CN103795793A - Road vehicle monitoring platform system based on double server clusters - Google Patents
Road vehicle monitoring platform system based on double server clusters Download PDFInfo
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- CN103795793A CN103795793A CN201410031286.XA CN201410031286A CN103795793A CN 103795793 A CN103795793 A CN 103795793A CN 201410031286 A CN201410031286 A CN 201410031286A CN 103795793 A CN103795793 A CN 103795793A
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Abstract
The invention discloses a road vehicle monitoring platform system based on double server clusters. The road vehicle monitoring platform system based on the double server clusters comprises a data center, wherein the data center is connected with a monitoring and management server cluster and a communication server cluster, the monitoring and management server cluster is uniformly connected with a management terminal, and the communication server cluster is uniformly connected with a vehicle-mounted terminal; the data center comprises a WebGis server and a database server, and the WebGis server and the database server are connected with each other; the communication server cluster comprises two or more communication servers, each communication server has a unique physical IP address, and a virtual communication server cluster IP address is set for the communication server cluster; the monitoring and management server cluster comprises two or more monitoring and management servers, and a virtual monitoring and management server cluster IP address is set for the monitoring and management server cluster; the WebGis server is used for providing a map engine service; the database server stores a mapping table between all vehicle-mounted terminals and the corresponding communication servers.
Description
Technical field
The present invention relates to car networking and road vehicles monitoring field, particularly a kind of road vehicles monitoring plateform system based on two server cluster.
Background technology
Along with improving constantly of national economy level, road transport vehicle increases sharply in recent years.Strengthen road transport vehicle, be especially related to the supervision of life property safety of people vehicle to being engaged in hazardous materials transportation, long-distance passenger transportation, freight transportation and logistics transportation etc., become the problem that relevant government department pays special attention to.In addition, road transportation enterprises is to improving Business Economic Benefit, strengthening also more and more attention of transportation safety monitoring by technological means.Along with the continuous increase of the demand of the location to commerial vehicle such as government department, enterprise and the public and security service, road transport vehicle satellite fix dynamic supervision and Operation and dispatching system are being brought into play more and more important effect, and vehicle positioning system market has also entered scale development period.
Road transport management is a distributed heterogeneous system with distributivity, complexity, but early stage road monitoring platform adopts C/S framework mostly, function singleness, system maintenance upgrading is inconvenient, resource redundancy is large, different business systems lacks integrated management, affects the efficiency of urban traffic control command scheduling.There is in the recent period the plateform system of B/S structure, although solved the problem of part autgmentability, integration, be not all well solved for access the problem such as communication link resources pressure and back-end data handling property causing such as the above terminal of certain scale simultaneously.Because communication server link port resource and system I/O resource are all limited, the performance bottleneck problem such as while causing the number of vehicles of connecting system to increase to a certain extent, there is accessing or database manipulation is overtime.
Particularly, prior art has two large Key technique problems:
1. concurrency performance is poor and resource autgmentability is poor:
Due to the finiteness of hardware resource, monitor supervision platform in the past need to fully take into account the simultaneously online quantity of terminal in demand in the time of design, but is even so also difficult to accurately estimate the growth of vehicle in reality in a period of time.It is simultaneously online that a lot of platforms can bear 1,2 thousand station terminal, but in the time that vehicle exceedes this number, just there will be terminal to access or even the phenomenon of system crash.Address this problem and can only redesign system and buy and upgrade hardware.
2. platform feature autgmentability is poor, resource redundancy degree is large:
Current vehicle monitoring platform carries out customized development for the demand of government or enterprise mostly, belongs to tightly coupled architecture in software architecture, and second-time development workload is larger.One cover system is difficult to simply adapt to the variation of customer demand, is difficult to the application of the similar unit of compatible demand, causes different departments using different management platforms, and the basic function broadly similar using.
Summary of the invention
Goal of the invention: technical problem to be solved by this invention is for the deficiencies in the prior art, provides a kind of road vehicles monitoring plateform system based on two server cluster.
In order to solve the problems of the technologies described above, the invention discloses a kind of road vehicles monitoring plateform system based on two server cluster, comprise data center, data center connects respectively monitoring management server cluster and communication server cluster, monitoring management server cluster is unified connecting management terminal, the unified car-mounted terminal that connects of communication server cluster;
Wherein data center comprises the map of interconnective WebGis(based on Web webpage) server and database server;
Described communication server cluster comprises two above communication servers, and each communication server has unique physical IP address, and communication server cluster fictionalizes a communication server cluster IP address;
Described monitoring management server cluster comprises two above monitoring management servers, and each monitoring management server has unique physical IP address, and monitoring management server cluster fictionalizes a monitoring management server cluster IP address;
Described communication server cluster is for setting up long linking communications link with all car-mounted terminals, and the message that reception car-mounted terminal reports is also carried out Context resolution according to wireless communication protocol, then the data after resolving are reported to monitoring management server cluster; Receive the terminal monitoring instruction that monitoring management server cluster issues simultaneously, and instruction is carried out to the encapsulation of wireless communication protocol, be then handed down to car-mounted terminal; Each car-mounted terminal is set up one with the mapping relations of communication server physical IP address and is kept in database server after being connected with a communication server, mapping relations are found the communication server being connected with target carriage mounted terminal when sending instructions under monitoring management server;
Described monitoring management server cluster is for the treatment of the car-mounted terminal message after communication server cluster receives and resolves, and process the operational order that office terminal issues to car-mounted terminal, and issue monitoring message according to the mapping relations of car-mounted terminal and the communication server to car-mounted terminal;
Described WebGis server, for according to the request of office terminal, provides engine map service by SOA interface to office terminal;
Described database server is preserved the mapping table of all car-mounted terminals and the corresponding communication server, and storage cart mounted terminal reporting message.
In the present invention, car-mounted terminal, to communication server cluster reporting message, comprises the steps:
Step 101, its moving rear authentication message that sends of car-mounted terminal;
Step 102, authentication message arrives after communication server cluster, and communication server cluster distributes a communication server receive authentication message and carry out the processing that unpacks of wireless protocols, takes out the content in authentication message;
Step 103, the authentication content after resolving is sent to monitoring management server cluster by the communication server;
Step 104, monitoring management server cluster distributes a monitoring management server receipt message and processes;
Step 105, monitoring management server is set up or renovated bus mounted terminal and communication server IP mapping relations according to the physical IP address of the Termination ID in message and the communication server, and mapping relations are stored into database server;
Step 106, monitoring management server is handed down to corresponding car-mounted terminal by result by the communication server;
Step 107, car-mounted terminal with in step 102, elected the communication server coming and keep long and is connected and to utilize this length connection and described road vehicles monitoring plateform system to carry out real-time messages mutual.
In the present invention, office terminal issues operational order to car-mounted terminal and comprises the steps:
Step 201, office terminal connects monitoring management server cluster by Internet-browser;
Step 202, monitoring management server cluster distributes a monitoring management server A to be responsible for the request of response management terminal;
Step 203, office terminal issues vehicle monitoring management instruction by browser to car-mounted terminal X;
Step 204, monitoring management server A is searched the IP address of the communication server of communicating by letter with car-mounted terminal X from own internal memory, if there is no the mapping relations of car-mounted terminal X in internal memory, goes to step 205; If had, go to step 207;
Step 205, monitoring management server A is searched the mapping relations of car-mounted terminal X from the car-mounted terminal of database server and the mapping table of the communication server, if go to step 206, otherwise goes to step 209;
Step 206, monitoring management server A loads the mapping relations of car-mounted terminal X into internal memory;
Step 207, instruction is handed down to the communication server corresponding to car-mounted terminal X in mapping relations by monitoring management server A;
Step 208, the communication server receives that instruction that monitoring management server A is sent is carried out the encapsulation of wireless protocols and finds and being connected and issuing of car-mounted terminal X, and goes to step 210;
Step 209, if there is no mapping relations in database server, returns to office terminal extremely;
Step 210, finishes..
In the present invention, calling of WebGis service, comprises the steps:
Step 301, office terminal login monitoring management server;
Step 302, monitoring management server carries out the loading of homepage data and calls WebGis server and obtain engine map service;
Step 303, WebGis server returns to engine map;
Step 304, engine map is embedded homepage by monitoring management server;
Step 305, monitoring management server is to office terminal browser display homepage;
Step 306, office terminal is used map related service;
Step 307, engine map obtains and arranges user and operates required data;
Step 308, engine map calls the service of WebGis server;
Step 309, result is returned in the service of WebGis server;
Step 310, engine map is presented at result on browser interface;
Step 311, finishes.
In the present invention, mapping table is set up and the process of maintenance comprises the steps:
Step 401, the message that communication server M reports to monitoring management server set pocket transmission car-mounted terminal X;
Step 402, a monitoring management server A of monitoring management server cluster election, the message that received communication server M sends;
Step 403, whether monitoring management server A is searched the mapping relations of car-mounted terminal X record in internal memory, if do not have the mapping relations record of car-mounted terminal X to go to step 404 in the internal memory of monitoring management server A, otherwise go to step 406;
Step 404, monitoring management server A is searched car-mounted terminal and the communication server mapping relations record sheet in database server, if find the mapping relations record of car-mounted terminal X, goes to step 405, otherwise goes to step 408;
Step 405, monitoring management server A loads this mapping relations record into internal memory;
Step 406, monitoring management server A checks the mapping relations of car-mounted terminal X in internal memory are whether the communication server IP address that car-mounted terminal X is corresponding is the address of this information reporting;
Step 407, if mapping relations correctly, go to step 409, otherwise goes to step 408;
Step 408, monitoring management server A is upgraded the mapping relations of car-mounted terminal X in internal memory, and by new mapping relations with stepping database server;
Step 409, finishes.
In the present invention, the flow process of searching the communication server while sending instructions under monitoring management server comprises the steps:
Step 501, office terminal issues vehicle monitoring management instruction by browser administration interface to car-mounted terminal X;
Step 502, monitoring management server A is searched the IP address of the communication server of communicating by letter with car-mounted terminal X from internal memory, if there is no the mapping relations of car-mounted terminal X in internal memory, goes to step 503, otherwise goes to step 505;
Step 503, the mapping relations that monitoring management server A is searched car-mounted terminal X from the car-mounted terminal of database server and communication server mapping relations table, if not, go to step 510, otherwise go to step 504;
Step 504, monitoring management server A loads the mapping relations of car-mounted terminal X into internal memory;
Step 505, instruction is handed down to the communication server corresponding to car-mounted terminal X in mapping relations by monitoring management server A;
Step 506, the communication server is searched and being connected that car-mounted terminal X communicates by letter, and goes to step 509 if found, otherwise goes to step 507;
Step 507, if M does not find and being connected of terminal communication in step 506, illustrates car-mounted terminal shutdown or disconnection reconnecting and is connected with other communication servers, the communication server will return to connection to monitoring management server and not have unexpected message;
Step 508, monitoring management server A is upgraded mapping relations after receiving the abnormal feedback of M from database server, if there is no the mapping relations of car-mounted terminal X in database server, goes to step 510, otherwise goes to step 505; A sending times is set, exceedes this sending times if an instruction of mailing to car-mounted terminal X repeats to send, directly go to step 510;
Step 509, the communication server receives instruction that monitoring management server A sends to be carried out the encapsulation of wireless protocols and is found and being connected and issuing of vehicle-mounted X, and goes to step 511;
Step 510, if there is no mapping relations in database server, returns to office terminal extremely;
Step 511, finishes.
In the present invention, after the car-mounted terminal X being connected with communication server M goes offline, reconnect after the communication server, in former monitoring management server A, also have the mapping relations of car-mounted terminal X and communication server M, carry out the correction of mapping relations, comprise the steps:
Step 601, initiatively initiates to reconnect request to described plateform system after car-mounted terminal X goes offline;
Step 602, in communication server cluster, allocate communications server N accepts the request of car-mounted terminal X, and connection message is sent to monitoring management server cluster;
Step 603, monitoring management server cluster distributes monitoring management server B to accept the request message of the car-mounted terminal X that communication server N sends;
Step 604, monitoring management server B is checked the mapping relations that whether have car-mounted terminal X in own internal memory, if had, goes to step 607, otherwise goes to step 605;
Step 605, whether monitoring management server B is checked the mapping relations of car-mounted terminal X record in database server, if had, go to step 606, otherwise in internal memory a newly-built car-mounted terminal X and join the mapping relations of communication server N, and go to step 609;
Step 606, the mapping relations record that monitoring management server B reads car-mounted terminal X from database server is loaded into internal memory;
Step 607, whether the communication server IP address that in monitoring management server B comparison internal memory, car-mounted terminal X is corresponding is communication server N, if it is goes to step 610, otherwise turns 608;
Step 608, monitoring management server B is upgraded the mapping relations of car-mounted terminal X in monitoring management server B self EMS memory with the IP address of communication server N;
Step 609, monitoring management server B safeguards the mapping relations of car-mounted terminal X and communication server N into database server;
Step 610, in maintenance data base server, mapping relations flow process finishes;
Step 611, when office terminal sends instructions under car-mounted terminal X, and be while issuing by monitoring management server A, because the mapping relations of car-mounted terminal X and communication server N are preserved into database server by monitoring management server B, so the mapping message of safeguarding in the internal memory of A is still X-> M, carry out following steps;
Step 612, monitoring management server A is searched the mapping relations of car-mounted terminal X from internal memory, takes out the IP address of communication server M, and instruction is mail to communication server M;
Step 613, communication server M searches the communication connection with car-mounted terminal X, finds to connect without this, returns to unexpected message without this connection to monitoring management server A;
Step 614, monitoring management server A is searched the mapping relations of car-mounted terminal X and is upgraded the mapping relations in the own internal memory of monitoring management server A from database server;
Step 615, monitoring management server A sends instructions under communication server N corresponding to car-mounted terminal X in new mapping relations;
Step 616, communication server N accepts the instruction of monitoring management server A and carries out the encapsulation of wireless protocols, is handed down to subsequently car-mounted terminal X;
Step 617, finishes.
Use the framework that the present invention explains effectively multiple establishments of consumption of natural resource in system to be split and to be come, form the service-oriented assembly one by one such as communication service, monitoring management service, WebGis service, use computer cluster technology by communication service and monitoring management service cluster simultaneously, form communication server cluster and monitoring management server cluster, the dispensed in these cost sources is carried out jointly to computers different in cluster, reached the object of high concurrent and load balancing.
Beneficial effect: the present invention is by road vehicles monitoring console module, while making in the face of different application demand, can carry out fast secondary development, simultaneously clustering is disposed and is made the enterprise can be according to the increase and decrease hardware of how many appropriateness of monitoring vehicle flexibly, and company interest is maximized.
For existing shortcoming, this motion solves following technical problem
1. in the present invention, taken into full account the factor of vehicle fleet size upgrading, the interface of well having cut apart each logic module standard between module by service-oriented design concept.In the time that vehicle upgrading causes existing communication server resource or application server resource to meet performance need, can carry out elevator system performance by increase machine in cluster, and not need to change existing hardware system and software systems.
So due to the communication server used SOA design concept he be loose coupling with the deployment scheme of cluster in realization.User can select cluster deployment techniques according to site specific.Such as the NLB cluster service that windows carries, can in same cluster, dispose at most 32 station servers.
2. design loose coupling, inner sealing by the design concept of service-oriented (SOA), and only carry out the modular architecture of interoperability by interface.Fashionablely can on original basis, carry out fast secondary development when having service needed variation or having new business to add.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is done further and illustrated, above-mentioned and/or otherwise advantage of the present invention will become apparent.
Fig. 1 is topology diagram of the present invention.
Fig. 2 is hardware communication schematic diagram of the present invention.
Fig. 3 is the sequential chart of processing terminal reporting message of the present invention.
Fig. 4 is that platform issues command sequence figure.
Fig. 5 is WebGis service call mode sequence chart.
Fig. 6 is the maintenance process figure of mapping table.
Fig. 7 is that monitoring management server issues instruction flow chart.
Fig. 8 mapping relations correction flow chart.
Embodiment
As depicted in figs. 1 and 2, the present invention adopts service-oriented design concept, communications is separated with Service control, bookkeeping business and map are represented to logical separation, designed take communication service applicator platform, monitoring management platform, WebGis map service platform as main system architecture scheme.
The invention discloses a kind of road vehicles monitoring plateform system based on two server cluster, comprise data center, data center connects respectively monitoring management server cluster and communication server cluster, monitoring management server cluster is unified connecting management terminal, the unified car-mounted terminal that connects of communication server cluster; Wherein data center comprises interconnective WebGis server and database server; Described communication server cluster comprises two above communication servers, and each communication server has unique physical IP address, and communication server cluster fictionalizes a communication server cluster IP address; Described monitoring management server cluster comprises two above monitoring management servers, and each monitoring management server has unique physical IP address, and monitoring management server cluster fictionalizes a monitoring management server cluster IP address; Described communication server cluster is for setting up long linking communications link with all car-mounted terminals, and the message that reception car-mounted terminal reports is also carried out Context resolution according to wireless communication protocol, then the data after resolving are reported to monitoring management server cluster; Receive the terminal monitoring instruction that monitoring management server cluster issues simultaneously, and instruction is carried out to the encapsulation of wireless communication protocol, be then handed down to car-mounted terminal; Each car-mounted terminal is set up one with the mapping relations of communication server physical IP address and is kept in database server after being connected with a communication server, mapping relations are found the communication server being connected with target carriage mounted terminal when sending instructions under monitoring management server; Described monitoring management server cluster is for the treatment of the car-mounted terminal message after communication server cluster receives and resolves, and process the operational order that office terminal issues to car-mounted terminal, and issue monitoring message according to the mapping relations of car-mounted terminal and the communication server to car-mounted terminal; Described WebGis server, for according to the request of office terminal, provides engine map service by SOA interface to office terminal; Described database server is preserved the mapping table of all car-mounted terminals and the corresponding communication server, and storage cart mounted terminal reporting message.
Communication server cluster: so the resource pressure while adopting the long form platform incoming end being connected to face great amount of terminals to access due to the wireless communication protocol between car-mounted terminal in preventing road monitoring system and platform simultaneously more.So the present invention is independent and use the mode of cluster to dispose by communication function.
Monitoring management server cluster: monitoring management server is the application service platform that car operation management unit carries out daily management and monitoring.Be responsible for processing the terminal message that reports of communications platform and sending various maintenance and management instructions such as vehicle location information query by communications platform to car-mounted terminal, terminal is reported to the police and is processed, and inquires about/arrange terminal parameter etc.This platform is mutual with WebGis platform, represents Web map, and complete the functions such as vehicle location, trace playback, setting area by SOA interface by webpage.
WebGis server: this platform is a map service platform, externally provide engine map service by SOA interface, as dwindled according to the amplification of longitude and latitude positioned vehicle, computational scheme length, defined area and zoning area and map, the function such as roaming, mark.
Physical structure of the present invention is as shown in Figure 2:
Monitoring management terminal is the PC computer that enterprise, governability personnel use while carrying out vehicle/terminal management, and the administration page that administrative staff represent by browser carries out every bookkeeping.
The present invention uses the mode sharing system performance pressure of cluster+Distributed Calculation, the NLB NLB service (NLB) that Clustering can be used windows2008 Server R2 to carry.
Server in each cluster has the physical IP address of oneself, and cluster service fictionalizes a cluster IP address, the request of service can be divided to the server spreading in cluster by cluster IP address, reaches the effect of load balancing.
NLB cluster is processed at multiserver simultaneously three kinds of allocation strategies in the allocation model of request:
Without similitude: the service request of client can mean allocation to each server in trooping, process with the mode distribution server of poll according to the different request of arrival.
The communication server: the service request meeting fixed allocation of client computer is to the interior a certain portion server of trooping.In the time receiving the request of client computer, NLB can decide and transfer to which server to process according to the IP of client computer, and namely a server only can be processed the request from some IP.
Network (class C): decide and transfer to which server to process according to the Class C shielding of IP, namely a server only can be processed the request from some network segment C.
When field deployment, can arrange flexibly according to actual conditions the deployment mode of two clusters.
In the present invention, process the sequential chart of car-mounted terminal reporting message as shown in Figure 3:
Car-mounted terminal by communication server cluster IP address, is registered logon operation to platform, and communication server cluster distributes server in cluster to set up length with terminal according to self strategy and is connected.The communication server parses backward monitoring management server cluster by the message in message and initiates to call (group of planes IP address of usage monitoring management server cluster) from communication protocol, and the tactful distribution server of monitoring management server cluster use self responds and processes request.When the result of returning is that while logging in successfully, terminal just can keep long connection to carry out real time communication with the particular server in communication server cluster.
Particularly, in the present invention, car-mounted terminal, to communication server cluster reporting message, comprises the steps:
Step 101, its moving rear authentication message that sends of car-mounted terminal;
Step 102, authentication message arrives after communication server cluster, and communication server cluster distributes a communication server receive authentication message and carry out the processing that unpacks of wireless protocols, takes out the content in authentication message;
Step 103, the authentication content after resolving is sent to monitoring management server cluster by the communication server;
Step 104, monitoring management server cluster distributes a monitoring management server receipt message and processes;
Step 105, monitoring management server is set up or renovated bus mounted terminal and communication server IP mapping relations according to the physical IP address of the Termination ID in message and the communication server, and mapping relations are stored into database server;
Step 106, monitoring management server is handed down to corresponding car-mounted terminal by result by the communication server;
Step 107, car-mounted terminal with in step 102, elected the communication server coming and keep long and is connected and to utilize this length connection and described road vehicles monitoring plateform system to carry out real-time messages mutual.
In the present invention, office terminal issues operational order to car-mounted terminal and comprises the steps:
Step 201, office terminal connects monitoring management server cluster by Internet-browser;
Step 202, monitoring management server cluster distributes a monitoring management server A to be responsible for the request of response management terminal;
Step 203, office terminal issues vehicle monitoring management instruction by browser to car-mounted terminal X;
Step 204, monitoring management server A is searched the IP address of the communication server of communicating by letter with car-mounted terminal X from own internal memory, if there is no the mapping relations of car-mounted terminal X in internal memory, goes to step 205; If had, go to step 207;
Step 205, monitoring management server A is searched the mapping relations of car-mounted terminal X from the car-mounted terminal of database server and the mapping table of the communication server, if go to step 206, otherwise goes to step 209;
Step 206, monitoring management server A loads the mapping relations of car-mounted terminal X into internal memory;
Step 207, instruction is handed down to the communication server corresponding to car-mounted terminal X in mapping relations by monitoring management server A;
Step 208, the communication server receives that instruction that monitoring management server A is sent is carried out the encapsulation of wireless protocols and finds and being connected and issuing of car-mounted terminal X, and goes to step 210;
Step 209, if there is no mapping relations in database server, returns to office terminal extremely;
Step 210, finishes..
This platform issues vehicle management and operates as shown in Figure 4:
Administrative staff use browser to log in monitoring management platform, and monitoring management server cluster uses inner strategy to distribute a station server to respond, and follow-uply within this browser session cycle, provides service by this server to this browser client.Instantly while dispatching a car administrative messag, monitoring management server is found the communication server of communicating by letter with target carriage mounted terminal by the car-mounted terminal in internal memory with communication server mapping relations, if there is no the mapping relations corresponding with this terminal in internal memory, extract corresponding message and be kept in internal memory in the terminal-communication server mapping table from database, then instruction message is handed down to this server and carries out the encapsulation of wireless communication protocol, the communication server completes after package is processed and is just handed down to car-mounted terminal.
Particularly, office terminal issues operational order to car-mounted terminal and comprises the steps:
Step 201, office terminal connects monitoring management server cluster by Internet-browser;
Step 202, monitoring management server cluster distributes a monitoring management server A to be responsible for the request of response management terminal;
Step 203, office terminal issues vehicle monitoring management instruction by browser to car-mounted terminal X;
Step 204, monitoring management server A is searched the IP address of the communication server of communicating by letter with car-mounted terminal X from own internal memory, if there is no the mapping relations of car-mounted terminal X in internal memory, goes to step 205; If had, go to step 207;
Step 205, monitoring management server A is searched the mapping relations of car-mounted terminal X from the car-mounted terminal of database server and the mapping table of the communication server, if go to step 206, otherwise goes to step 209;
Step 206, monitoring management server A loads the mapping relations of car-mounted terminal X into internal memory;
Step 207, instruction is handed down to the communication server corresponding to car-mounted terminal X in mapping relations by monitoring management server A;
Step 208, the communication server receives that instruction that monitoring management server A is sent is carried out the encapsulation of wireless protocols and finds and being connected and issuing of car-mounted terminal X, and goes to step 210;
Step 209, if there is no mapping relations in database server, returns to office terminal extremely;
Step 210, finishes..
WebGis service call mode is as shown in Figure 5:
When loading on browser, system homepage the JS engine of WebGis can be loaded to the client into IE; when user uses vehicle location; trace playback; when the map functions such as region division; the JS engine map of the page can first obtain these and operate required data; comprise from monitoring management server and obtain monitor supervision platform data, the Map Services interface that then calls WebGis server obtains Map Services function, thereby the map of realizing correlation function represents and data interaction.
Particularly, calling of WebGis service, comprises the steps:
Step 301, office terminal login monitoring management server;
Step 302, monitoring management server carries out the loading of homepage data and calls WebGis server and obtain engine map service;
Step 303, WebGis server returns to engine map;
Step 304, engine map is embedded homepage by monitoring management server;
Step 305, monitoring management server is to office terminal browser display homepage;
Step 306, office terminal is used map related service;
Step 307, engine map obtains and arranges user and operates required data;
Step 308, engine map calls the service of WebGis server;
Step 309, result is returned in the service of WebGis server;
Step 310, engine map is presented at result on browser interface;
Step 311, finishes.
Monitoring management server under need to find with this terminal while sending instructions and keep the communication server of communicating by letter, so all can there be a terminal-communication server mapping table in every monitoring management server memory.Because monitoring management server also likely uses cluster, so different terminal messages can arrive different monitoring management servers by the different communication servers, cause the mapping message on monitoring management server asynchronous.
The present invention is by mapping relations are saved to database, the mapping message that monitoring management platform finds not have in internal memory map entry or entry can synchronously need from database when expired.
Shown in mapping table structural table 1
Table 1
Assembling index according to Termination ID facilitates monitoring management server to search according to particular terminal ID.
The maintenance process figure of mapping table is as shown in Figure 6:
In the time that receiving calling of sending from communication server cluster, monitoring management server A can analyze communication server physical IP address and the Termination ID in message call, if although Termination ID is at internal memory or not at internal memory but find corresponding record and during with stepping internal memory from database, check whether the corresponding relation of Termination ID and communication server physical IP reports with this consistent, if inconsistent, upgrade that these mapping relations record and with stepping database.If do not find corresponding Termination ID, the newly-built mapping relations record of A with stepping database.
Particularly, the process of mapping table foundation and maintenance comprises the steps:
Step 401, the message that communication server M reports to monitoring management server set pocket transmission car-mounted terminal X;
Step 402, a monitoring management server A of monitoring management server cluster election, the message that received communication server M sends;
Step 403, whether monitoring management server A is searched the mapping relations of car-mounted terminal X record in internal memory, if do not have the mapping relations record of car-mounted terminal X to go to step 404 in the internal memory of monitoring management server A, otherwise go to step 406;
Step 404, monitoring management server A is searched car-mounted terminal and the communication server mapping relations record sheet in database server, if find the mapping relations record of car-mounted terminal X, goes to step 405, otherwise goes to step 408;
Step 405, monitoring management server A loads this mapping relations record into internal memory;
Step 406, monitoring management server A checks the mapping relations of car-mounted terminal X in internal memory are whether the communication server IP address that car-mounted terminal X is corresponding is the address of this information reporting;
Step 407, if mapping relations correctly, go to step 409, otherwise goes to step 408;
Step 408, monitoring management server A is upgraded the mapping relations of car-mounted terminal X in internal memory, and by new mapping relations with stepping database server;
Step 409, finishes.
While sending instructions under monitoring management server, search the flow chart of the communication server as shown in Figure 7:
In the time sending instructions under needs, monitoring management server can be searched the map entry of the communication server corresponding with terminal from internal memory or database, to determine instruction is handed down to which platform communication server by this.Because car-mounted terminal reconnects the situation of platform after occurring sometimes going offline, at this moment terminal may connect other the communication server (such as communication server N), the new mapping relations of setting up can be upgraded in database by a certain station server (such as server B) in monitoring management server cluster, because the mapping relations of car-mounted terminal X and communication server N are preserved into database server by monitoring management server B, so the mapping message of safeguarding in the internal memory of A is still X-> M, up-to-date mapping relations are preserved and only have in monitoring management server cluster in the internal memory of B, so M does not find and being connected of terminal communication when other monitoring management servers (such as server A) issue the monitored instruction of terminal X to the communication server (such as communication server M) in former mapping relations, car-mounted terminal shutdown or disconnection reconnecting are described and are connected with other communication servers, at this moment A can obtain the abnormal reply that there is no designated terminal that M returns, now need again this terminal map entry in reading database, and re-issue instruction.Its mapping relations correction figure as shown in Figure 8.
The flow process of searching the communication server while particularly, sending instructions under monitoring management server comprises the steps:
Step 501, office terminal issues vehicle monitoring management instruction by browser administration interface to car-mounted terminal X;
Step 502, monitoring management server A is searched the IP address of the communication server of communicating by letter with car-mounted terminal X from internal memory, if there is no the mapping relations of car-mounted terminal X in internal memory, goes to step 503, otherwise goes to step 505;
Step 503, the mapping relations that monitoring management server A is searched car-mounted terminal X from the car-mounted terminal of database server and communication server mapping relations table, if not, go to step 510, otherwise go to step 504;
Step 504, monitoring management server A loads the mapping relations of car-mounted terminal X into internal memory;
Step 505, instruction is handed down to the communication server corresponding to car-mounted terminal X in mapping relations by monitoring management server A;
Step 506, the communication server is searched and being connected that car-mounted terminal X communicates by letter, and goes to step 509 if found, otherwise goes to step 507;
Step 507, the communication server will return to connection to monitoring management server and not have unexpected message;
Step 508, monitoring management server A is upgraded mapping relations after receiving the abnormal feedback of M from database server, if there is no the mapping relations of car-mounted terminal X in database server, goes to step 510, otherwise goes to step 505; A sending times is set, exceedes this sending times if an instruction of mailing to car-mounted terminal X repeats to send, directly go to step 510;
Step 509, the communication server receives instruction that monitoring management server A sends to be carried out the encapsulation of wireless protocols and is found and being connected and issuing of vehicle-mounted X, and goes to step 511;
Step 510, if there is no mapping relations in database server, returns to office terminal extremely;
Step 511, finishes.
After the car-mounted terminal X being connected with communication server M goes offline, reconnect after the communication server, in former monitoring management server A, also have the mapping relations of car-mounted terminal X and communication server M, carry out the correction of mapping relations, comprise the steps:
Step 601, initiatively initiates to reconnect request to described plateform system after car-mounted terminal X goes offline;
Step 602, in communication server cluster, allocate communications server N accepts the request of car-mounted terminal X, and connection message is sent to monitoring management server cluster;
Step 603, monitoring management server cluster distributes monitoring management server B to accept the request message of the car-mounted terminal X that communication server N sends;
Step 604, monitoring management server B is checked the mapping relations that whether have car-mounted terminal X in own internal memory, if had, goes to step 607, otherwise goes to step 605;
Step 605, whether monitoring management server B is checked the mapping relations of car-mounted terminal X record in database server, if had, go to step 606, otherwise in internal memory a newly-built car-mounted terminal X and join the mapping relations of communication server N, and go to step 609;
Step 606, the mapping relations record that monitoring management server B reads car-mounted terminal X from database server is loaded into internal memory;
Step 607, whether the communication server IP address that in monitoring management server B comparison internal memory, car-mounted terminal X is corresponding is communication server N, if it is goes to step 610, otherwise turns 608;
Step 608, monitoring management server B is upgraded the mapping relations of car-mounted terminal X in monitoring management server B self EMS memory with the IP address of communication server N;
Step 609, monitoring management server B safeguards the mapping relations of car-mounted terminal X and communication server N into database server;
Step 610, in maintenance data base server, mapping relations flow process finishes;
Step 611, when office terminal sends instructions under car-mounted terminal X, and is while issuing by monitoring management server A, carries out following steps;
Step 612, monitoring management server A is searched the mapping relations of car-mounted terminal X from internal memory, takes out the IP address of communication server M, and instruction is mail to communication server M;
Step 613, communication server M searches the communication connection with car-mounted terminal X, finds to connect without this, returns to unexpected message without this connection to monitoring management server A;
Step 614, monitoring management server A is searched the mapping relations of car-mounted terminal X and is upgraded the mapping relations in the own internal memory of monitoring management server A from database server;
Step 615, monitoring management server A sends instructions under communication server N corresponding to car-mounted terminal X in new mapping relations;
Step 616, communication server N accepts the instruction of monitoring management server A and carries out the encapsulation of wireless protocols, is handed down to subsequently car-mounted terminal X;
Step 617, finishes.
The invention provides a kind of road vehicles monitoring plateform system based on two server cluster; method and the approach of this technical scheme of specific implementation are a lot; the above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.In the present embodiment not clear and definite each part all available prior art realized.
Claims (7)
1. the road vehicles monitoring plateform system based on two server cluster, it is characterized in that, comprise data center, data center connects respectively monitoring management server cluster and communication server cluster, monitoring management server cluster is unified connecting management terminal, the unified car-mounted terminal that connects of communication server cluster;
Wherein data center comprises interconnective WebGis server and database server;
Described communication server cluster comprises two above communication servers, and each communication server has unique physical IP address, and communication server cluster fictionalizes a communication server cluster IP address;
Described monitoring management server cluster comprises two above monitoring management servers, and each monitoring management server has unique physical IP address, and monitoring management server cluster fictionalizes a monitoring management server cluster IP address;
Described communication server cluster is for setting up long linking communications link with all car-mounted terminals, and the message that reception car-mounted terminal reports is also carried out Context resolution according to wireless communication protocol, then the data after resolving are reported to monitoring management server cluster; Receive the terminal monitoring instruction that monitoring management server cluster issues simultaneously, and instruction is carried out to the encapsulation of wireless communication protocol, be then handed down to car-mounted terminal; Each car-mounted terminal is set up one with the mapping relations of communication server physical IP address and is kept in database server after being connected with a communication server, mapping relations are found the communication server being connected with target carriage mounted terminal when sending instructions under monitoring management server;
Described monitoring management server cluster is for the treatment of the car-mounted terminal message after communication server cluster receives and resolves, and process the operational order that office terminal issues to car-mounted terminal, and issue monitoring message according to the mapping relations of car-mounted terminal and the communication server to car-mounted terminal;
Described WebGis server, for according to the request of office terminal, provides engine map service by SOA interface to office terminal;
Described database server is preserved the mapping table of all car-mounted terminals and the corresponding communication server, and storage cart mounted terminal reporting message.
2. a kind of road vehicles monitoring plateform system based on two server cluster according to claim 1, is characterized in that, car-mounted terminal, to communication server cluster reporting message, comprises the steps:
Step 101, its moving rear authentication message that sends of car-mounted terminal;
Step 102, authentication message arrives after communication server cluster, and communication server cluster distributes a communication server receive authentication message and carry out the processing that unpacks of wireless protocols, takes out the content in authentication message;
Step 103, the authentication content after resolving is sent to monitoring management server cluster by the communication server;
Step 104, monitoring management server cluster distributes a monitoring management server receipt message and processes;
Step 105, monitoring management server is set up or renovated bus mounted terminal and communication server IP mapping relations according to the physical IP address of the Termination ID in message and the communication server, and mapping relations are stored into database server;
Step 106, monitoring management server is handed down to corresponding car-mounted terminal by result by the communication server;
Step 107, car-mounted terminal with in step 102, elected the communication server coming and keep long and is connected and to utilize this length connection and described road vehicles monitoring plateform system to carry out real-time messages mutual.
3. a kind of road vehicles monitoring plateform system based on two server cluster according to claim 1, is characterized in that, office terminal issues operational order to car-mounted terminal and comprises the steps:
Step 201, office terminal connects monitoring management server cluster by Internet-browser;
Step 202, monitoring management server cluster distributes a monitoring management server A to be responsible for the request of response management terminal;
Step 203, office terminal issues vehicle monitoring management instruction by browser to car-mounted terminal X;
Step 204, monitoring management server A is searched the IP address of the communication server of communicating by letter with car-mounted terminal X from own internal memory, if there is no the mapping relations of car-mounted terminal X in internal memory, goes to step 205; If had, go to step 207;
Step 205, monitoring management server A is searched the mapping relations of car-mounted terminal X from the car-mounted terminal of database server and the mapping table of the communication server, if go to step 206, otherwise goes to step 209;
Step 206, monitoring management server A loads the mapping relations of car-mounted terminal X into internal memory;
Step 207, instruction is handed down to the communication server corresponding to car-mounted terminal X in mapping relations by monitoring management server A;
Step 208, the communication server receives that instruction that monitoring management server A is sent is carried out the encapsulation of wireless protocols and finds and being connected and issuing of car-mounted terminal X, and goes to step 210;
Step 209, if there is no mapping relations in database server, returns to office terminal extremely;
Step 210, finishes..
4. a kind of road vehicles monitoring plateform system based on two server cluster according to claim 1, is characterized in that, calling of WebGis service, comprises the steps:
Step 301, office terminal login monitoring management server;
Step 302, monitoring management server carries out the loading of homepage data and calls WebGis server and obtain engine map service;
Step 303, WebGis server returns to engine map;
Step 304, engine map is embedded homepage by monitoring management server;
Step 305, monitoring management server is to office terminal browser display homepage;
Step 306, office terminal is used map related service;
Step 307, engine map obtains and arranges user and operates required data;
Step 308, engine map calls the service of WebGis server;
Step 309, result is returned in the service of WebGis server;
Step 310, engine map is presented at result on browser interface;
Step 311, finishes.
5. a kind of road vehicles monitoring plateform system based on two server cluster according to claim 1, is characterized in that, mapping table is set up and the process of maintenance comprises the steps:
Step 401, the message that communication server M reports to monitoring management server set pocket transmission car-mounted terminal X;
Step 402, a monitoring management server A of monitoring management server cluster election, the message that received communication server M sends;
Step 403, whether monitoring management server A is searched the mapping relations of car-mounted terminal X record in internal memory, if do not have the mapping relations record of car-mounted terminal X to go to step 404 in the internal memory of monitoring management server A, otherwise go to step 406;
Step 404, monitoring management server A is searched car-mounted terminal and the communication server mapping relations record sheet in database server, if find the mapping relations record of car-mounted terminal X, goes to step 405, otherwise goes to step 408;
Step 405, monitoring management server A loads this mapping relations record into internal memory;
Step 406, monitoring management server A checks the mapping relations of car-mounted terminal X in internal memory are whether the communication server IP address that car-mounted terminal X is corresponding is the address of this information reporting;
Step 407, if mapping relations correctly, go to step 409, otherwise goes to step 408;
Step 408, monitoring management server A is upgraded the mapping relations of car-mounted terminal X in internal memory, and by new mapping relations with stepping database server;
Step 409, finishes.
6. a kind of road vehicles monitoring plateform system based on two server cluster according to claim 5, is characterized in that, the flow process of searching the communication server while sending instructions under monitoring management server comprises the steps:
Step 501, office terminal issues vehicle monitoring management instruction by browser administration interface to car-mounted terminal X;
Step 502, monitoring management server A is searched the IP address of the communication server of communicating by letter with car-mounted terminal X from internal memory, if there is no the mapping relations of car-mounted terminal X in internal memory, goes to step 503, otherwise goes to step 505;
Step 503, the mapping relations that monitoring management server A is searched car-mounted terminal X from the car-mounted terminal of database server and communication server mapping relations table, if not, go to step 510, otherwise go to step 504;
Step 504, monitoring management server A loads the mapping relations of car-mounted terminal X into internal memory;
Step 505, instruction is handed down to the communication server corresponding to car-mounted terminal X in mapping relations by monitoring management server A;
Step 506, the communication server is searched and being connected that car-mounted terminal X communicates by letter, and goes to step 509 if found, otherwise goes to step 507;
Step 507, the communication server will return to connection to monitoring management server and not have unexpected message;
Step 508, monitoring management server A is upgraded mapping relations after receiving the abnormal feedback of M from database server, if there is no the mapping relations of car-mounted terminal X in database server, goes to step 510, otherwise goes to step 505; A sending times is set, exceedes this sending times if an instruction of mailing to car-mounted terminal X repeats to send, directly go to step 510;
Step 509, the communication server receives instruction that monitoring management server A sends to be carried out the encapsulation of wireless protocols and is found and being connected and issuing of vehicle-mounted X, and goes to step 511;
Step 510, if there is no mapping relations in database server, returns to office terminal extremely;
Step 511, finishes.
7. a kind of road vehicles monitoring plateform system based on two server cluster according to claim 1, it is characterized in that, after going offline, the car-mounted terminal X being connected with communication server M reconnects after the communication server, in former monitoring management server A, also have the mapping relations of car-mounted terminal X and communication server M, carry out the correction of mapping relations, comprise the steps:
Step 601, initiatively initiates to reconnect request to described plateform system after car-mounted terminal X goes offline;
Step 602, in communication server cluster, allocate communications server N accepts the request of car-mounted terminal X, and connection message is sent to monitoring management server cluster;
Step 603, monitoring management server cluster distributes monitoring management server B to accept the request message of the car-mounted terminal X that communication server N sends;
Step 604, monitoring management server B is checked the mapping relations that whether have car-mounted terminal X in own internal memory, if had, goes to step 607, otherwise goes to step 605;
Step 605, whether monitoring management server B is checked the mapping relations of car-mounted terminal X record in database server, if had, go to step 606, otherwise in internal memory a newly-built car-mounted terminal X and join the mapping relations of communication server N, and go to step 609;
Step 606, the mapping relations record that monitoring management server B reads car-mounted terminal X from database server is loaded into internal memory;
Step 607, whether the communication server IP address that in monitoring management server B comparison internal memory, car-mounted terminal X is corresponding is communication server N, if it is goes to step 610, otherwise turns 608;
Step 608, monitoring management server B is upgraded the mapping relations of car-mounted terminal X in monitoring management server B self EMS memory with the IP address of communication server N;
Step 609, monitoring management server B safeguards the mapping relations of car-mounted terminal X and communication server N into database server;
Step 610, in maintenance data base server, mapping relations flow process finishes;
Step 611, when office terminal sends instructions under car-mounted terminal X, and is while issuing by monitoring management server A, carries out following steps;
Step 612, monitoring management server A is searched the mapping relations of car-mounted terminal X from internal memory, takes out the IP address of communication server M, and instruction is mail to communication server M;
Step 613, communication server M searches the communication connection with car-mounted terminal X, finds to connect without this, returns to unexpected message without this connection to monitoring management server A;
Step 614, monitoring management server A is searched the mapping relations of car-mounted terminal X and is upgraded the mapping relations in the own internal memory of monitoring management server A from database server;
Step 615, monitoring management server A sends instructions under communication server N corresponding to car-mounted terminal X in new mapping relations;
Step 616, communication server N accepts the instruction of monitoring management server A and carries out the encapsulation of wireless protocols, is handed down to subsequently car-mounted terminal X;
Step 617, finishes.
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