powersync-plugins-modbus/huawei/huaweismartloggerdiscovery.cpp

122 lines
4.9 KiB
C++

// SPDX-License-Identifier: GPL-3.0-or-later
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright (C) 2013 - 2024, nymea GmbH
* Copyright (C) 2024 - 2025, chargebyte austria GmbH
*
* This file is part of nymea-plugins-modbus.
*
* nymea-plugins-modbus 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.
*
* nymea-plugins-modbus 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 nymea-plugins-modbus. If not, see <https://www.gnu.org/licenses/>.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "huaweismartloggerdiscovery.h"
#include "extern-plugininfo.h"
HuaweiSmartLoggerDiscovery::HuaweiSmartLoggerDiscovery(NetworkDeviceDiscovery *networkDeviceDiscovery, quint16 port, QObject *parent)
: QObject{parent},
m_networkDeviceDiscovery{networkDeviceDiscovery},
m_port{port}
{
}
void HuaweiSmartLoggerDiscovery::startDiscovery()
{
qCInfo(dcHuawei()) << "Discovery: Start searching for Huawei SmartLogger in the network...";
m_startDateTime = QDateTime::currentDateTime();
NetworkDeviceDiscoveryReply *discoveryReply = m_networkDeviceDiscovery->discover();
connect(discoveryReply, &NetworkDeviceDiscoveryReply::hostAddressDiscovered, this, &HuaweiSmartLoggerDiscovery::checkNetworkDevice);
connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, discoveryReply, &NetworkDeviceDiscoveryReply::deleteLater);
connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, this, [this, discoveryReply](){
m_networkDeviceInfos = discoveryReply->networkDeviceInfos();
// Finish with some delay so the last added network device information objects still can be checked.
QTimer::singleShot(3000, this, [this](){
qCDebug(dcHuawei()) << "Discovery: Grace period timer triggered.";
finishDiscovery();
});
});
}
QList<HuaweiSmartLoggerDiscovery::Result> HuaweiSmartLoggerDiscovery::results() const
{
return m_results;
}
void HuaweiSmartLoggerDiscovery::checkNetworkDevice(const QHostAddress &address)
{
HuaweiSmartLogger *connection = new HuaweiSmartLogger(address, m_port, 1, this);
m_connections.append(connection);
connect(connection, &HuaweiSmartLogger::reachableChanged, this, [this, connection](bool reachable){
if (!reachable) {
// Disconnected ... done with this connection
cleanupConnection(connection);
return;
}
Result result;
result.address = connection->modbusTcpMaster()->hostAddress();
qCInfo(dcHuawei()) << "Discovery: --> Found reachable device on" << result.address.toString();
m_results.append(result);
});
// If we get any error...skip this host...
connect(connection->modbusTcpMaster(), &ModbusTcpMaster::connectionErrorOccurred, this, [this, connection](QModbusDevice::Error error){
if (error != QModbusDevice::NoError) {
qCDebug(dcHuawei()) << "Discovery: Connection error on" << connection->modbusTcpMaster()->hostAddress().toString() << "Continue...";;
cleanupConnection(connection);
}
});
// If check reachability failed...skip this host...
connect(connection, &HuaweiSmartLogger::checkReachabilityFailed, this, [this, connection](){
qCDebug(dcHuawei()) << "Discovery: Check reachability failed on" << connection->modbusTcpMaster()->hostAddress().toString() << "Continue...";;
cleanupConnection(connection);
});
connection->connectDevice();
}
void HuaweiSmartLoggerDiscovery::cleanupConnection(HuaweiSmartLogger *connection)
{
if (m_connections.contains(connection)) {
m_connections.removeAll(connection);
connection->disconnectDevice();
connection->deleteLater();
}
}
void HuaweiSmartLoggerDiscovery::finishDiscovery()
{
qint64 durationMilliSeconds = QDateTime::currentMSecsSinceEpoch() - m_startDateTime.toMSecsSinceEpoch();
// Fill in finished network device information
for (int i = 0; i < m_results.count(); i++)
m_results[i].networkDeviceInfo = m_networkDeviceInfos.get(m_results.value(i).address);
// Cleanup any leftovers...we don't care any more
foreach (HuaweiSmartLogger *connection, m_connections)
cleanupConnection(connection);
qCInfo(dcHuawei()) << "Discovery: Finished the discovery process. Found" << m_results.count()
<< "inverters in" << QTime::fromMSecsSinceStartOfDay(durationMilliSeconds).toString("mm:ss.zzz");
emit discoveryFinished();
}