//
   //  ========================================================================
   //  Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
   //  ------------------------------------------------------------------------
   //  All rights reserved. This program and the accompanying materials
   //  are made available under the terms of the Eclipse Public License v1.0
   //  and Apache License v2.0 which accompanies this distribution.
   //
   //      The Eclipse Public License is available at
  //      http://www.eclipse.org/legal/epl-v10.html
  //
  //      The Apache License v2.0 is available at
  //      http://www.opensource.org/licenses/apache2.0.php
  //
  //  You may elect to redistribute this code under either of these licenses.
  //  ========================================================================
  //
  
  package org.eclipse.jetty.server;
  
  import java.io.IOException;
  import java.util.concurrent.Executor;
  import java.util.concurrent.Future;
  
  import org.eclipse.jetty.io.ByteBufferPool;
  import org.eclipse.jetty.util.annotation.ManagedAttribute;
  import org.eclipse.jetty.util.annotation.ManagedObject;
  import org.eclipse.jetty.util.thread.Scheduler;
  
  /**
   * An abstract Network Connector.
   * <p>
   * Extends the {@link AbstractConnector} support for the {@link NetworkConnector} interface.
   */
  @ManagedObject("AbstractNetworkConnector")
  public abstract class AbstractNetworkConnector extends AbstractConnector implements NetworkConnector
  {
  
      private volatile String _host;
      private volatile int _port = 0;
  
      public AbstractNetworkConnector(Server server, Executor executor, Scheduler scheduler, ByteBufferPool pool, int acceptors, ConnectionFactory... factories)
      {
          super(server,executor,scheduler,pool,acceptors,factories);
      }
  
      public void setHost(String host)
      {
          _host = host;
      }
  
      @Override
      @ManagedAttribute("The network interface this connector binds to as an IP address or a hostname.  If null or 0.0.0.0, then bind to all interfaces.")
      public String getHost()
      {
          return _host;
      }
  
      public void setPort(int port)
      {
          _port = port;
      }
  
      @Override
      @ManagedAttribute("Port this connector listens on. If set the 0 a random port is assigned which may be obtained with getLocalPort()")
      public int getPort()
      {
          return _port;
      }
  
      @Override
      public int getLocalPort()
      {
          return -1;
      }
  
      @Override
      protected void doStart() throws Exception
      {
          open();
          super.doStart();
      }
  
      @Override
      protected void doStop() throws Exception
      {
          close();
          super.doStop();
      }
  
      @Override
      public void open() throws IOException
      {
      }
  
      @Override
      public void close()
      {
          // Interrupting is often sufficient to close the channel
         interruptAcceptors();
     }
     
 
     @Override
     public Future<Void> shutdown()
     {
         close();
         return super.shutdown();
     }
 
     @Override
     protected boolean isAccepting()
     {
         return super.isAccepting() && isOpen();
     }
 
     @Override
     public String toString()
     {
         return String.format("%s{%s:%d}",
                 super.toString(),
                 getHost() == null ? "0.0.0.0" : getHost(),
                 getLocalPort() <= 0 ? getPort() : getLocalPort());
     }
 }