Mercurial > hg4j

annotate src/org/tmatesoft/hg/internal/RevlogStream.java @ 299:45dc79e545f5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Recognize flag options (options with no arguments) in command line sample apps
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sat, 17 Sep 2011 13:26:52 +0200
parents e7ca6f16d074
children 650b45d290b1
rev   line source
10
382cfe9463db Dirstate parsing. DataAccess refactored to allow reuse and control over constants
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 9
diff changeset
1 /*
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
2 * Copyright (c) 2010-2011 TMate Software Ltd
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
3 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
4 * This program is free software; you can redistribute it and/or modify
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
5 * it under the terms of the GNU General Public License as published by
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
6 * the Free Software Foundation; version 2 of the License.
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
7 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
8 * This program is distributed in the hope that it will be useful,
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
11 * GNU General Public License for more details.
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
12 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
13 * For information on how to redistribute this software under
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
14 * the terms of a license other than GNU General Public License
102
a3a2e5deb320 Updated contact address to support@hg4j.com
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 88
diff changeset
15 * contact TMate Software at support@hg4j.com
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
17 package org.tmatesoft.hg.internal;
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
80
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
19 import static org.tmatesoft.hg.repo.HgRepository.BAD_REVISION;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
20 import static org.tmatesoft.hg.repo.HgRepository.TIP;
5
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 4
diff changeset
21
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
22 import java.io.File;
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
23 import java.io.IOException;
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
24 import java.util.ArrayList;
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
25 import java.util.List;
263
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
26 import java.util.zip.Inflater;
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27
158
b413b16d10a5 Integer offsets and file length explictly, rather than casts throughout code. Inflater may benefit from total length hint, but shall calculate it by its own if needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
28 import org.tmatesoft.hg.core.HgBadStateException;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
29 import org.tmatesoft.hg.core.Nodeid;
80
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
30 import org.tmatesoft.hg.repo.HgRepository;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
31
10
382cfe9463db Dirstate parsing. DataAccess refactored to allow reuse and control over constants
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 9
diff changeset
32
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 /**
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 * ? Single RevlogStream per file per repository with accessor to record access session (e.g. with back/forward operations),
198
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
35 * or numerous RevlogStream with separate representation of the underlying data (cached, lazy ChunkStream)?
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
36 *
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 * @see http://mercurial.selenic.com/wiki/Revlog
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 * @see http://mercurial.selenic.com/wiki/RevlogNG
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
39 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
40 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 52
diff changeset
41 * @author TMate Software Ltd.
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 */
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 public class RevlogStream {
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
44
198
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
45 /*
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
46 * makes sense for index with inline data only - actual offset of the record in the .i file (record entry + revision * record size))
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
47 *
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
48 * long[] in fact (there are 8-bytes field in the revlog)
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
49 * However, (a) DataAccess currently doesn't operate with long seek/length
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
50 * and, of greater significance, (b) files with inlined data are designated for smaller files,
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
51 * guess, about 130 Kb, and offset there won't ever break int capacity
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
52 */
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
53 private int[] indexRecordOffset;
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
54 private int[] baseRevisions;
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
55 private boolean inline = false;
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
56 private final File indexFile;
10
382cfe9463db Dirstate parsing. DataAccess refactored to allow reuse and control over constants
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 9
diff changeset
57 private final DataAccessProvider dataAccess;
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
58
10
382cfe9463db Dirstate parsing. DataAccess refactored to allow reuse and control over constants
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 9
diff changeset
59 // if we need anything else from HgRepo, might replace DAP parameter with HgRepo and query it for DAP.
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
60 public RevlogStream(DataAccessProvider dap, File indexFile) {
10
382cfe9463db Dirstate parsing. DataAccess refactored to allow reuse and control over constants
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 9
diff changeset
61 this.dataAccess = dap;
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
62 this.indexFile = indexFile;
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
63 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
64
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
65 /*package*/ DataAccess getIndexStream() {
280
35125450c804 Erroneous and slow status for working copies based on non-tip revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
66 // XXX may supply a hint that I'll need really few bytes of data (perhaps, at some offset)
35125450c804 Erroneous and slow status for working copies based on non-tip revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
67 // to avoid mmap files when only few bytes are to be read (i.e. #dataLength())
10
382cfe9463db Dirstate parsing. DataAccess refactored to allow reuse and control over constants
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 9
diff changeset
68 return dataAccess.create(indexFile);
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
69 }
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
70
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
71 /*package*/ DataAccess getDataStream() {
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
72 final String indexName = indexFile.getName();
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
73 File dataFile = new File(indexFile.getParentFile(), indexName.substring(0, indexName.length() - 1) + "d");
10
382cfe9463db Dirstate parsing. DataAccess refactored to allow reuse and control over constants
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 9
diff changeset
74 return dataAccess.create(dataFile);
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
75 }
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
76
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
77 public int revisionCount() {
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
78 initOutline();
198
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
79 return baseRevisions.length;
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
80 }
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
81
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
82 /**
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
83 * @throws HgBadStateException if internal read operation failed
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
84 */
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
85 public int dataLength(int revision) {
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
86 // XXX in fact, use of iterate() instead of this implementation may be quite reasonable.
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
87 //
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
88 final int indexSize = revisionCount();
280
35125450c804 Erroneous and slow status for working copies based on non-tip revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
89 DataAccess daIndex = getIndexStream();
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
90 if (revision == TIP) {
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
91 revision = indexSize - 1;
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
92 }
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
93 try {
198
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
94 int recordOffset = getIndexOffsetInt(revision);
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
95 daIndex.seek(recordOffset + 12); // 6+2+4
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
96 int actualLen = daIndex.readInt();
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
97 return actualLen;
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
98 } catch (IOException ex) {
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
99 ex.printStackTrace(); // log error. FIXME better handling
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
100 throw new HgBadStateException(ex);
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
101 } finally {
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
102 daIndex.done();
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
103 }
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
104 }
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
105
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
106 /**
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
107 * @throws HgBadStateException if internal read operation failed
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
108 */
80
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
109 public byte[] nodeid(int revision) {
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
110 final int indexSize = revisionCount();
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
111 if (revision == TIP) {
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
112 revision = indexSize - 1;
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
113 }
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
114 if (revision < 0 || revision >= indexSize) {
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
115 throw new IllegalArgumentException(Integer.toString(revision));
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
116 }
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
117 DataAccess daIndex = getIndexStream();
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
118 try {
198
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
119 int recordOffset = getIndexOffsetInt(revision);
80
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
120 daIndex.seek(recordOffset + 32);
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
121 byte[] rv = new byte[20];
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
122 daIndex.readBytes(rv, 0, 20);
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
123 return rv;
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
124 } catch (IOException ex) {
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
125 ex.printStackTrace();
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
126 throw new HgBadStateException();
80
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
127 } finally {
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
128 daIndex.done();
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
129 }
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
130 }
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
131
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
132 /**
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
133 * Get link field from the index record.
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
134 * @throws HgBadStateException if internal read operation failed
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
135 */
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
136 public int linkRevision(int revision) {
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
137 final int last = revisionCount() - 1;
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
138 if (revision == TIP) {
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
139 revision = last;
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
140 }
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
141 if (revision < 0 || revision > last) {
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
142 throw new IllegalArgumentException(Integer.toString(revision));
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
143 }
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
144 DataAccess daIndex = getIndexStream();
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
145 try {
198
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
146 int recordOffset = getIndexOffsetInt(revision);
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
147 daIndex.seek(recordOffset + 20);
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
148 int linkRev = daIndex.readInt();
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
149 return linkRev;
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
150 } catch (IOException ex) {
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
151 ex.printStackTrace();
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
152 throw new HgBadStateException();
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
153 } finally {
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
154 daIndex.done();
80
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
155 }
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
156 }
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
157
49
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 44
diff changeset
158 // Perhaps, RevlogStream should be limited to use of plain int revisions for access,
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 44
diff changeset
159 // while Nodeids should be kept on the level up, in Revlog. Guess, Revlog better keep
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 44
diff changeset
160 // map of nodeids, and once this comes true, we may get rid of this method.
80
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
161 // Unlike its counterpart, {@link Revlog#getLocalRevisionNumber()}, doesn't fail with exception if node not found,
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
162 /**
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
163 * @return integer in [0..revisionCount()) or {@link HgRepository#BAD_REVISION} if not found
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
164 */
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
165 public int findLocalRevisionNumber(Nodeid nodeid) {
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
166 // XXX this one may be implemented with iterate() once there's mechanism to stop iterations
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
167 final int indexSize = revisionCount();
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
168 DataAccess daIndex = getIndexStream();
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
169 try {
24
d4fdd1845b3f Nodeid with array of exactly 20 bytes
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 22
diff changeset
170 byte[] nodeidBuf = new byte[20];
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
171 for (int i = 0; i < indexSize; i++) {
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
172 daIndex.skip(8);
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
173 int compressedLen = daIndex.readInt();
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
174 daIndex.skip(20);
24
d4fdd1845b3f Nodeid with array of exactly 20 bytes
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 22
diff changeset
175 daIndex.readBytes(nodeidBuf, 0, 20);
d4fdd1845b3f Nodeid with array of exactly 20 bytes
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 22
diff changeset
176 if (nodeid.equalsTo(nodeidBuf)) {
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
177 return i;
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
178 }
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
179 daIndex.skip(inline ? 12 + compressedLen : 12);
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
180 }
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
181 } catch (IOException ex) {
243
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 242
diff changeset
182 ex.printStackTrace(); // log error. FIXME better handling. Perhaps, shall return BAD_REVISION here as well?
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
183 throw new IllegalStateException(ex);
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
184 } finally {
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
185 daIndex.done();
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
186 }
80
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
187 return BAD_REVISION;
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
188 }
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 10
diff changeset
189
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
190
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
191 private final int REVLOGV1_RECORD_SIZE = 64;
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
192
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
193 // should be possible to use TIP, ALL, or -1, -2, -n notation of Hg
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
194 // ? boolean needsNodeid
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
195 public void iterate(int start, int end, boolean needData, Inspector inspector) {
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
196 initOutline();
198
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
197 final int indexSize = revisionCount();
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
198 if (indexSize == 0) {
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
199 return;
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
200 }
5
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 4
diff changeset
201 if (end == TIP) {
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
202 end = indexSize - 1;
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
203 }
5
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 4
diff changeset
204 if (start == TIP) {
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 4
diff changeset
205 start = indexSize - 1;
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 4
diff changeset
206 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
207 if (start < 0 || start >= indexSize) {
157
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 53 102
diff changeset
208 throw new IllegalArgumentException(String.format("Bad left range boundary %d in [0..%d]", start, indexSize-1));
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
209 }
297
e7ca6f16d074 Better message for incorrect range requested
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
210 if (end >= indexSize) {
157
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 53 102
diff changeset
211 throw new IllegalArgumentException(String.format("Bad right range boundary %d in [0..%d]", end, indexSize-1));
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
212 }
297
e7ca6f16d074 Better message for incorrect range requested
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
213 if (end < start) {
e7ca6f16d074 Better message for incorrect range requested
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
214 throw new IllegalArgumentException(String.format("Bad range [%d..%d]", start, end));
e7ca6f16d074 Better message for incorrect range requested
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
215 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
216 // XXX may cache [start .. end] from index with a single read (pre-read)
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
217
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
218 ReaderN1 r = new ReaderN1(needData, inspector);
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
219 try {
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
220 r.start(end - start + 1);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
221 r.range(start, end);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
222 } catch (IOException ex) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
223 throw new HgBadStateException(ex); // FIXME need better handling
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
224 } finally {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
225 r.finish();
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
226 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
227 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
228
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
229 /**
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
230 * Effective alternative to {@link #iterate(int, int, boolean, Inspector) batch read}, when only few selected
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
231 * revisions are of interest.
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
232 * @param sortedRevisions revisions to walk, in ascending order.
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
233 * @param needData whether inspector needs access to header only
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
234 * @param inspector callback to process entries
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
235 */
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
236 public void iterate(int[] sortedRevisions, boolean needData, Inspector inspector) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
237 final int indexSize = revisionCount();
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
238 if (indexSize == 0 || sortedRevisions.length == 0) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
239 return;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
240 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
241 if (sortedRevisions[0] > indexSize || sortedRevisions[sortedRevisions.length - 1] > indexSize) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
242 throw new IllegalArgumentException(String.format("Can't iterate [%d, %d] in range [0..%d]", sortedRevisions[0], sortedRevisions[sortedRevisions.length - 1], indexSize));
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
243 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
244
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
245 ReaderN1 r = new ReaderN1(needData, inspector);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
246 try {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
247 r.start(sortedRevisions.length);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
248 for (int i = 0; i < sortedRevisions.length; ) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
249 int x = i;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
250 i++;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
251 while (i < sortedRevisions.length) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
252 if (sortedRevisions[i] == sortedRevisions[i-1] + 1) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
253 i++;
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
254 } else {
217
e39cf474ef94 Experimental support to mix-in start and end events for inspectors. Additionally, Lifecycle may serve as iteration control
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 202
diff changeset
255 break;
e39cf474ef94 Experimental support to mix-in start and end events for inspectors. Additionally, Lifecycle may serve as iteration control
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 202
diff changeset
256 }
e39cf474ef94 Experimental support to mix-in start and end events for inspectors. Additionally, Lifecycle may serve as iteration control
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 202
diff changeset
257 }
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
258 // commitRevisions[x..i-1] are sequential
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
259 if (!r.range(sortedRevisions[x], sortedRevisions[i-1])) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
260 return;
51
9429c7bd1920 Try DataAccess to reach revision data instead of plain byte arrays
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
261 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
262 }
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
263 } catch (IOException ex) {
158
b413b16d10a5 Integer offsets and file length explictly, rather than casts throughout code. Inflater may benefit from total length hint, but shall calculate it by its own if needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
264 throw new HgBadStateException(ex); // FIXME need better handling
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
265 } finally {
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
266 r.finish();
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
267 }
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
268 }
198
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
269
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
270 private int getBaseRevision(int revision) {
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
271 return baseRevisions[revision];
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
272 }
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
273
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
274 /**
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
275 * @return offset of the revision's record in the index (.i) stream
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
276 */
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
277 private int getIndexOffsetInt(int revision) {
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
278 return inline ? indexRecordOffset[revision] : revision * REVLOGV1_RECORD_SIZE;
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
279 }
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
280
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
281 private void initOutline() {
198
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
282 if (baseRevisions != null && baseRevisions.length > 0) {
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
283 return;
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
284 }
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
285 DataAccess da = getIndexStream();
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
286 try {
202
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 198
diff changeset
287 if (da.isEmpty()) {
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 198
diff changeset
288 // do not fail with exception if stream is empty, it's likely intentional
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 198
diff changeset
289 baseRevisions = new int[0];
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 198
diff changeset
290 return;
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 198
diff changeset
291 }
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
292 int versionField = da.readInt();
170
71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 158
diff changeset
293 da.readInt(); // just to skip next 4 bytes of offset + flags
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
294 final int INLINEDATA = 1 << 16;
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
295 inline = (versionField & INLINEDATA) != 0;
288
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
296 IntVector resBases, resOffsets = null;
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
297 int entryCountGuess = da.length() / REVLOGV1_RECORD_SIZE;
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
298 if (inline) {
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
299 entryCountGuess >>>= 2; // pure guess, assume useful data takes 3/4 of total space
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
300 resOffsets = new IntVector(entryCountGuess, 5000);
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
301 }
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
302 resBases = new IntVector(entryCountGuess, 5000);
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
303
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
304 long offset = 0; // first offset is always 0, thus Hg uses it for other purposes
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
305 while(true) {
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
306 int compressedLen = da.readInt();
5
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 4
diff changeset
307 // 8+4 = 12 bytes total read here
49
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 44
diff changeset
308 @SuppressWarnings("unused")
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
309 int actualLen = da.readInt();
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
310 int baseRevision = da.readInt();
5
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 4
diff changeset
311 // 12 + 8 = 20 bytes read here
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
312 // int linkRevision = di.readInt();
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
313 // int parent1Revision = di.readInt();
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
314 // int parent2Revision = di.readInt();
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
315 // byte[] nodeid = new byte[32];
198
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
316 resBases.add(baseRevision);
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
317 if (inline) {
198
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
318 int o = (int) offset;
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
319 if (o != offset) {
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
320 // just in case, can't happen, ever, unless HG (or some other bad tool) produces index file
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
321 // with inlined data of size greater than 2 Gb.
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
322 throw new HgBadStateException("Data too big, offset didn't fit to sizeof(int)");
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
323 }
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
324 resOffsets.add(o + REVLOGV1_RECORD_SIZE * resOffsets.size());
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
325 da.skip(3*4 + 32 + compressedLen); // Check: 44 (skip) + 20 (read) = 64 (total RevlogNG record size)
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
326 } else {
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
327 da.skip(3*4 + 32);
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
328 }
10
382cfe9463db Dirstate parsing. DataAccess refactored to allow reuse and control over constants
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 9
diff changeset
329 if (da.isEmpty()) {
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
330 // fine, done then
288
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
331 baseRevisions = resBases.toArray(true);
198
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
332 if (inline) {
288
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
333 indexRecordOffset = resOffsets.toArray(true);
198
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
334 }
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
335 break;
10
382cfe9463db Dirstate parsing. DataAccess refactored to allow reuse and control over constants
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 9
diff changeset
336 } else {
382cfe9463db Dirstate parsing. DataAccess refactored to allow reuse and control over constants
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 9
diff changeset
337 // start reading next record
382cfe9463db Dirstate parsing. DataAccess refactored to allow reuse and control over constants
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 9
diff changeset
338 long l = da.readLong();
382cfe9463db Dirstate parsing. DataAccess refactored to allow reuse and control over constants
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 9
diff changeset
339 offset = l >>> 16;
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
340 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
341 }
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
342 } catch (IOException ex) {
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
343 ex.printStackTrace(); // log error
198
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
344 // too bad, no outline then, but don't fail with NPE
33a7d76f067b Performance optimization: reduce memory to keep revlog cached info
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
345 baseRevisions = new int[0];
9
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
346 } finally {
d6d2a630f4a6 Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 6
diff changeset
347 da.done();
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 0
diff changeset
348 }
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
349 }
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
350
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
351 /**
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
352 * operation with single file open/close and multiple diverse reads.
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
353 * XXX initOutline might need similar extraction to keen N1 format knowledge
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
354 */
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
355 class ReaderN1 {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
356 private final Inspector inspector;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
357 private final boolean needData;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
358 private DataAccess daIndex = null, daData = null;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
359 private Lifecycle.BasicCallback cb = null;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
360 private int lastRevisionRead = BAD_REVISION;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
361 private DataAccess lastUserData;
263
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
362 // next are to track two major bottlenecks - patch application and actual time spent in inspector
264
6bb5e7ed051a Optimize memory usage (reduce number of objects instantiated) when pooling file names and nodeids during manifest parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 263
diff changeset
363 // private long applyTime, inspectorTime; // TIMING
263
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
364
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
365
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
366 public ReaderN1(boolean needData, Inspector insp) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
367 assert insp != null;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
368 this.needData = needData;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
369 inspector = insp;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
370 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
371
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
372 public void start(int totalWork) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
373 daIndex = getIndexStream();
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
374 if (needData && !inline) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
375 daData = getDataStream();
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
376 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
377 if (inspector instanceof Lifecycle) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
378 cb = new Lifecycle.BasicCallback();
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
379 ((Lifecycle) inspector).start(totalWork, cb, cb);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
380 }
264
6bb5e7ed051a Optimize memory usage (reduce number of objects instantiated) when pooling file names and nodeids during manifest parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 263
diff changeset
381 // applyTime = inspectorTime = 0; // TIMING
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
382 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
383
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
384 public void finish() {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
385 if (lastUserData != null) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
386 lastUserData.done();
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
387 lastUserData = null;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
388 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
389 if (inspector instanceof Lifecycle) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
390 ((Lifecycle) inspector).finish(cb);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
391 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
392 daIndex.done();
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
393 if (daData != null) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
394 daData.done();
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
395 }
264
6bb5e7ed051a Optimize memory usage (reduce number of objects instantiated) when pooling file names and nodeids during manifest parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 263
diff changeset
396 // System.out.printf("applyTime:%d ms, inspectorTime: %d ms\n", applyTime, inspectorTime); // TIMING
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
397 }
263
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
398
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
399 public boolean range(int start, int end) throws IOException {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
400 byte[] nodeidBuf = new byte[20];
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
401 int i;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
402 boolean extraReadsToBaseRev = false; // to indicate we read revision prior to start. XXX not sure can't do without
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
403 // it (i.e. replace with i >= start)
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
404 if (needData && (i = getBaseRevision(start)) < start) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
405 // if lastRevisionRead in [baseRevision(start), start) can reuse lastUserData
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
406 // doesn't make sense to reuse if lastRevisionRead == start (too much to change in the cycle below).
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
407 if (lastRevisionRead != BAD_REVISION && i <= lastRevisionRead && lastRevisionRead < start) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
408 i = lastRevisionRead + 1; // start with first not-yet-read revision
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
409 extraReadsToBaseRev = i < start;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
410 } else {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
411 if (lastUserData != null) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
412 lastUserData.done();
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
413 lastUserData = null;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
414 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
415 extraReadsToBaseRev = true;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
416 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
417 } else {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
418 // don't need to clean lastUserData as it's always null when !needData
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
419 i = start;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
420 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
421
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
422 daIndex.seek(getIndexOffsetInt(i));
258
e5776067b3b8 Reduce number of objects instantiated on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 243
diff changeset
423 //
263
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
424 // reuse some instances
258
e5776067b3b8 Reduce number of objects instantiated on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 243
diff changeset
425 final ArrayList<PatchRecord> patches = new ArrayList<PatchRecord>();
263
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
426 final Inflater inflater = new Inflater();
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
427 // can share buffer between instances of InflaterDataAccess as I never read any two of them in parallel
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
428 final byte[] inflaterBuffer = new byte[1024];
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
429 //
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
430
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
431 for (; i <= end; i++ ) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
432 if (inline && needData) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
433 // inspector reading data (though FilterDataAccess) may have affected index position
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
434 daIndex.seek(getIndexOffsetInt(i));
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
435 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
436 long l = daIndex.readLong(); // 0
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
437 long offset = i == 0 ? 0 : (l >>> 16);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
438 @SuppressWarnings("unused")
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
439 int flags = (int) (l & 0X0FFFF);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
440 int compressedLen = daIndex.readInt(); // +8
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
441 int actualLen = daIndex.readInt(); // +12
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
442 int baseRevision = daIndex.readInt(); // +16
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
443 int linkRevision = daIndex.readInt(); // +20
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
444 int parent1Revision = daIndex.readInt();
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
445 int parent2Revision = daIndex.readInt();
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
446 // Hg has 32 bytes here, uses 20 for nodeid, and keeps 12 last bytes empty
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
447 daIndex.readBytes(nodeidBuf, 0, 20); // +32
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
448 daIndex.skip(12);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
449 DataAccess userDataAccess = null;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
450 if (needData) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
451 int streamOffset;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
452 DataAccess streamDataAccess;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
453 if (inline) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
454 streamDataAccess = daIndex;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
455 streamOffset = getIndexOffsetInt(i) + REVLOGV1_RECORD_SIZE; // don't need to do seek as it's actual position in the index stream
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
456 } else {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
457 streamOffset = (int) offset;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
458 streamDataAccess = daData;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
459 daData.seek(streamOffset);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
460 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
461 final boolean patchToPrevious = baseRevision != i; // the only way I found to tell if it's a patch
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
462 if (streamDataAccess.isEmpty()) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
463 userDataAccess = new DataAccess(); // empty
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
464 } else {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
465 final byte firstByte = streamDataAccess.readByte();
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
466 if (firstByte == 0x78 /* 'x' */) {
263
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
467 inflater.reset();
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
468 userDataAccess = new InflaterDataAccess(streamDataAccess, streamOffset, compressedLen, patchToPrevious ? -1 : actualLen, inflater, inflaterBuffer);
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
469 } else if (firstByte == 0x75 /* 'u' */) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
470 userDataAccess = new FilterDataAccess(streamDataAccess, streamOffset+1, compressedLen-1);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
471 } else {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
472 // XXX Python impl in fact throws exception when there's not 'x', 'u' or '0'
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
473 // but I don't see reason not to return data as is
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
474 userDataAccess = new FilterDataAccess(streamDataAccess, streamOffset, compressedLen);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
475 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
476 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
477 // XXX
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
478 if (patchToPrevious) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
479 // this is a patch
263
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
480 patches.clear(); // won't hurt to ensure there are no leftovers, even if we already cleaned
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
481 while (!userDataAccess.isEmpty()) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
482 PatchRecord pr = PatchRecord.read(userDataAccess);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
483 // System.out.printf("PatchRecord:%d %d %d\n", pr.start, pr.end, pr.len);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
484 patches.add(pr);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
485 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
486 userDataAccess.done();
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
487 //
263
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
488 // it shall be reset at the end of prev iteration, when it got assigned from userDataAccess
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
489 // however, actual userDataAccess and lastUserData may share Inflater object, which needs to be reset
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
490 // Alternatively, userDataAccess.done() above may be responsible to reset Inflater (if it's InflaterDataAccess)
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
491 lastUserData.reset();
264
6bb5e7ed051a Optimize memory usage (reduce number of objects instantiated) when pooling file names and nodeids during manifest parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 263
diff changeset
492 // final long startMeasuring = System.currentTimeMillis(); // TIMING
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
493 byte[] userData = apply(lastUserData, actualLen, patches);
264
6bb5e7ed051a Optimize memory usage (reduce number of objects instantiated) when pooling file names and nodeids during manifest parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 263
diff changeset
494 // applyTime += (System.currentTimeMillis() - startMeasuring); // TIMING
263
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
495 patches.clear(); // do not keep any reference, allow PatchRecord to be gc'd
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
496 userDataAccess = new ByteArrayDataAccess(userData);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
497 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
498 } else {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
499 if (inline) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
500 daIndex.skip(compressedLen);
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
501 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
502 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
503 if (!extraReadsToBaseRev || i >= start) {
264
6bb5e7ed051a Optimize memory usage (reduce number of objects instantiated) when pooling file names and nodeids during manifest parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 263
diff changeset
504 // final long startMeasuring = System.currentTimeMillis(); // TIMING
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
505 inspector.next(i, actualLen, baseRevision, linkRevision, parent1Revision, parent2Revision, nodeidBuf, userDataAccess);
264
6bb5e7ed051a Optimize memory usage (reduce number of objects instantiated) when pooling file names and nodeids during manifest parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 263
diff changeset
506 // inspectorTime += (System.currentTimeMillis() - startMeasuring); // TIMING
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
507 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
508 if (cb != null) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
509 if (cb.isStopped()) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
510 return false;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
511 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
512 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
513 if (userDataAccess != null) {
263
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
514 userDataAccess.reset(); // not sure this is necessary here, as lastUserData would get reset anyway before next use.
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
515 }
263
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
516 if (lastUserData != null) {
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
517 lastUserData.done();
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
518 }
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
519 lastUserData = userDataAccess;
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
520 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
521 lastRevisionRead = end;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
522 return true;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
523 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
524 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
525
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 223
diff changeset
526
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
527 // mpatch.c : apply()
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
528 // FIXME need to implement patch merge (fold, combine, gather and discard from aforementioned mpatch.[c|py]), also see Revlog and Mercurial PDF
157
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 53 102
diff changeset
529 public/*for HgBundle; until moved to better place*/static byte[] apply(DataAccess baseRevisionContent, int outcomeLen, List<PatchRecord> patch) throws IOException {
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
530 int last = 0, destIndex = 0;
43
1b26247d7367 Calculate result length of the patch operarion, when unknown
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
531 if (outcomeLen == -1) {
158
b413b16d10a5 Integer offsets and file length explictly, rather than casts throughout code. Inflater may benefit from total length hint, but shall calculate it by its own if needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
532 outcomeLen = baseRevisionContent.length();
263
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
533 for (int i = 0, x = patch.size(); i < x; i++) {
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
534 PatchRecord pr = patch.get(i);
43
1b26247d7367 Calculate result length of the patch operarion, when unknown
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
535 outcomeLen += pr.start - last + pr.len;
1b26247d7367 Calculate result length of the patch operarion, when unknown
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
536 last = pr.end;
1b26247d7367 Calculate result length of the patch operarion, when unknown
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
537 }
1b26247d7367 Calculate result length of the patch operarion, when unknown
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
538 outcomeLen -= last;
1b26247d7367 Calculate result length of the patch operarion, when unknown
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
539 last = 0;
1b26247d7367 Calculate result length of the patch operarion, when unknown
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
540 }
1b26247d7367 Calculate result length of the patch operarion, when unknown
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
541 byte[] rv = new byte[outcomeLen];
263
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
542 for (int i = 0, x = patch.size(); i < x; i++) {
31f67be94e71 RevlogStream - reduce number of object instances, reuse when possible
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 258
diff changeset
543 PatchRecord pr = patch.get(i);
51
9429c7bd1920 Try DataAccess to reach revision data instead of plain byte arrays
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
544 baseRevisionContent.seek(last);
9429c7bd1920 Try DataAccess to reach revision data instead of plain byte arrays
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
545 baseRevisionContent.readBytes(rv, destIndex, pr.start-last);
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
546 destIndex += pr.start - last;
43
1b26247d7367 Calculate result length of the patch operarion, when unknown
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
547 System.arraycopy(pr.data, 0, rv, destIndex, pr.data.length);
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
548 destIndex += pr.data.length;
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
549 last = pr.end;
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
550 }
51
9429c7bd1920 Try DataAccess to reach revision data instead of plain byte arrays
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
551 baseRevisionContent.seek(last);
9429c7bd1920 Try DataAccess to reach revision data instead of plain byte arrays
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
552 baseRevisionContent.readBytes(rv, destIndex, (int) (baseRevisionContent.length() - last));
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
553 return rv;
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
554 }
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
555
35
6061aa826a9e Complete parsing of the bundle format
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 33
diff changeset
556 // @see http://mercurial.selenic.com/wiki/BundleFormat, in Changelog group description
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
557 public static class PatchRecord {
52
30bd38978846 brief explanation of patch record
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
558 /*
30bd38978846 brief explanation of patch record
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
559 Given there are pr1 and pr2:
30bd38978846 brief explanation of patch record
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
560 pr1.start to pr1.end will be replaced with pr's data (of pr1.len)
30bd38978846 brief explanation of patch record
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
561 pr1.end to pr2.start gets copied from base
30bd38978846 brief explanation of patch record
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
562 */
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
563 public int start, end, len;
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
564 public byte[] data;
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
565
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
566 // TODO consider PatchRecord that only records data position (absolute in data source), and acquires data as needed
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
567 private PatchRecord(int p1, int p2, int length, byte[] src) {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
568 start = p1;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
569 end = p2;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
570 len = length;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
571 data = src;
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
572 }
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
573
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
574 /*package-local*/ static PatchRecord read(byte[] data, int offset) {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
575 final int x = offset; // shorthand
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
576 int p1 = ((data[x] & 0xFF)<< 24) | ((data[x+1] & 0xFF) << 16) | ((data[x+2] & 0xFF) << 8) | (data[x+3] & 0xFF);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
577 int p2 = ((data[x+4] & 0xFF) << 24) | ((data[x+5] & 0xFF) << 16) | ((data[x+6] & 0xFF) << 8) | (data[x+7] & 0xFF);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
578 int len = ((data[x+8] & 0xFF) << 24) | ((data[x+9] & 0xFF) << 16) | ((data[x+10] & 0xFF) << 8) | (data[x+11] & 0xFF);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
579 byte[] dataCopy = new byte[len];
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
580 System.arraycopy(data, x+12, dataCopy, 0, len);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
581 return new PatchRecord(p1, p2, len, dataCopy);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
582 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
583
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
584 public /*for HgBundle*/ static PatchRecord read(DataAccess da) throws IOException {
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
585 int p1 = da.readInt();
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
586 int p2 = da.readInt();
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
587 int len = da.readInt();
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
588 byte[] src = new byte[len];
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
589 da.readBytes(src, 0, len);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
590 return new PatchRecord(p1, p2, len, src);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 35
diff changeset
591 }
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
592 }
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
593
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
594 // FIXME byte[] data might be too expensive, for few usecases it may be better to have intermediate Access object (when we don't need full data
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
595 // instantly - e.g. calculate hash, or comparing two revisions
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
596 public interface Inspector {
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
597 // XXX boolean retVal to indicate whether to continue?
157
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 53 102
diff changeset
598 // TODO specify nodeid and data length, and reuse policy (i.e. if revlog stream doesn't reuse nodeid[] for each call)
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 53 102
diff changeset
599 // implementers shall not invoke DataAccess.done(), it's accomplished by #iterate at appropraite moment
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 53 102
diff changeset
600 void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[/*20*/] nodeid, DataAccess data);
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
601 }
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
602 }