Revert "HBASE-19651 Remove LimitInputStream"

Revert to put Beluga in place as author.

This reverts commit 032fdc53de.
This commit is contained in:
Beluga Behr 2018-01-05 16:51:33 -06:00 committed by Michael Stack
parent 9cd0e1a490
commit e5f7030ded
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5 changed files with 120 additions and 8 deletions

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@ -39,6 +39,7 @@ Licensed under the Apache License v2.0 as a part of the Bootstrap project.
--
This product includes portions of the Guava project v14 and v21, specifically
'hbase-common/src/main/java/org/apache/hadoop/hbase/io/LimitInputStream.java'
'hbase-common/src/main/java/org/apache/hadoop/hbase/util/Bytes.java'
'hbase-common/src/main/java/org/apache/hadoop/hbase/util/ByteBufferUtils.java'

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@ -85,6 +85,7 @@ import org.apache.hadoop.hbase.client.security.SecurityCapability;
import org.apache.hadoop.hbase.exceptions.DeserializationException;
import org.apache.hadoop.hbase.filter.ByteArrayComparable;
import org.apache.hadoop.hbase.filter.Filter;
import org.apache.hadoop.hbase.io.LimitInputStream;
import org.apache.hadoop.hbase.io.TimeRange;
import org.apache.hadoop.hbase.protobuf.ProtobufMagic;
import org.apache.hadoop.hbase.protobuf.ProtobufMessageConverter;
@ -105,7 +106,6 @@ import org.apache.hadoop.hbase.util.VersionInfo;
import org.apache.hadoop.ipc.RemoteException;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.hbase.thirdparty.com.google.common.io.ByteStreams;
import org.apache.hbase.thirdparty.com.google.gson.JsonArray;
import org.apache.hbase.thirdparty.com.google.gson.JsonElement;
import org.apache.hbase.thirdparty.com.google.protobuf.ByteString;
@ -2609,7 +2609,7 @@ public final class ProtobufUtil {
final int firstByte = in.read();
if (firstByte != -1) {
final int size = CodedInputStream.readRawVarint32(firstByte, in);
final InputStream limitedInput = ByteStreams.limit(in, size);
final InputStream limitedInput = new LimitInputStream(in, size);
final CodedInputStream codedInput = CodedInputStream.newInstance(limitedInput);
codedInput.setSizeLimit(size);
builder.mergeFrom(codedInput);

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@ -0,0 +1,7 @@
--
This product includes portions of the Guava project v14, specifically
'hbase-common/src/main/java/org/apache/hadoop/hbase/io/LimitInputStream.java'
Copyright (C) 2007 The Guava Authors
Licensed under the Apache License, Version 2.0

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@ -0,0 +1,105 @@
/*
* Copyright (C) 2007 The Guava Authors
*
* Licensed 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.hadoop.hbase.io;
import static org.apache.hbase.thirdparty.com.google.common.base.Preconditions.checkArgument;
import static org.apache.hbase.thirdparty.com.google.common.base.Preconditions.checkNotNull;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.yetus.audience.InterfaceAudience;
/**
* Copied from guava source code v15 (LimitedInputStream)
* Guava deprecated LimitInputStream in v14 and removed it in v15. Copying this class here
* allows to be compatible with guava 11 to 15+.
*/
@InterfaceAudience.Private
public final class LimitInputStream extends FilterInputStream {
private long left;
private long mark = -1;
public LimitInputStream(InputStream in, long limit) {
super(in);
checkNotNull(in);
checkArgument(limit >= 0, "limit must be non-negative");
left = limit;
}
@Override
public int available() throws IOException {
return (int) Math.min(in.available(), left);
}
// it's okay to mark even if mark isn't supported, as reset won't work
@Override
public synchronized void mark(int readLimit) {
in.mark(readLimit);
mark = left;
}
@Override
public int read() throws IOException {
if (left == 0) {
return -1;
}
int result = in.read();
if (result != -1) {
--left;
}
return result;
}
@Override
public int read(byte[] b, int off, int len) throws IOException {
if (left == 0) {
return -1;
}
len = (int) Math.min(len, left);
int result = in.read(b, off, len);
if (result != -1) {
left -= result;
}
return result;
}
@Override
public synchronized void reset() throws IOException {
if (!in.markSupported()) {
throw new IOException("Mark not supported");
}
if (mark == -1) {
throw new IOException("Mark not set");
}
in.reset();
left = mark;
}
@Override
public long skip(long n) throws IOException {
n = Math.min(n, left);
long skipped = in.skip(n);
left -= skipped;
return skipped;
}
}

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@ -26,11 +26,15 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.yetus.audience.InterfaceAudience;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.hbase.codec.Codec;
import org.apache.hadoop.hbase.io.LimitInputStream;
import org.apache.hadoop.hbase.HBaseInterfaceAudience;
import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos;
@ -39,12 +43,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.WALKey;
import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.WALTrailer;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.wal.WAL.Entry;
import org.apache.yetus.audience.InterfaceAudience;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hbase.thirdparty.com.google.common.io.ByteStreams;
import org.apache.hbase.thirdparty.com.google.protobuf.CodedInputStream;
import org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException;
@ -351,7 +350,7 @@ public class ProtobufLogReader extends ReaderBase {
"inputStream.available()= " + this.inputStream.available() + ", " +
"entry size= " + size + " at offset = " + this.inputStream.getPos());
}
ProtobufUtil.mergeFrom(builder, ByteStreams.limit(this.inputStream, size),
ProtobufUtil.mergeFrom(builder, new LimitInputStream(this.inputStream, size),
(int)size);
} catch (InvalidProtocolBufferException ipbe) {
throw (EOFException) new EOFException("Invalid PB, EOF? Ignoring; originalPosition=" +