260 lines
11 KiB
C++
260 lines
11 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* Copyright 2013 - 2021, nymea GmbH
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* Contact: contact@nymea.io
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*
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* This file is part of nymea.
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* This project including source code and documentation is protected by
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* copyright law, and remains the property of nymea GmbH. All rights, including
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* reproduction, publication, editing and translation, are reserved. The use of
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* this project is subject to the terms of a license agreement to be concluded
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* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
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* under https://nymea.io/license
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*
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* GNU Lesser General Public License Usage
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* Alternatively, this project may be redistributed and/or modified under the
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* terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; version 3. This project is distributed in the hope that
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* it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this project. If not, see <https://www.gnu.org/licenses/>.
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*
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* For any further details and any questions please contact us under
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* contact@nymea.io or see our FAQ/Licensing Information on
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* https://nymea.io/license/faq
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include "modbusrtumanager.h"
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#include "nymeasettings.h"
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#include "loggingcategories.h"
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#include "modbusrtumasterimpl.h"
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#include "hardware/serialport/serialportmonitor.h"
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NYMEA_LOGGING_CATEGORY(dcModbusRtu, "ModbusRtu")
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namespace nymeaserver {
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ModbusRtuManager::ModbusRtuManager(SerialPortMonitor *serialPortMonitor, QObject *parent) :
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QObject(parent),
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m_serialPortMonitor(serialPortMonitor)
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{
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// Load uart configurations
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loadRtuMasters();
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connect(m_serialPortMonitor, &SerialPortMonitor::serialPortAdded, this, [=](const QSerialPortInfo &serialPortInfo){
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qCDebug(dcModbusRtu()) << "Serial port added. Verify modbus RTU masters...";
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// Check if we have to reconnect any modbus RTU masters
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foreach (ModbusRtuMaster *modbusMaster, m_modbusRtuMasters.values()) {
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ModbusRtuMasterImpl *modbusMasterImpl = qobject_cast<ModbusRtuMasterImpl *>(modbusMaster);
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// Try only to reconnect if the added serial port matches a disconnected modbus RTU master
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if (!modbusMasterImpl->connected() && modbusMasterImpl->serialPort() == serialPortInfo.systemLocation()) {
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if (!modbusMasterImpl->connectDevice()) {
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qCDebug(dcModbusRtu()) << "Reconnect" << modbusMaster << "failed.";
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} else {
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qCDebug(dcModbusRtu()) << "Reconnected" << modbusMaster << "successfully.";
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}
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}
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}
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});
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}
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SerialPortMonitor *ModbusRtuManager::serialPortMonitor() const
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{
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return m_serialPortMonitor;
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}
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bool ModbusRtuManager::supported() const
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{
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#ifdef WITH_QTSERIALBUS
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return true;
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#else
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return false;
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#endif
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}
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QList<ModbusRtuMaster *> ModbusRtuManager::modbusRtuMasters() const
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{
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return m_modbusRtuMasters.values();
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}
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bool ModbusRtuManager::hasModbusRtuMaster(const QUuid &modbusUuid) const
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{
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return m_modbusRtuMasters.value(modbusUuid) != nullptr;
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}
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ModbusRtuMaster *ModbusRtuManager::getModbusRtuMaster(const QUuid &modbusUuid)
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{
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if (hasModbusRtuMaster(modbusUuid)) {
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return m_modbusRtuMasters.value(modbusUuid);
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}
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return nullptr;
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}
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QPair<ModbusRtuManager::ModbusRtuError, QUuid> ModbusRtuManager::addNewModbusRtuMaster(const QString &serialPort, qint32 baudrate, QSerialPort::Parity parity, QSerialPort::DataBits dataBits, QSerialPort::StopBits stopBits)
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{
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if (!supported()) {
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qCWarning(dcModbusRtu()) << "Cannot add new modbus RTU master because serialbus is not suppoerted on this platform.";
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return QPair<ModbusRtuManager::ModbusRtuError, QUuid>(ModbusRtuErrorNotSupported, QUuid());
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}
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// Check if the serial port exists
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if (!m_serialPortMonitor->serialPortAvailable(serialPort)) {
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qCWarning(dcModbusRtu()) << "Cannot add new modbus RTU master because the serial port" << serialPort << "is not available any more";
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return QPair<ModbusRtuManager::ModbusRtuError, QUuid>(ModbusRtuErrorHardwareNotFound, QUuid());
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}
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QUuid modbusUuid = QUuid::createUuid();
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ModbusRtuMasterImpl *modbusMaster = new ModbusRtuMasterImpl(modbusUuid, serialPort, baudrate, parity, dataBits, stopBits, this);
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ModbusRtuMaster *modbus = qobject_cast<ModbusRtuMaster *>(modbusMaster);
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qCDebug(dcModbusRtu()) << "Adding new" << modbus << parity << dataBits << stopBits;
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// Note: We could add the modbus master event if a connection is currently not possible...not sure yet
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if (!modbusMaster->connectDevice()) {
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qCWarning(dcModbusRtu()) << "Failed to add new modbus RTU master. Could not connect to" << modbus << parity << dataBits << stopBits;
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modbusMaster->deleteLater();
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return QPair<ModbusRtuError, QUuid>(ModbusRtuErrorConnectionFailed, QUuid());
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}
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addModbusRtuMasterInternally(modbusMaster);
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saveModbusRtuMaster(modbus);
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return QPair<ModbusRtuError, QUuid>(ModbusRtuErrorNoError, modbusUuid);
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}
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ModbusRtuManager::ModbusRtuError ModbusRtuManager::reconfigureModbusRtuMaster(const QUuid &modbusUuid, const QString &serialPort, qint32 baudrate, QSerialPort::Parity parity, QSerialPort::DataBits dataBits, QSerialPort::StopBits stopBits)
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{
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if (!supported()) {
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qCWarning(dcModbusRtu()) << "Cannot reconfigure modbus RTU master because serialbus is not suppoerted on this platform.";
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return ModbusRtuErrorNotSupported;
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}
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if (!m_modbusRtuMasters.contains(modbusUuid)) {
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qCWarning(dcModbusRtu()) << "Could not reconfigure modbus RTU master because no resource could be found with uuid" << modbusUuid.toString();
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return ModbusRtuErrorUuidNotFound;
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}
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ModbusRtuMasterImpl *modbusMaster = qobject_cast<ModbusRtuMasterImpl *>(m_modbusRtuMasters.value(modbusUuid));
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// Disconnect
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modbusMaster->disconnectDevice();
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// Reconfigure
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modbusMaster->setSerialPort(serialPort);
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modbusMaster->setBaudrate(baudrate);
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modbusMaster->setParity(parity);
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modbusMaster->setDataBits(dataBits);
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modbusMaster->setStopBits(stopBits);
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// Connect again
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if (!modbusMaster->connectDevice()) {
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qCWarning(dcModbusRtu()) << "Failed to connect to" << m_modbusRtuMasters.value(modbusUuid);
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// FIXME: check if we should reload the old configuration
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emit modbusRtuMasterChanged(m_modbusRtuMasters.value(modbusUuid));
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return ModbusRtuErrorConnectionFailed;
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}
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emit modbusRtuMasterChanged(m_modbusRtuMasters.value(modbusUuid));
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qCDebug(dcModbusRtu()) << "Reconfigured successfully" << m_modbusRtuMasters.value(modbusUuid);
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saveModbusRtuMaster(modbusMaster);
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return ModbusRtuErrorNoError;
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}
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ModbusRtuManager::ModbusRtuError ModbusRtuManager::removeModbusRtuMaster(const QUuid &modbusUuid)
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{
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if (!supported()) {
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qCWarning(dcModbusRtu()) << "Cannot remove modbus RTU master because serialbus is not suppoerted on this platform.";
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return ModbusRtuErrorNotSupported;
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}
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if (!m_modbusRtuMasters.contains(modbusUuid)) {
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qCWarning(dcModbusRtu()) << "Could not remove modbus RTU master because no resource could be found with uuid" << modbusUuid.toString();
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return ModbusRtuErrorUuidNotFound;
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}
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ModbusRtuMasterImpl *modbusMaster = qobject_cast<ModbusRtuMasterImpl *>(m_modbusRtuMasters.take(modbusUuid));
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qCDebug(dcModbusRtu()) << "Removing modbus RTU master" << qobject_cast<ModbusRtuMaster *>(modbusMaster);
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modbusMaster->disconnectDevice();
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modbusMaster->deleteLater();
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// Remove from settings
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NymeaSettings settings(NymeaSettings::SettingsRoleModbusRtu);
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settings.beginGroup("ModbusRtuMasters");
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settings.beginGroup(modbusUuid.toString());
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settings.remove("");
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settings.endGroup(); // modbusUuid
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settings.endGroup(); // ModbusRtuMasters
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emit modbusRtuMasterRemoved(modbusMaster);
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return ModbusRtuErrorNoError;
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}
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void ModbusRtuManager::loadRtuMasters()
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{
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if (!supported())
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return;
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NymeaSettings settings(NymeaSettings::SettingsRoleModbusRtu);
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qCDebug(dcModbusRtu()) << "Loading modbus RTU resources from" << settings.fileName();
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settings.beginGroup("ModbusRtuMasters");
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foreach (const QString &uuidString, settings.childGroups()) {
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settings.beginGroup(uuidString);
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QString serialPort = settings.value("serialPort").toString();
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quint32 baudrate = settings.value("baudrate").toUInt();
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QSerialPort::Parity parity = static_cast<QSerialPort::Parity>(settings.value("parity").toInt());
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QSerialPort::DataBits dataBits = static_cast<QSerialPort::DataBits>(settings.value("dataBits").toInt());
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QSerialPort::StopBits stopBits = static_cast<QSerialPort::StopBits>(settings.value("stopBits").toInt());
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settings.endGroup(); // uuid
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addModbusRtuMasterInternally(new ModbusRtuMasterImpl(QUuid(uuidString), serialPort, baudrate, parity, dataBits, stopBits, this));
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}
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settings.endGroup(); // ModbusRtuMasters
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}
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void ModbusRtuManager::saveModbusRtuMaster(ModbusRtuMaster *modbusRtuMaster)
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{
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NymeaSettings settings(NymeaSettings::SettingsRoleModbusRtu);
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qCDebug(dcModbusRtu()) << "Saving" << modbusRtuMaster << "to" << settings.fileName();
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settings.beginGroup("ModbusRtuMasters");
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settings.beginGroup(modbusRtuMaster->modbusUuid().toString());
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settings.setValue("serialPort", modbusRtuMaster->serialPort());
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settings.setValue("baudrate", modbusRtuMaster->baudrate());
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settings.setValue("parity", static_cast<int>(modbusRtuMaster->parity()));
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settings.setValue("dataBits", static_cast<int>(modbusRtuMaster->dataBits()));
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settings.setValue("stopBits", static_cast<int>(modbusRtuMaster->stopBits()));
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settings.endGroup(); // uuid
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settings.endGroup(); // ModbusRtuMasters
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}
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void ModbusRtuManager::addModbusRtuMasterInternally(ModbusRtuMasterImpl *modbusRtuMaster)
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{
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ModbusRtuMaster *modbusMaster = qobject_cast<ModbusRtuMaster *>(modbusRtuMaster);
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qCDebug(dcModbusRtu()) << "Adding" << modbusMaster;
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m_modbusRtuMasters.insert(modbusMaster->modbusUuid(), modbusMaster);
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connect(modbusMaster, &ModbusRtuMaster::connectedChanged, this, [=](bool connected){
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qCDebug(dcModbusRtu()) << modbusMaster << (connected ? "connected" : "disconnected");
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emit modbusRtuMasterChanged(modbusMaster);
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});
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emit modbusRtuMasterAdded(modbusMaster);
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// Try to connect the modbus rtu master after adding the bus
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if (!modbusRtuMaster->connectDevice()) {
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qCWarning(dcModbusRtu()) << "Failed to connect modbus RTU master. Could not connect to" << modbusMaster;
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}
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}
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}
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