113 lines
4.0 KiB
Java
113 lines
4.0 KiB
Java
package me.totalfreedom.totalfreedommod.command;
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import me.totalfreedom.totalfreedommod.TotalFreedomMod;
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import me.totalfreedom.totalfreedommod.command.handling.CommandParameters;
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import me.totalfreedom.totalfreedommod.command.handling.CommandPermissions;
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import me.totalfreedom.totalfreedommod.command.handling.FreedomCommand;
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import me.totalfreedom.totalfreedommod.command.handling.SourceType;
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import me.totalfreedom.totalfreedommod.util.FLog;
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import org.apache.commons.lang.math.DoubleRange;
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import org.bukkit.ChatColor;
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import org.bukkit.command.Command;
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import org.bukkit.command.CommandSender;
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import org.bukkit.entity.Player;
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import org.bukkit.scheduler.BukkitRunnable;
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import org.bukkit.scheduler.BukkitTask;
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import java.text.DecimalFormat;
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import java.util.concurrent.atomic.AtomicInteger;
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@CommandPermissions(permission = "health", source = SourceType.BOTH)
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@CommandParameters(description = "View server health, such as ticks-per-second, memory, etc.", usage = "/<command>")
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public class Command_health extends FreedomCommand
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{
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private static final int BYTES_PER_MB = 1024 * 1024;
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private static final DoubleRange TPS_RANGE = new DoubleRange(20.0 - 0.1, 20.0 + 0.1);
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@Override
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public boolean run(final CommandSender sender, Player playerSender, Command cmd, String commandLabel, String[] args, boolean senderIsConsole)
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{
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Runtime runtime = Runtime.getRuntime();
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long usedMem = runtime.totalMemory() - runtime.freeMemory();
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msg("Reserved Memory: " + (double) runtime.totalMemory() / (double) BYTES_PER_MB + "mb");
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msg("Used Memory: " + new DecimalFormat("#").format((double) usedMem / (double) BYTES_PER_MB)
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+ "mb (" + new DecimalFormat("#").format(((double) usedMem / (double) runtime.totalMemory()) * 100.0) + "%)");
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msg("Max Memory: " + (double) runtime.maxMemory() / (double) BYTES_PER_MB + "mb");
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msg("Calculating ticks per second, please wait...");
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new BukkitRunnable()
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{
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@Override
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public void run()
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{
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try
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{
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TFM_TickMeter tickMeter = new TFM_TickMeter(plugin);
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tickMeter.startTicking();
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Thread.sleep(2500);
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final double ticksPerSecond = tickMeter.stopTicking();
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// Plugin was disabled during async task
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if (!plugin.isEnabled())
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{
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return;
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}
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new BukkitRunnable()
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{
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@Override
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public void run()
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{
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msg("Ticks per second: " + (TPS_RANGE.containsDouble(ticksPerSecond) ? ChatColor.GREEN : ChatColor.RED) + ticksPerSecond);
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}
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}.runTask(plugin);
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} catch (Exception ex)
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{
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FLog.severe(ex);
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}
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}
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}.runTaskAsynchronously(plugin);
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return true;
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}
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private static class TFM_TickMeter
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{
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private final AtomicInteger ticks = new AtomicInteger();
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private final TotalFreedomMod plugin;
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private long startTime;
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private BukkitTask task;
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public TFM_TickMeter(TotalFreedomMod plugin)
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{
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this.plugin = plugin;
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}
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public void startTicking()
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{
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startTime = System.currentTimeMillis();
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ticks.set(0);
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task = new BukkitRunnable()
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{
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@Override
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public void run()
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{
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ticks.incrementAndGet();
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}
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}.runTaskTimer(plugin, 0L, 1L);
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}
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public double stopTicking()
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{
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task.cancel();
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long elapsed = System.currentTimeMillis() - startTime;
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int tickCount = ticks.get();
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return (double) tickCount / ((double) elapsed / 1000.0);
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}
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}
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} |