CN109428942A - Live File Serving System and file server are across live synchronous method more than a kind of - Google Patents
Live File Serving System and file server are across live synchronous method more than a kind of Download PDFInfo
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- CN109428942A CN109428942A CN201710788479.3A CN201710788479A CN109428942A CN 109428942 A CN109428942 A CN 109428942A CN 201710788479 A CN201710788479 A CN 201710788479A CN 109428942 A CN109428942 A CN 109428942A
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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
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention discloses a kind of more live File Serving Systems and file server across live synchronous method, and system includes file service configuration module, file service interface module, file server module, network communication and document transmission module；File server configures synchronous target field across live synchronous method as unit of catalogue, and file server is synchronized across scene, and there is instant synchronization, Timing Synchronization and artificial triggering to synchronize.The present invention is unified in more spot dispatch automated systems to provide file-sharing, and the deficiency of file-sharing can only be provided in single scene at present by compensating for.File server in the present invention configures synchronous target field using file index and as unit of catalogue across live synchronous method, substantially increases synchronous efficiency；File server is synchronized across instant synchronization, Timing Synchronization and the artificial triggering in live synchronous method, substantially increases synchronous reliability.Therefore, the present invention has extensive promotional value.
Description
Technical field
The present invention relates to electric power scheduling automatization system file service technical field, specially a kind of more live file services
System and file server are across live synchronous method.
Background technique
With the development of electric power scheduling automatization system, there are more spot dispatch automated systems.Scene is geographically
Relatively centralized, it can be with independently operated system as composed by one or more mutual applications in close relations.It is mostly live
Big system is geographically dispersed by multiple, can carry out shared information between each other, the scene of unified management maintenance forms
More scene operating systems.The File Serving System of file-sharing is provided in single scene currently, only having, shortage can be how existing
It is unified in the dispatch automated system of field that the File Serving System of file-sharing is provided.
Summary of the invention
In view of the above-mentioned problems, one of the objects of the present invention is to provide the texts in more live electric power scheduling automatization systems
Part service system, this document service system can uniformly provide file-sharing in more site environments.Another object of the present invention exists
In providing a kind of synchronous method of efficient, the reliable file server across scene.
The present invention adopts the following technical solutions:
A kind of more live File Serving Systems, comprising: file service configuration module, file service interface module, file clothes
Business device module, network communication and document transmission module；
The file service configuration module, is used for profile service relevant information, and configuration information is stored in xml document
In, and each node of system can be published to；
The file service interface module, for providing file and file directory operation interface；
The file server module, for handling the request from file service interface；
The network communication and document transmission module, for realizing file service interface module and file server module
Between message transmission and file transmission.
Further, the file service configuration module, for configuring the file server section of more field datas, each scene
Synchronous file directory information is needed in point, file server, needs that the directory information of file is deleted in timing, each catalogue can account for
Some maximum capacity information.
Further, the file service interface module provides file and file directory operation interface, and file service is called to connect
The program of mouth does not need to be concerned about which computer file is especially stored on and can operate file or file directory.
Further, the file and file directory include upper transmitting file, delete file, file rename, obtain the file information,
Downloading file, newly-built catalogue, deltree, copy catalogue, catalogue renames, obtains directory information interface.
Further, the file and file directory operation interface not only include the text on the file server for operate this scene
The interface of part, file directory further includes file on the file server at the other scenes of operation of specified live name, file directory
Interface.
Further, the file server module handles the request from file service interface, on file server
Shared file/file directory is created, is deleted, updating operation, and carry out the synchronization between each file server at same scene,
Synchronization between file server across scene.
Further, the file server module includes: document management module, file index module, file synchronization module.
Further, the file server at same scene uses the framework of a main prepare more, as long as having one in the same scene
The machine that platform deploys file server module works normally online can normally provide file service.
Further, quotas administered is arranged in the present invention.Shared file/file directory is stored in some catalogue of file server
Under, which is known as file service root.For the first class catalogue under file service root, configuring each catalogue can be stored
File/file directory number threshold values and file size threshold values.When routine call file service interface new files, newly
When building catalogue or updating file, file server judges whether first class catalogue belonging to file or catalogue is more than threshold values, when being more than
When threshold values, then mistake is returned.
Further, the file server module in the present invention is equipped with file index.File index is quick obtaining file letter
Breath provides convenience.File index takes hash index technology.
Further, file index is divided into index area and specifying information area two major parts.
For file, based on the filename of belt path (path is relative to the relative path of file service root)
Calculate cryptographic Hash；For file directory, according to file directory path, (path is the opposite road relative to file service root
Diameter) calculate cryptographic Hash.If calculated cryptographic Hash is n, what is stored in the nth record of index area is the text that cryptographic Hash is n
Storage location of part (or file directory) information in specifying information area.If the cryptographic Hash for having multiple file/file directorys is same
Value n, then index area nth record in store be cryptographic Hash be n first file (or file directory) in specifying information
The storage location in area, the next field in specifying information area, every specifying information are directed toward the file of next identical cryptographic Hash
Storage location of (or file directory) information in specifying information area illustrates no next identical cryptographic Hash when next is 0
File (or file directory) information.
File, file directory specifying information include: the shared file of this document server node, the title of file directory
(in title containing relative path) relative to file service root, renewal time, file size, file MD5 code, file
Renewal time of the state and file (or file directory) locked at present in other file server nodes at this scene.
File index is stored in disk file, and is loaded into memory by way of Disk Mapping, and index text is improved
The access speed of part.
File server is across live synchronous method, and setting configures synchronous target field as unit of catalogue, to reduce
The synchronous amount of file between scene.
Further, synchronous synchronous with artificial triggering equipped with automatic synchronization.Automatic synchronization is equipped with instant synchronization and Timing Synchronization,
Timing Synchronization is the mechanism being arranged to make up instant synchronization loss.Artificial triggering is synchronous by interface operation, notifies this scene
File server carry out it is synchronous with the file in target field designated time period.
Instant synchronization the following steps are included:
A, source scene file server obtains synchronous target field according to file/file directory name, if target field number
It is 0, then returns.
B, source scene file server judges action type, if uploading file operation, then enters step C, otherwise enters
Step D.
C, source scene file server communicates files through network and document transmission module is transferred to target field, in mesh
The filename at mark scene is temporary file name, the create-rule of temporary file name be source filename after plus .fsvrtmp.
D, source scene file server sends the file server of instant sync message notice target field.
E, after target field file server receives the instant sync message of the file server from other scenes, parsing
Sync message judges action type, if uploading file operation, then enters step F, otherwise enters step G.
F, target field file server, which first adds file destination, writes lock, then temporary file name described in C is renamed, and changes
Name rule is to remove suffix .fsvtmp, is then unlocked to file destination, subsequently into step H.
G, target field file server, which first adds file destination/file directory, writes lock, then according to the class parsed in E
Type does corresponding operating to file/file directory, then unlocks to file destination/file directory.
H, target field file server updates the file index information of this node.
Timing Synchronization the following steps are included:
I, source scene file server scans file index, will need to be synchronized to mesh in current time setting time
The file operation information at mark scene is write as file and is sent to target field file server, and then transmission timing sync message notifies
Target field file server.
J, target field file server receives Timing Synchronization message, the file that source scene is sent in read step I, and
It compares with the file index of this node, obtains the simultaneously operating for needing to do.
K, the simultaneously operating that target field file server makees needs is divided into following a few classes: catalogue renames operation, file
Rename operation, newly-built directory operation, the operation that deltrees, deletion file operation, upload file operation.
L, target file server enters step M, for other operations, then to this section for uploading file synchronization operation
The file or file directory of point do corresponding operation, and update the file index information of this node, then return.
M, target field file server is needing the filename of synchronized update to notify that source is live by way of text of transmitting messages
File server.
N, after source scene file server receives the message in step M, analytic message, the text that need to be synchronized for each
Part, subsequent operating procedure is the same as step C~H in claim 7.
It further, at most may include the setting upper limit filename in a message in step M, when number of files in total
When more than the setting upper limit, then a plurality of message is divided to send.
The beneficial effects of the present invention are: the present invention is unified in more spot dispatch automated systems to provide file-sharing, more
The deficiency of file-sharing can only be provided in single scene at present by having mended.The present invention can not only be automatically same by the file in a scene
It walks other scenes and realizes file-sharing, and provide specified live name directly to the text on the file server at other scenes
The mode that part is operated.File server in the present invention is across live synchronous method using file index and as unit of catalogue
Synchronous target field is configured, synchronous efficiency is substantially increased；File server across in live synchronous method it is instant it is synchronous,
Timing Synchronization and artificial triggering synchronize, and substantially increase synchronous reliability.Therefore, the present invention can be widely applied for mostly live
In dispatch automated system.
Detailed description of the invention
Fig. 1 is composition block diagram of the invention；
Fig. 2 is file server of the present invention across flow chart immediately synchronous in live synchronous method；
Fig. 3 is flow chart of the file server of the present invention across Timing Synchronization in live synchronous method.
Specific embodiment
Referring to Fig.1, more live File Serving Systems, comprising: file service configuration module, file service interface module, text
Part server module, network communication and document transmission module.
File service configuration module configures more field datas, the file server node at each scene of configuration, configuration file clothes
Need synchronous file directory information, configuration that timing is needed to delete the directory information of file, configure capable of accounting for for each catalogue in business device
Some maximum capacity information, configuration information are stored in xml document, and can be published to each node of system.Wherein, more scene letters
Breath includes the communication routing node between the title and scene at each scene.
File service interface module provides file and file directory operation interface, and the program of file service interface is called to be not required to
File or file directory can be operated by being concerned about file to be especially stored on which computer.File service interface includes
Upper transmitting file, delete file, file rename, obtain the file information, downloading file, create catalogue, deltree, copy catalogue,
Catalogue renames, obtains directory information interface.Preferably file service interface not only includes the file server for operating this scene
On file, file directory interface, further include file, the text on the file server at the other scenes of operation of specified live name
The interface of part catalogue.
File server module handles the request from file service interface, to shared file/text on file server
Part catalogue such as is created, is deleted, being updated at the operation, and carries out the synchronization between each file server at same scene, across live
Synchronization between file server.The file server at same scene uses the framework of a main prepare more, as long as in the same scene
File service can normally be provided by having the machine for deploying file server module to work normally online.Preferably,
Quotas administered is arranged in file server.When routine call file service interface new files, newly-built catalogue or update file, text
When part server receives operation requests, judge whether first class catalogue belonging to file or catalogue is more than threshold values, when more than threshold values
When, then return to mistake.
File server module includes: document management module, file index module, file synchronization module.
Document management module operates the file of this node.
File index module provides convenience for quick obtaining the file information, and file index takes hash index technology.File
Index is divided into index area and specifying information area two major parts.For file, according to belt path, (path is relative to file service root
The relative path of catalogue) filename calculate cryptographic Hash；For file directory, according to file directory path, (path is opposite
In the relative path of file service root) calculate cryptographic Hash.If calculated cryptographic Hash is n, the nth of index area is recorded
In store be cryptographic Hash be n file (or file directory) information specifying information area storage location.If have multiple files/
The cryptographic Hash of file directory is same value n, then what is stored in the nth record of index area is first file that cryptographic Hash is n
(or file directory) in the storage location in specifying information area, next field in specifying information area, every specifying information is directed toward
File (or file directory) information of next identical cryptographic Hash specifying information area storage location, when next be 0 when, explanation
There is no file (or file directory) information of next identical cryptographic Hash.File, file directory specifying information include: this document
Shared file, the title of file directory of server node (contain the opposite road relative to file service root in title
Diameter), renewal time, file size, the state that is locked at present of MD5 code, file of file and file (or file directory) exist
The renewal time of other file server nodes at this scene.File index is stored in disk file, and passes through Disk Mapping
Mode be loaded into memory, improve the access speed of index file.
File synchronization module is responsible for carrying out the synchronization between each file server at same scene, the file server across scene
Between synchronization.
File service interface module and file server module utilize network communication and document transmission module progress message biography
The transmission of defeated and file.
Referring to Fig. 2, file server across live synchronous method immediately the following steps are included:
A, source scene file server obtains synchronous target field according to file/file directory name, if target field number
It is 0, then returns.
B, source scene file server judges action type, if uploading file operation, then enters step C, otherwise enters
Step D.
C, source scene file server communicates files through network and document transmission module is transferred to target field, in mesh
The filename at mark scene is temporary file name, the create-rule of temporary file name be source filename after plus .fsvrtmp.
D, source scene file server sends the file server of instant sync message notice target field.
E, after target field file server receives the instant sync message of the file server from other scenes, parsing
Sync message judges action type, if uploading file operation, then enters step F, otherwise enters step G.
F, target field file server, which first adds file destination, writes lock, then temporary file name described in C is renamed, and changes
Name rule is to remove suffix .fsvtmp, is then unlocked to file destination, subsequently into step H.
G, target field file server, which first adds file destination/file directory, writes lock, then according to the class parsed in E
Type does corresponding operating to file/file directory, then unlocks to file destination/file directory.
H, target field file server updates the file index information of this node.
Referring to Fig. 3, file server across live time synchronization method the following steps are included:
I, source scene file server scans file index, and the target that needs to be synchronized in current time 5 days is showed
The file operation information of field is write as file and is sent to target field file server, and then transmission timing sync message notifies target
Live file server.
J, target field file server receives Timing Synchronization message, the file that source scene is sent in read step I, and
It compares with the file index of this node, obtains the simultaneously operating for needing to do.
K, the simultaneously operating that target field file server makees needs is divided into following a few classes: catalogue renames operation, file
Rename operation, the operation that creaties directory, upload file operation, delete file operation, deltree operation.
L, target file server enters step M, for other operations, then to this section for uploading file synchronization operation
The file or file directory of point are done corresponding operation (add before operation to file destination/file directory and write lock, unlock after operation), and
The file index information for updating this node, then returns.
M, target field file server is needing the filename of synchronized update to notify that source is live by way of text of transmitting messages
File server.
N, after source scene file server receives the message in step M, analytic message, the text that need to be synchronized for each
Part, subsequent operating procedure is the same as above step C~H.
It further, at most may include 1000 filenames in a message in step M, when number of files in total is more than
When 1000, then a plurality of message is divided to send.
Embodiment of the present invention are not limited by the above embodiments, as long as it reaches this hair with essentially identical means
Bright technical effect, all should belong to protection scope of the present invention.
Claims (16)
1. a kind of more live File Serving Systems, characterized by comprising: file service configuration module, file service interface mould
Block, file server module, network communication and document transmission module；
The file service configuration module is used for profile service relevant information, and configuration information is stored in xml document,
And each node of system can be published to；
The file service interface module, for providing file and file directory operation interface；
The file server module, for handling the request from file service interface；
The network communication and document transmission module, for realizing between file service interface module and file server module
Message transmission and file transmission.
2. more live File Serving Systems according to claim 1, it is characterised in that the file service configuration module is used
Synchronous file directory information is needed in the more field datas of configuration, the file server node at each scene, file server, is needed
The maximum capacity information that can occupy of the directory information of file, each catalogue is deleted in timing.
3. more live File Serving Systems according to claim 1, it is characterised in that the file service interface module mentions
For file and file directory operation interface, the program of file service interface is called not need to be concerned about which meter file is especially stored in
File or file directory can be operated on calculation machine.
4. more live File Serving Systems according to claim 3, it is characterised in that the file and file directory include
Upper transmitting file, delete file, file rename, obtain the file information, downloading file, create catalogue, deltree, copy catalogue,
Catalogue renames, obtains directory information interface.
5. more live File Serving Systems according to claim 3, it is characterised in that the file and file directory operation
Interface not only includes the interface of file on the file server for operate this scene, file directory, further includes specified scene name
Operate the interface of file on the file server at other scenes, file directory.
6. more live File Serving Systems according to claim 1, it is characterised in that the file server module, processing
Request from file service interface creates shared file/file directory on file server, is deleted, updates behaviour
Make, and carries out the synchronization between the synchronization between each file server at same scene, the file server across scene.
7. more live File Serving System according to claim 6, it is characterised in that the file server module includes:
Document management module, file index module, file synchronization module.
8. more live File Serving Systems according to any one of claims 1 to 7, it is characterised in that the file at same scene
Server uses the framework of a main prepare more, as long as having the machine for deploying file server module to exist in the same scene
Line normal work can normally provide file service.
9. more live File Serving Systems according to claim 1, it is characterised in that quotas administered；Shared file/file
Catalogue is stored under some catalogue of file server, which is known as file service root；For file service root
Under first class catalogue, configure the threshold values of the number of file, file directory that each catalogue can store and the threshold values of file size；
When routine call file service interface new files, newly-built catalogue or update file, level-one belonging to file or catalogue is judged
Whether catalogue is more than threshold values, when being more than threshold values, then returns to mistake.
10. more live File Serving Systems according to claim 1, it is characterised in that file server module is equipped with file
Index；File index takes hash index technology.
11. more live File Serving Systems according to claim 10, it is characterised in that the file index is divided into index
Area and specifying information area two major parts；For file, cryptographic Hash is calculated according to the filename of belt path, which is relative to file
Service the relative path of root；For file directory, according to file directory path computing cryptographic Hash, this document directory path is
Relative path relative to file service root；If calculated cryptographic Hash is n, stored in the nth record of index area
Be cryptographic Hash be n file-or file directory-information specifying information area storage location；If there is multiple files/file mesh
The cryptographic Hash of record is same value n, then what is stored in the nth record of index area is first file or file that cryptographic Hash is n
For catalogue in the storage location in specifying information area, next field in specifying information area, every specifying information is directed toward next phase
With cryptographic Hash file or file directory information specifying information area storage location, when next be 0 when, illustrate not next
The file or file directory information of identical cryptographic Hash；File, file directory specifying information include: this document server node
Containing relative path relative to file service root in shared file, the names of file directory, renewal time, file
Size, the state that is locked at present of MD5 code, file of file and file, file directory this scene other file services
The renewal time of device node；File index is stored in disk file, and is loaded into memory by way of Disk Mapping, is mentioned
The access speed of high index file.
12. file server is across live synchronous method, it is characterised in that configure synchronous target field as unit of catalogue.
13. file server according to claim 12 is across live synchronous method, it is characterised in that the method for synchronization is equipped with certainly
It is dynamic synchronous synchronous with artificial triggering；Automatic synchronization is equipped with instant synchronization and Timing Synchronization, and Timing Synchronization is to make up instant synchronization
The mechanism lost and be arranged；Artificial triggering is synchronous by interface operation, this scene file server and target field is notified to carry out
The synchronization of file in designated time period.
14. file server according to claim 13 is across live synchronous method, which is characterized in that the instant synchronous package
Include following steps:
A, source scene file server obtains synchronous target field according to file/file directory name, if target field number is 0,
Then return；
B, source scene file server judges action type, if uploading file operation, then enters step C, otherwise enters step
D；
C, source scene file server communicates files through network and document transmission module is transferred to target field, existing in target
Filename be temporary file name, the create-rule of temporary file name be source filename after plus .fsvrtmp；
D, source scene file server sends the file server of instant sync message notice target field；
E, after target field file server receives the instant sync message of the file server from other scenes, parsing is synchronized
Message judges action type, if uploading file operation, then enters step F, otherwise enters step G；
F, target field file server, which first adds file destination, writes lock, then temporary file name described in C is renamed, and rename rule
It is then to remove suffix .fsvtmp, then file destination is unlocked, subsequently into step H；
G, target field file server, which first adds file destination/file directory, writes lock, then according to the type pair parsed in E
File/file directory does corresponding operating, then unlocks to file destination/file directory；
H, target field file server updates the file index information of this node.
15. file server according to claim 13 is across live synchronous method, which is characterized in that Timing Synchronization include with
Lower step:
I, source scene file server scans file index, by the target field that needs to be synchronized in the current setting time
File operation information is write as file and is sent to target field file server, and then transmission timing sync message notifies target field
File server；
J, target field file server receives Timing Synchronization message, the file that source scene is sent in read step I, and and sheet
The file index of node compares, and obtains the simultaneously operating for needing to do；
K, the simultaneously operating that target field file server makees needs is divided into following a few classes: rename operation, file of catalogue renames
Operation, the operation that deltrees, deletes file operation, uploads file operation newly-built directory operation；
L, target file server enters step M, for other operations, then to this node for uploading file synchronization operation
File or file directory do corresponding operation, and update the file index information of this node, then return；
M, target field file server is needing the filename of synchronized update to notify source scene file by way of text of transmitting messages
Server；
N, after source scene file server receives the message in step M, analytic message, for the file that each need to be synchronized,
Subsequent operating procedure is the same as step C~H in claim 7.
16. file server according to claim 15 is across live synchronous method, which is characterized in that in the step M
It at most may include the setting upper limit filename in one message, when number of files in total is more than the setting upper limit, then divide a plurality of
Message is sent.
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|---|---|---|---|
| CN201710788479.3A CN109428942A (en) | 2017-09-05 | 2017-09-05 | Live File Serving System and file server are across live synchronous method more than a kind of |
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| CN201710788479.3A CN109428942A (en) | 2017-09-05 | 2017-09-05 | Live File Serving System and file server are across live synchronous method more than a kind of |
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| WO2004097686A1 (en) * | 2003-04-24 | 2004-11-11 | Neopath Networks, Inc. | Transparent file replication using namespace replication |
| CN104348859A (en) * | 2013-07-30 | 2015-02-11 | 深圳市腾讯计算机系统有限公司 | File synchronizing method, device, server, terminal and system |
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Application publication date: 20190305 |