JavaNetty心跳监控
import java.net.InetAddress; import java.net.UnknownHostException; import java.util.Map; import java.util.Properties; import org.hyperic.sigar.CpuInfo; import org.hyperic.sigar.CpuPerc; import org.hyperic.sigar.FileSystem; import org.hyperic.sigar.FileSystemUsage; import org.hyperic.sigar.Mem; import org.hyperic.sigar.NetInterfaceConfig; import org.hyperic.sigar.NetInterfaceStat; import org.hyperic.sigar.OperatingSystem; import org.hyperic.sigar.Sigar; import org.hyperic.sigar.SigarException; import org.hyperic.sigar.Swap; import org.hyperic.sigar.Who; public class TestSigar { public TestSigar() { } public static void main(String[] args) { try { property(); System.out.println("----------------------------------"); cpu(); System.out.println("----------------------------------"); memory(); System.out.println("----------------------------------"); os(); System.out.println("----------------------------------"); who(); System.out.println("----------------------------------"); file(); System.out.println("----------------------------------"); net(); System.out.println("----------------------------------"); ethernet(); System.out.println("----------------------------------"); } catch (Exception var2) { var2.printStackTrace(); } } private static void property() throws UnknownHostException { Runtime r = Runtime.getRuntime(); Properties props = System.getProperties(); InetAddress addr = InetAddress.getLocalHost(); String ip = addr.getHostAddress(); Map<String, String> map = System.getenv(); String userName = (String)map.get("USERNAME"); String computerName = (String)map.get("COMPUTERNAME"); String userDomain = (String)map.get("USERDOMAIN"); System.out.println("用户名: " + userName); System.out.println("计算机名: " + computerName); System.out.println("计算机域名: " + userDomain); System.out.println("本地ip地址: " + ip); System.out.println("本地主机名: " + addr.getHostName()); System.out.println("JVM可以使用的总内存: " + r.totalMemory()); System.out.println("JVM可以使用的剩余内存: " + r.freeMemory()); System.out.println("JVM可以使用的处理器个数: " + r.availableProcessors()); System.out.println("Java的运行环境版本: " + props.getProperty("java.version")); System.out.println("Java的运行环境供应商: " + props.getProperty("java.vendor")); System.out.println("Java供应商的URL: " + props.getProperty("java.vendor.url")); System.out.println("Java的安装路径: " + props.getProperty("java.home")); System.out.println("Java的虚拟机规范版本: " + props.getProperty("java.vm.specification.version")); System.out.println("Java的虚拟机规范供应商: " + props.getProperty("java.vm.specification.vendor")); System.out.println("Java的虚拟机规范名称: " + props.getProperty("java.vm.specification.name")); System.out.println("Java的虚拟机实现版本: " + props.getProperty("java.vm.version")); System.out.println("Java的虚拟机实现供应商: " + props.getProperty("java.vm.vendor")); System.out.println("Java的虚拟机实现名称: " + props.getProperty("java.vm.name")); System.out.println("Java运行时环境规范版本: " + props.getProperty("java.specification.version")); System.out.println("Java运行时环境规范供应商: " + props.getProperty("java.specification.vender")); System.out.println("Java运行时环境规范名称: " + props.getProperty("java.specification.name")); System.out.println("Java的类格式版本号: " + props.getProperty("java.class.version")); System.out.println("Java的类路径: " + props.getProperty("java.class.path")); System.out.println("加载库时搜索的路径列表: " + props.getProperty("java.library.path")); System.out.println("默认的临时文件路径: " + props.getProperty("java.io.tmpdir")); System.out.println("一个或多个扩展目录的路径: " + props.getProperty("java.ext.dirs")); System.out.println("操作系统的名称: " + props.getProperty("os.name")); System.out.println("操作系统的构架: " + props.getProperty("os.arch")); System.out.println("操作系统的版本: " + props.getProperty("os.version")); System.out.println("文件分隔符: " + props.getProperty("file.separator")); System.out.println("路径分隔符: " + props.getProperty("path.separator")); System.out.println("行分隔符: " + props.getProperty("line.separator")); System.out.println("用户的账户名称: " + props.getProperty("user.name")); System.out.println("用户的主目录: " + props.getProperty("user.home")); System.out.println("用户的当前工作目录: " + props.getProperty("user.dir")); } private static void memory() throws SigarException { Sigar sigar = new Sigar(); Mem mem = sigar.getMem(); System.out.println("内存总量: " + mem.getTotal() / 1024L + "K av"); System.out.println("当前内存使用量: " + mem.getUsed() / 1024L + "K used"); System.out.println("当前内存剩余量: " + mem.getFree() / 1024L + "K free"); Swap swap = sigar.getSwap(); System.out.println("交换区总量: " + swap.getTotal() / 1024L + "K av"); System.out.println("当前交换区使用量: " + swap.getUsed() / 1024L + "K used"); System.out.println("当前交换区剩余量: " + swap.getFree() / 1024L + "K free"); } private static void cpu() throws SigarException { Sigar sigar = new Sigar(); CpuInfo[] infos = sigar.getCpuInfoList(); CpuPerc[] cpuList = null; System.out.println("cpu 总量参数情况:" + sigar.getCpu()); System.out.println("cpu 总百分比情况:" + sigar.getCpuPerc()); cpuList = sigar.getCpuPercList(); for(int i = 0; i < infos.length; ++i) { CpuInfo info = infos[i]; System.out.println("第" + (i + 1) + "块CPU信息"); System.out.println("CPU的总量MHz: " + info.getMhz()); System.out.println("CPU生产商: " + info.getVendor()); System.out.println("CPU类别: " + info.getModel()); System.out.println("CPU缓存数量: " + info.getCacheSize()); printCpuPerc(cpuList[i]); } } private static void printCpuPerc(CpuPerc cpu) { System.out.println("CPU用户使用率: " + CpuPerc.format(cpu.getUser())); System.out.println("CPU系统使用率: " + CpuPerc.format(cpu.getSys())); System.out.println("CPU当前等待率: " + CpuPerc.format(cpu.getWait())); System.out.println("CPU当前错误率: " + CpuPerc.format(cpu.getNice())); System.out.println("CPU当前空闲率: " + CpuPerc.format(cpu.getIdle())); System.out.println("CPU总的使用率: " + CpuPerc.format(cpu.getCombined())); } private static void os() { OperatingSystem OS = OperatingSystem.getInstance(); System.out.println("操作系统: " + OS.getArch()); System.out.println("操作系统CpuEndian(): " + OS.getCpuEndian()); System.out.println("操作系统DataModel(): " + OS.getDataModel()); System.out.println("操作系统的描述: " + OS.getDescription()); System.out.println("操作系统的卖主: " + OS.getVendor()); System.out.println("操作系统的卖主名: " + OS.getVendorCodeName()); System.out.println("操作系统名称: " + OS.getVendorName()); System.out.println("操作系统卖主类型: " + OS.getVendorVersion()); System.out.println("操作系统的版本号: " + OS.getVersion()); } private static void who() throws SigarException { Sigar sigar = new Sigar(); Who[] who = sigar.getWhoList(); if (who != null && who.length > 0) { for(int i = 0; i < who.length; ++i) { Who _who = who[i]; System.out.println("用户控制台: " + _who.getDevice()); System.out.println("用户host: " + _who.getHost()); System.out.println("当前系统进程表中的用户名: " + _who.getUser()); } } } private static void file() throws Exception { Sigar sigar = new Sigar(); FileSystem[] fslist = sigar.getFileSystemList(); int i = 0; while(i < fslist.length) { System.out.println("分区的盘符名称" + i); FileSystem fs = fslist[i]; System.out.println("盘符名称: " + fs.getDevName()); System.out.println("盘符路径: " + fs.getDirName()); System.out.println("盘符标志: " + fs.getFlags()); System.out.println("盘符类型: " + fs.getSysTypeName()); System.out.println("盘符类型名: " + fs.getTypeName()); System.out.println("盘符文件系统类型: " + fs.getType()); FileSystemUsage usage = null; usage = sigar.getFileSystemUsage(fs.getDirName()); switch(fs.getType()) { case 2: System.out.println(fs.getDevName() + "总大小: " + usage.getTotal() + "KB"); System.out.println(fs.getDevName() + "剩余大小: " + usage.getFree() + "KB"); System.out.println(fs.getDevName() + "可用大小: " + usage.getAvail() + "KB"); System.out.println(fs.getDevName() + "已经使用量: " + usage.getUsed() + "KB"); double usePercent = usage.getUsePercent() * 100.0D; System.out.println(fs.getDevName() + "资源的利用率: " + usePercent + "%"); case 0: case 1: case 3: case 4: case 5: case 6: default: System.out.println(fs.getDevName() + "读出: " + usage.getDiskReads()); System.out.println(fs.getDevName() + "写入: " + usage.getDiskWrites()); ++i; } } } private static void net() throws Exception { Sigar sigar = new Sigar(); String[] ifNames = sigar.getNetInterfaceList(); for(int i = 0; i < ifNames.length; ++i) { String name = ifNames[i]; NetInterfaceConfig ifconfig = sigar.getNetInterfaceConfig(name); System.out.println("网络设备名: " + name); System.out.println("IP地址: " + ifconfig.getAddress()); System.out.println("子网掩码: " + ifconfig.getNetmask()); if ((ifconfig.getFlags() & 1L) <= 0L) { System.out.println("!IFF_UP...skipping getNetInterfaceStat"); } else { NetInterfaceStat ifstat = sigar.getNetInterfaceStat(name); System.out.println(name + "接收的总包裹数:" + ifstat.getRxPackets()); System.out.println(name + "发送的总包裹数:" + ifstat.getTxPackets()); System.out.println(name + "接收到的总字节数:" + ifstat.getRxBytes()); System.out.println(name + "发送的总字节数:" + ifstat.getTxBytes()); System.out.println(name + "接收到的错误包数:" + ifstat.getRxErrors()); System.out.println(name + "发送数据包时的错误数:" + ifstat.getTxErrors()); System.out.println(name + "接收时丢弃的包数:" + ifstat.getRxDropped()); System.out.println(name + "发送时丢弃的包数:" + ifstat.getTxDropped()); } } } private static void ethernet() throws SigarException { Sigar sigar = null; sigar = new Sigar(); String[] ifaces = sigar.getNetInterfaceList(); for(int i = 0; i < ifaces.length; ++i) { NetInterfaceConfig cfg = sigar.getNetInterfaceConfig(ifaces[i]); if (!"127.0.0.1".equals(cfg.getAddress()) && (cfg.getFlags() & 8L) == 0L && !"00:00:00:00:00:00".equals(cfg.getHwaddr())) { System.out.println(cfg.getName() + "IP地址:" + cfg.getAddress()); System.out.println(cfg.getName() + "网关广播地址:" + cfg.getBroadcast()); System.out.println(cfg.getName() + "网卡MAC地址:" + cfg.getHwaddr()); System.out.println(cfg.getName() + "子网掩码:" + cfg.getNetmask()); System.out.println(cfg.getName() + "网卡描述信息:" + cfg.getDescription()); System.out.println(cfg.getName() + "网卡类型" + cfg.getType()); } } } }
import io.netty.channel.ChannelHandlerAdapter; import io.netty.channel.ChannelHandlerContext; import io.netty.util.ReferenceCountUtil; import java.net.InetAddress; import java.util.HashMap; import java.util.concurrent.Executors; import java.util.concurrent.ScheduledExecutorService; import java.util.concurrent.ScheduledFuture; import java.util.concurrent.TimeUnit; import org.hyperic.sigar.CpuPerc; import org.hyperic.sigar.Mem; import org.hyperic.sigar.Sigar; public class ClienHeartBeattHandler extends ChannelHandlerAdapter { private ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1); private ScheduledFuture<?> heartBeat; private InetAddress addr; private static final String SUCCESS_KEY = "auth_success_key"; public ClienHeartBeattHandler() { } public void channelActive(ChannelHandlerContext ctx) throws Exception { this.addr = InetAddress.getLocalHost(); String ip = this.addr.getHostAddress(); String key = "1234"; String auth = ip + "," + key; ctx.writeAndFlush(auth); } public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { try { if (msg instanceof String) { String ret = (String)msg; if ("auth_success_key".equals(ret)) { this.heartBeat = this.scheduler.scheduleWithFixedDelay(new ClienHeartBeattHandler.HeartBeatTask(ctx), 0L, 2L, TimeUnit.SECONDS); System.out.println(msg); } else { System.out.println(msg); } } } finally { ReferenceCountUtil.release(msg); } } private class HeartBeatTask implements Runnable { private final ChannelHandlerContext ctx; public HeartBeatTask(ChannelHandlerContext ctx) { this.ctx = ctx; } public void run() { try { RequestInfo info = new RequestInfo(); info.setIp(ClienHeartBeattHandler.this.addr.getHostAddress()); Sigar sigar = new Sigar(); CpuPerc cpuPerc = sigar.getCpuPerc(); HashMap<String, Object> cpuPercMap = new HashMap(); cpuPercMap.put("combined", cpuPerc.getCombined()); cpuPercMap.put("user", cpuPerc.getUser()); cpuPercMap.put("sys", cpuPerc.getSys()); cpuPercMap.put("wait", cpuPerc.getWait()); cpuPercMap.put("idle", cpuPerc.getIdle()); Mem mem = sigar.getMem(); HashMap<String, Object> memoryMap = new HashMap(); memoryMap.put("total", mem.getTotal() / 1024L); memoryMap.put("used", mem.getUsed() / 1024L); memoryMap.put("free", mem.getFree() / 1024L); info.setCpuPercMap(cpuPercMap); info.setMemoryMap(memoryMap); this.ctx.writeAndFlush(info); } catch (Exception var7) { var7.printStackTrace(); } } public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception { cause.printStackTrace(); if (ClienHeartBeattHandler.this.heartBeat != null) { ClienHeartBeattHandler.this.heartBeat.cancel(true); ClienHeartBeattHandler.this.heartBeat = null; } ctx.fireExceptionCaught(cause); } } }
import io.netty.bootstrap.Bootstrap; import io.netty.channel.ChannelFuture; import io.netty.channel.ChannelHandler; import io.netty.channel.ChannelInitializer; import io.netty.channel.EventLoopGroup; import io.netty.channel.nio.NioEventLoopGroup; import io.netty.channel.socket.SocketChannel; import io.netty.channel.socket.nio.NioSocketChannel; public class Client { public Client() { } public static void main(String[] args) throws Exception { EventLoopGroup group = new NioEventLoopGroup(); Bootstrap b = new Bootstrap(); ((Bootstrap)((Bootstrap)b.group(group)).channel(NioSocketChannel.class)).handler(new ChannelInitializer<SocketChannel>() { protected void initChannel(SocketChannel sc) throws Exception { sc.pipeline().addLast(new ChannelHandler[]{MarshallingCodeCFactory.buildMarshallingDecoder()}); sc.pipeline().addLast(new ChannelHandler[]{MarshallingCodeCFactory.buildMarshallingEncoder()}); sc.pipeline().addLast(new ChannelHandler[]{new ClienHeartBeattHandler()}); } }); ChannelFuture cf = b.connect("127.0.0.1", 8765).sync(); cf.channel().closeFuture().sync(); group.shutdownGracefully(); } }
import io.netty.handler.codec.marshalling.DefaultMarshallerProvider; import io.netty.handler.codec.marshalling.DefaultUnmarshallerProvider; import io.netty.handler.codec.marshalling.MarshallerProvider; import io.netty.handler.codec.marshalling.MarshallingDecoder; import io.netty.handler.codec.marshalling.MarshallingEncoder; import io.netty.handler.codec.marshalling.UnmarshallerProvider; import org.jboss.marshalling.MarshallerFactory; import org.jboss.marshalling.Marshalling; import org.jboss.marshalling.MarshallingConfiguration; public final class MarshallingCodeCFactory { public MarshallingCodeCFactory() { } public static MarshallingDecoder buildMarshallingDecoder() { MarshallerFactory marshallerFactory = Marshalling.getProvidedMarshallerFactory("serial"); MarshallingConfiguration configuration = new MarshallingConfiguration(); configuration.setVersion(5); UnmarshallerProvider provider = new DefaultUnmarshallerProvider(marshallerFactory, configuration); MarshallingDecoder decoder = new MarshallingDecoder(provider, 1048576); return decoder; } public static MarshallingEncoder buildMarshallingEncoder() { MarshallerFactory marshallerFactory = Marshalling.getProvidedMarshallerFactory("serial"); MarshallingConfiguration configuration = new MarshallingConfiguration(); configuration.setVersion(5); MarshallerProvider provider = new DefaultMarshallerProvider(marshallerFactory, configuration); MarshallingEncoder encoder = new MarshallingEncoder(provider); return encoder; } }
import java.io.Serializable; import java.util.HashMap; public class RequestInfo implements Serializable { private String ip; private HashMap<String, Object> cpuPercMap; private HashMap<String, Object> memoryMap; public RequestInfo() { } public String getIp() { return this.ip; } public void setIp(String ip) { this.ip = ip; } public HashMap<String, Object> getCpuPercMap() { return this.cpuPercMap; } public void setCpuPercMap(HashMap<String, Object> cpuPercMap) { this.cpuPercMap = cpuPercMap; } public HashMap<String, Object> getMemoryMap() { return this.memoryMap; } public void setMemoryMap(HashMap<String, Object> memoryMap) { this.memoryMap = memoryMap; } }
import io.netty.bootstrap.ServerBootstrap; import io.netty.channel.ChannelFuture; import io.netty.channel.ChannelHandler; import io.netty.channel.ChannelInitializer; import io.netty.channel.ChannelOption; import io.netty.channel.EventLoopGroup; import io.netty.channel.nio.NioEventLoopGroup; import io.netty.channel.socket.SocketChannel; import io.netty.channel.socket.nio.NioServerSocketChannel; import io.netty.handler.logging.LogLevel; import io.netty.handler.logging.LoggingHandler; public class Server { public Server() { } public static void main(String[] args) throws Exception { EventLoopGroup pGroup = new NioEventLoopGroup(); EventLoopGroup cGroup = new NioEventLoopGroup(); ServerBootstrap b = new ServerBootstrap(); ((ServerBootstrap)((ServerBootstrap)((ServerBootstrap)b.group(pGroup, cGroup).channel(NioServerSocketChannel.class)).option(ChannelOption.SO_BACKLOG, 1024)).handler(new LoggingHandler(LogLevel.INFO))).childHandler(new ChannelInitializer<SocketChannel>() { protected void initChannel(SocketChannel sc) throws Exception { sc.pipeline().addLast(new ChannelHandler[]{MarshallingCodeCFactory.buildMarshallingDecoder()}); sc.pipeline().addLast(new ChannelHandler[]{MarshallingCodeCFactory.buildMarshallingEncoder()}); sc.pipeline().addLast(new ChannelHandler[]{new ServerHeartBeatHandler()}); } }); ChannelFuture cf = b.bind(8765).sync(); cf.channel().closeFuture().sync(); pGroup.shutdownGracefully(); cGroup.shutdownGracefully(); } }
import io.netty.channel.ChannelFutureListener; import io.netty.channel.ChannelHandlerAdapter; import io.netty.channel.ChannelHandlerContext; import java.util.HashMap; public class ServerHeartBeatHandler extends ChannelHandlerAdapter { private static HashMap<String, String> AUTH_IP_MAP = new HashMap(); private static final String SUCCESS_KEY = "auth_success_key"; static { AUTH_IP_MAP.put("192.168.1.200", "1234"); } public ServerHeartBeatHandler() { } private boolean auth(ChannelHandlerContext ctx, Object msg) { String[] ret = ((String)msg).split(","); String auth = (String)AUTH_IP_MAP.get(ret[0]); if (auth != null && auth.equals(ret[1])) { ctx.writeAndFlush("auth_success_key"); return true; } else { ctx.writeAndFlush("auth failure !").addListener(ChannelFutureListener.CLOSE); return false; } } public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { if (msg instanceof String) { this.auth(ctx, msg); } else if (msg instanceof RequestInfo) { RequestInfo info = (RequestInfo)msg; System.out.println("--------------------------------------------"); System.out.println("当前主机ip为: " + info.getIp()); System.out.println("当前主机cpu情况: "); HashMap<String, Object> cpu = info.getCpuPercMap(); System.out.println("总使用率: " + cpu.get("combined")); System.out.println("用户使用率: " + cpu.get("user")); System.out.println("系统使用率: " + cpu.get("sys")); System.out.println("等待率: " + cpu.get("wait")); System.out.println("空闲率: " + cpu.get("idle")); System.out.println("当前主机memory情况: "); HashMap<String, Object> memory = info.getMemoryMap(); System.out.println("内存总量: " + memory.get("total")); System.out.println("当前内存使用量: " + memory.get("used")); System.out.println("当前内存剩余量: " + memory.get("free")); System.out.println("--------------------------------------------"); ctx.writeAndFlush("info received!"); } else { ctx.writeAndFlush("connect failure!").addListener(ChannelFutureListener.CLOSE); } } }
import java.util.concurrent.Executors; import java.util.concurrent.ScheduledExecutorService; import java.util.concurrent.TimeUnit; public class TestTimeJob { public TestTimeJob() { } public static void main(String[] args) throws Exception { Temp command = new Temp(); ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1); scheduler.scheduleWithFixedDelay(command, 2L, 3L, TimeUnit.SECONDS); } }