CN103684712B - Method, device and Dropbox that the fast quick-recovery of file is retransmitted - Google Patents
Method, device and Dropbox that the fast quick-recovery of file is retransmitted Download PDFInfo
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- CN103684712B CN103684712B CN201210343180.4A CN201210343180A CN103684712B CN 103684712 B CN103684712 B CN 103684712B CN 201210343180 A CN201210343180 A CN 201210343180A CN 103684712 B CN103684712 B CN 103684712B
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Abstract
The present invention proposes the method that a kind of fast quick-recovery of file is retransmitted, and comprises the following steps：Transmitting file in acquisition, and according to upload file generated and cache the signing messages related to upper transmitting file；Upper transmitting file and signing messages are uploaded to into Dropbox server；If upper transmitting file there occurs resumed, further judge whether upper transmitting file changes according to signing messages；And if upper transmitting file does not change, then recover upload task according to signing messages.The present invention realizes task that fast quick-recovery be suspended or interrupt with the anticipation whether file is changed, the signature calculation amount before can greatly reducing files passe in recovery formula upload task is increased by increasing the function of preserving file signature information.The present invention also proposes a kind of device and Dropbox of the fast quick-recovery re-transmission of file.
Description
Technical field
The present invention relates to field of computer technology, method, device and net that the fast quick-recovery of more particularly to a kind of file is retransmitted
Disk.
Background technology
At present, Dropbox class product is generally required a local file before uploading data and is matched with server, by matching knot
Fruit carries out part upload or the second passes.The signature of the entirety or piecemeal of acquisition file is needed in matching process.
Most Dropbox strategies are to carry out signature calculation before data syn-chronization is carried out every time to local file, no matter this file
Whether signature calculation was carried out before.Hypothesis file is F, and upload procedure is as follows：
A, calculation document integrally sign and piecemeal signature s,<s1,s2,s3..., sn>；
B, band signature and server interaction, server return the piecemeal for needing to upload<si,sj,sq>；
C, the piecemeal for uploading needs.
If user's suspended task or exited Dropbox program in upload procedure, when upload task is again started up, according to
So retransmitted by above-mentioned steps.
Prior art exist problem be, recover files passe when still need calculating signature, waste machine resources and
Time.
The content of the invention
The purpose of the present invention is intended at least solve one of described technological deficiency.
For this purpose, appointing it is an object of the present invention to propose a kind of reduction signature calculation amount so as to realize that fast quick-recovery is uploaded
The method that the fast quick-recovery of file of business is retransmitted.
Further object is that proposing the device that a kind of fast quick-recovery of file is retransmitted.
A further object of the present invention is to propose a kind of Dropbox.
To reach the purpose, the embodiment of first aspect present invention discloses the side that a kind of fast quick-recovery of file is retransmitted
Method, comprises the following steps：Transmitting file in acquisition, and according to the upload file generated and cache related to the upper transmitting file
Signing messages；The upper transmitting file and the signing messages are uploaded to into Dropbox server；If the upper transmitting file there occurs
Resume, then further judge whether the upper transmitting file changes according to the signing messages；And if it is determined that on described
Transmitting file does not change, then recover upload task according to the signing messages.
The method that the fast quick-recovery of file according to embodiments of the present invention is retransmitted, by increasing the work(for preserving file signature information
And the anticipation whether file is changed, the signature meter before files passe being greatly reduced in recovery formula upload task can be increased
Calculation amount, realizes the task that fast quick-recovery is suspended or interrupts.
To reach the purpose, the embodiment of second aspect present invention discloses the dress that a kind of fast quick-recovery of file is retransmitted
Put, including：Acquisition module, for obtaining upper transmitting file；Computing module, for uploading text according to the upload file generated
The related signing messages of part；Cache module, for caching the signing messages；Upper transmission module, for by the upper transmitting file and
The signing messages is uploaded to Dropbox server；Judge module, according to the label when resuming for the transmitting file on described
Name information judges whether the upper transmitting file changes, wherein, judge that transmitting file does not occur on described in the judge module
During change, the upper transmission module recovers upload task according to the signing messages.
The device that the fast quick-recovery of file according to embodiments of the present invention is retransmitted, preserves file signature by increasing cache module
Information and increase judge module whether anticipation is carried out by modification to file, file can be greatly reduced in recovery formula upload task
Signature calculation amount before upload, realizes the task that fast quick-recovery is suspended or interrupts.
To reach the purpose, embodiment according to a third aspect of the present invention discloses a kind of Dropbox, including according to this
The fast quick-recovery retransmission arrangement of file of the embodiment of bright second aspect.
Dropbox according to embodiments of the present invention, by increase the function that preserves file signature information and increase file whether by
The anticipation of modification, the signature calculation amount before can greatly reducing files passe in recovery formula upload task, realizes fast quick-recovery
Being suspended or interrupting for task.
The additional aspect of the present invention and advantage will be set forth in part in the description, and partly will become from the following description
Must show, or be recognized by the practice of the present invention.
Description of the drawings
Aspect of the present invention and/or additional and advantage will become from the following description of the accompanying drawings of embodiments
It is substantially and easy to understand, wherein：
Fig. 1 is the flow chart of the method retransmitted according to the fast quick-recovery of file of one embodiment of the invention；
Fig. 2 is the flow chart of the method retransmitted according to the fast quick-recovery of file of another embodiment of the present invention；
Fig. 3 is the structural representation of the device retransmitted according to the fast quick-recovery of file of one embodiment of the invention；With
Fig. 4 is the structural representation of the Dropbox according to one embodiment of the invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
In describing the invention, it is to be understood that term " longitudinal direction ", " horizontal ", " on ", D score, "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " is based on accompanying drawing institute
The orientation for showing or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply the dress of indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the present invention limit
System.
In describing the invention, it should be noted that unless otherwise prescribed and limit, term " installation ", " being connected ",
" connection " should be interpreted broadly, for example, it may be mechanically connected or electrical connection, or the connection of two element internals, can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of the term.
Below with reference to the accompanying drawings the method that the fast quick-recovery of file according to embodiments of the present invention is retransmitted is described.
The method that a kind of fast quick-recovery of file is retransmitted, comprises the following steps：Transmitting file in acquisition, and given birth to according to upper transmitting file
Into and cache the signing messages related to upper transmitting file；Upper transmitting file and signing messages are uploaded to into Dropbox server；If on
Transmitting file there occurs and resume then further above whether transmitting file changes according to signing messages judgement；And if upload text
Part does not change, then recover upload task according to signing messages.
Fig. 1 is the flow chart of the method retransmitted according to the fast quick-recovery of file of one embodiment of the invention.
As shown in figure 1, the method that the fast quick-recovery of file according to embodiments of the present invention is retransmitted comprises the steps.
Step S101, transmitting file in acquisition, and according to upload file generated and cache the A.L.S. related to upper transmitting file
Breath.
Usually, the signing messages related to upper transmitting file is generated using hashing algorithm such as MD2, MD4, MD5, SHA-1 etc..
For the sake of simple, it is not described in detail.In one embodiment of the invention, signing messages includes file path, signs
Filemodetime of name starting point, block list and upper transmitting file etc..On each, the file of crossing carries this signing messages.
Upload task uploads one information Store object of document creation to each after starting, after the completion of signature calculation, can filling information
The relevant field of storage object.The relevant field of fresh information storage object after fileinfo is changed.If file is normal
Upload is completed or is cancelled by user, then delete the information Store object.When mastery routine is exited, and task is not completed, the letter is stored
Breath storage object is to permanent storage media.
Upper transmitting file and signing messages are uploaded to Dropbox server by step S102.
Whether step S103, if upper transmitting file there occurs resumed, further judge upper transmitting file according to signing messages
Change.
Specifically, judge whether upper transmitting file changes according to the filemodetime of upper transmitting file.For example, if
The current task that uploads is restorative upload, then can read filemodetime of last time when being suspended or interrupting, by its with
The local file actual modification time is contrasted, if both are consistent, then it is assumed that file is not modified, and the signature for storing has before
Effect；Otherwise it is assumed that file is modified, signature needs are recalculated.
Step S104, if upper transmitting file does not change, recovers upload task according to signing messages.
As described by step S103, if upper transmitting file does not change, the signature of storage before is effective, according to label
Name Information recovering uploads task, need not recalculate signature.
The method that the fast quick-recovery of file according to embodiments of the present invention is retransmitted, by increasing the work(for preserving file signature information
And the anticipation whether file is changed, the signature meter before files passe being greatly reduced in recovery formula upload task can be increased
Calculation amount, realizes the task that fast quick-recovery is suspended or interrupts.
If it should be understood that upper transmitting file there occurs change, needing to upload the new signing messages of file generated according to new
And upload.Namely repeat above step.
Furthermore, it is to be understood that in another embodiment of the present invention, on each, transmitting file can be with a upload life
In the cycle, it is stored in internal memory transmitting file and signing messages in life cycle is uploaded, and upper transmitting file and signing messages is banned
Only change.When life cycle terminates, the file object information hardness of upper crossing is on disk.Therefore, when file is resumed
Can first determine whether that whether transmitting file exceedes and upload life cycle, if not less than the file in internal memory can be directly read
Information, obtains file signature and resumes.
Fig. 2 is the flow chart of the method retransmitted according to the fast quick-recovery of file of another embodiment of the present invention.Such as Fig. 2 institutes
Show, comprised the steps according to the method that the fast quick-recovery of file of this embodiment of the present invention is retransmitted.
Step S201, transmitting file in acquisition, and according to upload file generated and cache the A.L.S. related to upper transmitting file
Breath.
Upper transmitting file and signing messages are uploaded to Dropbox server by step S202.
Step S203, if upper transmitting file there occurs resumed, in judgement, whether transmitting file exceedes upload life cycle, its
In, in life cycle is uploaded on transmitting file and signing messages be prohibited modification.
Step S204, if it is determined that not less than life cycle is uploaded, then reading the upper transmitting file and signing messages in internal memory
And resume.
If it is determined that not less than life cycle is uploaded, then supporting paper is not modified, and can directly read in internal memory
Upper transmitting file and signing messages are simultaneously resumed.
According to signing messages, step S205, if it is determined that exceed uploading life cycle, then further judges that upper transmitting file is
It is no to change.
Step S206, if upper transmitting file does not change, recovers upload task according to signing messages.
Step S207, if upper transmitting file changes, according to it is new upload the new signing messages of file generated and on
Pass.
The method that the fast quick-recovery of file according to embodiments of the present invention is retransmitted, by increasing information interim storage, reduces
Signature calculation amount when file access pattern is uploaded, greatly improves resume speed.
Below with reference to the accompanying drawings the device that the fast quick-recovery of file according to embodiments of the present invention is retransmitted is described.
The device that a kind of fast quick-recovery of file is retransmitted, including：Acquisition module, for obtaining upper transmitting file；Computing module, uses
According to the signing messages for uploading transmitting file correlation on file generated；Cache module, for caching signing messages；Upper transmission module,
For upper transmitting file and signing messages are uploaded to Dropbox server；Judge module, for the root when upper transmitting file is resumed
Judge whether upper transmitting file changes according to signing messages, wherein, when on judge module judges, transmitting file does not change, on
Transmission module recovers upload task according to signing messages.
Fig. 3 is the structural representation of the device retransmitted according to the fast quick-recovery of file of one embodiment of the invention.Such as Fig. 3 institutes
Show, the device that the fast quick-recovery of file according to embodiments of the present invention is retransmitted includes acquisition module 110, computing module 120, caching mould
Block 130, upper transmission module 140 and judge module 150.
Acquisition module 110 is used to obtain transmitting file.Computing module 120 is for according to upload file generated and upper transmitting file
Related signing messages.Cache module 130 is used to cache signing messages.Upper transmission module 140 is for by upper transmitting file and A.L.S.
Breath is uploaded to Dropbox server.Judge module 150 is literary for being uploaded according to signing messages judgement when upper transmitting file is resumed
Whether part changes, and when on judge module 150 judges, transmitting file does not change, upper transmitting file 140 is according to signing messages
Recover upload task.
In one embodiment of the invention, signing messages includes file path, signature starting point, block list and upload
The filemodetime of file.According to the filemodetime of upper transmitting file, judge module 150 judges whether upper transmitting file occurs
Change.For example, if it is restorative upload currently to upload task, file of last time when being suspended or interrupting can be read and is repaiied
Change the time, which was contrasted with the local file actual modification time, if both are consistent, then it is assumed that file is not modified, it
The signature of front storage is effective；Otherwise it is assumed that file is modified, signature needs are recalculated.
The device that the fast quick-recovery of file according to embodiments of the present invention is retransmitted, preserves file signature by increasing cache module
Information and increase judge module whether anticipation is carried out by modification to file, file can be greatly reduced in recovery formula upload task
Signature calculation amount before upload, realizes the task that fast quick-recovery is suspended or interrupts.
It should be understood that computing module 120 be additionally operable to judge module 150 judge on transmitting file there occurs change when, according to new
Upload the new signing messages of file generated, then go up transmission module 140 by new signing messages and new upload files passe extremely
Dropbox server.
In one embodiment of the invention, cache module 130 includes internal memory and disk.In the upload life of upper transmitting file
In cycle, during upper transmitting file and signing messages are stored in internal memory and it is prohibited modification.When upload life cycle terminates, upload
File and signing messages are cured on disk.
According to one embodiment of present invention, judge module 150 is additionally operable to after upper transmitting file there occurs and resume, and is judged
Whether upper transmitting file exceedes uploads life cycle.When upper transmitting file is not less than life cycle is uploaded, illustrate that transmitting file is not repaiied
Change, then go up upper transmitting file and signing messages that transmission module 140 directly read in internal memory and resume.Life is uploaded when upper transmitting file exceedes
The life cycle, then go up transmitting file and be possible to be changed, therefore according to signing messages, judge module 150 further judges that upper transmitting file is
It is no to change, if do not changed, continue upload task according to the signing messages in cache module 130, if it happens
Change, then upload the new signing messages of file generated and upload according to new.Thus, by increasing information interim storage（It is interior
Deposit）, the calculating signed during recovery is reduced, resume speed is greatly improved.
Below with reference to the accompanying drawings Dropbox according to embodiments of the present invention is described.
Fig. 4 is the structural representation of the Dropbox according to one embodiment of the invention.As shown in figure 4, according to present invention enforcement
The Dropbox 1 of example includes the device 10 that the fast quick-recovery of file is retransmitted, wherein, the device 10 that the fast quick-recovery of file is retransmitted can be above-mentioned
The device that the fast quick-recovery of file of any embodiment is retransmitted.
Dropbox according to embodiments of the present invention, by increase the function that preserves file signature information and increase file whether by
The anticipation of modification, the signature calculation amount before can greatly reducing files passe in recovery formula upload task, realizes fast quick-recovery
Being suspended or interrupting for task.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of the term not
Identical embodiment or example are referred to necessarily.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention is by claims and its is equal to limit.
Claims (10)
1. the method that a kind of fast quick-recovery of file is retransmitted, it is characterised in that comprise the following steps：
Transmitting file in acquisition, and upload file generated and cache the signing messages related to the upper transmitting file according to described；
The upper transmitting file and the signing messages are uploaded to into Dropbox server；
If the upper transmitting file there occurs resumed, further judge whether the upper transmitting file is sent out according to the signing messages
Changing；And
If it is determined that the upper transmitting file does not change, then recover upload task according to the signing messages；
If the upper transmitting file is there occurs after resuming, also include：
Judge whether more than upload life cycle, wherein, transmitting file and the signature on described in life cycle is uploaded described
Information is prohibited modification；
If it is determined that not less than the upload life cycle, then reading the described upper transmitting file and signing messages in internal memory and continuing
Pass；
If it is determined that exceeding the upload life cycle, further judge whether the upper transmitting file is sent out according to the signing messages
Changing.
2. the method that the fast quick-recovery of file as claimed in claim 1 is retransmitted, it is characterised in that also include：
If it is determined that the upper transmitting file there occurs change, then upload the new signing messages of file generated and upload according to new.
3. the method that the fast quick-recovery of file as claimed in claim 1 or 2 is retransmitted, it is characterised in that the signing messages includes
The filemodetime of file path, signature starting point, block list and the upper transmitting file.
4. the method that the fast quick-recovery of file as claimed in claim 3 is retransmitted, it is characterised in that according to the filemodetime
Judge whether the upper transmitting file changes.
5. the device that a kind of fast quick-recovery of file is retransmitted, it is characterised in that include：
Acquisition module, for obtaining upper transmitting file；
Computing module, for uploading the file generated signing messages related to the upper transmitting file according to described；
Cache module, for caching the signing messages；
Upper transmission module, for the upper transmitting file and the signing messages are uploaded to Dropbox server；
According to the signing messages, judge module, judges on described transmitting file whether when resuming for the transmitting file on described
Change,
Wherein, when the judge module judges that transmitting file does not change on described, the upper transmission module is according to the signature
Information recovering uploads task；
The judge module is additionally operable to after the transmitting file on described there occurs and resume, and judges whether the upper transmitting file exceedes upper
Pass life cycle, wherein, described in the upload life cycle on transmitting file and the signing messages be stored in internal memory in and
It is prohibited modification, when the upper transmitting file is not less than life cycle is uploaded, the upper transmission module reads the institute in the internal memory
State transmitting file and signing messages and resume；When the upper transmitting file exceedes uploads life cycle, the judge module enters one
According to the signing messages, step judges whether the upper transmitting file changes.
6. the device that the fast quick-recovery of file as claimed in claim 5 is retransmitted, it is characterised in that the computing module is additionally operable to
When the judge module judges that the upper transmitting file there occurs change, the new signing messages of file generated, institute are uploaded according to new
State transmission module to be additionally operable to the new signing messages and new upload files passe to the Dropbox server.
7. the device that the fast quick-recovery of file as described in claim 5 or 6 is retransmitted, it is characterised in that the signing messages includes
The filemodetime of file path, signature starting point, block list and the upper transmitting file.
8. the device that the fast quick-recovery of file as claimed in claim 7 is retransmitted, it is characterised in that the judge module is according to described
Filemodetime judges whether the upper transmitting file changes.
9. the device that the fast quick-recovery of file as claimed in claim 5 is retransmitted, it is characterised in that the cache module includes internal memory
And disk.
10. a kind of Dropbox, it is characterised in that including the dress that the fast quick-recovery of file described in any one of claim 5 to 9 is retransmitted
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210343180.4A CN103684712B (en) | 2012-09-14 | 2012-09-14 | Method, device and Dropbox that the fast quick-recovery of file is retransmitted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210343180.4A CN103684712B (en) | 2012-09-14 | 2012-09-14 | Method, device and Dropbox that the fast quick-recovery of file is retransmitted |
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| CN103684712A CN103684712A (en) | 2014-03-26 |
| CN103684712B true CN103684712B (en) | 2017-04-05 |
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| CN107360233A (en) * | 2017-07-14 | 2017-11-17 | 世纪龙信息网络有限责任公司 | Method, apparatus, equipment and the readable storage medium storing program for executing that file uploads |
| CN110809039A (en) * | 2019-10-30 | 2020-02-18 | 华工正源智能终端（孝感）有限公司 | File uploading method and device |
| CN114584551A (en) * | 2022-01-27 | 2022-06-03 | 深圳爱捷云科技有限公司 | File uploading method, electronic equipment and computer program product |
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| CN102497395A (en) * | 2011-11-30 | 2012-06-13 | 北京京航计算通讯研究所 | Breakpoint unloading application control method |
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| US7340214B1 (en) * | 2002-02-13 | 2008-03-04 | Nokia Corporation | Short-range wireless system and method for multimedia tags |
| US7590807B2 (en) * | 2003-11-03 | 2009-09-15 | Netapp, Inc. | System and method for record retention date in a write once read many storage system |
| CN101206564B (en) * | 2006-12-20 | 2011-07-27 | 鸿富锦精密工业（深圳）有限公司 | Document version pipe control interface arrangement and method |
| JP5233175B2 (en) * | 2007-06-08 | 2013-07-10 | ソニー株式会社 | Content distribution system, distribution server, terminal, and content distribution method |
| CN101150540A (en) * | 2007-11-07 | 2008-03-26 | 北京亿企通信息技术有限公司 | A method for continuous file transfer at interruption point in instant communication tool |
| CN101674263A (en) * | 2008-09-11 | 2010-03-17 | 华为技术有限公司 | Transmission method, transmission system, transmission device and receiving device of large data object |
| CN102546836A (en) * | 2012-03-09 | 2012-07-04 | 腾讯科技（深圳）有限公司 | Method, terminal, server and system for uploading files |
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| CN1622553A (en) * | 2004-12-20 | 2005-06-01 | 北京北大方正电子有限公司 | Internet standard file transmission protocol based file breakpoint upload method |
| CN102014133A (en) * | 2010-11-26 | 2011-04-13 | 清华大学 | Method for implementing safe storage system in cloud storage environment |
| CN102497395A (en) * | 2011-11-30 | 2012-06-13 | 北京京航计算通讯研究所 | Breakpoint unloading application control method |
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