create sdp string and set on peer connection

src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java

@@ -43,6 +43,7 @@ public class JingleRtpConnection extends AbstractJingleConnection {
 
     private State state = State.NULL;
     private RtpContentMap initialRtpContentMap;
+    private PeerConnection peerConnection;
 
 
     public JingleRtpConnection(JingleConnectionManager jingleConnectionManager, Id id, Jid initiator) {
@@ -63,6 +64,7 @@ public class JingleRtpConnection extends AbstractJingleConnection {
     }
 
     private void receiveSessionInitiate(final JinglePacket jinglePacket) {
+        Log.d(Config.LOGTAG,jinglePacket.toString());
         if (isInitiator()) {
             Log.d(Config.LOGTAG, String.format("%s: received session-initiate even though we were initiating", id.account.getJid().asBareJid()));
             //TODO respond with out-of-order
@@ -104,6 +106,31 @@ public class JingleRtpConnection extends AbstractJingleConnection {
             Log.d(Config.LOGTAG, "transport: " + descriptionTransport.transport);
             Log.d(Config.LOGTAG, "fingerprint " + iceUdpTransportInfo.getFingerprint());
         }
+        setupWebRTC();
+        org.webrtc.SessionDescription sessionDescription = new org.webrtc.SessionDescription(org.webrtc.SessionDescription.Type.OFFER, SessionDescription.of(contentMap).toString());
+        Log.d(Config.LOGTAG, "debug print for sessionDescription:" + sessionDescription.description);
+        this.peerConnection.setRemoteDescription(new SdpObserver() {
+            @Override
+            public void onCreateSuccess(org.webrtc.SessionDescription sessionDescription) {
+
+            }
+
+            @Override
+            public void onSetSuccess() {
+                Log.d(Config.LOGTAG, "onSetSuccess() for setRemoteDescription");
+            }
+
+            @Override
+            public void onCreateFailure(String s) {
+
+            }
+
+            @Override
+            public void onSetFailure(String s) {
+                Log.d(Config.LOGTAG, "onSetFailure() for setRemoteDescription. " + s);
+
+            }
+        }, sessionDescription);
     }
 
     void deliveryMessage(final Jid from, final Element message) {
@@ -148,15 +175,16 @@ public class JingleRtpConnection extends AbstractJingleConnection {
     }
 
     private void sendSessionInitiate() {
-        setupWebRTC();
         Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": prepare session-initiate");
+        setupWebRTC();
+        createOffer();
     }
 
     private void sendSessionInitiate(RtpContentMap rtpContentMap) {
         this.initialRtpContentMap = rtpContentMap;
         final JinglePacket sessionInitiate = rtpContentMap.toJinglePacket(JinglePacket.Action.SESSION_INITIATE, id.sessionId);
         Log.d(Config.LOGTAG, sessionInitiate.toString());
-        Log.d(Config.LOGTAG,"here is what we think the sdp looks like"+SessionDescription.of(rtpContentMap).toString());
+        Log.d(Config.LOGTAG, "here is what we think the sdp looks like" + SessionDescription.of(rtpContentMap).toString());
         send(sessionInitiate);
     }
 
@@ -211,7 +239,7 @@ public class JingleRtpConnection extends AbstractJingleConnection {
         stream.addTrack(audioTrack);
 
 
-        PeerConnection peerConnection = peerConnectionFactory.createPeerConnection(Collections.emptyList(), new PeerConnection.Observer() {
+        this.peerConnection = peerConnectionFactory.createPeerConnection(Collections.emptyList(), new PeerConnection.Observer() {
             @Override
             public void onSignalingChange(PeerConnection.SignalingState signalingState) {
 
@@ -272,7 +300,10 @@ public class JingleRtpConnection extends AbstractJingleConnection {
         });
 
         peerConnection.addStream(stream);
+    }
 
+    private void createOffer() {
+        Log.d(Config.LOGTAG, "createOffer()");
         peerConnection.createOffer(new SdpObserver() {
 
             @Override

src/main/java/eu/siacs/conversations/xmpp/jingle/SessionDescription.java

@@ -21,7 +21,7 @@ public class SessionDescription {
 
     private final static String LINE_DIVIDER = "\r\n";
     private final static String HARDCODED_MEDIA_PROTOCOL = "UDP/TLS/RTP/SAVPF"; //probably only true for DTLS-SRTP aka when we have a fingerprint
-    private final static int HARDCODED_MEDIA_PORT = 1;
+    private final static int HARDCODED_MEDIA_PORT = 9;
     private final static String HARDCODED_ICE_OPTIONS = "trickle renomination";
     private final static String HARDCODED_CONNECTION = "IN IP4 0.0.0.0";
 
@@ -130,6 +130,8 @@ public class SessionDescription {
         final Group group = contentMap.group;
         if (group != null) {
             attributeMap.put("group", group.getSemantics() + " " + Joiner.on(' ').join(group.getIdentificationTags()));
+        } else {
+            Log.d(Config.LOGTAG,"group was null");
         }
 
         //random additional attributes
@@ -196,7 +198,7 @@ public class SessionDescription {
 
         }
         sessionDescriptionBuilder.setVersion(0);
-        sessionDescriptionBuilder.setName(" ");
+        sessionDescriptionBuilder.setName("-");
         sessionDescriptionBuilder.setMedia(mediaListBuilder.build());
         sessionDescriptionBuilder.setAttributes(attributeMap);
 
@@ -224,6 +226,8 @@ public class SessionDescription {
     public String toString() {
         final StringBuilder s = new StringBuilder()
                 .append("v=").append(version).append(LINE_DIVIDER)
+                .append("o=- 8770656990916039506 2 IN IP4 127.0.0.1").append(LINE_DIVIDER) //what ever that means
+                .append("t=0 0").append(LINE_DIVIDER)
                 .append("s=").append(name).append(LINE_DIVIDER);
         appendAttributes(s, attributes);
         for (Media media : this.media) {

src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/JinglePacket.java

@@ -43,7 +43,8 @@ public class JinglePacket extends IqPacket {
     }
 
     public Group getGroup() {
-        final Element group = this.findChild("group", Namespace.JINGLE_APPS_GROUPING);
+        final Element jingle = findChild("jingle", Namespace.JINGLE);
+        final Element group = jingle.findChild("group", Namespace.JINGLE_APPS_GROUPING);
         return group == null ? null : Group.upgrade(group);
     }