CN100561516C - Network gridding service system of national geolopy spatial data - Google Patents
Network gridding service system of national geolopy spatial data Download PDFInfo
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Abstract
The present invention relates to a kind of network gridding service system of national geolopy spatial data, its structure comprises: spatial data is found unit, asynchronous call unit, Load Balance Unit, fault-tolerant unit, compression transmission and safe transmission unit, safety demonstration and user right unit, dynamic monitoring unit.Spatial data finds that the unit is divided into the node container and uses the door container, classify data message and call respectively in the asynchronous call unit, Load Balance Unit is transferred to data processing on the multiple servers and is born jointly, the life cycle of fault-tolerant Single Component Management Web service, the compression transmission is used to reduce the Network Transmission flow and improves transfer efficiency with the safe transmission unit, safety demonstration and user right unit are used to establish the user identity authority, and the dynamic monitoring element analysis is monitored the running status of each server.The advantage of this system is: can compile and share the geographical spatial data resource and the collaborative several data of finishing that distribute of going up and handle request.
Description
Technical field
The present invention relates to the geologic examination field, especially relate to a kind of network gridding service system of national geolopy spatial data.
Background technology
For a long time, China has spent a large amount of financial resources and has obtained various underground, the resource data on ground and information, accumulated the digitizing space information resource of considerable scale, according to initial estimate, the about 1250GB of the digitized basic geological space information of China, 40% having finished and built and dropped into the independent operating service wherein, and formed the independent data collection, overall treatment, service standard series, but, deposit because the space in the spatial database separates with attribute data, operation is isolated, thereby has brought inconvenience to application, even zero dimension data, also be to adopt toy data base system such as ACCESS, DBASE etc. deposit, and do not have the characteristics of distributed data base, in addition, present database by piecemeal is distributed in the different collection main body hands, and the form difference is shared difficulty, can't realize the shared of all data resources and bring into play due effect, also can't safeguard effectively the spatial data information of having set up.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of network gridding service system of national geolopy spatial data is provided, this system can compile and share geographical spatial data resource, computational resource and the storage resources that distributes of going up, with the collaborative request of finishing several data and processing, thereby realize that a data message can the free-pouring geological space information service system of public service towards the society.
Network gridding service system of national geolopy spatial data of the present invention is divided into spatial data and finds unit, asynchronous call unit, Load Balance Unit, fault-tolerant unit, compression transmission and safe transmission unit, safety demonstration and user right unit and dynamic monitoring unit.
Described spatial data finds that the unit is divided into two parts: be positioned at the node container of a plurality of node ends and be positioned at the application door container of using the door end, wherein, node is meant that the server that participates in deal with data provides shared data and software with it.Described node container is used for safeguarding two parts spatial data information: basic data log-on message and data resource log-on message that dynamically produce in SPATIAL CALCULATION or analytic process and its result of needs preservation.
Described asynchronous call unit is the server of a loading data process software, when using door when a plurality of nodes send the request of deal with data simultaneously, at first, classify request of data information in this unit by node, utilize asynchronous invoking method to send request of data information simultaneously to these nodes respectively then, call the correlation space information of these nodes, here, described asynchronous call is meant that program returns immediately after being called, so that carry out other operation simultaneously, thereby a plurality of operations of independent processing simultaneously of assurance program are to raise the efficiency, and wherein, each node all has pair maximum duration of data processing again, this time value can dynamically be set, when surpassing this limiting time, use door and think that automatically this node request of data is wrong, stop request.In addition, when each node is assigned a plurality of request of data, if certain request of data can't correctly be handled, at this moment, this asynchronous call unit will return an error message (null value), but not influence other function services of dealing with the work.
The bottleneck problem that the equipment that Load Balance Unit of the present invention is used to solve the node outlet may occur with the increase of the processing of data and calculating strength, this unit is transferred to the work of treatment of data on the multiple servers of fire wall inside and is born jointly, thereby utilized the computing power of inter-node substantially, and solved the required fast processing requirement of spatial data service well.This Load Balance Unit comprises: property acquisition module, performance parameter information storehouse, load-balancing information storehouse and load balancing control module.Wherein, described property acquisition module is moved in server background with the form of Windows service, from server, obtained in per four seconds in information such as corresponding C PU, internal memory, network utilization and the write performance parameter information storehouse, simultaneously, carry out weights calculating according to the performance parameter in nearest tens seconds, obtain the average behavior utilization factor weights of this server during this period of time, the IP address together with this server writes in the load-balancing information storehouse in the lump again, or carries out the renewal of weights; Described performance parameter information storehouse is the information table of CPU, internal memory, the collection moment, server ip address and the network utilization of its place server of record; Described load-balancing information storehouse is deployed on certain station server of inter-node, that write down is the nearest tens seconds CPU of Servers-all, internal memory, the weights of network utilization: described load balancing control module comprises the information of safeguarding in the load-balancing information storehouse, make node dynamically increase or delete under the situation of some function server or change network configuration, information in the proof load equalization information storehouse is correctly upgraded and is safeguarded, the steps include: to read the recessed of load-balancing information library information, in network, go to test the whether normally operation of this server, if repeatedly the follow-on test result all can't pass through, represent that then this server withdraws from the load balancing system, then, jump and remove this IP value: for the increase of server, information do as one likes in the information bank can be added by collector automatically: the IP for server changes, then delete former IP value earlier, then, increase new IP value again.
Fault-tolerant unit of the present invention adopts the server of load software programming, starts the effective management to the Web service life cycle, if processing is finished in Web service in official hour, then finishes life cycle automatically, if can't finish, then forces to finish life cycle.This fault-tolerant unit can improve the response speed of a plurality of node spatial datas of request greatly, and, when the data that certain node occurs have problem, can not influence the correct processing of other node data yet.
Compression transmission of the present invention and safe transmission unit adopt ripe compression algorithm load software to be programmed in the server, its compress mode comprises File Compress and the compression of spatial information stream, has the function that reduces the Network Transmission flow and improve transfer efficiency simultaneously, and the encryption and decryption means of transmitting data are provided, to guarantee the security of data in network transmission process.In addition,, can carry out decompress(ion), deciphering to the data of transmission in this unit, guarantee the data correctness of reception, and this compression transmission and safe transmission unit also load CA certificate to guarantee safety of data transmission as the user or after using door acquisition data.
Safety demonstration of the present invention and user right unit comprise: subscriber information management module, user role distribution module and authenticating user identification module.Here, described role is meant the delineation of power when being used to control the user operates system: function is meant that system is provided for realizing the one or several functions of distributed management information, as: the mineral distribution of search specified coordinate point or rock gas are to information such as cloth: data source is meant the data area information that the realization into certain function needs, as: during information such as distribution of search mineral or rock gas, need to specify a geographic coverage (that is: data source).The subscriber information management module of this unit comprises the establishment and the attended operation of subscriber data; The user role distribution module is that the user who will create carries out role assignments according to user class, makes the user have different access authorizations; The authenticating user identification module is meant that when logging in system by user to user's identity, the role and the access rights that are had are verified, guarantee user's legal use.
Dynamic monitoring of the present invention unit is the server with monitoring analysis software, this unit reads hard disk, internal memory, CPU and the network traffic information of each server of inter-node in load-balancing information storehouse in the Load Balance Unit in real time, collect in the lump then, and reflect the historical data state by histogram, broken line graph, pie chart form, and the running status of each server of analysis monitoring, in addition, the network state of inter-node is also safeguarded in this dynamic monitoring unit, to guarantee making node be in normal operating condition.
Network gridding service system of national geolopy spatial data of the present invention has the following advantages: 1. interoperability, allow data seamless transmission between different generalized information systems, application in application system can be called the application in the Another application system, thus unified task on the completion logic; 2. extensibility, the architecture of system is flexible, can adapt to the application of various different types of structure; 3. distributed nature comprises DATA DISTRIBUTION and service distribution; 4. the data discovery mechanism of many nodes is registered container provides data for the data message service quick location by distributed spatial data; 5. good interactivity, to Internet spatial data demands of applications, the permission validated user upgrades existing spatial data and abridges as the user; 6. the security of system has guaranteed the security of data transmission procedure by CA certificate mechanism and compress-encrypt mechanism, and has guaranteed the legitimacy of user accesses data by the user authority management mechanism of system; 7. easily dispose and ease of manageability, system is easy to dispose and management, and this is one of key factor that effectively reduces system operation cost.
Description of drawings
With embodiment network gridding service system of national geolopy spatial data of the present invention is described in further detail with reference to the accompanying drawings.
Fig. 1 is the structural drawing that spatial data of the present invention is found node container in the unit;
Fig. 2 is the structural drawing that spatial data of the present invention finds to use in the unit door container;
Fig. 3 is the structural drawing of Load Balance Unit of the present invention;
Fig. 4 is the structural drawing of safety demonstration of the present invention and user right unit;
Fig. 5 is dynamic monitoring cellular construction figure of the present invention;
Fig. 6 is a general structure graph of a relation of the present invention;
Embodiment
Spatial data shown in Figure 1 finds that the node container in the unit comprises: data log-on message memory module, component accesses layer, data integrated Organization And Management module, node data registered information managing platform, service interface and geological spatial data storehouse.Described data log-on message memory module comprises: basic data log-on message storehouse and ephemeral data resource registering information bank, wherein, Spatial Data Model (geographical data bank model) tissue is learned according to third generation ground in basic data log-on message storehouse, and puts in storage by data integrated Organization And Management module according to the describing mode of data qualification system; In ephemeral data resource registering information bank is the data resource log-on message that dynamically produces and need its result of preservation.Meanwhile, the data log-on message is registered in the basic data log-on message storehouse, registration process is operated by unified component accesses layer.Described log-on message comprises: the control of authority in the user name of log-on message key word, NameSpace, data name, visit data, the password of visit data, data parent name, data type and the system.Wherein, NameSpace adopts the principle record data feature of basic data classification.
Described access component layer comprises the log-on message description scheme view that has encapsulated of exercisable calling interface and safety, and wherein, described log-on message description scheme view comprises: log-on message name, engineer's scale, special topic and data description.This access component layer is realized the accessing operation to log-on message, and the coordination between data organization and the management function is merged security in component accesses control simultaneously.
Described node data registered information managing platform comprises increases module, modified module, removing module, browse spatial data log-on message module, and wherein, increase module and adopt dual mode: increase and individual data increase in batches.This management platform makes the user according to the classification of Data situation information be write in the database, thereby the function of management spatial data log-on message is provided.
Described service interface adopts the NameSpace mode to describe, and with obtaining the data key words tabulation that satisfies condition, returns to requesting users, the data log-on message that the user can satisfy condition by search according to this interface.The describing mode of described NameSpace is: one-level classification _ secondary classification _ reclassify _ engineer's scale _ data log-on message name, wherein, the principle of basic data classification is adopted in classification.
Shown in Figure 2 is that spatial data is found the application door container in the unit, its structure comprises: data log-on message memory module, component accesses layer, data registered information managing platform and service interface, wherein, data log-on message memory module comprises: basic data log-on message storehouse and ephemeral data resource registering information bank, it stores the copy of the corresponding log-on message of all nodes respectively, the corresponding content of described log-on message content in comprising the node container, also comprise the description of node title and IP address.
Similar to the component accesses layer of node container, the component accesses layer of using door provides the API of sequence of operations basic data log-on message storehouse and ephemeral data resource registering information bank structure, these interfaces are unified the description for above-mentioned two information banks, are distinguished by identifier.Operating process comprises retrieval, increase, deletion, modification of log-on message etc.;
Described data registered information managing platform provides User Interface, and all node data log-on message copies are safeguarded that its function comprises increase, revises, deletes, browses the spatial data log-on message, and way to manage is similar to the node container.
In addition, use the door container service interface also is provided, it adopts the classified description mode of NameSpace to carry out, and finds that when application service system the data that need, just can be directly to these nodes transmission request of data after on which node.
Shown in Figure 3 is the Load Balance Unit structure of network gridding service system of national geolopy spatial data, and as seen from the figure, this unit comprises: property acquisition module, performance parameter information storehouse, load balancing control module and load-balancing information storehouse.Described property acquisition module was obtained corresponding C PU in per four seconds from server, internal memory, information such as network utilization, simultaneously according to the performance parameter in nearest tens seconds, carrying out weights calculates, obtain the average behavior utilization factor weights of this server during this period of time, together with the IP address of this server write performance parameter information storehouse in the lump, or carry out the renewal of weights, then, the load balancing control module begins the change situation that letter is suffered from the dynamic monitoring load-balancing information storehouse, in time to adjust, thereby the result of dynamic equalization service call mistake can not appear causing in assurance, when practical operation, whether normally the IP that the load balancing control module reads the load-balancing information library information goes to test the operation of this server in network, if repeatedly being communicated with billows examination knot result all can't pass through, represent that then this server withdraws from the load balancing system, delete this IP value: for the increase of server, the information do as one likes in the information bank can be added by acquisition module automatically; If the IP of server changes, then delete former IP value earlier, increase new IP value again.
Safety demonstration shown in Figure 4 and user right unit comprise: the subscriber information management module, user role distribution module and authenticating user identification module, wherein, the subscriber information management module comprises the establishment and the attended operation of subscriber data: the user role distribution module is that the user who will create injects capable role assignments according to user class, make the user have different access authorizations: the authenticating user identification module is meant when logging in system by user the identity to the user, the role and the access rights that are had are verified, guarantee user's legal use.In practical operation, the configuration of employing distributed network security, Web server and data processing server etc. all are placed in the address investigation information private, and fire wall is installed at each network segment, aspect security configuration, then adopt the following practice, as: physical security, cut off the Guest account number, limit unnecessary number of users, create 2 keepers and use account number, system's administrator account number is renamed, create a trap account number, the authority of shared file is made into " authorized user " from " everyone " group, password safe in utilization, use NTFS form subregion, open security audit, set the access rights of safety record, forbid setting up empty the connection.In addition, this unit also adopts the X.509 digital certificate of version, dispose the server of a certification authority, the applied certificate of server of each Web Service load balance all comes from this certification authority, the Web Service here provides an API that can allow external program call by Web (interface), and the method for the enough programmings of energy is called the application program that realizes certain function by Web.In addition, load certs and SSL (Secure Socket Layer (SSL)) checking on the website of Web Service server, on other call the server of WebService, identical credentials is installed, so just finished the safety verification of two nodes, if calling program operates on the server that does not have certificate, can't obtain data, when guaranteeing data transmission procedure safety, also prevent usurping of Web Service.
Dynamic monitoring unit shown in Figure 5 reads hard disk, internal memory, CPU and the network traffic information of each server of inter-node in load-balancing information storehouse in the Load Balance Unit in real time, collect in the lump then, and reflect the historical data state by histogram, broken line graph, pie chart form, and the running status of each server of analysis monitoring, in addition, the network state of inter-node is also safeguarded in this dynamic monitoring unit, to guarantee making node be in normal operating condition.
Fig. 6 is the general structure graph of a relation of network gridding service system of national geolopy spatial data of the present invention, as seen from the figure, the user logins and finds that to spatial data the unit sends one or more request of data, simultaneously, safety demonstration and user right unit will carry out safety verification to user's authority, if be proved to be successful, the asynchronous call unit will independently call the allocation space data simultaneously respectively according to one or more requests that the user proposes and find that the database information of unit is to Load Balance Unit, then, load-balancing information storehouse in the Load Balance Unit will be distributed corresponding request of data and it will be carried out actual treatment, if handle correct, to with the safe transmission unit correct result be returned to the user by the compression transmission, if in the process of handling, mistake occurs, then fault-tolerant information is returned to the user by fault-tolerant unit, and guarantee that some the request of data mistake that occurs can not have influence on other request of data state in transmittance process, and, data message is when returning to website or user, can be according to the actual needs, the compression algorithm of utilizing ready-made maturation is with data compression, encrypt, compress mode comprises the compression of spatial information stream and the compression of file, ciphering process is in order to strengthen the security of data in network transmission process, at last, the user carries out decompress(ion) by the compression transmission with the safe transmission unit, deciphering just can obtain the data of being asked.
Above-described only is preferred implementation of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the principle of the invention, can also make some modification and improvement, these also should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a network gridding service system of national geolopy spatial data is characterized in that comprising: spatial data discovery unit, asynchronous call unit, Load Balance Unit, fault-tolerant unit, compression transmission and safe transmission unit, safety demonstration and user right unit and dynamic monitoring unit;
Described spatial data finds that the unit is used to receive one or more request of data of user;
Described safety demonstration and user right unit will carry out safety verification to user's authority;
Described asynchronous call unit will independently call the allocation space data simultaneously respectively according to one or more request of data that the user proposes and find that the database information of unit is to described Load Balance Unit;
Described Load Balance Unit will distribute corresponding request of data and it will be carried out actual treatment;
If handle correctly, will correct result be returned to the user by described compression transmission and safe transmission unit;
If in the process of handling, mistake occurs, then fault-tolerant information returned to the user by described fault-tolerant unit;
Described dynamic monitoring unit is used for monitoring and analyzes Load Balance Unit.
2. network gridding service system of national geolopy spatial data as claimed in claim 1, it is characterized in that: described spatial data finds that the unit is divided into the node container that is positioned at a plurality of node ends and is positioned at the application door container of using the door end, wherein, described node container comprises data log-on message memory module, component accesses layer, data integrated Organization And Management module, node data registered information managing platform, service interface and geological spatial data storehouse; Described application door container comprises data log-on message memory module, component accesses layer, data registered information managing platform and service interface.
3. network gridding service system of national geolopy spatial data as claimed in claim 1, it is characterized in that: described asynchronous call unit is the server of a loading asynchronous call data processing software, it is classified request of data information by node, send request of data information simultaneously to these nodes respectively then, call the correlation space information of these nodes.
4. network gridding service system of national geolopy spatial data as claimed in claim 1 is characterized in that: described Load Balance Unit comprises property acquisition module, performance parameter information storehouse, load-balancing information storehouse and load balancing control module.
5. network gridding service system of national geolopy spatial data as claimed in claim 1 is characterized in that: described fault-tolerant unit adopts the server of load software programming, the life cycle of management Web service.
6. network gridding service system of national geolopy spatial data as claimed in claim 1, it is characterized in that: described compression transmission and safe transmission unit adopt ripe compression algorithm load software to be programmed in the server, its compress mode comprises File Compress and the compression of spatial information stream, and provide the encryption and decryption means of transmitting data, and load CA certificate to guarantee safety of data transmission.
7. network gridding service system of national geolopy spatial data as claimed in claim 1 is characterized in that: described safety demonstration and user right unit comprise the subscriber information management module, user role distribution module and authenticating user identification module.
8. network gridding service system of national geolopy spatial data as claimed in claim 1, it is characterized in that: described dynamic monitoring unit is for loading the server of monitoring analysis software program, described dynamic monitoring unit reads hard disk, internal memory, CPU and the network traffic information of each server of inter-node in load-balancing information storehouse in the Load Balance Unit in real time, collect in the lump then, and reflect the historical data state by histogram, broken line graph, pie chart form, the running status of each server of analysis monitoring, the while is also safeguarded the network state of inter-node.
9. network gridding service system of national geolopy spatial data as claimed in claim 2 is characterized in that:
The data log-on message memory module of described node container comprises basic data log-on message storehouse and ephemeral data resource registering information bank, wherein, described log-on message is the user name of log-on message key word, NameSpace, data name, visit data, the interior control of authority of password, data parent name, data type and system of visit data, the describing mode of described NameSpace is: one-level classification _ secondary classification _ reclassify _ engineer's scale _ data log-on message name, and the principle of basic data classification is adopted in the classification here;
The component accesses layer of described node container comprises the log-on message description scheme view that exercisable calling interface and safety have encapsulated, and wherein, described log-on message description scheme view comprises log-on message name, engineer's scale, special topic and data description;
Described node data registered information managing platform comprises increases module, modified module, removing module, browse spatial data log-on message module;
The service interface of described node container adopts the NameSpace mode to describe, and with obtaining the data key words tabulation that satisfies condition, returns to requesting users, the data log-on message that the user satisfies condition according to the service interface search of described node container;
The data log-on message memory module of described application door container comprises: basic data log-on message storehouse and ephemeral data resource registering information bank, store the copy of the corresponding log-on message of all nodes respectively, the corresponding content of described log-on message content in comprising the node container, also comprise the description of node title and IP address;
The component accesses layer of described application door container provides the API of sequence of operations basic data log-on message storehouse and ephemeral data resource registering information bank structure, these interfaces are unified the description for above-mentioned two information banks, are distinguished by identifier;
The data registered information managing platform of described application door container provides User Interface, and all node data log-on message copies are safeguarded that its function comprises increase, revises, deletes, browses the spatial data log-on message;
The service interface of described application door container adopts the classified description mode of NameSpace to carry out, and finds that when application service system the data that need, just can be directly to these nodes transmission request of data after on which node.
10. network gridding service system of national geolopy spatial data as claimed in claim 4 is characterized in that:
Described property acquisition module is moved in server background with the form of Windows service, obtained corresponding C PU, internal memory, network utilization information and the write performance parameter information storehouse from server in per four seconds, simultaneously, carry out weights calculating according to the performance parameter in nearest tens seconds, obtain the average behavior utilization factor weights of this server during this period of time, IP address together with this server writes in the load-balancing information storehouse in the lump again, or carries out the renewal of weights;
Described performance parameter information storehouse is the information table of CPU, internal memory, the collection moment, server ip address and the network utilization of its place server of record;
Described load-balancing information storehouse is deployed on certain station server of inter-node, record be nearest tens seconds CPU, the internal memory of Servers-all, the weights of network utilization;
Described load balancing control module comprises the information of safeguarding in the load-balancing information storehouse, makes node dynamically increase or delete under the situation of some function server or change network configuration, and the information in the proof load equalization information storehouse is correctly upgraded and safeguarded.
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| CN107748568A (en) * | 2017-12-07 | 2018-03-02 | 智灵飞（北京）科技有限公司 | A kind of unmanned aerial vehicle manipulation control system and control method |
| CN111835700B (en) * | 2019-12-04 | 2022-07-22 | 北京嘀嘀无限科技发展有限公司 | Data processing method and device, electronic equipment and storage medium |
| CN111432012A (en) * | 2020-03-30 | 2020-07-17 | 浙江每日互动网络科技股份有限公司 | Asynchronous communication method, device, system, terminal and computer readable storage medium |
| CN117407042B (en) * | 2023-11-01 | 2024-04-05 | 广州国测规划信息技术有限公司 | Extension design method and system for homeland space basic information platform |
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| SPATIAL INFORMATION GRID AND ITS APPLICATIONINGEOLOGICAL SURVEY. K.T.He,et al.ISPRS Workshop on Service and Application of Spatial Data Infrastructure,Vol.36 . 2005 |
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