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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.
 */

#pragma once

#include <vector>

#include "mongo/db/concurrency/d_concurrency.h"
#include "mongo/db/session_killer.h"

/**
 * Mongod local kill session / transaction functionality library.
 */
namespace mongo {

/**
 * Kills all cursors, ops, and transactions on mongod for sessions matching 'matcher'.
 */
SessionKiller::Result killSessionsLocal(OperationContext* opCtx,
                                        const SessionKiller::Matcher& matcher,
                                        SessionKiller::UniformRandomBitGenerator* urbg);

/**
 * Kills all transactions on mongod for sessions matching 'matcher'.
 */
void killSessionsLocalKillTransactions(OperationContext* opCtx,
                                       const SessionKiller::Matcher& matcher);

/**
 * Aborts any expired transactions.
 */
void killAllExpiredTransactions(OperationContext* opCtx);

/**
 * Run during shutdown to kill all in-progress transactions, including those in prepare.
 */
void killSessionsLocalShutdownAllTransactions(OperationContext* opCtx);

/**
 * Run during replication state transitions.  Aborts all unprepared transactions and causes all
 * prepared transactions to yield their locks into 'yieldedLocks'.
 */
void killSessionsLocalAbortOrYieldAllTransactions(
    OperationContext* opCtx, std::vector<std::pair<Locker*, Locker::LockSnapshot>>* yieldedLocks);

}  // namespace mongo