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
|
/**
* 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/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
/* pdfile.h
Files:
database.ns - namespace index
database.1 - data files
database.2
...
*/
#pragma once
#include "mongo/db/client.h"
#include "mongo/db/catalog/database.h"
#include "mongo/db/diskloc.h"
#include "mongo/db/jsobjmanipulator.h"
#include "mongo/db/storage/data_file.h"
#include "mongo/db/storage/durable_mapped_file.h"
#include "mongo/db/storage/extent.h"
#include "mongo/db/structure/catalog/namespace_details-inl.h"
#include "mongo/db/namespace_string.h"
#include "mongo/db/pdfile_version.h"
#include "mongo/platform/cstdint.h"
#include "mongo/util/log.h"
#include "mongo/util/mmap.h"
namespace mongo {
class DataFileHeader;
class Extent;
class OpDebug;
class Record;
void dropDatabase(const std::string& db);
bool repairDatabase(string db, string &errmsg, bool preserveClonedFilesOnFailure = false, bool backupOriginalFiles = false);
bool userCreateNS(const char *ns, BSONObj j, string& err, bool logForReplication, bool *deferIdIndex = 0);
/*---------------------------------------------------------------------*/
boost::intmax_t dbSize( const char *database );
inline NamespaceIndex* nsindex(const StringData& ns) {
Database *database = cc().database();
verify( database );
DEV {
StringData dbname = nsToDatabaseSubstring( ns );
if ( database->name() != dbname ) {
out() << "ERROR: attempt to write to wrong database\n";
out() << " ns:" << ns << '\n';
out() << " database->name:" << database->name() << endl;
verify( database->name() == dbname );
}
}
return &database->namespaceIndex();
}
inline NamespaceDetails* nsdetails(const StringData& ns) {
// if this faults, did you set the current db first? (Client::Context + dblock)
return nsindex(ns)->details(ns);
}
BOOST_STATIC_ASSERT( 16 == sizeof(DeletedRecord) );
inline BSONObj BSONObj::make(const Record* r ) {
return BSONObj( r->data() );
}
DiskLoc allocateSpaceForANewRecord(const char* ns,
NamespaceDetails* d,
int32_t lenWHdr,
bool god);
void addRecordToRecListInExtent(Record* r, DiskLoc loc);
} // namespace mongo
|
