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
|
/**
* Copyright (C) 2014 MongoDB 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.
*/
#include "mongo/platform/basic.h"
#include "mongo/base/init.h"
#include "mongo/bson/bsonobjbuilder.h"
#include "mongo/db/service_context.h"
#include "mongo/db/storage/mmap_v1/mmap_v1_engine.h"
#include "mongo/db/storage/storage_engine_metadata.h"
#include "mongo/db/storage/storage_options.h"
namespace mongo {
namespace {
class MMAPV1Factory : public StorageEngine::Factory {
public:
virtual ~MMAPV1Factory() {}
virtual StorageEngine* create(const StorageGlobalParams& params,
const StorageEngineLockFile& lockFile) const {
return new MMAPV1Engine(lockFile);
}
virtual StringData getCanonicalName() const {
return "mmapv1";
}
virtual Status validateMetadata(const StorageEngineMetadata& metadata,
const StorageGlobalParams& params) const {
Status status =
metadata.validateStorageEngineOption("directoryPerDB", params.directoryperdb);
if (!status.isOK()) {
return status;
}
return Status::OK();
}
virtual BSONObj createMetadataOptions(const StorageGlobalParams& params) const {
BSONObjBuilder builder;
builder.appendBool("directoryPerDB", params.directoryperdb);
return builder.obj();
}
};
} // namespace
MONGO_INITIALIZER_WITH_PREREQUISITES(MMAPV1EngineInit, ("SetGlobalEnvironment"))
(InitializerContext* context) {
getGlobalServiceContext()->registerStorageEngine("mmapv1", new MMAPV1Factory());
return Status::OK();
}
} // namespace mongo
|
