forked from mirror/monocles_chat
retrieve DNS response from cache
(cherry picked from commit 1da9d42065d712ca68d44a0386f8477181ac103c)
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1 changed files with 3 additions and 0 deletions
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@ -70,6 +70,9 @@ public class AndroidDNSClient extends AbstractDNSClient {
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for (final DNSServer dnsServer : getDNSServers()) {
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for (final DNSServer dnsServer : getDNSServers()) {
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final QuestionServerTuple cacheKey = new QuestionServerTuple(dnsServer, question);
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final QuestionServerTuple cacheKey = new QuestionServerTuple(dnsServer, question);
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final DNSMessage cachedResponse = queryCache(cacheKey);
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final DNSMessage cachedResponse = queryCache(cacheKey);
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if (cachedResponse != null) {
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return cachedResponse;
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}
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final DNSMessage response = this.networkDataSource.query(question, dnsServer);
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final DNSMessage response = this.networkDataSource.query(question, dnsServer);
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if (response == null) {
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if (response == null) {
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continue;
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continue;
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