Example #1
0
/**
 * Print information about cache manager
 * @arg mngr		Cache manager
 * @arg p		Dumping parameters
 *
 * Prints information about the cache manager including all managed caches.
 *
 * @note This is a debugging function.
 */
void nl_cache_mngr_info(struct nl_cache_mngr *mngr, struct nl_dump_params *p)
{
	char buf[128];
	int i;

	nl_dump_line(p, "cache-manager <%p>\n", mngr);
	nl_dump_line(p, "  .protocol = %s\n",
		     nl_nlfamily2str(mngr->cm_protocol, buf, sizeof(buf)));
	nl_dump_line(p, "  .flags    = %#x\n", mngr->cm_flags);
	nl_dump_line(p, "  .nassocs  = %u\n", mngr->cm_nassocs);
	nl_dump_line(p, "  .sock     = <%p>\n", mngr->cm_sock);

	for (i = 0; i < mngr->cm_nassocs; i++) {
		struct nl_cache_assoc *assoc = &mngr->cm_assocs[i];

		if (assoc->ca_cache) {
			nl_dump_line(p, "  .cache[%d] = <%p> {\n", i, assoc->ca_cache);
			nl_dump_line(p, "    .name = %s\n", assoc->ca_cache->c_ops->co_name);
			nl_dump_line(p, "    .change_func = <%p>\n", assoc->ca_change);
			nl_dump_line(p, "    .change_data = <%p>\n", assoc->ca_change_data);
			nl_dump_line(p, "    .nitems = %u\n", nl_cache_nitems(assoc->ca_cache));
			nl_dump_line(p, "    .objects = {\n");

			p->dp_prefix += 6;
			nl_cache_dump(assoc->ca_cache, p);
			p->dp_prefix -= 6;

			nl_dump_line(p, "    }\n");
			nl_dump_line(p, "  }\n");
		}
	}
}
Example #2
0
static void list_cls(int ifindex, uint32_t parent)
{
	struct nl_cache *cls_cache;

	cls_cache = nl_cli_cls_alloc_cache(sock, ifindex, parent);

	params.dp_prefix += NUM_INDENT;
	nl_cache_dump(cls_cache, &params);
	params.dp_prefix -= NUM_INDENT;

	nl_cache_free(cls_cache);
}
Example #3
0
void TNl::DumpCache(struct nl_cache *cache) const {

    if (!Verbose)
        return;

    static std::function<void(struct nl_dump_params *, char *)> handler;

    struct nl_dump_params dp = {};
    dp.dp_cb = [](struct nl_dump_params *params, char *buf) { handler(params, buf); };
    dp.dp_type = NL_DUMP_DETAILS;

    auto &str = L();
    handler = [&](struct nl_dump_params *params, char *buf) { str << buf; };

    str << "netlink cache: ";
    nl_cache_dump(cache, &dp);
}
Example #4
0
static void print_qdisc(struct nl_object *obj, void *arg)
{
	struct rtnl_qdisc *qdisc = (struct rtnl_qdisc *) obj;
	struct nl_cache *cls_cache;
	uint32_t parent = rtnl_tc_get_handle((struct rtnl_tc *) qdisc);

	params.dp_prefix = (int)(long) arg;
	nl_object_dump(obj, &params);

	print_tc_childs(TC_CAST(qdisc), arg + 2);

	if (rtnl_cls_alloc_cache(sock, ifindex, parent, &cls_cache) < 0)
		return;

	params.dp_prefix = (int)(long) arg + 2;
	nl_cache_dump(cls_cache, &params);
	nl_cache_free(cls_cache);
}
Example #5
0
static void print_qdisc(struct nl_object *obj, void *arg)
{
	struct rtnl_qdisc *qdisc = (struct rtnl_qdisc *) obj;
	struct nl_cache *cls_cache;
	uint32_t parent = rtnl_qdisc_get_handle(qdisc);

	dump_params.dp_prefix = (int) arg;
	nl_object_dump(obj, &dump_params);

	rtnl_qdisc_foreach_child(qdisc, class_cache, &print_class, arg + 2);

	cls_cache = rtnl_cls_alloc_cache(nl_handle, ifindex, parent);
	if (!cls_cache)
		return;

	dump_params.dp_prefix = (int) arg + 2;
	nl_cache_dump(cls_cache, &dump_params);
	nl_cache_free(cls_cache);
}
Example #6
0
void TNlLink::LogCache(struct nl_cache *cache) const {
    if (!debug)
        return;

    static std::function<void(struct nl_dump_params *, char *)> handler;

    struct nl_dump_params dp = {};
    dp.dp_cb = [](struct nl_dump_params *params, char *buf) { handler(params, buf); };
    dp.dp_type = NL_DUMP_DETAILS;

    auto &str = L();
    handler = [&](struct nl_dump_params *params, char *buf) { str << buf; };

    if (Link)
        str << "netlink " << rtnl_link_get_name(Link) << " cache: ";
    else
        str << "netlink cache: ";
    nl_cache_dump(cache, &dp);
}
Example #7
0
int main(int argc, char *argv[])
{
	struct nl_sock *sock;
	struct nl_cache *neightbl_cache;
	struct nl_dump_params params = {
		.dp_type = NL_DUMP_LINE,
		.dp_fd = stdout,
	};

	sock = nl_cli_alloc_socket();
	nl_cli_connect(sock, NETLINK_ROUTE);
	nl_cli_link_alloc_cache(sock);
	neightbl_cache = nl_cli_alloc_cache(sock, "neighbour table",
					    rtnl_neightbl_alloc_cache);

	for (;;) {
		int c, optidx = 0;
		static struct option long_opts[] = {
			{ "format", 1, 0, 'f' },
			{ "help", 0, 0, 'h' },
			{ "version", 0, 0, 'v' },
			{ 0, 0, 0, 0 }
		};

		c = getopt_long(argc, argv, "f:hv", long_opts, &optidx);
		if (c == -1)
			break;

		switch (c) {
		case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
		case 'h': print_usage(); break;
		case 'v': nl_cli_print_version(); break;
		}
	}

	nl_cache_dump(neightbl_cache, &params);

	return 0;
}
Example #8
0
int main(int argc, char *argv[])
{
	struct nl_sock *sock;
	struct nl_cache *cache;
	struct nl_dump_params params = {
		.dp_type = NL_DUMP_LINE,
		.dp_fd = stdout,
	};

	if ((sock = nl_socket_alloc()) == 0)
		ERRX("Failed nl_socket_alloc");
	if (genl_connect(sock))
		ERRX("Failed genl_connect");
	
	if (genl_ctrl_alloc_cache(sock, &cache))
		ERRX("Failed genl_ctrl_alloc_cache");

	nl_cache_dump(cache, &params);


	return 0;
}
Example #9
0
static void print_class(struct nl_object *obj, void *arg)
{
	struct rtnl_qdisc *leaf;
	struct rtnl_class *class = (struct rtnl_class *) obj;
	struct nl_cache *cls_cache;
	uint32_t parent = rtnl_tc_get_handle((struct rtnl_tc *) class);

	params.dp_prefix = (int)(long) arg;
	nl_object_dump(obj, &params);

	leaf = rtnl_class_leaf_qdisc(class, qdisc_cache);
	if (leaf)
		print_qdisc((struct nl_object *) leaf, arg + 2);

	print_tc_childs(TC_CAST(class), arg + 2);

	if (rtnl_cls_alloc_cache(sock, ifindex, parent, &cls_cache) < 0)
		return;

	params.dp_prefix = (int)(long) arg + 2;
	nl_cache_dump(cls_cache, &params);
	nl_cache_free(cls_cache);
}
Example #10
0
int main(int argc, char *argv[])
{
	struct nl_handle *nlh;
	struct nl_cache *link_cache, *route_cache;
	struct nl_addr *dst;
	struct nl_dump_params params = {
		.dp_fd = stdout,
		.dp_type = NL_DUMP_BRIEF
	};
	int err = 1;

	if (argc < 2 || !strcmp(argv[1], "-h"))
		print_usage();

	if (nltool_init(argc, argv) < 0)
		goto errout;

	nlh = nl_handle_alloc_nondefault(nltool_cbset);
	if (!nlh)
		goto errout;

	if (nltool_connect(nlh, NETLINK_ROUTE) < 0)
		goto errout_free_handle;

	link_cache = nltool_alloc_link_cache(nlh);
	if (!link_cache)
		goto errout_close;

	dst = nltool_addr_parse(argv[1]);
	if (!dst)
		goto errout_link_cache;

	route_cache = nltool_alloc_route_cache(nlh);
	if (!route_cache)
		goto errout_addr_put;

	{
		struct nl_msg *m;
		struct rtmsg rmsg = {
			.rtm_family = nl_addr_get_family(dst),
			.rtm_dst_len = nl_addr_get_prefixlen(dst),
		};

		m = nlmsg_build_simple(RTM_GETROUTE, 0);
		nlmsg_append(m, &rmsg, sizeof(rmsg), 1);
		nla_put_addr(m, RTA_DST, dst);

		if ((err = nl_send_auto_complete(nlh, m)) < 0) {
			nlmsg_free(m);
			fprintf(stderr, "%s\n", nl_geterror());
			goto errout_route_cache;
		}

		nlmsg_free(m);

		nl_cb_set(nl_handle_get_cb(nlh), NL_CB_VALID, NL_CB_CUSTOM,
			  cb, route_cache);

		if (nl_recvmsgs_def(nlh) < 0) {
			fprintf(stderr, "%s\n", nl_geterror());
			goto errout_route_cache;
		}
	}

	nl_cache_dump(route_cache, &params);

	err = 0;
errout_route_cache:
	nl_cache_free(route_cache);
errout_addr_put:
	nl_addr_put(dst);
errout_link_cache:
	nl_cache_free(link_cache);
errout_close:
	nl_close(nlh);
errout_free_handle:
	nl_handle_destroy(nlh);
errout:
	return err;
}