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Add API for quit reason

The following has been tested:
- Disconnect from menu -> DISCONNECTED
- EssentialsX kick -> KICKED
- Suspend server JVM -> DISCONNECTED
- Suspend client JVM -> TIMED_OUT
- Call #exceptionCaught -> ERRONEOUS_STATE

Suspension was done through `kill -STOP` and subsequently `kill -CONT`
after the player has (been) disconnected.

Closes .
This commit is contained in:
Mariell Hoversholm 2020-11-14 16:23:10 +01:00
parent fcd9bc3e26
commit 5d66ba7613
2 changed files with 131 additions and 0 deletions
Spigot-API-Patches
Spigot-Server-Patches

View file

@ -0,0 +1,68 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Sat, 14 Nov 2020 16:19:58 +0100
Subject: [PATCH] Add API for quit reason
diff --git a/src/main/java/org/bukkit/event/player/PlayerQuitEvent.java b/src/main/java/org/bukkit/event/player/PlayerQuitEvent.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/event/player/PlayerQuitEvent.java
+++ b/src/main/java/org/bukkit/event/player/PlayerQuitEvent.java
@@ -0,0 +0,0 @@ import org.jetbrains.annotations.Nullable;
*/
public class PlayerQuitEvent extends PlayerEvent {
private static final HandlerList handlers = new HandlerList();
+ private final QuitReason reason; // Paper
private String quitMessage;
public PlayerQuitEvent(@NotNull final Player who, @Nullable final String quitMessage) {
+ // Paper start
+ this(who, quitMessage, null);
+ }
+ public PlayerQuitEvent(@NotNull final Player who, @Nullable final String quitMessage, @Nullable QuitReason quitReason) {
super(who);
+ this.reason = quitReason == null ? QuitReason.DISCONNECTED : quitReason;
+ // Paper end
this.quitMessage = quitMessage;
}
@@ -0,0 +0,0 @@ public class PlayerQuitEvent extends PlayerEvent {
public static HandlerList getHandlerList() {
return handlers;
}
+
+ // Paper start
+ @NotNull
+ public QuitReason getReason() {
+ return this.reason;
+ }
+
+ public enum QuitReason {
+ /**
+ * The player left on their own behalf.
+ * <p>
+ * This does not mean they pressed the disconnect button in their client, but rather that the client severed the
+ * connection themselves. This may occur if no keep-alive packet is received on their side, among other things.
+ */
+ DISCONNECTED,
+
+ /**
+ * The player was kicked from the server.
+ */
+ KICKED,
+
+ /**
+ * The player has timed out.
+ */
+ TIMED_OUT,
+
+ /**
+ * The player's connection has entered an erroneous state.
+ * <p>
+ * Reasons for this may include invalid packets, invalid data, and uncaught exceptions in the packet handler,
+ * among others.
+ */
+ ERRONEOUS_STATE,
+ }
+ // Paper end
}

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@ -0,0 +1,63 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Sat, 14 Nov 2020 16:19:52 +0100
Subject: [PATCH] Add API for quit reason
diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -0,0 +0,0 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
double lastEntitySpawnRadiusSquared; // Paper - optimise isOutsideRange, this field is in blocks
boolean needsChunkCenterUpdate; // Paper - no-tick view distance
+ public org.bukkit.event.player.PlayerQuitEvent.QuitReason quitReason = null; // Paper - there are a lot of changes to do if we change all methods leading to the event
public EntityPlayer(MinecraftServer minecraftserver, WorldServer worldserver, GameProfile gameprofile, PlayerInteractManager playerinteractmanager) {
super(worldserver, worldserver.getSpawn(), worldserver.v(), gameprofile);
diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/NetworkManager.java
+++ b/src/main/java/net/minecraft/server/NetworkManager.java
@@ -0,0 +0,0 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
this.u = true;
if (this.channel.isOpen()) {
+ EntityPlayer player = this.getPlayer(); // Paper
if (throwable instanceof TimeoutException) {
NetworkManager.LOGGER.debug("Timeout", throwable);
+ if (player != null) player.quitReason = org.bukkit.event.player.PlayerQuitEvent.QuitReason.TIMED_OUT; // Paper
this.close(new ChatMessage("disconnect.timeout"));
} else {
ChatMessage chatmessage = new ChatMessage("disconnect.genericReason", new Object[]{"Internal Exception: " + throwable});
+ if (player != null) player.quitReason = org.bukkit.event.player.PlayerQuitEvent.QuitReason.ERRONEOUS_STATE; // Paper
if (flag) {
NetworkManager.LOGGER.debug("Failed to sent packet", throwable);
this.sendPacket(new PacketPlayOutKickDisconnect(chatmessage), (future) -> {
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -0,0 +0,0 @@ public class PlayerConnection implements PacketListenerPlayIn {
final IChatBaseComponent ichatbasecomponent = CraftChatMessage.fromString(s, true)[0];
// CraftBukkit end
+ this.player.quitReason = org.bukkit.event.player.PlayerQuitEvent.QuitReason.KICKED; // Paper
this.networkManager.sendPacket(new PacketPlayOutKickDisconnect(ichatbasecomponent), (future) -> {
this.networkManager.close(ichatbasecomponent);
});
diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/PlayerList.java
+++ b/src/main/java/net/minecraft/server/PlayerList.java
@@ -0,0 +0,0 @@ public abstract class PlayerList {
entityplayer.closeInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason.DISCONNECT); // Paper
}
- PlayerQuitEvent playerQuitEvent = new PlayerQuitEvent(cserver.getPlayer(entityplayer), "\u00A7e" + entityplayer.getName() + " left the game");
+ PlayerQuitEvent playerQuitEvent = new PlayerQuitEvent(cserver.getPlayer(entityplayer), "\u00A7e" + entityplayer.getName() + " left the game", entityplayer.quitReason); // Paper - quit reason
if (entityplayer.didPlayerJoinEvent) cserver.getPluginManager().callEvent(playerQuitEvent); // Paper - if we disconnected before join ever fired, don't fire quit
entityplayer.getBukkitEntity().disconnect(playerQuitEvent.getQuitMessage());