74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
/*
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* HealthMonitor.actor.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "fdbrpc/FailureMonitor.h"
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#include "fdbrpc/FlowTransport.h"
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#include "fdbrpc/HealthMonitor.h"
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void HealthMonitor::reportPeerClosed(const NetworkAddress& peerAddress) {
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purgeOutdatedHistory();
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peerClosedHistory.emplace_back(now(), peerAddress);
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peerClosedNum[peerAddress] += 1;
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}
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void HealthMonitor::purgeOutdatedHistory() {
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while (!peerClosedHistory.empty()) {
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auto const& p = peerClosedHistory.front();
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if (p.first < now() - FLOW_KNOBS->HEALTH_MONITOR_CLIENT_REQUEST_INTERVAL_SECS) {
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auto& count = peerClosedNum[p.second];
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--count;
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ASSERT(count >= 0);
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if (count == 0) {
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peerClosedNum.erase(p.second);
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}
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peerClosedHistory.pop_front();
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} else {
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break;
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}
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}
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}
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bool HealthMonitor::tooManyConnectionsClosed(const NetworkAddress& peerAddress) {
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purgeOutdatedHistory();
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if (peerClosedNum.find(peerAddress) == peerClosedNum.end()) {
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return false;
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}
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return peerClosedNum[peerAddress] > FLOW_KNOBS->HEALTH_MONITOR_CONNECTION_MAX_CLOSED;
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}
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int HealthMonitor::closedConnectionsCount(const NetworkAddress& peerAddress) {
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purgeOutdatedHistory();
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if (peerClosedNum.find(peerAddress) == peerClosedNum.end()) {
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return 0;
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}
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return peerClosedNum[peerAddress];
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}
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std::unordered_set<NetworkAddress> HealthMonitor::getRecentClosedPeers() {
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purgeOutdatedHistory();
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std::unordered_set<NetworkAddress> closedPeers;
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for (const auto& [peerAddr, count] : peerClosedNum) {
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if (count > 0) {
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closedPeers.insert(peerAddr);
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}
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}
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return closedPeers;
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}
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