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-rw-r--r--util/version.cpp145
1 files changed, 126 insertions, 19 deletions
diff --git a/util/version.cpp b/util/version.cpp
index 4045cb5..a6efbd5 100644
--- a/util/version.cpp
+++ b/util/version.cpp
@@ -23,11 +23,63 @@
#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 {
- const char versionString[] = "1.8.3";
+ /* 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[] = "2.0.0";
+
+ // 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;
@@ -61,38 +113,42 @@ namespace mongo {
#endif
void printSysInfo() {
- log() << "build sys info: " << sysInfo() << endl;
+ log() << "build info: " << sysInfo() << endl;
}
+
+ static Tee * startupWarningsLog = new RamLog("startupWarnings"); //intentionally leaked
+
//
- // 32 bit systems warning
+ // system warnings
//
void show_warnings() {
- // each message adds a leading but not a trailing newline
+ // 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 ) {
- cout << "\n** NOTE: This is a development version (" << versionString << ") of MongoDB.";
- cout << "\n** Not recommended for production." << endl;
+ 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 ) {
- 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;
+ 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")) {
- cout << endl;
- cout << "** WARNING: You are running in OpenVZ. This is known to be broken!!!" << endl;
+ log() << startupWarningsLog;
+ log() << "** WARNING: You are running in OpenVZ. This is known to be broken!!!" << startupWarningsLog;
warned = true;
}
@@ -122,22 +178,49 @@ namespace mongo {
const char* space = strchr(line, ' ');
if ( ! space ) {
- cout << "** WARNING: cannot parse numa_maps" << endl;
+ log() << startupWarningsLog;
+ log() << "** WARNING: cannot parse numa_maps" << startupWarningsLog;
warned = true;
}
else if ( ! startsWith(space+1, "interleave") ) {
- cout << endl;
- cout << "** WARNING: You are running on a NUMA machine." << endl;
- cout << "** We suggest launching mongod like this to avoid performance problems:" << endl;
- cout << "** numactl --interleave=all mongod [other options]" << endl;
+ 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)
- cout << endl;
+ if (warned) {
+ log() << startupWarningsLog;
+ }
}
int versionCmp(StringData rhs, StringData lhs) {
@@ -174,4 +257,28 @@ namespace mongo {
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;
}
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