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fix Jingle FT candidate selection for equal priority. fixes #3771

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This commit is contained in:
Daniel Gultsch 2020-06-07 12:47:03 +02:00
parent c029382410
commit b78d45c7cc
2 changed files with 19 additions and 32 deletions
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3
src/main/java/eu/siacs/conversations/xmpp/jingle/JingleCandidate.java
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@ -147,7 +147,6 @@ public class JingleCandidate {
}
public String toString() {
return this.getHost() + ":" + this.getPort() + " (prio="
+ this.getPriority() + ")";
return String.format("%s:%s (priority=%s,ours=%s)", getHost(), getPort(), getPriority(), isOurs());
}
}

46
src/main/java/eu/siacs/conversations/xmpp/jingle/JingleFileTransferConnection.java
View file

@ -5,6 +5,8 @@ import android.util.Log;
import com.google.common.base.Preconditions;
import com.google.common.collect.Collections2;
import com.google.common.collect.FluentIterable;
import com.google.common.collect.Iterables;
import java.io.File;
import java.io.FileInputStream;
@ -825,8 +827,9 @@ public class JingleFileTransferConnection extends AbstractJingleConnection imple
this.sendFallbackToIbb();
}
} else {
//TODO at this point we can already close other connections to free some resources
final JingleCandidate candidate = connection.getCandidate();
Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": elected candidate " + candidate.getHost() + ":" + candidate.getPort());
Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": elected candidate " + candidate.toString());
this.mJingleStatus = JINGLE_STATUS_TRANSMITTING;
if (connection.needsActivation()) {
if (connection.getCandidate().isOurs()) {
@ -875,38 +878,23 @@ public class JingleFileTransferConnection extends AbstractJingleConnection imple
}
private JingleSocks5Transport chooseConnection() {
JingleSocks5Transport connection = null;
for (Entry<String, JingleSocks5Transport> cursor : connections
.entrySet()) {
JingleSocks5Transport currentConnection = cursor.getValue();
// Log.d(Config.LOGTAG,"comparing candidate: "+currentConnection.getCandidate().toString());
if (currentConnection.isEstablished()
&& (currentConnection.getCandidate().isUsedByCounterpart() || (!currentConnection
.getCandidate().isOurs()))) {
// Log.d(Config.LOGTAG,"is usable");
if (connection == null) {
connection = currentConnection;
} else {
if (connection.getCandidate().getPriority() < currentConnection
.getCandidate().getPriority()) {
connection = currentConnection;
} else if (connection.getCandidate().getPriority() == currentConnection
.getCandidate().getPriority()) {
// Log.d(Config.LOGTAG,"found two candidates with same priority");
final List<JingleSocks5Transport> establishedConnections = FluentIterable.from(connections.entrySet())
.transform(Entry::getValue)
.filter(c -> (c != null && c.isEstablished() && (c.getCandidate().isUsedByCounterpart() || !c.getCandidate().isOurs())))
.toSortedList((a, b) -> {
final int compare = Integer.compare(b.getCandidate().getPriority(), a.getCandidate().getPriority());
if (compare == 0) {
if (isInitiator()) {
if (currentConnection.getCandidate().isOurs()) {
connection = currentConnection;
}
//pick the one we sent a candidate-used for (meaning not ours)
return a.getCandidate().isOurs() ? 1 : -1;
} else {
if (!currentConnection.getCandidate().isOurs()) {
connection = currentConnection;
//pick the one they sent a candidate-used for (meaning ours)
return a.getCandidate().isOurs() ? -1 : 1;
}
}
}
}
}
}
return connection;
return compare;
});
return Iterables.getFirst(establishedConnections, null);
}
private void sendSuccess() {