/**
* Copyright (C) 2014 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 .
*
* 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/operation_context_impl.h"
#include
#include "mongo/db/client.h"
#include "mongo/db/concurrency/lock_state.h"
#include "mongo/db/curop.h"
#include "mongo/db/service_context.h"
#include "mongo/db/storage/storage_engine.h"
#include "mongo/stdx/memory.h"
namespace mongo {
namespace {
std::unique_ptr newLocker() {
if (isMMAPV1())
return stdx::make_unique();
return stdx::make_unique();
}
class ClientOperationInfo {
public:
std::unique_ptr& locker() {
if (!_locker) {
_locker = newLocker();
}
return _locker;
}
private:
std::unique_ptr _locker;
};
const auto clientOperationInfoDecoration = Client::declareDecoration();
} // namespace
using std::string;
OperationContextImpl::OperationContextImpl(Client* client, unsigned opId)
: OperationContext(client, opId) {
setLockState(std::move(clientOperationInfoDecoration(client).locker()));
StorageEngine* storageEngine = getServiceContext()->getGlobalStorageEngine();
setRecoveryUnit(storageEngine->newRecoveryUnit(), kNotInUnitOfWork);
}
OperationContextImpl::~OperationContextImpl() {
lockState()->assertEmptyAndReset();
clientOperationInfoDecoration(getClient()).locker() = releaseLockState();
}
ProgressMeter* OperationContextImpl::setMessage_inlock(const char* msg,
const std::string& name,
unsigned long long progressMeterTotal,
int secondsBetween) {
return &CurOp::get(this)->setMessage_inlock(msg, name, progressMeterTotal, secondsBetween);
}
} // namespace mongo