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.distributed.test;
  
  import java.util.concurrent.Callable;
  import java.util.concurrent.CompletableFuture;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicBoolean;
  
  import org.junit.Assert;
  import org.junit.Test;
  
  import net.bytebuddy.ByteBuddy;
  import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;
  import net.bytebuddy.implementation.MethodDelegation;
  import net.bytebuddy.implementation.bind.annotation.SuperCall;
  import org.apache.cassandra.config.Config;
  import org.apache.cassandra.distributed.Cluster;
  import org.apache.cassandra.distributed.api.ConsistencyLevel;
  import org.apache.cassandra.metrics.InternodeOutboundMetrics;
  import org.apache.cassandra.transport.Dispatcher;
  
  import static net.bytebuddy.matcher.ElementMatchers.named;
  import static org.apache.cassandra.distributed.api.Feature.GOSSIP;
  import static org.apache.cassandra.distributed.api.Feature.NATIVE_PROTOCOL;
  import static org.apache.cassandra.distributed.api.Feature.NETWORK;
  
  public class MessageTimestampTest extends TestBaseImpl
  {
      @Test
      public void testFinishInProgressQueries() throws Throwable
      {
          ExecutorService executor = Executors.newCachedThreadPool();
          try (Cluster cluster = init(Cluster.build().withNodes(2)
                                             .withInstanceInitializer(EnqueuedInThePast::install)
                                             .withConfig(config -> config.with(GOSSIP, NETWORK, NATIVE_PROTOCOL)
                                                                         .set("native_transport_max_threads", 2)
                                                                         .set("read_request_timeout_in_ms", 5000)
                                                                         .set("cql_start_time", Config.CQLStartTime.QUEUE)
                                             )
                                             .start()))
          {
              cluster.schemaChange(withKeyspace("CREATE TABLE %s.tbl (pk int PRIMARY KEY, v int)"));
  
              long expiredBefore = cluster.get(1).callsOnInstance(() -> InternodeOutboundMetrics.totalExpiredCallbacks.getCount()).call();
  
              cluster.get(1).runOnInstance(() -> {
                  Assert.assertTrue(EnqueuedInThePast.enabled.compareAndSet(false, true));
              });
              CompletableFuture.supplyAsync(() -> cluster.coordinator(1).execute("select * from " + KEYSPACE + ".tbl where pk = " + 1, ConsistencyLevel.ALL), executor);
              CompletableFuture.supplyAsync(() -> cluster.coordinator(1).execute("select * from " + KEYSPACE + ".tbl where pk = " + 2, ConsistencyLevel.ALL), executor) ;
  
              long deadline = System.nanoTime() + TimeUnit.SECONDS.toNanos(10);
              long expiredAfter = 0;
              while (System.nanoTime() < deadline) {
                  long computed = cluster.get(1).callsOnInstance(() -> InternodeOutboundMetrics.totalExpiredCallbacks.getCount()).call();
                  if (computed > expiredBefore)
                  {
                      expiredAfter = computed;
                      break;
                  }
              }
  
              Assert.assertTrue(String.format("%d should be larger than %d", expiredAfter, expiredBefore),
                                expiredAfter > expiredBefore);
  
  
          }
      }
  
      public static class EnqueuedInThePast
      {
          static AtomicBoolean enabled = new AtomicBoolean(false);
  
          static void install(ClassLoader cl, int nodeNumber)
          {
              new ByteBuddy().rebase(Dispatcher.RequestTime.class)
                             .method(named("enqueuedAtNanos"))
                             .intercept(MethodDelegation.to(EnqueuedInThePast.class))
                             .make()
                             .load(cl, ClassLoadingStrategy.Default.INJECTION);
          }
  
          public static long enqueuedAtNanos(@SuperCall Callable<Long> r) throws Exception
          {
              if (enabled.get())
              {
                  return System.nanoTime() - TimeUnit.SECONDS.toNanos(30);
              }
              return r.call();
          }
      }
  }
  