Waterfall/Waterfall-Proxy-Patches/0027-TCP-Fast-Open.patch

From 216628c6de6f3697ed82a84be11d73301705e170 Mon Sep 17 00:00:00 2001
From: LinsaFTW <25271111+linsaftw@users.noreply.github.com>
Date: Thu, 24 Feb 2022 23:41:57 -0300
Subject: [PATCH] TCP Fast Open


diff --git a/flamecord/src/main/java/dev/_2lstudios/flamecord/configuration/FlameCordConfiguration.java b/flamecord/src/main/java/dev/_2lstudios/flamecord/configuration/FlameCordConfiguration.java
index 48deace6..d972fcea 100644
--- a/flamecord/src/main/java/dev/_2lstudios/flamecord/configuration/FlameCordConfiguration.java
+++ b/flamecord/src/main/java/dev/_2lstudios/flamecord/configuration/FlameCordConfiguration.java
@@ -15,6 +15,10 @@ import net.md_5.bungee.config.Configuration;
 import net.md_5.bungee.config.ConfigurationProvider;
 
 public class FlameCordConfiguration extends FlameConfig {
+    // FlameCord - TCP Fast Open
+    @Getter
+    private int tcpFastOpen = 3;
+
     private List<String> colors(final List<String> strings) {
         for (int i = 0; i < strings.size(); i++) {
             strings.set(i, ChatColor.translateAlternateColorCodes('&', strings.get(i)));
@@ -55,6 +59,8 @@ public class FlameCordConfiguration extends FlameConfig {
                 configuration = configurationProvider.load(configurationFile);
             }
 
+            this.tcpFastOpen = setIfUnexistant("tcp-fast-open", this.tcpFastOpen, configuration);
+
             this.customMotdEnabled = setIfUnexistant("custom-motd.enabled", this.customMotdEnabled, configuration);
             this.customMotdMotds = colors(new ArrayList<>(setIfUnexistant("custom-motd.motds", this.customMotdMotds, configuration)));
 
diff --git a/proxy/src/main/java/net/md_5/bungee/netty/PipelineUtils.java b/proxy/src/main/java/net/md_5/bungee/netty/PipelineUtils.java
index a840bc70..f4bf745c 100644
--- a/proxy/src/main/java/net/md_5/bungee/netty/PipelineUtils.java
+++ b/proxy/src/main/java/net/md_5/bungee/netty/PipelineUtils.java
@@ -198,6 +198,8 @@ public class PipelineUtils
                 // IP_TOS is not supported (Windows XP / Windows Server 2003)
             }
             ch.config().setOption( ChannelOption.TCP_NODELAY, true );
+            // FlameCord - TCP Fast Open
+            ch.config().setOption( ChannelOption.TCP_FASTOPEN, FlameCord.getInstance().getFlameCordConfiguration().getTcpFastOpen() );
             ch.config().setAllocator( PooledByteBufAllocator.DEFAULT );
             ch.config().setWriteBufferWaterMark( MARK );
 
-- 
2.32.0