List of usage examples for com.google.common.io ByteArrayDataOutput writeInt
@Override
void writeInt(int v);
From source file:codecrafter47.bungeetablistplus.bukkitbridge.BukkitBridge.java
public void onEnable() { try {/*from ww w . j av a 2 s . com*/ Field field = BungeeTabListPlusBukkitAPI.class.getDeclaredField("instance"); field.setAccessible(true); field.set(null, this); } catch (NoSuchFieldException | IllegalAccessException ex) { plugin.getLogger().log(Level.SEVERE, "Failed to initialize API", ex); } plugin.getServer().getMessenger().registerOutgoingPluginChannel(plugin, BridgeProtocolConstants.CHANNEL); plugin.getServer().getMessenger().registerIncomingPluginChannel(plugin, BridgeProtocolConstants.CHANNEL, (string, player, bytes) -> { DataInput input = new DataInputStream(new ByteArrayInputStream(bytes)); try { int messageId = input.readUnsignedByte(); switch (messageId) { case BridgeProtocolConstants.MESSAGE_ID_PROXY_HANDSHAKE: UUID proxyId = DataStreamUtils.readUUID(input); int protocolVersion = input.readInt(); if (protocolVersion > BridgeProtocolConstants.VERSION) { rlExecutor.execute(() -> plugin.getLogger() .warning("BungeeTabListPlus_BukkitBridge is outdated.")); } else if (protocolVersion < BridgeProtocolConstants.VERSION) { rlExecutor.execute(() -> plugin.getLogger() .warning("BungeeTabListPlus proxy plugin outdated.")); } else { playerData.put(player, new PlayerBridgeData(proxyId)); serverData.computeIfAbsent(proxyId, uuid -> new ServerBridgeData()); ByteArrayDataOutput data = ByteStreams.newDataOutput(); data.writeByte(BridgeProtocolConstants.MESSAGE_ID_SERVER_HANDSHAKE); player.sendPluginMessage(plugin, BridgeProtocolConstants.CHANNEL, data.toByteArray()); } break; case BridgeProtocolConstants.MESSAGE_ID_PROXY_REQUEST_DATA: BridgeData bridgeData = playerData.get(player); if (bridgeData != null) { handleDataRequest(bridgeData, input); } break; case BridgeProtocolConstants.MESSAGE_ID_PROXY_REQUEST_SERVER_DATA: PlayerBridgeData playerBridgeData = playerData.get(player); if (playerBridgeData != null) { bridgeData = serverData.get(playerBridgeData.proxyId); if (bridgeData != null) { handleDataRequest(bridgeData, input); } } break; case BridgeProtocolConstants.MESSAGE_ID_PROXY_OUTDATED: rlExecutor.execute( () -> plugin.getLogger().warning("BungeeTabListPlus proxy plugin outdated.")); break; case BridgeProtocolConstants.MESSAGE_ID_PROXY_REQUEST_RESET_SERVER_DATA: playerBridgeData = playerData.get(player); if (playerBridgeData != null) { bridgeData = serverData.get(playerBridgeData.proxyId); if (bridgeData != null) { serverData.put(playerBridgeData.proxyId, new ServerBridgeData()); } } break; default: plugin.getLogger().warning("Received unknown message id " + messageId); break; } } catch (IOException ex) { plugin.getLogger().log(Level.SEVERE, "An unexpected error occurred while processing a plugin message.", ex); } }); plugin.getServer().getPluginManager().registerEvents(this, plugin); updateDataHooks(); // initialize bridge for players already on the server for (Player player : plugin.getServer().getOnlinePlayers()) { ByteArrayDataOutput data = ByteStreams.newDataOutput(); data.writeByte(BridgeProtocolConstants.MESSAGE_ID_SERVER_ENABLE_CONNECTION); try { DataStreamUtils.writeUUID(data, serverId); } catch (IOException e) { throw new AssertionError(e); } player.sendPluginMessage(plugin, BridgeProtocolConstants.CHANNEL, data.toByteArray()); } // start update task plugin.getServer().getScheduler().runTaskTimerAsynchronously(plugin, () -> { long now = System.currentTimeMillis(); Map<UUID, Player> proxyIds = new HashMap<>(); for (Map.Entry<Player, PlayerBridgeData> e : playerData.entrySet()) { Player player = e.getKey(); PlayerBridgeData bridgeData = e.getValue(); proxyIds.putIfAbsent(bridgeData.proxyId, player); int size = 0; for (CacheEntry entry : bridgeData.requestedData) { Object value = playerDataAccess.get(entry.key, player); entry.dirty = !Objects.equals(value, entry.value); entry.value = value; if (entry.dirty) { size++; } } if (size != 0) { ByteArrayDataOutput data = ByteStreams.newDataOutput(); data.writeByte(BridgeProtocolConstants.MESSAGE_ID_SERVER_UPDATE_DATA); data.writeInt(size); for (CacheEntry entry : bridgeData.requestedData) { if (entry.dirty) { data.writeInt(entry.netId); data.writeBoolean(entry.value == null); if (entry.value != null) { try { typeRegistry.getTypeAdapter((TypeToken<Object>) entry.key.getType()).write(data, entry.value); } catch (java.io.IOException e1) { e1.printStackTrace(); } } } } player.sendPluginMessage(plugin, BridgeProtocolConstants.CHANNEL, data.toByteArray()); } } for (Map.Entry<UUID, Player> e : proxyIds.entrySet()) { UUID proxyId = e.getKey(); Player player = e.getValue(); ServerBridgeData bridgeData = serverData.get(proxyId); if (bridgeData == null) { continue; } bridgeData.lastUpdate = now; int size = 0; for (CacheEntry entry : bridgeData.requestedData) { Object value = serverDataAccess.get(entry.key, plugin.getServer()); entry.dirty = !Objects.equals(value, entry.value); entry.value = value; if (entry.dirty) { size++; } } ByteArrayDataOutput data = ByteStreams.newDataOutput(); data.writeByte(BridgeProtocolConstants.MESSAGE_ID_SERVER_UPDATE_SERVER_DATA); if (size > 0) { bridgeData.revision++; } data.writeInt(bridgeData.revision); data.writeInt(size); for (CacheEntry entry : bridgeData.requestedData) { if (entry.dirty) { data.writeInt(entry.netId); data.writeBoolean(entry.value == null); if (entry.value != null) { try { typeRegistry.getTypeAdapter((TypeToken<Object>) entry.key.getType()).write(data, entry.value); } catch (java.io.IOException e1) { e1.printStackTrace(); } } } } player.sendPluginMessage(plugin, BridgeProtocolConstants.CHANNEL, data.toByteArray()); } for (Iterator<ServerBridgeData> iterator = serverData.values().iterator(); iterator.hasNext();) { ServerBridgeData data = iterator.next(); if (now - data.lastUpdate > 900000) { iterator.remove(); } } }, 20, 20); }