diff options
Diffstat (limited to 'bindings/samples/ave.c')
| -rw-r--r-- | bindings/samples/ave.c | 493 |
1 files changed, 0 insertions, 493 deletions
diff --git a/bindings/samples/ave.c b/bindings/samples/ave.c deleted file mode 100644 index ce01c6dc..00000000 --- a/bindings/samples/ave.c +++ /dev/null @@ -1,493 +0,0 @@ -/* - * Copyright (C) 2015-2018 "IoT.bzh" - * Author José Bollo <jose.bollo@iot.bzh> - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#define _GNU_SOURCE -#include <stdio.h> -#include <string.h> -#include <pthread.h> - -#include <json-c/json.h> - -#define AFB_BINDING_WANT_DYNAPI -#define AFB_BINDING_VERSION 0 -#include <afb/afb-binding.h> - -static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; - -struct event -{ - struct event *next; - afb_eventid *eventid; - char tag[1]; -}; - -static struct event *events = 0; - -/* searchs the event of tag */ -static struct event *event_get(const char *tag) -{ - struct event *e = events; - while(e && strcmp(e->tag, tag)) - e = e->next; - return e; -} - -/* deletes the event of tag */ -static int event_del(const char *tag) -{ - struct event *e, **p; - - /* check exists */ - e = event_get(tag); - if (!e) return -1; - - /* unlink */ - p = &events; - while(*p != e) p = &(*p)->next; - *p = e->next; - - /* destroys */ - afb_eventid_unref(e->eventid); - free(e); - return 0; -} - -/* creates the event of tag */ -static int event_add(afb_dynapi *dynapi, const char *tag, const char *name) -{ - struct event *e; - - /* check valid tag */ - e = event_get(tag); - if (e) return -1; - - /* creation */ - e = malloc(strlen(tag) + sizeof *e); - if (!e) return -1; - strcpy(e->tag, tag); - - /* make the event */ - e->eventid = afb_dynapi_make_eventid(dynapi, name); - if (!e->eventid) { free(e); return -1; } - - /* link */ - e->next = events; - events = e; - return 0; -} - -static int event_subscribe(afb_request *request, const char *tag) -{ - struct event *e; - e = event_get(tag); - return e ? afb_request_subscribe(request, e->eventid) : -1; -} - -static int event_unsubscribe(afb_request *request, const char *tag) -{ - struct event *e; - e = event_get(tag); - return e ? afb_request_unsubscribe(request, e->eventid) : -1; -} - -static int event_push(struct json_object *args, const char *tag) -{ - struct event *e; - e = event_get(tag); - return e ? afb_eventid_push(e->eventid, json_object_get(args)) : -1; -} - -static int event_broadcast(struct json_object *args, const char *tag) -{ - struct event *e; - e = event_get(tag); - return e ? afb_eventid_broadcast(e->eventid, json_object_get(args)) : -1; -} - -// Sample Generic Ping Debug API -static void ping(afb_request *request, json_object *jresp, const char *tag) -{ - static int pingcount = 0; - json_object *query = afb_request_json(request); - afb_request_success_f(request, jresp, "Ping Binder Daemon tag=%s count=%d query=%s", tag, ++pingcount, json_object_to_json_string(query)); -} - -static void pingSample (afb_request *request) -{ - ping(request, json_object_new_string ("Some String"), "pingSample"); -} - -static void pingFail (afb_request *request) -{ - afb_request_fail(request, "failed", "Ping Binder Daemon fails"); -} - -static void pingNull (afb_request *request) -{ - ping(request, NULL, "pingNull"); -} - -static void pingBug (afb_request *request) -{ - ping(NULL, NULL, "pingBug"); -} - -static void pingEvent(afb_request *request) -{ - json_object *query = afb_request_json(request); - afb_dynapi_broadcast_event(request->api, "event", json_object_get(query)); - ping(request, json_object_get(query), "event"); -} - - -// For samples https://linuxprograms.wordpress.com/2010/05/20/json-c-libjson-tutorial/ -static void pingJson (afb_request *request) { - json_object *jresp, *embed; - - jresp = json_object_new_object(); - json_object_object_add(jresp, "myString", json_object_new_string ("Some String")); - json_object_object_add(jresp, "myInt", json_object_new_int (1234)); - - embed = json_object_new_object(); - json_object_object_add(embed, "subObjString", json_object_new_string ("Some String")); - json_object_object_add(embed, "subObjInt", json_object_new_int (5678)); - - json_object_object_add(jresp,"eobj", embed); - - ping(request, jresp, "pingJson"); -} - -static void subcallcb (void *closure, int status, json_object *object, afb_request *request) -{ - if (status < 0) - afb_request_fail(request, "failed", json_object_to_json_string(object)); - else - afb_request_success(request, json_object_get(object), NULL); -} - -static void subcall (afb_request *request) -{ - const char *api = afb_request_value(request, "api"); - const char *verb = afb_request_value(request, "verb"); - const char *args = afb_request_value(request, "args"); - json_object *object = api && verb && args ? json_tokener_parse(args) : NULL; - - if (object == NULL) - afb_request_fail(request, "failed", "bad arguments"); - else - afb_request_subcall(request, api, verb, object, subcallcb, NULL); -} - -static void subcallsync (afb_request *request) -{ - int rc; - const char *api = afb_request_value(request, "api"); - const char *verb = afb_request_value(request, "verb"); - const char *args = afb_request_value(request, "args"); - json_object *result, *object = api && verb && args ? json_tokener_parse(args) : NULL; - - if (object == NULL) - afb_request_fail(request, "failed", "bad arguments"); - else { - rc = afb_request_subcall_sync(request, api, verb, object, &result); - if (rc >= 0) - afb_request_success(request, result, NULL); - else { - afb_request_fail(request, "failed", json_object_to_json_string(result)); - json_object_put(result); - } - } -} - -static void eventadd (afb_request *request) -{ - const char *tag = afb_request_value(request, "tag"); - const char *name = afb_request_value(request, "name"); - - pthread_mutex_lock(&mutex); - if (tag == NULL || name == NULL) - afb_request_fail(request, "failed", "bad arguments"); - else if (0 != event_add(request->api, tag, name)) - afb_request_fail(request, "failed", "creation error"); - else - afb_request_success(request, NULL, NULL); - pthread_mutex_unlock(&mutex); -} - -static void eventdel (afb_request *request) -{ - const char *tag = afb_request_value(request, "tag"); - - pthread_mutex_lock(&mutex); - if (tag == NULL) - afb_request_fail(request, "failed", "bad arguments"); - else if (0 != event_del(tag)) - afb_request_fail(request, "failed", "deletion error"); - else - afb_request_success(request, NULL, NULL); - pthread_mutex_unlock(&mutex); -} - -static void eventsub (afb_request *request) -{ - const char *tag = afb_request_value(request, "tag"); - - pthread_mutex_lock(&mutex); - if (tag == NULL) - afb_request_fail(request, "failed", "bad arguments"); - else if (0 != event_subscribe(request, tag)) - afb_request_fail(request, "failed", "subscription error"); - else - afb_request_success(request, NULL, NULL); - pthread_mutex_unlock(&mutex); -} - -static void eventunsub (afb_request *request) -{ - const char *tag = afb_request_value(request, "tag"); - - pthread_mutex_lock(&mutex); - if (tag == NULL) - afb_request_fail(request, "failed", "bad arguments"); - else if (0 != event_unsubscribe(request, tag)) - afb_request_fail(request, "failed", "unsubscription error"); - else - afb_request_success(request, NULL, NULL); - pthread_mutex_unlock(&mutex); -} - -static void eventpush (afb_request *request) -{ - const char *tag = afb_request_value(request, "tag"); - const char *data = afb_request_value(request, "data"); - json_object *object = data ? json_tokener_parse(data) : NULL; - - pthread_mutex_lock(&mutex); - if (tag == NULL) - afb_request_fail(request, "failed", "bad arguments"); - else if (0 > event_push(object, tag)) - afb_request_fail(request, "failed", "push error"); - else - afb_request_success(request, NULL, NULL); - pthread_mutex_unlock(&mutex); - json_object_put(object); -} - -static void callcb (void *prequest, int status, json_object *object, afb_dynapi *dynapi) -{ - afb_request *request = prequest; - if (status < 0) - afb_request_fail(request, "failed", json_object_to_json_string(object)); - else - afb_request_success(request, json_object_get(object), NULL); - afb_request_unref(request); -} - -static void call (afb_request *request) -{ - const char *api = afb_request_value(request, "api"); - const char *verb = afb_request_value(request, "verb"); - const char *args = afb_request_value(request, "args"); - json_object *object = api && verb && args ? json_tokener_parse(args) : NULL; - - if (object == NULL) - afb_request_fail(request, "failed", "bad arguments"); - else - afb_dynapi_call(request->api, api, verb, object, callcb, afb_request_addref(request)); -} - -static void callsync (afb_request *request) -{ - int rc; - const char *api = afb_request_value(request, "api"); - const char *verb = afb_request_value(request, "verb"); - const char *args = afb_request_value(request, "args"); - json_object *result, *object = api && verb && args ? json_tokener_parse(args) : NULL; - - if (object == NULL) - afb_request_fail(request, "failed", "bad arguments"); - else { - rc = afb_dynapi_call_sync(request->api, api, verb, object, &result); - if (rc >= 0) - afb_request_success(request, result, NULL); - else { - afb_request_fail(request, "failed", json_object_to_json_string(result)); - json_object_put(result); - } - } -} - -static void verbose (afb_request *request) -{ - int level = 5; - json_object *query = afb_request_json(request), *l; - - if (json_object_is_type(query,json_type_int)) - level = json_object_get_int(query); - else if (json_object_object_get_ex(query, "level", &l) && json_object_is_type(l, json_type_int)) - level = json_object_get_int(l); - - if (!json_object_object_get_ex(query,"message",&l)) - l = query; - - AFB_REQUEST_VERBOSE(request, level, "verbose called for %s", json_object_get_string(l)); - afb_request_success(request, NULL, NULL); -} - -static void exitnow (afb_request *request) -{ - int code = 0; - json_object *query = afb_request_json(request), *l; - - if (json_object_is_type(query,json_type_int)) - code = json_object_get_int(query); - else if (json_object_object_get_ex(query, "code", &l) && json_object_is_type(l, json_type_int)) - code = json_object_get_int(l); - - if (!json_object_object_get_ex(query,"reason",&l)) - l = NULL; - - AFB_REQUEST_NOTICE(request, "in phase of exiting with code %d, reason: %s", code, l ? json_object_get_string(l) : "unknown"); - afb_request_success(request, NULL, NULL); - exit(code); -} - -static void broadcast(afb_request *request) -{ - const char *tag = afb_request_value(request, "tag"); - const char *name = afb_request_value(request, "name"); - const char *data = afb_request_value(request, "data"); - json_object *object = data ? json_tokener_parse(data) : NULL; - - if (tag != NULL) { - pthread_mutex_lock(&mutex); - if (0 > event_broadcast(object, tag)) - afb_request_fail(request, "failed", "broadcast error"); - else - afb_request_success(request, NULL, NULL); - pthread_mutex_unlock(&mutex); - } else if (name != NULL) { - if (0 > afb_dynapi_broadcast_event(request->api, name, object)) - afb_request_fail(request, "failed", "broadcast error"); - else - afb_request_success(request, NULL, NULL); - } else { - afb_request_fail(request, "failed", "bad arguments"); - } - json_object_put(object); -} - -static void hasperm (afb_request *request) -{ - const char *perm = afb_request_value(request, "perm"); - if (afb_request_has_permission(request, perm)) - afb_request_success_f(request, NULL, "permission %s granted", perm?:"(null)"); - else - afb_request_fail_f(request, "not-granted", "permission %s NOT granted", perm?:"(null)"); -} - -static void appid (afb_request *request) -{ - char *aid = afb_request_get_application_id(request); - afb_request_success_f(request, aid ? json_object_new_string(aid) : NULL, "application is %s", aid?:"?"); - free(aid); -} - -static int init(afb_dynapi *dynapi) -{ - AFB_DYNAPI_NOTICE(dynapi, "dynamic binding AVE(%s) starting", (const char*)dynapi->userdata); - return 0; -} - -static void onevent(afb_dynapi *dynapi, const char *event, struct json_object *object) -{ - AFB_DYNAPI_NOTICE(dynapi, "received event %s(%s) by AVE(%s)", - event, json_object_to_json_string(object), - (const char*)afb_dynapi_get_userdata(dynapi)); -} - -// NOTE: this sample does not use session to keep test a basic as possible -// in real application most APIs should be protected with AFB_SESSION_CHECK -static const struct { - const char *verb; - void (*callback)(afb_request*); } verbs[] = -{ - { .verb="ping", .callback=pingSample }, - { .verb="pingfail", .callback=pingFail }, - { .verb="pingnull", .callback=pingNull }, - { .verb="pingbug", .callback=pingBug }, - { .verb="pingJson", .callback=pingJson }, - { .verb="pingevent", .callback=pingEvent }, - { .verb="subcall", .callback=subcall }, - { .verb="subcallsync", .callback=subcallsync }, - { .verb="eventadd", .callback=eventadd }, - { .verb="eventdel", .callback=eventdel }, - { .verb="eventsub", .callback=eventsub }, - { .verb="eventunsub", .callback=eventunsub }, - { .verb="eventpush", .callback=eventpush }, - { .verb="call", .callback=call }, - { .verb="callsync", .callback=callsync }, - { .verb="verbose", .callback=verbose }, - { .verb="broadcast", .callback=broadcast }, - { .verb="hasperm", .callback=hasperm }, - { .verb="appid", .callback=appid }, - { .verb="exit", .callback=exitnow }, - { .verb=NULL} -}; - -static void pingoo(struct afb_req_x1 req) -{ - json_object *args = afb_req_x1_json(req); - afb_req_x1_reply_f(req, json_object_get(args), NULL, "You reached pingoo \\o/ nice args: %s", json_object_to_json_string(args)); -} - -static const struct afb_verb_v2 verbsv2[]= { - { .verb="pingoo", .callback=pingoo }, - { .verb="ping", .callback=pingoo }, - { .verb=NULL} -}; - -static const char *apis[] = { "ave", "hi", "salut", NULL }; - -static int build_api(void *closure, afb_dynapi *dynapi) -{ - int i, rc; - - afb_dynapi_set_userdata(dynapi, closure); - AFB_DYNAPI_NOTICE(dynapi, "dynamic binding AVE(%s) comes to live", (const char*)afb_dynapi_get_userdata(dynapi)); - afb_dynapi_on_init(dynapi, init); - afb_dynapi_on_event(dynapi, onevent); - - rc = afb_dynapi_set_verbs_v2(dynapi, verbsv2); - for (i = rc = 0; verbs[i].verb && rc >= 0 ; i++) { - rc = afb_dynapi_add_verb(dynapi, verbs[i].verb, NULL, verbs[i].callback, (void*)(intptr_t)i, NULL, 0); - } - afb_dynapi_seal(dynapi); - return rc; -} - -int afbBindingVdyn(afb_dynapi *dynapi) -{ - int i, rc; - - for (i = 0; apis[i] ; i++) { - rc = afb_dynapi_new_api(dynapi, apis[i], NULL, 0, build_api, (void*)apis[i]); - if (rc < 0) - AFB_DYNAPI_ERROR(dynapi, "can't create API %s", apis[i]); - } - return 0; -} - |