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.streaming;
  
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.util.concurrent.Callable;
  import java.util.concurrent.ForkJoinPool;
  import java.util.concurrent.TimeUnit;
  
  import com.google.common.util.concurrent.UncheckedTimeoutException;
  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.db.rows.UnfilteredRowIterator;
  import org.apache.cassandra.db.streaming.CassandraIncomingFile;
  import org.apache.cassandra.distributed.Cluster;
  import org.apache.cassandra.distributed.api.Feature;
  import org.apache.cassandra.io.sstable.RangeAwareSSTableWriter;
  import org.apache.cassandra.io.sstable.SSTableZeroCopyWriter;
  import org.apache.cassandra.io.util.SequentialWriter;
  import org.apache.cassandra.utils.Clock;
  import org.apache.cassandra.utils.Shared;
  import org.awaitility.Awaitility;
  
  import static net.bytebuddy.matcher.ElementMatchers.named;
  import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
  
  public class StreamFailureLogsFailureDueToSessionTimeoutTest extends AbstractStreamFailureLogs
  {
      @Test
      public void failureDueToSessionTimeout() throws IOException
      {
          try (Cluster cluster = Cluster.build(2)
                                        .withInstanceInitializer(BBStreamTimeoutHelper::install)
                                        .withConfig(c -> c.with(Feature.values())
                                                          // when die, this will try to halt JVM, which is easier to validate in the test
                                                          // other levels require checking state of the subsystems
                                                          .set("stream_transfer_task_timeout", "1ms"))
                                        .start())
          {
  
              init(cluster);
              cluster.schemaChange(withKeyspace("CREATE TABLE %s.tbl (pk int PRIMARY KEY)"));
  
              ForkJoinPool.commonPool().execute(() -> triggerStreaming(cluster));
              try
              {
                  Awaitility.await("Did not see stream running or timed out")
                            .atMost(3, TimeUnit.MINUTES)
                            .until(() -> State.STREAM_IS_RUNNING.await(false) || searchForLog(cluster.get(1), false, "Session timed out"));
              }
              finally
              {
                  State.UNBLOCK_STREAM.signal();
              }
              Awaitility.await("Unable to find 'Session timed out'")
                        .atMost(1, TimeUnit.MINUTES)
                        .until(() -> searchForLog(cluster.get(1), false, "Session timed out"));
          }
      }
  
      @Shared
      public static class State
      {
          public static final TestCondition STREAM_IS_RUNNING = new TestCondition();
          public static final TestCondition UNBLOCK_STREAM = new TestCondition();
      }
  
      @Shared
      public static class TestCondition
      {
          private volatile boolean signaled = false;
  
          public void await()
          {
              await(true);
          }
  
          public boolean await(boolean throwOnTimeout)
          {
              long deadlineNanos = Clock.Global.nanoTime() + TimeUnit.MINUTES.toNanos(1);
              while (!signaled)
              {
                  long remainingMillis = TimeUnit.NANOSECONDS.toMillis(deadlineNanos - Clock.Global.nanoTime());
                  if (remainingMillis <= 0)
                  {
                      if (throwOnTimeout) throw new UncheckedTimeoutException("Condition not met within 1 minute");
                      return false;
                  }
                  // await may block signal from triggering notify, so make sure not to block for more than 500ms
                  remainingMillis = Math.min(remainingMillis, 500);
                  synchronized (this)
                  {
                      try
                      {
                          this.wait(remainingMillis);
                      }
                      catch (InterruptedException e)
                      {
                          throw new AssertionError(e);
                      }
                  }
              }
              return true;
          }
  
          public void signal()
          {
              signaled = true;
              synchronized (this)
              {
                  this.notify();
              }
          }
      }
  
      public static class BBStreamTimeoutHelper
      {
          @SuppressWarnings("unused")
          public static int writeDirectlyToChannel(ByteBuffer buf, @SuperCall Callable<Integer> zuper) throws Exception
          {
              if (isCaller(SSTableZeroCopyWriter.class.getName(), "write"))
              {
                  State.STREAM_IS_RUNNING.signal();
                  State.UNBLOCK_STREAM.await();
              }
              // different context; pass through
              return zuper.call();
          }
  
          @SuppressWarnings("unused")
          public static boolean append(UnfilteredRowIterator partition, @SuperCall Callable<Boolean> zuper) throws Exception
          {
              if (isCaller(CassandraIncomingFile.class.getName(), "read")) // handles compressed and non-compressed
              {
                  State.STREAM_IS_RUNNING.signal();
                  State.UNBLOCK_STREAM.await();
              }
              // different context; pass through
              return zuper.call();
          }
  
          public static void install(ClassLoader classLoader, Integer num)
          {
              if (num != FAILING_NODE)
                  return;
              new ByteBuddy().rebase(SequentialWriter.class)
                             .method(named("writeDirectlyToChannel").and(takesArguments(1)))
                             .intercept(MethodDelegation.to(BBStreamTimeoutHelper.class))
                             .make()
                             .load(classLoader, ClassLoadingStrategy.Default.INJECTION);
  
              new ByteBuddy().rebase(RangeAwareSSTableWriter.class)
                             .method(named("append").and(takesArguments(1)))
                             .intercept(MethodDelegation.to(BBStreamTimeoutHelper.class))
                             .make()
                             .load(classLoader, ClassLoadingStrategy.Default.INJECTION);
          }
  
      }
  }
  