001package net.minecraft.server.dedicated;
002
003import cpw.mods.fml.common.FMLCommonHandler;
004import cpw.mods.fml.relauncher.Side;
005import cpw.mods.fml.relauncher.SideOnly;
006import java.io.File;
007import java.io.IOException;
008import java.net.InetAddress;
009import java.util.ArrayList;
010import java.util.Collections;
011import java.util.List;
012import java.util.Random;
013import java.util.logging.Level;
014import net.minecraft.command.ICommandSender;
015import net.minecraft.command.ServerCommand;
016import net.minecraft.crash.CrashReport;
017import net.minecraft.network.NetworkListenThread;
018import net.minecraft.network.rcon.IServer;
019import net.minecraft.network.rcon.RConThreadMain;
020import net.minecraft.network.rcon.RConThreadQuery;
021import net.minecraft.profiler.PlayerUsageSnooper;
022import net.minecraft.server.MinecraftServer;
023import net.minecraft.server.gui.ServerGUI;
024import net.minecraft.server.management.ServerConfigurationManager;
025import net.minecraft.util.CryptManager;
026import net.minecraft.util.MathHelper;
027import net.minecraft.world.EnumGameType;
028import net.minecraft.world.WorldSettings;
029import net.minecraft.world.WorldType;
030
031public class DedicatedServer extends MinecraftServer implements IServer
032{
033    private final List pendingCommandList = Collections.synchronizedList(new ArrayList());
034    private RConThreadQuery theRConThreadQuery;
035    private RConThreadMain theRConThreadMain;
036    private PropertyManager settings;
037    private boolean canSpawnStructures;
038    private EnumGameType gameType;
039    private NetworkListenThread networkThread;
040    private boolean guiIsEnabled = false;
041
042    public DedicatedServer(File par1File)
043    {
044        super(par1File);
045        new DedicatedServerSleepThread(this);
046    }
047
048    /**
049     * Initialises the server and starts it.
050     */
051    protected boolean startServer() throws IOException
052    {
053        DedicatedServerCommandThread var1 = new DedicatedServerCommandThread(this);
054        var1.setDaemon(true);
055        var1.start();
056        ConsoleLogManager.init();
057        logger.info("Starting minecraft server version 1.4.7");
058
059        if (Runtime.getRuntime().maxMemory() / 1024L / 1024L < 512L)
060        {
061            logger.warning("To start the server with more ram, launch it as \"java -Xmx1024M -Xms1024M -jar minecraft_server.jar\"");
062        }
063
064        FMLCommonHandler.instance().onServerStart(this);
065
066        logger.info("Loading properties");
067        this.settings = new PropertyManager(new File("server.properties"));
068
069        if (this.isSinglePlayer())
070        {
071            this.setHostname("127.0.0.1");
072        }
073        else
074        {
075            this.setOnlineMode(this.settings.getBooleanProperty("online-mode", true));
076            this.setHostname(this.settings.getProperty("server-ip", ""));
077        }
078
079        this.setCanSpawnAnimals(this.settings.getBooleanProperty("spawn-animals", true));
080        this.setCanSpawnNPCs(this.settings.getBooleanProperty("spawn-npcs", true));
081        this.setAllowPvp(this.settings.getBooleanProperty("pvp", true));
082        this.setAllowFlight(this.settings.getBooleanProperty("allow-flight", false));
083        this.setTexturePack(this.settings.getProperty("texture-pack", ""));
084        this.setMOTD(this.settings.getProperty("motd", "A Minecraft Server"));
085
086        if (this.settings.getIntProperty("difficulty", 1) < 0)
087        {
088            this.settings.setProperty("difficulty", Integer.valueOf(0));
089        }
090        else if (this.settings.getIntProperty("difficulty", 1) > 3)
091        {
092            this.settings.setProperty("difficulty", Integer.valueOf(3));
093        }
094
095        this.canSpawnStructures = this.settings.getBooleanProperty("generate-structures", true);
096        int var2 = this.settings.getIntProperty("gamemode", EnumGameType.SURVIVAL.getID());
097        this.gameType = WorldSettings.getGameTypeById(var2);
098        logger.info("Default game type: " + this.gameType);
099        InetAddress var3 = null;
100
101        if (this.getServerHostname().length() > 0)
102        {
103            var3 = InetAddress.getByName(this.getServerHostname());
104        }
105
106        if (this.getServerPort() < 0)
107        {
108            this.setServerPort(this.settings.getIntProperty("server-port", 25565));
109        }
110
111        logger.info("Generating keypair");
112        this.setKeyPair(CryptManager.createNewKeyPair());
113        logger.info("Starting Minecraft server on " + (this.getServerHostname().length() == 0 ? "*" : this.getServerHostname()) + ":" + this.getServerPort());
114
115        try
116        {
117            this.networkThread = new DedicatedServerListenThread(this, var3, this.getServerPort());
118        }
119        catch (IOException var16)
120        {
121            logger.warning("**** FAILED TO BIND TO PORT!");
122            logger.log(Level.WARNING, "The exception was: " + var16.toString());
123            logger.warning("Perhaps a server is already running on that port?");
124            return false;
125        }
126
127        if (!this.isServerInOnlineMode())
128        {
129            logger.warning("**** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!");
130            logger.warning("The server will make no attempt to authenticate usernames. Beware.");
131            logger.warning("While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.");
132            logger.warning("To change this, set \"online-mode\" to \"true\" in the server.properties file.");
133        }
134
135        FMLCommonHandler.instance().onServerStarted();
136
137        this.setConfigurationManager(new DedicatedPlayerList(this));
138        long var4 = System.nanoTime();
139
140        if (this.getFolderName() == null)
141        {
142            this.setFolderName(this.settings.getProperty("level-name", "world"));
143        }
144
145        String var6 = this.settings.getProperty("level-seed", "");
146        String var7 = this.settings.getProperty("level-type", "DEFAULT");
147        String var8 = this.settings.getProperty("generator-settings", "");
148        long var9 = (new Random()).nextLong();
149
150        if (var6.length() > 0)
151        {
152            try
153            {
154                long var11 = Long.parseLong(var6);
155
156                if (var11 != 0L)
157                {
158                    var9 = var11;
159                }
160            }
161            catch (NumberFormatException var15)
162            {
163                var9 = (long)var6.hashCode();
164            }
165        }
166
167        WorldType var17 = WorldType.parseWorldType(var7);
168
169        if (var17 == null)
170        {
171            var17 = WorldType.DEFAULT;
172        }
173
174        this.setBuildLimit(this.settings.getIntProperty("max-build-height", 256));
175        this.setBuildLimit((this.getBuildLimit() + 8) / 16 * 16);
176        this.setBuildLimit(MathHelper.clamp_int(this.getBuildLimit(), 64, 256));
177        this.settings.setProperty("max-build-height", Integer.valueOf(this.getBuildLimit()));
178        logger.info("Preparing level \"" + this.getFolderName() + "\"");
179        this.loadAllWorlds(this.getFolderName(), this.getFolderName(), var9, var17, var8);
180        long var12 = System.nanoTime() - var4;
181        String var14 = String.format("%.3fs", new Object[] {Double.valueOf((double)var12 / 1.0E9D)});
182        logger.info("Done (" + var14 + ")! For help, type \"help\" or \"?\"");
183
184        if (this.settings.getBooleanProperty("enable-query", false))
185        {
186            logger.info("Starting GS4 status listener");
187            this.theRConThreadQuery = new RConThreadQuery(this);
188            this.theRConThreadQuery.startThread();
189        }
190
191        if (this.settings.getBooleanProperty("enable-rcon", false))
192        {
193            logger.info("Starting remote control listener");
194            this.theRConThreadMain = new RConThreadMain(this);
195            this.theRConThreadMain.startThread();
196        }
197
198        FMLCommonHandler.instance().handleServerStarting(this);
199
200        return true;
201    }
202
203    public boolean canStructuresSpawn()
204    {
205        return this.canSpawnStructures;
206    }
207
208    public EnumGameType getGameType()
209    {
210        return this.gameType;
211    }
212
213    /**
214     * Defaults to "1" (Easy) for the dedicated server, defaults to "2" (Normal) on the client.
215     */
216    public int getDifficulty()
217    {
218        return this.settings.getIntProperty("difficulty", 1);
219    }
220
221    /**
222     * Defaults to false.
223     */
224    public boolean isHardcore()
225    {
226        return this.settings.getBooleanProperty("hardcore", false);
227    }
228
229    /**
230     * Called on exit from the main run() loop.
231     */
232    protected void finalTick(CrashReport par1CrashReport)
233    {
234        while (this.isServerRunning())
235        {
236            this.executePendingCommands();
237
238            try
239            {
240                Thread.sleep(10L);
241            }
242            catch (InterruptedException var3)
243            {
244                var3.printStackTrace();
245            }
246        }
247    }
248
249    /**
250     * Adds the server info, including from theWorldServer, to the crash report.
251     */
252    public CrashReport addServerInfoToCrashReport(CrashReport par1CrashReport)
253    {
254        par1CrashReport = super.addServerInfoToCrashReport(par1CrashReport);
255        par1CrashReport.func_85056_g().addCrashSectionCallable("Is Modded", new CallableType(this));
256        par1CrashReport.func_85056_g().addCrashSectionCallable("Type", new CallableServerType(this));
257        return par1CrashReport;
258    }
259
260    /**
261     * Directly calls System.exit(0), instantly killing the program.
262     */
263    protected void systemExitNow()
264    {
265        System.exit(0);
266    }
267
268    public void updateTimeLightAndEntities()
269    {
270        super.updateTimeLightAndEntities();
271        this.executePendingCommands();
272    }
273
274    public boolean getAllowNether()
275    {
276        return this.settings.getBooleanProperty("allow-nether", true);
277    }
278
279    public boolean allowSpawnMonsters()
280    {
281        return this.settings.getBooleanProperty("spawn-monsters", true);
282    }
283
284    public void addServerStatsToSnooper(PlayerUsageSnooper par1PlayerUsageSnooper)
285    {
286        par1PlayerUsageSnooper.addData("whitelist_enabled", Boolean.valueOf(this.getDedicatedPlayerList().isWhiteListEnabled()));
287        par1PlayerUsageSnooper.addData("whitelist_count", Integer.valueOf(this.getDedicatedPlayerList().getWhiteListedPlayers().size()));
288        super.addServerStatsToSnooper(par1PlayerUsageSnooper);
289    }
290
291    /**
292     * Returns whether snooping is enabled or not.
293     */
294    public boolean isSnooperEnabled()
295    {
296        return this.settings.getBooleanProperty("snooper-enabled", true);
297    }
298
299    public void addPendingCommand(String par1Str, ICommandSender par2ICommandSender)
300    {
301        this.pendingCommandList.add(new ServerCommand(par1Str, par2ICommandSender));
302    }
303
304    public void executePendingCommands()
305    {
306        while (!this.pendingCommandList.isEmpty())
307        {
308            ServerCommand var1 = (ServerCommand)this.pendingCommandList.remove(0);
309            this.getCommandManager().executeCommand(var1.sender, var1.command);
310        }
311    }
312
313    public boolean isDedicatedServer()
314    {
315        return true;
316    }
317
318    public DedicatedPlayerList getDedicatedPlayerList()
319    {
320        return (DedicatedPlayerList)super.getConfigurationManager();
321    }
322
323    public NetworkListenThread getNetworkThread()
324    {
325        return this.networkThread;
326    }
327
328    /**
329     * Gets an integer property. If it does not exist, set it to the specified value.
330     */
331    public int getIntProperty(String par1Str, int par2)
332    {
333        return this.settings.getIntProperty(par1Str, par2);
334    }
335
336    /**
337     * Gets a string property. If it does not exist, set it to the specified value.
338     */
339    public String getStringProperty(String par1Str, String par2Str)
340    {
341        return this.settings.getProperty(par1Str, par2Str);
342    }
343
344    /**
345     * Gets a boolean property. If it does not exist, set it to the specified value.
346     */
347    public boolean getBooleanProperty(String par1Str, boolean par2)
348    {
349        return this.settings.getBooleanProperty(par1Str, par2);
350    }
351
352    /**
353     * Saves an Object with the given property name.
354     */
355    public void setProperty(String par1Str, Object par2Obj)
356    {
357        this.settings.setProperty(par1Str, par2Obj);
358    }
359
360    /**
361     * Saves all of the server properties to the properties file.
362     */
363    public void saveProperties()
364    {
365        this.settings.saveProperties();
366    }
367
368    /**
369     * Returns the filename where server properties are stored
370     */
371    public String getSettingsFilename()
372    {
373        File var1 = this.settings.getPropertiesFile();
374        return var1 != null ? var1.getAbsolutePath() : "No settings file";
375    }
376
377    public boolean getGuiEnabled()
378    {
379        return this.guiIsEnabled;
380    }
381
382    /**
383     * On dedicated does nothing. On integrated, sets commandsAllowedForAll, gameType and allows external connections.
384     */
385    public String shareToLAN(EnumGameType par1EnumGameType, boolean par2)
386    {
387        return "";
388    }
389
390    /**
391     * Return whether command blocks are enabled.
392     */
393    public boolean isCommandBlockEnabled()
394    {
395        return this.settings.getBooleanProperty("enable-command-block", false);
396    }
397
398    /**
399     * Return the spawn protection area's size.
400     */
401    public int getSpawnProtectionSize()
402    {
403        return this.settings.getIntProperty("spawn-protection", super.getSpawnProtectionSize());
404    }
405
406    public ServerConfigurationManager getConfigurationManager()
407    {
408        return this.getDedicatedPlayerList();
409    }
410
411    @SideOnly(Side.SERVER)
412    public void enableGui()
413    {
414        ServerGUI.initGUI(this);
415        this.guiIsEnabled = true;
416    }
417}