1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
|
// Bz2Handler.cpp
#include "StdAfx.h"
#include "Common/ComTry.h"
#include "Windows/PropVariant.h"
#ifdef COMPRESS_MT
#include "../../Windows/System.h"
#endif
#include "../Common/CreateCoder.h"
#include "../Common/ProgressUtils.h"
#include "../Common/RegisterArc.h"
#include "../Common/StreamUtils.h"
#include "../Compress/BZip2Decoder.h"
#include "../Compress/BZip2Encoder.h"
#include "../Compress/CopyCoder.h"
#include "Common/DummyOutStream.h"
#include "Common/ParseProperties.h"
#ifdef _MSC_VER
#pragma warning(disable:4297)
#endif
using namespace NWindows;
namespace NArchive {
namespace NBz2 {
static const UInt32 kNumPassesX1 = 1;
static const UInt32 kNumPassesX7 = 2;
static const UInt32 kNumPassesX9 = 7;
static const UInt32 kDicSizeX1 = 100000;
static const UInt32 kDicSizeX3 = 500000;
static const UInt32 kDicSizeX5 = 900000;
class CHandler:
public IInArchive,
public IArchiveOpenSeq,
public IOutArchive,
public ISetProperties,
public CMyUnknownImp
{
CMyComPtr<IInStream> _stream;
CMyComPtr<ISequentialInStream> _seqStream;
UInt64 _packSize;
UInt64 _startPosition;
bool _packSizeDefined;
UInt32 _level;
UInt32 _dicSize;
UInt32 _numPasses;
#ifdef COMPRESS_MT
UInt32 _numThreads;
#endif
void InitMethodProperties()
{
_level = 5;
_dicSize =
_numPasses = 0xFFFFFFFF;
#ifdef COMPRESS_MT
_numThreads = NWindows::NSystem::GetNumberOfProcessors();;
#endif
}
public:
MY_UNKNOWN_IMP4(IInArchive, IArchiveOpenSeq, IOutArchive, ISetProperties)
INTERFACE_IInArchive(;)
INTERFACE_IOutArchive(;)
STDMETHOD(OpenSeq)(ISequentialInStream *stream);
STDMETHOD(SetProperties)(const wchar_t **names, const PROPVARIANT *values, Int32 numProps);
CHandler() { InitMethodProperties(); }
};
STATPROPSTG kProps[] =
{
{ NULL, kpidPackSize, VT_UI8}
};
IMP_IInArchive_Props
IMP_IInArchive_ArcProps_NO_Table
STDMETHODIMP CHandler::GetArchiveProperty(PROPID propID, PROPVARIANT *value)
{
NCOM::CPropVariant prop;
switch(propID)
{
case kpidPhySize: if (_packSizeDefined) prop = _packSize; break;
}
prop.Detach(value);
return S_OK;
}
STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems)
{
*numItems = 1;
return S_OK;
}
STDMETHODIMP CHandler::GetProperty(UInt32 /* index */, PROPID propID, PROPVARIANT *value)
{
NWindows::NCOM::CPropVariant prop;
switch(propID)
{
case kpidPackSize: if (_packSizeDefined) prop = _packSize; break;
}
prop.Detach(value);
return S_OK;
}
STDMETHODIMP CHandler::Open(IInStream *stream,
const UInt64 * /* maxCheckStartPosition */,
IArchiveOpenCallback * /* openArchiveCallback */)
{
COM_TRY_BEGIN
try
{
Close();
RINOK(stream->Seek(0, STREAM_SEEK_CUR, &_startPosition));
const int kSignatureSize = 3;
Byte buf[kSignatureSize];
RINOK(ReadStream_FALSE(stream, buf, kSignatureSize));
if (buf[0] != 'B' || buf[1] != 'Z' || buf[2] != 'h')
return S_FALSE;
UInt64 endPosition;
RINOK(stream->Seek(0, STREAM_SEEK_END, &endPosition));
_packSize = endPosition - _startPosition;
_packSizeDefined = true;
_stream = stream;
_seqStream = stream;
}
catch(...) { return S_FALSE; }
return S_OK;
COM_TRY_END
}
STDMETHODIMP CHandler::OpenSeq(ISequentialInStream *stream)
{
Close();
_seqStream = stream;
return S_OK;
}
STDMETHODIMP CHandler::Close()
{
_packSizeDefined = false;
_seqStream.Release();
_stream.Release();
return S_OK;
}
STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
Int32 _aTestMode, IArchiveExtractCallback *extractCallback)
{
COM_TRY_BEGIN
bool allFilesMode = (numItems == (UInt32)-1);
if (!allFilesMode)
{
if (numItems == 0)
return S_OK;
if (numItems != 1 || indices[0] != 0)
return E_INVALIDARG;
}
bool testMode = (_aTestMode != 0);
if (_stream)
extractCallback->SetTotal(_packSize);
UInt64 currentTotalPacked = 0;
RINOK(extractCallback->SetCompleted(¤tTotalPacked));
CMyComPtr<ISequentialOutStream> realOutStream;
Int32 askMode = testMode ?
NArchive::NExtract::NAskMode::kTest :
NArchive::NExtract::NAskMode::kExtract;
RINOK(extractCallback->GetStream(0, &realOutStream, askMode));
if (!testMode && !realOutStream)
return S_OK;
extractCallback->PrepareOperation(askMode);
NCompress::NBZip2::CDecoder *decoderSpec = new NCompress::NBZip2::CDecoder;
CMyComPtr<ICompressCoder> decoder = decoderSpec;
if (_stream)
{
RINOK(_stream->Seek(_startPosition, STREAM_SEEK_SET, NULL));
}
decoderSpec->SetInStream(_seqStream);
#if defined( COMPRESS_MT) && defined( COMPRESS_BZIP2_MT)
RINOK(decoderSpec->SetNumberOfThreads(_numThreads));
#endif
CDummyOutStream *outStreamSpec = new CDummyOutStream;
CMyComPtr<ISequentialOutStream> outStream(outStreamSpec);
outStreamSpec->SetStream(realOutStream);
outStreamSpec->Init();
realOutStream.Release();
CLocalProgress *lps = new CLocalProgress;
CMyComPtr<ICompressProgressInfo> progress = lps;
lps->Init(extractCallback, true);
HRESULT result = S_OK;
bool firstItem = true;
for (;;)
{
lps->InSize = currentTotalPacked;
lps->OutSize = outStreamSpec->GetSize();
RINOK(lps->SetCur());
bool isBz2;
result = decoderSpec->CodeResume(outStream, isBz2, progress);
if (result != S_OK)
break;
if (!isBz2)
{
if (firstItem)
result = S_FALSE;
break;
}
firstItem = false;
_packSize = currentTotalPacked = decoderSpec->GetInputProcessedSize();
_packSizeDefined = true;
}
decoderSpec->ReleaseInStream();
outStream.Release();
Int32 retResult;
if (result == S_OK)
retResult = NExtract::NOperationResult::kOK;
else if (result == S_FALSE)
retResult = NExtract::NOperationResult::kDataError;
else
return result;
return extractCallback->SetOperationResult(retResult);
COM_TRY_END
}
static HRESULT UpdateArchive(
UInt64 unpackSize,
ISequentialOutStream *outStream,
int indexInClient,
UInt32 dictionary,
UInt32 numPasses,
#ifdef COMPRESS_MT
UInt32 numThreads,
#endif
IArchiveUpdateCallback *updateCallback)
{
RINOK(updateCallback->SetTotal(unpackSize));
UInt64 complexity = 0;
RINOK(updateCallback->SetCompleted(&complexity));
CMyComPtr<ISequentialInStream> fileInStream;
RINOK(updateCallback->GetStream(indexInClient, &fileInStream));
CLocalProgress *localProgressSpec = new CLocalProgress;
CMyComPtr<ICompressProgressInfo> localProgress = localProgressSpec;
localProgressSpec->Init(updateCallback, true);
NCompress::NBZip2::CEncoder *encoderSpec = new NCompress::NBZip2::CEncoder;
CMyComPtr<ICompressCoder> encoder = encoderSpec;
{
NWindows::NCOM::CPropVariant properties[] =
{
dictionary,
numPasses
#ifdef COMPRESS_MT
, numThreads
#endif
};
PROPID propIDs[] =
{
NCoderPropID::kDictionarySize,
NCoderPropID::kNumPasses
#ifdef COMPRESS_MT
, NCoderPropID::kNumThreads
#endif
};
RINOK(encoderSpec->SetCoderProperties(propIDs, properties, sizeof(propIDs) / sizeof(propIDs[0])));
}
RINOK(encoder->Code(fileInStream, outStream, NULL, NULL, localProgress));
return updateCallback->SetOperationResult(NArchive::NUpdate::NOperationResult::kOK);
}
STDMETHODIMP CHandler::GetFileTimeType(UInt32 *type)
{
*type = NFileTimeType::kUnix;
return S_OK;
}
STDMETHODIMP CHandler::UpdateItems(ISequentialOutStream *outStream, UInt32 numItems,
IArchiveUpdateCallback *updateCallback)
{
if (numItems != 1)
return E_INVALIDARG;
Int32 newData, newProps;
UInt32 indexInArchive;
if (!updateCallback)
return E_FAIL;
RINOK(updateCallback->GetUpdateItemInfo(0, &newData, &newProps, &indexInArchive));
if (IntToBool(newProps))
{
{
NCOM::CPropVariant prop;
RINOK(updateCallback->GetProperty(0, kpidIsDir, &prop));
if (prop.vt == VT_BOOL)
{
if (prop.boolVal != VARIANT_FALSE)
return E_INVALIDARG;
}
else if (prop.vt != VT_EMPTY)
return E_INVALIDARG;
}
}
if (IntToBool(newData))
{
UInt64 size;
{
NCOM::CPropVariant prop;
RINOK(updateCallback->GetProperty(0, kpidSize, &prop));
if (prop.vt != VT_UI8)
return E_INVALIDARG;
size = prop.uhVal.QuadPart;
}
UInt32 dicSize = _dicSize;
if (dicSize == 0xFFFFFFFF)
dicSize = (_level >= 5 ? kDicSizeX5 :
(_level >= 3 ? kDicSizeX3 :
kDicSizeX1));
UInt32 numPasses = _numPasses;
if (numPasses == 0xFFFFFFFF)
numPasses = (_level >= 9 ? kNumPassesX9 :
(_level >= 7 ? kNumPassesX7 :
kNumPassesX1));
return UpdateArchive(
size, outStream, 0, dicSize, numPasses,
#ifdef COMPRESS_MT
_numThreads,
#endif
updateCallback);
}
if (indexInArchive != 0)
return E_INVALIDARG;
if (_stream)
RINOK(_stream->Seek(_startPosition, STREAM_SEEK_SET, NULL));
return NCompress::CopyStream(_stream, outStream, NULL);
}
STDMETHODIMP CHandler::SetProperties(const wchar_t **names, const PROPVARIANT *values, Int32 numProps)
{
InitMethodProperties();
#ifdef COMPRESS_MT
const UInt32 numProcessors = NSystem::GetNumberOfProcessors();
_numThreads = numProcessors;
#endif
for (int i = 0; i < numProps; i++)
{
UString name = names[i];
name.MakeUpper();
if (name.IsEmpty())
return E_INVALIDARG;
const PROPVARIANT &prop = values[i];
if (name[0] == L'X')
{
UInt32 level = 9;
RINOK(ParsePropValue(name.Mid(1), prop, level));
_level = level;
}
else if (name[0] == L'D')
{
UInt32 dicSize = kDicSizeX5;
RINOK(ParsePropDictionaryValue(name.Mid(1), prop, dicSize));
_dicSize = dicSize;
}
else if (name.Left(4) == L"PASS")
{
UInt32 num = kNumPassesX9;
RINOK(ParsePropValue(name.Mid(4), prop, num));
_numPasses = num;
}
else if (name.Left(2) == L"MT")
{
#ifdef COMPRESS_MT
RINOK(ParseMtProp(name.Mid(2), prop, numProcessors, _numThreads));
#endif
}
else
return E_INVALIDARG;
}
return S_OK;
}
static IInArchive *CreateArc() { return new CHandler; }
#ifndef EXTRACT_ONLY
static IOutArchive *CreateArcOut() { return new CHandler; }
#else
#define CreateArcOut 0
#endif
static CArcInfo g_ArcInfo =
{ L"BZip2", L"bz2 bzip2 tbz2 tbz", L"* * .tar .tar", 2, { 'B', 'Z', 'h' }, 3, true, CreateArc, CreateArcOut };
REGISTER_ARC(BZip2)
}}
|