package cn.stylefeng.guns.base.oshi;
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import cn.hutool.core.net.NetUtil;
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import cn.hutool.core.util.NumberUtil;
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import cn.stylefeng.guns.base.oshi.model.*;
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import cn.stylefeng.guns.base.oshi.util.IpInfoUtils;
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import lombok.Data;
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import oshi.SystemInfo;
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import oshi.hardware.CentralProcessor;
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import oshi.hardware.CentralProcessor.TickType;
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import oshi.hardware.GlobalMemory;
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import oshi.hardware.HardwareAbstractionLayer;
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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.Util;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Properties;
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/**
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* 服务器相关信息
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*
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* @author fengshuonan
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* @Date 2019-07-13 13:42
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*/
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@Data
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public class SystemHardwareInfo {
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private static final int OSHI_WAIT_SECOND = 1000;
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/**
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* CPU相关信息
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*/
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private CpuInfo cpu = new CpuInfo();
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/**
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* 內存相关信息
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*/
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private MemInfo mem = new MemInfo();
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/**
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* JVM相关信息
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*/
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private JvmInfo jvm = new JvmInfo();
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/**
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* 服务器相关信息
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*/
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private SysInfo sys = new SysInfo();
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/**
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* 磁盘相关信息
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*/
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private List<SysFileInfo> sysFiles = new LinkedList<>();
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public void copyTo() {
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SystemInfo si = new SystemInfo();
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HardwareAbstractionLayer hal = si.getHardware();
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setCpuInfo(hal.getProcessor());
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setMemInfo(hal.getMemory());
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setSysInfo();
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setJvmInfo();
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setSysFiles(si.getOperatingSystem());
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}
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/**
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* 设置CPU信息
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*/
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private void setCpuInfo(CentralProcessor processor) {
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// CPU信息
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long[] prevTicks = processor.getSystemCpuLoadTicks();
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Util.sleep(OSHI_WAIT_SECOND);
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long[] ticks = processor.getSystemCpuLoadTicks();
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long nice = ticks[TickType.NICE.getIndex()] - prevTicks[TickType.NICE.getIndex()];
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long irq = ticks[TickType.IRQ.getIndex()] - prevTicks[TickType.IRQ.getIndex()];
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long softirq = ticks[TickType.SOFTIRQ.getIndex()] - prevTicks[TickType.SOFTIRQ.getIndex()];
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long steal = ticks[TickType.STEAL.getIndex()] - prevTicks[TickType.STEAL.getIndex()];
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long cSys = ticks[TickType.SYSTEM.getIndex()] - prevTicks[TickType.SYSTEM.getIndex()];
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long user = ticks[TickType.USER.getIndex()] - prevTicks[TickType.USER.getIndex()];
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long iowait = ticks[TickType.IOWAIT.getIndex()] - prevTicks[TickType.IOWAIT.getIndex()];
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long idle = ticks[TickType.IDLE.getIndex()] - prevTicks[TickType.IDLE.getIndex()];
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long totalCpu = user + nice + cSys + idle + iowait + irq + softirq + steal;
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cpu.setCpuNum(processor.getLogicalProcessorCount());
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cpu.setTotal(totalCpu);
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cpu.setSys(cSys);
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cpu.setUsed(user);
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cpu.setWait(iowait);
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cpu.setFree(idle);
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}
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/**
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* 设置内存信息
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*/
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private void setMemInfo(GlobalMemory memory) {
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mem.setTotal(memory.getTotal());
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mem.setUsed(memory.getTotal() - memory.getAvailable());
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mem.setFree(memory.getAvailable());
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}
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/**
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* 设置服务器信息
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*/
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private void setSysInfo() {
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Properties props = System.getProperties();
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sys.setComputerName(IpInfoUtils.getHostName());
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sys.setComputerIp(NetUtil.getLocalhostStr());
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sys.setOsName(props.getProperty("os.name"));
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sys.setOsArch(props.getProperty("os.arch"));
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sys.setUserDir(props.getProperty("user.dir"));
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}
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/**
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* 设置Java虚拟机
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*/
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private void setJvmInfo() {
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Properties props = System.getProperties();
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jvm.setTotal(Runtime.getRuntime().totalMemory());
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jvm.setMax(Runtime.getRuntime().maxMemory());
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jvm.setFree(Runtime.getRuntime().freeMemory());
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jvm.setVersion(props.getProperty("java.version"));
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jvm.setHome(props.getProperty("java.home"));
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}
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/**
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* 设置磁盘信息
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*/
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private void setSysFiles(OperatingSystem os) {
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FileSystem fileSystem = os.getFileSystem();
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OSFileStore[] fsArray = fileSystem.getFileStores();
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for (OSFileStore fs : fsArray) {
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long free = fs.getUsableSpace();
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long total = fs.getTotalSpace();
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long used = total - free;
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SysFileInfo sysFile = new SysFileInfo();
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sysFile.setDirName(fs.getMount());
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sysFile.setSysTypeName(fs.getType());
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sysFile.setTypeName(fs.getName());
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sysFile.setTotal(convertFileSize(total));
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sysFile.setFree(convertFileSize(free));
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sysFile.setUsed(convertFileSize(used));
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if (total == 0) {
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sysFile.setUsage(0);
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} else {
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sysFile.setUsage(NumberUtil.mul(NumberUtil.div(used, total, 4), 100));
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}
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sysFiles.add(sysFile);
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}
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}
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/**
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* 字节转换
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*
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* @param size 字节大小
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* @return 转换后值
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*/
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public String convertFileSize(long size) {
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long kb = 1024;
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long mb = kb * 1024;
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long gb = mb * 1024;
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if (size >= gb) {
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return String.format("%.1f GB", (float) size / gb);
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} else if (size >= mb) {
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float f = (float) size / mb;
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return String.format(f > 100 ? "%.0f MB" : "%.1f MB", f);
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} else if (size >= kb) {
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float f = (float) size / kb;
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return String.format(f > 100 ? "%.0f KB" : "%.1f KB", f);
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} else {
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return String.format("%d B", size);
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}
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}
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}
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