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// counters.cpp
/*
* Copyright (C) 2010 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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kDefault
#include "mongo/platform/basic.h"
#include "mongo/db/stats/counters.h"
#include "mongo/db/jsobj.h"
#include "mongo/util/debug_util.h"
#include "mongo/util/log.h"
namespace mongo {
using std::endl;
OpCounters::OpCounters() {}
void OpCounters::incInsertInWriteLock(int n) {
RARELY _checkWrap();
_insert.fetchAndAdd(n);
}
void OpCounters::gotInsert() {
RARELY _checkWrap();
_insert.fetchAndAdd(1);
}
void OpCounters::gotQuery() {
RARELY _checkWrap();
_query.fetchAndAdd(1);
}
void OpCounters::gotUpdate() {
RARELY _checkWrap();
_update.fetchAndAdd(1);
}
void OpCounters::gotDelete() {
RARELY _checkWrap();
_delete.fetchAndAdd(1);
}
void OpCounters::gotGetMore() {
RARELY _checkWrap();
_getmore.fetchAndAdd(1);
}
void OpCounters::gotCommand() {
RARELY _checkWrap();
_command.fetchAndAdd(1);
}
void OpCounters::gotOp(int op, bool isCommand) {
switch (op) {
case dbInsert: /*gotInsert();*/
break; // need to handle multi-insert
case dbQuery:
if (isCommand)
gotCommand();
else
gotQuery();
break;
case dbUpdate:
gotUpdate();
break;
case dbDelete:
gotDelete();
break;
case dbGetMore:
gotGetMore();
break;
case dbKillCursors:
case opReply:
case dbMsg:
break;
default:
log() << "OpCounters::gotOp unknown op: " << op << endl;
}
}
void OpCounters::_checkWrap() {
const unsigned MAX = 1 << 30;
bool wrap = _insert.loadRelaxed() > MAX || _query.loadRelaxed() > MAX ||
_update.loadRelaxed() > MAX || _delete.loadRelaxed() > MAX ||
_getmore.loadRelaxed() > MAX || _command.loadRelaxed() > MAX;
if (wrap) {
_insert.store(0);
_query.store(0);
_update.store(0);
_delete.store(0);
_getmore.store(0);
_command.store(0);
}
}
BSONObj OpCounters::getObj() const {
BSONObjBuilder b;
b.append("insert", _insert.loadRelaxed());
b.append("query", _query.loadRelaxed());
b.append("update", _update.loadRelaxed());
b.append("delete", _delete.loadRelaxed());
b.append("getmore", _getmore.loadRelaxed());
b.append("command", _command.loadRelaxed());
return b.obj();
}
void NetworkCounter::hit(long long bytesIn, long long bytesOut) {
const int64_t MAX = 1ULL << 60;
// don't care about the race as its just a counter
bool overflow = _bytesIn.loadRelaxed() > MAX || _bytesOut.loadRelaxed() > MAX;
if (overflow) {
_bytesIn.store(bytesIn);
_bytesOut.store(bytesOut);
_requests.store(1);
} else {
_bytesIn.fetchAndAdd(bytesIn);
_bytesOut.fetchAndAdd(bytesOut);
_requests.fetchAndAdd(1);
}
}
void NetworkCounter::append(BSONObjBuilder& b) {
b.append("bytesIn", static_cast<long long>(_bytesIn.loadRelaxed()));
b.append("bytesOut", static_cast<long long>(_bytesOut.loadRelaxed()));
b.append("numRequests", static_cast<long long>(_requests.loadRelaxed()));
}
OpCounters globalOpCounters;
OpCounters replOpCounters;
NetworkCounter networkCounter;
}
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