local websocket port requester

G-Earth/src/main/java/gearth/protocol/connection/proxy/unity/PortRequester.java

@@ -0,0 +1,26 @@
+package gearth.protocol.connection.proxy.unity;
+
+import javafx.beans.InvalidationListener;
+import org.eclipse.jetty.websocket.jsr356.annotations.JsrParamIdText;
+
+import javax.websocket.OnOpen;
+import javax.websocket.Session;
+import javax.websocket.server.ServerEndpoint;
+import java.io.IOException;
+
+// tells which port the packethandler is running on
+// server gets closed afterwards
+@ServerEndpoint(value = "/portrequest")
+public class PortRequester {
+
+    private final int packetHandlerPort;
+
+    public PortRequester(int port) {
+        this.packetHandlerPort = port;
+    }
+
+    @OnOpen
+    public void onOpen(Session session) throws IOException {
+        session.getBasicRemote().sendText("port " + packetHandlerPort);
+    }
+}

G-Earth/src/main/java/gearth/protocol/connection/proxy/unity/PortRequesterConfig.java

@@ -0,0 +1,17 @@
+package gearth.protocol.connection.proxy.unity;
+
+import javax.websocket.server.ServerEndpointConfig;
+
+public class PortRequesterConfig extends ServerEndpointConfig.Configurator {
+
+    private final int packetHandlerPort;
+
+    public PortRequesterConfig(int packetHandlerPort) {
+        this.packetHandlerPort = packetHandlerPort;
+    }
+
+    public <T> T getEndpointInstance(Class<T> clazz) throws InstantiationException {
+        return (T)new PortRequester(packetHandlerPort);
+    }
+
+}