CN102902536B - A kind of Internet of Things computer system - Google Patents
A kind of Internet of Things computer system Download PDFInfo
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Abstract
The invention discloses a kind of novel computer system for the application of development support Internet of Things, mainly comprise south bridge, north bridge, communication interface, display device interfaces, sensing equipment interface etc.The core support of Internet of Things application general character is carried out Hardware and equipment, improves the operating speed of whole Internet of Things application, save storage space, improve reliability, reduce costs, Internet of Things application design and development production regularization, through engineering approaches, be convenient to large-scale production and realize standardization.Based on the exploitation of framework platform, support the dynamic plug of application component, easily set up open system more; Define the interface of standard, only need the exploitation of carrying out applying associated components on the basis of framework, improve the quality of software, reduce costs, reduce development difficulty, be conducive to multiple-person cooperative work in a project; Reusability improves the reliability of software, quality and development efficiency, and average development cost are reduced, and tempo of development is accelerated, and maintenance cost reduces.
Description
Technical field
The invention belongs to technology of Internet of things field, particularly relate to a kind of novel computer system for the application of development support Internet of Things, for the novel computer system of development support Internet of Things application.。
Background technology
Along with the fast development of computer technology, electronic technology, the rise of internet, the appearance of Internet of Things, it is the information society of core that the society of the today made becomes with computing machine.In information society, the acquisition of information, process, interchange and decision-making all need a large amount of high-quality computer software, especially the feature of Internet of Things high stability, reliability, security and controllability, this just impels people to propose more and more higher requirement to the kind of computer software, quantity, function, quality, cost and development time etc.Unfortunately, want to make software function stronger, use more convenient, the software developed is more complicated, huger.The software development capabilities of people more seems unable to do what one wishes, so that software development plan delays again and again, and cost is out of hand, and software quality can not be guaranteed, and finally causes the failure of whole project.
As brand-new comprehensive information system, Internet of Things is not simple network concept, and it comprises the many aspects such as perception, transmission, disposal decision, service of information, presents self outstanding feature.First be the complete perception to the objective physical world, it not only shows that carrying out many-sided observation to single phenomenon or target obtains comprehensive perception data, also shows the general perception to real world various object phenomenon; Next is the ubiquitous interconnected of Internet of Things inter-entity, show that various object realizes isomery via the multiple people's of connecing pattern interconnected, also outstanding behaviours not only comprises the public network such as internet, telecommunications network at Internet of Things, also comprise the dedicated network such as electrical network and the network of communication lines, intricate, form the form of " Webweb "; 3rd is information processing and the decision-making of wisdom, and it is embodied in from perceiving the information flow being transferred to decision-making application in Internet of Things, and finally for control provides support, also extensively embodies the association between objects a large amount of in Internet of Things and object and interaction.Object interaction through from physical space to information space, then arrives the process of physical space, forms the open circulation of perception, transmission, decision-making, control.
Internet of Things has significant isomerism, the feature such as promiscuity and ultra-large.Isomerism shows that different manufacturer, different owner, dissimilar, different stage, different category object network coexist in Internet of Things, in many aspects property of there are differences such as communication protocol, information attribute, application characteristics between network, and form the heterogeneous network or " Webweb " form that mix; Promiscuityly show that the isomery of network morphology and composition is promiscuity, multiple information sources concurrent promiscuity, the many aspects such as promiscuity of scene, service and application; Internet of Things is the degree of depth emerging system of physical world and information space, and relate to the integrated information system of the people in the whole world, machine, thing, its scale is big all-embracing.
The These characteristics of Internet of Things determines the characteristic of sensing layer data, i.e. isomery, mix, large-scale real-time streams perception data, simultaneously, it is exactly space-time characterisation that perception data also has a distinguishing feature, be exactly that perception data is just meaningful in special time and particular space, if not in this place or spent this time, the meaning of data may be just little.As the traffic-relevant information of Zhongguancun Street, these transport information, by a lot of node Real-time Collection, are the real-time streams information of the constantly sampling in time of big data quantity.These information are congested in detail or parking informations etc. that the people's car in this region just really needs to understand at that time, to grasp traffic dynamic in time, adjustment traffic route or stopping place, the people in other places may be indifferent to the transport information in this region, or only need to understand rough idea, requirement of real-time neither be very high, as understood the historical traffic information etc. of Zhongguancun Street, in addition, cooperation interaction is needed between the object of Internet of Things, make a response in time to event, this just needs real-time collection, process and control.Two cars as travelled before and after on Zhongguancun Street needs real-time, interactive, should keep unimpeded traveling, and again by keeping certain spacing to ensure security, this just to need under current scene in local space real-time Communication for Power and decision-making treatment between vehicle.As can be seen here similar products at home and abroad to isomery, mix with ultra-large Internet of Things application support be inadequate.
For solving this software crisis, people are carrying out consistent efforts always.Sum up, the effort of people has both direction, and one is the direction of soft project, software project management, and one is the direction of software engineering innovation.From birth till now, software industry has emerged in large numbers a large amount of technical renovation.Technical renovation each time all steps to the basic contradiction solving software industry and goes a step further.In all technical renovation, software frame platform is the most significant, is also the most vital.The use of framework platform solves above problem well.The maximum benefit of framework is reused exactly because framework completed basis in software development, the function of bottom, developer can consider the details of low level development again, but energy is fully placed in the exploitation of service logic.This just makes developer need not start anew to carry out the exploitation of software, shortens the construction cycle of software, simplifies the difficulty of software development, enhances robustness and the maintainability of software.
Software frame (SoftwareFramework) is the reusing design of software systems all or in part.A framework is the aggregate of multiple reusable designed component, it specify the architecture of application, illustrate the dependence between whole design, cooperating member, responsibility is distributed and control flow, show as the method cooperated between one group of abstract class and the example, it provides context (Context) relation for component reusage.
Because framework platform is to the huge meaning of software development, international and domestic a lot of enterprise drops into the research and development of the product of framework platform.Main framework platform comprises: IBMWebSphere, OracleServiceBus, sharp easy special Infomatic, TongTech TongIntegrator, Kingdee Apusic, these framework platforms are all the middlewares meeting service-oriented architecture, they are not certain products, but a kind of brand-new Integrated predict model, coordinate the framework of resource and operation information, these platforms are relatively applicable to the exploitation based on the enterprise information system of internet, comprehensive (especially can not to sensing layer) can not be provided to support to Internet of Things application, be not suitable for Internet of Things application system.
In Internet of Things sensing equipment interface system, equipment interface application developer also has to the ins and outs of care operating system and hardware platform except being concerned about the working method of peripheral hardware itself and control mode, this has increased the weight of the burden of device Driver Development for Embedded and maintenance undoubtedly, particularly at current multiple embedded OS and hardware platform and when depositing.In Internet of Things application, sensing network development scale is increasing, also become increasingly complex, it is higher that the isomerism of sensing equipment also becomes, following problem is more and more outstanding: physically isolate: in a common Internet of Things application, Sensor Network is often just made up of much different subnets, can distribute in different geographical locations; Sensing equipment is of a great variety: as in Smart Home application, have and gather the state such as TV, refrigerator, washing machine, wall hanging rate, illuminating lamp, and the various kinds of sensors of the ambient condition such as collecting temperature, humidity, concentration of formaldehyde, CO concentration; Sensing equipment number increases in a large number; Equipment often also comes from different manufacturers and company; Unit type is different; Various application system is run, along with the variation of application system, to the raising of bandwidth requirement and user to the raising of the performance requirement of network in sensing network.These problems make the management of sensing equipment very complicated.
Summary of the invention
In order to solve the problem run at present, this programme proposes the novel computer system for the application of development support Internet of Things, this framework meets on ESB (ESB) basis of Service-Oriented Architecture Based in tradition, according to sensing equipment access feature in Internet of Things, use for reference the principle of computer network network device management SNMP (Simple Network Management Protocol), devise sensing network management architecture and develop sensing network management agreement SNMP (SensorNetworkManagementProtocol), on this basis, " plug-in unit " and " device drives " technology of employing, ESB ESB (EnterpriceServiceBus) platform based on SOA is extended to Internet of Things from waiting sensing of layer interactive, data gathering, to the intelligent use on upper strata, applications client is supported, provide comprehensive framework support, and the component software Hardware of platform, be cured in embedded device.
The embodiment of the present invention realizes like this, a kind of novel computer system for the application of development support Internet of Things, it is characterized in that, described computer system is based on framework technology, and core support component Hardware, the equipment of Internet of Things application general character, described computer system comprises the following parts be solidificated in embedded device:
South bridge, provides gateway for the transmission for sensing data, and carries out centralized control and management to various equipment;
North bridge, is the hinge of Internet of Things application, completes the signaling transfer point between application engine, Client Agent and data adapter unit, and provide the infrastructure service such as protocol conversion, security control;
Communication interface, by a series of assembly carrying out digital received and sent for wired or wireless communication mode, south bridge calls these communication interfaces, the data of being sent by communication bus reception sensing equipment;
Display device interfaces, sent and user instruction receiving unit by a series of data for particular display device, south bridge calls these display device interfaces, the steering order of display device status information or reception user sensing equipment;
Sensing equipment interface, by a series of data acquisition components formed for specific sensing equipment and instrument, south bridge is by analyzing device description document, call these sensing equipment interfaces, by sensing network management agreement, bus, Multidimensional Awareness and data acquisition are carried out to Internet of Things application state or environmental data;
Application engine, for providing core engine for Internet of Things application, it provides unified management to control, and completes the unified operation to service arrangement, management, monitoring, registration, locating function, integrates the building of bus under environment provide instrument support for user completes SOA quickly and easily;
Applications client is acted on behalf of, all application system clients for supporting for core frame provide exploitation and operation support, this layer assembly provides application component interface, and support the exploitation of applications client, this layer additionally provides and access with the ESB of application engine;
Data adapter unit, adaptive for realizing the accessing operation of the information source of various data source, application data is packaged into the data, services component of loose coupling, address-transparent.
Further, the supporting member be connected with the sensing equipment in sensing network is carried out Hardware, equipment, form the solidification part being called south bridge.
Further, described south bridge is connected with sensing network, according to sensing network management agreement SNMP, automatically collects the related status information of various online sensing equipment, by means of device description file, carries out coding transmission to the device status data accepted; Accept long-range or local sensing equipment steering order on the other hand, by means of device description file, the instruction accepted is encoded, by the control of sensing equipment Interface realization to sensing equipment.
Further, the supporting member that the business component applied with Internet of Things is connected is carried out Hardware, equipment, form the solidification part being called north bridge.
Further, described north bridge function is as follows:
Information flow: comprise intercepting and changing of information, carry out Message Transmission with client;
Message intercepts the client message reception being responsible for shielding different agreement, different data format, different access mode, message call adapter is responsible in information conversion, carry out the conversion of message, encapsulation, extraction, provide outlet function interface to realize the conversion between business object and integrated message;
Distribution of information: comprising local service and call the route with remote service, is the Core Feature of north bridge; Local service calls the service describing according to message encapsulation after message conversion, local service is called, the service result obtained in a synchronous manner, carry out message encapsulation by message conversion, service routing according to the service describing of message encapsulation after message conversion, by the address information in service description file, message call distributor, be distributed to the application engine in length of run service node, obtain service call result in an asynchronous manner, carry out message encapsulation by message conversion;
Data adaptation: north bridge is that data service component provides service container and bus, support master data process zero code, made only need pay close attention to business data model and special data processing logic by developer, service container is bound together persistence object, Object Relation Mapping, DAO by data bus.
Novel computer system for the application of development support Internet of Things provided by the invention provides unified architecture for all Internet of Things application systems based on Development of Framework, so the software configuration consistance of application is good, based on the exploitation of framework, provide the normal structure of application component, support the dynamic plug of application component, easily set up open system more, owing to having extracted the general character infrastructure component of Internet of Things application as main body frame part, for Service Component and sensing equipment define the interface of standard, therefore in the performance history of Internet of Things new projects, the code of general character part does not need from the beginning to write, only need on the basis of framework, to carry out some exploitations of applying associated components and adjust just can meeting the demands, software setup efficiency and quality have also been obtained raising, for performance history, do the quality that can improve software like this, reduce costs, shorten the development time, simplify software ground development difficulty, increase the benefit of software, Software for Design staff concentration, in the understanding to application, makes demand analysis more abundant, store experience, those veteran personnel can be allowed to remove design framework and application component, and be not necessarily limited to Low-layer Programming, allow to adopt rapid prototyping technology, be conducive to multiple-person cooperative work in a project, reusability (Reusability) is the important attribute of high-quality software, after software reuse means the primary development of thought and code, can repeatedly for multiple software, thus improve the reliability of software, quality and development efficiency, because framework can reuse code, from an existing component base, set up application become very easy, framework is the interface that component provides unified definition in addition, thus make the communication between component simple, and great dynamics reusability makes average development cost reduce, tempo of development is accelerated, and developer reduces, and maintenance cost reduces.The assembly of framework platform is solidified into the parts in embedded device, makes Internet of Things application design and development production regularization, through engineering approaches, saving space, travelling speed accelerate, improve reliability, be convenient to large-scale production and realize standardization.
Accompanying drawing explanation
The structural drawing of Fig. 1 Internet of Things application framework platform RSS is the RSS framework platform structural drawing that the embodiment of the present invention provides.
The structural drawing of Fig. 2 Internet of Things computer frames; It is the Internet of Things computer core frame construction drawing that the embodiment of the present invention provides.
Fig. 3 framework innovative technology pie graph; It is the techniqueflow chart of the RSS Internet of Things application framework platform that the embodiment of the present invention provides;
The process flow diagram of Fig. 4 frame application engine is the functional structure chart of the application engine based on ESB (ESB:EnterpriseServiceBus) technology that the embodiment of the present invention provides;
Fig. 5 framework client supporting component structural drawing is the function composition structural drawing of the application client component that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 shows the Internet of Things Computer Systems Organization figure that the invention process case provides.
Application client end layer 1, be all application system client terminal structures supported by RSS Internet of Things computer frames, this layer assembly provides application component interface, and support the exploitation of applications client, this layer additionally provides and access with the ESB of application engine.
Application engine layer 2 is cores of RSS Internet of Things computer frames, and it provides the support of Internet of Things application and development and operation by realizing ESB ESB (EnterpriseServiceBus).
Platform engine mainly contains following functions feature:
Based on service-oriented architecture, provide and can build based on service-oriented, loose coupling, the flexible information exchange platform split.Serviced component in product provides the application of functional mode to divide according to it, is divided into infrastructure service and application service.Infrastructure service provides basic function to support for application engine; Application service completes the access to application system and user's access program.Based on XML synchronous/asynchronous message transfer mechanism between serviced component, adopt the transmission mode of standard, complete interconnecting to each other.
Application engine provides unified supervisor console, completes service arrangement, management, monitoring, registers, to search etc. the unified operation of function, integrates the building of bus under environment provide instrument support for user completes SOA quickly and easily.
Each service node of application engine supports that concurrent, many examples of customizable configuration run, by carrying out correct configuration, for application engine provides stable running environment to one or more service node composition procedure set.By unifying bus service node, manage concentratedly, user can be distributed in the miscellaneous work that the service node the different physical location of bus brings from manual administration and free, achieve the deployment efficiently to service node in bus and management, thus obviate that distributed bus brings be difficult to problem that is unified, centralized management.
Application engine completes the service bus Core Features such as dynamic link, Intelligent routing, information flow, and provides the infrastructure service such as protocol conversion, security control; Application engine is connected various data source and application system via adapter system, and the kernel services such as implementation rule engine, Flow driving are to the mounting of bus; Application engine provides service with the form of agency for bus client, specifically completes the information flow task under specific transactions flow process; Supervisor console has assisted the management to the key metadata such as service registration information, configuration information.
Information flow, namely the route, transmission, conversion etc. of information, be the Core Feature of application engine.First, it is while the reliable delivery of guarantee information, and the message exchange that shielding different agreement, different data format, different access mode cause is not smooth; Secondly, it is while the logical independence improving service, greatly reduces the coupling between service and dependence, makes application system can adapt to the requirement of constantly change; In addition, the service linked up by unobstructed information flow can be combined into clear and definite workflow, to meet the needs of business processing.
Service monitoring: application engine provides concentrated Visualization Service monitoring mechanism, client can monitor each service node be deployed in Distributed Services bus easily in real time.By the mode of bus Global Topological, the logic association relation between territory and territory and the logical interdependence of some territories and service host are able to lively representing, and user can get a bird's eye view the global context of bus whereby.By various monitor dial plate, the situation of bus traffic housekeeping runs, the landmark questions produced in the processes such as the service of calling and the diagnosis etc. to relevant issues obtain more intuitive, real-time representing.Meanwhile, by message report, user can obtain specifically, careful service transacting implementation status.
Sensing gateway layer 3, on the one hand, sensing network is connected with Internet by it, read by another system to make the information transmitted from a system by Reseal information, session is developed and managed by same application communication, transmit encoded data, and resolution logic and physical address data, thus realize message exchange between the two; On the other hand, automatically collect the related status information of various online sensing equipment, generate device description file, carrying out centralized control and management to various equipment, is the core of data perception layer.
Specifically, sensing gateway possesses following functions:
1) access function: the connection mainly realizing sensing network and communication network;
2) network savvy: mainly realize the connection between sensing network internal sensor equipment;
3) transmitting function: the transmission mainly realizing message between sensing network internal sensor equipment and communication network;
4) Core Feature: address function, realizes the acquisition of own IP address and supports that sensing network internal sensor device end obtains IP address; Qos feature, realizes classification process and the forwarding of multi-business flow; Security function, by certification and encryption mechanism, prevents external network to the illegal access of the unauthorized access of inner sensing network and internal sensor network.
5) remote management capability: mainly realize Internet of Things application layer to the telemanagement of sensing equipment and control.Sensing equipment interface layer 4, by a series of data acquisition components of forming for specific sensing equipment and instrument and and gateway between transport module (such as ZigBee), for carrying out Multidimensional Awareness and data acquisition to Internet of Things application state or environmental data.The generation of data, acquisition, transmission, process, application are the important component parts of Internet of Things, and wherein the acquisition of data is one of important steps of Internet of Things intelligent information, does not have it, and Internet of Things has also just become anhydrous source, wood without wood.In Internet of Things, the acquisition of terminal data mainly realizes the Real-time Collection to data by equipment such as RFID, sensor, infrared awareness apparatus, GPS, equipment interface layer assembly by being connected with these sensing equipments, and passes to gateway by transport module.
Fig. 2 shows the Internet of Things computer core frame construction drawing that the invention process case provides.
South bridge 5, for the transmission of sensing data provides gateway, and carries out centralized control and management to various equipment; On the one hand, it is connected with sensing network, according to snmp protocol (this agreement will be introduced in next trifle), automatically collects the related status information of various online sensing equipment, by means of device description file, coding transmission is carried out to the device status data accepted; Accept long-range or local sensing equipment steering order on the other hand, by means of device description file, the instruction accepted is encoded, by the control of sensing equipment Interface realization to sensing equipment.
North bridge 6, is the hinge of Internet of Things application, completes the signaling transfer point between application engine, Client Agent and data adapter unit, and provide the infrastructure service such as protocol conversion, security control;
Detailed functions is described below: information flow: comprise intercepting and changing of information, carry out Message Transmission with client.Message intercepts the client message reception being responsible for shielding different agreement, different data format, different access mode, message call adapter is responsible in information conversion, carry out the conversion of message, encapsulation, extraction, provide outlet function interface to realize the conversion between business object and integrated message; Distribution of information: comprising local service and call the route with remote service, is the Core Feature of north bridge.Local service calls the service describing according to message encapsulation after message conversion, local service is called, the service result obtained in a synchronous manner, carry out message encapsulation by message conversion, service routing according to the service describing of message encapsulation after message conversion, by the address information in service description file, message call distributor, be distributed to the application engine in length of run service node, obtain service call result in an asynchronous manner, carry out message encapsulation by message conversion.Data adaptation: north bridge is that data service component provides service container and bus, support master data process zero code, made only need pay close attention to business data model and special data processing logic by developer, service container is bound together persistence object (PO), Object Relation Mapping (ORM), DAO (DAO) by data bus.
Communication interface 7, by a series of assembly carrying out digital received and sent for particular communication mode (wired or wireless), south bridge calls these communication interfaces, receives by communication bus (CBCommunicationBus) data that sensing equipment sends;
Display device interfaces 8, sent and user instruction receiving unit by a series of data for particular display device, south bridge calls these display device interfaces, the steering order of display device status information or reception user sensing equipment;
Sensing equipment interface 9, by a series of data acquisition components formed for specific sensing equipment and instrument, south bridge is by analyzing device description document, call these sensing equipment interfaces, by SNMP (SensorNetworkManagementProtocol sensing network management agreement) bus, Multidimensional Awareness and data acquisition are carried out to Internet of Things application state or environmental data.
Application engine 10, for Internet of Things application provides core engine, it provides unified management to control, and completes service arrangement, management, monitoring, registers, to search etc. the unified operation of function, integrates the building of bus under environment provide instrument support for user completes SOA quickly and easily;
Applications client agency 11, the all application system clients supported for core frame provide exploitation and operation support, this layer assembly provides application component interface, and support the exploitation of applications client, this layer additionally provides and access with the ESB of application engine;
Data adapter unit 12, realizes the accessing operation of the information source of various data source adaptive, application data is packaged into the data, services component of loose coupling, address-transparent.
Fig. 3 shows the technical method figure of Fig. 1 Internet of Things computer system that the invention process case provides, and the method comprises:
In step S301, the application of device interface layer " device drives " technology, makes interface routine for sensing equipment across hardware platform and operating system transplantation without the need to carrying out any amendment to source code;
The device interface layer of this framework platform, have employed the mode at embedded environment device Driver, and the device driver developed in this way can across hardware platform and operating system transplantation without the need to carrying out any amendment to source code.This development scheme can be subject to the welcome of autonomous device manufacturer (IHV) undoubtedly, because such development scheme can shorten the construction cycle of equipment interface and support multiple platform quickly.Meanwhile, such development scheme can allow equipment interface application developer by whole visual cognitive ability to the function and characteristic of equipment itself, thus contributes to the quality improving equipment interface program.
In step s 302, based on the sensing gateway architecture of framework+plug-in part technology, make the sensing equipment of isomery can realize the insertion sensing gateway of " plug " formula, thus realize the dynamic access of Internet of Things;
The sensing gateway core frame of this framework platform and sensing equipment plug-in unit thereof constitute the total system environment of the operation of Internet of Things intelligent sensing terminal and monitoring, management, configuration jointly, and the general architecture of system is:
Sensing equipment access sensing gateway have employed " plug-in unit " form, and gateway master control is as host program.The way of realization of this equipment plug-in unit adopts dynamic link library component mode, and realize unified interface specification, because gateway primary control program and equipment plug-in unit use same address space, therefore gateway primary control program access function pointer list is extremely convenient.When primary control program obtains an interface pointer of equipment plug-in unit, the unique intermediary connecting them is the binary structure of interface.When certain interface of primary control program inquiry query plugin, what it was asked is actually one piece of internal memory with specific format.When equipment plug-in unit returns an interface pointer, it tells the address being actually this block internal memory of master routine.Meanwhile, dynamic link library is binary coding mode, and integrated software in binary level, is convenient to intellectual property protection, avoids artificially revising the destruction that file causes, and achieves code preferably and hides.
Due to the establishment amount of relative overall software, the development amount of exploitation individual equipment plug-in unit is only sub-fraction, and does not need recompility and the issue of all modules of whole overall softwares, just makes the cycle of development equipment plug-in unit greatly shorten.Situation that simultaneously also can be different according to business demand, the division of labor carrying out multiple equipment plug-in unit walks abreast stand-alone development, improves development efficiency and product quality.
Equipment plug-in unit aggregate adopts the file-level way to manage of simple and convenient, if user increases new equipment, under only the equipment add-on file after exploitation need being put into assigned catalogue; If do not need to use which plug-in unit, under assigned catalogue, delete corresponding document just can complete.Change along with business demand constantly increases by the plug number in plugin library set, and the covering of pin function also can constantly be expanded and perfect, both ensure that overall software reliability, is very beneficial for again the accumulation of technological achievement simultaneously.
In step S303, the proposition sensing network management agreement SNMP of novelty, shield the isomerism of equipment of different types of equipment, equipment that different manufacturers is produced, different model, make equipment management terminal can a unified interface and agreement to manage all sensing equipments;
Its basic thought is exactly: be different types of equipment, the equipment of different manufacturers production, the equipment of different model, define a unified interface and agreement, make equipment management terminal that unified appearance can be used to need the sensing equipment of management to manage to these.Creative standard-Simple Network Management Protocol the SNMP (SimpleNetworkManagementProtocol) being widely used in computer network management of RSS framework platform expands as sensing network management agreement SNMP (SensorNetworkManagementProtocol).The sensing network management architecture of RSS framework platform support is exactly the general framework meeting sensing network regulatory requirement as much as possible.Conceptually, for a real network with particular demands, it should be able to according to the needs of user, and exploitation becomes the concrete sensing network management system of of meeting consumers' demand.The architecture of any one sensing network management all should comprise the submodel of following four aspects: information model (informationmodel)-by the description of pipe sensing equipment object, as mib structure and definition; The institutional framework of organize models (organizationalmodel)-process and support management system; Traffic model (communicationmodel)-be described as implementing the communication process required for administrative purposes, comprises MIB access and management agreement etc.; The composition structure of functional mode (functionalmodel)-sensing network management role, comprises functional domain and management function etc.
Figure below gives submodel and the relation thereof of sensing network management architecture.
In step s 304, based on the application engine of ESB (ESB:EnterpriseServiceBus) technology, provide the service development of Internet of Things application, the support of operation and application Integrating; Application engine is the supporting layer of Internet of Things application, the core of its RSS Internet of Things computer frames, and the support of the service development providing Internet of Things to apply, operation and application Integrating, achieves the function of ESB ESB.
In step S305, the application client component based on Portal technology provides the client development support of Internet of Things application and the access with application engine ESB.
Fig. 4 shows the functional structure chart of the application engine based on ESB (ESB:EnterpriseServiceBus) technology that the invention process case provides.Service Invocation Agent 13, bus is accessed easily for realizing Client application system in distributed SOA environment, by initiating bus services request or setting up based on the event-driven mechanism of bus, what Service Invocation Agent made that user can be flexible call is deployed in each service under distributed bus environment.
Service bus 14, it is the ESB (ESB) of Internet of Things application, ESB is a mainstay of SOA framework, and as a kind of Message Agent framework, it provides Message Queuing system, uses the standard techniques such as such as Http, Socket, SOAP or JMS to realize.
It is a kind of opening, measured message mechanism, by simple standard adapter and interface, has carried out the interoperability between coarseness application (such as serving) and other assemblies; Service bus provides the service encapsulates of service application component, service registry, service procedure layout, the function such as service dispatch and service monitoring; Data bus is a kind of special service bus, use ESB pattern that business data access is encapsulated as data, services, it allows " visual " to ETL (being the process of data pick-up Extract, conversion Transform, cleaning Cleansing, the loading Load) operation of business data, it provides the function that business data arbitrary portion is directly accessed in service arbitrarily.
Service procedure composer 15, platform provides based on BPEL4WS (BusinessProcessExecutionLanguageforWebServices, be called for short BPEL) service orchestration instrument assistant service access agent meet the requirement of requestor to composite services, make serve combination and service application flow process realize more convenient.Service Source registration center 16, it is the Service Source Registering product adapting to distributed SOA and information integration actual needs, by participating in business service in each stage of whole SOA life cycle, provide comprehensive support to the design of enterprise-level SOA framework, exploitation, deployment, operation.
Namely it is the important component part of information integration external member, also distributed enterprise service bus can be assisted to realize registration, the search of unified Service Source and administer simultaneously, Service Source registration center sing on web way to manage, support that multiple relational database and many services are expanded, the function such as provide flexible service registry, search.It realizes in accordance with UDDI specification, employing standard WSDL (WebServiceDescriptionLanguage) is described Service Source information, external reference interface based on SOAP is provided, achieve platform-neutral and the vendor independence of access, thus make that the observability of serving under distributed enterprise service bus is under control, service release obtains management, the change of information on services obtain analyze and pass on, service service condition obtains supervision, information on services obtains shared, the consistance of Service Source is guaranteed.
Service monitoring center 17, for ESB provides visual monitoring bus platform, the business service be distributed under the different physical node of bus can be provided in real time, dynamically, intelligent monitoring flexibly, interface is shown by abundant figure, bus service operation state and each index of performance data are presented to client by service monitoring center intuitively, make user to the performance of each business service of bus and health condition very clear, thus understand bus links operation conditions fast.
Service monitoring center achieves monitoring bus, service monitoring, these three Core Features of message report, user not only can be helped from the health of multiple management view assessment business, environment and validity with this, for Executive Team and business executor provide high-quality, effective Data support, it provides the means that subsidiary SLA promises to undertake simultaneously, corporate IT departments can be managed IT infrastructure in real time, effectively.
Service listens device 18, for receiving the message of the services request that client is sent.
Integration platform provides HTTP, SOCHET, SOAP, JMS, FTP five kinds of passages, comes for pass-along message between service application, and user can by configuration, and realize the dynamic change to message channel, platform engine provides the detectaphone for often kind of passage.
HTTP passage: under providing sensing network environment good condition, carry out the passage of message between the both sides that can trust each other based on http protocol; SOCKET passage: provide that sensing network environment is good, security request data is not too harsh, under the condition of big data quantity transmission (mainly LAN (Local Area Network)), carries out the passage of message based on SOCKET form between both sides; SOAP passage: be mainly the information exchanging channel providing the service interface WEBSERVICE based on International standardization between different institutions; FTP passage: transmitting data file passage is provided; JMS is mainly message between different service node, or business requirement of real-time is not under too high condition, the asynchronous message transfer channel based on JMS message-oriented middleware provided.Its major advantage is, when sensing network is obstructed, to provide message queue buffer memory, after sensing network failback, does not need extra programmed control, automatically carries out transmission of messages.
Service adapter 19, realize the seamless connection to various data source, information source and various application system, it is the important composition part of government information exchange and information integration, this product not only provides various prefabricated adapter directly to configure for information integration project, also provides the expansion interface of standard for the regarded as output controlling under specific demand simultaneously.
According to data source types and the difference to its Integration Mode, universal adapter can be divided into application adapter, protocol adaptor and data adapter unit.
Application adapter, by realizing Application-Specific Processing interface (API), provides the connection support to service application.
Protocol adaptor, provides the connection support of applying standard agreement (comprising SOCKET, FTP, EJB, LDAP, XML, JDBC, HTTP, JMS, Email, WebServices, JCA, CORBA, RMI etc.).Data adapter unit, provides various data source, comprises the connection support of relational database, TXT data file, EXCEL data file etc.
Service adapter mainly realizes the service encapsulates interface to various data source, information source and various applying unit system, it is the important composition part of enterprise information exchange and information integration, framework platform not only provides various prefabricated adapter, also provides the expansion interface of standard for the regarded as output controlling under specific demand simultaneously.Particularly, Adapter realizes following function: realize the safety of message, reliable delivery; Realize the transparent transmission of message, the implementer of Adapter need not pay close attention to Transfer Technology details; Universal joint, reduces the complicacy of the service application programming caused because environment is different; Realize that there is the message encapsulation of standard, conversion, receiving function.
Time engine-operated 20, be the core component of framework engine time engine-operated, its major function is responsible for starting and the progress of work of parametric controller.Major function comprises following functions: primary control program starts progress of work manager according to configuration information; Progress of work manager accepts the message of various message channel by message queue detectaphone, administrative messag distribution controller thread, to set up service operation environment (ServiceContext) and back services results messages for local service to client; Progress of work manager can start one or more progress of work according to configuration thus improve the efficiency of Message Transmission.
Message distributor 21, be responsible for carrying out Message Transmission to local service and message distribution to deployment this locality of destination service or remote server.The distribution of message and route under its primary responsibility Distributed Services bus, by static routing, dynamic routing and regular route three kinds of routing modes realize flexibly message communication with mutual; Support to ask multiple ISP simultaneously, make to be positioned at the message that also can to receive Message Agent with the ISP in Message Agent different operating territory and send, thus realize the cross-domain transmission of message; News release/subscription function is provided, to realize the push-pull mode of message, thus serves the broadcasted application of high-performance, large handling capacity.Mainly comprise following functions: message conversion, be responsible for calling service adapter, carry out the conversion of message, encapsulation, extraction, provide outlet function interface to realize the conversion between business object and integrated message; Local service is called, and according to the service describing of message encapsulation after message conversion, calls local service, and the service result obtained in a synchronous manner carries out message encapsulation by message conversion; Service routing, according to the service describing of message encapsulation after message conversion, by the address information in service description file, message call distributor, carry out local service to call, or the message queue be distributed in length of run service node, obtains service call result in an asynchronous manner, carries out message encapsulation by message conversion; Service broker, the service configuration that service broker obtains according to inquiry service registration center and running environment information thereof, create local service example.
Fig. 5 shows the function composition structural drawing of the application client component that the invention process case provides.
User application 22 is final displaying results of frame system, and user can need according to oneself the application customizing oneself at any time.
Representing layer is that the different application of application layer is reacted on the page of different user by the function such as extraction, portlet customization, portlet management applied each by Portal technology, after having developed application service, except needing the interface (result after comprising falling tone use is presented on interface) in front end complete call service, also need three functions realized below: service gathers, some service comes from outside system, but, user requires all services to focus on an interface, shows with unified style; Personalized function: service register center contains all services provided, different users may select different services set, so need a front-end user interface integration mechanism to carry out displaying format customization service, namely provide personalized function, each user can see different set of services; For the display of distinct device, user may use different equipment to visit these services, such as: mobile phone.A system wants the data that can show corresponding format according to different equipment.
Application module container 23, framework by modular container various for foreground application client component be packaged into can independently, the application component of Dynamical Deployment.
Service bus access 24, the Client application system in distributed SOA environment that is primarily implemented in accesses bus easily, by the event-driven mechanism of initiating bus services request or set up based on bus, calling of making that client can be flexible is deployed in the service under distributed bus environment, also can according to the layout of business demand Establishing process with formulate the details of operation that apply, thus improve application system standardization and can be handling.
Service bus access provides appoints catalogue discovery and passage to realize the function substituted, in order to simplify foreground client access remote service, framework platform have employed proxy mode, proxy mode provides an agent object to some objects, and controlling quoting source object by agent object, this mechanism comprises following three assemblies: service brokering component (Serviceproxy), service appoint assembly (servicedelegate) and supplier's positioning component (Providerlocator).
The novel computer system for the application of development support Internet of Things that the embodiment of the present invention provides is divided into sensing equipment interface layer, sensing gateway layer, application engine layer and applications client four layers from bottom to top.The Multidimensional Awareness of lower two-layer holder networking perception interdynamic layer and data acquisition, by " plug-in unit " technology and " device drives " technology, the communication interface of framework platform and various sensing equipment is provided, achieves dynamic " plug " of sensing equipment and the seamless access of heat transfer agent.Go up the two-layer exploitation by the application of ESB ESB technical support Internet of Things, between operation and heterogeneous system, city interconnects.
The application of device interface layer " device drives " technology, makes interface routine for sensing equipment across hardware platform and operating system transplantation without the need to carrying out any amendment to source code; Based on the sensing gateway architecture of framework+plug-in part technology, make the sensing equipment of isomery can realize the insertion sensing gateway of " plug " formula, thus realize the dynamic access of Internet of Things; The proposition of sensing network management agreement SNMP novelty, shields the isomerism of equipment of different types of equipment, equipment that different manufacturers is produced, different model, make equipment management terminal can a unified interface and agreement to manage all sensing equipments; Based on the application engine of ESB (ESB:EnterpriseServiceBus) technology, provide the service development of Internet of Things application, the support of operation and application Integrating; Application client component based on Portal technology provides the client development support of Internet of Things application and the access with application engine ESB.
Novel computer system for the application of development support Internet of Things applies (comprising Internet of Things application) framework platform based on the IT application in enterprises of middleware Technology, it integrates ESB popular at present, component development, Design Mode, Distributed Calculation, middleware, illustrative stipulations, enterprise architecture is separated with focus, the various software development technique such as Enterprise information integration, provide applicable enterprise-level application, Stability Analysis of Structures, easily extensible, the reusable framework platform of assembly, and define interface for various upper-layer service assembly and lower floor's sensing equipment, (controlling upset) technology is injected by relying on, realize the dynamic plug of Service Component and sensing equipment.RSS is to provide omnidirectional support to Internet of Things application four-layer structure (sensing layer, transport layer, data center's layer, intelligent use layer).
This framework provides unified architecture for all application systems based on platform development, so the software configuration consistance of application is good; Based on the exploitation of framework platform, provide the normal structure of application component, support the dynamic plug of application component, easily set up open system more; Owing to having extracted the general character infrastructure component of Internet of Things application as main body frame part, for Service Component and sensing equipment define the interface of standard, therefore in the performance history of Internet of Things new projects, the code of general character part does not need from the beginning to write, only need on the basis of framework, to carry out some exploitations and adjust just can meeting the demands, software setup efficiency and quality have also been obtained raising, for performance history, do the quality that can improve software like this, reduce costs, shorten the development time, simplify software ground development difficulty, increase the benefit of software; Software for Design staff concentration, in the understanding to application, makes demand analysis more abundant; Store experience, those veteran personnel can be allowed to remove design framework and application component, and be not necessarily limited to Low-layer Programming; Allow to adopt rapid prototyping technology; Be conducive to multiple-person cooperative work in a project; Reusability (Reusability) is the important attribute of high-quality software, after software reuse means the primary development of thought and code, can repeatedly for multiple software, thus improve the reliability of software, quality and development efficiency, because framework can reuse code, from an existing component base, set up application become very easy, platform is the interface that component provides unified definition in addition, thus make the communication between component simple, and great dynamics reusability makes average development cost reduce, tempo of development is accelerated, and developer reduces, and maintenance cost reduces.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the computer system for the application of development support Internet of Things, it is characterized in that, described computer system is based on framework technology, and core support component Hardware, the equipment of Internet of Things application general character, described computer system comprises the following parts be solidificated in embedded device:
South bridge, provides gateway for the transmission for sensing data, and carries out centralized control and management to various equipment;
North bridge, is the hinge of Internet of Things application, completes the signaling transfer point between application engine, Client Agent and data adapter unit, and provide the infrastructure service such as protocol conversion, security control; Communication interface, be made up of a series of assembly carrying out digital received and sent for wired or wireless communication mode, south bridge calls these communication interfaces, receives by communication bus the data that sensing equipment sends;
Display device interfaces, is sent by a series of data for particular display device and user instruction receiving unit forms, and south bridge calls these display device interfaces, the steering order of display device status information or reception user sensing equipment;
Sensing equipment interface, be made up of a series of data acquisition components formed for specific sensing equipment and instrument, south bridge is by analyzing device description document, call these sensing equipment interfaces, by sensing network management agreement, bus, Multidimensional Awareness and data acquisition are carried out to Internet of Things application state or environmental data;
Application engine, for providing core engine for Internet of Things application, it provides unified management to control, and completes the unified operation to service arrangement, management, monitoring, registration, locating function, integrates the building of bus under environment provide instrument support for user completes SOA quickly and easily;
Applications client is acted on behalf of, all application system clients for supporting for core frame provide exploitation and operation support, applications client agency provides application component interface, supports the exploitation of applications client, and applications client agency additionally provides and accesses with the ESB of application engine;
Data adapter unit, adaptive for realizing the accessing operation of the information source of various data source, application data is packaged into the data, services component of loose coupling, address-transparent.
2. as claimed in claim 1 for the computer system of development support Internet of Things application, it is characterized in that, the supporting member be connected with the sensing equipment in sensing network is carried out Hardware, equipment, forms the solidification part being called south bridge.
3. as claimed in claim 1 for the computer system of development support Internet of Things application, it is characterized in that, described south bridge is connected with sensing network, according to sensing network management agreement SNMP, the related status information of the various online sensing equipment of automatic collection, by means of device description file, coding transmission is carried out to the device status data accepted; Accept long-range or local sensing equipment steering order on the other hand, by means of device description file, the instruction accepted is encoded, by the control of sensing equipment Interface realization to sensing equipment.
4. as claimed in claim 1 for the computer system of development support Internet of Things application, it is characterized in that, the supporting member that business component apply with Internet of Things is connected is carried out Hardware, equipment, and formation is called the solidification part of north bridge.
5., as claimed in claim 1 for the computer system of development support Internet of Things application, it is characterized in that, described north bridge function is as follows:
Information flow: comprise intercepting and changing of information, carry out Message Transmission with client;
Information intercepts the client message reception being responsible for shielding different agreement, different data format, different access mode, message call adapter is responsible in information conversion, carry out the conversion of message, encapsulation, extraction, provide outlet function interface to realize the conversion between business object and integrated message;
Distribution of information: comprising local service and call the route with remote service, is the Core Feature of north bridge; Local service calls the service describing according to message encapsulation after message conversion, local service is called, the service result obtained in a synchronous manner, carry out message encapsulation by message conversion, service routing according to the service describing of message encapsulation after message conversion, by the address information in service description file, message call distributor, be distributed to the application engine in length of run service node, obtain service call result in an asynchronous manner, carry out message encapsulation by message conversion;
Data adaptation: north bridge is that data service component provides service container and bus, support master data process zero code, only need pay close attention to business data model and special data processing logic, service container is bound together persistence object, Object Relation Mapping, DAO by data bus.
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