服务监控

created() {
  this.getList();
  this.openLoading();
}

@PreAuthorize("@ss.hasPermi('monitor:server:list')")
@GetMapping()
public AjaxResult getInfo() throws Exception
{
    Server server = new Server();
    server.copyTo();
    return AjaxResult.success(server);
}

server.copyTo();

public void copyTo() throws Exception
{
    SystemInfo si = new SystemInfo();
    HardwareAbstractionLayer hal = si.getHardware();

    setCpuInfo(hal.getProcessor());

    setMemInfo(hal.getMemory());

    setSysInfo();

    setJvmInfo();

    setSysFiles(si.getOperatingSystem());
}

setCpuInfo(hal.getProcessor());

/**
 * 设置CPU信息
 */
private void setCpuInfo(CentralProcessor processor)
{
    // CPU信息
    long[] prevTicks = processor.getSystemCpuLoadTicks();
    Util.sleep(OSHI_WAIT_SECOND);
    long[] ticks = processor.getSystemCpuLoadTicks();
    long nice = ticks[TickType.NICE.getIndex()] - prevTicks[TickType.NICE.getIndex()];
    long irq = ticks[TickType.IRQ.getIndex()] - prevTicks[TickType.IRQ.getIndex()];
    long softirq = ticks[TickType.SOFTIRQ.getIndex()] - prevTicks[TickType.SOFTIRQ.getIndex()];
    long steal = ticks[TickType.STEAL.getIndex()] - prevTicks[TickType.STEAL.getIndex()];
    long cSys = ticks[TickType.SYSTEM.getIndex()] - prevTicks[TickType.SYSTEM.getIndex()];
    long user = ticks[TickType.USER.getIndex()] - prevTicks[TickType.USER.getIndex()];
    long iowait = ticks[TickType.IOWAIT.getIndex()] - prevTicks[TickType.IOWAIT.getIndex()];
    long idle = ticks[TickType.IDLE.getIndex()] - prevTicks[TickType.IDLE.getIndex()];
    long totalCpu = user + nice + cSys + idle + iowait + irq + softirq + steal;
    cpu.setCpuNum(processor.getLogicalProcessorCount());
    cpu.setTotal(totalCpu);
    cpu.setSys(cSys);
    cpu.setUsed(user);
    cpu.setWait(iowait);
    cpu.setFree(idle);
}

setMemInfo(hal.getMemory());

/**
 * 设置内存信息
 */
private void setMemInfo(GlobalMemory memory)
{
    mem.setTotal(memory.getTotal());
    mem.setUsed(memory.getTotal() - memory.getAvailable());
    mem.setFree(memory.getAvailable());
}

setSysInfo();

/**
 * 设置服务器信息
 */
private void setSysInfo()
{
    Properties props = System.getProperties();
    sys.setComputerName(IpUtils.getHostName());
    sys.setComputerIp(IpUtils.getHostIp());
    sys.setOsName(props.getProperty("os.name"));
    sys.setOsArch(props.getProperty("os.arch"));
    sys.setUserDir(props.getProperty("user.dir"));
}

setJvmInfo();

/**
 * 设置Java虚拟机
 */
private void setJvmInfo() throws UnknownHostException
{
    Properties props = System.getProperties();
    jvm.setTotal(Runtime.getRuntime().totalMemory());
    jvm.setMax(Runtime.getRuntime().maxMemory());
    jvm.setFree(Runtime.getRuntime().freeMemory());
    jvm.setVersion(props.getProperty("java.version"));
    jvm.setHome(props.getProperty("java.home"));
}

setSysFiles(si.getOperatingSystem());

/**
 * 设置磁盘信息
 */
private void setSysFiles(OperatingSystem os)
{
    FileSystem fileSystem = os.getFileSystem();
    OSFileStore[] fsArray = fileSystem.getFileStores();
    for (OSFileStore fs : fsArray)
    {
        long free = fs.getUsableSpace();
        long total = fs.getTotalSpace();
        long used = total - free;
        SysFile sysFile = new SysFile();
        sysFile.setDirName(fs.getMount());
        sysFile.setSysTypeName(fs.getType());
        sysFile.setTypeName(fs.getName());
        sysFile.setTotal(convertFileSize(total));
        sysFile.setFree(convertFileSize(free));
        sysFile.setUsed(convertFileSize(used));
        sysFile.setUsage(Arith.mul(Arith.div(used, total, 4), 100));
        sysFiles.add(sysFile);
    }
}