org.mobicents.ussdgateway.slee.sip.SipClientSbb Maven / Gradle / Ivy
/*
* TeleStax, Open Source Cloud Communications
* Copyright 2011-2017, Telestax Inc and individual contributors
* by the @authors tag.
*
* This program is free software: you can redistribute it and/or modify
* under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see mList = xmlMAPDialog.getMAPMessages();
MAPMessage mes = mList.getFirst();
if (mes == null) {
throw new NullPointerException("No USSD message to send to SIP.");
}
if (mes.getMessageType() != MAPMessageType.processUnstructuredSSRequest_Request) {
throw new Exception("Bad USSD message type to send to SIP: " + mes.getMessageType());
}
ProcessUnstructuredSSRequest pmes = (ProcessUnstructuredSSRequest) mes;
ISDNAddressString fromMsisdn = pmes.getMSISDNAddressString();
String fromMsisdnStr = null;
if(fromMsisdn != null){
fromMsisdnStr = fromMsisdn.getAddress();
} else {
AddressString fromAddressString = xmlMAPDialog.getReceivedOrigReference();
fromMsisdnStr = fromAddressString.getAddress();
}
USSDString ussd = pmes.getUSSDString();
CBSDataCodingScheme dcs = pmes.getDataCodingScheme();
String reqMessage = ussd.getString(null);
int ind1 = reqMessage.indexOf("#");
String destString;
if (ind1 > 0) {
destString = reqMessage.substring(0, ind1 + 1);
} else {
destString = reqMessage;
}
destString = destString.replaceAll("#", "%23");
SipURI toSipUri = addressFactory.createSipURI(destString, call.getSipProxy()); // user,
// host
Address toAddress = this.addressFactory.createAddress(toSipUri);
// !!!!: TODO: changing of To and SIP-URI to special USSD form
// To header:
ToHeader toHeader = headerFactory.createToHeader(toAddress, null);
// Locale x;
// From Header:
ListeningPoint listeningPoint = provider.getListeningPoints()[0];
SipURI fromAddressUri = addressFactory.createSipURI(fromMsisdnStr, listeningPoint.getIPAddress() + ":"
+ listeningPoint.getPort());
javax.sip.address.Address fromAddress = addressFactory.createAddress(fromAddressUri);
FromHeader fromHeader = headerFactory.createFromHeader(fromAddress, generateTag());
// Set the sequence number for the invite
CSeqHeader cseqHeader = headerFactory.createCSeqHeader(1l, Request.INVITE);
// Create the Via header and add to an array list
List viaHeadersList = new ArrayList(1);
ViaHeader viaHeader = headerFactory.createViaHeader(listeningPoint.getIPAddress(), listeningPoint.getPort(),
listeningPoint.getTransport(), null);
viaHeader.setRPort();
viaHeadersList.add(viaHeader);
MaxForwardsHeader maxForwardsHeader = headerFactory.createMaxForwardsHeader(70);
CallIdHeader callIdHeader = this.provider.getNewCallId();
Request request = this.messageFactory.createRequest(toSipUri, Request.INVITE, callIdHeader, cseqHeader,
fromHeader, toHeader, viaHeadersList, maxForwardsHeader);
ContactHeader contactHeader = createLocalContactHeader(fromMsisdnStr);
request.setHeader(contactHeader);
// Set Content
SipUssdMessage simMsg = new SipUssdMessage(pmes.getDataCodingScheme(), pmes.getUSSDString());
simMsg.setAnyExt(new AnyExt(MAPMessageType.processUnstructuredSSRequest_Request));
byte[] data = this.getEventsSerializeFactory().serializeSipUssdMessage(simMsg);
String content = new String(data);
// Set Content
ContentTypeHeader contentTypeHeader = this.headerFactory
.createContentTypeHeader(CONTENT_TYPE, CONTENT_SUB_TYPE);
request.setContent(content, contentTypeHeader);
ContentLengthHeader contentLengthHeader = headerFactory.createContentLengthHeader(content.length());
request.setContentLength(contentLengthHeader);
return request;
}
private DialogActivity getDialog() {
ActivityContextInterface[] acis = this.sbbContext.getActivities();
for (ActivityContextInterface aci : acis) {
if (aci.getActivity() instanceof DialogActivity) {
return (DialogActivity) aci.getActivity();
}
}
return null;
}
private String getDialogActivityId() {
DialogActivity act = this.getDialog();
if (act != null)
return act.getDialogId();
else
return null;
}
private void sendBye(SipUssdMessage simMsg) {
Dialog sipDialog = this.getDialog();
if (sipDialog == null) {
// Most probably the Dialog between the GW and application died!
return;
}
if (sipDialog.getState() == DialogState.CONFIRMED) {
// TODO : Confirm BYE is to be sent only for Confirmed Dialog
try {
Request byeRequest = sipDialog.createRequest(Request.BYE);
byte[] data = this.getEventsSerializeFactory().serializeSipUssdMessage(simMsg);
String content = new String(data);
ContentTypeHeader contentTypeHeader = this.headerFactory.createContentTypeHeader(CONTENT_TYPE,
CONTENT_SUB_TYPE);
byeRequest.setContent(content, contentTypeHeader);
ContentLengthHeader contentLengthHeader = headerFactory.createContentLengthHeader(content.length());
byeRequest.setContentLength(contentLengthHeader);
ClientTransaction ct = this.provider.getNewClientTransaction(byeRequest);
ActivityContextInterface calleeAci = this.sipActConIntFac.getActivityContextInterface(ct);
calleeAci.attach(this.sbbContext.getSbbLocalObject());
sipDialog.sendRequest(ct);
} catch (Exception e) {
this.logger.severe("Error while sending BYE Request ", e);
}
} else {
logger.warning("Trying to send BYE for Dialog that is not CONFIRMED. Will delete SIP Dialog \n" + sipDialog);
this.terminateProtocolConnection();
}
}
private void abortSipDialog() {
SipUssdMessage sipMsg = new SipUssdMessage(SipUssdErrorCode.errorUnspecified);
abortSipDialog(sipMsg);
}
private void abortSipDialog(SipUssdMessage sipMsg) {
this.sendBye(sipMsg);
}
@Override
protected void terminateProtocolConnection() {
Dialog sipDialog = this.getDialog();
if (sipDialog == null) {
// Most probably the Dialog between the GW and application died!
return;
}
sipDialog.delete();
}
protected boolean isSip() {
return true;
}
}
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