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/*
 * Copyright 2011-2024 GatlingCorp (https://gatling.io)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.gatling.http.client.resolver;

import io.gatling.http.client.HttpListener;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.Promise;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Arrays;
import java.util.List;

public interface InetAddressNameResolver extends AutoCloseable {

  InetAddressNameResolver JAVA_RESOLVER =
      new InetAddressNameResolver() {

        @Override
        public Future> resolveAll(
            String inetHost, Promise> promise, HttpListener listener) {
          try {
            promise.setSuccess(Arrays.asList(InetAddress.getAllByName(inetHost)));
          } catch (UnknownHostException e) {
            promise.setFailure(e);
          }
          return promise;
        }

        @Override
        public void close() {}
      };

  Future> resolveAll(
      String inetHost, Promise> promise, HttpListener listener);
}