106 lines
3.9 KiB
Java
106 lines
3.9 KiB
Java
package eu.siacs.conversations.xmpp.jingle;
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import android.util.Log;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableMap;
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import java.util.Collection;
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import java.util.Map;
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import eu.siacs.conversations.Config;
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import eu.siacs.conversations.xml.Element;
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import eu.siacs.conversations.xml.Namespace;
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import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
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import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
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import rocks.xmpp.addr.Jid;
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public class JingleRtpConnection extends AbstractJingleConnection {
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private static final Map<State, Collection<State>> VALID_TRANSITIONS;
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static {
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final ImmutableMap.Builder<State, Collection<State>> transitionBuilder = new ImmutableMap.Builder<>();
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transitionBuilder.put(State.NULL, ImmutableList.of(State.PROPOSED, State.SESSION_INITIALIZED));
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transitionBuilder.put(State.PROPOSED, ImmutableList.of(State.ACCEPTED, State.PROCEED));
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VALID_TRANSITIONS = transitionBuilder.build();
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}
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private State state = State.NULL;
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public JingleRtpConnection(JingleConnectionManager jingleConnectionManager, Id id, Jid initiator) {
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super(jingleConnectionManager, id, initiator);
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}
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@Override
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void deliverPacket(final JinglePacket jinglePacket) {
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Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": packet delivered to JingleRtpConnection");
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Log.d(Config.LOGTAG, jinglePacket.toString());
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}
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void deliveryMessage(final Jid to, final Jid from, final Element message) {
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Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": delivered message to JingleRtpConnection " + message);
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final boolean originatedFromMyself = from.asBareJid().equals(id.account.getJid().asBareJid());
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switch (message.getName()) {
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case "propose":
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if (originatedFromMyself) {
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Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": saw proposal from mysql. ignoring");
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} else if (transition(State.PROPOSED)) {
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//TODO start ringing or something
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pickUpCall();
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} else {
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Log.d(Config.LOGTAG, id.account.getJid() + ": ignoring session proposal because already in " + state);
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}
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break;
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default:
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break;
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}
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}
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public void pickUpCall() {
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switch (this.state) {
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case PROPOSED:
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pickupCallFromProposed();
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break;
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case SESSION_INITIALIZED:
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pickupCallFromSessionInitialized();
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break;
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default:
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throw new IllegalStateException("Can not pick up call from " + this.state);
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}
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}
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private void pickupCallFromProposed() {
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transitionOrThrow(State.PROCEED);
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final MessagePacket messagePacket = new MessagePacket();
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messagePacket.setTo(id.with);
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//Note that Movim needs 'accept'
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messagePacket.addChild("proceed", Namespace.JINGLE_MESSAGE).setAttribute("id", id.sessionId);
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Log.d(Config.LOGTAG, messagePacket.toString());
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xmppConnectionService.sendMessagePacket(id.account, messagePacket);
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}
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private void pickupCallFromSessionInitialized() {
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}
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private synchronized boolean transition(final State target) {
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final Collection<State> validTransitions = VALID_TRANSITIONS.get(this.state);
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if (validTransitions != null && validTransitions.contains(target)) {
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this.state = target;
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Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": transitioned into " + target);
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return true;
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} else {
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return false;
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}
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}
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private void transitionOrThrow(final State target) {
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if (!transition(target)) {
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throw new IllegalStateException(String.format("Unable to transition from %s to %s", this.state, target));
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}
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}
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}
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