/**
* 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.ipc;
import java.lang.reflect.Method;
import java.io.IOException;
import java.net.InetSocketAddress;
import javax.net.SocketFactory;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.SecretManager;
import org.apache.hadoop.security.token.TokenIdentifier;
import org.apache.hadoop.conf.Configuration;
/** An RPC implementation. */
interface RpcEngine {
/** Construct a client-side proxy object. */
Object getProxy(Class protocol,
long clientVersion, InetSocketAddress addr,
UserGroupInformation ticket, Configuration conf,
SocketFactory factory) throws IOException;
/** Stop this proxy. */
void stopProxy(Object proxy);
/** Expert: Make multiple, parallel calls to a set of servers. */
Object[] call(Method method, Object[][] params, InetSocketAddress[] addrs,
UserGroupInformation ticket, Configuration conf)
throws IOException, InterruptedException;
/** Construct a server for a protocol implementation instance. */
RPC.Server getServer(Class protocol, Object instance, String bindAddress,
int port, int numHandlers, boolean verbose,
Configuration conf,
SecretManager<? extends TokenIdentifier> secretManager
) throws IOException;
}