CN106909404A - Oftware updating method and system - Google Patents
Oftware updating method and system Download PDFInfo
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- CN106909404A CN106909404A CN201510973799.7A CN201510973799A CN106909404A CN 106909404 A CN106909404 A CN 106909404A CN 201510973799 A CN201510973799 A CN 201510973799A CN 106909404 A CN106909404 A CN 106909404A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/658—Incremental updates; Differential updates
Abstract
The present invention relates to a kind of Oftware updating method and system.The above method is comprised the following steps：Receive the identification information of the software sent by client；Whether needed to update according to identification information judgment software；If software needs to update, the Jiu Bao and Xin Bao with identification information match are obtained, and generate the first mapping corresponding with old bag respectively and mapped with newly wrapping corresponding second；Compare the first mapping and the second mapping, the constant listed files that is maintained, increase listed files and renewal listed files；According to increase listed files by increased file write-in AKU；According to update listed files generate each renewal file differential file and write AKU；According to keeping constant listed files, increase listed files and update that listed files generation is corresponding and keep constant fileinfo, the fileinfo of increased fileinfo and renewal and write AKU；AKU is sent to client.Above-mentioned Oftware updating method and system, can reduce the flow for downloading consumption.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of Oftware updating method and system.
Background technology
When software needs to be updated, in conventional manner, usually need that the terminal of software, example are installed
Such as mobile phone, panel computer, laptop computer download from a server complete newest installation kit, have downloaded
Cheng Houzai is installed.But as the upgrading of software updates, complete newest installation kit can be increasing,
Generally require to occupy larger bandwidth when being downloaded and consume substantial amounts of flow, the time of download is also more next
It is more long.
The content of the invention
Based on this, it is necessary to provide a kind of Oftware updating method, can effectively reduce when installation kit is downloaded and occupy
Bandwidth and consumption flow, shorten download time.
Additionally, there is a need to a kind of software update system of offer, can effectively reduce when installation kit is downloaded and occupy
Bandwidth and consumption flow, shorten download time.
A kind of Oftware updating method, comprises the following steps：
Receive the identification information of the software sent by client；
Whether the software according to the identification information judgment needs to update；
If the software needs to update, the Jiu Bao and Xin Bao with the identification information match are obtained, and respectively
Generation maps with the old bag corresponding first and is mapped with the new bag corresponding second；
Compare first mapping and the described second mapping, the constant listed files that is maintained, increase file row
Table and renewal listed files；
According to the increase listed files by increased file write-in AKU；
The differential file of the file of each renewal is generated according to the renewal listed files, by the differential file
In writing the AKU；
Constant listed files is kept, increase listed files and updates the corresponding guarantor of listed files generation according to described
Hold the fileinfo of constant fileinfo, increased fileinfo and renewal；
The fileinfo write-in of the holding constant fileinfo, increased fileinfo and renewal is described
In AKU；
The AKU is sent to the client.
Wherein in one embodiment, the identification information includes identifier and version number, the acquisition and institute
State the Jiu Bao and Xin Bao of identification information match, and generate respectively the first mapping corresponding with the old bag and with institute
The step of newly wrap corresponding second mapping is stated, is specifically included：
Obtain and the identifier and the old bag of version numbers match；
Read the filename and corresponding summary info of each file in the old bag；
Mapped according to the filename of each file in the old bag and corresponding summary info generation first；
Obtain the new bag with the identifier match；
Read the filename and corresponding summary info of each file in the new bag；
Mapped according to the filename of each file in the new bag and corresponding summary info generation second.
Wherein in one embodiment, it is described the AKU is sent to the client the step of before,
Also include：
Obtain the signature file of the new bag；
The signature file is write into the AKU.
A kind of Oftware updating method, comprises the following steps：
The identification information of software is obtained, and renewal request is sent to service end according to the identification information；
If the software needs to update, AKU is downloaded, and generate installation kit；
The constant fileinfo of holding in the AKU is from the old bag with the identification information match
The constant file of corresponding holding is obtained, and by the constant file write-in installation kit of the holding；
Increased fileinfo in the AKU obtains increased file from the AKU, and
By in the increased file write-in installation kit；
The fileinfo of the renewal in the AKU obtains the file of each renewal from the AKU
Differential file, by the differential file and each corresponding Piece file mergence in the old bag, and will merge after
File write the installation kit；
Call preset interface that the installation kit is installed, complete the renewal of the software.
Wherein in one embodiment, the step of the renewal for calling preset interface to complete the software it
Before, also include：
The signature file in the AKU is obtained, and by the signature file write-in installation kit；
The channel number of the old bag is read, by the channel number write-in installation kit, corresponding canal is generated
Road updates bag.
A kind of software update system, including：
Receiver module, the identification information for receiving the software sent by client；
Whether judge module, need to update for the software according to the identification information judgment；
Generation mapping block, if needing to update for the software, obtains and the identification information match
Jiu Bao and Xin Bao, and generate respectively the first mapping corresponding with the old bag and with the new bag corresponding second
Mapping；
Comparison module, for comparing first mapping and the described second mapping, be maintained constant file row
Table, increase listed files and renewal listed files；
Writing module, for according to it is described increase listed files by increased file write AKU in；
Said write module is additionally operable to the difference text of the file that each renewal is generated according to the renewal listed files
Part, by the differential file write-in AKU；
Generation file information block, for keeping constant listed files, increasing listed files and more according to described
The file letter of the corresponding holding of new file list generation constant fileinfo, increased fileinfo and renewal
Breath；
Said write module is additionally operable to the constant fileinfo of the holding, increased fileinfo and renewal
Fileinfo write the AKU；
Sending module, for the AKU to be sent into the client.
Wherein in one embodiment, the identification information includes identifier and version number, the generation mapping
Module includes：
Acquiring unit, for obtaining the old bag with the identifier and version numbers match；
Reading unit, filename and corresponding summary info for reading each file in the old bag；
Generation unit, for being generated according to the filename of each file in the old bag and corresponding summary info
First mapping；
The acquiring unit is additionally operable to obtain the new bag with the identifier match；
The reading unit is additionally operable to read the filename and corresponding summary letter of each file in the new bag
Breath；
The generation unit is additionally operable to filename and corresponding summary info according to each file in the new bag
Generation second maps.
Wherein in one embodiment, the software update system also includes：
Acquisition module, the signature file for obtaining the new bag；
Said write module is additionally operable to for the signature file to write the AKU.
A kind of software update system, including：
Sending module, the identification information for obtaining software, and sent to service end according to the identification information
Update request；
Download module, if needing to update for the software, downloads AKU, and generate installation kit；
Writing module, believes for the constant fileinfo of the holding in the AKU from the mark
The constant file of corresponding holding is obtained in the old bag for ceasing matching, and keeps constant file to write institute by described
In stating installation kit；
Said write module is additionally operable to increased fileinfo in the AKU from the AKU
Increased file is obtained, and by the increased file write-in installation kit；
Said write module is additionally operable to the fileinfo of the renewal in the AKU from the AKU
The differential file of the file of each renewal is obtained, by the differential file and each corresponding text in the old bag
Part merges, and by the file write-in installation kit after merging；
Module is installed, for calling preset interface to install the installation kit, the renewal of the software is completed.
Wherein in one embodiment, said write module is additionally operable to obtain the signature file in the AKU,
And by the signature file write-in installation kit；
Read module, the channel number for reading the old bag, during the channel number write into the installation kit,
Generate corresponding channel and update bag.
Above-mentioned Oftware updating method and system, service end are obtained by after the mapping of the Jiu Bao and new bag of comparison software
To different listed files, the differential file of increased file and more new file, energy are only write in AKU
Enough greatly reduce the data volume of AKU, when client is when being downloaded, without take substantial amounts of bandwidth and
Flow, economizes on resources, and effectively increases speed of download, time-consuming.
Additionally, client can read the old channel number of software and generate corresponding channel updates bag, when
Software possesses when being updated by all kinds of means, and service end need to only preserve the corresponding installation kit of each version number i.e.
Can, without generating different installation kits for different channels, simplify the renewal of the version by all kinds of means of software
Step, and effectively reduce the maintenance cost of service end.
Brief description of the drawings
Fig. 1 is the system architecture diagram of Oftware updating method in one embodiment；
Fig. 2 is the schematic flow sheet of Oftware updating method in one embodiment；
Fig. 3 is the schematic flow sheet of the mapping of service end generation first and the second mapping in one embodiment；
Fig. 4 is the schematic flow sheet of Oftware updating method in another embodiment；
Fig. 5 is the schematic flow sheet of client generation channel renewal bag in one embodiment；
Fig. 6 is the structural representation of software update system in one embodiment；
Fig. 7 is the internal structure schematic diagram of generation mapping block in one embodiment；
Fig. 8 is the structural representation of software update system in another embodiment；
Fig. 9 is the structural representation of software update system in another embodiment.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with accompanying drawing and reality
Example is applied, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
It is used to explain the present invention, is not intended to limit the present invention.
As shown in figure 1, Fig. 1 is the system architecture diagram of Oftware updating method in one embodiment, client 10
Two-way communication is realized with service end 20.
Client 10 obtains the identification information of software, and sends renewal to service end 20 according to the identification information
Request.Service end 20 receives the identification information sent by client 10, is according to identification information judgment software
It is no to need to update.If the software needs to update, service end 20 obtain with the Jiu Bao of identification information match with it is new
Bag, and generate the first mapping corresponding with old bag respectively and mapped with newly wrapping corresponding second.Service end 20 compares
Compared with the first mapping and the second mapping, the constant listed files that is maintained, increase listed files and more new file row
Table.Service end 20 is arranged according to listed files is increased by increased file write-in AKU according to more new file
Table generate each renewal file differential file, and by differential file write AKU in, further according to holding
Constant listed files, increase listed files and the constant fileinfo of the corresponding holding of renewal listed files generation,
Increased fileinfo and the fileinfo of renewal, then will keep constant fileinfo, increased file
In information and the fileinfo of renewal write-in AKU.AKU is sent to client 10 by service end 20.Visitor
The AKU is downloaded at family end 10, and generates installation kit.Holding of the client 10 in AKU is constant
Fileinfo obtains the constant file of corresponding holding from the old bag with identification information match, and will keep not
In the file write-in installation kit of change.Increased fileinfo of the client 10 in AKU is from AKU
Increased file is obtained, and by increased file write-in installation kit.Client 10 according in AKU more
New fileinfo obtains the differential file of the file of each renewal from AKU, by differential file and Jiu Bao
In each corresponding Piece file mergence, and by after merging file write-in installation kit in.Then client 10 is called
Preset interface installs the installation kit, completes the renewal of software.
As shown in Fig. 2 a kind of Oftware updating method, including service end and client, retouched from service end
State, comprise the following steps：
Step S202, receives the identification information of the software sent by client.
Specifically, client is asked to the renewal that service end sends the identification information with software, the mark of software
Knowledge information includes the information such as identifier and version number.
Whether step S204, need to update according to identification information judgment software, if so, step S208 is then performed,
If it is not, then performing step S206.
Specifically, after service end receives the identification information of the software sent by client, can be in software database
Middle lookup and the software of the identifier match, and more redaction further judged whether according to version number,
If in the presence of more redaction, the software needs to be updated, if not existing more redaction, is returned to client
Return and indicate without renewal.
Step S206, returns to client and indicates without renewal.
Step S208, obtains the Jiu Bao and Xin Bao with identification information match, and generate respectively corresponding with old bag
First maps and is mapped with newly wrapping corresponding second.
If specifically, software needs to be updated, obtaining the Jiu Bao and Xin Bao with identification information match, its
In, old bag refers to old installation kit corresponding with the version number in identification information, and newly wraps that to refer to this soft
The installation kit of the latest edition of part.
In one embodiment, as shown in figure 3, step obtains the Jiu Bao and Xin Bao with identification information match,
And generate the first mapping corresponding with old bag respectively and mapped with newly wrapping corresponding second, specifically include following step
Suddenly：
Step S302, obtains the old bag with identifier and version numbers match.
Specifically, service end can be looked into first according to identifier in software database points to corresponding software, then root
Corresponding old bag is obtained according to version number.
Step S304, reads the filename and corresponding summary info of each file in old bag.
Specifically, after service end obtains old bag, its solution can be depressed into CACHE DIRECTORY, then read wherein
MANIFEST.MF files under META-INF catalogues, the MANIFEST.MF file records are had been friends in the past bag
In each file filename and corresponding SHA1 (Secure Hash Algorithm, Secure Hash Algorithm)
Summary info.Secure Hash Algorithm is primarily adapted for use in DSS (Digital Signature Standard
DSS) the Digital Signature Algorithm (Digital Signature Algorithm DSA) that the inside defines, SHA1 summaries
Information can be used for the integrality of inspection data, two different files its SHA1 summary infos for producing
It is different.
Step S306, maps according to the filename of each file in old bag and corresponding summary info generation first.
Specifically, after service end reads the filename and corresponding summary info of each file in old bag, can give birth to
Into the first mapping, the filename of each file can be and corresponding with filename as the key of the first mapping in old bag
SHA1 summary infos then as first mapping value.
Step S308, obtains the new bag with identifier match.
Specifically, service end can be looked into according to identifier in software database points to corresponding software, and obtain
The installation kit of the software latest edition, i.e., new bag.
Step S310, reads the filename and corresponding summary info of each file in new bag.
Specifically, after service end obtains new bag, its solution can be depressed into CACHE DIRECTORY, then read wherein
MANIFEST.MF files under META-INF catalogues, the MANIFEST.MF file records have new bag
In each file filename and corresponding SHA1 summary infos.
Step S312, maps according to the filename of each file in new bag and corresponding summary info generation second.
Specifically, the filename of each file can be and corresponding with filename as the key of the second mapping in new bag
SHA1 summary infos then as second mapping value.
Step S210, compares the first mapping and the second mapping, the constant listed files that is maintained, increase file
List and renewal listed files.
Specifically, whether service end is identical by comparing key and value in the first mapping and the second mapping, can
Whether older bag is identical with file in new bag, can obtain keeping constant listed files, increase listed files
And update three listed files of listed files.It is present in the filename in the first mapping and the second mapping simultaneously,
Its corresponding summary info is also identical, then this document is the file for keeping constant；It is present in first simultaneously to reflect
The filename penetrated in being mapped with second, but its corresponding summary info is different, then and this document is the text of renewal
Part；The filename during the first mapping exists only in the second mapping is not present in, then this document is increased text
Part.According to the result for comparing acquisition, three different listed files can be generated, in three listed files respectively
Comprising constant filename of file of filename, the filename of increased file and renewal of file of holding etc.
Information.
Step S212, according to increase listed files by increased file write-in AKU.
Specifically, service end can pre-build an AKU empty with the installation kit form identical of the software,
The installation kit form of such as software is apk (Android Package, Android installation kit), you can built in advance
Found a compressed file using apk as suffix of sky as AKU.Service end is according in increase listed files
Filename will newly wrap in corresponding increased compressing file write-in AKU.In other embodiments,
The AKU of sky can be in time set up according to flow.For example, being built when step S204 judges that software needs and updates
Empty AKU is found, or empty AKU is first set up in step S212, will increased further according to listed files is increased
Plus file write-in AKU in.
Step S214, according to the differential file that listed files generates the file of each renewal is updated, by difference text
In part write-in AKU.
Specifically, service end first obtains the file updated in new bag according to the filename updated in listed files,
Corresponding old edition file in old bag is obtained simultaneously, and using the binary system residual quantity instruments such as bsdiff, the text that will be updated
Part and old edition file carry out binary system contrast, two differential files of file are generated, then by differential file pressure
Abridge in AKU.On the basis of the mapping of contrast first and the second mapping, by binary system residual quantity instrument
The differential file of the file of each renewal is generated, the data volume of more new file in AKU can be greatly reduced, with
This saves flow required during client downloads, and shortens duration, and can avoid individually upgrading using increment again
When MD5 (Message Digest Algorithm MD5, Message Digest Algorithm 5) verification not by leading
Cause cannot complete the problem of increment upgrading.
Step S216, according to keeping, constant listed files, increase listed files and renewal listed files generation are right
That answers keeps the fileinfo of constant fileinfo, increased fileinfo and renewal.
Specifically, service end can be according to the constant listed files of holding, increase listed files and renewal listed files
The JSON of the fileinfo of the corresponding holding of generation constant fileinfo, increased fileinfo and renewal
(JavaScript Object Notation, JavaScript object representation) character string, keeps constant file
The content of corresponding listed files is included in the fileinfo of information, increased fileinfo and renewal.
Step S218, will keep the fileinfo of constant fileinfo, increased fileinfo and renewal to write
In entering AKU.
Specifically, service end can will keep the file of constant fileinfo, increased fileinfo and renewal
In the JSON character strings compression write-in AKU of information, client is facilitated to carry out software more according to this document information
Newly.
Step S220, client is sent to by AKU.
Specifically, AKU is sent to client by service end so that client completes the renewal of software.
Above-mentioned Oftware updating method, service end after the mapping of the Jiu Bao and new bag of comparison software by obtaining difference
Listed files, the differential file of increased file and more new file is only write in AKU, can be significantly
The data volume of AKU is reduced, when client is when being downloaded, without taking substantial amounts of bandwidth and flow,
Economize on resources, and effectively increase speed of download, it is time-consuming.
In one embodiment, above-mentioned Oftware updating method, before AKU is sent to client by step,
Also include：The signature file of new bag is obtained, signature file is write into AKU.
Specifically, there is its unique signature file in many different installation kits, included in the signature file
There are the information such as the digital certificate of bag name, manufacturer, the information in signature file can be used as the mark of each installation kit.
Service end can obtain the signature file of new bag, and by signature file compression write-in AKU, make AKU band
There is the mark of new bag, you can easily recognize the corresponding software of the AKU and version number.
Above-mentioned Oftware updating method, service end after the mapping of the Jiu Bao and new bag of comparison software by obtaining difference
Listed files, the differential file of increased file and more new file is only write in AKU, can be significantly
The data volume of AKU is reduced, when client is when being downloaded, without taking substantial amounts of bandwidth and flow,
Economize on resources, and effectively increase speed of download, it is time-consuming.
As shown in figure 4, a kind of Oftware updating method, including service end and client, retouched from client
State, comprise the following steps：
Step S402, obtains the identification information of software, and send renewal request to service end according to identification information.
Specifically, client can obtain the identification informations such as the identifier of software, version number, and sent out to service end
Send the renewal with the identification information to ask, whether needed more according to the identification information judgment software by service end
Newly.When software need not be updated, if that is, client receives indicating without renewal by service end transmission,
Software current version as latest edition can be pointed out, without being updated.
Step S404, if software needs to update, downloads AKU, and generate installation kit.
Specifically, if software needs to be updated, client downloads corresponding AKU from service end, and
One installation kit empty with AKU form identical of generation.
Step S406, the constant fileinfo of holding in AKU is from the old bag with identification information match
It is middle obtain it is corresponding keep constant file, and will keep constant file write-in installation kit.
Specifically, after client downloads AKU, can be solved from AKU extrude keep constant fileinfo,
The JSON character strings of increased fileinfo and the fileinfo of renewal.Client can read the text for keeping constant
Part information, and the constant file of the corresponding holding of extrusion is solved from old bag according to the constant fileinfo of the holding
Compression is written in installation kit, wherein, old bag is the corresponding installation kit of client current version software.
Step S408, the increased fileinfo in AKU obtains increased file from AKU,
And by increased file write-in installation kit.
Specifically, client can read increased fileinfo from AKU, and believed according to increased file
Breath is solved from AKU and extrudes corresponding increased file, then by increased compressing file write-in installation kit.
Step S410, the fileinfo of the renewal in AKU obtains the text of each renewal from AKU
The differential file of part, by differential file and each corresponding Piece file mergence in old bag, and by the file after merging
In write-in installation kit.
Specifically, client can read the fileinfo of renewal from AKU, further according to the file letter for updating
The differential file for being solved from AKU and extruding corresponding each file for updating is ceased, and according to the file letter for updating
Breath is solved from old bag and extrudes corresponding old edition file.Client can be using the binary difference divisions such as bspatch and work
Tool merges differential file and corresponding old edition file, and the compressing file after merging is write into installation kit
In.
Step S412, calls preset interface to install installation kit, completes the renewal of software.
Specifically, after the completion of installation kit write-in, client can call preset interface to be installed, software is completed
Renewal.
Above-mentioned Oftware updating method, service end after the mapping of the Jiu Bao and new bag of comparison software by obtaining difference
Listed files, the differential file of increased file and more new file is only write in AKU, can be significantly
The data volume of AKU is reduced, when client is when being downloaded, without taking substantial amounts of bandwidth and flow,
Economize on resources, and effectively increase speed of download, it is time-consuming.
As shown in figure 5, in one embodiment, call preset interface that installation kit is installed in step S412, it is complete
Into before the renewal of software, also include：
Step S502, obtains the signature file in AKU, and by signature file write-in installation kit.
Specifically, client can solve extrusion signature file from AKU, and signature file compression write-in is pacified
In dress bag, the information such as the digital certificate of bag name, manufacturer are included in signature file, the information in signature file
Can be used as the mark of installation kit.
Step S504, reads the channel number of old bag, by channel number write-in installation kit, generates corresponding channel
Update bag.
Specifically, when software possesses and updates by all kinds of means, carried in the installation kit of different channel different
Channel number, such as apk files of different channels, its channel number commonly writes the EOCD (End of end of file
Of central directory record) in field.Client can read the channel number of old bag, and channel number is write
In entering the specific fields of installation kit, generate corresponding channel and update bag, the specific fields need to meet can change and
Do not interfere with the correct opening of installation kit and use.For example in the EOCD fields of apk files there is one
Comment fields, Comment fields are usually located at the end of file, and its length is not fixed, Comment
The content of field can arbitrarily write and change, and only need to simultaneously change corresponding length does not influence apk files
Correctly open and use.Therefore, client can be from the EOCD fields of the corresponding old apk files of software
Channel number is read, and by the Comment fields of the EOCD fields of channel number write-in installation kit, it is right to generate
The channel answered updates bag.
Above-mentioned Oftware updating method, client can read the old channel number of software and generate corresponding canal
Road updates bag, and when software possesses to be updated by all kinds of means, it is corresponding that service end need to only preserve each version number
One installation kit, without generating different installation kits for different channels, simplifies many canals of software
The renewal step of road version, and effectively reduce the maintenance cost of service end.
As shown in fig. 6, a kind of software update system, including receiver module 610, judge module 620, generation
Mapping block 630, comparison module 640, writing module 650, generation file information block 660 and transmission mould
Block 670.
Receiver module 610, the identification information for receiving the software sent by client.
Specifically, client is asked to the renewal that service end sends the identification information with software, the mark of software
Knowledge information includes the information such as identifier and version number.
Judge module 620, for whether being needed to update according to identification information judgment software.
Specifically, after service end receives the identification information of the software sent by client, can be in software database
Middle lookup and the software of the identifier match, and more redaction further judged whether according to version number,
If in the presence of more redaction, the software needs to be updated, if not existing more redaction, is returned to client
Return and indicate without renewal.
Generation mapping block 630, if needing to update for the software, obtains the old bag with identification information match
And new bag, and generate the first mapping corresponding with old bag respectively and mapped with newly wrapping corresponding second.
If specifically, software needs to be updated, obtaining the Jiu Bao and Xin Bao with identification information match, its
In, old bag refers to old installation kit corresponding with the version number in identification information, and newly wraps that to refer to this soft
The installation kit of the latest edition of part.
As shown in fig. 7, in one embodiment, generation mapping block 630 includes acquiring unit 632, reads
Unit 634 and generation unit 636.
Acquiring unit 632, for obtaining the old bag with identifier and version numbers match.
Specifically, service end can be looked into first according to identifier in software database points to corresponding software, then root
Corresponding old bag is obtained according to version number.
Reading unit 634, filename and corresponding summary info for reading each file in old bag.
Specifically, after service end obtains old bag, its solution can be depressed into CACHE DIRECTORY, then read wherein
MANIFEST.MF files under META-INF catalogues, the MANIFEST.MF file records are had been friends in the past bag
In each file filename and corresponding SHA1 summary infos.Secure Hash Algorithm is primarily adapted for use in numeral
The Digital Signature Algorithm that signature standard the inside defines, SHA1 summary infos can be used for the complete of inspection data
Property, its SHA1 summary info for producing of two different files is also different.
Generation unit 636, for according to the filename of each file in old bag and corresponding summary info generation the
One mapping.
Specifically, after service end reads the filename and corresponding summary info of each file in old bag, can give birth to
Into the first mapping, the filename of each file can be and corresponding with filename as the key of the first mapping in old bag
SHA1 summary infos then as first mapping value.
Acquiring unit 632 is additionally operable to obtain the new bag with identifier match.
Specifically, service end can be looked into according to identifier in software database points to corresponding software, and obtain
The installation kit of the software latest edition, i.e., new bag.
Reading unit 634 is additionally operable to read the filename and corresponding summary info of each file in new bag.
Specifically, after service end obtains new bag, its solution can be depressed into CACHE DIRECTORY, then read wherein
MANIFEST.MF files under META-INF catalogues, the MANIFEST.MF file records have new bag
In each file filename and corresponding SHA1 summary infos.
Generation unit 636 is additionally operable to according to the filename of each file in new bag and the generation of corresponding summary info
Second mapping.
Specifically, the filename of each file can be and corresponding with filename as the key of the second mapping in new bag
SHA1 summary infos then as second mapping value.
Comparison module 640, for comparing the first mapping and the second mapping, be maintained constant listed files, increasing
Add file list and renewal listed files.
Specifically, whether service end is identical by comparing key and value in the first mapping and the second mapping, can
Whether older bag is identical with file in new bag, can obtain keeping constant listed files, increase listed files
And update three listed files of listed files.It is present in the filename in the first mapping and the second mapping simultaneously,
Its corresponding summary info is also identical, then this document is the file for keeping constant；It is present in first simultaneously to reflect
The filename penetrated in being mapped with second, but its corresponding summary info is different, then and this document is the text of renewal
Part；The filename during the first mapping exists only in the second mapping is not present in, then this document is increased text
Part.According to the result for comparing acquisition, three different listed files can be generated, in three listed files respectively
Comprising constant filename of file of filename, the filename of increased file and renewal of file of holding etc.
Information.
Writing module 650, for according to increase listed files by increased file write AKU in.
Specifically, service end can pre-build an AKU empty with the installation kit form identical of the software,
The installation kit form of such as software is apk, you can pre-build a text of the compression with apk as suffix of sky
Part is used as AKU.Service end according to increase listed files in filename will newly wrap in corresponding increased text
In part compression write-in AKU.In other embodiments, it is also possible to set up the AKU of sky in time according to flow.
For example, empty AKU is set up when judging that software needs to update, or when needing to write increased file
Resettle the AKU of sky.
Writing module 650 is additionally operable to the differential file of the file that each renewal is generated according to renewal listed files,
By in differential file write-in AKU.
Specifically, service end first obtains the file updated in new bag according to the filename updated in listed files,
Corresponding old edition file in old bag is obtained simultaneously, and using the binary system residual quantity instruments such as bsdiff, the text that will be updated
Part and old edition file carry out binary system contrast, two differential files of file are generated, then by differential file pressure
Abridge in AKU.On the basis of the mapping of contrast first and the second mapping, by binary system residual quantity instrument
The differential file of the file of each renewal is generated, the data volume of more new file in AKU can be greatly reduced, with
This saves flow required during client downloads, and shortens duration, and can avoid individually upgrading using increment again
When MD5 verification not by lead to not complete increment upgrade problem.
Generation file information block 660, for according to the constant listed files of holding, increase listed files and renewal
The fileinfo of the corresponding holding of listed files generation constant fileinfo, increased fileinfo and renewal.
Specifically, service end can be according to the constant listed files of holding, increase listed files and renewal listed files
The JSON words of the fileinfo of the corresponding holding of generation constant fileinfo, increased fileinfo and renewal
Symbol string, i.e. comprising correspondence in the fileinfo of holding constant fileinfo, increased fileinfo and renewal
Listed files content.
Writing module 650 is additionally operable to the text of the fileinfo, increased fileinfo and renewal that will keep constant
In part information write-in AKU.
Specifically, service end can will keep the file of constant fileinfo, increased fileinfo and renewal
In the JSON character strings compression write-in AKU of information, client is facilitated to carry out software more according to this document information
Newly.
Sending module 670, for AKU to be sent into client.
Specifically, AKU is sent to client by service end so that client completes the renewal of software.
Above-mentioned software update system, service end after the mapping of the Jiu Bao and new bag of comparison software by obtaining difference
Listed files, the differential file of increased file and more new file is only write in AKU, can be significantly
The data volume of AKU is reduced, when client is when being downloaded, without taking substantial amounts of bandwidth and flow,
Economize on resources, and effectively increase speed of download, it is time-consuming.
In one embodiment, above-mentioned software update system, except including receiver module 610, judge module
620th, generation mapping block 630, comparison module 640, writing module 650, generation file information block 660
With sending module 670, also including acquisition module.
Acquisition module, the signature file for obtaining new bag.
Writing module 650 is additionally operable to for the signature file to write AKU.
Specifically, there is its unique signature file in many different installation kits, included in the signature file
There are the information such as the digital certificate of bag name, manufacturer, the information in signature file can be used as the mark of each installation kit.
Service end can obtain the signature file of new bag, and by signature file compression write-in AKU, make AKU band
There is the mark of new bag, you can easily recognize the corresponding software of the AKU and version number.
Above-mentioned software update system, service end after the mapping of the Jiu Bao and new bag of comparison software by obtaining difference
Listed files, the differential file of increased file and more new file is only write in AKU, can be significantly
The data volume of AKU is reduced, when client is when being downloaded, without taking substantial amounts of bandwidth and flow,
Economize on resources, and effectively increase speed of download, it is time-consuming.
As shown in figure 8, in another embodiment, a kind of software update system, including sending module 810,
Download module 820, writing module 830 and installation module 840.
Sending module 810, the identification information for obtaining software, and sent more to service end according to identification information
New request.
Specifically, client can obtain the identification informations such as the identifier of software, version number, and sent out to service end
Send the renewal with the identification information to ask, whether needed more according to the identification information judgment software by service end
Newly.When software need not be updated, if that is, client receives indicating without renewal by service end transmission,
Software current version as latest edition can be pointed out, without being updated.
Download module 820, if needing to update for software, downloads AKU, and generate installation kit.
Specifically, if software needs to be updated, client downloads corresponding AKU from service end, and
One installation kit empty with AKU form identical of generation.
Writing module 830, for the constant fileinfo of holding in AKU from identification information match
Old bag in obtain it is corresponding keep constant file, and will keep constant file write-in installation kit.
Specifically, after client downloads AKU, can be solved from AKU extrude keep constant fileinfo,
The JSON character strings of increased fileinfo and the fileinfo of renewal.Client can read the text for keeping constant
Part information, and the constant file of the corresponding holding of extrusion is solved from old bag according to the constant fileinfo of the holding
Compression is written in installation kit, wherein, old bag is the corresponding installation kit of client current version software.
The increased fileinfo that writing module 830 is additionally operable in AKU obtains increase from AKU
File, and by increased file write installation kit in.
Specifically, client can read increased fileinfo from AKU, and believed according to increased file
Breath is solved from AKU and extrudes corresponding increased file, then by increased compressing file write-in installation kit.
The fileinfo that writing module 830 is additionally operable to the renewal in AKU obtains each from AKU
The differential file of the file of renewal, by differential file and each corresponding Piece file mergence in old bag, and will merge
In file write-in installation kit afterwards.
Specifically, client can read the fileinfo of renewal from AKU, further according to the file letter for updating
The differential file for being solved from AKU and extruding corresponding each file for updating is ceased, and according to the file letter for updating
Breath is solved from old bag and extrudes corresponding old edition file.Client can be using the binary difference divisions such as bspatch and work
Tool merges differential file and corresponding old edition file, and the compressing file after merging is write into installation kit
In.
Module 840 is installed, for calling preset interface to install installation kit, the renewal of software is completed.
Specifically, after the completion of installation kit write-in, client can call preset interface to be installed, software is completed
Renewal.
Above-mentioned software update system, service end after the mapping of the Jiu Bao and new bag of comparison software by obtaining difference
Listed files, the differential file of increased file and more new file is only write in AKU, can be significantly
The data volume of AKU is reduced, when client is when being downloaded, without taking substantial amounts of bandwidth and flow,
Economize on resources, and effectively increase speed of download, it is time-consuming.
As shown in figure 9, in one embodiment, above-mentioned software update system, except including sending module 810,
Download module 820, writing module 830 and installation module 840, also including read module 850.
Writing module 830 is additionally operable to obtain the signature file in AKU, and signature file is write into installation kit
In.
Specifically, client can solve extrusion signature file from AKU, and signature file compression write-in is pacified
In dress bag, the information such as the digital certificate of bag name, manufacturer are included in signature file, the information in signature file
Can be used as the mark of installation kit.
Read module 850, the channel number for reading old bag, by channel number write-in installation kit, generation is corresponding
Channel update bag.
Specifically, when software possesses and updates by all kinds of means, carried in the installation kit of different channel different
Channel number, such as apk files of different channels, its channel number commonly writes the EOCD fields of end of file
In.Client can read the channel number of old bag, and by the specific fields of channel number write-in installation kit, generate
Corresponding channel updates bag, the specific fields need to meet the correct opening that can change and not interfere with installation kit and
Use.For example there is a Comment field in the EOCD fields of apk files, Comment fields are usual
Positioned at the end of file, and its length is not fixed, and the content of Comment fields can arbitrarily write and change,
Only need to simultaneously change corresponding length does not influence the correct opening of apk files and uses.Therefore, client
Channel number can be read from the EOCD fields of the corresponding old apk files of software, and channel number is write into peace
In the Comment fields of the EOCD fields for filling bag, generate corresponding channel and update bag.
Above-mentioned software update system, client can read the old channel number of software and generate corresponding canal
Road updates bag, and when software possesses to be updated by all kinds of means, it is corresponding that service end need to only preserve each version number
One installation kit, without generating different installation kits for different channels, simplifies many canals of software
The renewal step of road version, and effectively reduce the maintenance cost of service end.
Each technical characteristic of embodiment described above can be combined arbitrarily, not right to make description succinct
The all possible combination of each technical characteristic in above-described embodiment is all described, as long as however, these skills
The combination of art feature does not exist contradiction, is all considered to be the scope of this specification record.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that for this area
For those of ordinary skill, without departing from the inventive concept of the premise, some deformations can also be made and changed
Enter, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be defined.
Claims (10)
1. a kind of Oftware updating method, it is characterised in that comprise the following steps：
Receive the identification information of the software sent by client；
Whether the software according to the identification information judgment needs to update；
If the software needs to update, the Jiu Bao and Xin Bao with the identification information match are obtained, and respectively
Generation maps with the old bag corresponding first and is mapped with the new bag corresponding second；
Compare first mapping and the described second mapping, the constant listed files that is maintained, increase file row
Table and renewal listed files；
According to the increase listed files by increased file write-in AKU；
The differential file of the file of each renewal is generated according to the renewal listed files, by the differential file
In writing the AKU；
Constant listed files is kept, increase listed files and updates the corresponding guarantor of listed files generation according to described
Hold the fileinfo of constant fileinfo, increased fileinfo and renewal；
The fileinfo write-in of the holding constant fileinfo, increased fileinfo and renewal is described
In AKU；
The AKU is sent to the client.
2. Oftware updating method according to claim 1, it is characterised in that the identification information includes
Identifier and version number, the Jiu Bao and Xin Bao of the acquisition and the identification information match, and respectively generation with
The step of old bag corresponding first maps and mapped with the new bag corresponding second, specifically includes：
Obtain and the identifier and the old bag of version numbers match；
Read the filename and corresponding summary info of each file in the old bag；
Mapped according to the filename of each file in the old bag and corresponding summary info generation first；
Obtain the new bag with the identifier match；
Read the filename and corresponding summary info of each file in the new bag；
Mapped according to the filename of each file in the new bag and corresponding summary info generation second.
3. Oftware updating method according to claim 1 and 2, it is characterised in that it is described will be described
Before the step of AKU is sent to the client, also include：
Obtain the signature file of the new bag；
The signature file is write into the AKU.
4. a kind of Oftware updating method, it is characterised in that comprise the following steps：
The identification information of software is obtained, and renewal request is sent to service end according to the identification information；
If the software needs to update, AKU is downloaded, and generate installation kit；
The constant fileinfo of holding in the AKU is from the old bag with the identification information match
The constant file of corresponding holding is obtained, and by the constant file write-in installation kit of the holding；
Increased fileinfo in the AKU obtains increased file from the AKU, and
By in the increased file write-in installation kit；
The fileinfo of the renewal in the AKU obtains the file of each renewal from the AKU
Differential file, by the differential file and each corresponding Piece file mergence in the old bag, and will merge after
File write the installation kit；
Call preset interface that the installation kit is installed, complete the renewal of the software.
5. Oftware updating method according to claim 4, it is characterised in that call default connecing described
Before the step of mouth completes the renewal of the software, also include：
The signature file in the AKU is obtained, and by the signature file write-in installation kit；
The channel number of the old bag is read, by the channel number write-in installation kit, corresponding canal is generated
Road updates bag.
6. a kind of software update system, it is characterised in that including：
Receiver module, the identification information for receiving the software sent by client；
Whether judge module, need to update for the software according to the identification information judgment；
Generation mapping block, if needing to update for the software, obtains and the identification information match
Jiu Bao and Xin Bao, and generate respectively the first mapping corresponding with the old bag and with the new bag corresponding second
Mapping；
Comparison module, for comparing first mapping and the described second mapping, be maintained constant file row
Table, increase listed files and renewal listed files；
Writing module, for according to it is described increase listed files by increased file write AKU in；
Said write module is additionally operable to the difference text of the file that each renewal is generated according to the renewal listed files
Part, by the differential file write-in AKU；
Generation file information block, for keeping constant listed files, increasing listed files and more according to described
The file letter of the corresponding holding of new file list generation constant fileinfo, increased fileinfo and renewal
Breath；
Said write module is additionally operable to the constant fileinfo of the holding, increased fileinfo and renewal
Fileinfo write the AKU；
Sending module, for the AKU to be sent into the client.
7. software update system according to claim 6, it is characterised in that the identification information includes
Identifier and version number, the generation mapping block include：
Acquiring unit, for obtaining the old bag with the identifier and version numbers match；
Reading unit, filename and corresponding summary info for reading each file in the old bag；
Generation unit, for being generated according to the filename of each file in the old bag and corresponding summary info
First mapping；
The acquiring unit is additionally operable to obtain the new bag with the identifier match；
The reading unit is additionally operable to read the filename and corresponding summary letter of each file in the new bag
Breath；
The generation unit is additionally operable to filename and corresponding summary info according to each file in the new bag
Generation second maps.
8. the software update system according to claim 6 or 7, it is characterised in that the software upgrading
System also includes：
Acquisition module, the signature file for obtaining the new bag；
Said write module is additionally operable to for the signature file to write the AKU.
9. a kind of software update system, it is characterised in that including：
Sending module, the identification information for obtaining software, and sent to service end according to the identification information
Update request；
Download module, if needing to update for the software, downloads AKU, and generate installation kit；
Writing module, believes for the constant fileinfo of the holding in the AKU from the mark
The constant file of corresponding holding is obtained in the old bag for ceasing matching, and keeps constant file to write institute by described
In stating installation kit；
Said write module is additionally operable to increased fileinfo in the AKU from the AKU
Increased file is obtained, and by the increased file write-in installation kit；
Said write module is additionally operable to the fileinfo of the renewal in the AKU from the AKU
The differential file of the file of each renewal is obtained, by the differential file and each corresponding text in the old bag
Part merges, and by the file write-in installation kit after merging；
Module is installed, for calling preset interface to install the installation kit, the renewal of the software is completed.
10. software update system according to claim 9, it is characterised in that said write module is also
For obtaining the signature file in the AKU, and by the signature file write-in installation kit；
Read module, the channel number for reading the old bag, during the channel number write into the installation kit,
Generate corresponding channel and update bag.
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| CN109871227A (en) * | 2017-12-05 | 2019-06-11 | 卓望数码技术（深圳）有限公司 | A kind of method for upgrading software and device based on second differnce increment |
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| CN108710501A (en) * | 2018-04-28 | 2018-10-26 | 维沃移动通信有限公司 | A kind of method and terminal of update application |
| CN111090446A (en) * | 2019-12-20 | 2020-05-01 | 北京海益同展信息科技有限公司 | Configuration file updating method and system |
| CN111142924A (en) * | 2020-01-21 | 2020-05-12 | 江苏艾佳家居用品有限公司 | Application increment updating method based on Bsdiff method |
| CN113326059A (en) * | 2020-02-28 | 2021-08-31 | 腾讯科技（深圳）有限公司 | Resource updating method, device and storage medium |
| CN113326059B (en) * | 2020-02-28 | 2024-04-26 | 腾讯科技（深圳）有限公司 | Resource updating method, device and storage medium |
| CN112416386A (en) * | 2020-10-26 | 2021-02-26 | 北京一亩田新农网络科技有限公司 | Method, device, system and medium for software upgrading |
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