foundationdb/fdbrpc/HealthMonitor.h

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/*
* HealthMonitor.h
*
* This source file is part of the FoundationDB open source project
*
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* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
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*
* 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 FDBRPC_HEALTH_MONITOR_H
#define FDBRPC_HEALTH_MONITOR_H
#include <deque>
#include <unordered_map>
#include <flow/flow.h>
class HealthMonitor {
public:
void reportPeerClosed(const NetworkAddress& peerAddress);
bool tooManyConnectionsClosed(const NetworkAddress& peerAddress);
int closedConnectionsCount(const NetworkAddress& peerAddress);
std::unordered_set<NetworkAddress> getRecentClosedPeers();
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private:
void purgeOutdatedHistory();
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std::deque<std::pair<double, NetworkAddress>> peerClosedHistory;
std::unordered_map<NetworkAddress, int> peerClosedNum;
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};
#endif // FDBRPC_HEALTH_MONITOR_H