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/*
* Conditions Of Use
*
* This software was developed by employees of the National Institute of
* Standards and Technology (NIST), an agency of the Federal Government.
* Pursuant to title 15 Untied States Code Section 105, works of NIST
* employees are not subject to copyright protection in the United States
* and are considered to be in the public domain.  As a result, a formal
* license is not needed to use the software.
*
* This software is provided by NIST as a service and is expressly
* provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
* AND DATA ACCURACY.  NIST does not warrant or make any representations
* regarding the use of the software or the results thereof, including but
* not limited to the correctness, accuracy, reliability or usefulness of
* the software.
*
* Permission to use this software is contingent upon your acceptance
* of the terms of this agreement
*
* .
*
*/
package gov.nist.javax.sip.stack;

import gov.nist.core.CommonLogger;
import gov.nist.core.LogWriter;
import gov.nist.core.StackLogger;

import java.nio.channels.SocketChannel;
import java.util.Iterator;
import java.util.Map.Entry;

/**
 * @author [email protected]
 */
public class SocketTimeoutAuditor extends SIPStackTimerTask {
	private static StackLogger logger = CommonLogger.getLogger(SocketTimeoutAuditor.class);
	long nioSocketMaxIdleTime;
	
	public SocketTimeoutAuditor(long nioSocketMaxIdleTime) {
		this.nioSocketMaxIdleTime = nioSocketMaxIdleTime;
	}
        
        @Override
        public Object getThreadHash() {
            return null;
        }        
	
	public void runTask() {
		try {
			// Reworked the method for https://java.net/jira/browse/JSIP-471
			if(logger.isLoggingEnabled(LogWriter.TRACE_DEBUG)) {
				logger.logDebug("keys to check for inactivity removal " + NioTcpMessageChannel.channelMap.keySet());
			}
			Iterator> entriesIterator = NioTcpMessageChannel.channelMap.entrySet().iterator();
			while(entriesIterator.hasNext()) {
				Entry entry = entriesIterator.next();
				SocketChannel socketChannel = entry.getKey();
				NioTcpMessageChannel messageChannel = entry.getValue();
				if(System.currentTimeMillis() - messageChannel.getLastActivityTimestamp() > nioSocketMaxIdleTime) {
					if(logger.isLoggingEnabled(LogWriter.TRACE_DEBUG)) {
						logger.logDebug("Will remove socket " + messageChannel.key + " lastActivity="
								+ messageChannel.getLastActivityTimestamp() + " current= " +
								System.currentTimeMillis() + " socketChannel = "
								+ socketChannel);
					}
					messageChannel.close();
					entriesIterator = NioTcpMessageChannel.channelMap.entrySet().iterator();
				} else {
					if(logger.isLoggingEnabled(LogWriter.TRACE_DEBUG)) {
						logger.logDebug("don't remove socket " + messageChannel.key + " as lastActivity="
								+ messageChannel.getLastActivityTimestamp() + " and current= " +
								System.currentTimeMillis() + " socketChannel = "
								+ socketChannel);
					}
				}
			}
		} catch (Exception anything) {

		}
	}
}