content: /*
   * 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.asterix.test.server;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.io.OutputStream;
  import java.net.ServerSocket;
  import java.net.Socket;
  
  public class OpenSocketFileTestServer extends FileTestServer {
  
      private boolean closed;
  
      public OpenSocketFileTestServer(int port) {
          super(port);
      }
  
      @Override
      public void start() throws IOException {
          serverSocket = new ServerSocket(port);
          listenerThread = new Thread(new Runnable() {
              @Override
              public void run() {
                  while (!serverSocket.isClosed()) {
                      try {
                          Socket socket = serverSocket.accept();
                          new Thread(new SocketThread(socket)).start();
                      } catch (IOException e) {
                          e.printStackTrace();
                          // Do nothing. This means the socket was closed for some reason.
                          // There is nothing to do here except try to close the socket and see if the
                          // server is still listening!
                          // This also could be due to the close() call
                      }
                  }
              }
          });
          listenerThread.start();
      }
  
      private class SocketThread implements Runnable {
          private Socket socket;
          private OutputStream os;
  
          public SocketThread(Socket socket) {
              this.socket = socket;
          }
  
          @Override
          public void run() {
              try {
                  os = socket.getOutputStream();
                  byte[] chunk = new byte[1024];
                  for (String path : paths) {
                      try (FileInputStream fin = new FileInputStream(new File(path))) {
                          int read = fin.read(chunk);
                          while (read > 0) {
                              os.write(chunk, 0, read);
                              read = fin.read(chunk);
                          }
                      }
                  }
              } catch (Throwable th) {
                  th.printStackTrace();
                  // There are two possibilities here:
                  // 1. The socket was closed from the other end.
                  // 2. Server.close() was called.
              } finally {
                  synchronized (serverSocket) {
                      if (!closed) {
                          try {
                              serverSocket.wait();
                          } catch (InterruptedException e) {
                              e.printStackTrace();
                          }
                      }
                  }
                  try {
                      os.close();
                  } catch (Throwable th) {
                      th.printStackTrace();
                  }
                  try {
                      socket.close();
                  } catch (Throwable th) {
                      th.printStackTrace();
                  }
              }
          }
      }
  
      @Override
      public void stop() throws IOException, InterruptedException {
          synchronized (serverSocket) {
              closed = true;
              try {
                  serverSocket.close();
                  if (listenerThread.isAlive()) {
                      listenerThread.join();
                  }
              } finally {
                  serverSocket.notifyAll();
              }
          }
      }
  }
  