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Integrate latest local development state and clean repository artifacts
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Marc Froehlich committed
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package kst4contest.test;
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import java.io.*;
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import java.net.*;
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import java.text.SimpleDateFormat;
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import java.util.*;
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import java.util.concurrent.CopyOnWriteArrayList;
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public class MockKstServer {
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private static final int PORT = 23001;
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private static final String CHAT_ID = "2"; // 2 = 144/432 MHz
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// Thread-sichere Liste aller verbundenen Clients (OutputStreams)
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private final List<PrintWriter> clients = new CopyOnWriteArrayList<>();
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// Permanente User (Ihre Test-Callsigns)
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private final Map<String, User> onlineUsers = new HashMap<>();
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// Historien müssen synchronisiert werden
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private final List<String> historyChat = Collections.synchronizedList(new ArrayList<>());
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private final List<String> historyDx = Collections.synchronizedList(new ArrayList<>());
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private boolean running = false;
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private ServerSocket serverSocket;
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public MockKstServer() {
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// Initiale Permanente User
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addUser("DK5EW", "Erwin", "JN47NX");
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addUser("DL1TEST", "TestOp", "JO50XX");
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addUser("ON4KST", "Alain", "JO20HI");
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addUser("PA9R-2", "2", "JO20HI");
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addUser("PA9R-70", "70", "JO20HI");
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addUser("PA9R", "general", "JO20HI");
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}
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// Startet den Server im Hintergrund (Non-Blocking)
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public void start() {
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if (running) return;
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running = true;
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new Thread(() -> {
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try {
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serverSocket = new ServerSocket(PORT);
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System.out.println("[Server] ON4KST Simulation gestartet auf Port " + PORT);
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// Startet den Simulator für Zufallstraffic
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new Thread(this::simulationLoop).start();
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while (running) {
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Socket clientSocket = serverSocket.accept();
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System.out.println("[Server] Neuer Client verbunden: " + clientSocket.getInetAddress());
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new Thread(new ClientHandler(clientSocket)).start();
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}
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} catch (IOException e) {
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if (running) e.printStackTrace();
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}
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}).start();
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}
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public void stop() {
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running = false;
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try {
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if (serverSocket != null) serverSocket.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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private void addUser(String call, String name, String loc) {
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onlineUsers.put(call, new User(call, name, loc));
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}
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private void removeUser(String call) {
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onlineUsers.remove(call);
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}
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// Sendet Nachricht an ALLE verbundenen Clients (inkl. Sender)
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private void broadcast(String message) {
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if (!message.endsWith("\r\n")) message += "\r\n";
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String finalMsg = message;
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for (PrintWriter writer : clients) {
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try {
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writer.print(finalMsg);
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writer.flush(); // WICHTIG: Sofort senden!
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} catch (Exception e) {
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// Client wohl weg, wird beim nächsten Schreibversuch oder im Handler entfernt
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}
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}
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}
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// --- Innere Logik: Client Handler ---
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private class ClientHandler implements Runnable {
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private Socket socket;
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private PrintWriter out;
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private BufferedReader in;
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private String myCall = "MYCLIENT"; // Default, wird bei LOGIN überschrieben
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public ClientHandler(Socket socket) {
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this.socket = socket;
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}
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@Override
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public void run() {
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try {
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// ISO-8859-1 ist Standard für KST/Telnet Cluster
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in = new BufferedReader(new InputStreamReader(socket.getInputStream(), "ISO-8859-1"));
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out = new PrintWriter(new OutputStreamWriter(socket.getOutputStream(), "ISO-8859-1"), true);
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clients.add(out);
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String line;
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boolean loginComplete = false;
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while ((line = in.readLine()) != null) {
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// System.out.println("[RECV] " + line); // Debugging aktivieren falls nötig
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String[] parts = line.split("\\|");
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String cmd = parts[0];
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if (cmd.equals("LOGIN") || cmd.equals("LOGINC")) {
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// Protokoll: LOGIN|callsign|password|... [cite: 21]
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if (parts.length > 1) myCall = parts[1];
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// 1. Login Bestätigung
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// Format: LOGSTAT|100|chat id|client software version|session key|config|dx option|
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send("LOGSTAT|100|" + CHAT_ID + "|JavaSim|KEY123|Config|3|");
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// Bei LOGIN senden wir die Daten sofort
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// Bei LOGINC warten wir eigentlich auf SDONE, senden hier aber vereinfacht direkt
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if (cmd.equals("LOGIN")) {
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sendInitialData();
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loginComplete = true;
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}
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}
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else if (cmd.equals("SDONE")) {
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// Abschluss der Settings (bei LOGINC) [cite: 34]
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sendInitialData();
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loginComplete = true;
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}
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else if (cmd.equals("MSG")) {
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// MSG|chat id|destination|command|0| [cite: 42]
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if (parts.length >= 4) {
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String text = parts[3];
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// Nachricht sofort als CH Frame an alle verteilen (Echo)
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handleChatMessage(myCall, "Me", text);
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}
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}
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else if (cmd.equals("CK")) {
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// Keepalive [cite: 20]
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// Server muss nicht zwingend antworten, aber Connection bleibt offen
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}
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}
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} catch (IOException e) {
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// System.out.println("Client getrennt");
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} finally {
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clients.remove(out);
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try { socket.close(); } catch (IOException e) {}
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}
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}
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private void send(String msg) {
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if (!msg.endsWith("\r\n")) msg += "\r\n";
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out.print(msg);
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out.flush();
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}
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private void sendInitialData() {
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// 1. User Liste UA0 [cite: 14]
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for (User u : onlineUsers.values()) {
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send("UA0|" + CHAT_ID + "|" + u.call + "|" + u.name + "|" + u.loc + "|0|");
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}
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// 2. Chat History CR [cite: 7]
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synchronized(historyChat) {
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for (String h : historyChat) send(h);
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}
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// 3. DX History DL [cite: 10]
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synchronized(historyDx) {
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for (String d : historyDx) send(d);
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}
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// 4. Ende User Liste UE [cite: 15]
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send("UE|" + CHAT_ID + "|" + onlineUsers.size() + "|");
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}
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}
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// --- Hilfsmethoden für Traffic ---
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private void handleChatMessage(String call, String name, String text) {
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// CH|chat id|date|callsign|firstname|destination|msg|highlight|
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String date = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date());
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String frame = String.format("CH|%s|%s|%s|%s|0|%s|0|", CHAT_ID, date, call, name, text);
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synchronized(historyChat) {
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historyChat.add(frame);
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if (historyChat.size() > 50) historyChat.remove(0);
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}
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broadcast(frame);
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}
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private void handleDxSpot(String spotter, String dx, String freq) {
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// DL|Unix time|dx utc|spotter|qrg|dx|info|spotter locator|dx locator| [cite: 10]
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long unixTime = System.currentTimeMillis() / 1000;
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String utc = new SimpleDateFormat("HHmm").format(new Date());
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// Simple Dummy Locators
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String frame = String.format("DL|%d|%s|%s|%s|%s|Simulated|JO00|JO99|",
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unixTime, utc, spotter, freq, dx);
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synchronized(historyDx) {
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historyDx.add(frame);
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if (historyDx.size() > 20) historyDx.remove(0);
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}
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broadcast(frame);
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}
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private void simulationLoop() {
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String[] randomCalls = {"PA0GUS", "F6APE", "OH8K", "OZ2M", "G4CBW"};
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String[] msgs = {"CQ 144.300", "Tnx for QSO", "Any sked?", "QRV 432.200"};
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Random rand = new Random();
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while (running) {
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try {
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Thread.sleep(3000 + rand.nextInt(5000)); // 3-8 Sek Pause
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int action = rand.nextInt(10);
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String call = randomCalls[rand.nextInt(randomCalls.length)];
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if (action < 4) { // 40% Chat
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handleChatMessage(call, "SimOp", msgs[rand.nextInt(msgs.length)]);
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} else if (action < 7) { // 30% DX Spot
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handleDxSpot(call, randomCalls[rand.nextInt(randomCalls.length)], "144." + rand.nextInt(400));
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} else if (action == 8) { // Login Simulation UA5
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if (!onlineUsers.containsKey(call)) {
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addUser(call, "SimOp", "JO11");
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broadcast("UA5|" + CHAT_ID + "|" + call + "|SimOp|JO11|2|");
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}
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} else if (action == 9) { // Logout Simulation UR6
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if (onlineUsers.containsKey(call) && !call.equals("DK5EW")) { // DK5EW nicht kicken
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removeUser(call);
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broadcast("UR6|" + CHAT_ID + "|" + call + "|");
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}
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}
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// Ping ab und zu
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if (rand.nextInt(5) == 0) broadcast("CK|");
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} catch (InterruptedException e) {
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Thread.currentThread().interrupt();
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}
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}
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}
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// Kleine Datenklasse
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private static class User {
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String call, name, loc;
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User(String c, String n, String l) { this.call=c; this.name=n; this.loc=l; }
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}
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}
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