SDP ergänzt, sinnvoll wär es jetzt geeignete Funktionen zu erstellen + RTP zu ergänzen

src/model/VoIP.java

@@ -12,6 +12,9 @@ import java.text.ParseException;
 import java.util.*;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import javax.sdp.SdpException;
+import javax.sdp.SdpFactory;
+import javax.sdp.SessionDescription;
 import javax.sip.DialogTerminatedEvent;
 import javax.sip.IOExceptionEvent;
 import javax.sip.InvalidArgumentException;
@@ -54,7 +57,6 @@ public class VoIP implements SipListenerExt
   Address contactAddress;
   private ContactHeader contactHeader;
 
-
   public VoIP() //Konstruktor für eigene Daten     
   {
 
@@ -84,6 +86,7 @@ public class VoIP implements SipListenerExt
     }
 
   }
+
   public int hashCode()
   {
     int temp = tag * (new Random(100)).nextInt();
@@ -95,15 +98,10 @@ public class VoIP implements SipListenerExt
     System.out.println("-----------SendRegister-----------");
     Address addressto = this.addressFactory.createAddress("sip:192.168.100.11"); //evtl. mit Port: sip:192.168.100.11:5060
     Address addresstob = this.addressFactory.createAddress("sip:192.168.100.11"); //to get example maybe needed
-    
     ToHeader to = this.headerFactory.createToHeader(addresstob, null); // Integer.toString(tag)  address + tag
-    
     URI requestURI = addressto.getURI();
-    
     CallIdHeader callId = this.sipProvider.getNewCallId();
-    
     FromHeader from = this.headerFactory.createFromHeader(addresstob, String.valueOf(this.tag)); //this.contactAddress
-  
     ArrayList via = new ArrayList(); //Via needs a List as input
     ViaHeader viaheader = this.headerFactory.createViaHeader(this.myIPAddress, this.myPort, "UDP", String.valueOf(branch));
     via.add(viaheader);
@@ -114,13 +112,11 @@ public class VoIP implements SipListenerExt
     //Create Request Header
     System.out.println("----REQUEST HEADER----");
     Request request = this.messageFactory.createRequest(requestURI, "REGISTER", callId, cSeq, from, to, via, maxForwards);
-    
     request.addHeader(contactHeader);
     request.addHeader(allow);
     request.addHeader(expire);
     System.out.println(request);
     this.sipProvider.sendRequest(request);
-    
   }
 
   @Override
@@ -132,7 +128,8 @@ public class VoIP implements SipListenerExt
   public void processRequest(RequestEvent requestEvent)
   {
     System.out.println("----Bekomme Anfrage----");
-    if ((Request.OPTIONS).equals(requestEvent.getRequest().getMethod()))
+    //Kommunikation mit Server das man zur Verfügung steht
+    if ((Request.OPTIONS).equals(requestEvent.getRequest().getMethod())) //Options Anfrage von Server nach erfolgreicher Registrierung
     {
       System.out.println("200 OK zu Server");
       try
@@ -158,13 +155,15 @@ public class VoIP implements SipListenerExt
         Logger.getLogger(VoIP.class.getName()).log(Level.SEVERE, null, ex);
       }
     }
-    else if ((Request.INVITE).equals(requestEvent.getRequest().getMethod()))
+    //Aktive Kommunikation
+    else if ((Request.INVITE).equals(requestEvent.getRequest().getMethod())) // Invite von anderem Benutzer
     {
       System.out.println("Hab invitation bekommen");
       System.out.println("Gleich antworte ich");
       try
       {
-        //Trying
+        //Trying Message to Server (Response Trying)
+        System.out.println("----REquest HEader----");
         Response responsetry = this.messageFactory.createResponse(100, requestEvent.getRequest());
 
         responsetry.addHeader((ViaHeader) requestEvent.getRequest().getHeader("Via"));
@@ -180,13 +179,15 @@ public class VoIP implements SipListenerExt
         responsetry.addHeader(allow);
         this.sipProvider.sendResponse(responsetry);
         System.out.println("Trying ist raus");
-        //Ringing
+
+        //Ringing Message to Server (Responste Ringing)
         Response responsering = this.messageFactory.createResponse(180, requestEvent.getRequest());
         responsering.addHeader((ViaHeader) requestEvent.getRequest().getHeader("Via"));
         responsering.addHeader((FromHeader) requestEvent.getRequest().getHeader("From"));
 
         ToHeader temptoring = (ToHeader) requestEvent.getRequest().getHeader("To");
-        temptoring.setTag(String.valueOf(this.tag+Math.random())); //evtl. besseren Tag
+        String tempTag = String.valueOf(this.tag + Math.random());
+        temptoring.setTag(tempTag); //evtl. besseren Tag
         responsering.addHeader(temptoring);
 
         responsering.addHeader((CSeqHeader) requestEvent.getRequest().getHeader("Cseq"));
@@ -196,26 +197,75 @@ public class VoIP implements SipListenerExt
 
         AllowEventsHeader allowevent = this.headerFactory.createAllowEventsHeader("talk,hold");// für was gebraucht
         responsering.addHeader(allowevent);
-        
         this.sipProvider.sendResponse(responsering);
         System.out.println("Response ist raus");
+
+        System.out.println("Erstelle 200 Ok + SDP Header(contentHeader)");
         //Jetzt kommt 200 Ok SIP Header + SDP (SIP/SDP)
         //Sdp Header erstellen nächster Schritt
+        System.out.println(requestEvent.getDialog());
+        Response okandSDP = this.messageFactory.createResponse(Response.OK, requestEvent.getRequest());
+        //okandSDP.addHeader((ViaHeader) requestEvent.getRequest().getHeader("Via"));
+        okandSDP.addHeader((FromHeader) requestEvent.getRequest().getHeader("From"));
+
+        okandSDP.addHeader(temptoring); //evtl noch Ergänzungen
+
+        okandSDP.addHeader((CSeqHeader) requestEvent.getRequest().getHeader("Cseq"));
+        okandSDP.addHeader(contactHeader);
+        okandSDP.addHeader(supp);
+        okandSDP.addHeader(allow);
+        okandSDP.addHeader(allowevent);
         ContentTypeHeader content = headerFactory.createContentTypeHeader("application", "sdp");
         
+        //Create Session Description Body 
+        SdpFactory sdpFactory = SdpFactory.getInstance();
+        SessionDescription 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
+        String sdpformat[] =
+        {
+          "0", "4", "18",
+        };
+        Vector mediavec = new Vector();
+        mediavec.add(sdpFactory.createMediaDescription("audio", 6022, 1, "RTP/AVP", sdpformat));
+        
+        //Media Attribute
+        mediavec.add(sdpFactory.createAttribute("sendrecv", null));
+        mediavec.add(sdpFactory.createAttribute("rtpmap", "0 PCMU/8000"));
+        mediavec.add(sdpFactory.createAttribute("rtpmap", "4 G723/8000"));
+        mediavec.add(sdpFactory.createAttribute("rtpmap", "18 G729A/8000"));
+        mediavec.add(sdpFactory.createAttribute("ptime", "20"));
+        
+        sessionDescription.setAttributes(mediavec);
+        
+        
+        System.out.println("---Beispiel Header---");
+        /*
+        String contentparam =  "v=0\r\n" + "o=129 1202 1202" + " IN IP4 192.168.100.247\r\n" + "s=SIP Call\r\n"
+          + "c=192.168.100.247\r\n" + "t=0 0\r\n" + "m=audio 6022 RTP/AVP 0 4 18\r\n" 
+          + "a=rtpmap:0 PCMU/8000\r\n" + "a=rtpmap:4 G723/8000\r\n" + "a=rtpmap:18 G729A/8000\r\n" +
+            "a=ptime:20\r\n";
+        */
+        okandSDP.addHeader(content);
+        okandSDP.setContent(sessionDescription, content);
+        System.out.println(okandSDP);
+        this.sipProvider.sendResponse(okandSDP);
               }
-      catch (ParseException | SipException ex)
+      catch (ParseException | SipException | SdpException ex)
       {
         Logger.getLogger(VoIP.class.getName()).log(Level.SEVERE, null, ex);
 
       }
+
     }
     else if ((Request.ACK).equals(requestEvent.getRequest().getMethod()))
     {
 
     }
 
-   
   }
 
   @Override
@@ -227,11 +277,11 @@ public class VoIP implements SipListenerExt
     if (responseEvent.getResponse().getStatusCode() == Response.UNAUTHORIZED)
     {
 
-      try {
+      try
+      {
         Address addresstob = this.addressFactory.createAddress("sip:129@192.168.100.11"); //"sip:Jan@192.168.100.11"
         ToHeader temp = (ToHeader) responseEvent.getResponse().getHeader("To");
 
-        
         ToHeader to = this.headerFactory.createToHeader(addresstob, temp.getTag()); // Integer.toString(tag)  address + tag
         URI requestURI = addresstob.getURI();
 
@@ -249,8 +299,6 @@ public class VoIP implements SipListenerExt
         auth.setURI(addresstest.getURI());
         auth.setUsername(myName);
 
-       
-        
         ArrayList via = new ArrayList(); //Via needs a List as input
         ViaHeader viaheader = this.headerFactory.createViaHeader(this.myIPAddress, this.myPort, "UDP", String.valueOf(branch + 2));// String.valueOf(hashCode())string branch
         via.add(viaheader);
@@ -261,7 +309,6 @@ public class VoIP implements SipListenerExt
         ExpiresHeader expire = this.headerFactory.createExpiresHeader(3600); //int value
 
         //Zusätzliche Register Header nach Unauthorzied
-        
         //Create Request Header
         System.out.println("----REQUEST HEADER2----");
         Request request = this.messageFactory.createRequest(requestURI, "REGISTER", callId, cSeq, from, to, via, maxForwards);
@@ -272,7 +319,8 @@ public class VoIP implements SipListenerExt
         //System.out.println(request);
         this.sipProvider.sendRequest(request);
       }
-      catch (ParseException | SipException |InvalidArgumentException ex) {
+      catch (ParseException | SipException | InvalidArgumentException ex)
+      {
         Logger.getLogger(VoIP.class.getName()).log(Level.SEVERE, null, ex);
       }