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Code Issues Releases Wiki Activity

prefer ipv4 over ipv6

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This commit is contained in:
Daniel Gultsch 2017-07-09 19:05:23 +02:00
parent 67bc032ccc
commit c400f74918
1 changed files with 7 additions and 0 deletions
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7
src/main/java/eu/siacs/conversations/utils/Resolver.java
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@ -5,6 +5,7 @@ import android.support.annotation.NonNull;
import android.util.Log;
import java.io.IOException;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.Collections;
@ -157,6 +158,12 @@ public class Resolver {
if (directTls == result.directTls) {
if (ip == null && result.ip == null) {
return 0;
} else if (ip != null && result.ip != null) {
if (ip instanceof Inet4Address && result.ip instanceof Inet4Address) {
return 0;
} else {
return ip instanceof Inet4Address ? -1 : 1;
}
} else {
return ip != null ? -1 : 1;
}