netty5/resolver-dns/src/test/java/io/netty/resolver/dns
Norman Maurer 211dde4e08 Add support for TCP fallback when we receive a truncated DnsResponse (#9139)
Motivation:

Sometimes DNS responses can be very large which mean they will not fit in a UDP packet. When this is happening the DNS server will set the TC flag (truncated flag) to tell the resolver that the response was truncated. When a truncated response was received we should allow to retry via TCP and use the received response (if possible) as a replacement for the truncated one.

See https://tools.ietf.org/html/rfc7766.

Modifications:

- Add support for TCP fallback by allow to specify a socketChannelFactory / socketChannelType on the DnsNameResolverBuilder. If this is set to something different then null we will try to fallback to TCP.
- Add decoder / encoder for TCP
- Add unit tests

Result:

Support for TCP fallback as defined by https://tools.ietf.org/html/rfc7766 when using DnsNameResolver.
2019-05-17 14:47:10 +02:00
..
DefaultAuthoritativeDnsServerCacheTest.java migrate java8: use lambda and method reference (#8781) 2019-01-29 14:06:05 +01:00
DefaultDnsCacheTest.java migrate java8: use lambda and method reference (#8781) 2019-01-29 14:06:05 +01:00
DefaultDnsCnameCacheTest.java migrate java8: use lambda and method reference (#8781) 2019-01-29 14:06:05 +01:00
DnsNameResolverClientSubnetTest.java remove unused import statement (#8792) 2019-01-28 16:50:15 +01:00
DnsNameResolverTest.java Add support for TCP fallback when we receive a truncated DnsResponse (#9139) 2019-05-17 14:47:10 +02:00
DnsServerAddressesTest.java Java 8 migration: Use diamond operator (#8749) 2019-01-22 16:07:26 +01:00
NameServerComparatorTest.java Java 8 migration: Use diamond operator (#8749) 2019-01-22 16:07:26 +01:00
PreferredAddressTypeComparatorTest.java DnsNameResolver.resolveAll(...) should also contain non preferred addresses (#9044) 2019-04-15 10:33:04 +02:00
SearchDomainTest.java migrate java8 (#8779) 2019-01-28 05:55:30 +01:00
TestDnsServer.java DnsNameResolver should log in trace level if notification of the promise fails (#9022) 2019-04-10 07:14:18 +02:00
UnixResolverDnsServerAddressStreamProviderTest.java Correctly parse /etc/resolv.conf when contain multiple entries for searchdomain. (#8351) 2018-10-12 05:00:32 +02:00