int main(int argc, char *argv[]) { struct nl_sock *sock; struct nl_msg *msg; void *hdr; int err; sock = nlt_alloc_socket(); nlt_connect(sock, NETLINK_GENERIC); msg = nlmsg_alloc(); if (msg == NULL) fatal(NLE_NOMEM, "Unable to allocate netlink message"); hdr = genlmsg_put(msg, NL_AUTO_PID, NL_AUTO_SEQ, GENL_ID_CTRL, 0, 0, CTRL_CMD_GETFAMILY, 1); if (hdr == NULL) fatal(ENOMEM, "Unable to write genl header"); if ((err = nla_put_u32(msg, CTRL_ATTR_FAMILY_ID, GENL_ID_CTRL)) < 0) fatal(err, "Unable to add attribute: %s", nl_geterror(err)); if ((err = nl_send_auto_complete(sock, msg)) < 0) fatal(err, "Unable to send message: %s", nl_geterror(err)); if ((err = nl_recvmsgs_default(sock)) < 0) fatal(err, "Unable to receive message: %s", nl_geterror(err)); nlmsg_free(msg); nl_close(sock); nl_socket_free(sock); return 0; }
int main(int argc, char *argv[]) { struct nl_cache *link_cache; int dev = 0; params.dp_fd = stdout; sock = nlt_alloc_socket(); nlt_connect(sock, NETLINK_ROUTE); link_cache = nlt_alloc_link_cache(sock); cls = nlt_alloc_cls(); for (;;) { int c, optidx = 0; enum { ARG_PROTO = 257, ARG_PRIO = 258, ARG_ID, }; static struct option long_opts[] = { { "format", 1, 0, 'f' }, { "help", 0, 0, 'h' }, { "version", 0, 0, 'v' }, { "dev", 1, 0, 'd' }, { "parent", 1, 0, 'p' }, { "proto", 1, 0, ARG_PROTO }, { "prio", 1, 0, ARG_PRIO }, { "id", 1, 0, ARG_ID }, { 0, 0, 0, 0 } }; c = getopt_long(argc, argv, "+f:qhva:d:", long_opts, &optidx); if (c == -1) break; switch (c) { case '?': exit(NLE_INVAL); case 'f': params.dp_type = nlt_parse_dumptype(optarg); break; case 'h': print_usage(); break; case 'v': nlt_print_version(); break; case 'd': dev = 1; parse_dev(cls, link_cache, optarg); break; case 'p': parse_parent(cls, optarg); break; case ARG_PRIO: parse_prio(cls, optarg); break; case ARG_ID: parse_handle(cls, optarg); break; case ARG_PROTO: parse_proto(cls, optarg); break; } } if (!dev) nl_cache_foreach(link_cache, print_cls, NULL); else print_cls(NULL, NULL); return 0; }
int main(int argc, char *argv[]) { struct nl_sock *sock; struct rtnl_cls *cls; struct nl_cache *link_cache; struct rtnl_cls_ops *ops; struct cls_module *mod; struct nl_dump_params dp = { .dp_type = NL_DUMP_DETAILS, .dp_fd = stdout, }; char *kind; int err, nlflags = NLM_F_CREATE; sock = nlt_alloc_socket(); nlt_connect(sock, NETLINK_ROUTE); link_cache = nlt_alloc_link_cache(sock); cls = nlt_alloc_cls(); for (;;) { int c, optidx = 0; enum { ARG_PROTO = 257, ARG_PRIO = 258, ARG_ID, }; static struct option long_opts[] = { { "quiet", 0, 0, 'q' }, { "help", 0, 0, 'h' }, { "version", 0, 0, 'v' }, { "dev", 1, 0, 'd' }, { "parent", 1, 0, 'p' }, { "proto", 1, 0, ARG_PROTO }, { "prio", 1, 0, ARG_PRIO }, { "id", 1, 0, ARG_ID }, { 0, 0, 0, 0 } }; c = getopt_long(argc, argv, "+qhva:d:", long_opts, &optidx); if (c == -1) break; switch (c) { case '?': exit(NLE_INVAL); case 'q': quiet = 1; break; case 'h': print_usage(); break; case 'v': nlt_print_version(); break; case 'd': parse_dev(cls, link_cache, optarg); break; case 'p': parse_parent(cls, optarg); break; case ARG_PRIO: parse_prio(cls, optarg); break; case ARG_ID: parse_handle(cls, optarg); break; case ARG_PROTO: parse_proto(cls, optarg); break; } } if (optind >= argc) { print_usage(); fatal(EINVAL, "Missing classifier type"); } kind = argv[optind++]; if ((err = rtnl_cls_set_kind(cls, kind)) < 0) fatal(ENOENT, "Unknown classifier type \"%s\".", kind); ops = rtnl_cls_get_ops(cls); if (!(mod = lookup_cls_mod(ops))) fatal(ENOTSUP, "Classifier type \"%s\" not supported.", kind); mod->parse_argv(cls, argc, argv); printf("Adding "); nl_object_dump(OBJ_CAST(cls), &dp); if ((err = rtnl_cls_add(sock, cls, nlflags)) < 0) fatal(err, "Unable to add classifier: %s", nl_geterror(err)); if (!quiet) { printf("Added "); nl_object_dump(OBJ_CAST(cls), &dp); } return 0; }