11 #include <netlink/cli/utils.h> 12 #include <netlink/cli/addr.h> 13 #include <netlink/cli/link.h> 15 #include <linux/netlink.h> 17 static void print_usage(
void)
20 "Usage: nl-addr-list [OPTION]... [ADDRESS]\n" 23 " --details Show details on multiple lines.\n" 24 " --env Print address details in sh env variable syntax.\n" 25 " --prefix=STRING Prefix each printed line.\n" 26 " -h, --help Show this help.\n" 27 " -v, --version Show versioning information.\n" 30 " -a, --local=ADDR Local address.\n" 31 " -d, --dev=DEV Associated network device.\n" 32 " --family=FAMILY Family of local address.\n" 33 " --label=STRING Address label (IPv4).\n" 34 " --peer=ADDR Peer address (IPv4).\n" 35 " --scope=SCOPE Address scope (IPv4).\n" 36 " --broadcast=ADDR Broadcast address of network (IPv4).\n" 37 " --valid-lifetime=TS Valid lifetime before route expires (IPv6).\n" 38 " --preferred=TIME Preferred lifetime (IPv6).\n" 39 " --valid=TIME Valid lifetime (IPv6).\n" 52 static void env_dump(
struct nl_object *obj,
void *arg)
55 struct rtnl_addr *addr = (
struct rtnl_addr *) obj;
56 struct nl_cache *link_cache;
59 char buf[128], pfx[32], *s;
61 snprintf(pfx,
sizeof(pfx),
"ADDR%d", index++);
63 nl_dump_line(p,
"%s_FAMILY=%s\n", pfx,
64 nl_af2str(rtnl_addr_get_family(addr), buf,
sizeof(buf)));
66 nl_dump_line(p,
"%s_LOCAL=%s\n", pfx,
67 nl_addr2str(rtnl_addr_get_local(addr), buf,
sizeof(buf)));
69 nl_dump_line(p,
"%s_IFINDEX=%u\n", pfx, rtnl_addr_get_ifindex(addr));
72 nl_dump_line(p,
"%s_IFNAME=%s\n", pfx,
74 rtnl_addr_get_ifindex(addr),
77 if ((a = rtnl_addr_get_peer(addr)))
78 nl_dump_line(p,
"%s_PEER=%s\n", pfx,
81 if ((a = rtnl_addr_get_broadcast(addr)))
82 nl_dump_line(p,
"%s_BROADCAST=%s\n", pfx,
85 nl_dump_line(p,
"%s_SCOPE=%s\n", pfx,
86 rtnl_scope2str(rtnl_addr_get_scope(addr),
89 if ((s = rtnl_addr_get_label(addr)))
90 nl_dump_line(p,
"%s_LABEL=%s\n", pfx, s);
92 rtnl_addr_flags2str(rtnl_addr_get_flags(addr), buf,
sizeof(buf));
94 nl_dump_line(p,
"%s_FLAGS=%s\n", pfx, buf);
96 nl_dump_line(p,
"%s_CACHEINFO_VALID=%u\n", pfx,
97 rtnl_addr_get_valid_lifetime(addr));
100 nl_cache_put(link_cache);
103 if (addr->ce_mask & ADDR_ATTR_CACHEINFO) {
104 struct rtnl_addr_cacheinfo *ci = &addr->a_cacheinfo;
106 nl_dump_line(p,
"ADDR_CACHEINFO_PREFERRED=%u\n",
109 nl_dump_line(p,
"ADDR_CACHEINFO_CREATED=%u\n", ci->aci_cstamp);
110 nl_dump_line(p,
"ADDR_CACHEINFO_LASTUPDATE=%u\n",
116 int main(
int argc,
char *argv[])
118 struct nl_sock *sock;
119 struct rtnl_addr *addr;
120 struct nl_cache *link_cache, *addr_cache;
123 .dp_nl_cb = print_prefix,
128 sock = nl_cli_alloc_socket();
129 nl_cli_connect(sock, NETLINK_ROUTE);
130 link_cache = nl_cli_link_alloc_cache(sock);
131 addr_cache = nl_cli_addr_alloc_cache(sock);
132 addr = nl_cli_addr_alloc();
148 static struct option long_opts[] = {
149 {
"details", 0, 0, ARG_DETAILS },
150 {
"env", 0, 0, ARG_ENV },
151 {
"prefix", 1, 0, ARG_PREFIX },
152 {
"help", 0, 0,
'h' },
153 {
"version", 0, 0,
'v' },
154 {
"local", 1, 0,
'a' },
155 {
"dev", 1, 0,
'd' },
156 {
"family", 1, 0, ARG_FAMILY },
157 {
"label", 1, 0, ARG_LABEL },
158 {
"peer", 1, 0, ARG_PEER },
159 {
"scope", 1, 0, ARG_SCOPE },
160 {
"broadcast", 1, 0, ARG_BROADCAST },
161 {
"preferred", 1, 0, ARG_PREFERRED },
162 {
"valid", 1, 0, ARG_VALID },
166 c = getopt_long(argc, argv,
"46hva:d:", long_opts, &optidx);
171 case '?': exit(NLE_INVAL);
172 case '4': rtnl_addr_set_family(addr, AF_INET);
break;
173 case '6': rtnl_addr_set_family(addr, AF_INET6);
break;
175 case ARG_ENV: dump_env = 1;
break;
176 case ARG_PREFIX: prefix = strdup(optarg);
break;
177 case 'h': print_usage();
break;
178 case 'v': nl_cli_print_version();
break;
179 case 'a': nl_cli_addr_parse_local(addr, optarg);
break;
180 case 'd': nl_cli_addr_parse_dev(addr, link_cache, optarg);
break;
181 case ARG_FAMILY: nl_cli_addr_parse_family(addr, optarg);
break;
182 case ARG_LABEL: nl_cli_addr_parse_label(addr, optarg);
break;
183 case ARG_PEER: nl_cli_addr_parse_peer(addr, optarg);
break;
184 case ARG_SCOPE: nl_cli_addr_parse_scope(addr, optarg);
break;
185 case ARG_BROADCAST: nl_cli_addr_parse_broadcast(addr, optarg);
break;
186 case ARG_PREFERRED: nl_cli_addr_parse_preferred(addr, optarg);
break;
187 case ARG_VALID: nl_cli_addr_parse_valid(addr, optarg);
break;
Dump object briefly on one line.
struct nl_cache * nl_cache_mngt_require_safe(const char *name)
Return cache previously provided via nl_cache_mngt_provide()
enum nl_dump_type dp_type
Specifies the type of dump that is requested.
void nl_cache_dump_filter(struct nl_cache *cache, struct nl_dump_params *params, struct nl_object *filter)
Dump all elements of a cache (filtered).
void nl_cache_foreach_filter(struct nl_cache *cache, struct nl_object *filter, void(*cb)(struct nl_object *, void *), void *arg)
Call a callback on each element of the cache (filtered).
Dump all attributes but no statistics.
char * rtnl_link_i2name(struct nl_cache *cache, int ifindex, char *dst, size_t len)
Translate interface index to corresponding link name.
void nl_dump(struct nl_dump_params *params, const char *fmt,...)
Dump a formatted character string.
char * nl_addr2str(const struct nl_addr *addr, char *buf, size_t size)
Convert abstract address object to character string.