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https://github.com/PaperMC/Paper.git
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01a13871de
Patch documentation to come Issues with the old system that are fixed now: - World generation does not scale with cpu cores effectively. - Relies on the main thread for scheduling and maintaining chunk state, dropping chunk load/generate rates at lower tps. - Unreliable prioritisation of chunk gen/load calls that block the main thread. - Shutdown logic is utterly unreliable, as it has to wait for all chunks to unload - is it guaranteed that the chunk system is in a state on shutdown that it can reliably do this? Watchdog shutdown also typically failed due to thread checks, which is now resolved. - Saving of data is not unified (i.e can save chunk data without saving entity data, poses problems for desync if shutdown is really abnormal. - Entities are not loaded with chunks. This caused quite a bit of headache for Chunk#getEntities API, but now the new chunk system loads entities with chunks so that they are ready whenever the chunk loads in. Effectively brings the behavior back to 1.16 era, but still storing entities in their own separate regionfiles. The above list is not complete. The patch documentation will complete it. New chunk system hard relies on starlight and dataconverter, and most importantly the new concurrent utilities in ConcurrentUtil. Some of the old async chunk i/o interface (i.e the old file io thread reroutes _some_ calls to the new file io thread) is kept for plugin compat reasons. It will be removed in the next major version of minecraft. The old legacy chunk system patches have been moved to the removed folder in case we need them again.
149 lines
7.9 KiB
Diff
149 lines
7.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Minecrell <minecrell@minecrell.net>
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Date: Wed, 11 Oct 2017 19:30:51 +0200
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Subject: [PATCH] Call PaperServerListPingEvent for legacy pings
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diff --git a/src/main/java/com/destroystokyo/paper/network/PaperLegacyStatusClient.java b/src/main/java/com/destroystokyo/paper/network/PaperLegacyStatusClient.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..74c012fd40491f1d870fbc1aa8c318a2197eb106
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/network/PaperLegacyStatusClient.java
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@@ -0,0 +1,73 @@
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+package com.destroystokyo.paper.network;
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+
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+import com.destroystokyo.paper.event.server.PaperServerListPingEvent;
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+import net.minecraft.server.MinecraftServer;
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+import org.apache.commons.lang3.StringUtils;
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+import org.bukkit.ChatColor;
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+
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+import java.net.InetSocketAddress;
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+
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+import javax.annotation.Nullable;
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+
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+public final class PaperLegacyStatusClient implements StatusClient {
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+
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+ private final InetSocketAddress address;
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+ private final int protocolVersion;
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+ @Nullable private final InetSocketAddress virtualHost;
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+
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+ private PaperLegacyStatusClient(InetSocketAddress address, int protocolVersion, @Nullable InetSocketAddress virtualHost) {
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+ this.address = address;
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+ this.protocolVersion = protocolVersion;
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+ this.virtualHost = virtualHost;
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+ }
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+
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+ @Override
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+ public InetSocketAddress getAddress() {
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+ return this.address;
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+ }
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+
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+ @Override
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+ public int getProtocolVersion() {
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+ return this.protocolVersion;
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+ }
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+
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+ @Nullable
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+ @Override
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+ public InetSocketAddress getVirtualHost() {
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+ return this.virtualHost;
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+ }
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+
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+ @Override
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+ public boolean isLegacy() {
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+ return true;
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+ }
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+
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+ public static PaperServerListPingEvent processRequest(MinecraftServer server,
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+ InetSocketAddress address, int protocolVersion, @Nullable InetSocketAddress virtualHost) {
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+
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+ PaperServerListPingEvent event = new PaperServerListPingEventImpl(server,
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+ new PaperLegacyStatusClient(address, protocolVersion, virtualHost), Byte.MAX_VALUE, null);
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+ server.server.getPluginManager().callEvent(event);
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+
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+ if (event.isCancelled()) {
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+ return null;
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+ }
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+
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+ return event;
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+ }
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+
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+ public static String getMotd(PaperServerListPingEvent event) {
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+ return getFirstLine(event.getMotd());
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+ }
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+
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+ public static String getUnformattedMotd(PaperServerListPingEvent event) {
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+ // Strip color codes and all other occurrences of the color char (because it's used as delimiter)
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+ return getFirstLine(StringUtils.remove(ChatColor.stripColor(event.getMotd()), ChatColor.COLOR_CHAR));
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+ }
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+
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+ private static String getFirstLine(String s) {
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+ int pos = s.indexOf('\n');
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+ return pos >= 0 ? s.substring(0, pos) : s;
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+ }
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+
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+}
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diff --git a/src/main/java/net/minecraft/server/network/LegacyQueryHandler.java b/src/main/java/net/minecraft/server/network/LegacyQueryHandler.java
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index e35f4121280ca81dc78121d9aa65e9b7d0c41932..37cd7b44559e5705b31296df87c94d2ab200138d 100644
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--- a/src/main/java/net/minecraft/server/network/LegacyQueryHandler.java
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+++ b/src/main/java/net/minecraft/server/network/LegacyQueryHandler.java
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@@ -48,13 +48,21 @@ public class LegacyQueryHandler extends ChannelInboundHandlerAdapter {
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MinecraftServer minecraftserver = this.serverConnectionListener.getServer();
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int i = bytebuf.readableBytes();
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String s;
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- org.bukkit.event.server.ServerListPingEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callServerListPingEvent(minecraftserver.server, inetsocketaddress.getAddress(), minecraftserver.getMotd(), minecraftserver.previewsChat(), minecraftserver.getPlayerCount(), minecraftserver.getMaxPlayers()); // CraftBukkit
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+ //org.bukkit.event.server.ServerListPingEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callServerListPingEvent(minecraftserver.server, inetsocketaddress.getAddress(), minecraftserver.getMotd(), minecraftserver.previewsChat(), minecraftserver.getPlayerCount(), minecraftserver.getMaxPlayers()); // CraftBukkit // Paper
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+ com.destroystokyo.paper.event.server.PaperServerListPingEvent event; // Paper
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switch (i) {
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case 0:
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LegacyQueryHandler.LOGGER.debug("Ping: (<1.3.x) from {}:{}", inetsocketaddress.getAddress(), inetsocketaddress.getPort());
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- s = String.format(Locale.ROOT, "%s\u00a7%d\u00a7%d", event.getMotd(), event.getNumPlayers(), event.getMaxPlayers()); // CraftBukkit
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+ // Paper start - Call PaperServerListPingEvent and use results
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+ event = com.destroystokyo.paper.network.PaperLegacyStatusClient.processRequest(minecraftserver, inetsocketaddress, 39, null);
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+ if (event == null) {
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+ channelhandlercontext.close();
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+ break;
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+ }
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+ s = String.format(Locale.ROOT, "%s\u00a7%d\u00a7%d", com.destroystokyo.paper.network.PaperLegacyStatusClient.getUnformattedMotd(event), event.getNumPlayers(), event.getMaxPlayers());
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this.sendFlushAndClose(channelhandlercontext, this.createReply(s));
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+ // Paper end
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break;
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case 1:
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if (bytebuf.readUnsignedByte() != 1) {
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@@ -62,7 +70,14 @@ public class LegacyQueryHandler extends ChannelInboundHandlerAdapter {
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}
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LegacyQueryHandler.LOGGER.debug("Ping: (1.4-1.5.x) from {}:{}", inetsocketaddress.getAddress(), inetsocketaddress.getPort());
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- s = String.format(Locale.ROOT, "\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d", 127, minecraftserver.getServerVersion(), event.getMotd(), event.getNumPlayers(), event.getMaxPlayers()); // CraftBukkit
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+ // Paper start - Call PaperServerListPingEvent and use results
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+ event = com.destroystokyo.paper.network.PaperLegacyStatusClient.processRequest(minecraftserver, inetsocketaddress, 127, null); // Paper
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+ if (event == null) {
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+ channelhandlercontext.close();
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+ break;
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+ }
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+ s = String.format(Locale.ROOT, "\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d", new Object[] { event.getProtocolVersion(), minecraftserver.getServerVersion(), event.getMotd(), event.getNumPlayers(), event.getMaxPlayers()}); // CraftBukkit
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+ // Paper end
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this.sendFlushAndClose(channelhandlercontext, this.createReply(s));
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break;
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default:
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@@ -172,8 +187,16 @@ public class LegacyQueryHandler extends ChannelInboundHandlerAdapter {
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LOGGER.debug("Ping: (1.6) from {}", ctx.channel().remoteAddress());
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- String response = String.format("\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d",
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- Byte.MAX_VALUE, server.getServerVersion(), server.getMotd(), server.getPlayerCount(), server.getMaxPlayers());
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+ InetSocketAddress virtualHost = com.destroystokyo.paper.network.PaperNetworkClient.prepareVirtualHost(host, port);
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+ com.destroystokyo.paper.event.server.PaperServerListPingEvent event = com.destroystokyo.paper.network.PaperLegacyStatusClient.processRequest(
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+ server, (InetSocketAddress) ctx.channel().remoteAddress(), protocolVersion, virtualHost);
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+ if (event == null) {
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+ ctx.close();
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+ return;
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+ }
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+
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+ String response = String.format("\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d", event.getProtocolVersion(), event.getVersion(),
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+ com.destroystokyo.paper.network.PaperLegacyStatusClient.getMotd(event), event.getNumPlayers(), event.getMaxPlayers());
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this.sendFlushAndClose(ctx, this.createReply(response));
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}
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