1632: Stop doing reverse DNS lookups

client/src/main/java/org/asynchttpclient/netty/channel/ChannelManager.java

@@ -481,7 +481,7 @@ public EventLoopGroup getEventLoopGroup() {
 
   public ClientStats getClientStats() {
     Map<String, Long> totalConnectionsPerHost = openChannels.stream().map(Channel::remoteAddress).filter(a -> a.getClass() == InetSocketAddress.class)
-            .map(a -> (InetSocketAddress) a).map(InetSocketAddress::getHostName).collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));
+            .map(a -> (InetSocketAddress) a).map(InetSocketAddress::getHostString).collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));
     Map<String, Long> idleConnectionsPerHost = channelPool.getIdleChannelCountPerHost();
     Map<String, HostStats> statsPerHost = totalConnectionsPerHost.entrySet().stream().collect(Collectors.toMap(Entry::getKey, entry -> {
       final long totalConnectionCount = entry.getValue();

client/src/main/java/org/asynchttpclient/netty/channel/DefaultChannelPool.java

@@ -222,7 +222,7 @@ public Map<String, Long> getIdleChannelCountPerHost() {
             .map(idle -> idle.getChannel().remoteAddress())
             .filter(a -> a.getClass() == InetSocketAddress.class)
             .map(a -> (InetSocketAddress) a)
-            .map(InetSocketAddress::getHostName)
+            .map(InetSocketAddress::getHostString)
             .collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));
   }
 

client/src/main/java/org/asynchttpclient/netty/timeout/TimeoutTimerTask.java

@@ -55,7 +55,7 @@ public void clean() {
 
   void appendRemoteAddress(StringBuilder sb) {
     InetSocketAddress remoteAddress = timeoutsHolder.remoteAddress();
-    sb.append(remoteAddress.getHostName());
+    sb.append(remoteAddress.getHostString());
     if (!remoteAddress.isUnresolved()) {
       sb.append('/').append(remoteAddress.getAddress().getHostAddress());
     }

client/src/main/java/org/asynchttpclient/resolver/RequestHostnameResolver.java

@@ -35,7 +35,7 @@ public enum RequestHostnameResolver {
 
   public Future<List<InetSocketAddress>> resolve(NameResolver<InetAddress> nameResolver, InetSocketAddress unresolvedAddress, AsyncHandler<?> asyncHandler) {
 
-    final String hostname = unresolvedAddress.getHostName();
+    final String hostname = unresolvedAddress.getHostString();
     final int port = unresolvedAddress.getPort();
     final Promise<List<InetSocketAddress>> promise = ImmediateEventExecutor.INSTANCE.newPromise();
 

client/src/main/java/org/asynchttpclient/util/ProxyUtils.java

@@ -156,7 +156,7 @@ private static ProxyServerSelector createProxyServerSelector(final ProxySelector
                     return null;
                   } else {
                     InetSocketAddress address = (InetSocketAddress) proxy.address();
-                    return proxyServer(address.getHostName(), address.getPort()).build();
+                    return proxyServer(address.getHostString(), address.getPort()).build();
                   }
                 case DIRECT:
                   return null;