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
|
/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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.
*/
#ifndef UTIL_VERSION_HEADER
#define UTIL_VERSION_HEADER
#include <string>
#include <tuple>
#include <vector>
#include "mongo/base/disallow_copying.h"
#include "mongo/base/string_data.h"
namespace mongo {
class BSONObjBuilder;
/**
* An interface for accessing version information about the current process. A singleton instance of
* this interface is expected to be available via the 'instance' method in processes that need to be
* able to access version information.
*/
class VersionInfoInterface {
MONGO_DISALLOW_COPYING(VersionInfoInterface);
public:
using BuildInfoTuple = std::tuple<StringData, StringData, bool, bool>;
virtual ~VersionInfoInterface() = default;
/**
* The provided implementation of this interface will be returned by the 'instance' method
* below. Ownership of the object is not transferred.
*/
static void enable(const VersionInfoInterface* handler);
enum class NotEnabledAction {
kAbortProcess,
kFallback,
};
/**
* Obtain the currently configured instance of the VersionInfoInterface. By default, if this
* method is called and no implementation has been configured with the 'enable' method above,
* the process will be terminated. If it is not acceptable to terminate the process, the above
* 'kFallback' constant can be provided and defaulted information will be provided.
*/
static const VersionInfoInterface& instance(
NotEnabledAction action = NotEnabledAction::kAbortProcess) noexcept;
/**
* Returns the major version as configured via MONGO_VERSION.
*/
virtual int majorVersion() const noexcept = 0;
/**
* Returns the minor version as configured via MONGO_VERSION.
*/
virtual int minorVersion() const noexcept = 0;
/**
* Returns the patch version as configured via MONGO_VERSION.
*/
virtual int patchVersion() const noexcept = 0;
/**
* Returns the extra version as configured via MONGO_VERSION.
*/
virtual int extraVersion() const noexcept = 0;
/**
* Returns a string representation of MONGO_VERSION.
*/
virtual StringData version() const noexcept = 0;
/**
* Returns a string representation of MONGO_GIT_HASH.
*/
virtual StringData gitVersion() const noexcept = 0;
/**
* Returns a vector describing the enabled modules.
*/
virtual std::vector<StringData> modules() const = 0;
/**
* Returns a string describing the configured memory allocator.
*/
virtual StringData allocator() const noexcept = 0;
/**
* Returns a string describing the configured javascript engine.
*/
virtual StringData jsEngine() const noexcept = 0;
/**
* Returns a string describing the minimum requred OS. Note that this method is currently only
* valid to call when running on Windows.
*/
virtual StringData targetMinOS() const noexcept = 0;
/**
* Returns a vector of tuples describing build information (e.g. LINKFLAGS, compiler, etc.).
*/
virtual std::vector<BuildInfoTuple> buildInfo() const = 0;
/**
* Returns the version of OpenSSL in use, if any, adorned with the provided prefix and suffix.
*/
std::string openSSLVersion(StringData prefix = "", StringData suffix = "") const;
/**
* Returns true if the running version has the same major and minor version as the provided
* string. Note that the minor version is checked, despite the name of this function.
*/
bool isSameMajorVersion(const char* otherVersion) const noexcept;
/**
* Uses the provided text to make a pretty representation of the version.
*/
std::string makeVersionString(StringData binaryName) const;
/**
* Appends the information associated with 'buildInfo', above, to the given builder.
*/
void appendBuildInfo(BSONObjBuilder* result) const;
/**
* Logs the result of 'targetMinOS', above.
*/
void logTargetMinOS() const;
/**
* Logs the result of 'buildInfo', above.
*/
void logBuildInfo() const;
protected:
constexpr VersionInfoInterface() = default;
};
/**
* Returns a pretty string describing the current shell version.
*/
std::string mongoShellVersion(const VersionInfoInterface& provider);
/**
* Returns a pretty string describing the current mongos version.
*/
std::string mongosVersion(const VersionInfoInterface& provider);
/**
* Returns a pretty string describing the current mongod version.
*/
std::string mongodVersion(const VersionInfoInterface& provider);
} // namespace mongo
#endif // UTIL_VERSION_HEADER
|
