[ISSUE #6547] Some RemotingChannel calls need to be forwarded to the …

…original Channel (#6548)

proxy/src/main/java/org/apache/rocketmq/proxy/remoting/channel/RemotingChannel.java

@@ -21,7 +21,10 @@
 import com.alibaba.fastjson.TypeReference;
 import com.google.common.base.MoreObjects;
 import io.netty.channel.Channel;
+import io.netty.channel.ChannelConfig;
+import io.netty.channel.ChannelFuture;
 import io.netty.channel.ChannelFutureListener;
+import io.netty.channel.ChannelMetadata;
 import java.time.Duration;
 import java.util.Set;
 import java.util.concurrent.CompletableFuture;
@@ -91,6 +94,21 @@ public boolean isWritable() {
         return this.parent().isWritable();
     }
 
+    @Override
+    public ChannelFuture close() {
+        return this.parent().close();
+    }
+
+    @Override
+    public ChannelConfig config() {
+        return this.parent().config();
+    }
+
+    @Override
+    public ChannelMetadata metadata() {
+        return this.parent().metadata();
+    }
+
     @Override
     protected CompletableFuture<Void> processOtherMessage(Object msg) {
         this.parent().writeAndFlush(msg);