CN104932452A - Method used for aviation bus tester remote control and system used for aviation bus tester remote control - Google Patents
Method used for aviation bus tester remote control and system used for aviation bus tester remote control Download PDFInfo
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- CN104932452A CN104932452A CN201510190713.3A CN201510190713A CN104932452A CN 104932452 A CN104932452 A CN 104932452A CN 201510190713 A CN201510190713 A CN 201510190713A CN 104932452 A CN104932452 A CN 104932452A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
- G05B19/41855—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication by local area network [LAN], network structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present invention relates to the test technology field, in particular to a method used for aviation bus tester remote control and a system used for aviation bus tester remote control. The method comprises the steps of using a server end to put a provided window communication framework (WCF) service in a WCF service layer, and exposing the WCF service via a server external interface; using a client to obtain a calling instruction of a user via a user interface; using the client to call the instruction, establishing a service agent, connecting the external interface of the WCF service layer via an interface of the client, and calling the WCF service to realize the remote control. According to the present invention, by introducing a WCF technology in the tester series remote control programs, the construction between the client and a server is relatively independent, the client is convenient to cite various services provided by the WCF server end, and the code multiplexing rate and the system maintainability are improved; by introducing a Silverlight technological development web interface, the secondary development cost can be reduced, and the system showing ability is improved.
Description
Technical field
The present invention relates to technical field of measurement and test, be specifically related to a kind of method and system for avionics bus test instrument Long-distance Control.
Background technology
Avionics bus test instrument is used for detection and the localization of fault of avionics system and equipment, mainly comprises the modules such as AFDX, FC, 1553B, ARINC429, RS232/422, analyzes its transmission performance, carry out protocol-decoding etc.
Existing tester remote control software is a kind of Client/Server Database Program, and server program is arranged on controlled computer terminal, and client program is arranged on control end.After successful installation, client is searched and has been installed the remote computer of server on network, the then mutual move instruction of client and server, and two PC set up connection, just can carry out far-end control by the interconnection agreement TCP/IP of network.As long as the server program of server end therefore can be started, the direct main control system of corresponding client-side program just can be used.
But the server software degree of coupling is high in traditional long-range control method, the reusability of code is poor, the expansion that is unfavorable for software and maintenance, in the escalation process in software later stage, needs the cost that drops into higher.
Summary of the invention
Based on traditional avionics bus test instrument long-range control method Problems existing, the object of this invention is to provide a kind of based on WCF service and the avionics bus test instrument long-range control method of Silverlight and system, by introducing the server architecture of WCF Service Design avionics bus test instrument, the software degree of coupling can greatly be reduced, improve software reusability and maintainability, reduce software development cost.
For reaching above-mentioned purpose, on the one hand, the invention provides a kind of method for avionics bus test instrument Long-distance Control, comprising:
Thered is provided Windows Messenger framework WCF service is placed in WCF service layer by server end, and exposes described WCF by server external interface and serve;
Client, by user interface, obtains the call instruction of user;
Client call instruction, sets up service broker, and by this service broker, through the interface of client, is connected with the external interface of described WCF service layer, calls described WCF and serve, realize Long-distance Control.
Wherein, the user interface of described client, by Microsoft silver light Silverlight technological development.
Wherein, the external interface of described WCF layer is externally transmitted by simple object access protocal SOAP.
On the other hand, the invention provides a kind of server for avionics bus test instrument Long-distance Control, comprising: data access layer, Business Logic and WCF service layer;
Wherein, described WCF service layer comprises the service that server provides, and this WCF service layer is used for described service outwards to be exposed by server external interface;
Described WCF service layer, to be connected by server internal interface between Business Logic and data access layer.
Wherein, described server external interface is socket.
Again on the one hand, the invention provides a kind of client for avionics bus test instrument Long-distance Control, this client comprises user interface, client-side interface and service broker;
Described user interface, for man-machine interaction;
Described external interface is used for being connected with server external interface, with the WCF layer of access services device, and calls corresponding WCF and serves, realize Long-distance Control;
Described service broker is connected with described external interface, for the treatment of the interactive information between client and server.
Wherein, described client-side interface is socket.
Wherein, this client develops described user interface by Silverlight.
On the one hand, the invention provides a kind of system for avionics bus test instrument Long-distance Control, comprise above-mentioned server and client side.
The present invention can reach following beneficial effect:
By WCF technology being introduced in tester series remote control program, make to build relatively independent between client and server, the various services facilitating client to quote WCF service end to provide, improve the maintainability of rate of code reuse and system; By introducing Silverlight technological development web interface, can reduce secondary development cost, that improves system represents ability.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the traffic model schematic diagram that the present invention is based on WCF;
Fig. 2 is the schematic flow sheet of a kind of method for avionics bus test instrument Long-distance Control of the present invention;
Fig. 3 is the structural representation of a kind of system for avionics bus test instrument Long-distance Control of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
WCF serves the thought of namely serving based on software, WCF service layer is added in the three-tier architecture (data access layer, Business Logic, showing interface layer) of classics, make it between Business Logic and showing interface layer, transmit data by WCF service layer interface to contact bed.
Silverlight is a browser-cross, technology across customer platform, fully can call the process arithmetic capability of client machine, the application program with professional graphic, Voice & Video can be developed, make the bandwagon effect of Web page as C/S program, achieving without refreshing, enhancing Consumer's Experience.
Socket, usually also referred to as " socket ", for describing IP address and port, is the handle of a communication chain.Application program sends request or response network request by " socket " to network usually.In other words, Socket provides a communication port (socket) in a computer.By this port, a computing machine can communicate with any computing machine with Socket interface.The basis of communication is socket, and a socket is one end of communication, and this one end can be found a name corresponding with it.One is had its type and relative process by the socket used, and socket is present in communication domain.Socket in the usual and same territory of socket exchanges data.Application program is all realized by this socket in the information of transmission over networks, reception.In application and development just as use file handle, read-write operation can be carried out to Socket handle.Socket has two kinds of main modes of operation: connection-oriented and connectionless.Connectionless operation usage data report agreement (UDP).UDP is the abbreviation of User Datagram Protocol, and be a kind of connectionless agreement, each datagram is an independently information, comprises complete source address or destination address, and it passes toward destination with any possible path on network.Connectionless operation is fast and efficiently, but data security is not good.Connection-oriented behaviour
Do to use Transmission Control Protocol.Transmitted by Transmission Control Protocol, what obtain is the data stream of the zero defect of an order.Must connect between transmit leg and two paired socket of take over party, so that at the enterprising Serial Communication in the basis of Transmission Control Protocol, when a socket (being all serversocket usually) wait connects, another socket can require to connect, once these two socket couple together, they just can carry out bidirectional data transfers, and both sides can carry out sending or receiving operation.Connection-oriented operation is lower than connectionless operating efficiency, but the security of data is higher.
In traditional long-range control method, the server software degree of coupling is high, and the reusability of code is poor, the expansion that is unfavorable for software and maintenance, in the escalation process in software later stage, need the cost of input higher, thus present invention employs the repeatedly server model based on WCF.Wherein WCF adopts simple object access protocal SOAP to transmit, ensure that, from different platforms, there is good interactivity, support by parameterized interoperability, service-oriented characteristic, provide the new method building a kind of safe and reliable distributed oriented systems.WCF service end provides service by the service interface exposed to client, and the realization of service and the content of service are separated from each other, and so just can build a kind of Distributed Application of loose coupling.
Multilayer server model based on WCF comprises WCF service layer, Business Logic and database layer.Client can be run under the platform of isomery, WCF just can be used to serve and carry out with it mutual after only needing WCF service to be quoted interpolation.Client need not understand the specific implementation form of service, only needs to know that service interface provides which method and operation, so just can simplify the programming of client.The benefit of such employing layering is when the service logic of client changes, and only needs to carry out suitable amendment to Business Logic, and does not need to make any change to client layer.
Fig. 1 is the traffic model schematic diagram that the present invention is based on WCF, as shown in Figure 1, in WCF client, WCF service is exactly the set of some different accessing points endpoint, by the accessing points of coupling, mutual and transmission of information between client and server, can be carried out.An accessing points is made up of address Address, binding Binding and contract Contract, and each service of service end externally at least discloses an Operational Visit point.In the process of client and server communication, first client generates a Client Agent Proxy in local process, the Message Transmission that then will be sent by this agency is to the accessing points endpoint of this locality, the message that will send formats according to the contract stated in WCF service, be sent in server in corresponding accessing points, and network in charge is monitored the good message of the client format of sending and is made certain response.
Below by way of specific embodiment, the present invention is further explained:
Embodiment one
As shown in Figure 2, be the schematic flow sheet of a kind of method for avionics bus test instrument Long-distance Control of the present invention, comprise:
Step 201, provided Windows Messenger framework WCF service is placed in WCF service layer by server end, and exposes described WCF by server external interface and serve;
Step 202, client, by user interface, obtains the call instruction of user;
Step 203, client call instruction, sets up service broker, and by this service broker, through the interface of client, is connected with the external interface of described WCF service layer, calls described WCF and serve, realize Long-distance Control.
Optionally, the user interface of client, by Microsoft silver light Silverlight technological development.
Further, the external interface of described WCF layer is externally transmitted by simple object access protocal SOAP.
Embodiment two
The present embodiment each provides a kind of server for avionics bus test instrument Long-distance Control, client, and comprises the system of server and client side.
Wherein, described server comprises: data access layer, Business Logic and WCF service layer;
Wherein, described WCF service layer comprises the service that server provides, and this WCF service layer is used for described service outwards to be exposed by server external interface;
Described WCF service layer, to be connected by server internal interface between Business Logic and data access layer.
Optionally, described server external interface is socket.
Described client comprises user interface, client-side interface and service broker;
Described user interface, for man-machine interaction;
Described external interface is used for being connected with server external interface, with the WCF layer of access services device, and calls corresponding WCF and serves, realize Long-distance Control;
Described service broker is connected with described external interface, for the treatment of the interactive information between client and server.
Optionally, described client-side interface is socket.
Optionally, this client develops described user interface by Silverlight.
Fig. 3 is the structural representation of a kind of system for avionics bus test instrument Long-distance Control of the present invention, and as shown in the figure, this system comprises client and server;
The user interface of client is the Long-distance Control web based on Silverlight;
Server comprises WCF service layer, Business Logic and data access layer, between these three layers, is connected with data access layer interface respectively by service logic interface.Optionally, these two interfaces are socket.
Wherein, the user interface of client is connected with WCF service layer by WCF service interface.Optionally, this interface is socket.
By this design, thered is provided service is exposed to client by amendment configuration file by server, for client, only need to add service in a program and quote the communication that just can realize between client and server, be responsible for running all services by the service broker WCF Service Proxy of client and connect.Business logic processing and data access are put in different levels, the dependence between them are reduced, reduces the degree of coupling of system; Server end devises separately WCF service layer, the service provided by server is all put in WCF service layer, then pass through interface one by one and outwardly expose service, client is by accessing WCF address of service and after safety certification, just can calling corresponding service as required.Adopt the form of interface to connect each other between the different levels of server, reduce the coupling between level, conveniently unit testing is done to the different levels of server end, and make calling program have good extensibility.
Along with the requirement of user during engineering test to interactivity and experience sense is more and more higher, traditional is data-centered, the tele-control system being the form of expression with HTML (Hypertext Markup Language) HTML far can not meet user Geng Gao's, omnibearing experience requirements, corresponding, the present invention adopts and enriches internet program RIA and Microsoft's silver light Microsoft Silverlight technology and solve the problems such as the not enough and interactive difference of the expressive force of current Web platform, adopt the user interface of XAML XAML definition, the .NET code of type safety is adopted to hide, new interface is made to have better performance.
Pass through above-described embodiment, the present invention is by introducing in tester series remote control program by WCF technology, make to build relatively independent between client and server, facilitate client and quote the various services that WCF service end provides, improve the maintainability of rate of code reuse and system; By introducing Silverlight technological development web interface, reduce secondary development cost, what improve system represents ability.
Those skilled in the art can also recognize the various illustrative components, blocks (illustrativelogical block) that the embodiment of the present invention is listed, unit, and step can pass through electronic hardware, computer software, or both combinations realize.For the replaceability (interchangeability) of clear displaying hardware and software, above-mentioned various illustrative components (illustrativecomponents), unit and step have universally described their function.Such function is the designing requirement realizing depending on specific application and whole system by hardware or software.Those skilled in the art for often kind of specifically application, can use the function described in the realization of various method, but this realization can should not be understood to the scope exceeding embodiment of the present invention protection.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. for a method for avionics bus test instrument Long-distance Control, it is characterized in that, comprising:
Thered is provided Windows Messenger framework WCF service is placed in WCF service layer by server end, and exposes described WCF by server external interface and serve;
Client, by user interface, obtains the call instruction of user;
Client call instruction, sets up service broker, and by this service broker, through the interface of client, is connected with the external interface of described WCF service layer, calls described WCF and serve, realize Long-distance Control.
2. method as claimed in claim 1, is characterized in that, the user interface of described client, by Microsoft silver light Silverlight technological development.
3. the method for claim 1, is characterized in that, the external interface of described WCF layer is externally transmitted by simple object access protocal SOAP.
4. for a server for avionics bus test instrument Long-distance Control, it is characterized in that, comprising: data access layer, Business Logic and WCF service layer;
Wherein, described WCF service layer comprises the service that server provides, and this WCF service layer is used for described service outwards to be exposed by server external interface;
Described WCF service layer, to be connected by server internal interface between Business Logic and data access layer.
5. server as claimed in claim 4, it is characterized in that, described server external interface is socket.
6. for a client for avionics bus test instrument Long-distance Control, it is characterized in that, this client comprises user interface, client-side interface and service broker;
Described user interface, for man-machine interaction;
Described external interface is used for being connected with server external interface, with the WCF layer of access services device, and calls corresponding WCF and serves, realize Long-distance Control;
Described service broker is connected with described external interface, for the treatment of the interactive information between client and server.
7. client as claimed in claim 6, it is characterized in that, described client-side interface is socket.
8. client as claimed in claim 6, it is characterized in that, this client develops described user interface by Silverlight.
9. for a system for avionics bus test instrument Long-distance Control, it is characterized in that, this system comprises the server described in claim 4 or 5, and the client described in any one of claim 6-8.
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CN106686043A (en) * | 2015-11-11 | 2017-05-17 | 深圳市祈飞科技有限公司 | Background communication method and background communication system for juicer systems |
CN106707857A (en) * | 2016-12-14 | 2017-05-24 | 中航通飞研究院有限公司 | Intelligent control system for avionics system test configuration |
CN111212061A (en) * | 2019-12-31 | 2020-05-29 | 华东计算技术研究所(中国电子科技集团公司第三十二研究所) | AFDX (avionics full Duplex switched Ethernet) -based socket implementation method |
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CN106603260A (en) * | 2015-10-19 | 2017-04-26 | 北京京东尚科信息技术有限公司 | WCF service test method |
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CN111212061B (en) * | 2019-12-31 | 2021-11-23 | 华东计算技术研究所(中国电子科技集团公司第三十二研究所) | AFDX (avionics full Duplex switched Ethernet) -based socket implementation method |
CN112506514A (en) * | 2020-12-30 | 2021-03-16 | 江苏沙钢高科信息技术有限公司 | Multi-platform service sharing system |
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