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/**
* Copyright (C) 2021-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.
*/
#include "mongo/db/catalog/catalog_stats.h"
#include "mongo/db/catalog/collection_catalog.h"
#include "mongo/db/catalog/database_holder.h"
#include "mongo/db/commands/server_status.h"
#include "mongo/db/db_raii.h"
#include "mongo/logv2/log.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kCommand
namespace mongo::catalog_stats {
// Number of time-series collections requiring extended range support
AtomicWord<int> requiresTimeseriesExtendedRangeSupport;
namespace {
class CatalogStatsSSS : public ServerStatusSection {
public:
CatalogStatsSSS() : ServerStatusSection("catalogStats") {}
~CatalogStatsSSS() override = default;
bool includeByDefault() const override {
return true;
}
struct Stats {
int collections = 0;
int capped = 0;
int clustered = 0;
int views = 0;
int timeseries = 0;
int internalCollections = 0;
int internalViews = 0;
int timeseriesExtendedRange = 0;
void toBson(BSONObjBuilder* builder) const {
builder->append("collections", collections);
builder->append("capped", capped);
builder->append("clustered", clustered);
builder->append("timeseries", timeseries);
builder->append("views", views);
builder->append("internalCollections", internalCollections);
builder->append("internalViews", internalViews);
if (timeseriesExtendedRange > 0) {
builder->append("timeseriesExtendedRange", timeseriesExtendedRange);
}
}
};
BSONObj generateSection(OperationContext* opCtx,
const BSONElement& configElement) const override {
Stats stats;
const auto catalog = CollectionCatalog::get(opCtx);
const auto catalogStats = catalog->getStats();
stats.collections = catalogStats.userCollections;
stats.capped = catalogStats.userCapped;
stats.clustered = catalogStats.userClustered;
stats.internalCollections = catalogStats.internal;
stats.timeseriesExtendedRange = requiresTimeseriesExtendedRangeSupport.load();
const auto viewCatalogDbNames = catalog->getViewCatalogDbNames(opCtx);
for (const auto& dbName : viewCatalogDbNames) {
const auto viewStats = catalog->getViewStatsForDatabase(opCtx, dbName);
invariant(viewStats);
stats.timeseries += viewStats->userTimeseries;
stats.views += viewStats->userViews;
stats.internalViews += viewStats->internal;
}
BSONObjBuilder builder;
stats.toBson(&builder);
return builder.obj();
}
} catalogStatsSSS;
} // namespace
} // namespace mongo::catalog_stats
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