CN108964993A - Failure simulation method, device, equipment and readable storage medium storing program for executing based on dynamic proxy - Google Patents
Failure simulation method, device, equipment and readable storage medium storing program for executing based on dynamic proxy Download PDFInfo
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- CN108964993A CN108964993A CN201810700462.2A CN201810700462A CN108964993A CN 108964993 A CN108964993 A CN 108964993A CN 201810700462 A CN201810700462 A CN 201810700462A CN 108964993 A CN108964993 A CN 108964993A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
- H04L43/55—Testing of service level quality, e.g. simulating service usage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Debugging And Monitoring (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
Abstract
The invention discloses a kind of failure simulation methods based on dynamic proxy, comprising: receives the service request that user carries out fault simulation；Judge to service whether be registered agency in service request by searching for service broker's registration table；Wherein, the mapping relations of proxied service, direct fault location code and agent object are stored in service broker's registration table；If so, configuring according to the mapping relations and service request stored in service broker's registration table to proxied service and direct fault location code, agent object is generated；Agent object is called to carry out fault simulation.This method may be implemented to carry out system failure injection when system is run, while the safety of safeguards system；The invention also discloses a kind of failure simulation device based on dynamic proxy, equipment and readable storage medium storing program for executing.
Description
Technical field
The present invention relates to field of system management, in particular to a kind of failure simulation method based on dynamic proxy, is set device
Standby and readable storage medium storing program for executing.
Background technique
With the expansion of software deployment scale, the refinement of the function of system, the degree of coupling and link complexity are continuous between system
Reinforce, in Experience of Software Testing Work, it is often necessary to which simulated failure carrys out the stability of test macro.
Simulated failure is mainly by executing violation operation or addition program breakpoint to system come simulated failure at present.Wherein,
Although violation operation can trigger the system failure, the accuracy of the failure of triggering is difficult to control, is easy to cause not system
Repairable damage, and not all failure can be triggered by some violation operations；By adding program breakpoint
Mode can accurate simulated failure, and system will not be damaged, must be in exploitation environment but add breakpoint
It carries out, it is necessary to have uncompiled source code, in the actually system of deployed operation or uncompiled source code feelings can not be directly acquired
It can not achieve under condition, limitation is stronger, and is at present that the reality completed based on deployment is answered to most of fault simulation of software
Software, this method then can not achieve.
Therefore, how to realize and carry out system failure injection, while the safety of safeguards system in system operation, be ability
Field technique personnel's technical issues that need to address.
Summary of the invention
The object of the present invention is to provide a kind of failure simulation methods based on dynamic proxy, and this method in system by creating
Dynamic proxy is built, direct fault location is carried out based on dynamic proxy, may be implemented smart under the premise of not changing original system structure
Standard controllably carries out fault simulation；It is a further object of the present invention to provide a kind of failure simulation device based on dynamic proxy, set
Standby and readable storage medium storing program for executing.
In order to solve the above technical problems, the present invention provides a kind of failure simulation method based on dynamic proxy, comprising:
Receive the service request that user carries out fault simulation；
Judge service whether be registered agency in the service request by searching for service broker's registration table；Wherein, described
The mapping relations of proxied service, direct fault location code and agent object are stored in service broker's registration table；
If so, according to the mapping relations and the service request stored in service broker's registration table to proxied
Service and direct fault location code are configured, and agent object is generated；
The agent object is called to carry out fault simulation.
Preferably, it is described according to the mapping relations stored in service broker's registration table and the service request to quilt
Agency service and direct fault location code carry out configuration
Generate the corresponding proxied service of the service request；
By script defined in service broker's registration table and direct fault location module by clothes proxied described in direct fault location
Default monitoring point in business.
Preferably, described to generate the corresponding proxied service of the service request and include:
By the original service interface of reflection mechanism far call of Java, proxied service is obtained.
Preferably, the failure simulation method based on dynamic proxy further include:
When serviced in the service request be not registered act on behalf of when, configure the service in the service request.
Preferably, the failure simulation method based on dynamic proxy further include:
The service request of counting user and corresponding fault simulation are as a result, obtain failure logging information.
The present invention discloses a kind of failure simulation device based on dynamic proxy, comprising:
Service request reception unit carries out the service request of fault simulation for receiving user；
Judging unit, for judging service whether be registered generation in the service request by searching for service broker's registration table
Reason；Wherein, the mapping that proxied service, direct fault location code and agent object are stored in service broker's registration table is closed
System；
Agent object configuration unit, if being registered agency for service in the service request, according to the service generation
The mapping relations and the service request stored in reason registration table configure proxied service and direct fault location code,
Generate agent object；
Analogue unit, for calling the agent object to carry out fault simulation.
Preferably, the proxy configurations unit includes:
Agency service generates subelement, for generating the corresponding proxied service of the service request；
Direct fault location subelement, for passing through script defined in service broker's registration table and direct fault location module for failure
Inject the default monitoring point in the proxied service.
Preferably, the agency service generates subelement and is used for: by the original clothes of reflection mechanism far call of Java
Business interface, obtains proxied service.
The present invention discloses a kind of fault simulation equipment based on dynamic proxy, comprising:
Memory, for storing program；
Processor, the step of failure simulation method based on dynamic proxy is realized when for executing described program.
The present invention discloses a kind of readable storage medium storing program for executing, and program is stored on the readable storage medium storing program for executing, and described program is located
Manage the step of realizing the failure simulation method based on dynamic proxy when device executes.
Failure simulation method provided by the present invention based on dynamic proxy, the service for receiving user's progress fault simulation are asked
Ask, service request such as delete unsuccessfully, creation stop etc., service refers to deletion, creation etc. in service request.Service broker's registration table
In be stored with it is proxied service, direct fault location code and agent object mapping relations, according to service broker's registration table judge
It is serviced in service request and whether is registered agency, if so, according to the mapping relations and clothes that are stored in service broker's registration table
Business request configures proxied service and direct fault location code, generates agent object, and agent object is that succession is original
Service logic injects the script of customized fault code, will not be to existed system suitable for the environment of deployed operation
Any change is made, there is very high safety, calling agent object to carry out fault simulation may be implemented at runtime accurately
Carry out system failure injection, while the safety of safeguards system.
The invention also discloses a kind of failure simulation device based on dynamic proxy, equipment and a kind of readable storage medium storing program for executing,
With above-mentioned beneficial effect, details are not described herein.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the flow chart of the failure simulation method provided in an embodiment of the present invention based on dynamic proxy；
Fig. 2 is the structural block diagram of the failure simulation device provided in an embodiment of the present invention based on dynamic proxy；
Fig. 3 is the schematic diagram of the failure simulation device provided in an embodiment of the present invention based on dynamic proxy；
Fig. 4 is the structural block diagram of the fault simulation equipment provided in an embodiment of the present invention based on dynamic proxy；
Fig. 5 is the structural schematic diagram of the fault simulation equipment provided in an embodiment of the present invention based on dynamic proxy.
Specific embodiment
Core of the invention is to provide a kind of failure simulation method based on dynamic proxy, and this method is realized to be run in system
When accurately carry out system failure injection, while the safety of safeguards system；Another core of the invention is to provide one kind and is based on
Failure simulation device, equipment and the readable storage medium storing program for executing of dynamic proxy.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Agency (Proxy) provides the access mode other to target object, that is, passes through agent object access target object,
It can enhance additional feature operation on the basis of target object is realized, that is, extend the function of target object.Dynamic proxy is
In program operation, with agency service made of reflection mechanism dynamic creation.Dynamic proxy is introduced the event of system by the present invention
Barrier simulation, without knowing source code, need to only carry out respective service by generating agency service in the case where original system structure
The calling of interface produces and former service function service is identical injects fault code in agency service in agency service,
Any change will not be made to existed system in direct fault location and failure operation, to ensure that the safety of system.
In addition, carrying out is based on service logic when direct fault location, direct fault location is efficiently and controllable precise.
The invention proposes a kind of failure simulation methods based on dynamic proxy, referring to FIG. 1, Fig. 1 mentions for the present embodiment
The flow chart of the failure simulation method based on dynamic proxy supplied；This method may include:
Step s100, the service request that user carries out fault simulation is received.
The service request of user such as " deleting failure ", " file read error ", " data access interruption " etc., it is therein
" deletion ", " file reading " and " data access " is the service in service request.
Step s110, judge to service whether be registered agency in service request by searching for service broker's registration table；Wherein,
The mapping relations of proxied service, direct fault location code and agent object are stored in service broker's registration table.
The only mapping relations stored in registration table, and specific code is not stored, it can be right by searching for registration table
Relative service, code and agency service etc. scan for, and reference, which is transferred, also requires to look up related memory cell.When
So, it can also be stored with correlative code in registration table in the case where guaranteeing search speed and control committed memory, does not do
It limits.
Step s120, if so, according to the mapping relations and service request stored in service broker's registration table to by generation
Reason service and direct fault location code are configured, and agent object is generated.
The failure script that service logic of the agent object comprising former service and needs inject, it is remote by the reflection mechanism of Java
Journey calls original service interface, and agent object can be made to have the function of former service.
Preferably, the process configured is specifically as follows:
Generate the corresponding proxied service of service request；
It will be in the proxied service of direct fault location by script defined in service broker's registration table and direct fault location module
Default monitoring point.
When the service of request is not configured in agency of trademark registration table, it can execute and be executed still according to original logic, such as
User's request " delete failure ", and " deletion " is not configured, then can not execute any operation continues to continue original service and patrol
Volume；It is of course also possible to carry out relevant configuration, without limitation.Preferably, it is not registered to avoid the occurrence of service due to omission
The case where acting on behalf of, it is preferable that can when serviced in service request be not registered act on behalf of when, configure service request in service.
Step s130, agent object is called to carry out fault simulation.
For example, goal systems includes service logic 1, service logic 2 and service logic 3.Wherein, user's request is to service
Logic 1 carries out fault simulation, then by the service interface of the reflection mechanism remote call service logic 1 of Java, obtains and service
The identical service broker of 1 function of logic, any change will not be made to goal systems by carrying out fault simulation to agent object, can be with
Direct fault location is carried out in system operation, carries out event to suitable for Run-time scenario, and in the node for needing to carry out Fault Control
The calling for hindering script, can be realized being automatically injected for failure, and only call script, Ke Yishi in the service node for needing to control
Now to the accurate control of service function, the accuracy of Fault Control is improved.,
In addition, for convenience of analysis to fault simulation, it is preferable that can also further the service request of counting user and
Corresponding fault simulation is as a result, obtain failure logging information.
Based on the above-mentioned technical proposal, the failure simulation method based on dynamic proxy provided by the present embodiment receives user
Carry out fault simulation service request, service request such as delete unsuccessfully, creation stop etc., in service request service refer to deletion,
Creation etc..The mapping relations of proxied service, direct fault location code and agent object, root are stored in service broker's registration table
Judge to service whether be registered agency in service request according to service broker's registration table, if so, according in service broker's registration table
The mapping relations and service request of storage configure proxied service and direct fault location code, generate agent object,
Agent object is the script inherited original service logic and inject customized fault code, the ring suitable for deployed operation
In border, any change will not be made to existed system, there is very high safety, and calling agent object to carry out fault simulation can be with
It realizes and accurately carries out system failure injection, while the safety of safeguards system under several scenes.
Referring to FIG. 2, Fig. 2 is the structural block diagram of the failure simulation device provided in this embodiment based on dynamic proxy；It should
Device may include: service request reception unit 200, judging unit 210, agent object configuration unit 220 and analogue unit
230.Failure simulation device provided in this embodiment based on dynamic proxy can be with the above-mentioned fault simulation side based on dynamic proxy
Method can be compareed mutually.
Wherein, service request reception unit 200 is mainly used for receiving the service request that user carries out fault simulation；
Judging unit 210 is mainly used for judging to service in service request by searching for service broker's registration table whether be registered
Agency；Wherein, the mapping that proxied service, direct fault location code and agent object are stored in service broker's registration table is closed
System；
If agent object configuration unit 220, which is mainly used for service in service request, is registered agency, according to service broker
The mapping relations and service request stored in registration table configure proxied service and direct fault location code, generate generation
Manage object；
Analogue unit 230 is mainly used for that agent object is called to carry out fault simulation.
The present embodiment introduces another failure simulation device based on dynamic proxy, and Fig. 3 show provided in this embodiment
The schematic diagram of failure simulation device based on dynamic proxy, the simulator can specifically include: dynamic proxy module, failure note
Enter module, network service module, service broker's registration table, event monitoring module.
Event sniffer is used to filter the request of user, if the service of request configures in agency of trademark registration table,
This request will be forwarded to dynamic proxy resume module.
Dynamic proxy module is formed by acting on behalf of generator and Classloader, is acted on behalf of generator and is responsible for generating agent object, generation
Reason object includes the service logic of former service and the failure script that needs inject.It is to carry out that Classloader, which loads proxied service,
The basis called is reflected, by the original service interface of reflection mechanism far call of Java, so that agent object has former clothes
The function of business.
It is configured with proxied service in service broker's registration table, direct fault location script, the mapping relations of agent object, separately
Outside, further include in table the system for describing proxied service call method and incoming parameter declaration, to agent object reflect
It calls.
Customized direct fault location script is stored in direct fault location module, by searching for reflecting in service broker's registration table
The relationship of penetrating can carry out exact automatic calling to the direct fault location script in direct fault location module.It can be in original service logic
Before execution, direct fault location script is executed after execution or when executing a certain special operation, without limitation to the node of direct fault location.Therefore
Barrier code can change the data that original service logic executes, for example executed when delete operation by being inserted into some node
Some direct fault location script changes the logic of original delete operation, deletes failure to realize.
Network service module is the interface interacted with external system, includes client and goal systems with external system
Information exchange passes through network service module, and essence is a HTTP server, obtains client request, utilizes reflection far distance
Former service logic is called to require network service module support.
Specifically, the failure simulation device using provided in this embodiment based on dynamic proxy carries out the process of fault simulation
It can be with are as follows: after the request from client passes through network service module, entry event monitor, event sniffer reading service generation
Registration table is managed, configuration is searched and needs proxied service and direct fault location code, if the service of client's request is registered generation
Reason, then go to dynamic proxy resume module for request.Dynamic proxy module is according to service broker's registration table and direct fault location module
Defined in the script service of acting on behalf of direct fault location, generate agent object, agent object is to inherit original service logic simultaneously
Customized failure script is injected in monitoring point.Call agent object that the fault simulation of user's request can be completed.
Referring to FIG. 4, Fig. 4 is the structural block diagram of the fault simulation equipment provided in this embodiment based on dynamic proxy；It should
Equipment may include: memory 400 and processor 410.Fault simulation equipment based on dynamic proxy can refer to above-mentioned be based on
The introduction of the failure simulation method of dynamic proxy.
Wherein, memory 400 is mainly used for storing program；
Processor 410 is mainly used for the step of realizing the above-mentioned failure simulation method based on dynamic proxy when executing program.
Referring to FIG. 5, being the structural schematic diagram of the fault simulation equipment provided in this embodiment based on dynamic proxy, the event
Barrier analog machine can generate bigger difference because configuration or performance are different, may include one or more processors
(central processing units, CPU) 322 (for example, one or more processors) and memory 332, one
Or (such as one or more mass memories are set the storage medium 330 of more than one storage application program 342 or data 344
It is standby).Wherein, memory 332 and storage medium 330 can be of short duration storage or persistent storage.It is stored in the journey of storage medium 330
Sequence may include one or more modules (diagram does not mark), and each module may include to one in data processing equipment
Series of instructions operation.Further, central processing unit 322 can be set to communicate with storage medium 330, set in fault simulation
The series of instructions operation in storage medium 330 is executed on standby 301.
Fault simulation equipment 301 can also include one or more power supplys 326, one or more wired or nothings
Wired network interface 350, one or more input/output interfaces 358, and/or, one or more operating systems 341,
Such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM etc..
Step in failure simulation method based on dynamic proxy described in above figure 1 can be by based on dynamic proxy
The structure of fault simulation equipment is realized.
Present embodiment discloses a kind of readable storage medium storing program for executing, program is stored on readable storage medium storing program for executing, program is by processor
The step of failure simulation method based on dynamic proxy is realized when execution, wherein the failure simulation method based on dynamic proxy can
Corresponding embodiment referring to Fig.1, details are not described herein.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Above to the failure simulation method based on dynamic proxy, device, equipment and readable storage medium provided by the present invention
Matter is described in detail.Used herein a specific example illustrates the principle and implementation of the invention, above
The explanation of embodiment is merely used to help understand method and its core concept of the invention.It should be pointed out that for the art
Those of ordinary skill for, without departing from the principle of the present invention, can also to the present invention carry out it is several improvement and repair
Decorations, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of failure simulation method based on dynamic proxy characterized by comprising
Receive the service request that user carries out fault simulation；
Judge service whether be registered agency in the service request by searching for service broker's registration table；Wherein, the service
The mapping relations of proxied service, direct fault location code and agent object are stored in agency of trademark registration table；
If so, according to the mapping relations and the service request stored in service broker's registration table to proxied service
And direct fault location code is configured, and agent object is generated；
The agent object is called to carry out fault simulation.
2. as described in claim 1 based on the failure simulation method of dynamic proxy, which is characterized in that described according to the service
The mapping relations and the service request stored in agency of trademark registration table match proxied service and direct fault location code
It sets and includes:
Generate the corresponding proxied service of the service request；
It will be in service proxied described in direct fault location by script defined in service broker's registration table and direct fault location module
Default monitoring point.
3. as claimed in claim 2 based on the failure simulation method of dynamic proxy, which is characterized in that described to generate the service
The corresponding proxied service is requested to include:
By the original service interface of reflection mechanism far call of Java, proxied service is obtained.
4. as described in claim 1 based on the failure simulation method of dynamic proxy, which is characterized in that further include:
When serviced in the service request be not registered act on behalf of when, configure the service in the service request.
5. as described in claim 1 based on the failure simulation method of dynamic proxy, which is characterized in that further include:
The service request of counting user and corresponding fault simulation are as a result, obtain failure logging information.
6. a kind of failure simulation device based on dynamic proxy characterized by comprising
Service request reception unit carries out the service request of fault simulation for receiving user；
Judging unit, for judging service whether be registered agency in the service request by searching for service broker's registration table；
Wherein, the mapping relations of proxied service, direct fault location code and agent object are stored in service broker's registration table；
Agent object configuration unit is infused if being registered agency for service in the service request according to the service broker
The mapping relations and the service request stored in volume table configure proxied service and direct fault location code, generate
Agent object；
Analogue unit, for calling the agent object to carry out fault simulation.
7. as claimed in claim 6 based on the failure simulation device of dynamic proxy, which is characterized in that the proxy configurations unit
Include:
Agency service generates subelement, for generating the corresponding proxied service of the service request；
Direct fault location subelement, for passing through script defined in service broker's registration table and direct fault location module for direct fault location
Default monitoring point in the proxied service.
8. as claimed in claim 7 based on the failure simulation device of dynamic proxy, which is characterized in that the agency service generates
Subelement is used for: by the original service interface of reflection mechanism far call of Java, obtaining proxied service.
9. a kind of fault simulation equipment based on dynamic proxy characterized by comprising
Memory, for storing program；
Processor realizes the failure mould as described in any one of claim 1 to 5 based on dynamic proxy when for executing described program
The step of quasi- method.
10. a kind of readable storage medium storing program for executing, which is characterized in that be stored with program on the readable storage medium storing program for executing, described program is located
Manage the step of realizing the failure simulation method as described in any one of claim 1 to 5 based on dynamic proxy when device executes.
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| CN111385147A (en) * | 2020-03-06 | 2020-07-07 | 腾讯科技（深圳）有限公司 | Fault simulation method, device and computer readable storage medium |
| CN111526028A (en) * | 2019-02-01 | 2020-08-11 | 阿里巴巴集团控股有限公司 | Data processing method, device and equipment |
| CN113176913A (en) * | 2021-05-25 | 2021-07-27 | 深圳前海微众银行股份有限公司 | Processing method and device of JAVA agent, terminal equipment and storage medium |
| US20220100599A1 (en) * | 2020-09-29 | 2022-03-31 | Amazon Technologies, Inc. | Automated testing of systems and applications |
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