Expose client protocol version and virtual host

paper-server/patches/sources/net/minecraft/network/Connection.java.patch

@@ -29,11 +29,15 @@
      @Nullable
      private volatile PacketListener disconnectListener;
      @Nullable
-@@ -114,6 +119,19 @@
+@@ -114,6 +119,23 @@
      private volatile DisconnectionDetails delayedDisconnect;
      @Nullable
      BandwidthDebugMonitor bandwidthDebugMonitor;
 +    public String hostname = ""; // CraftBukkit - add field
++    // Paper start - NetworkClient implementation
++    public int protocolVersion;
++    public java.net.InetSocketAddress virtualHost;
++    // Paper end
 +
 +    // Paper start - add utility methods
 +    public final net.minecraft.server.level.ServerPlayer getPlayer() {
@@ -49,7 +53,7 @@
  
      public Connection(PacketFlow side) {
          this.receiving = side;
-@@ -123,6 +141,9 @@
+@@ -123,6 +145,9 @@
          super.channelActive(channelhandlercontext);
          this.channel = channelhandlercontext.channel();
          this.address = this.channel.remoteAddress();
@@ -59,7 +63,7 @@
          if (this.delayedDisconnect != null) {
              this.disconnect(this.delayedDisconnect);
          }
-@@ -176,6 +197,7 @@
+@@ -176,6 +201,7 @@
  
              }
          }
@@ -67,7 +71,7 @@
      }
  
      protected void channelRead0(ChannelHandlerContext channelhandlercontext, Packet<?> packet) {
-@@ -205,7 +227,7 @@
+@@ -205,7 +231,7 @@
      }
  
      private static <T extends PacketListener> void genericsFtw(Packet<T> packet, PacketListener listener) {
@@ -76,7 +80,7 @@
      }
  
      private void validateListener(ProtocolInfo<?> state, PacketListener listener) {
-@@ -464,12 +486,15 @@
+@@ -464,12 +490,15 @@
      }
  
      public void disconnect(DisconnectionDetails disconnectionInfo) {
@@ -93,7 +97,7 @@
              this.disconnectionDetails = disconnectionInfo;
          }
  
-@@ -537,7 +562,7 @@
+@@ -537,7 +566,7 @@
      }
  
      public void configurePacketHandler(ChannelPipeline pipeline) {
@@ -102,7 +106,7 @@
              public void write(ChannelHandlerContext channelhandlercontext, Object object, ChannelPromise channelpromise) throws Exception {
                  super.write(channelhandlercontext, object, channelpromise);
              }
-@@ -661,6 +686,7 @@
+@@ -661,6 +690,7 @@
  
                      packetlistener1.onDisconnect(disconnectiondetails);
                  }