package com.oying.modules.system.service.impl;
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import cn.hutool.core.date.BetweenFormatter.Level;
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import cn.hutool.core.date.DateUtil;
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import com.oying.modules.system.service.MonitorService;
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import lombok.extern.slf4j.Slf4j;
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import com.oying.utils.ElConstant;
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import com.oying.utils.FileUtil;
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import com.oying.utils.StringUtils;
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import org.springframework.stereotype.Service;
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import oshi.SystemInfo;
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import oshi.hardware.*;
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import oshi.software.os.FileSystem;
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import oshi.software.os.OSFileStore;
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import oshi.software.os.OperatingSystem;
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import oshi.util.FormatUtil;
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import oshi.util.Util;
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import java.lang.management.ManagementFactory;
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import java.text.DecimalFormat;
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import java.util.*;
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/**
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* @author Z
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* @date 2020-05-02
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*/
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@Slf4j
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@Service
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public class MonitorServiceImpl implements MonitorService {
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private final DecimalFormat df = new DecimalFormat("0.00");
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@Override
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public Map<String,Object> getServers(){
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Map<String, Object> resultMap = new LinkedHashMap<>(8);
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try {
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SystemInfo si = new SystemInfo();
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OperatingSystem os = si.getOperatingSystem();
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HardwareAbstractionLayer hal = si.getHardware();
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// 系统信息
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resultMap.put("sys", getSystemInfo(os));
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// cpu 信息
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resultMap.put("cpu", getCpuInfo(hal.getProcessor()));
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// 内存信息
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resultMap.put("memory", getMemoryInfo(hal.getMemory()));
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// 交换区信息
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resultMap.put("swap", getSwapInfo(hal.getMemory()));
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// 磁盘
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resultMap.put("disk", getDiskInfo(os));
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resultMap.put("time", DateUtil.format(new Date(), "HH:mm:ss"));
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} catch (Exception e) {
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log.error(e.getMessage(), e);
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}
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return resultMap;
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}
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/**
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* 获取磁盘信息
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* @return /
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*/
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private Map<String,Object> getDiskInfo(OperatingSystem os) {
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Map<String,Object> diskInfo = new LinkedHashMap<>();
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FileSystem fileSystem = os.getFileSystem();
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List<OSFileStore> fsArray = fileSystem.getFileStores();
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String osName = System.getProperty("os.name");
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long available = 0, total = 0;
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for (OSFileStore fs : fsArray){
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// windows 需要将所有磁盘分区累加，linux 和 mac 直接累加会出现磁盘重复的问题，待修复
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if(osName.toLowerCase().startsWith(ElConstant.WIN)) {
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available += fs.getUsableSpace();
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total += fs.getTotalSpace();
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} else {
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available = fs.getUsableSpace();
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total = fs.getTotalSpace();
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break;
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}
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}
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long used = total - available;
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diskInfo.put("total", total > 0 ? FileUtil.getSize(total) : "?");
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diskInfo.put("available", FileUtil.getSize(available));
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diskInfo.put("used", FileUtil.getSize(used));
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if(total != 0){
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diskInfo.put("usageRate", df.format(used/(double)total * 100));
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} else {
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diskInfo.put("usageRate", 0);
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}
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return diskInfo;
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}
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/**
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* 获取交换区信息
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* @param memory /
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* @return /
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*/
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private Map<String,Object> getSwapInfo(GlobalMemory memory) {
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Map<String,Object> swapInfo = new LinkedHashMap<>();
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VirtualMemory virtualMemory = memory.getVirtualMemory();
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long total = virtualMemory.getSwapTotal();
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long used = virtualMemory.getSwapUsed();
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swapInfo.put("total", FormatUtil.formatBytes(total));
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swapInfo.put("used", FormatUtil.formatBytes(used));
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swapInfo.put("available", FormatUtil.formatBytes(total - used));
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if(used == 0){
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swapInfo.put("usageRate", 0);
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} else {
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swapInfo.put("usageRate", df.format(used/(double)total * 100));
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}
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return swapInfo;
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}
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/**
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* 获取内存信息
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* @param memory /
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* @return /
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*/
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private Map<String,Object> getMemoryInfo(GlobalMemory memory) {
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Map<String,Object> memoryInfo = new LinkedHashMap<>();
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memoryInfo.put("total", FormatUtil.formatBytes(memory.getTotal()));
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memoryInfo.put("available", FormatUtil.formatBytes(memory.getAvailable()));
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memoryInfo.put("used", FormatUtil.formatBytes(memory.getTotal() - memory.getAvailable()));
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memoryInfo.put("usageRate", df.format((memory.getTotal() - memory.getAvailable())/(double)memory.getTotal() * 100));
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return memoryInfo;
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}
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/**
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* 获取Cpu相关信息
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* @param processor /
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* @return /
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*/
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private Map<String,Object> getCpuInfo(CentralProcessor processor) {
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Map<String,Object> cpuInfo = new LinkedHashMap<>();
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cpuInfo.put("name", processor.getProcessorIdentifier().getName());
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cpuInfo.put("package", processor.getPhysicalPackageCount() + "个物理CPU");
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cpuInfo.put("core", processor.getPhysicalProcessorCount() + "个物理核心");
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cpuInfo.put("coreNumber", processor.getPhysicalProcessorCount());
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cpuInfo.put("logic", processor.getLogicalProcessorCount() + "个逻辑CPU");
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// CPU信息
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long[] prevTicks = processor.getSystemCpuLoadTicks();
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// 默认等待300毫秒...
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long time = 300;
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Util.sleep(time);
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long[] ticks = processor.getSystemCpuLoadTicks();
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while (Arrays.toString(prevTicks).equals(Arrays.toString(ticks)) && time < 1000){
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time += 25;
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Util.sleep(25);
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ticks = processor.getSystemCpuLoadTicks();
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}
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long user = ticks[CentralProcessor.TickType.USER.getIndex()] - prevTicks[CentralProcessor.TickType.USER.getIndex()];
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long nice = ticks[CentralProcessor.TickType.NICE.getIndex()] - prevTicks[CentralProcessor.TickType.NICE.getIndex()];
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long sys = ticks[CentralProcessor.TickType.SYSTEM.getIndex()] - prevTicks[CentralProcessor.TickType.SYSTEM.getIndex()];
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long idle = ticks[CentralProcessor.TickType.IDLE.getIndex()] - prevTicks[CentralProcessor.TickType.IDLE.getIndex()];
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long iowait = ticks[CentralProcessor.TickType.IOWAIT.getIndex()] - prevTicks[CentralProcessor.TickType.IOWAIT.getIndex()];
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long irq = ticks[CentralProcessor.TickType.IRQ.getIndex()] - prevTicks[CentralProcessor.TickType.IRQ.getIndex()];
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long softirq = ticks[CentralProcessor.TickType.SOFTIRQ.getIndex()] - prevTicks[CentralProcessor.TickType.SOFTIRQ.getIndex()];
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long steal = ticks[CentralProcessor.TickType.STEAL.getIndex()] - prevTicks[CentralProcessor.TickType.STEAL.getIndex()];
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long totalCpu = user + nice + sys + idle + iowait + irq + softirq + steal;
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cpuInfo.put("used", df.format(100d * user / totalCpu + 100d * sys / totalCpu));
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cpuInfo.put("idle", df.format(100d * idle / totalCpu));
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return cpuInfo;
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}
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/**
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* 获取系统相关信息,系统、运行天数、系统IP
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* @param os /
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* @return /
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*/
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private Map<String,Object> getSystemInfo(OperatingSystem os){
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Map<String,Object> systemInfo = new LinkedHashMap<>();
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// jvm 运行时间
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long time = ManagementFactory.getRuntimeMXBean().getStartTime();
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Date date = new Date(time);
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// 计算项目运行时间
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String formatBetween = DateUtil.formatBetween(date, new Date(), Level.HOUR);
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// 系统信息
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systemInfo.put("os", os.toString());
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systemInfo.put("day", formatBetween);
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systemInfo.put("ip", StringUtils.getLocalIp());
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return systemInfo;
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}
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}
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