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make jingle state transitions less error prone

This commit is contained in:
Daniel Gultsch 2019-11-08 22:27:14 +01:00
parent 63cc5f96ed
commit 8e42d0d39c
1 changed files with 28 additions and 2 deletions
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30
src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnection.java
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@ -71,6 +71,8 @@ public class JingleConnection implements Transferable {
private Element fileOffer;
private DownloadableFile file = null;
private boolean proxyActivationFailed = false;
private String contentName;
private String contentCreator;
private Transport initialTransport;
@ -175,6 +177,7 @@ public class JingleConnection implements Transferable {
@Override
public void failed() {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": proxy activation failed");
proxyActivationFailed = true;
if (initiating()) {
sendFallbackToIbb();
}
@ -700,6 +703,11 @@ public class JingleConnection implements Transferable {
}
private void receiveAccept(JinglePacket packet) {
if (responding()) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received out of order session-accept (we were responding)");
respondToIqWithOutOfOrder(packet);
return;
}
if (this.mJingleStatus != JINGLE_STATUS_INITIATED) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received out of order session-accept");
respondToIqWithOutOfOrder(packet);
@ -909,6 +917,16 @@ public class JingleConnection implements Transferable {
private void receiveFallbackToIbb(JinglePacket packet) {
if (initiating()) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received out of order transport-replace (we were initiating)");
respondToIqWithOutOfOrder(packet);
return;
}
if (mJingleStatus != JINGLE_STATUS_ACCEPTED && !proxyActivationFailed) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received out of order transport-replace");
respondToIqWithOutOfOrder(packet);
return;
}
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": receiving fallback to ibb");
final String receivedBlockSize = packet.getJingleContent().ibbTransport().getAttribute("block-size");
if (receivedBlockSize != null) {
@ -947,6 +965,16 @@ public class JingleConnection implements Transferable {
}
private void receiveTransportAccept(JinglePacket packet) {
if (responding()) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received out of order transport-accept (we were responding)");
respondToIqWithOutOfOrder(packet);
return;
}
if (this.mJingleStatus != JINGLE_STATUS_ACCEPTED) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received out of order transport-accept");
respondToIqWithOutOfOrder(packet);
return;
}
if (packet.getJingleContent().hasIbbTransport()) {
final Element ibbTransport = packet.getJingleContent().ibbTransport();
final String receivedBlockSize = ibbTransport.getAttribute("block-size");
@ -970,8 +998,6 @@ public class JingleConnection implements Transferable {
//might be receive instead if we are not initiating
if (initiating()) {
this.transport.connect(onIbbTransportConnected);
} else {
this.transport.receive(file, onFileTransmissionStatusChanged);
}
} else {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received invalid transport-accept");