C++ (Cpp) nfnl_ct_get_proto Examples

Example #1

File: ct_obj.c Project: Distrotech/libnl

/* Compatible with /proc/net/nf_conntrack */
static void ct_dump_line(struct nl_object *a, struct nl_dump_params *p)
{
	struct nfnl_ct *ct = (struct nfnl_ct *) a;
	char buf[64];

	nl_new_line(p);

	if (nfnl_ct_test_proto(ct))
		nl_dump(p, "%s ",
		  nl_ip_proto2str(nfnl_ct_get_proto(ct), buf, sizeof(buf)));

	if (nfnl_ct_test_tcp_state(ct))
		nl_dump(p, "%s ",
			nfnl_ct_tcp_state2str(nfnl_ct_get_tcp_state(ct),
					      buf, sizeof(buf)));

	ct_dump_tuples(ct, p);

	if (nfnl_ct_test_mark(ct) && nfnl_ct_get_mark(ct))
		nl_dump(p, "mark %u ", nfnl_ct_get_mark(ct));

	if (nfnl_ct_test_zone(ct))
		nl_dump(p, "zone %hu ", nfnl_ct_get_zone(ct));

	if (nfnl_ct_test_timestamp(ct)) {
		const struct nfnl_ct_timestamp *tstamp = nfnl_ct_get_timestamp(ct);
		int64_t delta_time = tstamp->stop - tstamp->start;

		if (delta_time > 0)
			delta_time /= NSEC_PER_SEC;
		else
			delta_time = 0;
		nl_dump(p, "delta-time %llu ", delta_time);
	}

	nl_dump(p, "\n");
}

Example #2

File: ct.c Project: DedulyaOtmoroz/libnl

static int nfnl_ct_build_tuple(struct nl_msg *msg, const struct nfnl_ct *ct,
			       int repl)
{
	struct nlattr *tuple, *ip, *proto;
	struct nl_addr *addr;
	int family;

	family = nfnl_ct_get_family(ct);

	tuple = nla_nest_start(msg, repl ? CTA_TUPLE_REPLY : CTA_TUPLE_ORIG);
	if (!tuple)
		goto nla_put_failure;

	ip = nla_nest_start(msg, CTA_TUPLE_IP);
	if (!ip)
		goto nla_put_failure;

	addr = nfnl_ct_get_src(ct, repl);
	if (addr)
		NLA_PUT_ADDR(msg,
			     family == AF_INET ? CTA_IP_V4_SRC : CTA_IP_V6_SRC,
			     addr);

	addr = nfnl_ct_get_dst(ct, repl);
	if (addr)
		NLA_PUT_ADDR(msg,
			     family == AF_INET ? CTA_IP_V4_DST : CTA_IP_V6_DST,
			     addr);

	nla_nest_end(msg, ip);

	proto = nla_nest_start(msg, CTA_TUPLE_PROTO);
	if (!proto)
		goto nla_put_failure;

	if (nfnl_ct_test_proto(ct))
		NLA_PUT_U8(msg, CTA_PROTO_NUM, nfnl_ct_get_proto(ct));

	if (nfnl_ct_test_src_port(ct, repl))
		NLA_PUT_U16(msg, CTA_PROTO_SRC_PORT,
			htons(nfnl_ct_get_src_port(ct, repl)));

	if (nfnl_ct_test_dst_port(ct, repl))
		NLA_PUT_U16(msg, CTA_PROTO_DST_PORT,
			htons(nfnl_ct_get_dst_port(ct, repl)));

	if (family == AF_INET) {
		if (nfnl_ct_test_icmp_id(ct, repl))
			NLA_PUT_U16(msg, CTA_PROTO_ICMP_ID,
						htons(nfnl_ct_get_icmp_id(ct, repl)));

		if (nfnl_ct_test_icmp_type(ct, repl))
			NLA_PUT_U8(msg, CTA_PROTO_ICMP_TYPE,
					   nfnl_ct_get_icmp_type(ct, repl));

		if (nfnl_ct_test_icmp_code(ct, repl))
			NLA_PUT_U8(msg, CTA_PROTO_ICMP_CODE,
					   nfnl_ct_get_icmp_code(ct, repl));
	} else if (family == AF_INET6) {
		if (nfnl_ct_test_icmp_id(ct, repl))
			NLA_PUT_U16(msg, CTA_PROTO_ICMPV6_ID,
						htons(nfnl_ct_get_icmp_id(ct, repl)));

		if (nfnl_ct_test_icmp_type(ct, repl))
			NLA_PUT_U8(msg, CTA_PROTO_ICMPV6_TYPE,
					   nfnl_ct_get_icmp_type(ct, repl));

		if (nfnl_ct_test_icmp_code(ct, repl))
			NLA_PUT_U8(msg, CTA_PROTO_ICMPV6_CODE,
					   nfnl_ct_get_icmp_code(ct, repl));
	}

	nla_nest_end(msg, proto);

	nla_nest_end(msg, tuple);
	return 0;

nla_put_failure:
	return -NLE_MSGSIZE;
}