package test.load.concurrency;
import javax.sip.ClientTransaction;
import javax.sip.Dialog;
import javax.sip.DialogTerminatedEvent;
import javax.sip.IOExceptionEvent;
import javax.sip.ListeningPoint;
import javax.sip.RequestEvent;
import javax.sip.ResponseEvent;
import javax.sip.ServerTransaction;
import javax.sip.SipException;
import javax.sip.SipListener;
import javax.sip.SipProvider;
import javax.sip.SipStack;
import javax.sip.Transaction;
import javax.sip.TransactionAlreadyExistsException;
import javax.sip.TransactionTerminatedEvent;
import javax.sip.address.Address;
import javax.sip.address.AddressFactory;
import javax.sip.header.CSeqHeader;
import javax.sip.header.ContactHeader;
import javax.sip.header.ContentTypeHeader;
import javax.sip.header.HeaderFactory;
import javax.sip.header.ToHeader;
import javax.sip.message.MessageFactory;
import javax.sip.message.Request;
import javax.sip.message.Response;
import junit.framework.TestCase;
/**
* 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 extends TestCase implements SipListener {
static AddressFactory addressFactory;
static MessageFactory messageFactory;
static HeaderFactory headerFactory;
static SipStack sipStack;
static String transport;
protected static final String usageString =
"java "
+ "examples.shootist.Shootist \n"
+ ">>>> is your class path set to the root?";
private int terminationCount;
private int droppedCall;
public void processRequest(RequestEvent requestEvent) {
Request request = requestEvent.getRequest();
ServerTransaction serverTransactionId =
requestEvent.getServerTransaction();
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 " );
// maybe a late arriving ack.
if (serverTransaction == null) return;
Dialog dialog = serverTransaction.getDialog();
dialog = serverTransaction.getDialog();
Request byeRequest = dialog.createRequest(Request.BYE);
ClientTransaction tr =
sipProvider.getNewClientTransaction(byeRequest);
dialog.sendRequest(tr);
} catch (Exception ex) {
ex.printStackTrace();
fail("unexpected exception");
}
}
/** Process the invite request.
*/
public void processInvite(
RequestEvent requestEvent,
ServerTransaction serverTransaction) {
SipProvider sipProvider = (SipProvider) requestEvent.getSource();
Request request = requestEvent.getRequest();
try {
Response response = messageFactory.createResponse(180, request);
ToHeader toHeader = (ToHeader) response.getHeader(ToHeader.NAME);
String toTag = new Integer((int) (Math.random() * 1000)).toString();
toHeader.setTag(toTag); // Application is supposed to set.
//System.out.println("toTag = " + toTag);
Address address =
addressFactory.createAddress("Shootme <sip:127.0.0.1:5070;transport=" + transport + ">");
ContactHeader contactHeader =
headerFactory.createContactHeader(address);
response.addHeader(contactHeader);
ServerTransaction st = requestEvent.getServerTransaction();
if (st == null) {
try {
st = sipProvider.getNewServerTransaction(request);
} catch (TransactionAlreadyExistsException ex) {
System.out.println("Tx aready exists -- ignoring ");
return;
}
}
byte[] content = request.getRawContent();
if (content != null) {
ContentTypeHeader contentTypeHeader =
headerFactory.createContentTypeHeader("application", "sdp");
// System.out.println("response = " + response);
response.setContent(content, contentTypeHeader);
}
Dialog dialog = st.getDialog();
//System.out.println("dialog = " + dialog);
st.sendResponse(response);
response = messageFactory.createResponse(200, request);
toHeader = (ToHeader) response.getHeader(ToHeader.NAME);
toHeader.setTag(toTag); // Application is supposed to set.
response.addHeader(contactHeader);
st.sendResponse(response);
} catch (Exception ex) {
ex.printStackTrace();
fail("unexpected exception");
}
}
/** Process the bye request.
*/
public void processBye(
RequestEvent requestEvent,
ServerTransaction serverTransactionId) {
SipProvider sipProvider = (SipProvider) requestEvent.getSource();
System.out.println("sip provider = " + sipProvider);
Request request = requestEvent.getRequest();
try {
Response response =
messageFactory.createResponse(200, request, null, null);
serverTransactionId.sendResponse(response);
} catch (Exception ex) {
ex.printStackTrace();
fail("unexpected exception");
}
}
public void processResponse(ResponseEvent responseReceivedEvent) {
Response response = (Response) responseReceivedEvent.getResponse();
Transaction tid = responseReceivedEvent.getClientTransaction();
if (tid == null) {
System.out.println("Stray response -- dropping!");
return;
}
try {
if (response.getStatusCode() == Response.OK
&& ((CSeqHeader) response.getHeader(CSeqHeader.NAME))
.getMethod()
.equals(
Request.INVITE)) {
Dialog dialog = tid.getDialog();
// Save the tags for the dialog here.
Request request = tid.getRequest();
dialog.sendAck(request);
}
Dialog dialog = tid.getDialog();
assertTrue("Dialog should not be null",dialog != null);
//System.out.println("dialog = " + dialog);
} catch (SipException ex) {
ex.printStackTrace();
System.exit(0);
}
}
public void processTimeout(javax.sip.TimeoutEvent timeoutEvent) {
Transaction transaction;
Request request = null;
if (timeoutEvent.isServerTransaction()) {
transaction = timeoutEvent.getServerTransaction();
} else {
transaction = timeoutEvent.getClientTransaction();
request = ((ClientTransaction) transaction).getRequest();
}
/*
* System.out.println("request = " + request); 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"); System.out.println("Transaction " + transaction);
* System.out.println("request " + transaction.getRequest());
*/
this.droppedCall ++;
System.out.println("droped call " + this.droppedCall);
}
public SipProvider createSipProvider() throws Exception {
ListeningPoint listeningPoint = sipStack.createListeningPoint("127.0.0.1", 5070, transport);
SipProvider sipProvider = sipStack.createSipProvider(listeningPoint);
return sipProvider;
}
public void processIOException(IOExceptionEvent exceptionEvent) {
System.out.println("IOException occured while retransmitting requests:" + exceptionEvent);
}
public void processTransactionTerminated(TransactionTerminatedEvent transactionTerminatedEvent) {
//System.out.println("Transaction Terminated event: " + transactionTerminatedEvent );
}
public void processDialogTerminated(DialogTerminatedEvent dialogTerminatedEvent) {
//System.out.println("Dialog Terminated event: " + dialogTerminatedEvent);
this.terminationCount ++;
if (terminationCount %100 == 0 ) System.out.println("DialogTermination count = " + this.terminationCount);
}
public static void main(String args[]) throws Exception {
ProtocolObjects.init("shootme", true);
Shootme.addressFactory = ProtocolObjects.addressFactory;
Shootme.messageFactory = ProtocolObjects.messageFactory;
Shootme.headerFactory = ProtocolObjects.headerFactory;
Shootme.sipStack = ProtocolObjects.sipStack;
Shootme.transport = ProtocolObjects.transport;
Shootme shootme = new Shootme();
SipProvider sipProvider = shootme.createSipProvider();
sipProvider.addSipListener(shootme);
}
}