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1   /*
2    * junixsocket
3    *
4    * Copyright 2009-2026 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.net.Socket;
23  import java.net.SocketAddress;
24  
25  import com.kohlschutter.annotations.compiletime.SuppressFBWarnings;
26  
27  /**
28   * A multi-threaded unix socket server that simply reads all input, byte per byte, not doing
29   * anything else with it.
30   *
31   * @author Christian Kohlschütter
32   */
33  public final class NullServer extends DemoServerBase {
34    public NullServer(SocketAddress listenAddress) {
35      super(listenAddress);
36    }
37  
38    @Override
39    @SuppressFBWarnings("NCR_NOT_PROPERLY_CHECKED_READ")
40    protected void doServeSocket(Socket socket) throws IOException {
41      int bufferSize = socket.getReceiveBufferSize();
42      byte[] buffer = new byte[bufferSize];
43  
44      try (InputStream is = socket.getInputStream();) {
45        while (is.read(buffer) != -1) {
46          // do nothing
47        }
48      }
49    }
50  }