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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.
*/
#define LOGV2_FOR_RECOVERY(ID, DLEVEL, MESSAGE, ...) \
LOGV2_DEBUG_OPTIONS(ID, DLEVEL, {logv2::LogComponent::kStorageRecovery}, MESSAGE, ##__VA_ARGS__)
#include "mongo/platform/basic.h"
#include "mongo/db/storage/durable_history_pin.h"
#include "mongo/bson/bsonmisc.h"
#include "mongo/db/commands.h"
#include "mongo/db/db_raii.h"
#include "mongo/db/service_context.h"
#include "mongo/logv2/log.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kStorage
namespace mongo {
namespace {
const auto getDurableHistoryRegistry =
ServiceContext::declareDecoration<std::unique_ptr<DurableHistoryRegistry>>();
} // namespace
DurableHistoryRegistry* DurableHistoryRegistry::get(ServiceContext* service) {
return getDurableHistoryRegistry(service).get();
}
DurableHistoryRegistry* DurableHistoryRegistry::get(ServiceContext& service) {
return getDurableHistoryRegistry(service).get();
}
DurableHistoryRegistry* DurableHistoryRegistry::get(OperationContext* opCtx) {
return get(opCtx->getClient()->getServiceContext());
}
void DurableHistoryRegistry::set(ServiceContext* service,
std::unique_ptr<DurableHistoryRegistry> registry) {
auto& decoratedRegistry = getDurableHistoryRegistry(service);
decoratedRegistry = std::move(registry);
}
void DurableHistoryRegistry::registerPin(std::unique_ptr<DurableHistoryPin> pin) {
_pins.push_back(std::move(pin));
}
void DurableHistoryRegistry::reconcilePins(OperationContext* opCtx) {
StorageEngine* engine = opCtx->getServiceContext()->getStorageEngine();
if (!engine->supportsRecoveryTimestamp()) {
return;
}
for (auto& pin : _pins) {
boost::optional<Timestamp> pinTs = pin->calculatePin(opCtx);
LOGV2_FOR_RECOVERY(5384102,
2,
"Reconciling timestamp pin.",
"name"_attr = pin->getName(),
"ts"_attr = pinTs);
if (pinTs) {
auto swTimestamp =
engine->pinOldestTimestamp(opCtx, pin->getName(), pinTs.value(), false);
if (!swTimestamp.isOK()) {
LOGV2_WARNING(5384105,
"Unable to repin oldest timestamp",
"service"_attr = pin->getName(),
"request"_attr = pinTs.value(),
"error"_attr = swTimestamp.getStatus());
}
} else {
engine->unpinOldestTimestamp(pin->getName());
}
}
}
void DurableHistoryRegistry::clearPins(OperationContext* opCtx) {
StorageEngine* engine = opCtx->getServiceContext()->getStorageEngine();
if (!engine->supportsRecoveryTimestamp()) {
return;
}
for (auto& pin : _pins) {
engine->unpinOldestTimestamp(pin->getName());
}
}
} // namespace mongo
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