CN104601724B - Upload and download the method and system of file - Google Patents
Upload and download the method and system of file Download PDFInfo
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- CN104601724B CN104601724B CN201510057145.XA CN201510057145A CN104601724B CN 104601724 B CN104601724 B CN 104601724B CN 201510057145 A CN201510057145 A CN 201510057145A CN 104601724 B CN104601724 B CN 104601724B
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
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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]
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
- H04L67/5651—Reducing the amount or size of exchanged application data
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- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
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Abstract
The invention belongs to file service field, specifically related to a kind of method and system for uploading and downloading file, client send download request respectively by CDN server, IIS Web servers, four levels of database server and disk server server, inquiry in layer is carried out to download, such server combination querying method so that the speed for downloading file greatly improves；Client sends upload request and is quickly uploaded specified file by IIS Web servers, database server and disk server；All support breakpoint to download and upload in addition, downloading and uploading, i.e., when file is especially big, because the big file fragmentation of the influences such as network reason is downloaded or is uploaded, big file download and the mortality uploaded can be substantially reduced.
Description
Technical field
The invention belongs to file service field, and in particular to a kind of method and system for uploading and downloading file.
Background technology
In in general is downloaded and uploads File Technology, some technologies directly read file from disk server, so as under
Load or upper transmitting file, so that speed of download and uploading speed are very slow；Although CDN server can be by closest to user's
The shortcomings that node address is supplied to user, but when visit capacity is more, and single CDN server still has underloading；Its
Its single server is also not enough to the network hotspot resource for not having cache user often to download while undertaking more visit capacities,
So that still speed is very slow for the download and upload of next time；In addition, existing upload and method for down loading, are not all to support under breakpoint
Carry and upload so that the file of Large Copacity is once downloaded or uploaded unsuccessful, and next time must re-download and upload, and wastes and uses
The family time.
The content of the invention
It is an object of the present invention to provide a kind of upload and method for down loading and system, can quickly upload and lower carrying
File required for family.
To achieve these goals, the invention provides a kind of method for downloading file, including：
Client sends download request, the corresponding request path of the download request；
CDN server receives the download request, and judges whether caching and the download content of download request requirement,
If caching, returns to client by the content, if not caching, the download request is sent into IIS Web servers；
The IIS Web servers receive the download request that the CDN server is sent, and to the download request
Parsed, judge the caching of the whether existing download request of the IIS Web servers, if in the presence of directly by institute
State download request and correspond to cache contents return client；If being not present, the parameter value of the request path is further parsed, is obtained
The magnetic disc ID into file path, and the magnetic disc ID is sent to database server；
The database server receives the magnetic disc ID that the IIS Web servers are sent, and whether searching data storehouse
Comprising the magnetic disc shares path with the magnetic disc ID with mapping relations, if so, then returning to the magnetic disc shares path, IIS
Web server parses the magnetic disc shares path again, obtains the specific path request of file, and send it to disk server；
If it is not, then sending this file to client is not present message；
The disk server receives the specific path request of file that the IIS Web servers are sent, according to the text
The specific path searching this document of part whether there is, if so, this document corresponding content is then returned to client, if it is not, then returning to text
Message is not present in part.
Preferably, wherein, the database server receives the magnetic disc ID that the IIS Web servers are sent,
Search whether that caching and the magnetic disc ID have the magnetic disc shares path of mapping relations in Redis cache databases first, if so,
The magnetic disc shares path is then returned into IIS Web servers, it parses the magnetic disc shares path again, obtains the specific road of file
Footpath is asked, and is sent it to disk server and is carried out file download operation；
If there is no magnetic disc ID corresponding data in the Redis cache databases, SqlServer relational databases are inquired about
Whether comprising the magnetic disc shares path with the magnetic disc ID with mapping relations, if so, then the magnetic disc shares path is returned
To IIS Web servers, it parses the magnetic disc shares path again, obtains the specific path request of file, sends it to disk clothes
Business device carries out file download operation；If it is not, then sending this file to client is not present message；
If do not found in the Redis cache databases and the SqlServer relational databases with it is described
Magnetic disc ID has the magnetic disc shares path of mapping relations, then sending this file to the client is not present message.
Wherein, the down operation supports breakpoint to download.
Preferably, wherein, IIS Web servers are divided into polytype file server according to business, and it is right respectively
Different domain name addresses is answered, the download request obtains corresponding IP by domain name mapping, IP mapping domain names address, then
The download request is sent to the file server of corresponding domain name addresses；
The file server parses to the download request, judges that whether existing file server internal memory is described
The caching of download request, if so, download request directly then is corresponded into cache contents returns to client；If it is not, then further parsing
Request path parameter value, magnetic disc ID in file path is obtained, and the magnetic disc ID is sent to the database server.
A kind of file download system, including：
Client, it is used to send download request；
CDN server, it is used to receive the download request, and judges whether under caching and download request requirement
Content is carried, if caching, returns to client by the content, if not caching, the download request is sent into IIS Web
Server；
The IIS Web servers connect, and it is used to receive the download request that the CDN server is sent, and to institute
State download request to be parsed, judge the caching of the whether existing download request of the IIS Web servers, if in the presence of,
The download request is directly then corresponded into cache contents and returns to client；If being not present, the request path is further parsed
Parameter value, obtain magnetic disc ID in file path, and the magnetic disc ID is sent to database server；
The database server, it is used to receive the magnetic disc ID that the IIS Web servers are sent, searching data
Whether storehouse is comprising the magnetic disc shares path with the magnetic disc ID with mapping relations, if so, the magnetic disc shares path is then returned to,
IIS Web servers parse the magnetic disc shares path again, obtain the specific path request of file, and send it to disk service
Device；If it is not, then sending this file to client is not present message；
The disk server, it is used to receive the specific path request of file that the IIS Web servers are sent, according to
Described specific path searching this document of file whether there is, if so, this document corresponding content is then returned to client, if it is not, then
Return to file and message is not present.
Preferably, wherein, the database server includes that Redis is data cached and SqlServer relation datas
Storehouse；
Wherein, the database server receives the magnetic disc ID that the IIS Web servers are sent, and exists first
Redis cache databases search whether that caching and the magnetic disc ID have the magnetic disc shares path of mapping relations, if so, then by institute
State magnetic disc shares path and return to IIS Web servers, it parses the magnetic disc shares path again, and obtaining the specific path of file please
Ask, send it to disk server and carry out file download operation；
If there is no magnetic disc ID corresponding data in the Redis cache databases, SqlServer relational databases are inquired about
Whether comprising the magnetic disc shares path with the magnetic disc ID with mapping relations, if so, then the magnetic disc shares path is returned
To IIS Web servers, it parses the magnetic disc shares path again, obtains the specific path request of file, sends it to disk clothes
Business device carries out file download operation；If it is not, then sending this file to client is not present message；
If do not found in the Redis cache databases and the SqlServer relational databases with it is described
Magnetic disc ID has the magnetic disc shares path of mapping relations, then sending this file to the client is not present message；
Wherein, the down operation supports breakpoint to download.
Preferably, wherein, in addition to：
First detection means, its be used to monitoring the IIS Web servers whether normal operation；
Second detection device, its be used to monitoring the database server whether normal operation；
Multiple file servers, it is the file server that IIS Web servers separate according to business service, and it is right respectively
Different domain name addresses is answered, the download request obtains corresponding IP by domain name mapping, IP mapping domain names address, then
The download request is sent to the file server of corresponding domain name addresses；
The file server parses to the download request, judges that whether existing file server internal memory is described
The caching of download request, if so, download request directly then is corresponded into cache contents returns to client；If it is not, then further parsing
Request path parameter value, magnetic disc ID in file path is obtained, and the magnetic disc ID is sent to the database server.
A kind of method of upper transmitting file, including：
Client sends upload request；
IIS Web servers receive the upload request, and the upload request, which is submitted, uploads file-related information, IIS clothes
Whether business device meets agreement to relevant information analysis judgment, if it is not, then returning；Taken if so, then sending inquiry request to database
Business device；
The database server receives the inquiry request that the IIS Web servers are sent, if not preassigning,
Then search the writeable magnetic disc ID collection included in the database server, therefrom randomly select a magnetic disc ID corresponding to disk be total to
Enjoy path and be back to IIS Web servers；If having preassigned magnetic disc ID, search the database server and whether there is
There is the magnetic disc shares path of mapping relations with the magnetic disc ID, if it is not, then to client send this file can not upload message,
If so, shared disk path corresponding to the magnetic disc ID then is returned into IIS Web servers, IIS Web servers obtain disk
Write request is sent after overlapping trees to disk server；
The disk server receives write request, completes file write operations, returns to file path and is serviced to IIS
Device, upload and complete；
Preferably, wherein, described upload information include filename, file content, file whether breakpoint transmission, file
Upload the information such as original position；
Upload request can also upload the magnetic disc ID that path parameter preassigns file and write by specified file；
Wherein, the database server receives the inquiry request that the IIS Web servers are sent, if the inquiry
Ask to ask for inquiry writable disc, search whether to include writeable disk first in Redis cache databases, if so, then random choosing
A corresponding magnetic disc shares path is taken to return to IIS Web servers；If it is not, then whether inquire about SqlServer relational databases
Comprising writeable disk, if do not included, return file can not upload message, if comprising random from corresponding result set
Choose a corresponding magnetic disc shares path and return to IIS Web servers；IIS Web servers are sent out after obtaining magnetic disc shares path
Write request is sent to disk server；It receives write request, completes file write operations, returns to file path and is taken to IIS
Business device, uploads and completes；
Wherein, described upload supports breakpoint transmission.
If the inquiry request is the ID requests of inquiry designated disk, whether deposited in the data cached library inquiries of Redis first
In the magnetic disc shares path for having mapping relations with the magnetic disc ID, if so, the magnetic disc shares path then is returned into IIS Web services
Device, if it is not, then being searched in SqlServer database, if existing in the SqlServer database, by the magnetic disc shares road
Footpath returns to IIS Web servers；IIS Web servers obtain magnetic disc shares path and send write-in file request to disk service
Device；IIS Web servers send write request to disk server after obtaining magnetic disc shares path；It receives write request,
File write operations are completed, file path is returned and gives IIS servers, upload and complete；
Wherein, described upload supports breakpoint transmission.
If do not found in the Redis cache databases and the SqlServer database and have the disk
ID has the magnetic disc shares path of mapping relations, then sending this file to client can not upload message.
A kind of system of upper transmitting file, including：
Client, it is used to send upload request；
IIS Web servers, it is used to receive the upload request, and the upload request submits the related letter of upper transmitting file
Breath, whether IIS servers meet agreement to relevant information analysis judgment, if it is not, then returning；If so, then send inquiry request to
Database server；
The database server, it receives the inquiry request that the IIS Web servers are sent, if not finger in advance
It is fixed, then the writeable magnetic disc ID collection included in the database server is searched, therefrom randomly selects magnetic corresponding to a magnetic disc ID
Disk overlapping trees are back to IIS Web servers；If having preassigned magnetic disc ID, whether the database server is searched
In the presence of the magnetic disc shares path with the magnetic disc ID with mapping relations, if it is not, then sending this file to client can not upload
Message, if so, shared disk path corresponding to the magnetic disc ID then is returned into IIS Web servers, IIS Web servers obtain
Write request is sent behind magnetic disc shares path to disk server；
The disk server, it receives write request, completes file write operations, returns to file path and gives
IIS servers, upload and complete；
Preferably, wherein, in addition to：
First detection means, its be used to monitoring the IIS Web servers whether normal operation；
Second detection device, its be used to monitoring the database server whether normal operation；
The database includes Redis cache databases and SqlServer relational databases；
Wherein, the database server receives the inquiry request that the IIS Web servers are sent, if the inquiry
Ask to ask for inquiry writable disc, search whether to include writeable disk first in Redis cache databases, if so, then random choosing
A corresponding magnetic disc shares path is taken to return to IIS Web servers；If it is not, then whether inquire about SqlServer relational databases
Comprising writeable disk, if it is not, then return file can not upload message, if so, then randomly selected from corresponding result set one it is right
The magnetic disc shares path answered returns to IIS Web servers；IIS Web servers send write request after obtaining magnetic disc shares path
To disk server；It receives write request, completes file write operations, returns to file path and gives IIS servers, has uploaded
Into；
Wherein, described upload supports breakpoint transmission.
If the inquiry request is the ID requests of inquiry designated disk, whether deposited in the data cached library inquiries of Redis first
In the magnetic disc shares path for having mapping relations with the magnetic disc ID, if so, the magnetic disc shares path then is returned into IIS Web services
Device, if it is not, then being searched in SqlServer database, if existing in the SqlServer database, by the magnetic disc shares road
Footpath returns to IIS Web servers；IIS Web servers obtain magnetic disc shares path and send write-in file request to disk service
Device；IIS Web servers send write request to disk server after obtaining magnetic disc shares path；It receives write request,
File write operations are completed, file path is returned and gives IIS servers, upload and complete；
Wherein, described upload supports breakpoint transmission.
If do not found in the Redis cache databases and the SqlServer database and have the disk
ID has the magnetic disc shares path of mapping relations, then sending this file to client can not upload message.
Beneficial effects of the present invention
1st, CDN server provided by the invention, the speed downloaded and uploaded is speeded；
2nd, it is provided by the invention according to the distributed multiple kind of document of type of service, and multiple storage servers are loaded,
Performance is more preferable, more flexible, enhances service stability；
3rd, the first detection means provided by the invention and second detection device, ensure that the stability of service operation state；
4th, Redis cache databases provided by the invention, the download made and the speed of upload are faster；
5th, shared disk reading manner provided by the invention is flexible, and disk server autgmentability is more preferable, and LAN is special
User right control is safer；
6th, CDN server, IIS Web servers, database server and the disk server that the present invention uses carry jointly
Supplied download and upload so that download and upload speed faster.
Brief description of the drawings
Fig. 1 is upload of the present invention and method for down loading and the Organization Chart of system；
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
As shown in Figure 1, solid line therein is the method for download request, and dotted line is the method for upload request.
Client/Application is client；
Server1, Server2 etc. are the citing of multiple storage servers；
Fielserver (image-text), APPFielserver (applying class), MVPFielserver (multimedia class),
BTPFielserver (commerce and trade class), CCPFielserver (communication class) are the kind of document by service distribution；
Server monitoring is the first detection means, and Redis monitoring is second detection device；
Client sends download request, the corresponding request path of the download request；
CDN server receives the download request, and judges whether caching and the download content of download request requirement,
If caching, returns to client by the content, if not caching, the download request is sent into IIS Web servers；
The IIS Web servers receive the download request that the CDN server is sent, and to the download request
Parsed, judge the caching of the whether existing download request of the IIS Web servers, if in the presence of directly by institute
State download request and correspond to cache contents return client；If being not present, the parameter value of the request path is further parsed, is obtained
The magnetic disc ID into file path, and the magnetic disc ID is sent to database server；
The database server receives the magnetic disc ID that the IIS Web servers are sent, and whether searching data storehouse
Comprising the magnetic disc shares path with the magnetic disc ID with mapping relations, if so, then returning to the magnetic disc shares path, IIS
Web server parses the magnetic disc shares path again, obtains the specific path request of file, and send it to disk server；
If it is not, then sending this file to client is not present message；
The disk server receives the specific path request of file that the IIS Web servers are sent, according to the text
The specific path searching this document of part whether there is, if so, this document corresponding content is then returned to client, if it is not, then returning to text
Message is not present in part.
To ensure that secure file system creates special shared user and creates password, read-write share dish are being required for providing just
True user name and password.Because file is more, for convenience of managing, file directory is produced by certain rule, at present comprising per diem
Phase (such as 2014112618 during the date) and by file type name (such as img/apk) two class.
CDN is to build a kind of distributed content delivery network over data networks.CDN effect is taken using Streaming Media
Be engaged in device Clustering, the shortcomings that overcoming one-of-a-kind system output bandwidth and concurrent capability deficiency, can significant increase system support and
Flow amount is sent out, the harmful effect that single point failure is brought is reduced or avoided.
The present invention allows download request to first pass through CDN server, and CDN is referred to the access of user using GSLB technology
To on the working properly streaming media server nearest from user, the request by streaming media server directly in response to user.Service
If no user content to be accessed in device, then underlying services device provided by the present invention provides download, such one layer one
Layer is searched, and without directly being searched in the various file of disk server, can greatly improve speed of download.
In one embodiment, on the basis of the above situation,
The database server receives the magnetic disc ID that the IIS Web servers are sent, and is cached first in Redis
Whether database lookup caches the magnetic disc shares path for having mapping relations with the magnetic disc ID, if so, being then total to the disk
Enjoy path and return to IIS Web servers, it parses the magnetic disc shares path again, obtains the specific path request of file, is sent out
It is sent to disk server and carries out file download operation；
If there is no magnetic disc ID corresponding data in the Redis cache databases, SqlServer relational databases are inquired about
Whether comprising the magnetic disc shares path with the magnetic disc ID with mapping relations, if so, then the magnetic disc shares path is returned
To IIS Web servers, it parses the magnetic disc shares path again, obtains the specific path request of file, sends it to disk clothes
Business device carries out file download operation；If it is not, then sending this file to client is not present message；
If do not found in the Redis cache databases and the SqlServer relational databases with it is described
Magnetic disc ID has the magnetic disc shares path of mapping relations, then sending this file to the client is not present message.
Wherein, the down operation supports breakpoint to download.
Redis is a key-value storage system.It supports that the value types of storage are relatively more, including string
(character string), list (chained list), set (set), zset (sorted set-- ordered sets) and hash (Hash type).These
Data type all supports push/pop, add/remove and takes common factor union and difference set and more rich operation, and these are grasped
All it is atomicity.On this basis, Redis supports the sequence of various different modes.For guaranteed efficiency, data are all slow
Exist in internal memory.The data of renewal periodically can be write disk or modification is operated the additional record text of write-in by Redis
Part, and it is synchronous to realize master-slave (principal and subordinate) on this basis.
Redis is a high performance key-value database.Redis appearance, largely compensate for
The deficiency of this kind of key/value storages of memcached, in part, occasion can play supplement well to relational database and make
With.It provides the visitors such as Java, C/C++, C#, PHP, JavaScript, Perl, Object-C, Python, Ruby, Erlang
Family end, using very convenient.
Redis supports master-slave synchronisation.Data can be from master server to any number of synchronization from server, from service
Device can associate other master servers from server.This causes Redis to can perform individual layer tree copying.Deposit can intentional nothing
Meaning carries out write operation to data.Due to fully achieving publish/subscribe mechanism so that from database anywhere synchronization tree
When, a channel can be subscribed to and receive the complete news release record of master server.Synchronous scalability to read operation and
Data redundancy is helpful.
Breakpoint is supported to download in addition, downloading, i.e., when file is especially big, due under the big file fragmentation of the influences such as network reason
Load can substantially reduce big file download mortality；
Further embodiment, on the basis of above-described embodiment, the IIS Web servers are divided into multiple types according to business
The file server of type, it corresponds to different domain name addresses respectively, and the download request obtains corresponding IP by domain name mapping,
The IP maps domain name address, then the download request is sent to the file server of corresponding domain name addresses；
The file server parses to the download request, judges that whether existing file server internal memory is described
The caching of download request, if so, download request directly then is corresponded into cache contents returns to client；If it is not, then further parsing
Request path parameter value, magnetic disc ID in file path is obtained, and the magnetic disc ID is sent to the database server.
To support that bigger each service scripts service of visit capacity is loaded using multiple servers again, can increase described
The visit capacity of IIS Web servers, the speed of download made is faster.
A kind of file download system, including：
Client, it is used to send download request；
CDN server, it is used to receive the download request, and judges whether under caching and download request requirement
Content is carried, if caching, returns to client by the content, if not caching, the download request is sent into IIS Web
Server；
The IIS Web servers connect, and it is used to receive the download request that the CDN server is sent, and to institute
State download request to be parsed, judge the caching of the whether existing download request of the IIS Web servers, if in the presence of,
The download request is directly then corresponded into cache contents and returns to client；If being not present, the request path is further parsed
Parameter value, obtain magnetic disc ID in file path, and the magnetic disc ID is sent to database server；
The database server, it is used to receive the magnetic disc ID that the IIS Web servers are sent, searching data
Whether storehouse is comprising the magnetic disc shares path with the magnetic disc ID with mapping relations, if so, the magnetic disc shares path is then returned to,
IIS Web servers parse the magnetic disc shares path again, obtain the specific path request of file, and send it to disk service
Device；If it is not, then sending this file to client is not present message；
The disk server, it is used to receive the specific path request of file that the IIS Web servers are sent, according to
Described specific path searching this document of file whether there is, if so, this document corresponding content is then returned to client, if it is not, then
Return to file and message is not present.
To ensure that secure file system creates special shared user and creates password, read-write share dish are being required for providing just
True user name and password.Because file is more, for convenience of managing, file directory is produced by certain rule, at present comprising per diem
Phase (such as 2014112618 during the date) and by file type name (such as img/apk) two class.
In one embodiment, on the basis of the above situation, the database server include Redis it is data cached and
SqlServer relational databases；
Wherein, the database server receives the magnetic disc ID that the IIS Web servers are sent, and exists first
Redis cache databases search whether that caching and the magnetic disc ID have the magnetic disc shares path of mapping relations, if so, then by institute
State magnetic disc shares path and return to IIS Web servers, it parses the magnetic disc shares path again, and obtaining the specific path of file please
Ask, send it to disk server and carry out file download operation；
If there is no magnetic disc ID corresponding data in the Redis cache databases, SqlServer relational databases are inquired about
Whether comprising the magnetic disc shares path with the magnetic disc ID with mapping relations, if so, then the magnetic disc shares path is returned
To IIS Web servers, it parses the magnetic disc shares path again, obtains the specific path request of file, sends it to disk clothes
Business device carries out file download operation；If it is not, then sending this file to client is not present message；
If do not found in the Redis cache databases and the SqlServer relational databases with it is described
Magnetic disc ID has the magnetic disc shares path of mapping relations, then sending this file to the client is not present message；
Wherein, the down operation supports breakpoint to download；
Download and support breakpoint to download, i.e., when file is especially big, being downloaded due to the big file fragmentation of the influences such as network reason can
To substantially reduce big file download mortality；
Further embodiment, on the basis of above-described embodiment, in addition to：
First detection means, its be used to monitoring the IIS Web servers whether normal operation；
Second detection device, its be used to monitoring the database server whether normal operation；
Multiple file servers, it is the file server that IIS Web servers separate according to business service, and it is right respectively
Different domain name addresses is answered, the download request obtains corresponding IP by domain name mapping, IP mapping domain names address, then
The download request is sent to the file server of corresponding domain name addresses；
The file server parses to the download request, judges that whether existing file server internal memory is described
The caching of download request, if so, download request directly then is corresponded into cache contents returns to client；If it is not, then further parsing
Request path parameter value, magnetic disc ID in file path is obtained, and the magnetic disc ID is sent to the database server.
A kind of method of upper transmitting file, including：
Client sends upload request；
IIS Web servers receive the upload request, and the upload request, which is submitted, uploads file-related information, IIS clothes
Whether business device meets agreement to relevant information analysis judgment, if it is not, then returning；Taken if so, then sending inquiry request to database
Business device；
The database server receives the inquiry request that the IIS Web servers are sent, if not preassigning,
Then search the writeable magnetic disc ID collection included in the database server, therefrom randomly select a magnetic disc ID corresponding to disk be total to
Enjoy path and be back to IIS Web servers；If having preassigned magnetic disc ID, search the database server and whether there is
There is the magnetic disc shares path of mapping relations with the magnetic disc ID, if it is not, then to client send this file can not upload message,
If so, shared disk path corresponding to the magnetic disc ID then is returned into IIS Web servers, IIS Web servers obtain disk
Write request is sent after overlapping trees to disk server；
The disk server receives write request, completes file write operations, returns to file path and is serviced to IIS
Device, upload and complete；
Further embodiment, on the basis of above-described embodiment, described upload information include filename, file content,
Whether breakpoint transmission, file upload the information such as original position to file；
Upload request can also upload the magnetic disc ID that path parameter preassigns file and write by specified file；
Wherein, the database server receives the inquiry request that the IIS Web servers are sent, if the inquiry
Ask to ask for inquiry writable disc, search whether to include writeable disk first in Redis cache databases, if so, then random choosing
A corresponding magnetic disc shares path is taken to return to IIS Web servers；If it is not, then whether inquire about SqlServer relational databases
Comprising writeable disk, if do not included, return file can not upload message, if comprising random from corresponding result set
Choose a corresponding magnetic disc shares path and return to IIS Web servers；IIS Web servers are sent out after obtaining magnetic disc shares path
Write request is sent to disk server；It receives write request, completes file write operations, returns to file path and is taken to IIS
Business device, uploads and completes；
Wherein, described upload supports breakpoint transmission.
If the inquiry request is the ID requests of inquiry designated disk, whether deposited in the data cached library inquiries of Redis first
In the magnetic disc shares path for having mapping relations with the magnetic disc ID, if so, the magnetic disc shares path then is returned into IIS Web services
Device, if it is not, then being searched in SqlServer database, if existing in the SqlServer database, by the magnetic disc shares road
Footpath returns to IIS Web servers；IIS Web servers obtain magnetic disc shares path and send write-in file request to disk service
Device；IIS Web servers send write request to disk server after obtaining magnetic disc shares path；It receives write request,
File write operations are completed, file path is returned and gives IIS servers, upload and complete；
Wherein, described upload supports breakpoint transmission.
If do not found in the Redis cache databases and the SqlServer database and have the disk
ID has the magnetic disc shares path of mapping relations, then sending this file to client can not upload message.
Upper transmitting file supports breakpoint transmission, ensures big file fragmentation write-in disk.
A kind of system of upper transmitting file, including：
Client, it is used to send upload request；
IIS Web servers, it is used to receive the upload request, and the upload request submits the related letter of upper transmitting file
Breath, whether IIS servers meet agreement to relevant information analysis judgment, if it is not, then returning；If so, then send inquiry request to
Database server；
The database server, it receives the inquiry request that the IIS Web servers are sent, if not finger in advance
It is fixed, then the writeable magnetic disc ID collection included in the database server is searched, therefrom randomly selects magnetic corresponding to a magnetic disc ID
Disk overlapping trees are back to IIS Web servers；If having preassigned magnetic disc ID, whether the database server is searched
In the presence of the magnetic disc shares path with the magnetic disc ID with mapping relations, if it is not, then sending this file to client can not upload
Message, if so, shared disk path corresponding to the magnetic disc ID then is returned into IIS Web servers, IIS Web servers obtain
Write request is sent behind magnetic disc shares path to disk server；
The disk server, it receives write request, completes file write operations, returns to file path and gives
IIS servers, upload and complete；
To ensure that secure file system creates special shared user and creates password, read-write share dish are being required for providing just
True user name and password.Because file is more, for convenience of managing, file directory is produced by certain rule, at present comprising per diem
Phase (such as 2014112618 during the date) and by file type name (such as img/apk) two class.
Further embodiment, on the basis of above-described embodiment, the system of described upper transmitting file, in addition to：
First detection means, its be used to monitoring the IIS Web servers whether normal operation；
Second detection device, its be used to monitoring the database server whether normal operation；
The database includes Redis cache databases and SqlServer relational databases；
Wherein, the database server receives the inquiry request that the IIS Web servers are sent, if the inquiry
Ask to ask for inquiry writable disc, search whether to include writeable disk first in Redis cache databases, if so, then random choosing
A corresponding magnetic disc shares path is taken to return to IIS Web servers；If it is not, then whether inquire about SqlServer relational databases
Comprising writeable disk, if it is not, then return file can not upload message, if so, then randomly selected from corresponding result set one it is right
The magnetic disc shares path answered returns to IIS Web servers；IIS Web servers send write request after obtaining magnetic disc shares path
To disk server；It receives write request, completes file write operations, returns to file path and gives IIS servers, has uploaded
Into；
Wherein, described upload supports breakpoint transmission.
If the inquiry request is the ID requests of inquiry designated disk, whether deposited in the data cached library inquiries of Redis first
In the magnetic disc shares path for having mapping relations with the magnetic disc ID, if so, the magnetic disc shares path then is returned into IIS Web services
Device, if it is not, then being searched in SqlServer database, if existing in the SqlServer database, by the magnetic disc shares road
Footpath returns to IIS Web servers；IIS Web servers obtain magnetic disc shares path and send write-in file request to disk service
Device；IIS Web servers send write request to disk server after obtaining magnetic disc shares path；It receives write request,
File write operations are completed, file path is returned and gives IIS servers, upload and complete；
Wherein, described upload supports breakpoint transmission.
If do not found in the Redis cache databases and the SqlServer database and have the disk
ID has the magnetic disc shares path of mapping relations, then sending this file to client can not upload message.
Wherein, the first detection means analysis IIS server logs, (HTTP of 4 or 5 classes is wrong for abnormal information in daily record
Mail alarm related personnel's timely processing can be sent out by mistake).The monitoring of service operation state more strengthens stability guarantee.
Wherein, second detection device detection cache database whether normal operation, can restart automatically if being closed.
To ensure that secure file system creates special shared user and creates password, read-write share dish are being required for providing just
True user name and password.Because file is more, for convenience of managing, file directory is produced by certain rule, at present comprising per diem
Phase (such as 2014112618 during the date) and by file type name (such as img/apk) two class.
Wherein, picture file, picture show to be exactly a download request；Audio-video document, broadcasting is exactly download request.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (8)
1. a kind of method for downloading file, including：
Client sends download request；The corresponding request path of the download request；
CDN server receives the download request, and judges whether caching and the download content of download request requirement, if slow
Deposit, then the content is returned into client, if not caching, the download request is sent to IIS Web servers；
The IIS Web servers receive the download request that the CDN server is sent, and the download request is carried out
Parsing, judge the caching of the whether existing download request of the IIS Web servers, if in the presence of, directly will be described under
Carry the corresponding cache contents of request and return to client；If being not present, the parameter value of the request path is further parsed, obtains text
Magnetic disc ID in part path, and the magnetic disc ID is sent to database server；
The database server receives the magnetic disc ID that the IIS Web servers are sent, and whether searching data storehouse includes
There is the magnetic disc shares path of mapping relations with the magnetic disc ID, if so, the magnetic disc shares path is then returned to, IIS Web clothes
Business device parses the magnetic disc shares path again, obtains the specific path request of file, and send it to disk server；If it is not,
Then this file being sent to client, message is not present；
The disk server receives the specific path request of file that the IIS Web servers are sent, and is had according to the file
Body path searching this document whether there is, if so, this document corresponding content is then returned to client, if it is not, then returning to file not
Message be present；
Wherein, IIS Web servers are divided into polytype file server according to business, and it with corresponding to different domain names respectively
Location, the download request obtain corresponding IP by domain name mapping, IP mapping domain names address, then the download request quilt
It is sent to the file server of corresponding domain name addresses；
The file server parses to the download request, judges the whether existing download of file server internal memory
The caching of request, if so, download request directly then is corresponded into cache contents returns to client；If it is not, then further analysis request
Path parameter value, magnetic disc ID in file path is obtained, and the magnetic disc ID is sent to the database server.
2. the method for claim 1, wherein the database server receives what the IIS Web servers were sent
The magnetic disc ID, search whether that caching is total to the disk that the magnetic disc ID has mapping relations in Redis cache databases first
Path is enjoyed, if so, the magnetic disc shares path then is returned into IISWeb servers, it parses the magnetic disc shares path again, obtains
To the specific path request of file, send it to disk server and carry out file download operation；
If not having magnetic disc ID corresponding data in the Redis cache databases, whether inquiry SqlServer relational databases
Comprising the magnetic disc shares path with the magnetic disc ID with mapping relations, if so, the magnetic disc shares path then is returned into IIS
Web server, it parses the magnetic disc shares path again, obtains the specific path request of file, sends it to disk server and enter
Row file download operation；If it is not, then sending this file to client is not present message；
If do not found and the disk in the Redis cache databases and the SqlServer relational databases
ID has the magnetic disc shares path of mapping relations, then sending this file to the client is not present message；
Wherein, the down operation supports breakpoint to download.
3. a kind of file download system, including：
Client, it is used to send download request；
CDN server, it is used to receive the download request, and judges whether in the download that caching requires with the download request
Hold, if caching, returns to client by the content, if not caching, the download request is sent into IIS Web services
Device；
The IIS Web servers connect, and it is used to receiving the download request that the CDN server is sent, and under described
Carry request to be parsed, the caching of the whether existing download request of the IIS Web servers is judged, if in the presence of directly
Connect and the download request is corresponded into cache contents return client；
If being not present, the parameter value of the request path is further parsed, obtains magnetic disc ID in file path, and by the magnetic
Disk ID is sent to database server；
The database server, it is used to receive the magnetic disc ID that the IIS Web servers are sent, and searching data storehouse is
It is no to include the magnetic disc shares path with the magnetic disc ID with mapping relations, if so, then returning to the magnetic disc shares path, IIS
Web server parses the magnetic disc shares path again, obtains the specific path request of file, and send it to disk server；
If it is not, then sending this file to client is not present message；
The disk server, it is used to receive the specific path request of file that the IIS Web servers are sent, according to described
The specific path searching this document of file whether there is, if so, this document corresponding content is then returned to client, if it is not, then returning
Message is not present in file；
Also include：
First detection means, its be used to monitoring the IIS Web servers whether normal operation；
Second detection device, its be used to monitoring the database server whether normal operation；
Multiple file servers, it is the file server that IIS Web servers separate according to business service, and it is corresponded to not respectively
Same domain name addresses, the download request obtain corresponding IP by domain name mapping, IP mapping domain names address, then described
Download request is sent to the file server of corresponding domain name addresses；The file server solves to the download request
Analysis, the caching of the whether existing download request of file server internal memory is judged, if so, then directly that download request is corresponding slow
Deposit content and return to client；If it is not, then further analysis request path parameter value, magnetic disc ID in file path is obtained, and by institute
State magnetic disc ID and be sent to the database server.
4. file download system as claimed in claim 3, wherein, it is data cached that the database server includes Redis
With SqlServer relational databases；
Wherein, the database server receives the magnetic disc ID that the IIS Web servers are sent, and delays first in Redis
Whether deposit data library lookup caches the magnetic disc shares path for having mapping relations with the magnetic disc ID, if so, then by the disk
Overlapping trees return to IIS Web servers, and it parses the magnetic disc shares path again, the specific path request of file are obtained, by it
It is sent to disk server and carries out file download operation；
If not having magnetic disc ID corresponding data in the Redis cache databases, whether inquiry SqlServer relational databases
Comprising the magnetic disc shares path with the magnetic disc ID with mapping relations, if so, the magnetic disc shares path then is returned into IIS
Web server, it parses the magnetic disc shares path again, obtains the specific path request of file, sends it to disk server and enter
Row file download operation；If it is not, then sending this file to client is not present message；
If do not found and the disk in the Redis cache databases and the SqlServer relational databases
ID has the magnetic disc shares path of mapping relations, then sending this file to the client is not present message；
Wherein, the down operation supports breakpoint to download.
5. a kind of method of upper transmitting file, including：
Client sends upload request；
IIS Web servers receive the upload request, and the upload request, which is submitted, uploads file-related information, IIS servers
Whether agreement is met to relevant information analysis judgment, if it is not, then returning；If so, inquiry request is then sent to database server；
The database server receives the inquiry request that the IIS Web servers are sent, and if not preassigning, then looks into
The writeable magnetic disc ID collection included is looked in the database server, therefrom randomly selects magnetic disc shares road corresponding to a magnetic disc ID
Footpath is back to IIS Web servers；If having preassigned magnetic disc ID, search the database server and whether there is and institute
Stating magnetic disc ID has the magnetic disc shares road of mapping relations, if it is not, then to client send this file can not upload message, if so,
Shared disk path corresponding to the magnetic disc ID is then returned into IIS Web servers, IIS Web servers obtain magnetic disc shares road
Write request is sent behind footpath to disk server；
The disk server receives write request, completes file write operations, returns to file path and gives IIS servers, on
Pass and complete.
6. the method for the upper transmitting file of kind as claimed in claim 5, wherein, described upload information is including in filename, file
Hold, whether breakpoint transmission, file upload the information such as original position to file；Upload request also can upload path by specified file and join
The magnetic disc ID of the predesignated file write-in of number；Wherein, the database server receives looking into for the IIS Web servers transmission
Request is ask, if the inquiry request is inquiry writable disc request, is searched whether first in Redis cache databases comprising writeable
Disk, if so, then randomly selecting a corresponding magnetic disc shares path returns to IIS Web servers；If it is not, then inquire about
Whether SqlServer relational databases include writeable disk, if do not included, return file can not upload message, if bag
Contain, then a corresponding magnetic disc shares path is randomly selected from corresponding result set and returns to IIS Web servers；IIS Web take
Business device sends write request to disk server after obtaining magnetic disc shares path；It receives write request, completes file write-in
Operation, return to file path and give IIS servers, upload and complete；
Wherein, described upload supports breakpoint transmission；
If the inquiry request is inquiry designated disk ID request, first the data cached library inquiries of Redis whether there is with
The magnetic disc ID has the magnetic disc shares path of mapping relations, if so, the magnetic disc shares path is then returned into IIS Web servers,
If it is not, then being searched in SqlServer database, if existing in the qlServer databases, the magnetic disc shares path is returned
Return IIS Web servers；IIS Web servers obtain magnetic disc shares path and send write-in file request to disk server；IIS
Web server sends write request to disk server after obtaining magnetic disc shares path；It receives write request, completes file
Write operation, return to file path and give IIS servers, upload and complete；
Wherein, described upload supports breakpoint transmission；
If do not found in the Redis cache databases and the SqlServer database and there is the magnetic disc ID to have
The magnetic disc shares path of mapping relations, then sending this file to client can not upload message.
7. a kind of system of upper transmitting file, including：
Client, it is used to send upload request；
IIS Web servers, it is used to receive the upload request, and the upload request, which is submitted, uploads file-related information, IIS
Whether server meets agreement to relevant information analysis judgment, if it is not, then returning；
If so, inquiry request is then sent to database server；
The database server, it receives the inquiry request that described IIS Web servers are sent, if not preassigning,
Then search the writeable magnetic disc ID collection included in the database server, therefrom randomly select a magnetic disc ID corresponding to disk be total to
Enjoy path and be back to IIS Web servers；If having preassigned magnetic disc ID, search the database server and whether there is
There is the magnetic disc shares path of mapping relations with the magnetic disc ID, if it is not, then to client send this file can not upload message,
If so, shared disk path corresponding to the magnetic disc ID then is returned into IIS Web servers, IIS Web servers obtain disk
Write request is sent after overlapping trees to disk server；
The disk server, it receives write request, completes file write operations, returns to file path and is taken to IIS
Business device, uploads and completes.
8. the system of upper transmitting file as claimed in claim 7, wherein, in addition to：
First detection means, its be used to monitoring the IIS Web servers whether normal operation；
Second detection device, its be used to monitoring the database server whether normal operation；
The database includes Redis cache databases and SqlServer relational databases；
Wherein, the database server receives the inquiry request that the IIS Web servers are sent, if the inquiry request
For inquiry writable disc request, search whether to include writeable disk first in Redis cache databases, if so, then randomly selecting one
Magnetic disc shares path returns to IIS Web servers corresponding to individual；If it is not, then whether inquiry SqlServer relational databases include
Writeable disk, if it is not, then return file can not upload message, if so, then being randomly selected from corresponding result set corresponding to one
Magnetic disc shares path returns to IIS Web servers；IIS Web servers send write request to magnetic after obtaining magnetic disc shares path
Disk server；It receives write request, completes file write operations, returns to file path and gives IIS servers, uploads and complete；
Wherein, described upload supports breakpoint transmission；
If the inquiry request is inquiry designated disk ID request, first the data cached library inquiries of Redis whether there is with
The magnetic disc ID has the magnetic disc shares path of mapping relations, if so, the magnetic disc shares path is then returned into IIS Web servers,
If it is not, then being searched in SqlServer database, if existing in the SqlServer database, the magnetic disc shares path is returned
Return IIS Web servers；IIS Web servers obtain magnetic disc shares path and send write-in file request to disk server；IIS
Web server sends write request to disk server after obtaining magnetic disc shares path；It receives write request, completes file
Write operation, return to file path and give IIS servers, upload and complete；
Wherein, described upload supports breakpoint transmission；
If do not found in the Redis cache databases and the SqlServer database and there is the magnetic disc ID to have
The magnetic disc shares path of mapping relations, then sending this file to client can not upload message.
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| CN105763604B (en) * | 2016-02-04 | 2019-03-19 | 四川长虹电器股份有限公司 | Lightweight distributed file system and the method for restoring downloading file original name |
| CN106067896A (en) * | 2016-05-30 | 2016-11-02 | 刘华英 | File continuous transmission method and device |
| CN107122491B (en) * | 2017-05-19 | 2020-12-15 | 深圳市优必选科技有限公司 | Method for data interaction |
| WO2018218419A1 (en) * | 2017-05-27 | 2018-12-06 | 福建联迪商用设备有限公司 | Downloading method for improving download efficiency and downloading system thereof |
| CN109150998A (en) * | 2018-08-01 | 2019-01-04 | 北京奇虎科技有限公司 | Journal file processing system and method based on cloud test platform |
| CN109889568B (en) * | 2018-12-29 | 2022-03-29 | 北京城市网邻信息技术有限公司 | Data export method, server and system |
| CN111225032A (en) * | 2019-12-19 | 2020-06-02 | 福建升腾资讯有限公司 | Method, system, device and medium for separating application service and file service |
| CN111427724A (en) * | 2020-03-20 | 2020-07-17 | 上海圣剑网络科技股份有限公司 | Server security stabilization method and architecture thereof |
| CN114124925B (en) * | 2020-08-25 | 2023-05-12 | 华为技术有限公司 | E-mail synchronization method and electronic equipment |
| CN112437160B (en) * | 2020-11-25 | 2022-06-07 | 中国电子科技集团公司第二十九研究所 | Method and system for realizing real-time transmission processing of large file based on redis |
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