Moved around OSAL and implemented /proc/net/arp parser

This commit is contained in:
Ziver Koc 2016-09-30 16:57:43 +02:00
parent ab8239a809
commit 1e5e114300
13 changed files with 1160 additions and 941 deletions

5
src/zutil/osal/OSAbstractionLayer.java Normal file → Executable file
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@ -24,9 +24,12 @@
package zutil.osal;
import zutil.osal.linux.OsalLinuxImpl;
import zutil.osal.macos.OsalMacOSImpl;
import zutil.osal.windows.OsalWindowsImpl;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;

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@ -1,33 +1,35 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal;
/**
* Created by Ziver on 2015-04-07.
*/
public class HalLinuxImpl implements HardwareAbstractionLayer{
protected HalLinuxImpl(){}
}
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal.linux;
import zutil.osal.HardwareAbstractionLayer;
/**
* Created by Ziver on 2015-04-07.
*/
public class HalLinuxImpl implements HardwareAbstractionLayer {
protected HalLinuxImpl(){}
}

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@ -1,82 +1,85 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal;
import java.io.File;
/**
* Linux platform specific implementation
*/
public class OsalLinuxImpl extends OSAbstractionLayer {
private static HalLinuxImpl hal;
@Override
public OSType getOSType() {
return OSType.Linux;
}
@Override
public String getOSVersion() {
throw new UnsupportedOperationException();
}
@Override
public String getKernelVersion() {
try{
return super.getFirstLineFromExec("uname -r");
} catch(Exception e){
e.printStackTrace();
}
return null;
}
@Override
public String getUsername() {
try{
return super.getFirstLineFromExec("whoami");
} catch(Exception e){
e.printStackTrace();
}
return null;
}
@Override
public File getUserConfigPath() {
return new File("/home/"+getUsername());
}
@Override
public File getGlobalConfigPath() {
return new File("/etc");
}
@Override
public HardwareAbstractionLayer getHAL() {
if(hal == null)
hal = new HalLinuxImpl();
return hal;
}
}
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal.linux;
import zutil.osal.HardwareAbstractionLayer;
import zutil.osal.OSAbstractionLayer;
import java.io.File;
/**
* Linux platform specific implementation
*/
public class OsalLinuxImpl extends OSAbstractionLayer {
private static HalLinuxImpl hal;
@Override
public OSType getOSType() {
return OSType.Linux;
}
@Override
public String getOSVersion() {
throw new UnsupportedOperationException();
}
@Override
public String getKernelVersion() {
try{
return super.getFirstLineFromExec("uname -r");
} catch(Exception e){
e.printStackTrace();
}
return null;
}
@Override
public String getUsername() {
try{
return super.getFirstLineFromExec("whoami");
} catch(Exception e){
e.printStackTrace();
}
return null;
}
@Override
public File getUserConfigPath() {
return new File("/home/"+getUsername());
}
@Override
public File getGlobalConfigPath() {
return new File("/etc");
}
@Override
public HardwareAbstractionLayer getHAL() {
if(hal == null)
hal = new HalLinuxImpl();
return hal;
}
}

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@ -1,173 +1,173 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal.app.linux;
import zutil.Timer;
import zutil.log.LogUtil;
import zutil.osal.OSAbstractionLayer;
import java.util.HashMap;
import java.util.logging.Logger;
/**
* Created by Ziver on 2014-11-09.
*/
public class AptGet {
public static final Logger log = LogUtil.getLogger();
private static Timer updateTimer = new Timer(1000*60*5); // 5min timer
private static Timer packageTimer = new Timer(1000*60*5); // 5min timer
private static HashMap<String, Package> packages = new HashMap<>();
public static void install(String pkg) {
update();
OSAbstractionLayer.exec("apt-get -y install " + pkg);
packageTimer.reset();
}
public static void upgrade(){
update();
OSAbstractionLayer.exec("apt-get -y " +
// Dont display configuration conflicts
"-o Dpkg::Options::=\"--force-confdef\" -o Dpkg::Options::=\"--force-confold\" " +
"upgrade");
packageTimer.reset();
}
public static void update(){
// Only run every 5 min
if(updateTimer.hasTimedOut()){
OSAbstractionLayer.exec("apt-get update");
updateTimer.start();
}
}
public static void purge(String pkg) {
OSAbstractionLayer.exec("apt-get --purge remove " + pkg);
packageTimer.reset();
}
public static Package getPackage(String pkg){
updatePackages();
return packages.get(pkg);
}
public static synchronized void updatePackages(){
// Only run every 5 min
if(packageTimer.hasTimedOut()){
String[] output = OSAbstractionLayer.exec("dpkg --list");
for(int i=5; i<output.length; ++i) {
packages.put(output[i], new Package(output[5]));
}
packageTimer.start();
}
}
/**
* This class represents a system package and its current status
*/
public static class Package{
public enum PackageState{
// Expected States
/* u */ Unknown,
/* i */ Installed,
/* r */ Removed,
/* p */ Purged, // remove including config files
/* h */ Holding,
// Current States
/* n */ NotInstalled,
/* i */ //Installed,
/* c */ ConfigFiles, // only the config files are installed
/* u */ Unpacked,
/* f */ HalfConfigured, // configuration failed for some reason
/* h */ HalfInstalled, // installation failed for some reason
/* w */ TriggersAwaited, // package is waiting for a trigger from another package
/* t */ TriggersPending, //package has been triggered
// Error States
/* r */ ReinstallRequired // package broken, reinstallation required
}
private PackageState expectedState = PackageState.Unknown;
private PackageState currentState = PackageState.Unknown;;
private PackageState errorState = PackageState.Unknown;;
private String name;
private String version;
private String description;
protected Package(String dpkgStr){
switch (dpkgStr.charAt(0)){
case 'u': expectedState = PackageState.Unknown; break;
case 'i': expectedState = PackageState.Installed; break;
case 'r': expectedState = PackageState.Removed; break;
case 'p': expectedState = PackageState.Purged; break;
case 'h': expectedState = PackageState.Holding; break;
}
switch (dpkgStr.charAt(0)){
case 'n': currentState = PackageState.NotInstalled; break;
case 'i': currentState = PackageState.Installed; break;
case 'c': currentState = PackageState.ConfigFiles; break;
case 'u': currentState = PackageState.Unpacked; break;
case 'f': currentState = PackageState.HalfConfigured; break;
case 'h': currentState = PackageState.HalfInstalled; break;
case 'w': currentState = PackageState.TriggersAwaited; break;
case 't': currentState = PackageState.TriggersPending; break;
}
if(dpkgStr.charAt(2) == 'r')
errorState = PackageState.ReinstallRequired;
String[] tmp = dpkgStr.split("[ \\t]*", 4);
name = tmp[1];
version = tmp[2];
description = tmp[3];
}
public PackageState getExpectedState() {
return expectedState;
}
public PackageState getCurrentState() {
return currentState;
}
public PackageState getErrorState() {
return errorState;
}
public String getName() {
return name;
}
public String getVersion() {
return version;
}
public String getDescription() {
return description;
}
}
}
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal.linux.app;
import zutil.Timer;
import zutil.log.LogUtil;
import zutil.osal.OSAbstractionLayer;
import java.util.HashMap;
import java.util.logging.Logger;
/**
* Created by Ziver on 2014-11-09.
*/
public class AptGet {
public static final Logger log = LogUtil.getLogger();
private static Timer updateTimer = new Timer(1000*60*5); // 5min timer
private static Timer packageTimer = new Timer(1000*60*5); // 5min timer
private static HashMap<String, Package> packages = new HashMap<>();
public static void install(String pkg) {
update();
OSAbstractionLayer.exec("apt-get -y install " + pkg);
packageTimer.reset();
}
public static void upgrade(){
update();
OSAbstractionLayer.exec("apt-get -y " +
// Dont display configuration conflicts
"-o Dpkg::Options::=\"--force-confdef\" -o Dpkg::Options::=\"--force-confold\" " +
"upgrade");
packageTimer.reset();
}
public static void update(){
// Only run every 5 min
if(updateTimer.hasTimedOut()){
OSAbstractionLayer.exec("apt-get update");
updateTimer.start();
}
}
public static void purge(String pkg) {
OSAbstractionLayer.exec("apt-get --purge remove " + pkg);
packageTimer.reset();
}
public static Package getPackage(String pkg){
updatePackages();
return packages.get(pkg);
}
public static synchronized void updatePackages(){
// Only run every 5 min
if(packageTimer.hasTimedOut()){
String[] output = OSAbstractionLayer.exec("dpkg --list");
for(int i=5; i<output.length; ++i) {
packages.put(output[i], new Package(output[5]));
}
packageTimer.start();
}
}
/**
* This class represents a system package and its current status
*/
public static class Package{
public enum PackageState{
// Expected States
/* u */ Unknown,
/* i */ Installed,
/* r */ Removed,
/* p */ Purged, // remove including config files
/* h */ Holding,
// Current States
/* n */ NotInstalled,
/* i */ //Installed,
/* c */ ConfigFiles, // only the config files are installed
/* u */ Unpacked,
/* f */ HalfConfigured, // configuration failed for some reason
/* h */ HalfInstalled, // installation failed for some reason
/* w */ TriggersAwaited, // package is waiting for a trigger from another package
/* t */ TriggersPending, //package has been triggered
// Error States
/* r */ ReinstallRequired // package broken, reinstallation required
}
private PackageState expectedState = PackageState.Unknown;
private PackageState currentState = PackageState.Unknown;;
private PackageState errorState = PackageState.Unknown;;
private String name;
private String version;
private String description;
protected Package(String dpkgStr){
switch (dpkgStr.charAt(0)){
case 'u': expectedState = PackageState.Unknown; break;
case 'i': expectedState = PackageState.Installed; break;
case 'r': expectedState = PackageState.Removed; break;
case 'p': expectedState = PackageState.Purged; break;
case 'h': expectedState = PackageState.Holding; break;
}
switch (dpkgStr.charAt(0)){
case 'n': currentState = PackageState.NotInstalled; break;
case 'i': currentState = PackageState.Installed; break;
case 'c': currentState = PackageState.ConfigFiles; break;
case 'u': currentState = PackageState.Unpacked; break;
case 'f': currentState = PackageState.HalfConfigured; break;
case 'h': currentState = PackageState.HalfInstalled; break;
case 'w': currentState = PackageState.TriggersAwaited; break;
case 't': currentState = PackageState.TriggersPending; break;
}
if(dpkgStr.charAt(2) == 'r')
errorState = PackageState.ReinstallRequired;
String[] tmp = dpkgStr.split("[ \\t]*", 4);
name = tmp[1];
version = tmp[2];
description = tmp[3];
}
public PackageState getExpectedState() {
return expectedState;
}
public PackageState getCurrentState() {
return currentState;
}
public PackageState getErrorState() {
return errorState;
}
public String getName() {
return name;
}
public String getVersion() {
return version;
}
public String getDescription() {
return description;
}
}
}

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@ -1,4 +1,4 @@
package zutil.osal.app.linux;
package zutil.osal.linux.app;
import zutil.Timer;
import zutil.log.LogUtil;

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@ -1,253 +1,260 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal.app.linux;
import zutil.StringUtil;
import zutil.log.LogUtil;
import zutil.net.ThroughputCalculator;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Documentation from https://www.kernel.org/doc/Documentation/block/stat.txt
*
* Created by ezivkoc on 2015-05-19.
*/
public class ProcDiskstats {
private static final Logger log = LogUtil.getLogger();
private static final String PROC_PATH = "/proc/diskstats";
private static final int TTL = 500; // update stats every 0.5 second
private static HashMap<String, HddStats> hdds = new HashMap<String, HddStats>();
private static long updateTimestamp;
private synchronized static void update(){
if(System.currentTimeMillis() - updateTimestamp < TTL)
return;
updateTimestamp = System.currentTimeMillis();
try {
BufferedReader in = new BufferedReader(new FileReader(PROC_PATH));
String line = null;
while((line=in.readLine()) != null){
String[] str = line.trim().split("\\s+", 4);
if(str.length >= 4) {
String devName = str[2];
if(!hdds.containsKey(devName)){
HddStats hdd = new HddStats(devName);
hdds.put(hdd.getDevName(), hdd);
}
hdds.get(devName).update(str[3]);
}
}
in.close();
} catch (IOException e) {
log.log(Level.SEVERE, null, e);
}
}
public static HddStats getStats(String devName){
update();
return hdds.get(devName);
}
public static class HddStats {
private String devName;
//read I/Os requests number of read I/Os processed
private long readIO = -1;
//read merges requests number of read I/Os merged with in-queue I/O
private long readMerges = -1;
//read sectors sectors number of sectors read
private long readSectors = -1;
//read ticks milliseconds total wait time for read requests
private long readTicks = -1;
//write I/Os requests number of write I/Os processed
private long writeIO = -1;
//write merges requests number of write I/Os merged with in-queue I/O
private long writeMerges = -1;
//write sectors sectors number of sectors written
private long writeSectors = -1;
//write ticks milliseconds total wait time for write requests
private long writeTicks = -1;
//in_flight requests number of I/Os currently in flight
private long inFlight = -1;
//io_ticks milliseconds total time this block device has been active
private long ioTicks = -1;
//time_in_queue milliseconds total wait time for all requests
private long timeInQueue = -1;
private ThroughputCalculator readThroughput;
private ThroughputCalculator writeThroughput;
protected HddStats(String devName) {
this.devName = devName;
readThroughput = new ThroughputCalculator();
writeThroughput = new ThroughputCalculator();
}
protected void update(String line){
String[] stats = line.split("\\s+");
if(stats.length >= 11){
readIO = Long.parseLong(stats[0]);
readMerges = Long.parseLong(stats[1]);
readSectors = Long.parseLong(stats[2]);
readTicks = Long.parseLong(stats[3]);
writeIO = Long.parseLong(stats[4]);
writeMerges = Long.parseLong(stats[5]);
writeSectors = Long.parseLong(stats[6]);
writeTicks = Long.parseLong(stats[7]);
inFlight = Long.parseLong(stats[8]);
ioTicks = Long.parseLong(stats[9]);
timeInQueue = Long.parseLong(stats[10]);
readThroughput.setTotalHandledData(readSectors * 512);
writeThroughput.setTotalHandledData(writeSectors * 512);
}
}
public String getDevName() {
return devName;
}
/**
* This values increment when an I/O request completes.
*/
public long getReadIO() {
return readIO;
}
/**
* This value increment when an I/O request is merged with an
* already-queued I/O request.
*/
public long getReadMerges() {
return readMerges;
}
/**
* This value count the number of sectors read from to this
* block device. The "sectors" in question are the standard UNIX 512-byte
* sectors, not any device- or filesystem-specific block size. The
* counter is incremented when the I/O completes.
*/
public long getReadSectors() {
return readSectors;
}
/**
* This value count the number of milliseconds that I/O requests have
* waited on this block device. If there are multiple I/O requests waiting,
* this value will increase at a rate greater than 1000/second; for
* example, if 60 read requests wait for an average of 30 ms, the read_ticks
* field will increase by 60*30 = 1800.
*/
public long getReadTicks() {
return readTicks;
}
/**
* This values increment when an I/O request completes.
*/
public long getWriteIO() {
return writeIO;
}
/**
* This value increment when an I/O request is merged with an
* already-queued I/O request.
*/
public long getWriteMerges() {
return writeMerges;
}
/**
* This value count the number of sectors written to this
* block device. The "sectors" in question are the standard UNIX 512-byte
* sectors, not any device- or filesystem-specific block size. The
* counter is incremented when the I/O completes.
*/
public long getWriteSectors() {
return writeSectors;
}
/**
* This value count the number of milliseconds that I/O requests have
* waited on this block device. If there are multiple I/O requests waiting,
* this value will increase at a rate greater than 1000/second; for
* example, if 60 write requests wait for an average of 30 ms, the write_ticks
* field will increase by 60*30 = 1800.
*/
public long getWriteTicks() {
return writeTicks;
}
/**
* This value counts the number of I/O requests that have been issued to
* the device driver but have not yet completed. It does not include I/O
* requests that are in the queue but not yet issued to the device driver.
*/
public long getInFlight() {
return inFlight;
}
/**
* This value counts the number of milliseconds during which the device has
* had I/O requests queued.
*/
public long getIoTicks() {
return ioTicks;
}
/**
* This value counts the number of milliseconds that I/O requests have waited
* on this block device. If there are multiple I/O requests waiting, this
* value will increase as the product of the number of milliseconds times the
* number of requests waiting (see "read ticks" above for an example).
*/
public long getTimeInQueue() {
return timeInQueue;
}
/**
* @return the average byte/second read throughput from the disk
*/
public double getReadThroughput(){
return readThroughput.getByteThroughput();
}
/**
* @return the average byte/second write throughput to the disk
*/
public double getWriteThroughput(){
return writeThroughput.getByteThroughput();
}
}
public static void main(String[] args){
while(true){
HddStats hdd = ProcDiskstats.getStats("sda");
System.out.println("sda= " +
"read: " + StringUtil.formatByteSizeToString((long)hdd.getReadThroughput()) + "/s "+
"write: " + StringUtil.formatByteSizeToString((long)hdd.getWriteThroughput()) + "/s");
try{Thread.sleep(1000);}catch (Exception e){}
}
}
}
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal.linux.app;
import zutil.StringUtil;
import zutil.Timer;
import zutil.log.LogUtil;
import zutil.net.ThroughputCalculator;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Documentation from https://www.kernel.org/doc/Documentation/block/stat.txt
*
* Created by Ziver on 2015-05-19.
*/
public class ProcDiskstats {
private static final Logger log = LogUtil.getLogger();
private static final String PROC_PATH = "/proc/diskstats";
private static final int TTL = 500; // update stats every 0.5 second
private static HashMap<String, HddStats> hdds = new HashMap<String, HddStats>();
private static Timer updateTimer = new Timer(TTL);
private synchronized static void update(){
if(!updateTimer.hasTimedOut())
return;
try {
BufferedReader in = new BufferedReader(new FileReader(PROC_PATH));
parse(in);
in.close();
} catch (IOException e) {
log.log(Level.SEVERE, null, e);
}
}
protected static void parse(BufferedReader in) throws IOException {
updateTimer.start();
String line = null;
while((line=in.readLine()) != null){
String[] str = line.trim().split("\\s+", 4);
if(str.length >= 4) {
String devName = str[2];
if(!hdds.containsKey(devName)){
HddStats hdd = new HddStats(devName);
hdds.put(hdd.getDevName(), hdd);
}
hdds.get(devName).update(str[3]);
}
}
}
public static HddStats getStats(String devName){
update();
return hdds.get(devName);
}
public static class HddStats {
private String devName;
//read I/Os requests number of read I/Os processed
private long readIO = -1;
//read merges requests number of read I/Os merged with in-queue I/O
private long readMerges = -1;
//read sectors sectors number of sectors read
private long readSectors = -1;
//read ticks milliseconds total wait time for read requests
private long readTicks = -1;
//write I/Os requests number of write I/Os processed
private long writeIO = -1;
//write merges requests number of write I/Os merged with in-queue I/O
private long writeMerges = -1;
//write sectors sectors number of sectors written
private long writeSectors = -1;
//write ticks milliseconds total wait time for write requests
private long writeTicks = -1;
//in_flight requests number of I/Os currently in flight
private long inFlight = -1;
//io_ticks milliseconds total time this block device has been active
private long ioTicks = -1;
//time_in_queue milliseconds total wait time for all requests
private long timeInQueue = -1;
private ThroughputCalculator readThroughput;
private ThroughputCalculator writeThroughput;
protected HddStats(String devName) {
this.devName = devName;
readThroughput = new ThroughputCalculator();
writeThroughput = new ThroughputCalculator();
}
protected void update(String line){
String[] stats = line.split("\\s+");
if(stats.length >= 11){
readIO = Long.parseLong(stats[0]);
readMerges = Long.parseLong(stats[1]);
readSectors = Long.parseLong(stats[2]);
readTicks = Long.parseLong(stats[3]);
writeIO = Long.parseLong(stats[4]);
writeMerges = Long.parseLong(stats[5]);
writeSectors = Long.parseLong(stats[6]);
writeTicks = Long.parseLong(stats[7]);
inFlight = Long.parseLong(stats[8]);
ioTicks = Long.parseLong(stats[9]);
timeInQueue = Long.parseLong(stats[10]);
readThroughput.setTotalHandledData(readSectors * 512);
writeThroughput.setTotalHandledData(writeSectors * 512);
}
}
public String getDevName() {
return devName;
}
/**
* This values increment when an I/O request completes.
*/
public long getReadIO() {
return readIO;
}
/**
* This value increment when an I/O request is merged with an
* already-queued I/O request.
*/
public long getReadMerges() {
return readMerges;
}
/**
* This value count the number of sectors read from to this
* block device. The "sectors" in question are the standard UNIX 512-byte
* sectors, not any device- or filesystem-specific block size. The
* counter is incremented when the I/O completes.
*/
public long getReadSectors() {
return readSectors;
}
/**
* This value count the number of milliseconds that I/O requests have
* waited on this block device. If there are multiple I/O requests waiting,
* this value will increase at a rate greater than 1000/second; for
* example, if 60 read requests wait for an average of 30 ms, the read_ticks
* field will increase by 60*30 = 1800.
*/
public long getReadTicks() {
return readTicks;
}
/**
* This values increment when an I/O request completes.
*/
public long getWriteIO() {
return writeIO;
}
/**
* This value increment when an I/O request is merged with an
* already-queued I/O request.
*/
public long getWriteMerges() {
return writeMerges;
}
/**
* This value count the number of sectors written to this
* block device. The "sectors" in question are the standard UNIX 512-byte
* sectors, not any device- or filesystem-specific block size. The
* counter is incremented when the I/O completes.
*/
public long getWriteSectors() {
return writeSectors;
}
/**
* This value count the number of milliseconds that I/O requests have
* waited on this block device. If there are multiple I/O requests waiting,
* this value will increase at a rate greater than 1000/second; for
* example, if 60 write requests wait for an average of 30 ms, the write_ticks
* field will increase by 60*30 = 1800.
*/
public long getWriteTicks() {
return writeTicks;
}
/**
* This value counts the number of I/O requests that have been issued to
* the device driver but have not yet completed. It does not include I/O
* requests that are in the queue but not yet issued to the device driver.
*/
public long getInFlight() {
return inFlight;
}
/**
* This value counts the number of milliseconds during which the device has
* had I/O requests queued.
*/
public long getIoTicks() {
return ioTicks;
}
/**
* This value counts the number of milliseconds that I/O requests have waited
* on this block device. If there are multiple I/O requests waiting, this
* value will increase as the product of the number of milliseconds times the
* number of requests waiting (see "read ticks" above for an example).
*/
public long getTimeInQueue() {
return timeInQueue;
}
/**
* @return the average byte/second read throughput from the disk
*/
public double getReadThroughput(){
return readThroughput.getByteThroughput();
}
/**
* @return the average byte/second write throughput to the disk
*/
public double getWriteThroughput(){
return writeThroughput.getByteThroughput();
}
}
public static void main(String[] args){
while(true){
HddStats hdd = ProcDiskstats.getStats("sda");
System.out.println("sda= " +
"read: " + StringUtil.formatByteSizeToString((long)hdd.getReadThroughput()) + "/s "+
"write: " + StringUtil.formatByteSizeToString((long)hdd.getWriteThroughput()) + "/s");
try{Thread.sleep(1000);}catch (Exception e){}
}
}
}

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@ -0,0 +1,135 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal.linux.app;
import zutil.Timer;
import zutil.converter.Converter;
import zutil.log.LogUtil;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.UnknownHostException;
import java.util.Collection;
import java.util.HashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Makes the Linux ARP cache available as Java api
* <p>
* Created by Ziver on 2015-05-19.
*/
public class ProcNetArp {
private static final Logger logger = LogUtil.getLogger();
private static final String PROC_PATH = "/proc/net/arp";
private static final int TTL = 500; // update stats every 0.5 second
private static HashMap<InetAddress, ArpEntry> arpTable = new HashMap<>();
private static Timer updateTimer = new Timer(TTL);
private synchronized static void update() {
if (!updateTimer.hasTimedOut())
return;
try {
BufferedReader in = new BufferedReader(new FileReader(PROC_PATH));
parse(in);
in.close();
} catch (IOException e) {
logger.log(Level.SEVERE, null, e);
}
}
protected static void parse(BufferedReader in) throws IOException {
updateTimer.start();
String line = null;
in.readLine(); // Skipp headers
while ((line = in.readLine()) != null) {
String[] str = line.split("\\s+");
if (str.length >= 6) {
InetAddress ip = InetAddress.getByName(str[0]);
if (!arpTable.containsKey(ip))
arpTable.put(ip, new ArpEntry());
ArpEntry entry = arpTable.get(ip);
entry.ip = ip;
entry.hwAddress = Converter.hexToByte(str[3].replaceAll(":", ""));
entry.netIf = str[5];
} else
logger.warning(PROC_PATH + " contains unrecognized format");
}
}
public static Collection<ArpEntry> getAllArpEntries() {
update();
return arpTable.values();
}
public static ArpEntry getArpEntry(InetAddress ip) {
update();
return arpTable.get(ip);
}
public static class ArpEntry {
private InetAddress ip;
private byte[] hwAddress;
private String netIf;
public InetAddress getIp() {
return ip;
}
public byte[] getHwAddress() {
return hwAddress;
}
public String getHwAddressString() {
StringBuilder str = new StringBuilder();
for (int i = 0; i < hwAddress.length; i++) {
if (i != 0)
str.append(':');
str.append(Converter.toHexString(hwAddress[i]));
}
return str.toString();
}
public String getNetworkInterface() {
return netIf;
}
}
public static void main(String[] args) {
for (ArpEntry entry : getAllArpEntries()) {
System.out.println(entry.getIp().getHostAddress() + " => " + entry.getHwAddressString());
}
}
}

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@ -1,208 +1,214 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal.app.linux;
import zutil.Timer;
import zutil.log.LogUtil;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Documentation from https://www.kernel.org/doc/Documentation/block/stat.txt
*
* Created by ezivkoc on 2015-05-19.
*/
public class ProcStat {
private static final Logger log = LogUtil.getLogger();
private static final String PROC_PATH = "/proc/stat";
private static final int TTL = 500; // update stats every 0.5 second
private static CpuStats cpuTotal = new CpuStats();
private static ArrayList<CpuStats> cpus = new ArrayList<CpuStats>();
private static long uptime;
private static long processes;
private static Timer updateTimer = new Timer(TTL);
private synchronized static void update(){
if(updateTimer.hasTimedOut())
return;
updateTimer.start();
try {
BufferedReader in = new BufferedReader(new FileReader(PROC_PATH));
String line = null;
while((line=in.readLine()) != null){
String[] str = line.split("\\s+");
if(str[0].equals("cpu")) {
cpuTotal.update(str);
}
else if(str[0].startsWith("cpu")){
int cpuId = Integer.parseInt(str[0].substring(3));
if(cpus.size() <= cpuId)
cpus.add(new CpuStats());
cpus.get(cpuId).update(str);
}
else if(str[0].startsWith("btime")){
uptime = Long.parseLong(str[1]);
}
else if(str[0].startsWith("processes")){
processes = Long.parseLong(str[1]);
}
}
in.close();
} catch (IOException e) {
log.log(Level.SEVERE, null, e);
}
}
public static CpuStats getTotalCpuStats(){
update();
return cpuTotal;
}
public static Iterator<CpuStats> getCpuStats(){
update();
return cpus.iterator();
}
/**
* @return the time at which the system booted, in seconds since the Unix epoch.
*/
public static long getUptime(){
update();
return uptime;
}
/**
* @return the number of processes and threads created, which includes (but is not limited to) those created by calls to the fork() and clone() system calls.
*/
public static long getProcesses(){
update();
return processes;
}
public static class CpuStats {
// normal processes executing in user mode
private long user;
// processes executing in kernel mode
private long system;
// twiddling thumbs
private long idle;
// waiting for I/O to complete
private long iowait;
private long steal;
// virtual processes
private long guest;
private long total;
// Percentage
private float load_total;
private float load_user;
private float load_system;
private float load_iowait;
private float load_virtual;
protected CpuStats(){}
protected void update(String[] stats){
long newUser=0, newNice=0, newSystem=0, newIdle=0, newIowait=0, newIrq=0, newSoftirq=0, newSteal=0, newGuest=0, newGuestNice=0;
if(stats.length >= 1+8){
newUser = Long.parseLong(stats[1]);
newNice = Long.parseLong(stats[2]);
newSystem = Long.parseLong(stats[3]);
newIdle = Long.parseLong(stats[4]);
newIowait = Long.parseLong(stats[5]);
newIrq = Long.parseLong(stats[6]);
newSoftirq = Long.parseLong(stats[7]);
if(stats.length >= 1+8+3){
newSteal = Long.parseLong(stats[8]);
newGuest = Long.parseLong(stats[9]);
newGuestNice = Long.parseLong(stats[10]);
}
// Summarize
newUser = newUser + newNice - newGuest - newGuestNice;
newSystem = newSystem + newIrq + newSoftirq;
newGuest = newGuest + newGuestNice;
// Calculate the diffs
long userDiff = newUser - user;
long idleDiff = (newIdle + newIowait) - (idle + iowait);
long systemDiff = newSystem - system;
long stealDiff = newSteal - steal;
long virtualDiff = newGuest - guest;
long newTotal = userDiff + systemDiff + idleDiff + stealDiff + virtualDiff;
// Calculate load
load_total = (float)(newTotal-idleDiff)/newTotal;
load_user = (float)userDiff/newTotal;
load_system = (float)systemDiff/newTotal;
load_iowait = (float)(newIowait - iowait)/newTotal;
load_virtual = (float)virtualDiff/newTotal;
// update old values
user = newUser;
system = newSystem;
idle = newIdle;
iowait = newIowait;
steal = newSteal;
guest = newGuest;
total = newTotal;
}
}
public float getTotalLoad() {
return load_total;
}
public float getUserLoad() {
return load_user;
}
public float getSystemLoad() {
return load_system;
}
public float getIOWaitLoad() {
return load_iowait;
}
public float getVirtualLoad() {
return load_virtual;
}
}
public static void main(String[] args){
while(true){
Iterator<CpuStats> it = ProcStat.getCpuStats();
for(int i=0; it.hasNext(); ++i){
CpuStats cpu = it.next();
System.out.print("CPU"+i+": " + cpu.getTotalLoad()+ " ");
}
System.out.println("Total Load: " + ProcStat.getTotalCpuStats().getTotalLoad());
try{Thread.sleep(1000);}catch (Exception e){}
}
}
}
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal.linux.app;
import zutil.Timer;
import zutil.log.LogUtil;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Documentation from https://www.kernel.org/doc/Documentation/block/stat.txt
*
* Created by Ziver on 2015-05-19.
*/
public class ProcStat {
private static final Logger log = LogUtil.getLogger();
private static final String PROC_PATH = "/proc/stat";
private static final int TTL = 500; // update stats every 0.5 second
private static CpuStats cpuTotal = new CpuStats();
private static ArrayList<CpuStats> cpus = new ArrayList<CpuStats>();
private static long uptime;
private static long processes;
private static Timer updateTimer = new Timer(TTL);
private synchronized static void update(){
if(!updateTimer.hasTimedOut())
return;
try {
BufferedReader in = new BufferedReader(new FileReader(PROC_PATH));
parse(in);
in.close();
} catch (IOException e) {
log.log(Level.SEVERE, null, e);
}
}
protected static void parse(BufferedReader in) throws IOException {
updateTimer.start();
String line = null;
while((line=in.readLine()) != null){
String[] str = line.split("\\s+");
if(str[0].equals("cpu")) {
cpuTotal.update(str);
}
else if(str[0].startsWith("cpu")){
int cpuId = Integer.parseInt(str[0].substring(3));
if(cpus.size() <= cpuId)
cpus.add(new CpuStats());
cpus.get(cpuId).update(str);
}
else if(str[0].startsWith("btime")){
uptime = Long.parseLong(str[1]);
}
else if(str[0].startsWith("processes")){
processes = Long.parseLong(str[1]);
}
}
}
public static CpuStats getTotalCpuStats(){
update();
return cpuTotal;
}
public static Iterator<CpuStats> getCpuStats(){
update();
return cpus.iterator();
}
/**
* @return the time at which the system booted, in seconds since the Unix epoch.
*/
public static long getUptime(){
update();
return uptime;
}
/**
* @return the number of processes and threads created, which includes (but is not limited to) those created by calls to the fork() and clone() system calls.
*/
public static long getProcesses(){
update();
return processes;
}
public static class CpuStats {
// normal processes executing in user mode
private long user;
// processes executing in kernel mode
private long system;
// twiddling thumbs
private long idle;
// waiting for I/O to complete
private long iowait;
private long steal;
// virtual processes
private long guest;
private long total;
// Percentage
private float load_total;
private float load_user;
private float load_system;
private float load_iowait;
private float load_virtual;
protected CpuStats(){}
protected void update(String[] stats){
long newUser=0, newNice=0, newSystem=0, newIdle=0, newIowait=0, newIrq=0, newSoftirq=0, newSteal=0, newGuest=0, newGuestNice=0;
if(stats.length >= 1+8){
newUser = Long.parseLong(stats[1]);
newNice = Long.parseLong(stats[2]);
newSystem = Long.parseLong(stats[3]);
newIdle = Long.parseLong(stats[4]);
newIowait = Long.parseLong(stats[5]);
newIrq = Long.parseLong(stats[6]);
newSoftirq = Long.parseLong(stats[7]);
if(stats.length >= 1+8+3){
newSteal = Long.parseLong(stats[8]);
newGuest = Long.parseLong(stats[9]);
newGuestNice = Long.parseLong(stats[10]);
}
// Summarize
newUser = newUser + newNice - newGuest - newGuestNice;
newSystem = newSystem + newIrq + newSoftirq;
newGuest = newGuest + newGuestNice;
// Calculate the diffs
long userDiff = newUser - user;
long idleDiff = (newIdle + newIowait) - (idle + iowait);
long systemDiff = newSystem - system;
long stealDiff = newSteal - steal;
long virtualDiff = newGuest - guest;
long newTotal = userDiff + systemDiff + idleDiff + stealDiff + virtualDiff;
// Calculate load
load_total = (float)(newTotal-idleDiff)/newTotal;
load_user = (float)userDiff/newTotal;
load_system = (float)systemDiff/newTotal;
load_iowait = (float)(newIowait - iowait)/newTotal;
load_virtual = (float)virtualDiff/newTotal;
// update old values
user = newUser;
system = newSystem;
idle = newIdle;
iowait = newIowait;
steal = newSteal;
guest = newGuest;
total = newTotal;
}
}
public float getTotalLoad() {
return load_total;
}
public float getUserLoad() {
return load_user;
}
public float getSystemLoad() {
return load_system;
}
public float getIOWaitLoad() {
return load_iowait;
}
public float getVirtualLoad() {
return load_virtual;
}
}
public static void main(String[] args){
while(true){
Iterator<CpuStats> it = ProcStat.getCpuStats();
for(int i=0; it.hasNext(); ++i){
CpuStats cpu = it.next();
System.out.print("CPU"+i+": " + cpu.getTotalLoad()+ " ");
}
System.out.println("Total Load: " + ProcStat.getTotalCpuStats().getTotalLoad());
try{Thread.sleep(1000);}catch (Exception e){}
}
}
}

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@ -1,39 +1,39 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal.app.linux;
import zutil.osal.OSAbstractionLayer;
/**
* Created by Ziver on 2014-12-23.
*/
public class Ps {
private static OSAbstractionLayer os = OSAbstractionLayer.getInstance();
public static boolean isRunning(int pid){
String[] output = os.exec("ps -p "+pid);
return output.length > 1;
}
}
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal.linux.app;
import zutil.osal.OSAbstractionLayer;
/**
* Created by Ziver on 2014-12-23.
*/
public class Ps {
private static OSAbstractionLayer os = OSAbstractionLayer.getInstance();
public static boolean isRunning(int pid){
String[] output = os.exec("ps -p "+pid);
return output.length > 1;
}
}

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@ -22,9 +22,11 @@
* THE SOFTWARE.
*/
package zutil.osal;
package zutil.osal.macos;
import com.mysql.jdbc.NotImplemented;
import zutil.osal.HardwareAbstractionLayer;
import zutil.osal.OSAbstractionLayer;
import java.io.File;

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@ -1,73 +1,76 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal;
import java.io.File;
/**
* Windows platform specific implementation
*/
public class OsalWindowsImpl extends OSAbstractionLayer {
@Override
public OSType getOSType() {
return OSType.Windows;
}
@Override
public String getOSVersion() {
throw new UnsupportedOperationException();
}
@Override
public String getKernelVersion() {
try {
return getFirstLineFromExec("ver");
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
@Override
public String getUsername() {
throw new UnsupportedOperationException();
}
@Override
public File getUserConfigPath() {
throw new UnsupportedOperationException();
}
@Override
public File getGlobalConfigPath() {
throw new UnsupportedOperationException();
}
@Override
public HardwareAbstractionLayer getHAL() {
throw new UnsupportedOperationException();
}
}
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.osal.windows;
import zutil.osal.HardwareAbstractionLayer;
import zutil.osal.OSAbstractionLayer;
import java.io.File;
/**
* Windows platform specific implementation
*/
public class OsalWindowsImpl extends OSAbstractionLayer {
@Override
public OSType getOSType() {
return OSType.Windows;
}
@Override
public String getOSVersion() {
throw new UnsupportedOperationException();
}
@Override
public String getKernelVersion() {
try {
return getFirstLineFromExec("ver");
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
@Override
public String getUsername() {
throw new UnsupportedOperationException();
}
@Override
public File getUserConfigPath() {
throw new UnsupportedOperationException();
}
@Override
public File getGlobalConfigPath() {
throw new UnsupportedOperationException();
}
@Override
public HardwareAbstractionLayer getHAL() {
throw new UnsupportedOperationException();
}
}

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@ -0,0 +1,58 @@
package zutil.osal.linux.app;
import org.junit.Test;
import zutil.io.StringInputStream;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.net.InetAddress;
import static org.junit.Assert.*;
/**
* Created by ezivkoc on 2016-09-30.
*/
public class ProcNetArpTest {
@Test
public void parse() throws Exception {
StringInputStream buff = new StringInputStream(
"IP address HW type Flags HW address Mask Device\n" +
"192.168.1.140 0x1 0x0 fc:f8:ae:3f:66:64 * eth0\n" +
"169.254.67.249 0x1 0x0 78:ab:bb:c4:05:b3 * eth0\n" +
"192.168.1.127 0x1 0x2 00:05:cd:39:aa:07 * eth0\n" +
"192.168.1.1 0x1 0x2 c0:56:27:c2:5e:82 * eth0\n" +
"192.168.1.190 0x1 0x0 fc:f8:ae:3f:66:64 * eth0\n" +
"192.168.1.253 0x1 0x0 00:00:00:00:00:00 * eth0\n" +
"192.168.1.105 0x1 0x2 24:0a:64:49:c9:7b * eth0\n" +
"192.168.1.110 0x1 0x0 00:00:00:00:00:00 * eth0\n" +
"192.168.1.2 0x1 0x0 00:00:00:00:00:00 * eth0\n" +
"192.168.1.137 0x1 0x2 78:ab:bb:c4:05:b3 * eth0\n" +
"192.168.1.128 0x1 0x2 6c:ad:f8:be:ef:ba * eth0\n" +
"192.168.1.30 0x1 0x0 00:00:00:00:00:00 * eth0\n" +
"192.168.1.12 0x1 0x0 00:00:00:00:00:00 * eth0\n" +
"192.168.1.178 0x1 0x2 6c:ad:f8:be:ef:ba * eth0\n");
ProcNetArp.parse(new BufferedReader(new InputStreamReader(buff)));
ProcNetArp.ArpEntry entry = ProcNetArp.getArpEntry(InetAddress.getByName("192.168.1.140"));
assertEquals("192.168.1.140", entry.getIp().getHostAddress());
assertEquals("fc:f8:ae:3f:66:64", entry.getHwAddressString());
assertEquals("eth0", entry.getNetworkInterface());
entry = ProcNetArp.getArpEntry(InetAddress.getByName("192.168.1.1"));
assertEquals("192.168.1.1", entry.getIp().getHostAddress());
assertEquals("c0:56:27:c2:5e:82", entry.getHwAddressString());
assertEquals("eth0", entry.getNetworkInterface());
entry = ProcNetArp.getArpEntry(InetAddress.getByName("192.168.1.178"));
assertEquals("192.168.1.178", entry.getIp().getHostAddress());
assertEquals("6c:ad:f8:be:ef:ba", entry.getHwAddressString());
assertEquals("eth0", entry.getNetworkInterface());
}
@Test
public void parseTwoTimes() throws Exception {
parse();
parse();
}
}