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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 "pch.h"
#include <cstdlib>
#include <iostream>
#include <iomanip>
#include <sstream>
#include <string>
#include "unittest.h"
#include "version.h"
namespace mongo {
const char versionString[] = "1.7.5";
string mongodVersion() {
stringstream ss;
ss << "db version v" << versionString << ", pdfile version " << VERSION << "." << VERSION_MINOR;
return ss.str();
}
#ifndef _SCONS
// only works in scons
const char * gitVersion() { return "not-scons"; }
#endif
void printGitVersion() { log() << "git version: " << gitVersion() << endl; }
#ifndef _SCONS
#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
ss << (sizeof(char *) == 8) ? " 64bit" : " 32bit";
return ss.str();
}
#else
string sysInfo() { return ""; }
#endif
#endif
void printSysInfo() {
log() << "sys info: " << sysInfo() << endl;
}
//
// 32 bit systems warning
//
void show_warnings() {
// each message adds a leading but not a trailing newline
bool warned = false;
{
const char * foo = strchr( versionString , '.' ) + 1;
int bar = atoi( foo );
if ( ( 2 * ( bar / 2 ) ) != bar ) {
cout << "\n** NOTE: This is a development version (" << versionString << ") of MongoDB.";
cout << "\n** Not recommended for production." << endl;
warned = true;
}
}
if ( sizeof(int*) == 4 ) {
cout << endl;
cout << "** NOTE: when using MongoDB 32 bit, you are limited to about 2 gigabytes of data" << endl;
cout << "** see http://blog.mongodb.org/post/137788967/32-bit-limitations" << endl;
cout << "** with --dur, the limit is lower" << endl;
warned = true;
}
#ifdef __linux__
if (boost::filesystem::exists("/proc/vz") && !boost::filesystem::exists("/proc/bc")) {
cout << endl;
cout << "** WARNING: You are running in OpenVZ. This is known to be broken!!!" << endl;
warned = true;
}
#endif
if (warned)
cout << endl;
}
int versionCmp(StringData rhs, StringData lhs) {
if (strcmp(rhs.data(),lhs.data()) == 0)
return 0;
// handle "1.2.3-" and "1.2.3-pre"
if (rhs.size() < lhs.size()) {
if (strncmp(rhs.data(), lhs.data(), rhs.size()) == 0 && lhs.data()[rhs.size()] == '-')
return +1;
}
else if (rhs.size() > lhs.size()) {
if (strncmp(rhs.data(), lhs.data(), lhs.size()) == 0 && rhs.data()[lhs.size()] == '-')
return -1;
}
return lexNumCmp(rhs.data(), lhs.data());
}
class VersionCmpTest : public UnitTest {
public:
void run() {
assert( versionCmp("1.2.3", "1.2.3") == 0 );
assert( versionCmp("1.2.3", "1.2.4") < 0 );
assert( versionCmp("1.2.3", "1.2.20") < 0 );
assert( versionCmp("1.2.3", "1.20.3") < 0 );
assert( versionCmp("2.2.3", "10.2.3") < 0 );
assert( versionCmp("1.2.3", "1.2.3-") > 0 );
assert( versionCmp("1.2.3", "1.2.3-pre") > 0 );
assert( versionCmp("1.2.3", "1.2.4-") < 0 );
assert( versionCmp("1.2.3-", "1.2.3") < 0 );
assert( versionCmp("1.2.3-pre", "1.2.3") < 0 );
log(1) << "versionCmpTest passed" << endl;
}
} versionCmpTest;
}
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