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Posted to commits@lucene.apache.org by da...@apache.org on 2018/11/12 11:55:52 UTC

[43/50] [abbrv] lucene-solr:jira/http2: LUCENE-8560: TestByteBuffersDirectory.testSeekPastEOF() failures with ByteArrayIndexInput. ByteArrayIndexInput removed entirely, without a replacement.

LUCENE-8560: TestByteBuffersDirectory.testSeekPastEOF() failures with ByteArrayIndexInput. ByteArrayIndexInput removed entirely, without a replacement.


Project: http://git-wip-us.apache.org/repos/asf/lucene-solr/repo
Commit: http://git-wip-us.apache.org/repos/asf/lucene-solr/commit/4e2481b0
Tree: http://git-wip-us.apache.org/repos/asf/lucene-solr/tree/4e2481b0
Diff: http://git-wip-us.apache.org/repos/asf/lucene-solr/diff/4e2481b0

Branch: refs/heads/jira/http2
Commit: 4e2481b04b31ee0e5fb368fb69b47bb3da389030
Parents: 397b88a
Author: Dawid Weiss <dw...@apache.org>
Authored: Sat Nov 10 16:54:28 2018 +0100
Committer: Dawid Weiss <dw...@apache.org>
Committed: Sat Nov 10 16:54:28 2018 +0100

----------------------------------------------------------------------
 .../lucene/store/ByteArrayIndexInput.java       | 208 -------------------
 .../lucene/store/ByteBuffersDirectory.java      |  17 +-
 .../lucene/replicator/nrt/ReplicaNode.java      |  16 +-
 .../lucene/store/BaseDirectoryTestCase.java     |  13 +-
 4 files changed, 27 insertions(+), 227 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/4e2481b0/lucene/core/src/java/org/apache/lucene/store/ByteArrayIndexInput.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/store/ByteArrayIndexInput.java b/lucene/core/src/java/org/apache/lucene/store/ByteArrayIndexInput.java
deleted file mode 100644
index 9bf5ab2..0000000
--- a/lucene/core/src/java/org/apache/lucene/store/ByteArrayIndexInput.java
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * 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.lucene.store;
-
-import java.io.EOFException;
-import java.io.IOException;
-import java.io.UncheckedIOException;
-import java.util.Locale;
-
-/**
- * A {@link IndexInput} backed by a byte array.
- * 
- * @lucene.experimental
- */
-public final class ByteArrayIndexInput extends IndexInput implements RandomAccessInput {
-  private byte[] bytes;
-
-  private final int offset;
-  private final int length;
-
-  private int pos;
-
-  public ByteArrayIndexInput(String description, byte[] bytes) {
-    this(description, bytes, 0, bytes.length);
-  }
-  
-  public ByteArrayIndexInput(String description, byte[] bytes, int offs, int length) {
-    super(description);
-    this.offset = offs;
-    this.bytes = bytes;
-    this.length = length;
-    this.pos = offs;
-  }
-
-  public long getFilePointer() {
-    return pos - offset;
-  }
-  
-  public void seek(long pos) throws EOFException {
-    int newPos = Math.toIntExact(pos + offset);
-    try {
-      if (pos < 0 || pos > length) {
-        throw new EOFException();
-      }
-    } finally {
-      this.pos = newPos;
-    }
-  }
-
-  @Override
-  public long length() {
-    return length;
-  }
-
-  @Override
-  public short readShort() {
-    return (short) (((bytes[pos++] & 0xFF) <<  8) |  (bytes[pos++] & 0xFF));
-  }
- 
-  @Override
-  public int readInt() {
-    return ((bytes[pos++] & 0xFF) << 24) | ((bytes[pos++] & 0xFF) << 16)
-      | ((bytes[pos++] & 0xFF) <<  8) |  (bytes[pos++] & 0xFF);
-  }
- 
-  @Override
-  public long readLong() {
-    final int i1 = ((bytes[pos++] & 0xff) << 24) | ((bytes[pos++] & 0xff) << 16) |
-      ((bytes[pos++] & 0xff) << 8) | (bytes[pos++] & 0xff);
-    final int i2 = ((bytes[pos++] & 0xff) << 24) | ((bytes[pos++] & 0xff) << 16) |
-      ((bytes[pos++] & 0xff) << 8) | (bytes[pos++] & 0xff);
-    return (((long)i1) << 32) | (i2 & 0xFFFFFFFFL);
-  }
-
-  @Override
-  public int readVInt() {
-    byte b = bytes[pos++];
-    if (b >= 0) return b;
-    int i = b & 0x7F;
-    b = bytes[pos++];
-    i |= (b & 0x7F) << 7;
-    if (b >= 0) return i;
-    b = bytes[pos++];
-    i |= (b & 0x7F) << 14;
-    if (b >= 0) return i;
-    b = bytes[pos++];
-    i |= (b & 0x7F) << 21;
-    if (b >= 0) return i;
-    b = bytes[pos++];
-    // Warning: the next ands use 0x0F / 0xF0 - beware copy/paste errors:
-    i |= (b & 0x0F) << 28;
-    if ((b & 0xF0) == 0) return i;
-    throw new RuntimeException("Invalid vInt detected (too many bits)");
-  }
- 
-  @Override
-  public long readVLong() {
-    byte b = bytes[pos++];
-    if (b >= 0) return b;
-    long i = b & 0x7FL;
-    b = bytes[pos++];
-    i |= (b & 0x7FL) << 7;
-    if (b >= 0) return i;
-    b = bytes[pos++];
-    i |= (b & 0x7FL) << 14;
-    if (b >= 0) return i;
-    b = bytes[pos++];
-    i |= (b & 0x7FL) << 21;
-    if (b >= 0) return i;
-    b = bytes[pos++];
-    i |= (b & 0x7FL) << 28;
-    if (b >= 0) return i;
-    b = bytes[pos++];
-    i |= (b & 0x7FL) << 35;
-    if (b >= 0) return i;
-    b = bytes[pos++];
-    i |= (b & 0x7FL) << 42;
-    if (b >= 0) return i;
-    b = bytes[pos++];
-    i |= (b & 0x7FL) << 49;
-    if (b >= 0) return i;
-    b = bytes[pos++];
-    i |= (b & 0x7FL) << 56;
-    if (b >= 0) return i;
-    throw new RuntimeException("Invalid vLong detected (negative values disallowed)");
-  }
-
-  // NOTE: AIOOBE not EOF if you read too much
-  @Override
-  public byte readByte() {
-    return bytes[pos++];
-  }
-
-  // NOTE: AIOOBE not EOF if you read too much
-  @Override
-  public void readBytes(byte[] b, int offset, int len) {
-    System.arraycopy(bytes, pos, b, offset, len);
-    pos += len;
-  }
-
-  @Override
-  public void close() {
-    bytes = null;
-  }
-
-  @Override
-  public IndexInput clone() {
-    ByteArrayIndexInput slice = slice("(cloned)" + toString(), 0, length());
-    try {
-      slice.seek(getFilePointer());
-    } catch (EOFException e) {
-      throw new UncheckedIOException(e);
-    }
-    return slice;
-  }
-
-  public ByteArrayIndexInput slice(String sliceDescription, long offset, long length) {
-    if (offset < 0 || length < 0 || offset + length > this.length) {
-      throw new IllegalArgumentException(String.format(Locale.ROOT,
-          "slice(offset=%s, length=%s) is out of bounds: %s",
-          offset, length, this));
-    }
-
-    return new ByteArrayIndexInput(sliceDescription, this.bytes, Math.toIntExact(this.offset + offset), 
-        Math.toIntExact(length));
-  }
-
-  @Override
-  public byte readByte(long pos) throws IOException {
-    return bytes[Math.toIntExact(offset + pos)];
-  }
-
-  @Override
-  public short readShort(long pos) throws IOException {
-    int i = Math.toIntExact(offset + pos);
-    return (short) (((bytes[i]     & 0xFF) << 8) |
-                     (bytes[i + 1] & 0xFF));
-  }
-
-  @Override
-  public int readInt(long pos) throws IOException {
-    int i = Math.toIntExact(offset + pos);
-    return ((bytes[i]     & 0xFF) << 24) | 
-           ((bytes[i + 1] & 0xFF) << 16) | 
-           ((bytes[i + 2] & 0xFF) <<  8) | 
-            (bytes[i + 3] & 0xFF);
-  }
-
-  @Override
-  public long readLong(long pos) throws IOException {
-    return (((long) readInt(pos)) << 32) | 
-             (readInt(pos + 4) & 0xFFFFFFFFL);
-  }
-}

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/4e2481b0/lucene/core/src/java/org/apache/lucene/store/ByteBuffersDirectory.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/store/ByteBuffersDirectory.java b/lucene/core/src/java/org/apache/lucene/store/ByteBuffersDirectory.java
index 50fbc02..d1302dc 100644
--- a/lucene/core/src/java/org/apache/lucene/store/ByteBuffersDirectory.java
+++ b/lucene/core/src/java/org/apache/lucene/store/ByteBuffersDirectory.java
@@ -68,21 +68,14 @@ public final class ByteBuffersDirectory extends BaseDirectory {
         return new ByteBuffersIndexInput(dataInput, inputName);
       };
 
-  public static final BiFunction<String, ByteBuffersDataOutput, IndexInput> OUTPUT_AS_BYTE_ARRAY = 
-      (fileName, output) -> {
-        byte[] array = output.toArrayCopy();
-        String inputName = String.format(Locale.ROOT, "%s (file=%s, length=%s)",
-            ByteArrayIndexInput.class.getSimpleName(),
-            fileName,
-            array.length);
-        return new ByteArrayIndexInput(inputName, array, 0, array.length);
-      };
+  public static final BiFunction<String, ByteBuffersDataOutput, IndexInput> OUTPUT_AS_BYTE_ARRAY = OUTPUT_AS_ONE_BUFFER;
 
   public static final BiFunction<String, ByteBuffersDataOutput, IndexInput> OUTPUT_AS_MANY_BUFFERS_LUCENE = 
       (fileName, output) -> {
         List<ByteBuffer> bufferList = output.toBufferList();
-        int chunkSizePower;
         bufferList.add(ByteBuffer.allocate(0));
+
+        int chunkSizePower;
         int blockSize = ByteBuffersDataInput.determineBlockPage(bufferList);
         if (blockSize == 0) {
           chunkSizePower = 30;
@@ -95,8 +88,8 @@ public final class ByteBuffersDirectory extends BaseDirectory {
             fileName);
 
         ByteBufferGuard guard = new ByteBufferGuard("none", (String resourceDescription, ByteBuffer b) -> {});
-        return ByteBufferIndexInput.newInstance(inputName, 
-            bufferList.toArray(new ByteBuffer [bufferList.size()]), 
+        return ByteBufferIndexInput.newInstance(inputName,
+            bufferList.toArray(new ByteBuffer [bufferList.size()]),
             output.size(), chunkSizePower, guard);
       };
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/4e2481b0/lucene/replicator/src/java/org/apache/lucene/replicator/nrt/ReplicaNode.java
----------------------------------------------------------------------
diff --git a/lucene/replicator/src/java/org/apache/lucene/replicator/nrt/ReplicaNode.java b/lucene/replicator/src/java/org/apache/lucene/replicator/nrt/ReplicaNode.java
index 29eb817..06a8a0c 100644
--- a/lucene/replicator/src/java/org/apache/lucene/replicator/nrt/ReplicaNode.java
+++ b/lucene/replicator/src/java/org/apache/lucene/replicator/nrt/ReplicaNode.java
@@ -19,6 +19,7 @@ package org.apache.lucene.replicator.nrt;
 
 import java.io.IOException;
 import java.io.PrintStream;
+import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -42,7 +43,9 @@ import org.apache.lucene.search.SearcherFactory;
 import org.apache.lucene.search.TermQuery;
 import org.apache.lucene.store.AlreadyClosedException;
 import org.apache.lucene.store.BufferedChecksumIndexInput;
-import org.apache.lucene.store.ByteArrayIndexInput;
+import org.apache.lucene.store.ByteBuffersDataInput;
+import org.apache.lucene.store.ByteBuffersIndexInput;
+import org.apache.lucene.store.ChecksumIndexInput;
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.store.IOContext;
 import org.apache.lucene.store.IndexOutput;
@@ -242,7 +245,7 @@ public abstract class ReplicaNode extends Node {
         byte[] infosBytes = job.getCopyState().infosBytes;
 
         SegmentInfos syncInfos = SegmentInfos.readCommit(dir,
-                                                         new BufferedChecksumIndexInput(new ByteArrayIndexInput("SegmentInfos", job.getCopyState().infosBytes)),
+                                                         toIndexInput(job.getCopyState().infosBytes),
                                                          job.getCopyState().gen);
 
         // Must always commit to a larger generation than what's currently in the index:
@@ -382,7 +385,7 @@ public abstract class ReplicaNode extends Node {
       // Turn byte[] back to SegmentInfos:
       byte[] infosBytes = copyState.infosBytes;
       SegmentInfos infos = SegmentInfos.readCommit(dir,
-                                                   new BufferedChecksumIndexInput(new ByteArrayIndexInput("SegmentInfos", copyState.infosBytes)),
+                                                   toIndexInput(copyState.infosBytes),
                                                    copyState.gen);
       assert infos.getVersion() == copyState.version;
 
@@ -439,6 +442,13 @@ public abstract class ReplicaNode extends Node {
                           markerCount));
   }
 
+  private ChecksumIndexInput toIndexInput(byte[] input) {
+    return new BufferedChecksumIndexInput(
+        new ByteBuffersIndexInput(
+            new ByteBuffersDataInput(
+                Arrays.asList(ByteBuffer.wrap(input))), "SegmentInfos"));
+  }
+
   /** Start a background copying job, to copy the specified files from the current primary node.  If files is null then the latest copy
    *  state should be copied.  If prevJob is not null, then the new copy job is replacing it and should 1) cancel the previous one, and
    *  2) optionally salvage e.g. partially copied and, shared with the new copy job, files. */

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/4e2481b0/lucene/test-framework/src/java/org/apache/lucene/store/BaseDirectoryTestCase.java
----------------------------------------------------------------------
diff --git a/lucene/test-framework/src/java/org/apache/lucene/store/BaseDirectoryTestCase.java b/lucene/test-framework/src/java/org/apache/lucene/store/BaseDirectoryTestCase.java
index ab2921b..e49000b 100644
--- a/lucene/test-framework/src/java/org/apache/lucene/store/BaseDirectoryTestCase.java
+++ b/lucene/test-framework/src/java/org/apache/lucene/store/BaseDirectoryTestCase.java
@@ -513,10 +513,15 @@ public abstract class BaseDirectoryTestCase extends LuceneTestCase {
       o.writeBytes(b, 0, len);
       o.close();
       IndexInput i = dir.openInput("out", newIOContext(random()));
-      expectThrows(EOFException.class, () -> {
-        i.seek(len + random().nextInt(2048));
-        i.readByte();
-      });
+
+      // Seeking past EOF should always throw EOFException
+      expectThrows(EOFException.class, () -> i.seek(len + RandomizedTest.randomIntBetween(1, 2048)));
+
+      // Seeking exactly to EOF should never throw any exception.
+      i.seek(len);
+
+      // But any read following the seek(len) should throw an EOFException.
+      expectThrows(EOFException.class, i::readByte);
 
       i.close();
     }