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examples.publish.Subscriber Maven / Gradle / Ivy
package examples.publish;
import javax.sip.*;
import javax.sip.address.*;
import javax.sip.header.*;
import javax.sip.message.*;
import java.util.*;
//ifdef SIMULATION
/*
import sim.java.*;
//endif
*/
/**
* 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 Subscriber implements SipListener {
private static SipProvider sipProvider;
private static AddressFactory addressFactory;
private static MessageFactory messageFactory;
private static HeaderFactory headerFactory;
private static SipStack sipStack;
private ContactHeader contactHeader;
protected ClientTransaction subscribeTid;
protected static final String usageString =
"java "
+ "examples.subsnotify.Subscriber \n"
+ ">>>> is your class path set to the root?";
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);
if (request.getMethod().equals(Request.NOTIFY))
processNotify(request, serverTransactionId);
}
public void processNotify(
Request request,
ServerTransaction serverTransactionId) {
try {
System.out.println("subscriber: got a notify .");
if (serverTransactionId == null) {
System.out.println("subscriber: null TID.");
return;
}
Dialog dialog = serverTransactionId.getDialog();
System.out.println("Dialog State = " + dialog.getState());
Response response = messageFactory.createResponse(200,request);
serverTransactionId.sendResponse(response);
SubscriptionStateHeader subscriptionState = (SubscriptionStateHeader)
request.getHeader(SubscriptionStateHeader.NAME);
// Subscription is terminated.
if ( subscriptionState.getState().equals(SubscriptionStateHeader.TERMINATED)) {
dialog.delete();
}
} 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);
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());
}
public void init() {
SipFactory sipFactory = null;
sipStack = null;
sipProvider = null;
sipFactory = SipFactory.getInstance();
sipFactory.setPathName("gov.nist");
Properties properties = new Properties();
String transport = "udp";
properties.setProperty(
"javax.sip.OUTBOUND_PROXY",
"127.0.0.1:5070/" + transport);
properties.setProperty("javax.sip.STACK_NAME", "subscriber");
properties.setProperty("javax.sip.MAX_MESSAGE_SIZE", "1048576");
properties.setProperty(
"gov.nist.javax.sip.DEBUG_LOG",
"subscriberdebug.txt");
properties.setProperty(
"gov.nist.javax.sip.SERVER_LOG",
"subscriberlog.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();
ListeningPoint lp = sipStack.createListeningPoint("127.0.0.1",5060, "udp");
sipProvider = sipStack.createSipProvider(lp);
Subscriber listener = this;
sipProvider.addSipListener(listener);
lp = sipStack.createListeningPoint("127.0.0.1",5060, "tcp");
SipProvider sipProvider1 = sipStack.createSipProvider(lp);
sipProvider1.addSipListener(listener);
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, toSipAddress);
// Create ViaHeaders
ArrayList viaHeaders = new ArrayList();
int port = sipProvider.getListeningPoint("udp").getPort();
ViaHeader viaHeader =
headerFactory.createViaHeader(
"127.0.0.1",
port,
transport,
null);
// add via headers
viaHeaders.add(viaHeader);
// Create a new CallId header
CallIdHeader callIdHeader = sipProvider.getNewCallId();
// Create a new Cseq header
CSeqHeader cSeqHeader =
headerFactory.createCSeqHeader(1L, Request.SUBSCRIBE);
// Create a new MaxForwardsHeader
MaxForwardsHeader maxForwards =
headerFactory.createMaxForwardsHeader(70);
// Create the request.
Request request =
messageFactory.createRequest(
requestURI,
Request.SUBSCRIBE,
callIdHeader,
cSeqHeader,
fromHeader,
toHeader,
viaHeaders,
maxForwards);
// Create contact headers
String host = lp.getIPAddress();
SipURI contactUrl = addressFactory.createSipURI(fromName, host);
contactUrl.setPort(lp.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);
// Create the client transaction.
listener.subscribeTid = sipProvider.getNewClientTransaction(request);
// send the request out.
listener.subscribeTid.sendRequest();
} catch (Exception ex) {
System.out.println(ex.getMessage());
ex.printStackTrace();
usage();
}
}
public static void main(String args[]) {
new Subscriber().init();
}
public void processIOException(IOExceptionEvent exceptionEvent) {
System.out.println("io exception event recieved");
}
public void processTransactionTerminated(TransactionTerminatedEvent transactionTerminatedEvent) {
System.out.println("transaction terminated");
}
public void processDialogTerminated(DialogTerminatedEvent dialogTerminatedEvent) {
System.out.println("dialog terminated event recieved");
}
public void processTimeout(javax.sip.TimeoutEvent timeoutEvent) {
System.out.println("Transaction Time out");
}
}
