source: mainline/uspace/lib/c/generic/inetcfg.c@ df956b9b

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since df956b9b was 77ad86c, checked in by Martin Decky <martin@…>, 13 years ago

cstyle (no change in functionality)
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1/*
2 * Copyright (c) 2012 Jiri Svoboda
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <async.h>
30#include <assert.h>
31#include <errno.h>
32#include <inet/inetcfg.h>
33#include <ipc/inet.h>
34#include <ipc/services.h>
35#include <loc.h>
36#include <stdlib.h>
37#include <str.h>
38
39static async_sess_t *inetcfg_sess = NULL;
40
41static int inetcfg_get_ids_once(sysarg_t method, sysarg_t arg1,
42 sysarg_t *id_buf, size_t buf_size, size_t *act_size)
43{
44 async_exch_t *exch = async_exchange_begin(inetcfg_sess);
45
46 ipc_call_t answer;
47 aid_t req = async_send_1(exch, method, arg1, &answer);
48 int rc = async_data_read_start(exch, id_buf, buf_size);
49
50 async_exchange_end(exch);
51
52 if (rc != EOK) {
53 async_forget(req);
54 return rc;
55 }
56
57 sysarg_t retval;
58 async_wait_for(req, &retval);
59
60 if (retval != EOK) {
61 return retval;
62 }
63
64 *act_size = IPC_GET_ARG1(answer);
65 return EOK;
66}
67
68/** Get list of IDs.
69 *
70 * Returns an allocated array of service IDs.
71 *
72 * @param method IPC method
73 * @param arg1 IPC argument 1
74 * @param data Place to store pointer to array of IDs
75 * @param count Place to store number of IDs
76 * @return EOK on success or negative error code
77 */
78static int inetcfg_get_ids_internal(sysarg_t method, sysarg_t arg1,
79 sysarg_t **data, size_t *count)
80{
81 *data = NULL;
82 *count = 0;
83
84 size_t act_size = 0;
85 int rc = inetcfg_get_ids_once(method, arg1, NULL, 0,
86 &act_size);
87 if (rc != EOK)
88 return rc;
89
90 size_t alloc_size = act_size;
91 service_id_t *ids = malloc(alloc_size);
92 if (ids == NULL)
93 return ENOMEM;
94
95 while (true) {
96 rc = inetcfg_get_ids_once(method, arg1, ids, alloc_size,
97 &act_size);
98 if (rc != EOK)
99 return rc;
100
101 if (act_size <= alloc_size)
102 break;
103
104 alloc_size = act_size;
105 ids = realloc(ids, alloc_size);
106 if (ids == NULL)
107 return ENOMEM;
108 }
109
110 *count = act_size / sizeof(sysarg_t);
111 *data = ids;
112 return EOK;
113}
114
115int inetcfg_init(void)
116{
117 service_id_t inet_svc;
118 int rc;
119
120 assert(inetcfg_sess == NULL);
121
122 rc = loc_service_get_id(SERVICE_NAME_INETCFG, &inet_svc,
123 IPC_FLAG_BLOCKING);
124 if (rc != EOK)
125 return ENOENT;
126
127 inetcfg_sess = loc_service_connect(EXCHANGE_SERIALIZE, inet_svc,
128 IPC_FLAG_BLOCKING);
129 if (inetcfg_sess == NULL)
130 return ENOENT;
131
132 return EOK;
133}
134
135int inetcfg_addr_create_static(const char *name, inet_naddr_t *naddr,
136 sysarg_t link_id, sysarg_t *addr_id)
137{
138 async_exch_t *exch = async_exchange_begin(inetcfg_sess);
139
140 ipc_call_t answer;
141 aid_t req = async_send_3(exch, INETCFG_ADDR_CREATE_STATIC, naddr->ipv4,
142 naddr->bits, link_id, &answer);
143 sysarg_t retval = async_data_write_start(exch, name, str_size(name));
144
145 async_exchange_end(exch);
146
147 if (retval != EOK) {
148 async_forget(req);
149 return retval;
150 }
151
152 async_wait_for(req, &retval);
153 *addr_id = IPC_GET_ARG1(answer);
154
155 return retval;
156}
157
158int inetcfg_addr_delete(sysarg_t addr_id)
159{
160 async_exch_t *exch = async_exchange_begin(inetcfg_sess);
161
162 int rc = async_req_1_0(exch, INETCFG_ADDR_DELETE, addr_id);
163 async_exchange_end(exch);
164
165 return rc;
166}
167
168int inetcfg_addr_get(sysarg_t addr_id, inet_addr_info_t *ainfo)
169{
170 ipc_call_t dreply;
171 sysarg_t dretval;
172 size_t act_size;
173 char name_buf[LOC_NAME_MAXLEN + 1];
174
175 async_exch_t *exch = async_exchange_begin(inetcfg_sess);
176
177 ipc_call_t answer;
178 aid_t req = async_send_1(exch, INETCFG_ADDR_GET, addr_id, &answer);
179 aid_t dreq = async_data_read(exch, name_buf, LOC_NAME_MAXLEN, &dreply);
180 async_wait_for(dreq, &dretval);
181
182 async_exchange_end(exch);
183
184 if (dretval != EOK) {
185 async_forget(req);
186 return dretval;
187 }
188
189 sysarg_t retval;
190 async_wait_for(req, &retval);
191
192 if (retval != EOK)
193 return retval;
194
195 act_size = IPC_GET_ARG2(dreply);
196 assert(act_size <= LOC_NAME_MAXLEN);
197 name_buf[act_size] = '\0';
198
199 ainfo->naddr.ipv4 = IPC_GET_ARG1(answer);
200 ainfo->naddr.bits = IPC_GET_ARG2(answer);
201 ainfo->ilink = IPC_GET_ARG3(answer);
202 ainfo->name = str_dup(name_buf);
203
204 return EOK;
205}
206
207int inetcfg_addr_get_id(const char *name, sysarg_t link_id, sysarg_t *addr_id)
208{
209 async_exch_t *exch = async_exchange_begin(inetcfg_sess);
210
211 ipc_call_t answer;
212 aid_t req = async_send_1(exch, INETCFG_ADDR_GET_ID, link_id, &answer);
213 sysarg_t retval = async_data_write_start(exch, name, str_size(name));
214
215 async_exchange_end(exch);
216
217 if (retval != EOK) {
218 async_forget(req);
219 return retval;
220 }
221
222 async_wait_for(req, &retval);
223 *addr_id = IPC_GET_ARG1(answer);
224
225 return retval;
226}
227
228int inetcfg_get_addr_list(sysarg_t **addrs, size_t *count)
229{
230 return inetcfg_get_ids_internal(INETCFG_GET_ADDR_LIST,
231 0, addrs, count);
232}
233
234int inetcfg_get_link_list(sysarg_t **links, size_t *count)
235{
236 return inetcfg_get_ids_internal(INETCFG_GET_LINK_LIST,
237 0, links, count);
238}
239
240int inetcfg_get_sroute_list(sysarg_t **sroutes, size_t *count)
241{
242 return inetcfg_get_ids_internal(INETCFG_GET_SROUTE_LIST,
243 0, sroutes, count);
244}
245
246int inetcfg_link_get(sysarg_t link_id, inet_link_info_t *linfo)
247{
248 ipc_call_t dreply;
249 sysarg_t dretval;
250 size_t act_size;
251 char name_buf[LOC_NAME_MAXLEN + 1];
252
253 async_exch_t *exch = async_exchange_begin(inetcfg_sess);
254
255 ipc_call_t answer;
256 aid_t req = async_send_1(exch, INETCFG_LINK_GET, link_id, &answer);
257 aid_t dreq = async_data_read(exch, name_buf, LOC_NAME_MAXLEN, &dreply);
258 async_wait_for(dreq, &dretval);
259
260 async_exchange_end(exch);
261
262 if (dretval != EOK) {
263 async_forget(req);
264 return dretval;
265 }
266
267 sysarg_t retval;
268 async_wait_for(req, &retval);
269
270 if (retval != EOK)
271 return retval;
272
273 act_size = IPC_GET_ARG2(dreply);
274 assert(act_size <= LOC_NAME_MAXLEN);
275 name_buf[act_size] = '\0';
276
277 linfo->name = str_dup(name_buf);
278 linfo->def_mtu = IPC_GET_ARG1(answer);
279
280 return EOK;
281}
282
283int inetcfg_sroute_create(const char *name, inet_naddr_t *dest,
284 inet_addr_t *router, sysarg_t *sroute_id)
285{
286 async_exch_t *exch = async_exchange_begin(inetcfg_sess);
287
288 ipc_call_t answer;
289 aid_t req = async_send_3(exch, INETCFG_SROUTE_CREATE,
290 dest->ipv4, dest->bits, router->ipv4, &answer);
291 sysarg_t retval = async_data_write_start(exch, name, str_size(name));
292
293 async_exchange_end(exch);
294
295 if (retval != EOK) {
296 async_forget(req);
297 return retval;
298 }
299
300 async_wait_for(req, &retval);
301 *sroute_id = IPC_GET_ARG1(answer);
302
303 return retval;
304}
305
306int inetcfg_sroute_delete(sysarg_t sroute_id)
307{
308 async_exch_t *exch = async_exchange_begin(inetcfg_sess);
309
310 int rc = async_req_1_0(exch, INETCFG_SROUTE_DELETE, sroute_id);
311 async_exchange_end(exch);
312
313 return rc;
314}
315
316int inetcfg_sroute_get(sysarg_t sroute_id, inet_sroute_info_t *srinfo)
317{
318 ipc_call_t dreply;
319 sysarg_t dretval;
320 size_t act_size;
321 char name_buf[LOC_NAME_MAXLEN + 1];
322
323 async_exch_t *exch = async_exchange_begin(inetcfg_sess);
324
325 ipc_call_t answer;
326 aid_t req = async_send_1(exch, INETCFG_SROUTE_GET, sroute_id, &answer);
327 aid_t dreq = async_data_read(exch, name_buf, LOC_NAME_MAXLEN, &dreply);
328 async_wait_for(dreq, &dretval);
329
330 async_exchange_end(exch);
331
332 if (dretval != EOK) {
333 async_forget(req);
334 return dretval;
335 }
336
337 sysarg_t retval;
338 async_wait_for(req, &retval);
339
340 if (retval != EOK)
341 return retval;
342
343 act_size = IPC_GET_ARG2(dreply);
344 assert(act_size <= LOC_NAME_MAXLEN);
345 name_buf[act_size] = '\0';
346
347 srinfo->dest.ipv4 = IPC_GET_ARG1(answer);
348 srinfo->dest.bits = IPC_GET_ARG2(answer);
349 srinfo->router.ipv4 = IPC_GET_ARG3(answer);
350 srinfo->name = str_dup(name_buf);
351
352 return EOK;
353}
354
355int inetcfg_sroute_get_id(const char *name, sysarg_t *sroute_id)
356{
357 async_exch_t *exch = async_exchange_begin(inetcfg_sess);
358
359 ipc_call_t answer;
360 aid_t req = async_send_0(exch, INETCFG_SROUTE_GET_ID, &answer);
361 sysarg_t retval = async_data_write_start(exch, name, str_size(name));
362
363 async_exchange_end(exch);
364
365 if (retval != EOK) {
366 async_forget(req);
367 return retval;
368 }
369
370 async_wait_for(req, &retval);
371 *sroute_id = IPC_GET_ARG1(answer);
372
373 return retval;
374}
375
376/** @}
377 */
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