content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.master.transport;
  
  import java.net.InetSocketAddress;
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * Used to provide external proxy configuration to messaging servers/clients.
   */
  public class GrpcMessagingProxy {
    private Map<InetSocketAddress, InetSocketAddress> mProxyConf;
  
    /**
     * Creates new proxy configuration.
     */
    public GrpcMessagingProxy() {
      mProxyConf = new HashMap<>();
    }
  
    /**
     * Adds a new proxy mapping.
     *
     * @param address source address that has been proxied
     * @param proxy proxy address for source address
     * @return the updated proxy configuration
     */
    public GrpcMessagingProxy addProxy(InetSocketAddress address, InetSocketAddress proxy) {
      mProxyConf.put(address, proxy);
      return this;
    }
  
    /**
     * @param address address to check for proxy configuration
     * @return {@code true} if given address has proxy configuration
     */
    public boolean hasProxyFor(InetSocketAddress address) {
      return mProxyConf.containsKey(address);
    }
  
    /**
     * @param address source address
     * @return proxy address for given address
     */
    public InetSocketAddress getProxyFor(InetSocketAddress address) {
      return mProxyConf.get(address);
    }
  }
  