The train adjustment requirements shall be based on the design and maintenance of the connection and distribution system

Time:2021-8-16

You can use the product every day? Br > card type:? a href=” https://link.segmentfault.com/?url=https%3A%2F%2Fbugstack.cn ” rel=”nofollow”> https://bugstack.cn

No, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no/ blockquote>

One or more phone calls:/ h2>

And mobile, the system on the rear cable will be 8 OK:/ Code > the length of the tan rule, and then it is assigned to the center of the board power supply х The associate of the team is an associate of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team, to report the system's problems and solve the problem of the problem of the system's problems, to solve the problem of the team of the team of the people's Association, the team of the team of the people's Association, the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team of the team, the team of the team of the team of the team of the team, the team of the team of the team of the team of the team of the team of the team of the team, the team of the team of the team of the team of the team of the team of the team press yes to find out the system, and then it is the system For example: ч After reading the information and reconfiguring the system, the system can be used as a backup in the security board. However, the system is applicable to the following aspects, because there is no control х The system does not support flow у This is because of the problem in the process. According to the date of the special film, it is only possible to display and mark the image/ Code > generate a dashboard summary report, do not post the dashboard/ EM > right hand brake, and allow all the systems to operate and control у Lever out/ p> If the footnotes on the address sheet are pulled, the new rules will not be released at one time? Strong > the information will be collected in the system after it is recorded on the coding code in one way, and then it will be recorded in the system for control ч〉 No. 1 water outlet ч〉 In the room, there is no electricity? Ecarts: these columns are displayed later, and the visual function is used for viewing/ p> These codes can't be operated automatically. These codes are not or can't be used to search the internal air of special codes. Please refer to the following table again. These codes can be used to remove the specified drugs т Not me? EM > the vendor's rack requires a monitoring system and a coding system, which is not a standard, but a legal condition for adjustment. It is a document, which is based on the summary report of the assembly board/ Li > the other system is the same ǔ The operation can be carried out according to the actual operation conditions, including the adjustment of power consumption, possible power rate, product duration and service meter ц If there is any problem in the system due to the failure of any one of the items marked in the specification, it is possible to reduce the cost to the other party ц The input number, output number, and general information (if available) during the operation and export include various items of VM, edits, and ysql as appropriate ц It can be marked to avoid problems due to fixed location/ p> The following is the processing method for the handling of these standards, and it is stipulated that the legal treatment is a manual process, for example:/ p> The details of the management form will be edited in the new document and saved ц When doing this, you can enter the number and information, but the editing of the sample will take more than ten days э Therefore, it is necessary to edit the rules and regulations every day, and the system may be in a certain state of the system? The EM > is an important part of an em that is going to be a process that is going to be a process that is going to be a process that is going to be a process that is going to be a process that is going to be a process that is going to be a process that is going to be a process that is going to be a process that is going to be a process that is going to be a process that is going to be a process that is going to be a process that is going to be a process that is going to be a process, and it's going to be a process that requires a digital code. However, a national code code is required. The code code is required. If the effective start-up is open o, the effective start-up is open. O, the organization is open o, and the new one, and the new one, the new one, the new one, the new one, the new one, the new one, the new one, the new one, the hydrogen one, the one, the one, the one, the one, the one, the one, the one, the one, the one, cost is not acceptable/ Li > Li > it's all about bringing people together to talk to these people. The social belt for these people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people who are the people. Li > Li > Li > the social belt with the people who are the people who are the people who are the people who are the people who are the people. The social belt belt belt. The social belt belt belt belt belt belt belt is a new rule. For example, for example, the oogle dapper, ipkin, and ipkin's flexible options can mutually create a new system system with an eye belt system. It's system system. It's a great difference. It's a great difference between v. formula for addition of non-linear electric field codes The system will be divided into several parts and run separately/ Li > OK, this document will be sent to you у The terms and conditions of the contract are not the same as those of the other parties х The system is responsible for operating the specified system/ p> What's the matter with you/ H2 > this document will? AOP, field code frame (ASM)? Code > javassist? code>Byte-Buddy)Then, it is divided into different specific codes. If the following process results are adjusted, for example:

MonitorDesign
Cn bugstack middleware AOP
Cn bugstack middleware ASM
Cn bugstack middleware bytebuddy
Cn bugstack middleware javassist
Cn bugstack middleware test
"POM. XML"
  • Power code address:? a href=” https://link.segmentfault.com/?url=https%3A%2F%2Fgithub.com%2Ffuzhengwei%2FMonitorDesign ” rel=”nofollow”> https://github.com/fuzhengwei/MonitorDesign
  • Bill of lading group AOP, group SM, ytebuddy, avassist, which are different from each other in terms of power supply, is a single party? Springboot’s click procedure/ li>
  • Technical software (springboot, SM, byte buddy, avassist)

cn-bugstack-middleware-test

@RestController
public class UserController {

    private Logger logger = LoggerFactory.getLogger(UserController.class);

    /**
     *Test: ttp://localhost:8081/api/queryUserInfo?userId=aaa
     */
    @RequestMapping(path = "/api/queryUserInfo", method = RequestMethod.GET)
    public UserInfo queryUserInfo(@RequestParam String userId) {
        Logger.info ("user account information (serid:}"), userid);
        Return new userinfo ("user ID:" + userid, 19, "the number of hours in the day's contact zone? 4-0000");
    }

}
  • The name of the control panel is fixed by the supervision code, which may cause the supervisionUserController#queryUserInfoAccording to the prescription law and regulations of the company, it can be seen that the product can be similar to the operation/ li>

(I) legal representative:? AOP hydrogen recovery monitor

1. Completed

cn-bugstack-middleware-aop
"SRC"
    Main
    Beryllium? [HW] Java
    Beryllium? Cn.bugstack.middleware.monitor
    Beryllium? Beryllium? Annotation
    Beryllium? Beryllium? Beryllium? Domonitor.java
    Beryllium? Beryllium? Configuration of storage
    Beryllium? Beryllium? Beryllium? Monitor autoconfigure.java
    Beryllium? Beryllium? Dojoinpoint.java
    Beryllium? Euro resources
    Beryllium? Euro meta-inf 
    Beryllium? Spring.factories
    "Test" test
        [HW] Java
            [HW] cn.bugstack.middleware.monitor.test
                Apitest.java

Based on the existing control of AOP х In the system, the edited procedures are not duplicated, and the key point is located at the opposite side of the room В And operation (if necessary, press? There is a new supplier in springboot/ p>

  • Domonitor, is a set-up method В . effective use is the prescription that needs to be obtained in the place ф Connect D and add this method В And configure the necessary information/ li>
  • Monitorautoconfigure, which is configured to be an option for springboot YML files, can process the following:? Operation of the bean/ li>
  • Dojoinpoint, which is the standard division of the data, is responsible for adding the legal system to all departments in the plan В The prescription method is completed or edited and processed/ li>

2. Specify the monitoring method В

cn.bugstack.middleware.monitor.annotation.DoMonitor

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface DoMonitor {

   String key() default "";
   String desc() default "";

}
  • @Retention (retentionpolicy. Runtime):? code>Annotations are to be recorded in the class file by the compiler and retained by the VM at run time, so they may be read reflectively.
  • @Retention is the method of retention В (3) there is one input number on each of these information i#s pages?RetentionPolicy.RUNTIMESelect one of these columns to scan in the open section of the tableAnnotations are to be recorded in the class file by the compiler and retained by the VM at run time, so they may be read reflectively.The purpose of the request is to add these methods В When the VM is in operation, the information can be transferred to the court by mutual communication when the law of the party is not adjusted В To protect information, delete the content, and the retentionpolicy has a request?SOURCEWhat? Code > class, and other codes code > code > code > class, code code code > class, and code code > class, code code > class, and other codes, code code > code > code > code > class code > class, code code code, and other codes, which are among the four things that make it so much easier for women, women, women, and women, and other people, such as code code code > code > code > class code > class code > code > code > class code > class code > class files – > internal storage lists, and their effectiveness is so that the last key is the first key in the village. The first key is the first key in the village. The first key. They are the first key. They are the first key. They are the first key. It’s a great general thing, this is a great general. This is a great book. This is a general. This is a great book. The internal code code code file file file file file file file file file file file is a file file file file file file file. Class file – > internal storage list list list is a list, and the effect is a(required)? Retentionpolicy.runtime license/ li>
  • @Target development is the law that governs the operation of fuel standards В Rough О It will be a fixed name:? Strong > the target will be or will not be defined? The dowhitelist needs to be placed on the ground and connected to the ground? EM > where? JDK1.8? ElementType provides 10 items in four categories: type, field, ethod, parameter, constructor, local_ Variable, nnotation_ Type, ackage, type_ Parameter, type_ Use: it can be set according to the defined conditions
  • Customize the [email protected] Domonitor provides data control х Key and? Desc describes that these individuals need to record the unique configuration and control of the new regulations ф Party A’s legal signature/ li>

3. Specify the return route

cn.bugstack.middleware.monitor.DoJoinPoint

@Aspect
public class DoJoinPoint {

    @Pointcut("@annotation(cn.bugstack.middleware.monitor.annotation.DoMonitor)")
    public void aopPoint() {
    }

    @Around("aopPoint() && @annotation(doMonitor)")
    public Object doRouter(ProceedingJoinPoint jp, DoMonitor doMonitor) throws Throwable {
        long start = System.currentTimeMillis();
        Method method = getMethod(jp);
        try {
            return jp.proceed();
        } finally {
            System.out.println ("monitoring - begin by AOP");
            System. Out. Println ("item search")+ doMonitor.key());
            System. Out. Println ("Monitoring Protocol"):+ doMonitor.desc());
            System. Out. Println ("new name" О What+ method.getName());
            System. Out. Println ("when new code is entered):( System.currentTimeMillis() - start) + "ms");
            System. Out. Println ("monitor - end \ R \ n");
        }
    }

    private Method getMethod(JoinPoint jp) throws NoSuchMethodException {
        Signature sig = jp.getSignature();
        MethodSignature methodSignature = (MethodSignature) sig;
        return jp.getTarget().getClass().getMethod(methodSignature.getName(), methodSignature.getParameterTypes());
    }

}
  • Use the law В @ Aspect, which is a non common method of searching and defining/ li>
  • @Pointcut("@annotation(cn.bugstack.middleware.monitor.annotation.DoMonitor)")Providing that the shackles, which are widely effective in providing a convenient way for the four corners of the country and the world of the world and the world of the world and the country, the toner toner, as the second party of the Republic of China, should be defined as the first name of the law of each party, the reason why the shackles are widely effective in the point cut, which provides the way in the point cut and provides the way in which the point cut and the point cut and the way in which the point cut and the point cut and the way in which the point cut provides the way in the point cut and the point cut and the way in the point cut and the way in the point cut, the shackles are widely effective. The shackles, the toner tonetoner toner toner, the toner, the toner, the second party’s business, the chain, which defines the name of the name of the law of each party, the nature, the nature of the nature, the nature of the diversity, the way, the way, the spinning, the way, the spinning, the spinning, the spinning, the spinning in the middle of the room, there is no law В With the new manual, you can add the operating power of the cushion to the rear service system/ li>
  • @Around("aopPoint() && @annotation(doMonitor)")(2) it is possible to use this method to solve the problem of the increase of the two parties В The effective structure of is to add a fixed law every time you adjust the power В @ The prescription law of dommonitor is the time when the law of the dommonitor is coming, and it’s the time when the law of the dommonimonitor is the way to the new rules that make the way for the way to the way to the way to the way to the way to the way to the way to the way to the way to the way to the way to the way to the way things things things things things things things things things things things things things things things like the way things things things things things things things things things things things things things things things like the way things things things things things things like the way things things like the way things things things like the way things things like the way things things things like the way things things like the way things things like the way things things things like the way things like the way things things things like the way things things things like the way things like the way things things things things like the way things things things are like the way things things things are like the way things things things things things things things things things things things things things things things things things things things things things things things things things things things things things things things things things things to beat у And time (printed)/ li>
  • AfterdoRouterHow to use the technical methods in the new place?jp.proceed();Usetry finallyAfter the patient is installed, print the relevant controls т Information about these power controls т Once the information is enabled, it can be sent to the service center through the prescription of step-by-step information, which will be processed and authorized by the server ф Data acquisition and processing to control ч〉 Floor/ li>

4. The area is divided into three areas

cn.bugstack.middleware.monitor.config.MonitorAutoConfigure

@Configuration
public class MonitorAutoConfigure {

    @Bean
    @ConditionalOnMissingBean
    public DoJoinPoint point(){
        return new DoJoinPoint();
    }

}
  • @Configuration (optional) is a group O, where? When springboot starts, bean files can only be loaded and exported? EM > cause @ configuration error В Select [email protected] Component Ping В
  • Monitorautoconfigure can process the configuration information that is customized in YML, or it can be generated from the following areas? Bean reconciliation, if dojoinpoint is returned in the closing or closing case/ li>

5. Operation test

5.1 enter POM configuration

<!--  Monitor new (OP -- >
<dependency>
    <groupId>cn.bugstack.middleware</groupId>
    <artifactId>cn-bugstack-middleware-aop</artifactId>
    <version>1.0-SNAPSHOT</version>
</dependency>

5.2 Party B’s allocation of control points ф Open/ h4>

@Domonitor (key = "CN. Bugstack. Middleware. Usercontroller. Queryuserinfo", desc = "user account information")
@RequestMapping(path = "/api/queryUserInfo", method = RequestMethod.GET)
public UserInfo queryUserInfo(@RequestParam String userId) {
    Logger.info ("user account information (serid:}"), userid);
    Return new userinfo ("user ID:" + userid, 19, "the number of hours in the day's contact zone? 4-0000");
}
  • When you click the open asset in POM, you can select any method you want В 嫤嫤嫤洃嫤嫣嫤嫣嫣洃洃 т Information:/ li>

5.3 test results

2021-07-04 23:21:10.710 info 19376 -- [nio-8081-exec-1] c.b.m.test.interfaces.usercontroller: specify the information of the electric brush (serid): AA
Monitor - begin by AOP
Item search (n.bugstack.middleware.usercontroller.queryuserinfo)
To view user information? New name О Age: ueryuserinfo
In case of new regulations:? ms
Monitor - end
  • By starting the springboot program, open the URL address in the address:? code> http://localhost:8081/api/queryUserInfo?userId=aaa (2) it is possible to print the brake pedal only after the brake pedal has been used for a long time/ li>
  • By using the new configuration defined by the user, you can find out the specific editing environment, such as adding methods to the new configuration В (2) it is also the one that needs to be fixed/ li>

Section 31. Terms. We’re going to start our company. The conversation from the beginning of our company’s opening ceremony. It’s about what’s going on with the opening of the company’s company. The opening of the opening of the company’s company. We’re going to talk about what’s going on. The beginning of our company’s opening ceremony. The team’s conversation is going to talk about what’s going on. It’s about what’s going on. It’s related to what’s going on with the introduction of the Chinese character code, the opening of the code code, the plug-in, the new rose spinning that’s coming into the electricity, the new way of entering the mains, the entering into the electrical power, the article of speech system, the article about the belt of a business system system program, what’s going on, what’s going system program, and what’s going on about what’s going on, what’s going on, the social groups that are going on with the common usage of the common usage with the opening up of the speech code, the common connect to the following or separate categories to determine whether they are integrated/ strong>

Figure 1. SM

ASM is a software? Java list adjustment and operation control ф The effective function of the dialog box is to enable the SM to be connected with each other through the functions of the generator, cable or patient х Birth process? Class files can also be loaded into java files, and changes can be made automatically before they are loaded into java files. AVA classes are saved in a specified format Class file, which contains the relevant data of all elements in the file to find out the names and legal properties of all elements in the file т Mutual number? Java translation list (protected by paper files). After SM is corrupted by the toner information in the file, it can be changed quickly (and the information can be saved), so it can be renewed at the expense of users/ blockquote>

1. One request/ h3>

cn.bugstack.middleware.monitor.test.ApiTest

private static byte[] generate() {
    ClassWriter classWriter = new ClassWriter(0);
    //It specifies the authorization port for the license number, full name, and signature of the operating version
    classWriter.visit(Opcodes.V1_7, Opcodes.ACC_PUBLIC, "cn/bugstack/demo/asm/AsmHelloWorld", null, "java/lang/Object", null);
    //To add a new rule (4) name, method, search, signature and password? MethodVisitor methodVisitor = classWriter.visitMethod(Opcodes.ACC_ PUBLIC + Opcodes.ACC_ STATIC, "main", "([Ljava/lang/String;) V", null, null);
    //Gallium ц To make a backup, to get the right attributes? methodVisitor.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
    //Load constant
    methodVisitor.visitLdcInsn("Hello World ASM!");
    //Use new rules
    methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
    //Return
    methodVisitor.visitInsn(Opcodes.RETURN);
    //Set the time of operation and the number of changes у Plutonium
    methodVisitor.visitMaxs(2, 1);
    //New end result
    methodVisitor.visitEnd();
    //What are you doing? classWriter.visitEnd();
    //Generating a list adjustment group
    return classWriter.toByteArray();
}
  • The code in this field will be based on the ASM number? HelloWorld, the following adjustment procedures include the following:? Classwriter. It is required to set the name of the user, the name of the user, the name of the user, and the address of the user. It is also required to be the address of the user? code>public class HelloWorld
  • Type of tip

    |Java type and Java type|
    | :——— | :——————- |
    | boolean | Z |
    | char | C |
    | byte | B |
    | short | S |
    | int | I |
    | float | F |
    | long | J |
    | double | D |
    | Object | Ljava/lang/Object; |
    | int[] | [I |
    | Object[][] | [[Ljava/lang/Object; |

  • New agreement details

    |The recipe in the source document is 0 yes| New agreement|
    | :———————– | :———————- |
    | void m(int i, float f) | (IF)V |
    | int m(Object o) | (Ljava/lang/Object;)I |
    | int[] m(int i, String s) | (ILjava/lang/String;)[I |
    | Object m(int[] i) | ([I)Ljava/lang/Object; |

  • Gallium ц To make a backup, to get the right attributes с The prerequisite is to locate system.out
  • Load constant to export my HelloWorldmethodVisitor.visitLdcInsn("Hello World");
  • After that, it is the time to print out the new rules and set the air. At the same time, it is necessary to set the number of operation symbols and the change of air temperature у Plutonium/ li>
  • This prints a?HelloWorldYes, it can’t be modified. Therefore, you may need to get the editing instruction right after the sentence э No, no, No В , no, you can install one? ASM location? ASM bytecode outline in idea can be added to view the code of the next time? How to process the prescription agreement of ASM/ li>
  • The result of the request for this field code can be found on the screen, and it is required to be either active or active? Class file and export?Hello World ASM!Results/ li>

2. The project has been completed

cn-bugstack-middleware-asm
"SRC"
    Main
    Beryllium? Beryllium deposit
    Beryllium? Beryllium? [HW] cn.bugstack.middleware.monitor
    Beryllium? Beryllium? Configuration of storage
    Beryllium? Beryllium? Beryllium? Methodinfo.java
    Beryllium? Beryllium? Beryllium? Profileingfilter.java
    Beryllium? Beryllium? Probe
    Beryllium? Beryllium? Beryllium? Profileaspect.java
    Beryllium? Beryllium? Beryllium? Profilingclassadapter.java
    Beryllium? Beryllium? Beryllium? Profilingmethodvisitor.java
    Beryllium? Beryllium? Beryllium? Profilengtransformer.java
    Beryllium? Beryllium? Pre main.java
    Beryllium? Euro resources    
    Beryllium? Euro meta_ INF
    Beryllium? "Manifest.mf"
    "Test" test
        [HW] Java
            [HW] cn.bugstack.middleware.monitor.test
                Apitest.java

From the previous process, it is a software? The ASM box rack system can increase its operation, but it will edit the relevant information before and after the completion of the box rack, which will not be included in the set-up process? When the Java program starts, it is processed in javaagent#premain/ p>

  • Methodinfo is a method defined by the name of the party, the name of the party, the information to be scanned, the information to be entered and the information to be sent out/ li>
  • Profilingfilter is enabled х The configuration information of is required to include the following methods: main, ashcode, avax / code/ li>
  • Profilingaspect, profilingclassadapter, profilingmethodvisitor, and profilingtransformer, all of these require the completion of list adjustment, operation and output of monitoring results/ li>
  • Premain provider? The input number o of the javaagent and the JVM number will be adjusted on the test ground? Premain new/ li>
  • Manifest.mf is the configuration information, which is? Premain-ClassPremain-Class: cn.bugstack.middleware.monitor.PreMain

3. Item input number/ h3>

cn.bugstack.middleware.monitor.PreMain

public class PreMain {

    //The JVM shall conduct the test in the following way:? public static void premain(String agentArgs, Instrumentation inst) {
        inst.addTransformer(new ProfilingTransformer());
    }

    //If you g process the new information in all areas, the patient:? The JVM will automatically adjust the power supply
    public static void premain(String agentArgs) {
    }

}
  • Is this true? The fixed port of javaagent requires configuration of these paths? Manifest.mf/ li>

4. List adjustment method and processing/ h3>

cn.bugstack.middleware.monitor.probe.ProfilingTransformer

public class ProfilingTransformer implements ClassFileTransformer {

    @Override
    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {
        try {
            if (ProfilingFilter.isNotNeedInject(className)) {
                return classfileBuffer;
            }
            return getBytes(loader, className, classfileBuffer);
        } catch (Throwable e) {
            System.out.println(e.getMessage());
        }
        return classfileBuffer;
    }

    private byte[] getBytes(ClassLoader loader, String className, byte[] classfileBuffer) {
        ClassReader cr = new ClassReader(classfileBuffer);
        ClassWriter cw = new ClassWriter(cr, ClassWriter.COMPUTE_MAXS);
        ClassVisitor cv = new ProfilingClassAdapter(cw, className);
        cr.accept(cv, ClassReader.EXPAND_FRAMES);
        return cw.toByteArray();
    }

}
  • Using ASM standard? Classreader, lasswriter, lassvisitor, handles the loading machine and the name field code, which are responsible for the increase operation of the list adjustment/ li>
  • The main thing to do is? The operation of ASM includes: lassreader, lasswriter, lassvisitor, and other documents related to the field coding processASM, avassist, yte-bu serial renewal

5. Train adjustment method В Stand/ h3>

cn.bugstack.middleware.monitor.probe.ProfilingMethodVisitor

public class ProfilingMethodVisitor extends AdviceAdapter {

    private List<String> parameterTypeList = new ArrayList<>();
    private int parameterTypeCount = 0;     //  If there is only one number
    private int startTimeIdentifier;        //  Mark the start-up time
    private int parameterIdentifier;        //  Internal tagging
    private int methodId = -1;              //  The new flag is a unique flag
    private int currentLocal = 0;           //  The current screen changes? private final boolean isStaticMethod;   //  True: filter method, false: filter is not Party B's method? private final String className;

    protected ProfilingMethodVisitor(int access, String methodName, String desc, MethodVisitor mv, String className, String fullClassName, String simpleClassName) {
        super(ASM5, mv, access, methodName, desc);
        this.className = className;
        //This is the first entry number, and the first entry number? isStaticMethod = 0 != ( access & ACC_ STATIC);
        //(String var1,Object var2,String var3,int var4,long var5,int[] var6,Object[][] var7,Req var8)=="(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/String;IJ[I[[Ljava/lang/Object;Lorg/itstack/test/Req;)V"
        Matcher matcher = Pattern.compile("(L.*?;|\\[{0,2}L.*?;|[ZCBSIFJD]|\\[{0,2}[ZCBSIFJD]{1})").matcher(desc.substring(0, desc.lastIndexOf(')') + 1));
        while (matcher.find()) {
            parameterTypeList.add(matcher.group(1));
        }
        parameterTypeCount = parameterTypeList.size();
        methodId = ProfilingAspect.generateMethodId(new MethodInfo(fullClassName, simpleClassName, methodName, desc, parameterTypeList, desc.substring(desc.lastIndexOf(')') + 1)));
    }     

    //... to create a field code insertion operation 
}
  • When each step of the process is added to the wheel, each method of each step may be named as the appropriate method О . the method of entering and exiting the applicable agreement may be set at this time/ li>
  • You can then continue to control у Processing is not sufficient for each functional reason. There are two types of information (all types of information) ц In general, these two methods can be used to provide a single safety valve for each new vehicle?id(2) through theseidYou will be able to find the appropriate prescription/ li>
  • If the input number and output number of these new regulations are scanned, it will result in a certain amount of damage(II)Ljava/lang/String;(I will continue to verify the data from the center, and the patient needs to complete this field as follows C)/ li>

6. Operation test

6.1 configuring VM number javaagent

-javaagent:E:\itstack\git\github.com\MonitorDesign\cn-bugstack-middleware-asm\target\cn-bugstack-middleware-asm.jar
  • When idea is running, it is configured toVM optionsFor example, the jar auxiliary floor area is configured according to the specific layout/ li>

6.2 test results

Monitor - begin by ASM
New specification: n.bugstack.middleware.test.interfaces.usercontroller $$enhancerbyspringcglib $$8f5a18ca.queryuserinfo
Related (all related types) (ljava / Lang / string;)] Total [number (AAA)]
Output: CN / bugstack / Middleware / test / interfaces / dto / userinfo; Exit address: "address": the address of the primary department in the "daily contact belt"? 4-0000 "," age ": 19," code ":" 0000 "," info ":" success "," name ":" Plutonium: AAA "}
When:? 4(s)
Monitor - end
  • The result of the operation request can be obtained by? After ASM monitoring, the coding will not be necessary? AOP’s prescription can be adjusted according to the rules when operating in the code, including the type, input number and output information/ li>
  • It’s possible for us to have an ASM operational front with an ASM operational front by defining the details, so that the ASM operational front, which is becoming more and more heated, and the reason is that the ASM operational front, which is an ASM operational front, is an ASM operational front, is an ASM operational front, is an ASM operational front, which is likely to become an ASM operational front, which is likely to lead to an ASM operational front, which is becoming more and more heated, which is becoming more and more heated, which is a red hot and hot, and it is also an editing and editing document that is an important thing for creating an ASM, an ASM, an individual, an individual, and an individual. This is the reason. Therefore, it makes it possible to solve the problem. This reason. It is an absolute right. It is an absolute right. It is an absolute right. It is an absolute right. It is for me to be self-centered. We can transfer to transfer and transfer to the meeting for the meeting. It will be the meeting. It will be a meeting meeting meeting. It may be a problem. It may be a problem we’re going to create a new one? The components found by ASM can also complete the functions of the same sample/ li>

“Avassist”

Javassist is a storehouse that can open the power cord, edit and create Java lists. If it is Shigeru Chiba, who is involved in the calculation and management of Java lists in the company, it can be called Shigeru Chiba? The newly created effect has been added with the JBoss application server code item, and the boss is enabled to operate by using the javassist key field? AOP box/ blockquote>

1. One request/ h3>

cn.bugstack.middleware.monitor.test.ApiTest

public class ApiTest {

    public static void main(String[] args) throws Exception {
        ClassPool pool = ClassPool.getDefault();

        CtClass ctClass = pool.makeClass("cn.bugstack.middleware.javassist.MathUtil");

        //Return у Field name? Ctfield ctfield = new ctfield (ctclass.doubletype, "蟮", ctclass);
        ctField.setModifiers(Modifier.PRIVATE + Modifier.STATIC + Modifier.FINAL);
        ctClass.addField(ctField, "3.14");

        //New requirements: Location? CtMethod calculateCircularArea = new CtMethod(CtClass.doubleType, "calculateCircularArea", new CtClass[]{CtClass.doubleType}, ctClass);
        calculateCircularArea.setModifiers(Modifier.PUBLIC);
        Calculatecirculararea. Setbody ("{return '* $1 * $1;}");
        ctClass.addMethod(calculateCircularArea);

        //New regulations (IV) and? CtMethod sumOfTwoNumbers = new CtMethod(pool.get(Double.class.getName()), "sumOfTwoNumbers", new CtClass[]{CtClass.doubleType, CtClass.doubleType}, ctClass);
        sumOfTwoNumbers.setModifiers(Modifier.PUBLIC);
        sumOfTwoNumbers.setBody("{return Double.valueOf($1 + $2);}");
        ctClass.addMethod(sumOfTwoNumbers);
        //Print out the contents of the document
        ctClass.writeFile();

        //Service test
        Class clazz = ctClass.toClass();
        Object obj = clazz.newInstance();

        Method method_calculateCircularArea = clazz.getDeclaredMethod("calculateCircularArea", double.class);
        Object obj_01 = method_calculateCircularArea.invoke(obj, 1.23);
        System. Out. Println ("address" + obj_ 01);

        Method method_sumOfTwoNumbers = clazz.getDeclaredMethod("sumOfTwoNumbers", double.class, double.class);
        Object obj_02 = method_sumOfTwoNumbers.invoke(obj, 1, 2);
        System. Out. Println ("count and count" + obj_ 02);
    }

}
  • This is a single phone? Javassist’s requirements for location, technology and methods, as well as the process of operating the results, can be viewed as javassist’s main business? Use of classpool, Tclass, tfield, tmethod/ li>
  • The test results shall include the results that will produce or a set of fixed assetscn.bugstack.middleware.javassist.MathUtil(2) the contract will be signed at the beginning of the contract у Copy and export the results/ li>

Generated

public class MathUtil {
  Private static final double 蟮 = 3.14d;

  public double calculateCircularArea(double var1) {
      return 3.14D * var1 * var1;
  }

  public Double sumOfTwoNumbers(double var1, double var3) {
      return var1 + var3;
  }

  public MathUtil() {
  }
}

Test results

At 4.750506
Number and number 3.0

Process finished with exit code 0

2. The project has been completed

cn-bugstack-middleware-javassist
"SRC"
    Main
    Beryllium? Beryllium deposit
    Beryllium? Beryllium? [HW] cn.bugstack.middleware.monitor
    Beryllium? Beryllium? Configuration of storage
    Beryllium? Beryllium? Beryllium? Methoddescription.java
    Beryllium? Beryllium? Probe
    Beryllium? Beryllium? Beryllium? Monitor.java
    Beryllium? Beryllium? Beryllium? Click "mymonitortransformer. Java"
    Beryllium? Beryllium? Pre main.java
    Beryllium? Euro resources
    Beryllium? Euro meta_ INF
    Beryllium? "Manifest.mf"
    "Test" test
        [HW] Java
            [HW] cn.bugstack.middleware.monitor.test
                Apitest.java
  • How to use javassist to determine the existing control ф Box frame for viewing, No? The results of ASM are not normally processed by the javassist frame board, which can be used to adjust the operation list of different groups, and the javassist frame board can be used to process the results of each group/ li>

3. New plug-in

cn.bugstack.middleware.monitor.probe.MyMonitorTransformer

public class MyMonitorTransformer implements ClassFileTransformer {

    private static final Set<String> classNameSet = new HashSet<>();

    static {
        classNameSet.add("cn.bugstack.middleware.test.interfaces.UserController");
    }

    @Override
    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) {
        try {
            String currentClassName = className.replaceAll("/", ".");
            if (! Classnameset. Contains (currentclassname)) {// send out the list of contents contained in classnameset? return null;
            }

            //What's the difference? CtClass ctClass = ClassPool.getDefault().get(currentClassName);
            String clazzName = ctClass.getName();

            //To create a new version
            CtMethod ctMethod = ctClass.getDeclaredMethod("queryUserInfo");
            String methodName = ctMethod.getName();

            //New information: ethodinfo. Getdescriptor();
            MethodInfo methodInfo = ctMethod.getMethodInfo();

            //New: enter the information? CodeAttribute codeAttribute = methodInfo.getCodeAttribute();
            LocalVariableAttribute attr = (LocalVariableAttribute) codeAttribute.getAttribute(LocalVariableAttribute.tag);
            CtClass[] parameterTypes = ctMethod.getParameterTypes();

            boolean isStatic = (methodInfo.getAccessFlags() & AccessFlag.STATIC) !=  0;  //  Is there a way to stop? int parameterSize = isStatic ?  attr.tableLength() : attr.tableLength() - 1; //  No disk type? List<String> parameterNameList = new ArrayList<>(parameterSize);            //  Switch on / off О
            List<String> parameterTypeList = new ArrayList<>(parameterSize);            //  Cross type
            StringBuilder parameters = new StringBuilder();                             //  If installed:? 1? 2... What$ You can set up other parts, but you can't put them into a number group

            for (int i = 0; i < parameterSize; i++) {
                parameterNameList.add(attr.variableName(i + (isStatic ?  0 : 1))); //  A number of non his numbers are not assigned to the task type
                parameterTypeList.add(parameterTypes[i].getName());
                if (i + 1 == parameterSize) {
                    parameters.append("$").append(i + 1);
                } else {
                    parameters.append("$").append(i + 1).append(",");
                }
            }

            //New: output information? CtClass returnType = ctMethod.getReturnType();
            String returnTypeName = returnType.getName();

            //Party B: the cost department will support a marked ID
            int idx = Monitor.generateMethodId(clazzName, methodName, parameterNameList, parameterTypeList, returnTypeName);

            //Confirm the connection? ctMethod.addLocalVariable("startNanos", CtClass.longType);
            ctMethod.addLocalVariable("parameterValues", ClassPool.getDefault().get(Object[].class.getName()));

            //Newly added? ctMethod.insertBefore("{ startNanos = System.nanoTime();  parameterValues = new Object[]{" + parameters.toString() + "}; }");

            //Add a new dimension? ctMethod.insertAfter("{ cn.bugstack.middleware.monitor.probe.Monitor.point(" + idx + ", startNanos, parameterValues, $_);}",  false); //  If the return type does not match the device type, click OK$_ To perform type replacement?
            //New: add rycatch
            ctMethod.addCatch("{ cn.bugstack.middleware.monitor.probe.Monitor.point(" + idx + ", $e);  throw $e; }",  ClassPool.getDefault().get("java.lang.Exception"));   //  To add a damage collection

            return ctClass.toBytecode();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

}
  • Juan? The ASM has a direct relationship, and the specific regulatory requirements for the adjustment are technical ones, which are different from the following places/ li>
  • Through the operation of javassist, it is necessary to use one?ClassFileTransformerOf the outlet? Transform new code, and the code is given in the new code and processed accordingly/ li>
  • The process of processing, and the process of making a process process process involves a wide range of things, from being acquired, to being acquired, to being acquired, to being processed, to being a process, to being a process, to being a process, to being a process, to being a process, to being a process, to being a process, to being a process, to being a process, to being a process, to being a process, to being a process, to be a process, to be a process, to be a process, to be a process, to be a process, to be a process, to be a process, to be a process, to be a process, to be a process, to be a process, to be a process, to open a process, to a process, to be a process, to be a process, to be a process, to be a process, to be a process, to be a process, to be a process, to be a process, to be a process, to be a process, a process, to be a process, a process, a process, a process, a process, a process, a process you can also add fax control in the local method т Bluff and €/ li>
  • Return field code informationreturn ctClass.toBytecode();The newly added field code will be added to the processing procedure/ li>

4. Operation test

4.1 configuring VM number javaagent

-javaagent:E:\itstack\git\github.com\MonitorDesign\cn-bugstack-middleware-javassist\target\cn-bugstack-middleware-javassist.jar
  • When idea is running, it is configured toVM optionsFor example, the jar auxiliary floor area is configured according to the specific layout/ li>

4.2 test results

Watch - begin by javassist
New specification: n.bugstack.middleware.test.interfaces.usercontroller $$enhancerbyspringcglib $$8f5a18ca.queryuserinfo
Related (all related types) (ljava / Lang / string;)] Total [number (AAA)]
Output: CN / bugstack / Middleware / test / interfaces / dto / userinfo; Exit address: "address": the address of the primary department in the "daily contact belt"? 4-0000 "," age ": 19," code ":" 0000 "," info ":" success "," name ":" Plutonium: AAA "}
When:? 6(s)
Monitor - end
  • From the result of the request, the valid structure of the event and the ASM code is the same, which can be excluded only х The system is provided with information, but the box frame of these standards will be included in the flow change list, and the regulations will be changed quickly у Copy/ li>

YT buddy

2015? 0, byte buddy is blocked? Oracle failed? Duke’s choice у Yes, yes, yes, yes for byte buddy? The Java Java technology is the most advanced aspect of the three sides of the party with Java Java technology, and the new “new” in the “new” in the “new” in the new “new” in the “new” in the new “new” in the new “new” in the new “new” in the new “new” in the new “new” in the front of the three sides of the party with Java Java Java technology. Java java java java java is a java java java technology, which is the most popular and innovative innovation. Java java java java java is the most important aspect of the three sides of the three sides of the party, which is the most popular and revolutionary, and it also dominates the two governments. The government’s forces, such as YTE buddy buddy, which is the most successful user, mutual benefit, other people, other people, or all chains are Chinese, and if we are Chinese, if we are a Chinese, if we are a Chinese, it will be a big man, it will make a big difference, it will be a big way to make a big difference, and it will be a big difference for both activation of:/ blockquote>

Byte BuddyIt is a single person’s generation and operation, which is located in?JavaChanges and modifications during application operationJavaYou cannot delete the common fields of the air conditioner?JavaThe process of generating electricity in the store:? The code > byte buddy is not limited to the control port that is used when creating the operation, since it has a long-term power supplyByte BuddyProvide API of either party, which may be?JavaChanges are g processed or added in the process of the structure/ p>

  • No processing required В The list of requirements can be adjusted, and the API can be used as the “field code” for operation, including control and method/ li>
  • The AVA 11 has been supported, and the quantity of the warehouse is only based on the access key Pi of the AVA list adjustment code detector and the transfer does not need to change other items/ li>
  • JDK is required to manage glib, avassist and byte buddy ц There can be only one meeting/ li>

1. One request/ h3>

cn.bugstack.middleware.monitor.test.ApiTest

public class ApiTest {

    public static void main(String[] args) throws IllegalAccessException, InstantiationException {
        String helloWorld = new ByteBuddy()
                .subclass(Object.class)
                .method(named("toString"))
                .intercept(FixedValue.value("Hello World!"))
                .make()
                .load(ApiTest.class.getClassLoader())
                .getLoaded()
                .newInstance()
                .toString();

        System.out.println(helloWorld);
    }

}
  • This is a single phone? Generated by bytebuddy“ Hello World!” For example, other operation results are a single resultHello World!The function of adjusting the number of individual screws will be through:method(named("toString"))OK?toStringNew, and then by dragginginterceptTo set the value increase for this new rule? code>FixedValue.value(“Hello World!”) . a new account that has been closed will passByte-buddyAfter that, it is necessary to start the engine and adjust the electrical output/ li>

Test results

Hello World!

Process finished with exit code 0

2. The project has been completed

cn-bugstack-middleware-bytebuddy
"SRC"
    Main
    Beryllium? Beryllium deposit
    Beryllium? Beryllium? [HW] cn.bugstack.middleware.monitor
    Beryllium? Beryllium? Monitor method
    Beryllium? Beryllium? Pre main.java
    Beryllium? Euro resources
    Beryllium? Euro meta_ INF
    Beryllium? "Manifest.mf"
    "Test" test
        [HW] Java
            [HW] cn.bugstack.middleware.monitor.test
                Apitest.java
  • This is one of the most important box structures in our country, and it is a new way to study the operation э In addition, you can add the code in the code section of the main task code selected by each user, and the operation conditions can be listed from the results of the current process and the rules will be simplified according to the code number/ li>

3. New plug-in

cn.bugstack.middleware.monitor.MonitorMethod

public class MonitorMethod {

    @RuntimeType
    public static Object intercept(@Origin Method method, @SuperCall Callable<?> callable, @AllArguments Object[] args) throws Exception {
        long start = System.currentTimeMillis();
        Object resObj = null;
        try {
            resObj = callable.call();
            return resObj;
        } finally {
            System.out.println ("monitoring - begin by byte buddy");
            System. Out. Println ("new name" О What+ method.getName());
            System. Out. Println ("total number):+ method.getParameterCount());
            for (int i = 0; i < method.getParameterCount(); i++) {
                System. Out. Println ("mutual IDX:( I + 1) + type:+ Method. Getparametertypes() [i]. Gettypename() + "internal:+ args[i]);
            }
            System. Out. Println ("output type):+ method.getReturnType().getName());
            System. Out. Println ("output result:+ resObj);
            System. Out. Println ("when new code is entered):( System.currentTimeMillis() - start) + "ms");
            System. Out. Println ("monitor - end \ R \ n");
        }
    }

}
  • @OriginThe samples can be sent to the relevant information in the new specification by any or all methods/ li>
  • This information can be stored automatically, and can be divided into the number and type of data, which can be transmitted to each other in the subsequent processing of the organization. If the data is processed slowly, it will be sent out/ li>

Common law В Description

The attached information of the new party can be sent to the company, and the company provides other information C of the company, such as the following:

Ping В Description
@Argument Set unit number
@AllArguments Set the number group of the selected number
@This The name of the person who is currently being attacked, killed, or killed
@Super The processing device of the current scanned or generated by the drive/ td>
@Origin You can specify the number of types, the number of methods adjusted and the number of constructors adjusted, and the number of methods adjusted? Methodhandle methodtype string adds the value of ostring()? Problems of int method/ td>
@DefaultCall By default, the party will use the non super prescription method/ td>
@SuperCall Based on the formula of the original version/ td>
@Super The type of legal input device can be connected o with each other, and the method of legal input can be adjusted/ td>
@RuntimeType You can provide ytebuddy to use the following types of mobile inspection on the return status/ td>
@Empty Enter the default value of the quantity type/ td>
@StubValue Enter the formula of the amount of money added to the income of a deposit, and enter null to create the type of money added to the income of a deposit?
@FieldValue Enter a field of the scanned or non mapped device/ td>
@Morph It’s called supercall, but it’s set to adjust the power consumption/ td>

Common standard API

  1. ByteBuddy

    • Please enter the new API number G
    • It provides subcategoring / redefining / rebasing new expense list adjustment/ li>
    • All operations can be performed by dynamictype.builder to create a non editable statement
  2. ElementMatchers(ElementMatcher)

    • Provides a list of units to add matched existing components? Named / any / nameendswith
    • Elementmatcher (provides the formula for the type, method, field, and process of authentication? Lingjibang (redicate)
    • Junction performs nd / or operations on the lementmatcher
  3. DynamicType

    (function type)? Start of operation of all field codes? Non return valve (open)

    • The unloaded (added) list adjustment requires that the vehicle be loaded into the specified supply? It is necessary to load the machine?
    • Loaded (after it is loaded into the JVM, it f returns to the “last” status)
    • Default (payment rate of dynamictype)? Completion (related operations)
  4. `Implementation

    (due to the existence of the method provided)

    • Fixedvalue (new value) is used to return the fixed value?
    • Methoddelegation (the new method can be used in general, and supports the new methods: the static method of class and the nstance method of object)
  5. Builder

    (for creating a dynamictype, the relevant control port specifies the details of the patient after it is found.)?

    • MethodDefinition
    • FieldDefinition
    • AbstractBase

4. Configure switch port new

cn.bugstack.middleware.monitor.PreMain

public class PreMain {

    //The JVM shall conduct the test in the following way:? public static void premain(String agentArgs, Instrumentation inst) {
        AgentBuilder.Transformer transformer = (builder, typeDescription, classLoader, javaModule) -> {
            return builder
                    . method (elementmatchers. Named ("queryuserinfo") // drop the protocol
                    .intercept(MethodDelegation.to(MonitorMethod.class)); //  Pu Zhuo
        };

        new AgentBuilder
                .Default()
                . type (elementmatchers. Namestartswith (agentargs)) // specify the required or missing items“ cn.bugstack.demo.test"
                .transform(transformer)
                .installOn(inst);
    }

    //If you g process the new information in all areas, the patient:? The JVM will automatically adjust the power supply
    public static void premain(String agentArgs) {
    }

}
  • The main requirement of the new premain is to use the most popular monitormethod, which will be used at the same time? Method sets the rules of the party or parties, which can be traced to each other/ li>

5. Operation test

5.1 configuring VM number javaagent

-javaagent:E:\itstack\git\github.com\MonitorDesign\cn-bugstack-middleware-bytebuddy\target\cn-bugstack-middleware-bytebuddy.jar
  • When idea is running, it is configured toVM optionsFor example, the jar auxiliary floor area is configured according to the specific layout/ li>

5.2 test results

Monitor - begin by byte buddy
New name О Age: ueryuserinfo
Total number:?
CDX:? Type (in ava.lang.string) (AA)
Output type (n.bugstack.middleware.test.interfaces.dto.userinfo)
Output results: n.bugstack.middleware.test.interfaces.dto. @ 214b199c
In case of new regulations:? ms
Monitor - end
  • Byte buddy is the result of the adjustment procedure described in this manual. The operation of the board needs to be carried out in a timely manner. It is not necessary to adjust the information of the goods. If the adjustment procedure is set as high as possible? AOP is a standard form, which can be used to control the non-governmental activities ч What’s the need/ li>
  • When you use the list adjustment dialog box, you can select the field code box that is also used on the side of byte buddy/ li>

The following results are required:

  • As an ASM, the list of editors in the process of the ASM and the list of ASM, the application of the editing process of the ASM is an application that is not a common draft hoop, and is an application that is not a common draft hoop, and an ASM, and an ASM, and an ASM, and an ASM, which is a list of people with a list of people with a list of people. The application of the process of editing the process of the process of editing the content of the ASM, is an application that is not a popular draft hoop, and is likely to be an area that is not an area that is not seen when people are in the past, and the reason why it is so important that it can be a combination with other box frames and other box frames to combine together with other box frames to form a combination, a pair of business, a pair of business, a support service provider, service service service service service, a demand, and a combination of electricity, a result of electronic imaging, a highly effective image, an effective image, and an effective image, which is an image. This is a combination of image, and a combination later, there are many problems, such as javassit, glib, acoco, etc/ li>
  • To create an assembly in a complete project? Javassist’s non-standard electronic code, which can be increased by using the coded formula and the field code, can also be changed? ASM samples are processed/ li>
  • Byte buddy buddy is a box frame that is a common ground for the parties who are trying to find a common ground. The front line item is a box frame that is a common ground for the parties. It’s the first time that the emerging trend of the item is now, and it’s more than the hoop’s law. The byte buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy buddy is the one that is the one that is the one that is the one that is the one that is the one that is the one that is the one that is the one that is the one that is the one that is the one that is the one that is the one that is the one that is the other and the other that is the one that is the one that is the one that is the one that is the one that is the other that is the one that is the one that is the one that is the one that is the one that is the other that is the one that is the one that is the one to continue, you can specify:? a href=” https://link.segmentfault.com/?url=https%3A%2F%2Fbytebuddy.net%2F%23%2F ” rel=”nofollow”>https://bytebuddy.net(laughing) В Turning onByte BuddyDefinition of/ li>
  • In this section, if all the power codes have been written to ithub:? a href=” https://link.segmentfault.com/?url=https%3A%2F%2Fgithub.com%2Ffuzhengwei%2FMonitorDesign ” rel=”nofollow”> https://github.com/fuzhengwei/MonitorDesign

All fields/ h2>

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