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.cassandra.repair;
  
  import java.util.List;
  
  
  import org.apache.cassandra.dht.Range;
  import org.apache.cassandra.dht.Token;
  import org.apache.cassandra.exceptions.RepairException;
  import org.apache.cassandra.locator.InetAddressAndPort;
  import org.apache.cassandra.repair.messages.SyncRequest;
  import org.apache.cassandra.streaming.PreviewKind;
  import org.apache.cassandra.streaming.SessionSummary;
  import org.apache.cassandra.tracing.Tracing;
  
  /**
   * AsymmetricRemoteSyncTask sends {@link SyncRequest} to target node to repair(stream)
   * data with other target replica.
   *
   * When AsymmetricRemoteSyncTask receives SyncComplete from the target, task completes.
   */
  public class AsymmetricRemoteSyncTask extends SyncTask implements CompletableRemoteSyncTask
  {
      public AsymmetricRemoteSyncTask(SharedContext ctx, RepairJobDesc desc, InetAddressAndPort to, InetAddressAndPort from, List<Range<Token>> differences, PreviewKind previewKind)
      {
          super(ctx, desc, to, from, differences, previewKind);
      }
  
      public void startSync()
      {
          InetAddressAndPort local = ctx.broadcastAddressAndPort();
          SyncRequest request = new SyncRequest(desc, local, nodePair.coordinator, nodePair.peer, rangesToSync, previewKind, true);
          String message = String.format("Forwarding streaming repair of %d ranges to %s (to be streamed with %s)", request.ranges.size(), request.src, request.dst);
          Tracing.traceRepair(message);
          sendRequest(request, request.src);
      }
  
      public void syncComplete(boolean success, List<SessionSummary> summaries)
      {
          if (success)
          {
              trySuccess(stat.withSummaries(summaries));
          }
          else
          {
              tryFailure(RepairException.warn(desc, previewKind, String.format("Sync failed between %s and %s", nodePair.coordinator, nodePair.peer)));
          }
      }
  
      @Override
      public String toString()
      {
          return "AsymmetricRemoteSyncTask{" +
                 "rangesToSync=" + rangesToSync +
                 ", nodePair=" + nodePair +
                 '}';
      }
  }
  