package se.wgcloud;
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import se.wgcloud.entity.*;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import oshi.hardware.CentralProcessor;
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import oshi.hardware.GlobalMemory;
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import oshi.hardware.HardwareAbstractionLayer;
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import oshi.hardware.NetworkIF;
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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.OSProcess;
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import oshi.software.os.OperatingSystem;
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import oshi.util.Util;
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import java.sql.Timestamp;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* @version v3.3
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* @ClassName: OshiUtil
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* @author:
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* @date: 2021年11月19日
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* @Description: Oshi工具类
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* @Copyright:
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*/
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public class OshiUtil {
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private static Logger logger = LoggerFactory.getLogger(OshiUtil.class);
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private static CommonConfig commonConfig = (CommonConfig) ApplicationContextHelper.getBean(CommonConfig.class);
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private static Runtime r = Runtime.getRuntime();
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/**
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* 获取内存使用信息
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*
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* @return
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*/
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public static MemState memory(GlobalMemory memory) throws Exception {
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MemState memState = new MemState();
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long total = memory.getTotal() / 1024L / 1024L;
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long free = memory.getAvailable() / 1024L / 1024L;
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double usePer = (double) (total - free) / (double) total;
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memState.setUsePer(FormatUtil.formatDouble(usePer * 100, 1));
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memState.setHostname(commonConfig.getBindIp());
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return memState;
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}
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/**
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* 获取cpu使用率，等待率，空闲率
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*
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* @return
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* @throws Exception
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*/
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public static CpuState cpu(CentralProcessor processor) throws Exception {
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long[] prevTicks = processor.getSystemCpuLoadTicks();
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// Wait a second...
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Util.sleep(1000);
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CpuState cpuState = new CpuState();
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cpuState.setSys(FormatUtil.formatDouble(processor.getSystemCpuLoadBetweenTicks(prevTicks) * 100, 1));
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cpuState.setHostname(commonConfig.getBindIp());
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return cpuState;
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}
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/**
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* 获取操作系统信息
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*
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* @return
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* @throws Exception
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*/
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public static SystemInfo os(CentralProcessor processor, OperatingSystem os) throws Exception {
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SystemInfo systemInfo = new SystemInfo();
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systemInfo.setHostname(commonConfig.getBindIp());
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systemInfo.setCpuCoreNum(processor.getLogicalProcessorCount() + "");
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String cpuInfo = processor.toString();
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if (cpuInfo.indexOf("\n") > 0) {
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cpuInfo = cpuInfo.substring(0, cpuInfo.indexOf("\n"));
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}
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systemInfo.setCpuXh(cpuInfo);
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systemInfo.setVersion(os.toString());
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systemInfo.setVersionDetail(os.toString());
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systemInfo.setState("1");
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return systemInfo;
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}
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/**
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* 获取磁盘使用信息
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*
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* @throws Exception
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*/
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public static List<DeskState> file(Timestamp t, FileSystem fileSystem) throws Exception {
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List<DeskState> list = new ArrayList<DeskState>();
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List<OSFileStore> fsArray = fileSystem.getFileStores();
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for (OSFileStore fs : fsArray) {
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long usable = fs.getUsableSpace();
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long total = fs.getTotalSpace();
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DeskState deskState = new DeskState();
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deskState.setFileSystem(fs.getName());
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deskState.setHostname(commonConfig.getBindIp());
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deskState.setUsed(((total - usable) / 1024 / 1024 / 1024) + "G");
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deskState.setAvail((usable / 1024 / 1024 / 1024) + "G");
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deskState.setSize((total / 1024 / 1024 / 1024) + "G");
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double usedSize = (total - usable);
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double usePercent = 0;
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if (total > 0) {
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usePercent = FormatUtil.formatDouble(usedSize / total * 100D, 2);
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}
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deskState.setUsePer(usePercent + "%");
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deskState.setCreateTime(t);
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list.add(deskState);
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}
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return list;
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}
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/**
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* 获取系统负载
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*
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* @return
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*/
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public static SysLoadState getLoadState(SystemInfo systemInfo, CentralProcessor processor) throws Exception {
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SysLoadState sysLoadState = new SysLoadState();
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if (systemInfo == null) {
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return null;
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}
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if (systemInfo.getVersionDetail().indexOf("Microsoft") > -1) {
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//windows系统不支持负载指标
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return null;
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}
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double[] loadAverage = processor.getSystemLoadAverage(3);
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sysLoadState.setOneLoad(loadAverage[0]);
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sysLoadState.setHostname(commonConfig.getBindIp());
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sysLoadState.setFiveLoad(loadAverage[1]);
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sysLoadState.setFifteenLoad(loadAverage[2]);
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return sysLoadState;
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}
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/**
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* 获取进程信息
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*
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* @return
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*/
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public static AppState getLoadPid(String pid, OperatingSystem os, GlobalMemory memory) throws Exception {
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try {
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List<Integer> pidList = new ArrayList<>();
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pidList.add(Integer.valueOf(pid));
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List<OSProcess> procs = os.getProcesses(pidList);
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for (int i = 0; i < procs.size() && i < 5; i++) {
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OSProcess p = procs.get(i);
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AppState appState = new AppState();
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appState.setCpuPer(FormatUtil.formatDouble(100d * (p.getKernelTime() + p.getUserTime()) / p.getUpTime(), 2));
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appState.setMemPer(FormatUtil.formatDouble(100d * p.getResidentSetSize() / memory.getTotal(), 2));
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return appState;
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}
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} catch (Exception e) {
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logger.error("获取进程信息错误", e);
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}
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return null;
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}
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/**
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* 获取网络带宽
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*
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* @param hal
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* @return
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* @throws Exception
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*/
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public static NetIoState net(HardwareAbstractionLayer hal) throws Exception {
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long rxBytesBegin = 0;
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long txBytesBegin = 0;
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long rxPacketsBegin = 0;
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long txPacketsBegin = 0;
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long rxBytesEnd = 0;
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long txBytesEnd = 0;
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long rxPacketsEnd = 0;
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long txPacketsEnd = 0;
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List<NetworkIF> listBegin = hal.getNetworkIFs();
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for (NetworkIF net : listBegin) {
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rxBytesBegin += net.getBytesRecv();
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txBytesBegin += net.getBytesSent();
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rxPacketsBegin += net.getPacketsRecv();
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txPacketsBegin += net.getPacketsSent();
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}
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//暂停3秒
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Thread.sleep(5000);
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List<NetworkIF> listEnd = hal.getNetworkIFs();
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for (NetworkIF net : listEnd) {
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rxBytesEnd += net.getBytesRecv();
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txBytesEnd += net.getBytesSent();
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rxPacketsEnd += net.getPacketsRecv();
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txPacketsEnd += net.getPacketsSent();
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}
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long rxBytesAvg = (rxBytesEnd - rxBytesBegin) / 3 / 1024;
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long txBytesAvg = (txBytesEnd - txBytesBegin) / 3 / 1024;
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long rxPacketsAvg = (rxPacketsEnd - rxPacketsBegin) / 3 / 1024;
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long txPacketsAvg = (txPacketsEnd - txPacketsBegin) / 3 / 1024;
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NetIoState netIoState = new NetIoState();
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netIoState.setRxbyt(rxBytesAvg + "");
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netIoState.setTxbyt(txBytesAvg + "");
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netIoState.setRxpck(rxPacketsAvg + "");
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netIoState.setTxpck(txPacketsAvg + "");
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netIoState.setHostname(commonConfig.getBindIp());
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return netIoState;
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}
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}
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