package test.unit.gov.nist.javax.sip.stack.forkedinvite;
import gov.nist.javax.sip.SipStackImpl;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Properties;
import java.util.Timer;
import java.util.TimerTask;
import javax.sip.ClientTransaction;
import javax.sip.Dialog;
import javax.sip.DialogState;
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.SipFactory;
import javax.sip.SipListener;
import javax.sip.SipProvider;
import javax.sip.SipStack;
import javax.sip.TransactionTerminatedEvent;
import javax.sip.address.Address;
import javax.sip.address.AddressFactory;
import javax.sip.address.SipURI;
import javax.sip.header.CSeqHeader;
import javax.sip.header.CallIdHeader;
import javax.sip.header.ContactHeader;
import javax.sip.header.ContentTypeHeader;
import javax.sip.header.FromHeader;
import javax.sip.header.Header;
import javax.sip.header.HeaderFactory;
import javax.sip.header.MaxForwardsHeader;
import javax.sip.header.RouteHeader;
import javax.sip.header.ToHeader;
import javax.sip.header.ViaHeader;
import javax.sip.message.MessageFactory;
import javax.sip.message.Request;
import javax.sip.message.Response;
import junit.framework.TestCase;
import org.apache.log4j.Logger;
/**
* 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 Shootist implements SipListener {
private ContactHeader contactHeader;
private ClientTransaction inviteTid;
private SipProvider sipProvider;
private String host = "127.0.0.1";
private int port;
private String peerHost = "127.0.0.1";
private int peerPort;
private ListeningPoint listeningPoint;
private static String unexpectedException = "Unexpected exception ";
private static Logger logger = Logger.getLogger(Shootist.class);
private Dialog originalDialog;
private HashSet<Dialog> forkedDialogs = new HashSet<Dialog>();
private Dialog ackedDialog;
private SipStack sipStack;
private HashSet<Dialog> canceledDialog = new HashSet<Dialog>();
private boolean byeResponseSeen;
private int counter;
private static HeaderFactory headerFactory;
private static MessageFactory messageFactory;
private static AddressFactory addressFactory;
private static final String transport = "udp";
static boolean callerSendsBye = true;
private boolean byeSent;
private Timer timer = new Timer();
class SendBye extends TimerTask {
private Dialog dialog;
public SendBye(Dialog dialog ) {
this.dialog = dialog;
}
@Override
public void run() {
try {
TestCase.assertEquals ("Dialog state must be confirmed",
DialogState.CONFIRMED,dialog.getState());
Request byeRequest = dialog.createRequest(Request.BYE);
ClientTransaction ctx = sipProvider.getNewClientTransaction(byeRequest);
dialog.sendRequest(ctx);
} catch (Exception ex) {
TestCase.fail("Unexpected exception");
}
}
}
public Shootist(int myPort, int proxyPort) {
this.port = myPort;
SipObjects sipObjects = new SipObjects(myPort, "shootist","on");
addressFactory = sipObjects.addressFactory;
messageFactory = sipObjects.messageFactory;
headerFactory = sipObjects.headerFactory;
this.sipStack = sipObjects.sipStack;
this.peerPort = proxyPort;
}
public void processRequest(RequestEvent requestReceivedEvent) {
Request request = requestReceivedEvent.getRequest();
ServerTransaction serverTransactionId = requestReceivedEvent
.getServerTransaction();
logger.info("\n\nRequest " + request.getMethod() + " received at "
+ sipStack.getStackName()
+ " with server transaction id " + serverTransactionId);
// We are the UAC so the only request we get is the BYE.
if (request.getMethod().equals(Request.BYE))
processBye(request, serverTransactionId);
else
TestCase.fail("Unexpected request ! : " + request);
}
public void processBye(Request request,
ServerTransaction serverTransactionId) {
try {
logger.info("shootist: got a bye .");
if (serverTransactionId == null) {
logger.info("shootist: null TID.");
return;
}
Dialog dialog = serverTransactionId.getDialog();
logger.info("Dialog State = " + dialog.getState());
Response response = messageFactory.createResponse(
200, request);
serverTransactionId.sendResponse(response);
logger.info("shootist: Sending OK.");
logger.info("Dialog State = " + dialog.getState());
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
public synchronized void processResponse(ResponseEvent responseReceivedEvent) {
logger.info("Got a response");
Response response = (Response) responseReceivedEvent.getResponse();
ClientTransaction tid = responseReceivedEvent.getClientTransaction();
CSeqHeader cseq = (CSeqHeader) response.getHeader(CSeqHeader.NAME);
logger.info("Response received : Status Code = "
+ response.getStatusCode() + " " + cseq);
logger.info("Response = " + response + " class=" + response.getClass() );
Dialog dialog = responseReceivedEvent.getDialog();
TestCase.assertNotNull( dialog );
if (tid != null)
logger.info("transaction state is " + tid.getState());
else
logger.info("transaction = " + tid);
logger.info("Dialog = " + dialog);
logger.info("Dialog state is " + dialog.getState());
try {
if (response.getStatusCode() == Response.OK) {
if (cseq.getMethod().equals(Request.INVITE)) {
TestCase.assertEquals( DialogState.CONFIRMED, dialog.getState() );
Request ackRequest = dialog.createAck(cseq
.getSeqNumber());
TestCase.assertNotNull( ackRequest.getHeader( MaxForwardsHeader.NAME ) );
if ( dialog == this.ackedDialog ) {
dialog.sendAck(ackRequest);
return;
}
// Proxy will fork. I will accept the first dialog.
this.forkedDialogs.add(dialog);
if ( responseReceivedEvent.getClientTransaction() != null ) {
logger.info("Sending ACK");
dialog.sendAck(ackRequest);
TestCase.assertTrue(
"Dialog state should be CONFIRMED", dialog
.getState() == DialogState.CONFIRMED);
TestCase.assertTrue(this.ackedDialog == null ||
this.ackedDialog == dialog);
this.ackedDialog = dialog;
if ( callerSendsBye ) {
timer.schedule( new SendBye(ackedDialog), 4000 );
}
} else {
this.canceledDialog.add(dialog);
// Send ACK to quench re-transmission
sipProvider.sendRequest(ackRequest);
// Kill the second dialog by sending a bye.
SipProvider sipProvider = (SipProvider) responseReceivedEvent
.getSource();
Request byeRequest = dialog.createRequest(Request.BYE);
ClientTransaction ct = sipProvider
.getNewClientTransaction(byeRequest);
dialog.sendRequest(ct);
}
} else if ( cseq.getMethod().equals(Request.BYE)) {
if ( dialog == this.ackedDialog) {
this.byeResponseSeen = true;
}
} else {
logger.info("Response method = " + cseq.getMethod());
}
} else if ( response.getStatusCode() == Response.RINGING ) {
//TestHarness.assertEquals( DialogState.EARLY, dialog.getState() );
}
} catch (Throwable ex) {
ex.printStackTrace();
// System.exit(0);
}
}
public SipProvider createSipProvider() {
try {
listeningPoint = sipStack.createListeningPoint(
host, port, "udp");
logger.info("listening point = " + host + " port = " + port);
logger.info("listening point = " + listeningPoint);
sipProvider = sipStack
.createSipProvider(listeningPoint);
return sipProvider;
} catch (Exception ex) {
logger.error(unexpectedException, ex);
TestCase.fail(unexpectedException);
return null;
}
}
public void checkState() {
TestCase.assertEquals("Should see " + this.counter + " distinct dialogs",
counter,this.forkedDialogs.size());
TestCase.assertTrue(
"Should see the original (default) dialog in the forked set",
this.forkedDialogs.contains(this.originalDialog));
TestCase.assertTrue("Should see BYE response for ACKED Dialog",this.byeResponseSeen);
// cleanup
forkedDialogs.clear();
}
public void processTimeout(javax.sip.TimeoutEvent timeoutEvent) {
logger.info("Transaction Time out");
}
public void sendInvite(int forkCount) {
try {
this.counter = forkCount;
String fromName = "BigGuy";
String fromSipAddress = "here.com";
String fromDisplayName = "The Master Blaster";
String toSipAddress = "there.com";
String toUser = "LittleGuy";
String toDisplayName = "The Little Blister";
// create >From Header
SipURI fromAddress = addressFactory.createSipURI(
fromName, fromSipAddress);
Address fromNameAddress = addressFactory
.createAddress(fromAddress);
fromNameAddress.setDisplayName(fromDisplayName);
FromHeader fromHeader = headerFactory
.createFromHeader(fromNameAddress, "12345");
// create To Header
SipURI toAddress = addressFactory.createSipURI(
toUser, toSipAddress);
Address toNameAddress = addressFactory
.createAddress(toAddress);
toNameAddress.setDisplayName(toDisplayName);
ToHeader toHeader = headerFactory.createToHeader(
toNameAddress, null);
// create Request URI
String peerHostPort = peerHost + ":" + peerPort;
SipURI requestURI = addressFactory.createSipURI(
toUser, peerHostPort);
// Create ViaHeaders
ArrayList viaHeaders = new ArrayList();
ViaHeader viaHeader = headerFactory
.createViaHeader(host, sipProvider.getListeningPoint(
transport).getPort(),
transport, null);
// add via headers
viaHeaders.add(viaHeader);
SipURI sipuri = addressFactory.createSipURI(null,
host);
sipuri.setPort(peerPort);
sipuri.setLrParam();
RouteHeader routeHeader = headerFactory
.createRouteHeader(addressFactory
.createAddress(sipuri));
// Create ContentTypeHeader
ContentTypeHeader contentTypeHeader = headerFactory
.createContentTypeHeader("application", "sdp");
// Create a new CallId header
CallIdHeader callIdHeader = sipProvider.getNewCallId();
// JvB: Make sure that the implementation matches the messagefactory
callIdHeader = headerFactory
.createCallIdHeader(callIdHeader.getCallId());
// Create a new Cseq header
CSeqHeader cSeqHeader = headerFactory
.createCSeqHeader(1L, Request.INVITE);
// Create a new MaxForwardsHeader
MaxForwardsHeader maxForwards = headerFactory
.createMaxForwardsHeader(70);
// Create the request.
Request request = messageFactory.createRequest(
requestURI, Request.INVITE, callIdHeader, cSeqHeader,
fromHeader, toHeader, viaHeaders, maxForwards);
// Create contact headers
SipURI contactUrl = addressFactory.createSipURI(
fromName, host);
contactUrl.setPort(listeningPoint.getPort());
// Create the contact name address.
SipURI contactURI = addressFactory.createSipURI(
fromName, host);
contactURI.setPort(sipProvider.getListeningPoint(
transport).getPort());
contactURI.setTransportParam(transport);
Address contactAddress = addressFactory
.createAddress(contactURI);
// Add the contact address.
contactAddress.setDisplayName(fromName);
contactHeader = headerFactory
.createContactHeader(contactAddress);
request.addHeader(contactHeader);
// Dont use the Outbound Proxy. Use Lr instead.
request.setHeader(routeHeader);
// Add the extension header.
Header extensionHeader = headerFactory
.createHeader("My-Header", "my header value");
request.addHeader(extensionHeader);
String sdpData = "v=0\r\n"
+ "o=4855 13760799956958020 13760799956958020"
+ " IN IP4 129.6.55.78\r\n" + "s=mysession session\r\n"
+ "p=+46 8 52018010\r\n" + "c=IN IP4 129.6.55.78\r\n"
+ "t=0 0\r\n" + "m=audio 6022 RTP/AVP 0 4 18\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n" + "a=rtpmap:4 G723/8000\r\n"
+ "a=rtpmap:18 G729A/8000\r\n" + "a=ptime:20\r\n";
byte[] contents = sdpData.getBytes();
request.setContent(contents, contentTypeHeader);
extensionHeader = headerFactory.createHeader(
"My-Other-Header", "my new header value ");
request.addHeader(extensionHeader);
Header callInfoHeader = headerFactory.createHeader(
"Call-Info", "<http://www.antd.nist.gov>");
request.addHeader(callInfoHeader);
// Create the client transaction.
inviteTid = sipProvider.getNewClientTransaction(request);
Dialog dialog = inviteTid.getDialog();
TestCase.assertTrue("Initial dialog state should be null",
dialog.getState() == null);
// send the request out.
inviteTid.sendRequest();
this.originalDialog = dialog;
} catch (Exception ex) {
logger.error(unexpectedException, ex);
TestCase.fail(unexpectedException);
}
}
public void processIOException(IOExceptionEvent exceptionEvent) {
logger.error("IOException happened for " + exceptionEvent.getHost()
+ " port = " + exceptionEvent.getPort());
TestCase.fail("Unexpected exception");
}
public void processTransactionTerminated(
TransactionTerminatedEvent transactionTerminatedEvent) {
logger.info("Transaction terminated event recieved");
}
public void processDialogTerminated(
DialogTerminatedEvent dialogTerminatedEvent) {
TestCase.assertTrue("DTE dialog must be one of those we canceled",
this.canceledDialog.contains((Dialog)dialogTerminatedEvent.getDialog() ));
}
public void stop() {
this.sipStack.stop();
}
}