Parent: [ea3bd2] (diff)

Download this file

indexer.cpp    377 lines (344 with data), 11.5 kB

  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
/* Copyright (C) 2004 J.F.Dockes
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "autoconfig.h"
#include <stdio.h>
#include <errno.h>
#include <algorithm>
#include "cstr.h"
#include "log.h"
#include "recollindex.h"
#include "indexer.h"
#include "fsindexer.h"
#ifndef DISABLE_WEB_INDEXER
#include "webqueue.h"
#endif
#include "mimehandler.h"
#include "pathut.h"
#include "idxstatus.h"
#ifdef RCL_USE_ASPELL
#include "rclaspell.h"
#endif
using std::list;
using std::string;
using std::vector;
// This would more logically live in recollindex.cpp, but then librecoll would
// have an undefined symbol
ConfSimple idxreasons;
void addIdxReason(string who, string reason)
{
reason = neutchars(reason, "\r\n");
if (!idxreasons.set(who, reason)) {
std::cerr << "addIdxReason: confsimple set failed\n";
}
}
ConfIndexer::ConfIndexer(RclConfig *cnf, DbIxStatusUpdater *updfunc)
: m_config(cnf), m_db(cnf), m_fsindexer(0),
m_doweb(false), m_webindexer(0),
m_updater(updfunc)
{
m_config->getConfParam("processwebqueue", &m_doweb);
}
ConfIndexer::~ConfIndexer()
{
deleteZ(m_fsindexer);
#ifndef DISABLE_WEB_INDEXER
deleteZ(m_webindexer);
#endif
}
// Determine if this is likely the first time that the user runs
// indexing. We don't look at the xapiandb as this may have been
// explicitely removed for valid reasons, but at the indexing status
// file, which should be unexistant-or-empty only before any indexing
// has ever run
bool ConfIndexer::runFirstIndexing()
{
// Indexing status file existing and not empty ?
if (path_filesize(m_config->getIdxStatusFile()) > 0) {
LOGDEB0("ConfIndexer::runFirstIndexing: no: status file not empty\n");
return false;
}
// And only do this if the user has kept the default topdirs (~).
vector<string> tdl = m_config->getTopdirs();
if (tdl.size() != 1 || tdl[0].compare(path_canon(path_tildexpand("~")))) {
LOGDEB0("ConfIndexer::runFirstIndexing: no: not home only\n");
return false;
}
return true;
}
bool ConfIndexer::firstFsIndexingSequence()
{
LOGDEB("ConfIndexer::firstFsIndexingSequence\n");
deleteZ(m_fsindexer);
m_fsindexer = new FsIndexer(m_config, &m_db, m_updater);
if (!m_fsindexer) {
return false;
}
int flushmb = m_db.getFlushMb();
m_db.setFlushMb(2);
m_fsindexer->index(IxFQuickShallow);
m_db.doFlush();
m_db.setFlushMb(flushmb);
return true;
}
bool ConfIndexer::index(bool resetbefore, ixType typestorun, int flags)
{
Rcl::Db::OpenMode mode = resetbefore ? Rcl::Db::DbTrunc : Rcl::Db::DbUpd;
if (!m_db.open(mode)) {
LOGERR("ConfIndexer: error opening database " << m_config->getDbDir() <<
" : " << m_db.getReason() << "\n");
addIdxReason("indexer", m_db.getReason());
return false;
}
m_config->setKeyDir(cstr_null);
if (typestorun & IxTFs) {
if (runFirstIndexing()) {
firstFsIndexingSequence();
}
deleteZ(m_fsindexer);
m_fsindexer = new FsIndexer(m_config, &m_db, m_updater);
if (!m_fsindexer || !m_fsindexer->index(flags)) {
addIdxReason("indexer", "Index creation failed. See log");
m_db.close();
return false;
}
}
#ifndef DISABLE_WEB_INDEXER
if (m_doweb && (typestorun & IxTWebQueue)) {
runWebFilesMoverScript(m_config);
deleteZ(m_webindexer);
m_webindexer = new WebQueueIndexer(m_config, &m_db, m_updater);
if (!m_webindexer || !m_webindexer->index()) {
m_db.close();
addIdxReason("indexer", "Web index creation failed. See log");
return false;
}
}
#endif
if (typestorun == IxTAll) {
// Get rid of all database entries that don't exist in the
// filesystem anymore. Only if all *configured* indexers ran.
if (m_updater && !m_updater->update(DbIxStatus::DBIXS_PURGE, "")) {
m_db.close();
addIdxReason("indexer", "Index purge failed. See log");
return false;
}
m_db.purge();
}
// The close would be done in our destructor, but we want status
// here. Makes no sense to check for cancel, we'll have to close
// anyway
if (m_updater)
m_updater->update(DbIxStatus::DBIXS_CLOSING, string());
if (!m_db.close()) {
LOGERR("ConfIndexer::index: error closing database in " <<
m_config->getDbDir() << "\n");
addIdxReason("indexer", "Index close/flush failed. See log");
return false;
}
if (m_updater && !m_updater->update(DbIxStatus::DBIXS_CLOSING, string()))
return false;
bool ret = true;
if (!createStemmingDatabases()) {
ret = false;
}
if (m_updater && !m_updater->update(DbIxStatus::DBIXS_CLOSING, string()))
return false;
// Don't fail indexing because of an aspell issue: we ignore the status.
// Messages were written to the reasons output
(void)createAspellDict();
clearMimeHandlerCache();
if (m_updater)
m_updater->update(DbIxStatus::DBIXS_DONE, string());
return ret;
}
bool ConfIndexer::indexFiles(list<string>& ifiles, int flag)
{
list<string> myfiles;
string origcwd = m_config->getOrigCwd();
for (const auto& entry : ifiles) {
myfiles.push_back(path_canon(entry, &origcwd));
}
myfiles.sort();
if (!m_db.open(Rcl::Db::DbUpd)) {
LOGERR("ConfIndexer: indexFiles error opening database " <<
m_config->getDbDir() << "\n");
return false;
}
m_config->setKeyDir(cstr_null);
bool ret = false;
if (!m_fsindexer)
m_fsindexer = new FsIndexer(m_config, &m_db, m_updater);
if (m_fsindexer)
ret = m_fsindexer->indexFiles(myfiles, flag);
LOGDEB2("ConfIndexer::indexFiles: fsindexer returned " << ret << ", " <<
myfiles.size() << " files remainining\n");
#ifndef DISABLE_WEB_INDEXER
if (m_doweb && !myfiles.empty() && !(flag & IxFNoWeb)) {
if (!m_webindexer)
m_webindexer = new WebQueueIndexer(m_config, &m_db, m_updater);
if (m_webindexer) {
ret = ret && m_webindexer->indexFiles(myfiles);
} else {
ret = false;
}
}
#endif
if (flag & IxFDoPurge) {
m_db.purge();
}
// The close would be done in our destructor, but we want status here
if (!m_db.close()) {
LOGERR("ConfIndexer::index: error closing database in " <<
m_config->getDbDir() << "\n");
return false;
}
ifiles = myfiles;
clearMimeHandlerCache();
return ret;
}
// Update index for specific documents. The docs come from an index
// query, so the udi, backend etc. fields are filled.
bool ConfIndexer::updateDocs(vector<Rcl::Doc> &docs, IxFlag flag)
{
vector<string> paths;
docsToPaths(docs, paths);
list<string> files(paths.begin(), paths.end());
if (!files.empty()) {
return indexFiles(files, flag);
}
return true;
}
bool ConfIndexer::purgeFiles(list<string> &files, int flag)
{
list<string> myfiles;
string origcwd = m_config->getOrigCwd();
for (const auto& entry : files) {
myfiles.push_back(path_canon(entry, &origcwd));
}
myfiles.sort();
if (!m_db.open(Rcl::Db::DbUpd)) {
LOGERR("ConfIndexer: purgeFiles error opening database " <<
m_config->getDbDir() << "\n");
return false;
}
bool ret = false;
m_config->setKeyDir(cstr_null);
if (!m_fsindexer)
m_fsindexer = new FsIndexer(m_config, &m_db, m_updater);
if (m_fsindexer)
ret = m_fsindexer->purgeFiles(myfiles);
#ifndef DISABLE_WEB_INDEXER
if (m_doweb && !myfiles.empty() && !(flag & IxFNoWeb)) {
if (!m_webindexer)
m_webindexer = new WebQueueIndexer(m_config, &m_db, m_updater);
if (m_webindexer) {
ret = ret && m_webindexer->purgeFiles(myfiles);
} else {
ret = false;
}
}
#endif
// The close would be done in our destructor, but we want status here
if (!m_db.close()) {
LOGERR("ConfIndexer::purgefiles: error closing database in " <<
m_config->getDbDir() << "\n");
return false;
}
return ret;
}
// Create stemming databases. We also remove those which are not
// configured.
bool ConfIndexer::createStemmingDatabases()
{
string slangs;
bool ret = true;
if (m_config->getConfParam("indexstemminglanguages", slangs)) {
if (!m_db.open(Rcl::Db::DbUpd)) {
LOGERR("ConfIndexer::createStemmingDb: could not open db\n");
addIdxReason("stemming", "could not open db");
return false;
}
vector<string> langs;
stringToStrings(slangs, langs);
// Get the list of existing stem dbs from the database (some may have
// been manually created, we just keep those from the config
vector<string> dblangs = m_db.getStemLangs();
vector<string>::const_iterator it;
for (it = dblangs.begin(); it != dblangs.end(); it++) {
if (find(langs.begin(), langs.end(), *it) == langs.end())
m_db.deleteStemDb(*it);
}
ret = ret && m_db.createStemDbs(langs);
if (!ret) {
addIdxReason("stemming", "stem db creation failed");
}
}
m_db.close();
return ret;
}
bool ConfIndexer::createStemDb(const string &lang)
{
if (!m_db.open(Rcl::Db::DbUpd))
return false;
vector<string> langs;
stringToStrings(lang, langs);
return m_db.createStemDbs(langs);
}
// The language for the aspell dictionary is handled internally by the aspell
// module, either from a configuration variable or the NLS environment.
bool ConfIndexer::createAspellDict()
{
LOGDEB2("ConfIndexer::createAspellDict()\n");
#ifdef RCL_USE_ASPELL
// For the benefit of the real-time indexer, we only initialize
// noaspell from the configuration once. It can then be set to
// true if dictionary generation fails, which avoids retrying
// it forever.
static int noaspell = -12345;
if (noaspell == -12345) {
noaspell = false;
m_config->getConfParam("noaspell", &noaspell);
}
if (noaspell)
return true;
if (!m_db.open(Rcl::Db::DbRO)) {
LOGERR("ConfIndexer::createAspellDict: could not open db\n");
return false;
}
Aspell aspell(m_config);
string reason;
if (!aspell.init(reason)) {
LOGERR("ConfIndexer::createAspellDict: aspell init failed: " <<
reason << "\n");
noaspell = true;
return false;
}
LOGDEB("ConfIndexer::createAspellDict: creating dictionary\n");
if (!aspell.buildDict(m_db, reason)) {
LOGERR("ConfIndexer::createAspellDict: aspell buildDict failed: " <<
reason << "\n");
addIdxReason("aspell", reason);
noaspell = true;
return false;
}
#endif
return true;
}
vector<string> ConfIndexer::getStemmerNames()
{
return Rcl::Db::getStemmerNames();
}