3 #include <netlink/netlink.h>
4 #include <netlink/types.h>
5 #include <netlink/socket.h>
6 #include <netlink/msg.h>
7 #include <netlink/object.h>
8 #include <netlink/cache.h>
15 struct nl_dump_params *alloc_dump_params(void)
17 struct nl_dump_params *dp;
18 if (!(dp = calloc(1, sizeof(*dp))))
24 void free_dump_params(struct nl_dump_params *dp)
30 /* <netlink/types.h> */
33 NL_DUMP_LINE, /**< Dump object briefly on one line */
34 NL_DUMP_DETAILS, /**< Dump all attributes but no statistics */
35 NL_DUMP_STATS, /**< Dump all attributes including statistics */
42 * Specifies the type of dump that is requested.
44 enum nl_dump_type dp_type;
47 * Specifies the number of whitespaces to be put in front
48 * of every new line (indentation).
53 * Causes the cache index to be printed for each element.
58 * Causes each element to be prefixed with the message type.
63 * A callback invoked for output
65 * Passed arguments are:
66 * - dumping parameters
67 * - string to append to the output
69 void (*dp_cb)(struct nl_dump_params *, char *);
72 * A callback invoked for every new line, can be used to
73 * customize the indentation.
75 * Passed arguments are:
76 * - dumping parameters
77 * - line number starting from 0
79 void (*dp_nl_cb)(struct nl_dump_params *, int);
82 * User data pointer, can be used to pass data to callbacks.
87 * File descriptor the dumping output should go to
92 * Alternatively the output may be redirected into a buffer
97 * Length of the buffer dp_buf
103 * Set if a dump was performed prior to the actual dump handler.
109 * Owned by the current caller
113 unsigned int dp_line;
116 /* <netlink/errno.h> */
117 extern const char *nl_geterror(int);
119 /* <netlink/utils.h> */
121 extern double nl_cancel_down_bytes(unsigned long long, char **);
122 extern double nl_cancel_down_bits(unsigned long long, char **);
123 %cstring_output_maxsize(char *buf, size_t len)
124 extern int nl_rate2str(unsigned long long rate, int type, char *buf, size_t len);
125 extern double nl_cancel_down_us(uint32_t, char **);
127 extern long nl_size2int(const char *);
128 %cstring_output_maxsize(char *buf, const size_t len)
129 extern char *nl_size2str(const size_t, char *buf, const size_t len);
130 extern long nl_prob2int(const char *);
132 extern int nl_get_user_hz(void);
133 extern uint32_t nl_us2ticks(uint32_t);
134 extern uint32_t nl_ticks2us(uint32_t);
135 extern int nl_str2msec(const char *, uint64_t *);
137 %cstring_output_maxsize(char *buf, size_t len)
138 extern char *nl_msec2str(uint64_t, char *buf, size_t len);
140 %cstring_output_maxsize(char *buf, size_t len)
141 extern char *nl_llproto2str(int, char *buf, size_t len);
142 extern int nl_str2llproto(const char *);
144 %cstring_output_maxsize(char *buf, size_t len)
145 extern char *nl_ether_proto2str(int, char *buf, size_t len);
146 extern int nl_str2ether_proto(const char *);
148 %cstring_output_maxsize(char *buf, size_t len)
149 extern char *nl_ip_proto2str(int, char *buf, size_t len);
150 extern int nl_str2ip_proto(const char *);
152 extern void nl_new_line(struct nl_dump_params *);
153 extern void nl_dump(struct nl_dump_params *, const char *, ...);
154 extern void nl_dump_line(struct nl_dump_params *, const char *, ...);
156 /* <netlink/netlink.h> */
157 extern struct nl_dump_params *alloc_dump_params(void);
158 extern void free_dump_params(struct nl_dump_params *);
160 extern int nl_connect(struct nl_sock *, int);
161 extern void nl_close(struct nl_sock *);
163 /* <netlink/socket.h> */
164 extern struct nl_sock *nl_socket_alloc(void);
165 extern struct nl_sock *nl_socket_alloc_cb(struct nl_cb *);
166 extern void nl_socket_free(struct nl_sock *);
168 extern uint32_t nl_socket_get_local_port(const struct nl_sock *);
169 extern void nl_socket_set_local_port(struct nl_sock *, uint32_t);
171 extern uint32_t nl_socket_get_peer_port(const struct nl_sock *);
172 extern void nl_socket_set_peer_port(struct nl_sock *, uint32_t);
174 extern uint32_t nl_socket_get_peer_groups(const struct nl_sock *sk);
175 extern void nl_socket_set_peer_groups(struct nl_sock *sk, uint32_t groups);
177 extern int nl_socket_set_buffer_size(struct nl_sock *, int, int);
179 /* <netlink/msg.h> */
180 extern int nlmsg_size(int);
181 extern int nlmsg_total_size(int);
182 extern int nlmsg_padlen(int);
184 extern void * nlmsg_data(const struct nlmsghdr *);
185 extern int nlmsg_datalen(const struct nlmsghdr *);
186 extern void * nlmsg_tail(const struct nlmsghdr *);
188 /* attribute access */
189 extern struct nlattr * nlmsg_attrdata(const struct nlmsghdr *, int);
190 extern int nlmsg_attrlen(const struct nlmsghdr *, int);
192 /* message parsing */
193 extern int nlmsg_valid_hdr(const struct nlmsghdr *, int);
194 extern int nlmsg_ok(const struct nlmsghdr *, int);
195 extern struct nlmsghdr * nlmsg_next(struct nlmsghdr *, int *);
196 extern int nlmsg_parse(struct nlmsghdr *, int, struct nlattr **,
197 int, struct nla_policy *);
198 extern struct nlattr * nlmsg_find_attr(struct nlmsghdr *, int, int);
199 extern int nlmsg_validate(struct nlmsghdr *, int, int,
200 struct nla_policy *);
202 extern struct nl_msg * nlmsg_alloc(void);
203 extern struct nl_msg * nlmsg_alloc_size(size_t);
204 extern struct nl_msg * nlmsg_alloc_simple(int, int);
205 extern void nlmsg_set_default_size(size_t);
206 extern struct nl_msg * nlmsg_inherit(struct nlmsghdr *);
207 extern struct nl_msg * nlmsg_convert(struct nlmsghdr *);
208 extern void * nlmsg_reserve(struct nl_msg *, size_t, int);
209 extern int nlmsg_append(struct nl_msg *, void *, size_t, int);
210 extern int nlmsg_expand(struct nl_msg *, size_t);
212 extern struct nlmsghdr * nlmsg_put(struct nl_msg *, uint32_t, uint32_t,
214 extern struct nlmsghdr * nlmsg_hdr(struct nl_msg *);
215 extern void nlmsg_get(struct nl_msg *);
216 extern void nlmsg_free(struct nl_msg *);
218 /* attribute modification */
219 extern void nlmsg_set_proto(struct nl_msg *, int);
220 extern int nlmsg_get_proto(struct nl_msg *);
221 extern size_t nlmsg_get_max_size(struct nl_msg *);
222 extern void nlmsg_set_src(struct nl_msg *, struct sockaddr_nl *);
223 extern struct sockaddr_nl *nlmsg_get_src(struct nl_msg *);
224 extern void nlmsg_set_dst(struct nl_msg *, struct sockaddr_nl *);
225 extern struct sockaddr_nl *nlmsg_get_dst(struct nl_msg *);
226 extern void nlmsg_set_creds(struct nl_msg *, struct ucred *);
227 extern struct ucred * nlmsg_get_creds(struct nl_msg *);
229 extern char * nl_nlmsgtype2str(int, char *, size_t);
230 extern int nl_str2nlmsgtype(const char *);
232 extern char * nl_nlmsg_flags2str(int, char *, size_t);
234 extern int nl_msg_parse(struct nl_msg *,
235 void (*cb)(struct nl_object *, void *),
238 extern void nl_msg_dump(struct nl_msg *, FILE *);
241 struct nl_object *cast_obj(void *obj)
243 return (struct nl_object *) obj;
246 struct nl_object *object_alloc_name(const char *name)
248 struct nl_object *obj;
250 if (nl_object_alloc_name(name, &obj) < 0)
257 extern struct nl_object *nl_object_alloc(struct nl_object_ops *);
258 extern void nl_object_free(struct nl_object *);
259 extern struct nl_object *nl_object_clone(struct nl_object *);
260 extern void nl_object_get(struct nl_object *);
261 extern void nl_object_put(struct nl_object *);
262 extern int nl_object_shared(struct nl_object *);
264 %cstring_output_maxsize(char *buf, size_t len)
265 extern void nl_object_dump_buf(struct nl_object *, char *buf, size_t len);
267 extern void nl_object_dump(struct nl_object *, struct nl_dump_params *);
269 extern int nl_object_identical(struct nl_object *, struct nl_object *);
270 extern uint32_t nl_object_diff(struct nl_object *, struct nl_object *);
271 extern int nl_object_match_filter(struct nl_object *, struct nl_object *);
273 %cstring_output_maxsize(char *buf, size_t len)
274 extern char *nl_object_attrs2str(struct nl_object *, uint32_t, char *buf, size_t len);
276 %cstring_output_maxsize(char *buf, size_t len)
277 extern char *nl_object_attr_list(struct nl_object *, char *buf, size_t len);
279 extern void nl_object_mark(struct nl_object *);
280 extern void nl_object_unmark(struct nl_object *);
281 extern int nl_object_is_marked(struct nl_object *);
283 extern int nl_object_get_refcnt(struct nl_object *);
285 /* <netlink/cache.h> */
287 typedef void (*change_func_t)(struct nl_cache *, struct nl_object *, int, void *);
290 struct nl_cache *alloc_cache_name(const char *name)
293 if (nl_cache_alloc_name(name, &c) < 0)
298 struct nl_cache_mngr *alloc_cache_mngr(struct nl_sock *sock,
299 int protocol, int flags)
301 struct nl_cache_mngr *mngr;
303 if (nl_cache_mngr_alloc(sock, protocol, flags, &mngr) < 0)
309 struct nl_cache *cache_mngr_add(struct nl_cache_mngr *mngr,
310 const char *name, change_func_t func,
313 struct nl_cache *cache;
315 if (nl_cache_mngr_add(mngr, name, func, arg, &cache) < 0)
322 /* Access Functions */
323 extern int nl_cache_nitems(struct nl_cache *);
324 extern int nl_cache_nitems_filter(struct nl_cache *,
326 extern struct nl_cache_ops * nl_cache_get_ops(struct nl_cache *);
327 extern struct nl_object * nl_cache_get_first(struct nl_cache *);
328 extern struct nl_object * nl_cache_get_last(struct nl_cache *);
329 extern struct nl_object * nl_cache_get_next(struct nl_object *);
330 extern struct nl_object * nl_cache_get_prev(struct nl_object *);
332 extern struct nl_cache * nl_cache_alloc(struct nl_cache_ops *);
333 extern struct nl_cache * nl_cache_subset(struct nl_cache *,
335 extern void nl_cache_clear(struct nl_cache *);
336 extern void nl_cache_free(struct nl_cache *);
338 /* Cache modification */
339 extern int nl_cache_add(struct nl_cache *,
341 extern int nl_cache_parse_and_add(struct nl_cache *,
343 extern void nl_cache_remove(struct nl_object *);
344 extern int nl_cache_refill(struct nl_sock *,
346 extern int nl_cache_pickup(struct nl_sock *,
348 extern int nl_cache_resync(struct nl_sock *,
352 extern int nl_cache_include(struct nl_cache *,
356 extern void nl_cache_set_arg1(struct nl_cache *, int);
357 extern void nl_cache_set_arg2(struct nl_cache *, int);
360 extern int nl_cache_is_empty(struct nl_cache *);
361 extern struct nl_object * nl_cache_search(struct nl_cache *,
363 extern void nl_cache_mark_all(struct nl_cache *);
366 extern void nl_cache_dump(struct nl_cache *,
367 struct nl_dump_params *);
368 extern void nl_cache_dump_filter(struct nl_cache *,
369 struct nl_dump_params *,
373 extern void nl_cache_foreach(struct nl_cache *,
374 void (*cb)(struct nl_object *,
377 extern void nl_cache_foreach_filter(struct nl_cache *,
384 /* --- cache management --- */
386 /* Cache type management */
387 extern struct nl_cache_ops * nl_cache_ops_lookup(const char *);
388 extern struct nl_cache_ops * nl_cache_ops_associate(int, int);
389 extern struct nl_msgtype * nl_msgtype_lookup(struct nl_cache_ops *, int);
390 extern void nl_cache_ops_foreach(void (*cb)(struct nl_cache_ops *, void *), void *);
391 extern int nl_cache_mngt_register(struct nl_cache_ops *);
392 extern int nl_cache_mngt_unregister(struct nl_cache_ops *);
394 /* Global cache provisioning/requiring */
395 extern void nl_cache_mngt_provide(struct nl_cache *);
396 extern void nl_cache_mngt_unprovide(struct nl_cache *);
397 extern struct nl_cache * nl_cache_mngt_require(const char *);
399 struct nl_cache_mngr;
401 #define NL_AUTO_PROVIDE 1
403 extern int nl_cache_mngr_get_fd(struct nl_cache_mngr *);
404 extern int nl_cache_mngr_poll(struct nl_cache_mngr *,
406 extern int nl_cache_mngr_data_ready(struct nl_cache_mngr *);
407 extern void nl_cache_mngr_free(struct nl_cache_mngr *);
409 /* <netlink/addr.h> */
411 struct nl_addr *addr_parse(const char *addr, int guess)
413 struct nl_addr *result;
415 if (nl_addr_parse(addr, guess, &result) < 0)
422 extern struct nl_addr *nl_addr_alloc(size_t);
423 extern struct nl_addr *nl_addr_alloc_attr(struct nlattr *, int);
424 extern struct nl_addr *nl_addr_build(int, void *, size_t);
425 extern struct nl_addr *nl_addr_clone(struct nl_addr *);
427 extern struct nl_addr *nl_addr_get(struct nl_addr *);
428 extern void nl_addr_put(struct nl_addr *);
429 extern int nl_addr_shared(struct nl_addr *);
431 extern int nl_addr_cmp(struct nl_addr *, struct nl_addr *);
432 extern int nl_addr_cmp_prefix(struct nl_addr *, struct nl_addr *);
433 extern int nl_addr_iszero(struct nl_addr *);
434 extern int nl_addr_valid(char *, int);
435 extern int nl_addr_guess_family(struct nl_addr *);
436 extern int nl_addr_fill_sockaddr(struct nl_addr *, struct sockaddr *, socklen_t *);
437 extern int nl_addr_info(struct nl_addr *, struct addrinfo **);
438 extern int nl_addr_resolve(struct nl_addr *addr, char *host, size_t hostlen);
440 extern void nl_addr_set_family(struct nl_addr *, int);
441 extern int nl_addr_get_family(struct nl_addr *);
442 extern int nl_addr_set_binary_addr(struct nl_addr *, void *, size_t);
444 extern void *nl_addr_get_binary_addr(struct nl_addr *);
445 extern unsigned int nl_addr_get_len(struct nl_addr *);
446 extern void nl_addr_set_prefixlen(struct nl_addr *, int);
447 extern unsigned int nl_addr_get_prefixlen(struct nl_addr *);
449 %cstring_output_maxsize(char *buf, size_t len)
450 extern char *nl_af2str(int, char *buf, size_t len);
451 extern int nl_str2af(const char *);
453 %cstring_output_maxsize(char *buf, size_t len)
454 extern char *nl_addr2str(struct nl_addr *, char *buf, size_t len);