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/*
* Copyright (C) 2015 "IoT.bzh"
* Author "Fulup Ar Foll"
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <json.h>
#include "afb-plugin.h"
#include "afb-req-itf.h"
typedef struct queryHandleT {
char *msg;
size_t idx;
size_t len;
} queryHandleT;
static int getQueryCB (queryHandleT *query, struct afb_arg arg) {
if (query->idx >= query->len)
return 0;
query->idx += (unsigned)snprintf (&query->msg[query->idx], query->len-query->idx, " %s: %s\'%s\',", arg.name, arg.is_file?"FILE=":"", arg.value);
return 1; /* continue to iterate */
}
// Helper to retrieve argument from connection
static size_t getQueryAll(struct afb_req request, char *buffer, size_t len) {
queryHandleT query;
buffer[0] = '\0'; // start with an empty string
query.msg = buffer;
query.len = len;
query.idx = 0;
afb_req_iterate(request, (void*)getQueryCB, &query);
buffer[len-1] = 0;
return query.idx >= len ? len - 1 : query.idx;
}
static void ping (struct afb_req request, json_object *jresp)
{
static int pingcount = 0;
char query [512];
size_t len;
// request all query key/value
len = getQueryAll (request, query, sizeof(query));
if (len == 0) strcpy (query,"NoSearchQueryList");
// return response to caller
// response = jsonNewMessage(AFB_SUCCESS, "Ping Binder Daemon %d query={%s}", pingcount++, query);
afb_req_success_f(request, jresp, "Ping Binder Daemon %d query={%s}", pingcount++, query);
fprintf(stderr, "%d: \n", pingcount);
}
static void pingSample (struct afb_req request)
{
ping(request, json_object_new_string ("Some String"));
}
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);
}
static void pingBug (struct afb_req request)
{
pingNull((struct afb_req){NULL,NULL,NULL});
}
// 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);
}
// 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_restapi pluginApis[]= {
{"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"},
{NULL}
};
static const struct AFB_plugin plugin_desc = {
.type = AFB_PLUGIN_JSON,
.info = "Minimal Hello World Sample",
.prefix = "hello",
.apis = pluginApis
};
const struct AFB_plugin *pluginRegister (const struct AFB_interface *itf)
{
return &plugin_desc;
}
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