CN104461765B - The interlock system data accuracy detection method verified based on version - Google Patents
The interlock system data accuracy detection method verified based on version Download PDFInfo
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- CN104461765B CN104461765B CN201410856305.2A CN201410856305A CN104461765B CN 104461765 B CN104461765 B CN 104461765B CN 201410856305 A CN201410856305 A CN 201410856305A CN 104461765 B CN104461765 B CN 104461765B
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Abstract
The present invention relates to a kind of interlock system data accuracy detection method verified based on version, comprise the following steps：1) SDM described in sends version request message to IPS/MMI；2) IPS/MMI described in is received after the request message, is calculated this node and is used interlocking data and the CRC check value of configuration file, and the version number of CRC check value and itself software is sent jointly into SDM；3) SDM described in is received reply message after, calculate the IPS/MMI interlocking data backed up on local disk and the CRC check value of configuration file, and be compared with the CRC check value that receives；4) if both CRC checks value is equal, show " data file/configuration file that destination node is used is consistent with data file/configuration file that SDM is backed up ", and show on SDM the software version number of Correspondent Node.Compared with prior art, the present invention effectively increases the maintenance efficiency of field personnel, makes the advantages of field personnel does not more allow error-prone in the project implementation.
Description
Technical field
The present invention relates to a kind of interlock system data detection method, more particularly, to a kind of interlocking system verified based on version
System data accuracy detection method.
Background technology
The interlock system of complete set, interlocking slave computer IPS, interlocked operation machine MMI, interlocking maintenance console SDM.Each connection
Lock node device and all use the interlock system software and data file and configuration file of oneself.Interlocking attendant needs at any time
Check all devices interlock system software version number and data file and configuration file.Wherein, interlocking slave computer IPS data
And configuration file and program will be unable to check after burned VLE chips, interlocked operation machine MMI data and configuration text
Although part and program can be checked, switch machine operation, unavoidable error repeatedly.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind is based on version verification
Interlock system data accuracy detection method, judged by its CRC check value, its configuration file used and data file
Content it is whether consistent with desired, and determine whether to have used desired software version by checking its version number,
The method for confirming to interlock data correctness by the present invention, having broken away from can not check under interlocked operation machine MMI and interlocking online
The defect of position machine IPS data and configuration file, realizes the work(of real-time online verification MMI and IPS data and configuration file
Can, and MMI and IPS software version number can be verified；And online configuration management is furthermore achieved that, so as to ensure soft
The uniformity of part, data and configuration file, so that interlock system more possesses safety guarantee.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of interlock system data accuracy detection method verified based on version, described interlock system is included under interlocking
Position machine IPS, interlocked operation machine MMI and interlocking maintenance console SDM, it is characterised in that described detection method comprises the following steps：
1) SDM described in sends version request message to IPS/MMI；
2) IPS/MMI described in received after the request message, is calculated this node and is used interlocking data and configuration file
CRC check value, and the version number of CRC check value and itself software is sent jointly into SDM；
3) SDM described in is received reply message after, calculate local disk on back up IPS/MMI interlocking data and configuration text
The CRC check value of part, and be compared with the CRC check value that receives；
4) if both 3, CRC check values are equal, " data file/configuration file and SDM that destination node is used are shown
Data file/the configuration file backed up is consistent ", and show on SDM the software version number of Correspondent Node.
MMI/IPS software version number, and data used in MMI/IPS softwares can be directly viewable on described SDM
Whether file/configuration file is identical with the backup that SDM is achieved, if identical, directly can be checked from the industrial computer where SDM
The content of data file/configuration file used in MMI/IPS.
Described interlocking slave computer IPS and interlocked operation machine MMI, is Dual-Computer Hot-Standby System.
Described CRC check value is calculated by CRC32 algorithms and obtained.
The configuration file of itself and interlocking data are arranged in a big word by described IPS/MMI by the order of setting
Throttling, and as the input of CRC32 algorithms, so as to drive the check word that CRC32 algorithms export one 32.
The IPS/MMI interlocking data and configuration file backed up on described SDM local disks, are arranged in same order
One big byte stream, and as the input of CRC32 algorithms, driving calculates another CRC32 check word.
If the CRC32 check words that the CRC32 sent from IPS/MMI checks word and SDM itself calculating are completely the same,
Prove the yard interlocking backed up on the yard run inside IPS/MMI interlocking data and the configuration file and SDM that use
Data and configuration file are completely the same, so as to reach the function of the complete version verification of real-time online.
Compared with prior art, the present invention does not increase the cost on any hardware based on existing interlock system；
In terms of data correctness checking, break away from and existing only carefully just can guarantee that data are correct by engineering staff is operational
Property present situation, during interlock system works, a kind of method verified with version can be passed through and confirm to interlock data correctness
The data that software systems feedback has been loaded, configuration and software version number, and only need in interlocking maintenance console SDM mono-
Side is operated, and is effectively increased the maintenance efficiency of field personnel, field personnel is more not easy in the project implementation
Error.
Brief description of the drawings
Fig. 1 is interlock system structural representation；
Fig. 2 is flow chart of the invention；
Fig. 3 is IPS/MMI outbound data flow graphs；
Fig. 4 is SDM outbound data flow graphs；
Fig. 5 is the flow chart that SDM/IPS/MMI calculates CRC check value.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the present embodiment includes a set of station interlocking system：Interlock slave computer IPS, interlocked operation machine MMI, connection
Lock maintenance console SDM.
As shown in Fig. 2 SDM sends version request message frame by Transmission Control Protocol to IPS/MMI.IPS/MMI receives version please
After seeking message frame, the CRC check value and software version of data file and configuration file as obtained by Transmission Control Protocol by calculating
Number it is sent to SDM.SDM is received reply message after, the CRC check value received and local history file are calculated obtained by CRC schools
Test value to be compared, and show comparative result with IPS/MMI software version numbers on SDM interfaces.
As shown in figure 3, on the one hand IPS/MMI receives the version verification request message from SDM, on the other hand, version is checked
After this verification request message is correct, by the version number of itself software and according to configuration file and the CRC32 of Generating Data File
Value is sent to SDM.
As shown in figure 4, on the one hand SDM sends version request message to IPS/MMI, on the other hand receive and come from MMI/IPS
CRC check value and software systems version number.And show check results with software systems version number on SDM interfaces.
As shown in figure 5, SDM/IPS/MMI, which takes byte-by-byte reading file content and calculated at any time, updates CRC check value
Algorithm, it is to avoid the problem of program moment takes too big internal memory, also calculated simultaneously according to the uniqueness of file and obtained unique
CRC check value.
CRC32 is a kind of check code algorithm for ensureing data safety, the classic algorithm for judging file uniqueness.IPS/
The configuration file of itself and interlocking data are arranged in a big byte stream, and conduct by MMI ends by fixed order
The input of CRC32 algorithms, so as to drive the check word that CRC32 algorithms export one 32.On the other hand, in SDM the machine
There are a IPS/MMI configuration file and the backup of station yard data.A big byte stream is arranged in same order, and
And as the input of CRC32 algorithms, driving calculates another CRC32 check word.Because CRC32 algorithms are for judging text
The classic algorithm of part uniqueness, if the check word that the CRC32 sent from IPS/MMI checks word and SDM itself calculating is complete
Unanimously, then it can prove to be held on the yard run inside IPS/MMI interlocking data and the configuration file and SDM that use
Yard interlocking data and configuration file it is completely the same, so as to reach the function of real-time online complete version verification, so as to
, further can be with the configuration of online management interlocking software and the purpose of data, it is ensured that the uniformity of interlocking software and data
Ensure the security of interlock system.
The method verified with version confirms interlocking data correctness, the data except that can verify IPS/MMI with real-time online
, can be with on-line testing software version number beyond configuration file.The whole subsystem softwares of interlocking, including MMI/IPS/SDM,
There is its version number fixed., it is necessary to be implemented by fixed configuration requirement during field conduct.The MMI/IPS/ of each version
SDM solidifies its respective software version number among itself software.When the MMI/IPS software versions for receiving SDM verify request
When, respective software version number is sent to SDM.SDM is received after MMI/IPS software version number, and its version number is included
On SDM itself interfaces.Realize the online function of checking interlock system software version number.Realization checks interlocking software version online
Number function, for the maintenance of interlock system, strengthen its configuration management, ensure the uniformity of interlocking software and data, with weight
Want meaning.
The method verified with version confirms the software systems of interlocking data correctness, by for verification data uniqueness
CRC32 algorithms are transplanted in interlocking IPS/MMI/SDM, the uniqueness for verification data file and configuration file.This is one
Plant the mode of thinking of innovation.In Principles of Operating System, all are all files.The data flow of CRC32 inputs is a kind of file,
IPS/MMI configuration file and station yard data is also a kind of file.Different files is arranged in one big word in certain sequence
Throttling, remains a file.Therefore, big word IPS/MMI configuration file and station yard data being arranged in certain sequence
Throttling, completely can as CRC32 input, so as to calculate unique CRC32 check word.MMI/IPS configuration
If file and station yard data calculate obtained CRC32 check values and the configuration file and station that are backed up on SDM in certain sequence
Field data puts in order by identical calculates obtained CRC32 check values unanimously, then can be determined that that is held on MMI/IPS matches somebody with somebody
It is consistent with the configuration file and station yard data backed up on SDM to put file and station yard data.So as to realize on-line testing MMI/
The function of IPS configuration files and station yard data, frees the information of configuration and data from the interlock system of closing.
The method verified with version confirms the software systems of interlocking data correctness, and different files is arranged in certain sequence
One big byte stream is arranged into, including All Files is lined up a byte stream and calculates a total crc value for verifying file
Collection is overall.
The method verified with version confirms the software systems of interlocking data correctness, and different files is arranged in certain sequence
One big byte stream is arranged into, including file set is divided into different subsets, and calculates crc value respectively, for disaggregatedly
The different subset of the file of verification.
The method verified with version confirms the software systems of interlocking data correctness, and different files is arranged in certain sequence
One big byte stream is arranged into, including file set is divided into different subsets, the subset divided most I to single file, meter
Obtained crc value, the correctness for individually examining single file.
The method verified with version confirms the software systems of interlocking data correctness, using byte-by-byte reading file and with
Shi Gengxin calculates the method for crc value, it is to avoid when file is excessive excessive, the problem of program committed memory is excessive.Using byte-by-byte
Reading in the method for file, same time-program(me) only can take the memory headroom of a byte.
The method verified with version confirms the software systems of interlocking data correctness, and software version number is compiled into one
Interaction message between IPS/MMI and SDM, collects display in SDM programs, so as to reach the mesh of online management software version
's.
Claims (6)
1. a kind of interlock system data accuracy detection method verified based on version, it is the next that described interlock system includes interlocking
Machine IPS, interlocked operation machine MMI and interlocking maintenance console SDM, it is characterised in that described detection method comprises the following steps：
1) SDM described in sends version request message to IPS/MMI；
2) IPS/MMI described in is received after the request message, calculates the CRC schools that this node uses interlocking data and configuration file
Value is tested, and the version number of CRC check value and itself software is sent jointly into SDM；
3) SDM described in receives reply message after, calculate the IPS/MMI interlocking data backed up on local disk and configuration file
CRC check value, and be compared with the CRC check value that receives；
4) if both CRC check values are equal, " data file/configuration file that destination node is used is backed up with SDM for display
Data file/configuration file it is consistent ", and show on SDM the software version number of Correspondent Node；
It can be directly viewable MMI/IPS software version number on described SDM, and data file used in MMI/IPS softwares/
Whether configuration file is identical with the backup that SDM is achieved, if identical, directly can check MMI/ from the industrial computer where SDM
The content of data file/configuration file used in IPS.
2. a kind of interlock system data accuracy detection method verified based on version according to claim 1, its feature
It is, described interlocking slave computer IPS and interlocked operation machine MMI, are Dual-Computer Hot-Standby System.
3. a kind of interlock system data accuracy detection method verified based on version according to claim 1, its feature
It is, described CRC check value is calculated by CRC32 algorithms to be obtained.
4. a kind of interlock system data accuracy detection method verified based on version according to claim 3, its feature
It is, the configuration file of itself and interlocking data are arranged in a big byte by described IPS/MMI by the order of setting
Stream, and as the input of CRC32 algorithms, so as to drive the check word that CRC32 algorithms export one 32.
5. a kind of interlock system data accuracy detection method verified based on version according to claim 4, its feature
It is that the IPS/MMI interlocking data and configuration file backed up on described SDM local disks are arranged in one with same order
Individual big byte stream, and as the input of CRC32 algorithms, driving calculates another CRC32 check word.
6. a kind of interlock system data accuracy detection method verified based on version according to claim 5, its feature
It is, if the CRC32 check words that the CRC32 sent from IPS/MMI checks word and SDM itself calculating are completely the same, demonstrate,proves
The yard interlocking data run inside bright IPS/MMI and the yard interlocking number backed up on the configuration file and SDM that use
According to completely the same with configuration file, so as to reach the function of the complete version verification of real-time online.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410856305.2A CN104461765B (en) | 2014-12-29 | 2014-12-29 | The interlock system data accuracy detection method verified based on version |
| HK15107605.5A HK1207178A1 (en) | 2014-12-29 | 2015-08-06 | A method for measuring the accuracy of interlocking system data based on version check |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410856305.2A CN104461765B (en) | 2014-12-29 | 2014-12-29 | The interlock system data accuracy detection method verified based on version |
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| Publication Number | Publication Date |
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| CN104461765A CN104461765A (en) | 2015-03-25 |
| CN104461765B true CN104461765B (en) | 2017-10-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107844384A (en) * | 2016-09-20 | 2018-03-27 | 卡斯柯信号有限公司 | A kind of generation method of interlock safety data |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105678022B (en) * | 2016-02-24 | 2019-01-08 | 卡斯柯信号有限公司 | The interlock system demand for security Formal Modeling and verification method of aspect-oriented |
| CN106445485A (en) * | 2016-03-28 | 2017-02-22 | 中国电力科学研究院 | Software version consistency detection system and detection method thereof |
| CN108462970B (en) * | 2017-02-21 | 2021-05-04 | 中国移动通信有限公司研究院 | Packet loss judgment method and device |
| CN108664352B (en) * | 2018-05-11 | 2022-07-12 | 卡斯柯信号有限公司 | Hot standby system education data verification method based on off-line simulation |
| CN109683980B (en) * | 2018-11-28 | 2021-11-19 | 卡斯柯信号有限公司 | Method for realizing reliable loading of U disk configuration file of trackside safety platform |
| CN111010258B (en) * | 2019-12-23 | 2022-01-28 | 卡斯柯信号有限公司 | Computer interlocking system communication method based on coding |
| CN113535461B (en) * | 2021-06-09 | 2023-10-24 | 卡斯柯信号(成都)有限公司 | Visual verification method for interlocking lower computer data based on configuration file |
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| TW200506625A (en) * | 2002-12-19 | 2005-02-16 | Emulex Corp | Direct memory access controller system |
| CN102063438A (en) * | 2009-11-17 | 2011-05-18 | 阿里巴巴集团控股有限公司 | Recovery method and device for damaged files |
| CN102616254A (en) * | 2011-01-27 | 2012-08-01 | 铁道部运输局 | Control method, equipment and system for railway passenger special line station interlocking machine |
| CN104217167A (en) * | 2014-09-11 | 2014-12-17 | 株洲南车时代电气股份有限公司 | Software version checking method for multi-software system |
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| CN107844384A (en) * | 2016-09-20 | 2018-03-27 | 卡斯柯信号有限公司 | A kind of generation method of interlock safety data |
Also Published As
| Publication number | Publication date |
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| HK1207178A1 (en) | 2016-01-22 |
| CN104461765A (en) | 2015-03-25 |
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