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.consistent;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.cassandra.locator.InetAddressAndPort;
  import org.apache.cassandra.net.ConnectionType;
  import org.apache.cassandra.net.Message;
  import org.apache.cassandra.net.MessageDelivery;
  import org.apache.cassandra.net.NoPayload;
  import org.apache.cassandra.net.RequestCallback;
  import org.apache.cassandra.net.Verb;
  import org.apache.cassandra.repair.messages.RepairMessage;
  import org.apache.cassandra.utils.concurrent.Future;
  
  class MockMessaging implements MessageDelivery
  {
      Map<InetAddressAndPort, List<RepairMessage>> sentMessages = new HashMap<>();
      Map<InetAddressAndPort, Integer> acks = new HashMap<>();
      Map<InetAddressAndPort, Integer> failures = new HashMap<>();
  
      @Override
      public <REQ> void send(Message<REQ> message, InetAddressAndPort destination)
      {
          if (message.verb() == Verb.REPAIR_RSP && message.payload instanceof NoPayload)
          {
              acks.compute(destination, (ignore, accum) -> accum == null ? 1 : accum + 1);
              return;
          }
          if (message.verb() == Verb.FAILURE_RSP)
          {
              failures.compute(destination, (ignore, accum) -> accum ==  null ? 1 : accum + 1);
              return;
          }
          if (!(message.payload instanceof RepairMessage))
              throw new AssertionError("Unexpected message: " + message);
  
          if (!sentMessages.containsKey(destination))
          {
              sentMessages.put(destination, new ArrayList<>());
          }
          sentMessages.get(destination).add((RepairMessage) message.payload);
      }
  
      @Override
      public <REQ, RSP> void sendWithCallback(Message<REQ> message, InetAddressAndPort to, RequestCallback<RSP> cb)
      {
          send(message, to);
      }
  
      @Override
      public <REQ, RSP> void sendWithCallback(Message<REQ> message, InetAddressAndPort to, RequestCallback<RSP> cb, ConnectionType specifyConnection)
      {
          send(message, to);
      }
  
      @Override
      public <REQ, RSP> Future<Message<RSP>> sendWithResult(Message<REQ> message, InetAddressAndPort to)
      {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public <V> void respond(V response, Message<?> message)
      {
          throw new UnsupportedOperationException();
      }
  }
  