add a systemmonitor plugin
Michael Zanetti
nymea
parent
7123a92a01
commit
9d35c01006
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@ -33,6 +33,7 @@ PLUGIN_DIRS = \
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osdomotics \
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philipshue \
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pushbullet \
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systemmonitor \
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remotessh \
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senic \
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serialportcommander \
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@ -0,0 +1,90 @@
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* *
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* Copyright (C) 2018 Michael Zanetti <michael.zanetti@guh.io *
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* *
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* This file is part of nymea. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public *
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* License as published by the Free Software Foundation; either *
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* version 2.1 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* 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 *
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* License along with this library; If not, see *
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* <http://www.gnu.org/licenses/>. *
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* *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include "devicepluginsystemmonitor.h"
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#include "plugininfo.h"
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DevicePluginSystemMonitor::DevicePluginSystemMonitor()
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{
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}
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DevicePluginSystemMonitor::~DevicePluginSystemMonitor()
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{
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if (m_refreshTimer) {
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hardwareManager()->pluginTimerManager()->unregisterTimer(m_refreshTimer);
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}
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}
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DeviceManager::DeviceSetupStatus DevicePluginSystemMonitor::setupDevice(Device *device)
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{
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Q_UNUSED(device)
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if (!m_refreshTimer) {
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m_refreshTimer = hardwareManager()->pluginTimerManager()->registerTimer(2);
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connect(m_refreshTimer, &PluginTimer::timeout, this, &DevicePluginSystemMonitor::onRefreshTimer);
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}
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return DeviceManager::DeviceSetupStatusSuccess;
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}
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void DevicePluginSystemMonitor::deviceRemoved(Device *device)
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{
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Q_UNUSED(device)
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if (myDevices().isEmpty()) {
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hardwareManager()->pluginTimerManager()->unregisterTimer(m_refreshTimer);
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m_refreshTimer = nullptr;
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}
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}
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void DevicePluginSystemMonitor::onRefreshTimer()
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{
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QProcess *p = new QProcess(this);
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connect(p, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(onProcessFinished(int,QProcess::ExitStatus)));
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p->start("ps", {"-C", "nymead", "-o", "rss="});
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}
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void DevicePluginSystemMonitor::onProcessFinished(int exitCode, QProcess::ExitStatus exitStatus)
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{
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QProcess *p = static_cast<QProcess*>(sender());
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p->deleteLater();
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if (exitCode != 0 || exitStatus != QProcess::NormalExit) {
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qWarning(dcSystemMonitor) << "Error reading process memory usage:" << p->readAllStandardError();
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return;
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}
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QByteArray data = p->readAllStandardOutput().trimmed();
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bool ok;
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qreal rssMem = data.toDouble(&ok);
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if (!ok) {
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qWarning(dcSystemMonitor) << "Failed to parse RSS memory value to a number:" << data;
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return;
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}
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foreach (Device *dev, myDevices()) {
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dev->setStateValue(systemMonitorRssMemoryStateTypeId, rssMem);
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}
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}
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@ -0,0 +1,56 @@
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* *
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* Copyright (C) 2018 Michael Zanetti <michael.zanetti@guh.io *
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* *
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* This file is part of nymea. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public *
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* License as published by the Free Software Foundation; either *
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* version 2.1 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* 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 *
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* License along with this library; If not, see *
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* <http://www.gnu.org/licenses/>. *
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* *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef DEVICEPLUGINSYSTEMMONITOR_H
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#define DEVICEPLUGINSYSTEMMONITOR_H
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#include "devicemanager.h"
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#include "plugin/deviceplugin.h"
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#include "plugintimer.h"
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#include <QDebug>
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#include <QProcess>
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#include <QUrlQuery>
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class DevicePluginSystemMonitor: public DevicePlugin {
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Q_OBJECT
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Q_PLUGIN_METADATA(IID "io.nymea.DevicePlugin" FILE "devicepluginsystemmonitor.json")
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Q_INTERFACES(DevicePlugin)
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public:
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explicit DevicePluginSystemMonitor();
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~DevicePluginSystemMonitor();
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DeviceManager::DeviceSetupStatus setupDevice(Device *device) override;
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void deviceRemoved(Device *device) override;
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private slots:
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void onRefreshTimer();
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void onProcessFinished(int exitCode, QProcess::ExitStatus exitStatus);
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private:
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PluginTimer *m_refreshTimer = nullptr;
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};
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#endif // DEVICEPLUGINSYSTEMMONITOR_H
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@ -0,0 +1,31 @@
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{
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"name": "systemMonitor",
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"displayName": "System Monitor",
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"id": "908b4f18-dc0c-4940-a6f7-c0c01a2861b8",
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"vendors": [
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{
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"displayName": "guh GmbH",
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"name": "guh",
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"id": "2062d64d-3232-433c-88bc-0d33c0ba2ba6",
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"deviceClasses": [
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{
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"id": "a3a15700-c251-4803-a608-0f3ddfcbd7a8",
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"name": "systemMonitor",
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"displayName": "System monitor",
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"createMethods": [ "manual" ],
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"paramTypes": [ ],
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"stateTypes": [
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{
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"id": "d9671ee3-51be-4cf8-8601-125c0684aec9",
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"name": "rssMemory",
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"displayName": "RSS memory usage",
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"displayNameEvent": "RSS memory usage changed",
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"type": "double",
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"defaultValue": 0
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}
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]
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}
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]
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}
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]
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}
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@ -0,0 +1,9 @@
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include(../plugins.pri)
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TARGET = $$qtLibraryTarget(nymea_devicepluginsystemmonitor)
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SOURCES += \
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devicepluginsystemmonitor.cpp \
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HEADERS += \
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devicepluginsystemmonitor.h \
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@ -0,0 +1,4 @@
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE TS>
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<TS version="2.1">
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</TS>
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@ -0,0 +1,4 @@
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE TS>
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<TS version="2.1">
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</TS>
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