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A Minecraft Bedrock Edition server software implementation made in Java from scratch which supports all new features.
/*
* This file is licensed under the MIT License (MIT).
*
* Copyright (c) 2014 Daniel Ennis
*
* 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 co.aikar.timings;
import cn.nukkit.Server;
import cn.nukkit.command.CommandSender;
import cn.nukkit.command.ConsoleCommandSender;
import cn.nukkit.command.RemoteConsoleCommandSender;
import cn.nukkit.lang.TranslationContainer;
import cn.nukkit.nbt.stream.PGZIPOutputStream;
import cn.nukkit.timings.JsonUtil;
import cn.nukkit.utils.TextFormat;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonObject;
import java.io.*;
import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.zip.Deflater;
import static co.aikar.timings.TimingsManager.HISTORY;
public class TimingsExport extends Thread {
private final CommandSender sender;
private final JsonObject out;
private final TimingsHistory[] history;
private TimingsExport(CommandSender sender, JsonObject out, TimingsHistory[] history) {
super("Timings paste thread");
this.sender = sender;
this.out = out;
this.history = history;
}
/**
* Builds a JSON timings report and sends it to Aikar's viewer
*
* @param sender Sender that issued the command
*/
public static void reportTimings(CommandSender sender) {
JsonObject out = new JsonObject();
out.addProperty("version", Server.getInstance().getVersion());
out.addProperty("maxplayers", Server.getInstance().getMaxPlayers());
out.addProperty("start", TimingsManager.timingStart / 1000);
out.addProperty("end", System.currentTimeMillis() / 1000);
out.addProperty("sampletime", (System.currentTimeMillis() - TimingsManager.timingStart) / 1000);
if (!Timings.isPrivacy()) {
out.addProperty("server", Server.getInstance().getName());
out.addProperty("motd", Server.getInstance().getMotd());
out.addProperty("online-mode", false); //In MCPE we have permanent offline mode.
out.addProperty("icon", ""); //"data:image/png;base64,"
}
final Runtime runtime = Runtime.getRuntime();
RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
JsonObject system = new JsonObject();
system.addProperty("timingcost", getCost());
system.addProperty("name", System.getProperty("os.name"));
system.addProperty("version", System.getProperty("os.version"));
system.addProperty("jvmversion", System.getProperty("java.version"));
system.addProperty("arch", System.getProperty("os.arch"));
system.addProperty("maxmem", runtime.maxMemory());
system.addProperty("cpu", runtime.availableProcessors());
system.addProperty("runtime", ManagementFactory.getRuntimeMXBean().getUptime());
system.addProperty("flags", String.join(" ", runtimeBean.getInputArguments()));
system.add("gc", JsonUtil.mapToObject(ManagementFactory.getGarbageCollectorMXBeans(), (input) ->
new JsonUtil.JSONPair(input.getName(), JsonUtil.toArray(input.getCollectionCount(), input.getCollectionTime()))));
out.add("system", system);
TimingsHistory[] history = HISTORY.toArray(new TimingsHistory[HISTORY.size() + 1]);
history[HISTORY.size()] = new TimingsHistory(); //Current snapshot
JsonObject timings = new JsonObject();
for (TimingIdentifier.TimingGroup group : TimingIdentifier.GROUP_MAP.values()) {
for (Timing id : group.timings) {
if (!id.timed && !id.isSpecial()) {
continue;
}
timings.add(String.valueOf(id.id), JsonUtil.toArray(group.id, id.name));
}
}
JsonObject idmap = new JsonObject();
idmap.add("groups", JsonUtil.mapToObject(TimingIdentifier.GROUP_MAP.values(), (group) ->
new JsonUtil.JSONPair(group.id, group.name)));
idmap.add("handlers", timings);
idmap.add("worlds", JsonUtil.mapToObject(TimingsHistory.levelMap.entrySet(), (entry) ->
new JsonUtil.JSONPair(entry.getValue(), entry.getKey())));
idmap.add("tileentity", JsonUtil.mapToObject(TimingsHistory.blockEntityMap.entrySet(), (entry) ->
new JsonUtil.JSONPair(entry.getKey(), entry.getValue())));
idmap.add("entity", JsonUtil.mapToObject(TimingsHistory.entityMap.entrySet(), (entry) ->
new JsonUtil.JSONPair(entry.getKey(), entry.getValue())));
out.add("idmap", idmap);
//Information about loaded plugins
out.add("plugins", JsonUtil.mapToObject(Server.getInstance().getPluginManager().getPlugins().values(), (plugin) -> {
JsonObject jsonPlugin = new JsonObject();
jsonPlugin.addProperty("version", plugin.getDescription().getVersion());
jsonPlugin.addProperty("description", plugin.getDescription().getDescription());// Sounds legit
jsonPlugin.addProperty("website", plugin.getDescription().getWebsite());
jsonPlugin.addProperty("authors", String.join(", ", plugin.getDescription().getAuthors()));
return new JsonUtil.JSONPair(plugin.getName(), jsonPlugin);
}));
//Information on the users Config
JsonObject config = new JsonObject();
if (!Timings.getIgnoredConfigSections().contains("all")) {
JsonObject nukkit = JsonUtil.toObject(Server.getInstance().getConfig().getRootSection());
Timings.getIgnoredConfigSections().forEach(nukkit::remove);
config.add("nukkit", nukkit);
} else {
config.add("nukkit", null);
}
out.add("config", config);
new TimingsExport(sender, out, history).start();
}
private static long getCost() {
int passes = 200;
Timing SAMPLER1 = TimingsManager.getTiming(null, "Timings sampler 1", null);
Timing SAMPLER2 = TimingsManager.getTiming(null, "Timings sampler 2", null);
Timing SAMPLER3 = TimingsManager.getTiming(null, "Timings sampler 3", null);
Timing SAMPLER4 = TimingsManager.getTiming(null, "Timings sampler 4", null);
Timing SAMPLER5 = TimingsManager.getTiming(null, "Timings sampler 5", null);
Timing SAMPLER6 = TimingsManager.getTiming(null, "Timings sampler 6", null);
long start = System.nanoTime();
for (int i = 0; i < passes; i++) {
SAMPLER1.startTiming();
SAMPLER2.startTiming();
SAMPLER3.startTiming();
SAMPLER4.startTiming();
SAMPLER5.startTiming();
SAMPLER6.startTiming();
SAMPLER6.stopTiming();
SAMPLER5.stopTiming();
SAMPLER4.stopTiming();
SAMPLER3.stopTiming();
SAMPLER2.stopTiming();
SAMPLER1.stopTiming();
}
long timingsCost = (System.nanoTime() - start) / passes / 6;
SAMPLER1.reset(true);
SAMPLER2.reset(true);
SAMPLER3.reset(true);
SAMPLER4.reset(true);
SAMPLER5.reset(true);
SAMPLER6.reset(true);
return timingsCost;
}
@Override
public synchronized void start() {
if (this.sender instanceof RemoteConsoleCommandSender) {
this.sender.sendMessage(new TranslationContainer("nukkit.command.timings.rcon"));
run();
} else {
super.start();
}
}
@Override
public void run() {
this.sender.sendMessage(new TranslationContainer("nukkit.command.timings.uploadStart"));
this.out.add("data", JsonUtil.mapToArray(this.history, TimingsHistory::export));
String response = null;
try {
HttpURLConnection con = (HttpURLConnection) new URL("http://timings.aikar.co/post").openConnection();
con.setDoOutput(true);
con.setRequestProperty("User-Agent", "Nukkit/" + Server.getInstance().getName() + "/" + InetAddress.getLocalHost().getHostName());
con.setRequestMethod("POST");
con.setInstanceFollowRedirects(false);
PGZIPOutputStream request = new PGZIPOutputStream(con.getOutputStream());
request.setLevel(Deflater.BEST_COMPRESSION);
request.write(new Gson().toJson(this.out).getBytes(StandardCharsets.UTF_8));
request.close();
response = getResponse(con);
if (con.getResponseCode() != 302) {
this.sender.sendMessage(new TranslationContainer("nukkit.command.timings.uploadError", String.valueOf(con.getResponseCode()), con.getResponseMessage()));
if (response != null) {
Server.getInstance().getLogger().alert(response);
}
return;
}
String location = con.getHeaderField("Location");
this.sender.sendMessage(new TranslationContainer("nukkit.command.timings.timingsLocation", location));
if (!(this.sender instanceof ConsoleCommandSender)) {
Server.getInstance().getLogger().info(Server.getInstance().getLanguage().translateString("nukkit.command.timings.timingsLocation", location));
}
if (response != null && !response.isEmpty()) {
Server.getInstance().getLogger().info(Server.getInstance().getLanguage().translateString("nukkit.command.timings.timingsResponse", response));
}
File timingFolder = new File(Server.getInstance().getDataPath() + File.separator + "timings");
timingFolder.mkdirs();
String fileName = timingFolder + File.separator + new SimpleDateFormat("'timings-'yyyy-MM-dd-hh-mm'.txt'").format(new Date());
FileWriter writer = new FileWriter(fileName);
writer.write(Server.getInstance().getLanguage().translateString("nukkit.command.timings.timingsLocation", location) + "\n\n");
writer.write(new GsonBuilder().setPrettyPrinting().create().toJson(this.out));
writer.close();
Server.getInstance().getLogger().info(Server.getInstance().getLanguage().translateString("nukkit.command.timings.timingsWrite", fileName));
} catch (IOException exception) {
this.sender.sendMessage(TextFormat.RED + "" + new TranslationContainer("nukkit.command.timings.reportError"));
if (response != null) {
Server.getInstance().getLogger().alert(response);
}
Server.getInstance().getLogger().logException(exception);
}
}
private String getResponse(HttpURLConnection con) throws IOException {
try (InputStream is = con.getInputStream()) {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
byte[] b = new byte[1024];
int bytesRead;
while ((bytesRead = is.read(b)) != -1) {
bos.write(b, 0, bytesRead);
}
return bos.toString();
} catch (IOException exception) {
this.sender.sendMessage(TextFormat.RED + "" + new TranslationContainer("nukkit.command.timings.reportError"));
Server.getInstance().getLogger().warning(con.getResponseMessage(), exception);
return null;
}
}
}