CN113987079B - Data synchronization method for urban rail transit security system - Google Patents
Data synchronization method for urban rail transit security system Download PDFInfo
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Abstract
The application discloses a data synchronization method for an urban rail transit security system, wherein a database of a station master control platform receives and stores first data in security data of a corresponding station level platform; monitoring the change condition of first data in a database of a main control platform of a site, filtering the first data to obtain data to be synchronized, and sending the data to be synchronized to databases of other platforms; the databases of the other platforms receive the data to be synchronized and perform incremental processing to keep the data synchronized with the database of the site master control platform; any one stage of platform can master synchronous security event data when taking over a certain station, so that the flexibility of security event processing work is improved.
Description
Technical Field
The invention belongs to the technical field of security and particularly relates to a data synchronization method for an urban rail transit security and protection system.
Background
At present, security systems for urban rail transit generally adopt a central-level and site-level two-level management mode, and have a hierarchical distributed structure with three-level control, namely, a road network central level, a line central level and a site level, as shown in fig. 1, fig. 1 is a schematic diagram of an existing traffic security system architecture.
The site-level platform can capture various types of alarm events occurring in a site at the first time and perform corresponding processing according to the types of the alarm events, and the central-level platform (line central-level and road network central-level) needs to continuously track the event development and handling processes, so that the security events need to be reported layer by the database of the site-level platform, which results in that the central-level platform cannot rapidly and timely respond to the security events, and once one of the platforms fails to be used due to an emergency, the platform taking over security cannot acquire the security event information and data returned by the field equipment, for example, when a line-level application server fails, the security event data of the site-level application server connected with the platform cannot be transmitted to the central-level application server through the line-level application server, which results in that the central-level application server cannot timely and effectively handle the security events of the sites, thereby reducing the flexibility of security event handling work.
Disclosure of Invention
In order to solve the problems, the invention provides a data synchronization method for an urban rail transit security system, which can ensure the data synchronization of field security events, enables all levels of platforms to master the synchronized security event data when any one platform takes over a certain station based on the data synchronization, and improves the flexibility of security event disposal work.
The invention provides a data synchronization method for an urban rail transit security system, which comprises the following steps:
a database of a site master control platform acquires and stores first data in security data of a corresponding site-level platform;
monitoring the change condition of first data in a database of a main control platform of a site, filtering the first data to obtain data to be synchronized, and sending the data to be synchronized to databases of other platforms;
the databases of the other platforms receive the data to be synchronized and perform incremental processing to keep the data synchronized with the database of the site master control platform;
the site master control platform is a platform having control authority over the corresponding site-level platform, and comprises one of the site-level platform, a line central-level platform and a road network central-level platform.
Preferably, the sending the data to be synchronized to the database of the other-stage platform specifically includes:
monitoring a database of a site master control platform, and analyzing a system identifier and a table name of an Sql statement of first data received by the database;
searching corresponding data content matched with the data structure information matched with the regular expression as data to be synchronized;
and sending the data to be synchronized to the databases of other platforms.
Preferably, the sending the data to be synchronized to the database of the other-stage platform specifically includes:
monitoring a database of a site master control platform, and judging whether a table name of first data received by the database meets a preset synchronization rule or not;
and sending the corresponding data content which accords with the rule as data to be synchronized to the databases of other platforms.
Preferably, the data to be synchronized is at least one of security event service data, database log data and system configuration data.
Preferably, the method further comprises the following steps: adjusting a site master control platform having a control authority over a site level platform specifically includes:
when the current site master control platform fails, adjusting the control authority of the corresponding site level platform and setting the other level platforms as the site master control platforms; or;
when other platforms receive the takeover request, the control authority of the corresponding site platform is adjusted, and the platform receiving the takeover request is changed into a site master control platform; or;
when other platforms actively initiate a takeover request, if the current site master control platform agrees to the takeover request, the takeover permission of the current site master control platform is adjusted, and the platform initiating the takeover request is changed into the site master control platform.
Preferably, the adjusting the control authority of the corresponding site-level platform and setting the other level platforms as the site master control platform includes:
when the current site master control platform fails, any one of other platforms corresponding to the current site master control platform is used as the site master control platform to control the site level platform and acquire security data;
and stopping the original data synchronization process, and synchronizing data according to the synchronization rule of the new site master control platform until the site master control platform is changed again.
Preferably, the changing the platform that initiates the takeover request into the site master control platform includes:
and when other platforms actively initiate take-over requests and the current master control platform receives and agrees to take-over request instructions, stopping the original data synchronization process, taking the platform initiating the take-over request as the site master control platform, and synchronizing data according to the synchronization rules of the new site master control platform until the site master control platform is changed again.
Preferably, the changing the platform that receives the takeover request into the site master control platform includes:
and when other platforms receive the takeover request, stopping the original data synchronization process, changing the platform receiving the takeover request into the site master control platform, and synchronizing data according to the synchronization rule of the new site master control platform until the site master control platform is changed again.
Preferably, the method further comprises the following steps:
and the line central-level platform or the road network central-level platform directionally synchronizes the plan management data and the emergency management data to a database corresponding to the station main control platform for synchronizing emergency plan disposal information.
According to the data synchronization method for the urban rail transit security system, when the data of the database of the station master control platform changes, the data of the source end changes are synchronized into the tables corresponding to the server databases of other platforms in real time, redundant storage of security event data can be achieved, security operation and maintenance safety of the rail transit system is guaranteed, even if the site station platform is damaged or fails, other platforms can effectively master the security event data, and therefore flexibility of security event disposal work is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a conventional traffic security system architecture;
FIG. 2 is a diagram illustrating an embodiment of a system architecture for implementing the data synchronization method of the present invention;
FIG. 3 is a schematic flow chart of a data synchronization method of an urban rail transit security system according to the present invention;
fig. 4 is a schematic specific flow chart of the traffic security data synchronization method provided by the present application.
Detailed Description
The invention provides a data synchronization method for an urban rail transit security system, which can ensure the data synchronization of field security events, ensure that all stages of platforms of the rail transit security system can acquire the security event data of stations in time, and master the synchronized security event data when any other stage of platform wants to take over a station platform, thereby effectively improving the flexibility of security event handling work.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2, fig. 2 is a schematic diagram of an embodiment of a system architecture capable of implementing the data synchronization method of the present invention, wherein:
the system comprises site-level platforms, line-level central platforms and road network-level central platforms, wherein each platform is provided with a platform server (represented by a server in the figure) and a corresponding database (represented by DB in the figure), each line-level platform is distributed with a plurality of corresponding site-level platforms, each road network-level platform is connected with the line-level platforms, each site-level platform is connected with a plurality of security data acquisition components arranged on site through software gateways, and the security data acquisition components are used for acquiring site information and sending the site information to the corresponding site-level platforms.
In this preferred embodiment, the software gateway is connected to the line-level platform and the road-level platform corresponding to the platform through hardware, and a data synchronization tool is disposed in the software gateway. In other embodiments of the present application, the software gateway may not be directly connected to the line-level platform and the road-level platform corresponding to the platform. In the embodiment not limited to the above, each stage of platform can implement data synchronization between different stages of platforms by the method shown in the present application.
Specifically, as shown in fig. 3, fig. 3 is a schematic flow chart of a data synchronization method of an urban rail transit security system provided by the present invention, which includes the following steps:
the method comprises the steps that a database of a site main control platform corresponding to site-level security data collected by a site-level platform receives first data in the site security data and stores the first data in the database;
the method comprises the steps that a data synchronization tool monitors the change condition of first data in a database of a station master control platform, filters the first data to obtain data to be synchronized, and sends the data to be synchronized to databases of other platforms;
and the databases of the other platforms receive the data to be synchronized and perform incremental processing to keep the data synchronized with the database of the site master control platform.
The station master control platform is a platform with control authority over the corresponding station level platform, when each platform of the system normally operates, the station level platform is defaulted by the system to be the station master control platform of the system, at the moment, a security terminal arranged under the station level platform collects information in the platform, security event data are formed when a security event occurs, and the security event data are stored in a database of the platform. At this time, the system realizes the synchronization of the security event data by the method.
The security event data of the invention is data generated when a security event occurs, mainly comprises detailed security event information, such as event occurrence time, event occurrence position, event type, event severity level, event trigger equipment number, event trigger equipment name, event processing flow information, event processing linkage equipment information, event state and the like, and can be used for mastering, following and tracing the security event.
Therefore, in the method, when the security terminal for real-time defense deployment detects abnormality or is triggered, data related to a specific security event is formed and is written into a database of the site main control platform as security event data, and the data are monitored and filtered through the data synchronization tool for data synchronization.
In addition, data such as log data and updated system configuration data generated by the site-level platform during daily operation, which are one of the first data of the invention, are also stored in the database of the site master control platform;
the site master control platform monitors whether log data are written in a database of the site master control platform or not through a data synchronization tool, updates system configuration data, filters the log data to obtain data to be synchronized, and sends the data to be synchronized to databases of other platforms through a software gateway.
In this state, the other-level platform databases referred to herein are the line-centric platform and the road-network centric platform.
After receiving the data to be synchronized, the databases of the line-level central platform and the road network central platform perform incremental processing, so that the security event data, the log data and the updated system configuration data received by each station-level platform are synchronously stored in the line-level central platform and the road network central platform.
The security event data of the invention is data generated when a security event occurs, mainly comprises detailed security event information, such as event occurrence time, event occurrence position, event type, event severity level, event trigger equipment number, event trigger equipment name, event processing flow information, event processing linkage equipment information, event state and the like, and can be used for mastering, following and tracing the security event.
The log data of the security system can comprise log information such as an equipment control log, an equipment linkage log, an event processing log, an event alarm log and the like, and is used for tracing the operation process records of the system and the equipment.
The system configuration data may include personnel role basic information, authority information, device basic information, device service parameter information, linkage, plan configuration information, system data dictionary information, etc. for defining system initialization data content.
Compared with the sensing database change which can only be carried with a certain period at intervals by additionally carrying the synchronous application program, the method has the defect of time delay in synchronous triggering, and the method can keep synchronization by monitoring the event data change in the database, thereby effectively avoiding the sensing and triggering time delay caused by additionally carrying the synchronous application program, and further realizing the real-time synchronization of the data of the source end change to the table corresponding to the target server database.
By the method, when data of the database of the site-level platform changes, the data with the changed source end is synchronized to the tables corresponding to the server databases of other levels of platforms in a quasi-real-time manner, on one hand, redundant storage of security event data can be achieved, security operation and maintenance safety of the rail transit system is guaranteed, and even if the site-level platform is damaged or fails, other levels of platforms can effectively master the security event data.
Therefore, on the other hand, the security event data generated on site are synchronized to the database of other platforms in real time, so that the other platforms can respond in time in the security event; any platform can master synchronous security event data when a certain site is to be taken over, and guarantee is provided for the system to flexibly set cross-platform management authority.
Meanwhile, log data, updated system configuration data and the like generated by the site-level platform in daily operation are also stored in a database of the site main control platform.
Specifically, a data synchronization tool monitors a database of a site master control platform, and judges whether data needs to be synchronized or not by analyzing a system identifier and a table name of an Sql statement of first data received by the database; and searching corresponding data content matched with the data structure information matched with the regular expression to be used as data to be synchronized. In this embodiment, the data synchronization tool may be an open-source middleware canal, and determine whether synchronization is needed based on the analysis result identified in the Sql statement by configuring a regular expression of a database table in the canal.
In other embodiments of the present application, it is also possible to determine whether the table name of the first data received by the database conforms to a preset synchronization rule, and use the corresponding data content conforming to the rule as the data to be synchronized.
The method comprises the steps that data to be synchronized are sent to databases of other levels of platforms through a software gateway, the change condition of Sql sentences in logs of a site level database can be analyzed through a data synchronization tool, the data to be synchronized are obtained according to the analysis result marked in the Sql sentences, and therefore repeated data are prevented from being synchronized to databases of other levels. Defining the database table names corresponding to security event service data, security system log data and system configuration data which need to be synchronized in a data synchronization tool, or configuring a regular expression of a database table to be synchronized in the data synchronization tool, so as to realize the differentiation of data contents which need to be synchronized.
When the site-level platform fails or the takeover authority changes, the authority of the site master control platform can also change, so that the site-level platform is no longer used as the site master control platform of the platform, but a corresponding line central-level platform or a road network central-level platform is selected as the site master control platform, and the takeover of the site-level platform field security terminal is realized. The method specifically comprises the following steps:
when the current site master control platform fails, any one of other platforms corresponding to the current site master control platform is used as the site master control platform to control the site and acquire security data, so that data synchronization is realized.
Specifically, the software gateway regularly accesses an access response interface of the site-level platform through RPC service, if the interface has a response, the site-level platform system is considered to be normally accessible, and if the interface has no response continuously for a set number of times, the site-level platform system is considered to have an access fault;
when the software gateway monitors and discovers that the site level platform has faults, the software gateway informs other level platforms to take over the site through a RabbitMQ component; in the preferred embodiment, the line-level platform corresponding to the station is preferably notified to take over the station by default.
And when other platforms receive the takeover instruction, the platform becomes a site master control platform. And storing data generated by the operation of each security device of the site in a database of a new site main control platform through a software gateway, stopping the original data synchronization process, and synchronizing the data according to the data synchronization method until the site main control platform is changed again, if the site-level platform system can be normally accessed.
Even if the current site master control platform does not have a fault, the authority can be changed by actively initiating a takeover request or agreeing to the takeover request. The method specifically comprises the following steps:
when the other platforms agree with the takeover request, the control authority of the corresponding site platform is adjusted, and the platform receiving the takeover request is changed into the site master control platform; and at the moment, stopping the original data synchronization process, changing the platform receiving the takeover request into the site master control platform, and synchronizing data according to the new site master control platform synchronization rule until the site master control platform is changed again.
And when the other platforms actively initiate the takeover request and the current site master control platform agrees to the takeover request, the takeover authority of the current site master control platform is adjusted, and the platform initiating the takeover request is changed into the site master control platform. And at the moment, stopping the original data synchronization process, taking the platform initiating the takeover request as the site master control platform, and synchronizing data according to the new site master control platform synchronization rule until the site master control platform is changed again.
The condition can be suitable for data synchronization when security events which cannot be processed by site-level platforms occur or special emergency management requirements occur, the takeover permission can be flexibly adjusted, and meanwhile, the event data and the like acquired by the site security terminal can be synchronized to the platforms at all levels in real time.
In addition, the method disclosed in the present application further comprises:
and the line central-level platform or the road network central-level platform directionally synchronizes the plan management data and the emergency management data to the corresponding site-level platform database through a data synchronization tool for synchronizing emergency plan disposal information. When the central-level platform formulates new plan management data and emergency management data and writes the new plan management data and the emergency management data into the database, based on the method disclosed by the application, the updated emergency plan associated data are issued to the station-level platform, the real-time updating and synchronization of the emergency plans among the platforms are guaranteed, and the unified management and response of the security platform of the rail transit system are facilitated.
After new security data are written in the database of the station master control platform, the data synchronization tool can synchronize the newly added or modified security data to the databases of the line-level platform and the road network-level platform simultaneously, so that the data synchronization efficiency is greatly improved.
In a specific embodiment of the traffic security data synchronization system, the security data acquisition component may preferably be a camera and/or an access card and/or a night stick and/or an infrared detector and/or an X-ray security detector, that is, any one of the components may transmit the security event data to the software gateway after acquiring the security event data, the software gateway may store the security data in the database of the site-level platform, and the data synchronization tool may synchronize the security data to the database of the line-level platform and the database of the road-network-level platform, thereby implementing fast synchronization of the security event between the databases of the platforms.
In another specific embodiment of the traffic security data synchronization system, all the software gateways may be connected to the corresponding database of the line-level platform and the corresponding database of the road-level platform by using a network cable, and this connection manner is easy to obtain and has a low cost, and of course, other types of connection manners may be selected according to actual needs, which is not limited herein.
The data synchronization design scheme can fully ensure the consistency of multi-level business data of the security platform, and ensure that the security service is not influenced when the station main control platform is crashed.
In order to ensure the maximum data independence and redundancy safety among three-level systems of a site, a line and a network, databases of the three-level system are planned to be independently linked, and interactive data are uploaded and issued in real time through independent data synchronization programs, so that the independence of the systems at all levels is maintained, and longitudinal intercommunication among the systems at different levels is ensured.
To sum up, the above scheme monitors data changes of a site level database, so as to achieve quasi real-time synchronization of data with source end changes to a table corresponding to a destination server database, and ensure data synchronization of security events generated on site in a system.
Referring to fig. 4, fig. 4 is a schematic specific flow chart of the traffic security data synchronization method provided in the present application, in a normal case, a site-level application server defaults to be a site master control platform, and collects various types of data on site by using a software gateway, and when a security event occurs on site, the site-level application server is used as its own site master control platform to store security event service data or daily generated log data and update system configuration data; the site level database monitors the change condition of the database through a data synchronization tool, and synchronously uploads the data to be synchronized to other two levels of databases, namely a road network level database and a line level database, according to the data synchronization configuration, then the line level database and the road network level database receive the data to be synchronized through the data synchronization tool, incremental processing is carried out in the site level database, and the data in the site level database and the site level database are kept synchronous, so that the site security event data synchronization can be guaranteed, a road network central platform and a line central platform can quickly and timely acquire and respond to the site security event data, when any one central platform takes over a certain site, the synchronous security data can be acquired, and the flexibility of security event handling work is improved.
When the site level application server fails to operate normally, the site level application server actively requests other platforms to take over, or other platforms send out a take-over request, and after the request passes, namely the site agrees to take over, the site master control platform is changed into a new take-over platform, namely a line level application server, or when the line level application server also fails abnormally, a road network level application server is used for taking over a site database. And when the line level application server automatically takes over the responsibility of the line level application server as a station master control platform level to manage daily security events of the station, stopping the original data synchronization process, and synchronizing data according to the synchronization rule of the new station master control platform until the station master control platform is changed again. At the moment, the line-level application server directionally synchronizes the plan management data and the emergency management data to a site-level database corresponding table in a specified site range through a data synchronization tool, so that issuing and synchronization of unified emergency plan disposal information are realized, and meanwhile, the security data are synchronized to a road network-level database.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A data synchronization method for an urban rail transit security system is characterized in that,
a database of a site master control platform receives and stores first data in security data of a corresponding site-level platform;
monitoring the change condition of first data in a database of a main control platform of a site, filtering the first data to obtain data to be synchronized, and sending the data to be synchronized to databases of other platforms;
the databases of the other platforms receive the data to be synchronized and perform incremental processing to keep the data synchronized with the database of the site master control platform;
the site master control platform is a platform having control authority over the corresponding site-level platform, and comprises one of the site-level platform, a line central-level platform and a road network central-level platform;
each site-level platform is connected with a plurality of security data acquisition components arranged on site of the site through software gateways; the software gateway is simultaneously connected with a line-level platform and a road network-level platform corresponding to the platform through hardware, a data synchronization tool is arranged in the software gateway, and the data synchronization tool is used for monitoring the change condition of first data in a database of a station master control platform, obtaining data to be synchronized and sending the data to be synchronized to databases of other platforms;
further comprising: adjusting a site master control platform having a control authority over a site level platform specifically includes:
when the current site master control platform fails, adjusting the control authority of the corresponding site level platform and setting the other level platforms as the site master control platforms; or;
when other platforms receive the takeover request, the control authority of the corresponding site platform is adjusted, and the platform receiving the takeover request is changed into a site master control platform; or;
when other platforms actively initiate a takeover request, if the current site master control platform agrees to the takeover request, the takeover permission of the current site master control platform is adjusted, and the platform initiating the takeover request is changed into the site master control platform.
2. The data synchronization method for the urban rail transit security system according to claim 1, wherein the sending of the data to be synchronized to the databases of other-level platforms specifically comprises:
monitoring a database of a site master control platform, and analyzing a system identifier and a table name of an Sql statement of first data received by the database;
searching corresponding data content matched with the data structure information matched with the regular expression as data to be synchronized;
and sending the data to be synchronized to the databases of other platforms.
3. The data synchronization method for the urban rail transit security system according to claim 1, wherein the sending of the data to be synchronized to the databases of other-level platforms specifically comprises:
monitoring a database of a site master control platform, and judging whether a table name of first data received by the database meets a preset synchronization rule or not;
and sending the corresponding data content which accords with the rule as data to be synchronized to the databases of other platforms.
4. The data synchronization method for the urban rail transit security system according to claim 1, wherein the data to be synchronized is at least one of security event service data, database log data and system configuration data.
5. The data synchronization method for the urban rail transit security system according to claim 1, wherein the adjusting the control authority of the corresponding station-level platform and setting the other platform as a station master control platform comprises:
when the current site master control platform fails, any one of other platforms corresponding to the current site master control platform is used as the site master control platform to control the site level platform and acquire security data;
and stopping the original data synchronization process, and synchronizing data according to the synchronization rule of the new site master control platform until the site master control platform is changed again.
6. The data synchronization method for the urban rail transit security system according to claim 1, wherein the changing the platform initiating the takeover request to the station master control platform comprises:
and when other platforms actively initiate take-over requests and the current master control platform receives and agrees to take-over request instructions, stopping the original data synchronization process, taking the platform initiating the take-over request as the site master control platform, and synchronizing data according to the synchronization rules of the new site master control platform until the site master control platform is changed again.
7. The data synchronization method for the urban rail transit security system according to claim 1, wherein the changing the platform receiving the takeover request to the station master control platform comprises:
and when other platforms receive the takeover request, stopping the original data synchronization process, changing the platform receiving the takeover request into the site master control platform, and synchronizing data according to the synchronization rule of the new site master control platform until the site master control platform is changed again.
8. The data synchronization method for the urban rail transit security system according to claim 1, further comprising:
and the line central-level platform or the road network central-level platform directionally synchronizes the plan management data and the emergency management data to a database corresponding to the station main control platform for synchronizing emergency plan disposal information.
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