CN105183452B - Spring AOP-based remote protocol service system for monitoring power distribution equipment - Google Patents
Spring AOP-based remote protocol service system for monitoring power distribution equipment Download PDFInfo
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Abstract
The invention discloses a Spring AOP (automatic optic protocol) based remote protocol service middleware for monitoring power distribution equipment, which is characterized in that the protocol service middleware respectively transmits application information with a specific service application program and various field devices, and a service bus framework capable of being embedded with a protocol adaptation object is constructed between a communication layer and an application layer to enable the application program to realize the compatibility of different bottom-layer devices. And dynamically configuring the protocol adaptation object in a service bus framework to complete the calling of a remote service interface and the mapping of different protocols. The remote process service provides a corresponding remote service interface for a special service interface called by a remote service application system through a Json-rpc; separating a target protocol object from an access point protocol adaptation object by utilizing a Spring AOP technology; the dynamic configuration corresponds the connection point to the object required by the remote service through a Spring XML configuration, and provides a remote service interface and a corresponding adaptive object for the remote service application system to call.
Description
Technical Field
The invention relates to Spring AOP-based remote protocol service middleware which comprises remote process service, a protocol adapter, multi-protocol XML configuration and multi-protocol scheduling management service. The remote process service provides a corresponding remote service interface for a remote service application system to call through Json-rpc, a target protocol object is separated from an access point protocol adapter through a Spring AOP technology, a cutting surface is connected to an object required by the remote service through multi-protocol Spring XML configuration, and Json-rpc-based remote service interface calling is provided. The problem that protocols of respective application layers of the system are not matched with protocols of respective communication layers of hardware equipment is solved, application layer developers only need to concern respective application layer interfaces, and hardware developers only need to concern respective hardware communication protocols, so that the coupling degree of the hardware equipment and the application system is reduced, and the interoperability of the communication between the control equipment with multiple heterogeneous protocols and different remote service application systems is improved.
Background
At present, the construction of a domestic non-electric quantity acquisition system of power distribution equipment basically adopts interface products with respective characteristics of manufacturers or mature configuration software. With the continuous development and application of field device communication technology, most of the original systems have the problem of system updating and reconstruction in order to be compatible with the communication protocol of the field device, and because the original devices basically do not have a universal interface protocol, a plurality of universal communication protocols combined with self-definition exist. If the product with the communication protocol interface is completely replaced and transformed, great resource waste is caused, and the cost is not sustainable by common enterprises. And from the starting point of reducing the transformation cost, the service-oriented protocol middleware is researched and developed to realize interconnection and intercommunication between different application systems and different field devices.
Disclosure of Invention
In view of the above, the present invention provides a Spring AOP-based remote specification service system for monitoring power distribution equipment.
The invention is realized by adopting the following scheme: the remote protocol service middleware for the power distribution equipment monitoring based on Spring AOP is characterized in that a service bus framework capable of being embedded with a protocol adaptation object is constructed between a communication layer and an application layer of a power distribution equipment monitoring system to enable an application program to be compatible with different bottom layer equipment, and remote calling service is realized.
The service unit for realizing remote protocol monitoring of the power distribution equipment comprises an access service unit and a protocol processing scheduling service unit, wherein the access service unit is responsible for equipment access services of different protocols and protocol processing of a communication layer, and realizes proprietary protocol conversion through the protocol processing scheduling service unit; various protocol adapters are dynamically embedded in the service bus framework to realize that the application program is compatible with the communication protocol of the field power distribution equipment.
The separation of the communication protocol processing and the protocol adaptation object of the power distribution equipment is realized by utilizing Spring AOP in a service bus framework.
The protocol adaptation object is dynamically configured during program operation by the protocol adaptation service unit through XML configuration of Spring AOP.
The system also comprises a Json-rpc-based remote service interface, and a corresponding remote service interface is provided for the remote service application system to call by using the Json-rpc so as to realize remote protocol service.
The service bus framework can dynamically configure the plug-in service application of the protocol adaptation object.
The invention discloses a method for monitoring Spring AOP-based remote protocol service by power distribution equipment, which comprises the following steps: 1) the power distribution equipment access service and protocol processing of different communication protocols are carried out through an access service unit; 2) realizing proprietary protocol conversion by a protocol processing scheduling service unit; then the protocol processing scheduling service unit transmits the protocol processing to the service bus; 3) the service bus selects a corresponding protocol adapter according to the configuration file to carry out pairing processing on the different protocols in the step 1), and finally provides a result object after the pairing to a remote service application system, wherein the remote service application system is a specific business application system located in different places of the Internet and is communicated with the field equipment through a protocol service middleware; the proprietary protocol conversion in the step 2) realizes the mutual conversion between the proprietary protocol of the communication layer and the proprietary protocol of the application layer; and 3) the service bus realizes protocol-to-protocol adapter weaving, protocol pairing and corresponding service by using the Spring AOP and Spring XML configuration framework, and returns a result object required by the remote service to the remote service application program.
The remote service interface based on Json-rpc can be used for providing the corresponding remote service interface for the remote service application system to call, so that developers only need to pay attention to the respective business logic and the respective associated application protocol.
The method can also be used as a service environment for deploying and operating the protocol service middleware through the Web service, so that deployment and application in a service mode are realized.
Specifically, the remote protocol service middleware of the present invention includes a service-oriented protocol middleware, and is characterized in that: the method can perform distributed deployment and use on loosely coupled coarse-grained specification application services through a network according to requirements. The service layer can be directly called by the application, so that the artificial dependency of interaction with the application software agent in the system is effectively controlled, and a corresponding remote service interface is provided for communication without field devices.
In an embodiment of the invention, the system further comprises a json rpc which is a remote invocation service in json message format and allows programs running in different operating systems and different environments to realize Internet-based procedure call specification and a series of realization. Such remote procedure calls may use http as the transport protocol.
In an embodiment of the present invention, the http-client and the server perform a standard for hypertext transfer request and response based on TCP.
In an embodiment of the present invention, the system further includes a service-oriented framework, and the service-oriented framework is constructed by taking a WEB service as a core.
In an embodiment of the present invention, the Web service includes Java EE and NET platforms.
The system comprises a Spring AOP-based multi-protocol adapter and a configurable protocol adapter during operation, and is characterized in that: the method has the advantages that the target object of the proprietary protocol is adapted to the access point object of the protocol butt joint by using the Spring AOP section-oriented programming framework, so that the association between the target protocols can be processed across a plurality of objects. By using the AOP dynamic proxy mechanism, various protocol adapters can be woven into the system after the system starts to run, the protocol adapters are not precompiled into the system, and the woven protocol adapters mostly adopt external xml configuration, so that the woven logic can be dynamically changed.
In an embodiment of the present invention, the Spring AOP framework implements section-oriented programming through an AOP function provided by Spring.
Compared with the prior art, the invention has the following advantages:
1) the protocol service middleware can realize the butt joint of different systems and different field devices;
2) the protocol service middleware is service-oriented architecture, meets the complex Web application requirement of the Internet, and provides a remote service interface for standardizing remote procedure protocol calling for the application;
3) the protocol adapter of the invention can enable an application programmer to only pay attention to the own private application layer protocol without spending much time on how to establish the general protocol specification and the bottom communication layer protocol;
4) the protocol service middleware can enable the protocol adapter to carry out dynamic configuration during service operation like a plug-in;
5) based on the concept of protocol service middleware, the method has great significance for the complex communication of the Internet of things, namely the complex sensor access complex application system on site.
Drawings
Fig. 1 is a schematic diagram of the reduced services middleware architecture of the present invention.
Fig. 2 is a functional block diagram of a protocol adapter implementation of the present invention.
Fig. 3 is a flow chart of the remote specification service based on Spring AOP for monitoring power distribution equipment according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and accompanying drawings.
Based on the design idea of separating protocol processing from protocol adaptation objects, a service bus framework capable of embedding the protocol adaptation objects (each protocol corresponds to one protocol adaptation object) is constructed between a communication layer and an application layer of the power distribution equipment, so that the application program can realize the compatibility of different bottom layer equipment. The protocol adaptation objects are dynamically configured in the service bus framework to complete the calling of the remote service interface and the mapping of different protocols, and the transparent transmission application of the service-oriented remote service interface is provided for various application programs and different bottom layer hardware, so that the defect that the specific service application program needs to be upgraded and developed again when the field equipment is changed is overcome. The remote process service provides a corresponding remote service interface for a special service interface called by a remote service application system through a Json-rpc; the separation design idea utilizes a Spring AOP technology to realize the separation of the target protocol object and the access point protocol adaptation object; the dynamic configuration maps connection points to objects required by the remote service via a Spring XML configuration and provides protocol adaptation objects to Json-rpc-based remote service interface calls
The invention solves the problem of communication and transparent transmission between different application systems and different field devices, and an application system developer only needs to pay attention to own self-owned application layer protocol without being related to various communication layer protocols of bottom hardware devices. The system takes a protocol service as a core, wherein a remote service interface provides a corresponding remote service interface for a remote service application system to call through Json-rpc, a target protocol object is separated from an access point protocol adapter by utilizing a Spring AOP technology, a section is connected to an object (protocol adaptation object) required by the remote service application system through multi-protocol Spring XML configuration, and a Json-rpc-based remote service interface is provided. The interoperability of different protocols of application layers of the system and different communication layer protocols of hardware equipment is solved, application layer developers only need to pay attention to own private application layer protocols and own communication protocols, the coupling degree of the hardware equipment and the application system is reduced, and the interoperability of the communication between the control equipment of the multi-heterogeneous protocol and various types of service remote service application systems is improved.
As shown in fig. 1, the application layer of the power distribution equipment includes a Web application system 2, an application system 1 to an application system n, and the like, and the communication layer of the power distribution equipment includes a DEVICE 1 (PROFIBUS), a DEVICE 2 (LONWORKS), a DEVICE 3 (CAN), a DEVICE 4 (DEVICE-NET) to a DEVICE n (hart), and the like; the protocol service middleware of the invention comprises: the system comprises a remote service layer, an application layer protocol plug-in configuration layer and a communication layer protocol service layer; the remote service layer comprises a remote service interface (application layer protocol 1), a remote service interface (application layer protocol 2), … …, (application layer protocol n), the remote service interface is the prior art; the application layer protocol plug-in configuration layer comprises a service bus frame and a plurality of protocol adapters, wherein the protocol adapters comprise a protocol 1 adapter, a protocol 2 adapter, a protocol 3 adapter to a protocol n adapter and the like; the protocol service layer of the communication layer is provided with an access service unit and a protocol processing scheduling service unit, and the access service unit and the protocol processing scheduling service unit are in the prior art; the application layer of the power distribution equipment is connected with the communication layer of the power distribution equipment through the protocol service middleware and the http protocol to exchange data and the like; the application layer of the power distribution equipment, the http protocol and the communication layer of the power distribution equipment are the prior art.
As shown in fig. 1, this embodiment provides a protocol service middleware, which includes an access service unit and a protocol processing scheduling service unit, where the access service unit is responsible for device access services of different protocols and protocol processing of a communication layer, and the protocol processing scheduling service unit is used to implement proprietary protocol conversion; and the protocol processing scheduling service transmits the protocol processing to a service bus framework, the service bus selects a protocol adapter corresponding to a protocol according to a configuration file to pair the protocol, and finally provides a result object after the pairing to a remote service application system, wherein the remote service application system is a specific service application system positioned in different places of the Internet and is communicated with field equipment through a protocol service middleware. The proprietary protocol conversion realizes the mutual conversion between a communication layer protocol and an application layer protocol; the service bus realizes the protocol entry and protocol pairing and corresponding service by using a Spring AOP and Spring XML configuration framework, and returns a result object to the remote service application service.
The Json-rpc-based remote service interface is also included to allow developers to focus on their own business logic and associated application protocols in order to provide remote service standards to invoke the remote service interface.
In order to realize deployment and application in a service mode, the system also comprises a Web service unit, wherein the Web service is used as a service environment for deployment and operation of a protocol service middleware.
In the embodiment of the invention, a Json-rpc-based remote service interface is further included as a remote calling service jsonrpc, which is a remote calling service with Json as a message format and allows programs running in different operating systems and different environments to realize the specification and a series of realization based on Internet procedure calling. Such remote procedure calls may use http as the transport protocol.
In the embodiment of the invention, the http protocol-client and the http protocol-server are based on the standard of hypertext transfer request and response by TCP.
In the embodiment of the invention, the system further comprises a Web service unit which is a service-oriented framework, wherein the service-oriented framework is constructed by taking a WEB service as a core.
In the embodiment of the invention, the Web service of the Web service unit is Java EE and NET platform.
The multi-protocol adapter based on Spring AOP and the protocol adapter during operation can be configured, see fig. 2, and fig. 2 is a schematic block diagram of the protocol adapter, and a Spring AOP plane-oriented programming framework is used for realizing the adaptation of a target object of a proprietary protocol and an access point object butted by the protocol, so that the association between the target protocol can be processed across a plurality of objects. By using the AOP dynamic proxy mechanism, various protocol adapters can be woven into the system after the system starts to run, the protocol adapters are not precompiled into the system, and the woven protocol adapters mostly adopt external xml configuration, so that the woven logic can be dynamically changed.
In an embodiment of the present invention, the Spring AOP framework implements section-oriented programming through an AOP function provided by Spring.
The invention also provides a configurable protocol adapter, which is a software component developed by utilizing the idea of adapter design mode, and as shown in fig. 2, the method for realizing compatibility of a plurality of configurable communication layer protocols and different application layer protocols is realized, each protocol of the target protocol objects of the protocol adapter corresponds to a target protocol object, and plug-ins are configured in configuration files, the target protocol objects comprise a communication layer protocol and an application layer protocol which are designed according to the adapter interface specification, and the communication layer protocol and the application layer protocol are mutually converted through a protocol adaptation processor. Outputting a crosscut concern point through a protocol adaptation processor, using the crosscut concern point as a Spring AOP execution message interception method, using an abstract tangent plane object as the crosscut concern point to realize an execution message inlet, and then notifying a protocol adaptation object of a message through a tangent plane notification object. All protocol adaptation objects woven into the protocol adaptation processor receive cross-cut point of interest notifications. Some system services with cross-cut properties are handled through AOP, such as protocol adaptation processing, transaction processing, security authentication, and the like. The key point of AOP realization is AOP agents automatically created by an AOP framework, wherein the AOP agents are mainly divided into two categories, namely static agents and dynamic agents, the dynamic agents are realized by JDK dynamic agent prior art, and the static agents are realized by CGLIB prior art; the adapter interface object is a method-oriented standard interface designed for each protocol rather than for a generic protocol. The protocol adapter is a logic processing process corresponding to an application layer protocol and a communication layer protocol which are designed based on a standard interface, wherein the adapter and a target protocol object establish a communication mechanism by utilizing Spring AOP. The protocol adapters of different types are subjected to unified protocol management by a service bus, and private application service is provided for remote specific service application through the service bus and the remote service interface.
The method for monitoring the Spring AOP-based remote protocol service by the power distribution equipment is shown in figure 3 and comprises the following steps: 1) the power distribution equipment access service and protocol processing of different communication protocols are carried out through an access service unit; 2) carrying out protocol scheduling processing through a protocol processing protocol scheduling service unit; then the protocol processing scheduling service unit transmits the protocol processing to the service bus; 3) the service bus selects a corresponding protocol adapter according to the configuration file to perform protocol pairing and protocol conversion processing on the different protocols in the step 1), and finally provides a processed result object to a remote service application system, wherein the remote service application system is a specific service application system located in different places of the Internet and is communicated with the field equipment through a protocol service middleware; the respective protocol conversion in the step 2) is to realize the mutual conversion between the respective corresponding protocol of the communication layer and the respective corresponding protocol of the application layer; and 3) the service bus realizes the protocol-to-protocol adaptation object weaving, protocol pairing and corresponding service by using the Spring AOP and Spring XML configuration framework, and returns the result object required by the remote application service system to the remote application service system.
The invention also provides the remote service application system for calling through a Json-rpc-based remote service interface, so that developers only need to pay attention to their own business logic and their associated application protocols.
The invention can use the Web service as the service environment for deploying and operating the protocol service middleware to realize the deployment and application in a service mode.
Claims (5)
1. The utility model provides a be used for distribution equipment monitoring remote protocol service system based on Spring AOP which characterized in that: the system comprises an access service unit, a protocol processing scheduling service unit, a remote service interface and a service bus framework;
the access service unit is responsible for access service and protocol processing of the power distribution equipment with different communication protocols;
the protocol processing scheduling service unit realizes proprietary protocol conversion; then the protocol processing scheduling service unit transmits the protocol processing to the service bus framework; the proprietary protocol conversion realizes the interconversion between the proprietary protocol of the communication layer and the proprietary protocol of the application layer;
the service bus framework selects a corresponding protocol adapter to pair the different communication protocols according to the configuration file, and finally provides a result object after the pairing to the remote service application system; the remote service application system is a specific service application system located in different places of the Internet, and communication is realized with the field equipment through a remote protocol service system;
the service bus framework realizes the protocol adapter weaving, protocol pairing and corresponding service by using the Spring AOP and Spring XML configuration framework, and returns a result object required by the remote service to the remote service application system; various protocol adapters are woven in the running process of the system instead of being precompiled into the system by utilizing an AOP dynamic proxy mechanism, and the woven-in protocol adapters adopt external xml configuration to dynamically change weaving logic;
the remote service interface is a Json-rpc-based remote service interface, and Json-rpc is used for providing a corresponding remote service interface for a remote service application system to call so as to realize remote protocol service.
2. The remote specification service system according to claim 1, wherein: and the separation of the communication protocol processing and the protocol adapter of the power distribution equipment is realized by utilizing Spring AOP in a service bus framework.
3. A method for implementing a remote protocol service for power distribution equipment monitoring based on the remote protocol service system of claim 1, comprising the steps of: 1) the power distribution equipment access service and protocol processing of different communication protocols are carried out through an access service unit; 2) realizing proprietary protocol conversion by a protocol processing scheduling service unit; then the protocol processing scheduling service unit transmits the protocol processing to the service bus framework; 3) the service bus framework selects a corresponding protocol adapter according to the configuration file to carry out pairing processing on the different protocols in the step 1), and finally provides a result object after the pairing processing for a remote service application system, wherein the remote service application system is a specific business application system located in different places of the Internet and is communicated with the field equipment through a remote protocol service system; the proprietary protocol conversion in the step 2) realizes the mutual conversion between the proprietary protocol of the communication layer and the proprietary protocol of the application layer; and 3) the service bus framework realizes protocol-to-protocol adapter weaving, protocol pairing and corresponding service by using the Spring AOP and Spring XML configuration framework, and returns a result object required by the remote service to the remote service application program.
4. The method of claim 3, wherein: and a corresponding remote service interface is provided for a remote service application system to call through a Json-rpc-based remote service interface, so that developers only need to pay attention to their own business logic and their own associated application protocols.
5. The method according to claim 3 or 4, characterized in that: through Web service, the service environment for deploying and operating a protocol service system is realized, and deployment and application in a service mode are realized.
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| CN108989367A (en) * | 2017-05-31 | 2018-12-11 | 深圳市中兴微电子技术有限公司 | A kind of Internet of Things communication means, equipment and system |
| CN107948200A (en) * | 2017-12-29 | 2018-04-20 | 广州天高软件科技有限公司 | A kind of configurable network interface protocols adaptation engine based on source template |
| CN108737152B (en) * | 2018-03-23 | 2021-10-08 | 全球能源互联网研究院有限公司 | Control equipment supporting multi-protocol power service arrangement |
| CN108965282B (en) * | 2018-07-05 | 2021-05-07 | 珠海许继芝电网自动化有限公司 | Non-invasive cross-safety-area message tracking and monitoring system and method |
| CN110187983A (en) * | 2019-05-24 | 2019-08-30 | 北京奇艺世纪科技有限公司 | A kind of remote invocation method, device and electronic equipment |
| CN110474915A (en) * | 2019-08-20 | 2019-11-19 | 苏州恒志汇智能科技有限公司 | A kind of design method of industrial protocol dynamic self-adapting adaption system |
| CN111800381B (en) * | 2020-05-28 | 2024-03-15 | 国网江苏省电力有限公司 | Public service data integrated remote collection unified protocol processing system and method |
| CN111901683B (en) * | 2020-07-24 | 2023-02-28 | 海信视像科技股份有限公司 | Fault warning information display method and display equipment |
| CN112333193B (en) * | 2020-11-06 | 2021-11-12 | 珠海格力电器股份有限公司 | Automatic protocol updating method and system |
| CN113420883B (en) * | 2021-06-28 | 2022-11-22 | 山东浪潮科学研究院有限公司 | Method and equipment for quantum programming frame to adapt to quantum computer |
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