1 /*
2 * junixsocket
3 *
4 * Copyright 2009-2024 Christian Kohlschütter
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package org.newsclub.net.unix.demo.server;
19
20 import java.io.IOException;
21 import java.io.InputStream;
22 import java.io.OutputStream;
23 import java.net.Socket;
24 import java.net.SocketAddress;
25
26 /**
27 * A multi-threaded unix socket server that simply echoes all input, byte per byte.
28 *
29 * @author Christian Kohlschütter
30 */
31 public final class EchoServer extends DemoServerBase {
32 public EchoServer(SocketAddress listenAddress) {
33 super(listenAddress);
34 }
35
36 @Override
37 protected void doServeSocket(Socket socket) throws IOException {
38 int bufferSize = socket.getReceiveBufferSize();
39 byte[] buffer = new byte[bufferSize];
40
41 try (InputStream is = socket.getInputStream(); //
42 OutputStream os = socket.getOutputStream()) {
43 int read;
44 while ((read = is.read(buffer)) != -1) {
45 os.write(buffer, 0, read);
46 }
47 }
48 }
49 }