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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 <json.h>
#include "afb-plugin.h"
#include "afb-req-itf.h"
// Dummy sample of Client Application Context
typedef struct {
int something;
void *whateveryouwant;
} MyClientApplicationHandle;
// Request Creation of new context if it does not exist
static void clientContextCreate (struct afb_req request)
{
json_object *jresp;
// add an application specific client context to session
request.context = malloc (sizeof (MyClientApplicationHandle));
// Send response to UI
jresp = json_object_new_object();
json_object_object_add(jresp, "token", json_object_new_string ("A New Token and Session Context Was Created"));
afb_req_success(request, jresp, NULL);
}
// Before entering here token will be check and renew
static void clientContextRefresh (struct afb_req request) {
json_object *jresp;
jresp = json_object_new_object();
json_object_object_add(jresp, "token", json_object_new_string ("Token was refreshed"));
afb_req_success(request, jresp, NULL);
}
// Session token will we verified before entering here
static void clientContextCheck (struct afb_req request) {
json_object *jresp = json_object_new_object();
json_object_object_add(jresp, "isvalid", json_object_new_boolean (TRUE));
afb_req_success(request, jresp, NULL);
}
// Close and Free context
static void clientContextReset (struct afb_req request) {
json_object *jresp;
/* after this call token will be reset
* - no further access to API will be possible
* - every context from any used plugin will be freed
*/
jresp = json_object_new_object();
json_object_object_add(jresp, "info", json_object_new_string ("Token and all resources are released"));
// WARNING: if you free context resource manually here do not forget to set *request.context=NULL;
afb_req_success(request, jresp, NULL);
}
// Close and Free context
static void clientGetPing (struct afb_req request) {
static int count=0;
json_object *jresp;
jresp = json_object_new_object();
json_object_object_add(jresp, "count", json_object_new_int (count ++));
afb_req_success(request, jresp, NULL);
}
// This function is call when Client Session Context is removed
// Note: when freeCtxCB==NULL standard free/malloc is called
static void clientContextFree(void *context) {
fprintf (stderr,"Plugin[token] Closing Session\n");
free (context);
}
static const struct AFB_restapi pluginApis[]= {
{"ping" , AFB_SESSION_NONE , clientGetPing ,"Ping Rest Test Service"},
{"create" , AFB_SESSION_CREATE, clientContextCreate ,"Request Client Context Creation"},
{"refresh" , AFB_SESSION_RENEW , clientContextRefresh,"Refresh Client Context Token"},
{"check" , AFB_SESSION_CHECK , clientContextCheck ,"Check Client Context Token"},
{"reset" , AFB_SESSION_CLOSE , clientContextReset ,"Close Client Context and Free resources"},
{NULL}
};
static const struct AFB_plugin plugin_desc = {
.type = AFB_PLUGIN_JSON,
.info = "Application Framework Binder Service",
.prefix = "token",
.apis = pluginApis,
.freeCtxCB = clientContextFree
};
const struct AFB_plugin *pluginRegister (const struct AFB_interface *itf)
{
return &plugin_desc;
}
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