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CN106372109A - Internet resource file caching method and apparatus - Google Patents

Internet resource file caching method and apparatus Download PDF

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Publication number
CN106372109A
CN106372109A CN201610697791.7A CN201610697791A CN106372109A CN 106372109 A CN106372109 A CN 106372109A CN 201610697791 A CN201610697791 A CN 201610697791A CN 106372109 A CN106372109 A CN 106372109A
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China
Prior art keywords
file
resource file
caching
local
internet resources
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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CN201610697791.7A
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Chinese (zh)
Inventor
伍福生
郝建明
张炼
潘星明
韩笑
简超
宋泽锋
李兴锋
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China Unionpay Co Ltd
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China Unionpay Co Ltd
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Priority to CN201610697791.7A priority Critical patent/CN106372109A/en
Publication of CN106372109A publication Critical patent/CN106372109A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/16File or folder operations, e.g. details of user interfaces specifically adapted to file systems
    • G06F16/164File meta data generation
    • G06F16/166File name conversion
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/17Details of further file system functions
    • G06F16/172Caching, prefetching or hoarding of files

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

The invention provides an internet resource file caching method and apparatus. The internet resource file caching method comprises the steps of receiving a webpage information browsing request of a user, and reading a resource file corresponding to the webpage information browsing request from a cache of a memory; if the resource file does not exist in the cache of the memory, converting a URL corresponding to the resource file into a digital file name of a set length; and reading the resource file corresponding to the digital file name from a local cache, and caching the resource file according to a local reading result. According to the method and the apparatus, the problem of complex sub-directory structure during caching is solved, so that the query efficiency is improved; storage data is compressed, so that storage space is saved; and a URL of a plaintext is converted into a digital file name, so that the confidentiality is enhanced.

Description

Internet resources file caching method and device
Technical field
The present invention is with regard to caching technology, especially with regard to a kind of Internet resources file caching method and device.
Background technology
Today that computer technology and network develop rapidly, web application, data storage etc. become everyone work, life In a requisite part.In medium-and-large-sized enterprise, with the popularization of computer network, job network, document electronicization is Through becoming groundwork mode, and support that the premise of this kind of working method is the office system set up based on web technology, In the document file management system of office system, especially enterprises, and in Internet enterprises large server cluster, need slow Deposit large volume document and data, intuitively catalogue is shown and easily cached document search is to need key problems-solving.
In prior art, based in the document caching system of web application interface () taking directory file system as a example tree-like Structured data displaying scheme typically adopts the resource management mode of multistage catalogue, represents a root first, under root Hang second-level directory, by that analogy;If necessary to retrieve the cache file of needs in bibliographic structure, then user is needed constantly to retrieve Subdirectories at different levels under catalogues at different levels.In the case that catalogue is more, catalogue is very huge after launching, and works as number of documents relatively Adopt when big and generate in this way and the tree structure of operation also can have performance issue, lead to that user reponding time is slow, represent Not directly perceived.
It is exemplified below: if it is desired to opening/usr/local/bin/xxx, first it is to be understood that the inode of xxx, it is saved in/ / this file of usr/local/bin in this catalogue file of usr/local/bin, to be opened, need to know/usr/local/ The inode of bin, its inode be saved in/this catalogue file of usr/local in, the like, until searching "/" inode.In practical operation, first open in disk/catalogue file, the inode of lookup/usr, then open in disk /usr File, the inode of lookup/usr/local, successively thus and thus.Therefore filename lookup needs repeatedly to inquire about inode table, and Open corresponding catalogue file and read inode.
Current internet, applications, the such as Sina weibo of the ie and android version of pc version, is all in local system The old file name of all kinds of cache files under certain catalogue, is deposited by subdirectory.
The CACHE DIRECTORY of such as ie browser is:
c:\users\user1\appdata\local\microsoft\windows\temporary internet files
Each of which project, all comprises the fields such as " title ", " internet address ", is all to deposit in plain text.
Above-mentioned deposit method has a following defect:
Subdirectory structure is complicated: the file type if necessary to caching is more, then the quantity of subdirectory can be more;If needed To retrieve the cache file of needs in bibliographic structure, then need user constantly to retrieve the subdirectories at different levels under catalogues at different levels.? In the case that catalogue is more, catalogue is very huge after launching, and adopts generation in this way when number of documents is larger and grasp Also can there is performance issue in the tree structure made, lead to that user reponding time is slow, it is not directly perceived to represent.
Old file name is deposited and filename can be caused oversize, wastes memory space, affects systematic function, and to system maintenance band Come difficult;
Old file name, address etc. are in plain text, for the higher occasion of some confidentiality, lack necessary encryption measures, Privacy therefore may be revealed.
Content of the invention
The invention provides a kind of Internet resources file caching method and device, to improve search efficiency;Compress simultaneously Data storage, saves memory space.
To achieve these goals, the embodiment of the present invention provides a kind of Internet resources file caching method, comprising:
The info web browse request of receive user, and read described info web browse request pair from the caching of internal memory The resource file answered;
If there is not described resource file in the caching of described internal memory, corresponding for described resource file url being converted to and sets The digital document name of measured length;
Read the corresponding resource file of described digital document name from local caching, and read result cache according to local Described resource file.
In one embodiment, read resource file described in result cache according to local, comprising:
If reading from the caching of local file less than described resource file, described resource file is read from the Internet, And cache to internal memory and local.When user asks to browse this resource file next time, the digital document name being drawn due to hash function Identical, this resource file can be read from the CACHE DIRECTORY (internal memory or local in) of application, to be quickly supplied to user.
In one embodiment, read resource file described in result cache according to local, comprising: if slow from described local file Read described resource file in depositing, the described resource file reading is cached to described internal memory.User's request next time is clear Look at this resource file when, because the digital document name that hash function draws is identical, can read from the CACHE DIRECTORY of internal memory This resource file, to be quickly supplied to user.
In one embodiment, corresponding for described resource file url is converted to the digital document name of preseting length, comprising: profit With hash function, described url is converted to the digital document name of preseting length, the entitled integer of described digital document.By hash letter Number is converted to digital document name, remains source url to the unique corresponding relation of digital document name, conceals concrete url letter simultaneously Breath, has certain confidentiality.
In one embodiment, described resource file is bitmap file, video file, Word message, audio file etc..
In one embodiment, if there is described resource file in the caching of described internal memory, reading this resource file and showing.
In one embodiment, described resource file is read from the Internet, comprising: according to the corresponding url of described resource file Described resource file is read from the Internet.
To achieve these goals, the embodiment of the present invention provides a kind of Internet resources file cache device, comprising:
Requesting processing, for the info web browse request of receive user, and reads described from the caching of internal memory The corresponding resource file of info web browse request;
Converting unit, when there is not described resource file in the caching of described internal memory, for corresponding to described resource file Url be converted to the digital document name of preseting length;
File cache unit, for reading the corresponding resource file of described digital document name from local caching, and root Read resource file described in result cache according to local.
In one embodiment, if reading from the caching of described local file less than described resource file, described file cache Unit reads described resource file from the Internet, and caches to internal memory and local.
In one embodiment, if reading described resource file from the caching of described local file, described file cache list Unit caches the described resource file reading to described internal memory.
In one embodiment, described converting unit specifically for: using hash function, described url is converted to preseting length Digital document name, the entitled integer of described digital document.
In one embodiment, described resource file is bitmap file, video file or Word message.
In one embodiment, if there is described resource file in the caching of described internal memory, described file cache unit is used for reading Take this resource file and show.
In one embodiment, described file cache unit specifically for: according to the corresponding url of described resource file from the Internet The described resource file of upper reading.
Using the present invention, when user asks to browse this resource file next time, the digital document name being drawn due to hash function Identical, this resource file can be read from the CACHE DIRECTORY (internal memory or local in) of application, to be quickly supplied to user, Invention solves the problems, such as that during caching, subdirectory structure is complicated, improves search efficiency.Numeral literary composition is converted to by hash function Part name, remains source url to the unique corresponding relation of digital document name, conceals concrete url information simultaneously, have certain guarantor Close property, and save memory space.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the Internet resources file caching method flow chart of the embodiment of the present invention;
Fig. 2 is the merchandise news schematic diagram on a certain shopping website in the embodiment of the present invention;
Fig. 3 is the Domestic News schematic diagram on a certain shopping website in the embodiment of the present invention;
Fig. 4 is the structural representation of the Internet resources file cache device of the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work Embodiment, broadly falls into the scope of protection of the invention.
In prior art, user (can pass through when browsing Internet resources file by terminal (as pc, mobile terminal etc.) Browser is directly browsed it is also possible to be browsed by the app of terminal), browser needs constantly to be retrieved according to the corresponding url address of file Subdirectories at different levels under catalogues at different levels, catalogue is very huge after launching, and leads to user reponding time slow, shows not directly perceived.Separately Outward, url address is long, wastes memory space, affects systematic function, and url is in plain text, may result in privacy leakage.Pin To this problem, embodiments provide a kind of Internet resources file caching method and device.
Fig. 1 is the Internet resources file caching method flow chart of the embodiment of the present invention, as shown in figure 1, this Internet money Source file caching method includes:
The info web browse request of s101: receive user, and read described info web from the caching of internal memory and browse Ask corresponding resource file;
S102: if there is not described resource file in the caching of described internal memory, corresponding for described resource file url is changed Digital document name for preseting length;
S103: read the corresponding resource file of described digital document name from local caching, and read knot according to local Fruit caches described resource file.
Flow process as shown in Figure 1 understands, the present invention searches corresponding resource literary composition according to the info web browse request of user During part, if there is not this resource file in the caching of internal memory, corresponding for this resource file url is converted to relatively short by needs Digital document name, from local caching, then read the corresponding resource file of described digital document name, and read according to local Take resource file described in result cache.Solve the problems, such as that during caching, subdirectory structure is complicated, improve search efficiency;Press simultaneously Contracted data storage, saves memory space.
As shown in Fig. 2 having such merchandise news, if user is intended to browse on certain plate on a certain shopping website The resource file (now for picture file, i.e. bitmap file) of this merchandise news, can be by clicking on merchandise news corresponding positions Put, send info web browse request, based on this browse request, browser can read this resource first from the caching of internal memory File.If user is that request browses this resource file first, although or be not first to browse this resource file first, The distance last time browses the overlong time of this resource file, there will be no this resource file in internal memory.
In the embodiment of the present invention, described resource file can be bitmap file, video file, Word message, audio frequency literary composition The file of the types such as part, as shown in figure 3, have such news item information, Yong Huru on certain plate on a certain shopping website Fruit is intended to browse the resource file (now for video file) of this Domestic News, can be by clicking on the corresponding positions of this Domestic News Put, send info web browse request, based on this browse request, browser can read this resource first from the caching of internal memory File.If user is that request browses this resource file first, although or be not first to browse this resource file first, The distance last time browses the overlong time of this resource file, there will be no this resource file in internal memory.
The caching of internal memory refers to using a part of system physical internal memory it is ensured that most important, most-often used block device data Directly can obtain from internal memory in operation, and need not read from low-speed device (hard disk, disk, plug-in storage device etc.) Take.Data can write back after each modification immediately, is saved in write buffer, in write-back after certain time interval.
If there is described resource file in the caching of described internal memory, reading this resource file and showing.
If there is not above-mentioned resource file in the caching of internal memory, need for corresponding for resource file url to be converted to setting The digital document name of length, in an embodiment, it is possible to use this url is converted to the digital document of preseting length by hash function Name.
So-called hash is it is simply that the input (being called preliminary mapping, pre-image) of random length again, by hashing algorithm, become Change the output of regular length into, this output is exactly hashed value.This conversion is a kind of compression mapping, it is, the sky of hashed value Between generally much less than input space, different inputs may hash to identical output it is impossible to come from hashed value Unique determination input value, briefly hash function is a kind of disappearing to a certain regular length of the message compression by random length The function of breath summary.
In order to save the memory space of local or internal memory, shorter digital document name, such as this digital document can be set Name is less than 10 bit digital.
In a preferred embodiment, this digital document name can be integer, for example, 01276339.
Url is converted to by digital document name by hash function, remains source url and close to the uniquely corresponding of digital document name System, is not in the problem of the resource file finding mistake according to digital document name, conceals concrete url information simultaneously, have Certain confidentiality.
After being converted to this digital document name, first can read the corresponding money of described digital document name from local caching Source file.
In internet, applications, obtaining the file on far-end server needs to consume plenty of time and bandwidth resources.Generally Way be caching partial document in the locally stored system of user (can be hard disk and plug-in storage device), when needing to obtain When taking far-end file, first check the cache file locally whether having preservation, if it has, then need not obtain from far-end, directly use Local file, time-consuming and bandwidth, optimize Consumer's Experience.
When reading the corresponding resource file of described digital document name from local caching, it is understood that there may be two kinds are read knot Really: 1, read less than described resource file;2nd, read described resource file.
If user is that request browses this resource file first, although or be not first to browse this resource file first, But the distance last time browses the overlong time of this resource file, may not there is this resource file in local caching.
If reading from the caching of local file less than described resource file, according to the corresponding url of described resource file from Described resource file is read on the Internet, and caches to internal memory and local.When user asks to browse this resource file next time, due to The digital document name that hash function draws is identical, can read this money from the CACHE DIRECTORY (internal memory or local in) of application Source file, to be quickly supplied to user.
If reading described resource file from the caching of described local file, by the described resource file caching reading To described internal memory.Filename in the caching of local file is also the digital document being converted to preseting length by hash function Name.When user asks to browse this resource file next time, because the digital document name that hash function draws is identical, can be from internal memory This resource file is read, to be quickly supplied to user in CACHE DIRECTORY.
The Internet resources file of the present invention, below, is described taking the Internet resources file cache of Android system as a example Caching method.
In above-mentioned example, first from the caching of internal memory, read resource file, if in the caching of internal memory no, by url Digital document name less than 10 being converted to by hash, reading from local CACHE DIRECTORY, if do not read, from network Url reads, and the CACHE DIRECTORY with the local and internal memory of the digital document name write application after hash.When next time is using this url, Hash draws identical filename, can read from the CACHE DIRECTORY of internal memory, to be quickly supplied to user.
For example: url is " http://www.baidu.com/img/bd_logo1.png ", will convert into digital document name Leave under local and the CACHE DIRECTORY of internal memory for 367309114.Cannot learn from filename 367309114 and be " http: // The url of www.baidu.com/img/bd_logo1.png ".
Above-mentioned url is converted to by digital document name 367309114 by hash function, remains source url to digital document The unique corresponding relation of name, is not in the problem of the resource file finding mistake according to digital document name, conceals tool simultaneously Body url information, has certain confidentiality, and saves memory space.
It is based on and above-mentioned Internet resources file caching method identical inventive concept, the application provides a kind of the Internet money Source file buffer storage, as described in example below.Due to this Internet resources file cache device solve problem principle with Internet resources file caching method is similar, and the enforcement of therefore this Internet resources file cache device may refer to the Internet money The enforcement of source file caching method, repeats no more in place of repetition.
Fig. 4 is the structural representation of the Internet resources file cache device of the embodiment of the present invention, as shown in figure 4, this is mutual Networked resources file cache device includes:
Requesting processing 401, for the info web browse request of receive user, and reads institute from the caching of internal memory State the corresponding resource file of info web browse request;
Converting unit 402, when there is not described resource file in the caching of described internal memory, for by described resource file pair The url answering is converted to the digital document name of preseting length;
File cache unit 403, for reading the corresponding resource file of described digital document name from local caching, and Read resource file described in result cache according to local.
In one embodiment, if reading from the caching of described local file less than described resource file, described file cache Unit 403 reads described resource file from the Internet, and caches to internal memory and local.
In one embodiment, if reading described resource file from the caching of described local file, described file cache list Unit 403 caches the described resource file reading to described internal memory.
In one embodiment, described converting unit 402 specifically for: using hash function by described url be converted to setting length The digital document name of degree, the entitled integer of described digital document.
In one embodiment, described resource file is bitmap file, video file, Word message, audio-frequency information etc..
In one embodiment, if there is described resource file in the caching of described internal memory, file cache unit 403 can read This resource file simultaneously shows.
In one embodiment, described file cache unit 403 specifically for: according to the corresponding url of described resource file from mutual Described resource file is read on networking.
Using the present invention, when user asks to browse this resource file next time, the digital document name being drawn due to hash function Identical, this resource file can be read from the CACHE DIRECTORY (internal memory or local in) of application, to be quickly supplied to user, Invention solves the problems, such as that during caching, subdirectory structure is complicated, improves search efficiency.Numeral literary composition is converted to by hash function Part name, remains source url to the unique corresponding relation of digital document name, conceals concrete url information simultaneously, have certain guarantor Close property, and save memory space.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program Product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or the reality combining software and hardware aspect Apply the form of example.And, the present invention can be using in one or more computers wherein including computer usable program code The upper computer program implemented of usable storage medium (including but not limited to disk memory, cd-rom, optical memory etc.) produces The form of product.
The present invention is the flow process with reference to method according to embodiments of the present invention, equipment (system) and computer program Figure and/or block diagram are describing.It should be understood that can be by each stream in computer program instructions flowchart and/or block diagram Flow process in journey and/or square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided The processor instructing general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device is to produce A raw machine is so that produced for reality by the instruction of computer or the computing device of other programmable data processing device The device of the function of specifying in present one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing device with spy Determine in the computer-readable memory that mode works so that the instruction generation inclusion being stored in this computer-readable memory refers to Make the manufacture of device, this command device realize in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or The function of specifying in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing device so that counting On calculation machine or other programmable devices, execution series of operation steps to be to produce computer implemented process, thus in computer or On other programmable devices, the instruction of execution is provided for realizing in one flow process of flow chart or multiple flow process and/or block diagram one The step of the function of specifying in individual square frame or multiple square frame.
Apply specific embodiment in the present invention principle of the present invention and embodiment are set forth, above example Explanation be only intended to help and understand the method for the present invention and its core concept;Simultaneously for one of ordinary skill in the art, According to the thought of the present invention, all will change in specific embodiments and applications, in sum, in this specification Hold and should not be construed as limitation of the present invention.

Claims (16)

1. a kind of Internet resources file caching method is it is characterised in that include:
The info web browse request of receive user, and it is corresponding to read described info web browse request from the caching of internal memory Resource file;
If there is not described resource file in the caching of described internal memory, corresponding for described resource file url is converted to setting length The digital document name of degree;
Read the corresponding resource file of described digital document name from local caching, and read described in result cache according to local Resource file.
2. Internet resources file caching method according to claim 1 is it is characterised in that delay according to the local result that reads Deposit described resource file, comprising:
If reading from the caching of local file less than described resource file, described resource file being read from the Internet, and delays Deposit to internal memory and local.
3. Internet resources file caching method according to claim 1 is it is characterised in that delay according to the local result that reads Deposit described resource file, comprising: if reading described resource file from the caching of described local file, described in reading Resource file caches to described internal memory.
4. Internet resources file caching method according to claim 1 is it is characterised in that correspond to described resource file Url be converted to the digital document name of preseting length, comprising: using hash function, described url is converted to the number of preseting length Word filename, the entitled integer of described digital document.
5. Internet resources file caching method according to claim 1 is it is characterised in that described resource file is position Map file, video file or Word message.
If 6. Internet resources file caching method according to claim 1 is it is characterised in that in the caching of described internal memory There is described resource file, read this resource file and show.
7. Internet resources file caching method according to claim 2 is it is characterised in that read described from the Internet Resource file, comprising: described resource file is read from the Internet according to the corresponding url of described resource file.
8. Internet resources file caching method according to claim 4 is it is characterised in that described preseting length is less than 10 Individual numeral.
9. a kind of Internet resources file cache device is it is characterised in that include:
Requesting processing, for the info web browse request of receive user, and reads described webpage from the caching of internal memory Corresponding resource file is asked in information browse;
Converting unit, when there is not described resource file in the caching of described internal memory, for by corresponding for described resource file url Be converted to the digital document name of preseting length;
File cache unit, for reading the corresponding resource file of described digital document name, and according to this from local caching Ground reads resource file described in result cache.
If 10. Internet resources file cache device according to claim 9 is it is characterised in that from described local file Caching in read less than described resource file, described file cache unit reads described resource file from the Internet, and delays Deposit to internal memory and local.
11. if Internet resources file cache devices according to claim 9 are it is characterised in that from described local file Caching in read described resource file, described file cache unit caches the described resource file reading to described interior In depositing.
12. Internet resources file cache devices according to claim 9 are it is characterised in that described converting unit is concrete For: using hash function, described url is converted to the digital document name of preseting length, the entitled integer of described digital document.
13. Internet resources file cache devices according to claim 9 are it is characterised in that described resource file is Bitmap file, video file or Word message.
14. if Internet resources file cache devices according to claim 9 are it is characterised in that the caching of described internal memory In there is described resource file, described file cache unit is used for reading this resource file.
15. Internet resources file cache devices according to claim 10 are it is characterised in that described file cache unit Specifically for: described resource file is read from the Internet according to the corresponding url of described resource file.
16. Internet resources file cache devices according to claim 12 are it is characterised in that described preseting length is less than 10 numerals.
CN201610697791.7A 2016-08-19 2016-08-19 Internet resource file caching method and apparatus Pending CN106372109A (en)

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Application publication date: 20170201