package examples.noautodialog;
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 Shootist implements SipListener {
private static SipProvider tcpProvider;
private static SipProvider udpProvider;
private static AddressFactory addressFactory;
private static MessageFactory messageFactory;
private static HeaderFactory headerFactory;
private static SipStack sipStack;
private ContactHeader contactHeader;
private ListeningPoint tcpListeningPoint;
private ListeningPoint udpListeningPoint;
private static String PEER_ADDRESS = Shootme.myAddress;
// To run on two machines change these to suit.
public static final String myAddress = "127.0.0.1";
private static final int myPort = 5060;
protected ClientTransaction inviteTid;
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);
}
private void shutDown() {
try {
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
}
System.out.println("nulling reference");
sipStack.deleteListeningPoint(tcpListeningPoint);
sipStack.deleteListeningPoint(udpListeningPoint);
// This will close down the stack and exit all threads
tcpProvider.removeSipListener(this);
udpProvider.removeSipListener(this);
while (true) {
try {
sipStack.deleteSipProvider(udpProvider);
sipStack.deleteSipProvider(tcpProvider);
break;
} catch (ObjectInUseException ex) {
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
continue;
}
}
}
sipStack.stop();
tcpProvider = null;
udpProvider = null;
this.inviteTid = null;
this.contactHeader = null;
addressFactory = null;
headerFactory = null;
messageFactory = null;
this.udpListeningPoint = null;
this.tcpListeningPoint = null;
this.init();
} catch (Exception ex) {
ex.printStackTrace();
}
}
public void processRequest(RequestEvent requestReceivedEvent) {
Request request = requestReceivedEvent.getRequest();
ServerTransaction serverTransactionId = requestReceivedEvent
.getServerTransaction();
System.out.println("\n\nRequest " + request.getMethod()
+ " received at " + sipStack.getStackName()
+ " with server transaction id " + serverTransactionId);
if (request.getMethod().equals(Request.BYE))
processBye((SipProvider) requestReceivedEvent.getSource(), request, serverTransactionId);
else if (request.getMethod().equals(Request.INVITE))
processInvite(request, serverTransactionId);
}
public void processInvite(Request request, ServerTransaction st) {
try {
Response response = messageFactory.createResponse(Response.OK,
request);
((ToHeader) response.getHeader(ToHeader.NAME))
.setTag(((ToHeader) request.getHeader(ToHeader.NAME))
.getTag());
Address address = addressFactory.createAddress("Shootme <sip:"
+ myAddress + ":" + myPort + ">");
ContactHeader contactHeader = headerFactory
.createContactHeader(address);
response.addHeader(contactHeader);
st.sendResponse(response);
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
public void sendBye(Dialog dialog) {
try {
Request bye = dialog.createRequest(Request.BYE);
SipProvider provider = udpProvider;
ClientTransaction ct = provider.getNewClientTransaction(bye);
dialog.sendRequest(ct);
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
public void processBye(SipProvider sipProvider, Request request,
ServerTransaction serverTransactionId) {
try {
System.out.println("shootist: got a bye .");
if (serverTransactionId == null) {
System.out.println("shootist: null TID.");
sipProvider.sendResponse(messageFactory.createResponse(200,request));
return;
}
Dialog dialog = serverTransactionId.getDialog();
System.out.println("Dialog State = " + dialog.getState());
Response response = messageFactory.createResponse(200, request);
serverTransactionId.sendResponse(response);
System.out.println("shootist: Sending OK.");
System.out.println("Dialog State = " + dialog.getState());
this.shutDown();
} 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();
CSeqHeader cseq = (CSeqHeader) response.getHeader(CSeqHeader.NAME);
System.out.println("Response received with client transaction id "
+ tid + ":\n" + response.getStatusCode());
if (tid == null) {
System.out.println("Stray response -- dropping ");
return;
}
System.out.println("transaction state is " + tid.getState());
System.out.println("Dialog = " + tid.getDialog());
System.out.println("Dialog State is " + tid.getDialog().getState());
try {
if (response.getStatusCode() == Response.OK
&& ((CSeqHeader) response.getHeader(CSeqHeader.NAME))
.getMethod().equals(Request.INVITE)) {
// Request cancel = inviteTid.createCancel();
// ClientTransaction ct =
// sipProvider.getNewClientTransaction(cancel);
Dialog dialog = tid.getDialog();
Request ackRequest = dialog.createAck( cseq.getSeqNumber() );
System.out.println("Sending ACK");
dialog.sendAck(ackRequest);
try {
Thread.sleep(100);
} catch (Exception ex) {
}
this.sendBye(dialog);
} else if (response.getStatusCode() == Response.OK
&& ((CSeqHeader) response.getHeader(CSeqHeader.NAME))
.getMethod().equals(Request.BYE)) {
this.shutDown();
}
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
public void processTimeout(javax.sip.TimeoutEvent timeoutEvent) {
System.out.println("Transaction Time out");
System.out.println("TimeoutEvent " + timeoutEvent.getTimeout());
}
public void init() {
SipFactory sipFactory = null;
sipStack = null;
sipFactory = SipFactory.getInstance();
sipFactory.setPathName("gov.nist");
Properties properties = new Properties();
// If you want to try TCP transport change the following to
String transport = "udp";
String peerHostPort = PEER_ADDRESS + ":5070";
// Turn off automatic dialog support.
properties.setProperty("javax.sip.AUTOMATIC_DIALOG_SUPPORT", "off");
properties.setProperty("javax.sip.STACK_NAME", "shootist");
// The following properties are specific to nist-sip
// and are not necessarily part of any other jain-sip
// implementation.
// You can set a max message size for tcp transport to
// guard against denial of service attack.
properties
.setProperty("gov.nist.javax.sip.MAX_MESSAGE_SIZE", "1048576");
properties.setProperty("gov.nist.javax.sip.DEBUG_LOG",
"shootistdebug.txt");
properties.setProperty("gov.nist.javax.sip.SERVER_LOG",
"shootistlog.txt");
// Drop the client connection after we are done with the transaction.
properties.setProperty("gov.nist.javax.sip.CACHE_CLIENT_CONNECTIONS",
"false");
// Set to 0 in your production code for max speed.
// 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");
try {
// Create SipStack object
sipStack = sipFactory.createSipStack(properties);
System.out.println("createSipStack " + sipStack);
} catch (PeerUnavailableException e) {
// could not find
// gov.nist.jain.protocol.ip.sip.SipStackImpl
// in the classpath
e.printStackTrace();
System.err.println(e.getMessage());
System.exit(0);
}
try {
headerFactory = sipFactory.createHeaderFactory();
addressFactory = sipFactory.createAddressFactory();
messageFactory = sipFactory.createMessageFactory();
udpListeningPoint = sipStack.createListeningPoint(myAddress,myPort, "udp");
udpProvider = sipStack.createSipProvider(udpListeningPoint);
Shootist listener = this;
udpProvider.addSipListener(listener);
tcpListeningPoint = sipStack.createListeningPoint(myAddress,myPort, "tcp");
tcpProvider = sipStack.createSipProvider(tcpListeningPoint);
tcpProvider.addSipListener(listener);
SipProvider sipProvider = transport.equalsIgnoreCase("udp") ? udpProvider
: tcpProvider;
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
SipURI requestURI = addressFactory.createSipURI(toUser,
peerHostPort);
// Create ViaHeaders
ArrayList viaHeaders = new ArrayList();
ViaHeader viaHeader = headerFactory.createViaHeader(myAddress, sipProvider.getListeningPoint("udp").getPort(),
transport, null);
// add via headers
viaHeaders.add(viaHeader);
// Create ContentTypeHeader
ContentTypeHeader contentTypeHeader = headerFactory
.createContentTypeHeader("application", "sdp");
// Create a new CallId header
CallIdHeader callIdHeader = sipProvider.getNewCallId();
// 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
String host = myAddress;
SipURI contactUrl = addressFactory.createSipURI(fromName, host);
contactUrl.setPort(tcpListeningPoint.getPort());
// Create the contact name address.
SipURI contactURI = addressFactory.createSipURI(fromName, host);
contactURI.setPort(sipProvider.getListeningPoint("udp").getPort());
Address contactAddress = addressFactory.createAddress(contactURI);
// Add the contact address.
contactAddress.setDisplayName(fromName);
contactHeader = headerFactory.createContactHeader(contactAddress);
request.addHeader(contactHeader);
// 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";
request.setContent(sdpData, 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.
listener.inviteTid = sipProvider.getNewClientTransaction(request);
// Need to create a dialog if you need one.
Dialog d = sipProvider.getNewDialog(inviteTid);
System.out.println("Created a dialog " + d);
// send the request out.
listener.inviteTid.sendRequest();
d = inviteTid.getDialog();
System.out.println("dialog = " + d);
} catch (Exception ex) {
System.out.println(ex.getMessage());
ex.printStackTrace();
usage();
}
}
public static void main(String args[]) {
new Shootist().init();
}
/*
* (non-Javadoc)
*
* @see javax.sip.SipListener#processIOException(javax.sip.IOExceptionEvent)
*/
public void processIOException(IOExceptionEvent exceptionEvent) {
System.out.println("IO Exception Event!");
}
/*
* (non-Javadoc)
*
* @see javax.sip.SipListener#processTransactionTerminated(javax.sip.TransactionTerminatedEvent)
*/
public void processTransactionTerminated(
TransactionTerminatedEvent transactionTerminatedEvent) {
System.out.println("Transaction Terminated Event!");
}
/*
* (non-Javadoc)
*
* @see javax.sip.SipListener#processDialogTerminated(javax.sip.DialogTerminatedEvent)
*/
public void processDialogTerminated(
DialogTerminatedEvent dialogTerminatedEvent) {
System.out.println("Dialog Terminated Event!");
}
}