/*
* Copyright (C) 2005 Luca Veltri - University of Parma - Italy
*
* This file is part of MjSip (http://www.mjsip.org)
*
* MjSip 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.
*
* MjSip 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MjSip; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author(s):
* Luca Veltri (luca.veltri@unipr.it)
*/
package org.zoolu.sip.transaction;
import org.zoolu.sip.address.SipURL;
import org.zoolu.sip.provider.*;
import org.zoolu.sip.message.*;
import org.zoolu.tools.Timer;
import org.zoolu.tools.TimerListener;
import org.zoolu.tools.LogLevel;
/** ACK client transaction should follow an INVITE client transaction within an INVITE Dialog in a SIP UAC.
* The AckTransactionClient simply sends an ACK request message and terminates.
*/
public class AckTransactionClient extends Transaction
{
/** the TransactionClientListener that captures the events fired by the AckTransactionClient */
TransactionClientListener transaction_listener;
/** Creates a new AckTransactionClient. */
public AckTransactionClient(SipProvider sip_provider, Message ack, TransactionClientListener listener)
{ super(sip_provider);
request=new Message(ack);
transaction_listener=listener;
transaction_id=request.getTransactionId();
printLog("id: "+String.valueOf(transaction_id),LogLevel.HIGH);
printLog("created",LogLevel.HIGH);
}
/** Starts the AckTransactionClient and sends the ACK request. */
public void request()
{ printLog("start",LogLevel.LOW);
sip_provider.sendMessage(request);
changeStatus(STATE_TERMINATED);
//if (transaction_listener!=null) transaction_listener.onAckCltTerminated(this);
// (CHANGE-040421) free the link to transaction_listener
transaction_listener=null;
}
/** Method used to drop an active transaction. */
public void terminate()
{ changeStatus(STATE_TERMINATED);
// (CHANGE-040421) free the link to transaction_listener
transaction_listener=null;
}
//**************************** Logs ****************************/
/** Adds a new string to the default Log */
protected void printLog(String str, int level)
{ if (log!=null) log.println("AckTransactionClient#"+transaction_sqn+": "+str,level+SipStack.LOG_LEVEL_TRANSACTION);
}
}