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// @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"
namespace mongo {
/* Approved formats for versionString:
* 1.2.3
* 1.2.3-pre-
* 1.2.3-rc4 (up to rc9)
* 1.2.3-rc4-pre-
* If you really need to do something else you'll need to fix _versionArray()
*/
const char versionString[] = "2.7.6";
// See unit test for example outputs
BSONArray toVersionArray(const char* version){
// 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, -10 to -1 = -10 + 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 (startsWith(curPart, "rc")){
num = 0;
verify( parseNumberFromString( curPart.substr(2), &num ).isOK() );
finalPart = -10 + num;
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();
}
#ifndef _SCONS
//
// The following implementations are provided for use when buildinfo.cpp is not autogenerated.
//
const char * gitVersion() { return "not-scons"; }
const char * compiledJSEngine() { return ""; }
const char * allocator() { return ""; }
const char * loaderFlags() { return ""; }
const char * compilerFlags() { return ""; }
#if defined(_WIN32)
#else // defined(_WIN32)
string sysInfo() { return ""; }
#endif // defined(_WIN32)
#endif // !defined(_SCONS)
} // namespace mongo
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