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/*
* 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;
// 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));
}
// 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)"},
{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;
}
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