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/*
* Copyright (c) 2018 TOYOTA MOTOR CORPORATION
*
* 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.
*/
#include <unistd.h>
#include <sys/types.h>
#include "appfwhandler.h"
#include "hmi-debug.h"
AppFwHandler* AppFwHandler::myself = nullptr;
// called when pws hangsup
static void _on_pws_hangup(void *closure)
{
if(AppFwHandler::myself)
AppFwHandler::myself->on_pws_hangup();
}
static void _on_pws_reply(void *closure, void *request, struct json_object *obj, const char *error, const char *info)
{
HMI_DEBUG("AppFwHandler", "%s called,error=[%s], info=[%s], obj=[%s]", __FUNCTION__, error, info, json_object_to_json_string(obj));
if(json_object_is_type(obj, json_type_object)) {
struct json_object *obj1, *obj2, *obj3;
json_object_object_get_ex(obj, "icon", &obj1);
json_object_object_get_ex(obj, "name", &obj2);
json_object_object_get_ex(obj, "id", &obj3);
if(json_object_is_type(obj3, json_type_null))
return;
QString icon = json_object_get_string(obj1);
QString name = json_object_get_string(obj2);
QString id = json_object_get_string(obj3);
QStringList info;
info << icon << name << id;
emit AppFwHandler::myself->applistupdate(info);
}
}
static void _on_pws_event_broadcast(void *closure, const char *event_name, struct json_object *data)
{
HMI_DEBUG("AppFwHandler", "%s called,event=%s, [%s]", __FUNCTION__, event_name, json_object_to_json_string(data));
QStringList list = QString(event_name).split('/');
if(list[0] == "afm-main" && list[1] == "application-list-changed") {
struct json_object *obj1, *obj2;
json_object_object_get_ex(data, "operation", &obj1);
json_object_object_get_ex(data, "data", &obj2);
QString oper = json_object_get_string(obj1);
QString id = json_object_get_string(obj2);
if(oper == "uninstall") {
QStringList info;
// icon, name, id
info << "" << "" << id;
emit AppFwHandler::myself->applistupdate(info);
}
else if (oper == "install") {
// call state
AppFwHandler::myself->detail(id);
}
else {
HMI_DEBUG("AppFwHandler","data error");
}
}
}
// the callback interface for pws
static struct afb_proto_ws_client_itf pws_itf = {
.on_reply = _on_pws_reply,
.on_event_create = nullptr,
.on_event_remove = nullptr,
.on_event_subscribe = nullptr,
.on_event_unsubscribe = nullptr,
.on_event_push = nullptr,
.on_event_broadcast = _on_pws_event_broadcast,
};
AppFwHandler::AppFwHandler(const char* appname, QObject *parent) : QObject(parent)
{
myself = this;
int uid = getuid();
QString _uid;
if(uid == 0)
_uid = QString('0');
else
_uid = QString(uid);
m_sessionid = _uid + QString(appname);
m_uri = "unix:/run/user/" + _uid + "/apis/ws/afm-main";
HMI_NOTICE("AppFwHandler","m_uri=%s, m_sessionid=%s", m_uri.toStdString().c_str(), m_sessionid.toStdString().c_str());
}
int AppFwHandler::init(void)
{
// get default loop
int rc = sd_event_default(&m_evloop);
if(rc < 0)
{
HMI_ERROR("AppFwHandler", "can't create event loop");
return 1;
}
// connect to framework
if (!try_connect_pws()) {
HMI_ERROR("connection to %s failed: %m\n", m_uri.toStdString().c_str());
return 1;
}
// runnables();
return 0;
}
int AppFwHandler::runnables(void)
{
int ret = 1;
if(call(__FUNCTION__, "{\"info\":\"test my guess\"}") < 0)
ret = 0;
return ret;
}
int AppFwHandler::detail(QString id)
{
int ret = 1;
HMI_DEBUG("AppFwHandler", "detail id is %s\n", id.toStdString().c_str());
if(call(__FUNCTION__, id.toStdString().c_str()) < 0)
ret = 0;
return ret;
}
int AppFwHandler::try_connect_pws(void)
{
m_pws = afb_ws_client_connect_api(m_evloop, m_uri.toStdString().c_str(), &pws_itf, NULL);
if (m_pws == nullptr) {
HMI_ERROR("AppFwHandler", "connection to %s failed!\n", m_uri.toStdString().c_str());
return 0;
}
afb_proto_ws_on_hangup(m_pws, _on_pws_hangup);
return 1;
}
void AppFwHandler::on_pws_hangup(void)
{
struct afb_proto_ws *apw = m_pws;
m_pws = nullptr;
afb_proto_ws_unref(apw);
attempt_connect_pws(10);
}
void AppFwHandler::attempt_connect_pws(int count)
{
if(m_time != nullptr) {
HMI_NOTICE("AppFwHandler", "attempt_connect_pws retrying!\n");
return;
}
if(count > 0)
m_retry = count;
else
return;
m_time = new QTimer(this);
connect(m_time, SIGNAL(timeout()), this, SLOT(connect_pws_timer_slot()));
m_time->start(5000);
}
void AppFwHandler::connect_pws_timer_slot(void)
{
--m_retry;
int ret = try_connect_pws();
if(ret) {
m_retry = 0;
disconnect(m_time, 0, 0, 0);
delete m_time;
m_time = nullptr;
}
else {
if(m_retry > 0)
m_time->start(5000);
}
}
int AppFwHandler::call(const char *verb, const char *object)
{
static int num = 0;
if(verb == nullptr) {
HMI_NOTICE("AppFwHandler", "parameter is null!\n");
return 0;
}
num++;
QString key = QString(num) + ':' + QString(verb);
enum json_tokener_error jerr;
struct json_object *obj = json_tokener_parse_verbose(object, &jerr);
if (jerr != json_tokener_success)
obj = json_object_new_string(object);
int rc = afb_proto_ws_client_call(m_pws, verb, obj, m_sessionid.toStdString().c_str(), key.toLatin1().data(), NULL);
json_object_put(obj);
if (rc < 0) {
HMI_ERROR("AppFwHandler", "calling %s(%s) failed!\n", verb, object);
}
return rc;
}
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