag_meminfo = minfo;
}
if (tb[IDIAG_ATTR_VEGASINFO]) {
struct idiagnl_vegasinfo *vinfo = idiagnl_vegasinfo_alloc();
struct tcpvegas_info *raw_vinfo = NULL;
if (!vinfo)
goto errout_nomem;
raw_vinfo = (struct tcpvegas_info *)
nla_data(tb[IDIAG_ATTR_VEGASINFO]);
idiagnl_vegasinfo_set_enabled(vinfo, raw_vinfo->tcpv_enabled);
idiagnl_vegasinfo_set_rttcnt(vinfo, raw_vinfo->tcpv_rttcnt);
idiagnl_vegasinfo_set_rtt(vinfo, raw_vinfo->tcpv_rtt);
idiagnl_vegasinfo_set_minrtt(vinfo, raw_vinfo->tcpv_minrtt);
msg->idiag_vegasinfo = vinfo;
}
if (tb[IDIAG_ATTR_SKMEMINFO])
nla_memcpy(&msg->idiag_skmeminfo, tb[IDIAG_ATTR_SKMEMINFO],
sizeof(msg->idiag_skmeminfo));
*result = msg;
return 0;
errout:
idiagnl_msg_put(msg);
return err;
errout_nomem:
err = -NLE_NOMEM;
goto errout;
}
