1/* 2 * src/nl-cls-list.c List classifiers 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) 2008 Thomas Graf <tgraf@suug.ch> 10 */ 11 12#include "cls/utils.h" 13 14static struct nl_sock *sock; 15static struct rtnl_cls *cls; 16static struct nl_dump_params params = { 17 .dp_type = NL_DUMP_LINE, 18}; 19 20static void print_usage(void) 21{ 22 printf( 23 "Usage: nl-cls-list [OPTION]... [CLASSIFIER]\n" 24 "\n" 25 "Options\n" 26 " -f, --format=TYPE Output format { brief | details | stats }\n" 27 " -h, --help Show this help text.\n" 28 " -v, --version Show versioning information.\n" 29 "\n" 30 "Classifier Options\n" 31 " -d, --dev=DEV Device the classifier should be assigned to.\n" 32 " -p, --parent=HANDLE Parent qdisc/class\n" 33 " --proto=PROTO Protocol\n" 34 " --prio=NUM Priority\n" 35 " --id=NUM Identifier\n" 36 ); 37 exit(0); 38} 39 40static void print_cls(struct nl_object *obj, void *arg) 41{ 42 struct nl_cache *cls_cache; 43 int err, ifindex; 44 45 if (obj) 46 ifindex = rtnl_link_get_ifindex((struct rtnl_link *) obj); 47 else 48 ifindex = rtnl_cls_get_ifindex(cls); 49 50 err = rtnl_cls_alloc_cache(sock, ifindex, rtnl_cls_get_parent(cls), 51 &cls_cache); 52 if (err < 0) 53 fatal(err, "Unable to allocate classifier cache: %s", 54 nl_geterror(err)); 55 56 nl_cache_dump_filter(cls_cache, ¶ms, OBJ_CAST(cls)); 57 nl_cache_free(cls_cache); 58} 59 60int main(int argc, char *argv[]) 61{ 62 struct nl_cache *link_cache; 63 int dev = 0; 64 65 params.dp_fd = stdout; 66 sock = nlt_alloc_socket(); 67 nlt_connect(sock, NETLINK_ROUTE); 68 link_cache = nlt_alloc_link_cache(sock); 69 cls = nlt_alloc_cls(); 70 71 for (;;) { 72 int c, optidx = 0; 73 enum { 74 ARG_PROTO = 257, 75 ARG_PRIO = 258, 76 ARG_ID, 77 }; 78 static struct option long_opts[] = { 79 { "format", 1, 0, 'f' }, 80 { "help", 0, 0, 'h' }, 81 { "version", 0, 0, 'v' }, 82 { "dev", 1, 0, 'd' }, 83 { "parent", 1, 0, 'p' }, 84 { "proto", 1, 0, ARG_PROTO }, 85 { "prio", 1, 0, ARG_PRIO }, 86 { "id", 1, 0, ARG_ID }, 87 { 0, 0, 0, 0 } 88 }; 89 90 c = getopt_long(argc, argv, "+f:qhva:d:", long_opts, &optidx); 91 if (c == -1) 92 break; 93 94 switch (c) { 95 case '?': exit(NLE_INVAL); 96 case 'f': params.dp_type = nlt_parse_dumptype(optarg); break; 97 case 'h': print_usage(); break; 98 case 'v': nlt_print_version(); break; 99 case 'd': dev = 1; parse_dev(cls, link_cache, optarg); break; 100 case 'p': parse_parent(cls, optarg); break; 101 case ARG_PRIO: parse_prio(cls, optarg); break; 102 case ARG_ID: parse_handle(cls, optarg); break; 103 case ARG_PROTO: parse_proto(cls, optarg); break; 104 } 105 } 106 107 if (!dev) 108 nl_cache_foreach(link_cache, print_cls, NULL); 109 else 110 print_cls(NULL, NULL); 111 112 return 0; 113} 114