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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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kSharding
#include "mongo/platform/basic.h"
#include "mongo/s/session_catalog_router.h"
#include "mongo/db/sessions_collection.h"
#include "mongo/s/transaction_router.h"
namespace mongo {
int RouterSessionCatalog::reapSessionsOlderThan(OperationContext* opCtx,
SessionsCollection& sessionsCollection,
Date_t possiblyExpired) {
const auto catalog = SessionCatalog::get(opCtx);
// Capture the possbily expired in-memory session ids
LogicalSessionIdSet lsids;
catalog->scanSessions(
SessionKiller::Matcher(KillAllSessionsByPatternSet{makeKillAllSessionsByPattern(opCtx)}),
[&](const ObservableSession& session) {
if (session.getLastCheckout() < possiblyExpired) {
lsids.insert(session.getSessionId());
}
});
// From the passed-in sessions, find the ones which are actually expired/removed
auto expiredSessionIds = uassertStatusOK(sessionsCollection.findRemovedSessions(opCtx, lsids));
// Remove the session ids from the in-memory catalog
int numReaped = 0;
for (const auto& lsid : expiredSessionIds) {
catalog->scanSession(lsid, [&](ObservableSession& session) {
session.markForReap();
++numReaped;
});
}
return numReaped;
}
RouterOperationContextSession::RouterOperationContextSession(OperationContext* opCtx)
: _opCtx(opCtx), _operationContextSession(opCtx) {}
RouterOperationContextSession::~RouterOperationContextSession() {
TransactionRouter::get(_opCtx).stash(_opCtx);
};
} // namespace mongo
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