CN115576589A - Program hot updating method, electronic equipment and storage medium - Google Patents
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Abstract
The application provides a program hot update method, an electronic device and a storage medium, wherein the method comprises the following steps: acquiring an identification code corresponding to a virtual machine, wherein a second program is loaded in the virtual machine; associating the first program with the second program according to the identification code, wherein the first program and the virtual machine are stored in the same preset server; acquiring at least one first-class file by using a first program according to parameters, wherein the parameters at least comprise a storage path of the first-class file; and establishing a pointing relationship between the first type of file and a second type of file in the second program by using the first program, so that the first type of file stored in the storage path is executed according to the parameters when the second program runs. According to the scheme, the first program acquires at least one first-class file according to the parameters, so that the second program executes the first-class file stored in the storage path when running, the original program is not changed, meanwhile, the hot updating can be realized, and the efficiency and the stability of program updating are improved.
Description
Technical Field
The disclosed embodiments of the present application relate to the field of program update, and more particularly, to a program hot update method, an electronic device, and a storage medium.
Background
With the wide popularization of application programs, more and more application programs emerge in the internet, in some application programs, particularly the stability of application of bank finance to the program, the requirement on the continuity of business functions is high, and if an online problem occurs, the program needs to be updated under the condition that the current service is not stopped after code modification is completed.
The inventor of the application finds that a blue-green release mode of container cloud is generally adopted to update programs under the condition that the current service is not stopped, and original codes are replaced after codes are compiled and modified, but the mode has the following defects:
the blue-green release mode of the container cloud is adopted under the condition that the service application is deployed in the access container cloud, but in the actual software research and development process, not all the applications are released based on the container cloud, two sets of hardware resources are prepared for the same service application, and the consumption of the hardware resources is high; moreover, the original code is replaced after the code is compiled and modified, so that the time length of updating the code is prolonged.
Disclosure of Invention
According to an embodiment of the present application, a program hot-update method, an electronic device, and a storage medium are provided to solve the above problems.
According to a first aspect of the present application, an example program hot update method is disclosed. The exemplary program hot update method comprises: acquiring an identification code corresponding to a virtual machine, wherein a second program is loaded in the virtual machine; associating a first program with the second program according to the identification code, wherein the first program and the virtual machine are stored in the same preset server; acquiring at least one first-class file by using a first program according to parameters, wherein the parameters at least comprise a storage path of the first-class file; and establishing a pointing relationship between the first type of files and second type of files in the second program by using a first program, so that the first type of files stored in the storage path are executed according to the parameters when the second program runs.
According to a second aspect of the present application, an exemplary electronic device is disclosed, which includes a memory and a processor coupled to each other, wherein the processor is configured to execute program instructions stored in the memory to implement the program hot-update method in the first aspect.
According to a third aspect of the present application, an exemplary non-transitory computer-readable storage medium is disclosed, having stored thereon program instructions that, when executed by a processor, implement the program hot-update method of the first aspect described above.
According to the scheme, the first program acquires at least one first-class file according to the parameters, so that the second program executes the first-class file stored in the storage path when running, the original program is not changed, meanwhile, the hot updating can be realized, and the efficiency and the stability of program updating are improved.
These and other objects of the present application will no doubt become obvious to those of ordinary skill in the art after having read the following detailed description of the preferred embodiment, which is illustrated in the various drawing figures and drawings.
Drawings
FIG. 1 is a flowchart illustrating a program hot-update method according to an embodiment of the present disclosure;
FIG. 2 is a block diagram of an embodiment of a correspondence between identifiers of the present application;
FIG. 3 is a block diagram of an embodiment of an electronic device of the present application;
FIG. 4 is a block diagram of one embodiment of a non-volatile computer-readable storage medium of the present application.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the drawings.
In the following description, for purposes of explanation and not limitation, specific details are set forth such as particular system structures, interfaces, techniques, etc. in order to provide a thorough understanding of the present application.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship. Further, "plurality" herein means two or more than two. In addition, the term "at least one" herein means any one of a plurality or any combination of at least two of a plurality, for example, including at least one of a, B, C, and may mean including any one or more elements selected from the group consisting of a, B, and C.
If the technical scheme of the present application relates to personal information, a product applying the technical scheme of the present application clearly informs personal information processing rules and obtains personal self-approval before processing the personal information. If the technical scheme of the application relates to sensitive personal information, a product applying the technical scheme of the application obtains individual consent before processing the personal information, and simultaneously meets the requirement of 'express consent'. For example, at a personal information collection device such as a camera, a clear and significant flag is set to inform that the personal information collection range is entered, the personal information is collected, and if the person voluntarily enters the collection range, the person agrees to collect the personal information; or on the device for processing the personal information, under the condition of informing the personal information processing rule by using obvious identification/information, obtaining personal authorization by modes of popping window information or asking a person to upload personal information of the person by himself, and the like; the personal information processing rule may include information such as a personal information processor, a personal information processing purpose, a processing method, and a type of personal information to be processed.
Referring to fig. 1, fig. 1 is a flowchart illustrating a program hot-update method according to an embodiment of the present disclosure. The execution subject of the program hot-update method may be a program hot-update apparatus, for example, the program hot-update method may be executed by a terminal device or a server or other processing device, where the terminal device may be a User Equipment (UE), a mobile device, a User terminal, a cellular phone, a cordless phone, a Personal Digital Assistant (PDA), a handheld device, a computing device, a vehicle-mounted device, a wearable device, or the like. In some possible implementations, the program hot-update method may be implemented by a processor calling computer readable instructions stored in a memory.
Specifically, as shown in fig. 1, the method may include the steps of:
step S11: and acquiring an identification code corresponding to the virtual machine, wherein the virtual machine is loaded with a second program.
The virtual machine is a computer that realizes various computer functions on a preset server by simulating a computer, for example: a Java Virtual Machine (Java Virtual Machine).
The identification code is used for uniquely determining one virtual machine on the preset server, that is, the preset server can be loaded with a plurality of virtual machines simultaneously, and each virtual machine corresponds to one identification code.
The second program may be a computer program, a computer process, computer software, a mobile app, a Web front-end application program, and the like, and accordingly, at least one second program may be loaded in the same virtual machine.
Further, the identification code corresponding to the virtual machine is obtained, and the identification code corresponding to the virtual machine is searched from a virtual machine list by reading the program name of the second program and searching for the virtual machine carrying the second program corresponding to the program name, wherein the virtual machine list includes the identification code corresponding to at least one virtual machine and the program name of the corresponding second program.
Step S12: and associating the first program with the second program according to the identification code, wherein the first program and the virtual machine are stored in the same preset server.
The first program refers to a program for performing a program update operation, such as: the hot update program and the hot update software can be applied to a preset server. More specifically, for example: java agent program. The java agent program may be an agent (agent) program independent of the application program to monitor and assist the application program running on the virtual machine (JVM), i.e., the second program. Such monitoring and assistance includes, but is not limited to, obtaining virtual machine (JVM) runtime state. In addition, it should be noted that, in some embodiments, the function of the first program for performing the program updating operation may also be implemented by a code, and the code for performing the program updating operation is also within the scope of the present application and is not described herein again.
The preset server is used for storing a first program, a second program and a virtual machine loaded with the second program.
Associating the first program with the second program according to the identification code, for example: and associating the first program with a second program loaded in the virtual machine corresponding to the identification code by using the identification code through an Attach mechanism. The Attach mechanism may be configured to connect the first program to the target second program by using the identifier code, then perform statistics on the acquired memory dump, the thread dump, and the like, and dynamically load the first program during and/or before the running of the second program, so as to associate the first program with the second program according to the identifier code.
Step S13: and acquiring at least one first-class file by using a first program according to parameters, wherein the parameters at least comprise a storage path of the first-class file.
The first type of file may be used to update the second program, and may be obtained by performing compilation in advance after determining a part of the second program that needs to be updated by a program developer, for example: in a use scene of a certain bank app in the field of financial science and technology, partial functions of the bank app need to be updated, and a program developer can compile the updated functions according to needs to obtain a first type of file for updating the bank app, wherein the obtained first type of file can be stored in a preset server.
The parameters may be used to obtain a first type of file in a preset server, for example: the method can be used for acquiring the byte stream of the first type file in the preset server, namely acquiring the data of the first type file. The parameters at least comprise a storage path of the first type of file, and the storage path of the first type of file is the storage position of the first type of file in a preset server.
Further, at least one file of a first type may be obtained by a first program according to parameters, for example: the first program acquires the first type file according to the storage path of the first type file.
Step S14: and establishing a pointing relationship between the first type of file and a second type of file in the second program by using the first program, so that the first type of file stored in the storage path is executed according to the parameters when the second program runs.
For example, in some embodiments, the first program may cause the second type file to point to the first type file by loading the first type file, so as to implement the execution of the first type file stored in the storage path according to the parameter when the second program runs, in other words, the second program obtains the storage path of the first type file according to the parameter, so as to execute the first type file stored in the storage path when the second program runs. At this time, please refer to fig. 2, fig. 2 is a schematic diagram of a framework of an embodiment of a correspondence relationship between identifiers according to the present application, and as shown in fig. 2, when a second type file 201 and a second type file 202 need to be updated, a first type file 210 and a first type file 211 may be loaded through a first program, so that the second type file 201 points to the first type file 210, and the second type file 202 points to the first type file 211, that is, the first type file 210 and the first type file 211 are executed when the second program runs, it can be understood that the second type file 203 does not point to a corresponding first type file without being updated.
In this embodiment, the first program obtains the at least one first class file according to the parameter, so that the second program executes the first class file stored in the storage path when running, the hot update can be realized without changing the original program, and the efficiency and stability of the program update are improved.
As mentioned above, the parameters include at least the storage path of the first type of file. In some embodiments, the parameter further includes a class name of the first class file, and establishing a pointing relationship between the first class file and a second class file in the second program includes: and utilizing the first program to point the second type files in the second program to the first type files with the same class names as the second type files, so that the first type files which are stored in the storage path and have the same class names as the second type files are executed when the second program runs.
The parameter further includes a class name of the first class file, and accordingly, the first program may obtain the first class file according to the storage path and/or the class name of the first class file, which is not described herein any more.
Further, the first program is utilized to point the second type file in the second program to the first type file with the same name as the second type file, for example: the first program converts the byte stream of the first type file with the same class name as the second type file into a new class conversion object, and loads the new class conversion object by using the first program, so that the second program executes the first type file which is stored in the storage path and has the same class name as the second type file when running.
As described above, the first program may cause the second type file to point to the first type file by loading the first type file, and in some embodiments, establishing a pointing relationship between the first type file and the second type file in the second program further includes: and loading the first type of file by a preset method so as to enable the second type of file to point to the loaded first type of file.
The preset method is used for loading the first type of file, so that the second type of file points to the first type of file, for example: the first program loads a byte stream of the first type of file by calling an Instrumentation instance in a java, lang, instrument package and by using a class conversion (class conversion) method provided in the Instrumentation instance, converts the byte stream of the first type of file into a new class conversion object, namely, the loaded first type of file and loads the new class conversion object, so that the second program executes the loaded first type of file stored in the storage path when running. Wherein a class transformation (classretform) method may be used to reload the class definition so that the second class of files points to the loaded first class of files. Lan g, instrument package is a toolkit in JDK, and can realize dynamic modification and/or replacement of class files by modifying byte codes, and JDK is a software development integration toolkit in Java language, and is mainly used for Java application programs on mobile devices and embedded devices. JDK is the core of the entire JAVA development, and includes the JAVA runtime environment (JVM + JAVA system class library) and JAVA tools, which are not described herein.
As described above, the identification code corresponding to the virtual machine is obtained, and the first program is associated with the second program according to the identification code. In some embodiments, before obtaining the identification code corresponding to the virtual machine, the method includes: acquiring a virtual machine list (Vmlist) stored in a preset server, wherein the virtual machine list (Vmlist) comprises an identification code corresponding to at least one virtual machine; obtaining an identification code corresponding to the virtual machine, further comprising: the method includes the steps of presetting a second program needing to be updated so as to obtain an identification code corresponding to a virtual machine loaded with the second program needing to be updated.
Further, the identification code corresponding to the virtual machine is acquired, and the identification code corresponding to the virtual machine loaded with the program name corresponding to the second program is searched from a virtual machine list (Vmlist) by reading the program name of the second program, where the virtual machine list (Vmlist) includes the identification code corresponding to at least one virtual machine and the program name of the corresponding second program.
As described above, associating a first program with a second program, and in some embodiments, associating a first program with a second program, includes: and transmitting the identification code into a preset tool kit, and registering the first program in the virtual machine so as to establish the association relationship between the first program and the second program.
The preset tool kit is used for storing a tool library, compiling and operating various programs. For example: the tools.jar package includes class libraries for implementing the tools.
Further, an identification code is transmitted to a preset toolkit, and the first program is registered in the virtual machine so as to establish an association relationship between the first program and the second program, for example: jar package through tools provided in JDK calls virtual machine class therein to obtain virtual machine list (Vmlist) in current environment, obtains corresponding identification code according to program name of service application, and establishes association relationship between first program and identification code and second program through attribute mechanism.
As described above, in some embodiments, after loading the first type file by using a predetermined method so that the second type file points to the first type file, the loading the first type file by using a predetermined method so that the second type file points to the first type file further includes: and loading the second type of file by a preset method, and restoring the pointing relationship between the first type of file and the second type of file in the second program so as to execute the second type of file when the second program runs.
The preset method is used for loading the first type of file, so that the second type of file points to the first type of file, for example: the first program loads a byte stream of the second type of files by calling an Instrumentation instance in a java, lang, instrument package and by using a class conversion (classrransform) method provided in the Instrumentation instance to restore the pointing relationship between the first type of files and the second type of files in the second program, that is, the second program is caused to execute the second type of files when running, and the application scenario of a certain bank app in financial science and technology is taken as an example: after the bank app is updated, the bank app can be returned to the version before updating through the pointing relationship between the restoration type files, and in addition, it can be understood that if one updating includes updating of a plurality of functions, a program developer can select different functions to return through restoring the pointing relationship between the first type files and the second type files corresponding to different functions.
As described above, in some embodiments, before acquiring the identifier code corresponding to the virtual machine, the acquiring the identifier code corresponding to the virtual machine includes: and compiling the part needing to be updated in the second program by a program developer to obtain the first type of file.
Compiling a part needing to be updated in the second program by a program developer to obtain a first class of files, and taking the use scene of a certain bank app in the field of financial science and technology as an example: when a part of functions of the bank app need to be updated, the function that is updated by a program developer as needed may be compiled, it should be noted that the function that is updated as needed is compiled to obtain a first type of file for updating the bank app, the first type of file may be obtained as a second type of file corresponding to the function that is updated as needed, or the second type of file may be directly compiled by the program developer.
As described above, the first type files are loaded through a preset method, so that the second type files point to the first type files. In some embodiments, the predetermined method is a class transformation (classretform) method.
The class transformation (classransform) method may be used to reload the class definition, so that the second class file points to the first class file, which is not described herein.
Referring to fig. 3, fig. 3 is a schematic block diagram of an embodiment of an electronic device 30 of the present application. The electronic device 30 comprises a memory 31 and a processor 32 coupled to each other, and the processor 32 is configured to execute program instructions stored in the memory 31 to implement the steps of any of the program thermal update method embodiments described above. In one particular implementation scenario, the electronic device 30 may include, but is not limited to: a microcomputer, a server, and the electronic device 30 may also include a mobile device such as a notebook computer, a tablet computer, and the like, which is not limited herein.
In particular, the processor 32 is configured to control itself and the memory 31 to implement the steps of any of the above-described embodiments of the program thermal update method. The processor 32 may also be referred to as a CPU (Central Processing Unit). The processor 32 may be an integrated circuit chip having signal processing capabilities. The Processor 32 may also be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. In addition, the processor 32 may be commonly implemented by an integrated circuit chip.
Referring to fig. 4, fig. 4 is a block diagram of an embodiment of a non-volatile computer readable storage medium 40 according to the present application. The non-transitory computer readable storage medium 40 stores program instructions 401 executable by the processor, the program instructions 401 being for implementing the steps of any of the program thermal update method embodiments described above.
In some embodiments, functions of or modules included in the apparatus provided in the embodiments of the present disclosure may be used to execute the method described in the above method embodiments, and specific implementation thereof may refer to the description of the above method embodiments, and for brevity, will not be described again here.
The foregoing description of the various embodiments is intended to highlight various differences between the embodiments, and the same or similar parts may be referred to each other, and for brevity, will not be described again herein.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a module or a unit is merely one type of logical division, and an actual implementation may have another division, for example, a unit or a component may be combined or integrated with another system, or some features may be omitted, or not implemented. In addition, the shown or discussed coupling or direct coupling or communication connection between each other may be through some interfaces, indirect coupling or communication connection between devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It will be apparent to those skilled in the art that many modifications and variations can be made in the devices and methods while maintaining the teachings of the present application. Accordingly, the above disclosure should be considered limited only by the scope of the following claims.
Claims (10)
1. A method for hot-updating a program, the method comprising:
acquiring an identification code corresponding to a virtual machine, wherein the virtual machine is loaded with a second program;
associating a first program with the second program according to the identification code, wherein the first program and the virtual machine are stored in the same preset server;
acquiring at least one first-class file by using a first program according to parameters, wherein the parameters at least comprise a storage path of the first-class file;
and establishing a pointing relationship between the first type of file and a second type of file in the second program by using a first program, so that the first type of file stored in the storage path is executed according to the parameters when the second program runs.
2. The method of claim 1, wherein the parameters further include a class name of the first class of files,
the establishing of the pointing relationship between the first type of file and the second type of file in the second program includes:
and utilizing the first program to point the second type of file in the second program to the first type of file with the same class name as the second type of file, so that the second program executes the first type of file which is stored in the storage path and has the same class name as the second type of file when running.
3. The method of claim 2, wherein the establishing a pointing relationship between the first type of file and a second type of file in the second program further comprises:
and loading the first type of files by a preset method so that the second type of files point to the loaded first type of files.
4. The method of claim 1, wherein before acquiring the identification code corresponding to the virtual machine, the method comprises:
acquiring a virtual machine list stored in the preset server, wherein the virtual machine list comprises at least one identification code corresponding to the virtual machine;
the acquiring of the identification code corresponding to the virtual machine further includes:
the second program needing to be updated is preset to obtain the identification code corresponding to the virtual machine loaded with the second program needing to be updated.
5. The method of claim 1, wherein said associating the first program with the second program comprises:
and transmitting the identification code into a preset tool kit, and registering the first program in the virtual machine so as to establish the association relationship between the first program and the second program.
6. The method of claim 3, wherein after loading the first type of file by a predetermined method so that the second type of file points to the first type of file, the method further comprises:
and loading the second class files by a preset method, and restoring the pointing relationship between the first class files and the second class files in the second program so as to execute the second class files when the second program runs.
7. The method of claim 1, wherein before acquiring the identification code corresponding to the virtual machine, the method comprises:
and compiling the part needing to be updated in the second program by a program developer to obtain the first type of file.
8. The method of claim 3, wherein the predetermined method is a class transformation (classretform) method.
9. An electronic device comprising a memory and a processor, the memory coupled to the processor, the processor configured to execute program instructions stored in the memory to implement the program hot-update method of any of claims 1 to 8.
10. A non-transitory computer readable storage medium having stored thereon program instructions, wherein the program instructions, when executed by a processor, implement the program thermal update method of any one of claims 1 to 8.
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Application publication date: 20230106 |