clear dns cache on network switch
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9a7fc3d9b8
commit
ff756647a9
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@ -657,6 +657,7 @@ public class XmppConnectionService extends Service {
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if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
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resetAllAttemptCounts(true, false);
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}
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Resolver.clearCache();
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}
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break;
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case Intent.ACTION_SHUTDOWN:
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@ -16,10 +16,12 @@ import java.util.Collections;
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import java.util.List;
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import de.measite.minidns.AbstractDNSClient;
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import de.measite.minidns.DNSCache;
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import de.measite.minidns.DNSClient;
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import de.measite.minidns.DNSName;
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import de.measite.minidns.Question;
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import de.measite.minidns.Record;
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import de.measite.minidns.cache.LRUCache;
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import de.measite.minidns.dnssec.DNSSECResultNotAuthenticException;
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import de.measite.minidns.dnsserverlookup.AndroidUsingExec;
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import de.measite.minidns.hla.DnssecResolverApi;
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@ -68,9 +70,7 @@ public class Resolver {
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final Field useHardcodedDnsServers = DNSClient.class.getDeclaredField("useHardcodedDnsServers");
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useHardcodedDnsServers.setAccessible(true);
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useHardcodedDnsServers.setBoolean(dnsClient, false);
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} catch (NoSuchFieldException e) {
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Log.e(Config.LOGTAG, "Unable to disable hardcoded DNS servers", e);
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} catch (IllegalAccessException e) {
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} catch (NoSuchFieldException | IllegalAccessException e) {
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Log.e(Config.LOGTAG, "Unable to disable hardcoded DNS servers", e);
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}
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}
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@ -93,6 +93,15 @@ public class Resolver {
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}
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}
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public static void clearCache() {
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final AbstractDNSClient client = ResolverApi.INSTANCE.getClient();
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final DNSCache dnsCache = client.getCache();
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if (dnsCache instanceof LRUCache) {
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Log.d(Config.LOGTAG,"clearing DNS cache");
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((LRUCache) dnsCache).clear();
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}
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}
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public static boolean useDirectTls(final int port) {
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return port == 443 || port == 5223;
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@ -105,7 +114,7 @@ public class Resolver {
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}
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final List<Result> results = new ArrayList<>();
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final List<Result> fallbackResults = new ArrayList<>();
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Thread[] threads = new Thread[3];
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final Thread[] threads = new Thread[3];
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threads[0] = new Thread(() -> {
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try {
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final List<Result> list = resolveSrv(domain, true);
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@ -132,7 +141,7 @@ public class Resolver {
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fallbackResults.addAll(list);
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}
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});
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for (Thread thread : threads) {
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for (final Thread thread : threads) {
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thread.start();
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}
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try {
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