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java -jar start.jar --ini=start-cipango.ini etc/diameter.xml |
Logging
Diameter messages are logged in the file ${jetty.home}/logs/yyyy_mm_dd.diameter.log (replace yyyy_mm_dd by the current date).
API
Javadoc
Javadoc is available at http://www.cipango.org/javadoc/diameter-2.0/.
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Cipango makes an instance of org.cipango.diameter.api.DiameterFactory available to servlets via the servlet context attribute of the same name, org.cipango.diameter.api.DiameterFactory.
Usage
Send request
The following code sample illustrates how to create an UDR request:
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protected void doRequest(SipServletRequest sipRequest) throws ServletException, IOException { DiameterFactory factory = (DiameterFactory) getServletContext().getAttribute(DiameterFactory.class.getName()); DiameterRequest DiameterServletRequest request = factory.createRequest(sipRequest.getApplicationSession(),Sh.SH_APPLICATION_ID, Sh.UDR,"home1.net","hss1.home1.net"); AVP<AVPList> AVPList userIdentity = new factory.createAVPList(Sh.USER_IDENTITYAVPList(); userIdentity.addValueadd(Cx.PUBLIC_IDENTITY, "sip:alice@atlanta.com"); request.addAVP(add(Sh.USER_IDENTITY, userIdentity); request.add(Sh.DATA_REFERENCE, Sh.DataReference.IMSUserState); request.setAttribute("request", sipRequest); request.send(); } |
Logging
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Handling answer
When the UDA answer is received, the handle method of the DiameterListener interface is invoked and the requested data could be retrieved as follows:
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public void handle(DiameterServletMessage message) throws IOException
{
try
{
if (!message.isRequest())
{
DiameterServletAnswer answer = (DiameterServletAnswer) message;
byte[] data = answer.get(Sh.USER_DATA);
// process sh data
SipServletRequest request = (SipServletRequest) answer.getRequest().getAttribute("request");
SipServletResponse response = request.createResponse(200);
response.send();
response.getApplicationSession().invalidate();
}
else
// Error processing
}
catch (Throwable e)
{
// Error processing
}
}
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