CN110262816A - It is a kind of to power off the upgrade method and its terminal system resumed - Google Patents
It is a kind of to power off the upgrade method and its terminal system resumed Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 239000000872 buffer Substances 0.000 claims abstract description 50
- 238000004321 preservation Methods 0.000 claims description 8
- 102000006479 Heterogeneous-Nuclear Ribonucleoproteins Human genes 0.000 claims description 6
- 108010019372 Heterogeneous-Nuclear Ribonucleoproteins Proteins 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 abstract description 15
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 230000008569 process Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000001629 sign test Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
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- G06F8/65—Updates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
- H04W8/245—Transfer of terminal data from a network towards a terminal
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Abstract
The invention discloses a kind of upgrade methods and its terminal system for powering off and resuming, and are suitable for terminal system, comprising the following steps: S1: downloading upgrade package, will be in the buffer pool of data flow cache to memory；S2: when the length of the data flow currently cached does not meet the size of buffer pool, force write-in is customized to resume in file the data flow cached, starting point can be saved by file record pointer real-time update and tab file downloading starting point and file according to the write-in of data flow by resuming file；S3: as power-off restarting occurs, then continued to download upgrade package according to file download starting point, and save starting point according to file and continue to save data flow.By implementing the present invention, realize the loss for preventing breakpoint transmission from continuing downloading upgrading bag data after power-off restarting, the upgrade problem occurred during carrying in the absence of power is solved, and to the perfect of Android intelligent equipment upgrade function, has brought the better experience of user.
Description
Technical field
The present invention relates to field of computer network communication more particularly to a kind of upgrade method that power-off resumes and its terminal systems
System.
Background technique
The indispensable remote maintenance of Android smart machine and update, long-range update need to download update packet, then rise
Grade；For equipment safety, upgrading packet signature can be verified before upgrading.Equipment uses breakpoint transmission function at present, is setting
After the case where standby suspension, continues to download upgrade package when waiting network connections, realize not repeated downloads；But during device downloads
Power-off suddenly, continues to download after booting, and the signature error that will appear very maximum probability when upgrading is completed in downloading, so as to cause that can not sentence
Whether the update packet that breaks is security update packet, also causes to update and fails.
Summary of the invention
It was wrapped the technical problem to be solved in the present invention is that being updated for the downloading of Android smart machine in the prior art
It is powered off suddenly in journey, using breakpoint transmission function, will appear the defect of upgrade package signing messages loss after the completion of subsequent download, mention
The upgrade method and its terminal system that resume are powered off for a kind of.
The technical solution adopted by the present invention to solve the technical problems is: a kind of upgrade method for powering off and resuming is constructed,
Suitable for terminal system, comprising the following steps:
S1: downloading upgrade package, it will be in the buffer pool of data flow cache to memory；
S2: it when the length of the data flow currently cached does not meet the size of the buffer pool, has been cached described
Data flow forces write-in is customized to resume in file, and the file that resumes can be referred to according to the write-in of data flow by file record
Needle real-time update and tab file downloading starting point and file preservation starting point；
S3: as power-off restarting occurs, then continued to download upgrade package according to the file download starting point, and according to the text
The starting point that part saves continues to save data flow.
Preferably, in the upgrade method of the present invention for powering off and resuming, the step S1 includes:
Terminal sends request data to server and checks whether there is update, if so, upgrading package informatin is then parsed, downloading upgrading
Packet calls write method will be in the buffer pool of data flow cache to memory.
Preferably, in the upgrade method of the present invention for powering off and resuming, the step S2 includes:
S2-1: when the length of the data flow currently cached does not meet the size of the buffer pool, flush method is called
Or close method, pressure brush out the data flow cached in the buffer pool；
S2-2: the customized file that resumes is a customized class, and binary stream read-write interface and can is arranged
The file record pointer of starting point is saved according to the write-in real-time update of data flow and tab file downloading starting point and file；
S2-3: pressure is brushed out to the data flow cached in the buffer pool and passes through binary stream read-write interface write-in
In the customized class, using the file record pointer according to the write-in of data flow and real-time update and mark node as
File download starting point and file save starting point.
Preferably, in the upgrade method of the present invention for powering off and resuming, after power-off restarting occurs further include:
The node marked when powering off is determined by the file record pointer, obtains file download starting point and file saves
Starting point.
Preferably, in the upgrade method of the present invention for powering off and resuming, the method also includes:
S4: upgrade package downloading is completed, verifying upgrading packet signature, if signing messages is correct, restarting equipment completes upgrading；If
It is no, then it prompts customer upgrade to fail, re-downloads upgrade package.
A kind of terminal system for powering off and resuming has also been constructed in the present invention, comprising:
Processing module will be in the buffer pool of data flow cache to memory for downloading upgrade package；
Mark module, for when the length of the data flow currently cached does not meet the size of the buffer pool, by institute
Stating the data flow cached in processing module forces write-in is customized to resume in file, and the file that resumes can be according to data flow
Write-in is by file record pointer real-time update and tab file downloads starting point and file saves starting point；
Module is resumed, for power-off restarting such as to occur, then under continuing according to the file download starting point in the mark module
Upgrade package is carried, and starting point is saved according to file and continues to save data flow.
Preferably, in the terminal system of the present invention for powering off and resuming, the processing module includes:
Request module checks whether there is update for sending request data to server；
Parsing module, when having checked update for the request module, parsing upgrading package informatin；
Download module, the upgrade package parsed for downloading the parsing module；
Cache module, for calling write method by the data flow cache of download module downloading upgrade package to memory
Buffer pool in.
Preferably, in the terminal system of the present invention for powering off and resuming, the mark module includes:
Module is brushed out, for calling when the length of the data flow currently cached does not meet the size of the buffer pool
Flush method or close method, pressure brush out the data flow cached in the buffer pool；
Setup module is a customized class for the customized file that resumes, and setting binary stream, which is read and write, to be connect
Mouthful and can be referred to according to the file record of the write-in real-time update of data flow and tab file downloading starting point and file preservation starting point
Needle；
Writing module, for forcing to brush out the data flow cached and pass through institute described brush out in module in the buffer pool
Binary stream read-write interface is stated to be written in the customized class, with the file record pointer according to the write-in of data flow reality
The node of Shi Gengxin and label saves starting point as file download starting point and file.
Preferably, described to resume mould after power-off restarting occurs in the terminal system of the present invention for powering off and resuming
Block is also used to determine the node marked when powering off by the file record pointer, obtains file download starting point and file is protected
Deposit starting point.
Preferably, in the terminal system that present invention power-off described in any of the above embodiments resumes, the terminal system is also wrapped
It includes:
Authentication module, for completing upgrade package downloading, verifying upgrades packet signature, if signing messages is correct, restarting equipment
Complete upgrading；If it is not, then customer upgrade is prompted to fail, upgrade package is re-downloaded.
By applying the present invention, having the advantages that
The present invention passes through the number that when the length of the data flow currently cached does not meet the size of buffer pool, will cache
Force write-in is customized to resume in file according to stream, resuming file can be real-time by file record pointer according to the write-in of data flow
It updates and tab file downloading starting point and file saves starting point, power-off restarting such as occurs, then under continuing according to file download starting point
Upgrade package is carried, and starting point is saved according to file and continues to save data flow, so that realizing prevents breakpoint transmission in power-off restarting
The loss for continuing downloading upgrading bag data afterwards solves the upgrade problem occurred during carrying in the absence of power, and to Android intelligence
Device upgrade function it is perfect, brought the better experience of user.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the upgrade method flow chart that present invention power-off resumes；
Fig. 2 is the module frame chart for the terminal system that present invention power-off resumes.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
Android device needs under remotely when radio firmware upgrades (FOTA, Firmware Over the Air)
Carry upgrade package.In downloading, equipment needs to possess breakpoint transmission function, to prevent in downloading process equipment because being needed after suspension under reproduction
Carry upgrade package；For equipment safety, equipment needs the upgrade package of downloading to carry out signing messages verifying, and preventing the packet not is by public affairs
Department signs and issues.It will appear equipment in practice under offline condition, there is breakpoint transmission function, upgrade package can continue to download, and
Success upgrades；But powered off in downloading process, continue downloading after booting and complete, when upgrading will appear device authentication downloading upgrading
Packet will fail, and upgrade package signature verification does not pass through.It thus needs to design a kind of power off and resumes function, to realize downloading upgrade package
When, the various of appearance cause downloading to stop, and then continuing downloading after the completion is not in that upgrade package signing messages is lost.
The purpose of upgrade package signature verification is that third party illegally tampers with a document effective content and illegal update in order to prevent
Biography is wrapped, is updated so as to cause unauthorized applications into Android device.Difficulty of the present invention is how to protect in power process
The data deposited will not be wrong, needs in subsequent download breakpoint consistent with the breakpoint saved；Without influencing already present encryption data,
And effective content of file；In addition, the sign test logic for not influencing Android system is required on the verifying of upgrade package, by under file
Load, file preservation mechanism and sign test mechanism.
Power-off of the invention resumes the extension that function is breakpoint transmission, and the data in downloading process are write direct file,
It is not required to as in the prior art, need to carry out refresh operation to I/O port by other stream, then data are saved；In power-off restarting
Afterwards, download point is tag as starting point downloading to save file size, saves file and starts to add preservation data backward with the tag；
And if this document uses the tag for saving and downloading as starting point, will appear very maximum probability signature problem after the completion of downloading because can be generally
The forthright starting point tag for occurring saving can be in different size with file download, and the upgrade package signed data preservation downloaded in this way can go out
First there is mistake.Because when data flow is stored in buffer pool in advance, after the length of data flow meets the size in buffer pool,
Transmission that just can be blocking by the data flow in buffer pool needs to continue if the length of data flow is unsatisfactory for the size in buffer pool
Deposit, pending data stream, which meets, prestores transmission blocking again after size.Often in sending file processes, the data of end of file are big
The small size for not being able to satisfy buffer pool, the data for eventually leading to this part, which rest on buffer pool, to be sent.At this moment, the present invention is just
It needs after write method, calls flush method manually, force to brush out the data flow in buffer pool, even if data flow length is not
Meet the size of buffer pool, to guarantee the normal transmission of data flow.Also after the close method that stream can be called, system automatically will
The data of output streambuf brush out, while can guarantee that the physical resource of stream is recovered.
Therefore, in file download directly file is written in data flow by the present invention, is operated if being flowed with other IO, it is necessary to
File is written in plush refresh data stream, is unable to control whether stream is written in power process, so as to cause final downloading packet signature
It loses.Wherein, file writing mode: a customized class realizes binary stream read-write interface, and file record pointer is arranged, with
Other iostream is not both that can move freely file record pointer, determines that file download starting point and file are protected by pointer
Starting point is deposited, is cut without plush data.
Restart downloading after power-off, downloading starting point need to be set, seek power-off when file save a node, subsequent download from this
Node starts to download, and saves file and also saves from the node start recording, and complete upgrade package can be downloaded and be saved by this,
The signing messages that former breakpoint transmission occurs is avoided the occurrence of to lose
Its complete correctly downloading principle as shown in Figure 1, Fig. 1 is the upgrade method flow chart that present invention power-off resumes,
The present invention constructs a kind of upgrade method for powering off and resuming, and is suitable for terminal system, comprising the following steps:
S1: downloading upgrade package, it will be in the buffer pool of data flow cache to memory；Specifically, step S1 includes: that terminal is sent
Request data to server checks whether there is update, if so, then parsing upgrading package informatin, downloads upgrade package, calls write method
It will be in the buffer pool of data flow cache to memory；Wherein, the write method belongs in file I/O operation for writing to file
Enter the function of data.
S2: when the length of the data flow currently cached does not meet the size of buffer pool, the data flow cached is strong
System write-in is customized to be resumed in file, and file record pointer real-time update can be passed through simultaneously according to the write-in of data flow by resuming file
Tab file downloads starting point and file saves starting point；Specifically, step S2 includes:
S2-1: when the length of the data flow currently cached does not meet the size of buffer pool, call flush method or
Close method, pressure brush out the data flow cached in buffer pool；Wherein, the flush method belongs to file I/O operation
In be used for flush buffers function；The close method belong to file I/O operation in be used to flush buffers after close data
The function of stream；
S2-2: the customized file that resumes is a customized class, and binary stream read-write interface and can basis is arranged
Write-in real-time update and tab file the downloading starting point and file of data flow save the file record pointer of starting point；
S2-3: it is customized by the write-in of binary stream read-write interface that pressure is brushed out to the data flow cached in buffer pool
In class, using file record pointer according to the write-in of data flow the real-time update and node marked is as file download starting point and text
Part saves starting point
S3: as power-off restarting occurs, then continued to download upgrade package according to file download starting point, and saved according to file
Point continues to save data flow.Completely, as after power-off restarting occurs further include: determined by file record pointer and marked when powering off
Node, obtain file download starting point and file and save starting point, continued to download upgrade package, Yi Jigen according to file download starting point
Starting point is saved according to file to continue to save data flow.
S4: upgrade package downloading is completed, verifying upgrading packet signature, if signing messages is correct, restarting equipment completes upgrading；If
It is no, then it prompts customer upgrade to fail, re-downloads upgrade package.
Fig. 2 is the module frame chart for the terminal system that present invention power-off resumes, as shown in Fig. 2, one kind has also been constructed in the present invention
Power off the terminal system resumed, comprising:
Processing module will be in the buffer pool of data flow cache to memory for downloading upgrade package；
Mark module, for mould will to be handled when the length of the data flow currently cached does not meet the size of buffer pool
The data flow cached in block forces write-in is customized to resume in file, and text can be passed through according to the write-in of data flow by resuming file
Part record pointer real-time update and tab file downloading starting point and file preservation starting point；
Module is resumed, for as power-off restarting occurs, then continuing downloading according to the file download starting point in mark module and rising
Grade packet, and starting point is saved according to file and continues to save data flow；
Authentication module, for completing upgrade package downloading, verifying upgrades packet signature, if signing messages is correct, restarting equipment
Complete upgrading；If it is not, then customer upgrade is prompted to fail, upgrade package is re-downloaded
Specifically, which includes: request module, parsing module, download module and cache module.It please modulus
Block checks whether there is update for sending request data to server；Parsing module has checked update for request module
When, parsing upgrading package informatin；Download module, the upgrade package parsed for download parsing module；Cache module, for calling
Write method is by the data flow cache of download module downloading upgrade package into the buffer pool of memory.Wherein, the write method
Belong in file I/O operation for the function to file write data.
Mark module includes: to brush out module, setup module and writing module.Module is brushed out, for having cached currently
The length of data flow when not meeting the size of buffer pool, call flush method or close method, force by buffer pool
The data flow of caching brushes out；Setup module is a customized class for the customized file that resumes, and setting binary stream is read
It writes interface and can be remembered according to the file that write-in real-time update and tab file the downloading starting point and file of data flow save starting point
Record pointer；Writing module, for will brush out in module force brush out the data flow cached in buffer pool by binary stream reading
Interface is write to be written in customized class, with file record pointer according to the write-in of data flow the real-time update and node marked is made
Starting point is saved for file download starting point and file.Wherein, the flush method belongs in file I/O operation for refreshing buffering
The function in area；The close method belongs in file I/O operation the function that data flow is closed behind flush buffers.
After power-off restarting such as occurs, module is resumed, is also used to determine the node marked when powering off by file record pointer,
It obtains file download starting point and file saves starting point, continued to download upgrade package according to the file download starting point in mark module,
And starting point is saved according to file and continues to save data flow.
By applying the present invention, having the advantages that
The present invention passes through the number that when the length of the data flow currently cached does not meet the size of buffer pool, will cache
Force write-in is customized to resume in file according to stream, resuming file can be real-time by file record pointer according to the write-in of data flow
It updates and tab file downloading starting point and file saves starting point, power-off restarting such as occurs, then under continuing according to file download starting point
Upgrade package is carried, and starting point is saved according to file and continues to save data flow, so that realizing prevents breakpoint transmission in power-off restarting
The loss for continuing downloading upgrading bag data afterwards solves the upgrade problem occurred during carrying in the absence of power, and to Android intelligence
Device upgrade function it is perfect, brought the better experience of user.
The present invention be illustrated by specific embodiment, it will be appreciated by those skilled in the art that, do not departing from this hair
In the case where bright range, various transformation and equivalent substitute can also be carried out to the present invention.In addition, being directed to particular condition or specific feelings
Condition can do various modifications to the present invention, without departing from the scope of the present invention.Therefore, the present invention is not limited to disclosed tool
Body embodiment, and should include the whole embodiments fallen within the scope of the appended claims.
Claims (10)
1. a kind of power off the upgrade method resumed, it is suitable for terminal system, which comprises the following steps:
S1: downloading upgrade package, it will be in the buffer pool of data flow cache to memory；
S2: when the length of the data flow currently cached does not meet the size of the buffer pool, by the data cached
Stream forces write-in is customized to resume in file, and the file that resumes can be real by file record pointer according to the write-in of data flow
Shi Gengxin and tab file downloading starting point and file preservation starting point；
S3: as power-off restarting occurs, then continued to download upgrade package according to the file download starting point, and protected according to the file
Starting point is deposited to continue to save data flow.
2. according to claim 1 power off the method that resumes, which is characterized in that the step S1 includes:
Terminal sends request data to server and checks whether there is update, if so, then parsing upgrading package informatin, downloads upgrade package,
Call write method will be in the buffer pool of data flow cache to memory.
3. according to claim 2 power off the method that resumes, which is characterized in that the step S2 includes:
S2-1: when the length of the data flow currently cached does not meet the size of the buffer pool, call flush method or
Close method, pressure brush out the data flow cached in the buffer pool；
S2-2: the customized file that resumes is a customized class, and binary stream read-write interface and can basis is arranged
Write-in real-time update and tab file the downloading starting point and file of data flow save the file record pointer of starting point；
S2-3: pressure is brushed out to the data flow cached in the buffer pool and is passed through described in binary stream read-write interface write-in
In customized class, using the file record pointer according to the write-in of data flow the real-time update and node marked is as file
It downloads starting point and file saves starting point.
4. according to claim 3 power off the method resumed, which is characterized in that after power-off restarting occurs further include:
The node marked when powering off is determined by the file record pointer, obtains file download starting point and file saves
Point.
5. according to claim 1-4 power off the method resumed, which is characterized in that the method also includes:
S4: upgrade package downloading is completed, verifying upgrading packet signature, if signing messages is correct, restarting equipment completes upgrading；If it is not,
Then customer upgrade is prompted to fail, re-downloads upgrade package.
6. a kind of power off the terminal system resumed characterized by comprising
Processing module will be in the buffer pool of data flow cache to memory for downloading upgrade package；
Mark module, for when the length of the data flow currently cached does not meet the size of the buffer pool, by the place
The data flow cached in reason module forces write-in is customized to resume in file, and the file that resumes can writing according to data flow
Enter and starting point and file preservation starting point are downloaded by file record pointer real-time update and tab file；
Module is resumed, for as power-off restarting occurs, then continuing downloading according to the file download starting point in the mark module and rising
Grade packet, and starting point is saved according to file and continues to save data flow.
7. according to claim 6 power off the terminal system that resumes, which is characterized in that the processing module includes:
Request module checks whether there is update for sending request data to server；
Parsing module, when having checked update for the request module, parsing upgrading package informatin；
Download module, the upgrade package parsed for downloading the parsing module；
Cache module, for calling write method by the slow of the data flow cache of download module downloading upgrade package to memory
It rushes in pond.
8. according to claim 7 power off the terminal system that resumes, which is characterized in that the mark module includes:
Module is brushed out, for calling flush when the length of the data flow currently cached does not meet the size of the buffer pool
Method or close method, pressure brush out the data flow cached in the buffer pool；
Setup module, for it is described it is customized resume file be a customized class, be arranged binary stream read-write interface with
And the file record pointer of starting point can be saved according to write-in real-time update and tab file the downloading starting point and file of data flow；
Writing module, for forcing to brush out the data flow cached in the buffer pool in module by described two for described brush out
System stream read-write interface is written in the customized class, according to the write-in of data flow and in real time more with the file record pointer
Node that is new and marking saves starting point as file download starting point and file.
9. according to claim 8 power off the terminal system resumed, which is characterized in that described after power-off restarting occurs
Resume module, be also used to determine the node that marks when powering off by the file record pointer, obtain file download starting point and
File saves starting point.
10. powering off the terminal system resumed according to claim 6-9 is described in any item, which is characterized in that the terminal system
Further include:
Authentication module, for completing upgrade package downloading, verifying upgrading packet signature, if signing messages is correct, restarting equipment is completed
Upgrading；If it is not, then customer upgrade is prompted to fail, upgrade package is re-downloaded.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111338667A (en) * | 2020-02-10 | 2020-06-26 | 浙江大华技术股份有限公司 | Upgrading method and upgrading device for application program APP |
| CN111600945A (en) * | 2020-05-13 | 2020-08-28 | 上海英方软件股份有限公司 | FTP server breakpoint downloading method and device based on block transmission |
| CN113709195A (en) * | 2020-05-20 | 2021-11-26 | 广州汽车集团股份有限公司 | Vehicle software upgrading method, device and system |
| CN113868156A (en) * | 2021-12-01 | 2021-12-31 | 荣耀终端有限公司 | System upgrade power-down protection method, electronic device and storage medium |
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