ETM-Schurig/etm-powersync-plugins
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge PR #144: New plug-in: systemmonitor

Browse Source
This commit is contained in:
Jenkins 2019-09-19 12:28:00 +02:00
commit 20bb53e162
10 changed files with 275 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
debian/control vendored
View File

@ -749,6 +749,20 @@ Description: nymea.io plugin to send and receive strings over a serial port
.
This package will install the nymea.io plugin for serial ports
Package: nymea-plugin-systemmonitor
Architecture: any
Depends: ${shlibs:Depends},
${misc:Depends},
nymea-plugins-translations,
Description: nymea.io plugin to monitor the system
The nymea daemon is a plugin based IoT (Internet of Things) server. The
server works like a translator for devices, things and services and
allows them to interact.
With the powerful rule engine you are able to connect any device available
in the system and create individual scenes and behaviors for your environment.
.
This package will install the nymea.io plugin for system monitoring
Package: nymea-plugins-translations
Section: misc
@ -818,6 +832,7 @@ Depends: nymea-plugin-boblight,
nymea-plugin-remotessh,
nymea-plugin-unipi,
nymea-plugin-serialportcommander,
nymea-plugin-systemmonitor,
Replaces: guh-plugins-maker
Description: Plugins for nymea IoT server - Meta package for makers, tinkers and hackers
The nymea daemon is a plugin based IoT (Internet of Things) server. The

1
debian/nymea-plugin-systemmonitor.install.in vendored Normal file
View File

@ -0,0 +1 @@
usr/lib/@DEB_HOST_MULTIARCH@/nymea/plugins/libnymea_devicepluginsystemmonitor.so

1
nymea-plugins.pro
View File

@ -33,6 +33,7 @@ PLUGIN_DIRS = \
osdomotics \
philipshue \
pushbullet \
systemmonitor \
remotessh \
senic \
serialportcommander \

9
systemmonitor/README.md Normal file
View File

@ -0,0 +1,9 @@
# Systemmonitor
Displays the system usage of nymea, containing:
* CPU usage (in percent)
* Memory usage (in percent)
* RSS memory usage (in KiloByte)
* Virtual memory usage (in KiloByte)

113
systemmonitor/devicepluginsystemmonitor.cpp Normal file
View File

@ -0,0 +1,113 @@
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* Copyright (C) 2018 Michael Zanetti <michael.zanetti@guh.io *
* *
* This file is part of nymea. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; If not, see *
* <http://www.gnu.org/licenses/>. *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "devicepluginsystemmonitor.h"
#include "plugininfo.h"
DevicePluginSystemMonitor::DevicePluginSystemMonitor()
{
}
DevicePluginSystemMonitor::~DevicePluginSystemMonitor()
{
if (m_refreshTimer) {
hardwareManager()->pluginTimerManager()->unregisterTimer(m_refreshTimer);
}
}
Device::DeviceSetupStatus DevicePluginSystemMonitor::setupDevice(Device *device)
{
Q_UNUSED(device)
if (!m_refreshTimer) {
m_refreshTimer = hardwareManager()->pluginTimerManager()->registerTimer(2);
connect(m_refreshTimer, &PluginTimer::timeout, this, &DevicePluginSystemMonitor::onRefreshTimer);
}
return Device::DeviceSetupStatusSuccess;
}
void DevicePluginSystemMonitor::deviceRemoved(Device *device)
{
Q_UNUSED(device)
if (myDevices().isEmpty()) {
hardwareManager()->pluginTimerManager()->unregisterTimer(m_refreshTimer);
m_refreshTimer = nullptr;
}
}
void DevicePluginSystemMonitor::onRefreshTimer()
{
QProcess *p = new QProcess(this);
connect(p, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(onProcessFinished(int,QProcess::ExitStatus)));
p->start("ps", {"-C", "nymead", "-o", "%mem=,vsz=,rss=,pcpu="});
}
void DevicePluginSystemMonitor::onProcessFinished(int exitCode, QProcess::ExitStatus exitStatus)
{
QProcess *p = static_cast<QProcess*>(sender());
p->deleteLater();
if (exitCode != 0 || exitStatus != QProcess::NormalExit) {
qWarning(dcSystemMonitor) << "Error reading process memory usage:" << p->readAllStandardError();
return;
}
QString data = QString(p->readAllStandardOutput().trimmed()).replace(QRegExp("[ ]{2,}"), " ");
QStringList parts = data.split(' ');
if (parts.count() != 4) {
qCWarning(dcSystemMonitor()) << "Unexpected result from ps" << data << parts;
return;
}
bool ok;
qreal percentMem = parts.at(0).toDouble(&ok);
if (!ok) {
qWarning(dcSystemMonitor) << "Failed to parse % memory value to a number:" << parts.at(0);
return;
}
qint64 virtualMem = parts.at(1).toLongLong(&ok);
if (!ok) {
qWarning(dcSystemMonitor) << "Failed to parse virtual memory value to a number:" << parts.at(1);
return;
}
quint64 rssMem = parts.at(2).toLongLong(&ok);
if (!ok) {
qWarning(dcSystemMonitor) << "Failed to parse RSS memory value to a number:" << data;
return;
}
qreal cpuUsage = parts.at(3).toDouble(&ok);
if (!ok) {
qWarning(dcSystemMonitor) << "Failed to parse CPU usage value to a number:" << parts.at(3);
return;
}
foreach (Device *dev, myDevices()) {
dev->setStateValue(systemMonitorRssMemoryStateTypeId, rssMem);
dev->setStateValue(systemMonitorPercentMemoryStateTypeId, percentMem);
dev->setStateValue(systemMonitorVirtualMemoryStateTypeId, virtualMem);
dev->setStateValue(systemMonitorCpuUsageStateTypeId, cpuUsage);
}
}

56
systemmonitor/devicepluginsystemmonitor.h Normal file
View File

@ -0,0 +1,56 @@
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* Copyright (C) 2018 Michael Zanetti <michael.zanetti@guh.io *
* *
* This file is part of nymea. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; If not, see *
* <http://www.gnu.org/licenses/>. *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef DEVICEPLUGINSYSTEMMONITOR_H
#define DEVICEPLUGINSYSTEMMONITOR_H
#include "devices/devicemanager.h"
#include "devices/deviceplugin.h"
#include "plugintimer.h"
#include <QDebug>
#include <QProcess>
#include <QUrlQuery>
class DevicePluginSystemMonitor: public DevicePlugin {
Q_OBJECT
Q_PLUGIN_METADATA(IID "io.nymea.DevicePlugin" FILE "devicepluginsystemmonitor.json")
Q_INTERFACES(DevicePlugin)
public:
explicit DevicePluginSystemMonitor();
~DevicePluginSystemMonitor() override;
Device::DeviceSetupStatus setupDevice(Device *device) override;
void deviceRemoved(Device *device) override;
private slots:
void onRefreshTimer();
void onProcessFinished(int exitCode, QProcess::ExitStatus exitStatus);
private:
PluginTimer *m_refreshTimer = nullptr;
};
#endif // DEVICEPLUGINSYSTEMMONITOR_H

63
systemmonitor/devicepluginsystemmonitor.json Normal file
View File

@ -0,0 +1,63 @@
{
"name": "systemMonitor",
"displayName": "System Monitor",
"id": "908b4f18-dc0c-4940-a6f7-c0c01a2861b8",
"vendors": [
{
"displayName": "nymea",
"name": "nymea",
"id": "2062d64d-3232-433c-88bc-0d33c0ba2ba6",
"deviceClasses": [
{
"id": "a3a15700-c251-4803-a608-0f3ddfcbd7a8",
"name": "systemMonitor",
"displayName": "System monitor",
"interfaces": [ "system" ],
"paramTypes": [ ],
"stateTypes": [
{
"id": "56f8fac2-1021-4b96-bf15-23b21bb85b4c",
"name": "cpuUsage",
"displayName": "CPU usage",
"displayNameEvent": "CPU usage changed",
"type": "double",
"unit": "Percentage",
"defaultValue": 0,
"minValue": 0,
"maxValue": 100
},
{
"id": "efe2d520-3b35-4668-b6f5-db3df0c8bf0d",
"name": "percentMemory",
"displayName": "memory usage",
"displayNameEvent": "memory usage changed",
"type": "double",
"unit": "Percentage",
"defaultValue": 0,
"minValue": 0,
"maxValue": 100
},
{
"id": "d9671ee3-51be-4cf8-8601-125c0684aec9",
"name": "rssMemory",
"displayName": "RSS memory usage",
"displayNameEvent": "RSS memory usage changed",
"type": "int",
"unit": "KiloByte",
"defaultValue": 0
},
{
"id": "6d71b001-c7fe-4f08-941d-47009b710d94",
"name": "virtualMemory",
"displayName": "virtual memory usage",
"displayNameEvent": "virtual memory usage changed",
"type": "int",
"unit": "KiloByte",
"defaultValue": 0
}
]
}
]
}
]
}

9
systemmonitor/systemmonitor.pro Normal file
View File

@ -0,0 +1,9 @@
include(../plugins.pri)
TARGET = $$qtLibraryTarget(nymea_devicepluginsystemmonitor)
SOURCES += \
devicepluginsystemmonitor.cpp \
HEADERS += \
devicepluginsystemmonitor.h \

4
systemmonitor/translations/908b4f18-dc0c-4940-a6f7-c0c01a2861b8-en_US.ts Normal file
View File

@ -0,0 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE TS>
<TS version="2.1">
</TS>

4
systemmonitor/translations/b82bce59-59bf-48b3-b781-54a6f45800f3-en_US.ts Normal file
View File

@ -0,0 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE TS>
<TS version="2.1">
</TS>