CN106027582A - Content-related parallel downloading method and device - Google Patents
Content-related parallel downloading method and device Download PDFInfo
- Publication number
- CN106027582A CN106027582A CN201510588898.3A CN201510588898A CN106027582A CN 106027582 A CN106027582 A CN 106027582A CN 201510588898 A CN201510588898 A CN 201510588898A CN 106027582 A CN106027582 A CN 106027582A
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- China
- Prior art keywords
- download
- downloading
- content
- thread
- downloaded
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
Abstract
The invention discloses a content-related parallel downloading method, and the method comprises the following steps that A, a device obtains a downloading descriptor corresponding a downloaded content, and obtains the source information of the downloaded content through the corresponding relation of the downloading descriptor; B, the device respectively builds corresponding threads through employing a plurality of downloaded content blocks; C, the device builds a download connection through the downloading threads, and transmits a downloading request of the downloaded content blocks to a downloading server; D, the device obtains the downloaded content blocks, and then assembles the downloaded content blocks into the complete downloaded content. The invention also discloses a content-related parallel downloading device, and the device comprises a downloading agent unit, a descriptor processing unit, a parallel downloading management unit, a downloading request unit, a downloading thread building unit, and an assistant downloading unit. The method and device can build a new downloading task for a downloading thread which completes a downloading task, so as to assist other downloading threads for downloading, thereby effectively improving the downloading speed and robustness, and enabling the downloading to be more unhindered.
Description
Technical field
The present invention relates to computer and the communications field, particularly relate to the relevant method for parallel downloading of a kind of content and device.
Background technology
Along with being showing improvement or progress day by day of internet industry, download technology development, user can pass through the Internet download rich in natural resources.
In order to promote speed of download, multithreading is currently mainly used to download.During multithreading is downloaded, if server is to a certain
The response of download thread is the slowest, can affect the response speed of whole downloading task.Such as, if in the response of this download thread
Disconnected, and other download thread of downloading task are complete, the most whole downloading task can be blocked in the download thread of this interruption,
Until the response of this download thread recovers, and when completing the task of this download thread, whole downloading task just can complete.Cause
This, in existing download technology, can affect slowly because of the response speed of some or multiple download thread, easily occur downloading
Slowly, download the problems such as obstruction, have a strong impact on the downloading experience of user.
Existing over the air provides two download scenarios, and the most single content is downloaded and serial download, but
On total download time, do not reduce.
Summary of the invention
The present invention provides the method for parallel downloading and device that a kind of content is relevant, exists under serial in order to solving in prior art
Carry time-consuming problem.
The method for parallel downloading that a kind of content that the present invention proposes is relevant includes:
Method for parallel downloading that a kind of content is relevant and device, be applied to support to download system that content can download with piecemeal and
Device, it is characterised in that comprise the following steps:
Device obtains downloads the Download Descriptor that content is corresponding, closes by Download Descriptor is corresponding with download content source information
System, Download Descriptor can provide multiple download content source information and the data volume of described download content of described download content；
Device uses block algorithm that described file to be downloaded is divided into multiple download content blocks, and according in the plurality of download
Hold block and set up the most corresponding multiple download thread；
Device is set up multiple download by multiple download thread and is connected, and sends the plurality of download respectively to download server
The download request of content blocks, and the multiple download content blocks described in download；
After multiple download content blocks described in device acquisition, assemble them into complete download content.
Described download content source information, for universal resource locator URI.
The method for parallel downloading that described a kind of content is relevant, it is characterised in that set up many according to the information of file to be downloaded
Individual download thread；And
After a download thread in the plurality of download thread completes downloading task, complete downloading task for described
Download thread set up newly downloaded task to assist other download thread in the plurality of download thread to be downloaded.
Described download content piecemeal is operated by the data volume according to downloading content.
The described information according to file to be downloaded is set up multiple download thread and is farther included:
Use block algorithm that described file to be downloaded is divided into multiple download content blocks, and according to the plurality of download content blocks
Set up the most corresponding multiple download thread；And set up multiple download connection by the plurality of download thread, with respectively according to institute
State multiple download content blocks to be downloaded.
The method for parallel downloading that described a kind of content is relevant, it is characterised in that described completed downloading task for described
Download thread is set up newly downloaded task and is farther included:
Obtain expected residual download time in other download thread described the longest and/or do not download the downloading wire that content is most
Journey, and using the longest for described expected residual download time and/or do not download the most download thread of content as downloading wire to be assisted
Journey；And
According to described download thread to be assisted do not download content set up described in completed described in the download thread of downloading task
Newly downloaded task.
Described download content piecemeal is operated, is to carry out according to the data volume downloading content.
Also include the step safeguarding download status information, in described download-maintenance information, be provided with described multiple downloads
The download status information of content blocks.
Described download status information, completes including not asking, download neutralization download.
Described method, also includes that the step of interrupting information downloaded in record.
Described download interrupting information, including: download content blocks size, download content blocks state, download content blocks interruption
Position.
After described download is interrupted recovering, the download content blocks operation described in download, from the beginning of downloading content blocks interruption position.
Also include, according to the data volume downloading content, arranging the step of memory space.
Described memory space, can be the memory space reserved at device.
Described memory space, in downloading process, the memory space of dynamic expansion.
The Parallel download device that a kind of content is relevant, including download agent unit, it is characterised in that also include: at descriptor
Reason unit, Parallel download administrative unit, download request unit；
Described download request unit, for downloading server request Download Descriptor and downloading content blocks；
Described descriptor processing unit, for obtaining Download Descriptor, and the download described in parsing from download request unit
Descriptor；
Described Parallel download administrative unit, downloads content blocks for obtaining from described download request unit, and is assembled
Become complete download content.
Described Parallel download administrative unit, is additionally provided with download status information administrative unit, for block to downloading content
State information is managed.
The Parallel download device that described a kind of content is relevant, also includes:
Download thread sets up unit, for setting up multiple download thread according to the information of file to be downloaded；And
Assist download unit, after a download thread in the plurality of download thread completes downloading task, for
The described download thread having completed downloading task sets up newly downloaded task to assist other download thread in the plurality of download thread
It is downloaded.
Described Parallel download administrative unit, is additionally provided with download interrupt management unit, for downloading in content blocks download
Disconnected information is managed, and makees persistence process to downloading content blocks status information.
Described download thread is set up unit and is farther included:
Division unit, is used for using block algorithm that described file to be downloaded is divided into multiple download content blocks, and according to described
Multiple download content blocks set up the most corresponding multiple download thread；And
Described assistance download unit farther includes:
Acquiring unit, for obtain expected residual download time in other download thread described the longest and/or in not downloading
Hold most download thread, and by the longest for described expected residual download time and/or do not download the most download thread of content and make
For download thread to be assisted.
The present invention extends the download scene of OMADL, can a download thread in multiple download thread complete to download
After task, set up newly downloaded task for completing the download thread of downloading task, with assist in multiple download thread other under
Load thread is downloaded, and is effectively improved speed of download and robustness, it is to avoid one or more download thread response speeds are delayed
Slow impact, makes download more smooth and easy, promotes user's downloading experience.Therefore this method is used can to download big chi with fast and reliable
Very little download content.
Claims (21)
1. the method for parallel downloading that content is relevant, is applied to support to download system and the device that content can be downloaded with piecemeal, its
It is characterised by, comprises the following steps:
Device obtains downloads the Download Descriptor that content is corresponding, by the corresponding relation of Download Descriptor Yu download content source information,
Download Descriptor can provide multiple download content source information and the data volume of described download content of described download content；
Device uses block algorithm that described file to be downloaded is divided into multiple download content blocks, and according to the plurality of download content blocks
Set up the most corresponding multiple download thread；
Device is set up multiple download by multiple download thread and is connected, and sends the plurality of download content respectively to download server
The download request of block, and the multiple download content blocks described in download；
After multiple download content blocks described in device acquisition, assemble them into complete download content.
The method for parallel downloading that a kind of content the most as claimed in claim 1 is relevant, it is characterised in that described download content source
Information, for universal resource locator URI.
The method for parallel downloading that a kind of content the most as claimed in claim 1 is relevant, it is characterised in that according to file to be downloaded
Information sets up multiple download thread；And
After a download thread in the plurality of download thread completes downloading task, complete under downloading task for described
Carry thread and set up newly downloaded task to assist other download thread in the plurality of download thread to be downloaded；
Described download content piecemeal is operated by the data volume according to downloading content.
4. set up multiple download thread according to the information of file to be downloaded as claimed in claim 3 to farther include:
Use block algorithm that described file to be downloaded is divided into multiple download content blocks, and set up according to the plurality of download content blocks
The most corresponding multiple download thread；And
Set up multiple download by the plurality of download thread to connect, to be downloaded according to the plurality of download content blocks respectively.
The method for parallel downloading that a kind of content the most as claimed in claim 1 is relevant, it is characterised in that described complete for described
The download thread of downloading task is set up newly downloaded task and is farther included:
Obtain expected residual download time in other download thread described the longest and/or do not download the download thread that content is most, and
Using the longest for described expected residual download time and/or do not download the most download thread of content as download thread to be assisted；With
And
According to described download thread to be assisted do not download content set up described in completed downloading task download thread described new under
Load task.
The method for parallel downloading that a kind of content the most as claimed in claim 1 is relevant, it is characterised in that also include safeguarding and download shape
The step of state information, in described download-maintenance information, is provided with the download status information of described multiple download content blocks.
The method for parallel downloading that a kind of content the most as claimed in claim 1 is relevant, it is characterised in that described download state letter
Breath, completes including not asking, download neutralization download.
The method for parallel downloading that a kind of content the most as claimed in claim 7 is relevant, it is characterised in that in also including that record is downloaded
The step of disconnected information.
The method for parallel downloading that a kind of content the most as claimed in claim 8 is relevant, it is characterised in that letter is interrupted in described download
Breath, including: download content blocks size, download content blocks state, download content blocks interruption position.
The method for parallel downloading that a kind of content the most as claimed in claim 7 is relevant, it is characterised in that described download is interrupted
After recovery, the download content blocks operation described in download, from the beginning of downloading content blocks interruption position.
11. set up newly downloaded task for the described download thread having completed downloading task as claimed in claim 5 farther includes:
Whether the data volume not downloading content of download thread to be assisted described in judgement is less than predetermined threshold value；
If it is determined that less than described predetermined threshold value, then set up according to the described starting point not downloading content and accelerate to download block, treat described
The download content blocks assisting download thread is labeled as main download block, and sets up between described main download block and described acceleration download block
Incidence relation.
12. set up newly downloaded task for the described download thread having completed downloading task as claimed in claim 5 farther includes:
If the download block of the described download thread having completed downloading task is for downloading content blocks, then stop according to described incidence relation
Described download content blocks downloads block as acceleration corresponding during main download block；And
If the described download thread correspondence having completed downloading task is downloaded block and is downloaded block for acceleration, then will according to described incidence relation
The described download result accelerating to download block is incorporated into the main download block that described acceleration download block is corresponding.
The method for parallel downloading that 13. a kind of contents as claimed in claim 1 are relevant, it is characterised in that under described device is incited somebody to action
During load content blocks is assembled into complete download content, also include, according to the data volume downloading content, arranging the step of memory space
Suddenly.
14. arrange memory space method as claimed in claim 13, it is characterised in that described memory space, can be
The memory space that device is reserved.
15. arrange memory space method as claimed in claim 13, it is characterised in that described memory space, for downloading
Cheng Zhong, the memory space of dynamic expansion.
The Parallel download device that 16. 1 kinds of contents are relevant, including download agent unit, it is characterised in that also include: descriptor
Processing unit, Parallel download administrative unit, download request unit；
Described download request unit, for downloading server request Download Descriptor and downloading content blocks；
Described descriptor processing unit, for obtaining Download Descriptor from download request unit, and the download described in parsing describes
Symbol；
Described Parallel download administrative unit, downloads content blocks for obtaining from described download request unit, and has assembled them into
Whole download content.
The Parallel download device that 17. a kind of contents as claimed in claim 16 are relevant, also includes:
Download thread sets up unit, for setting up multiple download thread according to the information of file to be downloaded；And
Assist download unit, after a download thread in the plurality of download thread completes downloading task, for described
The download thread having completed downloading task sets up newly downloaded task to assist other download thread in the plurality of download thread to carry out
Download.
The Parallel download device that 18. a kind of contents as claimed in claim 16 are relevant, it is characterised in that described Parallel download
Administrative unit, is additionally provided with download status information administrative unit, for being managed download content blocks status information.
The Parallel download device that 19. a kind of contents as claimed in claim 16 are relevant, it is characterised in that described Parallel download
Administrative unit, is additionally provided with download interrupt management unit, is managed for download content blocks is downloaded interrupting information, and right
Download content blocks status information and make persistence process.
The Parallel download device that 20. a kind of contents as claimed in claim 17 are relevant, it is characterised in that described download thread is built
Vertical unit farther includes:
Division unit, is used for using block algorithm that described file to be downloaded is divided into multiple download content blocks, and according to the plurality of
Download content blocks and set up the most corresponding multiple download thread.
The Parallel download device that 21. a kind of contents as claimed in claim 17 are relevant, it is characterised in that described assistance is downloaded single
Unit farther includes:
Acquiring unit, for obtain expected residual download time in other download thread described the longest and/or do not download content
Many download thread, and using the longest for described expected residual download time and/or do not download the most download thread of content as treating
Assist download thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510588898.3A CN106027582A (en) | 2015-09-16 | 2015-09-16 | Content-related parallel downloading method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510588898.3A CN106027582A (en) | 2015-09-16 | 2015-09-16 | Content-related parallel downloading method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106027582A true CN106027582A (en) | 2016-10-12 |
Family
ID=57082562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510588898.3A Pending CN106027582A (en) | 2015-09-16 | 2015-09-16 | Content-related parallel downloading method and device |
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Cited By (4)
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| US20170201566A1 (en) * | 2016-01-08 | 2017-07-13 | Guangzhou Uc Network Technology Co., Ltd. | File downloading method, apparatus, and terminal device |
| CN108270871A (en) * | 2018-01-29 | 2018-07-10 | 广东五科技股份有限公司 | The file block method for down loading and device of a kind of client |
| CN110138867A (en) * | 2019-05-17 | 2019-08-16 | 哈工大机器人（山东）智能装备研究院 | File transmission and method of reseptance, computer equipment and storage medium |
| CN113434170A (en) * | 2021-06-22 | 2021-09-24 | 重庆长安汽车股份有限公司 | Finished automobile OTA data downloading and deploying method and device |
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| CN1852101A (en) * | 2005-08-10 | 2006-10-25 | 华为技术有限公司 | Parallel downloading method and terminal |
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| US20170201566A1 (en) * | 2016-01-08 | 2017-07-13 | Guangzhou Uc Network Technology Co., Ltd. | File downloading method, apparatus, and terminal device |
| CN108270871A (en) * | 2018-01-29 | 2018-07-10 | 广东五科技股份有限公司 | The file block method for down loading and device of a kind of client |
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| CN113434170B (en) * | 2021-06-22 | 2023-03-14 | 重庆长安汽车股份有限公司 | Finished automobile OTA data downloading and deploying method and device |
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Application publication date: 20161012 |