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/*
* Copyright (C) 2022,2023 Konsulko Group
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <QDebug>
#include <QtConcurrent>
#include "vehiclesignals.h"
#include "QtKuksaClient.h"
VehicleSignals::VehicleSignals(const VehicleSignalsConfig &config, QObject *parent) :
QObject(parent),
m_config(config)
{
// Create gRPC channel
// NOTE: channel creation and waiting for connected state could be put into
// a thread that is spawned here.
QString host = m_config.hostname();
host += ":";
host += QString::number(m_config.port());
std::shared_ptr<grpc::Channel> channel;
if (!m_config.caCert().isEmpty()) {
qInfo() << "Using TLS";
grpc::SslCredentialsOptions options;
options.pem_root_certs = m_config.caCert().toStdString();
if (!m_config.tlsServerName().isEmpty()) {
grpc::ChannelArguments args;
auto target = m_config.tlsServerName();
qInfo() << "Overriding TLS target name with " << target;
args.SetString(GRPC_SSL_TARGET_NAME_OVERRIDE_ARG, target.toStdString());
channel = grpc::CreateCustomChannel(host.toStdString(), grpc::SslCredentials(options), args);
} else {
channel = grpc::CreateChannel(host.toStdString(), grpc::SslCredentials(options));
}
} else {
channel = grpc::CreateChannel(host.toStdString(), grpc::InsecureChannelCredentials());
}
m_broker = new QtKuksaClient(channel, config);
if (!m_broker)
qCritical() << "gRPC client initialization failed";
QObject::connect(m_broker, &QtKuksaClient::connected, this, &VehicleSignals::onConnected);
}
VehicleSignals::~VehicleSignals()
{
delete m_broker;
}
void VehicleSignals::connect()
{
// QtKuksaClient will call our onConnected slot when the channel
// is connected, and then we pass that along via our connected
// signal.
if (m_broker)
m_broker->connect();
}
void VehicleSignals::authorize()
{
// Databroker has no separate authorize call, so this is a no-op
emit authorized();
}
void VehicleSignals::get(const QString &path, const bool actuator)
{
if (m_broker)
m_broker->get(path, actuator);
}
void VehicleSignals::set(const QString &path, const QString &value, const bool actuator)
{
if (m_broker)
m_broker->set(path, value, actuator);
}
void VehicleSignals::set(const QString &path, const qint32 value, const bool actuator)
{
if (m_broker)
m_broker->set(path, value, actuator);
}
void VehicleSignals::set(const QString &path, const qint64 value, const bool actuator)
{
if (m_broker)
m_broker->set(path, value, actuator);
}
void VehicleSignals::set(const QString &path, const quint32 value, const bool actuator)
{
if (m_broker)
m_broker->set(path, value, actuator);
}
void VehicleSignals::set(const QString &path, const quint64 value, const bool actuator)
{
if (m_broker)
m_broker->set(path, value, actuator);
}
void VehicleSignals::set(const QString &path, const float value, const bool actuator)
{
if (m_broker)
m_broker->set(path, value, actuator);
}
void VehicleSignals::set(const QString &path, const double value, const bool actuator)
{
if (m_broker)
m_broker->set(path, value, actuator);
}
void VehicleSignals::subscribe(const QString &path, bool actuator)
{
if (m_broker)
m_broker->subscribe(path, actuator);
}
void VehicleSignals::subscribe(const QMap<QString, bool> &signals_)
{
if (m_broker)
m_broker->subscribe(signals_);
}
// Slots
void VehicleSignals::onConnected()
{
QObject::connect(m_broker, &QtKuksaClient::getResponse, this, &VehicleSignals::onGetResponse);
QObject::connect(m_broker, &QtKuksaClient::setResponse, this, &VehicleSignals::onSetResponse);
QObject::connect(m_broker, &QtKuksaClient::subscribeResponse, this, &VehicleSignals::onSubscribeResponse);
//QObject::connect(m_broker, &QtKuksaClient::subscribeDone, this, &VehicleSignals::onSubscribeDone);
emit connected();
}
void VehicleSignals::onGetResponse(QString path, QString value, QString timestamp)
{
emit getSuccessResponse(path, value, timestamp);
}
void VehicleSignals::onSetResponse(QString path, QString error)
{
emit setErrorResponse(path, error);
}
void VehicleSignals::onSubscribeResponse(QString path, QString value, QString timestamp)
{
if (m_config.verbose() > 1)
qDebug() << "VehicleSignals::onSubscribeResponse: got " << path << " = " << value;
emit signalNotification(path, value, timestamp);
}
void VehicleSignals::onSubscribeDone(const QMap<QString, bool> &signals_, bool canceled)
{
if (!canceled) {
// queue up a resubscribe attempt
QFuture<void> future = QtConcurrent::run(this, &VehicleSignals::resubscribe, signals_);
}
}
// Private
void VehicleSignals::resubscribe(const QMap<QString, bool> &signals_)
{
// Delay 100 milliseconds between subscribe attempts
QThread::msleep(100);
if (m_broker)
m_broker->subscribe(signals_);
}
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