Readd network optimization patch

This commit is contained in:
Nassim Jahnke 2023-09-23 11:45:34 +10:00
parent 7a108cda40
commit 663a0d893e
3 changed files with 276 additions and 245 deletions

View file

@ -12,8 +12,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
}
}
// Paper end - Optimize network
+ private static final int MAX_PER_TICK = io.papermc.paper.configuration.GlobalConfiguration.get().misc.maxJoinsPerTick; // Paper
+ private static int joinAttemptsThisTick; // Paper

View file

@ -513,7 +513,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ return new DefaultEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Local Client IO #%d").setDaemon(true).setUncaughtExceptionHandler(new net.minecraft.DefaultUncaughtExceptionHandlerWithName(LOGGER)).build()); // Paper
});
private final PacketFlow receiving;
private final Queue<Consumer<Connection>> pendingActions = Queues.newConcurrentLinkedQueue();
private final Queue<WrappedConsumer> pendingActions = Queues.newConcurrentLinkedQueue();
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
}

View file

@ -32,60 +32,258 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
public int protocolVersion;
return new DefaultEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Local Client IO #%d").setDaemon(true).build());
});
private final PacketFlow receiving;
- private final Queue<Consumer<Connection>> pendingActions = Queues.newConcurrentLinkedQueue();
+ private final Queue<WrappedConsumer> pendingActions = Queues.newConcurrentLinkedQueue();
public Channel channel;
public SocketAddress address;
// Spigot Start
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
public java.net.InetSocketAddress virtualHost;
private static boolean enableExplicitFlush = Boolean.getBoolean("paper.explicit-flush");
+ // Optimize network
+ public boolean isPending = true;
+ public boolean queueImmunity = false;
+ public ConnectionProtocol protocol;
// Paper end
+ // Paper start - Optimize network
+ public boolean isPending = true;
+ public boolean queueImmunity;
+ // Paper end - Optimize network
public Connection(PacketFlow side) {
// Paper start - add utility methods
public final net.minecraft.server.level.ServerPlayer getPlayer() {
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
}
public void setProtocol(ConnectionProtocol state) {
+ protocol = state; // Paper
this.channel.attr(Connection.ATTRIBUTE_PROTOCOL).set(state);
this.channel.attr(BundlerInfo.BUNDLER_PROVIDER).set(state);
this.channel.config().setAutoRead(true);
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
Validate.notNull(listener, "packetListener", new Object[0]);
this.packetListener = listener;
}
+ // Paper start
+ public @Nullable net.minecraft.server.level.ServerPlayer getPlayer() {
+ if (packetListener instanceof net.minecraft.server.network.ServerGamePacketListenerImpl serverGamePacketListener) {
+ return serverGamePacketListener.player;
+ } else {
+ return null;
public void send(Packet<?> packet, @Nullable PacketSendListener callbacks, boolean flush) {
- if (this.isConnected()) {
- this.flushQueue();
+ // Paper start - Optimize network: Handle oversized packets better
+ final boolean connected = this.isConnected();
+ if (!connected && !this.preparing) {
+ return;
+ }
+
+ packet.onPacketDispatch(this.getPlayer());
+ if (connected && (InnerUtil.canSendImmediate(this, packet)
+ || (io.papermc.paper.util.MCUtil.isMainThread() && packet.isReady() && this.pendingActions.isEmpty()
+ && (packet.getExtraPackets() == null || packet.getExtraPackets().isEmpty())))) {
this.sendPacket(packet, callbacks, flush);
} else {
- this.pendingActions.add((networkmanager) -> {
- networkmanager.sendPacket(packet, callbacks, flush);
- });
- }
+ // Write the packets to the queue, then flush - antixray hooks there already
+ final java.util.List<Packet<?>> extraPackets = InnerUtil.buildExtraPackets(packet);
+ final boolean hasExtraPackets = extraPackets != null && !extraPackets.isEmpty();
+ if (!hasExtraPackets) {
+ this.pendingActions.add(new PacketSendAction(packet, callbacks, flush));
+ } else {
+ final java.util.List<PacketSendAction> actions = new java.util.ArrayList<>(1 + extraPackets.size());
+ actions.add(new PacketSendAction(packet, null, false)); // Delay the future listener until the end of the extra packets
+ for (int i = 0, len = extraPackets.size(); i < len;) {
+ final Packet<?> extraPacket = extraPackets.get(i);
+ final boolean end = ++i == len;
+ actions.add(new PacketSendAction(extraPacket, end ? callbacks : null, end)); // Append listener to the end
+ }
+
+ this.pendingActions.addAll(actions);
+ }
+
+ this.flushQueue();
+ // Paper end - Optimize network
+ }
}
public void runOnceConnected(Consumer<Connection> task) {
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
this.flushQueue();
task.accept(this);
} else {
- this.pendingActions.add(task);
+ this.pendingActions.add(new WrappedConsumer(task)); // Paper - Optimize network
}
}
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
}
private void doSendPacket(Packet<?> packet, @Nullable PacketSendListener callbacks, boolean flush) {
+ // Paper start - Optimize network
+ final net.minecraft.server.level.ServerPlayer player = this.getPlayer();
+ if (!this.isConnected()) {
+ packet.onPacketDispatchFinish(player, null);
+ return;
+ }
+ try {
+ // Paper end - Optimize network
ChannelFuture channelfuture = flush ? this.channel.writeAndFlush(packet) : this.channel.write(packet);
if (callbacks != null) {
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
});
}
+ // Paper start - Optimize network
+ if (packet.hasFinishListener()) {
+ channelfuture.addListener((ChannelFutureListener) channelFuture -> packet.onPacketDispatchFinish(player, channelFuture));
+ }
channelfuture.addListener(ChannelFutureListener.FIRE_EXCEPTION_ON_FAILURE);
+ } catch (final Exception e) {
+ LOGGER.error("NetworkException: {}", player, e);
+ this.disconnect(Component.translatable("disconnect.genericReason", "Internal Exception: " + e.getMessage()));
+ packet.onPacketDispatchFinish(player, null);
+ }
+ // Paper end - Optimize network
}
public void flushChannel() {
if (this.isConnected()) {
this.flush();
} else {
- this.pendingActions.add(Connection::flush);
+ this.pendingActions.add(new WrappedConsumer(Connection::flush)); // Paper - Optimize network
}
}
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
return attributekey;
}
- private void flushQueue() {
- if (this.channel != null && this.channel.isOpen()) {
- Queue queue = this.pendingActions;
-
+ // Paper start - Optimize network: Rewrite this to be safer if ran off main thread
+ private boolean flushQueue() {
+ if (!this.isConnected()) {
+ return true;
+ }
+ if (io.papermc.paper.util.MCUtil.isMainThread()) {
+ return this.processQueue();
+ } else if (this.isPending) {
+ // Should only happen during login/status stages
synchronized (this.pendingActions) {
- Consumer consumer;
+ return this.processQueue();
+ }
+ }
+ return false;
+ }
+ private static class InnerUtil { // Attempt to hide these methods from ProtocolLib so it doesn't accidently pick them up.
+ private static java.util.List<Packet> buildExtraPackets(Packet packet) {
+ java.util.List<Packet> extra = packet.getExtraPackets();
+
+ private boolean processQueue() {
+ if (this.pendingActions.isEmpty()) {
+ return true;
+ }
- while ((consumer = (Consumer) this.pendingActions.poll()) != null) {
- consumer.accept(this);
+ // If we are on main, we are safe here in that nothing else should be processing queue off main anymore
+ // But if we are not on main due to login/status, the parent is synchronized on packetQueue
+ final java.util.Iterator<WrappedConsumer> iterator = this.pendingActions.iterator();
+ while (iterator.hasNext()) {
+ final WrappedConsumer queued = iterator.next(); // poll -> peek
+
+ // Fix NPE (Spigot bug caused by handleDisconnection())
+ if (queued == null) {
+ return true;
+ }
+
+ if (queued.isConsumed()) {
+ continue;
+ }
+
+ if (queued instanceof PacketSendAction packetSendAction) {
+ final Packet<?> packet = packetSendAction.packet;
+ if (!packet.isReady()) {
+ return false;
}
+ }
+ iterator.remove();
+ if (queued.tryMarkConsumed()) {
+ queued.accept(this);
}
}
+ return true;
}
+ // Paper end - Optimize network
public void tick() {
this.flushQueue();
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
public void disconnect(Component disconnectReason) {
// Spigot Start
this.preparing = false;
+ this.clearPacketQueue(); // Paper - Optimize network
// Spigot End
if (this.channel == null) {
this.delayedDisconnect = disconnectReason;
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
public void handleDisconnection() {
if (this.channel != null && !this.channel.isOpen()) {
if (this.disconnectionHandled) {
- Connection.LOGGER.warn("handleDisconnection() called twice");
+ // Connection.LOGGER.warn("handleDisconnection() called twice"); // Paper - Don't log useless message
} else {
this.disconnectionHandled = true;
PacketListener packetlistener = this.getPacketListener();
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
packetlistener1.onDisconnect(ichatbasecomponent);
}
- this.pendingActions.clear(); // Free up packet queue.
+ this.clearPacketQueue(); // Paper - Optimize network
// Paper start - Add PlayerConnectionCloseEvent
final PacketListener packetListener = this.getPacketListener();
if (packetListener instanceof net.minecraft.server.network.ServerGamePacketListenerImpl) {
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
public void setBandwidthLogger(SampleLogger log) {
this.bandwidthDebugMonitor = new BandwidthDebugMonitor(log);
}
+
+ // Paper start - Optimize network
+ public void clearPacketQueue() {
+ final net.minecraft.server.level.ServerPlayer player = getPlayer();
+ for (final Consumer<Connection> queuedAction : this.pendingActions) {
+ if (queuedAction instanceof PacketSendAction packetSendAction) {
+ final Packet<?> packet = packetSendAction.packet;
+ if (packet.hasFinishListener()) {
+ packet.onPacketDispatchFinish(player, null);
+ }
+ }
+ }
+ this.pendingActions.clear();
+ }
+
+ private static class InnerUtil { // Attempt to hide these methods from ProtocolLib, so it doesn't accidently pick them up.
+
+ @Nullable
+ private static java.util.List<Packet<?>> buildExtraPackets(final Packet<?> packet) {
+ final java.util.List<Packet<?>> extra = packet.getExtraPackets();
+ if (extra == null || extra.isEmpty()) {
+ return null;
+ }
+ java.util.List<Packet> ret = new java.util.ArrayList<>(1 + extra.size());
+
+ final java.util.List<Packet<?>> ret = new java.util.ArrayList<>(1 + extra.size());
+ buildExtraPackets0(extra, ret);
+ return ret;
+ }
+
+ private static void buildExtraPackets0(java.util.List<Packet> extraPackets, java.util.List<Packet> into) {
+ for (Packet extra : extraPackets) {
+ private static void buildExtraPackets0(final java.util.List<Packet<?>> extraPackets, final java.util.List<Packet<?>> into) {
+ for (final Packet<?> extra : extraPackets) {
+ into.add(extra);
+ java.util.List<Packet> extraExtra = extra.getExtraPackets();
+ final java.util.List<Packet<?>> extraExtra = extra.getExtraPackets();
+ if (extraExtra != null && !extraExtra.isEmpty()) {
+ buildExtraPackets0(extraExtra, into);
+ }
+ }
+ }
+ // Paper start
+ private static boolean canSendImmediate(Connection networkManager, Packet<?> packet) {
+ return networkManager.isPending || networkManager.protocol != ConnectionProtocol.PLAY ||
+ packet instanceof net.minecraft.network.protocol.game.ClientboundKeepAlivePacket ||
+
+ private static boolean canSendImmediate(final Connection networkManager, final net.minecraft.network.protocol.Packet<?> packet) {
+ return networkManager.isPending || networkManager.packetListener.protocol() != ConnectionProtocol.PLAY ||
+ packet instanceof net.minecraft.network.protocol.common.ClientboundKeepAlivePacket ||
+ packet instanceof net.minecraft.network.protocol.game.ClientboundPlayerChatPacket ||
+ packet instanceof net.minecraft.network.protocol.game.ClientboundSystemChatPacket ||
+ packet instanceof net.minecraft.network.protocol.game.ClientboundCommandSuggestionsPacket ||
@ -96,218 +294,40 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ packet instanceof net.minecraft.network.protocol.game.ClientboundClearTitlesPacket ||
+ packet instanceof net.minecraft.network.protocol.game.ClientboundBossEventPacket;
+ }
+ // Paper end
+ }
+ // Paper end
public void send(Packet<?> packet) {
this.send(packet, (PacketSendListener) null);
}
public void send(Packet<?> packet, @Nullable PacketSendListener callbacks) {
- if (this.isConnected()) {
- this.flushQueue();
+ // Paper start - handle oversized packets better
+ boolean connected = this.isConnected();
+ if (!connected && !preparing) {
+ return; // Do nothing
+ }
+ packet.onPacketDispatch(getPlayer());
+ if (connected && (InnerUtil.canSendImmediate(this, packet) || (
+ io.papermc.paper.util.MCUtil.isMainThread() && packet.isReady() && this.queue.isEmpty() &&
+ (packet.getExtraPackets() == null || packet.getExtraPackets().isEmpty())
+ ))) {
this.sendPacket(packet, callbacks);
- } else {
- this.queue.add(new Connection.PacketHolder(packet, callbacks));
+ return;
}
+ // write the packets to the queue, then flush - antixray hooks there already
+ java.util.List<Packet> extraPackets = InnerUtil.buildExtraPackets(packet);
+ boolean hasExtraPackets = extraPackets != null && !extraPackets.isEmpty();
+ if (!hasExtraPackets) {
+ this.queue.add(new Connection.PacketHolder(packet, callbacks));
+ } else {
+ java.util.List<Connection.PacketHolder> packets = new java.util.ArrayList<>(1 + extraPackets.size());
+ packets.add(new Connection.PacketHolder(packet, null)); // delay the future listener until the end of the extra packets
+ for (int i = 0, len = extraPackets.size(); i < len;) {
+ Packet extra = extraPackets.get(i);
+ boolean end = ++i == len;
+ packets.add(new Connection.PacketHolder(extra, end ? callbacks : null)); // append listener to the end
+ }
+ this.queue.addAll(packets); // atomic
+ }
+ this.flushQueue();
+ // Paper end
}
private void sendPacket(Packet<?> packet, @Nullable PacketSendListener callbacks) {
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
this.setProtocol(packetState);
}
+ // Paper start
+ net.minecraft.server.level.ServerPlayer player = getPlayer();
+ if (!isConnected()) {
+ packet.onPacketDispatchFinish(player, null);
+ return;
+
+ private static class WrappedConsumer implements Consumer<Connection> {
+ private final Consumer<Connection> delegate;
+ private final java.util.concurrent.atomic.AtomicBoolean consumed = new java.util.concurrent.atomic.AtomicBoolean(false);
+
+ private WrappedConsumer(final Consumer<Connection> delegate) {
+ this.delegate = delegate;
+ }
+
+ try {
+ // Paper end
ChannelFuture channelfuture = this.channel.writeAndFlush(packet);
if (callbacks != null) {
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
});
}
+ // Paper start
+ if (packet.hasFinishListener()) {
+ channelfuture.addListener((ChannelFutureListener) channelFuture -> packet.onPacketDispatchFinish(player, channelFuture));
+ @Override
+ public void accept(final Connection connection) {
+ this.delegate.accept(connection);
+ }
+ // Paper end
channelfuture.addListener(ChannelFutureListener.FIRE_EXCEPTION_ON_FAILURE);
+ // Paper start
+ } catch (Exception e) {
+ LOGGER.error("NetworkException: " + player, e);
+ disconnect(Component.translatable("disconnect.genericReason", "Internal Exception: " + e.getMessage()));
+ packet.onPacketDispatchFinish(player, null);
+ }
+ // Paper end
}
private ConnectionProtocol getCurrentProtocol() {
return (ConnectionProtocol) this.channel.attr(Connection.ATTRIBUTE_PROTOCOL).get();
}
- private void flushQueue() {
+ // Paper start - rewrite this to be safer if ran off main thread
+ private boolean flushQueue() { // void -> boolean
+ if (!isConnected()) {
+ return true;
+ }
+ if (io.papermc.paper.util.MCUtil.isMainThread()) {
+ return processQueue();
+ } else if (isPending) {
+ // Should only happen during login/status stages
+ synchronized (this.queue) {
+ return this.processQueue();
+ }
+ }
+ return false;
+ }
+ private boolean processQueue() {
try { // Paper - add pending task queue
- if (this.channel != null && this.channel.isOpen()) {
- Queue queue = this.queue;
+ if (this.queue.isEmpty()) return true;
+ // If we are on main, we are safe here in that nothing else should be processing queue off main anymore
+ // But if we are not on main due to login/status, the parent is synchronized on packetQueue
+ java.util.Iterator<PacketHolder> iterator = this.queue.iterator();
+ while (iterator.hasNext()) {
+ PacketHolder queued = iterator.next(); // poll -> peek
+
+ // Fix NPE (Spigot bug caused by handleDisconnection())
+ if (queued == null) {
+ return true;
+ }
- synchronized (this.queue) {
- Connection.PacketHolder networkmanager_queuedpacket;
+ // Paper start - checking isConsumed flag and skipping packet sending
+ if (queued.isConsumed()) {
+ continue;
+ }
+ // Paper end - checking isConsumed flag and skipping packet sending
- while ((networkmanager_queuedpacket = (Connection.PacketHolder) this.queue.poll()) != null) {
- this.sendPacket(networkmanager_queuedpacket.packet, networkmanager_queuedpacket.listener);
+ Packet<?> packet = queued.packet;
+ if (!packet.isReady()) {
+ return false;
+ } else {
+ iterator.remove();
+ if (queued.tryMarkConsumed()) { // Paper - try to mark isConsumed flag for de-duplicating packet
+ this.sendPacket(packet, queued.listener);
}
-
}
}
+ return true;
} finally { // Paper start - add pending task queue
Runnable r;
while ((r = this.pendingTasks.poll()) != null) {
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
}
} // Paper end - add pending task queue
}
+ // Paper end
public void tick() {
this.flushQueue();
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
return this.address;
}
+ // Paper start
+ public void clearPacketQueue() {
+ net.minecraft.server.level.ServerPlayer player = getPlayer();
+ queue.forEach(queuedPacket -> {
+ Packet<?> packet = queuedPacket.packet;
+ if (packet.hasFinishListener()) {
+ packet.onPacketDispatchFinish(player, null);
+ }
+ });
+ queue.clear();
+ }
+ // Paper end
public void disconnect(Component disconnectReason) {
// Spigot Start
this.preparing = false;
+ clearPacketQueue(); // Paper
// Spigot End
if (this.channel == null) {
this.delayedDisconnect = disconnectReason;
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
public void handleDisconnection() {
if (this.channel != null && !this.channel.isOpen()) {
if (this.disconnectionHandled) {
- Connection.LOGGER.warn("handleDisconnection() called twice");
+ //Connection.LOGGER.warn("handleDisconnection() called twice"); // Paper - Do not log useless message
} else {
this.disconnectionHandled = true;
if (this.getDisconnectedReason() != null) {
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
} else if (this.getPacketListener() != null) {
this.getPacketListener().onDisconnect(Component.translatable("multiplayer.disconnect.generic"));
}
- this.queue.clear(); // Free up packet queue.
+ clearPacketQueue(); // Paper
// Paper start - Add PlayerConnectionCloseEvent
final PacketListener packetListener = this.getPacketListener();
if (packetListener instanceof net.minecraft.server.network.ServerGamePacketListenerImpl) {
@@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
@Nullable
final PacketSendListener listener;
+ // Paper start - isConsumed flag for the connection
+ private java.util.concurrent.atomic.AtomicBoolean isConsumed = new java.util.concurrent.atomic.AtomicBoolean(false);
+
+ public boolean tryMarkConsumed() {
+ return isConsumed.compareAndSet(false, true);
+ return consumed.compareAndSet(false, true);
+ }
+
+ public boolean isConsumed() {
+ return isConsumed.get();
+ return consumed.get();
+ }
+ // Paper end - isConsumed flag for the connection
+ }
+
public PacketHolder(Packet<?> packet, @Nullable PacketSendListener callbacks) {
this.packet = packet;
this.listener = callbacks;
+ private static final class PacketSendAction extends WrappedConsumer {
+ private final Packet<?> packet;
+
+ private PacketSendAction(final Packet<?> packet, @Nullable final PacketSendListener packetSendListener, final boolean flush) {
+ super(connection -> connection.sendPacket(packet, packetSendListener, flush));
+ this.packet = packet;
+ }
+ }
+ // Paper end - Optimize network
}
diff --git a/src/main/java/net/minecraft/network/protocol/Packet.java b/src/main/java/net/minecraft/network/protocol/Packet.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/network/protocol/Packet.java
@ -319,16 +339,27 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ /**
+ * @param player Null if not at PLAY stage yet
+ */
+ default void onPacketDispatch(@javax.annotation.Nullable net.minecraft.server.level.ServerPlayer player) {}
+ default void onPacketDispatch(@Nullable net.minecraft.server.level.ServerPlayer player) {
+ }
+
+ /**
+ * @param player Null if not at PLAY stage yet
+ * @param future Can be null if packet was cancelled
+ */
+ default void onPacketDispatchFinish(@javax.annotation.Nullable net.minecraft.server.level.ServerPlayer player, @javax.annotation.Nullable io.netty.channel.ChannelFuture future) {}
+ default boolean hasFinishListener() { return false; }
+ default boolean isReady() { return true; }
+ default java.util.List<Packet> getExtraPackets() { return null; }
+ default void onPacketDispatchFinish(@Nullable net.minecraft.server.level.ServerPlayer player, @Nullable io.netty.channel.ChannelFuture future) {}
+
+ default boolean hasFinishListener() {
+ return false;
+ }
+
+ default boolean isReady() {
+ return true;
+ }
+
+ @Nullable
+ default java.util.List<Packet<?>> getExtraPackets() {
+ return null;
+ }
default boolean packetTooLarge(net.minecraft.network.Connection manager) {
return false;
}
@ -340,12 +371,12 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
final List<Connection> connections = Collections.synchronizedList(Lists.newArrayList());
// Paper start - prevent blocking on adding a new network manager while the server is ticking
private final java.util.Queue<Connection> pending = new java.util.concurrent.ConcurrentLinkedQueue<>();
+ private static final boolean disableFlushConsolidation = Boolean.getBoolean("Paper.disableFlushConsolidate"); // Paper
+ private static final boolean disableFlushConsolidation = Boolean.getBoolean("Paper.disableFlushConsolidate"); // Paper - Optimize network
private final void addPending() {
Connection manager = null;
while ((manager = pending.poll()) != null) {
connections.add(manager);
+ manager.isPending = false;
+ manager.isPending = false; // Paper - Optimize network
}
}
// Paper end
@ -353,7 +384,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
;
}
+ if (!disableFlushConsolidation) channel.pipeline().addFirst(new io.netty.handler.flush.FlushConsolidationHandler()); // Paper
ChannelPipeline channelpipeline = channel.pipeline().addLast("timeout", new ReadTimeoutHandler(30)).addLast("legacy_query", new LegacyQueryHandler(ServerConnectionListener.this));
+ if (!disableFlushConsolidation) channel.pipeline().addFirst(new io.netty.handler.flush.FlushConsolidationHandler()); // Paper - Optimize network
ChannelPipeline channelpipeline = channel.pipeline().addLast("timeout", new ReadTimeoutHandler(30)).addLast("legacy_query", new LegacyQueryHandler(ServerConnectionListener.this.getServer()));
Connection.configureSerialization(channelpipeline, PacketFlow.SERVERBOUND);
Connection.configureSerialization(channelpipeline, PacketFlow.SERVERBOUND, (BandwidthDebugMonitor) null);