| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.drill.exec.rpc; |
| |
| import io.netty.buffer.ByteBuf; |
| |
| /** |
| * This handler fails any request on the connection. Example use case: the peer is making requests |
| * before authenticating. |
| * |
| * @param <S> server connection type |
| */ |
| public class FailingRequestHandler<S extends ServerConnection<S>> implements RequestHandler<S> { |
| // private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(FailingRequestHandler.class); |
| |
| @Override |
| public void handle(S connection, int rpcType, ByteBuf pBody, ByteBuf dBody, ResponseSender sender) |
| throws RpcException { |
| |
| // drops connection |
| throw new RpcException(String.format("Request of type %d is not yet allowed. Dropping connection to %s.", |
| rpcType, connection.getRemoteAddress())); |
| } |
| } |