/*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.mobicents.servlet.sip.testsuite.proxy;
import java.text.ParseException;
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.InvalidArgumentException;
import javax.sip.ListeningPoint;
import javax.sip.ObjectInUseException;
import javax.sip.PeerUnavailableException;
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.address.URI;
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.RecordRouteHeader;
import javax.sip.header.RequireHeader;
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 org.apache.log4j.Logger;
public class Shootist implements SipListener {
private static transient Logger logger = Logger.getLogger(Shootist.class);
private static SipProvider sipProvider;
private static AddressFactory addressFactory;
private static MessageFactory messageFactory;
private static HeaderFactory headerFactory;
private SipStack sipStack;
private ContactHeader contactHeader;
private ListeningPoint udpListeningPoint;
private ClientTransaction inviteTid;
private Dialog dialog;
private boolean byeTaskRunning;
public boolean ended = false;
public boolean usePrack = false;
public boolean prackOkReceived = false;
public boolean okToInviteRecevied = false;
int count = 0;
private boolean forkingProxy = false;
private boolean outboundProxy = true;
public String requestMethod;
public Request request;
public Response lastResponse;
class ByeTask extends TimerTask {
Dialog dialog;
public ByeTask(Dialog dialog) {
this.dialog = dialog;
}
public void run () {
try {
Request byeRequest = this.dialog.createRequest(Request.BYE);
ClientTransaction ct = sipProvider.getNewClientTransaction(byeRequest);
dialog.sendRequest(ct);
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
}
private static final String usageString = "java "
+ "examples.shootist.Shootist \n"
+ ">>>> is your class path set to the root?";
public Shootist(boolean forkingProxy) {
this.forkingProxy = forkingProxy;
}
private static void usage() {
System.out.println(usageString);
System.exit(0);
}
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);
// We are the UAC so the only request we get is the BYE.
if (request.getMethod().equals(Request.BYE))
processBye(request, serverTransactionId);
else {
try {
serverTransactionId.sendResponse( messageFactory.createResponse(202,request) );
} catch (SipException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvalidArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
public void processBye(Request request,
ServerTransaction serverTransactionId) {
try {
System.out.println("shootist: got a bye .");
if (serverTransactionId == null) {
System.out.println("shootist: null TID.");
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());
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
// Save the created ACK request, to respond to retransmitted 2xx
private Request ackRequest;
public void processResponse(ResponseEvent responseReceivedEvent) {
System.out.println("Got a response");
Response response = (Response) responseReceivedEvent.getResponse();
this.lastResponse = response;
ClientTransaction tid = responseReceivedEvent.getClientTransaction();
CSeqHeader cseq = (CSeqHeader) response.getHeader(CSeqHeader.NAME);
Dialog dialog = responseReceivedEvent.getDialog();
System.out.println("Response received : Status Code = "
+ response.getStatusCode() + " " + cseq);
SipURI fromUri = (SipURI)((FromHeader)response.getHeader(FromHeader.NAME)).getAddress().getURI();
RecordRouteHeader recordRouteHeader = (RecordRouteHeader)response.getHeader(RecordRouteHeader.NAME);
if(response.getStatusCode() > 100 && fromUri.getUser().equals("nonRecordRouting") && recordRouteHeader != null) {
logger.error("the proxy is non record routing and we received a record route header in the response !");
return;
}
if (tid == null) {
// RFC3261: MUST respond to every 2xx
if (ackRequest!=null && dialog!=null) {
System.out.println("re-sending ACK");
try {
dialog.sendAck(ackRequest);
} catch (SipException se) {
se.printStackTrace();
}
}
return;
}
// If the caller is supposed to send the bye
if ( !byeTaskRunning && dialog != null) {
byeTaskRunning = true;
if(!response.getHeader("From").toString().contains("sequential")) {
new Timer().schedule(new ByeTask(dialog), 4000) ;
}
}
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) {
if (cseq.getMethod().equals(Request.INVITE)) {
ackRequest = dialog.createAck(cseq.getSeqNumber());
if(forkingProxy) {
logger.info("dialog = " + dialog);
// Proxy will fork. I will accept the second dialog
// but not the first.
logger.info("count = " + count);
// if (count == 1) {
//assertTrue(dialog != this.dialog);
logger.info("Sending ACK");
dialog.sendAck(ackRequest);
// } else {
// // Kill the first dialog by sending a bye.
// //assertTrue (dialog == this.dialog);
// count++;
// logger.info("count = " + count);
// dialog.sendAck(ackRequest);
// SipProvider sipProvider = (SipProvider) responseReceivedEvent.getSource();
// Request byeRequest = dialog.createRequest(Request.BYE);
// ClientTransaction ct = sipProvider.getNewClientTransaction(byeRequest);
// dialog.sendRequest(ct);
// }
} else {
System.out.println("Dialog after 200 OK " + dialog);
System.out.println("Dialog State after 200 OK " + dialog.getState());
System.out.println("Sending ACK");
dialog.sendAck(ackRequest);
try {
Thread.sleep(2000);
Request byeRequest = dialog.createRequest(Request.BYE);
ClientTransaction ct = sipProvider.getNewClientTransaction(byeRequest);
dialog.sendRequest(ct);
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
okToInviteRecevied = true;
} else if (cseq.getMethod().equals(Request.CANCEL)) {
if (dialog.getState() == DialogState.CONFIRMED) {
// oops cancel went in too late. Need to hang up the
// dialog.
System.out
.println("Sending BYE -- cancel went in too late !!");
Request byeRequest = dialog.createRequest(Request.BYE);
ClientTransaction ct = sipProvider
.getNewClientTransaction(byeRequest);
dialog.sendRequest(ct);
}
} else if(cseq.getMethod().equals(Request.BYE)) {
ended = true;
} else if(cseq.getMethod().equals(Request.PRACK)) {
prackOkReceived = true;
}
} else if(response.getStatusCode() == 180) {
if(usePrack) {
Request prackRequest = dialog.createPrack(response);
ClientTransaction ct = sipProvider.getNewClientTransaction(prackRequest);
dialog.sendRequest(ct);
}
}
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
public void processTimeout(javax.sip.TimeoutEvent timeoutEvent) {
System.out.println("Transaction Time out");
}
public void sendCancel() {
try {
System.out.println("Sending cancel");
Request cancelRequest = inviteTid.createCancel();
ClientTransaction cancelTid = sipProvider
.getNewClientTransaction(cancelRequest);
cancelTid.sendRequest();
} catch (Exception ex) {
ex.printStackTrace();
}
}
public void init() {
init("BigGuy", false);
}
public void init(String fromName, boolean useTelURL) {
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 = "127.0.0.1:5070";
if(outboundProxy) {
properties.setProperty("javax.sip.OUTBOUND_PROXY", peerHostPort + "/"
+ transport);
}
// If you want to use UDP then uncomment this.
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.DEBUG_LOG",
"logs/shootistdebug.txt");
properties.setProperty("gov.nist.javax.sip.SERVER_LOG",
"logs/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 (or NONE) in your production code for max speed.
// You need 16 (or TRACE) for logging traces. 32 (or DEBUG) for debug + traces.
// Your code will limp at 32 but it is best for debugging.
properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "DEBUG");
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("127.0.0.1", 5058, "udp");
sipProvider = sipStack.createSipProvider(udpListeningPoint);
Shootist listener = this;
sipProvider.addSipListener(listener);
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
URI toAddress = null;
if(useTelURL) {
toAddress = addressFactory.createTelURL("+358-555-1234567");
} else {
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<ViaHeader> viaHeaders = new ArrayList<ViaHeader>();
String ipAddress = udpListeningPoint.getIPAddress();
ViaHeader viaHeader = headerFactory.createViaHeader(ipAddress,
sipProvider.getListeningPoint(transport).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 MaxForwardsHeader
MaxForwardsHeader maxForwards = headerFactory
.createMaxForwardsHeader(70);
// Create the request.
if(requestMethod == null) requestMethod = Request.INVITE;
// Create a new Cseq header
CSeqHeader cSeqHeader = headerFactory.createCSeqHeader(1L,
requestMethod);
Request request = messageFactory.createRequest(requestURI,
requestMethod, callIdHeader, cSeqHeader, fromHeader,
toHeader, viaHeaders, maxForwards);
if(requestMethod.equals(Request.PUBLISH)) {
request.setHeader(headerFactory.createEventHeader("presence"));
}
// Create contact headers
String host = "127.0.0.1";
SipURI contactUrl = addressFactory.createSipURI(fromName, host);
contactUrl.setPort(udpListeningPoint.getPort());
contactUrl.setLrParam();
// Create the contact name address.
SipURI contactURI = addressFactory.createSipURI(fromName, host);
contactURI.setPort(sipProvider.getListeningPoint(transport)
.getPort());
Address contactAddress = addressFactory.createAddress(contactURI);
// Add the contact address.
contactAddress.setDisplayName(fromName);
contactHeader = headerFactory.createContactHeader(contactAddress);
request.addHeader(contactHeader);
// You can add extension headers of your own making
// to the outgoing SIP request.
// 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);
// You can add as many extension headers as you
// want.
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);
if(usePrack) {
RequireHeader requireHeader = headerFactory
.createRequireHeader("100rel");
request.addHeader(requireHeader);
}
Request subSeq = (Request) request.clone();
this.request = request;
// Create the client transaction.
inviteTid = sipProvider.getNewClientTransaction(request);
// send the request out.
inviteTid.sendRequest();
dialog = inviteTid.getDialog();
if(!outboundProxy) {
Address address = addressFactory.createAddress(peerHostPort);
RouteHeader routeHeader = headerFactory.createRouteHeader(address);
request.addHeader(routeHeader);
}
// Send a subsequent request after 2 secs
if(requestMethod.equals(Request.PUBLISH) ||
requestMethod.equals(Request.SUBSCRIBE)) {
Thread.sleep(2000);
CSeqHeader subSeqcSeqHeader = headerFactory.createCSeqHeader(2L,
requestMethod);
subSeq.setHeader(subSeqcSeqHeader);
subSeq.setHeader(lastResponse.getHeader(FromHeader.NAME));
ClientTransaction subseqCt = sipProvider.getNewClientTransaction(subSeq);
subseqCt.sendRequest();
}
} catch (Exception ex) {
System.out.println(ex.getMessage());
ex.printStackTrace();
usage();
}
}
public void processIOException(IOExceptionEvent exceptionEvent) {
System.out.println("IOException happened for "
+ exceptionEvent.getHost() + " port = "
+ exceptionEvent.getPort());
}
public void processTransactionTerminated(
TransactionTerminatedEvent transactionTerminatedEvent) {
System.out.println("Transaction terminated event recieved");
}
public void processDialogTerminated(
DialogTerminatedEvent dialogTerminatedEvent) {
System.out.println("dialogTerminatedEvent");
}
public void destroy() {
logger.info("Destroying following sip stack " + sipStack.getStackName());
HashSet<SipProvider> hashSet = new HashSet<SipProvider>();
for (SipProvider sipProvider : hashSet) {
hashSet.add(sipProvider);
}
for (SipProvider sipProvider : hashSet) {
for (int j = 0; j < 5; j++) {
try {
sipStack.deleteSipProvider(sipProvider);
} catch (ObjectInUseException ex) {
try {
Thread.sleep(1000);
} catch (Exception e) {
}
}
}
}
sipStack.stop();
}
/**
* @param outboundProxy the outboundProxy to set
*/
public void setOutboundProxy(boolean outboundProxy) {
this.outboundProxy = outboundProxy;
}
/**
* @return the outboundProxy
*/
public boolean isOutboundProxy() {
return outboundProxy;
}
}