Package org.opennms.netmgt.dnsresolver.netty

Class NettyResolverContext

  • All Implemented Interfaces:
    DnsResolver
    public class NettyResolverContext
extends java.lang.Object
implements DnsResolver
    Asynchronous resolution using Netty. Managed by the NettyDnsResolver.
    Author:
    jwhite

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void destroy()  
      void init()  
      java.util.concurrent.CompletableFuture<java.util.Optional<java.net.InetAddress>> lookup​(java.lang.String hostname)
      Perform a DNS lookup for the given hostname.
      java.util.concurrent.CompletableFuture<java.util.Optional<java.lang.String>> reverseLookup​(java.net.InetAddress inetAddress)
      Perform a reverse DNS lookup for the given IP address.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • NettyResolverContext

        public NettyResolverContext​(NettyDnsResolver parent,
                            ExtendedDnsCache cache,
                            io.github.resilience4j.bulkhead.Bulkhead bulkhead,
                            int idx)

    • Method Detail

      • init

        public void init()

      • destroy

        public void destroy()

      • lookup

        public java.util.concurrent.CompletableFuture<java.util.Optional<java.net.InetAddress>> lookup​(java.lang.String hostname)
        Description copied from interface: DnsResolver
        Perform a DNS lookup for the given hostname. Returns a future that contains the lookup results. If the optional is empty the lookup was completed but no result was found.
        Specified by:
        lookup in interface DnsResolver
        Parameters:
        hostname - hostname to lookup
        Returns:
        a future

      • reverseLookup

        public java.util.concurrent.CompletableFuture<java.util.Optional<java.lang.String>> reverseLookup​(java.net.InetAddress inetAddress)
        Description copied from interface: DnsResolver
        Perform a reverse DNS lookup for the given IP address. Returns a future that contains the lookup results. If the optional is empty the lookup was completed but no result was found.
        Specified by:
        reverseLookup in interface DnsResolver
        Parameters:
        inetAddress - IP address to lookup
        Returns:
        a future