blob: 31bdd7f0aa9c1310afb4c8b7e2e511662a6f381c [file] [log] [blame]
/**
* 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.hadoop.hdfs.test.system;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.security.KerberosInfo;
import org.apache.hadoop.test.system.DaemonProtocol;
/**
* Client side API exposed from Datanode.
* Actual implementations are likely to be injected
*
* The protocol has to be annotated so KerberosInfo can be filled in during
* creation of a ipc.Client connection
*/
@KerberosInfo(
serverPrincipal = DFSConfigKeys.DFS_DATANODE_USER_NAME_KEY)
public interface DNProtocol extends DaemonProtocol {
public static final long versionID = 1L;
}