CN112667280B - Locomotive vehicle-mounted application software centralized control system based on Git technology - Google Patents
Locomotive vehicle-mounted application software centralized control system based on Git technology Download PDFInfo
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Abstract
The invention provides a locomotive vehicle-mounted application software centralized control system based on a Git technology, which comprises the following components: the ground comprehensive management Git server, the wireless communication meson and locomotive vehicle-mounted equipment; the ground integrated management Git server is used for managing a plurality of application software carried by the locomotive vehicle-mounted equipment; and the ground integrated management Git server realizes the management of the application software through the wireless communication meson. The invention can uniformly and intensively manage specific application software used by locomotives with different areas, locomotives with different types, locomotives with different numbers, different vehicle-mounted equipment and the like, and realizes the on-line centralized version control of the locomotive vehicle-mounted application software; the method saves manpower, material resources and time, simplifies the application and maintenance of the application software of the vehicle-mounted equipment, and enhances the control capability of safety.
Description
Technical Field
The invention relates to the technical field of traffic application software control, in particular to a locomotive vehicle-mounted application software centralized control system based on the Git technology.
Background
The progress of the rail traffic industry promotes the railway locomotives to continuously develop towards the directions of more complete types and more perfect functions, so that the types of locomotives held by the railway are more and more, the number of locomotives is more and more huge, the locomotive-mounted equipment required to be maintained is an immeasurable value, and the number of application software of the locomotive-mounted equipment is also huge.
The current maintenance management mode of the application software is mostly classified by different railway staff according to locomotive models, or the provider of different equipment is responsible for maintaining the application software of each vehicle-mounted equipment. However, how to implement the application software running in the better maintenance management device for a wide variety of locomotive-mounted application software becomes a quite troublesome problem.
Disclosure of Invention
The invention provides a locomotive vehicle-mounted application software centralized control system based on a Git technology, which aims to overcome the technical problems.
A locomotive on-board application software centralized control system based on the Git technology, comprising: the ground comprehensive management Git server, the wireless communication meson and locomotive vehicle-mounted equipment;
The ground integrated management Git server is used for managing a plurality of application software carried by the locomotive vehicle-mounted equipment; and the ground integrated management Git server realizes the management of the application software through the wireless communication meson.
Further, the managing includes: and carrying out daily application maintenance and software version management on the application software.
Further, the software version management includes: software upgrading, software detection and software backtracking.
Further, the ground integrated management Git server includes:
a security firewall unit: the system safety protection device is used for protecting the system safety;
open source Git service unit: and the system is used for receiving the software version control request information initiated by the locomotive-mounted equipment and carrying out appointed operation on executable application software in the software version control request information.
Further, the wireless communication meson provides a wireless channel for the bidirectional interaction communication between the ground comprehensive management Git server and locomotive vehicle-mounted equipment; the wireless communication meson is a mobile network or a WLAN wireless network.
Further, the ground integrated management Git server manages the application software by adopting a directory structure to be stored locally.
Further, the ground integrated management Git server performs management mode on the application software by adopting any one of the following modes:
namely, the application software on various vehicle-mounted devices of a single locomotive can be managed; managing application software of vehicle-mounted equipment of a plurality of locomotives with the same model; and managing application software of the vehicle-mounted equipment of a plurality of locomotives of different models.
Further, the ground integrated management Git server updates the application software through two communication modes, namely ssh and http.
The invention can uniformly and intensively manage specific application software used by locomotives with different areas, locomotives with different types, locomotives with different numbers, different vehicle-mounted equipment and the like, and realizes the on-line centralized version control of the locomotive vehicle-mounted application software; the method saves manpower, material resources and time, simplifies the application and maintenance of the application software of the vehicle-mounted equipment, and enhances the control capability of safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a directory organization of a ground integrated management Git server according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a locomotive on-board device application software update interaction according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a channel construction in an embodiment of the invention;
FIG. 5 is a schematic illustration of an active trigger of a locomotive in-vehicle device;
FIG. 6 is a schematic diagram of active triggering of a ground integrated management Git server;
FIG. 7 is a schematic diagram of ground integrated management Git server connection adapter initialization.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a locomotive vehicle-mounted application software centralized control system based on a Git technology, which aims to overcome the technical problems.
The invention combines the software version management Git service, can realize the centralized, unified, safe and convenient control mode of different function application software of locomotives of different models, different types of on-board equipment of the locomotives and on-board equipment, is more beneficial to the daily application maintenance and software version management (software upgrading, software detecting and software backtracking) work of the on-board equipment of the locomotives and promotes the improvement of the whole working efficiency.
The invention provides a locomotive vehicle-mounted application software centralized control system based on a Git technology, as shown in fig. 1, comprising: the ground comprehensive management Git server, the wireless communication meson and locomotive vehicle-mounted equipment;
The ground integrated management Git server is used for managing a plurality of application software carried by the locomotive vehicle-mounted equipment; and the ground integrated management Git server realizes the management of the application software through the wireless communication meson.
Further, the managing includes: and carrying out daily application maintenance and software version management on the application software.
Further, the software version management includes: software upgrading, software detection and software backtracking.
The ground comprehensive management Git server is a comprehensive warehouse for centrally managing locomotive vehicle-mounted equipment application software based on Git technology, has the characteristics of high performance, double redundancy, check fault tolerance, high network protection level and the like, can realize the centralized management of the application software, and provides services such as version update, version backtracking, version detection and the like for the locomotive vehicle-mounted equipment application software.
The three functions of version update, version backtracking and version detection are three functions of the git server, and correspond to the git server command as "gitpull", "git reset", "git log or git show".
The "version update, version backtracking, and version detection functions" described herein are repackaging processes that are performed on the basis of the git server functions. The processing here includes two aspects of [ channel setup ] and [ command processing ], wherein a "command" is sent and received through a "channel", and the specific process is as follows:
1. and (3) constructing a channel:
as shown in fig. 4, the channel is mainly used for data transmission and communication, and the communication needs to build a communication link, and the communication link needs to be triggered by a communication source.
The communication source of the locomotive-mounted equipment is a mobile SIM card; the communication source of the intermediate path is a mobile wireless base station; the communication source of the ground integrated management Git server is public network (Ethernet).
The communication connection process comprises the following steps:
And step 1, starting a ground comprehensive management Git server. After the server is normally started, two application services exist simultaneously to jointly complete the software centralized control function, and the software centralized control functions are as follows: connection adapter (Connective _Module), git version control service (Git_Server).
The connection adapter (Connective _Module) is a communication Server end and a communication Client end. The concrete steps are as follows:
as a communication Server side (Server side), the rtp_server module completes a service function (see the above figure). The communication connection and data receiving and transmitting between the vehicle-mounted equipment and the multi-locomotive vehicle-mounted equipment are mainly realized. The communication connection mode adopts a concurrent TCP long connection mode, and the data receiving and transmitting adopts an HTTP remote procedure call (RTP) mode based on TCP.
The specific flow steps are as follows: after Connective _Module service is started, rtp_Server sequentially calls spdlog initialization, getopt parameter initialization, config configuration initialization, HTTP remote procedure call (RTP) initialization based on TCP, port monitoring, connection table initialization based on Hash algorithm, and multiple concurrency queue initialization based on BlockingConcurrentQueue
As a communication Client side (Client side), the adapt_client module completes the service function (see the above figure). The method mainly realizes communication connection and data transceiving with a Git version control service (Git_Server). The communication connection mode adopts serial TCP long connection based on Message mechanism.
The specific flow steps are as follows: after Connective _Module service is started, adapter_client calls spdlog initialization, yaml configuration initialization, TCP-based client initialization, connection detection starting and RabbitMQ-based message queue processing mechanism initialization in sequence.
And 2, starting a wireless transmission module in locomotive-mounted setting. After the module is started, a channel is provided for connecting locomotive vehicle-mounted equipment with a mobile wireless base station or an in-station WLAN.
Step 3, in the locomotive vehicle-mounted equipment, the vehicle-mounted board card equipment with a version maintenance and control function initiates a connection request to a rtp_server of a ground integrated management Git server in the role of a TCP communication client; if the connection is unsuccessful or disconnected, the vehicle-mounted board card equipment starts timing reconnection processing, and the timing reconnection adopts TIMINGWHEEL (time wheel) strategy.
And 4, once the connection is successful, starting a connection heartbeat monitoring mechanism between the train and the ground (namely between the vehicle-mounted equipment and the rtp_server of the ground integrated management Git server), and immediately starting timing reconnection when the heartbeat is abnormal.
Command processing: command processing, namely, processing procedures of a trigger mechanism, a transmission mechanism and a response processing mechanism for commands such as a gitpull (version update) "," gitreset (version backtracking) "," gitlog or git show (version detection) ", and the like.
The specific command processing flow is given by taking the active trigger of locomotive vehicle-mounted equipment and the active trigger of a ground comprehensive management Git server as starting points.
As shown in fig. 5, "locomotive-mounted device" actively triggers: that is, operations such as "version update", "version backtracking", "version detection" are actively requested by the on-board equipment of the locomotive
As shown in fig. 6, the "ground integrated management Git server" actively triggers: namely, the ground integrated management Git server actively requests operations such as version update, version backtracking, version detection and the like.
Further, the ground integrated management Git server includes:
a security firewall unit: the system safety protection device is used for protecting the system safety;
open source Git service unit: and the system is used for receiving the software version control request information initiated by the locomotive-mounted equipment and carrying out appointed operation on executable application software in the software version control request information.
The system has the characteristics of high performance, double redundancy, check fault tolerance, high network protection level and the like, can realize centralized management of application software, and provides services such as version update, version backtracking, version detection and the like for locomotive vehicle-mounted equipment application software;
further, the wireless communication meson provides a wireless channel for the bidirectional interaction communication between the ground comprehensive management Git server and locomotive vehicle-mounted equipment; the wireless communication meson is a mobile network or a WLAN wireless network.
The wireless communication meson provides a communication path between the ground integrated management Git server and locomotive-mounted equipment, and provides a wireless link channel for updating application software, and the wireless communication meson can be integrated into the locomotive-mounted equipment or can exist independently. The wireless communication meson consists of two wireless communication modes, namely a mobile network 5G/4G/3G/2G mode and a WLAN wireless network, wherein the mobile network is 5G/4G/3G/2G, and a wireless channel is provided for the bidirectional interactive communication between the ground comprehensive management Git server and locomotive vehicle-mounted equipment. Typically, the wireless communication meson performs version management work of locomotive on-board device application software preferentially using a WLAN, which is typically disposed in the yard of the locomotive service segment. The 5G/4G/3G/2G wireless service is enabled only when the WLAN is not connected or the signal is low (signal strength is less than or equal to 2). When the locomotive is in the coverage range of the WLAN signal and the locomotive-mounted equipment is powered on, the wireless communication meson is connected to the WLAN server in a secret manner; if the connection to the WLAN server fails or there is no WLAN service, the interactive process uses the 5G/4G/3G/2G wireless service to complete the downloading and updating of the application software.
Further, as shown in fig. 2, the ground integrated management Git server manages the application software to be stored locally by adopting a directory structure.
Further, the ground integrated management Git server manages the application software in the following manner:
Application software for managing various vehicle-mounted devices of a single locomotive; namely, the application software on various vehicle-mounted devices of a single locomotive can be managed; for example, software for managing auxiliary driving equipment on the HXD2136 locomotive, software for wireless communication equipment, software for a driver display unit, and the like;
Application software for managing vehicle-mounted equipment of a plurality of locomotives with the same model; the application software of the vehicle-mounted equipment of a plurality of locomotives with the same model is managed; such as HXD2, software for managing auxiliary driving equipment on three locomotives HXD21536, HXD21537, HXD 21538;
The application software for managing the vehicle-mounted equipment of the locomotives with different models is that the application software for managing the vehicle-mounted equipment of the locomotives with different models; for example, software for managing all the auxiliary driving equipment of the numbered locomotives in the three types of locomotives of HXD1 type locomotive, HXD2 type locomotive and HXD3 type locomotive.
The application software used in various devices installed on all locomotives is uniformly managed by the ground Git server, so that the software is convenient to collect, count and manage, update the ground operation software and the like, time and economic cost are saved, and the method is more convenient.
Further, the ground integrated management Git server updates the application software through two communication modes, namely ssh and http.
The product that has been deployed in a field environment is the "HXD2 electric locomotive autopilot system product". After deployment, ATO communication board card software, ATO core board card software, ATO voting board card software and ATO automatic driving display unit which can be "HXD2 type automatic driving locomotive vehicle-mounted equipment products" are used for online updating service.
The locomotive vehicle-mounted equipment is a direct user of application software, is connected with the ground integrated management Git server through a wireless communication meson, and realizes real-time online update of the application software of the locomotive vehicle-mounted equipment by inquiring and synchronizing the ground integrated management Git server when the vehicle-mounted equipment is powered on or transmits a specific update request after being started. The centralized control of locomotive-mounted application software follows the following procedures:
Scheme 1: the locomotive-mounted equipment is powered on and started; loading and configuring hardware resources in a guiding way; initializing a software system environment of the vehicle-mounted equipment; loading a system kernel process; starting a wireless communication module; and calling the Git service to download, update or detect and trace back the application software instruction. Meanwhile, the Git service instruction is sent by the specific update request mode after the equipment is started.
The on-demand application refers to a particular application that is designated to replace a particular board because several executable applications may be stored on a hardware board of the locomotive's onboard equipment.
Under the condition of no special processing (no special processing, in particular no specific command parameter input), all executable application software on a hardware board card of locomotive-mounted equipment can be updated.
For example, when "hxd2 0156 atogit update-all" or "hxd2 0156 atogit update" is entered at the ground git server command window, all software update operations will be performed on the ATO Board card of the hxd2 locomotive 0156 locomotive. When "hxd2 0156 atogit update-comm" is entered, only the ATO communication board application software is updated. The commands herein are abbreviated commands and are used only as understood when expressed.
The version updating and downloading of the software are distinguished by different instructions, and the sending, receiving and responding of the instructions belong to different processes in the process, and the implementation steps are as follows:
Step 1: after the ground integrated management Git server receives a remote procedure call instruction from locomotive-mounted equipment, the rtp_server service can analyze the call instruction, and the analysis aims to acquire information of the locomotive requiring software management, wherein the information comprises the following steps: 1-road bureau number, 2-crew number, 3-vehicle model, 4-vehicle number, 5-equipment number, 6-software management category, 7-application software name, 8-version control category, etc.;
Step 2: and the rtp_server service encapsulates and sorts the parsed software management information into data packets of different categories, and sends the data packets to the adapt_client service in an internal pipe pipeline communication mode. The data packet mentioned herein comprises: locomotive information data packets, locomotive membership information data packets, software version control information data packets, and the like.
Step 3: the adaptation_client service query is in existence with the TCP network communication connection of the Git_Server (Git Server);
If the connection already exists, the data such as locomotive information data packet, locomotive membership information data packet, software version control information data packet and the like are respectively sent to a Git_Server (Git Server) through the existing connection.
If the connection does not exist, the adaptive_client service is used as a client end of communication, actively initiates a connection request, and after the connection is successful, sends data such as a locomotive information data packet, a locomotive membership information data packet, a software version control information data packet and the like to a Git_Server (Git Server) respectively.
Step 4: after the Git_Server receives the information, it can splice a appointed directory structure, such as "Xiao railway office_Ankang machine service section_HXD2 type locomotive_0156 number_ATOvehicle-mounted equipment_Commsoftware", through the information such as "locomotive membership information data packet", "locomotive information data packet", "software version control information data packet", etc., after analysis is completed.
Step 5: through the directory path of the last step, the executable application software under the directory can be subjected to specified operation according to the operation instruction in the software version control information data packet.
Step 6: after the operation is completed, the acquired data is returned to the acquired data packet content in the form of a data packet through the existing connection with the adaptive_client service. For example, during the update operation, the software of the latest date under the designated directory (for example, the western security railway office_safety and health department_hxd2 locomotive_0156_ato vehicle-mounted equipment_comm software) is read.
Step 7: the data packets are sequentially transmitted to corresponding boards of the locomotive vehicle-mounted terminal. Updating application executable software on the corresponding board card of the locomotive,
The locomotive vehicle-mounted equipment is a direct user of application software, is connected with the ground integrated management Git server through a wireless communication meson, and realizes real-time online update of the application software of the locomotive vehicle-mounted equipment by inquiring and synchronizing the ground integrated management Git server when the vehicle-mounted equipment is powered on or transmits a specific update request after being started. As shown in fig. 3, the application software centralized control follows the following procedure:
scheme 2: the Git service instruction is sent to the ground integrated management Git server in a wireless communication mode. If the transmission is wrong, a timer is started to periodically transmit until the transmission is successful.
Scheme 3: after receiving the Git updating instruction, the ground integrated management Git server carries out version detection on the application software under the local designated path and responds to the request updating, detecting or backtracking instruction.
Scheme 4: the ground comprehensive management Git server responds to the locomotive vehicle-mounted equipment through the same wireless communication mode, and if errors occur in the response process, the responses are retransmitted periodically according to the breakpoint continuous transmission principle until all responses are successfully transmitted.
Scheme 5: and the locomotive vehicle-mounted equipment updates, detects or backtracks the application software in the local environment according to the response of the ground comprehensive management Git server, restarts the application software after the operation is finished, and actively closes the wireless bidirectional interaction channel.
The invention can uniformly and intensively manage specific application software used by locomotives with different areas, locomotives with different types, locomotives with different numbers, different vehicle-mounted equipment and the like, and realizes the on-line centralized version control of the locomotive vehicle-mounted application software; the method saves manpower, material resources and time, simplifies the application and maintenance of the application software of the vehicle-mounted equipment, and enhances the control capability of safety.
The centralized control system for locomotive vehicle-mounted application software based on the Git technology can uniformly and intensively manage specific application software used by locomotives of different areas, different types, locomotives of the same model and different numbers, different vehicle-mounted equipment and the like, and realizes the on-line centralized version control of the locomotive vehicle-mounted application software. Compared with the existing software upgrading mode of locomotive vehicle-mounted equipment, the method not only saves manpower, material resources and time, but also simplifies the application and maintenance of the vehicle-mounted equipment software and enhances the control capability of safety.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (4)
1. Locomotive on-vehicle application software centralized control system based on Git technique, characterized by comprising: the ground comprehensive management Git server, the wireless communication meson and locomotive vehicle-mounted equipment;
The ground integrated management Git server is used for managing a plurality of application software carried by the locomotive vehicle-mounted equipment; the ground integrated management Git server realizes the management of the application software through the wireless communication meson;
the managing includes: performing daily application maintenance and software version management on the application software;
The method for managing the software version of the application software comprises the following steps:
starting a ground comprehensive management Git server; after the ground comprehensive management Git server is started, the software centralized control function is completed together through the connection adapter and the Git version control service;
when the connection adapter is used as a server end, the rtp_server module completes a service function so as to realize communication connection and data receiving and transmitting with the multi-locomotive and multi-locomotive vehicle-mounted equipment;
When the connection adapter is used as a client, the adaptive_client module completes a service function; to realize communication connection and data receiving and transmitting with the git version control service;
Step two, starting a wireless transmission module in the locomotive-mounted equipment to provide a channel for the connection between the locomotive-mounted equipment and a mobile wireless base station or an in-station WLAN;
thirdly, the vehicle-mounted board card equipment with version maintenance and control functions initiates a connection request to a rtp_server module of the ground integrated management Git server;
if the connection is unsuccessful or the connection is disconnected, the vehicle-mounted board card equipment starts timing reconnection processing;
If the connection is successful, starting a connection heartbeat monitoring mechanism between the locomotive vehicle-mounted equipment and the rtp_server module of the ground integrated management Git server, and immediately starting timing reconnection when the heartbeat is abnormal;
the software version management includes: software upgrading, software detection and software backtracking;
the ground comprehensive management Git server manages the application software by adopting a directory structure to be stored locally;
The ground comprehensive management Git server carries out management mode on the application software by adopting any one of the following modes:
namely, the application software on various vehicle-mounted devices of a single locomotive can be managed; managing application software of vehicle-mounted equipment of a plurality of locomotives with the same model; and managing application software of the vehicle-mounted equipment of a plurality of locomotives of different models.
2. The system for centralized control of locomotive on-board application software based on Git technology according to claim 1, wherein said ground integrated management Git server comprises:
a security firewall unit: the system safety protection device is used for protecting the system safety;
open source Git service unit: and the system is used for receiving the software version control request information initiated by the locomotive-mounted equipment and carrying out appointed operation on executable application software in the software version control request information.
3. The integrated control system of locomotive on-board application software based on the Git technology according to claim 1, wherein the wireless communication meson provides a wireless channel for the bidirectional interactive communication between a ground integrated management Git server and locomotive on-board equipment; the wireless communication meson is a mobile network or a WLAN wireless network.
4. The integrated control system of locomotive on-board application software based on the Git technology according to claim 1, wherein the ground integrated management Git server updates the application software by two communication modes, ssh and http.
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| Title |
|---|
| 借助Git实施医疗设备软件版本控制;韩华;;中国医疗器械信息(第14期);全文 * |
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|---|---|
| CN112667280A (en) | 2021-04-16 |
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