| /* |
| * 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. |
| */ |
| package org.apache.dubbo.admin.registry.common.status; |
| |
| import com.alibaba.dubbo.common.status.Status; |
| import com.alibaba.dubbo.common.status.StatusChecker; |
| |
| import java.lang.management.ManagementFactory; |
| import java.lang.management.OperatingSystemMXBean; |
| import java.lang.reflect.Method; |
| |
| /** |
| * Load StatusController |
| * |
| */ |
| public class LoadStatusChecker implements StatusChecker { |
| |
| public Status check() { |
| OperatingSystemMXBean operatingSystemMXBean = ManagementFactory.getOperatingSystemMXBean(); |
| double load; |
| try { |
| Method method = OperatingSystemMXBean.class.getMethod("getSystemLoadAverage", new Class<?>[0]); |
| load = (Double) method.invoke(operatingSystemMXBean, new Object[0]); |
| } catch (Throwable e) { |
| load = -1; |
| } |
| int cpu = operatingSystemMXBean.getAvailableProcessors(); |
| return new Status(load < 0 ? Status.Level.UNKNOWN : (load < cpu ? Status.Level.OK : Status.Level.WARN), "Load: " + load + " / CPU: " + cpu); |
| } |
| |
| } |