foundationdb/fdbserver/WaitFailure.h

40 lines
1.9 KiB
C

/*
* WaitFailure.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.
*/
#ifndef WAIT_FAILURE_SERVER_H
#define WAIT_FAILURE_SERVER_H
#pragma once
Future<Void> waitFailureServer(const FutureStream<ReplyPromise<Void>>& waitFailure);
// talks to a wait failure server, returns Void on failure
Future<Void> waitFailureClient(const RequestStream<ReplyPromise<Void>>& waitFailure,
double const& failureReactionTime = 0, double const& failureReactionSlope = 0,
bool const& trace = false, TaskPriority const& taskID = TaskPriority::DefaultEndpoint);
// talks to a wait failure server, returns Void on failure, reaction time is always waited
Future<Void> waitFailureClientStrict(const RequestStream<ReplyPromise<Void>>& waitFailure, double const& failureReactionTime=0, TaskPriority const& taskID=TaskPriority::DefaultEndpoint);
// talks to a wait failure server, updates failed to be true or false based on failure status.
Future<Void> waitFailureTracker(const RequestStream<ReplyPromise<Void>>& waitFailure, Reference<AsyncVar<bool>> const& failed,
double const& failureReactionTime=0, double const& failureReactionSlope=0, TaskPriority const& taskID=TaskPriority::DefaultEndpoint);
#endif