CN105718329A - Terminal data restoration method and system - Google Patents

Terminal data restoration method and system Download PDF

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Publication number
CN105718329A
CN105718329A CN201610027637.9A CN201610027637A CN105718329A CN 105718329 A CN105718329 A CN 105718329A CN 201610027637 A CN201610027637 A CN 201610027637A CN 105718329 A CN105718329 A CN 105718329A
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China
Prior art keywords
service data
data
terminal
exterior
service
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CN201610027637.9A
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CN105718329B (en
Inventor
任立嘉
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14Error detection or correction of the data by redundancy in operation
    • G06F11/1402Saving, restoring, recovering or retrying
    • G06F11/1415Saving, restoring, recovering or retrying at system level
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14Error detection or correction of the data by redundancy in operation
    • G06F11/1402Saving, restoring, recovering or retrying
    • G06F11/1446Point-in-time backing up or restoration of persistent data
    • G06F11/1448Management of the data involved in backup or backup restore

Abstract

The present invention relates to a terminal data restoration method and system. The method comprises the following steps: checking running data of a terminal, and screening out first running data that is invalid; comparing a data volume of the first running data with a preset threshold; if the data volume is smaller than the threshold, reading second running data corresponding to the first running data from the terminal locally, and performing data restoration on the first running data according to the second running data; and if the data volume is larger than or equal to the threshold, acquiring third running data corresponding to the first running data from outside of the terminal, and performing data restoration on the first running data according to the third running data. The method is excellent in data restoration effect and low in cost.

Description

Terminal data restoration methods and system
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of terminal data restoration methods and system.
Background technology
Terminal is in running, due to various reasons, in fact it could happen that loss of data or damage.For TV, along with the TV with network interface gets more and more, production link need the data type total amount of burning also increasing, in any case but guarantee the correctness of burning process, there is also the data after burning data and lose in board memory area or the situation of mistake.
In order to solve this problem, existing solution mainly has following several:
(1) pass through that the TV gone wrong is returned factory to keep in repair, by specialized maintenance personnel again burning data.
(2) by providing upgrading USB flash disk to user, USB flash disk is put into the data needing to save, allows television board burning data again.
(3) allow TV connect network, custom menu or factory menu select the function of data grabber burning, save the data lost.
But, scheme (1) needs depot repair or maintainer on-site maintenance, and cost is high.Scheme (2) needs to use extra hardware device, and by the impact of the factors such as user operation and power-off opportunity, cost is high, and data recovery effects is poor.Scheme (3) is by the impact on network condition, user operation and power down opportunity, and data recovery effects is poor.
In sum, current terminal data restoration methods data recovery effects is poor, cost high.
Summary of the invention
Based on this, it is necessary to the problem poor for prior art data recovery effects, cost is high, it is provided that a kind of terminal data restoration methods and system.
A kind of terminal data restoration methods, comprises the following steps:
The service data of terminal is verified, filters out the first invalid service data;
By the data volume of described first service data compared with the threshold value preset;
If described data volume is less than described threshold value, reads, from terminal local, the second service data that described first service data is corresponding, according to described second service data, described first service data is carried out data recovery;
If described data volume is more than or equal to described threshold value, obtains, from exterior of terminal, the 3rd service data that described first service data is corresponding, according to described 3rd service data, described first service data is carried out data recovery.
A kind of terminal data recovery system, including:
Screening module, for the service data of terminal is verified, filters out the first invalid service data;
Comparison module, is used for the data volume of described first service data compared with the threshold value preset;
First recovers module, if for described data volume less than described threshold value, reading, from terminal local, the second service data that described first service data is corresponding, according to described second service data, described first service data being carried out data recovery;
Second recovers module, if for described data volume more than or equal to described threshold value, obtaining, from exterior of terminal, the 3rd service data that described first service data is corresponding, according to described 3rd service data, described first service data being carried out data recovery.
Above-mentioned terminal data restoration methods and system, by the service data of terminal is verified, filter out the first invalid service data, obtain the second service data when the data volume of the first service data is less from this locality and the first service data is carried out data recovery, obtain the 3rd service data when the data volume of the first service data is bigger from exterior of terminal and the first service data is carried out data recovery, being capable of automaticdata to recover, data recovery effects is good, cost is low.
Accompanying drawing explanation
Fig. 1 is the terminal data restoration methods flow chart of an embodiment;
Fig. 2 is the structural representation of the terminal data recovery system of an embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the terminal data restoration methods of the present invention is described.
Fig. 1 is the terminal data restoration methods flow chart of an embodiment.As it is shown in figure 1, the terminal data restoration methods of the present invention can comprise the following steps that
S1, verifies the service data of terminal, filters out the first invalid service data;
During terminal operating, can at set intervals the service data of terminal once be verified, to detect the effectiveness of terminal operating data.Described service data can include the physical address of terminal, high bandwidth digital content protection key (High-bandwidthDigitalContentProtection; HDCP); enhanced general interface (CommonInterfacePlus; CI+) key and picture quality (PictureQuality, PQ) data.Described effectiveness includes integrity and the correctness etc. of service data.
In one embodiment, check bit can be added in described service data, and preserve described check bit.When described service data is verified, the algorithm that can pass through to preset calculates described check bit, and the check bit calculated is compared with the check bit prestored.If the check bit calculated differs with the check bit prestored, then can determine that described service data is invalid data, described invalid data can be set to the first service data.
S2, by the data volume of described first service data compared with the threshold value preset;
In this step, by the data volume of described first service data compared with the threshold value preset, and subsequent operation can be performed according to comparative result.If the data volume of described first service data is more than default threshold value, then it is believed that the described first service data data volume that is is more;Otherwise, it is believed that the data volume of described first service data is less.Such as, in a few class service datas listed by step S1, it is believed that the data volume of MAC Address and PQ data is less, it is believed that the data volume of HDCP key and CI+ key is more.Wherein, described threshold value can set that to be 512 bytes.
S3, if described data volume is less than described threshold value, reads, from terminal local, the second service data that described first service data is corresponding, according to described second service data, described first service data is carried out data recovery;
In this step, if the data volume of described first service data is less than described threshold value, the second service data that described first service data is corresponding can be read from this locality.Such as, when described first service data is MAC Address or PQ data, described MAC Address or the second service data corresponding to PQ data can be read from this locality.Described second service data can be solidificated in when dispatching from the factory in the software of described terminal, for instance, curable in the bar code of described terminal.When described MAC Address or PQ loss of data or mistake, corresponding MAC Address or PQ data can be read from described bar code, and according to the MAC Address read or PQ data, MAC Address or the PQ data of loss or mistake are carried out data recovery.
S4, if described data volume is more than or equal to described threshold value, obtains, from exterior of terminal, the 3rd service data that described first service data is corresponding, according to described 3rd service data, described first service data is carried out data recovery.
In this step, if the data volume of described first service data is more than described threshold value, can obtain, from exterior of terminal, the 3rd service data that described first service data is corresponding.Described exterior of terminal can be server.If described 3rd service data stores in the server, the network with exterior of terminal can be set up be connected, then, the mark of described terminal can be sent to exterior of terminal, wherein, described mark is used for distinguishing each terminal, and described exterior of terminal is according to the 3rd service data corresponding to described identifier lookup, finally, described 3rd service data that exterior of terminal returns can be received.Such as, when described first service data is HDCP key or CI+ key, described HDCP key can be obtained from exterior of terminal or the 3rd service data that CI+ double secret key is answered.By downloading the 3rd corresponding service data from server, it is not necessary to extra hardware unit, decrease hardware cost.And, terminal can download data from server at one's leisure automatically, it is not necessary to user operation, data recovery effects is good.It addition, described 3rd service data can also be stored in portable hard drive.If storage is in a hard disk, it is possible to described portable hard drive is accessed described terminal, and reads corresponding 3rd service data from portable hard drive.When described HDCP key or CI+ key are lost or be wrong, corresponding HDCP key or CI+ key can be obtained from exterior of terminal, HDCP key or the CI+ key of loss or mistake is carried out data recovery.Before data have been recovered, in order to ensure the properly functioning of terminal, the data of acquiescence in terminal software can be used.
Owing to the data volume of the 3rd service data is relatively big, described 3rd service data, when to three service data described in terminal transmission, can be divided into multiple packet by external equipment.When carrying out data recovery, the 3rd service data obtained from exterior of terminal can be carried out data assembling by terminal;Then, the 3rd service data after assembling can be stored the memory area of correspondence;Finally, according to the 3rd service data in described memory area, described first service data can be carried out data recovery.In this way, once mistake occurs in certain packet, it is not necessary to retransmit whole 3rd service data, it is only necessary to retransmit the packet made a mistake, improve the efficiency that data are recovered.
The data reconstruction method of the present invention has the advantage that
(1) without additional hardware equipment, cost is low;
(2) without user's manual operation, can automatically carrying out data recovery, recovery effects is good;
(3) before data have been recovered, the data of acquiescence in terminal software can be used, it is possible to ensure the properly functioning of terminal, without influence on user's use to terminal.
Below in conjunction with accompanying drawing, the embodiment of the data recovery system of the present invention is described.
Fig. 2 is the structural representation of the terminal data recovery system of an embodiment.As in figure 2 it is shown, the terminal data recovery system of the present invention comprises the steps that
Screening module 10, for the service data of terminal is verified, filters out the first invalid service data;
During terminal operating, the service data of terminal can once be verified by screening module 10 at set intervals, to detect the effectiveness of terminal operating data.Described service data can include the physical address of terminal, high bandwidth digital content protection key (High-bandwidthDigitalContentProtection; HDCP); enhanced general interface (CommonInterfacePlus; CI+) key and picture quality (PictureQuality, PQ) data.Described effectiveness includes integrity and the correctness etc. of service data.
In one embodiment, check bit can be added in described service data, and preserve described check bit.When described service data is verified, can pass through to read unit and read the first check bit of described service data, and by comparing unit, the check bit calculated be compared with the check bit prestored.If the check bit calculated differs with the check bit prestored, it is determined that unit can determine that described service data is invalid data, described invalid data can be set to the first service data.
Comparison module 20, is used for the data volume of described first service data compared with the threshold value preset;
Described comparison module 20 by the data volume of described first service data compared with the threshold value preset, and can perform subsequent operation according to comparative result.If the data volume of described first service data is more than default threshold value, then it is believed that the described first service data data volume that is is more;Otherwise, it is believed that the data volume of described first service data is less.Such as, in a few class service datas listed by step S1, it is believed that the data volume of MAC Address and PQ data is less, it is believed that the data volume of HDCP key and CI+ key is more.Wherein, described threshold value can set that to be 512 bytes.
First recovers module 30, if for described data volume less than described threshold value, reading, from terminal local, the second service data that described first service data is corresponding, according to described second service data, described first service data being carried out data recovery;
If the data volume of described first service data is less than described threshold value, first recovers module 30 can read the second service data that described first service data is corresponding from this locality.Such as, when described first service data is MAC Address or PQ data, first recovers module 30 can read described MAC Address or the second service data corresponding to PQ data from this locality.Described second service data can be solidificated in when dispatching from the factory in the software of described terminal, for instance, curable in the bar code of described terminal.When described MAC Address or PQ loss of data or mistake, first recovers module 30 can read corresponding MAC Address or PQ data from described bar code, and according to the MAC Address read or PQ data, MAC Address or the PQ data of loss or mistake is carried out data recovery.
Second recovers module 40, if for described data volume more than or equal to described threshold value, obtaining, from exterior of terminal, the 3rd service data that described first service data is corresponding, according to described 3rd service data, described first service data being carried out data recovery.
If the data volume of described first service data is more than described threshold value, second recovers module 40 can obtain, from exterior of terminal, the 3rd service data that described first service data is corresponding.Described exterior of terminal can be server.If described 3rd service data stores in the server, can pass through to set up unit foundation to be connected with the network of exterior of terminal, then, by transmitting element, the mark of described terminal can be sent to exterior of terminal, wherein, described mark is used for distinguishing each terminal, and described exterior of terminal is according to the 3rd service data corresponding to described identifier lookup, finally, can pass through to receive unit and receive described 3rd service data that exterior of terminal returns.Such as, when described first service data is HDCP key or CI+ key, second recovers the 3rd service data that module 40 can obtain described HDCP key from exterior of terminal or CI+ double secret key is answered.By downloading the 3rd corresponding service data from server, it is not necessary to extra hardware unit, decrease hardware cost.And, terminal can download data from server at one's leisure automatically, it is not necessary to user operation, data recovery effects is good.It addition, described 3rd service data can also be stored in portable hard drive.If storage is in a hard disk, it is possible to described portable hard drive is accessed described terminal, and reads corresponding 3rd service data from portable hard drive.When described HDCP key or CI+ key are lost or be wrong, corresponding HDCP key or CI+ key can be obtained from exterior of terminal, HDCP key or the CI+ key of loss or mistake is carried out data recovery.Before data have been recovered, in order to ensure the properly functioning of terminal, the data of acquiescence in terminal software can be used.
Owing to the data volume of the 3rd service data is relatively big, described 3rd service data, when to three service data described in terminal transmission, can be divided into multiple packet by external equipment.When carrying out data recovery, by module units, the 3rd service data obtained from exterior of terminal can be carried out data assembling;Then, by memory element, the 3rd service data after assembling can be stored the memory area of correspondence;Finally, according to the 3rd service data in described memory area, described first service data can be carried out data recovery by recovery unit.In this way, once mistake occurs in certain packet, it is not necessary to retransmit whole 3rd service data, it is only necessary to retransmit the packet made a mistake, improve the efficiency that data are recovered.
The data recovery system of the present invention has the advantage that
(1) without additional hardware equipment, cost is low;
(2) without user's manual operation, can automatically carrying out data recovery, recovery effects is good;
(3) before data have been recovered, the data of acquiescence in terminal software can be used, it is possible to ensure the properly functioning of terminal, without influence on user's use to terminal.
The terminal data restoration methods one_to_one corresponding of the terminal data recovery system of the present invention and the present invention, technical characteristic that the embodiment in above-mentioned terminal data restoration methods is set forth and beneficial effect thereof, all suitable in the embodiment of terminal data recovery system, hereby give notice that.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. a terminal data restoration methods, it is characterised in that comprise the following steps:
The service data of terminal is verified, filters out the first invalid service data;
By the data volume of described first service data compared with the threshold value preset;
If described data volume is less than described threshold value, reads, from terminal local, the second service data that described first service data is corresponding, according to described second service data, described first service data is carried out data recovery;
If described data volume is more than or equal to described threshold value, obtains, from exterior of terminal, the 3rd service data that described first service data is corresponding, according to described 3rd service data, described first service data is carried out data recovery.
2. terminal data restoration methods according to claim 1, it is characterised in that described service data includes the physical address of described terminal, high bandwidth digital content protection key, enhanced general interface secret key and image quality data.
3. terminal data restoration methods according to claim 1, it is characterised in that the step obtaining the 3rd corresponding service data from exterior of terminal includes:
Set up and be connected with the network of exterior of terminal;Wherein, described exterior of terminal stores the service data of described terminal;
The mark of described terminal is sent to exterior of terminal, and wherein, described mark is used for distinguishing each terminal, and described exterior of terminal is according to the 3rd service data corresponding to described identifier lookup;
Receive described 3rd service data that exterior of terminal returns.
4. terminal data restoration methods according to claim 1, it is characterised in that include according to the step that described first service data is carried out data recovery by described 3rd service data:
The 3rd service data obtained from exterior of terminal is carried out data assembling;
The 3rd service data after assembling is stored corresponding memory area;
According to the 3rd service data in described memory area, described first service data is carried out data recovery.
5. terminal data restoration methods according to claim 1, it is characterised in that the service data of terminal is verified, the step filtering out the first invalid service data includes:
Read the first check bit of described service data;
Described first check bit is compared with the second check bit prestored;
If described first check bit and the second check bit differ, it is determined that described first service data is invalid.
6. a terminal data recovery system, it is characterised in that including:
Screening module, for the service data of terminal is verified, filters out the first invalid service data;
Comparison module, is used for the data volume of described first service data compared with the threshold value preset;
First recovers module, if for described data volume less than described threshold value, reading, from terminal local, the second service data that described first service data is corresponding, according to described second service data, described first service data being carried out data recovery;
Second recovers module, if for described data volume more than or equal to described threshold value, obtaining, from exterior of terminal, the 3rd service data that described first service data is corresponding, according to described 3rd service data, described first service data being carried out data recovery.
7. terminal data recovery system according to claim 6, it is characterised in that described service data includes the physical address of described terminal, high bandwidth digital content protection key, enhanced general interface secret key and image quality data.
8. terminal data recovery system according to claim 6, it is characterised in that described second recovers module includes:
Set up unit, be connected for the network set up with exterior of terminal;Wherein, described exterior of terminal stores the service data of described terminal;
Transmitting element, for the mark of described terminal is sent to exterior of terminal, wherein, described mark is used for distinguishing each terminal, and described exterior of terminal is according to the 3rd service data corresponding to described identifier lookup;
Receive unit, for receiving described 3rd service data that exterior of terminal returns.
9. terminal data recovery system according to claim 6, it is characterised in that described second recovers module also includes:
Module units, for carrying out data assembling by the 3rd service data obtained from exterior of terminal;
Memory element, for storing the memory area of correspondence by the 3rd service data after assembling;
Recovery unit, for carrying out data recovery according to the 3rd service data in described memory area to described first service data.
10. terminal data recovery system according to claim 6, it is characterised in that described screening module includes:
Read unit, for reading the first check bit of described service data;
Comparing unit, for comparing described first check bit with the second check bit prestored;
Identifying unit, if differing for described first check bit and the second check bit, it is determined that described first service data is invalid.
CN201610027637.9A 2016-01-15 2016-01-15 Terminal data restoration methods and system Active CN105718329B (en)

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