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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.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/sessions_collection_standalone.h"
#include "mongo/client/query.h"
#include "mongo/db/dbdirectclient.h"
#include "mongo/db/operation_context.h"
#include "mongo/rpc/get_status_from_command_result.h"
namespace mongo {
namespace {
BSONObj lsidQuery(const LogicalSessionId& lsid) {
return BSON(LogicalSessionRecord::kIdFieldName << lsid.toBSON());
}
} // namespace
void SessionsCollectionStandalone::setupSessionsCollection(OperationContext* opCtx) {
try {
checkSessionsCollectionExists(opCtx);
} catch (DBException& ex) {
DBDirectClient client(opCtx);
BSONObj cmd;
if (ex.code() == ErrorCodes::IndexOptionsConflict) {
cmd = generateCollModCmd();
} else {
cmd = generateCreateIndexesCmd();
}
BSONObj info;
if (!client.runCommand(
NamespaceString::kLogicalSessionsNamespace.db().toString(), cmd, info)) {
uassertStatusOKWithContext(getStatusFromCommandResult(info),
str::stream() << "Failed to create "
<< NamespaceString::kLogicalSessionsNamespace);
}
}
}
void SessionsCollectionStandalone::checkSessionsCollectionExists(OperationContext* opCtx) {
DBDirectClient client(opCtx);
const bool includeBuildUUIDs = false;
const int options = 0;
auto indexes = client.getIndexSpecs(
NamespaceString::kLogicalSessionsNamespace, includeBuildUUIDs, options);
uassert(ErrorCodes::NamespaceNotFound,
str::stream() << NamespaceString::kLogicalSessionsNamespace << " does not exist",
indexes.size() != 0u);
auto index = std::find_if(indexes.begin(), indexes.end(), [](const BSONObj& index) {
return index.getField("name").String() == kSessionsTTLIndex;
});
uassert(ErrorCodes::IndexNotFound,
str::stream() << NamespaceString::kLogicalSessionsNamespace
<< " does not have the required TTL index",
index != indexes.end());
uassert(ErrorCodes::IndexOptionsConflict,
str::stream() << NamespaceString::kLogicalSessionsNamespace
<< " currently has the incorrect timeout for the TTL index",
index->hasField("expireAfterSeconds") &&
index->getField("expireAfterSeconds").Int() ==
(localLogicalSessionTimeoutMinutes * 60));
}
void SessionsCollectionStandalone::refreshSessions(OperationContext* opCtx,
const LogicalSessionRecordSet& sessions) {
const std::vector<LogicalSessionRecord> sessionsVector(sessions.begin(), sessions.end());
DBDirectClient client(opCtx);
_doRefresh(NamespaceString::kLogicalSessionsNamespace,
sessionsVector,
makeSendFnForBatchWrite(NamespaceString::kLogicalSessionsNamespace, &client));
}
void SessionsCollectionStandalone::removeRecords(OperationContext* opCtx,
const LogicalSessionIdSet& sessions) {
const std::vector<LogicalSessionId> sessionsVector(sessions.begin(), sessions.end());
DBDirectClient client(opCtx);
_doRemove(NamespaceString::kLogicalSessionsNamespace,
sessionsVector,
makeSendFnForBatchWrite(NamespaceString::kLogicalSessionsNamespace, &client));
}
LogicalSessionIdSet SessionsCollectionStandalone::findRemovedSessions(
OperationContext* opCtx, const LogicalSessionIdSet& sessions) {
const std::vector<LogicalSessionId> sessionsVector(sessions.begin(), sessions.end());
DBDirectClient client(opCtx);
return _doFindRemoved(
NamespaceString::kLogicalSessionsNamespace,
sessionsVector,
makeFindFnForCommand(NamespaceString::kLogicalSessionsNamespace, &client));
}
} // namespace mongo
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