1 | /*
|
---|
2 | * Copyright (c) 2007 Josef Cejka
|
---|
3 | * Copyright (c) 2011 Jiri Svoboda
|
---|
4 | * All rights reserved.
|
---|
5 | *
|
---|
6 | * Redistribution and use in source and binary forms, with or without
|
---|
7 | * modification, are permitted provided that the following conditions
|
---|
8 | * are met:
|
---|
9 | *
|
---|
10 | * - Redistributions of source code must retain the above copyright
|
---|
11 | * notice, this list of conditions and the following disclaimer.
|
---|
12 | * - Redistributions in binary form must reproduce the above copyright
|
---|
13 | * notice, this list of conditions and the following disclaimer in the
|
---|
14 | * documentation and/or other materials provided with the distribution.
|
---|
15 | * - The name of the author may not be used to endorse or promote products
|
---|
16 | * derived from this software without specific prior written permission.
|
---|
17 | *
|
---|
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
---|
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
---|
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
---|
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
---|
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
---|
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
---|
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
---|
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
---|
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
---|
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
---|
28 | */
|
---|
29 |
|
---|
30 | /**
|
---|
31 | * @addtogroup locsrv
|
---|
32 | * @{
|
---|
33 | */
|
---|
34 |
|
---|
35 | /** @file
|
---|
36 | */
|
---|
37 |
|
---|
38 | #include <assert.h>
|
---|
39 | #include <async.h>
|
---|
40 | #include <errno.h>
|
---|
41 | #include <ipc/loc.h>
|
---|
42 | #include <ipc/services.h>
|
---|
43 | #include <fibril_synch.h>
|
---|
44 | #include <macros.h>
|
---|
45 | #include <ns.h>
|
---|
46 | #include <stdbool.h>
|
---|
47 | #include <stdio.h>
|
---|
48 | #include <stdlib.h>
|
---|
49 | #include <str.h>
|
---|
50 | #include <str_error.h>
|
---|
51 | #include <sysman/broker.h>
|
---|
52 | #include <sysman/ctl.h>
|
---|
53 |
|
---|
54 | #include "category.h"
|
---|
55 | #include "locsrv.h"
|
---|
56 |
|
---|
57 | #define NAME "loc"
|
---|
58 | #define NULL_SERVICES 256
|
---|
59 |
|
---|
60 | /** Callback session */
|
---|
61 | typedef struct {
|
---|
62 | link_t cb_sess_list;
|
---|
63 | async_sess_t *sess;
|
---|
64 | } cb_sess_t;
|
---|
65 |
|
---|
66 | typedef enum {
|
---|
67 | NAME_TO_START,
|
---|
68 | NAME_TO_EXPOSE
|
---|
69 | } unit_name_t;
|
---|
70 |
|
---|
71 | LIST_INITIALIZE(services_list);
|
---|
72 | LIST_INITIALIZE(namespaces_list);
|
---|
73 | LIST_INITIALIZE(servers_list);
|
---|
74 |
|
---|
75 | /*
|
---|
76 | * Locking order:
|
---|
77 | * servers_list_mutex
|
---|
78 | * services_list_mutex
|
---|
79 | * (loc_server_t *)->services_mutex
|
---|
80 | * create_id_mutex
|
---|
81 | */
|
---|
82 |
|
---|
83 | FIBRIL_MUTEX_INITIALIZE(services_list_mutex);
|
---|
84 | static FIBRIL_CONDVAR_INITIALIZE(services_list_cv);
|
---|
85 | static FIBRIL_MUTEX_INITIALIZE(servers_list_mutex);
|
---|
86 | static FIBRIL_MUTEX_INITIALIZE(create_id_mutex);
|
---|
87 | static FIBRIL_MUTEX_INITIALIZE(null_services_mutex);
|
---|
88 |
|
---|
89 | static service_id_t last_id = 0;
|
---|
90 | static loc_service_t *null_services[NULL_SERVICES];
|
---|
91 |
|
---|
92 | /*
|
---|
93 | * Dummy list for null services. This is necessary so that null services can
|
---|
94 | * be used just as any other services, e.g. in loc_service_unregister_core().
|
---|
95 | */
|
---|
96 | static LIST_INITIALIZE(dummy_null_services);
|
---|
97 |
|
---|
98 | /** Service directory ogranized by categories (yellow pages) */
|
---|
99 | static categ_dir_t cdir;
|
---|
100 |
|
---|
101 | static FIBRIL_MUTEX_INITIALIZE(callback_sess_mutex);
|
---|
102 | static LIST_INITIALIZE(callback_sess_list);
|
---|
103 |
|
---|
104 | service_id_t loc_create_id(void)
|
---|
105 | {
|
---|
106 | /*
|
---|
107 | * TODO: allow reusing old ids after their unregistration
|
---|
108 | * and implement some version of LRU algorithm, avoid overflow
|
---|
109 | */
|
---|
110 |
|
---|
111 | fibril_mutex_lock(&create_id_mutex);
|
---|
112 | last_id++;
|
---|
113 | fibril_mutex_unlock(&create_id_mutex);
|
---|
114 |
|
---|
115 | return last_id;
|
---|
116 | }
|
---|
117 |
|
---|
118 | /** Convert fully qualified service name to namespace and service name.
|
---|
119 | *
|
---|
120 | * A fully qualified service name can be either a plain service name
|
---|
121 | * (then the namespace is considered to be an empty string) or consist
|
---|
122 | * of two components separated by a slash. No more than one slash
|
---|
123 | * is allowed.
|
---|
124 | *
|
---|
125 | */
|
---|
126 | static bool loc_fqsn_split(const char *fqsn, char **ns_name, char **name)
|
---|
127 | {
|
---|
128 | size_t cnt = 0;
|
---|
129 | size_t slash_offset = 0;
|
---|
130 | size_t slash_after = 0;
|
---|
131 |
|
---|
132 | size_t offset = 0;
|
---|
133 | size_t offset_prev = 0;
|
---|
134 | wchar_t c;
|
---|
135 |
|
---|
136 | while ((c = str_decode(fqsn, &offset, STR_NO_LIMIT)) != 0) {
|
---|
137 | if (c == '/') {
|
---|
138 | cnt++;
|
---|
139 | slash_offset = offset_prev;
|
---|
140 | slash_after = offset;
|
---|
141 | }
|
---|
142 | offset_prev = offset;
|
---|
143 | }
|
---|
144 |
|
---|
145 | /* More than one slash */
|
---|
146 | if (cnt > 1)
|
---|
147 | return false;
|
---|
148 |
|
---|
149 | /* No slash -> namespace is empty */
|
---|
150 | if (cnt == 0) {
|
---|
151 | *ns_name = str_dup("");
|
---|
152 | if (*ns_name == NULL)
|
---|
153 | return false;
|
---|
154 |
|
---|
155 | *name = str_dup(fqsn);
|
---|
156 | if (*name == NULL) {
|
---|
157 | free(*ns_name);
|
---|
158 | return false;
|
---|
159 | }
|
---|
160 |
|
---|
161 | if (str_cmp(*name, "") == 0) {
|
---|
162 | free(*name);
|
---|
163 | free(*ns_name);
|
---|
164 | return false;
|
---|
165 | }
|
---|
166 |
|
---|
167 | return true;
|
---|
168 | }
|
---|
169 |
|
---|
170 | /* Exactly one slash */
|
---|
171 | *ns_name = str_ndup(fqsn, slash_offset);
|
---|
172 | if (*ns_name == NULL)
|
---|
173 | return false;
|
---|
174 |
|
---|
175 | *name = str_dup(fqsn + slash_after);
|
---|
176 | if (*name == NULL) {
|
---|
177 | free(*ns_name);
|
---|
178 | return false;
|
---|
179 | }
|
---|
180 |
|
---|
181 | if (str_cmp(*name, "") == 0) {
|
---|
182 | free(*name);
|
---|
183 | free(*ns_name);
|
---|
184 | return false;
|
---|
185 | }
|
---|
186 |
|
---|
187 | return true;
|
---|
188 | }
|
---|
189 |
|
---|
190 | /** Find namespace with given name. */
|
---|
191 | static loc_namespace_t *loc_namespace_find_name(const char *name)
|
---|
192 | {
|
---|
193 | assert(fibril_mutex_is_locked(&services_list_mutex));
|
---|
194 |
|
---|
195 | list_foreach(namespaces_list, namespaces, loc_namespace_t, namespace) {
|
---|
196 | if (str_cmp(namespace->name, name) == 0)
|
---|
197 | return namespace;
|
---|
198 | }
|
---|
199 |
|
---|
200 | return NULL;
|
---|
201 | }
|
---|
202 |
|
---|
203 | /** Find namespace with given ID.
|
---|
204 | *
|
---|
205 | * @todo: use hash table
|
---|
206 | *
|
---|
207 | */
|
---|
208 | static loc_namespace_t *loc_namespace_find_id(service_id_t id)
|
---|
209 | {
|
---|
210 | assert(fibril_mutex_is_locked(&services_list_mutex));
|
---|
211 |
|
---|
212 | list_foreach(namespaces_list, namespaces, loc_namespace_t, namespace) {
|
---|
213 | if (namespace->id == id)
|
---|
214 | return namespace;
|
---|
215 | }
|
---|
216 |
|
---|
217 | return NULL;
|
---|
218 | }
|
---|
219 |
|
---|
220 | /** Find service with given name. */
|
---|
221 | static loc_service_t *loc_service_find_name(const char *ns_name,
|
---|
222 | const char *name)
|
---|
223 | {
|
---|
224 | assert(fibril_mutex_is_locked(&services_list_mutex));
|
---|
225 |
|
---|
226 | list_foreach(services_list, services, loc_service_t, service) {
|
---|
227 | if ((str_cmp(service->namespace->name, ns_name) == 0) &&
|
---|
228 | (str_cmp(service->name, name) == 0))
|
---|
229 | return service;
|
---|
230 | }
|
---|
231 |
|
---|
232 | return NULL;
|
---|
233 | }
|
---|
234 |
|
---|
235 | /** Find service with given ID.
|
---|
236 | *
|
---|
237 | * @todo: use hash table
|
---|
238 | *
|
---|
239 | */
|
---|
240 | static loc_service_t *loc_service_find_id(service_id_t id)
|
---|
241 | {
|
---|
242 | assert(fibril_mutex_is_locked(&services_list_mutex));
|
---|
243 |
|
---|
244 | list_foreach(services_list, services, loc_service_t, service) {
|
---|
245 | if (service->id == id)
|
---|
246 | return service;
|
---|
247 | }
|
---|
248 |
|
---|
249 | return NULL;
|
---|
250 | }
|
---|
251 |
|
---|
252 | /** Create a namespace (if not already present). */
|
---|
253 | static loc_namespace_t *loc_namespace_create(const char *ns_name)
|
---|
254 | {
|
---|
255 | loc_namespace_t *namespace;
|
---|
256 |
|
---|
257 | assert(fibril_mutex_is_locked(&services_list_mutex));
|
---|
258 |
|
---|
259 | namespace = loc_namespace_find_name(ns_name);
|
---|
260 | if (namespace != NULL)
|
---|
261 | return namespace;
|
---|
262 |
|
---|
263 | namespace = (loc_namespace_t *) malloc(sizeof(loc_namespace_t));
|
---|
264 | if (namespace == NULL)
|
---|
265 | return NULL;
|
---|
266 |
|
---|
267 | namespace->name = str_dup(ns_name);
|
---|
268 | if (namespace->name == NULL) {
|
---|
269 | free(namespace);
|
---|
270 | return NULL;
|
---|
271 | }
|
---|
272 |
|
---|
273 | namespace->id = loc_create_id();
|
---|
274 | namespace->refcnt = 0;
|
---|
275 |
|
---|
276 | /*
|
---|
277 | * Insert new namespace into list of registered namespaces
|
---|
278 | */
|
---|
279 | list_append(&(namespace->namespaces), &namespaces_list);
|
---|
280 |
|
---|
281 | return namespace;
|
---|
282 | }
|
---|
283 |
|
---|
284 | /** Destroy a namespace (if it is no longer needed). */
|
---|
285 | static void loc_namespace_destroy(loc_namespace_t *namespace)
|
---|
286 | {
|
---|
287 | assert(fibril_mutex_is_locked(&services_list_mutex));
|
---|
288 |
|
---|
289 | if (namespace->refcnt == 0) {
|
---|
290 | list_remove(&(namespace->namespaces));
|
---|
291 |
|
---|
292 | free(namespace->name);
|
---|
293 | free(namespace);
|
---|
294 | }
|
---|
295 | }
|
---|
296 |
|
---|
297 | /** Increase namespace reference count by including service. */
|
---|
298 | static void loc_namespace_addref(loc_namespace_t *namespace,
|
---|
299 | loc_service_t *service)
|
---|
300 | {
|
---|
301 | assert(fibril_mutex_is_locked(&services_list_mutex));
|
---|
302 |
|
---|
303 | service->namespace = namespace;
|
---|
304 | namespace->refcnt++;
|
---|
305 | }
|
---|
306 |
|
---|
307 | /** Decrease namespace reference count. */
|
---|
308 | static void loc_namespace_delref(loc_namespace_t *namespace)
|
---|
309 | {
|
---|
310 | assert(fibril_mutex_is_locked(&services_list_mutex));
|
---|
311 |
|
---|
312 | namespace->refcnt--;
|
---|
313 | loc_namespace_destroy(namespace);
|
---|
314 | }
|
---|
315 |
|
---|
316 | /** Unregister service and free it. */
|
---|
317 | static void loc_service_unregister_core(loc_service_t *service)
|
---|
318 | {
|
---|
319 | assert(fibril_mutex_is_locked(&services_list_mutex));
|
---|
320 | assert(fibril_mutex_is_locked(&cdir.mutex));
|
---|
321 |
|
---|
322 | loc_namespace_delref(service->namespace);
|
---|
323 | list_remove(&(service->services));
|
---|
324 | list_remove(&(service->server_services));
|
---|
325 |
|
---|
326 | /* Remove service from all categories. */
|
---|
327 | while (!list_empty(&service->cat_memb)) {
|
---|
328 | link_t *link = list_first(&service->cat_memb);
|
---|
329 | svc_categ_t *memb = list_get_instance(link, svc_categ_t,
|
---|
330 | svc_link);
|
---|
331 | category_t *cat = memb->cat;
|
---|
332 |
|
---|
333 | fibril_mutex_lock(&cat->mutex);
|
---|
334 | category_remove_service(memb);
|
---|
335 | fibril_mutex_unlock(&cat->mutex);
|
---|
336 | }
|
---|
337 |
|
---|
338 | free(service->name);
|
---|
339 | free(service);
|
---|
340 | }
|
---|
341 |
|
---|
342 | /** Derive unit name from service name according to purpose
|
---|
343 | *
|
---|
344 | * All services in 'device' namespace are considered to be drivers and
|
---|
345 | * devman is thus requested to start. Otherwise name of unit is made
|
---|
346 | * from fully qualified name of service (namespace separator is changed
|
---|
347 | * for usage in unit name.
|
---|
348 | */
|
---|
349 | static int loc_service_unit_name(const char *ns_name, const char *name,
|
---|
350 | unit_name_t name_type, char **unit_name_ptr)
|
---|
351 | {
|
---|
352 | char *service_name = NULL;
|
---|
353 | if (name_type == NAME_TO_START &&
|
---|
354 | str_cmp(ns_name, LOC_DEVICE_NAMESPACE) == 0) {
|
---|
355 | asprintf(&service_name, "%s", SERVICE_NAME_DEVMAN);
|
---|
356 | } else if (str_cmp(ns_name, "") == 0) {
|
---|
357 | asprintf(&service_name, "%s", name);
|
---|
358 | } else {
|
---|
359 | asprintf(&service_name, "%s%s%s",
|
---|
360 | ns_name, LOC_UNIT_NAMESPACE_SEPARATOR, name);
|
---|
361 | }
|
---|
362 | if (service_name == NULL) {
|
---|
363 | return ENOMEM;
|
---|
364 | }
|
---|
365 |
|
---|
366 | char *unit_name;
|
---|
367 | asprintf(&unit_name, "%s%c%s",
|
---|
368 | service_name, UNIT_NAME_SEPARATOR, UNIT_SVC_TYPE_NAME);
|
---|
369 | if (unit_name == NULL) {
|
---|
370 | free(service_name);
|
---|
371 | return ENOMEM;
|
---|
372 | }
|
---|
373 |
|
---|
374 | *unit_name_ptr = unit_name;
|
---|
375 | return EOK;
|
---|
376 | }
|
---|
377 |
|
---|
378 | static int loc_service_request_start(const char *ns_name, const char *name)
|
---|
379 | {
|
---|
380 | char *unit_name;
|
---|
381 | int rc = loc_service_unit_name(ns_name, name, NAME_TO_START, &unit_name);
|
---|
382 | if (rc != EOK) {
|
---|
383 | return rc;
|
---|
384 | }
|
---|
385 |
|
---|
386 | rc = sysman_unit_start_by_name(unit_name, IPC_FLAG_BLOCKING);
|
---|
387 | free(unit_name);
|
---|
388 | return rc;
|
---|
389 | }
|
---|
390 |
|
---|
391 | /**
|
---|
392 | * Read info about new server and add it into linked list of registered
|
---|
393 | * servers.
|
---|
394 | */
|
---|
395 | static loc_server_t *loc_server_register(void)
|
---|
396 | {
|
---|
397 | ipc_call_t icall;
|
---|
398 | async_get_call(&icall);
|
---|
399 |
|
---|
400 | if (ipc_get_imethod(&icall) != LOC_SERVER_REGISTER) {
|
---|
401 | async_answer_0(&icall, EREFUSED);
|
---|
402 | return NULL;
|
---|
403 | }
|
---|
404 |
|
---|
405 | loc_server_t *server =
|
---|
406 | (loc_server_t *) malloc(sizeof(loc_server_t));
|
---|
407 | if (server == NULL) {
|
---|
408 | async_answer_0(&icall, ENOMEM);
|
---|
409 | return NULL;
|
---|
410 | }
|
---|
411 |
|
---|
412 | /*
|
---|
413 | * Get server name
|
---|
414 | */
|
---|
415 | errno_t rc = async_data_write_accept((void **) &server->name, true, 0,
|
---|
416 | LOC_NAME_MAXLEN, 0, NULL);
|
---|
417 | if (rc != EOK) {
|
---|
418 | free(server);
|
---|
419 | async_answer_0(&icall, rc);
|
---|
420 | return NULL;
|
---|
421 | }
|
---|
422 |
|
---|
423 | /*
|
---|
424 | * Create connection to the server
|
---|
425 | */
|
---|
426 | server->sess = async_callback_receive(EXCHANGE_SERIALIZE);
|
---|
427 | if (!server->sess) {
|
---|
428 | free(server->name);
|
---|
429 | free(server);
|
---|
430 | async_answer_0(&icall, ENOTSUP);
|
---|
431 | return NULL;
|
---|
432 | }
|
---|
433 |
|
---|
434 | /*
|
---|
435 | * Initialize mutex for list of services
|
---|
436 | * supplied by this server
|
---|
437 | */
|
---|
438 | fibril_mutex_initialize(&server->services_mutex);
|
---|
439 |
|
---|
440 | /*
|
---|
441 | * Initialize list of supplied services
|
---|
442 | */
|
---|
443 | list_initialize(&server->services);
|
---|
444 | link_initialize(&server->servers);
|
---|
445 |
|
---|
446 | fibril_mutex_lock(&servers_list_mutex);
|
---|
447 |
|
---|
448 | /*
|
---|
449 | * TODO:
|
---|
450 | * Check that no server with name equal to
|
---|
451 | * server->name is registered
|
---|
452 | */
|
---|
453 |
|
---|
454 | /*
|
---|
455 | * Insert new server into list of registered servers
|
---|
456 | */
|
---|
457 | list_append(&(server->servers), &servers_list);
|
---|
458 | fibril_mutex_unlock(&servers_list_mutex);
|
---|
459 |
|
---|
460 | async_answer_0(&icall, EOK);
|
---|
461 |
|
---|
462 | return server;
|
---|
463 | }
|
---|
464 |
|
---|
465 | /**
|
---|
466 | * Unregister server, unregister all its services and free server
|
---|
467 | * structure.
|
---|
468 | *
|
---|
469 | */
|
---|
470 | static errno_t loc_server_unregister(loc_server_t *server)
|
---|
471 | {
|
---|
472 | if (server == NULL)
|
---|
473 | return EEXIST;
|
---|
474 |
|
---|
475 | fibril_mutex_lock(&servers_list_mutex);
|
---|
476 |
|
---|
477 | if (server->sess)
|
---|
478 | async_hangup(server->sess);
|
---|
479 |
|
---|
480 | /* Remove it from list of servers */
|
---|
481 | list_remove(&(server->servers));
|
---|
482 |
|
---|
483 | /* Unregister all its services */
|
---|
484 | fibril_mutex_lock(&services_list_mutex);
|
---|
485 | fibril_mutex_lock(&server->services_mutex);
|
---|
486 | fibril_mutex_lock(&cdir.mutex);
|
---|
487 |
|
---|
488 | while (!list_empty(&server->services)) {
|
---|
489 | loc_service_t *service = list_get_instance(
|
---|
490 | list_first(&server->services), loc_service_t,
|
---|
491 | server_services);
|
---|
492 | loc_service_unregister_core(service);
|
---|
493 | }
|
---|
494 |
|
---|
495 | fibril_mutex_unlock(&cdir.mutex);
|
---|
496 | fibril_mutex_unlock(&server->services_mutex);
|
---|
497 | fibril_mutex_unlock(&services_list_mutex);
|
---|
498 | fibril_mutex_unlock(&servers_list_mutex);
|
---|
499 |
|
---|
500 | /* Free name and server */
|
---|
501 | if (server->name != NULL)
|
---|
502 | free(server->name);
|
---|
503 |
|
---|
504 | free(server);
|
---|
505 |
|
---|
506 | loc_category_change_event();
|
---|
507 | return EOK;
|
---|
508 | }
|
---|
509 |
|
---|
510 | /** Register service
|
---|
511 | *
|
---|
512 | */
|
---|
513 | static void loc_service_register(ipc_call_t *icall, loc_server_t *server)
|
---|
514 | {
|
---|
515 | if (server == NULL) {
|
---|
516 | async_answer_0(icall, EREFUSED);
|
---|
517 | return;
|
---|
518 | }
|
---|
519 |
|
---|
520 | /* Create new service entry */
|
---|
521 | loc_service_t *service =
|
---|
522 | (loc_service_t *) malloc(sizeof(loc_service_t));
|
---|
523 | if (service == NULL) {
|
---|
524 | async_answer_0(icall, ENOMEM);
|
---|
525 | return;
|
---|
526 | }
|
---|
527 |
|
---|
528 | /* Get fqsn */
|
---|
529 | char *fqsn;
|
---|
530 | errno_t rc = async_data_write_accept((void **) &fqsn, true, 0,
|
---|
531 | LOC_NAME_MAXLEN, 0, NULL);
|
---|
532 | if (rc != EOK) {
|
---|
533 | free(service);
|
---|
534 | async_answer_0(icall, rc);
|
---|
535 | return;
|
---|
536 | }
|
---|
537 |
|
---|
538 | char *ns_name;
|
---|
539 | if (!loc_fqsn_split(fqsn, &ns_name, &service->name)) {
|
---|
540 | free(fqsn);
|
---|
541 | free(service);
|
---|
542 | async_answer_0(icall, EINVAL);
|
---|
543 | return;
|
---|
544 | }
|
---|
545 |
|
---|
546 | free(fqsn);
|
---|
547 |
|
---|
548 | fibril_mutex_lock(&services_list_mutex);
|
---|
549 |
|
---|
550 | loc_namespace_t *namespace = loc_namespace_create(ns_name);
|
---|
551 | free(ns_name);
|
---|
552 | if (namespace == NULL) {
|
---|
553 | fibril_mutex_unlock(&services_list_mutex);
|
---|
554 | free(service->name);
|
---|
555 | free(service);
|
---|
556 | async_answer_0(icall, ENOMEM);
|
---|
557 | return;
|
---|
558 | }
|
---|
559 |
|
---|
560 | link_initialize(&service->services);
|
---|
561 | link_initialize(&service->server_services);
|
---|
562 | list_initialize(&service->cat_memb);
|
---|
563 |
|
---|
564 | /* Check that service is not already registered */
|
---|
565 | if (loc_service_find_name(namespace->name, service->name) != NULL) {
|
---|
566 | printf("%s: Service '%s/%s' already registered\n", NAME,
|
---|
567 | namespace->name, service->name);
|
---|
568 | loc_namespace_destroy(namespace);
|
---|
569 | fibril_mutex_unlock(&services_list_mutex);
|
---|
570 | free(service->name);
|
---|
571 | free(service);
|
---|
572 | async_answer_0(icall, EEXIST);
|
---|
573 | return;
|
---|
574 | }
|
---|
575 |
|
---|
576 | /* Notify sysman about new exposee */
|
---|
577 | char *unit_name = NULL;
|
---|
578 | rc = loc_service_unit_name(namespace->name, service->name,
|
---|
579 | NAME_TO_EXPOSE, &unit_name);
|
---|
580 | if (rc != EOK) {
|
---|
581 | loc_namespace_destroy(namespace);
|
---|
582 | fibril_mutex_unlock(&services_list_mutex);
|
---|
583 | free(service->name);
|
---|
584 | free(service);
|
---|
585 | free(unit_name);
|
---|
586 | async_answer_0(icall, rc);
|
---|
587 | return;
|
---|
588 | }
|
---|
589 |
|
---|
590 | if (str_cmp(namespace->name, LOC_DEVICE_NAMESPACE) == 0) {
|
---|
591 | sysman_exposee_added(unit_name);
|
---|
592 | } else {
|
---|
593 | sysman_main_exposee_added(unit_name, icall->task_id);
|
---|
594 | }
|
---|
595 | free(unit_name);
|
---|
596 |
|
---|
597 | /* Get unique service ID */
|
---|
598 | service->id = loc_create_id();
|
---|
599 |
|
---|
600 | loc_namespace_addref(namespace, service);
|
---|
601 | service->server = server;
|
---|
602 |
|
---|
603 | /* Insert service into list of all services */
|
---|
604 | list_append(&service->services, &services_list);
|
---|
605 |
|
---|
606 | /* Insert service into list of services supplied by one server */
|
---|
607 | fibril_mutex_lock(&service->server->services_mutex);
|
---|
608 |
|
---|
609 | list_append(&service->server_services, &service->server->services);
|
---|
610 |
|
---|
611 | fibril_mutex_unlock(&service->server->services_mutex);
|
---|
612 | fibril_condvar_broadcast(&services_list_cv);
|
---|
613 | fibril_mutex_unlock(&services_list_mutex);
|
---|
614 |
|
---|
615 | async_answer_1(icall, EOK, service->id);
|
---|
616 | }
|
---|
617 |
|
---|
618 | /**
|
---|
619 | *
|
---|
620 | */
|
---|
621 | static void loc_service_unregister(ipc_call_t *icall, loc_server_t *server)
|
---|
622 | {
|
---|
623 | loc_service_t *svc;
|
---|
624 |
|
---|
625 | fibril_mutex_lock(&services_list_mutex);
|
---|
626 | svc = loc_service_find_id(ipc_get_arg1(icall));
|
---|
627 | if (svc == NULL) {
|
---|
628 | fibril_mutex_unlock(&services_list_mutex);
|
---|
629 | async_answer_0(icall, ENOENT);
|
---|
630 | return;
|
---|
631 | }
|
---|
632 |
|
---|
633 | fibril_mutex_lock(&cdir.mutex);
|
---|
634 | loc_service_unregister_core(svc);
|
---|
635 | fibril_mutex_unlock(&cdir.mutex);
|
---|
636 | fibril_mutex_unlock(&services_list_mutex);
|
---|
637 |
|
---|
638 | /*
|
---|
639 | * First send out all notifications and only then answer the request.
|
---|
640 | * Otherwise the current fibril might block and transitively wait for
|
---|
641 | * the completion of requests that are routed to it via an IPC loop.
|
---|
642 | */
|
---|
643 | loc_category_change_event();
|
---|
644 | async_answer_0(icall, EOK);
|
---|
645 | }
|
---|
646 |
|
---|
647 | static void loc_category_get_name(ipc_call_t *icall)
|
---|
648 | {
|
---|
649 | ipc_call_t call;
|
---|
650 | size_t size;
|
---|
651 | size_t act_size;
|
---|
652 | category_t *cat;
|
---|
653 |
|
---|
654 | if (!async_data_read_receive(&call, &size)) {
|
---|
655 | async_answer_0(&call, EREFUSED);
|
---|
656 | async_answer_0(icall, EREFUSED);
|
---|
657 | return;
|
---|
658 | }
|
---|
659 |
|
---|
660 | fibril_mutex_lock(&cdir.mutex);
|
---|
661 |
|
---|
662 | cat = category_get(&cdir, ipc_get_arg1(icall));
|
---|
663 | if (cat == NULL) {
|
---|
664 | fibril_mutex_unlock(&cdir.mutex);
|
---|
665 | async_answer_0(&call, ENOENT);
|
---|
666 | async_answer_0(icall, ENOENT);
|
---|
667 | return;
|
---|
668 | }
|
---|
669 |
|
---|
670 | act_size = str_size(cat->name);
|
---|
671 | if (act_size > size) {
|
---|
672 | fibril_mutex_unlock(&cdir.mutex);
|
---|
673 | async_answer_0(&call, EOVERFLOW);
|
---|
674 | async_answer_0(icall, EOVERFLOW);
|
---|
675 | return;
|
---|
676 | }
|
---|
677 |
|
---|
678 | errno_t retval = async_data_read_finalize(&call, cat->name,
|
---|
679 | min(size, act_size));
|
---|
680 |
|
---|
681 | fibril_mutex_unlock(&cdir.mutex);
|
---|
682 |
|
---|
683 | async_answer_0(icall, retval);
|
---|
684 | }
|
---|
685 |
|
---|
686 | static void loc_service_get_name(ipc_call_t *icall)
|
---|
687 | {
|
---|
688 | ipc_call_t call;
|
---|
689 | size_t size;
|
---|
690 | size_t act_size;
|
---|
691 | loc_service_t *svc;
|
---|
692 | char *fqn;
|
---|
693 |
|
---|
694 | if (!async_data_read_receive(&call, &size)) {
|
---|
695 | async_answer_0(&call, EREFUSED);
|
---|
696 | async_answer_0(icall, EREFUSED);
|
---|
697 | return;
|
---|
698 | }
|
---|
699 |
|
---|
700 | fibril_mutex_lock(&services_list_mutex);
|
---|
701 |
|
---|
702 | svc = loc_service_find_id(ipc_get_arg1(icall));
|
---|
703 | if (svc == NULL) {
|
---|
704 | fibril_mutex_unlock(&services_list_mutex);
|
---|
705 | async_answer_0(&call, ENOENT);
|
---|
706 | async_answer_0(icall, ENOENT);
|
---|
707 | return;
|
---|
708 | }
|
---|
709 |
|
---|
710 | if (asprintf(&fqn, "%s/%s", svc->namespace->name, svc->name) < 0) {
|
---|
711 | fibril_mutex_unlock(&services_list_mutex);
|
---|
712 | async_answer_0(&call, ENOMEM);
|
---|
713 | async_answer_0(icall, ENOMEM);
|
---|
714 | return;
|
---|
715 | }
|
---|
716 |
|
---|
717 | act_size = str_size(fqn);
|
---|
718 | if (act_size > size) {
|
---|
719 | free(fqn);
|
---|
720 | fibril_mutex_unlock(&services_list_mutex);
|
---|
721 | async_answer_0(&call, EOVERFLOW);
|
---|
722 | async_answer_0(icall, EOVERFLOW);
|
---|
723 | return;
|
---|
724 | }
|
---|
725 |
|
---|
726 | errno_t retval = async_data_read_finalize(&call, fqn,
|
---|
727 | min(size, act_size));
|
---|
728 | free(fqn);
|
---|
729 |
|
---|
730 | fibril_mutex_unlock(&services_list_mutex);
|
---|
731 |
|
---|
732 | async_answer_0(icall, retval);
|
---|
733 | }
|
---|
734 |
|
---|
735 | static void loc_service_get_server_name(ipc_call_t *icall)
|
---|
736 | {
|
---|
737 | ipc_call_t call;
|
---|
738 | size_t size;
|
---|
739 | size_t act_size;
|
---|
740 | loc_service_t *svc;
|
---|
741 |
|
---|
742 | if (!async_data_read_receive(&call, &size)) {
|
---|
743 | async_answer_0(&call, EREFUSED);
|
---|
744 | async_answer_0(icall, EREFUSED);
|
---|
745 | return;
|
---|
746 | }
|
---|
747 |
|
---|
748 | fibril_mutex_lock(&services_list_mutex);
|
---|
749 |
|
---|
750 | svc = loc_service_find_id(ipc_get_arg1(icall));
|
---|
751 | if (svc == NULL) {
|
---|
752 | fibril_mutex_unlock(&services_list_mutex);
|
---|
753 | async_answer_0(&call, ENOENT);
|
---|
754 | async_answer_0(icall, ENOENT);
|
---|
755 | return;
|
---|
756 | }
|
---|
757 |
|
---|
758 | if (svc->server == NULL) {
|
---|
759 | fibril_mutex_unlock(&services_list_mutex);
|
---|
760 | async_answer_0(&call, EINVAL);
|
---|
761 | async_answer_0(icall, EINVAL);
|
---|
762 | return;
|
---|
763 | }
|
---|
764 |
|
---|
765 | act_size = str_size(svc->server->name);
|
---|
766 | if (act_size > size) {
|
---|
767 | fibril_mutex_unlock(&services_list_mutex);
|
---|
768 | async_answer_0(&call, EOVERFLOW);
|
---|
769 | async_answer_0(icall, EOVERFLOW);
|
---|
770 | return;
|
---|
771 | }
|
---|
772 |
|
---|
773 | errno_t retval = async_data_read_finalize(&call, svc->server->name,
|
---|
774 | min(size, act_size));
|
---|
775 |
|
---|
776 | fibril_mutex_unlock(&services_list_mutex);
|
---|
777 |
|
---|
778 | async_answer_0(icall, retval);
|
---|
779 | }
|
---|
780 |
|
---|
781 | /** Connect client to the service.
|
---|
782 | *
|
---|
783 | * Find server supplying requested service and forward
|
---|
784 | * the message to it.
|
---|
785 | *
|
---|
786 | */
|
---|
787 | static void loc_forward(ipc_call_t *call, void *arg)
|
---|
788 | {
|
---|
789 | fibril_mutex_lock(&services_list_mutex);
|
---|
790 |
|
---|
791 | /*
|
---|
792 | * Get ID from request
|
---|
793 | */
|
---|
794 | iface_t iface = ipc_get_arg1(call);
|
---|
795 | service_id_t id = ipc_get_arg2(call);
|
---|
796 | loc_service_t *svc = loc_service_find_id(id);
|
---|
797 |
|
---|
798 | if ((svc == NULL) || (svc->server == NULL) || (!svc->server->sess)) {
|
---|
799 | fibril_mutex_unlock(&services_list_mutex);
|
---|
800 | async_answer_0(call, ENOENT);
|
---|
801 | return;
|
---|
802 | }
|
---|
803 |
|
---|
804 | async_exch_t *exch = async_exchange_begin(svc->server->sess);
|
---|
805 | async_forward_1(call, exch, iface, svc->id, IPC_FF_NONE);
|
---|
806 | async_exchange_end(exch);
|
---|
807 |
|
---|
808 | fibril_mutex_unlock(&services_list_mutex);
|
---|
809 | }
|
---|
810 |
|
---|
811 | /** Find ID for service identified by name.
|
---|
812 | *
|
---|
813 | * In answer will be send EOK and service ID in arg1 or a error
|
---|
814 | * code from errno.h.
|
---|
815 | *
|
---|
816 | */
|
---|
817 | static void loc_service_get_id(ipc_call_t *icall)
|
---|
818 | {
|
---|
819 | char *fqsn;
|
---|
820 |
|
---|
821 | /* Get fqsn */
|
---|
822 | errno_t rc = async_data_write_accept((void **) &fqsn, true, 0,
|
---|
823 | LOC_NAME_MAXLEN, 0, NULL);
|
---|
824 | if (rc != EOK) {
|
---|
825 | async_answer_0(icall, rc);
|
---|
826 | return;
|
---|
827 | }
|
---|
828 |
|
---|
829 | char *ns_name;
|
---|
830 | char *name;
|
---|
831 | if (!loc_fqsn_split(fqsn, &ns_name, &name)) {
|
---|
832 | free(fqsn);
|
---|
833 | async_answer_0(icall, EINVAL);
|
---|
834 | return;
|
---|
835 | }
|
---|
836 |
|
---|
837 | free(fqsn);
|
---|
838 |
|
---|
839 | fibril_mutex_lock(&services_list_mutex);
|
---|
840 | const loc_service_t *svc;
|
---|
841 | int flags = ipc_get_arg1(icall);
|
---|
842 | bool start_requested = false;
|
---|
843 |
|
---|
844 | recheck:
|
---|
845 |
|
---|
846 | /*
|
---|
847 | * Find service name in the list of known services.
|
---|
848 | */
|
---|
849 | svc = loc_service_find_name(ns_name, name);
|
---|
850 |
|
---|
851 | /*
|
---|
852 | * Service was not found.
|
---|
853 | */
|
---|
854 | if (svc == NULL) {
|
---|
855 | /*
|
---|
856 | * TODO:
|
---|
857 | * Consider non-blocking service start, return some dummy id
|
---|
858 | * and block only after connection request (actually makes more
|
---|
859 | * sense as those who asks for ID might be someone else than
|
---|
860 | * those connecting)
|
---|
861 | *
|
---|
862 | * Note:
|
---|
863 | * service_list_mutex is released as we don't need to keep it
|
---|
864 | * while waiting for start request to finish.
|
---|
865 | */
|
---|
866 | if ((flags & IPC_FLAG_AUTOSTART_) && !start_requested) {
|
---|
867 | fibril_mutex_unlock(&services_list_mutex);
|
---|
868 | rc = loc_service_request_start(ns_name, name);
|
---|
869 | fibril_mutex_lock(&services_list_mutex);
|
---|
870 | start_requested = true;
|
---|
871 |
|
---|
872 | if (rc != EOK) {
|
---|
873 | goto finish;
|
---|
874 | } else {
|
---|
875 | goto recheck;
|
---|
876 | }
|
---|
877 | }
|
---|
878 |
|
---|
879 | if ((flags & IPC_FLAG_BLOCKING) || flags & IPC_FLAG_AUTOSTART_) {
|
---|
880 | fibril_condvar_wait(&services_list_cv,
|
---|
881 | &services_list_mutex);
|
---|
882 | goto recheck;
|
---|
883 | }
|
---|
884 | rc = ENOENT;
|
---|
885 | } else {
|
---|
886 | rc = EOK;
|
---|
887 | }
|
---|
888 |
|
---|
889 | finish:
|
---|
890 | if (rc == EOK) {
|
---|
891 | async_answer_1(icall, EOK, svc->id);
|
---|
892 | } else {
|
---|
893 | async_answer_0(icall, rc);
|
---|
894 | }
|
---|
895 |
|
---|
896 | fibril_mutex_unlock(&services_list_mutex);
|
---|
897 | free(ns_name);
|
---|
898 | free(name);
|
---|
899 | }
|
---|
900 |
|
---|
901 | /** Find ID for namespace identified by name.
|
---|
902 | *
|
---|
903 | * In answer will be send EOK and service ID in arg1 or a error
|
---|
904 | * code from errno.h.
|
---|
905 | *
|
---|
906 | */
|
---|
907 | static void loc_namespace_get_id(ipc_call_t *icall)
|
---|
908 | {
|
---|
909 | char *name;
|
---|
910 |
|
---|
911 | /* Get service name */
|
---|
912 | errno_t rc = async_data_write_accept((void **) &name, true, 0,
|
---|
913 | LOC_NAME_MAXLEN, 0, NULL);
|
---|
914 | if (rc != EOK) {
|
---|
915 | async_answer_0(icall, rc);
|
---|
916 | return;
|
---|
917 | }
|
---|
918 |
|
---|
919 | fibril_mutex_lock(&services_list_mutex);
|
---|
920 | const loc_namespace_t *namespace;
|
---|
921 |
|
---|
922 | recheck:
|
---|
923 |
|
---|
924 | /*
|
---|
925 | * Find namespace name in the list of known namespaces.
|
---|
926 | */
|
---|
927 | namespace = loc_namespace_find_name(name);
|
---|
928 |
|
---|
929 | /*
|
---|
930 | * Namespace was not found.
|
---|
931 | */
|
---|
932 | if (namespace == NULL) {
|
---|
933 | if (ipc_get_arg1(icall) & IPC_FLAG_BLOCKING) {
|
---|
934 | /* Blocking lookup */
|
---|
935 | fibril_condvar_wait(&services_list_cv,
|
---|
936 | &services_list_mutex);
|
---|
937 | goto recheck;
|
---|
938 | }
|
---|
939 |
|
---|
940 | async_answer_0(icall, ENOENT);
|
---|
941 | free(name);
|
---|
942 | fibril_mutex_unlock(&services_list_mutex);
|
---|
943 | return;
|
---|
944 | }
|
---|
945 |
|
---|
946 | async_answer_1(icall, EOK, namespace->id);
|
---|
947 |
|
---|
948 | fibril_mutex_unlock(&services_list_mutex);
|
---|
949 | free(name);
|
---|
950 | }
|
---|
951 |
|
---|
952 | /** Create callback connection.
|
---|
953 | *
|
---|
954 | * Create callback connection which will be used to send category change
|
---|
955 | * events.
|
---|
956 | *
|
---|
957 | * On success, answer will contain EOK errno_t retval.
|
---|
958 | * On failure, error code will be sent in retval.
|
---|
959 | *
|
---|
960 | */
|
---|
961 | static void loc_callback_create(ipc_call_t *icall)
|
---|
962 | {
|
---|
963 | cb_sess_t *cb_sess = calloc(1, sizeof(cb_sess_t));
|
---|
964 | if (cb_sess == NULL) {
|
---|
965 | async_answer_0(icall, ENOMEM);
|
---|
966 | return;
|
---|
967 | }
|
---|
968 |
|
---|
969 | async_sess_t *sess = async_callback_receive(EXCHANGE_SERIALIZE);
|
---|
970 | if (sess == NULL) {
|
---|
971 | free(cb_sess);
|
---|
972 | async_answer_0(icall, ENOMEM);
|
---|
973 | return;
|
---|
974 | }
|
---|
975 |
|
---|
976 | cb_sess->sess = sess;
|
---|
977 | link_initialize(&cb_sess->cb_sess_list);
|
---|
978 |
|
---|
979 | fibril_mutex_lock(&callback_sess_mutex);
|
---|
980 | list_append(&cb_sess->cb_sess_list, &callback_sess_list);
|
---|
981 | fibril_mutex_unlock(&callback_sess_mutex);
|
---|
982 |
|
---|
983 | async_answer_0(icall, EOK);
|
---|
984 | }
|
---|
985 |
|
---|
986 | void loc_category_change_event(void)
|
---|
987 | {
|
---|
988 | fibril_mutex_lock(&callback_sess_mutex);
|
---|
989 |
|
---|
990 | list_foreach(callback_sess_list, cb_sess_list, cb_sess_t, cb_sess) {
|
---|
991 | async_exch_t *exch = async_exchange_begin(cb_sess->sess);
|
---|
992 | async_msg_0(exch, LOC_EVENT_CAT_CHANGE);
|
---|
993 | async_exchange_end(exch);
|
---|
994 | }
|
---|
995 |
|
---|
996 | fibril_mutex_unlock(&callback_sess_mutex);
|
---|
997 | }
|
---|
998 |
|
---|
999 | /** Find ID for category specified by name.
|
---|
1000 | *
|
---|
1001 | * On success, answer will contain EOK errno_t retval and service ID in arg1.
|
---|
1002 | * On failure, error code will be sent in retval.
|
---|
1003 | *
|
---|
1004 | */
|
---|
1005 | static void loc_category_get_id(ipc_call_t *icall)
|
---|
1006 | {
|
---|
1007 | char *name;
|
---|
1008 | category_t *cat;
|
---|
1009 |
|
---|
1010 | /* Get service name */
|
---|
1011 | errno_t rc = async_data_write_accept((void **) &name, true, 0,
|
---|
1012 | LOC_NAME_MAXLEN, 0, NULL);
|
---|
1013 | if (rc != EOK) {
|
---|
1014 | async_answer_0(icall, rc);
|
---|
1015 | return;
|
---|
1016 | }
|
---|
1017 |
|
---|
1018 | fibril_mutex_lock(&cdir.mutex);
|
---|
1019 |
|
---|
1020 | cat = category_find_by_name(&cdir, name);
|
---|
1021 | if (cat == NULL) {
|
---|
1022 | /* Category not found */
|
---|
1023 | async_answer_0(icall, ENOENT);
|
---|
1024 | goto cleanup;
|
---|
1025 | }
|
---|
1026 |
|
---|
1027 | async_answer_1(icall, EOK, cat->id);
|
---|
1028 | cleanup:
|
---|
1029 | fibril_mutex_unlock(&cdir.mutex);
|
---|
1030 | free(name);
|
---|
1031 | }
|
---|
1032 |
|
---|
1033 | static void loc_id_probe(ipc_call_t *icall)
|
---|
1034 | {
|
---|
1035 | fibril_mutex_lock(&services_list_mutex);
|
---|
1036 |
|
---|
1037 | loc_namespace_t *namespace =
|
---|
1038 | loc_namespace_find_id(ipc_get_arg1(icall));
|
---|
1039 | if (namespace == NULL) {
|
---|
1040 | loc_service_t *svc =
|
---|
1041 | loc_service_find_id(ipc_get_arg1(icall));
|
---|
1042 | if (svc == NULL)
|
---|
1043 | async_answer_1(icall, EOK, LOC_OBJECT_NONE);
|
---|
1044 | else
|
---|
1045 | async_answer_1(icall, EOK, LOC_OBJECT_SERVICE);
|
---|
1046 | } else
|
---|
1047 | async_answer_1(icall, EOK, LOC_OBJECT_NAMESPACE);
|
---|
1048 |
|
---|
1049 | fibril_mutex_unlock(&services_list_mutex);
|
---|
1050 | }
|
---|
1051 |
|
---|
1052 | static void loc_get_namespace_count(ipc_call_t *icall)
|
---|
1053 | {
|
---|
1054 | fibril_mutex_lock(&services_list_mutex);
|
---|
1055 | async_answer_1(icall, EOK, list_count(&namespaces_list));
|
---|
1056 | fibril_mutex_unlock(&services_list_mutex);
|
---|
1057 | }
|
---|
1058 |
|
---|
1059 | static void loc_get_service_count(ipc_call_t *icall)
|
---|
1060 | {
|
---|
1061 | fibril_mutex_lock(&services_list_mutex);
|
---|
1062 |
|
---|
1063 | loc_namespace_t *namespace =
|
---|
1064 | loc_namespace_find_id(ipc_get_arg1(icall));
|
---|
1065 | if (namespace == NULL)
|
---|
1066 | async_answer_0(icall, EEXIST);
|
---|
1067 | else
|
---|
1068 | async_answer_1(icall, EOK, namespace->refcnt);
|
---|
1069 |
|
---|
1070 | fibril_mutex_unlock(&services_list_mutex);
|
---|
1071 | }
|
---|
1072 |
|
---|
1073 | static void loc_get_categories(ipc_call_t *icall)
|
---|
1074 | {
|
---|
1075 | ipc_call_t call;
|
---|
1076 | size_t size;
|
---|
1077 | size_t act_size;
|
---|
1078 | errno_t rc;
|
---|
1079 |
|
---|
1080 | if (!async_data_read_receive(&call, &size)) {
|
---|
1081 | async_answer_0(&call, EREFUSED);
|
---|
1082 | async_answer_0(icall, EREFUSED);
|
---|
1083 | return;
|
---|
1084 | }
|
---|
1085 |
|
---|
1086 | category_id_t *id_buf = (category_id_t *) malloc(size);
|
---|
1087 | if (id_buf == NULL) {
|
---|
1088 | fibril_mutex_unlock(&cdir.mutex);
|
---|
1089 | async_answer_0(&call, ENOMEM);
|
---|
1090 | async_answer_0(icall, ENOMEM);
|
---|
1091 | return;
|
---|
1092 | }
|
---|
1093 |
|
---|
1094 | fibril_mutex_lock(&cdir.mutex);
|
---|
1095 |
|
---|
1096 | rc = categ_dir_get_categories(&cdir, id_buf, size, &act_size);
|
---|
1097 | if (rc != EOK) {
|
---|
1098 | fibril_mutex_unlock(&cdir.mutex);
|
---|
1099 | async_answer_0(&call, rc);
|
---|
1100 | async_answer_0(icall, rc);
|
---|
1101 | return;
|
---|
1102 | }
|
---|
1103 |
|
---|
1104 | fibril_mutex_unlock(&cdir.mutex);
|
---|
1105 |
|
---|
1106 | errno_t retval = async_data_read_finalize(&call, id_buf, size);
|
---|
1107 | free(id_buf);
|
---|
1108 |
|
---|
1109 | async_answer_1(icall, retval, act_size);
|
---|
1110 | }
|
---|
1111 |
|
---|
1112 | static void loc_get_namespaces(ipc_call_t *icall)
|
---|
1113 | {
|
---|
1114 | ipc_call_t call;
|
---|
1115 | size_t size;
|
---|
1116 | if (!async_data_read_receive(&call, &size)) {
|
---|
1117 | async_answer_0(&call, EREFUSED);
|
---|
1118 | async_answer_0(icall, EREFUSED);
|
---|
1119 | return;
|
---|
1120 | }
|
---|
1121 |
|
---|
1122 | if ((size % sizeof(loc_sdesc_t)) != 0) {
|
---|
1123 | async_answer_0(&call, EINVAL);
|
---|
1124 | async_answer_0(icall, EINVAL);
|
---|
1125 | return;
|
---|
1126 | }
|
---|
1127 |
|
---|
1128 | fibril_mutex_lock(&services_list_mutex);
|
---|
1129 |
|
---|
1130 | size_t count = size / sizeof(loc_sdesc_t);
|
---|
1131 | if (count != list_count(&namespaces_list)) {
|
---|
1132 | fibril_mutex_unlock(&services_list_mutex);
|
---|
1133 | async_answer_0(&call, EOVERFLOW);
|
---|
1134 | async_answer_0(icall, EOVERFLOW);
|
---|
1135 | return;
|
---|
1136 | }
|
---|
1137 |
|
---|
1138 | loc_sdesc_t *desc = (loc_sdesc_t *) malloc(size);
|
---|
1139 | if (desc == NULL) {
|
---|
1140 | fibril_mutex_unlock(&services_list_mutex);
|
---|
1141 | async_answer_0(&call, ENOMEM);
|
---|
1142 | async_answer_0(icall, ENOMEM);
|
---|
1143 | return;
|
---|
1144 | }
|
---|
1145 |
|
---|
1146 | size_t pos = 0;
|
---|
1147 | list_foreach(namespaces_list, namespaces, loc_namespace_t, namespace) {
|
---|
1148 | desc[pos].id = namespace->id;
|
---|
1149 | str_cpy(desc[pos].name, LOC_NAME_MAXLEN, namespace->name);
|
---|
1150 | pos++;
|
---|
1151 | }
|
---|
1152 |
|
---|
1153 | errno_t retval = async_data_read_finalize(&call, desc, size);
|
---|
1154 |
|
---|
1155 | free(desc);
|
---|
1156 | fibril_mutex_unlock(&services_list_mutex);
|
---|
1157 |
|
---|
1158 | async_answer_0(icall, retval);
|
---|
1159 | }
|
---|
1160 |
|
---|
1161 | static void loc_get_services(ipc_call_t *icall)
|
---|
1162 | {
|
---|
1163 | /*
|
---|
1164 | * FIXME: Use faster algorithm which can make better use
|
---|
1165 | * of namespaces
|
---|
1166 | */
|
---|
1167 |
|
---|
1168 | ipc_call_t call;
|
---|
1169 | size_t size;
|
---|
1170 | if (!async_data_read_receive(&call, &size)) {
|
---|
1171 | async_answer_0(&call, EREFUSED);
|
---|
1172 | async_answer_0(icall, EREFUSED);
|
---|
1173 | return;
|
---|
1174 | }
|
---|
1175 |
|
---|
1176 | if ((size % sizeof(loc_sdesc_t)) != 0) {
|
---|
1177 | async_answer_0(&call, EINVAL);
|
---|
1178 | async_answer_0(icall, EINVAL);
|
---|
1179 | return;
|
---|
1180 | }
|
---|
1181 |
|
---|
1182 | fibril_mutex_lock(&services_list_mutex);
|
---|
1183 |
|
---|
1184 | loc_namespace_t *namespace =
|
---|
1185 | loc_namespace_find_id(ipc_get_arg1(icall));
|
---|
1186 | if (namespace == NULL) {
|
---|
1187 | fibril_mutex_unlock(&services_list_mutex);
|
---|
1188 | async_answer_0(&call, ENOENT);
|
---|
1189 | async_answer_0(icall, ENOENT);
|
---|
1190 | return;
|
---|
1191 | }
|
---|
1192 |
|
---|
1193 | size_t count = size / sizeof(loc_sdesc_t);
|
---|
1194 | if (count != namespace->refcnt) {
|
---|
1195 | fibril_mutex_unlock(&services_list_mutex);
|
---|
1196 | async_answer_0(&call, EOVERFLOW);
|
---|
1197 | async_answer_0(icall, EOVERFLOW);
|
---|
1198 | return;
|
---|
1199 | }
|
---|
1200 |
|
---|
1201 | loc_sdesc_t *desc = (loc_sdesc_t *) malloc(size);
|
---|
1202 | if (desc == NULL) {
|
---|
1203 | fibril_mutex_unlock(&services_list_mutex);
|
---|
1204 | async_answer_0(&call, ENOMEM);
|
---|
1205 | async_answer_0(icall, EREFUSED);
|
---|
1206 | return;
|
---|
1207 | }
|
---|
1208 |
|
---|
1209 | size_t pos = 0;
|
---|
1210 | list_foreach(services_list, services, loc_service_t, service) {
|
---|
1211 | if (service->namespace == namespace) {
|
---|
1212 | desc[pos].id = service->id;
|
---|
1213 | str_cpy(desc[pos].name, LOC_NAME_MAXLEN, service->name);
|
---|
1214 | pos++;
|
---|
1215 | }
|
---|
1216 | }
|
---|
1217 |
|
---|
1218 | errno_t retval = async_data_read_finalize(&call, desc, size);
|
---|
1219 |
|
---|
1220 | free(desc);
|
---|
1221 | fibril_mutex_unlock(&services_list_mutex);
|
---|
1222 |
|
---|
1223 | async_answer_0(icall, retval);
|
---|
1224 | }
|
---|
1225 |
|
---|
1226 | static void loc_category_get_svcs(ipc_call_t *icall)
|
---|
1227 | {
|
---|
1228 | ipc_call_t call;
|
---|
1229 | size_t size;
|
---|
1230 | size_t act_size;
|
---|
1231 | errno_t rc;
|
---|
1232 |
|
---|
1233 | if (!async_data_read_receive(&call, &size)) {
|
---|
1234 | async_answer_0(&call, EREFUSED);
|
---|
1235 | async_answer_0(icall, EREFUSED);
|
---|
1236 | return;
|
---|
1237 | }
|
---|
1238 |
|
---|
1239 | fibril_mutex_lock(&cdir.mutex);
|
---|
1240 |
|
---|
1241 | category_t *cat = category_get(&cdir, ipc_get_arg1(icall));
|
---|
1242 | if (cat == NULL) {
|
---|
1243 | fibril_mutex_unlock(&cdir.mutex);
|
---|
1244 | async_answer_0(&call, ENOENT);
|
---|
1245 | async_answer_0(icall, ENOENT);
|
---|
1246 | return;
|
---|
1247 | }
|
---|
1248 |
|
---|
1249 | category_id_t *id_buf = (category_id_t *) malloc(size);
|
---|
1250 | if (id_buf == NULL) {
|
---|
1251 | fibril_mutex_unlock(&cdir.mutex);
|
---|
1252 | async_answer_0(&call, ENOMEM);
|
---|
1253 | async_answer_0(icall, ENOMEM);
|
---|
1254 | return;
|
---|
1255 | }
|
---|
1256 |
|
---|
1257 | fibril_mutex_lock(&cat->mutex);
|
---|
1258 |
|
---|
1259 | rc = category_get_services(cat, id_buf, size, &act_size);
|
---|
1260 | if (rc != EOK) {
|
---|
1261 | fibril_mutex_unlock(&cat->mutex);
|
---|
1262 | fibril_mutex_unlock(&cdir.mutex);
|
---|
1263 | async_answer_0(&call, rc);
|
---|
1264 | async_answer_0(icall, rc);
|
---|
1265 | return;
|
---|
1266 | }
|
---|
1267 |
|
---|
1268 | fibril_mutex_unlock(&cat->mutex);
|
---|
1269 | fibril_mutex_unlock(&cdir.mutex);
|
---|
1270 |
|
---|
1271 | errno_t retval = async_data_read_finalize(&call, id_buf, size);
|
---|
1272 | free(id_buf);
|
---|
1273 |
|
---|
1274 | async_answer_1(icall, retval, act_size);
|
---|
1275 | }
|
---|
1276 |
|
---|
1277 | static void loc_null_create(ipc_call_t *icall)
|
---|
1278 | {
|
---|
1279 | fibril_mutex_lock(&null_services_mutex);
|
---|
1280 |
|
---|
1281 | unsigned int i;
|
---|
1282 | bool fnd = false;
|
---|
1283 |
|
---|
1284 | for (i = 0; i < NULL_SERVICES; i++) {
|
---|
1285 | if (null_services[i] == NULL) {
|
---|
1286 | fnd = true;
|
---|
1287 | break;
|
---|
1288 | }
|
---|
1289 | }
|
---|
1290 |
|
---|
1291 | if (!fnd) {
|
---|
1292 | fibril_mutex_unlock(&null_services_mutex);
|
---|
1293 | async_answer_0(icall, ENOMEM);
|
---|
1294 | return;
|
---|
1295 | }
|
---|
1296 |
|
---|
1297 | char null[LOC_NAME_MAXLEN];
|
---|
1298 | snprintf(null, LOC_NAME_MAXLEN, "%u", i);
|
---|
1299 |
|
---|
1300 | char *dev_name = str_dup(null);
|
---|
1301 | if (dev_name == NULL) {
|
---|
1302 | fibril_mutex_unlock(&null_services_mutex);
|
---|
1303 | async_answer_0(icall, ENOMEM);
|
---|
1304 | return;
|
---|
1305 | }
|
---|
1306 |
|
---|
1307 | loc_service_t *service =
|
---|
1308 | (loc_service_t *) malloc(sizeof(loc_service_t));
|
---|
1309 | if (service == NULL) {
|
---|
1310 | fibril_mutex_unlock(&null_services_mutex);
|
---|
1311 | async_answer_0(icall, ENOMEM);
|
---|
1312 | return;
|
---|
1313 | }
|
---|
1314 |
|
---|
1315 | fibril_mutex_lock(&services_list_mutex);
|
---|
1316 |
|
---|
1317 | loc_namespace_t *namespace = loc_namespace_create("null");
|
---|
1318 | if (namespace == NULL) {
|
---|
1319 | fibril_mutex_lock(&services_list_mutex);
|
---|
1320 | fibril_mutex_unlock(&null_services_mutex);
|
---|
1321 | async_answer_0(icall, ENOMEM);
|
---|
1322 | return;
|
---|
1323 | }
|
---|
1324 |
|
---|
1325 | link_initialize(&service->services);
|
---|
1326 | link_initialize(&service->server_services);
|
---|
1327 | list_initialize(&service->cat_memb);
|
---|
1328 |
|
---|
1329 | /* Get unique service ID */
|
---|
1330 | service->id = loc_create_id();
|
---|
1331 | service->server = NULL;
|
---|
1332 |
|
---|
1333 | loc_namespace_addref(namespace, service);
|
---|
1334 | service->name = dev_name;
|
---|
1335 |
|
---|
1336 | /*
|
---|
1337 | * Insert service into list of all services and into null services array.
|
---|
1338 | * Insert service into a dummy list of null server's services so that it
|
---|
1339 | * can be safely removed later.
|
---|
1340 | */
|
---|
1341 | list_append(&service->services, &services_list);
|
---|
1342 | list_append(&service->server_services, &dummy_null_services);
|
---|
1343 | null_services[i] = service;
|
---|
1344 |
|
---|
1345 | fibril_mutex_unlock(&services_list_mutex);
|
---|
1346 | fibril_mutex_unlock(&null_services_mutex);
|
---|
1347 |
|
---|
1348 | async_answer_1(icall, EOK, (sysarg_t) i);
|
---|
1349 | }
|
---|
1350 |
|
---|
1351 | static void loc_null_destroy(ipc_call_t *icall)
|
---|
1352 | {
|
---|
1353 | sysarg_t i = ipc_get_arg1(icall);
|
---|
1354 | if (i >= NULL_SERVICES) {
|
---|
1355 | async_answer_0(icall, ELIMIT);
|
---|
1356 | return;
|
---|
1357 | }
|
---|
1358 |
|
---|
1359 | fibril_mutex_lock(&null_services_mutex);
|
---|
1360 |
|
---|
1361 | if (null_services[i] == NULL) {
|
---|
1362 | fibril_mutex_unlock(&null_services_mutex);
|
---|
1363 | async_answer_0(icall, ENOENT);
|
---|
1364 | return;
|
---|
1365 | }
|
---|
1366 |
|
---|
1367 | fibril_mutex_lock(&services_list_mutex);
|
---|
1368 | fibril_mutex_lock(&cdir.mutex);
|
---|
1369 | loc_service_unregister_core(null_services[i]);
|
---|
1370 | fibril_mutex_unlock(&cdir.mutex);
|
---|
1371 | fibril_mutex_unlock(&services_list_mutex);
|
---|
1372 |
|
---|
1373 | null_services[i] = NULL;
|
---|
1374 |
|
---|
1375 | fibril_mutex_unlock(&null_services_mutex);
|
---|
1376 | async_answer_0(icall, EOK);
|
---|
1377 | }
|
---|
1378 |
|
---|
1379 | static void loc_service_add_to_cat(ipc_call_t *icall)
|
---|
1380 | {
|
---|
1381 | category_t *cat;
|
---|
1382 | loc_service_t *svc;
|
---|
1383 | catid_t cat_id;
|
---|
1384 | service_id_t svc_id;
|
---|
1385 | errno_t retval;
|
---|
1386 |
|
---|
1387 | svc_id = ipc_get_arg1(icall);
|
---|
1388 | cat_id = ipc_get_arg2(icall);
|
---|
1389 |
|
---|
1390 | fibril_mutex_lock(&services_list_mutex);
|
---|
1391 | fibril_mutex_lock(&cdir.mutex);
|
---|
1392 |
|
---|
1393 | cat = category_get(&cdir, cat_id);
|
---|
1394 | svc = loc_service_find_id(svc_id);
|
---|
1395 |
|
---|
1396 | if (cat == NULL || svc == NULL) {
|
---|
1397 | fibril_mutex_unlock(&cdir.mutex);
|
---|
1398 | fibril_mutex_unlock(&services_list_mutex);
|
---|
1399 | async_answer_0(icall, ENOENT);
|
---|
1400 | return;
|
---|
1401 | }
|
---|
1402 |
|
---|
1403 | fibril_mutex_lock(&cat->mutex);
|
---|
1404 | retval = category_add_service(cat, svc);
|
---|
1405 |
|
---|
1406 | fibril_mutex_unlock(&cat->mutex);
|
---|
1407 | fibril_mutex_unlock(&cdir.mutex);
|
---|
1408 | fibril_mutex_unlock(&services_list_mutex);
|
---|
1409 |
|
---|
1410 | /*
|
---|
1411 | * First send out all notifications and only then answer the request.
|
---|
1412 | * Otherwise the current fibril might block and transitively wait for
|
---|
1413 | * the completion of requests that are routed to it via an IPC loop.
|
---|
1414 | */
|
---|
1415 | loc_category_change_event();
|
---|
1416 | async_answer_0(icall, retval);
|
---|
1417 | }
|
---|
1418 |
|
---|
1419 | /** Initialize location service.
|
---|
1420 | *
|
---|
1421 | *
|
---|
1422 | */
|
---|
1423 | static bool loc_init(void)
|
---|
1424 | {
|
---|
1425 | unsigned int i;
|
---|
1426 | category_t *cat;
|
---|
1427 |
|
---|
1428 | for (i = 0; i < NULL_SERVICES; i++)
|
---|
1429 | null_services[i] = NULL;
|
---|
1430 |
|
---|
1431 | categ_dir_init(&cdir);
|
---|
1432 |
|
---|
1433 | cat = category_new("disk");
|
---|
1434 | categ_dir_add_cat(&cdir, cat);
|
---|
1435 |
|
---|
1436 | cat = category_new("partition");
|
---|
1437 | categ_dir_add_cat(&cdir, cat);
|
---|
1438 |
|
---|
1439 | cat = category_new("iplink");
|
---|
1440 | categ_dir_add_cat(&cdir, cat);
|
---|
1441 |
|
---|
1442 | cat = category_new("keyboard");
|
---|
1443 | categ_dir_add_cat(&cdir, cat);
|
---|
1444 |
|
---|
1445 | cat = category_new("mouse");
|
---|
1446 | categ_dir_add_cat(&cdir, cat);
|
---|
1447 |
|
---|
1448 | cat = category_new("led");
|
---|
1449 | categ_dir_add_cat(&cdir, cat);
|
---|
1450 |
|
---|
1451 | cat = category_new("serial");
|
---|
1452 | categ_dir_add_cat(&cdir, cat);
|
---|
1453 |
|
---|
1454 | cat = category_new("console");
|
---|
1455 | categ_dir_add_cat(&cdir, cat);
|
---|
1456 |
|
---|
1457 | cat = category_new("clock");
|
---|
1458 | categ_dir_add_cat(&cdir, cat);
|
---|
1459 |
|
---|
1460 | cat = category_new("test3");
|
---|
1461 | categ_dir_add_cat(&cdir, cat);
|
---|
1462 |
|
---|
1463 | cat = category_new("usbdiag");
|
---|
1464 | categ_dir_add_cat(&cdir, cat);
|
---|
1465 |
|
---|
1466 | cat = category_new("usbhc");
|
---|
1467 | categ_dir_add_cat(&cdir, cat);
|
---|
1468 |
|
---|
1469 | cat = category_new("virt-null");
|
---|
1470 | categ_dir_add_cat(&cdir, cat);
|
---|
1471 |
|
---|
1472 | cat = category_new("virtual");
|
---|
1473 | categ_dir_add_cat(&cdir, cat);
|
---|
1474 |
|
---|
1475 | cat = category_new("nic");
|
---|
1476 | categ_dir_add_cat(&cdir, cat);
|
---|
1477 |
|
---|
1478 | cat = category_new("ieee80211");
|
---|
1479 | categ_dir_add_cat(&cdir, cat);
|
---|
1480 |
|
---|
1481 | cat = category_new("irc");
|
---|
1482 | categ_dir_add_cat(&cdir, cat);
|
---|
1483 |
|
---|
1484 | cat = category_new("visualizer");
|
---|
1485 | categ_dir_add_cat(&cdir, cat);
|
---|
1486 |
|
---|
1487 | cat = category_new("renderer");
|
---|
1488 | categ_dir_add_cat(&cdir, cat);
|
---|
1489 |
|
---|
1490 | cat = category_new("audio-pcm");
|
---|
1491 | categ_dir_add_cat(&cdir, cat);
|
---|
1492 |
|
---|
1493 | cat = category_new("printer-port");
|
---|
1494 | categ_dir_add_cat(&cdir, cat);
|
---|
1495 |
|
---|
1496 | cat = category_new("pci");
|
---|
1497 | categ_dir_add_cat(&cdir, cat);
|
---|
1498 |
|
---|
1499 | return true;
|
---|
1500 | }
|
---|
1501 |
|
---|
1502 | /** Handle connection on supplier port.
|
---|
1503 | *
|
---|
1504 | */
|
---|
1505 | static void loc_connection_supplier(ipc_call_t *icall, void *arg)
|
---|
1506 | {
|
---|
1507 | /* Accept connection */
|
---|
1508 | async_accept_0(icall);
|
---|
1509 |
|
---|
1510 | /*
|
---|
1511 | * Each connection begins by a LOC_SERVER_REGISTER, which precludes us
|
---|
1512 | * from using parallel exchanges.
|
---|
1513 | */
|
---|
1514 | static_assert((INTERFACE_LOC_SUPPLIER & IFACE_EXCHANGE_MASK) ==
|
---|
1515 | IFACE_EXCHANGE_SERIALIZE, "");
|
---|
1516 |
|
---|
1517 | loc_server_t *server = loc_server_register();
|
---|
1518 | if (server == NULL)
|
---|
1519 | return;
|
---|
1520 |
|
---|
1521 | while (true) {
|
---|
1522 | ipc_call_t call;
|
---|
1523 | async_get_call(&call);
|
---|
1524 |
|
---|
1525 | if (!ipc_get_imethod(&call)) {
|
---|
1526 | async_answer_0(&call, EOK);
|
---|
1527 | break;
|
---|
1528 | }
|
---|
1529 |
|
---|
1530 | switch (ipc_get_imethod(&call)) {
|
---|
1531 | case LOC_SERVER_UNREGISTER:
|
---|
1532 | if (server == NULL)
|
---|
1533 | async_answer_0(&call, ENOENT);
|
---|
1534 | else
|
---|
1535 | async_answer_0(&call, EOK);
|
---|
1536 | break;
|
---|
1537 | case LOC_SERVICE_ADD_TO_CAT:
|
---|
1538 | /* Add service to category */
|
---|
1539 | loc_service_add_to_cat(&call);
|
---|
1540 | break;
|
---|
1541 | case LOC_SERVICE_REGISTER:
|
---|
1542 | /* Register one service */
|
---|
1543 | loc_service_register(&call, server);
|
---|
1544 | break;
|
---|
1545 | case LOC_SERVICE_UNREGISTER:
|
---|
1546 | /* Remove one service */
|
---|
1547 | loc_service_unregister(&call, server);
|
---|
1548 | break;
|
---|
1549 | case LOC_SERVICE_GET_ID:
|
---|
1550 | loc_service_get_id(&call);
|
---|
1551 | break;
|
---|
1552 | case LOC_NAMESPACE_GET_ID:
|
---|
1553 | loc_namespace_get_id(&call);
|
---|
1554 | break;
|
---|
1555 | default:
|
---|
1556 | async_answer_0(&call, ENOENT);
|
---|
1557 | }
|
---|
1558 | }
|
---|
1559 |
|
---|
1560 | if (server != NULL) {
|
---|
1561 | /*
|
---|
1562 | * Unregister the server and all its services.
|
---|
1563 | */
|
---|
1564 | loc_server_unregister(server);
|
---|
1565 | server = NULL;
|
---|
1566 | }
|
---|
1567 | }
|
---|
1568 |
|
---|
1569 | /** Handle connection on consumer port.
|
---|
1570 | *
|
---|
1571 | */
|
---|
1572 | static void loc_connection_consumer(ipc_call_t *icall, void *arg)
|
---|
1573 | {
|
---|
1574 | /* Accept connection */
|
---|
1575 | async_accept_0(icall);
|
---|
1576 |
|
---|
1577 | while (true) {
|
---|
1578 | ipc_call_t call;
|
---|
1579 | async_get_call(&call);
|
---|
1580 |
|
---|
1581 | if (!ipc_get_imethod(&call)) {
|
---|
1582 | async_answer_0(&call, EOK);
|
---|
1583 | break;
|
---|
1584 | }
|
---|
1585 |
|
---|
1586 | switch (ipc_get_imethod(&call)) {
|
---|
1587 | case LOC_SERVICE_GET_ID:
|
---|
1588 | loc_service_get_id(&call);
|
---|
1589 | break;
|
---|
1590 | case LOC_SERVICE_GET_NAME:
|
---|
1591 | loc_service_get_name(&call);
|
---|
1592 | break;
|
---|
1593 | case LOC_SERVICE_GET_SERVER_NAME:
|
---|
1594 | loc_service_get_server_name(&call);
|
---|
1595 | break;
|
---|
1596 | case LOC_NAMESPACE_GET_ID:
|
---|
1597 | loc_namespace_get_id(&call);
|
---|
1598 | break;
|
---|
1599 | case LOC_CALLBACK_CREATE:
|
---|
1600 | loc_callback_create(&call);
|
---|
1601 | break;
|
---|
1602 | case LOC_CATEGORY_GET_ID:
|
---|
1603 | loc_category_get_id(&call);
|
---|
1604 | break;
|
---|
1605 | case LOC_CATEGORY_GET_NAME:
|
---|
1606 | loc_category_get_name(&call);
|
---|
1607 | break;
|
---|
1608 | case LOC_CATEGORY_GET_SVCS:
|
---|
1609 | loc_category_get_svcs(&call);
|
---|
1610 | break;
|
---|
1611 | case LOC_ID_PROBE:
|
---|
1612 | loc_id_probe(&call);
|
---|
1613 | break;
|
---|
1614 | case LOC_NULL_CREATE:
|
---|
1615 | loc_null_create(&call);
|
---|
1616 | break;
|
---|
1617 | case LOC_NULL_DESTROY:
|
---|
1618 | loc_null_destroy(&call);
|
---|
1619 | break;
|
---|
1620 | case LOC_GET_NAMESPACE_COUNT:
|
---|
1621 | loc_get_namespace_count(&call);
|
---|
1622 | break;
|
---|
1623 | case LOC_GET_SERVICE_COUNT:
|
---|
1624 | loc_get_service_count(&call);
|
---|
1625 | break;
|
---|
1626 | case LOC_GET_CATEGORIES:
|
---|
1627 | loc_get_categories(&call);
|
---|
1628 | break;
|
---|
1629 | case LOC_GET_NAMESPACES:
|
---|
1630 | loc_get_namespaces(&call);
|
---|
1631 | break;
|
---|
1632 | case LOC_GET_SERVICES:
|
---|
1633 | loc_get_services(&call);
|
---|
1634 | break;
|
---|
1635 | default:
|
---|
1636 | async_answer_0(&call, ENOENT);
|
---|
1637 | }
|
---|
1638 | }
|
---|
1639 | }
|
---|
1640 |
|
---|
1641 | /**
|
---|
1642 | *
|
---|
1643 | */
|
---|
1644 | int main(int argc, char *argv[])
|
---|
1645 | {
|
---|
1646 | printf("%s: HelenOS Location Service\n", NAME);
|
---|
1647 |
|
---|
1648 | if (!loc_init()) {
|
---|
1649 | printf("%s: Error while initializing service\n", NAME);
|
---|
1650 | return -1;
|
---|
1651 | }
|
---|
1652 |
|
---|
1653 | /* Register location service at naming service */
|
---|
1654 | errno_t rc = service_register(SERVICE_LOC, INTERFACE_LOC_SUPPLIER,
|
---|
1655 | loc_connection_supplier, NULL);
|
---|
1656 | if (rc != EOK) {
|
---|
1657 | printf("%s: Error while registering supplier service: %s\n", NAME, str_error(rc));
|
---|
1658 | return rc;
|
---|
1659 | }
|
---|
1660 |
|
---|
1661 | rc = service_register(SERVICE_LOC, INTERFACE_LOC_CONSUMER,
|
---|
1662 | loc_connection_consumer, NULL);
|
---|
1663 | if (rc != EOK) {
|
---|
1664 | printf("%s: Error while registering consumer service: %s\n", NAME, str_error(rc));
|
---|
1665 | return rc;
|
---|
1666 | }
|
---|
1667 |
|
---|
1668 | rc = service_register_broker(SERVICE_LOC, loc_forward, NULL);
|
---|
1669 | if (rc != EOK) {
|
---|
1670 | printf("%s: Error while registering broker service: %s\n", NAME, str_error(rc));
|
---|
1671 | return rc;
|
---|
1672 | }
|
---|
1673 |
|
---|
1674 | /* Let sysman know we are broker */
|
---|
1675 | rc = sysman_broker_register();
|
---|
1676 | if (rc != EOK) {
|
---|
1677 | printf("%s: Error registering at sysman (%i)\n", NAME, rc);
|
---|
1678 | return rc;
|
---|
1679 | }
|
---|
1680 |
|
---|
1681 | printf("%s: Accepting connections\n", NAME);
|
---|
1682 | task_retval(0);
|
---|
1683 | async_manager();
|
---|
1684 |
|
---|
1685 | /* Never reached */
|
---|
1686 | return 0;
|
---|
1687 | }
|
---|
1688 |
|
---|
1689 | /**
|
---|
1690 | * @}
|
---|
1691 | */
|
---|