IPv6 Integration

cloudnet-api/cloudnet-api-bridge/src/main/java/eu/cloudnetservice/cloudnet/v2/bridge/BukkitBootstrap.java

@@ -12,11 +12,9 @@
 import org.bukkit.plugin.java.JavaPlugin;
 
 import java.net.InetSocketAddress;
+import java.net.UnknownHostException;
 import java.nio.file.Paths;
 
-/**
- * Created by Tareko on 17.08.2017.
- */
 public final class BukkitBootstrap extends JavaPlugin {
 
     /**
@@ -27,9 +25,13 @@ public final class BukkitBootstrap extends JavaPlugin {
 
     @Override
     public void onLoad() {
-        api = new CloudAPI(new CloudConfigLoader(Paths.get("CLOUD", "connection.json"),
-                                                 Paths.get("CLOUD", "config.json"),
-                                                 ConfigTypeLoader.INTERNAL), getLogger());
+        try {
+            api = new CloudAPI(new CloudConfigLoader(Paths.get("CLOUD", "connection.json"),
+                                                     Paths.get("CLOUD", "config.json"),
+                                                     ConfigTypeLoader.INTERNAL), getLogger());
+        } catch (UnknownHostException e) {
+            e.printStackTrace();
+        }
     }
 
     @Override
@@ -63,16 +65,6 @@ public void onEnable() {
         loadPlayers();
     }
 
-    /**
-     * If players are joined on the Bukkit server prior to this plugin being enabled (ie. a reload just happened),
-     * loads all players from the cloud into the cache.
-     */
-    private void loadPlayers() {
-        for (Player all : getServer().getOnlinePlayers()) {
-            api.getOnlinePlayer(all.getUniqueId());
-        }
-    }
-
     /**
      * Starts the update task for this server.
      */
@@ -89,6 +81,16 @@ private void startUpdateTask() {
         }
     }
 
+    /**
+     * If players are joined on the Bukkit server prior to this plugin being enabled (ie. a reload just happened),
+     * loads all players from the cloud into the cache.
+     */
+    private void loadPlayers() {
+        for (Player all : getServer().getOnlinePlayers()) {
+            api.getOnlinePlayer(all.getUniqueId());
+        }
+    }
+
     /**
      * Returns the runnable to be executed when updating the server instance.
      *

cloudnet-api/cloudnet-api-bridge/src/main/java/eu/cloudnetservice/cloudnet/v2/bridge/CloudProxy.java

@@ -21,8 +21,11 @@
 import net.md_5.bungee.api.chat.TextComponent;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 import net.md_5.bungee.api.plugin.Plugin;
+import org.apache.commons.validator.routines.InetAddressValidator;
 
+import java.net.InetAddress;
 import java.net.InetSocketAddress;
+import java.net.UnknownHostException;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
@@ -228,11 +231,13 @@ private String getDefaultFallbackServer(final String kickedFrom) {
         }
     }
 
-    @Override
-    public CompletableFuture<ProxyProcessMeta> waitForProxy(final UUID uuid) {
-        final CompletableFuture<ProxyProcessMeta> future = new CompletableFuture<>();
-        this.waitingProxies.put(uuid, future);
-        return future;
+    /**
+     * Returns the instance of this {@link CloudProxy}.
+     *
+     * @return the singleton instance of this class.
+     */
+    public static CloudProxy getInstance() {
+        return instance;
     }
 
     /**
@@ -294,14 +299,22 @@ public void updateAsync() {
      * Updates this proxy instance with all of its' state using the API.
      */
     public void update() {
-        new ProxyInfo(this.cloudAPI.getServiceId(),
-                      this.cloudAPI.getConfig().getString("host"),
-                      0,
-                      true,
-                      ProxyServer.getInstance().getPlayers().stream()
-                                 .collect(Collectors.toMap(ProxiedPlayer::getUniqueId, CommandSender::getName)),
-                      proxyProcessMeta.getMemory())
-            .fetch(this.cloudAPI::update);
+        String host = this.cloudAPI.getConfig().getString("host");
+
+        try {
+            if (InetAddressValidator.getInstance().isValid(host)) {
+                new ProxyInfo(this.cloudAPI.getServiceId(),
+                              InetAddress.getByName(host),
+                              0,
+                              true,
+                              ProxyServer.getInstance().getPlayers().stream()
+                                         .collect(Collectors.toMap(ProxiedPlayer::getUniqueId, CommandSender::getName)),
+                              proxyProcessMeta.getMemory())
+                    .fetch(this.cloudAPI::update);
+            }
+        } catch (UnknownHostException e) {
+            e.printStackTrace();
+        }
     }
 
     /**
@@ -355,6 +368,13 @@ public Map<String, ServerInfo> getServers() {
         return this.cachedServers;
     }
 
+    @Override
+    public CompletableFuture<ProxyProcessMeta> waitForProxy(final UUID uuid) {
+        final CompletableFuture<ProxyProcessMeta> future = new CompletableFuture<>();
+        this.waitingProxies.put(uuid, future);
+        return future;
+    }
+
     @Override
     public CompletableFuture<ServerProcessMeta> waitForServer(final UUID uuid) {
         final CompletableFuture<ServerProcessMeta> future = new CompletableFuture<>();
@@ -492,15 +512,6 @@ public void onCloudNetworkUpdate(CloudNetwork cloudNetwork) {
 
     }
 
-    /**
-     * Returns the instance of this {@link CloudProxy}.
-     *
-     * @return the singleton instance of this class.
-     */
-    public static CloudProxy getInstance() {
-        return instance;
-    }
-
     @Override
     public void onCustomChannelMessageReceive(String channel, String message, Document document) {
         if (handle(channel, message, document)) {

cloudnet-api/cloudnet-api-bridge/src/main/java/eu/cloudnetservice/cloudnet/v2/bridge/CloudServer.java

@@ -28,6 +28,7 @@
 import java.io.File;
 import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
+import java.net.InetAddress;
 import java.net.URL;
 import java.net.URLConnection;
 import java.nio.file.Files;
@@ -50,7 +51,7 @@ public class CloudServer implements CloudService, NetworkHandler {
     private final BukkitBootstrap bukkitBootstrap;
 
     private final Map<UUID, CloudPlayer> cloudPlayers = new ConcurrentHashMap<>();
-    private final String hostAddress;
+    private final InetAddress hostAddress;
     private final int port;
     private final Template template;
     private final int memory;
@@ -210,7 +211,7 @@ public int getPort() {
         return port;
     }
 
-    public String getHostAddress() {
+    public InetAddress getHostAddress() {
         return hostAddress;
     }
 

cloudnet-api/cloudnet-api-bridge/src/main/java/eu/cloudnetservice/cloudnet/v2/bridge/ProxiedBootstrap.java

@@ -11,6 +11,7 @@
 import net.md_5.bungee.api.ProxyServer;
 import net.md_5.bungee.api.plugin.Plugin;
 
+import java.net.UnknownHostException;
 import java.nio.file.Paths;
 import java.util.logging.Level;
 
@@ -32,9 +33,13 @@ public class ProxiedBootstrap extends Plugin {
 
     @Override
     public void onLoad() {
-        this.api = new CloudAPI(new CloudConfigLoader(Paths.get("CLOUD", "connection.json"),
-                                                      Paths.get("CLOUD", "config.json"),
-                                                      ConfigTypeLoader.INTERNAL), this.getLogger());
+        try {
+            this.api = new CloudAPI(new CloudConfigLoader(Paths.get("CLOUD", "connection.json"),
+                                                          Paths.get("CLOUD", "config.json"),
+                                                          ConfigTypeLoader.INTERNAL), this.getLogger());
+        } catch (UnknownHostException e) {
+            e.printStackTrace();
+        }
         getLogger().setLevel(Level.INFO);
     }
 

cloudnet-api/cloudnet-api-core/src/main/java/eu/cloudnetservice/cloudnet/v2/api/CloudAPI.java

@@ -32,6 +32,8 @@
 import org.bukkit.Bukkit;
 
 import java.lang.reflect.Type;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
 import java.util.*;
 import java.util.logging.Level;
 import java.util.logging.Logger;
@@ -62,15 +64,16 @@ public final class CloudAPI {
     //Init
     private CloudNetwork cloudNetwork = new CloudNetwork();
 
-    public CloudAPI(CloudConfigLoader loader, final Logger logger) {
+    public CloudAPI(CloudConfigLoader loader, final Logger logger) throws UnknownHostException {
         if (instance != null) {
             throw new IllegalStateException("CloudAPI already instantiated.");
         }
         instance = this;
         this.cloudConfigLoader = loader;
         this.logger = logger;
         this.config = loader.loadConfig();
-        this.networkConnection = new NetworkConnection(loader.loadConnnection(), new ConnectableAddress("0.0.0.0", 0));
+        this.networkConnection = new NetworkConnection(loader.loadConnnection(),
+                                                       new ConnectableAddress(InetAddress.getByName("0.0.0.0"), 0));
         this.serviceId = config.getObject("serviceId", ServiceId.TYPE);
         this.memory = config.getInt("memory");
 

cloudnet-api/pom.xml

@@ -63,6 +63,12 @@
                 </exclusion>
             </exclusions>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/commons-validator/commons-validator -->
+        <dependency>
+            <groupId>commons-validator</groupId>
+            <artifactId>commons-validator</artifactId>
+            <version>1.6</version>
+        </dependency>
     </dependencies>
 
 </project>

cloudnet-lib/src/main/java/eu/cloudnetservice/cloudnet/v2/lib/ConnectableAddress.java

@@ -3,26 +3,28 @@
 import com.google.gson.reflect.TypeToken;
 
 import java.lang.reflect.Type;
+import java.net.InetAddress;
 
 /**
- * Created by Tareko on 07.06.2017.
+ * Class specifying a Adress & Port Combination
+ * for Wrapper & Master Connections
  */
 public class ConnectableAddress {
 
     public static final Type TYPE = TypeToken.get(ConnectableAddress.class).getType();
-    private final String hostName;
+    private final InetAddress hostName;
     private final int port;
 
-    public ConnectableAddress(String hostName, int port) {
-        this.hostName = hostName;
+    public ConnectableAddress(InetAddress adress, int port) {
+        this.hostName = adress;
         this.port = port;
     }
 
     public int getPort() {
         return port;
     }
 
-    public String getHostName() {
+    public InetAddress getHostName() {
         return hostName;
     }
 }