CN105718329B - Terminal data restoration methods and system - Google Patents
Terminal data restoration methods and system Download PDFInfo
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- CN105718329B CN105718329B CN201610027637.9A CN201610027637A CN105718329B CN 105718329 B CN105718329 B CN 105718329B CN 201610027637 A CN201610027637 A CN 201610027637A CN 105718329 B CN105718329 B CN 105718329B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
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- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Information Transfer Between Computers (AREA)
- Storage Device Security (AREA)
Abstract
The present invention relates to a kind of terminal data restoration methods and systems, wherein method filters out the first invalid operation data the following steps are included: the operation data to terminal verifies；The data volume of first operation data is compared with preset threshold value；If the data volume is less than the threshold value, corresponding second operation data of first operation data is read from terminal local, data recovery is carried out to first operation data according to second operation data；If the data volume is greater than or equal to the threshold value, the corresponding third operation data of first operation data is obtained from exterior of terminal, data recovery is carried out to first operation data according to the third operation data, data recovery effects are good, at low cost.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of terminal data restoration methods and system.
Background technique
Terminal in the process of running, due to various, in fact it could happen that loss of data or damage.It is with TV
Example needs the data type total amount of burning also increasing, but nothing as the TV with network interface is more and more in production link
By the correctness for how ensuring burning process, there is also the data after burning data to lose or wrong in board storage region
Accidentally the case where.
In order to solve this problem, existing solution mainly include the following types:
(1) it is repaired by the way that the TV to go wrong is returned factory, by specialized maintenance personnel again burning data.
(2) by providing upgrading USB flash disk to user, it is put into the data for needing to save in USB flash disk, television board is allowed to burn again
Record data.
(3) it allows TV to connect network, the function of data grabber and burning is selected in custom menu or factory menu, save
The data of loss.
However, scheme (1) needs depot repair or maintenance personal's on-site maintenance, it is at high cost.Scheme (2) is needed using additional
Hardware device, and influenced by the factors such as user's operation and power-off opportunity, at high cost, data recovery effects are poor.Scheme (3) by
The influence of Network status, user's operation and power down opportunity, data recovery effects are poor.
In conclusion current terminal data restoration methods data recovery effects are poor, at high cost.
Summary of the invention
Based on this, it is necessary to for poor, the at high cost problem of prior art data recovery effects, provide a kind of terminal data
Restoration methods and system.
A kind of terminal data restoration methods, comprising the following steps:
The operation data of terminal is verified, the first invalid operation data is filtered out；
The data volume of first operation data is compared with preset threshold value；
If the data volume is less than the threshold value, corresponding second operation of first operation data is read from terminal local
Data carry out data recovery to first operation data according to second operation data；
If the data volume is greater than or equal to the threshold value, first operation data corresponding the is obtained from exterior of terminal
Three operation datas carry out data recovery to first operation data according to the third operation data.
A kind of terminal data recovery system, comprising:
Screening module is verified for the operation data to terminal, filters out the first invalid operation data；
Comparison module, for the data volume of first operation data to compare with preset threshold value；
First recovery module reads first operation from terminal local if being less than the threshold value for the data volume
Corresponding second operation data of data carries out data recovery to first operation data according to second operation data；
Second recovery module obtains described the from exterior of terminal if being greater than or equal to the threshold value for the data volume
It is extensive to carry out data to first operation data according to the third operation data for the corresponding third operation data of one operation data
It is multiple.
Above-mentioned terminal data restoration methods and system, are verified by the operation data to terminal, and it is invalid to filter out
First operation data, when the data volume of the first operation data is smaller from local second operation data that obtains to the first operation data
Data recovery is carried out, third operation data is obtained from exterior of terminal when the data volume of the first operation data is larger and is run to first
Data carry out data recovery, can be realized automaticdata recovery, and data recovery effects are good, at low cost.
Detailed description of the invention
Fig. 1 is the terminal data restoration methods flow chart of one embodiment；
Fig. 2 is the structural schematic diagram of the terminal data recovery system of one embodiment.
Specific embodiment
The embodiment of terminal data restoration methods of the invention is described with reference to the accompanying drawing.
Fig. 1 is the terminal data restoration methods flow chart of one embodiment.As shown in Figure 1, terminal data of the invention is extensive
Compound method can comprise the following steps that
S1 verifies the operation data of terminal, filters out the first invalid operation data；
During terminal operating, the operation data of terminal once can be verified at regular intervals, to detect terminal
The validity of operation data.The operation data may include the physical address of terminal, high bandwidth digital content protection key
(High-bandwidth Digital Content Protection, HDCP), enhanced general interface (Common
Interface Plus, CI+) key and picture quality (Picture Quality, PQ) data.The validity includes operation
Integrality and correctness of data etc..
In one embodiment, check bit can be added in the operation data, and saves the check bit.When to described
When operation data is verified, can calculate the check bit by preset algorithm, and by calculated check bit with prestore
Check bit is compared.If calculated check bit and the check bit prestored be not identical, it can determine that the operation data is nothing
Data are imitated, the invalid data can be set as the first operation data.
S2 compares the data volume of first operation data with preset threshold value；
In this step, the data volume of first operation data can be compared with preset threshold value, and according to comparing
As a result subsequent operation is executed.If the data volume of first operation data is greater than preset threshold value, it is believed that first fortune
Yes data volume is more for row data；Otherwise, it is believed that the data volume of first operation data is less.For example, in step S1 institute
In a few class operation datas listed, it is believed that the data volume of MAC Address and PQ data is less, it is believed that HDCP key and CI+ are close
The data volume of key is more.Wherein, the threshold value can be set as 512 bytes.
S3 reads first operation data corresponding second from terminal local if the data volume is less than the threshold value
Operation data carries out data recovery to first operation data according to second operation data；
It in this step, can be from described in local read if the data volume of first operation data is less than the threshold value
Corresponding second operation data of first operation data.For example, when first operation data is MAC Address or PQ data, it can
The MAC Address or corresponding second operation data of PQ data are read from local.Second operation data can be when leaving the factory
It is solidificated in the software of the terminal, for example, curable in the bar code of the terminal.When the MAC Address or PQ data are lost
When losing or is wrong, corresponding MAC Address or PQ data can be read from the bar code, and according to the MAC Address of reading or PQ number
Data recovery is carried out according to loss or wrong MAC Address or PQ data.
It is corresponding to obtain first operation data from exterior of terminal if the data volume is greater than or equal to the threshold value by S4
Third operation data, according to the third operation data to first operation data carry out data recovery.
In this step, it if the data volume of first operation data is greater than the threshold value, can be obtained from exterior of terminal
The corresponding third operation data of first operation data.The exterior of terminal can be server.If the third runs number
In the server according to storage, it can establish the network connection with exterior of terminal, then, end can be sent by the mark of the terminal
End is external, wherein the mark is transported for distinguishing each terminal, the exterior of terminal according to the corresponding third of the identifier lookup
Row data, finally, can receive the third operation data that exterior of terminal returns.For example, when first operation data is
When HDCP key or CI+ key, the HDCP key or the corresponding third operation data of CI+ key can be obtained from exterior of terminal.
Reduce hardware cost without additional hardware device by downloading corresponding third operation data from server.Moreover, eventually
End can be not necessarily to user's operation, data recovery effects are good during idle time automatically from server downloading data.In addition, the third
Operation data also can store in mobile hard disk.If storage is in a hard disk, the mobile hard disk can be accessed into the terminal,
And corresponding third operation data is read from mobile hard disk.It, can be from when the HDCP key or CI+ key are lost or when mistake
Exterior of terminal obtains corresponding HDCP key or CI+ key, and it is extensive that the HDCP key or CI+ key to loss or mistake carry out data
It is multiple.Before data are restored to complete, in order to guarantee the normal operation of terminal, the data defaulted in terminal software can be used.
Since the data volume of third operation data is larger, external equipment when to third operation data described in terminal transmission,
The third operation data can be divided into multiple data packets.When carrying out data recoveries, terminal can will be obtained from exterior of terminal
Third operation data carries out data assembling；Then, the third operation data after assembling can be stored to corresponding storage region；Most
Afterwards, data recovery can be carried out to first operation data according to the third operation data in the storage region.By this
Mode, once mistake occurs in some data packet, without retransmitting whole third operation datas, it is only necessary to retransmit the data that mistake occurs
Packet improves the efficiency of data recovery.
Data reconstruction method of the invention has the advantage that
(1) it is not necessarily to additional hardware equipment, it is at low cost；
(2) it is manually operated without user, data recovery can be carried out automatically, recovery effects are good；
(3) before data are restored to complete, the data defaulted in terminal software can be used, can guarantee the normal fortune of terminal
Row, will not influence use of the user to terminal.
The embodiment of data recovery system of the invention is described with reference to the accompanying drawing.
Fig. 2 is the structural schematic diagram of the terminal data recovery system of one embodiment.As shown in Fig. 2, terminal of the invention
Data recovery system can include:
Screening module 10 is verified for the operation data to terminal, filters out the first invalid operation data；
During terminal operating, screening module 10 at regular intervals can once be verified the operation data of terminal,
To detect the validity of terminal operating data.The operation data may include the physical address of terminal, high bandwidth digital content guarantor
It protects key (High-bandwidth Digital Content Protection, HDCP), enhanced general interface (Common
Interface Plus, CI+) key and picture quality (Picture Quality, PQ) data.The validity includes operation
Integrality and correctness of data etc..
In one embodiment, check bit can be added in the operation data, and saves the check bit.When to described
When operation data is verified, the first check bit of the operation data can be read by reading unit, and by comparing unit
Calculated check bit is compared with the check bit prestored.If calculated check bit and the check bit prestored be not identical,
Judging unit can determine that the operation data is invalid data, the invalid data can be set as the first operation data.
Comparison module 20, for the data volume of first operation data to compare with preset threshold value；
The comparison module 20 can compare the data volume of first operation data with preset threshold value, and according to than
Relatively result executes subsequent operation.If the data volume of first operation data is greater than preset threshold value, it is believed that described first
The data volume that operation data is is more；Otherwise, it is believed that the data volume of first operation data is less.For example, in step S1
In listed a few class operation datas, it is believed that the data volume of MAC Address and PQ data is less, it is believed that HDCP key and CI+
The data volume of key is more.Wherein, the threshold value can be set as 512 bytes.
First recovery module 30 reads first fortune from terminal local if being less than the threshold value for the data volume
Corresponding second operation data of row data carries out data recovery to first operation data according to second operation data；
If the data volume of first operation data is less than the threshold value, the first recovery module 30 can read institute from local
State corresponding second operation data of the first operation data.For example, when first operation data is MAC Address or PQ data,
First recovery module 30 can read the MAC Address or corresponding second operation data of PQ data from local.Second operation
Data can be solidificated in when leaving the factory in the software of the terminal, for example, curable in the bar code of the terminal.When described
When MAC Address or PQ loss of data or mistake, the first recovery module 30 can read corresponding MAC Address or PQ from the bar code
Data, and data recovery is carried out to the MAC Address or PQ data of loss or mistake according to the MAC Address of reading or PQ data.
Second recovery module 40, if being greater than or equal to the threshold value for the data volume, described in exterior of terminal acquisition
The corresponding third operation data of first operation data carries out data to first operation data according to the third operation data
Restore.
If the data volume of first operation data is greater than the threshold value, the second recovery module 40 can be obtained from exterior of terminal
Take the corresponding third operation data of first operation data.The exterior of terminal can be server.If the third operation
Data store in the server, then can pass through transmission list by establishing the network connection that unit is established with exterior of terminal
The mark of the terminal is sent exterior of terminal by member, wherein the mark is for distinguishing each terminal, the exterior of terminal root
According to the corresponding third operation data of the identifier lookup, finally, exterior of terminal returns described the can be received by receiving unit
Three operation datas.For example, the second recovery module 40 can be from end when first operation data is HDCP key or CI+ key
End is external to obtain the HDCP key or the corresponding third operation data of CI+ key.By downloading corresponding third from server
Operation data reduces hardware cost without additional hardware device.Moreover, terminal can be during idle time automatically from server
Downloading data, is not necessarily to user's operation, and data recovery effects are good.In addition, the third operation data also can store mobile hard
In disk.If storage is in a hard disk, the mobile hard disk can be accessed into the terminal, and read from mobile hard disk corresponding the
Three operation datas.When the HDCP key or CI+ key are lost or are wrong, corresponding HDCP key can be obtained from exterior of terminal
Or CI+ key, HDCP key or CI+ key to loss or mistake carry out data recovery.Before data are restored to complete, in order to
The normal operation for enough guaranteeing terminal, can be used the data defaulted in terminal software.
Since the data volume of third operation data is larger, external equipment when to third operation data described in terminal transmission,
The third operation data can be divided into multiple data packets.It, can will be outside terminal by assembling unit when carrying out data recovery
The third operation data that portion obtains carries out data assembling；Then, the third operation data after assembling can be deposited by storage unit
Store up corresponding storage region；Finally, can by recovery unit according to the third operation data in the storage region to described
First operation data carries out data recovery.In this way, once mistake occurs in some data packet, without retransmitting whole thirds
Operation data, it is only necessary to retransmit the data packet that mistake occurs, improve the efficiency of data recovery.
Data recovery system of the invention has the advantage that
(1) it is not necessarily to additional hardware equipment, it is at low cost；
(2) it is manually operated without user, data recovery can be carried out automatically, recovery effects are good；
(3) before data are restored to complete, the data defaulted in terminal software can be used, can guarantee the normal fortune of terminal
Row, will not influence use of the user to terminal.
Terminal data recovery system of the invention and terminal data restoration methods of the invention correspond, in above-mentioned terminal
Technical characteristic and its advantages that the embodiment of data reconstruction method illustrates are suitable for the implementation of terminal data recovery system
In example, hereby give notice that.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of terminal data restoration methods, which comprises the following steps:
The operation data of terminal is verified, the first invalid operation data is filtered out；
The data volume of first operation data is compared with preset threshold value；
If the data volume is less than the threshold value, the corresponding second operation number of first operation data is read from terminal local
According to according to second operation data to first operation data progress data recovery；
If the data volume is greater than or equal to the threshold value, the corresponding third fortune of first operation data is obtained from exterior of terminal
Row data carry out data recovery to first operation data according to the third operation data；
Include: to the step of first operation data progress data recovery according to the third operation data
The third operation data obtained from exterior of terminal is subjected to data assembling；
By the third operation data storage after assembling to corresponding storage region；
Data recovery is carried out to first operation data according to the third operation data in the storage region.
2. terminal data restoration methods according to claim 1, which is characterized in that the operation data includes the terminal
Physical address, high bandwidth digital content protection key, enhanced general interface secret key and image quality data.
3. terminal data restoration methods according to claim 1, which is characterized in that obtain corresponding third from exterior of terminal
The step of operation data includes:
Establish the network connection with exterior of terminal；Wherein, the exterior of terminal stores the operation data of the terminal；
Exterior of terminal is sent by the mark of the terminal, wherein the mark is for distinguishing each terminal, the exterior of terminal
According to the corresponding third operation data of the identifier lookup；
Receive the third operation data that exterior of terminal returns.
4. terminal data restoration methods according to claim 1, which is characterized in that carry out school to the operation data of terminal
The step of testing, filtering out the first invalid operation data include:
Read the first check bit of the operation data；
First check bit is compared with the second check bit prestored；
If first check bit and the second check bit be not identical, determine that first operation data is invalid.
5. a kind of terminal data recovery system characterized by comprising
Screening module is verified for the operation data to terminal, filters out the first invalid operation data；
Comparison module, for the data volume of first operation data to compare with preset threshold value；
First recovery module reads first operation data from terminal local if being less than the threshold value for the data volume
Corresponding second operation data carries out data recovery to first operation data according to second operation data；
Second recovery module obtains first fortune from exterior of terminal if being greater than or equal to the threshold value for the data volume
The corresponding third operation data of row data carries out data recovery to first operation data according to the third operation data；
Second recovery module further include:
Assembling unit, the third operation data for will obtain from exterior of terminal carry out data assembling；
Storage unit, for the third operation data storage after assembling to corresponding storage region；
Recovery unit, it is extensive for carrying out data to first operation data according to the third operation data in the storage region
It is multiple.
6. terminal data recovery system according to claim 5, which is characterized in that the operation data includes the terminal
Physical address, high bandwidth digital content protection key, enhanced general interface secret key and image quality data.
7. terminal data recovery system according to claim 5, which is characterized in that second recovery module includes:
Unit is established, for establishing and the network connection of exterior of terminal；Wherein, the exterior of terminal stores the operation of the terminal
Data；
Transmission unit, for sending exterior of terminal for the mark of the terminal, wherein the mark is for distinguishing each end
End, the exterior of terminal is according to the corresponding third operation data of the identifier lookup；
Receiving unit, for receiving the third operation data of exterior of terminal return.
8. terminal data recovery system according to claim 5, which is characterized in that the screening module includes:
Reading unit, for reading the first check bit of the operation data；
Comparing unit, for first check bit to be compared with the second check bit prestored；
Judging unit determines that first operation data is nothing if not identical for first check bit and the second check bit
Effect.
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| CN106445820A (en) * | 2016-09-21 | 2017-02-22 | 惠州Tcl移动通信有限公司 | Method and system for optimizing application program operation and mobile terminal |
| CN108197199B (en) * | 2017-12-27 | 2021-10-29 | 珠海市君天电子科技有限公司 | Data monitoring method and device, electronic equipment and computer readable storage medium |
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| CN103731720A (en) * | 2013-11-25 | 2014-04-16 | 乐视致新电子科技（天津）有限公司 | Method and device for caching multimedia data of smart television |
| CN103841461A (en) * | 2014-03-26 | 2014-06-04 | 联想(北京)有限公司 | Method and device for processing information and electronic equipment |
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| CN104391812A (en) * | 2014-12-02 | 2015-03-04 | 联想(北京)有限公司 | Communication method and first electronic equipment |
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| FR2888441A1 (en) * | 2005-07-11 | 2007-01-12 | Thomson Licensing Sas Soc Par | APPARATUS AND METHOD FOR ESTIMATING THE FILLING RATE OF CUSTOMER ENTRY PADS FROM A REAL TIME CONTENT DISTRIBUTION. |
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| CN101222305A (en) * | 2007-01-09 | 2008-07-16 | 华为技术有限公司 | Data retransmission method, system and device |
| CN103731720A (en) * | 2013-11-25 | 2014-04-16 | 乐视致新电子科技（天津）有限公司 | Method and device for caching multimedia data of smart television |
| CN103841461A (en) * | 2014-03-26 | 2014-06-04 | 联想(北京)有限公司 | Method and device for processing information and electronic equipment |
| CN103888317A (en) * | 2014-03-31 | 2014-06-25 | 西南科技大学 | Protocol-independent network redundant flow eliminating method |
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