/** * 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.net; import java.io.Closeable; import org.apache.hadoop.classification.InterfaceAudience; import java.io.IOException; import java.net.SocketTimeoutException; @InterfaceAudience.Private public interface PeerServer extends Closeable { /** * Set the receive buffer size of the PeerServer. * * @param size The receive buffer size. */ public void setReceiveBufferSize(int size) throws IOException; /** * Listens for a connection to be made to this server and accepts * it. The method blocks until a connection is made. * * @exception IOException if an I/O error occurs when waiting for a * connection. * @exception SecurityException if a security manager exists and its * <code>checkAccept</code> method doesn't allow the operation. * @exception SocketTimeoutException if a timeout was previously set and * the timeout has been reached. */ public Peer accept() throws IOException, SocketTimeoutException; /** * @return A string representation of the address we're * listening on. */ public String getListeningString(); /** * Free the resources associated with this peer server. * This normally includes sockets, etc. * * @throws IOException If there is an error closing the PeerServer */ public void close() throws IOException; }