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Fix keepalive logic resetting counter

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This would of actually arised in the client being kicked due to sending
bad keepalive packets due to the erronious extra sending of keepalives too
This commit is contained in:
Shane Freeder
2024-12-26 15:19:56 +00:00
parent 3331805d0b
commit c9a904ed17
1 changed files with 6 additions and 5 deletions
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11
paper-server/patches/sources/net/minecraft/server/network/ServerCommonPacketListenerImpl.java.patch
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@@ -95,7 +95,7 @@
}
}
@@ -88,30 +_,117 @@
@@ -88,30 +_,119 @@
public void handlePong(ServerboundPongPacket packet) {
}
@@ -208,15 +208,16 @@
Profiler.get().push("keepAlive");
long millis = Util.getMillis();
- if (!this.isSingleplayerOwner() && millis - this.keepAliveTime >= 15000L) {
- if (this.keepAlivePending) {
- this.disconnect(TIMEOUT_DISCONNECTION_MESSAGE);
+ // Paper start - give clients a longer time to respond to pings as per pre 1.12.2 timings
+ // This should effectively place the keepalive handling back to "as it was" before 1.12.2
+ final long elapsedTime = millis - this.keepAliveTime;
+ if (!this.isSingleplayerOwner() && elapsedTime >= 15000L) { // use vanilla's 15000L between keep alive packets
+ if (this.keepAlivePending && !this.processedDisconnect && elapsedTime >= KEEPALIVE_LIMIT) { // check keepalive limit, don't fire if already disconnected
if (this.keepAlivePending) {
- this.disconnect(TIMEOUT_DISCONNECTION_MESSAGE);
+ if (!this.processedDisconnect && elapsedTime >= KEEPALIVE_LIMIT) { // check keepalive limit, don't fire if already disconnected
+ this.disconnect(TIMEOUT_DISCONNECTION_MESSAGE, org.bukkit.event.player.PlayerKickEvent.Cause.TIMEOUT); // Paper - kick event cause
+ }
+ // Paper end - give clients a longer time to respond to pings as per pre 1.12.2 timings
+ this.disconnect(TIMEOUT_DISCONNECTION_MESSAGE, org.bukkit.event.player.PlayerKickEvent.Cause.TIMEOUT); // Paper - kick event cause
} else if (this.checkIfClosed(millis)) {
this.keepAlivePending = true;
this.keepAliveTime = millis;