CN101873592A - Dynamic management device for heterogeneous wireless equipment - Google Patents
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Abstract
The invention discloses a dynamic management device for heterogeneous wireless equipment. The dynamic management device serves as a core part of an equipment resource management platform, works under a wireless equipment network environment, and realizes the dynamic management of the heterogeneous equipment. The device comprises an interface manager, a scheduling manager, a data processor, a state manager, a metadata manager, a memory manager and a persistence manager, wherein the interface manager provides a uniform access interface for the access of distributed heterogeneous wireless equipment; the scheduling manager manages instruction interaction, instruction execution results and equipment resource return results which access equipment resources; and the data processor, the state manager and the metadata manager manage data, metadata and state information respectively. The dynamic management device breaks through the limit to the communication protocol of the heterogeneous equipment in a wireless environment, and has high expandability; and the heterogeneous wireless equipment can join in the management platform through a wireless equipment network at any time, and can interact with the management platform or quit the management platform at any time.
Description
Technical field
The invention belongs to the wireless device network management domain, relate to a kind of management devices, be specifically related to a kind of dynamic management device towards the heterogeneous wireless equipment resource towards the heterogeneous wireless equipment resource.
Background technology
Wireless network had both comprised allowing the user to set up the global voice and data network that remote-wireless connects, and comprised that also near radio connects infrared technology and the radio-frequency technique that is optimized.The purposes of wireless network and cable network is very similar, and maximum difference is the difference of transmission medium, utilizes radiotechnics to replace netting twine, can backup each other with cable network.The equipment that is generally used for wireless network comprises portable computer, desktop computer, handheld computer, personal digital assistant, mobile phone, pen-based computer and beep-pager etc.In order to solve the problem of various Wireless Communication Equipment interconnection, U.S.'s Institute of Electrical and Electronics Engineers IEEE (IEEE) has been released the IEEE802.11 wireless protocol standard.That release at present is 802.11g, and its transmission speed is 54mb/s, and the frequency of its carrier wave is 2.4GHz (identical with 802.11b), and original transfer rate is 54Mbit/s, and clean transmission speed is about 24.7Mbit/s (identical with 802.11a).802.11g equipment downwards and 802.11b and 802.11a compatibility.
Small node random distribution, that be integrated with transducer, data processing unit and communication module constitutes network by the mode of self-organizing, by means of the heat in the various informative sensor measurement surrounding enviroment built-in in the node, infrared, sonar, radar and seismic signal etc., comprise the related substances phenomenon thereby survey.On communication mode, can adopt various ways such as wired, wireless.
In the wireless sensor network, various transducers are sent out the information of monitoring in real time, perception and collection by wireless mode, and are sent to user terminal in the mode of organizing multi-hop certainly, but it has different targets with conventional wireless network.The latter by optimizing the utilance of route and policy in resource management maximization loan, guarantees for the user provides certain service quality in the environment that highly moves simultaneously.In wireless sensor network, except the minority node need move, most of node all is static, because it is normally operated in the human inaccessible abominable even dangerous remote environment, so the design available strategy prolongs the life cycle of network and efficiently utilizes the energy to become its main focus.The design principle of wireless sensor network low cost, highly redundant provides stronger fault-tolerant ability for whole system.The influence of ambient noise to systematic function eliminated in the close contact of the sensor node and the detection of a target greatly, and the real-time detection zone area coverage of uniting formation of multiple spot increases.There is energy constraint in wireless sensor network, reduce data quantity transmitted and can save energy effectively, therefore collecting the process of data, can utilize this locality calculating of node and the fusion of storage capacity deal with data from each node, remove redundant information, thereby reach the purpose of saving energy.Because the easy inefficacy of node, wireless sensor network also needs the data fusion technology that many piece of data are carried out comprehensively, improves the accuracy of information.Wireless sensor network is used for fields such as military affairs, commerce more, by using for reference the network security mechanism of art designs such as spread spectrum communication, access authentication/authentication, data watermark, data encryption, can eliminate that node is disposed at random, the unsteadiness of the dynamic of network topology and channel, effectively improve fail safe.
Lot of domestic and international research institution is studied the management means of wireless device network, but the wireless device that it adopted all is of the same type, and in the network that is made of polytype wireless senser equipment, this management means is with not competent.In wireless sensor network, the network that its wireless device is set up is dynamic change, and wireless device resources can add and withdraw from this network at any time, causes the difficulty of wireless device network management.Simultaneously, some malice or hostile tissue or personnel, in order to survey and destroy the wireless sensor network of having set up, at this moment operation principle that will the imitation wireless device and add the wireless monitor transducer must carry out identity to this wireless monitor transducer and differentiate.But in the wireless senser device network to the visit of equipment and data and unification of lack of control, dynamically, effective administrative mechanism, cause wireless sensor network to be difficult to management.If can provide unified pattern for the business that the user visits wireless device resources, and for the visit to wireless device resources provides interconnection and interflow, the collaborative work that a kind of scheduling scheme of dynamic high-efficiency just can realize resource and shares, so satisfy the user as required, the demand of transparent visit, combination and these device resources of use.
Summary of the invention
The objective of the invention is to lack problem, propose a kind of dynamic management device of heterogeneous wireless equipment at the dynamic management of isomery equipment in order to solve under the present wireless environment.
A kind of dynamic management device of heterogeneous wireless equipment comprises six parts: interface manager, scheduler handler, data processor, state supervisor, meta data manager and persistence manager.
Described interface manager is visited distributed heterogeneous wireless device for customer service unified access interface is provided, comprise that device access request interface, device access result return interface, data query interface, real time data interface, status poll interface and six kinds of interfaces of metadata query interface, customer service is initiated various requests by interface manager;
The device resource access request that described device access request interface is initiated customer service sends to scheduler handler; Described device access result returns the device resource visit result that interface returns scheduler handler and returns to customer service; The status query request that described status poll interface is initiated customer service is submitted to state supervisor and is received the status poll result who returns; The metadata query request that described metadata query interface is initiated customer service is submitted to meta data manager and is received the result who returns; The data query request that described data query interface is initiated customer service is submitted to data processor and is received the result who returns; The real time data that described real time data interface the is initiated customer service request of obtaining is submitted to data processor and is received the result who returns.
The device resource access request that described scheduler handler is initiated customer service is converted to the device access instruction at device resource, and mutual, the instruction execution result and the device resource visit result of this instruction managed, and handle the information that heterogeneous wireless equipment initiatively reports, device status data and real time data that heterogeneous wireless equipment is sent pass to data processor.
Described state supervisor is managed the current state and the historical state data of described dynamic management device and wireless device, current status data is according to the setting threshold regular update, historical state data is transferred to data processor and is preserved, the status query request that state supervisor response customer service is initiated.
Described meta data manager is managed the metadata of described dynamic management device and wireless device, and regular and data processor carries out synchronously, the metadata query request that the response customer service is initiated.
Described data processor is used for carrying out data interaction with scheduler handler, state supervisor and meta data manager, device status data that will receive from scheduler handler and real time data, the historical state data that receives from state supervisor and be saved in database or be saved on the file server with document form from the metadata that meta data manager receives, data query request and real time data that the response customer service is initiated are obtained request.
Described persistence manager is used for instructing with interface manager, scheduler handler, data mutual, with device resource access request, device access instruction and device resource visit result's internal storage data structure persistence.
Described dynamic management device also comprises memory manager, and memory manager is taked internal memory preassignment and reused mechanism, and is mutual with scheduler handler, data processor;
The request of transmitting between the each several part, device access instruction, status data, metadata and real time data all adopt consolidation form to define.
Described scheduler handler comprises instruction scheduler, the mutual device of equipment and automatic manifold, wherein, instruction scheduler is by instruction constructor, life cycle manager and results processor, and QoS manager, instruction queue scheduler, result queue's scheduler and load equalizer are formed the management of responsible device access instruction and the management of instruction queue; The mutual device of equipment comprises device access device, registration and state information receiver and real-time monitored data sink.
The device access device is used for sending the good access instruction of structure and receiving accordingly result to intended wireless device; Registration and state information receiver are responsible for receiving log-on message and the state information that heterogeneous wireless equipment sends; The real-time monitored data sink is responsible for the real-time monitored data;
Automatically manifold is responsible for the facility registration information that registration in the mutual device of treatment facility and state information receiver are received, carry out authentication, the real time data that reports that registration and the status data that receives of state information receiver and real-time monitored data sink are received is carried out integrality, security inspection simultaneously; And the status information of equipment that will check by checking and real time data are given data processor and are handled.
Advantage of the present invention and good effect are:
(1) visit for distributed heterogeneous wireless device provides unified access interface, make up the uniform resource management platform, feasible management to numerous distributed heterogeneous wireless devices becomes convenient, reduced simultaneously at the possibility that repeats to make up management devices without customer service, had good autgmentability.
(2) heterogeneous wireless equipment is carried out the identity legitimacy authentication when adding wireless sensor network, shielding malicious attack guarantees the standardization of access device and the fail safe of system.
(3) for providing the persistence to instruction and result's internal storage data structure, management platform reaches the service encapsulates that (reuse) reused in preassignment to memory headroom, avoided because the management platform operating state that unexpected situation causes is lost, solve the stability influence that a large amount of memory headrooms of frequent application bring, improved operating efficiency and access performance.
(4) adopt scheduling engine and queue management device.Scheduling engine not only to instructing the result of two-way scheduling to carry out QoS (Quality of Service, service quality) management, is mainly considered time delay and bandwidth two big factors here among the present invention; And the load balancing management of device resource is carried out in the restriction of the concurrent passage that the concurrency demand and the device resource of device resource visit can be set up according to the number of device resource, customer service.Realization is to the assurance of the QoS and the dispatching management scheduling result optimum of device resource access request.
(5) various wireless devices can add and withdraw from the system that is safeguarded by this device at any time, the fashionable authentication that provides is provided, and equipment can directly withdraw from when withdrawing from, and automatic disconnection connects in this device, discharge the resource taken, the operate as normal of this device is not exerted an influence.
Description of drawings
Fig. 1: the whole deployment diagram of heterogeneous wireless equipment access network;
Fig. 2: the structure chart of dynamic management device of the present invention;
Fig. 3: the interface manager sequential chart of dynamic management device of the present invention;
Fig. 4: the device resource access request format of dynamic management device of the present invention is described exemplary plot;
Fig. 5: the format description exemplary plot of the device resource visit return results of dynamic management device of the present invention;
Fig. 6: the format description exemplary plot of the status query request of dynamic management device of the present invention;
Fig. 7: the status poll result's of dynamic management device of the present invention format description exemplary plot;
Fig. 8: the format description exemplary plot of the interactive interface of dynamic management device of the present invention.
Wherein, among the figure:
The 1-interface manager; The 2-scheduler handler; The 3-data processor; The 4-state supervisor; The 5-meta data manager; The 6-memory manager; 7-persistence manager; 11-device access request interface; 12-device access result returns interface; 13-data query interface; 14-real time data interface; 15-status poll interface; 16-metadata query interface; The 21-instruction scheduler; The mutual device of 22-equipment; The automatic manifold of 23-; 211-instructs constructor; The 212-life cycle manager; The 213-results processor; The 214-QoS manager; 215-instruction queue scheduler; 216-result queue scheduler; The 217-load equalizer; 221-device access device; 222-registration and state information receiver; 223-real-time monitored data sink.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing and example.
As shown in Figure 1, a large amount of heterogeneous wireless equipments are connected to center acceptance point (being the base station) by wireless network, and the latter and wireless device resources management platform (hereinafter to be referred as platform) are joined.In this platform, heterogeneous wireless equipment dynamic management device of the present invention is in core position, user terminal business of initiating and the data that are pooled to the center acceptance point that it and the collaborative common point reason the Internet Internet of database server, Web server and file server come.
The dynamic management device of a kind of heterogeneous wireless equipment of the present invention as shown in Figure 2, comprises interface manager 1, scheduler handler 2, data processor 3, state supervisor 4, meta data manager 5, memory manager 6 and persistence manager 7.
The various interface that interface manager 1 management provides for customer service, these interfaces comprise: device access request interface 11, device access result return interface 12, data query interface 13, real time data interface 14, status poll interface 15 and metadata query interface 16.Device access request interface 11 is used for to scheduler handler 2 initiating equipment resource access request; The device access result returns interface 12 and is used for result to customer service Returning equipment resource access request correspondence; The data query request that data query interface 13 is initiated customer service is submitted to data processor 3 and is received return results; The real time data that real time data interface 14 the is initiated customer service request of obtaining is submitted to data processor 3 and is received corresponding real time data; The status query request that status poll interface 15 is initiated customer service is submitted to state supervisor 4 and is received return results; The metadata query request that metadata query interface 16 is initiated customer service is submitted to meta data manager 5 and is received return results.
The instruction interaction of 2 pairs of access means resources of scheduler handler, instruction execution result and device resource return results manage.Scheduler handler 2 comprises instruction scheduler 21, the mutual device 22 of equipment and automatic manifold 23.Instruction interaction is meant that mainly the mutual device 22 of the equipment in the scheduler handler 2 passes through the passage of establishment to wireless device transmitting apparatus access instruction.
The mutual device 22 of equipment comprises device access device 221, registration and state information receiver 222 and real-time monitored data sink 223 3 parts, the mutual device 22 of equipment by and wireless device between the passage set up carry out data interaction.Wherein device access device 221 is realized the function of device resource interactive interfaces, is responsible for sending the good access instruction of structure and receiving accordingly result to intended wireless device, and this result is in persistence manager 7 persistences deposit as a result the persistence pond in; Registration and state information receiver 222 are responsible for receiving log-on message and the state information that heterogeneous wireless equipment sends; Real-time monitored data sink 223 is responsible for the real-time monitored data.The facility registration information that registration in the automatic manifold 23 responsible mutual devices 22 of treatment facility and state information receiver 222 are received, carry out authentication, the reporting real-time observation data that registration and the status data that receives of state information receiver 222 and real-time monitored data sink 223 are received is carried out integrality, security inspection simultaneously; And the status information of equipment that will check by checking and real-time monitored data are given data processor 3 and are handled.
The current state and the historic state of the wireless device in state supervisor 4 management dynamic management devices of the present invention and the applied wireless sensor network of apparatus of the present invention.The current state of device and equipment is according to the setting threshold regular update, so that in time respond customer service; Historic state is then transferred to data processor 3 and is kept in the database.
The metadata of meta data manager 5 management management devices of the present invention and wireless device.Meta data manager 5 regularly and data processor 3 carry out synchronously.
Memory manager 6 is mutual with scheduler handler 2 and data processor 3, takes internal memory preassignment and reuses mechanism, eliminates the hidden danger that frequent application internal memory brings whole device stability.Memory manager 6 is scheduler handler 2 and the certain memory headroom of data processor 3 preassignment, and reuses this memory headroom as far as possible, avoids frequently dividing the overhead that new memory headroom causes; When providing the preassignment space for scheduler handler 2 and data processor 3, consider that the preassignment space makes waste minimum, if the expansion of preassignment space requirement, then guarantee between the number of times of expansion and the extending space than minimum.Memory manager is for all need use the module of big-and-middle-sized memory headroom that a kind of service of safe and efficient use preassignment memory pool is provided in the dynamic management device of the present invention.Give the stability of dynamic management device of the present invention and the comparatively serious negative effect that availability is brought when using this service module can be reduced in the internal memory reclaimer operation that carries out large space thus.
The dynamic management device of heterogeneous wireless equipment of the present invention can be realized following function: handle initiatively reporting information of heterogeneous wireless equipment; The professional device resource access request of initiating of process user; The professional status query request of initiating of process user; The professional device data query requests of initiating of process user; The professional real time data of initiating of process user is obtained request; The professional management platform metadata query request of initiating of process user.
Specify each function of the dynamic management device realization of heterogeneous wireless equipment of the present invention below:
Function 1: handle initiatively reporting information of heterogeneous wireless equipment:
Wireless device sends identity information to the mutual device 22 of equipment, the mutual device 22 of equipment receives identity information, the identity information of registered registration in this identity information and the dynamic management device is carried out consistency checking, identity information not by the checking situation under, refuse the wireless sensor network that this wireless device inserts dynamic management device of the present invention management; Identity information by the checking situation under, this wireless device inserts the wireless sensor network by dynamic management device management of the present invention;
After wireless device inserts, send the real-time monitored packet to real time data receiver 223, real time data receiver 223 is transferred to automatic manifold 23 with the real-time monitored packet of being received;
Automatically manifold 23 receives and resolves the real-time monitored packet, by resolving the head of this observation data bag, obtain data packet length and corresponding equipment sign, the data packet length that parses by contrast and the integrality of real data packet length verification msg packet length, by whether existing corresponding device and this equipment whether to register in the device identification inquiry unit of resolving gained, if the equipment that just has this to register in the complete and system of this data packet length, then explanation is by checking, and manifold 23 is transferred to data processor 3 with the real-time monitored packet automatically;
Automatically manifold 23 when not passing through checking after implementing observation data to wrap in parsing, abandons this real-time monitored packet.
Function 2: the professional device resource access request of initiating of process user:
Customer service is by device access request interface 11 transmitting apparatus resource access request data;
The device access instruction deposits in the instruction persistence pond through persistence manager 7 persistences; Instruction scheduler 21 according to current service quality QoS scheduling parameter to this device access instruction dispatch, and the instruction that will finish scheduling pushes in the instruction queue;
The result of device access instruction deposits persistence pond as a result in through persistence manager 7 persistences;
Result queue's scheduler 216 is dispatched according to the result of current QoS scheduling parameter to this device access instruction, and the result who finishes scheduling is pushed result queue;
Described QoS data owner will be considered time delay and two factors of bandwidth, and the time-delay of instruction is meant that the slave unit resource access request accepts to begin to count the time that device resource visit result is consumed between returning; Bandwidth refers to that mainly dynamic management device of the present invention is finished the quantity that the device resource request is responded, just Zhi Ling throughput in the unit interval; Bandwidth is high more, and customer service is actual, and to finish the flow of request also just big more.Guarantee that this bandwidth is in high level and becomes the QoS standard of weighing bandwidth.
The Optimization Model of described qos parameter mainly is the measurement to condition execution instruction that dynamic management device according to the present invention obtains in actual motion, the parameter of using in dispatching algorithm is revised and is adjusted, so that the better QoS level of whole acquisition.
Function 3: the professional status query request of initiating of process user:
Customer service is initiated the state information searching request by status poll interface 15 to state supervisor 4;
State supervisor 4 receives and resolves this request, parse device identifier and command adapted thereto, for example equipment work at present parameter instruction pmr is obtained in expression, whether corresponding device is in the state of operate as normal in the equipment state tabulation that inquiry is safeguarded according to device identifier, if be in normal operating conditions, state supervisor 4 adds " normally " sign with the state information of corresponding device in the equipment state tabulation, and the status poll result is returned to customer service with consolidation form; If be not in normal operating conditions, state supervisor 4 sends to data processor 3 with analysis result, data processor 3 according to this analysis result in database in the corresponding equipment state table, the time of finding out is that nearest bar state record returns to state supervisor 4, state supervisor 4 adds " not having response " sign with the state recording of receiving, and the status poll result is returned to customer service with consolidation form.
Function 4: the professional device data query requests of initiating of process user:
Customer service is initiated the data query request by data query interface 13 to data processor 3, data processor 3 receives the data query request, parsing obtains device identifier and relevant parameter, for example resolving the gained time promptly requires time of inquiring about, according to analysis result, database on the inquiry file server will be inquired about the gained result and return to customer service.
Function 5: the professional real time data of initiating of process user is obtained request:
Customer service sends real time data by real time data interface 14 to device data processor 3 and obtains request;
Function 6: the professional management platform metadata query request of initiating of process user:
Customer service sends the metadata query request by metadata query interface 16 to device metadata manager 5;
Described analysis result obtains corresponding identifier according to the query object difference, for example, will obtain this equipment mark symbol in the metadata of certain equipment of inquiry, the metadata of inquiry apparatus of the present invention then analysis result be exactly the identifier of this device.
Change into the corresponding equipment access instruction after the device resource access request that scheduler handler 2 receiving equipment resource access interfaces 11 in the dynamic management device of the present invention send, and should instruct and carry out persistence by persistence manager 7.Why carrying out persistence, is to cause losing of instruction in order to prevent owing to the accident collapse of dynamic management device.After obtaining device resource visit result, return interface 12 and will return to customer service to the result by the device access result.As shown in Figure 3, device resource access interface 11 and device access result return the sequential of interface 12, specifically describe as follows:
When device access request interface 11 receives device resource access request from customer service, at first persistence is carried out in request.Persistence manager 7 can become the request of persistence the persistence sign of an overall situation and return to device access request interface 11, device access request interface 11 is this persistence sign notification instruction scheduler 21 then, and instruction scheduler 21 is taken out this request and begun to carry out actual access by 221 pairs of device resources of device access device and obtain device resource and visit the result from persistence manager 7.After device resource visit result sent to instruction scheduler 21, at first with this persistence as a result, the persistence that persistence manager 7 can become the result of persistence an overall situation identified and returns to instruction scheduler 21 to instruction scheduler 21.Instruction scheduler 21 should identify advise fate processor 213, results processor 213 obtains this result according to this sign from persistence manager 7 then, and send this result to the device access result and return interface 12, the device access result returns interface 12 this result is turned back to customer service.
Dynamic management device of the present invention, the data of transmitting between each several part all are to adopt consolidation form to define description, such as adopting the XML format description, also can adopt JSON (JavaScript Object Notation) or other user-defined format.Be that the XML that the embodiment of the invention adopts defines several examples of describing below.
Described device resource access request is designated Instruction, the example that the XML that uses as Fig. 4 describes, and its structure comprises:
1. GUID, attribute-bit is Instruction ID: it is a general unique identifier UUID (Universally Unique Identifier);
2. the feature list of required use, attribute-bit: FunctionList: it is an elongated structure, can expand, and all having defined function title and relevant parameter in each expansion;
3. need the apparatus operating identifier, attribute-bit: DeviceID: it is made up of numeral and English alphabet, and the overall situation is unique;
4. operator, attribute-bit: Operation: it needs the communication control procedure requirement in the compliance with system, such as: TRF represents transfer files, and TRB represents transmission data block;
5. operating parameter tabulation, attribute-bit: Indice: it is an elongated structure, can expand, order is corresponding with the concrete operations symbol;
6. if operate the unsuccessful then number of times of retry, attribute-bit: RedoTime: it only is made up of numeral;
7. the time of each retry operation, attribute-bit: RedoDuration: it only is made up of numeral, and unit is second;
8. operate the maximum delay from beginning to finish, attribute-bit: TimeOut: it only is made up of numeral, and unit is second;
9. the process interface of request return results, attribute-bit: ResponseDescription: it is by [IP]: [port] form is formed.
Described device resource visit result is designated Response, the example that the XML that uses as Fig. 5 describes, and its structure comprises:
1. corresponding device access request, attribute-bit: InstructionID: refer to this visit access request GUID of correspondence as a result, it is a UUID;
2. whether this result successfully returns, attribute-bit: GetResult: have only two kinds of values of true and false, and case sensitive;
3. the content of return results, attribute-bit: Result: if this result does not successfully return, just this moment GetResult value be false, then this value be a sky;
4. the state description of return results, attribute-bit: Description: OK (success), RUNNING (carrying out), FAILED states such as (failures) are arranged.
Described status query request is designated StateInquire, and as the example that the XML of Fig. 6 describes, its structure comprises:
1. whether inquire about whole states, attribute-bit: Entire: have only two kinds of values of true and false, case sensitive;
2. the name list of the state of this status query request, attribute-bit: StateInfoList: it is an elongated structure, can expand, and has defined the Status Name that will inquire about in its daughter element, the attribute-bit of Status Name: StateName.
Described status poll result is designated StateEcho, and as the example that the XML of Fig. 7 describes, its structure comprises:
1. the results list of status poll result, attribute-bit: Entire: it is an elongated structure, can expand, defined Status Name (attribute-bit: in its daughter element StateName) with corresponding states the results list (attribute-bit: StateList), wherein the corresponding states result also is elongated structure, its daughter element (attribute-bit: State) write down concrete status poll result;
2. the query State when status poll is finished, attribute-bit: Message: if the inquiry failure then can obtain failure cause from this attribute; If successful inquiring then this property value is empty.
1. form the separator between the instruction set unit in the instruction set, attribute-bit: Appendix: be used to separate instruction set unit;
2. the title of the instruction component units of result set correspondence, attribute-bit: Name;
3. whether result set is finite aggregate, attribute-bit: Restricted: have only two kinds of values of true and false, and case sensitive;
4. the tabulation of the enumerated value in the result set, attribute-bit: ValueList: it is an elongated structure, can expand, its daughter element Value has described each enumerated value;
Wherein, the attribute-bit of instruction set is InstructionSet; The attribute-bit of result set is ValueSet.
Claims (10)
1. the dynamic management device of a heterogeneous wireless equipment is characterized in that, this dynamic management device comprises six parts: interface manager, scheduler handler, data processor, state supervisor, meta data manager and persistence manager;
Interface manager is visited distributed heterogeneous wireless device for customer service unified access interface is provided, and comprises that device access request interface, device access result return interface, status poll interface, metadata query interface, data query interface and six kinds of interfaces of real time data interface:
The device resource access request that the device access request interface is initiated customer service sends to scheduler handler;
The device access result returns the device resource visit result that interface returns scheduler handler and returns to customer service;
The status query request that the status poll interface is initiated customer service is submitted to state supervisor and is received the status poll result who returns;
The metadata query request that the metadata query interface is initiated customer service is submitted to meta data manager and is received the result who returns;
The data query request that the data query interface is initiated customer service is submitted to data processor and is received the result who returns;
The real time data that the real time data interface the is initiated customer service request of obtaining is submitted to data processor and is received the result who returns;
The device resource access request that scheduler handler is initiated customer service is converted to the device access instruction at device resource, and mutual, the instruction execution result and the device resource visit result of this instruction managed, and handle the information that heterogeneous wireless equipment initiatively reports, device status data and real time data that heterogeneous wireless equipment is sent pass to data processor;
State supervisor is managed the current state and the historical state data of described dynamic management device and wireless device, current status data is according to the setting threshold regular update, historical state data is transferred to data processor and is preserved, the status query request that state supervisor response customer service is initiated;
Meta data manager is managed the metadata of described dynamic management device and wireless device, and regular and data processor carries out synchronously, the metadata query request that the response customer service is initiated;
Data processor is used for carrying out data interaction with scheduler handler, state supervisor and meta data manager, device status data that will receive from scheduler handler and real time data, the historical state data that receives from state supervisor and be saved in database or be saved on the file server with document form from the metadata that meta data manager receives, data query request and real time data that the response customer service is initiated are obtained request;
The persistence manager is used for instructing with interface manager, scheduler handler, data mutual, with device resource access request, device access instruction and device resource visit result's internal storage data structure persistence;
The request of transmitting between the each several part, device access instruction, status data, metadata and real time data all adopt consolidation form to define.
2. the dynamic management device of a kind of heterogeneous wireless equipment according to claim 1, it is characterized in that described dynamic management device also comprises memory manager, described memory manager is scheduler handler and data processor preassignment memory headroom, and this memory headroom is adopted the mechanism of reusing.
3. the dynamic management device of a kind of heterogeneous wireless equipment according to claim 1 is characterized in that, described device resource access request adopts the XML format description, and its structure comprises as follows:
GUID Instruction ID; The feature list FunctionList of required use is that an elongated structure has all defined function title and relevant parameter in each expansion item; Need apparatus operating identifier DeviceID; Operator Operation; Operating parameter tabulation Indice is an elongated structure, and order is corresponding with the concrete operations symbol; If the unsuccessful then number of times RedoTime of retry of operation; The time RedoDuration of each retry operation; The maximum delay TimeOut of operation from beginning to finish; The process interface ResponseDescription of request return results, by [IP]: [port] form is formed.
4. the dynamic management device of a kind of heterogeneous wireless equipment according to claim 1 is characterized in that, described device resource visit result adopts the XML format description, and its structure comprises as follows:
Corresponding device access request InstructionID; Whether this result successfully returns GetResult, has only two kinds of values of true and false; The content Result of return results, if this result does not successfully return, then this value is empty; The state description Description of return results.
5. the dynamic management device of a kind of heterogeneous wireless equipment according to claim 1 is characterized in that, described status query request adopts the XML format description, and its structure comprises as follows:
Whether inquire about whole state Entire, have only two kinds of values of true and false; The name list StateInfoList of the state of this status query request is an elongated structure, has defined the Status Name StateName that will inquire about in its daughter element.
6. the dynamic management device of a kind of heterogeneous wireless equipment according to claim 1 is characterized in that, described status poll result adopts the XML format description, and its structure comprises as follows:
The results list Entire of status poll result, it is an elongated structure, Status Name StateName and corresponding states the results list StateList have been defined in its daughter element, wherein, corresponding states the results list also is elongated structure, and the daughter element State of corresponding states the results list has write down concrete status poll result; Query State Message when status poll is finished, if inquiry failure then can obtain failure cause from this attribute, if successful inquiring then this property value be sky.
7. the dynamic management device of a kind of heterogeneous wireless equipment according to claim 1 is characterized in that, described scheduler handler comprises instruction scheduler, the mutual device of equipment and automatic manifold;
Instruction scheduler is responsible for the management of device access instruction and the management of instruction queue, and the device access instruction is passed to the device access device, and the device resource that the receiving equipment accessor returns is visited the result;
The mutual device of equipment comprises device access device, registration and state information receiver and real-time monitored data sink, wherein, the device access device sends to intended wireless device with the device access instruction, receive accordingly result from wireless device and send to instruction scheduler, this result deposits persistence pond as a result in through persistence manager persistence; Registration and state information receiver are responsible for receiving facility registration information and the status data that heterogeneous wireless equipment sends, and send to automatic manifold; The real-time monitored data sink is responsible for the real-time monitored data, and the real time data of observation is sent to automatic manifold;
Automatically manifold is used to handle the facility registration information of reception, carries out authentication, simultaneously the status data and the real time data that receive is carried out integrality, security inspection; And the status information of equipment that will check by checking and real time data are given data processor and are handled.
8. the dynamic management device of a kind of heterogeneous wireless equipment according to claim 7, it is characterized in that, described instruction scheduler comprises instruction constructor, life cycle manager and results processor, and QoS manager, instruction queue scheduler, result queue's scheduler and load equalizer;
The instruction constructor instructs the device access that the device resource access request is converted at device resource, and this device access instruction deposits in the instruction persistence pond through persistence manager persistence;
The instruction queue scheduler adds this device access instruction instruction queue and is inserted into the corresponding position of instruction queue;
The device access that load equalizer constantly will be finished scheduling instructs out team, and the wireless device that points to according to the device access instruction is assigned in the passage of each wireless device correspondence, guarantees that the passage of each wireless device is all operated at full capacity as far as possible;
Result queue's scheduler is carried out the device resource visit result who obtains according to current QoS scheduling parameter to this device access instruction and is dispatched, and the result who finishes scheduling is pushed result queue;
Results processor is used for the result is gone out team, from the persistence manager, obtain this result, according to this as a result the desired expansion service mode of corresponding equipment resource access request this result is handled, the visit of the device resource after handling result is returned interface by the device access result returns to customer service; With the QoS data notification QoS manager of measuring in the pairing device resource access request of device resource visit result after handling;
The QoS manager is optimized the QoS scheduling parameter according to the Optimization Model of qos parameter;
Life cycle manager is in charge of the relation between persistence instruction and the persistence result, when the persistence instruction exists and persistence result when not existing, needs to instruct to add scheduler handler again and carry out.
9. the dynamic management device of a kind of heterogeneous wireless equipment according to claim 7, it is characterized in that, described device access device, adopt the XML format description, unite description by the sequential list ItemList of the element of two tabulation instruction set in forming and the enumerated value in the result set ValueList that tabulates, its structure comprises as follows:
The sequential list ItemList of the element during instruction set is formed is an elongated structure, and its daughter element Item has described the title of forming the unit of instruction; Form the separator Appendix between the instruction set unit in the instruction set, be used to separate instruction set unit; The title Name of the instruction component units of result set correspondence; Whether result set is finite aggregate Restricted, has only two kinds of values of true and false; Enumerated value tabulation ValueList in the result set, it is an elongated structure, its daughter element Value has described each enumerated value.
10. according to the dynamic management device of the described a kind of heterogeneous wireless equipment of claim 1, it is characterized in that the consolidation form that described transmission instruction, data all adopt, be meant and adopt the XML format description, perhaps adopt JSON to describe, wherein, XML is an extend markup language.
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