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Simon Quigley 7 years ago
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35
.github/ISSUE_TEMPLATE.md vendored
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<!--- Provide a general summary of the issue in the Title above -->
<!--- You could delete sections and/or questions irrelevant to your report --->
##### Expected Behavior
<!--- If you're describing a bug, tell us what should happen -->
<!--- If you're suggesting a change/improvement, tell us how it should work -->
##### Current Behavior
<!--- If describing a bug, tell us what happens instead of the expected behavior -->
<!--- If suggesting a change/improvement, explain the difference from current behavior -->
##### Possible Solution
<!--- Not obligatory, but suggest a fix/reason for the bug, -->
<!--- or ideas how to implement the addition or change -->
##### Steps to Reproduce (for bugs)
<!--- Provide a link to a live example, or an unambiguous set of steps to -->
<!--- reproduce this bug. Include code to reproduce, if relevant -->
1.
2.
3.
4.
##### Context
<!--- How has this issue affected you? What are you trying to accomplish? -->
<!--- Providing context helps us come up with a solution that is most useful in the real world -->
##### System Information
<!--- Include as many relevant details about the system you experienced the bug in -->
* Distribution & Version:
* Kernel:
* Qt Version:
* libqtxdg Version:
* lxde-build-tools Version:
* Package version:

11
AUTHORS
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Upstream Authors:
LXQt team: http://lxqt.org
Razor team: http://razor-qt.org
Kuzma Shapran <kuzma.shapran@gmail.com>
Copyright:
Copyright (c) 2012 Razor team
Copyright (c) 2012-2017 LXQt team
License: LGPL-2.1+
The full text of the licenses can be found in the 'COPYING' file.

100
CHANGELOG
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libsysstat-0.4.0 / 2017-09-23
=============================
* correct spelling mistake
* bump version and needed version of lxqt-build-tools
* liblxqt make no sense here
* Copied issue template
* Drops Qt5Core_VERSION_STRING
* Fixes (#17)
* Bump years
0.3.3 / 2016-12-11
==================
* Release 0.3.3: Update changelog
* Bump patch version to 3
* Simplify include_directories and compile definitions
* Adds Building project name and Qt version message
* Adds a minimum Qt minimum version requirement
* README.md: Add build dependency lxqt-build-tools
* Use the lxqt-build-tools LXQtCreatePkgConfigFile
* Use the lxqt-build-tools LXQtCreatePortableHeaders module
* Use the new lxqt-build-tools package
* Remove cpack (#14)
0.3.2 / 2016-09-17
==================
* Release 0.3.2: Add changelog
* Bump version to 0.3.2
* Add README.md
* fixes lxde/libsysstat/issues/11
* Bump year and change listed licenses
* Fix rare file descriptor leak in readAllFile()
0.3.1 / 2015-10-31
==================
* Release 0.3.1
* Remove duplicate LICENSE file
* Remove leftover translation comments
* Fix license file
* Add release script
* Handles CMake policy CMP0063
* Uses a local copy of LXQCompilerSettings
* CMake: Adds Runtime and Devel install COMPONENTs
* Use target_compile_definitions()
* Use CMAKE_INCLUDE_CURRENT_DIR
* Use GNUInstallDirs
* Coding style cleanups
* Disables translations support
* Use CMAKE_AUTOMOC, drops qt5_wrap_cpp()
* Adapts the buildsystem to use CMake Targets
* Fix warnings about using uninitialized variables
* - Bump missing versioning
0.3.0 / 2014-10-21
==================
* Adds the Requires field to the .pc confile file
* Generate .pc file with the proper version value
* Clean up CMakeLists.txt, drop Qt4 support
0.2.0 / 2014-10-19
==================
* Release 0.2.0
* simplify QT switching, use ENV
* Use QString::fromLatin1() instead of QString::fromAscii()
* Adapt the build system to handle Qt4 and Qt5
* Improve FreeBSD support
0.1.0 / 2014-04-29
==================
* Update AUTHORS and COPYING
* Add CPack rules for creating tarball
* Don't append library suffix to library install path, but use it by default
* Allow installation path configuration with standard CMake X_INSTALL_DIR
* Retain old CMAKE_CXX_FLAGS while setting visibility.
* Install cmake files.
* Use gcc visibility to avoid unecessary symbol exports.
* Make the lib buildable independently. Fix AUTHORS file.
* Add COPYING and AUTHORS files
* libraries: Removes unneeded include(RazorLibSuffix)
* libraries: Removes unneeded cmake_minimum_required(VERSION 2.6)
* libraries: Removes unneeded find_package(Qt4)
* Style follows the Coding Standard
* Sysstat lib: version number functions renamed to avoid conflicts
* SysStat: license updated & unused files removed
* Time zone list built from ICU
* SysStat lib: Better CPU stat handling (possible fix for issue #480)
* Revert "Sysstat lib: default c-tors fixed (issue #480)"
* Sysstat lib: default c-tors fixed (issue #480)
* Relicensing again
* Parent folder added for inclusion
* Relicensing
* code style is up to Coding Standards
* SysStat library and plugin

182
CMakeLists.txt
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cmake_minimum_required(VERSION 3.0.2 FATAL_ERROR)
project(libsysstat)
set(MAJOR_VERSION 0)
set(MINOR_VERSION 4)
set(PATCH_VERSION 0)
set(SYSSTAT_VERSION "${MAJOR_VERSION}.${MINOR_VERSION}.${PATCH_VERSION}")
set(LXQTBT_MINIMUM_VERSION "0.4.0")
set(QT_MINIMUM_VERSION "5.4.2")
# additional cmake files
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
find_package(lxqt-build-tools ${LXQTBT_MINIMUM_VERSION} REQUIRED)
find_package(Qt5Core ${QT_MINIMUM_VERSION} REQUIRED)
message(STATUS "Building ${PROJECT_NAME} with Qt ${Qt5Core_VERSION}")
include(CMakePackageConfigHelpers)
include(GNUInstallDirs) # Standard directories for installation
include(LXQtCreatePkgConfigFile)
include(LXQtCreatePortableHeaders)
include(LXQtCompilerSettings NO_POLICY_SCOPE)
set(CMAKE_AUTOMOC ON)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(SYSSTAT_LIBRARY_NAME "sysstat-qt5")
set(HEADER_NAMESPACE "SysStat")
set(SYSSTAT_PUBLIC_HDRS
version.h
sysstat_global.h
basestat.h
cpustat.h
memstat.h
netstat.h
)
set(SYSSTAT_PUBLIC_CLASSES
Version
Global
BaseStat
CpuStat
MemStat
NetStat
)
set(SYSSTAT_PRIVATE_HDRS
version_p.h
basestat_p.h
cpustat_p.h
memstat_p.h
netstat_p.h
)
set(SYSSTAT_SRCS
version.cpp
basestat.cpp
cpustat.cpp
memstat.cpp
netstat.cpp
)
set(SYSSTAT_QM_FILES "")
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif()
set(APP_SHARE_DIR "${CMAKE_INSTALL_DATAROOTDIR}/${SYSSTAT_LIBRARY_NAME}")
add_library(${SYSSTAT_LIBRARY_NAME}
SHARED
${SYSSTAT_PUBLIC_HDRS}
${SYSSTAT_PRIVATE_HDRS}
${SYSSTAT_SRCS}
${SYSSTAT_QM_FILES}
)
target_link_libraries(${SYSSTAT_LIBRARY_NAME} Qt5::Core)
set_target_properties(${SYSSTAT_LIBRARY_NAME} PROPERTIES
VERSION ${SYSSTAT_VERSION}
SOVERSION ${MAJOR_VERSION}
)
target_compile_definitions(${SYSSTAT_LIBRARY_NAME}
PRIVATE
"MAJOR_VERSION=${MAJOR_VERSION}"
"MINOR_VERSION=${MINOR_VERSION}"
"PATCH_VERSION=${PATCH_VERSION}"
"SYSSTAT_LIBRARY"
)
target_include_directories(${SYSSTAT_LIBRARY_NAME}
INTERFACE
"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/${SYSSTAT_LIBRARY_NAME}>"
"$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/include/${SYSSTAT_LIBRARY_NAME}>"
)
lxqt_create_portable_headers(SYSSTAT_NAMESPACE_HEADERS
PATH_PREFIX ".."
HEADER_NAMES ${SYSSTAT_PUBLIC_CLASSES}
)
foreach(h ${SYSSTAT_NAMESPACE_HEADERS})
get_filename_component(bh ${h} NAME)
configure_file("${h}" "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/include/${SYSSTAT_LIBRARY_NAME}/${HEADER_NAMESPACE}/${bh}" COPYONLY)
endforeach()
foreach(h ${SYSSTAT_PUBLIC_HDRS})
get_filename_component(bh ${h} NAME)
configure_file("${h}" "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/include/${SYSSTAT_LIBRARY_NAME}/${bh}" COPYONLY)
endforeach()
install(TARGETS
${SYSSTAT_LIBRARY_NAME}
DESTINATION "${CMAKE_INSTALL_LIBDIR}" EXPORT ${SYSSTAT_LIBRARY_NAME}-targets
COMPONENT Runtime
)
install(FILES
${SYSSTAT_PUBLIC_HDRS}
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${SYSSTAT_LIBRARY_NAME}"
COMPONENT Devel
)
install(FILES
${SYSSTAT_NAMESPACE_HEADERS}
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${SYSSTAT_LIBRARY_NAME}/${HEADER_NAMESPACE}"
COMPONENT Devel
)
#install(FILES ${SYSSTAT_QM_FILES} DESTINATION "${APP_SHARE_DIR}")
export(TARGETS
${SYSSTAT_LIBRARY_NAME}
FILE "${CMAKE_BINARY_DIR}/${SYSSTAT_LIBRARY_NAME}-targets.cmake"
)
lxqt_create_pkgconfig_file(
PACKAGE_NAME ${SYSSTAT_LIBRARY_NAME}
DESCRIPTIVE_NAME ${SYSSTAT_LIBRARY_NAME}
DESCRIPTION "SysStat, a Qt-based interface to system statistics"
INCLUDEDIRS ${SYSSTAT_LIBRARY_NAME}
LIBS ${SYSSTAT_LIBRARY_NAME}
REQUIRES "Qt5Core"
VERSION ${SYSSTAT_VERSION}
INSTALL
)
# cmake config file
set(SYSSTAT_INCLUDE_DIR "${CMAKE_INSTALL_PREFIX}/include/${SYSSTAT_LIBRARY_NAME}")
configure_package_config_file(
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/sysstat-config.cmake.in"
"${CMAKE_BINARY_DIR}/${SYSSTAT_LIBRARY_NAME}-config.cmake"
INSTALL_DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/cmake/${SYSSTAT_LIBRARY_NAME}"
)
# cmake version config file
write_basic_package_version_file(
"${CMAKE_BINARY_DIR}/${SYSSTAT_LIBRARY_NAME}-config-version.cmake"
VERSION ${MAJOR_VERSION}.${MINOR_VERSION}.${PATCH_VERSION}
COMPATIBILITY AnyNewerVersion
)
install(FILES
"${CMAKE_BINARY_DIR}/${SYSSTAT_LIBRARY_NAME}-config.cmake"
"${CMAKE_BINARY_DIR}/${SYSSTAT_LIBRARY_NAME}-config-version.cmake"
DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/cmake/${SYSSTAT_LIBRARY_NAME}"
COMPONENT Devel
)
install(EXPORT
${SYSSTAT_LIBRARY_NAME}-targets
DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/cmake/${SYSSTAT_LIBRARY_NAME}"
COMPONENT Devel
)

458
COPYING
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GNU LESSER GENERAL PUBLIC LICENSE
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refrain entirely from distribution of the Library.
If any portion of this section is held invalid or unenforceable under any
particular circumstance, the balance of the section is intended to apply,
and the section as a whole is intended to apply in other circumstances.
It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
12. If the distribution and/or use of the Library is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Library under this License may add
an explicit geographical distribution limitation excluding those countries,
so that distribution is permitted only in or among countries not thus
excluded. In such case, this License incorporates the limitation as if
written in the body of this License.
13. The Free Software Foundation may publish revised and/or new
versions of the Lesser General Public License from time to time.
Such new versions will be similar in spirit to the present version,
but may differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the Library
specifies a version number of this License which applies to it and
"any later version", you have the option of following the terms and
conditions either of that version or of any later version published by
the Free Software Foundation. If the Library does not specify a
license version number, you may choose any version ever published by
the Free Software Foundation.
14. If you wish to incorporate parts of the Library into other free
programs whose distribution conditions are incompatible with these,
write to the author to ask for permission. For software which is
copyrighted by the Free Software Foundation, write to the Free
Software Foundation; we sometimes make exceptions for this. Our
decision will be guided by the two goals of preserving the free status
of all derivatives of our free software and of promoting the sharing
and reuse of software generally.
NO WARRANTY
15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR
OTHER PARTIES PROVIDE THE LIBRARY "AS IS" WITHOUT WARRANTY OF ANY
KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE
LIBRARY IS WITH YOU. SHOULD THE LIBRARY PROVE DEFECTIVE, YOU ASSUME
THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN
WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY
AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU
FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES.
END OF TERMS AND CONDITIONS

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README.md
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# libsysstat
## Overview
libsysstat is a library to query system information like CPU and memory usage or network traffic. Conceptually it's roughly similar to [libstatgrab](https://www.i-scream.org/libstatgrab), a third-party library used by LXQt as well.
It is maintained by the LXQt project but can be used independently from this desktop environment, too. As for LXQt libsysstat is used by plugin-sysstat of lxqt-panel and hence an optional dependency of the latter.
Note replacing both libsysstat and libstatgrab in LXQt by KDE Frameworks components is being considered but a final decision hasn't been made yet, see https://github.com/lxde/lxqt/issues/704.
## Installation
### Sources
The only runtime dependency is qtbase. To build CMake and [lxqt-build-tools](https://github.com/lxde/lxqt-build-tools) are needed in addition, as well as optionally Git to pull latest VCS checkouts.
Code configuration is handled by CMake. CMake variable `CMAKE_INSTALL_PREFIX` will normally have to be set to `/usr`, depending on the way library paths are dealt with on 64bit systems variables like `CMAKE_INSTALL_LIBDIR` may have to be set as well.
To build run `make`, to install `make install` which accepts variable `DESTDIR` as usual.
### Binary packages
The library is provided by all major Linux distributions like Arch Linux, Debian, Fedora and openSUSE.
Just use the distributions' package managers to search for string `libsysstat`.

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basestat.cpp
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#include <fcntl.h>
#include <unistd.h>
#include <cstddef>
#include "basestat.h"
#include "basestat_p.h"
namespace SysStat {
BaseStatPrivate::BaseStatPrivate(BaseStat* parent)
: QObject(parent)
, mTimer(new QTimer(this))
, mSynchroTimer(new QTimer(this))
{
mTimer->setSingleShot(false);
mSynchroTimer->setSingleShot(false);
connect(mSynchroTimer, SIGNAL(timeout()), SLOT(synchroTimeout()));
}
BaseStatPrivate::~BaseStatPrivate()
{
}
bool BaseStatPrivate::timerIsActive() const
{
return mTimer->isActive();
}
int BaseStatPrivate::updateInterval() const
{
return mTimer->interval();
}
void BaseStatPrivate::intervalChanged()
{
}
void BaseStatPrivate::sourceChanged()
{
}
void BaseStatPrivate::setUpdateInterval(int msec)
{
mTimer->stop();
mTimer->setInterval(msec);
this->intervalChanged();
mSynchroTimer->setInterval(msec / 10);
if (msec > 0)
{
mLastSynchro = 0;
mSynchroTimer->start();
}
}
void BaseStatPrivate::synchroTimeout()
{
QTime now(QTime::currentTime());
int synchro = ((now.minute() * 60 + now.second()) * 1000 + now.msec() ) / mTimer->interval();
if ((mLastSynchro != 0) && (mLastSynchro != synchro))
{
mSynchroTimer->stop();
mTimer->start();
}
mLastSynchro = synchro;
}
void BaseStatPrivate::stopUpdating()
{
mTimer->stop();
}
QString BaseStatPrivate::monitoredSource() const
{
return mSource;
}
void BaseStatPrivate::setMonitoredSource(const QString &Source)
{
mSource = Source;
this->sourceChanged();
}
void BaseStatPrivate::monitorDefaultSource()
{
mSource = defaultSource();
}
QString BaseStatPrivate::readAllFile(const char *filename)
{
QString result;
static const size_t bufferSize = 1 << 12; // 4096
static char buffer[bufferSize];
int fd = ::open(filename, O_RDONLY);
if (fd > -1)
{
ssize_t size = ::read(fd, buffer, bufferSize);
::close(fd);
if (size > 0)
result = QString::fromLatin1(buffer, size);
}
return result;
}
QStringList BaseStatPrivate::sources() const
{
return mSources;
}
BaseStat::BaseStat(QObject *parent)
: QObject(parent)
{
}
BaseStat::~BaseStat()
{
}
QStringList BaseStat::sources() const
{
return baseimpl->sources();
}
int BaseStat::updateInterval() const
{
return baseimpl->updateInterval();
}
void BaseStat::setUpdateInterval(int msec)
{
if ((updateInterval() != msec) || (!baseimpl->timerIsActive()))
{
baseimpl->setUpdateInterval(msec);
emit updateIntervalChanged(msec);
}
}
void BaseStat::stopUpdating()
{
if (updateInterval() != 0)
{
baseimpl->stopUpdating();
emit updateIntervalChanged(0);
}
}
QString BaseStat::monitoredSource() const
{
return baseimpl->monitoredSource();
}
void BaseStat::setMonitoredSource(const QString &source)
{
if (monitoredSource() != source)
{
baseimpl->setMonitoredSource(source);
emit monitoredSourceChanged(source);
}
}
void BaseStat::monitorDefaultSource()
{
QString oldSource = monitoredSource();
baseimpl->monitorDefaultSource();
if (monitoredSource() != oldSource)
emit monitoredSourceChanged(monitoredSource());
}
}

75
basestat.h
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#ifndef LIBSYSSTAT__BASE_STAT__INCLUDED
#define LIBSYSSTAT__BASE_STAT__INCLUDED
#include <QtCore/QObject>
#include <QtCore/QString>
#include <QtCore/QStringList>
#include "sysstat_global.h"
namespace SysStat {
class BaseStatPrivate;
class SYSSTATSHARED_EXPORT BaseStat : public QObject
{
Q_OBJECT
public:
BaseStat(QObject *parent = NULL);
~BaseStat();
QStringList sources() const;
signals:
void updateIntervalChanged(int);
void monitoredSourceChanged(QString);
public:
Q_PROPERTY(int updateInterval READ updateInterval WRITE setUpdateInterval RESET stopUpdating NOTIFY updateIntervalChanged)
Q_PROPERTY(QString monitoredSource READ monitoredSource WRITE setMonitoredSource RESET monitorDefaultSource NOTIFY monitoredSourceChanged)
public slots:
int updateInterval() const;
void setUpdateInterval(int msec);
void stopUpdating();
QString monitoredSource() const;
void setMonitoredSource(const QString &Source);
void monitorDefaultSource();
protected:
BaseStatPrivate* baseimpl;
};
}
#endif //LIBSYSSTAT__BASE_STAT__INCLUDED

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basestat_p.h
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#ifndef LIBSYSSTAT__BASE_STAT__PRIVATE__INCLUDED
#define LIBSYSSTAT__BASE_STAT__PRIVATE__INCLUDED
#include <QtCore/QObject>
#include <QtCore/QtGlobal>
#include <QtCore/QTimer>
#include <QtCore/QTime>
#include <QtCore/QStringList>
#include "cpustat.h"
namespace SysStat {
class BaseStatPrivate : public QObject
{
Q_OBJECT
public:
BaseStatPrivate(BaseStat *parent = NULL);
~BaseStatPrivate();
QStringList sources() const;
bool timerIsActive() const;
int updateInterval() const;
void setUpdateInterval(int msec);
void stopUpdating();
QString monitoredSource() const;
void setMonitoredSource(const QString &Source);
void monitorDefaultSource();
private slots:
void synchroTimeout();
protected:
virtual QString defaultSource() = 0;
QString readAllFile(const char *filename);
QTimer *mTimer;
QTimer *mSynchroTimer;
QString mSource;
QStringList mSources;
int mLastSynchro;
virtual void intervalChanged();
virtual void sourceChanged();
};
}
#endif //LIBSYSSTAT__BASE_STAT__PRIVATE__INCLUDED

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cmake/sysstat-config.cmake.in
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# - Find the sysstat include and library dirs and define a some macros
#
# The module defines the following variables
#
# SYSSTAT_FOUND - Set to TRUE if all of the above has been found
@PACKAGE_INIT@
set(SYSSTAT_MAJOR_VERSION @MAJOR_VERSION@)
set(SYSSTAT_MINOR_VERSION @MINOR_VERSION@)
set(SYSSTAT_PATCH_VERSION @PATCH_VERSION@)
set(SYSSTAT_VERSION @SYSSTAT_VERSION@)
include(CMakeFindDependencyMacro)
find_dependency(Qt5Core @QT_MINIMUM_VERSION@)
if (CMAKE_VERSION VERSION_GREATER 2.8.12)
cmake_policy(SET CMP0024 OLD)
endif()
include("${CMAKE_CURRENT_LIST_DIR}/@SYSSTAT_LIBRARY_NAME@-targets.cmake")

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cpustat.cpp
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#include <unistd.h>
#include "cpustat.h"
#include "cpustat_p.h"
namespace SysStat {
CpuStatPrivate::CpuStatPrivate(CpuStat *parent)
: BaseStatPrivate(parent)
, mMonitoring(CpuStat::LoadAndFrequency)
{
mSource = defaultSource();
connect(mTimer, SIGNAL(timeout()), SLOT(timeout()));
mUserHz = sysconf(_SC_CLK_TCK);
updateSources();
}
void CpuStatPrivate::addSource(const QString &source)
{
bool ok;
uint min = readAllFile(qPrintable(QString("/sys/devices/system/cpu/%1/cpufreq/scaling_min_freq").arg(source))).toUInt(&ok);
if (ok)
{
uint max = readAllFile(qPrintable(QString("/sys/devices/system/cpu/%1/cpufreq/scaling_max_freq").arg(source))).toUInt(&ok);
if (ok)
mBounds[source] = qMakePair(min, max);
}
}
void CpuStatPrivate::updateSources()
{
mSources.clear();
foreach (const QString &row, readAllFile("/proc/stat").split(QChar('\n'), QString::SkipEmptyParts))
{
QStringList tokens = row.split(QChar(' '), QString::SkipEmptyParts);
if( (tokens.size() < 5)
|| (!tokens[0].startsWith("cpu")) )
continue;
mSources.append(tokens[0]);
}
mBounds.clear();
bool ok;
foreach (const QString &range, readAllFile("/sys/devices/system/cpu/online").split(QChar(','), QString::SkipEmptyParts))
{
int dash = range.indexOf('-');
if (dash != -1)
{
uint min = range.leftRef(dash).toUInt(&ok);
if (ok)
{
uint max = range.midRef(dash + 1).toUInt(&ok);
if (ok)
for (uint number = min; number <= max; ++number)
addSource(QString("cpu%1").arg(number));
}
}
else
{
uint number = range.toUInt(&ok);
if (ok)
addSource(QString("cpu%1").arg(number));
}
}
}
CpuStatPrivate::~CpuStatPrivate()
{
}
void CpuStatPrivate::intervalChanged()
{
recalculateMinMax();
}
void CpuStatPrivate::sourceChanged()
{
recalculateMinMax();
}
void CpuStatPrivate::recalculateMinMax()
{
int cores = 1;
if (mSource == "cpu")
cores = mSources.size() - 1;
mIntervalMin = static_cast<float>(mTimer->interval()) / 1000 * static_cast<float>(mUserHz) * static_cast<float>(cores) / 1.25; // -25%
mIntervalMax = static_cast<float>(mTimer->interval()) / 1000 * static_cast<float>(mUserHz) * static_cast<float>(cores) * 1.25; // +25%
}
void CpuStatPrivate::timeout()
{
if ( (mMonitoring == CpuStat::LoadOnly)
|| (mMonitoring == CpuStat::LoadAndFrequency) )
{
foreach (const QString &row, readAllFile("/proc/stat").split(QChar('\n'), QString::SkipEmptyParts))
{
if (!row.startsWith("cpu"))
continue;
if (row.startsWith(mSource + " "))
{
QStringList tokens = row.split(QChar(' '), QString::SkipEmptyParts);
if (tokens.size() < 5)
continue;
Values current;
current.user = tokens[1].toULongLong();
current.nice = tokens[2].toULongLong();
current.system = tokens[3].toULongLong();
current.idle = tokens[4].toULongLong();
current.other = 0;
int m = tokens.size();
for (int i = 5; i < m; ++i)
current.other += tokens[i].toULongLong();
current.sum();
float sumDelta = static_cast<float>(current.total - mPrevious.total);
if ((mPrevious.total != 0) && ((sumDelta < mIntervalMin) || (sumDelta > mIntervalMax)))
{
if (mMonitoring == CpuStat::LoadAndFrequency)
emit update(0.0, 0.0, 0.0, 0.0, 0.0, 0);
else
emit update(0.0, 0.0, 0.0, 0.0);
mPrevious.clear(); // make sure it won't keep crazy values.
}
else
{
if (mMonitoring == CpuStat::LoadAndFrequency)
{
float freqRate = 1.0;
uint freq = 0;
bool ok;
if (mSource == "cpu")
{
uint count = 0;
freqRate = 0.0;
for (Bounds::ConstIterator I = mBounds.constBegin(); I != mBounds.constEnd(); ++I)
{
uint thisFreq = readAllFile(qPrintable(QString("/sys/devices/system/cpu/%1/cpufreq/scaling_cur_freq").arg(I.key()))).toUInt(&ok);
if (ok)
{
freq += thisFreq;
freqRate += static_cast<float>(thisFreq) / static_cast<float>(I.value().second);
++count;
}
}
if (!count)
freqRate = 1.0;
else
{
freq /= count;
freqRate /= count;
}
}
else
{
freq = readAllFile(qPrintable(QString("/sys/devices/system/cpu/%1/cpufreq/scaling_cur_freq").arg(mSource))).toUInt(&ok);
if (ok)
{
Bounds::ConstIterator I = mBounds.constFind(mSource);
if (I != mBounds.constEnd())
freqRate = static_cast<float>(freq) / static_cast<float>(I.value().second);
}
}
emit update(
static_cast<float>(current.user - mPrevious.user ) / sumDelta,
static_cast<float>(current.nice - mPrevious.nice ) / sumDelta,
static_cast<float>(current.system - mPrevious.system) / sumDelta,
static_cast<float>(current.other - mPrevious.other ) / sumDelta,
freqRate,
freq);
}
else
{
emit update(
static_cast<float>(current.user - mPrevious.user ) / sumDelta,
static_cast<float>(current.nice - mPrevious.nice ) / sumDelta,
static_cast<float>(current.system - mPrevious.system) / sumDelta,
static_cast<float>(current.other - mPrevious.other ) / sumDelta);
}
mPrevious = current;
}
}
}
}
else
{
bool ok;
uint freq = 0;
if (mSource == "cpu")
{
uint count = 0;
for (Bounds::ConstIterator I = mBounds.constBegin(); I != mBounds.constEnd(); ++I)
{
uint thisFreq = readAllFile(qPrintable(QString("/sys/devices/system/cpu/%1/cpufreq/scaling_cur_freq").arg(I.key()))).toUInt(&ok);
if (ok)
{
freq += thisFreq;
++count;
}
}
if (count)
{
freq /= count;
}
}
else
{
freq = readAllFile(qPrintable(QString("/sys/devices/system/cpu/%1/cpufreq/scaling_cur_freq").arg(mSource))).toUInt(&ok);
}
emit update(freq);
}
}
QString CpuStatPrivate::defaultSource()
{
return "cpu";
}
CpuStatPrivate::Values::Values()
: user(0)
, nice(0)
, system(0)
, idle(0)
, other(0)
, total(0)
{
}
void CpuStatPrivate::Values::sum()
{
total = user + nice + system + idle + other;
}
void CpuStatPrivate::Values::clear()
{
total = user = nice = system = idle = other = 0;
}
CpuStat::Monitoring CpuStatPrivate::monitoring() const
{
return mMonitoring;
}
void CpuStatPrivate::setMonitoring(CpuStat::Monitoring value)
{
mPrevious.clear();
mMonitoring = value;
}
CpuStat::CpuStat(QObject *parent)
: BaseStat(parent)
{
impl = new CpuStatPrivate(this);
baseimpl = impl;
connect(impl, SIGNAL(update(float,float,float,float,float,uint)), this, SIGNAL(update(float,float,float,float,float,uint)));
connect(impl, SIGNAL(update(float,float,float,float)), this, SIGNAL(update(float,float,float,float)));
connect(impl, SIGNAL(update(uint)), this, SIGNAL(update(uint)));
}
CpuStat::~CpuStat()
{
}
void CpuStat::updateSources()
{
dynamic_cast<CpuStatPrivate*>(impl)->updateSources();
}
CpuStat::Monitoring CpuStat::monitoring() const
{
return impl->monitoring();
}
void CpuStat::setMonitoring(CpuStat::Monitoring value)
{
if (impl->monitoring() != value)
{
impl->setMonitoring(value);
emit monitoringChanged(value);
}
}
}

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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#ifndef LIBSYSSTAT__CPU_STAT__INCLUDED
#define LIBSYSSTAT__CPU_STAT__INCLUDED
#include <QtCore/QObject>
#include "basestat.h"
namespace SysStat {
class CpuStatPrivate;
class SYSSTATSHARED_EXPORT CpuStat : public BaseStat
{
Q_OBJECT
Q_ENUMS(Monitoring)
public:
enum Monitoring { LoadAndFrequency, LoadOnly, FrequencyOnly };
public:
CpuStat(QObject *parent = NULL);
~CpuStat();
void updateSources();
uint minFreq(const QString &source) const;
uint maxFreq(const QString &source) const;
signals:
void update(float user, float nice, float system, float other, float frequencyRate, uint frequency);
void update(float user, float nice, float system, float other);
void update(uint frequency);
void monitoringChanged(Monitoring);
public:
Q_PROPERTY(Monitoring monitoring READ monitoring WRITE setMonitoring NOTIFY monitoringChanged)
public slots:
Monitoring monitoring() const;
void setMonitoring(Monitoring value);
protected:
CpuStatPrivate* impl;
};
}
#endif //LIBSYSSTAT__CPU_STAT__INCLUDED

107
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#ifndef LIBSYSSTAT__CPU_STAT__PRIVATE__INCLUDED
#define LIBSYSSTAT__CPU_STAT__PRIVATE__INCLUDED
#include <QtCore/QObject>
#include <QtCore/QtGlobal>
#include <QtCore/QMap>
#include <QtCore/QPair>
#include "basestat_p.h"
#include "cpustat.h"
namespace SysStat {
class CpuStatPrivate : public BaseStatPrivate
{
Q_OBJECT
public:
CpuStatPrivate(CpuStat *parent = NULL);
~CpuStatPrivate();
void updateSources();
CpuStat::Monitoring monitoring() const;
void setMonitoring(CpuStat::Monitoring value);
uint minFreq(const QString &source) const;
uint maxFreq(const QString &source) const;
signals:
void update(float user, float nice, float system, float other);
void update(uint frequency);
void update(float user, float nice, float system, float other, float frequencyRate, uint frequency);
private slots:
void timeout();
protected:
void intervalChanged();
void sourceChanged();
private:
QString defaultSource();
typedef struct Values
{
Values();
qulonglong user;
qulonglong nice;
qulonglong system;
qulonglong idle;
qulonglong other;
qulonglong total;
void sum();
void clear();
} Values;
Values mPrevious;
CpuStat::Monitoring mMonitoring;
typedef QMap<QString, QPair<uint, uint> > Bounds;
Bounds mBounds;
int mUserHz;
void addSource(const QString &source);
float mIntervalMin;
float mIntervalMax;
void recalculateMinMax();
};
}
#endif //LIBSYSSTAT__CPU_STAT__PRIVATE__INCLUDED

118
memstat.cpp
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#include "memstat.h"
#include "memstat_p.h"
namespace SysStat {
MemStatPrivate::MemStatPrivate(MemStat *parent)
: BaseStatPrivate(parent)
{
mSource = defaultSource();
connect(mTimer, SIGNAL(timeout()), SLOT(timeout()));
mSources << "memory" << "swap";
}
MemStatPrivate::~MemStatPrivate()
{
}
void MemStatPrivate::timeout()
{
qulonglong memTotal = 0;
qulonglong memFree = 0;
qulonglong memBuffers = 0;
qulonglong memCached = 0;
qulonglong swapTotal = 0;
qulonglong swapFree = 0;
foreach (const QString &row, readAllFile("/proc/meminfo").split(QChar('\n'), QString::SkipEmptyParts))
{
QStringList tokens = row.split(QChar(' '), QString::SkipEmptyParts);
if (tokens.size() != 3)
continue;
if (tokens[0] == "MemTotal:")
memTotal = tokens[1].toULong();
else if(tokens[0] == "MemFree:")
memFree = tokens[1].toULong();
else if(tokens[0] == "Buffers:")
memBuffers = tokens[1].toULong();
else if(tokens[0] == "Cached:")
memCached = tokens[1].toULong();
else if(tokens[0] == "SwapTotal:")
swapTotal = tokens[1].toULong();
else if(tokens[0] == "SwapFree:")
swapFree = tokens[1].toULong();
}
if (mSource == "memory")
{
if (memTotal)
{
float memTotal_d = static_cast<float>(memTotal);
float applications_d = static_cast<float>(memTotal - memFree - memBuffers - memCached) / memTotal_d;
float buffers_d = static_cast<float>(memBuffers) / memTotal_d;
float cached_d = static_cast<float>(memCached) / memTotal_d;
emit memoryUpdate(applications_d, buffers_d, cached_d);
}
}
else if (mSource == "swap")
{
if (swapTotal)
{
float swapUsed_d = static_cast<float>(swapTotal - swapFree) / static_cast<float>(swapTotal);
emit swapUpdate(swapUsed_d);
}
}
}
QString MemStatPrivate::defaultSource()
{
return "memory";
}
MemStat::MemStat(QObject *parent)
: BaseStat(parent)
{
impl = new MemStatPrivate(this);
baseimpl = impl;
connect(impl, SIGNAL(memoryUpdate(float,float,float)), this, SIGNAL(memoryUpdate(float,float,float)));
connect(impl, SIGNAL(swapUpdate(float)), this, SIGNAL(swapUpdate(float)));
}
MemStat::~MemStat()
{
}
}

58
memstat.h
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#ifndef LIBSYSSTAT__MEM_STAT__INCLUDED
#define LIBSYSSTAT__MEM_STAT__INCLUDED
#include <QtCore/QObject>
#include "basestat.h"
namespace SysStat {
class MemStatPrivate;
class SYSSTATSHARED_EXPORT MemStat : public BaseStat
{
Q_OBJECT
public:
MemStat(QObject *parent = NULL);
~MemStat();
signals:
void memoryUpdate(float apps, float buffers, float cached);
void swapUpdate(float used);
protected:
MemStatPrivate* impl;
};
}
#endif //LIBSYSSTAT__MEM_STAT__INCLUDED

61
memstat_p.h
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#ifndef LIBSYSSTAT__MEM_STAT__PRIVATE__INCLUDED
#define LIBSYSSTAT__MEM_STAT__PRIVATE__INCLUDED
#include <QtCore/QObject>
#include <QtCore/QtGlobal>
#include "basestat_p.h"
#include "memstat.h"
namespace SysStat {
class MemStatPrivate : public BaseStatPrivate
{
Q_OBJECT
public:
MemStatPrivate(MemStat *parent = NULL);
~MemStatPrivate();
signals:
void memoryUpdate(float apps, float buffers, float cached);
void swapUpdate(float used);
private slots:
void timeout();
private:
QString defaultSource();
};
}
#endif //LIBSYSSTAT__MEM_STAT__PRIVATE__INCLUDED

128
netstat.cpp
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#include "netstat.h"
#include "netstat_p.h"
namespace SysStat {
NetStatPrivate::NetStatPrivate(NetStat *parent)
: BaseStatPrivate(parent)
{
mSource = defaultSource();
connect(mTimer, SIGNAL(timeout()), SLOT(timeout()));
QStringList rows(readAllFile("/proc/net/dev").split(QChar('\n'), QString::SkipEmptyParts));
rows.erase(rows.begin(), rows.begin() + 2);
foreach (const QString &row, rows)
{
QStringList tokens = row.split(QChar(':'), QString::SkipEmptyParts);
if (tokens.size() != 2)
continue;
mSources.append(tokens[0].trimmed());
}
}
NetStatPrivate::~NetStatPrivate()
{
}
void NetStatPrivate::timeout()
{
QStringList rows(readAllFile("/proc/net/dev").split(QChar('\n'), QString::SkipEmptyParts));
if (rows.size() < 2)
return;
QStringList names = rows[1].split(QChar('|'));
if (names.size() != 3)
return;
QStringList namesR = names[1].split(QChar(' '), QString::SkipEmptyParts);
QStringList namesT = names[2].split(QChar(' '), QString::SkipEmptyParts);
int receivedIndex = namesR.indexOf("bytes");
int transmittedIndex = namesR.size() + namesT.indexOf("bytes");
rows.erase(rows.begin(), rows.begin() + 2);
foreach (const QString &row, rows)
{
QStringList tokens = row.split(QChar(':'), QString::SkipEmptyParts);
if (tokens.size() != 2)
continue;
QString interfaceName = tokens[0].trimmed();
QStringList data = tokens[1].split(QChar(' '), QString::SkipEmptyParts);
if (data.size() < transmittedIndex)
continue;
Values current;
current.received = data[receivedIndex ].toULongLong();
current.transmitted = data[transmittedIndex].toULongLong();
if (!mPrevious.contains(interfaceName))
mPrevious.insert(interfaceName, Values());
const Values &previous = mPrevious[interfaceName];
if (interfaceName == mSource)
emit update((( current.received - previous.received ) * 1000 ) / mTimer->interval(), (( current.transmitted - previous.transmitted ) * 1000 ) / mTimer->interval());
mPrevious[interfaceName] = current;
}
}
QString NetStatPrivate::defaultSource()
{
return "lo";
}
NetStatPrivate::Values::Values()
: received(0)
, transmitted(0)
{
}
NetStat::NetStat(QObject *parent)
: BaseStat(parent)
{
impl = new NetStatPrivate(this);
baseimpl = impl;
connect(impl, SIGNAL(update(unsigned,unsigned)), this, SIGNAL(update(unsigned,unsigned)));
}
NetStat::~NetStat()
{
}
}

57
netstat.h
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#ifndef LIBSYSSTAT__NET_STAT__INCLUDED
#define LIBSYSSTAT__NET_STAT__INCLUDED
#include <QtCore/QObject>
#include "basestat.h"
namespace SysStat {
class NetStatPrivate;
class SYSSTATSHARED_EXPORT NetStat : public BaseStat
{
Q_OBJECT
public:
NetStat(QObject *parent = NULL);
~NetStat();
signals:
void update(unsigned received, unsigned transmitted);
protected:
NetStatPrivate* impl;
};
}
#endif //LIBSYSSTAT__NET_STAT__INCLUDED

71
netstat_p.h
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#ifndef LIBSYSSTAT__NET_STAT__PRIVATE__INCLUDED
#define LIBSYSSTAT__NET_STAT__PRIVATE__INCLUDED
#include <QtCore/QObject>
#include <QtCore/QtGlobal>
#include <QtCore/QMap>
#include "basestat_p.h"
#include "netstat.h"
namespace SysStat {
class NetStatPrivate : public BaseStatPrivate
{
Q_OBJECT
public:
NetStatPrivate(NetStat *parent = NULL);
~NetStatPrivate();
signals:
void update(unsigned received, unsigned transmitted);
private slots:
void timeout();
private:
QString defaultSource();
typedef struct Values
{
Values();
qulonglong received;
qulonglong transmitted;
} Values;
typedef QMap<QString, Values> NamedValues;
NamedValues mPrevious;
};
}
#endif //LIBSYSSTAT__NET_STAT__PRIVATE__INCLUDED

73
sysstat.pro
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## BEGIN_COMMON_COPYRIGHT_HEADER
## (c)LGPL2+
##
## SysStat is a Qt-based interface to system statistics
##
## Authors:
## Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
##
## 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, write to the Free Software Foundation, Inc.,
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
##
## END_COMMON_COPYRIGHT_HEADER
TARGET = sysstat
DEFINES += SYSSTAT_LIBRARY
TEMPLATE = lib
QT -= gui
isEmpty(MAJOR_VERSION):MAJOR_VERSION = 1
isEmpty(MINOR_VERSION):MINOR_VERSION = 0
VERSION = $${MAJOR_VERSION}.$${MINOR_VERSION}.0
INCLUDEPATH += ..
DEFINES += \
MAJOR_VERSION=$${MAJOR_VERSION} \
MINOR_VERSION=$${MINOR_VERSION}
SOURCES += \
version.cpp \
basestat.cpp \
cpustat.cpp \
memstat.cpp \
netstat.cpp
PUBLIC_HEADERS += \
version.hpp \
sysstat_global.hpp \
basestat.hpp \
cpustat.hpp \
memstat.hpp \
netstat.hpp
PRIVATE_HEADERS += \
version_p.hpp \
basestat_p.hpp \
cpustat_p.hpp \
memstat_p.hpp \
netstat_p.hpp
HEADERS += \
$${PUBLIC_HEADERS} \
$${PRIVATE_HEADERS}
OTHER_FILES += \
COPYING

38
sysstat_global.h
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#ifndef LIBSYSSTAT__SYSSTAT__GLOBAL__INCLUDED
#define LIBSYSSTAT__SYSSTAT__GLOBAL__INCLUDED
#include <QtCore/QtGlobal>
#if defined(SYSSTAT_LIBRARY)
# define SYSSTATSHARED_EXPORT Q_DECL_EXPORT
#else
# define SYSSTATSHARED_EXPORT Q_DECL_IMPORT
#endif
#endif // LIBSYSSTAT__SYSSTAT__GLOBAL__INCLUDED

57
version.cpp
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#include <QtCore/QString>
#include "version_p.h"
namespace SysStat {
namespace version {
QString verbose()
{
return QString("%1.%2.%3").arg(MAJOR_VERSION_STR).arg(MINOR_VERSION_STR).arg(PATCH_VERSION_STR);
}
int majorNumber()
{
return MAJOR_VERSION;
}
int minorNumber()
{
return MINOR_VERSION;
}
int patchNumber()
{
return PATCH_VERSION;
}
}
}

41
version.h
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#ifndef LIBSYSSTAT__VERSION__INCLUDED
#define LIBSYSSTAT__VERSION__INCLUDED
namespace SysStat {
namespace version {
QString verbose();
int majorNumber();
int minorNumber();
int patchNumber();
}
}
#endif // LIBSYSSTAT__VERSION__INCLUDED

38
version_p.h
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
**
** SysStat is a Qt-based interface to system statistics
**
** Authors:
** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
**
** 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, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** END_COMMON_COPYRIGHT_HEADER */
#ifndef LIBSYSSTAT__VERSION__PRIVATE__INCLUDED
#define LIBSYSSTAT__VERSION__PRIVATE__INCLUDED
#define STRINGIFY(x) #x
#define TOSTRING(x) STRINGIFY(x)
#define MAJOR_VERSION_STR TOSTRING(MAJOR_VERSION)
#define MINOR_VERSION_STR TOSTRING(MINOR_VERSION)
#define PATCH_VERSION_STR TOSTRING(PATCH_VERSION)
#endif // LIBSYSSTAT__VERSION__PRIVATE__INCLUDED
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