/*
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* src/nl-route-get.c Get Route Attributes
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
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*/
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#include <netlink/cli/utils.h>
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#include <netlink/cli/route.h>
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#include <netlink/cli/link.h>
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static void print_usage(void)
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{
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printf("Usage: nl-route-get <addr>\n");
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exit(1);
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}
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static void parse_cb(struct nl_object *obj, void *arg)
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{
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//struct rtnl_route *route = (struct rtnl_route *) obj;
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struct nl_dump_params params = {
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.dp_fd = stdout,
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.dp_type = NL_DUMP_DETAILS,
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};
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nl_object_dump(obj, ¶ms);
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}
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static int cb(struct nl_msg *msg, void *arg)
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{
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int err;
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if ((err = nl_msg_parse(msg, &parse_cb, NULL)) < 0)
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nl_cli_fatal(err, "Unable to parse object: %s", nl_geterror(err));
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return 0;
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}
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int main(int argc, char *argv[])
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{
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struct nl_sock *sock;
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struct nl_cache *link_cache, *route_cache;
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struct nl_addr *dst;
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int err = 1;
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if (argc < 2 || !strcmp(argv[1], "-h"))
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print_usage();
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sock = nl_cli_alloc_socket();
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nl_cli_connect(sock, NETLINK_ROUTE);
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link_cache = nl_cli_link_alloc_cache(sock);
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route_cache = nl_cli_route_alloc_cache(sock, 0);
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dst = nl_cli_addr_parse(argv[1], AF_INET);
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{
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struct nl_msg *m;
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struct rtmsg rmsg = {
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.rtm_family = nl_addr_get_family(dst),
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.rtm_dst_len = nl_addr_get_prefixlen(dst),
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};
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m = nlmsg_alloc_simple(RTM_GETROUTE, 0);
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if (!m)
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nl_cli_fatal(ENOMEM, "out of memory");
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if (nlmsg_append(m, &rmsg, sizeof(rmsg), NLMSG_ALIGNTO) < 0)
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nl_cli_fatal(ENOMEM, "out of memory");
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if (nla_put_addr(m, RTA_DST, dst) < 0)
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nl_cli_fatal(ENOMEM, "out of memory");
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err = nl_send_auto_complete(sock, m);
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nlmsg_free(m);
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if (err < 0)
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nl_cli_fatal(err, "%s", nl_geterror(err));
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nl_socket_modify_cb(sock, NL_CB_VALID, NL_CB_CUSTOM, cb, NULL);
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if (nl_recvmsgs_default(sock) < 0)
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nl_cli_fatal(err, "%s", nl_geterror(err));
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}
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//nl_cache_dump(route_cache, ¶ms);
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return 0;
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}
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