1/* 2 * src/nl-class-delete.c Delete Traffic Classes 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation version 2.1 7 * of the License. 8 * 9 * Copyright (c) 2010 Thomas Graf <tgraf@suug.ch> 10 */ 11 12#include <netlink/cli/utils.h> 13#include <netlink/cli/class.h> 14#include <netlink/cli/link.h> 15 16static int quiet = 0, default_yes = 0, deleted = 0, interactive = 0; 17static struct nl_sock *sock; 18 19static void print_usage(void) 20{ 21 printf( 22 "Usage: nl-class-delete [OPTION]... [class]\n" 23 "\n" 24 "OPTIONS\n" 25 " --interactive Run interactively.\n" 26 " --yes Set default answer to yes.\n" 27 " -q, --quiet Do not print informal notifications.\n" 28 " -h, --help Show this help text and exit.\n" 29 " -v, --version Show versioning information and exit.\n" 30 "\n" 31 " -d, --dev=DEV Device the class is attached to.\n" 32 " -p, --parent=ID Identifier of parent qdisc/class.\n" 33 " -i, --id=ID Identifier\n" 34 " -k, --kind=NAME Kind of class (e.g. pfifo_fast)\n" 35 "\n" 36 "EXAMPLE\n" 37 " # Delete all classes on eth0 attached to parent 1:\n" 38 " $ nl-class-delete --dev eth0 --parent 1:\n" 39 "\n" 40 ); 41 42 exit(0); 43} 44 45static void delete_cb(struct nl_object *obj, void *arg) 46{ 47 struct rtnl_class *class = nl_object_priv(obj); 48 struct nl_dump_params params = { 49 .dp_type = NL_DUMP_LINE, 50 .dp_fd = stdout, 51 }; 52 int err; 53 54 if (interactive && !nl_cli_confirm(obj, ¶ms, default_yes)) 55 return; 56 57 if ((err = rtnl_class_delete(sock, class)) < 0) 58 nl_cli_fatal(err, "Unable to delete class: %s\n", nl_geterror(err)); 59 60 if (!quiet) { 61 printf("Deleted "); 62 nl_object_dump(obj, ¶ms); 63 } 64 65 deleted++; 66} 67 68int main(int argc, char *argv[]) 69{ 70 struct rtnl_class *class; 71 struct rtnl_tc *tc; 72 struct nl_cache *link_cache, *class_cache; 73 74 sock = nl_cli_alloc_socket(); 75 nl_cli_connect(sock, NETLINK_ROUTE); 76 link_cache = nl_cli_link_alloc_cache(sock); 77 class = nl_cli_class_alloc(); 78 tc = (struct rtnl_tc *) class; 79 80 for (;;) { 81 int c, optidx = 0; 82 enum { 83 ARG_YES = 257, 84 ARG_INTERACTIVE = 258, 85 }; 86 static struct option long_opts[] = { 87 { "interactive", 0, 0, ARG_INTERACTIVE }, 88 { "yes", 0, 0, ARG_YES }, 89 { "quiet", 0, 0, 'q' }, 90 { "help", 0, 0, 'h' }, 91 { "version", 0, 0, 'v' }, 92 { "dev", 1, 0, 'd' }, 93 { "parent", 1, 0, 'p' }, 94 { "id", 1, 0, 'i' }, 95 { "kind", 1, 0, 'k' }, 96 { 0, 0, 0, 0 } 97 }; 98 99 c = getopt_long(argc, argv, "qhvd:p:i:k:", long_opts, &optidx); 100 if (c == -1) 101 break; 102 103 switch (c) { 104 case '?': nl_cli_fatal(EINVAL, "Invalid options"); 105 case ARG_INTERACTIVE: interactive = 1; break; 106 case ARG_YES: default_yes = 1; break; 107 case 'q': quiet = 1; break; 108 case 'h': print_usage(); break; 109 case 'v': nl_cli_print_version(); break; 110 case 'd': nl_cli_tc_parse_dev(tc, link_cache, optarg); break; 111 case 'p': nl_cli_tc_parse_parent(tc, optarg); break; 112 case 'i': nl_cli_tc_parse_handle(tc, optarg, 0); break; 113 case 'k': nl_cli_tc_parse_kind(tc, optarg); break; 114 } 115 } 116 117 if (!rtnl_tc_get_ifindex(tc)) 118 nl_cli_fatal(EINVAL, "You must specify a network device (--dev=XXX)"); 119 120 class_cache = nl_cli_class_alloc_cache(sock, rtnl_tc_get_ifindex(tc)); 121 122 nl_cache_foreach_filter(class_cache, OBJ_CAST(class), delete_cb, NULL); 123 124 if (!quiet) 125 printf("Deleted %d classs\n", deleted); 126 127 return 0; 128} 129