examples.tls.Shootme Maven / Gradle / Ivy
package examples.tls;
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 Daniel Martinez
*/
public class Shootme implements SipListener {
private static AddressFactory addressFactory;
private static MessageFactory messageFactory;
private static HeaderFactory headerFactory;
private static SipStack sipStack;
private static final String myAddress = "127.0.0.1";
private static final int myPort = 5071;
protected ServerTransaction inviteTid;
Dialog dialog;
class ApplicationData {
protected int ackCount;
}
protected static final String usageString =
"java "
+ "examples.shootistTLS.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());
int ackCount =
((ApplicationData ) dialog.getApplicationData()).ackCount;
if (ackCount == 1) {
dialog = inviteTid.getDialog();
Request byeRequest = dialog.createRequest(Request.BYE);
ClientTransaction tr =
sipProvider.getNewClientTransaction(byeRequest);
System.out.println("shootme: got an ACK -- sending bye! ");
dialog.sendRequest(tr);
System.out.println("Dialog State = " + dialog.getState());
} else ((ApplicationData) dialog.getApplicationData()).ackCount ++;
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
/** Process the invite request.
*/
public void processInvite(
RequestEvent requestEvent,
ServerTransaction serverTransaction) {
SipProvider sipProvider = (SipProvider) requestEvent.getSource();
Request request = requestEvent.getRequest();
System.out.println("Got an INVITE " + request);
try {
System.out.println("shootme: got an Invite sending OK");
//System.out.println("shootme: " + request);
Response response = messageFactory.createResponse(180, request);
ToHeader toHeader = (ToHeader) response.getHeader(ToHeader.NAME);
toHeader.setTag("4321"); // Application is supposed to set.
Address address =
addressFactory.createAddress("Shootme "
/*+ ";transport=tls>"*/ );
ContactHeader contactHeader =
headerFactory.createContactHeader(address);
response.addHeader(contactHeader);
ServerTransaction st = requestEvent.getServerTransaction();
if (st == null) {
st = sipProvider.getNewServerTransaction(request);
if (st.getDialog().getApplicationData() == null) {
st.getDialog().setApplicationData(new ApplicationData());
}
} else {
System.out.println("This is a RE INVITE ");
if (st.getDialog() != dialog) {
System.out.println("Whoopsa Daisy Dialog Mismatch");
System.exit(0);
}
}
// Thread.sleep(5000);
System.out.println("got a server tranasaction " + st);
byte[] content = request.getRawContent();
if (content != null) {
ContentTypeHeader contentTypeHeader =
headerFactory.createContentTypeHeader("application", "sdp");
System.out.println("response = " + response);
response.setContent(content, contentTypeHeader);
}
dialog = st.getDialog();
if (dialog != null) {
System.out.println("Dialog " + dialog);
System.out.println("Dialog state " + dialog.getState());
}
st.sendResponse(response);
response = messageFactory.createResponse(200, request);
toHeader = (ToHeader) response.getHeader(ToHeader.NAME);
toHeader.setTag("4321"); // Application is supposed to set.
response.addHeader(contactHeader);
st.sendResponse(response);
this.inviteTid = st;
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
/** Process the bye request.
*/
public void processBye(
RequestEvent requestEvent,
ServerTransaction serverTransactionId) {
// SipProvider sipProvider = (SipProvider) requestEvent.getSource();
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)) {
if (tid != this.inviteTid) {
new Exception().printStackTrace();
System.exit(0);
}
Dialog dialog = tid.getDialog();
// Save the tags for the dialog here.
Request request = tid.getRequest();
dialog.sendAck(request);
}
Dialog dialog = tid.getDialog();
System.out.println("Dalog State = " + dialog.getState());
} 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");
}
public void init() {
SipFactory sipFactory = null;
sipStack = null;
sipFactory = SipFactory.getInstance();
sipFactory.setPathName("gov.nist");
Properties properties = new Properties();
//ifdef SIMULATION
/*
properties.setProperty("javax.sip.IP_ADDRESS","129.6.55.62");
//else
*/
properties.setProperty("javax.sip.IP_ADDRESS", myAddress );
//endif
//
properties.setProperty("javax.sip.RETRANSMISSION_FILTER", "true");
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", "16");
properties.setProperty(
"gov.nist.javax.sip.DEBUG_LOG",
"shootmedebug.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 lpTLS = sipStack.createListeningPoint(sipStack.getIPAddress(), myPort, "tcp");
Shootme listener = this;
SipProvider sipProvider = sipStack.createSipProvider(lpTLS);
System.out.println("tls provider " + sipProvider);
sipProvider.addSipListener(listener);
} catch (Exception ex) {
System.out.println(ex.getMessage());
ex.printStackTrace();
usage();
}
}
public static void main(String args[]) {
new Shootme().init();
}
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);
}
}
/*
* $Log: Shootme.java,v $
* Revision 1.7 2008/01/24 21:20:44 jbemmel
* call createAck instead of createRequest(ACK)
*
* Revision 1.6 2007/02/12 19:45:45 jbemmel
* use sips
*
* Revision 1.5 2006/12/13 15:15:28 mranga
* Issue number: 90
* Obtained from:
* Submitted by: Zohair
* Reviewed by: mranga
*
* Fixed transport = tls in the example.
* CVS: ----------------------------------------------------------------------
* CVS: Issue number:
* CVS: If this change addresses one or more issues,
* CVS: then enter the issue number(s) here.
* CVS: Obtained from:
* CVS: If this change has been taken from another system,
* CVS: then name the system in this line, otherwise delete it.
* CVS: Submitted by:
* CVS: If this code has been contributed to the project by someone else; i.e.,
* CVS: they sent us a patch or a set of diffs, then include their name/email
* CVS: address here. If this is your work then delete this line.
* CVS: Reviewed by:
* CVS: If we are doing pre-commit code reviews and someone else has
* CVS: reviewed your changes, include their name(s) here.
* CVS: If you have not had it reviewed then delete this line.
*
* Revision 1.4 2006/07/13 09:02:54 mranga
* Issue number:
* Obtained from:
* Submitted by: jeroen van bemmel
* Reviewed by: mranga
* Moved some changes from jain-sip-1.2 to java.net
*
* CVS: ----------------------------------------------------------------------
* CVS: Issue number:
* CVS: If this change addresses one or more issues,
* CVS: then enter the issue number(s) here.
* CVS: Obtained from:
* CVS: If this change has been taken from another system,
* CVS: then name the system in this line, otherwise delete it.
* CVS: Submitted by:
* CVS: If this code has been contributed to the project by someone else; i.e.,
* CVS: they sent us a patch or a set of diffs, then include their name/email
* CVS: address here. If this is your work then delete this line.
* CVS: Reviewed by:
* CVS: If we are doing pre-commit code reviews and someone else has
* CVS: reviewed your changes, include their name(s) here.
* CVS: If you have not had it reviewed then delete this line.
*
* Revision 1.2 2006/01/16 21:36:07 ivelin
* cleaned up usage of deprecated APIs, fixed some script paths and stale imports
*
* Revision 1.1.1.1 2005/10/04 17:12:33 mranga
*
* Import
*
*
* Revision 1.1 2004/11/24 21:00:38 mranga
*
* Added
*
* Revision 1.20 2004/09/26 14:48:01 mranga
* Submitted by: John Martin
* Reviewed by: mranga
*
* Remove unnecssary synchronization.
*
* Revision 1.19 2004/06/16 02:53:17 mranga
* Submitted by: mranga
* Reviewed by: implement re-entrant multithreaded listener model.
*
* Revision 1.18 2004/06/15 09:54:39 mranga
* Reviewed by: mranga
* re-entrant listener model added.
* (see configuration property gov.nist.javax.sip.REENTRANT_LISTENER)
*
* Revision 1.17 2004/05/16 14:13:20 mranga
* Reviewed by: mranga
* Fixed the use-count issue reported by Peter Parnes.
* Added property to prevent against content-length dos attacks.
*
* Revision 1.16 2004/04/07 13:46:30 mranga
* Reviewed by: mranga
* move processing of delayed responses outside the synchronized block.
*
* Revision 1.15 2004/04/07 00:19:22 mranga
* Reviewed by: mranga
* Fixes a potential race condition for client transactions.
* Handle re-invites statefully within an established dialog.
*
* Revision 1.14 2004/03/30 18:10:53 mranga
* Reviewed by: mranga
* added code to demonstrate cleanup
*
* Revision 1.13 2004/03/12 21:53:08 mranga
* Reviewed by: mranga
* moved some comments around for ifdef support.
*
* Revision 1.12 2004/03/07 22:25:22 mranga
* Reviewed by: mranga
* Added a new configuration parameter that instructs the stack to
* drop a server connection after server transaction termination
* set gov.nist.javax.sip.CACHE_SERVER_CONNECTIONS=false for this
* Default behavior is true.
*
* Revision 1.11 2004/03/05 20:36:54 mranga
* Reviewed by: mranga
* put in some debug printfs and cleaned some things up.
*
* Revision 1.10 2004/02/26 14:28:50 mranga
* Reviewed by: mranga
* Moved some code around (no functional change) so that dialog state is set
* when the transaction is added to the dialog.
* Cleaned up the Shootist example a bit.
*
* Revision 1.9 2004/02/13 13:55:31 mranga
* Reviewed by: mranga
* per the spec, Transactions must always have a valid dialog pointer. Assigned a dummy dialog for transactions that are not assigned to any dialog (such as Message).
*
* Revision 1.8 2004/01/22 13:26:27 sverker
* Issue number:
* Obtained from:
* Submitted by: sverker
* Reviewed by: mranga
*
* Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
*
* CVS: ----------------------------------------------------------------------
* CVS: Issue number:
* CVS: If this change addresses one or more issues,
* CVS: then enter the issue number(s) here.
* CVS: Obtained from:
* CVS: If this change has been taken from another system,
* CVS: then name the system in this line, otherwise delete it.
* CVS: Submitted by:
* CVS: If this code has been contributed to the project by someone else; i.e.,
* CVS: they sent us a patch or a set of diffs, then include their name/email
* CVS: address here. If this is your work then delete this line.
* CVS: Reviewed by:
* CVS: If we are doing pre-commit code reviews and someone else has
* CVS: reviewed your changes, include their name(s) here.
* CVS: If you have not had it reviewed then delete this line.
*
*/
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