mirror of
https://github.com/apple/foundationdb.git
synced 2025-05-14 18:02:31 +08:00
71 lines
3.0 KiB
C++
71 lines
3.0 KiB
C++
/*
|
|
* ConfigBroadcaster.h
|
|
*
|
|
* This source file is part of the FoundationDB open source project
|
|
*
|
|
* Copyright 2013-2018 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 "fdbclient/CoordinationInterface.h"
|
|
#include "fdbclient/JsonBuilder.h"
|
|
#include "fdbserver/CoordinationInterface.h"
|
|
#include "fdbserver/ConfigBroadcastInterface.h"
|
|
#include "fdbserver/ConfigFollowerInterface.h"
|
|
#include "fdbserver/WorkerInterface.actor.h"
|
|
#include "flow/flow.h"
|
|
#include <memory>
|
|
|
|
/*
|
|
* The configuration broadcaster runs on the cluster controller. The broadcaster listens uses
|
|
* an IConfigConsumer instantiation to consume updates from the configuration database, and broadcasts
|
|
* these updates to all workers' local configurations
|
|
*/
|
|
class ConfigBroadcaster {
|
|
std::unique_ptr<class ConfigBroadcasterImpl> _impl;
|
|
ConfigBroadcasterImpl& impl() { return *_impl; }
|
|
ConfigBroadcasterImpl const& impl() const { return *_impl; }
|
|
|
|
public:
|
|
explicit ConfigBroadcaster(ServerCoordinators const&, UseConfigDB);
|
|
ConfigBroadcaster(ConfigBroadcaster&&);
|
|
ConfigBroadcaster& operator=(ConfigBroadcaster&&);
|
|
~ConfigBroadcaster();
|
|
Future<Void> registerWorker(Version lastSeenVersion,
|
|
ConfigClassSet configClassSet,
|
|
Future<Void>& watcher,
|
|
WorkerDetails* worker);
|
|
void applyChanges(Standalone<VectorRef<VersionedConfigMutationRef>> const& changes,
|
|
Version mostRecentVersion,
|
|
Standalone<VectorRef<VersionedConfigCommitAnnotationRef>> const& annotations);
|
|
void applySnapshotAndChanges(std::map<ConfigKey, KnobValue> const& snapshot,
|
|
Version snapshotVersion,
|
|
Standalone<VectorRef<VersionedConfigMutationRef>> const& changes,
|
|
Version changesVersion,
|
|
Standalone<VectorRef<VersionedConfigCommitAnnotationRef>> const& annotations);
|
|
void applySnapshotAndChanges(std::map<ConfigKey, KnobValue>&& snapshot,
|
|
Version snapshotVersion,
|
|
Standalone<VectorRef<VersionedConfigMutationRef>> const& changes,
|
|
Version changesVersion,
|
|
Standalone<VectorRef<VersionedConfigCommitAnnotationRef>> const& annotations);
|
|
UID getID() const;
|
|
JsonBuilderObject getStatus() const;
|
|
void compact(Version compactionVersion);
|
|
|
|
public: // Testing
|
|
explicit ConfigBroadcaster(ConfigFollowerInterface const&);
|
|
};
|