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Merge pull request #347 from dromara/dev
[ISSUE #364]Add the system load and cpu usage to alarm message.
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61 changes: 61 additions & 0 deletions
61
common/src/main/java/org/dromara/dynamictp/common/util/MethodUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
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| package org.dromara.dynamictp.common.util; | ||
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| import java.lang.reflect.Method; | ||
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| /** | ||
| * MethodUtil related. | ||
| * | ||
| * @author yanhom | ||
| * @since 1.1.5 | ||
| */ | ||
| public final class MethodUtil { | ||
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| private MethodUtil() { } | ||
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| /** | ||
| * Invoke method and return double value. | ||
| * | ||
| * @param method target method | ||
| * @param targetObj the object the underlying method is invoked from | ||
| * @return result | ||
| */ | ||
| public static double invokeAndReturnDouble(Method method, Object targetObj) { | ||
| try { | ||
| return method != null ? (double) method.invoke(targetObj) : Double.NaN; | ||
| } catch (Exception e) { | ||
| return Double.NaN; | ||
| } | ||
| } | ||
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| /** | ||
| * Invoke method and return long value. | ||
| * | ||
| * @param method target method | ||
| * @param targetObj the object the underlying method is invoked from | ||
| * @return result | ||
| */ | ||
| public static long invokeAndReturnLong(Method method, Object targetObj) { | ||
| try { | ||
| return method != null ? (long) method.invoke(targetObj) : -1; | ||
| } catch (Exception e) { | ||
| return -1; | ||
| } | ||
| } | ||
| } |
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116 changes: 116 additions & 0 deletions
116
core/src/main/java/org/dromara/dynamictp/core/system/OperatingSystemBeanManager.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
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| package org.dromara.dynamictp.core.system; | ||
| import lombok.extern.slf4j.Slf4j; | ||
| import org.dromara.dynamictp.common.util.MethodUtil; | ||
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| import java.lang.management.ManagementFactory; | ||
| import java.lang.management.OperatingSystemMXBean; | ||
| import java.lang.reflect.Method; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.Objects; | ||
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| /** | ||
| * OperatingSystemBeanManager related. | ||
| * | ||
| * @author yanhom | ||
| * @since 1.1.5 | ||
| */ | ||
| @Slf4j | ||
| public class OperatingSystemBeanManager { | ||
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| /** | ||
| * com.ibm for J9 | ||
| * com.sun for HotSpot | ||
| */ | ||
| private static final List<String> OPERATING_SYSTEM_BEAN_CLASS_NAMES = Arrays.asList( | ||
| "com.sun.management.OperatingSystemMXBean", "com.ibm.lang.management.OperatingSystemMXBean"); | ||
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| private static final OperatingSystemMXBean OPERATING_SYSTEM_BEAN; | ||
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| private static final Class<?> OPERATING_SYSTEM_BEAN_CLASS; | ||
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| private static final Method SYSTEM_CPU_USAGE_METHOD; | ||
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| private static final Method PROCESS_CPU_TIME_METHOD; | ||
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| private static final Method FREE_PHYSICAL_MEM_METHOD; | ||
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| private static final Method TOTAL_PHYSICAL_MEM_METHOD; | ||
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| static { | ||
| OPERATING_SYSTEM_BEAN = ManagementFactory.getOperatingSystemMXBean(); | ||
| OPERATING_SYSTEM_BEAN_CLASS = loadOne(OPERATING_SYSTEM_BEAN_CLASS_NAMES); | ||
| SYSTEM_CPU_USAGE_METHOD = deduceMethod("getSystemCpuLoad"); | ||
| PROCESS_CPU_TIME_METHOD = deduceMethod("getProcessCpuTime"); | ||
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| Method totalPhysicalMem = deduceMethod("getTotalPhysicalMemorySize"); | ||
| // getTotalPhysicalMemory for ibm jdk 7. | ||
| TOTAL_PHYSICAL_MEM_METHOD = totalPhysicalMem != null ? totalPhysicalMem : | ||
| deduceMethod("getTotalPhysicalMemory"); | ||
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| FREE_PHYSICAL_MEM_METHOD = deduceMethod("getFreePhysicalMemorySize"); | ||
| } | ||
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| private OperatingSystemBeanManager() { } | ||
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| public static OperatingSystemMXBean getOperatingSystemBean() { | ||
| return OPERATING_SYSTEM_BEAN; | ||
| } | ||
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| public static double getSystemCpuUsage() { | ||
| return MethodUtil.invokeAndReturnDouble(SYSTEM_CPU_USAGE_METHOD, OPERATING_SYSTEM_BEAN); | ||
| } | ||
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| public static long getProcessCpuTime() { | ||
| return MethodUtil.invokeAndReturnLong(PROCESS_CPU_TIME_METHOD, OPERATING_SYSTEM_BEAN); | ||
| } | ||
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| public static long getTotalPhysicalMem() { | ||
| return MethodUtil.invokeAndReturnLong(TOTAL_PHYSICAL_MEM_METHOD, OPERATING_SYSTEM_BEAN); | ||
| } | ||
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| public static long getFreePhysicalMem() { | ||
| return MethodUtil.invokeAndReturnLong(FREE_PHYSICAL_MEM_METHOD, OPERATING_SYSTEM_BEAN); | ||
| } | ||
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| private static Class<?> loadOne(List<String> classNames) { | ||
| for (String className : classNames) { | ||
| try { | ||
| return Class.forName(className); | ||
| } catch (ClassNotFoundException e) { | ||
| log.warn("Failed to load operating system bean class.", e); | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
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| private static Method deduceMethod(String name) { | ||
| if (Objects.isNull(OPERATING_SYSTEM_BEAN_CLASS)) { | ||
| return null; | ||
| } | ||
| try { | ||
| OPERATING_SYSTEM_BEAN_CLASS.cast(OPERATING_SYSTEM_BEAN); | ||
| return OPERATING_SYSTEM_BEAN_CLASS.getDeclaredMethod(name); | ||
| } catch (Exception e) { | ||
| return null; | ||
| } | ||
| } | ||
| } | ||
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