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Add ReceivedPackStatistics for PackParser 

This is like PackStatistics, but for PackParser.

Change-Id: I854215c0956fd0b36843d631780be303e021b8be
Signed-off-by: Masaya Suzuki <masayasuzuki@google.com>
stable-4.6
Masaya Suzuki 8 years ago
parent
9d4ffcc1ab
commit
1beb3ccd1e
3 changed files with 268 additions and 2 deletions
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  1. 15
      org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseReceivePack.java
  2. 24
      org.eclipse.jgit/src/org/eclipse/jgit/transport/PackParser.java
  3. 231
      org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceivedPackStatistics.java

15
org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseReceivePack.java
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@ -69,6 +69,7 @@ import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import org.eclipse.jgit.annotations.Nullable;
import org.eclipse.jgit.errors.InvalidObjectIdException;
import org.eclipse.jgit.errors.MissingObjectException;
import org.eclipse.jgit.errors.PackProtocolException;
@ -268,6 +269,7 @@ public abstract class BaseReceivePack {
private PushCertificateParser pushCertificateParser;
private SignedPushConfig signedPushConfig;
private PushCertificate pushCert;
private ReceivedPackStatistics stats;
/**
* Get the push certificate used to verify the pusher's identity.
@ -1114,6 +1116,18 @@ public abstract class BaseReceivePack {
adv.end();
}
/**
* Returns the statistics on the received pack if available. This should be
* called after {@link #receivePack} is called.
*
* @return ReceivedPackStatistics
* @since 4.5
*/
@Nullable
public ReceivedPackStatistics getReceivedPackStatistics() {
return stats;
}
/**
* Receive a list of commands from the input.
*
@ -1307,6 +1321,7 @@ public abstract class BaseReceivePack {
parser.setMaxObjectSizeLimit(maxObjectSizeLimit);
packLock = parser.parse(receiving, resolving);
packSize = Long.valueOf(parser.getPackSize());
stats = parser.getReceivedPackStatistics();
ins.flush();
}

24
org.eclipse.jgit/src/org/eclipse/jgit/transport/PackParser.java
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@ -186,6 +186,9 @@ public abstract class PackParser {
/** Git object size limit */
private long maxObjectSizeLimit;
private final ReceivedPackStatistics.Builder stats =
new ReceivedPackStatistics.Builder();
/**
* Initialize a pack parser.
*
@ -455,8 +458,8 @@ public abstract class PackParser {
}
/**
* Get the size of the parsed pack.
*
* Get the size of the newly created pack.
* <p>
* This will also include the pack index size if an index was created. This
* method should only be called after pack parsing is finished.
*
@ -468,6 +471,18 @@ public abstract class PackParser {
return -1;
}
/**
* Returns the statistics of the parsed pack.
* <p>
* This should only be called after pack parsing is finished.
*
* @return {@link ReceivedPackStatistics}
* @since 4.5
*/
public ReceivedPackStatistics getReceivedPackStatistics() {
return stats.build();
}
/**
* Parse the pack stream.
*
@ -626,6 +641,7 @@ public abstract class PackParser {
private void resolveDeltas(DeltaVisit visit, final int type,
ObjectTypeAndSize info, ProgressMonitor progress)
throws IOException {
stats.addDeltaObject(type);
do {
progress.update(1);
info = openDatabase(visit.delta, info);
@ -919,6 +935,7 @@ public abstract class PackParser {
// Cleanup all resources associated with our input parsing.
private void endInput() {
stats.setNumBytesRead(streamPosition());
in = null;
}
@ -947,12 +964,14 @@ public abstract class PackParser {
case Constants.OBJ_TREE:
case Constants.OBJ_BLOB:
case Constants.OBJ_TAG:
stats.addWholeObject(typeCode);
onBeginWholeObject(streamPosition, typeCode, sz);
onObjectHeader(Source.INPUT, hdrBuf, 0, hdrPtr);
whole(streamPosition, typeCode, sz);
break;
case Constants.OBJ_OFS_DELTA: {
stats.addOffsetDelta();
c = readFrom(Source.INPUT);
hdrBuf[hdrPtr++] = (byte) c;
long ofs = c & 127;
@ -975,6 +994,7 @@ public abstract class PackParser {
}
case Constants.OBJ_REF_DELTA: {
stats.addRefDelta();
c = fill(Source.INPUT, 20);
final ObjectId base = ObjectId.fromRaw(buf, c);
System.arraycopy(buf, c, hdrBuf, hdrPtr, 20);

231
org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceivedPackStatistics.java
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@ -0,0 +1,231 @@
/*
* Copyright (C) 2016, Google Inc.
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.transport;
import org.eclipse.jgit.lib.Constants;
/**
* Statistics about {@link PackParser}.
*
* @since 4.5
*/
public class ReceivedPackStatistics {
private long numBytesRead;
private long numWholeCommit;
private long numWholeTree;
private long numWholeBlob;
private long numWholeTag;
private long numOfsDelta;
private long numRefDelta;
private long numDeltaCommit;
private long numDeltaTree;
private long numDeltaBlob;
private long numDeltaTag;
/** @return number of bytes read from the input stream */
public long getNumBytesRead() {
return numBytesRead;
}
/** @return number of whole commit objects in the pack */
public long getNumWholeCommit() {
return numWholeCommit;
}
/** @return number of whole tree objects in the pack */
public long getNumWholeTree() {
return numWholeTree;
}
/** @return number of whole blob objects in the pack */
public long getNumWholeBlob() {
return numWholeBlob;
}
/** @return number of whole tag objects in the pack */
public long getNumWholeTag() {
return numWholeTag;
}
/** @return number of offset delta objects in the pack */
public long getNumOfsDelta() {
return numOfsDelta;
}
/** @return number of ref delta objects in the pack */
public long getNumRefDelta() {
return numRefDelta;
}
/** @return number of delta commit objects in the pack */
public long getNumDeltaCommit() {
return numDeltaCommit;
}
/** @return number of delta tree objects in the pack */
public long getNumDeltaTree() {
return numDeltaTree;
}
/** @return number of delta blob objects in the pack */
public long getNumDeltaBlob() {
return numDeltaBlob;
}
/** @return number of delta tag objects in the pack */
public long getNumDeltaTag() {
return numDeltaTag;
}
/** A builder for {@link ReceivedPackStatistics}. */
public static class Builder {
private long numBytesRead;
private long numWholeCommit;
private long numWholeTree;
private long numWholeBlob;
private long numWholeTag;
private long numOfsDelta;
private long numRefDelta;
private long numDeltaCommit;
private long numDeltaTree;
private long numDeltaBlob;
private long numDeltaTag;
/**
* @param numBytesRead number of bytes read from the input stream
* @return this
*/
public Builder setNumBytesRead(long numBytesRead) {
this.numBytesRead = numBytesRead;
return this;
}
/**
* Increment a whole object count.
*
* @param type OBJ_COMMIT, OBJ_TREE, OBJ_BLOB, or OBJ_TAG
* @return this
*/
public Builder addWholeObject(int type) {
switch (type) {
case Constants.OBJ_COMMIT:
numWholeCommit++;
break;
case Constants.OBJ_TREE:
numWholeTree++;
break;
case Constants.OBJ_BLOB:
numWholeBlob++;
break;
case Constants.OBJ_TAG:
numWholeTag++;
break;
default:
throw new IllegalArgumentException(
type + " cannot be a whole object"); //$NON-NLS-1$
}
return this;
}
/** @return this */
public Builder addOffsetDelta() {
numOfsDelta++;
return this;
}
/** @return this */
public Builder addRefDelta() {
numRefDelta++;
return this;
}
/**
* Increment a delta object count.
*
* @param type OBJ_COMMIT, OBJ_TREE, OBJ_BLOB, or OBJ_TAG
* @return this
*/
public Builder addDeltaObject(int type) {
switch (type) {
case Constants.OBJ_COMMIT:
numDeltaCommit++;
break;
case Constants.OBJ_TREE:
numDeltaTree++;
break;
case Constants.OBJ_BLOB:
numDeltaBlob++;
break;
case Constants.OBJ_TAG:
numDeltaTag++;
break;
default:
throw new IllegalArgumentException(
"delta should be a delta to a whole object. " + //$NON-NLS-1$
type + " cannot be a whole object"); //$NON-NLS-1$
}
return this;
}
ReceivedPackStatistics build() {
ReceivedPackStatistics s = new ReceivedPackStatistics();
s.numBytesRead = numBytesRead;
s.numWholeCommit = numWholeCommit;
s.numWholeTree = numWholeTree;
s.numWholeBlob = numWholeBlob;
s.numWholeTag = numWholeTag;
s.numOfsDelta = numOfsDelta;
s.numRefDelta = numRefDelta;
s.numDeltaCommit = numDeltaCommit;
s.numDeltaTree = numDeltaTree;
s.numDeltaBlob = numDeltaBlob;
s.numDeltaTag = numDeltaTag;
return s;
}
}
}
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