foundationdb/fdbserver/RoleLineage.actor.h

68 lines
2.2 KiB
C++

/*
* RoleLineage.actor.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2020 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "flow/flow.h"
#if defined(NO_INTELLISENSE) && !defined(FDBSERVER_ROLE_LINEAGE_ACTOR_G_H)
#define FDBSERVER_ROLE_LINEAGE_ACTOR_G_H
#include "fdbserver/RoleLineage.actor.g.h"
#elif !defined(FDBSERVER_ROLE_LINEAGE_ACTOR_H)
#define FDBSERVER_ROLE_LINEAGE_ACTOR_H
#include "flow/singleton.h"
#include "fdbrpc/Locality.h"
#include "fdbclient/ActorLineageProfiler.h"
#include "fdbserver/WorkerInterface.actor.h"
#include <string_view>
#include <msgpack.hpp>
#include <any>
#include "flow/actorcompiler.h" // This must be the last include
struct RoleLineage : LineageProperties<RoleLineage> {
static std::string_view name;
ProcessClass::ClusterRole role = ProcessClass::NoRole;
bool isSet(ProcessClass::ClusterRole RoleLineage::*member) const { return this->*member != ProcessClass::NoRole; }
};
struct RoleLineageCollector : IALPCollector<RoleLineage> {
RoleLineageCollector() : IALPCollector() {}
std::optional<std::any> collect(ActorLineage* lineage) override {
auto res = lineage->get(&RoleLineage::role);
if (res.has_value()) {
return Role::get(res.value()).abbreviation;
} else {
return std::optional<std::any>();
}
}
};
// creates a new root and sets the role lineage
ACTOR template <class Fun>
Future<decltype(std::declval<Fun>()())> runInRole(Fun fun, ProcessClass::ClusterRole role) {
getCurrentLineage()->makeRoot();
getCurrentLineage()->modify(&RoleLineage::role) = role;
decltype(std::declval<Fun>()()) res = wait(fun());
return res;
}
#endif