1ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf/* 2ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf * src/nl-cls-delete.c Delete Classifier 3ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf * 4ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf * This library is free software; you can redistribute it and/or 5ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf * modify it under the terms of the GNU Lesser General Public 6ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf * License as published by the Free Software Foundation version 2.1 7ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf * of the License. 8ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf * 9ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf * Copyright (c) 2008 Thomas Graf <tgraf@suug.ch> 10ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf */ 11ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 12ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf#include "cls/utils.h" 13ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 14ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Grafstatic int interactive = 0, default_yes = 0, quiet = 0; 15ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Grafstatic int deleted = 0; 16ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Grafstatic struct nl_sock *sock; 17ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 18ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Grafstatic void print_usage(void) 19ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf{ 20ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf printf( 21ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf "Usage: nl-cls-list [OPTION]... [CLASSIFIER]\n" 22ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf "\n" 23ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf "Options\n" 24ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf " -i, --interactive Run interactively\n" 25ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf " --yes Set default answer to yes\n" 26ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf " -q, --quiet Do not print informal notifications\n" 27ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf " -h, --help Show this help\n" 28ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf " -v, --version Show versioning information\n" 29ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf "\n" 30ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf "Classifier Options\n" 31ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf " -d, --dev=DEV Device the classifier should be assigned to.\n" 32ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf " -p, --parent=HANDLE Parent qdisc/class\n" 33ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf " --proto=PROTO Protocol\n" 34ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf " --prio=NUM Priority (0..256)\n" 35ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf " --id=HANDLE Unique identifier\n" 36ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf ); 37ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf exit(0); 38ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf} 39ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 40ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Grafstatic void delete_cb(struct nl_object *obj, void *arg) 41ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf{ 42ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf struct rtnl_cls *cls = (struct rtnl_cls *) obj; 43ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf struct nl_dump_params params = { 44ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf .dp_type = NL_DUMP_LINE, 45ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf .dp_fd = stdout, 46ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf }; 47ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf int err; 48ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 49ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf if (interactive && !nlt_confirm(obj, ¶ms, default_yes)) 50ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf return; 51ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 52ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf if ((err = rtnl_cls_delete(sock, cls, 0)) < 0) 53ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf fatal(err, "Unable to delete classifier: %s", 54ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf nl_geterror(err)); 55ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 56ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf if (!quiet) { 57ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf printf("Deleted "); 58ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf nl_object_dump(obj, ¶ms); 59ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf } 60ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 61ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf deleted++; 62ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf} 63ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 64ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Grafint main(int argc, char *argv[]) 65ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf{ 66ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf struct nl_cache *link_cache, *cls_cache; 67ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf struct rtnl_cls *cls; 68ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf int nf = 0, err; 69ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 70ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf sock = nlt_alloc_socket(); 71ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf nlt_connect(sock, NETLINK_ROUTE); 72ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf link_cache = nlt_alloc_link_cache(sock); 73ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf cls = nlt_alloc_cls(); 74ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 75ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf for (;;) { 76ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf int c, optidx = 0; 77ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf enum { 78ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf ARG_PRIO = 257, 79ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf ARG_PROTO = 258, 80ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf ARG_ID, 81ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf ARG_YES, 82ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf }; 83ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf static struct option long_opts[] = { 84ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf { "interactive", 0, 0, 'i' }, 85ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf { "yes", 0, 0, ARG_YES }, 86ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf { "quiet", 0, 0, 'q' }, 87ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf { "help", 0, 0, 'h' }, 88ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf { "version", 0, 0, 'v' }, 89ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf { "dev", 1, 0, 'd' }, 90ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf { "parent", 1, 0, 'p' }, 91ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf { "proto", 1, 0, ARG_PROTO }, 92ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf { "prio", 1, 0, ARG_PRIO }, 93ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf { "id", 1, 0, ARG_ID }, 94ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf { 0, 0, 0, 0 } 95ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf }; 96ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 97ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf c = getopt_long(argc, argv, "iqhvd:p:", long_opts, &optidx); 98ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf if (c == -1) 99ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf break; 100ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 101ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf switch (c) { 102ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf case 'i': interactive = 1; break; 103ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf case ARG_YES: default_yes = 1; break; 104ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf case 'q': quiet = 1; break; 105ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf case 'h': print_usage(); break; 106ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf case 'v': nlt_print_version(); break; 107ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf case 'd': nf++; parse_dev(cls, link_cache, optarg); break; 108ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf case 'p': nf++; parse_parent(cls, optarg); break; 109ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf case ARG_PRIO: nf++; parse_prio(cls, optarg); break; 110ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf case ARG_ID: nf++; parse_handle(cls, optarg); break; 111ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf case ARG_PROTO: nf++; parse_proto(cls, optarg); break; 112ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf } 113ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf } 114ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 115ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf if (nf == 0 && !interactive && !default_yes) { 116ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf fprintf(stderr, "You attempted to delete all classifiers in " 117ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf "non-interactive mode, aborting.\n"); 118ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf exit(0); 119ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf } 120ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 121ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf err = rtnl_cls_alloc_cache(sock, rtnl_cls_get_ifindex(cls), 122ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf rtnl_cls_get_parent(cls), &cls_cache); 123ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf if (err < 0) 124ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf fatal(err, "Unable to allocate classifier cache: %s", 125ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf nl_geterror(err)); 126ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 127ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf nl_cache_foreach_filter(cls_cache, OBJ_CAST(cls), delete_cb, NULL); 128ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 129ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf if (!quiet) 130ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf printf("Deleted %d classifiers\n", deleted); 131ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf 132ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf return 0; 133ef858fb492dfe98e3ae194264fbc73649cf8493aThomas Graf} 134