CN103412777A - Updating method and system for synchronizing packed files with specified versions - Google Patents
Updating method and system for synchronizing packed files with specified versions Download PDFInfo
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- CN103412777A CN103412777A CN2013103507193A CN201310350719A CN103412777A CN 103412777 A CN103412777 A CN 103412777A CN 2013103507193 A CN2013103507193 A CN 2013103507193A CN 201310350719 A CN201310350719 A CN 201310350719A CN 103412777 A CN103412777 A CN 103412777A
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Abstract
The invention discloses an updating method and system for synchronizing packed files with specified versions. The method is different from traditional step-by-step updating methods, according to the method, the packed files of original versions are updated to the target versions in one step, only updating instructions are required to be generated through scanning files of the packed files, and finally, the instructions are executed. The method and the system are simple and rapid to implement, time and flow can be saved, and especially for updating of the large packed files, the method and the system are fast and convenient in updating.
Description
Technical field
The present invention relates to the renewal of packaging file, particularly a kind of update method and system that packaging file is synchronized to indicated release.
Background technology
The packaging file that client is used often needs to upgrade, what these packaging files were more is to receive from service end, when the packaging file of service end upgrades, if the packaging file of software class, illustrate that software installation version has carried out upgrading or upgrading, corresponding client needs synchronously to upgrade.Existing edition upgrading mode, be to carry out step by step, such as, if current version is 2.0, need to be upgraded to 5.0, current version 2.0 need to first be upgraded to 3.0, then is upgraded to 4.0 by 3.0, is upgraded to 5.0 afterwards again.This upgrading mode is more consuming time, the download needed or the flow of transmission are also larger, if the renewal of large-scale packaging file, this update mode is impracticable beyond doubt, for the new software class packaging file occurred, often because technology is immature, need to often upgrade, make version change more frequent, this same update mode, can't meet consumers' demand.For this reason, need a kind of new upgrading mode, when from an edition upgrading to another version, do not need to carry out step by step, but can directly from current version, be upgraded to required version.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of update method and system that packaging file is synchronized to indicated release, can directly the packaging file of current version be upgraded to required version, reduce update time and network traffics.
The present invention solves the technical scheme that its problem adopts:
A kind of update method that packaging file is synchronized to indicated release comprises:
Respectively all data blocks in former packaging file and purpose packaging file are scanned, generate corresponding former scanning document and purpose scanning document in order to record the scanning information of data block in packaging file separately;
The all data blocks that record in the purpose scanning document are scanned respectively in former scanning document, if find identical block, generate corresponding data block move, if do not find identical data block, generate corresponding data block and add instruction; And
The data block move carry out generated one by one and data block are added instruction, and the data block in the corresponding former packaging file of movement and add corresponding data block to former packaging file is updated to the purpose packaging file by former packaging file.
The position of the digital digest, data block that the scanning information of described former scanning document and purpose scanning document record comprises version number, the data block of corresponding packaging file in corresponding packaging file and path and the off-set value of size, data block source file in corresponding packaging file.
The digital digest of described data block is generated by the digital digest algorithm, and the digital digest difference of different pieces of information piece.
It is described when all data blocks that record in the purpose scanning document are scanned respectively in former scanning document, so that the digital digest of correlation data piece is whether identical, judge whether the data block recorded in the purpose scanning document is identical with the data block recorded in former scanning document, when identical, for finding identical block, otherwise, for not finding identical block.
Described data block move comprises the address of identical block in former packaging file and big or small, the address of this identical block in the purpose packaging file found.
Described data block is added instruction and is comprised address and the size of corresponding data piece in the purpose packaging file, and path and the off-set value of this data block source file in the purpose packaging file.
Described method further comprises:
The data block move of generation and data block interpolation instruction are write to the update instruction file, and described update instruction file is for scanning all data blocks that record in the purpose scanning document respectively the empty file generated while starting in former scanning document.
Described when data block is added to instruction and write to the update instruction file, the data block that needs are added in former packaging file writes to the update instruction file.
Described method further comprises:
Load the update instruction file, data block move and the data block carried out are one by one wherein added instruction, and the data block in the corresponding former packaging file of movement and add corresponding data block to former packaging file is updated to the purpose packaging file by former packaging file.
A kind of renewal system that packaging file is synchronized to indicated release comprises:
Scan module, scan for all data blocks to former packaging file and purpose packaging file respectively, generates corresponding former scanning document and purpose scanning document in order to record the scanning information of data block in packaging file separately;
The instruction generation module, for all data blocks that the purpose scanning document is recorded, in former scanning document, scan respectively, if find identical block, generate corresponding data block move, if do not find identical data block, generate corresponding data block and add instruction; And
The instruction execution module, add instruction for the data block move and the data block that carry out to generate one by one, and the data block in the corresponding former packaging file of movement and add corresponding data block to former packaging file is updated to the purpose packaging file by former packaging file.
The position of the digital digest, data block that the scanning information of described former scanning document and purpose scanning document record comprises version number, the data block of corresponding packaging file in corresponding packaging file and path and the off-set value of size, data block source file in corresponding packaging file.
The digital digest of described data block is generated by the digital digest algorithm, and the digital digest difference of different pieces of information piece.
It is described when all data blocks that record in the purpose scanning document are scanned respectively in former scanning document, so that the digital digest of correlation data piece is whether identical, judge whether the data block recorded in the purpose scanning document is identical with the data block recorded in former scanning document, when identical, for finding identical block, otherwise, for not finding identical block.
Described data block move comprises the address of identical block in former packaging file and big or small, the address of this identical block in the purpose packaging file found.
Described data block is added instruction and is comprised address and the size of corresponding data piece in the purpose packaging file, and path and the off-set value of this data block source file in the purpose packaging file.
Described system also comprises:
The command file generation module, for the data block move of generation and data block interpolation instruction are write to the update instruction file, described update instruction file is for scanning all data blocks that record in the purpose scanning document respectively the empty file generated while starting in former scanning document.
Described when data block is added to instruction and write to the update instruction file, the data block that needs are added in former packaging file writes to the update instruction file.
Described system also comprises:
The command file execution module, for loading the update instruction file, data block move and the data block carried out are one by one wherein added instruction, and the data block in the corresponding former packaging file of movement and add corresponding data block to former packaging file is updated to the purpose packaging file by former packaging file.
The invention has the beneficial effects as follows:
A kind of update method and system that packaging file is synchronized to indicated release that the present invention adopts, once the packaging file of original version is updated to the purpose version, save time and flow, especially for the renewal of large-scale packaging file, the present invention more can show quick, the convenience of its renewal.
The accompanying drawing explanation
The invention will be further described below in conjunction with accompanying drawing and example.
Fig. 1 is edition upgrading process schematic diagram of the present invention;
Fig. 2 is packaging file upgrading schematic diagram of the present invention;
Fig. 3 is the method for the invention schematic flow sheet;
Fig. 4 is update instruction product process schematic diagram of the present invention;
Fig. 5 is instruction execution flow schematic diagram of the present invention;
Fig. 6 is the structure composition frame chart of system of the present invention.
Embodiment
With reference to shown in Figure 1, packaging file, when upgrading, if in a conventional manner, needs to upgrade step by step, as shown in FIG., if packaging file, from the version of 1.0 edition upgradings to 15.0, needs upgrading 14 times, obviously concerning the user, more consuming time, network traffics take larger.The present invention can be directly by packaging file by 1.0 edition upgrading to 15.0 versions, solve user's actual objective problem, especially for the packaging file of upgrading more greatly or when more frequent.
Schematic diagram with reference to packaging file upgrading shown in Figure 2, when upgrading, need the packaging file of upgrading to be called former packaging file, its version number is called master this shop, the packaging file that this former packaging file need to be upgraded to is called the purpose packaging file, and the version number that this purpose packaging file has is called purpose version number.Packaging file includes many source files, these source files are when storage, mode with data block is stored, the present invention scans respectively all data blocks in former packaging file and purpose packaging file, generate corresponding former scanning document and purpose scanning document, scanning document has recorded respectively the scanning information of data block in packaging file separately, afterwards, by the data block of purpose scanning document record and the data block of former scanning document, contrast, generate corresponding data block update instruction, former packaging file is carried out this update instruction, can complete renewal, upgrade to the purpose packaging file.Also the update instruction of generation can be write in a update instruction file, get final product by the instruction that loads this update instruction file and carry out wherein.Shown in figure, when scanning generates scanning document separately to packaging file, take and scan former packaging file and be example, at first read the version number of former packaging file, it is write in former scanning document, the empty file that this former scanning document generates while starting for scanning, afterwards, read each data block in former packaging file, and calculate respectively the digital digest of each data block, this digital digest can be calculated by different digital digest algorithms, as MD5 or CRC32 scheduling algorithm, as long as the digital digest of the different pieces of information piece calculated is different, digital digest by the corresponding data piece of calculating, the position of this data block and size, this data block source file path and off-set value in former packaging file write in former scanning document, after all data blocks in having scanned former packaging file, the end of scan also generates former scanning document.For the purpose scanning document, its method is same as described above.The version number that scanning document has recorded corresponding packaging file reaches the wherein relevant information of data block, and therefrom information extraction while its objective is as follow-up generation command adapted thereto, save time.
Process flow diagram with reference to the method for the invention shown in Figure 3, when former packaging file need to upgrade to certain purpose packaging file, former packaging file and purpose packaging file are scanned, generate corresponding former scanning document and purpose scanning document, two scanning documents have recorded respectively the scanning information of data block in packaging file separately, afterwards, all data blocks of purpose scanning document record are searched successively in former scanning document, if find, illustrate that this data block is existing data block in former packaging file, generated data piece move, if do not find, illustrate that this data block need to be added into former packaging file, the generated data piece adds instruction, former packaging file is carried out these instructions of generation successively, can complete renewal.When packaging file is upgraded, the packaging file of client is the packaging file obtained from service end, the present invention writes to the update instruction of generation in a update instruction file, as long as client is down loading updating command file execution instruction wherein, and do not need down loading updating file again to cover, in order to save time, reduce flow.
With reference to update instruction product process schematic diagram shown in Figure 4, during beginning, the master this shop of the former packaging file of input and the purpose version number of purpose packaging file, according to version number, load corresponding former scanning document and purpose scanning document.A recognition reaction mainly plays in version number, so that correctly load corresponding scanning document.After loading scanning document, from the purpose scanning document, successively reading the digital digest of institute's scan-data piece, and by the scanning search in former scanning document of this digital digest, if search identical digital digest, illustrate that this data block is Already in former packaging file, only need to move the position of this data block in former packaging file according to the position of this data block in the purpose packaging file gets final product, therefore, only need to generate corresponding data block move, described data block move comprises address and the size of this data block in former packaging file, the address of this data block in the purpose packaging file, when carrying out this data block move, this data block correctly can be moved in former packaging file, make former packaging file synchronize and upgrade with the purpose packaging file, on the contrary, if this digital digest does not search in former scanning document, illustrate that this data block is not present in former packaging file, now, need to add this data block in former packaging file, therefore, need to generate corresponding data block and add instruction, described data block is added instruction and is comprised address and the size of this data block in the purpose packaging file, and path and the off-set value of this data block source file in the purpose packaging file, when carrying out described data block interpolation instruction, this data block can be added into to the tram in former packaging file, make former packaging file synchronize and upgrade with the purpose packaging file.It should be noted that, when described instruction generated, the content that instruction comprises all can so just have been saved the time from corresponding scanning document, obtaining, and more convenient customer upgrade is upgraded.After all data blocks in the purpose scanning document read, illustrate that all data blocks have generated corresponding instruction, these instructions are write to one by one in the instruction updating file and get final product, the empty file that described update instruction file generates while being two scanning document scanning beginnings, because when the executing data piece adds instruction, need in former packaging file, add corresponding data block, the present invention is quick for what upgrade, more save time, when data block being added to instruction and writing the instruction updating file, the data block that needs are added writes in the instruction updating file simultaneously, like this, when the executing data piece adds instruction, can directly from the instruction updating file, obtaining, need the data block of adding, accelerate the updating speed of packaging file, certainly, in the instruction updating file, also can not write this data certificate, and directly from corresponding purpose packaging file, obtaining, just increase in time.
With reference to instruction execution flow schematic diagram shown in Figure 5, when service end is upgraded, directly carry out instruction and get final product, when client is upgraded, need to obtain the instruction updating file from service end, load this instruction updating file, load simultaneously former packaging file, afterwards, from reading command one by one the instruction updating file, and complete associative operation according to the content in instruction, make the former packaging file of client upgrade to the purpose packaging file.After all instructions in the instruction updating file are read, namely complete escalation process.
From above escalation process, can know, after the user completes upgrading, can directly delete former packaging file, and only preserve corresponding scanning document, because, from above as can be known, as long as have the upgrade file of final version, if obtain the former packaging file of a certain version, only need to there is the scanning document of this former packaging file to get final product.A packaging file may have the size of several gigabits or several ten thousand million, but its scanning document only has several million or tens, is far smaller than the size of packaging file, therefore, deletes this packaging file, can greatly save storage space.
Structure composition frame chart with reference to the described system of invention shown in Figure 6, comprise scan module, instruction generation module, instruction execution module, command file generation module and command file execution module.
Described scan module is for scanning all data blocks of former packaging file and purpose packaging file respectively, generate corresponding former scanning document and purpose scanning document in order to record the scanning information of data block in packaging file separately, scanning information comprises path and the off-set value of the address of version number, data block of packaging file and size, data block source file in packaging file.
Described instruction generation module scans respectively for all data blocks that the purpose scanning document is recorded in former scanning document, if find identical block, generate corresponding data block move, if do not find identical data block, generate corresponding data block and add instruction.Described data block move comprises address and the size, address in purpose packaging file of data block in former packaging file, described data block add instruction comprise data block in the purpose packaging file address and size, in the purpose packaging file path and the off-set value of source file, the content comprised in instruction can be directly from obtaining scanning document.
Described instruction execution module adds instruction for the data block move and the data block that carry out to generate one by one, and the data block in the corresponding former packaging file of movement and add corresponding data block to former packaging file is updated to the purpose packaging file by former packaging file.When the move of executing data piece, according to directly the corresponding data piece in former packaging file being moved to its place, address in the purpose packaging file, when the executing data piece adds instruction, the corresponding data piece is added into to the position corresponding with the purpose packaging file.
Described command file generation module is for writing to the update instruction file by the data block move of generation and data block interpolation instruction, and described update instruction file is for scanning all data blocks that record in the purpose scanning document respectively the empty file generated while starting in former scanning document.
Described command file execution module is for loading the update instruction file, data block move and the data block carried out are one by one wherein added instruction, data block in the corresponding former packaging file of movement and add corresponding data block to former packaging file, be updated to the purpose packaging file by former packaging file.
The method of described system is identical with the content in the above method, content described in concrete reference method.
The above, be preferred embodiment of the present invention, and the present invention is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present invention with identical means, all should belong to protection scope of the present invention.
Claims (18)
1. a update method that packaging file is synchronized to indicated release, is characterized in that, comprising:
Respectively all data blocks in former packaging file and purpose packaging file are scanned, generate corresponding former scanning document and purpose scanning document in order to record the scanning information of data block in packaging file separately;
The all data blocks that record in the purpose scanning document are scanned respectively in former scanning document, if find identical block, generate corresponding data block move, if do not find identical data block, generate corresponding data block and add instruction; And
The data block move carry out generated one by one and data block are added instruction, and the data block in the corresponding former packaging file of movement and add corresponding data block to former packaging file is updated to the purpose packaging file by former packaging file.
2. a kind of update method that packaging file is synchronized to indicated release according to claim 1, it is characterized in that the position of the digital digest, data block that the scanning information of described former scanning document and purpose scanning document record comprises the version number of corresponding packaging file, data block in corresponding packaging file and path and the off-set value of size, data block source file in corresponding packaging file.
3. a kind of update method that packaging file is synchronized to indicated release according to claim 2, is characterized in that, the digital digest of described data block is generated by the digital digest algorithm, and the digital digest difference of different pieces of information piece.
4. according to the described a kind of update method that packaging file is synchronized to indicated release of claim 2 or 3, it is characterized in that, it is described when all data blocks that record in the purpose scanning document are scanned respectively in former scanning document, so that the digital digest of correlation data piece is whether identical, judge whether the data block recorded in the purpose scanning document is identical with the data block recorded in former scanning document, when identical, for finding identical block, otherwise, for not finding identical block.
5. a kind of update method that packaging file is synchronized to indicated release according to claim 1 and 2, it is characterized in that, described data block move comprises the address of identical block in former packaging file and big or small, the address of this identical block in the purpose packaging file found.
6. a kind of update method that packaging file is synchronized to indicated release according to claim 1 and 2, it is characterized in that, described data block is added instruction and is comprised address and the size of corresponding data piece in the purpose packaging file, and path and the off-set value of this data block source file in the purpose packaging file.
7. a kind of update method that packaging file is synchronized to indicated release according to claim 1, is characterized in that, described method further comprises:
The data block move of generation and data block interpolation instruction are write to the update instruction file, and described update instruction file is for scanning all data blocks that record in the purpose scanning document respectively the empty file generated while starting in former scanning document.
8. a kind of update method that packaging file is synchronized to indicated release according to claim 7, it is characterized in that, described when data block is added to instruction and write to the update instruction file, the data block that needs are added in former packaging file writes to the update instruction file.
9. according to the described a kind of update method that packaging file is synchronized to indicated release of claim 7 or 8, it is characterized in that, described method further comprises:
Load the update instruction file, data block move and the data block carried out are one by one wherein added instruction, and the data block in the corresponding former packaging file of movement and add corresponding data block to former packaging file is updated to the purpose packaging file by former packaging file.
10. a renewal system that packaging file is synchronized to indicated release, is characterized in that, comprising:
Scan module, scan for all data blocks to former packaging file and purpose packaging file respectively, generates corresponding former scanning document and purpose scanning document in order to record the scanning information of data block in packaging file separately;
The instruction generation module, for all data blocks that the purpose scanning document is recorded, in former scanning document, scan respectively, if find identical block, generate corresponding data block move, if do not find identical data block, generate corresponding data block and add instruction; And
The instruction execution module, add instruction for the data block move and the data block that carry out to generate one by one, and the data block in the corresponding former packaging file of movement and add corresponding data block to former packaging file is updated to the purpose packaging file by former packaging file.
11. a kind of renewal system that packaging file is synchronized to indicated release according to claim 10, it is characterized in that the position of the digital digest, data block that the scanning information of described former scanning document and purpose scanning document record comprises the version number of corresponding packaging file, data block in corresponding packaging file and path and the off-set value of size, data block source file in corresponding packaging file.
12. a kind of renewal system that packaging file is synchronized to indicated release according to claim 11 is characterized in that the digital digest of described data block is generated by the digital digest algorithm, and the digital digest difference of different pieces of information piece.
13. according to the described a kind of renewal system that packaging file is synchronized to indicated release of claim 11 or 12, it is characterized in that, it is described when all data blocks that record in the purpose scanning document are scanned respectively in former scanning document, so that the digital digest of correlation data piece is whether identical, judge whether the data block recorded in the purpose scanning document is identical with the data block recorded in former scanning document, when identical, for finding identical block, otherwise, for not finding identical block.
14. according to the described a kind of renewal system that packaging file is synchronized to indicated release of claim 10 or 11, it is characterized in that, described data block move comprises the address of identical block in former packaging file and big or small, the address of this identical block in the purpose packaging file found.
15. according to the described a kind of renewal system that packaging file is synchronized to indicated release of claim 10 or 11, it is characterized in that, described data block is added instruction and is comprised address and the size of corresponding data piece in the purpose packaging file, and path and the off-set value of this data block source file in the purpose packaging file.
16. a kind of renewal system that packaging file is synchronized to indicated release according to claim 10, is characterized in that, described system also comprises:
The command file generation module, for the data block move of generation and data block interpolation instruction are write to the update instruction file, described update instruction file is for scanning all data blocks that record in the purpose scanning document respectively the empty file generated while starting in former scanning document.
17. a kind of renewal system that packaging file is synchronized to indicated release according to claim 16, it is characterized in that, described when data block is added to instruction and write to the update instruction file, the data block that needs are added in former packaging file writes to the update instruction file.
18. according to the described a kind of renewal system that packaging file is synchronized to indicated release of claim 16 or 17, it is characterized in that, described system also comprises:
The command file execution module, for loading the update instruction file, data block move and the data block carried out are one by one wherein added instruction, and the data block in the corresponding former packaging file of movement and add corresponding data block to former packaging file is updated to the purpose packaging file by former packaging file.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106502746A (en) * | 2016-11-02 | 2017-03-15 | 网易（杭州）网络有限公司 | The packaging method and device of application program |
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