/**
 *    Copyright (C) 2020-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
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 *    it in the license file. 
 */

#include "mongo/platform/basic.h"

#include "mongo/db/repl/always_allow_non_local_writes.h"

namespace mongo {
namespace repl {

// Overrides _canAcceptLocalWrites for the decorated OperationContext. 
const OperationContext::Decoration<bool> alwaysAllowNonLocalWritesOnOpCtx =
    OperationContext::declareDecoration<bool>();

AllowNonLocalWritesBlock::AllowNonLocalWritesBlock(OperationContext* opCtx)
    : _opCtx(opCtx), _initialState(alwaysAllowNonLocalWritesOnOpCtx(_opCtx)) {
    alwaysAllowNonLocalWritesOnOpCtx(_opCtx) = true;
}

AllowNonLocalWritesBlock::~AllowNonLocalWritesBlock() {
    alwaysAllowNonLocalWritesOnOpCtx(_opCtx) = _initialState;
}

bool alwaysAllowNonLocalWrites(const OperationContext* opCtx) {
    return alwaysAllowNonLocalWritesOnOpCtx(opCtx);
}

}  // namespace repl
}  // namespace mongo
