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/**
* Copyright (C) 2017 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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/dbclientinterface.h"
#include "mongo/client/query.h"
#include "mongo/db/dbdirectclient.h"
#include "mongo/db/operation_context.h"
namespace mongo {
namespace {
BSONObj lsidQuery(const LogicalSessionId& lsid) {
return BSON(LogicalSessionRecord::kIdFieldName << lsid.toBSON());
}
} // namespace
StatusWith<LogicalSessionRecord> SessionsCollectionStandalone::fetchRecord(
OperationContext* opCtx, const LogicalSessionId& lsid) {
DBDirectClient client(opCtx);
auto cursor = client.query(kSessionsFullNS.toString(), lsidQuery(lsid), 1);
if (!cursor->more()) {
return {ErrorCodes::NoSuchSession, "No matching record in the sessions collection"};
}
try {
IDLParserErrorContext ctx("LogicalSessionRecord");
return LogicalSessionRecord::parse(ctx, cursor->next());
} catch (...) {
return exceptionToStatus();
}
}
Status SessionsCollectionStandalone::refreshSessions(OperationContext* opCtx,
const LogicalSessionRecordSet& sessions,
Date_t refreshTime) {
DBDirectClient client(opCtx);
return doRefresh(sessions, refreshTime, makeSendFn(&client));
}
Status SessionsCollectionStandalone::removeRecords(OperationContext* opCtx,
const LogicalSessionIdSet& sessions) {
DBDirectClient client(opCtx);
return doRemove(sessions, makeSendFn(&client));
}
SessionsCollection::SendBatchFn SessionsCollectionStandalone::makeSendFn(DBDirectClient* client) {
auto send = [client](BSONObj batch) -> Status {
BSONObj res;
auto ok = client->runCommand(SessionsCollection::kSessionsDb.toString(), batch, res);
if (!ok) {
return {ErrorCodes::UnknownError,
client->getLastError(SessionsCollection::kSessionsDb.toString())};
}
return Status::OK();
};
return send;
}
} // namespace mongo
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