/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.network.listen;
import com.caucho.inject.Module;
/**
* A select manager handles keepalive connections.
*/
@Module
abstract public class AbstractSelectManager {
/**
* Sets the timeout.
*/
public void setSelectTimeout(long period)
{
}
/**
* Sets the max.
*/
public void setSelectMax(int max)
{
}
/**
* Gets the max.
*/
public int getSelectMax()
{
return -1;
}
/**
* Starts the manager.
*/
abstract public boolean start();
/**
* Adds a keepalive connection.
*
* @param conn the connection to register as keepalive
*
* @return true if the keepalive was successful
*/
abstract public boolean keepalive(TcpSocketLink conn);
/**
* Returns the select count.
*/
public int getSelectCount()
{
return 0;
}
/**
* Returns the number of available keepalives.
*/
public int getFreeKeepalive()
{
return Integer.MAX_VALUE / 2;
}
/**
* Stops the manager.
*/
public boolean stop()
{
return true;
}
/**
* Closing the manager.
*/
public void close()
{
stop();
}
}