/*
    * junixsocket
    *
    * Copyright 2009-2024 Christian Kohlschütter
    *
    * Licensed 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.newsclub.net.unix.demo.client;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InterruptedIOException;
  import java.io.OutputStream;
  import java.net.Socket;
  import java.util.concurrent.CountDownLatch;
  
  /**
   * A simple bidirectional Unix socket client that reads from/writes to stdin/stdout.
   */
  @SuppressWarnings("CatchAndPrintStackTrace" /* errorprone */)
  public final class ReadWriteClient extends DemoClientBase {
    @Override
    protected void handleSocket(Socket socket) throws IOException {
      try (InputStream in = socket.getInputStream(); OutputStream out = socket.getOutputStream()) {
        final byte[] readBuf = new byte[socket.getReceiveBufferSize()];
        final byte[] writeBuf = new byte[socket.getSendBufferSize()];
  
        final CountDownLatch cdl = new CountDownLatch(2);
  
        new Thread() {
          @Override
          public void run() {
            int bytes;
            try {
              while ((bytes = in.read(readBuf)) != -1) {
                System.out.write(readBuf, 0, bytes);
                System.out.flush();
              }
            } catch (IOException e) {
              e.printStackTrace();
            }
            cdl.countDown();
          }
        }.start();
  
        new Thread() {
          @Override
          public void run() {
            int bytes;
            try {
              while ((bytes = System.in.read(writeBuf)) != -1) {
                out.write(writeBuf, 0, bytes);
                out.flush();
              }
            } catch (IOException e) {
              e.printStackTrace();
            }
            cdl.countDown();
          }
        }.start();
  
        cdl.await();
      } catch (InterruptedException e) {
        throw (InterruptedIOException) new InterruptedIOException().initCause(e);
      }
    }
  }