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.db;
  
  import java.io.IOException;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.Collections;
  
  import org.junit.Before;
  import org.junit.BeforeClass;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.Parameterized;
  import org.junit.runners.Parameterized.Parameters;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import org.apache.cassandra.SchemaLoader;
  import org.apache.cassandra.Util;
  import org.apache.cassandra.config.DatabaseDescriptor;
  import org.apache.cassandra.config.ParameterizedClass;
  import org.apache.cassandra.db.commitlog.CommitLog;
  import org.apache.cassandra.db.compaction.CompactionManager;
  import org.apache.cassandra.exceptions.ConfigurationException;
  import org.apache.cassandra.io.compress.DeflateCompressor;
  import org.apache.cassandra.io.compress.LZ4Compressor;
  import org.apache.cassandra.io.compress.SnappyCompressor;
  import org.apache.cassandra.io.compress.ZstdCompressor;
  import org.apache.cassandra.schema.KeyspaceParams;
  import org.apache.cassandra.schema.Schema;
  import org.apache.cassandra.schema.SchemaConstants;
  import org.apache.cassandra.security.EncryptionContext;
  import org.apache.cassandra.security.EncryptionContextGenerator;
  
  @RunWith(Parameterized.class)
  public class RecoveryManagerFlushedTest
  {
      private static Logger logger = LoggerFactory.getLogger(RecoveryManagerFlushedTest.class);
  
      private static final String KEYSPACE1 = "RecoveryManager2Test";
      private static final String CF_STANDARD1 = "Standard1";
      private static final String CF_STANDARD2 = "Standard2";
  
      public RecoveryManagerFlushedTest(ParameterizedClass commitLogCompression, EncryptionContext encryptionContext)
      {
          DatabaseDescriptor.setCommitLogCompression(commitLogCompression);
          DatabaseDescriptor.setEncryptionContext(encryptionContext);
          DatabaseDescriptor.initializeCommitLogDiskAccessMode();
      }
  
      @Parameters()
      public static Collection<Object[]> generateData()
      {
          return Arrays.asList(new Object[][]{
              {null, EncryptionContextGenerator.createDisabledContext()}, // No compression, no encryption
              {null, EncryptionContextGenerator.createContext(true)}, // Encryption
              {new ParameterizedClass(LZ4Compressor.class.getName(), Collections.emptyMap()), EncryptionContextGenerator.createDisabledContext()},
              {new ParameterizedClass(SnappyCompressor.class.getName(), Collections.emptyMap()), EncryptionContextGenerator.createDisabledContext()},
              {new ParameterizedClass(DeflateCompressor.class.getName(), Collections.emptyMap()), EncryptionContextGenerator.createDisabledContext()},
              {new ParameterizedClass(ZstdCompressor.class.getName(), Collections.emptyMap()), EncryptionContextGenerator.createDisabledContext()}});
      }
  
      @Before
      public void setUp() throws IOException
      {
          CommitLog.instance.resetUnsafe(true);
      }
  
      @BeforeClass
      public static void defineSchema() throws ConfigurationException
      {
          SchemaLoader.prepareServer();
          SchemaLoader.createKeyspace(KEYSPACE1,
                                      KeyspaceParams.simple(1),
                                      SchemaLoader.standardCFMD(KEYSPACE1, CF_STANDARD1),
                                      SchemaLoader.standardCFMD(KEYSPACE1, CF_STANDARD2));
      }
  
      @Test
      /* test that commit logs do not replay flushed data */
      public void testWithFlush() throws Exception
      {
          // Flush everything that may be in the commit log now to start fresh
          CompactionManager.instance.disableAutoCompaction();
          for (String ks : Schema.instance.getKeyspaces())
              Util.flush(Keyspace.open(ks));
  
          // add a row to another CF so we test skipping mutations within a not-entirely-flushed CF
          insertRow("Standard2", "key");
  
          for (int i = 0; i < 100; i++)
          {
              String key = "key" + i;
              insertRow("Standard1", key);
          }
  
          Keyspace keyspace1 = Keyspace.open(KEYSPACE1);
          ColumnFamilyStore cfs = keyspace1.getColumnFamilyStore("Standard1");
          logger.debug("forcing flush");
          // Flush everything that may be in the commit log now to start fresh
          Util.flush(cfs);
          // Flush system keyspace again because of sstable activity mutation called by the tidier
          Util.flushKeyspace(SchemaConstants.SYSTEM_KEYSPACE_NAME);
  
          logger.debug("begin manual replay");
          // replay the commit log (nothing on Standard1 should be replayed since everything was flushed, so only the row on Standard2
          // will be replayed)
          int replayed = CommitLog.instance.resetUnsafe(false);
          assert replayed == 1 : "Expecting only 1 replayed mutation, got " + replayed;
      }
  
      private void insertRow(String cfname, String key)
      {
          Keyspace keyspace = Keyspace.open(KEYSPACE1);
          ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(cfname);
          new RowUpdateBuilder(cfs.metadata(), 0, key)
              .clustering("c")
              .add("val", "val1")
              .build()
              .apply();
      }
  }
  