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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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/log.h"
namespace mongo {
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:
break;
default:
log() << "OpCounters::gotOp unknown op: " << op << std::endl;
}
}
void OpCounters::_checkWrap(CacheAligned<AtomicWord<long long>> OpCounters::*counter, int n) {
static constexpr auto maxCount = 1LL << 60;
auto oldValue = (this->*counter).fetchAndAddRelaxed(n);
if (oldValue > maxCount) {
_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::hitPhysicalIn(long long bytes) {
static const int64_t MAX = 1ULL << 60;
// don't care about the race as its just a counter
const bool overflow = _physicalBytesIn.loadRelaxed() > MAX;
if (overflow) {
_physicalBytesIn.store(bytes);
} else {
_physicalBytesIn.fetchAndAdd(bytes);
}
}
void NetworkCounter::hitPhysicalOut(long long bytes) {
static const int64_t MAX = 1ULL << 60;
// don't care about the race as its just a counter
const bool overflow = _physicalBytesOut.loadRelaxed() > MAX;
if (overflow) {
_physicalBytesOut.store(bytes);
} else {
_physicalBytesOut.fetchAndAdd(bytes);
}
}
void NetworkCounter::hitLogicalIn(long long bytes) {
static const int64_t MAX = 1ULL << 60;
// don't care about the race as its just a counter
const bool overflow = _together.logicalBytesIn.loadRelaxed() > MAX;
if (overflow) {
_together.logicalBytesIn.store(bytes);
// The requests field only gets incremented here (and not in hitPhysical) because the
// hitLogical and hitPhysical are each called for each operation. Incrementing it in both
// functions would double-count the number of operations.
_together.requests.store(1);
} else {
_together.logicalBytesIn.fetchAndAdd(bytes);
_together.requests.fetchAndAdd(1);
}
}
void NetworkCounter::hitLogicalOut(long long bytes) {
static const int64_t MAX = 1ULL << 60;
// don't care about the race as its just a counter
const bool overflow = _logicalBytesOut.loadRelaxed() > MAX;
if (overflow) {
_logicalBytesOut.store(bytes);
} else {
_logicalBytesOut.fetchAndAdd(bytes);
}
}
void NetworkCounter::append(BSONObjBuilder& b) {
b.append("bytesIn", static_cast<long long>(_together.logicalBytesIn.loadRelaxed()));
b.append("bytesOut", static_cast<long long>(_logicalBytesOut.loadRelaxed()));
b.append("physicalBytesIn", static_cast<long long>(_physicalBytesIn.loadRelaxed()));
b.append("physicalBytesOut", static_cast<long long>(_physicalBytesOut.loadRelaxed()));
b.append("numRequests", static_cast<long long>(_together.requests.loadRelaxed()));
}
OpCounters globalOpCounters;
OpCounters replOpCounters;
NetworkCounter networkCounter;
} // namespace mongo
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