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- /*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
- package model;
-
- import java.util.ArrayList;
- import java.util.Vector;
- import java.util.logging.Level;
- import java.util.logging.Logger;
- import javax.sdp.SdpFactory;
- import javax.sdp.SessionDescription;
- import javax.sip.RequestEvent;
- import logger.OhmLogger;
-
- /**
- *
- * @author Jan
- */
- public class SIPSessionDescription
- {
- private SdpFactory sdpFactory;
- private SessionDescription sessionDescription;
- private Vector mediavec;
- private String cods[];
- private String[][] codecs;
- private static final Logger lgSessionDescription = OhmLogger.getLogger();
-
- public SIPSessionDescription(String myName, String myIPAddress,
- RequestEvent requestEvent, Boolean anfrage)
- {
- codecs = new String[4][2]; // Alle unterstützen Codecs eintragen
- codecs[0][0] = "0";
- codecs[0][1] = "PCMU/8000";
- codecs[1][0] = "4";
- codecs[1][1] = "G723/8000";
- codecs[2][0] = "8";
- codecs[2][1] = "PCMA/8000";
- codecs[3][0] = "18";
- codecs[3][1] = "G729/8000";
- cods = new String[codecs.length];
- for (int i = 0; i < cods.length; i++)//Übertragung der RTP-Values in neues Array
- {
- cods[i] = codecs[i][0];
- }
- mediavec = new Vector();
- try
- {
- sdpFactory = SdpFactory.getInstance();
- sessionDescription = sdpFactory.createSessionDescription();
- sessionDescription.setOrigin(sdpFactory.createOrigin(myName, 8000, 8000, "IN", "IP4", myIPAddress));
- sessionDescription.setSessionName(sdpFactory.createSessionName("SIP Call"));
- sessionDescription.setConnection(sdpFactory.createConnection("IN", "IP4", myIPAddress));
-
- //Media Body
- mediavec.add(sdpFactory.createMediaDescription("audio", 6022, 1, "RTP/AVP", cods)); //(Übertragungstyp, Port, anzahl der Ports, Verbindungstyp,..)
- mediavec.add(sdpFactory.createAttribute("sendrecv", null));
- if (anfrage = true)
- {
- for (int i = 0; i == codecs[0].length; i++)
- {
- System.out.println("Codecs: " + codecs[i][0] + " " + codecs[i][1]);
- mediavec.add(sdpFactory.createAttribute("rtpmap", codecs[i][0] + " " + codecs[i][1]));
- }
- }
- else//Vergleich von eigenen Codecs mit Codecs der anruft -> Rückgabe entsprechend wählen
- {
- //herausfiltern der zulässigen bei Nachrichtenanfrage
- String[] reqbody = (requestEvent.getRequest()).toString().split("\\s|" + System.getProperty("line.seperator"));
- ArrayList<String> reqSDP = new ArrayList<>();
- for (String req : reqbody)
- {
- if (req.startsWith("a=rtpmap"))
- {
- reqSDP.add(req.replace("a=rtpmap:", ""));
- System.out.println(reqSDP);
- }
- }
- boolean temp = true; //evtl noch was besseres da so erster Codec nicht bester verwendet wird
- for (int i = 0; i == codecs[0].length; i++)
- {
- if (codecs[i][1].equals(reqSDP) && temp == true)
- {
- mediavec.add(sdpFactory.createAttribute("rtpmap", "8 G711a/8000"));
- temp = false;
- }
- }
- }
- sessionDescription.setAttributes(mediavec);
- }
- catch (Exception ex)
- {
- lgSessionDescription.getLogger(SIPmodel.class.getName()).log(Level.SEVERE, null, ex);
- }
-
- }
- /**
- * @return the sessionDescription
- */
- public SessionDescription getSessionDescription()
- {
- System.out.println(sessionDescription);
- return sessionDescription;
- }
- }
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