Support RakNet Cookies

build-logic/src/main/kotlin/geyser.modded-conventions.gradle.kts

@@ -107,6 +107,7 @@ dependencies {
 }
 
 repositories {
+    // mavenLocal()
     maven("https://repo.opencollab.dev/maven-releases/")
     maven("https://repo.opencollab.dev/maven-snapshots/")
     maven("https://jitpack.io")

core/build.gradle.kts

@@ -6,6 +6,10 @@ plugins {
 }
 
 dependencies {
+    constraints {
+        implementation(libs.raknet) // Ensure protocol does not override the RakNet version
+    }
+
     api(projects.common)
     api(projects.api)
 

core/src/main/java/org/geysermc/geyser/dump/DumpInfo.java

@@ -78,6 +78,7 @@ public class DumpInfo {
     private final GeyserConfiguration config;
     private final Floodgate floodgate;
     private final Object2IntMap<DeviceOs> userPlatforms;
+    private final int connectionAttempts;
     private final HashInfo hashInfo;
     private final RamInfo ramInfo;
     private LogsInfo logsInfo;
@@ -129,6 +130,8 @@ public DumpInfo(boolean addLog) {
             userPlatforms.put(device, userPlatforms.getOrDefault(device, 0) + 1);
         }
 
+        this.connectionAttempts = GeyserImpl.getInstance().getGeyserServer().getConnectionAttempts();
+
         this.bootstrapInfo = GeyserImpl.getInstance().getBootstrap().getDumpInfo();
 
         this.flagsInfo = new FlagsInfo();

core/src/main/java/org/geysermc/geyser/network/netty/GeyserServer.java

@@ -74,7 +74,6 @@
 import java.util.function.Supplier;
 
 import static org.cloudburstmc.netty.channel.raknet.RakConstants.DEFAULT_GLOBAL_PACKET_LIMIT;
-import static org.cloudburstmc.netty.channel.raknet.RakConstants.DEFAULT_OFFLINE_PACKET_LIMIT;
 import static org.cloudburstmc.netty.channel.raknet.RakConstants.DEFAULT_PACKET_LIMIT;
 
 public final class GeyserServer {
@@ -111,6 +110,10 @@ public final class GeyserServer {
 
     private ChannelFuture[] bootstrapFutures;
 
+    // Keep track of connection attempts for dump info
+    @Getter
+    private int connectionAttempts = 0;
+
     /**
      * The port to broadcast in the pong. This can be different from the port the server is bound to, e.g. due to port forwarding.
      */
@@ -217,11 +220,6 @@ private ServerBootstrap createBootstrap() {
         int rakPacketLimit = positivePropOrDefault("Geyser.RakPacketLimit", DEFAULT_PACKET_LIMIT);
         this.geyser.getLogger().debug("Setting RakNet packet limit to " + rakPacketLimit);
 
-        boolean isWhitelistedProxyProtocol = this.geyser.getConfig().getBedrock().isEnableProxyProtocol() 
-            && !this.geyser.getConfig().getBedrock().getProxyProtocolWhitelistedIPs().isEmpty();
-        int rakOfflinePacketLimit = positivePropOrDefault("Geyser.RakOfflinePacketLimit", isWhitelistedProxyProtocol ? Integer.MAX_VALUE : DEFAULT_OFFLINE_PACKET_LIMIT);
-        this.geyser.getLogger().debug("Setting RakNet offline packet limit to " + rakOfflinePacketLimit);
-
         int rakGlobalPacketLimit = positivePropOrDefault("Geyser.RakGlobalPacketLimit", DEFAULT_GLOBAL_PACKET_LIMIT);
         this.geyser.getLogger().debug("Setting RakNet global packet limit to " + rakGlobalPacketLimit);
 
@@ -231,8 +229,8 @@ private ServerBootstrap createBootstrap() {
                 .option(RakChannelOption.RAK_HANDLE_PING, true)
                 .option(RakChannelOption.RAK_MAX_MTU, this.geyser.getConfig().getMtu())
                 .option(RakChannelOption.RAK_PACKET_LIMIT, rakPacketLimit)
-                .option(RakChannelOption.RAK_OFFLINE_PACKET_LIMIT, rakOfflinePacketLimit)
                 .option(RakChannelOption.RAK_GLOBAL_PACKET_LIMIT, rakGlobalPacketLimit)
+                .option(RakChannelOption.RAK_SEND_COOKIE, true)
                 .childHandler(serverInitializer);
     }
 
@@ -248,6 +246,7 @@ public boolean onConnectionRequest(InetSocketAddress inetSocketAddress) {
             }
 
             if (!isWhitelistedIP) {
+                connectionAttempts++;
                 return false;
             }
         }
@@ -270,10 +269,12 @@ public boolean onConnectionRequest(InetSocketAddress inetSocketAddress) {
         geyser.eventBus().fire(requestEvent);
         if (requestEvent.isCancelled()) {
             geyser.getLogger().debug("Connection request from " + ip + " was cancelled using the API!");
+            connectionAttempts++;
             return false;
         }
 
-        geyser.getLogger().info(GeyserLocale.getLocaleStringLog("geyser.network.attempt_connect", ip));
+        geyser.getLogger().debug(GeyserLocale.getLocaleStringLog("geyser.network.attempt_connect", ip));
+        connectionAttempts++;
         return true;
     }
 

gradle/libs.versions.toml

@@ -11,7 +11,7 @@ gson = "2.3.1" # Provided by Spigot 1.8.8
 websocket = "1.5.1"
 protocol = "3.0.0.Beta1-20240313.120922-126"
 protocol-connection = "3.0.0.Beta1-20240313.120922-125"
-raknet = "1.0.0.CR1-20240330.103819-16"
+raknet = "1.0.0.CR3-20240416.144209-1"
 blockstateupdater="1.20.70-20240303.125052-2"
 mcauthlib = "d9d773e"
 mcprotocollib = "1.20.4-2-20240116.220521-7"

settings.gradle.kts

@@ -4,6 +4,8 @@ enableFeaturePreview("TYPESAFE_PROJECT_ACCESSORS")
 
 dependencyResolutionManagement {
     repositories {
+        // mavenLocal()
+
         // Floodgate, Cumulus etc.
         maven("https://repo.opencollab.dev/main")
 
@@ -30,7 +32,6 @@ dependencyResolutionManagement {
             mavenContent { releasesOnly() }
         }
 
-        mavenLocal()
         mavenCentral()
 
         // ViaVersion