CN104079615B - Document down loading method and information processing unit - Google Patents
Document down loading method and information processing unit Download PDFInfo
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Abstract
Disclose document down loading method and information processing unit.Described method includes following steps：The selected file for it is expected to download；The specific information for the file downloaded about expectation is sent to server, a database is wherein pre-established in the server, and multiple download address corresponding with the specific information of file that the expectation is downloaded are searched in the database, and each in multiple download address corresponds to one of multiple type of download；Multiple download address and corresponding type of download are received from server, wherein, multiple download address include at least the first download address and the second download address, first download address corresponds to the first type of download, second download address corresponds to the second type of download, and the first type of download is different from the second type of download；Respectively with each the multiple download address, different data blocks are downloaded simultaneously according to from the type of download corresponding to each the multiple download address；The different data blocks downloaded respectively are spliced into a complete file.
Description
Technical field
The present invention relates to document down loading method and information processing unit, more specifically to can further increase down
It carries the document down loading method of speed and downloads the information processing unit of file using this method.
Background technology
In recent years, P2P（Peer-to-Peer）Rapidly become one of the hot issue of computer circle concern.From literal
It sees, P2P indicates " point-to-point " or " end-to-end ", specifically may be defined as：The participant of network shares the part that they are possessed
Hardware resource（Processing capacity, storage capacity, network-connectivity etc.）, these shared resources pass through network offering services and interior
Hold, it can be by other peer nodes（Peer）Directly access without being subjected to intermediate entities.Participant in this network is both money
Source（Service and content）Supplier, and be resource acquisition person.Current P2P downloading modes include bt, emule, sudden peal of thunder etc..These
Downloading mode is all that the seed source only found based on same agreement is downloaded, and at most namely a kind of P2P agreements add http
The seed of agreement is downloaded so that seed source is subject to certain restrictions, so that speed of download is subject to certain restrictions.
Invention content
In view of situation above, the present invention propose it is a kind of based on search establish the multi-protocols P2P method for down loading of data warehouse with
And the information processing unit using the method for down loading.
According to an aspect of the invention, there is provided a kind of document down loading method, is applied to an information processing unit, it is described
Information processing unit is connect via network with a remote server, and described method includes following steps：
The selected file for it is expected to download；
It will it is expected that the specific information for the file downloaded is sent to the server about described, wherein in the server
Pre-establish a database, and search in the database it is corresponding with the specific information of file that the expectation is downloaded it is multiple under
Set address, and each in the multiple download address corresponds to one of multiple type of download；
The multiple download address and corresponding type of download are received from the server, wherein under the multiple
Set address includes at least the first download address and the second download address, and first download address corresponds to the first type of download, institute
It states the second download address and corresponds to the second type of download, first type of download is different from second type of download；
Respectively with each the multiple download address, according to the type of download corresponding to each the multiple download address
Download different data blocks simultaneously；
The different data blocks downloaded respectively are spliced into a complete file.
Preferably, in document down loading method according to the ... of the embodiment of the present invention, in the database to be mutually related
Mode stores the cryptographic Hash of the predetermined portions of the filename of file, this document disclosed in other information processing unit in network, is somebody's turn to do
The type of download of file download address in a network and this document；And
Specific information wherein about the file for it is expected to download is the Kazakhstan of the predetermined portions for the file that the expectation is downloaded
Uncommon value, searches for the download address and type of download of the file corresponding to same cryptographic Hash in the database.
Preferably, further include one after downloading one piece of completion in document down loading method according to the ... of the embodiment of the present invention
Verification step, the cryptographic Hash of the block for calculating separately the file for it is expected to download and the cryptographic Hash for downloading the block completed,
And be compared the two, if identical, then it is assumed that download correctly, otherwise abandon the block number evidence.
Preferably, in document down loading method according to the ... of the embodiment of the present invention, according to the download of the download address of file speed
It spends to determine the size for the block downloaded from the download address.
Preferably, in document down loading method according to the ... of the embodiment of the present invention, the cryptographic Hash of the predetermined portions of the file
For the 1000000th cryptographic Hash of the file.
Preferably, in document down loading method according to the ... of the embodiment of the present invention, the type of download include ftp, http,
At least one of bt, emule.
According to another aspect of the present invention, a kind of information processing unit is provided, via network and a remote server
Connection, including：
Selecting unit, user pass through the selected file for it is expected to download of the selecting unit；
Communication unit, for will it is expected that the specific information for the file downloaded is sent to the server about described, wherein
A database, and the specific letter for the file that search is downloaded with the expectation in the database are pre-established in the server
Corresponding multiple download address are ceased, and each in the multiple download address corresponds to one of multiple type of download,
And receive the multiple download address and corresponding type of download from the server；
Download unit, for respectively with each the multiple download address, according to each the multiple download address institute
Corresponding type of download downloads different data blocks simultaneously；
Concatenation unit, for the different data blocks downloaded respectively to be spliced into a complete file.
Preferably, in information processing unit according to the ... of the embodiment of the present invention, in the database to be mutually related
Mode stores the cryptographic Hash of the predetermined portions of the filename of file, this document disclosed in other information processing unit in network, is somebody's turn to do
The type of download of file download address in a network and this document；And
Specific information wherein about the file for it is expected to download is the Kazakhstan of the predetermined portions for the file that the expectation is downloaded
Uncommon value, searches for the download address and type of download of the file corresponding to same cryptographic Hash in the database.
Preferably, information processing unit according to the ... of the embodiment of the present invention further comprises：Verification unit, for calculating separately
It is expected that the cryptographic Hash for the block that the cryptographic Hash of the block of the file downloaded and download are completed, and the two is compared, if
It is identical, then it is assumed that download correctly, otherwise abandon the block number evidence.
Preferably, in information processing unit according to the ... of the embodiment of the present invention, the cutting unit is according to the download of file
The speed of download of address determines the size for the block downloaded from the download address.
Preferably, in information processing unit according to the ... of the embodiment of the present invention, the cryptographic Hash of the predetermined portions of the file
For the 1000000th cryptographic Hash of the file.
Preferably, in information processing unit according to the ... of the embodiment of the present invention, the type of download include ftp, http,
At least one of bt, emule.
In document down loading method according to the ... of the embodiment of the present invention and information processing unit, by the foundation of data warehouse,
Seed is increased to the utmost（That is, being capable of providing the peer node for the file for it is expected to download）Source.In addition, passing through a variety of associations
View downloads identical file, data source is increased to the utmost, to further improve speed of download.
Description of the drawings
Fig. 1 is the flow chart for the process for illustrating document down loading method according to the ... of the embodiment of the present invention；And
Fig. 2 is the functional block diagram for the configuration for illustrating information processing unit according to the ... of the embodiment of the present invention.
Specific implementation mode
Each preferred embodiment of the present invention is described below with reference to accompanying drawings.It provides referring to the drawings
Description, to help the understanding to example embodiment of the invention defined by appended claims and their equivalents.It includes side
The various details of assistant's solution, but they can only be counted as illustratively.Therefore, it would be recognized by those skilled in the art that
Embodiment described herein can be made various changes and modifications, without departing from scope and spirit of the present invention.Moreover, in order to
Keep specification more clear succinct, by omission pair it is well known that the detailed description of function and construction.
Before embodiments of the present invention are described, it should be noted that peer node in the present specification（Peer）It is
Refer to connect in a network, be mounted with to execute the information processing of the specific application of document down loading method according to the ... of the embodiment of the present invention
Device.
First, document down loading method according to the ... of the embodiment of the present invention will be described referring to Fig.1.The document down loading method application
In an information processing unit, described information processing unit is connect via network with a remote server.As shown in Figure 1, the side
Method includes the following steps：
First, in step S101, the file for it is expected to download is selected.For example, user can be with special key words in each equity
It is searched in node.When in search result including multiple matched files, further can wherein be selected by user, Huo Zheye
It randomly can therefrom select a file downloaded as expectation.When only including a matched file in search result,
It no longer needs to be selected by user, but directly selected this document is the file for it is expected to download.
Then, in step S102, the specific information for the file downloaded about expectation is sent to server.Wherein, it is taking
A database is pre-established in business device.Database described here is precisely in order to find more seed sources, and from difference
Agreement seed communication download and establish.In the database, it would be desirable under the specific information and this document of the file of download
Set address stores in association.
For example, the filename of file disclosed in all peer nodes is had recorded in the database on the server, should
The Hash of the predetermined portions of file（HASH）Value, and server records the file of full public network also for example, by the method for reptile
Predetermined portions cryptographic Hash, additionally record by bt tracker, emule tracker, dht/kad agreements obtain certain
The IP address of the affiliated peer node of one file.
Here, it should be noted that HASH is the numerical value obtained by logical operation according to the data of the content of file, no
Same file（Even identical filename）Obtained HASH values are different, so HASH values are just at each file
Unique identity.
That is, stored in a manner of being mutually related in the database the filename of file disclosed in network,
The type of download of the cryptographic Hash of the predetermined portions of this document, this document download address in a network and this document.Here institute
The type of download stated may include at least one of ftp, http, bt, emule.For example, this document described here is predetermined
Partial cryptographic Hash can be the cryptographic Hash of entire file.Certainly, embodiment more preferably, this document described here
The cryptographic Hash of predetermined portions can also be the 1000000th cryptographic Hash of this document.In this case, due to only calculation document
1000000th cryptographic Hash, therefore the data volume of calculating can be reduced, to reduce processing load, shorten processing time.
Will about it is described it is expected that the specific information for the file downloaded is sent to the server after, in server end,
Multiple download address corresponding with the specific information of file that the expectation is downloaded are searched in the database, and the multiple
Each in download address corresponds to one of multiple type of download.
For example, as mentioned above it is possible, the specific information about the file for it is expected to download is the file that the expectation is downloaded
Predetermined portions cryptographic Hash.In the database search for it is corresponding with the specific information of file that the expectation is downloaded it is multiple under
Set address is exactly the download address and type of download for searching for the file corresponding to same cryptographic Hash in the database.
That is, when user it is expected to download a certain file, search file cryptographic Hash in the database can be passed through（Or
1000000th cryptographic Hash of file）Method obtain and possess the IP lists of this document.These owners may be only support a ftp,
One kind in http, bt, emule etc..
Next, in step S103, the multiple download address and corresponding download class are received from the server
Type, wherein the multiple download address includes at least the first download address and the second download address, first download address pair
Answer the first type of download, second download address corresponds to the second type of download, under first type of download and described second
It is different to carry type.
Then, in step S104, respectively with each the multiple download address, according to each the multiple download address
Corresponding type of download downloads different data blocks simultaneously.
The size for the block downloaded from the download address can be determined according to the speed of download of the download address of file.Example
Such as, if it is judged that the speed of download of a certain download address is fast, then the size for the data block downloaded from the download address is arranged
It obtains greatly.On the other hand, if it is determined that the speed of download of a certain download address is slow, then by the data block downloaded from the download address
Size is arranged small.By doing so, speed of download can be further increased.
Finally, in step S105, the different data blocks downloaded respectively are spliced into a complete file.
Embodiment more preferably further includes a verification step after downloading one piece of completion in step S104, is used
In the cryptographic Hash for the block that the cryptographic Hash for the block for calculating separately the file for it is expected to download and download are completed, and the two is carried out
Compare, if identical, then it is assumed that download correctly, otherwise abandon the block number evidence.
Hereinbefore, the detailed process of document down loading method according to the ... of the embodiment of the present invention is described in detail.Due to
Can be simultaneously from the data in the different sections supported the seed of different agreement while downloading file, therefore can accelerate to download speed
Degree.
Next, information processing unit according to the ... of the embodiment of the present invention will be described with reference to Fig. 2.The information processing unit via
Network is connect with a remote server.Information processing unit 200 includes：Selecting unit 201, communication unit 202, download unit
203 and concatenation unit 204.
User passes through the selected file for it is expected to download of selecting unit 201.For example, as mentioned above it is possible, user can be with spy
Determine keyword to search in each peer node.It, can be further by user when in search result including multiple matched files
It selects wherein, or randomly can also therefrom select a file downloaded as expectation.When only including in search result
When one matched file, it is no longer necessary to be selected by user, but directly selected this document is the file for it is expected to download.
Communication unit 202 will it is expected that the specific information for the file downloaded is sent to the server about described, wherein
A database, and the specific information for the file that search is downloaded with the expectation in the database are pre-established in the server
Corresponding multiple download address, and each in the multiple download address corresponds to one of multiple type of download, and
The multiple download address and corresponding type of download are received from the server.
For example, as mentioned above it is possible, being stored in a manner of being mutually related in the database in network at other information
Manage the cryptographic Hash, the download address of this document in a network of the predetermined portions of the filename of file, this document disclosed in device with
And the type of download of this document, and wherein about the file that the specific information of the file for it is expected to download is expectation download
Predetermined portions cryptographic Hash, search in the database the file corresponding to same cryptographic Hash download address and under
Carry type.For example, the type of download includes at least one of ftp, http, bt, emule.In addition, the file is predetermined
Partial cryptographic Hash can be the cryptographic Hash of entire file, can also be the 1000000th cryptographic Hash of the file.
Download unit 203 is respectively with each the multiple download address, according to right with each the multiple download address institute
The type of download answered while downloading different data blocks.For example, as mentioned above it is possible, the cutting unit can be according to file
The speed of download of download address determines the size for the block downloaded from the download address.If the speed of download of a certain download address
Soon, then the size for the block downloaded from the download address is arranged greatly.On the other hand, if the speed of download of a certain download address
Slowly, then the size for the block downloaded from the download address is arranged small.
The different data blocks downloaded respectively are spliced into a complete file by concatenation unit 204.
Embodiment more preferably, information processing unit 200 may further include：Verification unit, based on respectively
It calculates the cryptographic Hash of the block of the file for it is expected to download and downloads the cryptographic Hash for the block completed, and the two is compared, such as
Fruit is identical, then it is assumed that downloads correctly, otherwise abandons the block number evidence.
Hereinbefore, document down loading method and information processing apparatus according to the ... of the embodiment of the present invention is described with reference to the accompanying drawings
It sets, wherein pre-establishing a database, therefrom search supports the resource of different agreement rather than only supports a kind of resource of agreement, so
It is downloaded simultaneously respectively according to different agreements afterwards, finally together by the integrating documents downloaded with different downloading modes.To, with
The prior art is compared, and the range of search is wider, and the seed source of acquisition is more, and then speed of download is faster.
It should be noted that in the present specification, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including ... ", it is not excluded that including
There is also other identical elements in the process, method, article or equipment of the element.
Finally, it is to be noted that, it is above-mentioned it is a series of processing include not only with sequence described here in temporal sequence
The processing of execution, and include the processing executed parallel or respectively rather than in chronological order.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required hardware platform to realize, naturally it is also possible to all be implemented by software.Based on this understanding,
Technical scheme of the present invention can be expressed in the form of software products in whole or in part to what background technology contributed,
The computer software product can be stored in a storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are making
Obtain a computer equipment（Can be personal computer, server or the network equipment etc.）Execute each embodiment of the present invention
Or the method described in certain parts of embodiment.
The present invention is described in detail above, specific case used herein is to the principle of the present invention and embodiment party
Formula is expounded, and the explanation of above example is only intended to facilitate the understanding of the method and its core concept of the invention；Meanwhile it is right
In those of ordinary skill in the art, according to the thought of the present invention, change is had in specific embodiments and applications
Place, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (12)
1. a kind of document down loading method, is applied to an information processing unit, described information processing unit is long-range via network and one
Server connects, and described method includes following steps：
The selected file for it is expected to download；
It will it is expected that the specific information for the file downloaded is sent to the server about described, wherein in the server in advance
A database is established, and searches for multiple download ground corresponding with the specific information of file that the expectation is downloaded in the database
Location, and each in the multiple download address corresponds to one of multiple type of download；
The multiple download address and corresponding type of download are received from the server, wherein the multiple download ground
Location includes at least the first download address and the second download address, and first download address corresponds to the first type of download, and described the
Two download address correspond to the second type of download, and first type of download is different from second type of download；
Respectively with each the multiple download address, according to the type of download corresponding to each the multiple download address simultaneously
Download different data blocks；
The different data blocks downloaded respectively are spliced into a complete file；
Wherein, speed of download is determined according to the download address of file, and from the download according to determining speed of download setting
The size for the data block that location is downloaded.
2. document down loading method as described in claim 1, wherein store net in a manner of being mutually related in the database
The cryptographic Hash of the predetermined portions of the filename of file, this document, this document disclosed in other information processing unit are in network in network
In download address and this document type of download；And
Specific information wherein about the file for it is expected to download is the cryptographic Hash of the predetermined portions for the file that the expectation is downloaded,
The download address and type of download of the file corresponding to same cryptographic Hash are searched in the database.
3. document down loading method according to claim 1, wherein further include a verification step after downloading one piece of completion,
For calculate separately it is expected download file the block cryptographic Hash and download complete the block cryptographic Hash, and by the two into
Row compares, if identical, then it is assumed that downloads correctly, otherwise abandons the block number evidence.
4. document down loading method according to claim 1, wherein being determined according to the speed of download of the download address of file
The size for the block downloaded from the download address.
5. document down loading method according to claim 1, wherein the cryptographic Hash of the predetermined portions of the file is the text
1000000th cryptographic Hash of part.
6. document down loading method according to claim 1, wherein the type of download includes in ftp, http, bt, emule
At least one of.
7. a kind of information processing unit is connect via network with a remote server, including：
Selecting unit, user pass through the selected file for it is expected to download of the selecting unit；
Communication unit, for will it is expected that the specific information for the file downloaded is sent to the server about described, wherein in institute
It states and pre-establishes a database in server, and the specific information pair for the file that search is downloaded with the expectation in the database
The multiple download address answered, and each in the multiple download address corresponds to one of multiple type of download, and from
The server receives the multiple download address and corresponding type of download；
Download unit, for respectively with each the multiple download address, according to corresponding to each the multiple download address
Type of download simultaneously download different data blocks；
Concatenation unit, for the different data blocks downloaded respectively to be spliced into a complete file；
Wherein, speed of download is determined according to the download address of file, and from the download according to determining speed of download setting
The size for the data block that location is downloaded.
8. information processing unit as claimed in claim 7, wherein store net in a manner of being mutually related in the database
The cryptographic Hash of the predetermined portions of the filename of file, this document, this document disclosed in other information processing unit are in network in network
In download address and this document type of download；And
Specific information wherein about the file for it is expected to download is the cryptographic Hash of the predetermined portions for the file that the expectation is downloaded,
The download address and type of download of the file corresponding to same cryptographic Hash are searched in the database.
9. information processing unit according to claim 7, further comprises：Verification unit, for downloading one piece of completion
Calculate separately later it is expected download file the block cryptographic Hash and download complete the block cryptographic Hash, and by the two into
Row compares, if identical, then it is assumed that downloads correctly, otherwise abandons the block number evidence.
10. information processing unit according to claim 7, further includes, cutting unit, for the download address according to file
Speed of download determine the size for the block downloaded from the download address.
11. information processing unit according to claim 7, wherein the cryptographic Hash of the predetermined portions of the file is the text
1000000th cryptographic Hash of part.
12. information processing unit according to claim 7, wherein the type of download includes ftp, http, bt, emule
At least one of.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310109069.3A CN104079615B (en) | 2013-03-29 | 2013-03-29 | Document down loading method and information processing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109069.3A CN104079615B (en) | 2013-03-29 | 2013-03-29 | Document down loading method and information processing unit |
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| CN104079615B true CN104079615B (en) | 2018-11-09 |
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| US10887371B2 (en) * | 2015-09-14 | 2021-01-05 | Google Llc | Systems and methods for content storage and retrieval |
| CN108989272B (en) * | 2017-06-07 | 2022-05-17 | 视联动力信息技术股份有限公司 | Data processing method and device and electronic equipment |
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| CN101977236A (en) * | 2010-11-05 | 2011-02-16 | 北京云快线软件服务有限公司 | Large-file multipoint distribution system |
| CN102055786A (en) * | 2009-11-06 | 2011-05-11 | 腾讯科技（深圳）有限公司 | File download method and server, download client and system adopting same |
| CN102223411A (en) * | 2011-06-15 | 2011-10-19 | 奇智软件（北京）有限公司 | Method and system for downloading file by adopting P2P (Peer-to-Peer) technology and client side |
| CN102307210A (en) * | 2011-01-13 | 2012-01-04 | 国云科技股份有限公司 | Data downloading system and data management and downloading method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090100128A1 (en) * | 2007-10-15 | 2009-04-16 | General Electric Company | Accelerating peer-to-peer content distribution |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055786A (en) * | 2009-11-06 | 2011-05-11 | 腾讯科技（深圳）有限公司 | File download method and server, download client and system adopting same |
| CN101977236A (en) * | 2010-11-05 | 2011-02-16 | 北京云快线软件服务有限公司 | Large-file multipoint distribution system |
| CN102307210A (en) * | 2011-01-13 | 2012-01-04 | 国云科技股份有限公司 | Data downloading system and data management and downloading method thereof |
| CN102223411A (en) * | 2011-06-15 | 2011-10-19 | 奇智软件（北京）有限公司 | Method and system for downloading file by adopting P2P (Peer-to-Peer) technology and client side |
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