mirror of
https://github.com/PaperMC/Paper.git
synced 2024-08-30 16:49:42 +02:00
This PR contains all of Tuinity's patches. Very notable ones are: - Highly optimised collisions - Optimised entity lookups by bounding box (Mojang made regressions in 1.17, this brings it back to 1.16) - Starlight https://github.com/PaperMC/Starlight - Rewritten dataconverter system https://github.com/PaperMC/DataConverter - Random block ticking optimisation (wrongly dropped from Paper 1.17) - Chunk ticking optimisations - Anything else I've forgotten in the 60 or so patches If you are a previous Tuinity user, your config will not migrate. You must do it yourself. The config options have simply been moved into paper.yml, so it will be an easy migration. However, please note that the chunk loading options in tuinity.yml are NOT compatible with the options in paper.yml. * Port tuinity, initial patchset * Update gradle to 7.2 jmp said it fixes rebuildpatches not working for me. it fucking better * Completely clean apply * Remove tuinity config, add per player api patch * Remove paper reobf mappings patch * Properly update gradlew * Force clean rebuild * Mark fixups Comments and ATs still need to be done * grep -r "Tuinity" * Fixup * Ensure gameprofile lastaccess is written only under the state lock * update URL for dataconverter * Only clean rebuild tuinity patches might fix merge conflicts * Use UTF-8 for gradlew * Clean rb patches again * Convert block ids used as item ids Neither the converters of pre 1.13 nor DFU handled these cases, as by the time they were written the game at the time didn't consider these ids valid - they would be air. Because of this, some worlds have logspam since only DataConverter (not DFU or legacy converters) will warn when an invalid id has been seen. While quite a few do need to now be considered as air, quite a lot do not. So it makes sense to add conversion for these items, instead of simply suppressing or ignoring the logs. I've now added id -> string conversion for all block ids that could be used as items that existed in the game before 1.7.10 (I have no interest in tracking down the exact version block ids stopped working) that were on https://minecraft-ids.grahamedgecombe.com/ Items that did not directly convert to new items will be instead converted to air: stems, wheat crops, piston head, tripwire wire block * Fix LightPopulated parsing in V1466 The DFU code was checking if the number existed, not if it didn't exist. I misread the original code. * Always parse protochunk light sources unless it is marked as non-lit Chunks not marked as lit will always go through the light engine, so they should always have their block sources parsed. * Update custom names to JSON for players Missed this fix from CB, as it was inside the DataFixers class. I decided to double check all of the CB changes again: DataFixers.java was the only area I missed, as I had inspected all datafixer diffs and implemented them all into DataConverter. I also checked Bootstrap.java again, and re-evaluated their changes. I had previously done this, but determined that they were all bad. The changes to make standing_sign block map to oak_sign block in V1450 is bad, because that's not the item id V1450 accepts. Only in 1.14 did oak_sign even exist, and as expected there is a converter to rename all existing sign items/blocks. The fix to register the portal block under id 1440 is useless, as the flattenning logic will default to the lowest registered id - which is the exact blockstate that CB registers into 1440. So it just doesn't do anything. The extra item ids in the id -> string converter are already added, but I found this from EMC originally. The change for the spawn egg id 23 -> Arrow is just wrong, that id DOES correspond to TippedArrow, NOT Arrow. As expected, the spawn egg already has a dedicated mapping for Arrow, which is id 10 - which was Arrow's entity id. I also ported a fix for the cooked_fished id update. This doesn't really matter since there is already a dataconverter to fix this, but the game didn't accept cooked_fished at the time. So I see no harm. * Review all converters and walkers - Refactor V99 to have helper methods for defining entity/tile entity types - Automatically namespace all ids that should be namespaced. While vanilla never saved non-namespaced data for things that are namespaced, plugins/users might have. - Synchronised the identity ensure map in HelperBlockFlatteningV1450 - Code style consistency - Add missing log warning in V102 for ITEM_NAME type conversion - Use getBoolean instead of getByte - Use ConverterAbstractEntityRename for V143 TippedArrow -> Arrow rename, as it will affect ENTITY_NAME type - Always set isVillager to false in V502 for Zombie - Register V808's converter under subversion 1 like DFU - Register a breakpoint for V1.17.1. In the future, all final versions of major releases will have a breakpoint so that the work required to determine if a converter needs a breakpoint is minimal - Validate that a dataconverter is only registered for a version that is registered - ConverterFlattenTileEntity is actually ConverterFlattenEntity It even registered the converters under TILE_ENTITY, instead of ENTITY. - Fix id comparison in V1492 STRUCTURE_FEATURE renamer - Use ConverterAbstractStatsRename for V1510 stats renamer At the time I had written that class, the abstract renamer didn't exist. - Ensure OwnerUUID is at least set to empty string in V1904 if the ocelot is converted to a cat (this is likely so that it retains a collar) - Use generic read/write for Records in V1946 Records is actually a list, not a map. So reading map was invalid. * Always set light to zero when propagating decrease This fixes an almost infinite loop where light values would be spam queued on a very small subset on blocks. This also likely fixes the memory issues people were seeing. * re-organize patches * Apply and fix conflicts * Revert some patches getChunkAt retains chunks so that plugins don't spam loads revert mc-4 fix will remain unless issues pop up * Shuffle iterated chunks if per player is not enabled Can help with some mob spawning stacking up at locations * Make per player default, migrate all configs * Adjust comments in fixups * Rework config for player chunk loader Old config is not compatible. Move all configs to be under `settings` in paper.yml The player chunk loader has been modified to less aggressively load chunks, but to send chunks at higher rates compared to tuinity. There are new config entries to tune this behavior. * Add back old constructor to CompressionEncoder/Decoder (fixes Tuinity #358) * Raise chunk loading default limits * Reduce worldgen thread workers for lower core count cpus * Raise limits for chunk loading config Also place it under `chunk-loading` * Disable max chunk send rate by default * Fix conflicts and rebuild patches * Drop default send rate again Appears to be still causing problems for no known reason * Raise chunk send limits to 100 per player While a low limit fixes ping issues for some people, most people do not suffer from this issue and thus should not suffer from an extremely slow load-in rate. * Rebase part 1 Autosquash the fixups * Move not implemented up * Fixup mc-dev fixes Missed this one * Rebase per player viewdistance api into the original api patch * Remove old light engine patch part 1 The prioritisation must be kept from it, so that part has been rebased into the priority patch. Part 2 will deal with rebasing all of the patches _after_ * Rebase remaining patches for old light patch removal * Remove other mid tick patch * Remove Optimize-PlayerChunkMap-memory-use-for-visibleChunks.patch Replaced by `Do not copy visible chunks` * Revert AT for Vec3i setX/Y/Z The class is immutable. set should not be exposed * Remove old IntegerUtil class * Replace old CraftChunk#getEntities patch * Remove import for SWMRNibbleArray in ChunkAccess * Finished merge checklist * Remove ensureTickThread impl in urgency patch Co-authored-by: Spottedleaf <Spottedleaf@users.noreply.github.com> Co-authored-by: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
324 lines
16 KiB
Diff
324 lines
16 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Wed, 6 May 2020 04:53:35 -0400
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Subject: [PATCH] Optimize Network Manager and add advanced packet support
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Adds ability for 1 packet to bundle other packets to follow it
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Adds ability for a packet to delay sending more packets until a state is ready.
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Removes synchronization from sending packets
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Removes processing packet queue off of main thread
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- for the few cases where it is allowed, order is not necessary nor
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should it even be happening concurrently in first place (handshaking/login/status)
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Ensures packets sent asynchronously are dispatched on main thread
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This helps ensure safety for ProtocolLib as packet listeners
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are commonly accessing world state. This will allow you to schedule
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a packet to be sent async, but itll be dispatched sync for packet
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listeners to process.
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This should solve some deadlock risks
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Also adds Netty Channel Flush Consolidation to reduce the amount of flushing
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Also avoids spamming closed channel exception by rechecking closed state in dispatch
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and then catch exceptions and close if they fire.
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Part of this commit was authored by: Spottedleaf
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diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
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index e5f8c48c8d57ce0df4e7aacdbc3a6d3e9b3cb6e1..3faf9bc694016f3f46576a549814ff8e6070598a 100644
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--- a/src/main/java/net/minecraft/network/Connection.java
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+++ b/src/main/java/net/minecraft/network/Connection.java
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@@ -87,6 +87,10 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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public int protocolVersion;
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public java.net.InetSocketAddress virtualHost;
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private static boolean enableExplicitFlush = Boolean.getBoolean("paper.explicit-flush");
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+ // Optimize network
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+ public boolean isPending = true;
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+ public boolean queueImmunity = false;
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+ public ConnectionProtocol protocol;
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// Paper end
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public Connection(PacketFlow side) {
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@@ -110,6 +114,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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}
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public void setProtocol(ConnectionProtocol state) {
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+ protocol = state; // Paper
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this.channel.attr(Connection.ATTRIBUTE_PROTOCOL).set(state);
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this.channel.config().setAutoRead(true);
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Connection.LOGGER.debug("Enabled auto read");
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@@ -186,19 +191,87 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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Validate.notNull(listener, "packetListener", new Object[0]);
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this.packetListener = listener;
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}
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+ // Paper start
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+ public net.minecraft.server.level.ServerPlayer getPlayer() {
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+ if (packetListener instanceof ServerGamePacketListenerImpl) {
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+ return ((ServerGamePacketListenerImpl) packetListener).player;
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+ } else {
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+ return null;
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+ }
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+ }
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+ private static class InnerUtil { // Attempt to hide these methods from ProtocolLib so it doesn't accidently pick them up.
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+ private static java.util.List<Packet> buildExtraPackets(Packet packet) {
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+ java.util.List<Packet> extra = packet.getExtraPackets();
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+ if (extra == null || extra.isEmpty()) {
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+ return null;
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+ }
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+ java.util.List<Packet> ret = new java.util.ArrayList<>(1 + extra.size());
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+ buildExtraPackets0(extra, ret);
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+ return ret;
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+ }
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+
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+ private static void buildExtraPackets0(java.util.List<Packet> extraPackets, java.util.List<Packet> into) {
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+ for (Packet extra : extraPackets) {
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+ into.add(extra);
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+ java.util.List<Packet> extraExtra = extra.getExtraPackets();
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+ if (extraExtra != null && !extraExtra.isEmpty()) {
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+ buildExtraPackets0(extraExtra, into);
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+ }
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+ }
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+ }
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+ // Paper start
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+ private static boolean canSendImmediate(Connection networkManager, Packet<?> packet) {
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+ return networkManager.isPending || networkManager.protocol != ConnectionProtocol.PLAY ||
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+ packet instanceof net.minecraft.network.protocol.game.ClientboundKeepAlivePacket ||
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+ packet instanceof net.minecraft.network.protocol.game.ClientboundChatPacket ||
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+ packet instanceof net.minecraft.network.protocol.game.ClientboundCommandSuggestionsPacket ||
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+ packet instanceof net.minecraft.network.protocol.game.ClientboundSetTitleTextPacket ||
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+ packet instanceof net.minecraft.network.protocol.game.ClientboundSetSubtitleTextPacket ||
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+ packet instanceof net.minecraft.network.protocol.game.ClientboundSetActionBarTextPacket ||
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+ packet instanceof net.minecraft.network.protocol.game.ClientboundSetTitlesAnimationPacket ||
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+ packet instanceof net.minecraft.network.protocol.game.ClientboundClearTitlesPacket ||
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+ packet instanceof net.minecraft.network.protocol.game.ClientboundBossEventPacket;
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+ }
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+ // Paper end
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+ }
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+ // Paper end
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public void send(Packet<?> packet) {
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this.send(packet, (GenericFutureListener) null);
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}
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public void send(Packet<?> packet, @Nullable GenericFutureListener<? extends Future<? super Void>> callback) {
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- if (this.isConnected()) {
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- this.flushQueue();
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+ // Paper start - handle oversized packets better
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+ boolean connected = this.isConnected();
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+ if (!connected && !preparing) {
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+ return; // Do nothing
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+ }
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+ packet.onPacketDispatch(getPlayer());
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+ if (connected && (InnerUtil.canSendImmediate(this, packet) || (
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+ net.minecraft.server.MCUtil.isMainThread() && packet.isReady() && this.queue.isEmpty() &&
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+ (packet.getExtraPackets() == null || packet.getExtraPackets().isEmpty())
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+ ))) {
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this.sendPacket(packet, callback);
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- } else {
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- this.queue.add(new Connection.PacketHolder(packet, callback));
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+ return;
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}
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+ // write the packets to the queue, then flush - antixray hooks there already
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+ java.util.List<Packet> extraPackets = InnerUtil.buildExtraPackets(packet);
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+ boolean hasExtraPackets = extraPackets != null && !extraPackets.isEmpty();
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+ if (!hasExtraPackets) {
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+ this.queue.add(new Connection.PacketHolder(packet, callback));
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+ } else {
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+ java.util.List<Connection.PacketHolder> packets = new java.util.ArrayList<>(1 + extraPackets.size());
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+ packets.add(new Connection.PacketHolder(packet, null)); // delay the future listener until the end of the extra packets
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+ for (int i = 0, len = extraPackets.size(); i < len;) {
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+ Packet extra = extraPackets.get(i);
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+ boolean end = ++i == len;
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+ packets.add(new Connection.PacketHolder(extra, end ? callback : null)); // append listener to the end
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+ }
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+ this.queue.addAll(packets); // atomic
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+ }
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+ this.flushQueue();
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+ // Paper end
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}
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private void sendPacket(Packet<?> packet, @Nullable GenericFutureListener<? extends Future<? super Void>> callback) {
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@@ -226,33 +299,79 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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this.setProtocol(enumprotocol);
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}
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+ // Paper start
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+ net.minecraft.server.level.ServerPlayer player = getPlayer();
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+ if (!isConnected()) {
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+ packet.onPacketDispatchFinish(player, null);
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+ return;
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+ }
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+
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+ try {
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+ // Paper end
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ChannelFuture channelfuture = this.channel.writeAndFlush(packet);
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if (genericfuturelistener != null) {
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channelfuture.addListener(genericfuturelistener);
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}
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+ // Paper start
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+ if (packet.hasFinishListener()) {
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+ channelfuture.addListener((ChannelFutureListener) channelFuture -> packet.onPacketDispatchFinish(player, channelFuture));
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+ }
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+ // Paper end
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channelfuture.addListener(ChannelFutureListener.FIRE_EXCEPTION_ON_FAILURE);
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+ // Paper start
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+ } catch (Exception e) {
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+ LOGGER.error("NetworkException: " + player, e);
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+ disconnect(new net.minecraft.network.chat.TranslatableComponent("disconnect.genericReason", "Internal Exception: " + e.getMessage()));
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+ packet.onPacketDispatchFinish(player, null);
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+ }
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+ // Paper end
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}
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private ConnectionProtocol getCurrentProtocol() {
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return (ConnectionProtocol) this.channel.attr(Connection.ATTRIBUTE_PROTOCOL).get();
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}
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- private void flushQueue() {
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- if (this.channel != null && this.channel.isOpen()) {
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- Queue queue = this.queue;
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-
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+ // Paper start - rewrite this to be safer if ran off main thread
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+ private boolean flushQueue() { // void -> boolean
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+ if (!isConnected()) {
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+ return true;
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+ }
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+ if (net.minecraft.server.MCUtil.isMainThread()) {
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+ return processQueue();
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+ } else if (isPending) {
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+ // Should only happen during login/status stages
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synchronized (this.queue) {
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- Connection.PacketHolder networkmanager_queuedpacket;
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-
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- while ((networkmanager_queuedpacket = (Connection.PacketHolder) this.queue.poll()) != null) {
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- this.sendPacket(networkmanager_queuedpacket.packet, networkmanager_queuedpacket.listener);
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- }
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+ return this.processQueue();
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+ }
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+ }
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+ return false;
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+ }
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+ private boolean processQueue() {
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+ if (this.queue.isEmpty()) return true;
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+ // If we are on main, we are safe here in that nothing else should be processing queue off main anymore
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+ // But if we are not on main due to login/status, the parent is synchronized on packetQueue
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+ java.util.Iterator<PacketHolder> iterator = this.queue.iterator();
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+ while (iterator.hasNext()) {
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+ PacketHolder queued = iterator.next(); // poll -> peek
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+
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+ // Fix NPE (Spigot bug caused by handleDisconnection())
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+ if (queued == null) {
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+ return true;
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+ }
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+ Packet<?> packet = queued.packet;
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+ if (!packet.isReady()) {
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+ return false;
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+ } else {
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+ iterator.remove();
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+ this.sendPacket(packet, queued.listener);
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}
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}
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+ return true;
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}
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+ // Paper end
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public void tick() {
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this.flushQueue();
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@@ -289,9 +408,22 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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return this.address;
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}
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+ // Paper start
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+ public void clearPacketQueue() {
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+ net.minecraft.server.level.ServerPlayer player = getPlayer();
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+ queue.forEach(queuedPacket -> {
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+ Packet<?> packet = queuedPacket.packet;
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+ if (packet.hasFinishListener()) {
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+ packet.onPacketDispatchFinish(player, null);
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+ }
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+ });
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+ queue.clear();
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+ }
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+ // Paper end
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public void disconnect(Component disconnectReason) {
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// Spigot Start
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this.preparing = false;
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+ clearPacketQueue(); // Paper
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// Spigot End
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if (this.channel.isOpen()) {
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this.channel.close(); // We can't wait as this may be called from an event loop.
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@@ -409,7 +541,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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public void handleDisconnection() {
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if (this.channel != null && !this.channel.isOpen()) {
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if (this.disconnectionHandled) {
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- Connection.LOGGER.warn("handleDisconnection() called twice");
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+ //Connection.LOGGER.warn("handleDisconnection() called twice"); // Paper - Do not log useless message
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} else {
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this.disconnectionHandled = true;
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if (this.getDisconnectedReason() != null) {
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@@ -417,7 +549,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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} else if (this.getPacketListener() != null) {
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this.getPacketListener().onDisconnect(new TranslatableComponent("multiplayer.disconnect.generic"));
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}
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- this.queue.clear(); // Free up packet queue.
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+ clearPacketQueue(); // Paper
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// Paper start - Add PlayerConnectionCloseEvent
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final PacketListener packetListener = this.getPacketListener();
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if (packetListener instanceof ServerGamePacketListenerImpl) {
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diff --git a/src/main/java/net/minecraft/network/protocol/Packet.java b/src/main/java/net/minecraft/network/protocol/Packet.java
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index 74bfe0d3942259c45702b099efdc4e101a4e3022..e8fcd56906d26f6dc87959e32c4c7c78cfea9658 100644
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--- a/src/main/java/net/minecraft/network/protocol/Packet.java
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+++ b/src/main/java/net/minecraft/network/protocol/Packet.java
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@@ -9,6 +9,19 @@ public interface Packet<T extends PacketListener> {
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void handle(T listener);
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// Paper start
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+ /**
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+ * @param player Null if not at PLAY stage yet
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+ */
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+ default void onPacketDispatch(@javax.annotation.Nullable net.minecraft.server.level.ServerPlayer player) {}
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+
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+ /**
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+ * @param player Null if not at PLAY stage yet
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+ * @param future Can be null if packet was cancelled
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+ */
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+ default void onPacketDispatchFinish(@javax.annotation.Nullable net.minecraft.server.level.ServerPlayer player, @javax.annotation.Nullable io.netty.channel.ChannelFuture future) {}
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+ default boolean hasFinishListener() { return false; }
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+ default boolean isReady() { return true; }
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+ default java.util.List<Packet> getExtraPackets() { return null; }
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default boolean packetTooLarge(net.minecraft.network.Connection manager) {
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return false;
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}
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diff --git a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
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index abcd335f5577dae6d613e5e0dd2656e1ab3ee9f0..4e08fdf47fd201c26223fc8efb0ef4f6e884f8c7 100644
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--- a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
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+++ b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
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@@ -63,10 +63,12 @@ public class ServerConnectionListener {
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final List<Connection> connections = Collections.synchronizedList(Lists.newArrayList());
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// Paper start - prevent blocking on adding a new network manager while the server is ticking
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private final java.util.Queue<Connection> pending = new java.util.concurrent.ConcurrentLinkedQueue<>();
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+ private static final boolean disableFlushConsolidation = Boolean.getBoolean("Paper.disableFlushConsolidate"); // Paper
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private final void addPending() {
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Connection manager = null;
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while ((manager = pending.poll()) != null) {
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connections.add(manager);
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+ manager.isPending = false;
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}
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}
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// Paper end
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@@ -101,6 +103,7 @@ public class ServerConnectionListener {
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;
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}
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+ if (!disableFlushConsolidation) channel.pipeline().addFirst(new io.netty.handler.flush.FlushConsolidationHandler()); // Paper
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channel.pipeline().addLast("timeout", new ReadTimeoutHandler(30)).addLast("legacy_query", new LegacyQueryHandler(ServerConnectionListener.this)).addLast("splitter", new Varint21FrameDecoder()).addLast("decoder", new PacketDecoder(PacketFlow.SERVERBOUND)).addLast("prepender", new Varint21LengthFieldPrepender()).addLast("encoder", new PacketEncoder(PacketFlow.CLIENTBOUND));
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int j = ServerConnectionListener.this.server.getRateLimitPacketsPerSecond();
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Object object = j > 0 ? new RateKickingConnection(j) : new Connection(PacketFlow.SERVERBOUND);
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