/
db.cpp
1184 lines (1027 loc) · 39.9 KB
/
db.cpp
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
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// @file db.cpp : Defines main() for the mongod program.
/**
* Copyright (C) 2008 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "pch.h"
#include "db.h"
#include "query.h"
#include "introspect.h"
#include "repl.h"
#include "../util/unittest.h"
#include "../util/file_allocator.h"
#include "../util/background.h"
#include "../util/text.h"
#include "dbmessage.h"
#include "instance.h"
#include "clientcursor.h"
#include "pdfile.h"
#include "stats/counters.h"
#include "repl/rs.h"
#include "../scripting/engine.h"
#include "module.h"
#include "cmdline.h"
#include "stats/snapshots.h"
#include "../util/concurrency/task.h"
#include "../util/version.h"
#include "../util/ramlog.h"
#include "../util/message_server.h"
#include "client.h"
#include "restapi.h"
#include "dbwebserver.h"
#include "dur.h"
#include "concurrency.h"
#include "../s/d_writeback.h"
#if defined(_WIN32)
# include "../util/ntservice.h"
#else
# include <sys/file.h>
#endif
namespace mongo {
namespace dur {
extern unsigned long long DataLimitPerJournalFile;
}
/* only off if --nocursors which is for debugging. */
extern bool useCursors;
/* only off if --nohints */
extern bool useHints;
extern int diagLogging;
extern unsigned lenForNewNsFiles;
extern int lockFile;
extern bool checkNsFilesOnLoad;
extern string repairpath;
void setupSignals( bool inFork );
void startReplSets(ReplSetCmdline*);
void startReplication();
void exitCleanly( ExitCode code );
CmdLine cmdLine;
static bool scriptingEnabled = true;
bool noHttpInterface = false;
bool shouldRepairDatabases = 0;
static bool forceRepair = 0;
Timer startupSrandTimer;
const char *ourgetns() {
Client *c = currentClient.get();
if ( ! c )
return "";
Client::Context* cc = c->getContext();
return cc ? cc->ns() : "";
}
struct MyStartupTests {
MyStartupTests() {
assert( sizeof(OID) == 12 );
}
} mystartupdbcpp;
QueryResult* emptyMoreResult(long long);
/* todo: make this a real test. the stuff in dbtests/ seem to do all dbdirectclient which exhaust doesn't support yet. */
// QueryOption_Exhaust
#define TESTEXHAUST 0
#if( TESTEXHAUST )
void testExhaust() {
sleepsecs(1);
unsigned n = 0;
auto f = [&n](const BSONObj& o) {
assert( o.valid() );
//cout << o << endl;
n++;
bool testClosingSocketOnError = false;
if( testClosingSocketOnError )
assert(false);
};
DBClientConnection db(false);
db.connect("localhost");
const char *ns = "local.foo";
if( db.count(ns) < 10000 )
for( int i = 0; i < 20000; i++ )
db.insert(ns, BSON("aaa" << 3 << "b" << "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"));
try {
db.query(f, ns, Query() );
}
catch(...) {
cout << "hmmm" << endl;
}
try {
db.query(f, ns, Query() );
}
catch(...) {
cout << "caught" << endl;
}
cout << n << endl;
};
#endif
void sysRuntimeInfo() {
out() << "sysinfo:\n";
#if defined(_SC_PAGE_SIZE)
out() << " page size: " << (int) sysconf(_SC_PAGE_SIZE) << endl;
#endif
#if defined(_SC_PHYS_PAGES)
out() << " _SC_PHYS_PAGES: " << sysconf(_SC_PHYS_PAGES) << endl;
#endif
#if defined(_SC_AVPHYS_PAGES)
out() << " _SC_AVPHYS_PAGES: " << sysconf(_SC_AVPHYS_PAGES) << endl;
#endif
}
/* if server is really busy, wait a bit */
void beNice() {
sleepmicros( Client::recommendedYieldMicros() );
}
class MyMessageHandler : public MessageHandler {
public:
virtual void connected( AbstractMessagingPort* p ) {
Client& c = Client::initThread("conn", p);
c.getAuthenticationInfo()->isLocalHost = p->remote().isLocalHost();
}
virtual void process( Message& m , AbstractMessagingPort* port , LastError * le) {
while ( true ) {
if ( inShutdown() ) {
log() << "got request after shutdown()" << endl;
break;
}
lastError.startRequest( m , le );
DbResponse dbresponse;
assembleResponse( m, dbresponse, port->remote() );
if ( dbresponse.response ) {
port->reply(m, *dbresponse.response, dbresponse.responseTo);
if( dbresponse.exhaust ) {
MsgData *header = dbresponse.response->header();
QueryResult *qr = (QueryResult *) header;
long long cursorid = qr->cursorId;
if( cursorid ) {
assert( dbresponse.exhaust && *dbresponse.exhaust != 0 );
string ns = dbresponse.exhaust; // before reset() free's it...
m.reset();
BufBuilder b(512);
b.appendNum((int) 0 /*size set later in appendData()*/);
b.appendNum(header->id);
b.appendNum(header->responseTo);
b.appendNum((int) dbGetMore);
b.appendNum((int) 0);
b.appendStr(ns);
b.appendNum((int) 0); // ntoreturn
b.appendNum(cursorid);
m.appendData(b.buf(), b.len());
b.decouple();
DEV log() << "exhaust=true sending more" << endl;
beNice();
continue; // this goes back to top loop
}
}
}
break;
}
}
virtual void disconnected( AbstractMessagingPort* p ) {
Client * c = currentClient.get();
if( c ) c->shutdown();
globalScriptEngine->threadDone();
}
};
void listen(int port) {
//testTheDb();
log() << "waiting for connections on port " << port << endl;
MessageServer::Options options;
options.port = port;
options.ipList = cmdLine.bind_ip;
MessageServer * server = createServer( options , new MyMessageHandler() );
server->setAsTimeTracker();
startReplication();
if ( !noHttpInterface )
boost::thread web( boost::bind(&webServerThread, new RestAdminAccess() /* takes ownership */));
#if(TESTEXHAUST)
boost::thread thr(testExhaust);
#endif
server->run();
}
bool doDBUpgrade( const string& dbName , string errmsg , DataFileHeader * h ) {
static DBDirectClient db;
if ( h->version == 4 && h->versionMinor == 4 ) {
assert( VERSION == 4 );
assert( VERSION_MINOR == 5 );
list<string> colls = db.getCollectionNames( dbName );
for ( list<string>::iterator i=colls.begin(); i!=colls.end(); i++) {
string c = *i;
log() << "\t upgrading collection:" << c << endl;
BSONObj out;
bool ok = db.runCommand( dbName , BSON( "reIndex" << c.substr( dbName.size() + 1 ) ) , out );
if ( ! ok ) {
errmsg = "reindex failed";
log() << "\t\t reindex failed: " << out << endl;
return false;
}
}
h->versionMinor = 5;
return true;
}
// do this in the general case
return repairDatabase( dbName.c_str(), errmsg );
}
// ran at startup.
static void repairDatabasesAndCheckVersion() {
// LastError * le = lastError.get( true );
Client::GodScope gs;
log(1) << "enter repairDatabases (to check pdfile version #)" << endl;
//assert(checkNsFilesOnLoad);
checkNsFilesOnLoad = false; // we are mainly just checking the header - don't scan the whole .ns file for every db here.
dblock lk;
vector< string > dbNames;
getDatabaseNames( dbNames );
for ( vector< string >::iterator i = dbNames.begin(); i != dbNames.end(); ++i ) {
string dbName = *i;
log(1) << "\t" << dbName << endl;
Client::Context ctx( dbName );
MongoDataFile *p = cc().database()->getFile( 0 );
DataFileHeader *h = p->getHeader();
if ( !h->isCurrentVersion() || forceRepair ) {
if( h->version <= 0 ) {
uasserted(14026,
str::stream() << "db " << dbName << " appears corrupt pdfile version: " << h->version
<< " info: " << h->versionMinor << ' ' << h->fileLength);
}
log() << "****" << endl;
log() << "****" << endl;
log() << "need to upgrade database " << dbName << " with pdfile version " << h->version << "." << h->versionMinor << ", "
<< "new version: " << VERSION << "." << VERSION_MINOR << endl;
if ( shouldRepairDatabases ) {
// QUESTION: Repair even if file format is higher version than code?
log() << "\t starting upgrade" << endl;
string errmsg;
assert( doDBUpgrade( dbName , errmsg , h ) );
}
else {
log() << "\t Not upgrading, exiting" << endl;
log() << "\t run --upgrade to upgrade dbs, then start again" << endl;
log() << "****" << endl;
dbexit( EXIT_NEED_UPGRADE );
shouldRepairDatabases = 1;
return;
}
}
else {
Database::closeDatabase( dbName.c_str(), dbpath );
}
}
log(1) << "done repairDatabases" << endl;
if ( shouldRepairDatabases ) {
log() << "finished checking dbs" << endl;
cc().shutdown();
dbexit( EXIT_CLEAN );
}
checkNsFilesOnLoad = true;
}
void clearTmpFiles() {
boost::filesystem::path path( dbpath );
for ( boost::filesystem::directory_iterator i( path );
i != boost::filesystem::directory_iterator(); ++i ) {
string fileName = boost::filesystem::path(*i).leaf();
if ( boost::filesystem::is_directory( *i ) &&
fileName.length() && fileName[ 0 ] == '$' )
boost::filesystem::remove_all( *i );
}
}
void clearTmpCollections() {
Client::GodScope gs;
vector< string > toDelete;
DBDirectClient cli;
auto_ptr< DBClientCursor > c = cli.query( "local.system.namespaces", Query( fromjson( "{name:/^local.temp./}" ) ) );
while( c->more() ) {
BSONObj o = c->next();
toDelete.push_back( o.getStringField( "name" ) );
}
for( vector< string >::iterator i = toDelete.begin(); i != toDelete.end(); ++i ) {
log() << "Dropping old temporary collection: " << *i << endl;
cli.dropCollection( *i );
}
}
void flushDiagLog();
/**
* does background async flushes of mmapped files
*/
class DataFileSync : public BackgroundJob {
public:
string name() const { return "DataFileSync"; }
void run() {
if( cmdLine.syncdelay == 0 )
log() << "warning: --syncdelay 0 is not recommended and can have strange performance" << endl;
else if( cmdLine.syncdelay == 1 )
log() << "--syncdelay 1" << endl;
else if( cmdLine.syncdelay != 60 )
log(1) << "--syncdelay " << cmdLine.syncdelay << endl;
int time_flushing = 0;
while ( ! inShutdown() ) {
flushDiagLog();
if ( cmdLine.syncdelay == 0 ) {
// in case at some point we add an option to change at runtime
sleepsecs(5);
continue;
}
sleepmillis( (long long) std::max(0.0, (cmdLine.syncdelay * 1000) - time_flushing) );
if ( inShutdown() ) {
// occasional issue trying to flush during shutdown when sleep interrupted
break;
}
Date_t start = jsTime();
int numFiles = MemoryMappedFile::flushAll( true );
time_flushing = (int) (jsTime() - start);
globalFlushCounters.flushed(time_flushing);
log(1) << "flushing mmap took " << time_flushing << "ms " << " for " << numFiles << " files" << endl;
}
}
} dataFileSync;
const char * jsInterruptCallback() {
// should be safe to interrupt in js code, even if we have a write lock
return killCurrentOp.checkForInterruptNoAssert( false );
}
unsigned jsGetInterruptSpecCallback() {
return cc().curop()->opNum();
}
void _initAndListen(int listenPort ) {
Client::initThread("initandlisten");
Logstream::get().addGlobalTee( new RamLog("global") );
bool is32bit = sizeof(int*) == 4;
{
#if !defined(_WIN32)
pid_t pid = getpid();
#else
DWORD pid=GetCurrentProcessId();
#endif
Nullstream& l = log();
l << "MongoDB starting : pid=" << pid << " port=" << cmdLine.port << " dbpath=" << dbpath;
if( replSettings.master ) l << " master=" << replSettings.master;
if( replSettings.slave ) l << " slave=" << (int) replSettings.slave;
l << ( is32bit ? " 32" : " 64" ) << "-bit host=" << getHostNameCached() << endl;
}
DEV log() << "_DEBUG build (which is slower)" << endl;
show_warnings();
log() << mongodVersion() << endl;
printGitVersion();
printSysInfo();
{
stringstream ss;
ss << "dbpath (" << dbpath << ") does not exist";
uassert( 10296 , ss.str().c_str(), boost::filesystem::exists( dbpath ) );
}
{
stringstream ss;
ss << "repairpath (" << repairpath << ") does not exist";
uassert( 12590 , ss.str().c_str(), boost::filesystem::exists( repairpath ) );
}
acquirePathLock(forceRepair);
remove_all( dbpath + "/_tmp/" );
FileAllocator::get()->start();
MONGO_BOOST_CHECK_EXCEPTION_WITH_MSG( clearTmpFiles(), "clear tmp files" );
_diaglog.init();
dur::startup();
if( cmdLine.durOptions & CmdLine::DurRecoverOnly )
return;
// comes after getDur().startup() because this reads from the database
clearTmpCollections();
Module::initAll();
if ( scriptingEnabled ) {
ScriptEngine::setup();
globalScriptEngine->setCheckInterruptCallback( jsInterruptCallback );
globalScriptEngine->setGetInterruptSpecCallback( jsGetInterruptSpecCallback );
}
repairDatabasesAndCheckVersion();
/* we didn't want to pre-open all files for the repair check above. for regular
operation we do for read/write lock concurrency reasons.
*/
Database::_openAllFiles = true;
if ( shouldRepairDatabases )
return;
/* this is for security on certain platforms (nonce generation) */
srand((unsigned) (curTimeMicros() ^ startupSrandTimer.micros()));
snapshotThread.go();
clientCursorMonitor.go();
PeriodicTask::theRunner->go();
if( !cmdLine._replSet.empty() ) {
replSet = true;
ReplSetCmdline *replSetCmdline = new ReplSetCmdline(cmdLine._replSet);
boost::thread t( boost::bind( &startReplSets, replSetCmdline) );
}
listen(listenPort);
// listen() will return when exit code closes its socket.
exitCleanly(EXIT_NET_ERROR);
}
void testPretouch();
void initAndListen(int listenPort) {
try {
_initAndListen(listenPort);
}
catch ( DBException &e ) {
log() << "exception in initAndListen: " << e.toString() << ", terminating" << endl;
dbexit( EXIT_UNCAUGHT );
}
catch ( std::exception &e ) {
log() << "exception in initAndListen std::exception: " << e.what() << ", terminating" << endl;
dbexit( EXIT_UNCAUGHT );
}
catch ( int& n ) {
log() << "exception in initAndListen int: " << n << ", terminating" << endl;
dbexit( EXIT_UNCAUGHT );
}
catch(...) {
log() << "exception in initAndListen, terminating" << endl;
dbexit( EXIT_UNCAUGHT );
}
}
#if defined(_WIN32)
bool initService() {
ServiceController::reportStatus( SERVICE_RUNNING );
initAndListen( cmdLine.port );
return true;
}
#endif
} // namespace mongo
using namespace mongo;
#include <boost/program_options.hpp>
#undef assert
#define assert MONGO_assert
namespace po = boost::program_options;
void show_help_text(po::options_description options) {
show_warnings();
cout << options << endl;
};
/* Return error string or "" if no errors. */
string arg_error_check(int argc, char* argv[]) {
return "";
}
int main(int argc, char* argv[]) {
static StaticObserver staticObserver;
doPreServerStatupInits();
getcurns = ourgetns;
po::options_description general_options("General options");
#if defined(_WIN32)
po::options_description windows_scm_options("Windows Service Control Manager options");
#endif
po::options_description replication_options("Replication options");
po::options_description ms_options("Master/slave options");
po::options_description rs_options("Replica set options");
po::options_description sharding_options("Sharding options");
po::options_description visible_options("Allowed options");
po::options_description hidden_options("Hidden options");
po::positional_options_description positional_options;
CmdLine::addGlobalOptions( general_options , hidden_options );
general_options.add_options()
("auth", "run with security")
("cpu", "periodically show cpu and iowait utilization")
("dbpath", po::value<string>() , "directory for datafiles")
("diaglog", po::value<int>(), "0=off 1=W 2=R 3=both 7=W+some reads")
("directoryperdb", "each database will be stored in a separate directory")
("journal", "enable journaling")
("journalOptions", po::value<int>(), "journal diagnostic options")
("ipv6", "enable IPv6 support (disabled by default)")
("jsonp","allow JSONP access via http (has security implications)")
("noauth", "run without security")
("nohttpinterface", "disable http interface")
("noprealloc", "disable data file preallocation - will often hurt performance")
("noscripting", "disable scripting engine")
("notablescan", "do not allow table scans")
#if !defined(_WIN32)
("nounixsocket", "disable listening on unix sockets")
#endif
("nssize", po::value<int>()->default_value(16), ".ns file size (in MB) for new databases")
("objcheck", "inspect client data for validity on receipt")
("profile",po::value<int>(), "0=off 1=slow, 2=all")
("quota", "limits each database to a certain number of files (8 default)")
("quotaFiles", po::value<int>(), "number of files allower per db, requires --quota")
("rest","turn on simple rest api")
("repair", "run repair on all dbs")
("repairpath", po::value<string>() , "root directory for repair files - defaults to dbpath" )
("slowms",po::value<int>(&cmdLine.slowMS)->default_value(100), "value of slow for profile and console log" )
("smallfiles", "use a smaller default file size")
("syncdelay",po::value<double>(&cmdLine.syncdelay)->default_value(60), "seconds between disk syncs (0=never, but not recommended)")
("sysinfo", "print some diagnostic system information")
("upgrade", "upgrade db if needed")
;
#if defined(_WIN32)
CmdLine::addWindowsOptions( windows_scm_options, hidden_options );
#endif
replication_options.add_options()
("fastsync", "indicate that this instance is starting from a dbpath snapshot of the repl peer")
("oplogSize", po::value<int>(), "size limit (in MB) for op log")
;
ms_options.add_options()
("master", "master mode")
("slave", "slave mode")
("source", po::value<string>(), "when slave: specify master as <server:port>")
("only", po::value<string>(), "when slave: specify a single database to replicate")
("slavedelay", po::value<int>(), "specify delay (in seconds) to be used when applying master ops to slave")
("autoresync", "automatically resync if slave data is stale")
;
rs_options.add_options()
("replSet", po::value<string>(), "arg is <setname>[/<optionalseedhostlist>]")
;
sharding_options.add_options()
("configsvr", "declare this is a config db of a cluster; default port 27019; default dir /data/configdb")
("shardsvr", "declare this is a shard db of a cluster; default port 27018")
("noMoveParanoia" , "turn off paranoid saving of data for moveChunk. this is on by default for now, but default will switch" )
;
hidden_options.add_options()
("pretouch", po::value<int>(), "n pretouch threads for applying replicationed operations")
("command", po::value< vector<string> >(), "command")
("cacheSize", po::value<long>(), "cache size (in MB) for rec store")
// these move to unhidden later:
("nodur", "disable journaling (currently the default)")
("nojournal", "disable journaling (currently the default)")
// things we don't want people to use
("nocursors", "diagnostic/debugging option that turns off cursors DO NOT USE IN PRODUCTION")
("nohints", "ignore query hints")
("dur", "enable journaling") // deprecated version
("durOptions", po::value<int>(), "durability diagnostic options") // deprecated version
// deprecated pairing command line options
("pairwith", "DEPRECATED")
("arbiter", "DEPRECATED")
("opIdMem", "DEPRECATED")
;
positional_options.add("command", 3);
visible_options.add(general_options);
#if defined(_WIN32)
visible_options.add(windows_scm_options);
#endif
visible_options.add(replication_options);
visible_options.add(ms_options);
visible_options.add(rs_options);
visible_options.add(sharding_options);
Module::addOptions( visible_options );
setupCoreSignals();
setupSignals( false );
dbExecCommand = argv[0];
srand(curTimeMicros());
#if( BOOST_VERSION >= 104500 )
boost::filesystem::path::default_name_check( boost::filesystem2::no_check );
#else
boost::filesystem::path::default_name_check( boost::filesystem::no_check );
#endif
{
unsigned x = 0x12345678;
unsigned char& b = (unsigned char&) x;
if ( b != 0x78 ) {
out() << "big endian cpus not yet supported" << endl;
return 33;
}
}
if( argc == 1 )
cout << dbExecCommand << " --help for help and startup options" << endl;
{
po::variables_map params;
string error_message = arg_error_check(argc, argv);
if (error_message != "") {
cout << error_message << endl << endl;
show_help_text(visible_options);
return 0;
}
if ( ! CmdLine::store( argc , argv , visible_options , hidden_options , positional_options , params ) )
return 0;
if (params.count("help")) {
show_help_text(visible_options);
return 0;
}
if (params.count("version")) {
cout << mongodVersion() << endl;
printGitVersion();
return 0;
}
if ( params.count( "dbpath" ) ) {
dbpath = params["dbpath"].as<string>();
if ( params.count( "fork" ) && dbpath[0] != '/' ) {
// we need to change dbpath if we fork since we change
// cwd to "/"
// fork only exists on *nix
// so '/' is safe
dbpath = cmdLine.cwd + "/" + dbpath;
}
}
else {
dbpath = "/data/db/";
}
if ( params.count("directoryperdb")) {
directoryperdb = true;
}
if (params.count("cpu")) {
cmdLine.cpu = true;
}
if (params.count("noauth")) {
noauth = true;
}
if (params.count("auth")) {
noauth = false;
}
if (params.count("quota")) {
cmdLine.quota = true;
}
if (params.count("quotaFiles")) {
cmdLine.quota = true;
cmdLine.quotaFiles = params["quotaFiles"].as<int>() - 1;
}
if( params.count("nodur") || params.count( "nojournal" ) ) {
cmdLine.dur = false;
}
if( params.count("dur") || params.count( "journal" ) ) {
cmdLine.dur = true;
}
if (params.count("durOptions")) {
cmdLine.durOptions = params["durOptions"].as<int>();
}
if (params.count("journalOptions")) {
cmdLine.durOptions = params["journalOptions"].as<int>();
}
if (params.count("objcheck")) {
objcheck = true;
}
if (params.count("repairpath")) {
repairpath = params["repairpath"].as<string>();
if (!repairpath.size()) {
out() << "repairpath is empty" << endl;
dbexit( EXIT_BADOPTIONS );
}
}
if (params.count("nocursors")) {
useCursors = false;
}
if (params.count("nohints")) {
useHints = false;
}
if (params.count("nohttpinterface")) {
noHttpInterface = true;
}
if (params.count("rest")) {
cmdLine.rest = true;
}
if (params.count("jsonp")) {
cmdLine.jsonp = true;
}
if (params.count("noscripting")) {
scriptingEnabled = false;
}
if (params.count("noprealloc")) {
cmdLine.prealloc = false;
cout << "note: noprealloc may hurt performance in many applications" << endl;
}
if (params.count("smallfiles")) {
cmdLine.smallfiles = true;
assert( dur::DataLimitPerJournalFile >= 128 * 1024 * 1024 );
dur::DataLimitPerJournalFile = 128 * 1024 * 1024;
}
if (params.count("diaglog")) {
int x = params["diaglog"].as<int>();
if ( x < 0 || x > 7 ) {
out() << "can't interpret --diaglog setting" << endl;
dbexit( EXIT_BADOPTIONS );
}
_diaglog.level = x;
}
if (params.count("sysinfo")) {
sysRuntimeInfo();
return 0;
}
if (params.count("repair")) {
shouldRepairDatabases = 1;
forceRepair = 1;
}
if (params.count("upgrade")) {
shouldRepairDatabases = 1;
}
if (params.count("notablescan")) {
cmdLine.noTableScan = true;
}
if (params.count("master")) {
replSettings.master = true;
}
if (params.count("slave")) {
replSettings.slave = SimpleSlave;
}
if (params.count("slavedelay")) {
replSettings.slavedelay = params["slavedelay"].as<int>();
}
if (params.count("fastsync")) {
replSettings.fastsync = true;
}
if (params.count("autoresync")) {
replSettings.autoresync = true;
if( params.count("replSet") ) {
out() << "--autoresync is not used with --replSet" << endl;
out() << "see http://www.mongodb.org/display/DOCS/Resyncing+a+Very+Stale+Replica+Set+Member" << endl;
dbexit( EXIT_BADOPTIONS );
}
}
if (params.count("source")) {
/* specifies what the source in local.sources should be */
cmdLine.source = params["source"].as<string>().c_str();
}
if( params.count("pretouch") ) {
cmdLine.pretouch = params["pretouch"].as<int>();
}
if (params.count("replSet")) {
if (params.count("slavedelay")) {
out() << "--slavedelay cannot be used with --replSet" << endl;
dbexit( EXIT_BADOPTIONS );
}
else if (params.count("only")) {
out() << "--only cannot be used with --replSet" << endl;
dbexit( EXIT_BADOPTIONS );
}
/* seed list of hosts for the repl set */
cmdLine._replSet = params["replSet"].as<string>().c_str();
}
if (params.count("only")) {
cmdLine.only = params["only"].as<string>().c_str();
}
if( params.count("nssize") ) {
int x = params["nssize"].as<int>();
if (x <= 0 || x > (0x7fffffff/1024/1024)) {
out() << "bad --nssize arg" << endl;
dbexit( EXIT_BADOPTIONS );
}
lenForNewNsFiles = x * 1024 * 1024;
assert(lenForNewNsFiles > 0);
}
if (params.count("oplogSize")) {
long long x = params["oplogSize"].as<int>();
if (x <= 0) {
out() << "bad --oplogSize arg" << endl;
dbexit( EXIT_BADOPTIONS );
}
// note a small size such as x==1 is ok for an arbiter.
if( x > 1000 && sizeof(void*) == 4 ) {
out() << "--oplogSize of " << x << "MB is too big for 32 bit version. Use 64 bit build instead." << endl;
dbexit( EXIT_BADOPTIONS );
}
cmdLine.oplogSize = x * 1024 * 1024;
assert(cmdLine.oplogSize > 0);
}
if (params.count("cacheSize")) {
long x = params["cacheSize"].as<long>();
if (x <= 0) {
out() << "bad --cacheSize arg" << endl;
dbexit( EXIT_BADOPTIONS );
}
log() << "--cacheSize option not currently supported" << endl;
}
if (params.count("port") == 0 ) {
if( params.count("configsvr") ) {
cmdLine.port = CmdLine::ConfigServerPort;
}
if( params.count("shardsvr") ) {
if( params.count("configsvr") ) {
log() << "can't do --shardsvr and --configsvr at the same time" << endl;
dbexit( EXIT_BADOPTIONS );
}
cmdLine.port = CmdLine::ShardServerPort;
}
}
else {
if ( cmdLine.port <= 0 || cmdLine.port > 65535 ) {
out() << "bad --port number" << endl;
dbexit( EXIT_BADOPTIONS );
}
}
if ( params.count("configsvr" ) ) {
cmdLine.configsvr = true;
if (cmdLine.usingReplSets() || replSettings.master || replSettings.slave) {
log() << "replication should not be enabled on a config server" << endl;
::exit(-1);
}
if ( params.count( "diaglog" ) == 0 )
_diaglog.level = 1;
if ( params.count( "dbpath" ) == 0 )
dbpath = "/data/configdb";
}
if ( params.count( "profile" ) ) {
cmdLine.defaultProfile = params["profile"].as<int>();
}
if (params.count("nounixsocket")) {
noUnixSocket = true;
}
if (params.count("ipv6")) {
enableIPv6();
}
if (params.count("noMoveParanoia")) {
cmdLine.moveParanoia = false;
}
if (params.count("pairwith") || params.count("arbiter") || params.count("opIdMem")) {
out() << "****" << endl;
out() << "Replica Pairs have been deprecated." << endl;
out() << "<http://www.mongodb.org/display/DOCS/Replica+Pairs>" << endl;
out() << "****" << endl;
dbexit( EXIT_BADOPTIONS );
}
// needs to be after things like --configsvr parsing, thus here.
if( repairpath.empty() )
repairpath = dbpath;
Module::configAll( params );
dataFileSync.go();
if (params.count("command")) {
vector<string> command = params["command"].as< vector<string> >();
if (command[0].compare("run") == 0) {
if (command.size() > 1) {
cout << "Too many parameters to 'run' command" << endl;
cout << visible_options << endl;
return 0;
}
initAndListen(cmdLine.port);
return 0;
}
if (command[0].compare("dbpath") == 0) {
cout << dbpath << endl;
return 0;
}
cout << "Invalid command: " << command[0] << endl;
cout << visible_options << endl;
return 0;
}
if( cmdLine.pretouch )
log() << "--pretouch " << cmdLine.pretouch << endl;
#if defined(_WIN32)
if (serviceParamsCheck( params, dbpath, argc, argv )) {
return 0;
}
#endif
}
UnitTest::runTests();
initAndListen(cmdLine.port);
dbexit(EXIT_CLEAN);
return 0;
}
namespace mongo {
string getDbContext();
#undef out
#if !defined(_WIN32)
} // namespace mongo
#include <signal.h>
#include <string.h>
namespace mongo {
void pipeSigHandler( int signal ) {
#ifdef psignal
psignal( signal, "Signal Received : ");
#else
cout << "got pipe signal:" << signal << endl;