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-rw-r--r--spark-common/src/main/java/me/lucko/spark/common/SparkPlatform.java17
-rw-r--r--spark-common/src/main/java/me/lucko/spark/common/SparkPlugin.java12
-rw-r--r--spark-common/src/main/java/me/lucko/spark/common/command/modules/HealthModule.java239
-rw-r--r--spark-common/src/main/java/me/lucko/spark/common/monitor/MonitoringExecutor.java16
-rw-r--r--spark-common/src/main/java/me/lucko/spark/common/monitor/cpu/CpuMonitor.java12
-rw-r--r--spark-common/src/main/java/me/lucko/spark/common/monitor/ping/PingStatistics.java148
-rw-r--r--spark-common/src/main/java/me/lucko/spark/common/monitor/ping/PingSummary.java81
-rw-r--r--spark-common/src/main/java/me/lucko/spark/common/monitor/ping/PlayerPingProvider.java40
-rw-r--r--spark-common/src/main/java/me/lucko/spark/common/platform/PlatformStatisticsProvider.java17
-rw-r--r--spark-common/src/main/java/me/lucko/spark/common/util/RollingAverage.java6
-rw-r--r--spark-common/src/main/java/me/lucko/spark/common/util/StatisticFormatter.java187
-rw-r--r--spark-common/src/main/proto/spark/spark.proto25
12 files changed, 623 insertions, 177 deletions
diff --git a/spark-common/src/main/java/me/lucko/spark/common/SparkPlatform.java b/spark-common/src/main/java/me/lucko/spark/common/SparkPlatform.java
index 53454aa..c93b876 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/SparkPlatform.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/SparkPlatform.java
@@ -40,6 +40,8 @@ import me.lucko.spark.common.command.tabcomplete.CompletionSupplier;
import me.lucko.spark.common.command.tabcomplete.TabCompleter;
import me.lucko.spark.common.monitor.cpu.CpuMonitor;
import me.lucko.spark.common.monitor.memory.GarbageCollectorStatistics;
+import me.lucko.spark.common.monitor.ping.PingStatistics;
+import me.lucko.spark.common.monitor.ping.PlayerPingProvider;
import me.lucko.spark.common.monitor.tick.TickStatistics;
import me.lucko.spark.common.platform.PlatformStatisticsProvider;
import me.lucko.spark.common.tick.TickHook;
@@ -99,6 +101,7 @@ public class SparkPlatform {
private final TickHook tickHook;
private final TickReporter tickReporter;
private final TickStatistics tickStatistics;
+ private final PingStatistics pingStatistics;
private final PlatformStatisticsProvider statisticsProvider;
private Map<String, GarbageCollectorStatistics> startupGcStatistics = ImmutableMap.of();
private long serverNormalOperationStartTime;
@@ -136,6 +139,10 @@ public class SparkPlatform {
this.tickHook = plugin.createTickHook();
this.tickReporter = plugin.createTickReporter();
this.tickStatistics = this.tickHook != null ? new TickStatistics() : null;
+
+ PlayerPingProvider pingProvider = plugin.createPlayerPingProvider();
+ this.pingStatistics = pingProvider != null ? new PingStatistics(pingProvider) : null;
+
this.statisticsProvider = new PlatformStatisticsProvider(this);
}
@@ -152,6 +159,9 @@ public class SparkPlatform {
this.tickReporter.addCallback(this.tickStatistics);
this.tickReporter.start();
}
+ if (this.pingStatistics != null) {
+ this.pingStatistics.start();
+ }
CpuMonitor.ensureMonitoring();
// poll startup GC statistics after plugins & the world have loaded
@@ -172,6 +182,9 @@ public class SparkPlatform {
if (this.tickReporter != null) {
this.tickReporter.close();
}
+ if (this.pingStatistics != null) {
+ this.pingStatistics.close();
+ }
for (CommandModule module : this.commandModules) {
module.close();
@@ -231,6 +244,10 @@ public class SparkPlatform {
return this.tickStatistics;
}
+ public PingStatistics getPingStatistics() {
+ return this.pingStatistics;
+ }
+
public Map<String, GarbageCollectorStatistics> getStartupGcStatistics() {
return this.startupGcStatistics;
}
diff --git a/spark-common/src/main/java/me/lucko/spark/common/SparkPlugin.java b/spark-common/src/main/java/me/lucko/spark/common/SparkPlugin.java
index f312916..5feb172 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/SparkPlugin.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/SparkPlugin.java
@@ -22,6 +22,7 @@ package me.lucko.spark.common;
import me.lucko.spark.api.Spark;
import me.lucko.spark.common.command.sender.CommandSender;
+import me.lucko.spark.common.monitor.ping.PlayerPingProvider;
import me.lucko.spark.common.platform.PlatformInfo;
import me.lucko.spark.common.sampler.ThreadDumper;
import me.lucko.spark.common.tick.TickHook;
@@ -121,6 +122,17 @@ public interface SparkPlugin {
}
/**
+ * Creates a player ping provider function.
+ *
+ * <p>Returns {@code null} if the platform does not support querying player pings</p>
+ *
+ * @return the player ping provider function
+ */
+ default PlayerPingProvider createPlayerPingProvider() {
+ return null;
+ }
+
+ /**
* Gets information for the platform.
*
* @return information about the platform
diff --git a/spark-common/src/main/java/me/lucko/spark/common/command/modules/HealthModule.java b/spark-common/src/main/java/me/lucko/spark/common/command/modules/HealthModule.java
index b036d21..ea4f140 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/command/modules/HealthModule.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/command/modules/HealthModule.java
@@ -20,8 +20,6 @@
package me.lucko.spark.common.command.modules;
-import com.google.common.base.Strings;
-
import me.lucko.spark.common.SparkPlatform;
import me.lucko.spark.common.command.Arguments;
import me.lucko.spark.common.command.Command;
@@ -31,13 +29,14 @@ import me.lucko.spark.common.command.sender.CommandSender;
import me.lucko.spark.common.command.tabcomplete.TabCompleter;
import me.lucko.spark.common.monitor.cpu.CpuMonitor;
import me.lucko.spark.common.monitor.disk.DiskUsage;
+import me.lucko.spark.common.monitor.ping.PingStatistics;
+import me.lucko.spark.common.monitor.ping.PingSummary;
import me.lucko.spark.common.monitor.tick.TickStatistics;
import me.lucko.spark.common.util.FormatUtil;
import me.lucko.spark.common.util.RollingAverage;
+import me.lucko.spark.common.util.StatisticFormatter;
import net.kyori.adventure.text.Component;
-import net.kyori.adventure.text.TextComponent;
-import net.kyori.adventure.text.format.TextColor;
import java.lang.management.ManagementFactory;
import java.lang.management.MemoryMXBean;
@@ -46,6 +45,7 @@ import java.lang.management.MemoryType;
import java.lang.management.MemoryUsage;
import java.util.LinkedList;
import java.util.List;
+import java.util.Set;
import java.util.function.Consumer;
import static net.kyori.adventure.text.Component.empty;
@@ -57,7 +57,6 @@ import static net.kyori.adventure.text.format.NamedTextColor.GRAY;
import static net.kyori.adventure.text.format.NamedTextColor.GREEN;
import static net.kyori.adventure.text.format.NamedTextColor.RED;
import static net.kyori.adventure.text.format.NamedTextColor.WHITE;
-import static net.kyori.adventure.text.format.NamedTextColor.YELLOW;
import static net.kyori.adventure.text.format.TextDecoration.BOLD;
public class HealthModule implements CommandModule {
@@ -72,6 +71,14 @@ public class HealthModule implements CommandModule {
);
consumer.accept(Command.builder()
+ .aliases("ping")
+ .argumentUsage("player", "username")
+ .executor(HealthModule::ping)
+ .tabCompleter((platform, sender, arguments) -> TabCompleter.completeForOpts(arguments, "--player"))
+ .build()
+ );
+
+ consumer.accept(Command.builder()
.aliases("healthreport", "health", "ht")
.argumentUsage("memory", null)
.executor(HealthModule::healthReport)
@@ -86,11 +93,11 @@ public class HealthModule implements CommandModule {
resp.replyPrefixed(text("TPS from last 5s, 10s, 1m, 5m, 15m:"));
resp.replyPrefixed(text()
.content(" ")
- .append(formatTps(tickStatistics.tps5Sec())).append(text(", "))
- .append(formatTps(tickStatistics.tps10Sec())).append(text(", "))
- .append(formatTps(tickStatistics.tps1Min())).append(text(", "))
- .append(formatTps(tickStatistics.tps5Min())).append(text(", "))
- .append(formatTps(tickStatistics.tps15Min()))
+ .append(StatisticFormatter.formatTps(tickStatistics.tps5Sec())).append(text(", "))
+ .append(StatisticFormatter.formatTps(tickStatistics.tps10Sec())).append(text(", "))
+ .append(StatisticFormatter.formatTps(tickStatistics.tps1Min())).append(text(", "))
+ .append(StatisticFormatter.formatTps(tickStatistics.tps5Min())).append(text(", "))
+ .append(StatisticFormatter.formatTps(tickStatistics.tps15Min()))
.build()
);
resp.replyPrefixed(empty());
@@ -99,8 +106,8 @@ public class HealthModule implements CommandModule {
resp.replyPrefixed(text("Tick durations (min/med/95%ile/max ms) from last 10s, 1m:"));
resp.replyPrefixed(text()
.content(" ")
- .append(formatTickDurations(tickStatistics.duration10Sec())).append(text("; "))
- .append(formatTickDurations(tickStatistics.duration1Min()))
+ .append(StatisticFormatter.formatTickDurations(tickStatistics.duration10Sec())).append(text("; "))
+ .append(StatisticFormatter.formatTickDurations(tickStatistics.duration1Min()))
.build()
);
resp.replyPrefixed(empty());
@@ -110,22 +117,67 @@ public class HealthModule implements CommandModule {
resp.replyPrefixed(text("CPU usage from last 10s, 1m, 15m:"));
resp.replyPrefixed(text()
.content(" ")
- .append(formatCpuUsage(CpuMonitor.systemLoad10SecAvg())).append(text(", "))
- .append(formatCpuUsage(CpuMonitor.systemLoad1MinAvg())).append(text(", "))
- .append(formatCpuUsage(CpuMonitor.systemLoad15MinAvg()))
+ .append(StatisticFormatter.formatCpuUsage(CpuMonitor.systemLoad10SecAvg())).append(text(", "))
+ .append(StatisticFormatter.formatCpuUsage(CpuMonitor.systemLoad1MinAvg())).append(text(", "))
+ .append(StatisticFormatter.formatCpuUsage(CpuMonitor.systemLoad15MinAvg()))
.append(text(" (system)", DARK_GRAY))
.build()
);
resp.replyPrefixed(text()
.content(" ")
- .append(formatCpuUsage(CpuMonitor.processLoad10SecAvg())).append(text(", "))
- .append(formatCpuUsage(CpuMonitor.processLoad1MinAvg())).append(text(", "))
- .append(formatCpuUsage(CpuMonitor.processLoad15MinAvg()))
+ .append(StatisticFormatter.formatCpuUsage(CpuMonitor.processLoad10SecAvg())).append(text(", "))
+ .append(StatisticFormatter.formatCpuUsage(CpuMonitor.processLoad1MinAvg())).append(text(", "))
+ .append(StatisticFormatter.formatCpuUsage(CpuMonitor.processLoad15MinAvg()))
.append(text(" (process)", DARK_GRAY))
.build()
);
}
+ private static void ping(SparkPlatform platform, CommandSender sender, CommandResponseHandler resp, Arguments arguments) {
+ PingStatistics pingStatistics = platform.getPingStatistics();
+ if (pingStatistics == null) {
+ resp.replyPrefixed(text("Ping data is not available on this platform."));
+ return;
+ }
+
+ // lookup for specific player
+ Set<String> players = arguments.stringFlag("player");
+ if (!players.isEmpty()) {
+ for (String player : players) {
+ PingStatistics.PlayerPing playerPing = pingStatistics.query(player);
+ if (playerPing == null) {
+ resp.replyPrefixed(text("Ping data is not available for '" + player + "'."));
+ } else {
+ resp.replyPrefixed(text()
+ .content("Player ")
+ .append(text(playerPing.name(), WHITE))
+ .append(text(" has "))
+ .append(StatisticFormatter.formatPingRtt(playerPing.ping()))
+ .append(text(" ms ping."))
+ .build()
+ );
+ }
+ }
+ return;
+ }
+
+ PingSummary summary = pingStatistics.currentSummary();
+ RollingAverage average = pingStatistics.getPingAverage();
+
+ if (summary.total() == 0 && average.getSamples() == 0) {
+ resp.replyPrefixed(text("There is not enough data to show ping averages yet. Please try again later."));
+ return;
+ }
+
+ resp.replyPrefixed(text("Average Pings (min/med/95%ile/max ms) from now, last 15m:"));
+ resp.replyPrefixed(text()
+ .content(" ")
+ .append(StatisticFormatter.formatPingRtts(summary.min(), summary.median(), summary.percentile95th(), summary.max())).append(text("; "))
+ .append(StatisticFormatter.formatPingRtts(average.min(), average.median(), average.percentile95th(), average.max()))
+ .build()
+ );
+ }
+
private static void healthReport(SparkPlatform platform, CommandSender sender, CommandResponseHandler resp, Arguments arguments) {
resp.replyPrefixed(text("Generating server health report..."));
List<Component> report = new LinkedList<>();
@@ -159,11 +211,11 @@ public class HealthModule implements CommandModule {
);
report.add(text()
.content(" ")
- .append(formatTps(tickStatistics.tps5Sec())).append(text(", "))
- .append(formatTps(tickStatistics.tps10Sec())).append(text(", "))
- .append(formatTps(tickStatistics.tps1Min())).append(text(", "))
- .append(formatTps(tickStatistics.tps5Min())).append(text(", "))
- .append(formatTps(tickStatistics.tps15Min()))
+ .append(StatisticFormatter.formatTps(tickStatistics.tps5Sec())).append(text(", "))
+ .append(StatisticFormatter.formatTps(tickStatistics.tps10Sec())).append(text(", "))
+ .append(StatisticFormatter.formatTps(tickStatistics.tps1Min())).append(text(", "))
+ .append(StatisticFormatter.formatTps(tickStatistics.tps5Min())).append(text(", "))
+ .append(StatisticFormatter.formatTps(tickStatistics.tps15Min()))
.build()
);
report.add(empty());
@@ -177,8 +229,8 @@ public class HealthModule implements CommandModule {
);
report.add(text()
.content(" ")
- .append(formatTickDurations(tickStatistics.duration10Sec())).append(text("; "))
- .append(formatTickDurations(tickStatistics.duration1Min()))
+ .append(StatisticFormatter.formatTickDurations(tickStatistics.duration10Sec())).append(text("; "))
+ .append(StatisticFormatter.formatTickDurations(tickStatistics.duration1Min()))
.build()
);
report.add(empty());
@@ -194,17 +246,17 @@ public class HealthModule implements CommandModule {
);
report.add(text()
.content(" ")
- .append(formatCpuUsage(CpuMonitor.systemLoad10SecAvg())).append(text(", "))
- .append(formatCpuUsage(CpuMonitor.systemLoad1MinAvg())).append(text(", "))
- .append(formatCpuUsage(CpuMonitor.systemLoad15MinAvg()))
+ .append(StatisticFormatter.formatCpuUsage(CpuMonitor.systemLoad10SecAvg())).append(text(", "))
+ .append(StatisticFormatter.formatCpuUsage(CpuMonitor.systemLoad1MinAvg())).append(text(", "))
+ .append(StatisticFormatter.formatCpuUsage(CpuMonitor.systemLoad15MinAvg()))
.append(text(" (system)", DARK_GRAY))
.build()
);
report.add(text()
.content(" ")
- .append(formatCpuUsage(CpuMonitor.processLoad10SecAvg())).append(text(", "))
- .append(formatCpuUsage(CpuMonitor.processLoad1MinAvg())).append(text(", "))
- .append(formatCpuUsage(CpuMonitor.processLoad15MinAvg()))
+ .append(StatisticFormatter.formatCpuUsage(CpuMonitor.processLoad10SecAvg())).append(text(", "))
+ .append(StatisticFormatter.formatCpuUsage(CpuMonitor.processLoad1MinAvg())).append(text(", "))
+ .append(StatisticFormatter.formatCpuUsage(CpuMonitor.processLoad15MinAvg()))
.append(text(" (process)", DARK_GRAY))
.build()
);
@@ -232,7 +284,7 @@ public class HealthModule implements CommandModule {
.append(text(")", GRAY))
.build()
);
- report.add(text().content(" ").append(generateMemoryUsageDiagram(heapUsage, 40)).build());
+ report.add(text().content(" ").append(StatisticFormatter.generateMemoryUsageDiagram(heapUsage, 60)).build());
report.add(empty());
}
@@ -283,7 +335,7 @@ public class HealthModule implements CommandModule {
.append(text(")", GRAY))
.build()
);
- report.add(text().content(" ").append(generateMemoryPoolDiagram(usage, collectionUsage, 40)).build());
+ report.add(text().content(" ").append(StatisticFormatter.generateMemoryPoolDiagram(usage, collectionUsage, 60)).build());
if (collectionUsage != null) {
report.add(text()
@@ -327,127 +379,8 @@ public class HealthModule implements CommandModule {
.append(text(")", GRAY))
.build()
);
- report.add(text().content(" ").append(generateDiskUsageDiagram(used, total, 40)).build());
+ report.add(text().content(" ").append(StatisticFormatter.generateDiskUsageDiagram(used, total, 60)).build());
report.add(empty());
}
- public static TextComponent formatTps(double tps) {
- TextColor color;
- if (tps > 18.0) {
- color = GREEN;
- } else if (tps > 16.0) {
- color = YELLOW;
- } else {
- color = RED;
- }
-
- return text((tps > 20.0 ? "*" : "") + Math.min(Math.round(tps * 100.0) / 100.0, 20.0), color);
- }
-
- public static TextComponent formatTickDurations(RollingAverage average) {
- return text()
- .append(formatTickDuration(average.min()))
- .append(text('/', GRAY))
- .append(formatTickDuration(average.median()))
- .append(text('/', GRAY))
- .append(formatTickDuration(average.percentile95th()))
- .append(text('/', GRAY))
- .append(formatTickDuration(average.max()))
- .build();
- }
-
- public static TextComponent formatTickDuration(double duration) {
- TextColor color;
- if (duration >= 50d) {
- color = RED;
- } else if (duration >= 40d) {
- color = YELLOW;
- } else {
- color = GREEN;
- }
-
- return text(String.format("%.1f", duration), color);
- }
-
- public static TextComponent formatCpuUsage(double usage) {
- TextColor color;
- if (usage > 0.9) {
- color = RED;
- } else if (usage > 0.65) {
- color = YELLOW;
- } else {
- color = GREEN;
- }
-
- return text(FormatUtil.percent(usage, 1d), color);
- }
-
- private static TextComponent generateMemoryUsageDiagram(MemoryUsage usage, int length) {
- double used = usage.getUsed();
- double committed = usage.getCommitted();
- double max = usage.getMax();
-
- int usedChars = (int) ((used * length) / max);
- int committedChars = (int) ((committed * length) / max);
-
- TextComponent.Builder line = text().content(Strings.repeat("/", usedChars)).color(GRAY);
- if (committedChars > usedChars) {
- line.append(text(Strings.repeat(" ", (committedChars - usedChars) - 1)));
- line.append(text("|", YELLOW));
- }
- if (length > committedChars) {
- line.append(text(Strings.repeat(" ", (length - committedChars))));
- }
-
- return text()
- .append(text("[", DARK_GRAY))
- .append(line.build())
- .append(text("]", DARK_GRAY))
- .build();
- }
-
- private static TextComponent generateMemoryPoolDiagram(MemoryUsage usage, MemoryUsage collectionUsage, int length) {
- double used = usage.getUsed();
- double collectionUsed = used;
- if (collectionUsage != null) {
- collectionUsed = collectionUsage.getUsed();
- }
- double committed = usage.getCommitted();
- double max = usage.getMax();
-
- int usedChars = (int) ((used * length) / max);
- int collectionUsedChars = (int) ((collectionUsed * length) / max);
- int committedChars = (int) ((committed * length) / max);
-
- TextComponent.Builder line = text().content(Strings.repeat("/", collectionUsedChars)).color(GRAY);
-
- if (usedChars > collectionUsedChars) {
- line.append(text("|", RED));
- line.append(text(Strings.repeat("/", (usedChars - collectionUsedChars) - 1), GRAY));
- }
- if (committedChars > usedChars) {
- line.append(text(Strings.repeat(" ", (committedChars - usedChars) - 1)));
- line.append(text("|", YELLOW));
- }
- if (length > committedChars) {
- line.append(text(Strings.repeat(" ", (length - committedChars))));
- }
-
- return text()
- .append(text("[", DARK_GRAY))
- .append(line.build())
- .append(text("]", DARK_GRAY))
- .build();
- }
-
- private static TextComponent generateDiskUsageDiagram(double used, double max, int length) {
- int usedChars = (int) ((used * length) / max);
- String line = Strings.repeat("/", usedChars) + Strings.repeat(" ", length - usedChars);
- return text()
- .append(text("[", DARK_GRAY))
- .append(text(line, GRAY))
- .append(text("]", DARK_GRAY))
- .build();
- }
-
}
diff --git a/spark-common/src/main/java/me/lucko/spark/common/monitor/MonitoringExecutor.java b/spark-common/src/main/java/me/lucko/spark/common/monitor/MonitoringExecutor.java
new file mode 100644
index 0000000..779dbbf
--- /dev/null
+++ b/spark-common/src/main/java/me/lucko/spark/common/monitor/MonitoringExecutor.java
@@ -0,0 +1,16 @@
+package me.lucko.spark.common.monitor;
+
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+
+public enum MonitoringExecutor {
+ ;
+
+ /** The executor used to monitor & calculate rolling averages. */
+ public static final ScheduledExecutorService INSTANCE = Executors.newSingleThreadScheduledExecutor(r -> {
+ Thread thread = Executors.defaultThreadFactory().newThread(r);
+ thread.setName("spark-monitor");
+ thread.setDaemon(true);
+ return thread;
+ });
+}
diff --git a/spark-common/src/main/java/me/lucko/spark/common/monitor/cpu/CpuMonitor.java b/spark-common/src/main/java/me/lucko/spark/common/monitor/cpu/CpuMonitor.java
index 43e1f90..b4ab831 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/monitor/cpu/CpuMonitor.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/monitor/cpu/CpuMonitor.java
@@ -20,12 +20,11 @@
package me.lucko.spark.common.monitor.cpu;
+import me.lucko.spark.common.monitor.MonitoringExecutor;
import me.lucko.spark.common.util.RollingAverage;
import java.lang.management.ManagementFactory;
import java.math.BigDecimal;
-import java.util.concurrent.Executors;
-import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import javax.management.JMX;
@@ -42,13 +41,6 @@ public enum CpuMonitor {
private static final String OPERATING_SYSTEM_BEAN = "java.lang:type=OperatingSystem";
/** The OperatingSystemMXBean instance */
private static final OperatingSystemMXBean BEAN;
- /** The executor used to monitor & calculate rolling averages. */
- private static final ScheduledExecutorService EXECUTOR = Executors.newSingleThreadScheduledExecutor(r -> {
- Thread thread = Executors.defaultThreadFactory().newThread(r);
- thread.setName("spark-cpu-monitor");
- thread.setDaemon(true);
- return thread;
- });
// Rolling averages for system/process data
private static final RollingAverage SYSTEM_AVERAGE_10_SEC = new RollingAverage(10);
@@ -68,7 +60,7 @@ public enum CpuMonitor {
}
// schedule rolling average calculations.
- EXECUTOR.scheduleAtFixedRate(new RollingAverageCollectionTask(), 1, 1, TimeUnit.SECONDS);
+ MonitoringExecutor.INSTANCE.scheduleAtFixedRate(new RollingAverageCollectionTask(), 1, 1, TimeUnit.SECONDS);
}
/**
diff --git a/spark-common/src/main/java/me/lucko/spark/common/monitor/ping/PingStatistics.java b/spark-common/src/main/java/me/lucko/spark/common/monitor/ping/PingStatistics.java
new file mode 100644
index 0000000..8b5b5b3
--- /dev/null
+++ b/spark-common/src/main/java/me/lucko/spark/common/monitor/ping/PingStatistics.java
@@ -0,0 +1,148 @@
+/*
+ * This file is part of spark.
+ *
+ * Copyright (c) lucko (Luck) <luck@lucko.me>
+ * Copyright (c) contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package me.lucko.spark.common.monitor.ping;
+
+import me.lucko.spark.common.monitor.MonitoringExecutor;
+import me.lucko.spark.common.util.RollingAverage;
+
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+import java.math.BigDecimal;
+import java.util.Map;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Provides statistics for player ping RTT to the server.
+ */
+public final class PingStatistics implements Runnable, AutoCloseable {
+ private static final int WINDOW_SIZE_SECONDS = (int) TimeUnit.MINUTES.toSeconds(15);
+ private static final int QUERY_RATE_SECONDS = 10;
+
+ /** The platform function that provides player ping times */
+ private final PlayerPingProvider provider;
+ /** Rolling average of the median ping across all players */
+ private final RollingAverage rollingAverage = new RollingAverage(WINDOW_SIZE_SECONDS / QUERY_RATE_SECONDS);
+
+ /** The scheduler task that polls pings and calculates the rolling average */
+ private ScheduledFuture<?> future;
+
+ public PingStatistics(PlayerPingProvider provider) {
+ this.provider = provider;
+ }
+
+ /**
+ * Starts the statistics monitor
+ */
+ public void start() {
+ if (this.future != null) {
+ throw new IllegalStateException();
+ }
+ this.future = MonitoringExecutor.INSTANCE.scheduleAtFixedRate(this, QUERY_RATE_SECONDS, QUERY_RATE_SECONDS, TimeUnit.SECONDS);
+ }
+
+ @Override
+ public void close() {
+ if (this.future != null) {
+ this.future.cancel(false);
+ this.future = null;
+ }
+ }
+
+ @Override
+ public void run() {
+ PingSummary summary = currentSummary();
+ if (summary.total() == 0) {
+ return;
+ }
+
+ this.rollingAverage.add(BigDecimal.valueOf(summary.median()));
+ }
+
+ /**
+ * Gets the ping rolling average.
+ *
+ * @return the rolling average
+ */
+ public RollingAverage getPingAverage() {
+ return this.rollingAverage;
+ }
+
+ /**
+ * Queries a summary of current player pings.
+ *
+ * @return a summary of current pings
+ */
+ public PingSummary currentSummary() {
+ Map<String, Integer> results = this.provider.poll();
+ int[] values = results.values().stream().filter(ping -> ping > 0).mapToInt(i -> i).toArray();
+ return values.length == 0
+ ? new PingSummary(new int[]{0})
+ : new PingSummary(values);
+ }
+
+ /**
+ * Queries the ping of a given player.
+ *
+ * @param playerName the name of the player
+ * @return the ping, if available
+ */
+ public @Nullable PlayerPing query(String playerName) {
+ Map<String, Integer> results = this.provider.poll();
+
+ // try exact match
+ Integer result = results.get(playerName);
+ if (result != null) {
+ return new PlayerPing(playerName, result);
+ }
+
+ // try case-insensitive match
+ for (Map.Entry<String, Integer> entry : results.entrySet()) {
+ if (entry.getKey().equalsIgnoreCase(playerName)) {
+ return new PlayerPing(
+ entry.getKey(),
+ entry.getValue()
+ );
+ }
+ }
+
+ return null;
+ }
+
+ public static final class PlayerPing {
+ private final String name;
+ private final int ping;
+
+ PlayerPing(String name, int ping) {
+ this.name = name;
+ this.ping = ping;
+ }
+
+ public String name() {
+ return this.name;
+ }
+
+ public int ping() {
+ return this.ping;
+ }
+ }
+
+}
diff --git a/spark-common/src/main/java/me/lucko/spark/common/monitor/ping/PingSummary.java b/spark-common/src/main/java/me/lucko/spark/common/monitor/ping/PingSummary.java
new file mode 100644
index 0000000..024d27d
--- /dev/null
+++ b/spark-common/src/main/java/me/lucko/spark/common/monitor/ping/PingSummary.java
@@ -0,0 +1,81 @@
+/*
+ * This file is part of spark.
+ *
+ * Copyright (c) lucko (Luck) <luck@lucko.me>
+ * Copyright (c) contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package me.lucko.spark.common.monitor.ping;
+
+import java.util.Arrays;
+
+public final class PingSummary {
+
+ private final int[] values;
+ private final int total;
+ private final int max;
+ private final int min;
+ private final double mean;
+
+ public PingSummary(int[] values) {
+ Arrays.sort(values);
+ this.values = values;
+
+ int total = 0;
+ for (int value : values) {
+ total += value;
+ }
+ this.total = total;
+
+ this.mean = (double) total / values.length;
+ this.max = values[values.length - 1];
+ this.min = values[0];
+ }
+
+ public int total() {
+ return this.total;
+ }
+
+ public double mean() {
+ return this.mean;
+ }
+
+ public int max() {
+ return this.max;
+ }
+
+ public int min() {
+ return this.min;
+ }
+
+ public int percentile(double percentile) {
+ if (percentile < 0 || percentile > 1) {
+ throw new IllegalArgumentException("Invalid percentile " + percentile);
+ }
+
+ int rank = (int) Math.ceil(percentile * (this.values.length - 1));
+ return this.values[rank];
+ }
+
+ public double median() {
+ return percentile(0.50d);
+ }
+
+ public double percentile95th() {
+ return percentile(0.95d);
+ }
+
+}
diff --git a/spark-common/src/main/java/me/lucko/spark/common/monitor/ping/PlayerPingProvider.java b/spark-common/src/main/java/me/lucko/spark/common/monitor/ping/PlayerPingProvider.java
new file mode 100644
index 0000000..7576573
--- /dev/null
+++ b/spark-common/src/main/java/me/lucko/spark/common/monitor/ping/PlayerPingProvider.java
@@ -0,0 +1,40 @@
+/*
+ * This file is part of spark.
+ *
+ * Copyright (c) lucko (Luck) <luck@lucko.me>
+ * Copyright (c) contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package me.lucko.spark.common.monitor.ping;
+
+import java.util.Map;
+
+/**
+ * Provides information about player ping RTT.
+ */
+@FunctionalInterface
+public interface PlayerPingProvider {
+
+ /**
+ * Poll current player pings in milliseconds.
+ *
+ * <p>The map keys are player names and the values are the ping values.</p>
+ *
+ * @return a map of player pings
+ */
+ Map<String, Integer> poll();
+
+}
diff --git a/spark-common/src/main/java/me/lucko/spark/common/platform/PlatformStatisticsProvider.java b/spark-common/src/main/java/me/lucko/spark/common/platform/PlatformStatisticsProvider.java
index fce45ec..5b8d1d4 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/platform/PlatformStatisticsProvider.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/platform/PlatformStatisticsProvider.java
@@ -26,6 +26,7 @@ import me.lucko.spark.common.monitor.cpu.CpuMonitor;
import me.lucko.spark.common.monitor.disk.DiskUsage;
import me.lucko.spark.common.monitor.memory.GarbageCollectorStatistics;
import me.lucko.spark.common.monitor.memory.MemoryInfo;
+import me.lucko.spark.common.monitor.ping.PingStatistics;
import me.lucko.spark.common.monitor.tick.TickStatistics;
import me.lucko.spark.common.util.RollingAverage;
import me.lucko.spark.proto.SparkProtos.PlatformStatistics;
@@ -148,18 +149,26 @@ public class PlatformStatisticsProvider {
);
if (tickStatistics.isDurationSupported()) {
builder.setMspt(PlatformStatistics.Mspt.newBuilder()
- .setLast1M(msptValues(tickStatistics.duration1Min()))
- .setLast5M(msptValues(tickStatistics.duration5Min()))
+ .setLast1M(rollingAverageValues(tickStatistics.duration1Min()))
+ .setLast5M(rollingAverageValues(tickStatistics.duration5Min()))
.build()
);
}
}
+ PingStatistics pingStatistics = this.platform.getPingStatistics();
+ if (pingStatistics != null && pingStatistics.getPingAverage().getSamples() != 0) {
+ builder.setPing(PlatformStatistics.Ping.newBuilder()
+ .setLast15M(rollingAverageValues(pingStatistics.getPingAverage()))
+ .build()
+ );
+ }
+
return builder.build();
}
- private static PlatformStatistics.Mspt.Values msptValues(RollingAverage rollingAverage) {
- return PlatformStatistics.Mspt.Values.newBuilder()
+ private static PlatformStatistics.RollingAverageValues rollingAverageValues(RollingAverage rollingAverage) {
+ return PlatformStatistics.RollingAverageValues.newBuilder()
.setMean(rollingAverage.mean())
.setMax(rollingAverage.max())
.setMin(rollingAverage.min())
diff --git a/spark-common/src/main/java/me/lucko/spark/common/util/RollingAverage.java b/spark-common/src/main/java/me/lucko/spark/common/util/RollingAverage.java
index 87c41a4..57dfdff 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/util/RollingAverage.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/util/RollingAverage.java
@@ -39,6 +39,12 @@ public class RollingAverage implements DoubleAverageInfo {
this.samples = new ArrayDeque<>(this.windowSize + 1);
}
+ public int getSamples() {
+ synchronized (this) {
+ return this.samples.size();
+ }
+ }
+
public void add(BigDecimal num) {
synchronized (this) {
this.total = this.total.add(num);
diff --git a/spark-common/src/main/java/me/lucko/spark/common/util/StatisticFormatter.java b/spark-common/src/main/java/me/lucko/spark/common/util/StatisticFormatter.java
new file mode 100644
index 0000000..9a2850e
--- /dev/null
+++ b/spark-common/src/main/java/me/lucko/spark/common/util/StatisticFormatter.java
@@ -0,0 +1,187 @@
+/*
+ * This file is part of spark.
+ *
+ * Copyright (c) lucko (Luck) <luck@lucko.me>
+ * Copyright (c) contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package me.lucko.spark.common.util;
+
+import com.google.common.base.Strings;
+
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.TextComponent;
+import net.kyori.adventure.text.format.TextColor;
+
+import java.lang.management.MemoryUsage;
+
+import static net.kyori.adventure.text.Component.text;
+import static net.kyori.adventure.text.format.NamedTextColor.DARK_GRAY;
+import static net.kyori.adventure.text.format.NamedTextColor.GRAY;
+import static net.kyori.adventure.text.format.NamedTextColor.GREEN;
+import static net.kyori.adventure.text.format.NamedTextColor.RED;
+import static net.kyori.adventure.text.format.NamedTextColor.YELLOW;
+
+public enum StatisticFormatter {
+ ;
+
+ private static final String BAR_CHARACTER = "|";
+
+ public static TextComponent formatTps(double tps) {
+ TextColor color;
+ if (tps > 18.0) {
+ color = GREEN;
+ } else if (tps > 16.0) {
+ color = YELLOW;
+ } else {
+ color = RED;
+ }
+
+ return text((tps > 20.0 ? "*" : "") + Math.min(Math.round(tps * 100.0) / 100.0, 20.0), color);
+ }
+
+ public static TextComponent formatTickDurations(RollingAverage average) {
+ return text()
+ .append(formatTickDuration(average.min()))
+ .append(text('/', GRAY))
+ .append(formatTickDuration(average.median()))
+ .append(text('/', GRAY))
+ .append(formatTickDuration(average.percentile95th()))
+ .append(text('/', GRAY))
+ .append(formatTickDuration(average.max()))
+ .build();
+ }
+
+ public static TextComponent formatTickDuration(double duration) {
+ TextColor color;
+ if (duration >= 50d) {
+ color = RED;
+ } else if (duration >= 40d) {
+ color = YELLOW;
+ } else {
+ color = GREEN;
+ }
+
+ return text(String.format("%.1f", duration), color);
+ }
+
+ public static TextComponent formatCpuUsage(double usage) {
+ TextColor color;
+ if (usage > 0.9) {
+ color = RED;
+ } else if (usage > 0.65) {
+ color = YELLOW;
+ } else {
+ color = GREEN;
+ }
+
+ return text(FormatUtil.percent(usage, 1d), color);
+ }
+
+ public static TextComponent formatPingRtts(double min, double median, double percentile95th, double max) {
+ return text()
+ .append(formatPingRtt(min))
+ .append(text('/', GRAY))
+ .append(formatPingRtt(median))
+ .append(text('/', GRAY))
+ .append(formatPingRtt(percentile95th))
+ .append(text('/', GRAY))
+ .append(formatPingRtt(max))
+ .build();
+ }
+
+ public static TextComponent formatPingRtt(double ping) {
+ TextColor color;
+ if (ping >= 200) {
+ color = RED;
+ } else if (ping >= 100) {
+ color = YELLOW;
+ } else {
+ color = GREEN;
+ }
+
+ return text((int) Math.ceil(ping), color);
+ }
+
+ public static TextComponent generateMemoryUsageDiagram(MemoryUsage usage, int length) {
+ double used = usage.getUsed();
+ double committed = usage.getCommitted();
+ double max = usage.getMax();
+
+ int usedChars = (int) ((used * length) / max);
+ int committedChars = (int) ((committed * length) / max);
+
+ TextComponent.Builder line = text().content(Strings.repeat(BAR_CHARACTER, usedChars)).color(YELLOW);
+ if (committedChars > usedChars) {
+ line.append(text(Strings.repeat(BAR_CHARACTER, (committedChars - usedChars) - 1), GRAY));
+ line.append(Component.text(BAR_CHARACTER, RED));
+ }
+ if (length > committedChars) {
+ line.append(text(Strings.repeat(BAR_CHARACTER, (length - committedChars)), GRAY));
+ }
+
+ return text()
+ .append(text("[", DARK_GRAY))
+ .append(line.build())
+ .append(text("]", DARK_GRAY))
+ .build();
+ }
+
+ public static TextComponent generateMemoryPoolDiagram(MemoryUsage usage, MemoryUsage collectionUsage, int length) {
+ double used = usage.getUsed();
+ double collectionUsed = used;
+ if (collectionUsage != null) {
+ collectionUsed = collectionUsage.getUsed();
+ }
+ double committed = usage.getCommitted();
+ double max = usage.getMax();
+
+ int usedChars = (int) ((used * length) / max);
+ int collectionUsedChars = (int) ((collectionUsed * length) / max);
+ int committedChars = (int) ((committed * length) / max);
+
+ TextComponent.Builder line = text().content(Strings.repeat(BAR_CHARACTER, collectionUsedChars)).color(YELLOW);
+
+ if (usedChars > collectionUsedChars) {
+ line.append(Component.text(BAR_CHARACTER, RED));
+ line.append(text(Strings.repeat(BAR_CHARACTER, (usedChars - collectionUsedChars) - 1), YELLOW));
+ }
+ if (committedChars > usedChars) {
+ line.append(text(Strings.repeat(BAR_CHARACTER, (committedChars - usedChars) - 1), GRAY));
+ line.append(Component.text(BAR_CHARACTER, YELLOW));
+ }
+ if (length > committedChars) {
+ line.append(text(Strings.repeat(BAR_CHARACTER, (length - committedChars)), GRAY));
+ }
+
+ return text()
+ .append(text("[", DARK_GRAY))
+ .append(line.build())
+ .append(text("]", DARK_GRAY))
+ .build();
+ }
+
+ public static TextComponent generateDiskUsageDiagram(double used, double max, int length) {
+ int usedChars = (int) ((used * length) / max);
+ int freeChars = length - usedChars;
+ return text()
+ .append(text("[", DARK_GRAY))
+ .append(text(Strings.repeat(BAR_CHARACTER, usedChars), YELLOW))
+ .append(text(Strings.repeat(BAR_CHARACTER, freeChars), GRAY))
+ .append(text("]", DARK_GRAY))
+ .build();
+ }
+}
diff --git a/spark-common/src/main/proto/spark/spark.proto b/spark-common/src/main/proto/spark/spark.proto
index ae04cd7..d800762 100644
--- a/spark-common/src/main/proto/spark/spark.proto
+++ b/spark-common/src/main/proto/spark/spark.proto
@@ -85,6 +85,7 @@ message PlatformStatistics {
int64 uptime = 3;
Tps tps = 4; // optional
Mspt mspt = 5; // optional
+ Ping ping = 6; // optional
message Memory {
MemoryPool heap = 1;
@@ -108,16 +109,20 @@ message PlatformStatistics {
}
message Mspt {
- Values last1m = 1;
- Values last5m = 2;
-
- message Values {
- double mean = 1;
- double max = 2;
- double min = 3;
- double median = 4;
- double percentile95 = 5;
- }
+ RollingAverageValues last1m = 1;
+ RollingAverageValues last5m = 2;
+ }
+
+ message Ping {
+ RollingAverageValues last15m = 1;
+ }
+
+ message RollingAverageValues {
+ double mean = 1;
+ double max = 2;
+ double min = 3;
+ double median = 4;
+ double percentile95 = 5;
}
}