大家好,我现在想做一个监控平台,主要要获取tomcat、mysql,主机硬盘容量,内存等这些数据参数,然后以表格的形式做页面展示,但是没什么思路啊,我想问说这些数据是不是有现成的,只要通过一些接口去获取就可以了,还是说可以在计算机跑一个脚本,每隔一段时间去获取下,然后存下来,这个时候是存数据库或者存文件呢,或者有什么其他的方法,请大家帮帮忙啊。集思广益啊。
注意数据有:
主机:CPU占用、内存使用、可用磁盘空间、负载、流量
tomcat:吞吐量,堆使用、
mysql
JVMtomcatmysql平台jvm数据库
注意数据有:
主机:CPU占用、内存使用、可用磁盘空间、负载、流量
tomcat:吞吐量,堆使用、
mysql
JVMtomcatmysql平台jvm数据库
class Bytes {
public static String substring(String src, int start_idx, int end_idx){
byte[] b = src.getBytes();
String tgt = "";
for(int i=start_idx; i<=end_idx; i++){
tgt +=(char)b[i];
}
return tgt;
}
}
public class MonitorInfoBean {
/** 线程总数. */
private int totalThread;
/** cpu使用率. */
private double cpuRatio; public int getTotalThread() {
return totalThread;
} public void setTotalThread(int totalThread) {
this.totalThread = totalThread;
} public double getCpuRatio() {
return cpuRatio;
} public void setCpuRatio(double cpuRatio) {
this.cpuRatio = cpuRatio;
}
}
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.util.StringTokenizer;public class CPU {
private static final int CPUTIME = 30; private static final int PERCENT = 100; private static final int FAULTLENGTH = 10; private static String linuxVersion = null; public double getCpuRatio() {
// 操作系统
String osName = System.getProperty("os.name");
double cpuRatio = 0;
if (osName.toLowerCase().startsWith("windows")) {
cpuRatio = this.getCpuRatioForWindows(); } else {
cpuRatio = this.getCpuRateForLinux();
}
return cpuRatio;
} /**
* 获得当前的监控对象.
*
* @return 返回构造好的监控对象
*/
public MonitorInfoBean getMonitorInfoBean() throws Exception { // 操作系统
String osName = System.getProperty("os.name"); // 获得线程总数
ThreadGroup parentThread;
for (parentThread = Thread.currentThread().getThreadGroup(); parentThread
.getParent() != null; parentThread = parentThread.getParent())
;
int totalThread = parentThread.activeCount(); double cpuRatio = 0;
if (osName.toLowerCase().startsWith("windows")) {
cpuRatio = this.getCpuRatioForWindows();
} else {
cpuRatio = this.getCpuRateForLinux();
} // 构造返回对象
MonitorInfoBean infoBean = new MonitorInfoBean();
infoBean.setTotalThread(totalThread);
infoBean.setCpuRatio(cpuRatio);
return infoBean;
} private static double getCpuRateForLinux() {
InputStream is = null;
InputStreamReader isr = null;
BufferedReader brStat = null;
StringTokenizer tokenStat = null;
try {
System.out.println("Get usage rate of CUP , linux version: "
+ linuxVersion); Process process = Runtime.getRuntime().exec("top -b -n 1");
is = process.getInputStream();
isr = new InputStreamReader(is);
brStat = new BufferedReader(isr); if (linuxVersion.equals("2.4")) {
brStat.readLine();
brStat.readLine();
brStat.readLine();
brStat.readLine(); tokenStat = new StringTokenizer(brStat.readLine());
tokenStat.nextToken();
tokenStat.nextToken();
String user = tokenStat.nextToken();
tokenStat.nextToken();
String system = tokenStat.nextToken();
tokenStat.nextToken();
String nice = tokenStat.nextToken(); System.out.println(user + " , " + system + " , " + nice); user = user.substring(0, user.indexOf("%"));
system = system.substring(0, system.indexOf("%"));
nice = nice.substring(0, nice.indexOf("%")); float userUsage = new Float(user).floatValue();
float systemUsage = new Float(system).floatValue();
float niceUsage = new Float(nice).floatValue(); return (userUsage + systemUsage + niceUsage) / 100;
} else {
brStat.readLine();
brStat.readLine(); tokenStat = new StringTokenizer(brStat.readLine());
tokenStat.nextToken();
tokenStat.nextToken();
tokenStat.nextToken();
tokenStat.nextToken();
tokenStat.nextToken();
tokenStat.nextToken();
tokenStat.nextToken();
String cpuUsage = tokenStat.nextToken(); System.out.println("CPU idle : " + cpuUsage);
Float usage = new Float(cpuUsage.substring(0, cpuUsage
.indexOf("%"))); return (1 - usage.floatValue() / 100);
} } catch (IOException ioe) {
System.out.println(ioe.getMessage());
freeResource(is, isr, brStat);
return 1;
} finally {
freeResource(is, isr, brStat);
} } private static void freeResource(InputStream is, InputStreamReader isr,
BufferedReader br) {
try {
if (is != null)
is.close();
if (isr != null)
isr.close();
if (br != null)
br.close();
} catch (IOException ioe) {
System.out.println(ioe.getMessage());
}
} /**
* 获得CPU使用率.
*
* @return 返回cpu使用率
*/
private double getCpuRatioForWindows() {
try {
String procCmd = System.getenv("windir")
+ "\\system32\\wbem\\wmic.exe process get Caption,CommandLine,"
+ "KernelModeTime,ReadOperationCount,ThreadCount,UserModeTime,WriteOperationCount";
// 取进程信息
long[] c0 = readCpu(Runtime.getRuntime().exec(procCmd));
Thread.sleep(CPUTIME);
long[] c1 = readCpu(Runtime.getRuntime().exec(procCmd));
if (c0 != null && c1 != null) {
long idletime = c1[0] - c0[0];
long busytime = c1[1] - c0[1];
return Double.valueOf(
PERCENT * (busytime) / (busytime + idletime))
.doubleValue();
} else {
return 0.0;
}
} catch (Exception ex) {
ex.printStackTrace();
return 0.0;
}
} /**
*
* 读取CPU信息.
*
* @param proc
*/
private long[] readCpu(final Process proc) {
long[] retn = new long[2];
try {
proc.getOutputStream().close();
InputStreamReader ir = new InputStreamReader(proc.getInputStream());
LineNumberReader input = new LineNumberReader(ir);
String line = input.readLine();
if (line == null || line.length() < FAULTLENGTH) {
return null;
}
int capidx = line.indexOf("Caption");
int cmdidx = line.indexOf("CommandLine");
int rocidx = line.indexOf("ReadOperationCount");
int umtidx = line.indexOf("UserModeTime");
int kmtidx = line.indexOf("KernelModeTime");
int wocidx = line.indexOf("WriteOperationCount");
long idletime = 0;
long kneltime = 0;
long usertime = 0;
while ((line = input.readLine()) != null) {
if (line.length() < wocidx) {
continue;
}
String caption = Bytes.substring(line, capidx, cmdidx - 1)
.trim();
String cmd = Bytes.substring(line, cmdidx, kmtidx - 1).trim();
if (cmd.indexOf("wmic.exe") >= 0) {
continue;
}
if (caption.equals("System Idle Process")
|| caption.equals("System")) {
idletime += Long.valueOf(
Bytes.substring(line, kmtidx, rocidx - 1).trim())
.longValue();
idletime += Long.valueOf(
Bytes.substring(line, umtidx, wocidx - 1).trim())
.longValue();
continue;
} kneltime += Long.valueOf(
Bytes.substring(line, kmtidx, rocidx - 1).trim())
.longValue();
usertime += Long.valueOf(
Bytes.substring(line, umtidx, wocidx - 1).trim())
.longValue();
}
retn[0] = idletime;
retn[1] = kneltime + usertime;
return retn;
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
proc.getInputStream().close();
} catch (Exception e) {
e.printStackTrace();
}
}
return null;
} public static void main(String[] args) throws Exception {
CPU c = new CPU();
System.out.println("cpu占有率1=" + c.getCpuRatio());
System.out.println("cpu占有率2=" + c.getCpuRatioForWindows());
}
}