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Added SystemUsage class

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This class is collection of some methods in TPSCounter that
were refactored out of it.
This commit is contained in:
Rsl1122 2020-01-13 16:21:03 +02:00
parent d6e3817c71
commit 8a059ced0b
7 changed files with 94 additions and 30 deletions
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3
Plan/bukkit/src/main/java/com/djrapitops/plan/gathering/timed/BukkitTPSCounter.java
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@ -17,6 +17,7 @@
package com.djrapitops.plan.gathering.timed;
import com.djrapitops.plan.Plan;
import com.djrapitops.plan.gathering.SystemUsage;
import com.djrapitops.plan.gathering.domain.TPS;
import com.djrapitops.plan.gathering.domain.builders.TPSBuilder;
import com.djrapitops.plan.identification.ServerInfo;
@ -75,7 +76,7 @@ public class BukkitTPSCounter extends TPSCounter {
*/
private TPS calculateTPS(long diff, long now) {
double averageCPUUsage = getCPUUsage();
long usedMemory = getUsedMemory();
long usedMemory = SystemUsage.getUsedMemory();
long freeDiskSpace = getFreeDiskSpace();
int playersOnline = serverProperties.getOnlinePlayers();

3
Plan/bungeecord/src/main/java/com/djrapitops/plan/gathering/timed/BungeeTPSCounter.java
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@ -16,6 +16,7 @@
*/
package com.djrapitops.plan.gathering.timed;
import com.djrapitops.plan.gathering.SystemUsage;
import com.djrapitops.plan.gathering.domain.TPS;
import com.djrapitops.plan.gathering.domain.builders.TPSBuilder;
import com.djrapitops.plan.identification.ServerInfo;
@ -51,7 +52,7 @@ public class BungeeTPSCounter extends TPSCounter {
.date(now)
.playersOnline(onlineCount)
.usedCPU(getCPUUsage())
.usedMemory(getUsedMemory())
.usedMemory(SystemUsage.getUsedMemory())
.entities(-1)
.chunksLoaded(-1)
.freeDiskSpace(getFreeDiskSpace())

81
Plan/common/src/main/java/com/djrapitops/plan/gathering/SystemUsage.java Normal file
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@ -0,0 +1,81 @@
/*
* This file is part of Player Analytics (Plan).
*
* Plan is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License v3 as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Plan 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 Plan. If not, see <https://www.gnu.org/licenses/>.
*/
package com.djrapitops.plan.gathering;
import java.io.File;
import java.lang.management.ManagementFactory;
import java.lang.management.OperatingSystemMXBean;
/**
* Utility class for obtaining System usage statistics.
*
* @author Rsl1122
*/
public class SystemUsage {
private SystemUsage() {
/* Static method class */
}
/**
* Check how much memory (in Mb) is in use.
*
* @return used memory (megabytes) at the time of fetching
*/
public static long getUsedMemory() {
Runtime runtime = Runtime.getRuntime();
long totalMemory = runtime.totalMemory();
return (totalMemory - runtime.freeMemory()) / 1000000L;
}
/**
* Check how active the system is (CPU) or if not available, using system load average.
* <p>
* - On some OSes CPU usage information is not available, and system load average is used instead.
* - On some OSes system load average is not available.
*
* @return 0.0 to 1.0 if CPU, or system load average, or -1 if nothing is available.
*/
public static double getAverageSystemLoad() {
double averageUsage;
OperatingSystemMXBean osBean = ManagementFactory.getOperatingSystemMXBean();
if (osBean instanceof com.sun.management.OperatingSystemMXBean) {
com.sun.management.OperatingSystemMXBean nativeOsBean = (com.sun.management.OperatingSystemMXBean) osBean;
averageUsage = nativeOsBean.getSystemCpuLoad();
} else {
int availableProcessors = osBean.getAvailableProcessors();
averageUsage = osBean.getSystemLoadAverage() / availableProcessors;
}
if (averageUsage < 0) {
averageUsage = -1; // If unavailable, getSystemLoadAverage() returns -1
}
return averageUsage;
}
/**
* Check how much disk space is available on the current partition.
*
* @return free disk space (megabytes) on the partition JVM working directory is in.
* @throws SecurityException if permission is required to see disk space.
*/
public static long getFreeDiskSpace() {
File file = new File(new File("").getAbsolutePath());
return file.getFreeSpace() / 1000000L;
}
}

28
Plan/common/src/main/java/com/djrapitops/plan/gathering/timed/TPSCounter.java
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@ -16,6 +16,7 @@
*/
package com.djrapitops.plan.gathering.timed;
import com.djrapitops.plan.gathering.SystemUsage;
import com.djrapitops.plan.gathering.domain.TPS;
import com.djrapitops.plan.identification.ServerInfo;
import com.djrapitops.plan.storage.database.DBSystem;
@ -25,9 +26,6 @@ import com.djrapitops.plugin.logging.console.PluginLogger;
import com.djrapitops.plugin.logging.error.ErrorHandler;
import com.djrapitops.plugin.task.AbsRunnable;
import java.io.File;
import java.lang.management.ManagementFactory;
import java.lang.management.OperatingSystemMXBean;
import java.util.ArrayList;
import java.util.List;
@ -90,33 +88,13 @@ public abstract class TPSCounter extends AbsRunnable {
return latestPlayersOnline;
}
protected long getUsedMemory() {
Runtime runtime = Runtime.getRuntime();
long totalMemory = runtime.totalMemory();
return (totalMemory - runtime.freeMemory()) / 1000000;
}
protected double getCPUUsage() {
double averageCPUUsage;
OperatingSystemMXBean osBean = ManagementFactory.getOperatingSystemMXBean();
if (osBean instanceof com.sun.management.OperatingSystemMXBean) {
com.sun.management.OperatingSystemMXBean nativeOsBean = (com.sun.management.OperatingSystemMXBean) osBean;
averageCPUUsage = nativeOsBean.getSystemCpuLoad();
} else {
int availableProcessors = osBean.getAvailableProcessors();
averageCPUUsage = osBean.getSystemLoadAverage() / availableProcessors;
}
if (averageCPUUsage < 0) { // If unavailable, getSystemLoadAverage() returns -1
averageCPUUsage = -1;
}
return averageCPUUsage * 100.0;
return SystemUsage.getAverageSystemLoad() * 100.0;
}
protected long getFreeDiskSpace() {
try {
File file = new File(new File("").getAbsolutePath());
return file.getFreeSpace() / 1000000L;
return SystemUsage.getFreeDiskSpace();
} catch (SecurityException noPermission) {
if (!diskErrored) {
errorHandler.log(L.WARN, this.getClass(), noPermission);

3
Plan/nukkit/src/main/java/com/djrapitops/plan/gathering/timed/NukkitTPSCounter.java
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@ -18,6 +18,7 @@ package com.djrapitops.plan.gathering.timed;
import cn.nukkit.level.Level;
import com.djrapitops.plan.PlanNukkit;
import com.djrapitops.plan.gathering.SystemUsage;
import com.djrapitops.plan.gathering.domain.TPS;
import com.djrapitops.plan.gathering.domain.builders.TPSBuilder;
import com.djrapitops.plan.identification.ServerInfo;
@ -75,7 +76,7 @@ public class NukkitTPSCounter extends TPSCounter {
*/
private TPS calculateTPS(long diff, long now) {
double averageCPUUsage = getCPUUsage();
long usedMemory = getUsedMemory();
long usedMemory = SystemUsage.getUsedMemory();
long freeDiskSpace = getFreeDiskSpace();
int playersOnline = serverProperties.getOnlinePlayers();

3
Plan/sponge/src/main/java/com/djrapitops/plan/gathering/timed/SpongeTPSCounter.java
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@ -17,6 +17,7 @@
package com.djrapitops.plan.gathering.timed;
import com.djrapitops.plan.PlanSponge;
import com.djrapitops.plan.gathering.SystemUsage;
import com.djrapitops.plan.gathering.domain.TPS;
import com.djrapitops.plan.gathering.domain.builders.TPSBuilder;
import com.djrapitops.plan.identification.ServerInfo;
@ -74,7 +75,7 @@ public class SpongeTPSCounter extends TPSCounter {
private TPS calculateTPS(long now) {
double averageCPUUsage = getCPUUsage();
long usedMemory = getUsedMemory();
long usedMemory = SystemUsage.getUsedMemory();
double tps = plugin.getGame().getServer().getTicksPerSecond();
int playersOnline = serverProperties.getOnlinePlayers();

3
Plan/velocity/src/main/java/com/djrapitops/plan/gathering/timed/VelocityTPSCounter.java
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@ -16,6 +16,7 @@
*/
package com.djrapitops.plan.gathering.timed;
import com.djrapitops.plan.gathering.SystemUsage;
import com.djrapitops.plan.gathering.domain.TPS;
import com.djrapitops.plan.gathering.domain.builders.TPSBuilder;
import com.djrapitops.plan.identification.ServerInfo;
@ -51,7 +52,7 @@ public class VelocityTPSCounter extends TPSCounter {
.date(now)
.playersOnline(onlineCount)
.usedCPU(getCPUUsage())
.usedMemory(getUsedMemory())
.usedMemory(SystemUsage.getUsedMemory())
.entities(-1)
.chunksLoaded(-1)
.freeDiskSpace(getFreeDiskSpace())