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implement session accept

This commit is contained in:
Daniel Gultsch 2020-04-06 15:45:06 +02:00
parent 9dfa9df790
commit 22c755c5ce
3 changed files with 147 additions and 83 deletions
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53
src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java
View File

@ -57,6 +57,9 @@ public class JingleRtpConnection extends AbstractJingleConnection implements Web
case TRANSPORT_INFO:
receiveTransportInfo(jinglePacket);
break;
case SESSION_ACCEPT:
receiveSessionAccept(jinglePacket);
break;
default:
Log.d(Config.LOGTAG, String.format("%s: received unhandled jingle action %s", id.account.getJid().asBareJid(), jinglePacket.getAction()));
break;
@ -72,8 +75,8 @@ public class JingleRtpConnection extends AbstractJingleConnection implements Web
Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": improperly formatted contents", e);
return;
}
//TODO pick proper rtpContentMap
final Group originalGroup = this.initiatorRtpContentMap != null ? this.initiatorRtpContentMap.group : null;
final RtpContentMap rtpContentMap = isInitiator() ? this.initiatorRtpContentMap : this.responderRtpContentMap;
final Group originalGroup = rtpContentMap != null ? rtpContentMap.group : null;
final List<String> identificationTags = originalGroup == null ? Collections.emptyList() : originalGroup.getIdentificationTags();
if (identificationTags.size() == 0) {
Log.w(Config.LOGTAG, id.account.getJid().asBareJid() + ": no identification tags found in initial offer. we won't be able to calculate mLineIndices");
@ -128,10 +131,46 @@ public class JingleRtpConnection extends AbstractJingleConnection implements Web
}
}
private void receiveSessionAccept(final JinglePacket jinglePacket) {
if (!isInitiator()) {
Log.d(Config.LOGTAG, String.format("%s: received session-accept even though we were responding", id.account.getJid().asBareJid()));
//TODO respond with out-of-order
return;
}
final RtpContentMap contentMap;
try {
contentMap = RtpContentMap.of(jinglePacket);
contentMap.requireContentDescriptions();
} catch (IllegalArgumentException | IllegalStateException | NullPointerException e) {
Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": improperly formatted contents", e);
return;
}
Log.d(Config.LOGTAG, "processing session-accept with " + contentMap.contents.size() + " contents");
if (transition(State.SESSION_ACCEPTED)) {
receiveSessionAccept(contentMap);
} else {
Log.d(Config.LOGTAG, String.format("%s: received session-accept while in state %s", id.account.getJid().asBareJid(), state));
//TODO out-of-order
}
}
private void receiveSessionAccept(final RtpContentMap contentMap) {
this.responderRtpContentMap = contentMap;
org.webrtc.SessionDescription answer = new org.webrtc.SessionDescription(
org.webrtc.SessionDescription.Type.ANSWER,
SessionDescription.of(contentMap).toString()
);
try {
this.webRTCWrapper.setRemoteDescription(answer).get();
} catch (Exception e) {
Log.d(Config.LOGTAG, "unable to receive session accept", e);
}
}
private void sendSessionAccept() {
final RtpContentMap rtpContentMap = this.initiatorRtpContentMap;
if (rtpContentMap == null) {
throw new IllegalStateException("intital RTP Content Map has not been set");
throw new IllegalStateException("initiator RTP Content Map has not been set");
}
setupWebRTC();
final org.webrtc.SessionDescription offer = new org.webrtc.SessionDescription(
@ -141,10 +180,10 @@ public class JingleRtpConnection extends AbstractJingleConnection implements Web
try {
this.webRTCWrapper.setRemoteDescription(offer).get();
org.webrtc.SessionDescription webRTCSessionDescription = this.webRTCWrapper.createAnswer().get();
this.webRTCWrapper.setLocalDescription(webRTCSessionDescription);
final SessionDescription sessionDescription = SessionDescription.parse(webRTCSessionDescription.description);
final RtpContentMap respondingRtpContentMap = RtpContentMap.of(sessionDescription);
sendSessionAccept(respondingRtpContentMap);
this.webRTCWrapper.setLocalDescription(webRTCSessionDescription);
} catch (Exception e) {
Log.d(Config.LOGTAG, "unable to send session accept", e);
@ -227,8 +266,8 @@ public class JingleRtpConnection extends AbstractJingleConnection implements Web
private void sendTransportInfo(final String contentName, IceUdpTransportInfo.Candidate candidate) {
final RtpContentMap transportInfo;
try {
//TODO when responding use responderRtpContentMap
transportInfo = this.initiatorRtpContentMap.transportInfo(contentName, candidate);
final RtpContentMap rtpContentMap = isInitiator() ? this.initiatorRtpContentMap : this.responderRtpContentMap;
transportInfo = rtpContentMap.transportInfo(contentName, candidate);
} catch (Exception e) {
Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": unable to prepare transport-info from candidate for content=" + contentName);
return;
@ -301,7 +340,7 @@ public class JingleRtpConnection extends AbstractJingleConnection implements Web
@Override
public void onIceCandidate(final IceCandidate iceCandidate) {
final IceUdpTransportInfo.Candidate candidate = IceUdpTransportInfo.Candidate.fromSdpAttribute(iceCandidate.sdp);
Log.d(Config.LOGTAG, "onIceCandidate: " + iceCandidate.sdp + " mLineIndex=" + iceCandidate.sdpMLineIndex);
Log.d(Config.LOGTAG, "sending candidate: " + iceCandidate.toString());
sendTransportInfo(iceCandidate.sdpMid, candidate);
}
}

22
src/main/java/eu/siacs/conversations/xmpp/jingle/WebRTCWrapper.java
View File

@ -1,6 +1,7 @@
package eu.siacs.conversations.xmpp.jingle;
import android.content.Context;
import android.util.Log;
import com.google.common.collect.ImmutableList;
import com.google.common.util.concurrent.Futures;
@ -25,6 +26,8 @@ import java.util.List;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import eu.siacs.conversations.Config;
public class WebRTCWrapper {
private final EventCallback eventCallback;
@ -32,9 +35,15 @@ public class WebRTCWrapper {
private final PeerConnection.Observer peerConnectionObserver = new PeerConnection.Observer() {
@Override
public void onSignalingChange(PeerConnection.SignalingState signalingState) {
Log.d(Config.LOGTAG, "onSignalingChange(" + signalingState + ")");
}
@Override
public void onConnectionChange(PeerConnection.PeerConnectionState newState) {
Log.d(Config.LOGTAG, "onConnectionChange(" + newState + ")");
}
@Override
public void onIceConnectionChange(PeerConnection.IceConnectionState iceConnectionState) {
@ -62,7 +71,10 @@ public class WebRTCWrapper {
@Override
public void onAddStream(MediaStream mediaStream) {
Log.d(Config.LOGTAG, "onAddStream");
for(AudioTrack audioTrack : mediaStream.audioTracks) {
Log.d(Config.LOGTAG,"remote? - audioTrack enabled:"+audioTrack.enabled()+" state="+audioTrack.state());
}
}
@Override
@ -82,6 +94,7 @@ public class WebRTCWrapper {
@Override
public void onAddTrack(RtpReceiver rtpReceiver, MediaStream[] mediaStreams) {
Log.d(Config.LOGTAG, "onAddTrack()");
}
};
@ -105,6 +118,7 @@ public class WebRTCWrapper {
final AudioSource audioSource = peerConnectionFactory.createAudioSource(new MediaConstraints());
final AudioTrack audioTrack = peerConnectionFactory.createAudioTrack("my-audio-track", audioSource);
Log.d(Config.LOGTAG,"audioTrack enabled:"+audioTrack.enabled()+" state="+audioTrack.state());
final MediaStream stream = peerConnectionFactory.createLocalMediaStream("my-media-stream");
stream.addTrack(audioTrack);
@ -117,6 +131,8 @@ public class WebRTCWrapper {
throw new IllegalStateException("Unable to create PeerConnection");
}
peerConnection.addStream(stream);
peerConnection.setAudioPlayout(true);
peerConnection.setAudioRecording(true);
this.peerConnection = peerConnection;
}
@ -212,6 +228,10 @@ public class WebRTCWrapper {
peerConnection.addIceCandidate(iceCandidate);
}
public PeerConnection.PeerConnectionState getState() {
return this.peerConnection.connectionState();
}
private static abstract class SetSdpObserver implements SdpObserver {
@Override

147
src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/IceUdpTransportInfo.java
View File

@ -16,6 +16,7 @@ import org.checkerframework.checker.nullness.compatqual.NullableDecl;
import java.util.Collection;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
@ -30,21 +31,6 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
super("transport", Namespace.JINGLE_TRANSPORT_ICE_UDP);
}
public Fingerprint getFingerprint() {
final Element fingerprint = this.findChild("fingerprint", Namespace.JINGLE_APPS_DTLS);
return fingerprint == null ? null : Fingerprint.upgrade(fingerprint);
}
public List<Candidate> getCandidates() {
final ImmutableList.Builder<Candidate> builder = new ImmutableList.Builder<>();
for (final Element child : getChildren()) {
if ("candidate".equals(child.getName())) {
builder.add(Candidate.upgrade(child));
}
}
return builder.build();
}
public static IceUdpTransportInfo upgrade(final Element element) {
Preconditions.checkArgument("transport".equals(element.getName()), "Name of provided element is not transport");
Preconditions.checkArgument(Namespace.JINGLE_TRANSPORT_ICE_UDP.equals(element.getNamespace()), "Element does not match ice-udp transport namespace");
@ -54,12 +40,6 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
return transportInfo;
}
public IceUdpTransportInfo cloneWrapper() {
final IceUdpTransportInfo transportInfo = new IceUdpTransportInfo();
transportInfo.setAttributes(new Hashtable<>(getAttributes()));
return transportInfo;
}
public static IceUdpTransportInfo of(SessionDescription sessionDescription, SessionDescription.Media media) {
final String ufrag = Iterables.getFirst(media.attributes.get("ice-ufrag"), null);
final String pwd = Iterables.getFirst(media.attributes.get("ice-pwd"), null);
@ -78,12 +58,74 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
}
public Fingerprint getFingerprint() {
final Element fingerprint = this.findChild("fingerprint", Namespace.JINGLE_APPS_DTLS);
return fingerprint == null ? null : Fingerprint.upgrade(fingerprint);
}
public List<Candidate> getCandidates() {
final ImmutableList.Builder<Candidate> builder = new ImmutableList.Builder<>();
for (final Element child : getChildren()) {
if ("candidate".equals(child.getName())) {
builder.add(Candidate.upgrade(child));
}
}
return builder.build();
}
public IceUdpTransportInfo cloneWrapper() {
final IceUdpTransportInfo transportInfo = new IceUdpTransportInfo();
transportInfo.setAttributes(new Hashtable<>(getAttributes()));
return transportInfo;
}
public static class Candidate extends Element {
private Candidate() {
super("candidate");
}
public static Candidate upgrade(final Element element) {
Preconditions.checkArgument("candidate".equals(element.getName()));
final Candidate candidate = new Candidate();
candidate.setAttributes(element.getAttributes());
candidate.setChildren(element.getChildren());
return candidate;
}
// https://tools.ietf.org/html/draft-ietf-mmusic-ice-sip-sdp-39#section-5.1
public static Candidate fromSdpAttribute(final String attribute) {
final String[] pair = attribute.split(":", 2);
if (pair.length == 2 && "candidate".equals(pair[0])) {
final String[] segments = pair[1].split(" ");
if (segments.length >= 6) {
final String foundation = segments[0];
final String component = segments[1];
final String transport = segments[2];
final String priority = segments[3];
final String connectionAddress = segments[4];
final String port = segments[5];
final HashMap<String, String> additional = new HashMap<>();
for (int i = 6; i < segments.length - 1; i = i + 2) {
additional.put(segments[i], segments[i + 1]);
}
final Candidate candidate = new Candidate();
candidate.setAttribute("component", component);
candidate.setAttribute("foundation", foundation);
candidate.setAttribute("generation", additional.get("generation"));
candidate.setAttribute("rel-addr", additional.get("raddr"));
candidate.setAttribute("rel-port", additional.get("rport"));
candidate.setAttribute("ip", connectionAddress);
candidate.setAttribute("port", port);
candidate.setAttribute("priority", priority);
candidate.setAttribute("protocol", transport);
candidate.setAttribute("type", additional.get("typ"));
return candidate;
}
}
return null;
}
public int getComponent() {
return getAttributeAsInt("component");
}
@ -144,14 +186,6 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
}
}
public static Candidate upgrade(final Element element) {
Preconditions.checkArgument("candidate".equals(element.getName()));
final Candidate candidate = new Candidate();
candidate.setAttributes(element.getAttributes());
candidate.setChildren(element.getChildren());
return candidate;
}
public String toSdpAttribute(final String ufrag) {
final String foundation = this.getAttribute("foundation");
final String component = this.getAttribute("component");
@ -159,8 +193,12 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
final String priority = this.getAttribute("priority");
final String connectionAddress = this.getAttribute("ip");
final String port = this.getAttribute("port");
final Map<String,String> additionalParameter = new HashMap<>();
final Map<String, String> additionalParameter = new LinkedHashMap<>();
final String relAddr = this.getAttribute("rel-addr");
final String type = this.getAttribute("type");
if (type != null) {
additionalParameter.put("typ", type);
}
if (relAddr != null) {
additionalParameter.put("raddr", relAddr);
}
@ -188,52 +226,11 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
);
}
// https://tools.ietf.org/html/draft-ietf-mmusic-ice-sip-sdp-39#section-5.1
public static Candidate fromSdpAttribute(final String attribute) {
final String[] pair = attribute.split(":", 2);
if (pair.length == 2 && "candidate".equals(pair[0])) {
final String[] segments = pair[1].split(" ");
if (segments.length >= 6) {
final String foundation = segments[0];
final String component = segments[1];
final String transport = segments[2];
final String priority = segments[3];
final String connectionAddress = segments[4];
final String port = segments[5];
final HashMap<String, String> additional = new HashMap<>();
for (int i = 6; i < segments.length - 1; i = i + 2) {
additional.put(segments[i], segments[i + 1]);
}
final Candidate candidate = new Candidate();
candidate.setAttribute("component", component);
candidate.setAttribute("foundation", foundation);
candidate.setAttribute("generation", additional.get("generation"));
candidate.setAttribute("rel-addr", additional.get("raddr"));
candidate.setAttribute("rel-port", additional.get("rport"));
candidate.setAttribute("ip", connectionAddress);
candidate.setAttribute("port", port);
candidate.setAttribute("priority", priority);
candidate.setAttribute("protocol", transport);
candidate.setAttribute("type", additional.get("typ"));
return candidate;
}
}
return null;
}
}
public static class Fingerprint extends Element {
public String getHash() {
return this.getAttribute("hash");
}
public String getSetup() {
return this.getAttribute("setup");
}
private Fingerprint() {
super("fingerprint", Namespace.JINGLE_APPS_DTLS);
}
@ -269,5 +266,13 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
final Fingerprint fingerprint = of(media.attributes);
return fingerprint == null ? of(sessionDescription.attributes) : fingerprint;
}
public String getHash() {
return this.getAttribute("hash");
}
public String getSetup() {
return this.getAttribute("setup");
}
}
}