292 lines
15 KiB
C++
292 lines
15 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* Copyright 2013 - 2022, 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 "integrationpluginnetworkdetector.h"
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#include "plugininfo.h"
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#include <QDebug>
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#include <QStringList>
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IntegrationPluginNetworkDetector::IntegrationPluginNetworkDetector()
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{
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}
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IntegrationPluginNetworkDetector::~IntegrationPluginNetworkDetector()
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{
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}
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void IntegrationPluginNetworkDetector::init()
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{
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}
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void IntegrationPluginNetworkDetector::discoverThings(ThingDiscoveryInfo *info)
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{
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if (!hardwareManager()->networkDeviceDiscovery()->available()) {
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qCWarning(dcNetworkDetector()) << "Failed to discover network devices. The network device discovery is not available.";
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info->finish(Thing::ThingErrorHardwareNotAvailable, QT_TR_NOOP("Unable to discovery devices in your network."));
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return;
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}
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qCDebug(dcNetworkDetector()) << "Starting network discovery...";
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NetworkDeviceDiscoveryReply *discoveryReply = hardwareManager()->networkDeviceDiscovery()->discover();
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connect(discoveryReply, &NetworkDeviceDiscoveryReply::hostAddressDiscovered, this, [=](const QHostAddress &address){
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qCDebug(dcNetworkDetector()) << "Address discovered" << address.toString();
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});
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connect(discoveryReply, &NetworkDeviceDiscoveryReply::networkDeviceInfoAdded, this, [=](const NetworkDeviceInfo &networkDeviceInfo){
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qCDebug(dcNetworkDetector()) << "-->" << networkDeviceInfo;
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});
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connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, discoveryReply, &NetworkDeviceDiscoveryReply::deleteLater);
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connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, info, [=](){
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ThingDescriptors descriptors;
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qCDebug(dcNetworkDetector()) << "Discovery finished. Found" << discoveryReply->networkDeviceInfos().count() << "devices";
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foreach (const NetworkDeviceInfo &networkDeviceInfo, discoveryReply->networkDeviceInfos()) {
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qCDebug(dcNetworkDetector()) << "-->" << networkDeviceInfo;
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QString title;
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if (networkDeviceInfo.hostName().isEmpty()) {
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title = networkDeviceInfo.macAddress();
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} else {
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title = networkDeviceInfo.hostName() + " (" + networkDeviceInfo.macAddress() + ")";
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}
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QString description;
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if (networkDeviceInfo.macAddressManufacturer().isEmpty()) {
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description = networkDeviceInfo.address().toString();
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} else {
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description = networkDeviceInfo.address().toString() + " - " + networkDeviceInfo.macAddressManufacturer();
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}
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ThingDescriptor descriptor(networkDeviceThingClassId, title, description);
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ParamList params;
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params.append(Param(networkDeviceThingMacAddressParamTypeId, networkDeviceInfo.macAddress()));
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descriptor.setParams(params);
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// Check if we already have set up this device
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Things existingThings = myThings().filterByParam(networkDeviceThingMacAddressParamTypeId, networkDeviceInfo.macAddress());
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if (existingThings.count() == 1) {
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qCDebug(dcNetworkDetector()) << "This network device already exists in the system" << networkDeviceInfo;
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descriptor.setThingId(existingThings.first()->id());
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}
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descriptors.append(descriptor);
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}
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info->addThingDescriptors(descriptors);
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info->finish(Thing::ThingErrorNoError);
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});
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}
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void IntegrationPluginNetworkDetector::setupThing(ThingSetupInfo *info)
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{
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Thing *thing = info->thing();
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qCDebug(dcNetworkDetector()) << "Setup" << thing->name() << thing->params();
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if (thing->thingClassId() == networkDeviceThingClassId) {
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MacAddress macAddress(thing->paramValue(networkDeviceThingMacAddressParamTypeId).toString());
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if (macAddress.isNull()) {
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qCWarning(dcNetworkDetector()) << "Invalid mac address:" << thing->paramValue(networkDeviceThingMacAddressParamTypeId).toString();
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info->finish(Thing::ThingErrorInvalidParameter, QT_TR_NOOP("The configured MAC address is not valid."));
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return;
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}
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// Handle reconfigure
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if (m_monitors.contains(thing)) {
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hardwareManager()->networkDeviceDiscovery()->unregisterMonitor(m_monitors.take(thing));
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}
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NetworkDeviceMonitor *monitor = hardwareManager()->networkDeviceDiscovery()->registerMonitor(macAddress);
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m_monitors.insert(thing, monitor);
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info->finish(Thing::ThingErrorNoError);
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QHostAddress cachedAddress;
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if (!monitor->networkDeviceInfo().address().isNull()) {
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cachedAddress = monitor->networkDeviceInfo().address();
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} else {
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cachedAddress = QHostAddress(thing->stateValue(networkDeviceAddressStateTypeId).toString());
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}
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// If the address is not known yet, let the monitor do the work and finish the setup...
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if (cachedAddress.isNull()) {
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setupMonitorConnections(thing, monitor);
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thing->setStateValue(networkDeviceIsPresentStateTypeId, monitor->reachable());
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return;
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}
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// Make an initial ping in order to check if the device reachable state has changed compaired to the cached state
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qCDebug(dcNetworkDetector()) << "Send initial ping to" << cachedAddress.toString() << "in order to get initial reachable state...";
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PingReply *pingReply = hardwareManager()->networkDeviceDiscovery()->ping(cachedAddress);
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connect(pingReply, &PingReply::finished, this, [=](){
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qCDebug(dcNetworkDetector()) << "Initial ping finished" << pingReply->error();
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// However the ping result is, the monitor has catched up internally with the reachable state...
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if (!monitor->networkDeviceInfo().address().isNull())
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thing->setStateValue(networkDeviceAddressStateTypeId, monitor->networkDeviceInfo().address().toString());
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thing->setStateValue(networkDeviceHostNameStateTypeId, monitor->networkDeviceInfo().hostName());
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thing->setStateValue(networkDeviceMacManufacturerNameStateTypeId, monitor->networkDeviceInfo().macAddressManufacturer());
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thing->setStateValue(networkDeviceNetworkInterfaceStateTypeId, monitor->networkDeviceInfo().networkInterface().name());
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thing->setStateValue(networkDeviceIsPresentStateTypeId, monitor->reachable());
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setupMonitorConnections(thing, monitor);
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if (!monitor->lastSeen().isNull()) {
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QDateTime minuteBased = QDateTime::fromMSecsSinceEpoch((monitor->lastSeen().toMSecsSinceEpoch() / 60000) * 60000);
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thing->setStateValue(networkDeviceLastSeenTimeStateTypeId, minuteBased.toMSecsSinceEpoch() / 1000);
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}
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});
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} else {
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info->finish(Thing::ThingErrorThingClassNotFound);
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}
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}
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void IntegrationPluginNetworkDetector::thingRemoved(Thing *thing)
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{
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if (m_monitors.contains(thing)) {
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hardwareManager()->networkDeviceDiscovery()->unregisterMonitor(m_monitors.take(thing));
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}
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if (m_gracePeriodTimers.contains(thing)) {
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hardwareManager()->pluginTimerManager()->unregisterTimer(m_gracePeriodTimers.take(thing));
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}
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}
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void IntegrationPluginNetworkDetector::executeAction(ThingActionInfo *info)
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{
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if (info->thing()->thingClassId() == networkDeviceThingClassId) {
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NetworkDeviceMonitor *monitor = m_monitors.value(info->thing());
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if (!monitor) {
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qCWarning(dcNetworkDetector()) << "Could not execute action. There is no monitor registered for" << info->thing();
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info->finish(Thing::ThingErrorHardwareNotAvailable);
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return;
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}
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if (info->action().actionTypeId() == networkDevicePingActionTypeId) {
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PingReply *pingReply = hardwareManager()->networkDeviceDiscovery()->ping(monitor->networkDeviceInfo().address());
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connect(pingReply, &PingReply::finished, info, [=](){
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if (pingReply->error() == PingReply::ErrorNoError) {
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qCDebug(dcNetworkDetector()) << "Ping finished for" << monitor->networkDeviceInfo().address().toString() << pingReply->duration() << "ms";
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info->finish(Thing::ThingErrorNoError);
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} else {
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qCWarning(dcNetworkDetector()) << "Ping" << monitor->networkDeviceInfo().address().toString() << "finished with error" << pingReply->error();
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info->finish(Thing::ThingErrorHardwareNotAvailable);
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}
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});
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} else if (info->action().actionTypeId() == networkDeviceArpRequestActionTypeId) {
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bool result = hardwareManager()->networkDeviceDiscovery()->sendArpRequest(monitor->networkDeviceInfo().address());
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if (result) {
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qCDebug(dcNetworkDetector()) << "ARP request sent successfully to" << monitor->networkDeviceInfo().address().toString();
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info->finish(Thing::ThingErrorNoError);
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} else {
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qCWarning(dcNetworkDetector()) << "Failed to send ARP request to" << monitor->networkDeviceInfo().address().toString();
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info->finish(Thing::ThingErrorHardwareFailure);
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}
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} else if (info->action().actionTypeId() == networkDeviceLookupHostActionTypeId) {
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int lookupId = QHostInfo::lookupHost(monitor->networkDeviceInfo().address().toString(), this, SLOT(onHostLookupFinished(QHostInfo)));
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m_pendingHostLookup.insert(lookupId, info);
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connect(info, &ThingActionInfo::aborted, this, [=](){
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m_pendingHostLookup.remove(lookupId);
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});
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}
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}
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}
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void IntegrationPluginNetworkDetector::setupMonitorConnections(Thing *thing, NetworkDeviceMonitor *monitor)
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{
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connect(monitor, &NetworkDeviceMonitor::reachableChanged, thing, [=](bool reachable){
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qCDebug(dcNetworkDetector()) << thing->name() << "monitor reachable changed to" << reachable;
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if (reachable) {
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thing->setStateValue(networkDeviceIsPresentStateTypeId, reachable);
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// Remove any possible running grace priod timer
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if (m_gracePeriodTimers.contains(thing)) {
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hardwareManager()->pluginTimerManager()->unregisterTimer(m_gracePeriodTimers.take(thing));
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}
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} else {
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int gracePeriodSeconds = thing->setting(networkDeviceSettingsGracePeriodParamTypeId).toInt() * 60;
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if (gracePeriodSeconds == 0) {
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thing->setStateValue(networkDeviceIsPresentStateTypeId, reachable);
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} else {
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// Let's wait the grace period before setting not present
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PluginTimer *timer = hardwareManager()->pluginTimerManager()->registerTimer(gracePeriodSeconds);
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connect(timer, &PluginTimer::timeout, thing, [=](){
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if (thing->stateValue(networkDeviceIsPresentStateTypeId).toBool() && monitor->lastSeen().addSecs(gracePeriodSeconds) < QDateTime::currentDateTime()) {
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qCDebug(dcNetworkDetector()) << thing->name() << "still not reachable after a grace period of" << gracePeriodSeconds << "seconds. Mark device as not reachable.";
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thing->setStateValue(networkDeviceIsPresentStateTypeId, reachable);
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hardwareManager()->pluginTimerManager()->unregisterTimer(m_gracePeriodTimers.take(thing));
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}
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});
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m_gracePeriodTimers.insert(thing, timer);
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qCDebug(dcNetworkDetector()) << "Starting grace period timer" << m_gracePeriodTimers << "seconds";
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timer->start();
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}
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}
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});
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connect(monitor, &NetworkDeviceMonitor::lastSeenChanged, thing, [=](const QDateTime &lastSeen){
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QDateTime minuteBased = QDateTime::fromMSecsSinceEpoch((monitor->lastSeen().toMSecsSinceEpoch() / 60000) * 60000);
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qCDebug(dcNetworkDetector()) << thing << "last seen changed to" << lastSeen.toString() << minuteBased.toString();
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thing->setStateValue(networkDeviceLastSeenTimeStateTypeId, minuteBased.toMSecsSinceEpoch() / 1000);
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});
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connect(monitor, &NetworkDeviceMonitor::networkDeviceInfoChanged, thing, [=](const NetworkDeviceInfo &networkInfo){
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qCDebug(dcNetworkDetector()) << thing << "changed" << networkInfo;
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thing->setStateValue(networkDeviceAddressStateTypeId, networkInfo.address().toString());
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thing->setStateValue(networkDeviceHostNameStateTypeId, networkInfo.hostName());
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thing->setStateValue(networkDeviceMacManufacturerNameStateTypeId, networkInfo.macAddressManufacturer());
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thing->setStateValue(networkDeviceNetworkInterfaceStateTypeId, monitor->networkDeviceInfo().networkInterface().name());
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});
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}
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void IntegrationPluginNetworkDetector::onHostLookupFinished(const QHostInfo &info)
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{
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ThingActionInfo *actionInfo = m_pendingHostLookup.take(info.lookupId());
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if (!actionInfo) {
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qCWarning(dcNetworkDetector()) << "Host loopup finished for" << info.addresses() << info.hostName() << "but the action does not exist any more.";
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return;
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}
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qCDebug(dcNetworkDetector()) << "Host lookup finished" << info.addresses() << info.hostName() << info.error();
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if (info.error() != QHostInfo::NoError) {
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qCWarning(dcNetworkDetector()) << "Error occured during host lookup:" << info.errorString();
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actionInfo->finish(Thing::ThingErrorHardwareFailure);
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} else {
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actionInfo->finish(Thing::ThingErrorNoError);
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}
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}
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