CN102916993A - Network hard disk data updating method and device - Google Patents
Network hard disk data updating method and device Download PDFInfo
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- CN102916993A CN102916993A CN2011102209766A CN201110220976A CN102916993A CN 102916993 A CN102916993 A CN 102916993A CN 2011102209766 A CN2011102209766 A CN 2011102209766A CN 201110220976 A CN201110220976 A CN 201110220976A CN 102916993 A CN102916993 A CN 102916993A
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Abstract
The invention is applicable to the field of communication and provides a network hard disk data updating method and a network hard disk data updating device. The network hard disk data updating method comprises the following steps: when a client side logs in a network hard disk provided by a server for the first time, acquiring the revising time of each subcatalog stored in the server and caching the revising time of each subcatalog as the updating time of each subcatalog; when the client side logs in the server for the second time, acquiring the total time stamp of a root catalog and the revising time of each subcatalog which are stored in the server; and according to the total time stamp of the root catalog and the revising time of each subcatalog which are acquired from the server, and the updating time of each subcatalog cached in the client side, judging whether to download under each subcatalog in the server to a corresponding subcatalog at a client side. By the network hard disk data updating method and the network hard disk data updating device, the interaction times of the client side and the server is greatly reduced, the access pressure on the service is reduced, and the time for a user to log in the network hard disk is saved.
Description
Technical field
The invention belongs to the communications field, relate in particular to a kind of network hard disc data-updating method and device.
Background technology
In the prior art, the user open and login application program after, connection server, and directly download all data corresponding to this application program from server.Such as behind user's logging in network hard disk, directly download the data that each catalogue corresponding to this network hard disc preserved from server.Because when user's login application program, the data of this application program that server is preserved may not be modified or only have partial data to be modified, in case if therefore user's login application program, just connect server, download all data of this application program from server, not only increase the access pressure of server, and prolong user's login time.
Summary of the invention
The embodiment of the invention provides a kind of network hard disc data-updating method, is intended to solve the problem that server access pressure is excessive and user's login time is long that existing network hard disc data-updating method exists.
The embodiment of the invention is achieved in that a kind of network hard disc data-updating method, and described method comprises the steps:
Client for the first time logon server provide network hard disc the time, obtain the modification time of each subdirectory of server stores, and be the update time of each subdirectory with the modification time buffer memory of described each subdirectory;
In client again during logon server, obtain the total time stamp and the modification time of each subdirectory of the root of server stores;
According to total time of the root that obtains from server stamp, each subdirectory modification time and the update time of each subdirectory of client-cache, determine whether the data under each subdirectory in the server are downloaded under the corresponding subdirectory of client.
Another purpose of the embodiment of the invention is to provide a kind of network hard disc data update apparatus, and described device comprises:
Update time buffer unit, be used for client for the first time logon server provide network hard disc the time, obtain the modification time of each subdirectory of server stores, and be the update time of each subdirectory with the modification time buffer memory of described each subdirectory;
The timestamp acquiring unit is used in client again during logon server, obtains the total time stamp and the modification time of each subdirectory of the root of server stores;
The Data Update identifying unit, be used for the update time of each subdirectory of the modification time of total time stamp, each subdirectory according to the root that obtains from server and client-cache, determine whether the data under each subdirectory in the server are downloaded under the corresponding subdirectory of client.
The present invention passes through the update time at each subdirectory of client-cache network hard disc, and when the user passes through the client connection server, obtain the total time stamp of root of this server stores and the modification time of each subdirectory from server, in order to determine whether that according to each time of obtaining needs download corresponding data from server.Since the update time of each subdirectory of client-cache exist with server in root total time stab the update time that equates the time, the data of the subdirectory of the client-cache of direct display buffer, therefore greatly reduced the number of times of client and server interaction, reduce the access pressure to server, saved the time that the user logins this network hard disc.
Description of drawings
Fig. 1 is the flow chart of the network hard disc data-updating method that provides of first embodiment of the invention;
Fig. 2 is the flow chart of the network hard disc data-updating method that provides of second embodiment of the invention;
Fig. 3 is the structural representation of the network hard disc data update apparatus that provides of third embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the invention is by the update time of each subdirectory in the client-cache network hard disc, at total time of server stores network hard disc root stamp and the modification time of each subdirectory, when the user passes through the client connection server, obtain the total time stamp of root of server stores and the modification time of each subdirectory, and determine whether that according to each time parameter of client and server needs download data under each subdirectory from server.
It is a kind of that the embodiment of the invention provides: network hard disc data-updating method and device.
Described method comprises: client for the first time logon server provide network hard disc the time, obtain the modification time of each subdirectory of server stores, and be the update time of each subdirectory with the modification time buffer memory of described each subdirectory;
In client again during logon server, obtain the total time stamp and the modification time of each subdirectory of the root of server stores;
According to total time of the root that obtains from server stamp, each subdirectory modification time and the update time of each subdirectory of client-cache, determine whether the data under each subdirectory in the server are downloaded under the corresponding subdirectory of client.
Described device comprises: update time buffer unit, be used for client for the first time logon server provide network hard disc the time, obtain the modification time of each subdirectory of server stores, and be the update time of each subdirectory with the modification time buffer memory of described each subdirectory;
The timestamp acquiring unit is used in client again during logon server, obtains the total time stamp and the modification time of each subdirectory of the root of server stores;
The Data Update identifying unit, be used for the update time of each subdirectory of the modification time of total time stamp, each subdirectory according to the root that obtains from server and client-cache, determine whether the data under each subdirectory in the server are downloaded under the corresponding subdirectory of client.
The present invention passes through the update time at each subdirectory of client-cache network hard disc, and when the user passes through the client connection server, obtain the total time stamp of root of this server stores and the modification time of each subdirectory from server, in order to judge whether needs are from the server downloading data in login according to each time of obtaining.Since the update time of each subdirectory of client-cache exist with server in root total time stab the update time that equates the time, the data of the subdirectory of direct display client buffer memory, therefore greatly reduced the number of times of client and server interaction, reduce the access pressure to server, saved the time that the user logins this network hard disc.
For technical solutions according to the invention are described, describe below by specific embodiment.
Embodiment one:
Fig. 1 shows the flow chart of the network hard disc data-updating method that first embodiment of the invention provides, in the present embodiment, preserve the total time stamp and the modification time of all the other each subdirectories of root in the network hard disc bibliographic structure at server, in the update time of all subdirectories of client-cache, and determine whether that according to above-mentioned time parameter needs download data under the subdirectory from server, details are as follows:
In step S11, client for the first time logon server provide network hard disc the time, obtain the modification time of each subdirectory of server stores, and be the update time of each subdirectory with the modification time buffer memory of this each subdirectory.
Further, client for the first time logon server provide network hard disc the time, obtain the modification time of each subdirectory of server stores, and be before the step of update time of each subdirectory with the modification time buffer memory of this each subdirectory, also comprise: the total time of default root is stabbed the modification time with each subdirectory, and the modification time that stabs the total time of this root with each subdirectory is stored on the server.
In the present embodiment, when client is logined the network hard disc with bibliographic structure for the first time, the update time of each subdirectory of this client-cache bibliographic structure, wherein, when equaling client the update time of each subdirectory and upgrading these subdirectory data, the modification time of the subdirectory corresponding with this subdirectory of client-cache in server.Such as, be 16: 30: 30 on the 6th July in 2011 update time of supposing a subdirectory, when 18: 30: 30 on the 6th July in 2011, the data of this subdirectory that server is preserved change, client was carried out the data manipulation of downloading under this subdirectory 16: 30: 30 on the 7th July in 2011, so was updated to 18: 30: 30 on the 6th July in 2011 update time of this subdirectory from 16: 30: 30 on the 6th July in 2011.
In step S12, in client again during logon server, obtain the total time stamp and the modification time of each subdirectory of the root of server stores.
In the present embodiment, when the user when the client connection server, obtain the total time stamp and the modification time of each subdirectory of root that this server preserves.Wherein, the total time of root is stabbed the modification time that always equals the subdirectory of up-to-date modification in the bibliographic structure.For example, set the total time stamp of a root for the root of network hard disc, as long as any file is revised in the network hard disc, the total time stamp of the root of this network hard disc all can and then change.Total time stamp such as root is initially set 16: 30: 30 on the 5th July in 2011, data to the arbitrary subdirectory beyond this root are made amendment, modification time is 16: 31: 30 on the 5th July in 2011, and then the total time of root stamp changed to 16: 31: 30 on the 5th July in 2011 from 16: 30: 30 on the 5th July in 2011.
In the present embodiment, for a bibliographic structure, server is also preserved the modification time of all the other subdirectories in this bibliographic structure except preserving default root timestamp.Wherein, when just setting up a bibliographic structure, the initial value of the modification time of subdirectory is the creation-time of this subdirectory.
In step S13, according to total time of the root that obtains from server stamp, each subdirectory modification time and the update time of each subdirectory of client-cache, determine whether that the data with each subdirectory storage in the server are downloaded under the corresponding subdirectory of client.
Wherein, according to total time of the root that obtains from server stamp, each subdirectory modification time and the update time of each subdirectory of client-cache, determine whether that the step that the data with each subdirectory storage in the server are downloaded under the corresponding subdirectory of client is specially:
A, with update time of each subdirectory of client-cache one by one with server in the total time stamp of root compare, whether update time of arbitrary subdirectory of judging client-cache is identical with the total time stamp of root in the server, if the update time of arbitrary subdirectory of client-cache is identical with the total time stamp of root in the server, then not from the server downloading data, direct data under each subdirectory of display client buffer memory; If the update time of all subdirectories of client-cache all with server in the total time stamp of root not identical, then forward B to.B, judge whether the modification time of each subdirectory that obtains from server is identical with the update time of the corresponding subdirectory of client-cache one by one, if identical, the direct modification time subdirectory data identical with update time of display client buffer memory then, do not download the data of this subdirectory from server, if it is not identical, then in login, download the modification time subdirectory data different from update time from server, and the update time of upgrading the subdirectory of client-cache, and the legacy data under this subdirectory of deletion client-cache.A subdirectory of preserving such as server is first, the modification time of this subdirectory first is 16: 31: 30 on the 5th July in 2011, be 16: 31: 30 on the 4th July in 2011 update time of client subdirectories first, then as can be known, the modification time of the subdirectory first of server is different from the update time of the subdirectory first of client, therefore download the data of this subdirectory first preservation with the data of the subdirectory first of renewal client-cache from server, and will be updated to update time of this subdirectory first in the client 16: 31: 30 on the 5th July in 2011, and deletion subdirectory first corresponding former data when be 16: 31: 30 on the 4th July in 2011 update time.
In first embodiment of the invention, client-cache has update time of each subdirectory of the application program of bibliographic structure, and when the user passes through the client connection server, obtain the total time stamp of root of this server stores and the modification time of each subdirectory from server, in order to judge whether needs are from the server downloading data in login according to each time of obtaining.Because when exist the update time that equates with the total time stamp of root the update time of each subdirectory, the data of the subdirectory of direct display buffer, therefore greatly reduced the number of times of client and server interaction, reduced the access pressure to server, and, there is not the update time that equates with the total time stamp of root in the update time of each subdirectory, and the update time of each subdirectory is when existing at least one not wait with corresponding modification time, only from the data of server down loading updating time and the unequal subdirectory of modification time, because all data that each subdirectory is not preserved from server download directory structure, therefore save download time, saved the time that the user logins application program corresponding to this bibliographic structure.
Embodiment two:
Fig. 2 shows the flow chart of the network hard disc data-updating method that second embodiment of the invention provides, and details are as follows:
In step S21, the total time of default root is stabbed the modification time with each subdirectory, and the modification time that stabs the total time of this root with each subdirectory is stored on the server.
In the present embodiment, step S22～step S24 and embodiment one step S11～step S13 is identical, repeat no more herein.
In S25, after the subdirectory data modification instruction that receives user's input, according to this subdirectory data modification instruction the data under the corresponding sub directory in the server are made amendment, and revise the modification time of corresponding sub directory.
In the present embodiment, when if the user need to revise data under the network hard disc subdirectories, then send the instruction of subdirectory data modification to client, client sends to server with this subdirectory data modification instruction again, so that server is made amendment to the data of this subdirectory.Wherein, the data of subdirectory are made amendment to be comprised and uploads new data under this subdirectory, perhaps deletes the part or all of data under this subdirectory.
Receive the subdirectory data modification instruction of user's input when server after, according to this subdirectory data modification instruction the data under the corresponding subdirectory in the server are made amendment, simultaneously data are made amendment through the modification time of the subdirectory of modification.
In second embodiment of the invention, if server receives the subdirectory data modification instruction that the user sends by client, then according to this subdirectory data modification instruction the data under the corresponding subdirectory in the server are made amendment, and after the subdirectory data modification finishes, the modification time of this subdirectory is updated to the current time.
Embodiment three:
Fig. 3 shows the structural representation of the network hard disc data update apparatus that third embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with the embodiment of the invention.
This network hard disc data update apparatus can be used for by the various information processing terminals wired or wireless network Connection Service end, mobile phone for example, pocket computer (Pocket Personal Computer, PPC), palmtop PC, computer, notebook computer, personal digital assistant (Personal Digital Assistant, PDA) etc., it can be the software unit that runs in these terminals, the unit that hardware cell or software and hardware combine, also can be used as independently, suspension member is integrated in these terminals or runs in the application system of these terminals, wherein:
Update time, buffer unit 21, be used for client for the first time logon server provide network hard disc the time, obtain the modification time of each subdirectory of server stores, and be the update time of each subdirectory with the modification time buffer memory of this each subdirectory.
Timestamp acquiring unit 22 is used in client again during logon server, obtains the total time stamp and the modification time of each subdirectory of the root of server stores.
In the present embodiment, in the server in the total time of root stamp and the server modification time of the subdirectory of the up-to-date modification of same bibliographic structure identical, after the data of having revised a subdirectory, the modification time of this subdirectory is also changed accordingly, and the total time of root stamp also can be revised as the up-to-date modification time that equals this subdirectory.
Data Update identifying unit 23, be used for the update time of each subdirectory of the modification time of total time stamp, each subdirectory according to the root that obtains from server and client-cache, determine whether the data under each subdirectory in the server are downloaded under the corresponding subdirectory of client.
Wherein, Data Update identifying unit 23 comprises: the direct display module 231 of directory information and directory information update module 232.
The direct display module 231 of this directory information, be used for update time of arbitrary subdirectory of client-cache with stab when identical data under each subdirectory of direct display client buffer memory the total time of the root that obtains from server.
This directory information update module 232, be used for update time of all subdirectories of client-cache all with the root that obtains from server total time, stamp was not identical the time, whether the modification time of judging one by one each subdirectory in the server is identical with the update time of corresponding each subdirectory of client-cache, if identical, direct data under the display update time subdirectory identical with update time then, if it is not identical, then download data under the modification time subdirectory different from update time from server, and upgrade client-cache this subdirectory update time and delete legacy data under this subdirectory of client-cache.
Further, this network hard disc data update apparatus also comprises server directory information modification unit 24.
Server directory information is revised unit 24, is used for according to this subdirectory data modification instruction the data under the corresponding sub directory in the server being made amendment after the subdirectory data modification instruction that receives user's input, and revises the modification time of corresponding sub directory.
In third embodiment of the invention, Data Update identifying unit 23 according to update time buffer unit 21 buffer memorys subdirectory update time and timestamp acquiring unit 22 each selection of time of preserving whether from the server downloading data.Because when exist the update time that equates with the total time stamp of root in the server update time of each subdirectory in client, data under the subdirectory of direct display client buffer memory, therefore greatly reduce the number of times of client and server interaction, reduced the access pressure to server
The update time of each subdirectory of the network hard disc of the present invention by having bibliographic structure at client-cache, and when the user passes through the client connection server, obtain the total time stamp of root of this server stores and the modification time of each subdirectory from server, in order to determine whether that according to each time of obtaining needs download data under the subdirectory from server.Because when exist the update time that equates with the total time stamp of root in the service end update time of each subdirectory in client, data in the direct display client under the subdirectory of buffer memory, therefore greatly reduced the number of times of client and server interaction, reduced the access pressure to server, and, do not exist the update time that equates with the total time stamp of root in the service end update time of each subdirectory in client, and the update time of each subdirectory is when corresponding modification time exists one not wait at least in the client end, data under server down loading updating time and the unequal subdirectory of modification time only, because all data that each subdirectory is not preserved from server download directory structure, therefore save download time, saved the time that the user logins application program corresponding to this bibliographic structure.Further, if server receives the subdirectory data modification instruction that the user sends by client, then according to the data under the corresponding sub directory in this subdirectory data modification instruction modification server, thereby need to upload new subdirectory data the user, when perhaps deleting the legacy data of subdirectory, can the time update server in data under the corresponding sub directory.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a network hard disc data-updating method is characterized in that, described method comprises the steps:
Client for the first time logon server provide network hard disc the time, obtain the modification time of each subdirectory of server stores, and be the update time of each subdirectory with the modification time buffer memory of described each subdirectory;
In client again during logon server, obtain the total time stamp and the modification time of each subdirectory of the root of server stores;
According to total time of the root that obtains from server stamp, each subdirectory modification time and the update time of each subdirectory of client-cache, determine whether the data under each subdirectory in the server are downloaded under the corresponding subdirectory of client.
2. the method for claim 1 is characterized in that, the update time of the subdirectory of client-cache, when equaling client and upgrading data under the described subdirectory in server the modification time of the data under the corresponding subdirectory.
3. the method for claim 1, it is characterized in that, the update time of each subdirectory of the total time stamp of the root that described basis is obtained from server, the modification time of each subdirectory and client-cache, determine whether that the step that the data with each subdirectory storage in the server are downloaded under the corresponding subdirectory of client is specially:
When update time of arbitrary subdirectory of client-cache with stab when identical direct data under each subdirectory of display client buffer memory the total time of the root that obtains from server.
4. the method for claim 1, it is characterized in that, the update time of each subdirectory of the total time stamp of the root that described basis is obtained from server, the modification time of each subdirectory and client-cache, determine whether that the step that the data with each subdirectory storage in the server are downloaded under the corresponding subdirectory of client is specially:
When update time of all subdirectories of client-cache all with the root that obtains from server total time, stamp was not identical the time, whether the modification time of judging one by one each subdirectory in the server is identical with the update time of corresponding each subdirectory of client-cache, if identical, direct data under the display update time subdirectory identical with update time then, if it is not identical, then download data under the modification time subdirectory different from update time from server, and upgrade client-cache described subdirectory update time and delete legacy data under the described subdirectory of client-cache.
5. the method for claim 1, it is characterized in that, the update time of each subdirectory of the total time stamp of the root that obtains from server in described basis, the modification time of each subdirectory and client-cache, determine whether the data under each subdirectory in the server are downloaded to after the step under the corresponding subdirectory of client, further comprise the steps:
After the subdirectory data modification instruction that receives user's input, instruction is made amendment to the data under the corresponding sub directory in the server according to described subdirectory data modification, and revises the modification time of corresponding sub directory.
6. a network hard disc data update apparatus is characterized in that, described device comprises:
Update time buffer unit, be used for client for the first time logon server provide network hard disc the time, obtain the modification time of each subdirectory of server stores, and be the update time of each subdirectory with the modification time buffer memory of described each subdirectory;
The timestamp acquiring unit is used in client again during logon server, obtains the total time stamp and the modification time of each subdirectory of the root of server stores;
The Data Update identifying unit, be used for the update time of each subdirectory of the modification time of total time stamp, each subdirectory according to the root that obtains from server and client-cache, determine whether the data under each subdirectory in the server are downloaded under the corresponding subdirectory of client.
7. device as claimed in claim 6 is characterized in that, described Data Update identifying unit comprises:
The direct display module of directory information, be used for update time of arbitrary subdirectory of client-cache with stab when identical data under each subdirectory of direct display client buffer memory the total time of the root that obtains from server.
8. device as claimed in claim 6 is characterized in that, described Data Update identifying unit comprises:
The directory information update module, be used for update time of all subdirectories of client-cache all with the root that obtains from server total time, stamp was not identical the time, whether the modification time of judging one by one each subdirectory in the server is identical with the update time of corresponding each subdirectory of client-cache, if identical, direct data under the display update time subdirectory identical with update time then, if it is not identical, then download data under the modification time subdirectory different from update time from server, and upgrade client-cache described subdirectory update time and delete legacy data under the described subdirectory of client-cache.
9. device as claimed in claim 6 is characterized in that, described device also comprises:
Server directory information is revised the unit, is used for after the subdirectory data modification instruction that receives user's input, and instruction is made amendment to the data under the corresponding sub directory in the server according to described subdirectory data modification, and revises the modification time of corresponding sub directory.
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| CN201110220976.6A CN102916993B (en) | 2011-08-03 | 2011-08-03 | A kind of network hard disc data-updating method and device |
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| CN102916993B (en) | 2016-06-15 |
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