content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.bookkeeper.client;
  
  import lombok.extern.slf4j.Slf4j;
  import org.apache.bookkeeper.common.concurrent.FutureUtils;
  import org.apache.bookkeeper.discover.BookieServiceInfo;
  import org.apache.bookkeeper.discover.RegistrationClient;
  import org.apache.bookkeeper.net.BookieId;
  import org.apache.bookkeeper.net.BookieSocketAddress;
  import org.apache.bookkeeper.proto.BookieAddressResolver;
  
  /**
   * Resolve BookieIDs to Network addresses.
   */
  @Slf4j
  public class DefaultBookieAddressResolver implements BookieAddressResolver {
  
      private final RegistrationClient registrationClient;
  
      public DefaultBookieAddressResolver(RegistrationClient registrationClient) {
          this.registrationClient = registrationClient;
      }
  
      public RegistrationClient getRegistrationClient() {
          return registrationClient;
      }
  
      @Override
      public BookieSocketAddress resolve(BookieId bookieId) {
          try {
              BookieServiceInfo info = FutureUtils.result(registrationClient.getBookieServiceInfo(bookieId)).getValue();
              BookieServiceInfo.Endpoint endpoint = info.getEndpoints()
                      .stream().filter(e -> e.getProtocol().equals("bookie-rpc")).findAny().orElse(null);
              if (endpoint == null) {
                  throw new Exception("bookie " + bookieId + " does not publish a bookie-rpc endpoint");
              }
              BookieSocketAddress res = new BookieSocketAddress(endpoint.getHost(), endpoint.getPort());
              if (!bookieId.toString().equals(res.toString())) {
                  // only print if the information is useful
                  log.info("Resolved {} as {}", bookieId, res);
              } else if (log.isDebugEnabled()) {
                  log.debug("Resolved {} as {}", bookieId, res);
              }
              return res;
          } catch (BKException.BKBookieHandleNotAvailableException ex) {
              if (BookieSocketAddress.isDummyBookieIdForHostname(bookieId)) {
                  if (log.isDebugEnabled()) {
                      log.debug("Resolving dummy bookie Id {} using legacy bookie resolver", bookieId);
                  }
                  return BookieSocketAddress.resolveLegacyBookieId(bookieId);
              }
              log.info("Cannot resolve {}, bookie is unknown {}", bookieId, ex.toString());
              throw new BookieIdNotResolvedException(bookieId, ex);
          } catch (Exception ex) {
              if (ex instanceof InterruptedException) {
                  Thread.currentThread().interrupt();
              }
              throw new BookieIdNotResolvedException(bookieId, ex);
          }
      }
  
  }
  