284 lines
10 KiB
C++
284 lines
10 KiB
C++
// @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"
|
|
#include "stringutils.h"
|
|
#include "../db/jsobj.h"
|
|
#include "file.h"
|
|
#include "ramlog.h"
|
|
#include "../db/cmdline.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[] = "2.0.7";
|
|
|
|
// See unit test for example outputs
|
|
static BSONArray _versionArray(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;
|
|
}
|
|
|
|
try {
|
|
unsigned num = stringToNum(curPart.c_str());
|
|
b.append((int) num);
|
|
}
|
|
catch (...){ // not a number
|
|
if (curPart.empty()){
|
|
assert(*c == '\0');
|
|
break;
|
|
}
|
|
else if (startsWith(curPart, "rc")){
|
|
finalPart = -10 + stringToNum(curPart.c_str()+2);
|
|
break;
|
|
}
|
|
else if (curPart == "pre"){
|
|
finalPart = -100;
|
|
break;
|
|
}
|
|
}
|
|
|
|
curPart = "";
|
|
} while (*c++);
|
|
|
|
b.append(finalPart);
|
|
return b.arr();
|
|
}
|
|
|
|
const BSONArray versionArray = _versionArray(versionString);
|
|
|
|
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() << "build info: " << sysInfo() << endl;
|
|
}
|
|
|
|
|
|
static Tee * startupWarningsLog = new RamLog("startupWarnings"); //intentionally leaked
|
|
|
|
//
|
|
// system warnings
|
|
//
|
|
void show_warnings() {
|
|
// each message adds a leading and a trailing newline
|
|
|
|
bool warned = false;
|
|
{
|
|
const char * foo = strchr( versionString , '.' ) + 1;
|
|
int bar = atoi( foo );
|
|
if ( ( 2 * ( bar / 2 ) ) != bar ) {
|
|
log() << startupWarningsLog;
|
|
log() << "** NOTE: This is a development version (" << versionString << ") of MongoDB." << startupWarningsLog;
|
|
log() << "** Not recommended for production." << startupWarningsLog;
|
|
warned = true;
|
|
}
|
|
}
|
|
|
|
if ( sizeof(int*) == 4 ) {
|
|
log() << startupWarningsLog;
|
|
log() << "** NOTE: when using MongoDB 32 bit, you are limited to about 2 gigabytes of data" << startupWarningsLog;
|
|
log() << "** see http://blog.mongodb.org/post/137788967/32-bit-limitations" << startupWarningsLog;
|
|
log() << "** with --journal, the limit is lower" << startupWarningsLog;
|
|
warned = true;
|
|
}
|
|
|
|
#ifdef __linux__
|
|
if (boost::filesystem::exists("/proc/vz") && !boost::filesystem::exists("/proc/bc")) {
|
|
log() << startupWarningsLog;
|
|
log() << "** WARNING: You are running in OpenVZ. This is known to be broken!!!" << startupWarningsLog;
|
|
warned = true;
|
|
}
|
|
|
|
if (boost::filesystem::exists("/sys/devices/system/node/node1")){
|
|
// We are on a box with a NUMA enabled kernel and more than 1 numa node (they start at node0)
|
|
// Now we look at the first line of /proc/self/numa_maps
|
|
//
|
|
// Bad example:
|
|
// $ cat /proc/self/numa_maps
|
|
// 00400000 default file=/bin/cat mapped=6 N4=6
|
|
//
|
|
// Good example:
|
|
// $ numactl --interleave=all cat /proc/self/numa_maps
|
|
// 00400000 interleave:0-7 file=/bin/cat mapped=6 N4=6
|
|
|
|
File f;
|
|
f.open("/proc/self/numa_maps", /*read_only*/true);
|
|
if ( f.is_open() && ! f.bad() ) {
|
|
char line[100]; //we only need the first line
|
|
assert( read(f.fd, line, sizeof(line)) <= 100 );
|
|
|
|
// just in case...
|
|
line[98] = ' ';
|
|
line[99] = '\0';
|
|
|
|
// skip over pointer
|
|
const char* space = strchr(line, ' ');
|
|
|
|
if ( ! space ) {
|
|
log() << startupWarningsLog;
|
|
log() << "** WARNING: cannot parse numa_maps" << startupWarningsLog;
|
|
warned = true;
|
|
}
|
|
else if ( ! startsWith(space+1, "interleave") ) {
|
|
log() << startupWarningsLog;
|
|
log() << "** WARNING: You are running on a NUMA machine." << startupWarningsLog;
|
|
log() << "** We suggest launching mongod like this to avoid performance problems:" << startupWarningsLog;
|
|
log() << "** numactl --interleave=all mongod [other options]" << startupWarningsLog;
|
|
warned = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (cmdLine.dur){
|
|
fstream f ("/proc/sys/vm/overcommit_memory", ios_base::in);
|
|
unsigned val;
|
|
f >> val;
|
|
|
|
if (val == 2) {
|
|
log() << startupWarningsLog;
|
|
log() << "** WARNING: /proc/sys/vm/overcommit_memory is " << val << startupWarningsLog;
|
|
log() << "** Journaling works best with it set to 0 or 1" << startupWarningsLog;
|
|
}
|
|
}
|
|
|
|
if (boost::filesystem::exists("/proc/sys/vm/zone_reclaim_mode")){
|
|
fstream f ("/proc/sys/vm/zone_reclaim_mode", ios_base::in);
|
|
unsigned val;
|
|
f >> val;
|
|
|
|
if (val != 0) {
|
|
log() << startupWarningsLog;
|
|
log() << "** WARNING: /proc/sys/vm/zone_reclaim_mode is " << val << startupWarningsLog;
|
|
log() << "** We suggest setting it to 0" << startupWarningsLog;
|
|
log() << "** http://www.kernel.org/doc/Documentation/sysctl/vm.txt" << startupWarningsLog;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (warned) {
|
|
log() << startupWarningsLog;
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
class VersionArrayTest : public UnitTest {
|
|
public:
|
|
void run() {
|
|
assert( _versionArray("1.2.3") == BSON_ARRAY(1 << 2 << 3 << 0) );
|
|
assert( _versionArray("1.2.0") == BSON_ARRAY(1 << 2 << 0 << 0) );
|
|
assert( _versionArray("2.0.0") == BSON_ARRAY(2 << 0 << 0 << 0) );
|
|
|
|
assert( _versionArray("1.2.3-pre-") == BSON_ARRAY(1 << 2 << 3 << -100) );
|
|
assert( _versionArray("1.2.0-pre-") == BSON_ARRAY(1 << 2 << 0 << -100) );
|
|
assert( _versionArray("2.0.0-pre-") == BSON_ARRAY(2 << 0 << 0 << -100) );
|
|
|
|
assert( _versionArray("1.2.3-rc0") == BSON_ARRAY(1 << 2 << 3 << -10) );
|
|
assert( _versionArray("1.2.0-rc1") == BSON_ARRAY(1 << 2 << 0 << -9) );
|
|
assert( _versionArray("2.0.0-rc2") == BSON_ARRAY(2 << 0 << 0 << -8) );
|
|
|
|
// Note that the pre of an rc is the same as the rc itself
|
|
assert( _versionArray("1.2.3-rc3-pre-") == BSON_ARRAY(1 << 2 << 3 << -7) );
|
|
assert( _versionArray("1.2.0-rc4-pre-") == BSON_ARRAY(1 << 2 << 0 << -6) );
|
|
assert( _versionArray("2.0.0-rc5-pre-") == BSON_ARRAY(2 << 0 << 0 << -5) );
|
|
|
|
log(1) << "versionArrayTest passed" << endl;
|
|
}
|
|
} versionArrayTest;
|
|
}
|