TeamSpeak: Backoff beim Verbinden der Raum-Clients, kürzere Nicknames, alle Channels abonnieren, Anwesenheit loggen

bridge/config.example.yml

@@ -22,8 +22,8 @@ teamspeak:
   parentChannel: "Crosstalk"
   # Name des Beobachter-Clients, der die Channels im Blick behält.
   nickname: "Crosstalk"
-  # Name der Raum-Clients; %room% wird durch den Raumnamen ersetzt.
+  # Name der Raum-Clients; %room% wird durch den Raumnamen ersetzt (TeamSpeak erlaubt höchstens 30 Zeichen).
-  roomNickname: "%room% (Minecraft/Discord)"
+  roomNickname: "%room% (MC/DC)"
   # Der TS6-Server auf mhsl.eu verlangt Level 15 (Fehler 519 "could not validate client identity").
   securityLevel: 15
   # Optional, falls der Server eine bestimmte Client-Version verlangt:
@@ -37,7 +37,7 @@ discord:
   # In dieser Kategorie legt die Bridge fehlende Raum-Channels an (leer = ohne Kategorie).
   category: "000000000000000000"
   # Server-Nickname der Bots; %room% wird durch den Raumnamen ersetzt.
-  nickname: "%room% (Minecraft/TS)"
+  nickname: "%room% (MC/TS)"
 
 rooms:
   - key: crosstalk-1

bridge/src/main/java/eu/mhsl/voicebridge/bridge/Bridge.java

@@ -38,6 +38,7 @@ public final class Bridge {
     /** Zeitpunkte, bis zu denen Raum bzw. Bot noch gebraucht werden (für das Nachlaufen). */
     private static final class Presence {
         long roomWanted, teamspeakWanted, discordWanted;
+        String lastCounts = "";
         boolean teamspeakConnected, discordConnected;
     }
 
@@ -84,6 +85,11 @@ public final class Bridge {
             int mc = plugin.minecraftMembers(room.key());
             int ts = teamspeak != null ? teamspeak.humansIn(room) : 0;
             int dc = bot != null ? bot.humans() : 0;
+            String counts = "Minecraft " + mc + ", TeamSpeak " + ts + ", Discord " + dc;
+            if (!counts.equals(p.lastCounts)) {
+                LOG.info("{}: {}", room.name(), counts);
+                p.lastCounts = counts;
+            }
             int sides = (mc > 0 ? 1 : 0) + (ts > 0 ? 1 : 0) + (dc > 0 ? 1 : 0);
 
             if (sides >= 2) p.roomWanted = now;

bridge/src/main/java/eu/mhsl/voicebridge/bridge/BridgeConfig.java

@@ -73,9 +73,9 @@ public record BridgeConfig(
             integer(root, "lingerSeconds", 15) * 1000L,
             new Teamspeak(string(ts, "host", ""), integer(ts, "port", 9987), string(ts, "password", ""),
                 string(ts, "parentChannel", "0"), string(ts, "nickname", "Crosstalk"),
-                string(ts, "roomNickname", "%room% (Minecraft/Discord)"), integer(ts, "securityLevel", 15), version),
+                string(ts, "roomNickname", "%room% (MC/DC)"), integer(ts, "securityLevel", 15), version),
             new Discord(string(dc, "guild", ""), string(dc, "category", ""),
-                string(dc, "nickname", "%room% (Minecraft/TS)")),
+                string(dc, "nickname", "%room% (MC/TS)")),
             List.copyOf(rooms));
     }
 

bridge/src/main/java/eu/mhsl/voicebridge/bridge/discord/DiscordRoomBot.java

@@ -83,6 +83,7 @@ public final class DiscordRoomBot implements AudioSendHandler, AudioReceiveHandl
         LOG.info("{}: Discord-Bot {} bereit, Channel #{}", room.name(), jda.getSelfUser().getName(), channel.getName());
 
         String nickname = config.nickname().replace("%room%", room.name());
+        if (nickname.length() > 32) nickname = nickname.substring(0, 32);
         if (!nickname.equals(guild.getSelfMember().getNickname())) {
             guild.getSelfMember().modifyNickname(nickname).queue(null,
                 e -> LOG.debug("{}: Nickname nicht gesetzt: {}", room.name(), e.getMessage()));

bridge/src/main/java/eu/mhsl/voicebridge/bridge/teamspeak/TeamspeakRoomClient.java

@@ -21,6 +21,7 @@ import java.util.function.Consumer;
 /** Ein TS-Client im Raum-Channel: spielt die Mischung aus Minecraft und Discord ab und hört zu. */
 final class TeamspeakRoomClient implements Microphone, TS3Listener {
     private static final Logger LOG = LoggerFactory.getLogger(TeamspeakRoomClient.class);
+    private static final int MAX_NICKNAME = 30;
 
     private final BridgeConfig.Teamspeak config;
     private final Room room;
@@ -46,7 +47,8 @@ final class TeamspeakRoomClient implements Microphone, TS3Listener {
     static LocalTeamspeakClientSocket newSocket(BridgeConfig.Teamspeak config, LocalIdentity identity, String nickname) {
         LocalTeamspeakClientSocket socket = new LocalTeamspeakClientSocket();
         socket.setIdentity(identity);
-        socket.setNickname(nickname);
+        // Längere Nicknames lehnt der Server mit "invalid parameter size" ab
+        socket.setNickname(nickname.length() > MAX_NICKNAME ? nickname.substring(0, MAX_NICKNAME) : nickname);
         BridgeConfig.ClientVersion version = config.clientVersion();
         if (version != null) socket.setClientVersion(version.platform(), version.version(), version.sign());
         socket.setExceptionHandler(e -> LOG.debug("ts3j: {}", e.toString()));

bridge/src/main/java/eu/mhsl/voicebridge/bridge/teamspeak/TeamspeakSide.java

@@ -44,6 +44,8 @@ public final class TeamspeakSide implements TS3Listener {
     private static final long RECONNECT_SECONDS = 30;
     /** client_type 0 = normaler Client, 1 = ServerQuery. */
     private static final int CLIENT_TYPE_VOICE = 0;
+    private static final long RETRY_MIN_MILLIS = 30_000;
+    private static final long RETRY_MAX_MILLIS = 300_000;
 
     private record TsClient(int channel, int type) {}
     private record TsChannel(int parent, String name) {}
@@ -58,6 +60,9 @@ public final class TeamspeakSide implements TS3Listener {
     private final Map<Integer, TsChannel> channels = new ConcurrentHashMap<>();
     private final Map<String, Integer> roomChannels = new ConcurrentHashMap<>();
     private final Map<String, TeamspeakRoomClient> roomClients = new ConcurrentHashMap<>();
+    private final Set<String> pendingConnect = ConcurrentHashMap.newKeySet();
+    private final Map<String, Long> backoff = new ConcurrentHashMap<>();
+    private final Map<String, Long> nextAttempt = new ConcurrentHashMap<>();
 
     private volatile LocalTeamspeakClientSocket observer;
     private volatile boolean ready;
@@ -106,9 +111,18 @@ public final class TeamspeakSide implements TS3Listener {
         return count;
     }
 
-    /** Raum-Client verbinden oder trennen. Läuft asynchron, mehrfaches Aufrufen schadet nicht. */
+    /**
+     * Raum-Client verbinden oder trennen. Läuft asynchron, mehrfaches Aufrufen schadet nicht.
+     * Nach einem Fehlschlag wird mit wachsendem Abstand neu versucht, sonst greift der Flood-Schutz
+     * des Servers und bannt die IP.
+     */
     public void setRoomConnected(Room room, boolean connected) {
+        if (connected) {
+            if (roomClients.containsKey(room.key()) || System.currentTimeMillis() < nextAttempt.getOrDefault(room.key(), 0L)) return;
+            if (!pendingConnect.add(room.key())) return;
+        }
         executor.execute(() -> {
+            pendingConnect.remove(room.key());
             TeamspeakRoomClient client = roomClients.get(room.key());
             if (connected && client == null && ready) {
                 Integer channel = roomChannels.get(room.key());
@@ -118,9 +132,14 @@ public final class TeamspeakSide implements TS3Listener {
                         loadIdentity("ts-" + room.key() + ".ini"), this::onRoomClientLost);
                     roomClients.put(room.key(), client);
                     client.connect();
+                    backoff.remove(room.key());
                     LOG.info("{}: TeamSpeak-Client im Channel {}", room.name(), channel);
                 } catch (Exception e) {
-                    LOG.warn("{}: TeamSpeak-Client konnte nicht verbinden: {}", room.name(), e.toString());
+                    long wait = Math.min(backoff.getOrDefault(room.key(), RETRY_MIN_MILLIS / 2) * 2, RETRY_MAX_MILLIS);
+                    backoff.put(room.key(), wait);
+                    nextAttempt.put(room.key(), System.currentTimeMillis() + wait);
+                    LOG.warn("{}: TeamSpeak-Client konnte nicht verbinden ({}), neuer Versuch in {} s",
+                        room.name(), e.toString(), wait / 1000);
                     roomClients.remove(room.key());
                     if (client != null) client.disconnect();
                 }
@@ -151,6 +170,8 @@ public final class TeamspeakSide implements TS3Listener {
             socket.addListener(this);
             observer = socket;
             socket.connect(new InetSocketAddress(config.host(), config.port()), emptyToNull(config.password()), 15000L);
+            // Clients in nicht abonnierten Channels meldet der Server nicht
+            socket.subscribeAll();
             awaitInitialState();
             LOG.info("TeamSpeak verbunden mit {}:{} ({} Channels, {} Clients sichtbar)",
                 config.host(), config.port(), channels.size(), clients.size());