/*
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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()));
}
}