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
|
// @file version.cpp
/* Copyright 2009 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.
*/
#include "mongo/platform/basic.h"
#include "mongo/util/version.h"
#include "mongo/base/parse_number.h"
#include "mongo/db/jsobj.h"
#include "mongo/util/mongoutils/str.h"
namespace mongo {
using std::string;
using std::stringstream;
const char versionString[] = "@mongo_code_version@";
// See unit test for example outputs
BSONArray toVersionArray(const char* version){
/* Approved formats for version:
* 1.2.3
* 1.2.3-pre-
* 1.2.3-rc4 (rc0 up to rc49)
* 1.2.3-rc4-pre-
*/
// this is inefficient, but cached so it doesn't matter
BSONArrayBuilder b;
string curPart;
const char* c = version;
int finalPart = 0; // 0 = final release, -100 = pre, -50 to -1 = -50 + X for rcX
do { //walks versionString including NUL byte
if (!(*c == '.' || *c == '-' || *c == '\0')){
curPart += *c;
continue;
}
int num;
if ( parseNumberFromString( curPart, &num ).isOK() ) {
b.append(num);
}
else if (curPart.empty()){
verify(*c == '\0');
break;
}
else if (str::startsWith(curPart, "rc")){
int rc;
invariantOK(parseNumberFromString( curPart.substr(2), &rc ));
invariant(rc >= 0);
invariant(rc < 50); // Need to adjust calculation if we pass this.
finalPart = -50 + rc;
break;
}
else if (curPart == "pre"){
finalPart = -100;
break;
}
curPart = "";
} while (*c++);
b.append(finalPart);
return b.arr();
}
bool isSameMajorVersion( const char* version ) {
BSONArray remoteVersionArray = toVersionArray( version );
BSONObjIterator remoteIt(remoteVersionArray);
BSONObjIterator myIt(versionArray);
// Compare only the first two fields of the version
int compareLen = 2;
while (compareLen > 0 && remoteIt.more() && myIt.more()) {
if (remoteIt.next().numberInt() != myIt.next().numberInt()) break;
compareLen--;
}
return compareLen == 0;
}
const BSONArray versionArray = toVersionArray(versionString);
string mongodVersion() {
stringstream ss;
ss << "db version v" << versionString;
return ss.str();
}
} // namespace mongo
|
