Examples with Server cn.nukkit.Server used on opensource projects

Example 1 with Server

use of cn.nukkit.Server in project Nukkit by Nukkit.

the class DebugPasteCommand method execute.

@Override
public boolean execute(CommandSender sender, String commandLabel, String[] args) {
    if (!this.testPermission(sender)) {
        return true;
    }
    Server server = Server.getInstance();
    server.getScheduler().scheduleAsyncTask(new AsyncTask() {

        @Override
        public void onRun() {
            try {
                new StatusCommand("status").execute(server.getConsoleSender(), "status", new String[] {});
                String dataPath = server.getDataPath();
                String nukkitYML = HastebinUtility.upload(new File(dataPath, "nukkit.yml"));
                String serverProperties = HastebinUtility.upload(new File(dataPath, "server.properties"));
                String latestLog = HastebinUtility.upload(new File(dataPath, "server.log"));
                String threadDump = HastebinUtility.upload(Utils.getAllThreadDumps());
                StringBuilder b = new StringBuilder();
                b.append("# Files\n");
                b.append("links.nukkit_yml: ").append(nukkitYML).append('\n');
                b.append("links.server_properties: ").append(serverProperties).append('\n');
                b.append("links.server_log: ").append(latestLog).append('\n');
                b.append("links.thread_dump: ").append(threadDump).append('\n');
                b.append("\n# Server Information\n");
                b.append("version.api: ").append(server.getApiVersion()).append('\n');
                b.append("version.nukkit: ").append(server.getNukkitVersion()).append('\n');
                b.append("version.minecraft: ").append(server.getVersion()).append('\n');
                b.append("version.protocol: ").append(ProtocolInfo.CURRENT_PROTOCOL).append('\n');
                b.append("plugins:");
                for (Plugin plugin : server.getPluginManager().getPlugins().values()) {
                    boolean enabled = plugin.isEnabled();
                    String name = plugin.getName();
                    PluginDescription desc = plugin.getDescription();
                    String version = desc.getVersion();
                    b.append("\n  ").append(name).append(":\n    ").append("version: '").append(version).append('\'').append("\n    enabled: ").append(enabled);
                }
                b.append("\n\n# Java Details\n");
                Runtime runtime = Runtime.getRuntime();
                b.append("memory.free: ").append(runtime.freeMemory()).append('\n');
                b.append("memory.max: ").append(runtime.maxMemory()).append('\n');
                b.append("cpu.runtime: ").append(ManagementFactory.getRuntimeMXBean().getUptime()).append('\n');
                b.append("cpu.processors: ").append(runtime.availableProcessors()).append('\n');
                b.append("java.specification.version: '").append(System.getProperty("java.specification.version")).append("'\n");
                b.append("java.vendor: '").append(System.getProperty("java.vendor")).append("'\n");
                b.append("java.version: '").append(System.getProperty("java.version")).append("'\n");
                b.append("os.arch: '").append(System.getProperty("os.arch")).append("'\n");
                b.append("os.name: '").append(System.getProperty("os.name")).append("'\n");
                b.append("os.version: '").append(System.getProperty("os.version")).append("'\n\n");
                b.append("\n# Create a ticket: https://github.com/NukkitX/Nukkit/issues/new");
                String link = HastebinUtility.upload(b.toString());
                sender.sendMessage(link);
            } catch (IOException e) {
                MainLogger.getLogger().logException(e);
            }
        }
    });
    return true;
}

Example 2 with Server

use of cn.nukkit.Server in project Nukkit by Nukkit.

the class Item method initCreativeItems.

private static void initCreativeItems() {
    clearCreativeItems();
    Server server = Server.getInstance();
    String path = server.getDataPath() + "creativeitems.json";
    if (!new File(path).exists()) {
        try {
            Utils.writeFile(path, Server.class.getClassLoader().getResourceAsStream("creativeitems.json"));
        } catch (IOException e) {
            MainLogger.getLogger().logException(e);
            return;
        }
    }
    List<Map> list = new Config(path, Config.YAML).getMapList("items");
    for (Map map : list) {
        try {
            int id = (int) map.get("id");
            int damage = (int) map.getOrDefault("damage", 0);
            String hex = (String) map.get("nbt_hex");
            byte[] nbt = hex != null ? Utils.parseHexBinary(hex) : new byte[0];
            addCreativeItem(Item.get(id, damage, 1, nbt));
        } catch (Exception e) {
            MainLogger.getLogger().logException(e);
        }
    }
}

Example 3 with Server

use of cn.nukkit.Server in project Nukkit by Nukkit.

the class TimingsExport method reportTimings.

/**
 * 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());
        // In MCPE we have permanent offline mode.
        out.addProperty("online-mode", false);
        // "data:image/png;base64,"
        out.addProperty("icon", "");
    }
    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]);
    // Current snapshot
    history[HISTORY.size()] = new TimingsHistory();
    JsonObject timings = new JsonObject();
    for (TimingIdentifier.TimingGroup group : TimingIdentifier.GROUP_MAP.values()) {
        for (Timing id : group.timings.stream().toArray(Timing[]::new)) {
            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());
        // Sounds legit
        jsonPlugin.addProperty("description", plugin.getDescription().getDescription());
        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();
}

Example 4 with Server

use of cn.nukkit.Server in project Nukkit by Nukkit.

the class StatusCommand method execute.

@Override
public boolean execute(CommandSender sender, String commandLabel, String[] args) {
    if (!this.testPermission(sender)) {
        return true;
    }
    Server server = sender.getServer();
    sender.sendMessage(TextFormat.GREEN + "---- " + TextFormat.WHITE + "Server status" + TextFormat.GREEN + " ----");
    long time = (System.currentTimeMillis() - Nukkit.START_TIME) / 1000;
    int seconds = NukkitMath.floorDouble(time % 60);
    int minutes = NukkitMath.floorDouble((time % 3600) / 60);
    int hours = NukkitMath.floorDouble(time % (3600 * 24) / 3600);
    int days = NukkitMath.floorDouble(time / (3600 * 24));
    String upTimeString = TextFormat.RED + "" + days + TextFormat.GOLD + " days " + TextFormat.RED + hours + TextFormat.GOLD + " hours " + TextFormat.RED + minutes + TextFormat.GOLD + " minutes " + TextFormat.RED + seconds + TextFormat.GOLD + " seconds";
    sender.sendMessage(TextFormat.GOLD + "Uptime: " + upTimeString);
    TextFormat tpsColor = TextFormat.GREEN;
    float tps = server.getTicksPerSecond();
    if (tps < 17) {
        tpsColor = TextFormat.GOLD;
    } else if (tps < 12) {
        tpsColor = TextFormat.RED;
    }
    sender.sendMessage(TextFormat.GOLD + "Current TPS: " + tpsColor + NukkitMath.round(tps, 2));
    sender.sendMessage(TextFormat.GOLD + "Load: " + tpsColor + server.getTickUsage() + "%");
    sender.sendMessage(TextFormat.GOLD + "Network upload: " + TextFormat.GREEN + NukkitMath.round((server.getNetwork().getUpload() / 1024 * 1000), 2) + " kB/s");
    sender.sendMessage(TextFormat.GOLD + "Network download: " + TextFormat.GREEN + NukkitMath.round((server.getNetwork().getDownload() / 1024 * 1000), 2) + " kB/s");
    sender.sendMessage(TextFormat.GOLD + "Thread count: " + TextFormat.GREEN + Thread.getAllStackTraces().size());
    Runtime runtime = Runtime.getRuntime();
    double totalMB = NukkitMath.round(((double) runtime.totalMemory()) / 1024 / 1024, 2);
    double usedMB = NukkitMath.round((double) (runtime.totalMemory() - runtime.freeMemory()) / 1024 / 1024, 2);
    double maxMB = NukkitMath.round(((double) runtime.maxMemory()) / 1024 / 1024, 2);
    double usage = usedMB / maxMB * 100;
    TextFormat usageColor = TextFormat.GREEN;
    if (usage > 85) {
        usageColor = TextFormat.GOLD;
    }
    sender.sendMessage(TextFormat.GOLD + "Used memory: " + usageColor + usedMB + " MB. (" + NukkitMath.round(usage, 2) + "%)");
    sender.sendMessage(TextFormat.GOLD + "Total memory: " + TextFormat.RED + totalMB + " MB.");
    sender.sendMessage(TextFormat.GOLD + "Maximum VM memory: " + TextFormat.RED + maxMB + " MB.");
    sender.sendMessage(TextFormat.GOLD + "Available processors: " + TextFormat.GREEN + runtime.availableProcessors());
    TextFormat playerColor = TextFormat.GREEN;
    if (((float) server.getOnlinePlayers().size() / (float) server.getMaxPlayers()) > 0.85) {
        playerColor = TextFormat.GOLD;
    }
    sender.sendMessage(TextFormat.GOLD + "Players: " + playerColor + server.getOnlinePlayers().size() + TextFormat.GREEN + " online, " + TextFormat.RED + server.getMaxPlayers() + TextFormat.GREEN + " max. ");
    for (Level level : server.getLevels().values()) {
        sender.sendMessage(TextFormat.GOLD + "World \"" + level.getFolderName() + "\"" + (!Objects.equals(level.getFolderName(), level.getName()) ? " (" + level.getName() + ")" : "") + ": " + TextFormat.RED + level.getChunks().size() + TextFormat.GREEN + " chunks, " + TextFormat.RED + level.getEntities().length + TextFormat.GREEN + " entities, " + TextFormat.RED + level.getBlockEntities().size() + TextFormat.GREEN + " blockEntities." + " Time " + ((level.getTickRate() > 1 || level.getTickRateTime() > 40) ? TextFormat.RED : TextFormat.YELLOW) + NukkitMath.round(level.getTickRateTime(), 2) + "ms" + (level.getTickRate() > 1 ? " (tick rate " + level.getTickRate() + ")" : ""));
    }
    return true;
}