CN103634406A - File synchronization method and terminal thereof - Google Patents
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- CN103634406A CN103634406A CN201310674444.9A CN201310674444A CN103634406A CN 103634406 A CN103634406 A CN 103634406A CN 201310674444 A CN201310674444 A CN 201310674444A CN 103634406 A CN103634406 A CN 103634406A
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Abstract
The invention discloses a file synchronization method and a terminal thereof. The file synchronization method includes that the terminal stores a snapshot formed by a synchronization folder during file synchronization in the last time; the terminal sends a file synchronization request to a cloud server, wherein the file synchronization request carries an identity of the terminal and a synchronization account for file synchronization between the terminal and the cloud server; after passing authentication of the cloud server, the terminal acquires a cloud file list from the cloud server; a local file list and a snapshot file list are acquired from the terminal, the three lists are put into a parallel list, and list items of the parallel list are browsed fully to judge whether missing exists in the three lists or not. By the file synchronization method and the terminal thereof, processing quantity of the cloud server can be reduced, file synchronization speed is increased, efficiency of information synchronization through the cloud server is higher, and user experience is improved.
Description
Technical field
The present invention relates to communication technical field, particularly relate to file synchronisation method and terminal thereof.
Background technology
Be accompanied by the fast development of mobile Internet, and the continuing to increase of mobile Internet user, general a file will be checked, revise, preserve in a kind of terminal, in another kind of terminal, obtain file, check, user need to link a plurality of terminals by data wire, or transmits shared file by bluetooth, the mode such as infrared.Cloud storage is the concept of simultaneously rising with cloud computing in recent years, to the explanation of " cloud storage ", is conventionally: store and can be used as a kind of service, by network, offer user.Like this, as long as each terminal can be networked, just can keep the file synchronization of each terminal room.Therefore, utilizing cloud memory technology is that user's file keeps up-to-date content in a plurality of terminals, and file synchronization is good selection.When but terminal is synchronizeed with Cloud Server at present, the treating capacity of Cloud Server is larger, and file synchronization speed is slower, and especially, when synchronous documents is more, this problem is particularly evident.
Summary of the invention
In view of this, the object of the invention is to propose a kind of file synchronisation method and terminal thereof, to solve, Cloud Server treating capacity is excessive, the slow problem of file synchronization.
Based on above-mentioned purpose, file synchronisation method provided by the invention comprises:
S1, terminal storage synchronization folder last time are carried out the snapshot of file synchronization;
S2, described terminal be to Cloud Server Transmit message synchronization request, and the sign, this terminal that carries this terminal in wherein said synchronization request and Cloud Server carry out the account of synchronizeing of file synchronization;
S3, by after the authentication of Cloud Server, described terminal is obtained high in the clouds listed files from Cloud Server;
S4, described terminal are obtained local file list and snapshot document list, according to path, tripartite's list are put in a list arranged side by side, travel through the list items of this list arranged side by side, and judgement tripartite has or not disappearance; If list items tripartite has disappearance, enter step 5; If list items tripartite, without disappearance, enters step 6;
Deletion, download or the upload operation of S5, execution this locality or high in the clouds file;
The renewal operation of S6, execution this locality or high in the clouds file.
Alternatively, described snapshot refer to when Cloud Server and terminal carry out synchronous after, terminal is obtained high in the clouds attribute and the local attribute of each synchronous documents, and converts thereof into a collection object that comprises high in the clouds attribute and local attribute.
Preferably, described terminal and Cloud Server often carry out after a file synchronization, the snapshot of each synchronous documents in this terminal storage synchronization folder.
Alternatively, the step of deletion, download or the upload operation of described execution this locality or high in the clouds file specifically comprises:
If local file data item does not exist, snapshot document entry exists, and high in the clouds file data item exists, and high in the clouds file is deleted;
If local file data item does not exist, snapshot document entry does not exist, and high in the clouds file data item exists, and high in the clouds file is downloaded to this locality;
If high in the clouds file data item does not exist, snapshot document entry exists, and local file data item exists, and local file is deleted;
If high in the clouds file data item does not exist, snapshot document entry does not exist, and local file data item exists, and local file is uploaded to high in the clouds.
Alternatively, the step of the renewal of described execution this locality or high in the clouds file operation specifically comprises:
By file path and the contrast of MD5 value local and snapshot, judge whether the content of local file changes, if so, by high in the clouds file update, it is synchronizeed with local file;
File path by high in the clouds and snapshot and the contrast of MD5 value, judge whether the content of high in the clouds file changes, and if so, by local file renewal, makes itself and high in the clouds file synchronization.
The present invention also provides a kind of terminal that realizes file synchronization, comprising:
Snapshot memory cell, carries out the snapshot of file synchronization for storing the synchronization folder last time;
Request unit, for to Cloud Server Transmit message synchronization request, the sign, this terminal that carries this terminal in wherein said synchronization request and Cloud Server carry out the account of synchronizeing of file synchronization;
Judging unit, for when by after the authentication of Cloud Server, obtains high in the clouds listed files from Cloud Server; From terminal, obtain local file list and snapshot document list, according to path, tripartite's list is put in a list arranged side by side, travel through the list items of this list arranged side by side, judgement tripartite has or not disappearance simultaneously; If list items tripartite has disappearance, by the first lock unit, processed; If list items tripartite has disappearance, by the second lock unit, processed;
The first lock unit, for carrying out deletion, download or the upload operation of this locality or high in the clouds file;
The second lock unit, for carrying out the renewal operation of this locality or high in the clouds file.
Alternatively, described terminal and Cloud Server often carry out after a file synchronization, the snapshot of each synchronous documents in the snapshot cell stores synchronization folder of this terminal.
Alternatively, when the file of terminal synchronizes file changes, request unit is to Cloud Server Transmit message synchronization request, or every through a time interval during threshold value, and request unit is to Cloud Server Transmit message synchronization request.
Preferably, described the first lock unit, if do not existed for local file data item, snapshot document entry exists, high in the clouds file data item exists, and high in the clouds file is deleted;
If local file data item does not exist, snapshot document entry does not exist, and high in the clouds file data item exists, and high in the clouds file is downloaded to this locality;
If high in the clouds file data item does not exist, snapshot document entry exists, and local file data item exists, and local file is deleted.
If high in the clouds file data item does not exist, snapshot document entry does not exist, and local file data item exists, and local file is uploaded to high in the clouds;
Described the second lock unit, if for tripartite's list without disappearance, by local, contrast with file path and the MD5 value of snapshot, judge whether the content of local file changes, if so, by high in the clouds file update, it is synchronizeed with local file; File path by high in the clouds and snapshot and the contrast of MD5 value, judge whether the content of high in the clouds file changes, and if so, by local file renewal, makes itself and high in the clouds file synchronization.
Preferably, described terminal also comprises high in the clouds listed files memory cell, for the pre-stored synchronization folder last time, carry out the high in the clouds listed files of file synchronization, when high in the clouds listed files occurs to upgrade, terminal is upgraded the high in the clouds listed files of storing in the listed files memory cell of high in the clouds.
As can be seen from above, file synchronisation method provided by the invention and terminal thereof, by increasing snapshot and contrast local, high in the clouds, avoid All Files all to adopt file MD5 value to calculate, and have saved computing time, have accelerated synchronous efficiency.The present invention can solve the treating capacity that reduces Cloud Server, has promoted the speed of file synchronization, and efficiency by Cloud Server synchronizing information is higher, improved user's experience.
Accompanying drawing explanation
Fig. 1 is the flow chart of the file synchronisation method of the embodiment of the present invention;
Fig. 2 is the arrangement schematic diagram of list arranged side by side in the embodiment of the present invention;
Fig. 3 is the structured flowchart that the embodiment of the present invention realizes the terminal of file synchronization.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
With reference to figure 1, it is the flow chart of embodiment of the present invention file synchronisation method, and described file synchronisation method comprises:
Step 101, pre-stored synchronization folder last time of terminal are carried out the snapshot of file synchronization.
Wherein said snapshot is to specify complete usable copy of all properties of a file (comprising high in the clouds and this locality), and this copy comprises the reflection of synchronous documents after completing synchronously.When high in the clouds and this locality carry out synchronous after, terminal is obtained high in the clouds attribute and the local attribute of each synchronous documents, and converts thereof into a collection object that comprises high in the clouds attribute and local attribute, this collection object is exactly snapshot.
Preferably, Cloud Server and terminal are often carried out after a file synchronization, and terminal will be stored the snapshot of each synchronous documents in synchronization folder.
Step 102, described terminal be to Cloud Server Transmit message synchronization request, and the sign, this terminal that carries this terminal in wherein said synchronization request and Cloud Server carry out the account of synchronizeing of file synchronization.User is by account and password login client, each user in client to there being one's own independently synchronization folder.Can set according to user, trigger automatic synchronization file or Timing Synchronization file.When change other ends of synchronous documents double-layered quilt that need to be synchronized to high in the clouds or high in the clouds of local synchronization file change need to be synchronized to this locality time, automatic synchronization file is triggered in local terminal.
Described terminal connects with Cloud Server network, and described terminal can be the various digital equipments such as mobile phone, computer, DPF, camera.
Described Cloud Server comprises cloud storage managing server, cloud storage read-write server and cloud memory space, described cloud memory space comprises high in the clouds synchronization folder, this high in the clouds synchronization folder is for storing user's synchronous documents, described cloud storage managing server comprises the file address list of the address of the file of storing in cloud memory space, and registered user's list, user terminal list, high in the clouds listed files.Cloud storage server user's information described in described registered user's list records, the information of the terminal of same subscriber, the list of the file that described high in the clouds this user of file list record stores in the synchronization folder of described high in the clouds are registered and logged in to described user terminal list records.Described cloud storage read-write server, according to the instruction of cloud storage managing server and file address, is carried out the corresponding operation of upgrading to the file in the synchronization folder of described high in the clouds.Described renewal operation can comprise upload, download, delete, renewal etc.
Terminal sends to described Cloud Server by user's logon information and end message, described Cloud Server receives user's logon information and end message, and user's logon information and end message are compared with registered user's list and user terminal list, judge whether described user is validated user, whether judgement logs in terminal is legal terminal, if so, enters step 103, if not, end-of-job.
Step 103, by Cloud Server, authenticate after, described terminal is obtained high in the clouds listed files from Cloud Server.
Preferably, terminal also can be carried out the high in the clouds listed files of file synchronization the pre-stored synchronization folder last time.So, when high in the clouds listed files occurs to upgrade, terminal only need correspondingly be upgraded the high in the clouds listed files of terminal storage, without again obtaining high in the clouds listed files, can shorten the time that terminal is obtained high in the clouds listed files.
Step 104, described terminal are obtained local file list and snapshot document list, according to path, tripartite's list are put in a list arranged side by side, travel through the list items of this list arranged side by side, and judgement tripartite has or not disappearance.If list items tripartite has disappearance, enter step 105; If list items tripartite, without disappearance, enters step 106.
The list of the file that described this user of local file list records stores in the synchronization folder of described terminal.Because this locality synchronization folder last time that prestored is carried out the snapshot of file synchronization, so the list of the file stored in synchronization folder after described terminal upper once synchronous of snapshot document list records user.
The embodiment of the present invention that writes a composition, by tripartite, according in list arranged side by side as shown in Figure 2, first classifies local file list as, and second classifies snapshot document list as, and the 3rd classifies high in the clouds listed files as, and tripartite is arranged in a list side by side.Travel through respectively the list items of local file list, snapshot document list and high in the clouds listed files, judge whether certain file has disappearance in tripartite's list.For example, judge in tripartite's list whether have file A, can first travel through local file list, then travel through snapshot document list, then travel through high in the clouds listed files.After the disappearance judgement of ends file A, can continue to carry out successively the disappearance judgement of file C, file D, file S.All Files in local file list all finishes, after disappearance judgement, can proceed the missing documents judgements (file W, file E, file H and file I) of snapshot document list and high in the clouds listed files.Preferably, each file in list only once lacks judgement, to avoid repeating judgement, improves versus speed.
It should be noted that, can adjust tripartite's list putting in order in list arranged side by side, also can change the traversal order of list items, be not limited to above-described embodiment.
Deletion, download or the upload operation of step 105, execution this locality or high in the clouds file.
Particularly, tripartite's list is put in a list arranged side by side, travels through the list items of this list arranged side by side, according to the file data of this locality of every row, high in the clouds and snapshot, contrast the operation of these row, as follows:
If local file data item does not exist, snapshot document entry exists, and high in the clouds file data item exists, and high in the clouds file is deleted.
If local file data item does not exist, snapshot document entry does not exist, and high in the clouds file data item exists, and high in the clouds file is downloaded to this locality.
If high in the clouds file data item does not exist, snapshot document entry exists, and local file data item exists, and local file is deleted.
If high in the clouds file data item does not exist, snapshot document entry does not exist, and local file data item exists, and local file is uploaded to high in the clouds.
If snapshot does not exist, that is terminal was not carrying out file synchronization with Cloud Server, cannot form tripartite's list, carried out high in the clouds file down operation.
The renewal operation of step 106, execution this locality or high in the clouds file.
Particularly, in above-mentioned list, if tripartite's list, without disappearance, by file path and the contrast of MD5 value local and snapshot, judges whether the content of local file changes, if so, by high in the clouds file update, it is synchronizeed with local file; File path by high in the clouds and snapshot and the contrast of MD5 value, judge whether the content of high in the clouds file changes, and if so, by local file renewal, makes itself and high in the clouds file synchronization.
Preferably, when terminal background update needs synchronous file, renewal process is shown to UI layer simultaneously.
Step 107, terminal storage synchronization folder complete the snapshot after this file synchronization.
As a preferred embodiment of the present invention, after completing this file synchronization, terminal storage synchronization folder completes the snapshot after this file synchronization, so that terminal is obtained snapshot document list while carrying out next time file synchronization with Cloud Server.
In the present embodiment, the file synchronization of the file synchronization of server end in the synchronization folder of client and in client synchronization folder all adopts breakpoint transmission synchronously and file fragmentation transmission mechanism to server end.Owing to adopting file fragmentation transmission, when uploading modified file, can carry out upload transfers to file fragmentation.Due to breakpoint transmission mechanism, when user modifies to this sheet file, can trigger a second biography operation simultaneously.So only upload the burst of modification, be conducive to accelerate to upload and reduce flow and use.
By the file synchronisation method of the above embodiment of the present invention, the present invention also provides a kind of terminal that realizes file synchronization, and as shown in Figure 3, described terminal comprises:
Described snapshot refer to when Cloud Server and terminal carry out synchronous after, terminal is obtained high in the clouds attribute and the local attribute of each synchronous documents, and converts thereof into a collection object that comprises high in the clouds attribute and local attribute.Preferably, described terminal and Cloud Server often carry out after a file synchronization, the snapshot of each synchronous documents in the snapshot memory cell 301 storage synchronization folder of this terminal.
Can set according to user, trigger automatic synchronization file or Timing Synchronization file.Can set when the file of terminal synchronizes file changes, request unit 302 triggers automatic synchronization file immediately, and request unit 302 is immediately to Cloud Server Transmit message synchronization request.Also can need setting-up time interval threshold according to user, every through a time interval during threshold value, request unit 302 is just immediately to Cloud Server Transmit message synchronization request.
Judging unit 303, for when by after the authentication of Cloud Server, obtains high in the clouds listed files from Cloud Server; From terminal, obtain local file list and snapshot document list, according to path, tripartite's list is put in a list arranged side by side, travel through the list items of this list arranged side by side, judgement tripartite has or not disappearance simultaneously; If list items tripartite has disappearance, by the first lock unit 304, processed; If list items tripartite has disappearance, by the second lock unit 305, processed.Specifically as described in above-described embodiment.
Preferably, described terminal also comprises high in the clouds listed files memory cell 306, carries out the high in the clouds listed files of file synchronization for the pre-stored synchronization folder last time.When high in the clouds listed files occurs to upgrade, terminal only need correspondingly be upgraded the high in the clouds listed files of storage in high in the clouds listed files memory cell 306, without again obtaining high in the clouds listed files, can shorten the time that terminal is obtained high in the clouds listed files.
The first lock unit 304, for carrying out deletion, download or the upload operation of this locality or high in the clouds file.Specifically as described in above-described embodiment.
Particularly, tripartite's list is put in a list arranged side by side, travels through the list items of this list arranged side by side, according to the file data of this locality of every row, high in the clouds and snapshot, contrast the operation of these row, as follows:
If local file data item does not exist, snapshot document entry exists, and high in the clouds file data item exists, and high in the clouds file is deleted.
If local file data item does not exist, snapshot document entry does not exist, and high in the clouds file data item exists, and high in the clouds file is downloaded to this locality.
If high in the clouds file data item does not exist, snapshot document entry exists, and local file data item exists, and local file is deleted.
If high in the clouds file data item does not exist, snapshot document entry does not exist, and local file data item exists, and local file is uploaded to high in the clouds.
If snapshot does not exist, that is terminal was not carrying out file synchronization with Cloud Server, carried out high in the clouds file down operation.
The second lock unit 305, for carrying out the renewal operation of this locality or high in the clouds file.Specifically as described in above-described embodiment.
Particularly, in above-mentioned list, if tripartite's list, without disappearance, by file path and the contrast of MD5 value local and snapshot, judges whether the content of local file changes, if so, by high in the clouds file update, it is synchronizeed with local file; File path by high in the clouds and snapshot and the contrast of MD5 value, judge whether the content of high in the clouds file changes, and if so, by local file renewal, makes itself and high in the clouds file synchronization.
As mentioned above, file synchronisation method provided by the invention and terminal thereof, by increasing snapshot and contrast local, high in the clouds, avoid All Files all to adopt file MD5 value to calculate, and have saved computing time, have accelerated synchronous efficiency.The present invention can solve the treating capacity that reduces Cloud Server, has promoted the speed of file synchronization, and efficiency by Cloud Server synchronizing information is higher, improved user's experience.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a file synchronisation method, is characterized in that, comprising:
S1, terminal storage synchronization folder last time are carried out the snapshot of file synchronization;
S2, described terminal be to Cloud Server Transmit message synchronization request, and the sign, this terminal that carries this terminal in wherein said synchronization request and Cloud Server carry out the account of synchronizeing of file synchronization;
S3, by after the authentication of Cloud Server, described terminal is obtained high in the clouds listed files from Cloud Server;
S4, described terminal are obtained local file list and snapshot document list, according to path, tripartite's list are put in a list arranged side by side, travel through the list items of this list arranged side by side, and judgement tripartite has or not disappearance; If list items tripartite has disappearance, enter step 5; If list items tripartite, without disappearance, enters step 6;
Deletion, download or the upload operation of S5, execution this locality or high in the clouds file;
The renewal operation of S6, execution this locality or high in the clouds file.
2. file synchronisation method according to claim 1, it is characterized in that, described snapshot refer to when Cloud Server and terminal carry out synchronous after, terminal is obtained high in the clouds attribute and the local attribute of each synchronous documents, and converts thereof into a collection object that comprises high in the clouds attribute and local attribute.
3. file synchronisation method according to claim 2, is characterized in that, described terminal and Cloud Server often carry out after a file synchronization, the snapshot of each synchronous documents in this terminal storage synchronization folder.
4. file synchronisation method according to claim 1, is characterized in that, the step of deletion, download or the upload operation of described execution this locality or high in the clouds file specifically comprises:
If local file data item does not exist, snapshot document entry exists, and high in the clouds file data item exists, and high in the clouds file is deleted;
If local file data item does not exist, snapshot document entry does not exist, and high in the clouds file data item exists, and high in the clouds file is downloaded to this locality;
If high in the clouds file data item does not exist, snapshot document entry exists, and local file data item exists, and local file is deleted;
If high in the clouds file data item does not exist, snapshot document entry does not exist, and local file data item exists, and local file is uploaded to high in the clouds.
5. file synchronisation method according to claim 1, is characterized in that, the step of the renewal operation of described execution this locality or high in the clouds file specifically comprises:
By file path and the contrast of MD5 value local and snapshot, judge whether the content of local file changes, if so, by high in the clouds file update, it is synchronizeed with local file;
File path by high in the clouds and snapshot and the contrast of MD5 value, judge whether the content of high in the clouds file changes, and if so, by local file renewal, makes itself and high in the clouds file synchronization.
6. a terminal that realizes file synchronization, is characterized in that, described terminal comprises:
Snapshot memory cell, carries out the snapshot of file synchronization for storing the synchronization folder last time;
Request unit, for to Cloud Server Transmit message synchronization request, the sign, this terminal that carries this terminal in wherein said synchronization request and Cloud Server carry out the account of synchronizeing of file synchronization;
Judging unit, for when by after the authentication of Cloud Server, obtains high in the clouds listed files from Cloud Server; From terminal, obtain local file list and snapshot document list, according to path, tripartite's list is put in a list arranged side by side, travel through the list items of this list arranged side by side, judgement tripartite has or not disappearance simultaneously; If list items tripartite has disappearance, by the first lock unit, processed; If list items tripartite has disappearance, by the second lock unit, processed;
The first lock unit, for carrying out deletion, download or the upload operation of this locality or high in the clouds file;
The second lock unit, for carrying out the renewal operation of this locality or high in the clouds file.
7. the terminal that realizes file synchronization according to claim 6, is characterized in that, described terminal and Cloud Server often carry out after a file synchronization, the snapshot of each synchronous documents in the snapshot cell stores synchronization folder of this terminal.
8. the terminal that realizes file synchronization according to claim 6, it is characterized in that, when the file of terminal synchronizes file changes, request unit is to Cloud Server Transmit message synchronization request, or every through a time interval during threshold value, request unit is to Cloud Server Transmit message synchronization request.
9. the terminal that realizes file synchronization according to claim 6, is characterized in that, described the first lock unit, if do not existed for local file data item, snapshot document entry exists, and high in the clouds file data item exists, and high in the clouds file is deleted;
If local file data item does not exist, snapshot document entry does not exist, and high in the clouds file data item exists, and high in the clouds file is downloaded to this locality;
If high in the clouds file data item does not exist, snapshot document entry exists, and local file data item exists, and local file is deleted.
If high in the clouds file data item does not exist, snapshot document entry does not exist, and local file data item exists, and local file is uploaded to high in the clouds;
Described the second lock unit, if for tripartite's list without disappearance, by local, contrast with file path and the MD5 value of snapshot, judge whether the content of local file changes, if so, by high in the clouds file update, it is synchronizeed with local file; File path by high in the clouds and snapshot and the contrast of MD5 value, judge whether the content of high in the clouds file changes, and if so, by local file renewal, makes itself and high in the clouds file synchronization.
10. the terminal that realizes file synchronization according to claim 6, it is characterized in that, described terminal also comprises high in the clouds listed files memory cell, for the pre-stored synchronization folder last time, carry out the high in the clouds listed files of file synchronization, when high in the clouds listed files occurs to upgrade, terminal is upgraded the high in the clouds listed files of storing in the listed files memory cell of high in the clouds.
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