/*
* 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 Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.network.listen;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.caucho.inject.Module;
import com.caucho.util.Alarm;
/**
* Public API to control a comet connection.
*/
@Module
class TcpAsyncController extends AsyncController {
private static final Logger log
= Logger.getLogger(TcpAsyncController.class.getName());
private TcpSocketLink _conn;
private SocketLinkCometListener _cometHandler;
private boolean _isCompleteRequested;
private boolean _isTimeout;
TcpAsyncController(TcpSocketLink conn)
{
_conn = conn;
}
void initHandler(SocketLinkCometListener cometHandler)
{
_cometHandler = cometHandler;
}
public TcpSocketLink getConnection()
{
return _conn;
}
/**
* Sets the max idle time.
*/
@Override
public void setMaxIdleTime(long idleTime)
{
if (idleTime < 0 || Long.MAX_VALUE / 2 < idleTime)
idleTime = Long.MAX_VALUE / 2;
_conn.setIdleTimeout(idleTime);
}
/**
* Gets the max idle time.
*/
@Override
public long getMaxIdleTime()
{
return _conn.getIdleTimeout();
}
/**
* Complete the connection
*/
@Override
public final void complete()
{
_isCompleteRequested = true;
try {
wake();
} catch (Exception e) {
log.log(Level.FINEST, e.toString(), e);
}
}
/**
* Wakes the connection.
*/
@Override
public final boolean wake()
{
TcpSocketLink conn = _conn;
if (conn != null) {
conn.requestWakeComet();
return true;
}
else
return false;
}
@Override
public boolean isAsyncStarted()
{
TcpSocketLink conn = _conn;
return (conn != null && conn.isAsyncStarted());
}
/**
* Returns true for a duplex controller
*/
public boolean isDuplex()
{
return false;
}
/**
* Sets the timeout.
*/
@Override
public final void timeout()
{
_cometHandler.onTimeout();
_isTimeout = true;
_isCompleteRequested = true;
try {
wake();
} catch (Exception e) {
log.log(Level.FINEST, e.toString(), e);
}
}
void setTimeout()
{
_isTimeout = true;
_isCompleteRequested = true;
}
/**
* Return true if timed out
*/
public final boolean isTimeout()
{
return _isTimeout;
}
/**
* Returns true if the connection is active.
*/
public final boolean isActive()
{
return _conn != null;
}
final void setCompleteRequested()
{
_isCompleteRequested = true;
}
final boolean isCompleteRequested()
{
return _isCompleteRequested;
}
/**
* Returns true for an active comet connection.
*/
public boolean isComet()
{
TcpSocketLink conn = _conn;
return conn != null && ! _isCompleteRequested;
}
/**
* Returns true if the connection is active.
*/
public final boolean isClosed()
{
TcpSocketLink conn = _conn;
return conn == null || _isCompleteRequested;
}
/**
*
*/
public void toResume()
{
// TODO Auto-generated method stub
}
@Override
public void onClose()
{
try {
_cometHandler.onComplete();
} finally {
// _conn = null;
}
}
@Override
public void close()
{
super.close();
_conn = null;
}
@Override
public String toString()
{
TcpSocketLink conn = _conn;
if (conn == null)
return getClass().getSimpleName() + "[closed]";
StringBuilder sb = new StringBuilder();
sb.append(getClass().getSimpleName()).append("[");
if (Alarm.isTest())
sb.append("test");
else
sb.append(conn.getId());
TcpSocketLink tcpConn = null;
if (_conn instanceof TcpSocketLink)
tcpConn = (TcpSocketLink) _conn;
/*
if (tcpConn != null && tcpConn.isCometComplete())
sb.append(",complete");
*/
if (_isCompleteRequested)
sb.append(",complete");
if (_isTimeout)
sb.append(",timeout");
if (tcpConn != null)
sb.append("," + tcpConn.getRequestState());
sb.append("]");
return sb.toString();
}
}