package com.jcdm.framework.web.domain;
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import java.net.UnknownHostException;
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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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import com.jcdm.common.utils.Arith;
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import com.jcdm.common.utils.ip.IpUtils;
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import com.jcdm.framework.web.domain.server.Cpu;
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import com.jcdm.framework.web.domain.server.Jvm;
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import com.jcdm.framework.web.domain.server.Mem;
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import com.jcdm.framework.web.domain.server.Sys;
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import com.jcdm.framework.web.domain.server.SysFile;
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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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/**
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* 服务器相关信息
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*
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* @author jc
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*/
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public class Server
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{
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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 Cpu cpu = new Cpu();
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/**
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* 內存相关信息
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*/
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private Mem mem = new Mem();
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/**
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* JVM相关信息
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*/
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private Jvm jvm = new Jvm();
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/**
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* 服务器相关信息
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*/
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private Sys sys = new Sys();
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/**
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* 磁盘相关信息
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*/
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private List<SysFile> sysFiles = new LinkedList<SysFile>();
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public Cpu getCpu()
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{
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return cpu;
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}
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public void setCpu(Cpu cpu)
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{
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this.cpu = cpu;
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}
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public Mem getMem()
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{
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return mem;
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}
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public void setMem(Mem mem)
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{
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this.mem = mem;
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}
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public Jvm getJvm()
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{
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return jvm;
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}
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public void setJvm(Jvm jvm)
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{
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this.jvm = jvm;
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}
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public Sys getSys()
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{
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return sys;
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}
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public void setSys(Sys sys)
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{
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this.sys = sys;
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}
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public List<SysFile> getSysFiles()
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{
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return sysFiles;
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}
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public void setSysFiles(List<SysFile> sysFiles)
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{
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this.sysFiles = sysFiles;
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}
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public void copyTo() throws Exception
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{
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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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{
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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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{
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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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{
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Properties props = System.getProperties();
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sys.setComputerName(IpUtils.getHostName());
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sys.setComputerIp(IpUtils.getHostIp());
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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() throws UnknownHostException
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{
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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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{
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FileSystem fileSystem = os.getFileSystem();
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List<OSFileStore> fsArray = fileSystem.getFileStores();
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for (OSFileStore fs : fsArray)
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{
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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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SysFile sysFile = new SysFile();
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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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sysFile.setUsage(Arith.mul(Arith.div(used, total, 4), 100));
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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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{
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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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{
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return String.format("%.1f GB", (float) size / gb);
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}
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else if (size >= mb)
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{
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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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}
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else if (size >= kb)
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{
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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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}
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else
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{
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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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