2 * Copyright (C) 2015-2019 "IoT.bzh"
3 * Author José Bollo <jose.bollo@iot.bzh>
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 #if defined(WITH_DBUS_TRANSPARENCY)
28 #include <systemd/sd-bus.h>
29 #include <json-c/json.h>
30 #if !defined(JSON_C_TO_STRING_NOSLASHESCAPE)
31 #define JSON_C_TO_STRING_NOSLASHESCAPE 0
34 #include <afb/afb-event-x2.h>
36 #include "afb-session.h"
37 #include "afb-msg-json.h"
39 #include "afb-apiset.h"
40 #include "afb-api-dbus.h"
41 #include "afb-context.h"
49 static const char DEFAULT_PATH_PREFIX[] = "/org/agl/afb/api/";
56 * The path given are of the form
57 * system:/org/agl/afb/api/...
59 * user:/org/agl/afb/api/...
63 struct sd_bus *sdbus; /* the bus */
64 char *path; /* path of the object for the API */
65 char *name; /* name/interface of the object */
66 char *api; /* api name of the interface */
69 struct sd_bus_slot *slot_broadcast;
70 struct sd_bus_slot *slot_event;
71 struct dbus_event *events;
72 struct dbus_memo *memos;
75 struct sd_bus_slot *slot_call;
76 struct afb_evt_listener *listener; /* listener for broadcasted events */
77 struct origin *origins;
78 struct afb_apiset *apiset;
83 /******************* common part **********************************/
86 * create a structure api_dbus connected on either the system
87 * bus if 'system' is not null or on the user bus. The connection
88 * is established for either emiting/receiving on 'path' being of length
91 static struct api_dbus *make_api_dbus_3(int system, const char *path, size_t pathlen)
97 /* allocates the structure */
98 api = calloc(1, sizeof *api + 1 + pathlen + pathlen);
104 /* init the structure's strings */
106 /* path is copied after the struct */
107 api->path = (void*)(api+1);
108 strcpy(api->path, path);
110 /* api name is at the end of the path */
111 api->api = strrchr(api->path, '/');
112 if (api->api == NULL) {
117 if (!afb_api_is_valid_name(api->api)) {
122 /* the name/interface is copied after the path */
123 api->name = &api->path[pathlen + 1];
124 strcpy(api->name, &path[1]);
125 ptr = strchr(api->name, '/');
128 ptr = strchr(ptr, '/');
132 sdbus = (system ? systemd_get_system_bus : systemd_get_user_bus)();
146 * create a structure api_dbus connected on either the system
147 * bus if 'system' is not null or on the user bus. The connection
148 * is established for either emiting/receiving on 'path'.
149 * If 'path' is not absolute, it is prefixed with DEFAULT_PATH_PREFIX.
151 static struct api_dbus *make_api_dbus_2(int system, const char *path)
156 /* check the length of the path */
163 /* if the path is absolute, creation now */
165 return make_api_dbus_3(system, path, len);
167 /* compute the path prefixed with DEFAULT_PATH_PREFIX */
168 assert(strlen(DEFAULT_PATH_PREFIX) > 0);
169 assert(DEFAULT_PATH_PREFIX[strlen(DEFAULT_PATH_PREFIX) - 1] == '/');
170 len += strlen(DEFAULT_PATH_PREFIX);
171 ptr = alloca(len + 1);
172 strcpy(stpcpy(ptr, DEFAULT_PATH_PREFIX), path);
174 /* creation for prefixed path */
175 return make_api_dbus_3(system, ptr, len);
179 * create a structure api_dbus connected either emiting/receiving
181 * The path can be prefixed with "system:" or "user:" to select
182 * either the user or the system D-Bus. If none is set then user's
184 * If remaining 'path' is not absolute, it is prefixed with
185 * DEFAULT_PATH_PREFIX.
187 static struct api_dbus *make_api_dbus(const char *path)
192 /* retrieves the prefix "scheme-like" part */
193 ptr = strchr(path, ':');
195 return make_api_dbus_2(0, path);
197 /* check the prefix part */
198 preflen = (size_t)(ptr - path);
199 if (strncmp(path, "system", preflen) == 0)
200 return make_api_dbus_2(1, ptr + 1);
202 if (strncmp(path, "user", preflen) == 0)
203 return make_api_dbus_2(0, ptr + 1);
205 /* TODO: connect to a foreign D-Bus? */
210 static void destroy_api_dbus(struct api_dbus *api)
215 /******************* client part **********************************/
218 * structure for recording query data
221 struct dbus_memo *next; /* the next memo */
222 struct api_dbus *api; /* the dbus api */
223 struct afb_xreq *xreq; /* the request */
224 uint64_t msgid; /* the message identifier */
229 struct dbus_event *next;
230 struct afb_event_x2 *event;
235 /* allocates and init the memorizing data */
236 static struct dbus_memo *api_dbus_client_memo_make(struct api_dbus *api, struct afb_xreq *xreq)
238 struct dbus_memo *memo;
240 memo = malloc(sizeof *memo);
242 afb_xreq_unhooked_addref(xreq);
246 memo->next = api->client.memos;
247 api->client.memos = memo;
252 /* free and release the memorizing data */
253 static void api_dbus_client_memo_destroy(struct dbus_memo *memo)
255 struct dbus_memo **prv;
257 prv = &memo->api->client.memos;
258 while (*prv != NULL) {
266 afb_xreq_unhooked_unref(memo->xreq);
270 /* search a memorized request */
271 static struct dbus_memo *api_dbus_client_memo_search(struct api_dbus *api, uint64_t msgid)
273 struct dbus_memo *memo;
275 memo = api->client.memos;
276 while (memo != NULL && memo->msgid != msgid)
282 /* callback when received answer */
283 static int api_dbus_client_on_reply(sd_bus_message *message, void *userdata, sd_bus_error *ret_error)
286 struct dbus_memo *memo;
287 const char *json, *error, *info;
288 struct json_object *object;
289 enum json_tokener_error jerr;
291 /* retrieve the recorded data */
295 rc = sd_bus_message_read(message, "sss", &json, &error, &info);
297 /* failing to have the answer */
298 afb_xreq_reply(memo->xreq, NULL, "error", "dbus error");
300 /* report the answer */
304 object = json_tokener_parse_verbose(json, &jerr);
305 if (jerr != json_tokener_success)
306 object = json_object_new_string(json);
308 afb_xreq_reply(memo->xreq, object, *error ? error : NULL, *info ? info : NULL);
310 api_dbus_client_memo_destroy(memo);
314 /* on call, propagate it to the dbus service */
315 static void api_dbus_client_call(void *closure, struct afb_xreq *xreq)
317 struct api_dbus *api = closure;
320 struct dbus_memo *memo;
321 struct sd_bus_message *msg;
324 /* create the recording data */
325 memo = api_dbus_client_memo_make(api, xreq);
327 afb_xreq_reply(memo->xreq, NULL, "error", "out of memory");
331 /* creates the message */
333 rc = sd_bus_message_new_method_call(api->sdbus, &msg, api->name, api->path, api->name, xreq->request.called_verb);
337 creds = xreq_on_behalf_cred_export(xreq);
338 rc = sd_bus_message_append(msg, "ssus",
339 afb_xreq_raw(xreq, &size),
340 afb_session_uuid(xreq->context.session),
341 (uint32_t)xreq->context.flags,
347 rc = sd_bus_call_async(api->sdbus, NULL, msg, api_dbus_client_on_reply, memo, (uint64_t)-1);
351 rc = sd_bus_message_get_cookie(msg, &memo->msgid);
356 /* if there was an error report it directly */
358 afb_xreq_reply(memo->xreq, NULL, "error", "dbus error");
359 api_dbus_client_memo_destroy(memo);
361 sd_bus_message_unref(msg);
364 /* receives broadcasted events */
365 static int api_dbus_client_on_broadcast_event(sd_bus_message *m, void *userdata, sd_bus_error *ret_error)
367 struct json_object *object;
368 const char *event, *data;
369 enum json_tokener_error jerr;
370 int rc = sd_bus_message_read(m, "ss", &event, &data);
372 ERROR("unreadable broadcasted event");
374 object = json_tokener_parse_verbose(data, &jerr);
375 if (jerr != json_tokener_success)
376 object = json_object_new_string(data);
377 afb_evt_broadcast(event, object);
382 /* search the eventid */
383 static struct dbus_event *api_dbus_client_event_search(struct api_dbus *api, int id, const char *name)
385 struct dbus_event *ev;
387 ev = api->client.events;
388 while (ev != NULL && (ev->id != id || 0 != strcmp(afb_evt_event_x2_fullname(ev->event), name)))
394 /* adds an eventid */
395 static void api_dbus_client_event_create(struct api_dbus *api, int id, const char *name)
397 struct dbus_event *ev;
399 /* check conflicts */
400 ev = api_dbus_client_event_search(api, id, name);
406 /* no conflict, try to add it */
407 ev = malloc(sizeof *ev);
409 ev->event = afb_evt_event_x2_create(name);
410 if (ev->event == NULL)
415 ev->next = api->client.events;
416 api->client.events = ev;
420 ERROR("can't create event %s, out of memory", name);
423 /* removes an eventid */
424 static void api_dbus_client_event_drop(struct api_dbus *api, int id, const char *name)
426 struct dbus_event *ev, **prv;
428 /* retrieves the event */
429 ev = api_dbus_client_event_search(api, id, name);
431 ERROR("event %s not found", name);
435 /* decrease the reference count */
439 /* unlinks the event */
440 prv = &api->client.events;
445 /* destroys the event */
446 afb_evt_event_x2_unref(ev->event);
451 static void api_dbus_client_event_push(struct api_dbus *api, int id, const char *name, const char *data)
453 struct json_object *object;
454 struct dbus_event *ev;
455 enum json_tokener_error jerr;
457 /* retrieves the event */
458 ev = api_dbus_client_event_search(api, id, name);
460 ERROR("event %s not found", name);
464 /* destroys the event */
465 object = json_tokener_parse_verbose(data, &jerr);
466 if (jerr != json_tokener_success)
467 object = json_object_new_string(data);
468 afb_evt_event_x2_push(ev->event, object);
471 /* subscribes an event */
472 static void api_dbus_client_event_subscribe(struct api_dbus *api, int id, const char *name, uint64_t msgid)
475 struct dbus_event *ev;
476 struct dbus_memo *memo;
478 /* retrieves the event */
479 ev = api_dbus_client_event_search(api, id, name);
481 ERROR("event %s not found", name);
485 /* retrieves the memo */
486 memo = api_dbus_client_memo_search(api, msgid);
488 ERROR("message not found");
492 /* subscribe the request to the event */
493 rc = afb_xreq_subscribe(memo->xreq, ev->event);
495 ERROR("can't subscribe: %m");
498 /* unsubscribes an event */
499 static void api_dbus_client_event_unsubscribe(struct api_dbus *api, int id, const char *name, uint64_t msgid)
502 struct dbus_event *ev;
503 struct dbus_memo *memo;
505 /* retrieves the event */
506 ev = api_dbus_client_event_search(api, id, name);
508 ERROR("event %s not found", name);
512 /* retrieves the memo */
513 memo = api_dbus_client_memo_search(api, msgid);
515 ERROR("message not found");
519 /* unsubscribe the request from the event */
520 rc = afb_xreq_unsubscribe(memo->xreq, ev->event);
522 ERROR("can't unsubscribe: %m");
525 /* receives calls for event */
526 static int api_dbus_client_on_manage_event(sd_bus_message *m, void *userdata, sd_bus_error *ret_error)
528 const char *eventname, *data;
532 struct api_dbus *api;
535 /* check if expected message */
537 if (0 != strcmp(api->name, sd_bus_message_get_interface(m)))
538 return 0; /* not the expected interface */
539 if (0 != strcmp("event", sd_bus_message_get_member(m)))
540 return 0; /* not the expected member */
541 if (sd_bus_message_get_expect_reply(m))
542 return 0; /* not the expected type of message */
544 /* reads the message */
545 rc = sd_bus_message_read(m, "yisst", &order, &eventid, &eventname, &data, &msgid);
547 ERROR("unreadable event");
551 /* what is the order ? */
552 switch ((char)order) {
553 case '+': /* creates the event */
554 api_dbus_client_event_create(api, eventid, eventname);
556 case '-': /* drops the event */
557 api_dbus_client_event_drop(api, eventid, eventname);
559 case '!': /* pushs the event */
560 api_dbus_client_event_push(api, eventid, eventname, data);
562 case 'S': /* subscribe event for a request */
563 api_dbus_client_event_subscribe(api, eventid, eventname, msgid);
565 case 'U': /* unsubscribe event for a request */
566 api_dbus_client_event_unsubscribe(api, eventid, eventname, msgid);
569 /* unexpected order */
570 ERROR("unexpected order '%c' received", (char)order);
576 static struct afb_api_itf dbus_api_itf = {
577 .call = api_dbus_client_call
580 /* adds a afb-dbus-service client api */
581 int afb_api_dbus_add_client(const char *path, struct afb_apiset *declare_set, struct afb_apiset *call_set)
584 struct api_dbus *api;
585 struct afb_api_item afb_api;
588 /* create the dbus client api */
589 api = make_api_dbus(path);
593 /* connect to broadcasted events */
594 rc = asprintf(&match, "type='signal',path='%s',interface='%s',member='broadcast'", api->path, api->name);
597 ERROR("out of memory");
600 rc = sd_bus_add_match(api->sdbus, &api->client.slot_broadcast, match, api_dbus_client_on_broadcast_event, api);
604 ERROR("can't add dbus match %s for %s", api->path, api->name);
608 /* connect to event management */
609 rc = sd_bus_add_object(api->sdbus, &api->client.slot_event, api->path, api_dbus_client_on_manage_event, api);
612 ERROR("can't add dbus object %s for %s", api->path, api->name);
616 /* record it as an API */
617 afb_api.closure = api;
618 afb_api.itf = &dbus_api_itf;
619 afb_api.group = NULL;
620 if (afb_apiset_add(declare_set, api->api, afb_api) < 0)
626 destroy_api_dbus(api);
631 /******************* event structures for server part **********************************/
633 static void afb_api_dbus_server_event_add(void *closure, const char *event, int eventid);
634 static void afb_api_dbus_server_event_remove(void *closure, const char *event, int eventid);
635 static void afb_api_dbus_server_event_push(void *closure, const char *event, int eventid, struct json_object *object);
636 static void afb_api_dbus_server_event_broadcast(void *closure, const char *event, int eventid, struct json_object *object);
638 /* the interface for events broadcasting */
639 static const struct afb_evt_itf evt_broadcast_itf = {
640 .broadcast = afb_api_dbus_server_event_broadcast,
643 /* the interface for events pushing */
644 static const struct afb_evt_itf evt_push_itf = {
645 .push = afb_api_dbus_server_event_push,
646 .add = afb_api_dbus_server_event_add,
647 .remove = afb_api_dbus_server_event_remove
650 /******************* origin description part for server *****************************/
654 /* link to next different origin */
657 /* the server dbus-api */
658 struct api_dbus *api;
660 /* count of references */
663 /* credentials of the origin */
664 struct afb_cred *cred;
670 /* get the credentials for the message */
671 static void init_origin_creds(struct origin *origin)
680 rc = sd_bus_get_name_creds(origin->api->sdbus, origin->name,
681 SD_BUS_CREDS_PID|SD_BUS_CREDS_UID|SD_BUS_CREDS_GID|SD_BUS_CREDS_SELINUX_CONTEXT,
686 afb_cred_unref(origin->cred);
687 sd_bus_creds_get_uid(c, &uid);
688 sd_bus_creds_get_gid(c, &gid);
689 sd_bus_creds_get_pid(c, &pid);
690 sd_bus_creds_get_selinux_context(c, &context);
691 origin->cred = afb_cred_create(uid, gid, pid, context);
692 sd_bus_creds_unref(c);
696 static struct origin *afb_api_dbus_server_origin_get(struct api_dbus *api, const char *sender)
698 struct origin *origin;
700 /* searchs for an existing origin */
701 origin = api->server.origins;
702 while (origin != NULL) {
703 if (0 == strcmp(origin->name, sender)) {
707 origin = origin->next;
710 /* not found, create it */
711 origin = malloc(strlen(sender) + sizeof *origin);
716 origin->refcount = 1;
717 strcpy(origin->name, sender);
718 init_origin_creds(origin);
719 origin->next = api->server.origins;
720 api->server.origins = origin;
725 static void afb_api_dbus_server_origin_unref(struct origin *origin)
727 if (!--origin->refcount) {
730 prv = &origin->api->server.origins;
731 while(*prv != origin)
734 afb_cred_unref(origin->cred);
741 /* link to next different origin */
742 struct origin *origin;
744 /* the listener of events */
745 struct afb_evt_listener *listener;
748 static void afb_api_dbus_server_listener_free(struct listener *listener)
750 afb_evt_listener_unref(listener->listener);
751 afb_api_dbus_server_origin_unref(listener->origin);
755 static struct listener *afb_api_dbus_server_listener_get(struct api_dbus *api, const char *sender, struct afb_session *session)
758 struct listener *listener;
759 struct origin *origin;
762 origin = afb_api_dbus_server_origin_get(api, sender);
766 /* retrieves the stored listener */
767 listener = afb_session_get_cookie(session, origin);
768 if (listener != NULL) {
770 afb_api_dbus_server_origin_unref(origin);
774 /* creates the listener */
775 listener = malloc(sizeof *listener);
776 if (listener == NULL)
779 listener->origin = origin;
780 listener->listener = afb_evt_listener_create(&evt_push_itf, origin);
781 if (listener->listener != NULL) {
782 rc = afb_session_set_cookie(session, origin, listener, (void*)afb_api_dbus_server_listener_free);
785 afb_evt_listener_unref(listener->listener);
789 afb_api_dbus_server_origin_unref(origin);
793 /******************* dbus request part for server *****************/
796 * Structure for a dbus request
799 struct afb_xreq xreq; /**< the xreq of the request */
800 sd_bus_message *message; /**< the incoming request message */
801 const char *request; /**< the readen request as string */
802 struct json_object *json; /**< the readen request as object */
803 struct listener *listener; /**< the listener for events */
806 /* decrement the reference count of the request and free/release it on falling to null */
807 static void dbus_req_destroy(struct afb_xreq *xreq)
809 struct dbus_req *dreq = CONTAINER_OF_XREQ(struct dbus_req, xreq);
811 afb_context_disconnect(&dreq->xreq.context);
812 json_object_put(dreq->json);
813 sd_bus_message_unref(dreq->message);
817 /* get the object of the request */
818 static struct json_object *dbus_req_json(struct afb_xreq *xreq)
820 struct dbus_req *dreq = CONTAINER_OF_XREQ(struct dbus_req, xreq);
825 void dbus_req_raw_reply(struct afb_xreq *xreq, struct json_object *obj, const char *error, const char *info)
827 struct dbus_req *dreq = CONTAINER_OF_XREQ(struct dbus_req, xreq);
830 rc = sd_bus_reply_method_return(dreq->message, "sss",
831 obj ? json_object_to_json_string_ext(obj, JSON_C_TO_STRING_PLAIN|JSON_C_TO_STRING_NOSLASHESCAPE) : "",
835 ERROR("sending the reply failed");
838 static void afb_api_dbus_server_event_send(struct origin *origin, char order, const char *event, int eventid, const char *data, uint64_t msgid);
840 static int dbus_req_subscribe(struct afb_xreq *xreq, struct afb_event_x2 *event)
842 struct dbus_req *dreq = CONTAINER_OF_XREQ(struct dbus_req, xreq);
846 rc = afb_evt_event_x2_add_watch(dreq->listener->listener, event);
847 sd_bus_message_get_cookie(dreq->message, &msgid);
848 afb_api_dbus_server_event_send(dreq->listener->origin, 'S', afb_evt_event_x2_fullname(event), afb_evt_event_x2_id(event), "", msgid);
852 static int dbus_req_unsubscribe(struct afb_xreq *xreq, struct afb_event_x2 *event)
854 struct dbus_req *dreq = CONTAINER_OF_XREQ(struct dbus_req, xreq);
858 sd_bus_message_get_cookie(dreq->message, &msgid);
859 afb_api_dbus_server_event_send(dreq->listener->origin, 'U', afb_evt_event_x2_fullname(event), afb_evt_event_x2_id(event), "", msgid);
860 rc = afb_evt_event_x2_remove_watch(dreq->listener->listener, event);
864 const struct afb_xreq_query_itf afb_api_dbus_xreq_itf = {
865 .json = dbus_req_json,
866 .reply = dbus_req_raw_reply,
867 .unref = dbus_req_destroy,
868 .subscribe = dbus_req_subscribe,
869 .unsubscribe = dbus_req_unsubscribe,
872 /******************* server part **********************************/
874 static void afb_api_dbus_server_event_send(struct origin *origin, char order, const char *event, int eventid, const char *data, uint64_t msgid)
877 struct api_dbus *api;
878 struct sd_bus_message *msg;
883 rc = sd_bus_message_new_method_call(api->sdbus, &msg, origin->name, api->path, api->name, "event");
887 rc = sd_bus_message_append(msg, "yisst", (uint8_t)order, (int32_t)eventid, event, data, msgid);
891 rc = sd_bus_send(api->sdbus, msg, NULL); /* NULL for cookie implies no expected reply */
896 ERROR("error while send event %c%s(%d) to %s", order, event, eventid, origin->name);
898 sd_bus_message_unref(msg);
901 static void afb_api_dbus_server_event_add(void *closure, const char *event, int eventid)
903 afb_api_dbus_server_event_send(closure, '+', event, eventid, "", 0);
906 static void afb_api_dbus_server_event_remove(void *closure, const char *event, int eventid)
908 afb_api_dbus_server_event_send(closure, '-', event, eventid, "", 0);
911 static void afb_api_dbus_server_event_push(void *closure, const char *event, int eventid, struct json_object *object)
913 const char *data = json_object_to_json_string_ext(object, JSON_C_TO_STRING_PLAIN|JSON_C_TO_STRING_NOSLASHESCAPE);
914 afb_api_dbus_server_event_send(closure, '!', event, eventid, data, 0);
915 json_object_put(object);
918 static void afb_api_dbus_server_event_broadcast(void *closure, const char *event, int eventid, struct json_object *object)
921 struct api_dbus *api;
924 rc = sd_bus_emit_signal(api->sdbus, api->path, api->name, "broadcast",
925 "ss", event, json_object_to_json_string_ext(object, JSON_C_TO_STRING_PLAIN|JSON_C_TO_STRING_NOSLASHESCAPE));
927 ERROR("error while broadcasting event %s", event);
928 json_object_put(object);
931 /* called when the object for the service is called */
932 static int api_dbus_server_on_object_called(sd_bus_message *message, void *userdata, sd_bus_error *ret_error)
938 struct dbus_req *dreq;
939 struct api_dbus *api = userdata;
941 struct afb_session *session;
942 struct listener *listener;
943 enum json_tokener_error jerr;
945 /* check the interface */
946 if (strcmp(sd_bus_message_get_interface(message), api->name) != 0)
950 method = sd_bus_message_get_member(message);
952 /* create the request */
953 dreq = calloc(1 , sizeof *dreq);
958 rc = sd_bus_message_read(message, "ssus", &dreq->request, &uuid, &flags, &creds);
960 sd_bus_reply_method_errorf(message, SD_BUS_ERROR_INVALID_SIGNATURE, "invalid signature");
964 /* connect to the context */
965 afb_xreq_init(&dreq->xreq, &afb_api_dbus_xreq_itf);
966 if (afb_context_connect(&dreq->xreq.context, uuid, NULL) < 0)
968 session = dreq->xreq.context.session;
970 /* get the listener */
971 listener = afb_api_dbus_server_listener_get(api, sd_bus_message_get_sender(message), session);
972 if (listener == NULL)
975 /* fulfill the request and emit it */
976 dreq->xreq.context.flags = flags;
977 dreq->xreq.cred = afb_cred_mixed_on_behalf_import(listener->origin->cred, uuid, creds && creds[0] ? creds : NULL);
978 dreq->message = sd_bus_message_ref(message);
979 dreq->json = json_tokener_parse_verbose(dreq->request, &jerr);
980 if (jerr != json_tokener_success) {
981 /* lazy error detection of json request. Is it to improve? */
982 dreq->json = json_object_new_string(dreq->request);
984 dreq->listener = listener;
985 dreq->xreq.request.called_api = api->api;
986 dreq->xreq.request.called_verb = method;
987 afb_xreq_process(&dreq->xreq, api->server.apiset);
991 sd_bus_reply_method_errorf(message, SD_BUS_ERROR_NO_MEMORY, "out of memory");
997 /* create the service */
998 int afb_api_dbus_add_server(const char *path, struct afb_apiset *declare_set, struct afb_apiset *call_set)
1001 struct api_dbus *api;
1003 /* get the dbus api object connected */
1004 api = make_api_dbus(path);
1008 /* request the service object name */
1009 rc = sd_bus_request_name(api->sdbus, api->name, 0);
1012 ERROR("can't register name %s", api->name);
1016 /* connect the service to the dbus object */
1017 rc = sd_bus_add_object(api->sdbus, &api->server.slot_call, api->path, api_dbus_server_on_object_called, api);
1020 ERROR("can't add dbus object %s for %s", api->path, api->name);
1023 INFO("afb service over dbus installed, name %s, path %s", api->name, api->path);
1025 api->server.listener = afb_evt_listener_create(&evt_broadcast_itf, api);
1026 api->server.apiset = afb_apiset_addref(call_set);
1029 sd_bus_release_name(api->sdbus, api->name);
1031 destroy_api_dbus(api);