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Disable Implicit Network Manager Flushing

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This seems completely pointless, as packet dispatch uses .writeAndFlush.

Things seem to work fine without implicit flushing, but incase issues arise,
provide a System property to re-enable it using improved logic of doing the
flushing on the netty event loop, so it won't do the flush on the main thread.

Renable flushing by passing -Dpaper.implicit-flush=true
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Aikar 2018-03-11 14:15:38 -04:00
parent 3672d832d4
commit 9e35831323
1 changed files with 35 additions and 0 deletions
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Spigot-Server-Patches/Disable-Implicit-Network-Manager-Flushing.patch Normal file
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 11 Mar 2018 14:13:33 -0400
Subject: [PATCH] Disable Implicit Network Manager Flushing
This seems completely pointless, as packet dispatch uses .writeAndFlush.
Things seem to work fine without implicit flushing, but incase issues arise,
provide a System property to re-enable it using improved logic of doing the
flushing on the netty event loop, so it won't do the flush on the main thread.
Renable flushing by passing -Dpaper.implicit-flush=true
diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
index b93a26e8f..da7c45697 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<?>> {
// Paper start - NetworkClient implementation
public int protocolVersion;
public java.net.InetSocketAddress virtualHost;
+ private static boolean enableImplicitFlush = Boolean.getBoolean("paper.implicit-flush");
// Paper end
public NetworkManager(EnumProtocolDirection enumprotocoldirection) {
@@ -0,0 +0,0 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
}
if (this.channel != null) {
- this.channel.flush();
+ if (enableImplicitFlush) this.channel.eventLoop().execute(() -> this.channel.flush()); // Paper - we don't need to implicit flush here, but allow opt in incase issues are found to a better version
}
}
--