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Make Worker
a thread
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parent
99a3ad88a1
commit
3881102925
@ -35,7 +35,9 @@ public final class Server {
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public Server(PacketProcessor packetProcessor) throws IOException {
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// Create all workers
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for (int i = 0; i < WORKER_COUNT; i++) {
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this.workers.add(new Worker(this, packetProcessor));
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Worker worker = new Worker(this, packetProcessor);
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this.workers.add(worker);
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worker.start();
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}
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}
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@ -14,43 +14,50 @@ import java.nio.channels.SocketChannel;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.function.Consumer;
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import java.util.zip.Inflater;
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@ApiStatus.Internal
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public final class Worker {
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public final class Worker extends Thread {
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private static final AtomicInteger COUNTER = new AtomicInteger();
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final Selector selector = Selector.open();
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private final Context context = new Context();
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private final Map<SocketChannel, PlayerSocketConnection> connectionMap = new ConcurrentHashMap<>();
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private final Server server;
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private final PacketProcessor packetProcessor;
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public Worker(Server server, PacketProcessor packetProcessor) throws IOException {
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super(null, null, "Ms-worker-" + COUNTER.getAndIncrement());
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this.server = server;
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this.packetProcessor = packetProcessor;
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Thread.start(server, this::threadTick);
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}
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private void threadTick(Context workerContext) {
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try {
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this.selector.select(key -> {
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final SocketChannel channel = (SocketChannel) key.channel();
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if (!channel.isOpen()) return;
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if (!key.isReadable()) return;
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var connection = connectionMap.get(channel);
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try {
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var readBuffer = workerContext.readBuffer;
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// Consume last incomplete packet
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connection.consumeCache(readBuffer);
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// Read & process
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readBuffer.readChannel(channel);
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connection.processPackets(workerContext, packetProcessor);
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} catch (IOException e) {
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// TODO print exception? (should ignore disconnection)
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connection.disconnect();
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} finally {
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workerContext.clearBuffers();
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}
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});
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} catch (IOException e) {
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MinecraftServer.getExceptionManager().handleException(e);
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@Override
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public void run() {
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while (server.isOpen()) {
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try {
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this.selector.select(key -> {
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final SocketChannel channel = (SocketChannel) key.channel();
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if (!channel.isOpen()) return;
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if (!key.isReadable()) return;
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var connection = connectionMap.get(channel);
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try {
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var readBuffer = context.readBuffer;
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// Consume last incomplete packet
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connection.consumeCache(readBuffer);
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// Read & process
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readBuffer.readChannel(channel);
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connection.processPackets(context, packetProcessor);
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} catch (IOException e) {
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// TODO print exception? (should ignore disconnection)
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connection.disconnect();
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} finally {
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context.clearBuffers();
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}
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});
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} catch (IOException e) {
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MinecraftServer.getExceptionManager().handleException(e);
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}
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}
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}
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@ -80,39 +87,11 @@ public final class Worker {
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}
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}
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/**
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* Thread responsible for reading players socket and forwarding packets into
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* players' packet queue.
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*/
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static final class Thread extends java.lang.Thread {
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private static final AtomicInteger COUNTER = new AtomicInteger();
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private Thread(Runnable runnable) {
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super(null, runnable, "Ms-worker-" + COUNTER.getAndIncrement());
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}
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static void start(Server server, Consumer<Context> runnable) {
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new Thread(() -> {
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Context context = new Context();
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while (server.isOpen()) {
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try {
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runnable.accept(context);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}).start();
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}
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}
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/**
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* Contains objects that we can be shared across all the connection of a {@link Worker worker}.
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*/
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public static final class Context {
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public final BinaryBuffer readBuffer = BinaryBuffer.ofSize(Server.SOCKET_BUFFER_SIZE);
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/**
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* Stores a single packet payload to be read.
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*/
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public final BinaryBuffer contentBuffer = BinaryBuffer.ofSize(Server.MAX_PACKET_SIZE);
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public final Inflater inflater = new Inflater();
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