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Diffstat (limited to 'plugins/samples/HelloWorld.c')
-rw-r--r-- | plugins/samples/HelloWorld.c | 279 |
1 files changed, 0 insertions, 279 deletions
diff --git a/plugins/samples/HelloWorld.c b/plugins/samples/HelloWorld.c deleted file mode 100644 index b6f49b78..00000000 --- a/plugins/samples/HelloWorld.c +++ /dev/null @@ -1,279 +0,0 @@ -/* - * Copyright (C) 2015, 2016 "IoT.bzh" - * Author "Fulup Ar Foll" - * - * 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 <json-c/json.h> - -#include <afb/afb-plugin.h> - -const struct AFB_interface *interface; - -struct event -{ - struct event *next; - struct afb_event event; - 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_event_drop(e->event); - free(e); - return 0; -} - -/* creates the event of tag */ -static int event_add(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->event = afb_daemon_make_event(interface->daemon, name); - if (!e->event.closure) { free(e); return -1; } - - /* link */ - e->next = events; - events = e; - return 0; -} - -static int event_subscribe(struct afb_req request, const char *tag) -{ - struct event *e; - e = event_get(tag); - return e ? afb_req_subscribe(request, e->event) : -1; -} - -static int event_unsubscribe(struct afb_req request, const char *tag) -{ - struct event *e; - e = event_get(tag); - return e ? afb_req_unsubscribe(request, e->event) : -1; -} - -static int event_push(struct json_object *args, const char *tag) -{ - struct event *e; - e = event_get(tag); - return e ? afb_event_push(e->event, json_object_get(args)) : -1; -} - -// Sample Generic Ping Debug API -static void ping(struct afb_req request, json_object *jresp, const char *tag) -{ - static int pingcount = 0; - json_object *query = afb_req_json(request); - afb_req_success_f(request, jresp, "Ping Binder Daemon tag=%s count=%d query=%s", tag, ++pingcount, json_object_to_json_string(query)); -} - -static void pingSample (struct afb_req request) -{ - ping(request, json_object_new_string ("Some String"), "pingSample"); -} - -static void pingFail (struct afb_req request) -{ - afb_req_fail(request, "failed", "Ping Binder Daemon fails"); -} - -static void pingNull (struct afb_req request) -{ - ping(request, NULL, "pingNull"); -} - -static void pingBug (struct afb_req request) -{ - ping((struct afb_req){NULL,NULL,NULL}, NULL, "pingBug"); -} - -static void pingEvent(struct afb_req request) -{ - json_object *query = afb_req_json(request); - afb_daemon_broadcast_event(interface->daemon, "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 (struct afb_req 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 *prequest, int iserror, json_object *object) -{ - struct afb_req request = afb_req_unstore(prequest); - if (iserror) - afb_req_fail(request, "failed", json_object_to_json_string(object)); - else - afb_req_success(request, object, NULL); - afb_req_unref(request); -} - -static void subcall (struct afb_req request) -{ - const char *api = afb_req_value(request, "api"); - const char *verb = afb_req_value(request, "verb"); - const char *args = afb_req_value(request, "args"); - json_object *object = api && verb && args ? json_tokener_parse(args) : NULL; - - if (object == NULL) - afb_req_fail(request, "failed", "bad arguments"); - else - afb_req_subcall(request, api, verb, object, subcallcb, afb_req_store(request)); -} - -static void eventadd (struct afb_req request) -{ - const char *tag = afb_req_value(request, "tag"); - const char *name = afb_req_value(request, "name"); - - if (tag == NULL || name == NULL) - afb_req_fail(request, "failed", "bad arguments"); - else if (0 != event_add(tag, name)) - afb_req_fail(request, "failed", "creation error"); - else - afb_req_success(request, NULL, NULL); -} - -static void eventdel (struct afb_req request) -{ - const char *tag = afb_req_value(request, "tag"); - - if (tag == NULL) - afb_req_fail(request, "failed", "bad arguments"); - else if (0 != event_del(tag)) - afb_req_fail(request, "failed", "deletion error"); - else - afb_req_success(request, NULL, NULL); -} - -static void eventsub (struct afb_req request) -{ - const char *tag = afb_req_value(request, "tag"); - - if (tag == NULL) - afb_req_fail(request, "failed", "bad arguments"); - else if (0 != event_subscribe(request, tag)) - afb_req_fail(request, "failed", "subscription error"); - else - afb_req_success(request, NULL, NULL); -} - -static void eventunsub (struct afb_req request) -{ - const char *tag = afb_req_value(request, "tag"); - - if (tag == NULL) - afb_req_fail(request, "failed", "bad arguments"); - else if (0 != event_unsubscribe(request, tag)) - afb_req_fail(request, "failed", "unsubscription error"); - else - afb_req_success(request, NULL, NULL); -} - -static void eventpush (struct afb_req request) -{ - const char *tag = afb_req_value(request, "tag"); - const char *data = afb_req_value(request, "data"); - json_object *object = data ? json_tokener_parse(data) : NULL; - - if (tag == NULL) - afb_req_fail(request, "failed", "bad arguments"); - else if (0 > event_push(object, tag)) - afb_req_fail(request, "failed", "push error"); - else - afb_req_success(request, NULL, NULL); -} - -// 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 AFB_verb_desc_v1 verbs[]= { - {"ping" , AFB_SESSION_NONE, pingSample , "Ping Application Framework"}, - {"pingfail" , AFB_SESSION_NONE, pingFail , "Fails"}, - {"pingnull" , AFB_SESSION_NONE, pingNull , "Return NULL"}, - {"pingbug" , AFB_SESSION_NONE, pingBug , "Do a Memory Violation"}, - {"pingJson" , AFB_SESSION_NONE, pingJson , "Return a JSON object"}, - {"pingevent", AFB_SESSION_NONE, pingEvent , "Send an event"}, - {"subcall", AFB_SESSION_NONE, subcall , "Call api/verb(args)"}, - {"eventadd", AFB_SESSION_NONE, eventadd , "adds the event of 'name' for the 'tag'"}, - {"eventdel", AFB_SESSION_NONE, eventdel , "deletes the event of 'tag'"}, - {"eventsub", AFB_SESSION_NONE, eventsub , "subscribes to the event of 'tag'"}, - {"eventunsub",AFB_SESSION_NONE, eventunsub , "unsubscribes to the event of 'tag'"}, - {"eventpush", AFB_SESSION_NONE, eventpush , "pushs the event of 'tag' with the 'data'"}, - {NULL} -}; - -static const struct AFB_plugin plugin_desc = { - .type = AFB_PLUGIN_VERSION_1, - .v1 = { - .info = "Minimal Hello World Sample", - .prefix = "hello", - .verbs = verbs - } -}; - -const struct AFB_plugin *pluginAfbV1Register (const struct AFB_interface *itf) -{ - interface = itf; - return &plugin_desc; -} |