CN110874289A - System program backup method, device, information processor and storage medium - Google Patents

System program backup method, device, information processor and storage medium Download PDF

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Publication number
CN110874289A
CN110874289A CN201910901520.2A CN201910901520A CN110874289A CN 110874289 A CN110874289 A CN 110874289A CN 201910901520 A CN201910901520 A CN 201910901520A CN 110874289 A CN110874289 A CN 110874289A
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Prior art keywords
system program
backup
program
preset
backup file
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CN201910901520.2A
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Chinese (zh)
Inventor
刘均
李森
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Shenzhen Launch Technology Co Ltd
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Shenzhen Launch Technology Co Ltd
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Priority to CN201910901520.2A priority Critical patent/CN110874289A/en
Publication of CN110874289A publication Critical patent/CN110874289A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14Error detection or correction of the data by redundancy in operation
    • G06F11/1402Saving, restoring, recovering or retrying
    • G06F11/1446Point-in-time backing up or restoration of persistent data
    • G06F11/1458Management of the backup or restore process
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/70Software maintenance or management
    • G06F8/71Version control; Configuration management

Abstract

The present application relates to the field of embedded system technologies, and in particular, to a method and an apparatus for backing up a system program, an information processor, and a storage medium. The system program backup method comprises the following steps: after the system is started, detecting whether the system program runs normally; when the system program runs normally, judging whether a preset backup file exists or not; when a preset backup file exists, comparing whether the version number of the system program is the same as the version number of the backup program in the preset backup file; and when the version number of the system program is different from the version number of the backup program in a preset backup file, backing up the system program to form a backup file. According to the technical scheme, the backup system program is the latest and the backup is the normal program, so that the running reliability of the information processor is improved, and the accidental loss of the system program can be prevented.

Description

System program backup method, device, information processor and storage medium
Technical Field
The present application relates to the field of embedded system technologies, and in particular, to a method and an apparatus for backing up a system program, an information processor, and a storage medium.
Background
In the use process of the embedded system, the memory is read and written for a long time, and inevitably generates bad blocks, so that the program is damaged with a certain probability, the embedded system cannot be started, or the program in the memory is damaged due to interference, static electricity and the like. In the existing solution, although there is a scheme for backing up a system program, the existing scheme saves a new program to a backup area each time a system is upgraded. However, if the program is upgraded, the upgraded program cannot be operated, and the backup program is wrong, so that the device cannot be operated.
Therefore, how to provide a scheme for preventing a system program from backup errors is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The application provides a system program backup method, a device, an information processor and a storage medium, and aims to solve the technical problem that recovery is troublesome when an existing memory fails.
In a first aspect, the present application provides a system program backup method, including:
after the system is started, detecting whether the system program runs normally;
when the system program runs normally, judging whether a preset backup file exists or not;
when a preset backup file exists, comparing whether the version number of the system program is the same as the version number of the backup program in the preset backup file;
and when the version number of the system program is different from the version number of the backup program in a preset backup file, backing up the system program to form a backup file.
Preferably, the detecting whether the system program operates normally includes:
detecting whether a process identification number PID corresponding to the system program exists or not;
and if the process identification number PID corresponding to the system program exists, the system program is confirmed to run normally.
Preferably, the system program backup method further includes:
and when the preset backup file does not exist, backing up the system program to form a backup file.
Preferably, the system program backup method further includes:
and when the system program is abnormally operated, restoring the system program by using the preset backup file.
Preferably, after the restoring the system program by using the preset backup file, the system program backup method further includes:
the system is restarted to restart the system program.
Preferably, when the system program is abnormally operated, before the restoring the system program by using the preset backup file, the system program backup method further includes:
restarting the system program;
and after the system program is restarted for a preset number of times, when the system program is abnormally operated, restoring the system program by using the preset backup file.
Preferably, the restarting the system program includes:
and calling a reboot instruction to start the system program.
In a second aspect, the present application further provides a system program backup apparatus, including:
the detection module is used for detecting whether the system program runs normally or not after the system is started;
the judging module is used for judging whether a preset backup file exists or not when the system program runs normally;
the comparison module is used for comparing whether the version number of the system program is the same as the version number of the backup program in the preset backup file or not when the preset backup file exists;
and the backup module is used for backing up the system program to form a backup file when the version number of the system program is different from the version number of the backup program in a preset backup file.
Preferably, the detection module comprises:
the detection unit is used for detecting whether a process identification number PID corresponding to the system program exists or not;
the confirming unit is used for confirming that the system program runs normally if the process identification number PID corresponding to the system program exists; and if the process identification number PID corresponding to the system program does not exist, confirming that the system program is abnormal in operation.
Preferably, the backup module is further configured to backup the system program to form a backup file when there is no preset backup file.
Preferably, the system program backup device further includes:
and the restoring module is used for restoring the system program by using the preset backup file when the system program is abnormally operated.
Preferably, the system program backup device further includes:
and the first restarting module is used for restarting the system program before restoring the system program by using the preset backup file.
Preferably, the restart module is further configured to call a reboot instruction to start the system program.
Preferably, the restoring module is further configured to restore the system program by using the preset backup file when the system program is abnormally operated after the system program is restarted for a preset number of times.
Preferably, the system program backup device further includes:
and the second restarting module is used for restarting the system after the system program is restored by using the preset backup file so as to restart the system program.
In a third aspect, the present application further provides an information processor, including:
a memory for storing a system program backup program;
and a processor, configured to implement the system program backup method according to the embodiment of the first aspect of the present application when executing the system program backup program.
In a fourth aspect, the present application further provides a storage medium, where the storage medium is a computer-readable storage medium, and is characterized in that a system program backup program is stored in the storage medium, and when being executed by a processor, the system program backup program implements the system program backup method according to the embodiment of the first aspect of the present application.
Compared with the prior art, according to the technical scheme, after the system is started, whether the system program runs normally is detected; when the system program runs normally, judging whether a preset backup file exists or not; when a preset backup file exists, comparing whether the version number of the system program is the same as the version number of the backup program in the preset backup file; when the version number of the system program is different from the version number of the backup program in the preset backup file, the system program is backed up to form a backup file, so that the backed-up system program is the latest and is a normal program, the running reliability of the information processor is improved, and the system program can be prevented from being lost accidentally.
Drawings
Fig. 1 is a flowchart of a system program backup method according to a first embodiment of the present application.
Fig. 2 is a schematic block diagram of a system program backup device according to a second embodiment of the present application.
Fig. 3 is a schematic structural diagram of an information processor according to a third embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the descriptions in this application referring to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a system program backup method according to a first embodiment of the present disclosure, where the system program backup method is executed by a system program backup device, and the system program backup device can be implemented in a hardware and/or software manner to backup a system program, so as to ensure that the backed-up system program is up-to-date and normal. The system program backup method is applied to the information processor. The system program backup method comprises the following steps:
s11: and after the system is started, detecting whether the system program runs normally.
It should be noted that the information processor includes a remote information processor and a local information processor. The telematics processor is a vehicle-mounted T-BOX (telematics BOX), and the telematics processor can be used for communicating with background system/mobile phone software (APP) of a vehicle to realize vehicle information display and control of the mobile phone APP.
The system is started, that is, the information processor is shut down and restarted to start up, which is similar to the startup after the shutdown of the computer. The system program refers to a program for controlling and coordinating the information processor and external devices, and is a program which does not need user intervention, and is used for scheduling, monitoring and maintaining the information processor and the like. In the application, after the system is started every time, namely after the system is started every time, whether the system program runs normally or not is detected. Preferably, when detecting whether the system program is running normally, it may be detected whether the system program is running normally in a delayed manner, that is, after a preset time after the system is started, it is detected whether the system program is running normally. The preset time can be set according to needs, for example, the preset time can be 2s or 3 s.
The detecting whether the system program runs normally may include:
detecting whether a Process Identification (PID) corresponding to the system program exists or not; if the process identification number PID corresponding to the system program exists, the system program is confirmed to run normally; and if the process identification number PID corresponding to the system program does not exist, confirming that the system program is abnormal in operation.
In an information processor system, each time a program is opened, there is a corresponding PID. And the system program also has a corresponding PID, and whether the system program normally operates can be determined by detecting whether the PID corresponding to the system program exists. If the system program is operating normally, the process proceeds to step S13, and if the system program is operating abnormally, the process proceeds to step S14.
S12: and when the system program runs normally, judging whether a preset backup file exists or not.
If the system of the information processor does not have the preset backup file, the information processor is indicated to be started and operated for the first time, and the backup is not carried out yet. If the system of the information processor has the backup file, the system of the information processor is described and the backup is carried out. If there is a preset backup file, the process proceeds to step S13.
S13: and when the preset backup file exists, comparing whether the version number of the system program is the same as the version number of the backup program in the preset backup file.
The system program includes a corresponding version number. For example, the computer system includes version win7, version win 10. Different more detailed versions are also included under Win 7. The preset backup file is the backup file stored in advance. The backup files are backups of historical system programs and related configuration files. The backup files can be used to restore the system program. A backup area dedicated to backup of the system program may be provided, for example, a memory dedicated to backup of the system program may be provided for backup of the system program. The system programs in the backup file also have corresponding version numbers.
If the version number of the system program is the same as that of the backup program in the preset backup file, it indicates that the system program in operation is the same as that in the backup file, and the process can be ended without performing other steps. When the version number of the system program is different from the version number of the backup program in the preset backup file, the process proceeds to step S14.
S14: and when the version number of the system program is different from the version number of the backup program in a preset backup file, backing up the system program to form a backup file.
The system program is backed up, namely the system program and the related configuration information are backed up to form a backup file.
Preferably, when there is no preset backup file, the step S14 is directly performed after the step S12, that is: and when the preset backup file does not exist, backing up the system program to form a backup file.
In the system program backup method provided by this embodiment, after the system is started, whether the system program operates normally is detected; when the system program runs normally, judging whether a preset backup file exists or not; when a preset backup file exists, comparing whether the version number of the system program is the same as the version number of the backup program in the preset backup file; when the version number of the system program is different from the version number of the backup program in the preset backup file, the system program is backed up to form a backup file, so that the backed-up system program is the latest and is a normal program, the running reliability of the information processor is improved, and the system program can be prevented from being lost accidentally.
S15: and when the system program is abnormally operated, restoring the system program by using the preset backup file.
The backup file is a preset backup file, the backup file comprises a system program, and the system program can be restored according to the backup file. How to restore a system program according to a backup file is the prior art, and the description of the application is not provided.
Preferably, when the system program is abnormally operated, before the restoring the system program by using the preset backup file, the system program backup method further includes:
and restarting the system program.
When the system program runs abnormally, the system program is restarted, and if the system program is failed to be started, namely the system program still runs abnormally, the preset backup file is used for restoring the system program. When the system program is restarted, the system program can be started for a preset number of times so as to prevent the slow starting of the system program caused by the fact that the information processor runs in a halt mode. Namely, after the system program is restarted for the preset times and the system program runs abnormally, the preset backup file is used for restoring the system program. The preset times can be set according to needs, for example, the preset times is 3 times.
Wherein restarting the system program comprises:
and calling a reboot instruction to start the system program.
rebot is used to restart the system. The system program can be started through the reboot instruction. If the system program is normal and has no error, the system program can be started normally, and then the system program can run normally. If the system program is abnormal, the system program cannot be started normally.
Preferably, after restoring the system program using the preset backup file, the system program backup method further includes:
the system is restarted to restart the system program.
The information processor is shut down and started again, and after the information processor is started, the system program can be normally started and can run normally because the system program is the restored system program.
In the system program backup method provided by this embodiment, after the system is started, whether the system program operates normally is detected; when the system program runs normally, judging whether a preset backup file exists or not; when a preset backup file exists, comparing whether the version number of the system program is the same as the version number of the backup program in the preset backup file; when the version number of the system program is different from the version number of a backup program in a preset backup file, backing up the system program to form a backup file; when the system program is abnormally operated, restoring the system program by using the preset backup file; the system program can be prevented from being recovered to be normal when the system program is abnormal.
Referring to fig. 2, a system program backup device 20 is provided according to a second embodiment of the present application, where the system program backup device 20 is applied to an information processor for backing up system programs, so as to ensure that the backed-up system programs are up-to-date and normal. The system program backup apparatus 20 can implement the system program backup method of the foregoing embodiment, and the system program backup apparatus 20 includes:
the detection module 21 is used for detecting whether the system program runs normally after the system is started;
the judging module 22 is configured to judge whether a preset backup file exists when the system program operates normally;
the comparing module 23 is configured to compare whether the version number of the system program is the same as the version number of the backup program in the preset backup file when the preset backup file exists;
and the backup module 24 is configured to backup the system program to form a backup file when the version number of the system program is different from the version number of the backup program in the preset backup file.
In the system program backup device provided in this embodiment, after the system is started, whether the system program operates normally is detected; when the system program runs normally, judging whether a preset backup file exists or not; when a preset backup file exists, comparing whether the version number of the system program is the same as the version number of the backup program in the preset backup file; when the version number of the system program is different from the version number of the backup program in the preset backup file, the system program is backed up to form a backup file, so that the backed-up system program is the latest and is a normal program, the running reliability of the information processor is improved, and the system program can be prevented from being lost accidentally.
Preferably, the detection module 21 comprises:
the detection unit is used for detecting whether a process identification number PID corresponding to the system program exists or not;
the confirming unit is used for confirming that the system program runs normally if the process identification number PID corresponding to the system program exists; and if the process identification number PID corresponding to the system program does not exist, confirming that the system program is abnormal in operation.
Preferably, the backup module 24 is further configured to backup the system program to form a backup file when no preset backup file exists.
Preferably, the system program backup device 20 further includes:
and the restoring module is used for restoring the system program by using the preset backup file when the system program is abnormally operated.
Preferably, the system program backup device 20 further includes:
and the first restarting module is used for restarting the system program before restoring the system program by using the preset backup file.
Preferably, the restart module is further configured to call a reboot instruction to start the system program.
Preferably, the restoring module is further configured to restore the system program by using the preset backup file when the system program is abnormally operated after the system program is restarted for a preset number of times.
Preferably, the system program backup device 20 further includes:
and the second restarting module is used for restarting the system after the system program is restored by using the preset backup file so as to restart the system program.
The product can execute the method provided by any embodiment of the application, and has the corresponding functional module and the beneficial effect of the execution method.
Referring to fig. 3, a third embodiment of the present application further provides an information processor and a storage medium, which both have the corresponding effects of the system program backup method provided in the foregoing embodiments of the present application.
The information processor provided by the embodiment of the application comprises a remote information processor and a local information processor. Specifically, the information processor includes a memory 31 and a processor 32, a system program backup program is stored in the memory 31, and the processor 32 implements the following steps when executing the system program backup program stored in the memory 31:
after the system is started, detecting whether the system program runs normally;
when the system program runs normally, judging whether a preset backup file exists or not;
when a preset backup file exists, comparing whether the version number of the system program is the same as the version number of the backup program in the preset backup file;
and when the version number of the system program is different from the version number of the backup program in a preset backup file, backing up the system program to form a backup file.
Preferably, the processor of the information processor executes the system program backup program stored in the memory to further implement the following steps: detecting whether a process identification number PID corresponding to the system program exists or not; if the process identification number PID corresponding to the system program exists, the system program is confirmed to run normally; and if the process identification number PID corresponding to the system program does not exist, confirming that the system program is abnormal in operation.
Preferably, the processor of the information processor executes the system program backup program stored in the memory to further implement the following steps: and when the preset backup file does not exist, backing up the system program to form a backup file.
Preferably, the processor of the information processor executes the system program backup program stored in the memory to further implement the following steps: and when the system program is abnormally operated, restoring the system program by using the preset backup file.
Preferably, the processor of the information processor executes the system program backup program stored in the memory to further implement the following steps: and restarting the system program before restoring the system program by using the preset backup file.
Preferably, the processor of the information processor executes the system program backup program stored in the memory to further implement the following steps: and calling a reboot instruction to start the system program.
Preferably, the processor of the information processor executes the system program backup program stored in the memory to further implement the following steps: and after the system program is restarted for a preset number of times, when the system program is abnormally operated, restoring the system program by using the preset backup file.
Preferably, the processor of the information processor executes the system program backup program stored in the memory to further implement the following steps: and after the system program is restored by using the preset backup file, restarting the system to restart the system program.
A storage medium provided in an embodiment of the present application is a computer-readable storage medium, in which a system program backup program is stored, and when the system program backup program is executed by a processor, the following steps are specifically implemented:
after the system is started, detecting whether the system program runs normally;
when the system program runs normally, judging whether a preset backup file exists or not;
when a preset backup file exists, comparing whether the version number of the system program is the same as the version number of the backup program in the preset backup file;
and when the version number of the system program is different from the version number of the backup program in a preset backup file, backing up the system program to form a backup file.
Preferably, the system program backup program stored in the computer readable storage medium when executed by the processor further specifically realizes the following steps: detecting whether a process identification number PID corresponding to the system program exists or not; if the process identification number PID corresponding to the system program exists, the system program is confirmed to run normally; and if the process identification number PID corresponding to the system program does not exist, confirming that the system program is abnormal in operation.
Preferably, the system program backup program stored in the computer readable storage medium when executed by the processor further specifically realizes the following steps: and when the preset backup file does not exist, backing up the system program to form a backup file.
Preferably, the system program backup program stored in the computer readable storage medium, when executed by the processor, implements the following steps: and when the system program is abnormally operated, restoring the system program by using the preset backup file.
Preferably, the system program backup program stored in the computer readable storage medium, when executed by the processor, implements the following steps: and restarting the system program before restoring the system program by using the preset backup file.
Preferably, the system program backup program stored in the computer readable storage medium, when executed by the processor, implements the following steps: and calling a reboot instruction to start the system program.
Preferably, the system program backup program stored in the computer readable storage medium, when executed by the processor, implements the following steps: and after the system program is restarted for a preset number of times, when the system program is abnormally operated, restoring the system program by using the preset backup file.
Preferably, the system program backup program stored in the computer readable storage medium, when executed by the processor, implements the following steps: and after the system program is restored by using the preset backup file, restarting the system to restart the system program.
The computer-readable storage medium includes Random Access Memory (RAM), Memory, Read-Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, Compact disk Read-Only Memory (CD-ROM), or any other form of storage medium known in the art.
For a description of a related part in a system program backup method, an apparatus, an information processor, and a computer readable storage medium provided in the embodiments of the present application, reference is made to detailed descriptions of a corresponding part in a system program backup method provided in the foregoing embodiments of the present application, which are not repeated herein. In addition, parts of the above technical solutions provided in the embodiments of the present application, which are consistent with the implementation principles of corresponding technical solutions in the prior art, are not described in detail so as to avoid redundant description.
The modules or units described in the embodiments of the present application may be implemented by software or hardware. Where the name of an element does not in some cases constitute a limitation on the element itself.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims (10)

1. A system program backup method is characterized by comprising the following steps:
after the system is started, detecting whether the system program runs normally;
when the system program runs normally, judging whether a preset backup file exists or not;
when a preset backup file exists, comparing whether the version number of the system program is the same as the version number of the backup program in the preset backup file;
and when the version number of the system program is different from the version number of the backup program in a preset backup file, backing up the system program to form a backup file.
2. The system program backup method according to claim 1, wherein: the detecting whether the system program runs normally includes:
detecting whether a process identification number PID corresponding to the system program exists or not;
and if the process identification number PID corresponding to the system program exists, the system program is confirmed to run normally.
3. The system program backup method according to claim 1, wherein the system program backup method further comprises:
and when the preset backup file does not exist, backing up the system program to form a backup file.
4. The system program backup method according to claim 1, wherein the system program backup method further comprises:
and when the system program is abnormally operated, restoring the system program by using the preset backup file.
5. The method for backing up a system program according to claim 4, wherein after the restoring the system program using the preset backup file, the method for backing up a system program further comprises:
the system is restarted to restart the system program.
6. The system program backup method according to claim 4, wherein: when the system program is abnormally operated and before the system program is restored by using the preset backup file, the system program backup method further comprises the following steps:
restarting the system program;
and after the system program is restarted for a preset number of times, when the system program is abnormally operated, restoring the system program by using the preset backup file.
7. The system program backup method according to claim 6, wherein the restarting the system program comprises:
and calling a reboot instruction to start the system program.
8. A system program backup apparatus, comprising:
the detection module is used for detecting whether the system program runs normally or not after the system is started;
the judging module is used for judging whether a preset backup file exists or not when the system program runs normally;
the comparison module is used for comparing whether the version number of the system program is the same as the version number of the backup program in the preset backup file or not when the preset backup file exists;
and the backup module is used for backing up the system program to form a backup file when the version number of the system program is different from the version number of the backup program in a preset backup file.
9. An information processor, characterized in that the information processor comprises:
a memory for storing a system program backup program;
a processor for implementing the system program backup method according to any one of claims 1 to 7 when executing the system program backup program.
10. A storage medium which is a computer-readable storage medium, wherein a system program backup program is stored in the storage medium, and when executed by a processor, the system program backup program implements the system program backup method according to any one of claims 1 to 7.
CN201910901520.2A 2019-09-23 2019-09-23 System program backup method, device, information processor and storage medium Pending CN110874289A (en)

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