package test.unit.gov.nist.javax.sip.stack.dialog.b2bua;
import gov.nist.javax.sip.SipStackImpl;
import java.util.Hashtable;
import java.util.Properties;
import java.util.Random;
import java.util.Timer;
import java.util.TimerTask;
import java.util.TooManyListenersException;
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.Transaction;
import javax.sip.TransactionState;
import javax.sip.TransactionTerminatedEvent;
import javax.sip.address.Address;
import javax.sip.address.AddressFactory;
import javax.sip.header.ContactHeader;
import javax.sip.header.HeaderFactory;
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;
import test.tck.msgflow.callflows.ProtocolObjects;
/**
* 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 final String myAddress = "127.0.0.1";
private Hashtable serverTxTable = new Hashtable();
private SipProvider sipProvider;
private int myPort ;
private static String unexpectedException = "Unexpected exception ";
private static Logger logger = Logger.getLogger(Shootme.class);
private boolean inviteSeen;
private boolean byeSeen;
private boolean ackSeen;
private SipStack sipStack;
private int delay;
private int ringingDelay;
private boolean sendRinging;
private static AddressFactory addressFactory;
private static MessageFactory messageFactory;
private static HeaderFactory headerFactory;
private static final String transport = "tcp";
private static Timer timer = new Timer();
class MyTimerTask extends TimerTask {
RequestEvent requestEvent;
String toTag;
ServerTransaction serverTx;
public MyTimerTask(RequestEvent requestEvent, ServerTransaction tx, String toTag) {
logger.info("MyTimerTask ");
this.requestEvent = requestEvent;
this.toTag = toTag;
this.serverTx = tx;
}
public void run() {
sendInviteOK(requestEvent,serverTx,toTag);
}
}
public void processRequest(RequestEvent requestEvent) {
Request request = requestEvent.getRequest();
ServerTransaction serverTransactionId = requestEvent
.getServerTransaction();
logger.info("\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);
} else if (request.getMethod().equals(Request.CANCEL)) {
processCancel(requestEvent, serverTransactionId);
}
}
public void processResponse(ResponseEvent responseEvent) {
}
/**
* Process the ACK request. Send the bye and complete the call flow.
*/
public void processAck(RequestEvent requestEvent,
ServerTransaction serverTransaction) {
logger.info("shootme: got an ACK! ");
logger.info("Dialog = " + requestEvent.getDialog());
logger.info("Dialog State = " + requestEvent.getDialog().getState());
this.ackSeen = true;
}
/**
* Process the invite request.
*/
public void processInvite(RequestEvent requestEvent,
ServerTransaction serverTransaction) {
SipProvider sipProvider = (SipProvider) requestEvent.getSource();
Request request = requestEvent.getRequest();
try {
logger.info("shootme: got an Invite sending Trying");
// logger.info("shootme: " + request);
ServerTransaction st = requestEvent.getServerTransaction();
if (st == null) {
logger.info("null server tx -- getting a new one");
st = sipProvider.getNewServerTransaction(request);
}
logger.info("getNewServerTransaction : " + st);
String txId = ((ViaHeader)request.getHeader(ViaHeader.NAME)).getBranch();
this.serverTxTable.put(txId, st);
// Create the 100 Trying response.
Response response = messageFactory.createResponse(Response.TRYING,
request);
ListeningPoint lp = sipProvider.getListeningPoint(transport);
int myPort = lp.getPort();
Address address = addressFactory.createAddress("Shootme <sip:"
+ myAddress + ":" + myPort + ">");
// Add a random sleep to stagger the two OK's for the benifit of implementations
// that may not be too good about handling re-entrancy.
int timeToSleep = (int) ( Math.random() * 1000);
Thread.sleep(timeToSleep);
st.sendResponse(response);
Response ringingResponse = messageFactory.createResponse(Response.RINGING,
request);
ContactHeader contactHeader = headerFactory.createContactHeader(address);
response.addHeader(contactHeader);
ToHeader toHeader = (ToHeader) ringingResponse.getHeader(ToHeader.NAME);
String toTag = new Integer(new Random().nextInt()).toString();
toHeader.setTag(toTag);
if ( sendRinging ) {
ringingResponse.addHeader(contactHeader);
st.sendResponse(ringingResponse);
}
Dialog dialog = st.getDialog();
dialog.setApplicationData(st);
this.inviteSeen = true;
timer.schedule(new MyTimerTask(requestEvent,st,toTag), this.delay);
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
private void sendInviteOK(RequestEvent requestEvent, ServerTransaction inviteTid, String toTag) {
try {
logger.info("sendInviteOK: " + inviteTid);
if (inviteTid.getState() != TransactionState.COMPLETED) {
logger.info("shootme: Dialog state before OK: "
+ inviteTid.getDialog().getState());
SipProvider sipProvider = (SipProvider) requestEvent.getSource();
Request request = requestEvent.getRequest();
Response okResponse = messageFactory.createResponse(Response.OK,
request);
ListeningPoint lp = sipProvider.getListeningPoint(transport);
int myPort = lp.getPort();
((ToHeader)okResponse.getHeader(ToHeader.NAME)).setTag(toTag);
Address address = addressFactory.createAddress("Shootme <sip:"
+ myAddress + ":" + myPort + ">");
ContactHeader contactHeader = headerFactory
.createContactHeader(address);
okResponse.addHeader(contactHeader);
inviteTid.sendResponse(okResponse);
logger.info("shootme: Dialog state after OK: "
+ inviteTid.getDialog().getState());
TestCase.assertEquals( DialogState.CONFIRMED , inviteTid.getDialog().getState() );
} else {
logger.info("semdInviteOK: inviteTid = " + inviteTid + " state = " + inviteTid.getState());
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
/**
* Process the bye request.
*/
public void processBye(RequestEvent requestEvent,
ServerTransaction serverTransactionId) {
Request request = requestEvent.getRequest();
try {
logger.info("shootme: got a bye sending OK.");
logger.info("shootme: dialog = " + requestEvent.getDialog());
logger.info("shootme: dialogState = " + requestEvent.getDialog().getState());
Response response = messageFactory.createResponse(200, request);
if ( serverTransactionId != null) {
serverTransactionId.sendResponse(response);
}
logger.info("shootme: dialogState = " + requestEvent.getDialog().getState());
this.byeSeen = true;
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
public void processCancel(RequestEvent requestEvent,
ServerTransaction serverTransactionId) {
Request request = requestEvent.getRequest();
SipProvider sipProvider = (SipProvider)requestEvent.getSource();
try {
logger.info("shootme: got a cancel. " );
// Because this is not an In-dialog request, you will get a null server Tx id here.
if (serverTransactionId == null) {
serverTransactionId = sipProvider.getNewServerTransaction(request);
}
Response response = messageFactory.createResponse(200, request);
serverTransactionId.sendResponse(response);
String serverTxId = ((ViaHeader)response.getHeader(ViaHeader.NAME)).getBranch();
ServerTransaction serverTx = (ServerTransaction) this.serverTxTable.get(serverTxId);
if ( serverTx != null && (serverTx.getState().equals(TransactionState.TRYING) ||
serverTx.getState().equals(TransactionState.PROCEEDING))) {
Request originalRequest = serverTx.getRequest();
Response resp = messageFactory.createResponse(Response.REQUEST_TERMINATED,originalRequest);
serverTx.sendResponse(resp);
}
} 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();
}
logger.info("state = " + transaction.getState());
logger.info("dialog = " + transaction.getDialog());
logger.info("dialogState = "
+ transaction.getDialog().getState());
logger.info("Transaction Time out");
}
public SipProvider createProvider() {
try {
ListeningPoint lp = sipStack.createListeningPoint(myAddress,
myPort, transport);
sipProvider = sipStack.createSipProvider(lp);
logger.info("provider " + sipProvider);
logger.info("sipStack = " + sipStack);
return sipProvider;
} catch (Exception ex) {
logger.error(ex);
TestCase.fail(unexpectedException);
return null;
}
}
public Shootme( int myPort, boolean sendRinging, int delay ) throws TooManyListenersException {
this.myPort = myPort;
this.delay = delay;
this.sendRinging = sendRinging;
ProtocolObjects sipObjects = new ProtocolObjects("shootme","gov.nist","tcp",true,false);
addressFactory = sipObjects.addressFactory;
messageFactory = sipObjects.messageFactory;
headerFactory = sipObjects.headerFactory;
this.sipStack = sipObjects.sipStack;
this.createProvider();
this.sipProvider.addSipListener(this);
}
public void processIOException(IOExceptionEvent exceptionEvent) {
logger.info("IOException");
}
public void processTransactionTerminated(
TransactionTerminatedEvent transactionTerminatedEvent) {
logger.info("Transaction terminated event recieved");
}
public void processDialogTerminated(
DialogTerminatedEvent dialogTerminatedEvent) {
logger.info("Dialog terminated event recieved");
}
public void checkState() {
TestCase.assertTrue("Should see invite", inviteSeen);
TestCase.assertTrue("Should see BYE",byeSeen );
}
public boolean checkBye() {
return this.byeSeen;
}
public void stop() {
this.sipStack.stop();
}
/**
* @return the ackSeen
*
* Exactly one Dialog must get an ACK.
*/
public boolean isAckSeen() {
return ackSeen;
}
}