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
|
/**
* Copyright (C) 2015 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.
*/
#pragma once
#include <string>
#include "mongo/db/jsobj.h"
namespace mongo {
namespace repl {
extern int maxSyncSourceLagSecs;
extern double replElectionTimeoutOffsetLimitFraction;
class ReplSettings {
public:
// Allow index prefetching to be turned on/off
enum class IndexPrefetchConfig {
UNINITIALIZED = 0,
PREFETCH_NONE = 1,
PREFETCH_ID_ONLY = 2,
PREFETCH_ALL = 3
};
std::string ourSetName() const;
bool usingReplSets() const;
/**
* Getters
*/
long long getOplogSizeBytes() const;
std::string getReplSetString() const;
/**
* Static getter for the 'recoverFromOplogAsStandalone' server parameter.
*/
static bool shouldRecoverFromOplogAsStandalone();
/**
* Note: _prefetchIndexMode is initialized to UNINITIALIZED by default.
* To check whether _prefetchIndexMode has been set to a valid value, call
* isPrefetchIndexModeSet().
*/
IndexPrefetchConfig getPrefetchIndexMode() const;
/**
* Checks that _prefetchIndexMode has been set.
*/
bool isPrefetchIndexModeSet() const;
/**
* Setters
*/
void setOplogSizeBytes(long long oplogSizeBytes);
void setReplSetString(std::string replSetString);
void setPrefetchIndexMode(std::string prefetchIndexModeString);
private:
long long _oplogSizeBytes = 0; // --oplogSize
std::string _replSetString; // --replSet[/<seedlist>]
// --indexPrefetch
IndexPrefetchConfig _prefetchIndexMode = IndexPrefetchConfig::UNINITIALIZED;
};
} // namespace repl
} // namespace mongo
|
