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| @RestController
public class CpuController {
/**
* 死循环
* */
@RequestMapping("/loop")
public List<Long> loop(){
String data = "{\"data\":[{\"partnerid\":]";
return getPartneridsFromJson(data);
}
private Object lock1 = new Object();
private Object lock2 = new Object();
/**
* 死锁
* */
@RequestMapping("/deadlock")
public String deadlock(){
new Thread(()->{
synchronized(lock1) {
try {Thread.sleep(1000);}catch(Exception e) {}
synchronized(lock2) {
System.out.println("Thread1 over");
}
}
}) .start();
new Thread(()->{
synchronized(lock2) {
try {Thread.sleep(1000);}catch(Exception e) {}
synchronized(lock1) {
System.out.println("Thread2 over");
}
}
}) .start();
return "deadlock";
}
public static List<Long> getPartneridsFromJson(String data){
//{\"data\":[{\"partnerid\":982,\"count\":\"10000\",\"cityid\":\"11\"},{\"partnerid\":983,\"count\":\"10000\",\"cityid\":\"11\"},{\"partnerid\":984,\"count\":\"10000\",\"cityid\":\"11\"}]}
//上面是正常的数据
List<Long> list = new ArrayList<Long>(2);
if(data == null || data.length() <= 0){
return list;
}
int datapos = data.indexOf("data");
if(datapos < 0){
return list;
}
int leftBracket = data.indexOf("[",datapos);
int rightBracket= data.indexOf("]",datapos);
if(leftBracket < 0 || rightBracket < 0){
return list;
}
String partners = data.substring(leftBracket+1,rightBracket);
if(partners == null || partners.length() <= 0){
return list;
}
while(partners!=null && partners.length() > 0){
int idpos = partners.indexOf("partnerid");
if(idpos < 0){
break;
}
int colonpos = partners.indexOf(":",idpos);
int commapos = partners.indexOf(",",idpos);
if(colonpos < 0 || commapos < 0){
//partners = partners.substring(idpos+"partnerid".length());//1
continue;
}
String pid = partners.substring(colonpos+1,commapos);
if(pid == null || pid.length() <= 0){
//partners = partners.substring(idpos+"partnerid".length());//2
continue;
}
try{
list.add(Long.parseLong(pid));
}catch(Exception e){
//do nothing
}
partners = partners.substring(commapos);
}
return list;
}
}
|
