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// @file version.cpp
/* Copyright 2009 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#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[] = "2.6.10-pre-";
// 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)
string sysInfo() {
stringstream ss;
ss << "not-scons win";
ss << " mscver:" << _MSC_FULL_VER << " built:" << __DATE__;
ss << " boostver:" << BOOST_VERSION;
#if( !defined(_MT) )
#error _MT is not defined
#endif // !defined(_MT)
ss << (sizeof(char *) == 8 ? " 64bit" : " 32bit");
return ss.str();
}
#else // defined(_WIN32)
string sysInfo() { return ""; }
#endif // defined(_WIN32)
#endif // !defined(_SCONS)
} // namespace mongo
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