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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 /* See feature_test_macros(7) */
#include <stdio.h>
#include "local-def.h"
#include "utils-jbus.h"
static const char _id_[] = "id";
static const char _runid_[] = "runid";
static char _runnables_[] = "runnables";
static char _detail_[] = "detail";
static char _start_[] = "start";
static char _terminate_[] = "terminate";
static char _stop_[] = "stop";
static char _continue_[] = "continue";
static char _runners_[] = "runners";
static char _state_[] = "state";
static char _install_[] = "install";
static char _uninstall_[] = "uninstall";
static const char _mode_[] = "mode";
static const char _local_[] = "local";
static const char _remote_[]= "remote";
static const char _auto_[] = "auto";
static const char _uri_[] = "uri";
static struct jbus *jbus;
static struct json_object *embed(AFB_request *request, const char *tag, struct json_object *obj)
{
struct json_object *result;
if (obj == NULL)
result = NULL;
else if (!tag) {
request->errcode = MHD_HTTP_OK;
result = obj;
}
else {
result = json_object_new_object();
if (result == NULL) {
/* can't embed */
result = obj;
request->errcode = MHD_HTTP_INTERNAL_SERVER_ERROR;
}
else {
/* TODO why is json-c not returning a status? */
json_object_object_add(result, tag, obj);
request->errcode = MHD_HTTP_OK;
}
}
return result;
}
static struct json_object *call(AFB_request *request, AFB_PostItem *item, const char *tag, struct json_object *(*fun)(AFB_request*,AFB_PostItem*))
{
return embed(request, tag, fun(request, item));
}
static struct json_object *call_void(AFB_request *request, AFB_PostItem *item)
{
struct json_object *obj = jbus_call_sj_sync(jbus, request->api, "true");
if (verbose)
fprintf(stderr, "(afm-main-plugin) call_void: true -> %s\n", obj ? json_object_to_json_string(obj) : "NULL");
request->errcode = obj ? MHD_HTTP_OK : MHD_HTTP_FAILED_DEPENDENCY;
return obj;
}
static struct json_object *call_appid(AFB_request *request, AFB_PostItem *item)
{
struct json_object *obj;
char *sid;
const char *id = getQueryValue(request, _id_);
if (id == NULL) {
request->errcode = MHD_HTTP_BAD_REQUEST;
return NULL;
}
if (0 >= asprintf(&sid, "\"%s\"", id)) {
request->errcode = MHD_HTTP_INTERNAL_SERVER_ERROR;
return NULL;
}
obj = jbus_call_sj_sync(jbus, request->api, sid);
if (verbose)
fprintf(stderr, "(afm-main-plugin) call_appid: %s -> %s\n", sid, obj ? json_object_to_json_string(obj) : "NULL");
free(sid);
request->errcode = obj ? MHD_HTTP_OK : MHD_HTTP_FAILED_DEPENDENCY;
return obj;
}
static struct json_object *call_runid(AFB_request *request, AFB_PostItem *item)
{
struct json_object *obj;
const char *id = getQueryValue(request, _runid_);
if (id == NULL) {
request->errcode = MHD_HTTP_BAD_REQUEST;
return NULL;
}
obj = jbus_call_sj_sync(jbus, request->api, id);
if (verbose)
fprintf(stderr, "(afm-main-plugin) call_runid: %s -> %s\n", id, obj ? json_object_to_json_string(obj) : "NULL");
request->errcode = obj ? MHD_HTTP_OK : MHD_HTTP_FAILED_DEPENDENCY;
return obj;
}
static struct json_object *call_void__runnables(AFB_request *request, AFB_PostItem *item)
{
return embed(request, _runnables_, call_void(request, item));
}
static struct json_object *call_start(AFB_request *request, AFB_PostItem *item)
{
struct json_object *resp;
const char *id, *mode;
char *query;
int rc;
/* get the id */
id = getQueryValue(request, _id_);
if (id == NULL) {
request->errcode = MHD_HTTP_BAD_REQUEST;
return NULL;
}
/* get the mode */
mode = getQueryValue(request, _mode_);
if (mode == NULL || !strcmp(mode, _auto_)) {
mode = request->config->mode == AFB_MODE_REMOTE ? _remote_ : _local_;
}
/* create the query */
rc = asprintf(&query, "{\"id\":\"%s\",\"mode\":\"%s\"}", id, mode);
if (rc < 0) {
request->errcode = MHD_HTTP_INTERNAL_SERVER_ERROR;
return NULL;
}
/* calls the service */
resp = jbus_call_sj_sync(jbus, _start_, query);
if (verbose)
fprintf(stderr, "(afm-main-plugin) call_start: %s -> %s\n", query, resp ? json_object_to_json_string(resp) : "NULL");
free(query);
/* embed if needed */
if (json_object_get_type(resp) == json_type_string)
resp = embed(request, _runid_, resp);
request->errcode = resp ? MHD_HTTP_OK : MHD_HTTP_FAILED_DEPENDENCY;
return resp;
}
static struct json_object *call_void__runners(AFB_request *request, AFB_PostItem *item)
{
return embed(request, _runners_, call_void(request, item));
}
static struct json_object *call_file__appid(AFB_request *request, AFB_PostItem *item)
{
if (item == NULL) {
const char *filename = getPostPath(request);
if (filename != NULL) {
struct json_object *obj;
char *query;
request->jresp = NULL;
if (0 >= asprintf(&query, "\"%s\"", filename))
request->errcode = MHD_HTTP_INTERNAL_SERVER_ERROR;
else {
obj = jbus_call_sj_sync(jbus, request->api, query);
if (verbose)
fprintf(stderr, "(afm-main-plugin) call_file_appid: %s -> %s\n", query, obj ? json_object_to_json_string(obj) : "NULL");
free(query);
if (obj)
request->jresp = embed(request, _id_, obj);
else
request->errcode = MHD_HTTP_FAILED_DEPENDENCY;
}
unlink(filename);
}
}
return getPostFile (request, item, "/tmp/upload");
}
static AFB_restapi plug_apis[] =
{
{_runnables_, AFB_SESSION_CHECK, (AFB_apiCB)call_void__runnables, "Get list of runnable applications"},
{_detail_ , AFB_SESSION_CHECK, (AFB_apiCB)call_appid, "Get the details for one application"},
{_start_ , AFB_SESSION_CHECK, (AFB_apiCB)call_start, "Start an application"},
{_terminate_, AFB_SESSION_CHECK, (AFB_apiCB)call_runid, "Terminate a running application"},
{_stop_ , AFB_SESSION_CHECK, (AFB_apiCB)call_runid, "Stop (pause) a running application"},
{_continue_ , AFB_SESSION_CHECK, (AFB_apiCB)call_runid, "Continue (resume) a stopped application"},
{_runners_ , AFB_SESSION_CHECK, (AFB_apiCB)call_void__runners, "Get the list of running applications"},
{_state_ , AFB_SESSION_CHECK, (AFB_apiCB)call_runid, "Get the state of a running application"},
{_install_ , AFB_SESSION_CHECK, (AFB_apiCB)call_file__appid, "Install an application using a widget file"},
{_uninstall_, AFB_SESSION_CHECK, (AFB_apiCB)call_appid, "Uninstall an application"},
{NULL}
};
static AFB_plugin plug_desc = {
.type = AFB_PLUGIN_JSON,
.info = "Application Framework Master Service",
.prefix = "afm-main",
.apis = plug_apis
};
AFB_plugin *pluginRegister()
{
jbus = create_jbus(1, "/org/AGL/afm/user");
if (jbus)
return &plug_desc;
fprintf(stderr, "ERROR: %s:%d: can't connect to DBUS session\n", __FILE__, __LINE__);
return NULL;
}
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