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Added option to prefer IPv4

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M66B
2020-10-27 13:22:23 +01:00
parent f58182f2a4
commit b051aaf41e
5 changed files with 37 additions and 3 deletions
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12
app/src/main/java/eu/faircode/email/EmailService.java
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@@ -431,6 +431,18 @@ public class EmailService implements AutoCloseable {
// new SocketConnectException("Debug", new IOException("Test"), host, port, 0));
main = InetAddress.getByName(host);
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
boolean prefer_ip4 = prefs.getBoolean("prefer_ip4", false);
if (prefer_ip4 && main instanceof Inet6Address) {
for (InetAddress iaddr : InetAddress.getAllByName(host))
if (iaddr instanceof Inet4Address) {
main = iaddr;
EntityLog.log(context, "Preferring=" + main);
break;
}
}
EntityLog.log(context, "Connecting to " + main);
_connect(main, port, require_id, user, authenticator, factory);
} catch (UnknownHostException ex) {