mirror of
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78 lines
2.6 KiB
Java
78 lines
2.6 KiB
Java
/*
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* Copyright 2017-2020 Koordinierungsstelle für IT-Standards (KoSIT)
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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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package de.kosit.validationtool.daemon;
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import java.io.IOException;
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import com.sun.net.httpserver.HttpExchange;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import de.kosit.validationtool.api.Configuration;
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import de.kosit.validationtool.impl.ConversionService;
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import de.kosit.validationtool.impl.EngineInformation;
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import de.kosit.validationtool.model.daemon.ApplicationType;
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import de.kosit.validationtool.model.daemon.HealthType;
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import de.kosit.validationtool.model.daemon.MemoryType;
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/**
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* Handler that implements a simple health check. Useful for monitoring the service.
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*
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* @author Andreas Penski
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*/
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@Slf4j
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@RequiredArgsConstructor
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class HealthHandler extends BaseHandler {
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private final Configuration scenarios;
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private final ConversionService conversionService;
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@Override
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public void handle(final HttpExchange httpExchange) throws IOException {
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final HealthType health = createHealth();
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final String xml = this.conversionService.writeXml(health);
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write(httpExchange, xml.getBytes(), APPLICATION_XML);
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}
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private HealthType createHealth() {
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final HealthType h = new HealthType();
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h.setMemory(createMemory());
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h.setApplication(createApplication());
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h.setStatus(!this.scenarios.getScenarios().isEmpty() ? "UP" : "DOWN");
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return h;
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}
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private static MemoryType createMemory() {
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final MemoryType m = new MemoryType();
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final Runtime runtime = Runtime.getRuntime();
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m.setFreeMemory(runtime.freeMemory());
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m.setMaxMemory(runtime.maxMemory());
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m.setTotalMemory(runtime.totalMemory());
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return m;
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}
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private static ApplicationType createApplication() {
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final ApplicationType a = new ApplicationType();
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a.setBuild(EngineInformation.getBuild());
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a.setName(EngineInformation.getName());
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a.setVersion(EngineInformation.getVersion());
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return a;
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}
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}
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