package test.load.multidialog;
import javax.sip.*;
import javax.sip.address.*;
import javax.sip.header.*;
import javax.sip.message.*;
import java.util.*;
/**
* This class is a UAC template. Shootist is the guy that shoots and shootme is
* the guy that gets shot.
*
* @author 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 String myAddress = "127.0.0.1";
private static int myPort = 5070;
int numInvite = 0;
private int terminatedCount;
private int createdCount;
private HashSet dialogIds;
private HashMap transactionIDs;
class TTask extends TimerTask {
RequestEvent requestEvent;
ServerTransaction st;
public TTask(RequestEvent requestEvent, ServerTransaction st) {
this.requestEvent = requestEvent;
this.st = st;
}
public void run() {
Request request = requestEvent.getRequest();
try {
//System.out.println("shootme: got an Invite sending OK");
Response response = messageFactory.createResponse(180, request);
ToHeader toHeader = (ToHeader) response
.getHeader(ToHeader.NAME);
Address address = addressFactory.createAddress("Shootme <sip:"
+ myAddress + ":" + myPort + ">");
ContactHeader contactHeader = headerFactory
.createContactHeader(address);
response.addHeader(contactHeader);
//System.out.println("got a server tranasaction " + st);
Dialog dialog = st.getDialog();
/*
* if (dialog != null) { System.out.println("Dialog " + dialog);
* System.out.println("Dialog state " + dialog.getState()); }
*/
st.sendResponse(response); // send 180(RING)
response = messageFactory.createResponse(200, request);
toHeader = (ToHeader) response.getHeader(ToHeader.NAME);
String toTag = new Integer( (int) (Math.random() * 1000) ).toString();
toHeader.setTag(toTag); // Application is supposed to set.
response.addHeader(contactHeader);
st.sendResponse(response);// send 200(OK)
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
}
protected static final String usageString = "java "
+ "examples.shootist.Shootist \n"
+ ">>>> is your class path set to the root?";
private static void usage() {
System.out.println(usageString);
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(Request.INVITE)) {
processInvite(requestEvent, serverTransactionId);
} else if (request.getMethod().equals(Request.ACK)) {
processAck(requestEvent, serverTransactionId);
} else if (request.getMethod().equals(Request.BYE)) {
processBye(requestEvent, serverTransactionId);
}
}
/**
* Process the ACK request. Send the bye and complete the call flow.
*/
public void processAck(RequestEvent requestEvent,
ServerTransaction serverTransaction) {
SipProvider sipProvider = (SipProvider) requestEvent.getSource();
try {
// System.out.println("*** shootme: got an ACK "
// + requestEvent.getRequest());
if (serverTransaction == null) {
System.out
.println("null server transaction -- ignoring the ACK!");
return;
}
Dialog dialog = serverTransaction.getDialog();
this.createdCount ++;
System.out.println("Dialog Created = " + dialog.getDialogId() + " createdCount " + this.createdCount +
" Dialog State = " + dialog.getState() );
if ( this.dialogIds.contains(dialog.getDialogId())) {
System.out.println("OOPS ! I already saw " + dialog.getDialogId());
} else {
this.dialogIds.add(dialog.getDialogId());
}
Request byeRequest = dialog.createRequest(Request.BYE);
ClientTransaction tr = sipProvider
.getNewClientTransaction(byeRequest);
// System.out.println("shootme: got an ACK -- sending bye! ");
dialog.sendRequest(tr);
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
/**
* Process the invite request.
*/
public void processInvite(RequestEvent requestEvent,
ServerTransaction serverTransaction) {
try {
//System.out.println("ProcessInvite");
Request request = requestEvent.getRequest();
SipProvider sipProvider = (SipProvider) requestEvent.getSource();
// Note you need to create the Server Transaction
// before the listener returns but you can delay sending the response
ServerTransaction st = sipProvider.getNewServerTransaction(request);
if ( transactionIDs.containsKey(st.getBranchId())) {
System.out.println("OOOPS -- seen this guy before!! This must be a late guy " + st.getBranchId()
+ " st = " + transactionIDs.get(st.getBranchId()));
return;
} else {
transactionIDs.put( st.getBranchId(),st);
}
TTask ttask = new TTask(requestEvent, st);
int ttime;
if ((numInvite % 4) == 0)
ttime = 5000;
else if ((numInvite % 4) == 1)
ttime = 1000;
else
ttime = 300;
numInvite++;
new Timer().schedule(ttask, ttime);
} catch (Exception ex) {
ex.printStackTrace();
}
}
/**
* Process the bye request.
*/
public void processBye(RequestEvent requestEvent,
ServerTransaction serverTransactionId) {
Request request = requestEvent.getRequest();
try {
// System.out.println("shootme: got a bye sending OK.");
Response response = messageFactory.createResponse(200, request,
null, null);
serverTransactionId.sendResponse(response);
// System.out.println("Dialog State is "
// + serverTransactionId.getDialog().getState());
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
public void processResponse(ResponseEvent responseReceivedEvent) {
// System.out.println("Got a response");
Response response = (Response) responseReceivedEvent.getResponse();
Transaction tid = responseReceivedEvent.getClientTransaction();
// System.out.println("Response received with client transaction id "
// + tid + ":\n" + response);
try {
if (response.getStatusCode() == Response.OK
&& ((CSeqHeader) response.getHeader(CSeqHeader.NAME))
.getMethod().equals(Request.INVITE)) {
Dialog dialog = tid.getDialog();
Request request = tid.getRequest();
dialog.sendAck(request);
}
} 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();
}
/*
* System.out.println("state = " + transaction.getState());
* System.out.println("dialog = " + transaction.getDialog());
* System.out.println("dialogState = " +
* transaction.getDialog().getState());
* System.out.println("Transaction Time out" + transaction.getBranchId());
*/
}
public void init() {
this.dialogIds = new HashSet();
this.transactionIDs = new HashMap();
SipFactory sipFactory = null;
sipStack = null;
sipFactory = SipFactory.getInstance();
sipFactory.setPathName("gov.nist");
Properties properties = new Properties();
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", "32");
properties.setProperty("gov.nist.javax.sip.DEBUG_LOG",
"shootmedebuglog.txt");
properties.setProperty("gov.nist.javax.sip.SERVER_LOG",
"shootmelog.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
sipStack = sipFactory.createSipStack(properties);
System.out.println("sipStack = " + sipStack);
} catch (PeerUnavailableException e) {
// could not find
// gov.nist.jain.protocol.ip.sip.SipStackImpl
// in the classpath
e.printStackTrace();
System.err.println(e.getMessage());
if (e.getCause() != null)
e.getCause().printStackTrace();
System.exit(0);
}
try {
headerFactory = sipFactory.createHeaderFactory();
addressFactory = sipFactory.createAddressFactory();
messageFactory = sipFactory.createMessageFactory();
ListeningPoint lp = sipStack.createListeningPoint(myAddress, 5070,
"udp");
ListeningPoint lp1 = sipStack.createListeningPoint(myAddress, 5070,
"tcp");
Shootme listener = this;
SipProvider sipProvider = sipStack.createSipProvider(lp);
System.out.println("udp provider " + sipProvider);
sipProvider.addSipListener(listener);
sipProvider = sipStack.createSipProvider(lp1);
System.out.println("tcp provider " + sipProvider);
sipProvider.addSipListener(listener);
} catch (Exception ex) {
System.out.println(ex.getMessage());
ex.printStackTrace();
usage();
}
}
public static void main(String args[]) {
/* pass dynamic parameters in *.bat file(command line) */
if (args.length >= 1)
myAddress = args[0];
if (args.length >= 2)
myPort = Integer.parseInt(args[1]);
System.out.println("\n***Address=<" + myAddress + ">, Port=<" + myPort
+ ">.");
new Shootme().init();
}
public void processIOException(IOExceptionEvent exceptionEvent) {
System.out.println("IOException event");
}
public void processTransactionTerminated(
TransactionTerminatedEvent transactionTerminatedEvent) {
//System.out.println("TransactionTerminatedEvent");
}
public void processDialogTerminated(
DialogTerminatedEvent dialogTerminatedEvent) {
Dialog dialog = dialogTerminatedEvent.getDialog();
this.terminatedCount++;
System.out.println("Dialog Terminated Event " + dialog.getDialogId() + " terminatedCount = " + terminatedCount);
if ( ! this.dialogIds.contains(dialog.getDialogId())) {
System.out.println("Saw a terminated event for an unknown dialog id");
} else {
this.dialogIds.remove(dialog.getDialogId());
}
}
}