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  package test.load.leakcheck.busy;
  
  import javax.sip.*;
  import javax.sip.header.*;
  import java.util.*;

This class is a UAC template. Shootist is the guy that shoots and shootme is the guy that gets shot.

Author(s):
M. Ranganathan
 
 
 public class Shootme implements SipListener {
 
     private static AddressFactory addressFactory;
 
     private static MessageFactory messageFactory;
 
     private static HeaderFactory headerFactory;
 
     private static SipStack sipStack;
 
     private static final String myAddress = "127.0.0.1";
 
     private static final int myPort = 5070;
 
     protected ServerTransaction inviteTid;
 
     private int counter;
 
     class Ttask extends TimerTask {
 
         public Ttask() {
             new Timer().schedule(this, 0, 20000);
         }
 
         /*
          * (non-Javadoc)
          *
          * @see java.util.TimerTask#run()
          */
         public void run() {
             System.gc();
             long freemem = Runtime.getRuntime().totalMemory();
             ..println("mem = " + freemem);
         }
 
     }
 
     class ApplicationData {
         protected int ackCount;
     }
 
     protected static final String usageString = "java "
             + "examples.shootist.Shootist \n"
             + ">>>> is your class path set to the root?";
 
     private static void usage() {
         ..println();
         System.exit(0);
 
     }
 
     public void processRequest(RequestEvent requestEvent) {
         Request request = requestEvent.getRequest();
         ServerTransaction serverTransactionId = requestEvent
                 .getServerTransaction();

        
System.out.println("\n\nRequest " + request.getMethod() + " received at " + sipStack.getStackName() + " with server transaction id " + serverTransactionId);
 
 
         if (request.getMethod().equals(.)) {
             processInvite(requestEventserverTransactionId);
         } else if (request.getMethod().equals(.)) {
             processAck(requestEventserverTransactionId);
         } else if (request.getMethod().equals(.)) {
             processBye(requestEventserverTransactionId);
         }
 
     }

    
Process the ACK request. Send the bye and complete the call flow.
 
     public void processAck(RequestEvent requestEvent,
             ServerTransaction serverTransaction) {
         SipProvider sipProvider = (SipProviderrequestEvent.getSource();
         ..println("sip provider: " + sipProvider);
         try {
             ..println("shootme: got an ACK "
                     + requestEvent.getRequest());
         } catch (Exception ex) {
             ex.printStackTrace();
            System.exit(0);
        }
    }

    
Process the invite request.
    public void processInvite(RequestEvent requestEvent,
            ServerTransaction serverTransaction) {
        SipProvider sipProvider = (SipProviderrequestEvent.getSource();
        Request request = requestEvent.getRequest();
        if ( == 99)
            new Ttask();
        this.++;
        try {
            Response response = .createResponse(
                    .request);
            ToHeader toHeader = (ToHeaderresponse.getHeader(.);
            toHeader.setTag("4321"); // Application is supposed to set.
            Address address = .createAddress("Shootme <sip:"
                    +  + ":" +  + ">");
            ContactHeader contactHeader = 
                    .createContactHeader(address);
            response.addHeader(contactHeader);
            if (serverTransaction == null) {
                serverTransaction = sipProvider
                        .getNewServerTransaction(request);
            }
            serverTransaction.sendResponse(response);
        } catch (Exception ex) {
            ex.printStackTrace();
            System.exit(0);
        }
    }

    
Process the bye request.
    public void processBye(RequestEvent requestEvent,
            ServerTransaction serverTransactionId) {
        SipProvider sipProvider = (SipProviderrequestEvent.getSource();
        ..println("sip provider: " + sipProvider);
        Request request = requestEvent.getRequest();
        try {
            ..println("shootme:  got a bye sending OK.");
            Response response = .createResponse(200, request,
                    nullnull);
            serverTransactionId.sendResponse(response);
            ..println("Dialog State is "
                    + serverTransactionId.getDialog().getState());
        } catch (Exception ex) {
            ex.printStackTrace();
            System.exit(0);
        }
    }
    public void processResponse(ResponseEvent responseReceivedEvent) {
        ..println("Got a response");
        Response response = (ResponseresponseReceivedEvent.getResponse();
        Transaction tid = responseReceivedEvent.getClientTransaction();
        ..println("Response received with client transaction id "
                + tid + ":\n" + response);
        try {
            if (response.getStatusCode() == .
                    && ((CSeqHeaderresponse.getHeader(.))
                            .getMethod().equals(.)) {
                if (tid != this.) {
                    new Exception().printStackTrace();
                    System.exit(0);
                }
                Dialog dialog = tid.getDialog();
                // Save the tags for the dialog here.
                Request request = tid.getRequest();
                dialog.sendAck(request);
            }
            Dialog dialog = tid.getDialog();
            ..println("Dalog State = " + dialog.getState());
        } catch (Exception ex) {
            ex.printStackTrace();
            System.exit(0);
        }
    }
    public void processTimeout(javax.sip.TimeoutEvent timeoutEvent) {
        Transaction transaction;
        if (timeoutEvent.isServerTransaction()) {
            transaction = timeoutEvent.getServerTransaction();
        } else {
            transaction = timeoutEvent.getClientTransaction();
        }
        ..println("state = " + transaction.getState());
        ..println("dialog = " + transaction.getDialog());
        ..println("dialogState = "
                + transaction.getDialog().getState());
        ..println("Transaction Time out");
    }
    public void init() {
        SipFactory sipFactory = null;
         = null;
        sipFactory = SipFactory.getInstance();
        sipFactory.setPathName("gov.nist");
        Properties properties = new Properties();
        //ifdef SIMULATION
        /*
         * properties.setProperty("javax.sip.IP_ADDRESS","129.6.55.62"); //else
         */
        properties.setProperty("javax.sip.IP_ADDRESS");
        //endif
        //
        properties.setProperty("javax.sip.RETRANSMISSION_FILTER""true");
        properties.setProperty("javax.sip.STACK_NAME""shootme");
        // You need 16 for logging traces. 32 for debug + traces.
        // Your code will limp at 32 but it is best for debugging.
        properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL""0");
        properties.setProperty("gov.nist.javax.sip.DEBUG_LOG",
                "shootmedebug.txt");
        // Guard against starvation.
        properties.setProperty("gov.nist.javax.sip.READ_TIMEOUT""1000");
        // properties.setProperty("gov.nist.javax.sip.MAX_MESSAGE_SIZE",
        // "4096");
        properties.setProperty("gov.nist.javax.sip.CACHE_SERVER_CONNECTIONS",
                "false");
        try {
            // Create SipStack object
             = sipFactory.createSipStack(properties);
            ..println("sipStack = " + );
        } catch (PeerUnavailableException e) {
            // could not find
            // gov.nist.jain.protocol.ip.sip.SipStackImpl
            // in the classpath
            e.printStackTrace();
            ..println(e.getMessage());
            if (e.getCause() != null)
                e.getCause().printStackTrace();
            System.exit(0);
        }
        try {
             = sipFactory.createHeaderFactory();
             = sipFactory.createAddressFactory();
             = sipFactory.createMessageFactory();
            ListeningPoint lp = .createListeningPoint(.getIPAddress(), 5070, "udp");
            ListeningPoint lp1 = .createListeningPoint(.getIPAddress(), 5070, "tcp");
            Shootme listener = this;
            SipProvider sipProvider = .createSipProvider(lp);
            ..println("udp provider " + sipProvider);
            sipProvider.addSipListener(listener);
            sipProvider = .createSipProvider(lp1);
            ..println("tcp provider " + sipProvider);
            sipProvider.addSipListener(listener);
            System.gc();
            long freemem = Runtime.getRuntime().totalMemory();
            ..println("Current memory" + freemem);
        } catch (Exception ex) {
            ..println(ex.getMessage());
            ex.printStackTrace();
            usage();
        }
    }
    public void processIOException(IOExceptionEvent exceptionEvent) {
        ..println("IOException occured while retransmitting requests:" + exceptionEvent);
    }
    public void processTransactionTerminated(TransactionTerminatedEvent transactionTerminatedEvent) {
        ..println("Transaction Terminated event: " + transactionTerminatedEvent );
    }
    public void processDialogTerminated(DialogTerminatedEvent dialogTerminatedEvent) {
        ..println("Dialog Terminated event: " + dialogTerminatedEvent);
    }
    public static void main(String args[]) {
        new Shootme().init();
    }
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