org.opennms.netmgt.dnsresolver.netty

Class NettyResolverContext

java.lang.Object

org.opennms.netmgt.dnsresolver.netty.NettyResolverContext

All Implemented Interfaces:

DnsResolver

public class NettyResolverContext
extends Object
implements DnsResolver

Asynchronous resolution using Netty. Managed by the NettyDnsResolver.

Author:

jwhite

Constructor Summary

Constructors

Constructor and Description
NettyResolverContext(NettyDnsResolver parent, ExtendedDnsCache cache, io.github.resilience4j.bulkhead.Bulkhead bulkhead, int idx)

Method Summary

Modifier and Type	Method and Description
void	destroy()
void	init()
CompletableFuture<Optional<InetAddress>>	lookup(String hostname) Perform a DNS lookup for the given hostname.
CompletableFuture<Optional<String>>	reverseLookup(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 CompletableFuture<Optional<InetAddress>> lookup(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 CompletableFuture<Optional<String>> reverseLookup(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