CN109284123A - It is a kind of to divide the method and system for realizing compressed version upgrading using version - Google Patents
It is a kind of to divide the method and system for realizing compressed version upgrading using version Download PDFInfo
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- CN109284123A CN109284123A CN201710601740.4A CN201710601740A CN109284123A CN 109284123 A CN109284123 A CN 109284123A CN 201710601740 A CN201710601740 A CN 201710601740A CN 109284123 A CN109284123 A CN 109284123A
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Abstract
It is a kind of to divide the method and system for realizing compressed version upgrading using version, the method includes the steps: by original version file division at old small version file；Old small version file is individually compressed, and Coutinuous store constructs BIN file, is burnt to equipment memory block；New edition file is divided into new small version file；Difference is carried out to new, old small version file, obtains difference upgrade package；Successively old small version file is decompressed, difference upgrading, compresses and update replacement.The present invention is during difference upgrades, and by the compressed package for the original version for needing to back up, is divided into the compressed package of several continuous small versions, gradually the compressed package of small version is backed up in upgrading in escalation process.Due to only backing up the compressed package of required small version in each upgrading backup, it is no longer necessary to back up the compressed package of entire original version, and compressed package the space occupied very little of each small version, so that the space FLASH needed for backup be greatly reduced.
Description
Technical field
The present invention relates to technical field of network communication, realize compressed version upgrading using version segmentation more particularly to a kind of
Method and system.
Background technique
Increase for version function or the factor of fault restoration, the network equipment need to have the ability for supporting edition upgrading,
This ability has become an essential option of the network equipment.And existing escalation process is usually to first pass through network from server
Upgrade package is obtained, then upgrade package is saved on FLASH, then the original version on FLASH is upgraded by upgrade package.
For cost declining, some equipment store version to be upgraded using compressed version mode, i.e., burn compressed version
It records on FLASH, what is stored on FLASH is compressed version file.Compressed version file can be greatly reduced and account for
Space.
FLASH needed for storing upgrade package for reduction, and reduce downloading upgrade package bring communication traffic, it is desirable to reduce
The size of upgrade package.At this time can be using the method (also known as FOTA upgrading) of difference upgrading, it is poor mainly to store in upgrade package
Different information, to reduce the occupied space of upgrade package.
But when making the difference decilitre grade, if directly carrying out differential comparison, widely different, the upgrading made to compressed version
Packet is very big, substantially without differential effect.For this reason, it may be necessary to do difference to the version before compression, the upgrade package made in this way can be small.It adopts
It is as follows with the upgrading way of which:
Original version is first unziped to RAM when upgrading；Decilitre grade is made the difference in RAM；Compression is upgraded again after the completion of upgrading
Version afterwards goes to update the compressed package of the original version on replacement FLASH.
Because being difference upgrading, if power down in updating replacement process, the file of original version will be destroyed, after restarting
It will be unable to complete upgrading.For this purpose, need first to back up the compressed package of the original version before updating replacement, but this may require that one
A bigger backup space.
Summary of the invention
In order to solve the shortcomings of the prior art, pressure is realized using version segmentation the purpose of the present invention is to provide a kind of
The method and system of contracting edition upgrading, can keep compressed version is small, in these small feature bases of upgrade package, will be required standby
Part space reduction is to very little.
To achieve the above object, the method provided by the invention that realization compressed version upgrading is divided using version, including with
Lower step:
By original version file division at old small version file；Old small version file is individually compressed, and even
Storage building BIN file is renewed, equipment memory block is burnt to；New edition file is divided into new small version file；To new, old small
Version file carries out difference, obtains difference upgrade package；Successively old small version file is decompressed, difference upgrading, compression and
Update replacement.
Further, it is described by original version file division at old small version file, be the segmentation length according to setting,
By original version file division at a series of old small version file and Version Description file；It is described to divide new edition file
The small version file of Cheng Xin is the segmentation length according to setting, and new edition file is divided into a series of new small version text
Part and Version Description file.
Further, the Version Description file includes quantity, filename and the length letter of the small version file after segmentation
Breath.
Further, described that old small version file is individually compressed, and Coutinuous store constructs BIN file, is needle
The small version file in every Geju City is individually compressed, and Coutinuous store compressed data constructs the BIN of old small version file
File；In the BIN file, the compressed data and Version Description information of the small version file comprising every Geju City, the version
Description information includes quantity, offset and the length information of the small version file after segmentation.
Further, described that difference is carried out to new, old small version file, difference upgrade package is obtained, is the segmentation with setting
Length is unit, and carries out difference to the data at same offset in new, old small version file according to Version Description file, is obtained
The difference information of the small version file in every Geju City constructs the difference upgrade package of a series of old small version file.
It is described successively old small version file is decompressed, difference upgrading, compression and update replacement, further comprise with
Lower step:
The small version file for taking out a Geju City decompressed, difference upgrading and compression, obtains new small version file；To new
The version file replaced in advance of small version file backed up；The version file replaced in advance is replaced using new small version file,
And discharge the version file for the pre- replacement having backed up；Remaining old small version file is successively taken out, and is decompressed, is poor
Decilitre grade, compression, backup and update replacement.
Further, described that successively old small version file is decompressed, difference upgrading, compresses and update replacement, be
The small version file in every Geju City is decompressed in RAM, difference upgrading and compression, to the small version in every Geju City in FLASH
File is updated replacement.
To achieve the above object, provided by the invention to divide the system for realizing compressed version upgrading using version, comprising: version
This segmentation module, version production module, upgrade package constructing module and difference upgraded module, wherein
The version divides module, for the segmentation length according to setting, divides original version file and new edition file；
The version makes module, for individually being compressed to the original version file after segmentation and constructing BIN file；The upgrading
Packet constructing module, for constructing the difference upgrade package of original version file and new edition file after dividing；The difference upgrading
Module successively decompresses the original version file after segmentation, difference upgrading, compresses and update replacement.
Further, the version divides module, for the segmentation length according to setting, by original version file and new edition
This document is divided into small version file and Version Description file respectively.
Further, the difference upgraded module, the original version file after segmentation is decompressed, difference upgrading and
Compression, obtains new small version file；The version file replaced in advance to new small version file backs up；Using new small version
This document replaces the version file replaced in advance, and discharges the version file for the pre- replacement having backed up.
Of the invention divides the method and system for realizing compressed version upgrading using version, during difference upgrading,
The compressed package of original version that will need to back up is divided into the compressed package of several continuous small versions, in escalation process by
The compressed package of small version is backed up in secondary upgrading.Due to only backing up the compressed package of required small version in each upgrading backup, no longer
Need to back up the compressed package of entire original version, and compressed package the space occupied very little of each small version, thus significantly
The space FLASH needed for reducing backup.Also, the compressed package to each small version in RAM and successively carries out difference liter
Grade, therefore the demand in escalation process to ram space can also be greatly reduced.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, and with it is of the invention
Embodiment together, is used to explain the present invention, and is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the method flow diagram according to the present invention divided using version and realize compressed version upgrading；
Fig. 2 is the process schematic according to the present invention that serial difference upgrading is carried out to original version file；
Fig. 3 is the system block diagram according to the present invention divided using version and realize compressed version upgrading；
Fig. 4 is the process schematic according to the present invention that a series of old small version file is decompressed and started.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Fig. 1 is the method flow diagram according to the present invention divided using version and realize compressed version upgrading, and Fig. 2 is according to this
The process schematic that serial difference upgrading is carried out to original version file of invention.Below with reference to Fig. 1 and Fig. 2 is combined, to this
The method for realizing compressed version upgrading of being divided using version of invention is described in detail.
In step 101, according to the segmentation length of setting, by original version file division at a series of old small version texts
Part.
In the step, by original version file division at a series of old small version file and Version Description file.Its
In, Version Description file includes the Version Descriptions information such as quantity, filename and the length of small version file after segmentation.
Preferably, in a series of old small version files, in addition to being located at last small version file, remaining small version
The length of file is all the same, is the same setting value.
Certainly, when the setting value of the length of old small version file is smaller, quantity is more, behind required backup when backing up
Space is smaller, but the quantity for the difference upgrade package being subsequently generated accordingly can also increase, therefore, it is necessary to according to the actual situation,
One reasonable numerical value is set to the length of old small version file.
In step 102, the small version file in every Geju City is individually compressed and Coutinuous store.
In the step, individually compressed for the small version file in every Geju City, and Coutinuous store compressed data constructs
The BIN file of old small version file in BIN file, other than the compressed data of the small version file comprising every Geju City, also wraps
The Version Description information of the small version file in every Geju City is included, Version Description information also includes: the offset letter of each small version file
Breath.
Further, by the BIN burning file of compressed old small version file into FLASH, so as to it is subsequent
Difference upgrading is carried out to old small version file in FLASH.Certainly, the BIN file of compressed old small version file can also
With the backup region being burnt in FLASH.
In step 103, according to the segmentation length of setting, new edition file is divided into a series of new small version files.
In the step, the segmentation length of setting is identical as the segmentation length of small version file old in step 101, by new edition
This document is divided into a series of new small version file and Version Description file.Wherein, Version Description file includes after dividing
The Version Descriptions information such as quantity, filename and the length of small version file.
In step 104, difference is carried out to a series of obtained new, old small version files, obtains difference upgrade package.
In the step, as unit of the segmentation length of setting, and according to Version Description file in new, old small version file
Data at same offset carry out difference, obtain the difference information of the small version file in every Geju City, construct a series of old
The difference upgrade package of small version file.
In step 105, successively the small version file in every Geju City is decompressed, difference upgrading, compresses and update replacement.
In the step, firstly, obtaining the Version Description information of each compressed old small version file；
Then, the small version file in a Geju City is taken out from BIN file and unzips to the designated position in RAM；
Secondly, getting the difference information of the old small version file from difference upgrade package, and old to this in RAM
Small version file carries out difference upgrading, and compresses to the new small version file obtained after upgrading；
Again, the version file row that can be covered in FLASH is write back to compressed new small version file to back up；
In the step, further, judged by Data Detection, whether the version file that can be covered has been backed up,
If then otherwise being backed up without being backed up.
Again, compressed new small version file is write back in FLASH and is replaced the version file that can be covered, and
Discharge the version file for the meeting covering having backed up.
It is unziped in RAM finally, successively taking out remaining old small version file from BIN file, and according to aforementioned step
Suddenly it decompressed, difference upgrading, compression, back up and update replacement.
Fig. 3 is the system block diagram according to the present invention divided using version and realize compressed version upgrading, as shown in figure 3, this
The system 300 for realizing compressed version upgrading is divided in invention using version, comprising:
Version divides module 310, version production module 320, upgrade package constructing module 330 and difference upgraded module 340,
In,
Version divides module 310, and for the segmentation length according to setting, original version file and new edition file are divided
At a series of new, old small version files.
Specifically, version divides module 310, by original version file division at a series of old small version file and
New edition file is divided into a series of new small version file and Version Description file by Version Description file.Wherein, version
Describing file includes the Version Descriptions information such as quantity, filename and the length of small version file after segmentation.Per it is a series of it is new,
In old small version file, in addition to being located at last small version file, the length of remaining small version file is all the same, is same
A setting value.
Version makes module 320, for obtained a series of old small version file after dividing to segmentation module 310 into
Row individually compresses and Coutinuous store, and constructs the BIN file of old small version file.
Further, version makes module 320, is individually compressed for the small version file in every Geju City, and continuously deposit
Storage compressed data constructs the BIN file of old small version file, in BIN file, in addition to the small version file comprising every Geju City
Compressed data outside, further include the Version Description information of the small version file in every Geju City, Version Description information also includes: Mei Ge little
The offset of version file.
Upgrade package constructing module 330, a series of new, old small version files for being obtained after dividing to segmentation module 310
Difference is carried out, difference upgrade package is constructed.
Further, upgrade package constructing module 330 is as unit of the segmentation length of setting, and according to Version Description file pair
Newly, the data in old small version file at same offset carry out difference, obtain the difference information of the small version file in every Geju City, structure
Produce the difference upgrade package of a series of old small version file.
Difference upgraded module 340, for being decompressed to the original version file after segmentation, difference upgrading, compression and more
New replacement.
Specifically, difference upgraded module 340, obtains the Version Description letter of each compressed old small version file
Breath；The small version file in a Geju City is taken out from the BIN file of old small version file and unzips to the designated position in RAM；
The difference information of the old small version file is got from difference upgrade package, and in RAM to the old small version file into
The upgrading of row difference, and the new small version file obtained after upgrading is compressed；Compressed new small version file is write
Return to the version file row backup that can be covered in FLASH；Compressed new small version file is write back in FLASH and replaced
The version file that can be covered, and discharge the version file for the meeting covering having backed up；It is successively taken out from BIN file remaining
Old small version file unzips in RAM, and is decompressed according to abovementioned steps, difference upgrading, compression, backs up and update and replace
It changes.
Preferably, when original version file is executable version file, compression is realized in use version segmentation of the invention
The system 300 of edition upgrading, further includes: compressed version starting module 350,
Compressed version starting module 350, for the original version file after segmentation to be successively read out and unziped to
RAM, consequently facilitating file start and subsequent operation.
Fig. 4 is the process schematic according to the present invention that a series of old small version file is decompressed and started,
As shown in figure 4, the BIN burning file of compressed old small version file is passed through compressed version starting module into FLASH
350, file start can be carried out by old small version file successively from taking out and being unziped in RAM in FLASH.
Of the invention divides the method and system for realizing compressed version upgrading using version, during difference upgrading,
The compressed package of original version that will need to back up is divided into the compressed package of several continuous small versions, in escalation process by
The compressed package of small version is backed up in secondary upgrading.Due to only backing up the compressed package of required small version in each upgrading backup, no longer
Need to back up the compressed package of entire original version, and compressed package the space occupied very little of each small version, thus significantly
The space FLASH needed for reducing backup.Also, the compressed package to each small version in RAM and successively carries out difference liter
Grade, therefore the demand in escalation process to ram space can also be greatly reduced.
Those of ordinary skill in the art will appreciate that: the foregoing is only a preferred embodiment of the present invention, and does not have to
In the limitation present invention, although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art
For, still can to foregoing embodiments record technical solution modify, or to part of technical characteristic into
Row equivalent replacement.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of divide the method for realizing compressed version upgrading using version, which comprises the following steps:
By original version file division at old small version file；
Old small version file is individually compressed, and Coutinuous store constructs BIN file, is burnt to equipment memory block；
New edition file is divided into new small version file；
Difference is carried out to new, old small version file, obtains difference upgrade package；
Successively old small version file is decompressed, difference upgrading, compresses and update replacement.
2. according to claim 1 divide the method for realizing compressed version upgrading using version, which is characterized in that
It is described by original version file division at old small version file, be the segmentation length according to setting, by original version herein
Part is divided into a series of old small version file and Version Description file；
It is described that new edition file is divided into new small version file, it is the segmentation length according to setting, by new edition file point
It is cut into a series of new small version file and Version Description file.
3. according to claim 2 divide the method for realizing compressed version upgrading using version, which is characterized in that
The Version Description file includes quantity, filename and the length information of the small version file after segmentation.
4. according to claim 1 divide the method for realizing compressed version upgrading using version, which is characterized in that
It is described that old small version file is individually compressed, and Coutinuous store constructs BIN file, is the small version for every Geju City
This document is individually compressed, and Coutinuous store compressed data constructs the BIN file of old small version file；
In the BIN file, the compressed data and Version Description information of the small version file comprising every Geju City, the version are retouched
State quantity, offset and the length information that information includes the small version file after segmentation.
5. according to claim 1 divide the method for realizing compressed version upgrading using version, which is characterized in that
It is described that difference is carried out to new, old small version file, obtain difference upgrade package, be as unit of the segmentation length of setting, and
Difference is carried out to the data at same offset in new, old small version file according to Version Description file, obtains the small version in every Geju City
The difference information of this document constructs the difference upgrade package of a series of old small version file.
6. according to claim 1 divide the method for realizing compressed version upgrading using version, which is characterized in that
It is described that successively old small version file is decompressed, difference upgrading, compresses and update replacement, it further comprise following step
It is rapid:
The small version file for taking out a Geju City decompressed, difference upgrading and compression, obtains new small version file；
The version file replaced in advance to new small version file backs up；
The version file replaced in advance is replaced using new small version file, and discharges the version text for the pre- replacement having backed up
Part；
Remaining old small version file is successively taken out, and decompressed, difference upgrading, compression, back up and update replacement.
7. according to claim 1 divide the method for realizing compressed version upgrading using version, which is characterized in that
It is described that successively old small version file is decompressed, difference upgrading, compresses and update replacement, it is in RAM to each
Old small version file is decompressed, difference upgrades and compression, is updated and is replaced to the small version file in every Geju City in FLASH
It changes.
8. a kind of divide the system for realizing compressed version upgrading using version characterized by comprising version divides module, version
This production module, upgrade package constructing module and difference upgraded module, wherein
The version divides module, for the segmentation length according to setting, divides original version file and new edition file；
The version makes module, for individually being compressed to the original version file after segmentation and constructing BIN file；
The upgrade package constructing module, for constructing the difference upgrade package of original version file and new edition file after dividing；
The difference upgraded module successively decompresses the original version file after segmentation, difference upgrading, compresses and update
Replacement.
9. according to claim 8 divide the system for realizing compressed version upgrading using version, which is characterized in that
The version segmentation module divides original version file and new edition file for the segmentation length according to setting respectively
It is cut into small version file and Version Description file.
10. according to claim 8 divide the system for realizing compressed version upgrading using version, which is characterized in that
The difference upgraded module decompresses the original version file after segmentation, difference upgrading and compression, is obtained new
Small version file；The version file replaced in advance to new small version file backs up；It is replaced using new small version file
The version file replaced in advance, and discharge the version file for the pre- replacement having backed up.
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Application publication date: 20190129 |