| /* |
| * src/nl-qdisc-delete.c Delete Queuing Disciplines |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation version 2.1 |
| * of the License. |
| * |
| * Copyright (c) 2003-2010 Thomas Graf <tgraf@suug.ch> |
| */ |
| |
| #include <netlink/cli/utils.h> |
| #include <netlink/cli/tc.h> |
| #include <netlink/cli/qdisc.h> |
| #include <netlink/cli/link.h> |
| |
| static int quiet = 0, default_yes = 0, deleted = 0, interactive = 0; |
| static struct nl_sock *sock; |
| |
| static void print_usage(void) |
| { |
| printf( |
| "Usage: nl-qdisc-delete [OPTION]... [QDISC]\n" |
| "\n" |
| "OPTIONS\n" |
| " --interactive Run interactively.\n" |
| " --yes Set default answer to yes.\n" |
| " -q, --quiet Do not print informal notifications.\n" |
| " -h, --help Show this help text and exit.\n" |
| " -v, --version Show versioning information and exit.\n" |
| "\n" |
| " -d, --dev=DEV Device the qdisc is attached to.\n" |
| " -p, --parent=ID Identifier of parent qdisc/class.\n" |
| " -i, --id=ID Identifier\n" |
| " -k, --kind=NAME Kind of qdisc (e.g. pfifo_fast)\n" |
| ); |
| |
| exit(0); |
| } |
| |
| static void delete_cb(struct nl_object *obj, void *arg) |
| { |
| struct rtnl_qdisc *qdisc = nl_object_priv(obj); |
| struct nl_dump_params params = { |
| .dp_type = NL_DUMP_LINE, |
| .dp_fd = stdout, |
| }; |
| int err; |
| |
| /* Ignore default qdiscs, unable to delete */ |
| if (rtnl_tc_get_handle((struct rtnl_tc *) qdisc) == 0) |
| return; |
| |
| if (interactive && !nl_cli_confirm(obj, ¶ms, default_yes)) |
| return; |
| |
| if ((err = rtnl_qdisc_delete(sock, qdisc)) < 0) |
| nl_cli_fatal(err, "Unable to delete qdisc: %s\n", nl_geterror(err)); |
| |
| if (!quiet) { |
| printf("Deleted "); |
| nl_object_dump(obj, ¶ms); |
| } |
| |
| deleted++; |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| struct rtnl_qdisc *qdisc; |
| struct rtnl_tc *tc; |
| struct nl_cache *link_cache, *qdisc_cache; |
| int nfilter = 0; |
| |
| sock = nl_cli_alloc_socket(); |
| nl_cli_connect(sock, NETLINK_ROUTE); |
| link_cache = nl_cli_link_alloc_cache(sock); |
| qdisc_cache = nl_cli_qdisc_alloc_cache(sock); |
| qdisc = nl_cli_qdisc_alloc(); |
| tc = (struct rtnl_tc *) qdisc; |
| |
| for (;;) { |
| int c, optidx = 0; |
| enum { |
| ARG_YES = 257, |
| ARG_INTERACTIVE = 258, |
| }; |
| static struct option long_opts[] = { |
| { "interactive", 0, 0, ARG_INTERACTIVE }, |
| { "yes", 0, 0, ARG_YES }, |
| { "quiet", 0, 0, 'q' }, |
| { "help", 0, 0, 'h' }, |
| { "version", 0, 0, 'v' }, |
| { "dev", 1, 0, 'd' }, |
| { "parent", 1, 0, 'p' }, |
| { "id", 1, 0, 'i' }, |
| { "kind", 1, 0, 'k' }, |
| { 0, 0, 0, 0 } |
| }; |
| |
| c = getopt_long(argc, argv, "qhvd:p:i:k:", long_opts, &optidx); |
| if (c == -1) |
| break; |
| |
| switch (c) { |
| case '?': nl_cli_fatal(EINVAL, "Invalid options"); |
| case ARG_INTERACTIVE: interactive = 1; break; |
| case ARG_YES: default_yes = 1; break; |
| case 'q': quiet = 1; break; |
| case 'h': print_usage(); break; |
| case 'v': nl_cli_print_version(); break; |
| case 'd': |
| nfilter++; |
| nl_cli_tc_parse_dev(tc, link_cache, optarg); |
| break; |
| case 'p': |
| nfilter++; |
| nl_cli_tc_parse_parent(tc, optarg); |
| break; |
| case 'i': |
| nfilter++; |
| nl_cli_tc_parse_handle(tc, optarg, 0); |
| break; |
| case 'k': |
| nfilter++; |
| nl_cli_tc_parse_kind(tc, optarg); |
| break; |
| } |
| } |
| |
| if (nfilter == 0 && !interactive && !default_yes) { |
| nl_cli_fatal(EINVAL, |
| "You are attempting to delete all qdiscs on all devices.\n" |
| "If you want to proceed, run nl-qdisc-delete --yes.\n" |
| "Aborting..."); |
| } |
| |
| nl_cache_foreach_filter(qdisc_cache, OBJ_CAST(qdisc), delete_cb, NULL); |
| |
| if (!quiet) |
| printf("Deleted %d qdiscs\n", deleted); |
| |
| return 0; |
| } |