CN107707645A - Telefile sychronisation and method for PDM - Google Patents
Telefile sychronisation and method for PDM Download PDFInfo
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- CN107707645A CN107707645A CN201710892386.5A CN201710892386A CN107707645A CN 107707645 A CN107707645 A CN 107707645A CN 201710892386 A CN201710892386 A CN 201710892386A CN 107707645 A CN107707645 A CN 107707645A
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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
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/172—Caching, prefetching or hoarding of files
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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
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/178—Techniques for file synchronisation in file systems
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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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Abstract
The present invention relates to a kind of telefile sychronisation and method for PDM, belong to Computer Applied Technology field.The design that the present invention passes through file synchronization device, realize telefile synchronization, can be that PDM system configurations strange land file stores, and keep the data syn-chronization with local file storage, user is set to visit again the storage of system master file when strange land is using PDM systems, then file storage service is used nearby, it can effectively lift the operating efficiency of user.
Description
Technical field
The present invention relates to Computer Applied Technology field, and in particular to a kind of telefile sychronisation for PDM and
Method.
Background technology
Complicated war products development is related to more units and cooperated, and data are frequent with exchange files, for lifting upstream and downstream, specially
Cooperate ability between industry, disposes unified PDM (product data management) systems and provide collaboration towards not commensurate user setting
Meter and data management service are a big main trends.But because commensurate location domain is not different, it is limited to military project dedicated network
Transmission rate and stability, when user carries out Photographing On-line work by strange land accesses PDM systems, application efficiency is more about
Beam.Therefore need to establish a kind of file synchronization mechanism and strange land accesses mechanism, realize that the strange land read-write of file and timing are same
Step, on the basis of data consistency is ensured, lift the access efficiency of PDM systems.
Chinese patent：(application number 200810045679.0) discloses a kind of remote file rapid synchronization method, this method
The new and old edition of file set is preserved in client by snapping technique, to the request of data of server when avoiding the difference from calculating,
The copying or moving of files of client is operated, server resets the operation, do not transmit file content.File status difference passes through net
Network is transferred to server, according to Jue difference levels, the file operation of server playback client, realizes client to server to text
Part Fast synchronization.
What Chinese patent (application number 201210041174.3) disclosed a kind of Linux platform real time remote file synchronization is
System, the system include server and connected multiple terminals, affiliated terminal including teledata synchronization module and and its
The 3rd memory module, the timing execution module of connection；The server includes authentication module and connected multiple first
Memory module and second memory module, hard link is created between first memory and second memory module, make first to deposit
Data in memory modules point to the data in second memory module；The terminal is by calling timing execution module to service
Device sends synchronic command, and server realizes the certification to terminal after synchronic command is received by authentication module, and is referred to according to this
Data in first memory module are sent to terminal by order；Wherein described customizing execution module regularly performs in seconds.
However, above-mentioned prior art construction is complicated, it is unfavorable for the service efficiency of raising standard PDM strange land accesses.
The content of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention is：How telefile synchronization is realized.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of telefile sychronisation for PDM, including
PDM systems, telefile synchronization system, strange land client；
The PDM systems include local client, WEB server, operational processor, database and local file storage
Device；Database is used to store user, tissue, data attribute, data relationship these structural datas, and local document store is used for
The entity storage of product design file, operational processor are used to handle all kinds of operation requests that local client is sent, WEB service
Device is used for the link information for managing local client and service end；
The telefile synchronization system includes local document store, file synchronization device and file memory；The text
Part synchronizer links with local document store, strange land file memory respectively；Strange land client takes with the WEB in PDM systems
Business device communication；File synchronization device is used to realize file change writing function, file timing synchronization function and file real-time synchronization
Function.
Preferably, the file synchronization device includes the reception of first, second information and sending module, data processing module, determined
When device, memory；Local document store is received with the first information and is connected with sending module in the PDM systems；Timer, deposit
Reservoir is connected with data processor module respectively；Second information receives and sending module and the strange land in telefile sychronisation
File memory connects；
File synchronization device is used to realize that file change writing function is specially：To local file in local document store with
The change of strange land file is recorded in the file memory of strange land, and foundation is provided for file synchronization, when in the file memory of strange land
When data change, the second information receives receives relevant information with sending module, and is transferred to data processing module, at data
Unique mark UID, file type, file size, the timestamp information for managing data of the module to changing are read out rear shape
Into strange land file change information, it is transferred to memory and is recorded；
File synchronization device is used to realize that file timing synchronization function specially at the appointed time completes file synchronization operation：When
When timer reaches the preset time for starting simultaneously operating, send triggering information to data processing module, data processing module and adjust
With the strange land file change information in memory, the UID that file is sent with sending module is received to the first information, then to first,
Second information is received and given notice with sending module, and file is locked, and is prevented other file operations in synchronizing process, is connect
After receiving file locking completion information, the first information receives the file that will change automatically in the file memory of strange land with sending module
It is synchronized in local document store, after synchronously completing, is received by first, second information and distinguish calculation document with sending module
MD5 values, feeding back to data processing module and contrasted, data processing module confirms to send file unlocking information after data are consistent,
Data synchronization process is completed, if inconsistent, re-calls the strange land file change information in memory, is re-started same
Step；
File synchronization device is used to realize that file real-time synchronization function is specially：When local user needs to operate strange land number of files
According to when, strange land file memory sends information to file synchronization device, is received and sending module receive information and is passed by the second information
Data processing module is handed to, data processing module confirms whether file changes by inquiring about memory；If being changed,
Real-time synchronization then is carried out to the file in the file memory of strange land；Synchronizing process is：Data processing module is called in memory
Strange land file change information, the UID that file is sent with sending module is received to the first information, then received to first, second information
Given notice with sending module, file is locked, prevent other file operations in synchronizing process；Receive file locking
After completing information, the first information is received with sending module automatically by the file synchronization changed in the file memory of strange land to local text
In part memory, after synchronously completing, received by first, second information and distinguish calculation document MD5 values with sending module, feed back to number
Contrasted according to processing module, data processing module confirms to send file unlocking information after data are consistent, completes data syn-chronization mistake
Journey, if inconsistent, the strange land file change information in memory is re-called, re-starts synchronization.
Preferably, the operational processor, data processing module are 32 double instruction set, the ARM with 37 registers
For the central processing unit of core.
Preferably, the local document store, strange land file memory use EEPROM of the capacity for 1TB.
Preferably, strange land client is communicated by Ethernet with the WEB server in PDM systems.
Preferably, the strange land client accesses strange land file memory by communication protocol.
Preferably, the local client communicates with WEB server uses GPRS or 4G network services.
Preferably, the local client and strange land client are mobile phone terminal or notebook computer, or described local objective
Family end and strange land client are cloud sync client.
Present invention also offers a kind of device described in carry out the synchronous method of telefile, comprises the following steps：
When logging in system by user and when carrying out file operation, it is local user also long-distance user to judge user, if local
User, connect local document store and carried out the work using data therein, if strange land user, then determine whether user
It is operation local document store or operation strange land file memory, if operation local document store, same by file
Device is walked in real time by the data syn-chronization in local document store into strange land file memory, and is supplied to user to carry out the work；
If operating strange land data, directly the data in the file memory of strange land are used to carry out the work, and the change of data is delivered to
File synchronization device, Timing Synchronization is into local document store.
Preferably, the step in the Timing Synchronization to local document store is：Data processing module calls memory
In strange land file change information, the UID that file is sent with sending module is received to the first information, then to first, second information
Reception is given notice with sending module, and file is locked, and prevents other file operations in synchronizing process.Receive file
After information is completed in locking, the first information is received with sending module automatically by the file synchronization changed in the file memory of strange land to originally
In ground file memory, after synchronously completing, received by first, second information and distinguish calculation document MD5 values, feedback with sending module
Contrasted to data processing module, data processing module confirms to send file unlocking information after data are consistent, and it is same to complete data
Step process, if inconsistent, the strange land file change information in memory is re-called, re-starts synchronization.
(3) beneficial effect
The present invention realizes telefile synchronization, can be PDM system configurations strange land text by the design of file synchronization device
Part stores, and keeps the data syn-chronization with local file storage, user is visited again system when strange land is using PDM systems
Master file stores, then uses file storage service nearby, can effectively lift the operating efficiency of user.
Brief description of the drawings
Fig. 1 is the telefile sychronisation structured flowchart that the present invention is used for PDM；
Fig. 2 is the present invention for file synchronization module structured flowchart in PDM telefile sychronisation；
Fig. 3 is the telefile sychronisation workflow diagram that the present invention is used for PDM.
Embodiment
To make the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to the present invention's
Embodiment is described in further detail.
Telefile sychronisation for PDM shown in Figure 1, of the invention, including standard PDM systems, long-range text
Part synchronization system, strange land client；It is characterized in that：The standard PDM systems include local client, WEB server, at business
Manage device, database, local document store；The telefile synchronization system include local document store, file synchronization device,
Strange land client；The local client is linked by WEB server and operational processor；The operational processor and data
Storehouse, local document store link；The operational processor is selected strong little power consumption function, 32 double instruction set, posted with 37
The ARM of storage is the central processing unit of core.The file synchronization device respectively with local document store, strange land file memory
Link；The local document store, strange land file memory use EEPROM of the capacity for 1TB.Strange land client by with
Too net communicates with the WEB server in standard PDM systems；The strange land client accesses strange land file by communication protocol and stored
Device.The local client communicates with WEB server uses GPRS or 4G network services；The local client and strange land client
It is cloud sync client to hold as mobile phone terminal, notebook computer or the local client and strange land client.
File synchronization device in telefile sychronisation, as shown in Fig. 2 receiving and sending including first, second information
Module, data processing module, timer, memory.Local document store receives with the first information in the standard PDM systems
It is connected with sending module；Timer, memory are connected with data processor module respectively；Second information receive with sending module with
Strange land file memory connection in telefile sychronisation.File synchronization device can realize following three function.
1) file change writing function.To strange land text in local file in local document store and strange land file memory
The change of part is recorded, for providing foundation for file synchronization.When data change in the file memory of strange land, second
Information receives receives relevant information with sending module, and be transferred to data processing module, and data processing module is to changing
The unique mark (UID, Unique Identification) of data, file type, file size, timestamp information are read
Strange land file change information is formed after taking, memory is transferred to and is recorded, be subsequent file Timing Synchronization and real-time synchronization work(
The realization of energy provides support.
2) file timing synchronization function.File synchronization operation can be at the appointed time automatically performed.Such as set daily morning 1
Point starts simultaneously operating, when timer reaches preset time, sends triggering information to data processing module, data processing module
The strange land file change information in memory is called, receives the UID that file is sent with sending module to the first information, then to the
First, the second information is received and given notice with sending module, and file is locked, and prevents other files behaviour in synchronizing process
Make.After receiving file locking completion information, the first information receives will change in the file memory of strange land automatically with sending module
File synchronization into local document store.After synchronously completing, received by first, second information and calculated respectively with sending module
File MD5 values, feed back to data processing module and are contrasted, and data processing module confirms to send file unblock letter after data are consistent
Breath, data synchronization process is completed, if inconsistent, the strange land file change information in memory re-called, enters again
Row is synchronous.
3) file real-time synchronization function.When local user needs to operate strange land file data, strange land file memory hair
Breath deliver letters to file synchronization device, by the reception of the second information and sending module receive information and is transferred to data processing module, data
Processing module confirms whether file changes by inquiring about memory.If being changed, in the file memory of strange land
File carry out real-time synchronization.Synchronizing process is：Data processing module calls the strange land file change information in memory, to the
One information receives the UID that file is sent with sending module, then receives to first, second information and given notice with sending module, right
File is locked, and prevents other file operations in synchronizing process.After receiving file locking completion information, the first information connects
Receive with sending module automatically by the file synchronization changed in the file memory of strange land into local document store.Synchronously complete
Afterwards, received by first, second information and distinguish calculation document MD5 values with sending module, fed back to data processing module and contrasted,
Data processing module confirms to send file unlocking information after data are consistent, completes data synchronization process, if inconsistent, adjust again
With the strange land file change information in memory, synchronization is re-started.
It is core that the data processing module, which selects strong little power consumption function, 32 double instruction set, has the ARM of 37 registers,
The central processing unit of the heart.
Standard PDM systems have database, local document store, operational processor, WEB server, wherein database
Service for storing the structural datas such as user, tissue, data attribute, data relationship, local document store is set for product
The entity storage and management of file is counted, operational processor is used to handle all kinds of operation requests that local client is sent, WEB service
Device is used for the link information for managing local client and service end.User carries out work(using local client by WEB server
It can apply, when user needs to check design document, the file that user asks is reached local client by local document store,
Carry out Fileview.When user is strange land client, accesses the big file in standard PDM systems and operation file storage, behaviour
Network bandwidth is will be limited by as speed.
By for standard PDM system configurations strange land file memory, and pass through file synchronization device and the industry of standard PDM systems
Business processor is attached, and forms the strange land file storage of standard PDM systems.Marked when strange land user is connected by strange land client
During quasi- PDM systems, after operational processor will be judged user by IP network section, strange land file memory is connected automatically to,
And the file cache in literary strange land file memory to strange land client is operated locally for user.User operates the text completed
Number of packages evidence will be also stored into strange land file memory.Change information in file synchronization device record strange land file memory, when
When reaching the setting time, the file change in the file memory of strange land is synchronized in master file storage for subsequent calls.Not
When reaching the setting time, local user needs to use strange land data temporarily, when file synchronization device receives information, by strange land file
During real time data synchronization in memory stores to local file.
Telefile sychronisation operation principle for PDM is referred to shown in accompanying drawing 3.
After standard PDM system configurations file synchronization device, when logging in system by user and when carrying out file operation, system business
Logical server will determine that user is local user also long-distance user.If local user, service logic will connect local file
Memory is simultaneously carried out the work using data therein.If strange land user, then it is that operation local file is deposited to determine whether user
Reservoir still operates strange land file memory., in real time will local text by file synchronization device if operating local document store
Data syn-chronization in part memory is supplied to user to carry out the work into strange land file memory.If operating strange land data,
Directly use the data in the file memory of strange land to carry out the work, and the change of data is delivered to file synchronization device, regularly together
Walk in local document store, synchronizing process is：Data processing module calls the strange land file change information in memory, to
The first information receives the UID that file is sent with sending module, then receives to first, second information and given notice with sending module,
File is locked, prevents other file operations in synchronizing process.After receiving file locking completion information, the first information
Receive with sending module automatically by the file synchronization changed in the file memory of strange land into local document store.Synchronously complete
Afterwards, received by first, second information and distinguish calculation document MD5 values with sending module, fed back to data processing module and contrasted,
Data processing module confirms to send file unlocking information after data are consistent, completes data synchronization process, if inconsistent, adjust again
With the strange land file change information in memory, re-start synchronous (from local document store by file synchronization to different
The process of ground file memory is similar).
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (10)
- A kind of 1. telefile sychronisation for PDM, it is characterised in that including PDM systems, telefile synchronization system, Strange land client；The PDM systems include local client, WEB server, operational processor, database and local document store；Number It is used to store user, tissue, data attribute, data relationship these structural datas according to storehouse, local document store is used for product The entity storage of design document, operational processor are used to handle all kinds of operation requests that local client is sent, and WEB server is used In management local client and the link information of service end；The telefile synchronization system includes local document store, file synchronization device and file memory；The file is same Step device links with local document store, strange land file memory respectively；Strange land client and the WEB server in PDM systems Communication；File synchronization device is used to realize file change writing function, file timing synchronization function and file real-time synchronization function.
- 2. device as claimed in claim 1, it is characterised in that the file synchronization device include first, second information receive with Sending module, data processing module, timer, memory；Local document store receives with the first information in the PDM systems It is connected with sending module；Timer, memory are connected with data processor module respectively；Second information receive with sending module with Strange land file memory connection in telefile sychronisation；File synchronization device is used to realize that file change writing function is specially：To local file in local document store and strange land The change of strange land file is recorded in file memory, and foundation is provided for file synchronization, when data in the file memory of strange land When changing, the second information receives receives relevant information with sending module, and is transferred to data processing module, data processing mould Unique mark UID, file type, file size, the timestamp information of data of the block to changing form different after being read out Ground file change information, it is transferred to memory and is recorded；File synchronization device is used to realize that file timing synchronization function specially at the appointed time completes file synchronization operation：When timing When device reaches the preset time for starting simultaneously operating, send triggering information to data processing module, data processing module and call and deposit Strange land file change information in reservoir, the UID that file is sent with sending module is received to the first information, then to first, second Information is received and given notice with sending module, and file is locked, and is prevented other file operations in synchronizing process, is received After file locking completes information, the first information receives the file synchronization that will change automatically in the file memory of strange land with sending module Into local document store, after synchronously completing, received by first, second information and distinguish calculation document MD5 values with sending module, Feed back to data processing module to be contrasted, data processing module confirms to send file unlocking information after data are consistent, completes number According to synchronizing process, if inconsistent, the strange land file change information in memory is re-called, re-starts synchronization；File synchronization device is used to realize that file real-time synchronization function is specially：When local user needs to operate strange land file data When, strange land file memory sends information to file synchronization device, is received and sending module receive information and is transmitted by the second information To data processing module, data processing module confirms whether file changes by inquiring about memory；If being changed, Real-time synchronization is carried out to the file in the file memory of strange land；Synchronizing process is：Data processing module calls different in memory Ground file change information, to the first information receive with sending module send file UID, then to first, second information receive with Sending module is given notice, and file is locked, and prevents other file operations in synchronizing process；It is complete to receive file locking Into after information, the first information is received with sending module automatically by the file synchronization changed in the file memory of strange land to local file In memory, after synchronously completing, received by first, second information and distinguish calculation document MD5 values with sending module, feed back to data Processing module is contrasted, and data processing module confirms to send file unlocking information after data are consistent, completes data synchronization process, If inconsistent, the strange land file change information in memory is re-called, re-starts synchronization.
- 3. device as claimed in claim 1, it is characterised in that the operational processor, data processing module are 32 double fingers Order integrates, had the ARM of 37 registers as the central processing unit of core.
- 4. device as claimed in claim 1, it is characterised in that the local document store, strange land file memory use Capacity is 1TB EEPROM.
- 5. device as claimed in claim 1, it is characterised in that strange land client is taken by the WEB in Ethernet and PDM systems Business device communication.
- 6. device as claimed in claim 1, it is characterised in that the strange land client accesses strange land file by communication protocol Memory.
- 7. device as claimed in claim 1, it is characterised in that the local client communicates with WEB server uses GPRS Or 4G network services.
- 8. the device as any one of claim 1 to 7, it is characterised in that the local client and strange land client For mobile phone terminal or notebook computer, or the local client and strange land client are cloud sync client.
- 9. a kind of device using any one of claim 1 to 8 carries out the synchronous method of telefile, its feature exists In comprising the following steps：When logging in system by user and when carrying out file operation, it is local user also long-distance user to judge user, if local user, Connection local document store is simultaneously carried out the work using data therein, if strange land user, then it is behaviour to determine whether user Make local document store and still operate strange land file memory, if operation local document store, passes through file synchronization device In real time by the data syn-chronization in local document store into strange land file memory, and it is supplied to user to carry out the work；If behaviour Make strange land data, then directly use the data in the file memory of strange land to carry out the work, and the change of data is delivered into file Synchronizer, Timing Synchronization is into local document store.
- 10. method as claimed in claim 9, it is characterised in that the step in the Timing Synchronization to local document store For：Data processing module calls the strange land file change information in memory, is received to the first information and sends text with sending module The UID of part, then receive to first, second information and given notice with sending module, file is locked, prevented in synchronizing process Other file operations.After receiving file locking completion information, the first information is received with sending module automatically by strange land file The file synchronization changed in memory is into local document store, after synchronously completing, is received by first, second information and is sent Module distinguishes calculation document MD5 values, feeds back to data processing module and is contrasted, and data processing module confirms that data are unanimously sent out afterwards Go out file unlocking information, complete data synchronization process, if inconsistent, re-call the strange land file change in memory Information, re-start synchronization.
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| CN112351016B (en) * | 2020-10-28 | 2022-09-06 | 河南信大网御科技有限公司 | One-to-many telnet remote communication method, mimicry defense architecture and medium |
| CN113656366A (en) * | 2021-08-03 | 2021-11-16 | 北京数码大方科技股份有限公司 | Data processing method and device for electronic warehouse |
| CN113656366B (en) * | 2021-08-03 | 2024-05-03 | 北京数码大方科技股份有限公司 | Data processing method and device for electronic warehouse |
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