/*
    * ====================================================================
    * 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package org.apache.http.impl.bootstrap;
  
  import java.io.IOException;
  import java.net.ServerSocket;
  import java.net.Socket;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.atomic.AtomicBoolean;
  
  import org.apache.http.ExceptionLogger;
  import org.apache.http.HttpConnectionFactory;
  import org.apache.http.HttpServerConnection;
  import org.apache.http.config.SocketConfig;
  import org.apache.http.protocol.HttpService;
  
  /**
   * @since 4.4
   */
  class RequestListener implements Runnable {
  
      private final SocketConfig socketConfig;
      private final ServerSocket serversocket;
      private final HttpService httpService;
      private final HttpConnectionFactory<? extends HttpServerConnection> connectionFactory;
      private final ExceptionLogger exceptionLogger;
      private final ExecutorService executorService;
      private final AtomicBoolean terminated;
  
      public RequestListener(
              final SocketConfig socketConfig,
              final ServerSocket serversocket,
              final HttpService httpService,
              final HttpConnectionFactory<? extends HttpServerConnection> connectionFactory,
              final ExceptionLogger exceptionLogger,
              final ExecutorService executorService) {
          this.socketConfig = socketConfig;
          this.serversocket = serversocket;
          this.connectionFactory = connectionFactory;
          this.httpService = httpService;
          this.exceptionLogger = exceptionLogger;
          this.executorService = executorService;
          this.terminated = new AtomicBoolean(false);
      }
  
      @Override
      public void run() {
          try {
              while (!isTerminated() && !Thread.interrupted()) {
                  final Socket socket = this.serversocket.accept();
                  socket.setSoTimeout(this.socketConfig.getSoTimeout());
                  socket.setKeepAlive(this.socketConfig.isSoKeepAlive());
                  socket.setTcpNoDelay(this.socketConfig.isTcpNoDelay());
                  if (this.socketConfig.getRcvBufSize() > 0) {
                      socket.setReceiveBufferSize(this.socketConfig.getRcvBufSize());
                  }
                  if (this.socketConfig.getSndBufSize() > 0) {
                      socket.setSendBufferSize(this.socketConfig.getSndBufSize());
                  }
                  if (this.socketConfig.getSoLinger() >= 0) {
                      socket.setSoLinger(true, this.socketConfig.getSoLinger());
                  }
                  final HttpServerConnection conn = this.connectionFactory.createConnection(socket);
                  final Workerstrap/Worker.html#Worker">Worker worker = new Worker(this.httpService, conn, this.exceptionLogger);
                  this.executorService.execute(worker);
              }
          } catch (final Exception ex) {
              this.exceptionLogger.log(ex);
          }
      }
  
      public boolean isTerminated() {
          return this.terminated.get();
      }
  
     public void terminate() throws IOException {
         if (this.terminated.compareAndSet(false, true)) {
             this.serversocket.close();
         }
     }
 
 }