CN103684712A - Method, device and network disc for quickly resuming file transmission - Google Patents
Method, device and network disc for quickly resuming file transmission Download PDFInfo
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- CN103684712A CN103684712A CN201210343180.4A CN201210343180A CN103684712A CN 103684712 A CN103684712 A CN 103684712A CN 201210343180 A CN201210343180 A CN 201210343180A CN 103684712 A CN103684712 A CN 103684712A
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Abstract
The invention discloses a method for quickly resuming file transmission. The method comprises the following steps: acquiring an uploaded file, and generating and caching signature information relevant to the uploaded file according to the uploaded file; uploading the upload file and the signature information to a network disc server; if the uploaded file is continuously uploaded, further judging whether the uploaded file is changed according to the signature information; if the uploaded file is not changed, resuming the upload task according to the signature information. By adding a function of storing the file signature information and adding the judgment on whether the file is modified, the signature calculation before file upload is greatly reduced in a resuming type upload task, and the task which is paused or interrupted can be rapidly resumed. The invention further discloses a device and a network disc for quickly resuming file transmission.
Description
Technical field
The present invention relates to field of computer technology, method, device and net dish that particularly the fast quick-recovery of a kind of file retransmits.
Background technology
At present, as net dish series products uploading data is last, need local file to mate with server, by matching result, undertaken that part is uploaded or second pass.In matching process, need to obtain the integral body of file or the signature of piecemeal.
Most net dish strategies are for local file being carried out to signature calculation before synchronous carrying out data at every turn, no matter before this file, whether carry out signature calculation.Suppose that file is F, upload procedure is as follows:
A, the whole signature of calculation document and piecemeal signature s, <s
1, s
2, s
3..., s
n>;
B, band signature and server interaction, server returns to the piecemeal <s that need to upload
i, s
j, s
q>;
C, upload the piecemeal needing.
If user's suspended task or net disc program is exited in upload procedure, when again starting while uploading task, still retransmits by above-mentioned steps.
The problem that prior art exists is when recovery file is uploaded, still to need compute signature, waste machine resources and time.
Summary of the invention
Object of the present invention is intended at least solve one of described technological deficiency.
For this reason, thus one object of the present invention is to propose a kind of signature calculation amount that reduces to be realized fast quick-recovery and uploads the method that the fast quick-recovery of file of task retransmits.
Another object of the present invention is to propose the device that the fast quick-recovery of a kind of file retransmits.
Another object of the present invention is to propose a kind of net dish.
For reaching described object, the embodiment of first aspect present invention discloses the method that the fast quick-recovery of a kind of file retransmits, and comprises the following steps: obtain upload file, and generate and the buffer memory signing messages relevant to described upload file according to described upload file; Described upload file and described signing messages are uploaded to net dish server; If described upload file has occurred to resume, further according to described signing messages, judge whether described upload file changes; And if judge that described upload file does not change, according to described signing messages, recover to upload task.
The method retransmitting according to the fast quick-recovery of the file of the embodiment of the present invention; by increase, preserve the function of file signature information and increase the anticipation whether file is modified; signature calculation amount before can greatly reducing file in recovery formula is uploaded task and uploading, realizes the task that fast quick-recovery is suspended or interrupts.
For reaching described object, the embodiment of second aspect present invention discloses the device that the fast quick-recovery of a kind of file retransmits, and comprising: acquisition module, for obtaining upload file; Computing module, for generating according to described upload file the signing messages that described upload file is relevant; Cache module, for signing messages described in buffer memory; Upper transmission module, for being uploaded to net dish server by described upload file and described signing messages; Judge module, for judge according to described signing messages whether described upload file changes when described upload file resumes, wherein, when described judge module judges that described upload file does not change, described upper transmission module recovers to upload task according to described signing messages.
The device retransmitting according to the fast quick-recovery of the file of the embodiment of the present invention; by increasing, cache module is preserved file signature information and whether increase judge module is modified and carries out anticipation file; signature calculation amount before can greatly reducing file in recovery formula is uploaded task and uploading, realizes the task that fast quick-recovery is suspended or interrupts.
For reaching described object, according to the embodiment of third aspect present invention, a kind of net dish is disclosed, comprise according to the fast quick-recovery retransmission arrangement of the file of the embodiment of second aspect present invention.
According to the net dish of the embodiment of the present invention; by increase, preserve the function of file signature information and increase the anticipation whether file is modified; signature calculation amount before can greatly reducing file in recovery formula is uploaded task and uploading, realizes the task that fast quick-recovery is suspended or interrupts.
The aspect that the present invention is additional and advantage in the following description part provide, and part will become aobvious from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Of the present invention and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments and obviously and easily understand, wherein:
Fig. 1 is the flow chart of the method that the fast quick-recovery of file retransmits according to an embodiment of the invention;
Fig. 2 is the flow chart of the method that the fast quick-recovery of file retransmits in accordance with another embodiment of the present invention;
Fig. 3 is the structural representation of the device that the fast quick-recovery of file retransmits according to an embodiment of the invention; With
Fig. 4 is the structural representation of net dish according to an embodiment of the invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " longitudinally ", " laterally ", " on ", orientation or the position relationship of the indication such as D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of described term.
The method retransmitting according to the fast quick-recovery of the file of the embodiment of the present invention is described below with reference to accompanying drawing.
The method that the fast quick-recovery of file retransmits, comprises the following steps: obtain upload file, and generate and the buffer memory signing messages relevant to upload file according to upload file; Upload file and signing messages are uploaded to net dish server; If upload file has occurred to resume, further according to signing messages, judge whether upload file changes; And if upload file do not change, according to signing messages, recover to upload task.
Fig. 1 is the flow chart of the method that the fast quick-recovery of file retransmits according to an embodiment of the invention.
As shown in Figure 1, the method retransmitting according to the fast quick-recovery of the file of the embodiment of the present invention comprises the steps.
Step S101, obtains upload file, and generates and the buffer memory signing messages relevant to upload file according to upload file.
Usually, use hashing algorithm as generation signing messages relevant to upload file such as MD2, MD4, MD5, SHA-1.Herein for simplicity, be not described in detail.In one embodiment of the invention, signing messages comprises the file modification time of file path, signature starting point, block list and upload file etc.On each, the file of crossing all carries this signing messages.The task of uploading starts rear to an information storage object of each upload file establishment, after signature calculation completes, and the relevant field of meeting filling information storage object.The relevant field of lastest imformation storage object after fileinfo is modified.If file has normally been uploaded or cancelled by user, delete this information storage object.When main program exits, when task does not complete, store this information storage object to permanent storage media.
Step S102, is uploaded to net dish server by upload file and signing messages.
Step S103, if upload file has occurred to resume, further judges according to signing messages whether upload file changes.
Particularly, according to the file modification time of upload file, judge whether upload file changes.For example, the task of uploading if current is restorative uploading, and can read the file modification time when being suspended last time or interrupting, itself and local file actual modification time are contrasted, if both are consistent, think that file was not modified, the signature of storage is effective before; Otherwise think that file was modified, signature need to recalculate.
Step S104, if upload file does not change, recovers to upload task according to signing messages.
As step, S103 is described, if upload file does not change, the signature of storage is effective before, recovers to upload task, without recalculating signature according to signing messages.
The method retransmitting according to the fast quick-recovery of the file of the embodiment of the present invention; by increase, preserve the function of file signature information and increase the anticipation whether file is modified; signature calculation amount before can greatly reducing file in recovery formula is uploaded task and uploading, realizes the task that fast quick-recovery is suspended or interrupts.
Should be understood that if variation has occurred in upload file, need generate new signing messages and upload according to new upload file.Namely repeat step above.
In addition, should be understood that in another embodiment of the present invention, each upload file all can have one and upload life cycle, and in uploading life cycle, upload file and signing messages are stored in internal memory, and upload file and signing messages are prohibited to revise.In life cycle finishes, the file object information hardness of upper crossing is to disk.Therefore, when resuming file, can first judge that whether upload file surpasses and upload life cycle, if do not surpassed, can directly read the fileinfo in internal memory, obtain file signature and resume.
Fig. 2 is the flow chart of the method that the fast quick-recovery of file retransmits in accordance with another embodiment of the present invention.As shown in Figure 2, the method retransmitting according to the fast quick-recovery of the file of this embodiment of the present invention comprises the steps.
Step S201, obtains upload file, and generates and the buffer memory signing messages relevant to upload file according to upload file.
Step S202, is uploaded to net dish server by upload file and signing messages.
Step S203, if upload file has occurred to resume, judges that whether upload file is over uploading life cycle, and wherein, in uploading life cycle, upload file and signing messages are prohibited to revise.
Step S204, if judgement does not surpass and uploads life cycle, reads upload file and the signing messages in internal memory and resumes.
If judgement does not surpass and uploads life cycle, supporting paper was not modified, and can directly read upload file and the signing messages in internal memory and resume.
Step S205, uploads life cycle if judgement surpasses, and further according to signing messages, judges whether upload file changes.
Step S206, if upload file does not change, recovers to upload task according to signing messages.
Step S207, if upload file changes, generates new signing messages and uploads according to new upload file.
The method retransmitting according to the fast quick-recovery of the file of the embodiment of the present invention is stored by increase information temporarily, has reduced signature calculation amount when file recovers to upload, and greatly improves resume speed.
The device retransmitting according to the fast quick-recovery of the file of the embodiment of the present invention is described below with reference to accompanying drawing.
The device that the fast quick-recovery of file retransmits, comprising: acquisition module, for obtaining upload file; Computing module, for generating the relevant signing messages of upload file according to upload file; Cache module, for buffer memory signing messages; Upper transmission module, for being uploaded to net dish server by upload file and signing messages; Judge module, for judge according to signing messages whether upload file changes when upload file resumes, wherein, when judge module judgement upload file does not change, upper transmission module recovers to upload task according to signing messages.
Fig. 3 is the structural representation of the device that the fast quick-recovery of file retransmits according to an embodiment of the invention.As shown in Figure 3, the device retransmitting according to the fast quick-recovery of the file of the embodiment of the present invention comprises acquisition module 110, computing module 120, cache module 130, upper transmission module 140 and judge module 150.
Acquisition module 110 is for obtaining upload file.Computing module 120 is for the signing messages relevant to upload file according to upload file generation.Cache module 130 is for buffer memory signing messages.Upper transmission module 140 is for being uploaded to net dish server by upload file and signing messages.Judge module 150 is for judge according to signing messages whether upload file changes when upload file resumes, and when judge module 150 judgement upload files do not change, upload file 140 recovers to upload task according to signing messages.
In one embodiment of the invention, signing messages comprises the file modification time of file path, signature starting point, block list and upload file.Judge module 150 judges according to the file modification time of upload file whether upload file changes.For example, the task of uploading if current is restorative uploading, and can read the file modification time when being suspended last time or interrupting, itself and local file actual modification time are contrasted, if both are consistent, think that file was not modified, the signature of storage is effective before; Otherwise think that file was modified, signature need to recalculate.
The device retransmitting according to the fast quick-recovery of the file of the embodiment of the present invention; by increasing, cache module is preserved file signature information and whether increase judge module is modified and carries out anticipation file; signature calculation amount before can greatly reducing file in recovery formula is uploaded task and uploading, realizes the task that fast quick-recovery is suspended or interrupts.
Should be understood that computing module 120, also for when variation has occurred in judge module 150 judgement upload files, generates new signing messages according to new upload file, then go up transmission module 140 new signing messages and new upload file are uploaded to net dish server.
In one embodiment of the invention, cache module 130 comprises internal memory and disk.Uploading in life cycle of upload file, upload file and signing messages are stored in internal memory and are prohibited and revise.Uploading in life cycle finishes, upload file and signing messages are cured on disk.
According to one embodiment of present invention, judge module 150, also for after having occurred to resume in upload file, judges that whether upload file is over uploading life cycle.When upload file does not surpass and uploads life cycle, illustrate that upload file is not modified, go up transmission module 140 and directly read upload file and the signing messages in internal memory and resume.When surpassing, upload file uploads life cycle, upload file is likely modified, therefore judge module 150 further judges according to signing messages whether upload file changes, if do not changed, according to the signing messages in cache module 130, continue to upload task, if changed, according to new upload file, generate new signing messages and upload.Thus, by increase information, store (internal memory) temporarily, reduced the calculating of signature while recovering, greatly improve resume speed.
Below with reference to accompanying drawing, describe according to the net dish of the embodiment of the present invention.
Fig. 4 is the structural representation of net dish according to an embodiment of the invention.As shown in Figure 4, according to the net dish 1 of the embodiment of the present invention, comprise the device 10 that the fast quick-recovery of file retransmits, wherein, the device that the device 10 that the fast quick-recovery of file retransmits can fast quick-recovery retransmits for the file of above-mentioned arbitrary embodiment.
According to the net dish of the embodiment of the present invention; by increase, preserve the function of file signature information and increase the anticipation whether file is modified; signature calculation amount before can greatly reducing file in recovery formula is uploaded task and uploading, realizes the task that fast quick-recovery is suspended or interrupts.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of described term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (12)
1. the method that the fast quick-recovery of file retransmits, is characterized in that, comprises the following steps:
Obtain upload file, and generate and the buffer memory signing messages relevant to described upload file according to described upload file;
Described upload file and described signing messages are uploaded to net dish server;
If described upload file has occurred to resume, further according to described signing messages, judge whether described upload file changes; And
If judge that described upload file does not change, according to described signing messages, recover to upload task.
2. the method that the fast quick-recovery of file as claimed in claim 1 retransmits, is characterized in that, also comprises:
If judge that variation has occurred in described upload file, generates new signing messages and uploads according to new upload file.
3. the method that the fast quick-recovery of file as claimed in claim 1 or 2 retransmits, is characterized in that, described signing messages comprises the file modification time of file path, signature starting point, block list and described upload file.
4. the method that the fast quick-recovery of file as claimed in claim 3 retransmits, is characterized in that, according to the described file modification time, judges whether described upload file changes.
5. the method that the fast quick-recovery of the file as described in claim 1-4 any one retransmits, is characterized in that, if after described upload file occurred to resume, also comprised:
Judge whether to surpass and upload life cycle, wherein, described, upload upload file described in life cycle and described signing messages is prohibited to revise;
If do not upload life cycle described in judgement surpasses, read described upload file and the signing messages in internal memory and resume;
If upload life cycle described in judgement surpasses, further judge according to described signing messages whether described upload file changes.
6. the device that the fast quick-recovery of file retransmits, is characterized in that, comprising:
Acquisition module, for obtaining upload file;
Computing module, for generating the signing messages relevant to described upload file according to described upload file;
Cache module, for signing messages described in buffer memory;
Upper transmission module, for being uploaded to net dish server by described upload file and described signing messages;
Judge module, for judge according to described signing messages whether described upload file changes when described upload file resumes,
Wherein, when described judge module judges that described upload file does not change, described upper transmission module recovers to upload task according to described signing messages.
7. the device that the fast quick-recovery of file as claimed in claim 6 retransmits, it is characterized in that, described computing module is also for when described judge module judges that variation has occurred in described upload file, according to new upload file, generate new signing messages, described upper transmission module is also for being uploaded to described net dish server by described new signing messages and new upload file.
8. the device that the fast quick-recovery of the file as described in claim 6 or 7 retransmits, is characterized in that, described signing messages comprises the file modification time of file path, signature starting point, block list and described upload file.
9. the device that the fast quick-recovery of file as claimed in claim 8 retransmits, is characterized in that, described judge module judges according to the described file modification time whether described upload file changes.
10. the device that the fast quick-recovery of file as claimed in claim 6 retransmits, is characterized in that, described cache module comprises internal memory and disk.
The device that the fast quick-recovery of 11. file as described in claim 6 to 10 any one retransmits, it is characterized in that, described judge module is also for after described upload file has occurred to resume, judge that whether described upload file is over uploading life cycle, wherein, described upload upload file described in life cycle and described signing messages be stored in described internal memory in and be prohibited to revise, when described upload file does not surpass while uploading life cycle, described upper transmission module reads described upload file and the signing messages in described internal memory and resumes; When described upload file surpasses while uploading life cycle, described judge module further judges according to described signing messages whether described upload file changes.
12. 1 kinds of net dishes, is characterized in that, comprise the device that the fast quick-recovery of file described in claim 6 to 11 any one retransmits.
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| 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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| 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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| 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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| CN103684712B (en) | 2017-04-05 |
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