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/**
* Copyright (C) 2022-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/platform/basic.h"
#include "mongo/db/s/query_analysis_coordinator.h"
#include "mongo/db/s/query_analysis_op_observer.h"
#include "mongo/logv2/log.h"
#include "mongo/s/analyze_shard_key_util.h"
#include "mongo/s/catalog/type_mongos.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kDefault
namespace mongo {
namespace analyze_shard_key {
namespace {
const auto docToDeleteDecoration = OperationContext::declareDecoration<BSONObj>();
} // namespace
void QueryAnalysisOpObserver::onInserts(OperationContext* opCtx,
const CollectionPtr& coll,
std::vector<InsertStatement>::const_iterator begin,
std::vector<InsertStatement>::const_iterator end,
bool fromMigrate) {
if (analyze_shard_key::supportsCoordinatingQueryAnalysis()) {
if (coll->ns() == NamespaceString::kConfigQueryAnalyzersNamespace) {
for (auto it = begin; it != end; ++it) {
const auto& insertedDoc = it->doc;
opCtx->recoveryUnit()->onCommit([opCtx, insertedDoc](boost::optional<Timestamp>) {
analyze_shard_key::QueryAnalysisCoordinator::get(opCtx)->onConfigurationInsert(
insertedDoc);
});
}
} else if (coll->ns() == MongosType::ConfigNS) {
for (auto it = begin; it != end; ++it) {
const auto& insertedDoc = it->doc;
opCtx->recoveryUnit()->onCommit([opCtx, insertedDoc](boost::optional<Timestamp>) {
analyze_shard_key::QueryAnalysisCoordinator::get(opCtx)->onSamplerInsert(
insertedDoc);
});
}
}
}
}
void QueryAnalysisOpObserver::onUpdate(OperationContext* opCtx, const OplogUpdateEntryArgs& args) {
if (analyze_shard_key::supportsCoordinatingQueryAnalysis()) {
if (args.coll->ns() == NamespaceString::kConfigQueryAnalyzersNamespace) {
const auto& updatedDoc = args.updateArgs->updatedDoc;
opCtx->recoveryUnit()->onCommit([opCtx, updatedDoc](boost::optional<Timestamp>) {
analyze_shard_key::QueryAnalysisCoordinator::get(opCtx)->onConfigurationUpdate(
updatedDoc);
});
} else if (args.coll->ns() == MongosType::ConfigNS) {
const auto& updatedDoc = args.updateArgs->updatedDoc;
opCtx->recoveryUnit()->onCommit([opCtx, updatedDoc](boost::optional<Timestamp>) {
analyze_shard_key::QueryAnalysisCoordinator::get(opCtx)->onSamplerUpdate(
updatedDoc);
});
}
}
}
void QueryAnalysisOpObserver::aboutToDelete(OperationContext* opCtx,
NamespaceString const& nss,
const UUID& uuid,
BSONObj const& doc) {
if (analyze_shard_key::supportsCoordinatingQueryAnalysis()) {
if (nss == NamespaceString::kConfigQueryAnalyzersNamespace || nss == MongosType::ConfigNS) {
docToDeleteDecoration(opCtx) = doc;
}
}
}
void QueryAnalysisOpObserver::onDelete(OperationContext* opCtx,
const NamespaceString& nss,
const UUID& uuid,
StmtId stmtId,
const OplogDeleteEntryArgs& args) {
if (analyze_shard_key::supportsCoordinatingQueryAnalysis()) {
if (nss == NamespaceString::kConfigQueryAnalyzersNamespace) {
auto& doc = docToDeleteDecoration(opCtx);
invariant(!doc.isEmpty());
opCtx->recoveryUnit()->onCommit([opCtx, doc](boost::optional<Timestamp>) {
analyze_shard_key::QueryAnalysisCoordinator::get(opCtx)->onConfigurationDelete(doc);
});
} else if (nss == MongosType::ConfigNS) {
auto& doc = docToDeleteDecoration(opCtx);
invariant(!doc.isEmpty());
opCtx->recoveryUnit()->onCommit([opCtx, doc](boost::optional<Timestamp>) {
analyze_shard_key::QueryAnalysisCoordinator::get(opCtx)->onSamplerDelete(doc);
});
}
}
}
} // namespace analyze_shard_key
} // namespace mongo
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