/**
* Inherited from TransactionClientListener. When an TransactionClientListener goes into the
* "Terminated" state, receiving a 2xx response
*
* <p>If called for a INVITE transaction, it updates the dialog information, moves to D_CALL
* state, add a listener to the SipProvider, creates a new AckTransactionClient(ack,this), and
* fires <i>onSuccessResponse(this,code,body,msg)</i>.
*
* <p>If called for a BYE transaction, it moves to D_CLOSE state, removes the listener from
* SipProvider, and fires <i>onClose(this,msg)</i>.
*/
public void onTransSuccessResponse(TransactionClient tc, Message msg) {
printLog("inside onTransSuccessResponse(tc,msg)", LogLevel.LOW);
if (tc.getTransactionMethod().equals(SipMethods.INVITE)) {
if (!verifyStatus(statusIs(D_INVITING) || statusIs(D_ReINVITING))) return;
StatusLine statusline = msg.getStatusLine();
int code = statusline.getCode();
if (!verifyThat(
code >= 200 && code < 300 && msg.getTransactionMethod().equals(SipMethods.INVITE),
"2xx for invite was expected")) return;
boolean re_inviting = statusIs(D_ReINVITING);
changeStatus(D_CALL);
update(Dialog.UAC, msg);
if (invite_offer) { // invite_req=MessageFactory.createRequest(SipMethods.ACK,dialog_state,sdp.toString());
// ack=MessageFactory.createRequest(this,SipMethods.ACK,null);
ack_req = MessageFactory.create2xxAckRequest(this, null);
AckTransactionClient ack_tc = new AckTransactionClient(sip_provider, ack_req, null);
ack_tc.request();
}
if (!re_inviting) {
listener.onDlgInviteSuccessResponse(this, code, statusline.getReason(), msg.getBody(), msg);
listener.onDlgCall(this);
} else
listener.onDlgReInviteSuccessResponse(
this, code, statusline.getReason(), msg.getBody(), msg);
} else if (tc.getTransactionMethod().equals(SipMethods.BYE)) {
if (!verifyStatus(statusIs(D_BYEING))) return;
StatusLine statusline = msg.getStatusLine();
int code = statusline.getCode();
verifyThat(code >= 200 && code < 300, "2xx for bye was expected");
changeStatus(D_CLOSE);
listener.onDlgByeSuccessResponse(this, code, statusline.getReason(), msg);
listener.onDlgClose(this);
}
}
/** When a new Message is received by the SipProvider. */
public void onReceivedMessage(SipProvider provider, Message msg) {
printLog("onReceivedMessage()", LogLevel.MEDIUM);
if (statusIs(D_TERMINATED)) {
printLog("subscription already terminated: message discarded", LogLevel.MEDIUM);
return;
}
// else
if (msg.isRequest() && msg.isSubscribe()) {
if (statusIs(NotifierDialog.D_WAITING)) { // the first SUBSCRIBE
// request
changeStatus(D_SUBSCRIBED);
sip_provider.removeSipProviderListener(new MethodIdentifier(SipMethods.SUBSCRIBE));
}
subscribe_req = msg;
NameAddress target = msg.getToHeader().getNameAddress();
NameAddress subscriber = msg.getFromHeader().getNameAddress();
EventHeader eh = msg.getEventHeader();
if (eh != null) {
event = eh.getEvent();
id = eh.getId();
}
update(UAS, msg);
subscribe_transaction = new TransactionServer(sip_provider, msg, null);
if (listener != null) listener.onDlgSubscribe(this, target, subscriber, event, id, msg);
} else {
printLog("message is not a SUBSCRIBE: message discarded", LogLevel.HIGH);
}
}
/**
* Inherited from TransactionClientListener. When the TransactionClientListener goes into the
* "Completed" state, receiving a failure response
*
* <p>If called for a INVITE transaction, it moves to D_CLOSE state, removes the listener from
* SipProvider.
*
* <p>If called for a BYE transaction, it moves to D_CLOSE state, removes the listener from
* SipProvider, and fires <i>onClose(this,msg)</i>.
*/
public void onTransFailureResponse(TransactionClient tc, Message msg) {
printLog("inside onTransFailureResponse(" + tc.getTransactionId() + ",msg)", LogLevel.LOW);
if (tc.getTransactionMethod().equals(SipMethods.INVITE)) {
if (!verifyStatus(statusIs(D_INVITING) || statusIs(D_ReINVITING))) return;
StatusLine statusline = msg.getStatusLine();
int code = statusline.getCode();
verifyThat(code >= 300 && code < 700, "error code was expected");
if (statusIs(D_ReINVITING)) {
changeStatus(D_CALL);
listener.onDlgReInviteFailureResponse(this, code, statusline.getReason(), msg);
} else {
changeStatus(D_CLOSE);
if (code >= 300 && code < 400)
listener.onDlgInviteRedirectResponse(
this, code, statusline.getReason(), msg.getContacts(), msg);
else listener.onDlgInviteFailureResponse(this, code, statusline.getReason(), msg);
listener.onDlgClose(this);
}
} else if (tc.getTransactionMethod().equals(SipMethods.BYE)) {
if (!verifyStatus(statusIs(D_BYEING))) return;
StatusLine statusline = msg.getStatusLine();
int code = statusline.getCode();
verifyThat(code >= 300 && code < 700, "error code was expected");
changeStatus(InviteDialog.D_CALL);
listener.onDlgByeFailureResponse(this, code, statusline.getReason(), msg);
}
}
/**
* Inherited from TransactionClientListener. When the TransactionClientListener is in "Proceeding"
* state and receives a new 1xx response
*
* <p>For INVITE transaction it fires <i>onFailureResponse(this,code,reason,body,msg)</i>.
*/
public void onTransProvisionalResponse(TransactionClient tc, Message msg) {
printLog("inside onTransProvisionalResponse(tc,mdg)", LogLevel.LOW);
if (tc.getTransactionMethod().equals(SipMethods.INVITE)) {
StatusLine statusline = msg.getStatusLine();
listener.onDlgInviteProvisionalResponse(
this, statusline.getCode(), statusline.getReason(), msg.getBody(), msg);
}
}
/** Terminates the subscription (subscription goes into 'terminated' state). */
public void terminate(String reason) {
Message req = MessageFactory.createNotifyRequest(this, event, id, null, null);
SubscriptionStateHeader sh = new SubscriptionStateHeader(TERMINATED);
if (reason != null) sh.setReason(reason);
// sh.setExpires(0);
req.setSubscriptionStateHeader(sh);
notify(req);
}
/** Sends a NOTIFY. */
public void notify(String state, int expires, String content_type, String body) {
Message req = MessageFactory.createNotifyRequest(this, event, id, content_type, body);
if (state != null) {
SubscriptionStateHeader sh = new SubscriptionStateHeader(state);
if (expires >= 0) sh.setExpires(expires);
req.setSubscriptionStateHeader(sh);
}
notify(req);
}
/**
* Responds with <i>resp</i>. This method can be called when the InviteDialog is in D_INVITED or
* D_BYED states.
*
* <p>If the CSeq method is INVITE and the response is 2xx, it moves to state D_ACCEPTED, adds a
* new listener to the SipProviderListener, and creates new AckTransactionServer
*
* <p>If the CSeq method is INVITE and the response is not 2xx, it moves to state D_REFUSED, and
* sends the response.
*/
public void respond(Message resp)
// private void respond(Message resp)
{
printLog("inside respond(resp)", LogLevel.MEDIUM);
String method = resp.getCSeqHeader().getMethod();
if (method.equals(SipMethods.INVITE)) {
if (!verifyStatus(statusIs(D_INVITED) || statusIs(D_ReINVITED))) {
printLog(
"respond(): InviteDialog not in (re)invited state: No response now", LogLevel.HIGH);
return;
}
int code = resp.getStatusLine().getCode();
// 1xx provisional responses
if (code >= 100 && code < 200) {
invite_ts.respondWith(resp);
return;
}
// For all final responses establish the dialog
if (code >= 200) { // changeStatus(D_ACCEPTED);
update(Dialog.UAS, resp);
}
// 2xx success responses
if (code >= 200 && code < 300) {
if (statusIs(D_INVITED)) changeStatus(D_ACCEPTED);
else changeStatus(D_ReACCEPTED);
// terminates the INVITE Transaction server and activates an ACK
// Transaction server
invite_ts.terminate();
ConnectionIdentifier conn_id = invite_ts.getConnectionId();
ack_ts = new AckTransactionServer(sip_provider, conn_id, resp, this);
ack_ts.respond();
// if (statusIs(D_ReACCEPTED))
// listener.onDlgReInviteAccepted(this);
// else listener.onDlgAccepted(this);
return;
} else
// 300-699 failure responses
// if (code>=300)
{
if (statusIs(D_INVITED)) changeStatus(D_REFUSED);
else changeStatus(D_ReREFUSED);
invite_ts.respondWith(resp);
// if (statusIs(D_ReREFUSED))
// listener.onDlgReInviteRefused(this);
// else listener.onDlgRefused(this);
return;
}
}
if (method.equals(SipMethods.BYE)) {
if (!verifyStatus(statusIs(D_BYED))) return;
bye_ts.respondWith(resp);
}
}
/**
* Responds with <i>code</i> and <i>reason</i>. This method can be called when the InviteDialog is
* in D_INVITED, D_ReINVITED states
*/
public void respond(
int code, String reason, int expires, String contact, String content_type, String body) {
printLog("inside respond(" + code + "," + reason + ")", LogLevel.MEDIUM);
NameAddress contact_url = null;
if (contact != null) contact_url = new NameAddress(contact);
Message resp =
MessageFactory.createResponse(
subscribe_req, code, SipResponses.reasonOf(code), contact_url);
if (expires >= 0) resp.setExpiresHeader(new ExpiresHeader(expires));
if (body != null) resp.setBody(content_type, body);
respond(resp);
}
/**
* Inherited from TransactionServerListener. When the TransactionServer goes into the "Trying"
* state receiving a request
*
* <p>If called for a INVITE transaction, it initializes the dialog information, <br>
* moves to D_INVITED state, and add a listener to the SipProvider, <br>
* and fires <i>onInvite(caller,body,msg)</i>.
*/
public void onTransRequest(TransactionServer ts, Message req) {
printLog("inside onTransRequest(ts,msg)", LogLevel.LOW);
if (ts.getTransactionMethod().equals(SipMethods.INVITE)) {
if (!verifyStatus(statusIs(D_WAITING))) return;
changeStatus(D_INVITED);
invite_req = req;
update(Dialog.UAS, invite_req);
listener.onDlgInvite(
this,
invite_req.getToHeader().getNameAddress(),
invite_req.getFromHeader().getNameAddress(),
invite_req.getBody(),
invite_req);
}
}
/** When a new Message is received by the SipProvider. */
public void onReceivedMessage(SipProvider provider, Message msg) {
// printLog("onReceivedMessage()", LogLevel.MEDIUM);
if (statusIs(D_TERMINATED)) {
printLog("subscription already terminated: message discarded", LogLevel.MEDIUM);
return;
}
// else
if (msg.isRequest() && msg.isSubscribe()) {
if (statusIs(NotifierDialog.D_WAITING)) { // the first SUBSCRIBE
// request
changeStatus(D_SUBSCRIBED);
sip_provider.removeSipProviderListener(new MethodIdentifier(SipMethods.SUBSCRIBE));
}
subscribe_req = msg;
NameAddress target = msg.getToHeader().getNameAddress();
NameAddress subscriber = msg.getFromHeader().getNameAddress();
EventHeader eh = msg.getEventHeader();
if (eh != null) {
event = eh.getEvent();
id = eh.getId();
}
// ==> jinsub for presence server
if (event.endsWith("presence")) {
notifyEvent = target.toString();
}
//
update(UAS, msg);
// System.out.println("����� ��¿��?");
// subscribe_transaction = new TransactionServer(sip_provider, msg, null);
if (listener != null)
// Here is going to add vector_key
listener.onDlgSubscribe(this, target, subscriber, event, id, msg);
} else if (msg.isRequest() && msg.isPublish()) {
// ==> jinsub for presence server
NameAddress target = msg.getToHeader().getNameAddress();
NameAddress publisher = msg.getFromHeader().getNameAddress();
EventHeader eh = msg.getEventHeader();
if (eh.getEvent().endsWith(event) && target.toString().endsWith(notifyEvent)) {
// System.out.println("����� ��¿��2?");
// publish_transaction = new TransactionServer(sip_provider, msg, null);
if (listener != null) listener.onDlgPublish(this, target, publisher, event, id, msg);
}
//
} else {
printLog("message is not a SUBSCRIBE: message discarded", LogLevel.HIGH);
}
}
/**
* Re-invites the remote user.
*
* <p>Starts a new InviteTransactionClient and changes the dialog state information
*
* <p>Parameters: <br>
* - contact : the contact url OR the contact username; if null, the previous contact is used <br>
* - session_descriptor : the message body
*/
public void reInvite(String contact, String session_descriptor) {
printLog("inside reInvite(contact,sdp)", LogLevel.MEDIUM);
if (!statusIs(D_CALL)) return;
// else
Message invite = MessageFactory.createInviteRequest(this, session_descriptor);
if (contact != null) {
NameAddress contact_url;
if (contact.indexOf("sip:") >= 0) contact_url = new NameAddress(contact);
else
contact_url =
new NameAddress(
new SipURL(contact, sip_provider.getViaAddress(), sip_provider.getPort()));
invite.setContactHeader(new ContactHeader(contact_url));
}
reInvite(invite);
}
/**
* Responds with <i>code</i> and <i>reason</i>. This method can be called when the InviteDialog is
* in D_INVITED, D_ReINVITED states
*/
public void respond(int code, String reason, String contact, String sdp) {
printLog("inside respond(" + code + "," + reason + ")", LogLevel.MEDIUM);
if (statusIs(D_INVITED) || statusIs(D_ReINVITED)) {
NameAddress contact_address = null;
if (contact != null) contact_address = new NameAddress(contact);
Message resp = MessageFactory.createResponse(invite_req, code, reason, contact_address);
resp.setBody(sdp);
respond(resp);
} else
printWarning(
"Dialog isn't in \"invited\" state: cannot respond ("
+ code
+ "/"
+ getStatus()
+ "/"
+ getDialogID()
+ ")",
LogLevel.MEDIUM);
}
/** Sends a NOTIFY. */
public void notify(Message req) {
String subscription_state = req.getSubscriptionStateHeader().getState();
if (subscription_state.equalsIgnoreCase(ACTIVE)
&& (statusIs(D_SUBSCRIBED) || statusIs(D_PENDING))) changeStatus(D_ACTIVE);
else if (subscription_state.equalsIgnoreCase(PENDING) && statusIs(D_SUBSCRIBED))
changeStatus(D_PENDING);
else if (subscription_state.equalsIgnoreCase(TERMINATED) && !statusIs(D_TERMINATED))
changeStatus(D_TERMINATED);
TransactionClient notify_transaction = new TransactionClient(sip_provider, req, this);
notify_transaction.request();
}
/** Creates a new NotifierDialog for the already received SUBSCRIBE request <i>subscribe</i>. */
public NotifierDialog(
SipProvider sip_provider, Message subscribe, NotifierDialogListener listener) {
super(sip_provider);
init(listener);
changeStatus(D_SUBSCRIBED);
subscribe_req = subscribe;
subscribe_transaction = new TransactionServer(sip_provider, subscribe, null);
update(Dialog.UAS, subscribe);
EventHeader eh = subscribe.getEventHeader();
if (eh != null) {
event = eh.getEvent();
id = eh.getId();
}
}
/** When the TransactionClient goes into the "Completed" state receiving a 300-699 response */
public void onTransFailureResponse(TransactionClient tc, Message resp) {
printLog("onTransFailureResponse()", LogLevel.MEDIUM);
StatusLine status_line = resp.getStatusLine();
if (listener != null)
listener.onDlgNotificationFailure(this, status_line.getCode(), status_line.getReason(), resp);
}
/**
* Inherited from class SipProviderListener. Called when a new message is received (out of any
* ongoing transaction) for the current InviteDialog. Always checks for out-of-date methods (CSeq
* header sequence number).
*
* <p>If the message is ACK(2xx/INVITE) request, it moves to D_CALL state, and fires
* <i>onDlgAck(this,body,msg)</i>.
*
* <p>If the message is 2xx(INVITE) response, it create a new AckTransactionClient
*
* <p>If the message is BYE, it moves to D_BYED state, removes the listener from SipProvider,
* fires onDlgBye(this,msg) then it responds with 200 OK, moves to D_CLOSE state and fires
* onDlgClose(this)
*/
public void onReceivedMessage(SipProvider sip_provider, Message msg) {
printLog("inside onReceivedMessage(sip_provider,message)", LogLevel.MEDIUM);
if (msg.isRequest()
&& !(msg.isAck() || msg.isCancel())
&& msg.getCSeqHeader().getSequenceNumber() <= getRemoteCSeq()) {
printLog("Request message is too late (CSeq too small): Message discarded", LogLevel.HIGH);
return;
}
// invite received
if (msg.isRequest() && msg.isInvite()) {
verifyStatus(statusIs(D_INIT) || statusIs(D_CALL));
// NOTE: if the invite_ts.listen() is used, you should not arrive
// here with the D_INIT state..
// however state D_INIT has been included for robustness against
// further changes.
if (statusIs(D_INIT)) changeStatus(D_INVITED);
else changeStatus(D_ReINVITED);
invite_req = msg;
invite_ts = new InviteTransactionServer(sip_provider, invite_req, this);
// ((TransactionServer)transaction).listen();
update(Dialog.UAS, invite_req);
if (statusIs(D_INVITED))
listener.onDlgInvite(
this,
invite_req.getToHeader().getNameAddress(),
invite_req.getFromHeader().getNameAddress(),
invite_req.getBody(),
invite_req);
else listener.onDlgReInvite(this, invite_req.getBody(), invite_req);
} else
// ack (of 2xx of INVITE)
if (msg.isRequest() && msg.isAck()) {
if (!verifyStatus(statusIs(D_ACCEPTED) || statusIs(D_ReACCEPTED))) return;
changeStatus(D_CALL);
// terminates the AckTransactionServer
ack_ts.terminate();
listener.onDlgAck(this, msg.getBody(), msg);
listener.onDlgCall(this);
} else
// keep sending ACK (if already sent) for any "200 OK" received
if (msg.isResponse()) {
if (!verifyStatus(statusIs(D_CALL))) return;
int code = msg.getStatusLine().getCode();
verifyThat(code >= 200 && code < 300, "code 2xx was expected");
if (ack_req != null) {
AckTransactionClient ack_tc = new AckTransactionClient(sip_provider, ack_req, null);
ack_tc.request();
}
} else
// bye received
if (msg.isRequest() && msg.isBye()) {
if (!verifyStatus(statusIs(D_CALL) || statusIs(D_BYEING))) return;
changeStatus(D_BYED);
bye_ts = new TransactionServer(sip_provider, msg, this);
// automatically sends a 200 OK
Message resp = MessageFactory.createResponse(msg, 200, SipResponses.reasonOf(200), null);
respond(resp);
listener.onDlgBye(this, msg);
changeStatus(D_CLOSE);
listener.onDlgClose(this);
} else
// cancel received
if (msg.isRequest() && msg.isCancel()) {
if (!verifyStatus(statusIs(D_INVITED) || statusIs(D_ReINVITED))) return;
// create a CANCEL TransactionServer and send a 200 OK (CANCEL)
TransactionServer ts = new TransactionServer(sip_provider, msg, null);
// ts.listen();
ts.respondWith(MessageFactory.createResponse(msg, 200, SipResponses.reasonOf(200), null));
// automatically sends a 487 Cancelled
Message resp =
MessageFactory.createResponse(invite_req, 487, SipResponses.reasonOf(487), null);
respond(resp);
listener.onDlgCancel(this, msg);
} else
// any other request received
if (msg.isRequest()) {
TransactionServer ts = new TransactionServer(sip_provider, msg, null);
// ts.listen();
ts.respondWith(MessageFactory.createResponse(msg, 405, SipResponses.reasonOf(405), null));
}
}
/** Responds with <i>resp</i>. */
public void respond(Message resp) {
printLog("inside respond(resp)", LogLevel.MEDIUM);
if (resp.getStatusLine().getCode() >= 200) update(UAS, resp);
subscribe_transaction.respondWith(resp);
}