92 lines
3.0 KiB
Java
92 lines
3.0 KiB
Java
package de.craftix.messenger;
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import de.craftix.server.Packet;
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import de.craftix.server.Server;
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import sun.misc.Unsafe;
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import java.io.BufferedInputStream;
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import java.io.BufferedOutputStream;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.net.InetSocketAddress;
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import java.net.Socket;
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public class ServerConnection {
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private static ObjectInputStream in;
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private static ObjectOutputStream out;
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private static Thread clientThread;
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public static void connect() {
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try {
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Socket socket = new Socket();
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socket.connect(new InetSocketAddress(Server.IP, Server.PORT), 5000);
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out = new ObjectOutputStream(new BufferedOutputStream(socket.getOutputStream()));
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out.flush();
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in = new ObjectInputStream(new BufferedInputStream(socket.getInputStream()));
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disableWarning();
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System.out.println("Connected to Server");
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startThread();
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}catch (Exception e) { e.printStackTrace(); }
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}
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private static void startThread() {
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clientThread = new Thread(() -> {
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while (!clientThread.isInterrupted()) {
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try {
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Object o = in.readObject();
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if (o instanceof Packet) {
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Packet packet = (Packet) o;
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Packet output = handlePacket(packet);
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out.writeObject(output);
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out.flush();
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}
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}catch (Exception e) { e.printStackTrace(); }
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}
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});
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clientThread.start();
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}
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private static Packet handlePacket(Packet packet) {
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if (packet.getType() == Packet.PacketType.PING)
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return new Packet(Packet.PacketType.PING, null);
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return new Packet(Packet.PacketType.BOOLEAN, false);
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}
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public static Packet sendRequest(Packet packet) {
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Packet answer = new Packet(Packet.PacketType.BOOLEAN, false);
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try {
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//Kill Thread
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Method m = Thread.class.getDeclaredMethod("stop0", Object.class);
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m.setAccessible(true);
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m.invoke(clientThread, new ThreadDeath());
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out.writeObject(packet);
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out.flush();
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Object o = in.readObject();
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if (o instanceof Packet)
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answer = (Packet) o;
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}catch (Exception e) { e.printStackTrace(); }
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finally { startThread(); }
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return answer;
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}
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private static void disableWarning() {
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try {
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Field theUnsafe = Unsafe.class.getDeclaredField("theUnsafe");
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theUnsafe.setAccessible(true);
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Unsafe u = (Unsafe) theUnsafe.get(null);
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Class<?> cls = Class.forName("jdk.internal.module.IllegalAccessLogger");
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Field logger = cls.getDeclaredField("logger");
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u.putObjectVolatile(cls, u.staticFieldOffset(logger), null);
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} catch (Exception ignored) {}
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}
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}
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