CN103795793B - 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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- CN103795793B CN103795793B CN201410031286.XA CN201410031286A CN103795793B CN 103795793 B CN103795793 B CN 103795793B CN 201410031286 A CN201410031286 A CN 201410031286A CN 103795793 B CN103795793 B CN 103795793B
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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 terrain vehicle based on two server cluster
Monitor supervision platform system.
Background technology
With the continuous improvement of national economy level, road transport vehicle increases sharply in recent years.Strengthen road transport car
, especially it is related to people's life's property peace to being engaged in hazardous materials transportation, long-distance passenger transportation, cargo transport and logistics transportation etc.
The supervision of full vehicle, becomes the problem that relevant government department pays special attention to.In addition, road transportation enterprises are to being carried by technological means
High Business Economic Benefit, reinforcement transportation safety monitoring are also increasingly paid attention to.As government department, enterprise and public etc. are to commercial vehicle
Positioning and security service demand continuous increase, road transport vehicle satellite positioning dynamic supervision and Operation and dispatching system
More and more important effect is being played, vehicle positioning system market also has been enter into scale development period.
Road transportation management P be one have distributivity, the distributed heterogeneous system of complexity, but early stage road monitoring
Platform adopts C/S frameworks mostly, and single function, system maintenance upgrading are inconvenient, and resource redundancy is big, and different business systems lack collection
Into management, the efficiency of urban traffic control command scheduling is affected.The plateform system of B/S structures is occurred in that in the recent period, although solved
The problem of part autgmentability, integration, but communication link money caused by such as certain scale above terminal is accessed simultaneously
The problems such as source pressure and back-end data process performance, is not all well solved.As communication server link port is provided
Source and system I/O resource are all limited, occur connecing when causing the number of vehicles of access system to increase to a certain extent
Enter or the performance bottleneck problem such as database manipulation time-out.
Specifically, prior art has two big Key technique problems：
1. concurrency performance is poor, and resource expansion is poor：
Due to the finiteness of hardware resource, conventional monitor supervision platform needs to fully take into account the terminal in demand in design
Simultaneously online quantity, but even so it also is difficult to accurately estimate the growth of vehicle in practice in a period of time.Many platforms
1,2,000 station terminals can be born simultaneously online, but just occur that terminal cannot be accessed even when vehicle exceedes this number
It is the phenomenon of system crash.Solve this problem and can only redesign system and purchase renewal hardware.
2. platform feature autgmentability is poor, resource redundancy degree is big：
Current vehicle monitoring platform is directed to government mostly or the demand of enterprise is customized exploitation, belongs in software architecture
Tightly coupled architecture, second-time development workload are larger.Set of system is difficult to the change for simply adapting to customer demand, it is difficult to
The application of the similar unit of compatibility requirement, causes different departments using different management platforms, and the basic function for using is big
Body phase is seemingly.
The content of the invention
Goal of the invention：The technical problem to be solved is for the deficiencies in the prior art, there is provided a kind of based on double
The road vehicles monitoring plateform system of server cluster.
In order to solve above-mentioned technical problem, the invention discloses a kind of road vehicles monitoring based on two server cluster is flat
Platform system, including data center, data center connect monitoring management server cluster and communication server cluster respectively, monitoring
Management server cluster unifies connecting management terminal, communication server cluster unification connection car-mounted terminal；
Wherein data center includes the WebGis being connected with each other（Map based on Web page）Server and data base's clothes
Business device；
The communication server cluster includes the communication server of more than two, and each communication server has unique thing
Reason IP address, communication server cluster fictionalize a communication server cluster IP address；
The monitoring management server cluster includes the monitoring management server of more than two, each monitoring management server
With unique physical IP address, monitoring management server cluster fictionalizes a monitoring management server cluster IP address；
The communication server cluster is received on car-mounted terminal for setting up long linking communications link with all car-mounted terminals
The message of report simultaneously carries out Context resolution according to wireless communication protocol, then the data after parsing are reported monitoring management server set
Group；The terminal monitoring instruction that monitoring management server cluster is issued is received simultaneously, and the envelope of wireless communication protocol is carried out to instruction
Dress, is then handed down to car-mounted terminal；Each car-mounted terminal sets up one and the communication server after being connected with a communication server
The mapping relations of physical IP address are simultaneously stored in database server, and mapping relations are used to send instructions under monitoring management server
When find the communication server that is connected with target car-mounted terminal；
The monitoring management server cluster is used to process the vehicle-mounted end after communication server cluster is received and parsed through
End message, and the operational order that management terminal is issued to car-mounted terminal is processed, and according to car-mounted terminal and the communication server
Mapping relations issue monitoring message to car-mounted terminal；
The WebGis servers provide map to management terminal by SOA interfaces for the request according to management terminal
Engine service；
The database server preserves the mapping table of all car-mounted terminals and the corresponding communication server, and stores vehicle-mounted
Terminal to report message.
In the present invention, car-mounted terminal comprises the steps to communication server cluster reporting message：
Step 101, car-mounted terminal its it is dynamic after send authentication message；
Step 102, after authentication message reaches communication server cluster, communication server cluster distributes a communication clothes
Business device receives authentication message and carries out the unpacking process of wireless protocols, takes out the content in authentication message；
Authentication content after parsing is sent to monitoring management server cluster by step 103, the communication server；
Step 104, monitoring management server cluster are distributed a monitoring management server and receive message and processed；
Step 105, monitoring management server are set up according to the physical IP address of Termination ID and the communication server in message
Or car-mounted terminal and communication server IP mapping relations are updated, and mapping relations are stored in into database server；
Result is handed down to correspondence car-mounted terminal by the communication server by step 106, monitoring management server；
Step 107, car-mounted terminal keep length to be connected and using the length with the communication server elected in step 102
Connection carries out real-time messages with the road vehicles monitoring plateform system and interacts.
In the present invention, management terminal issues operational order to car-mounted terminal and comprises the steps：
Step 201, management terminal connect monitoring management server cluster by Internet-browser；
Step 202, monitoring management server cluster are distributed a monitoring management server A and are responsible for asking for response management terminal
Ask；
Step 203, management terminal issue vehicle monitoring management instruction by browser to car-mounted terminal X；
Step 204, monitoring management server A are searched from oneself internal memory and the communication server of car-mounted terminal X communication
IP address, goes to step 205 if the mapping relations for not having car-mounted terminal X in internal memory；If then going to step 207；
Step 205, monitoring management server A is from the mapping table of the car-mounted terminal and the communication server of database server
The mapping relations of car-mounted terminal X are searched, if going to step 206, step 209 is otherwise gone to；
Step 206, monitoring management server A load the mapping relations of car-mounted terminal X into internal memory；
Instruction is handed down to the corresponding communication services of car-mounted terminal X in mapping relations by step 207, monitoring management server A
Device；
Step 208, the communication server receive the instruction that monitoring management server A sends and are carried out the encapsulation of wireless protocols
And find the connection with car-mounted terminal X and issue, go to step 210；
Step 209, returns to management terminal if no mapping relations in database server abnormal；
Step 210, terminates..
In the present invention, calling for WebGis services comprises the steps：
Step 301, management terminal log in monitoring management server；
Step 302, monitoring management server carry out homepage data and load and call WebGis servers acquisition map to draw
The service of holding up；
Step 303, WebGis servers return engine map；
Engine map is embedded in homepage by step 304, monitoring management server；
Step 305, monitoring management server is to management terminal browser display homepage；
Step 306, management terminal use map related service；
Step 307, engine map are obtained and arrange the data needed for user operation；
Step 308, engine map call the service of WebGis servers；
Step 309, the service of WebGis servers return result；
Step 310, engine map are included result on browser interface；
Step 311, terminates.
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 is reported to monitoring management server set pocket transmission car-mounted terminal X；
Step 402, monitoring management server cluster elect a monitoring management server A, receive communication server M and send
Message；
Whether step 403, monitoring management server A have the mapping relations record of car-mounted terminal X in searching internal memory, if prison
The mapping relations record for not having car-mounted terminal X in the internal memory of keyholed back plate reason server A goes to step 404, otherwise goes to step 406；
Step 404, car-mounted terminal and the communication server mapping in the server of monitoring management server A searching data storehouse are closed
Be log, 405 are gone to step if the mapping relations for finding car-mounted terminal X are recorded, otherwise go to step 408；
Step 405, monitoring management server A load the mapping relations record into internal memory；
Step 406, monitoring management server A check that the mapping relations of car-mounted terminal X in internal memory are that car-mounted terminal X is corresponding
Whether communication server IP address is the address of the information reporting；
Step 407, if mapping relations correctly if go to step 409, otherwise go to step 408；
Step 408, monitoring management server A update the mapping relations of car-mounted terminal X in internal memory, and by new mapping relations
With stepping database server；
Step 409, terminates.
In the present invention, the flow process that the communication server is searched when sending instructions under monitoring management server comprises the steps：
Step 501, management terminal issue vehicle monitoring management instruction by browser administration interface to car-mounted terminal X；
Step 502, monitoring management server A search the IP ground with the communication server of car-mounted terminal X communication from internal memory
Location, goes to step 503 if the mapping relations for not having car-mounted terminal X in internal memory, otherwise goes to step 505；
Step 503, car-mounted terminal and communication server mapping table of the monitoring management server A from database server
The mapping relations of middle lookup car-mounted terminal X, go to step 510 if not, otherwise go to step 504；
Step 504, monitoring management server A load the mapping relations of car-mounted terminal X into internal memory；
Instruction is handed down to the corresponding communication services of car-mounted terminal X in mapping relations by step 505, monitoring management server A
Device；
Step 506, the communication server search the connection with car-mounted terminal X communication, if find going to step 509, otherwise turn
Step 507；
Step 507, if M does not find the connection with terminal communication in step 506, illustrates car-mounted terminal shutdown or breaks
Reconnect and be connected with other communication servers, the communication server will not exist to the return connection of monitoring management server different
Normal message；
Step 508, monitoring management server A receive after the exception of M is fed back and mapping relations are updated from database server,
510 are gone to step if the mapping relations for not having car-mounted terminal X in database server, 505 are otherwise gone to step；Setting one is heavy
Number of times is sent out, and 510 is directly gone to step if an instruction repetition for being sent to car-mounted terminal X sends more than the sending times；
Step 509, the instruction that communication server reception monitoring management server A is sent are carried out the encapsulation of wireless protocols
And find the connection with vehicle-mounted X and issue, go to step 511；
Step 510, returns to management terminal if no mapping relations in database server abnormal；
Step 511, terminates.
It is in the present invention, after reconnecting the communication server after car-mounted terminal X being connected with communication server M is gone offline, former
There are the mapping relations of car-mounted terminal X and communication server M in monitoring management server A, carry out the amendment of mapping relations, including
Following steps：
Step 601, car-mounted terminal X actively are initiated to reconnect request to the plateform system after going offline；
Step 602, distributes the request that communication server N receives car-mounted terminal X, and connection is disappeared in communication server cluster
Breath is sent to monitoring management server cluster；
Step 603, monitoring management server cluster distribution monitoring management server B receive the car that communication server N sends
The request message of mounted terminal X；
Step 604, monitoring management server B check the mapping relations for whether having car-mounted terminal X in oneself internal memory, if
607 are then gone to step, 605 are otherwise gone to step；
Step 605, monitoring management server B check that the mapping relations in database server either with or without car-mounted terminal X are remembered
Record, if then going to step 606, a newly-built car-mounted terminal X and the mapping relations with communication server N otherwise in internal memory,
And go to step 609；
Step 606, monitoring management server B reads the mapping relations record of car-mounted terminal X from database server will
Which is loaded into internal memory；
Whether step 607, monitoring management server B compare in internal memory the corresponding communication server IP address of car-mounted terminal X
It is communication server N, if it is goes to step 610, otherwise turns 608；
Step 608, monitoring management server B are updated in monitoring management server B itself with the IP address of communication server N
Deposit the mapping relations of middle car-mounted terminal X；
Step 609, monitoring management server B safeguard the mapping relations of car-mounted terminal X and communication server N into data base
Server；
Step 610, in safeguarding database server, mapping relations flow process terminates；
Step 611, when management terminal sends instructions under car-mounted terminal X, and is issued by monitoring management server A
When, as the mapping relations of car-mounted terminal X and communication server N are to be saved into database service by monitoring management server B
Device, so the mapping message safeguarded in the internal memory of A is still X- ＞ M, perform following steps；
Step 612, monitoring management server A search the mapping relations of car-mounted terminal X from internal memory, take out the communication server
The IP address of M, and instruction is sent to into communication server M；
Step 613, communication server M search the communication connection with car-mounted terminal X, find, without this connection, to return without this company
The unexpected message for connecing gives monitoring management server A；
Step 614, monitoring management server A are searched the mapping relations of car-mounted terminal X from database server and are updated
Mapping relations in monitoring management server A oneself internal memory；
Step 615, monitoring management server A are issued to the corresponding communication server N of car-mounted terminal X in new mapping relations
Instruction；
Step 616, communication server N receive the instruction of monitoring management server A and carry out the encapsulation of wireless protocols, subsequently
It is handed down to car-mounted terminal X;
Step 617, terminates.
Effectively multiple establishments that resource is consumed in system can be split using the framework stated by the present invention and be come, shape
Into components service-oriented one by one such as communication service, monitoring management service, WebGis services, while using computer cluster skill
Communication service and monitoring management service cluster are formed communication server cluster and monitoring management server cluster by art so that
During cluster is distributed in the calculating in these most cost sources, different computers is performed jointly, reaches the mesh of high concurrent and load balancing
's.
Beneficial effect：The present invention is by road vehicles monitoring console module so that in the face of different application demand when can be fast
Speed carries out secondary development, while flexible clustered deployment enables enterprise according to how many appropriate increases and decreases for monitoring vehicle
Hardware, maximizes company interest.
Following technical problem is solved for existing this motion of shortcoming
1. the factor of vehicle fleet size upgrading has been taken into full account in the present invention, has been divided by service-oriented design theory well
The interface between each logic module specification module is cut.When vehicle upgrading causes existing communication server resource or application
Server resource can be by increasing machine come lift system performance, without changing in cluster when cannot meet performance need
Existing hardware system and software system.
Due to the communication server using the design concept of SOA so he is loose coupling with the deployment scheme of cluster in realization
Close.User can select cluster deployment techniques according to site specific.The NLB cluster services that such as windows is carried,
32 servers can be disposed in same cluster at most.
2. loose coupling, inner sealing are designed by the design concept of service-oriented (SOA), and only mutually grasped by interface
The modular architecture of work.Change or have when new business needs and adds quickly enter on the basis of original when there is service needed
Row secondary development.
Description of the drawings
With reference to the accompanying drawings and detailed description the present invention is done and is further illustrated, the present invention's is above-mentioned
And/or otherwise advantage 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 issues job sequence figure for platform.
Fig. 5 is WebGis service call mode sequence chart.
Maintenance process figures of the Fig. 6 for mapping table.
Fig. 7 issues instruction flow chart for monitoring management server.
Fig. 8 mapping relations amendment flow charts.
Specific embodiment
As depicted in figs. 1 and 2, the present invention adopts service-oriented design theory, and communications are separated with Service control,
Management operation service and map are represented into logical separation, is devised with communication server platform, monitoring management platform, WebGis ground
System architecture scheme based on figure service platform.
The invention discloses a kind of road vehicles monitoring plateform system based on two server cluster, including data center,
Data center connects monitoring management server cluster and communication server cluster respectively, and the unification of monitoring management server cluster connects
Connect management terminal, communication server cluster unification connection car-mounted terminal；Wherein data center includes the WebGis clothes being connected with each other
Business device and database server；The communication server cluster includes the communication server of more than two, each communication service
Utensil has unique physical IP address, and communication server cluster fictionalizes a communication server cluster IP address；The monitoring
Management server cluster includes the monitoring management server of more than two, and each monitoring management server has unique physical IP
Address, monitoring management server cluster fictionalize a monitoring management server cluster IP address；The communication server cluster
For long linking communications link being set up with all car-mounted terminals, receive message that car-mounted terminal reports and according to wireless communication protocol
Context resolution is carried out, then the data after parsing are reported into monitoring management server cluster；Monitoring management server is received simultaneously
The terminal monitoring instruction that cluster is issued, and the encapsulation of wireless communication protocol is carried out to instruction, then it is handed down to car-mounted terminal；Each
Car-mounted terminal is set up the mapping relations of and communication server physical IP address and is preserved after being connected with a communication server
In database server, mapping relations are found when being used to send instructions under monitoring management server and are connected with target car-mounted terminal
The communication server；The monitoring management server cluster is used to process the car after communication server cluster is received and parsed through
Mounted terminal message, and the operational order that management terminal is issued to car-mounted terminal is processed, and according to car-mounted terminal and communication service
The mapping relations of device issue monitoring message to car-mounted terminal；The WebGis servers lead to for the request according to management terminal
Cross SOA interfaces engine map service is provided to management terminal；The database server preserve all car-mounted terminals with it is corresponding
The mapping table of the communication server, and store car-mounted terminal reporting message.
Communication server cluster：Due to adopting the wireless communication protocol in preventing road monitoring system between car-mounted terminal and platform more
With the form of long connection so resource pressure during platform incoming end faces great amount of terminals access simultaneously.So the present invention will communication
Mode of the functional independence out and using cluster is disposed.
Monitoring management server cluster：Monitoring management server is that car operation management unit carries out daily management and monitoring
Application service platform.Terminal message and send each to car-mounted terminal by communications platform that responsible process communications platform is reported
Plant maintenance and management instruction such as vehicle location information query, terminal alarms process, inquiry/terminal parameter etc. is set.This is flat
Platform is interacted with WebGis platforms, is represented Web maps by webpage, and is completed vehicle location, trace playback, set by SOA interfaces
Put the functions such as region.
WebGis servers：This platform is a map service platform, externally provides engine map clothes by SOA interfaces
Business, such as positions vehicle, calculates the amplification contracting of line length, defined area and zoning area and map according to longitude and latitude
The functions such as little, roaming, mark.
The physical structure of the present invention is as shown in Figure 2：
Monitoring management terminal is the PC computers that enterprise, governmental regulatory personnel carry out being used during vehicle/terminal management, management
Personnel carry out every management operation by the administration page that browser represents.
Modal split systematic function pressure of the present invention using cluster+Distributed Calculation, Clustering can be used
NLB NLB service (NLB) that windows2008 Server R2 are carried.
Server in each cluster has the physical IP address of oneself, and cluster service fictionalizes a cluster IP address,
The request point of service can be spread by the server into cluster by cluster IP address, the effect of load balancing is reached.
NLB clusters have three kinds of allocation strategies in the allocation model that multiserver processes request simultaneously：
Without similarity：The service request of client can be evenly distributed to each server in cluster, i.e., according to arrival
Different requests in the way of poll distribution server processed.
The communication server：The service request of client computer can be fixedly assigned to a certain portion's server in cluster.When being connected to visitor
During the request of family machine, NLB can determine to transfer to which server to process according to the IP of client computer, that is, a server
The request from some IP can only be processed.
Network（Class C）：Shielded to determine to transfer to which server to process according to the Class C of IP, that is, one
Server can only process the request from some network segments C.
Can be according to the deployment mode of two clusters of practical situation flexible arrangement during field deployment.
The sequential chart that car-mounted terminal reporting message is processed in the present invention is as shown in Figure 3：
Car-mounted terminal carries out registration logon operation, communication server collection to platform by communication server cluster IP address
Group sets up length with terminal according to the server in itself strategy distribution cluster and is connected.The communication server is by the message in message from logical
Parse backward monitoring management server cluster to initiate to call in letter agreement（Using the group of planes IP of monitoring management server cluster
Address）, monitoring management server cluster responded and processed to request using itself tactful distribution server.When the place for returning
Reason result is that terminal just can keep long connection to be led in real time with the particular server in the communication server cluster when logging in successfully
Letter.
Specifically, in the present invention, car-mounted terminal comprises the steps to communication server cluster reporting message：
Step 101, car-mounted terminal its it is dynamic after send authentication message；
Step 102, after authentication message reaches communication server cluster, communication server cluster distributes a communication clothes
Business device receives authentication message and carries out the unpacking process of wireless protocols, takes out the content in authentication message；
Authentication content after parsing is sent to monitoring management server cluster by step 103, the communication server；
Step 104, monitoring management server cluster are distributed a monitoring management server and receive message and processed；
Step 105, monitoring management server are set up according to the physical IP address of Termination ID and the communication server in message
Or car-mounted terminal and communication server IP mapping relations are updated, and mapping relations are stored in into database server；
Result is handed down to correspondence car-mounted terminal by the communication server by step 106, monitoring management server；
Step 107, car-mounted terminal keep length to be connected and using the length with the communication server elected in step 102
Connection carries out real-time messages with the road vehicles monitoring plateform system and interacts.
In the present invention, management terminal issues operational order to car-mounted terminal and comprises the steps：
Step 201, management terminal connect monitoring management server cluster by Internet-browser；
Step 202, monitoring management server cluster are distributed a monitoring management server A and are responsible for asking for response management terminal
Ask；
Step 203, management terminal issue vehicle monitoring management instruction by browser to car-mounted terminal X；
Step 204, monitoring management server A are searched from oneself internal memory and the communication server of car-mounted terminal X communication
IP address, goes to step 205 if the mapping relations for not having car-mounted terminal X in internal memory；If then going to step 207；
Step 205, monitoring management server A is from the mapping table of the car-mounted terminal and the communication server of database server
The mapping relations of car-mounted terminal X are searched, if going to step 206, step 209 is otherwise gone to；
Step 206, monitoring management server A load the mapping relations of car-mounted terminal X into internal memory；
Instruction is handed down to the corresponding communication services of car-mounted terminal X in mapping relations by step 207, monitoring management server A
Device；
Step 208, the communication server receive the instruction that monitoring management server A sends and are carried out the encapsulation of wireless protocols
And find the connection with car-mounted terminal X and issue, go to step 210；
Step 209, returns to management terminal if no mapping relations in database server abnormal；
Step 210, terminates..
It is as shown in Figure 4 that this platform issues vehicle management operation：
Management personnel log in monitoring management platform using browser, and monitoring management server cluster is distributed using inner strategy
One server is responded, and subsequently provides clothes to the browser client by the server within this browser session cycle
Business.When sending out instantly vehicle management message, monitoring management server is reflected by the car-mounted terminal and the communication server in internal memory
Penetrate relation and find the communication server communicated with target car-mounted terminal, if without mapping relations corresponding with the terminal in internal memory
Corresponding message is then extracted in the terminal from data base-communication server mapping table and is stored in internal memory, then instruction disappears
Breath is handed down to the server and carries out the encapsulation of wireless communication protocol, and the communication server completes just to be handed down to vehicle-mounted end after package is processed
End.
Specifically, management terminal issues operational order to car-mounted terminal and comprises the steps：
Step 201, management terminal connect monitoring management server cluster by Internet-browser；
Step 202, monitoring management server cluster are distributed a monitoring management server A and are responsible for asking for response management terminal
Ask；
Step 203, management terminal issue vehicle monitoring management instruction by browser to car-mounted terminal X；
Step 204, monitoring management server A are searched from oneself internal memory and the communication server of car-mounted terminal X communication
IP address, goes to step 205 if the mapping relations for not having car-mounted terminal X in internal memory；If then going to step 207；
Step 205, monitoring management server A is from the mapping table of the car-mounted terminal and the communication server of database server
The mapping relations of car-mounted terminal X are searched, if going to step 206, step 209 is otherwise gone to；
Step 206, monitoring management server A load the mapping relations of car-mounted terminal X into internal memory；
Instruction is handed down to the corresponding communication services of car-mounted terminal X in mapping relations by step 207, monitoring management server A
Device；
Step 208, the communication server receive the instruction that monitoring management server A sends and are carried out the encapsulation of wireless protocols
And find the connection with car-mounted terminal X and issue, go to step 210；
Step 209, returns to management terminal if no mapping relations in database server abnormal；
Step 210, terminates..
WebGis service call modes are as shown in Figure 5:
System homepage can be loaded the JS engines of WebGis into IE clients when loading on a web browser, when user uses
During the map functions such as vehicle location, trace playback, region setting, the JS engine maps of the page first can be obtained needed for these operations
Data, obtain monitor supervision platform data including from monitoring management server, then call the Map Services interface of WebGis servers
Map Services function is obtained, so as to the map for realizing correlation function represents and data interaction.
Specifically, what WebGis was serviced calls, and comprises the steps：
Step 301, management terminal log in monitoring management server；
Step 302, monitoring management server carry out homepage data and load and call WebGis servers acquisition map to draw
The service of holding up；
Step 303, WebGis servers return engine map；
Engine map is embedded in homepage by step 304, monitoring management server；
Step 305, monitoring management server is to management terminal browser display homepage；
Step 306, management terminal use map related service；
Step 307, engine map are obtained and arrange the data needed for user operation；
Step 308, engine map call the service of WebGis servers；
Step 309, the service of WebGis servers return result；
Step 310, engine map are included result on browser interface；
Step 311, terminates.
Need to find the communication server communicated with the terminal holding when monitoring management server sends instructions under, so
Can all there be a terminal-communication server mapping table in every monitoring management server memory.Due to monitoring management server
It is also possible to use cluster, so different terminal messages can reach different monitoring management clothes by the different communication servers
Business device, causes the mapping message on monitoring management server asynchronous.
The present invention by mapping relations are preserved to data base, monitoring management platform find in internal memory no map entry or
The mapping message that entry can be synchronously needed from data base when expired.
Shown in mapping table structure table 1
Table 1
Aggregat ion pheromones are carried out according to Termination ID facilitates monitoring management server to be made a look up according to particular terminal ID.
The maintenance process figure of mapping table is as shown in Figure 6：
Can analyze in message call when calling from what communication server cluster was sent when monitoring management server A is received
Communication server physical IP address and Termination ID, if although Termination ID find from data base in internal memory or not in internal memory it is right
The record answered during with stepping internal memory, checks what whether the corresponding relation of Termination ID and communication server physical IP was reported with this
Unanimously, update this mapping relations if inconsistent to record and with stepping data base.If not finding corresponding Termination ID,
Then the newly-built mapping relations of A are recorded and with stepping data base.
Specifically, mapping table is set up and the process of maintenance comprises the steps：
Step 401, the message that communication server M is reported to monitoring management server set pocket transmission car-mounted terminal X；
Step 402, monitoring management server cluster elect a monitoring management server A, receive communication server M and send
Message；
Whether step 403, monitoring management server A have the mapping relations record of car-mounted terminal X in searching internal memory, if prison
The mapping relations record for not having car-mounted terminal X in the internal memory of keyholed back plate reason server A goes to step 404, otherwise goes to step 406；
Step 404, car-mounted terminal and the communication server mapping in the server of monitoring management server A searching data storehouse are closed
Be log, 405 are gone to step if the mapping relations for finding car-mounted terminal X are recorded, otherwise go to step 408；
Step 405, monitoring management server A load the mapping relations record into internal memory；
Step 406, monitoring management server A check that the mapping relations of car-mounted terminal X in internal memory are that car-mounted terminal X is corresponding
Whether communication server IP address is the address of the information reporting；
Step 407, if mapping relations correctly if go to step 409, otherwise go to step 408；
Step 408, monitoring management server A update the mapping relations of car-mounted terminal X in internal memory, and by new mapping relations
With stepping database server；
Step 409, terminates.
The flow chart that the communication server is searched when sending instructions under monitoring management server is as shown in Figure 7：
When sending instructions under needs, monitoring management server can search communication corresponding with terminal from internal memory or data base
The map entry of server, to determine which platform communication server instruction is handed down to by this.Due to car-mounted terminal it sometimes appear that falling
The situation of platform is reconnected after line, at this moment terminal may connect other communication servers (such as communication server N), new group
The a certain server (such as server B) that the mapping relations built can pass through in monitoring management server cluster is updated into data base
In, as the mapping relations of car-mounted terminal X and communication server N are to be saved into database service by monitoring management server B
Device, so the mapping message safeguarded in the internal memory of A is still X- ＞ M, and in monitoring management server cluster, there was only the internal memory of B
In save newest mapping relations, so other monitoring management servers (such as server A) are to logical in former mapping relations
When telecommunications services device (such as communication server M) issues the monitoring instruction of terminal X, M does not find the connection with terminal communication, explanation
Car-mounted terminal is shut down or disconnection reconnecting is connected with other communication servers, at this moment A can obtain M returns without specifying
The abnormal reply of terminal, now needs to re-read the terminal map entry in data base, and re-issues instruction.Its mapping
Relation correction map is as shown in Figure 8.
Specifically, the flow process that the communication server is searched when sending instructions under monitoring management server comprises the steps：
Step 501, management terminal issue vehicle monitoring management instruction by browser administration interface to car-mounted terminal X；
Step 502, monitoring management server A search the IP ground with the communication server of car-mounted terminal X communication from internal memory
Location, goes to step 503 if the mapping relations for not having car-mounted terminal X in internal memory, otherwise goes to step 505；
Step 503, car-mounted terminal and communication server mapping table of the monitoring management server A from database server
The mapping relations of middle lookup car-mounted terminal X, go to step 510 if not, otherwise go to step 504；
Step 504, monitoring management server A load the mapping relations of car-mounted terminal X into internal memory；
Instruction is handed down to the corresponding communication services of car-mounted terminal X in mapping relations by step 505, monitoring management server A
Device；
Step 506, the communication server search the connection with car-mounted terminal X communication, if find going to step 509, otherwise turn
Step 507；
Step 507, the communication server will return connection to monitoring management server and there is no unexpected message；
Step 508, monitoring management server A receive after the exception of M is fed back and mapping relations are updated from database server,
510 are gone to step if the mapping relations for not having car-mounted terminal X in database server, 505 are otherwise gone to step；Setting one is heavy
Number of times is sent out, and 510 is directly gone to step if an instruction repetition for being sent to car-mounted terminal X sends more than the sending times；
Step 509, the instruction that communication server reception monitoring management server A is sent are carried out the encapsulation of wireless protocols
And find the connection with vehicle-mounted X and issue, go to step 511；
Step 510, returns to management terminal if no mapping relations in database server abnormal；
Step 511, terminates.
After the communication server is reconnected after the car-mounted terminal X being connected with communication server M is gone offline, former monitoring management clothes
There are the mapping relations of car-mounted terminal X and communication server M in business device A, carry out the amendment of mapping relations, comprise the steps：
Step 601, car-mounted terminal X actively are initiated to reconnect request to the plateform system after going offline；
Step 602, distributes the request that communication server N receives car-mounted terminal X, and connection is disappeared in communication server cluster
Breath is sent to monitoring management server cluster；
Step 603, monitoring management server cluster distribution monitoring management server B receive the car that communication server N sends
The request message of mounted terminal X；
Step 604, monitoring management server B check the mapping relations for whether having car-mounted terminal X in oneself internal memory, if
607 are then gone to step, 605 are otherwise gone to step；
Step 605, monitoring management server B check that the mapping relations in database server either with or without car-mounted terminal X are remembered
Record, if then going to step 606, a newly-built car-mounted terminal X and the mapping relations with communication server N otherwise in internal memory,
And go to step 609；
Step 606, monitoring management server B reads the mapping relations record of car-mounted terminal X from database server will
Which is loaded into internal memory；
Whether step 607, monitoring management server B compare in internal memory the corresponding communication server IP address of car-mounted terminal X
It is communication server N, if it is goes to step 610, otherwise turns 608；
Step 608, monitoring management server B are updated in monitoring management server B itself with the IP address of communication server N
Deposit the mapping relations of middle car-mounted terminal X；
Step 609, monitoring management server B safeguard the mapping relations of car-mounted terminal X and communication server N into data base
Server；
Step 610, in safeguarding database server, mapping relations flow process terminates；
Step 611, when management terminal sends instructions under car-mounted terminal X, and is issued by monitoring management server A
When, perform following steps；
Step 612, monitoring management server A search the mapping relations of car-mounted terminal X from internal memory, take out the communication server
The IP address of M, and instruction is sent to into communication server M；
Step 613, communication server M search the communication connection with car-mounted terminal X, find, without this connection, to return without this company
The unexpected message for connecing gives monitoring management server A；
Step 614, monitoring management server A are searched the mapping relations of car-mounted terminal X from database server and are updated
Mapping relations in monitoring management server A oneself internal memory；
Step 615, monitoring management server A are issued to the corresponding communication server N of car-mounted terminal X in new mapping relations
Instruction；
Step 616, communication server N receive the instruction of monitoring management server A and carry out the encapsulation of wireless protocols, subsequently
It is handed down to car-mounted terminal X;
Step 617, terminates.
The invention provides a kind of road vehicles monitoring plateform system based on two server cluster, implements the technology
The method and approach of scheme is a lot, and the above is only the preferred embodiment of the present invention, it is noted that for the art
Those of ordinary skill for, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these change
Enter and retouch also to should be regarded as protection scope of the present invention.In the present embodiment, clearly each ingredient not can use prior art to add
To realize.
Claims (6)
1. a kind of road vehicles monitoring plateform system based on two server cluster, it is characterised in that including data center, data
Center connects monitoring management server cluster and communication server cluster respectively, and monitoring management server cluster unifies connecting tube
Reason terminal, communication server cluster unification connection car-mounted terminal；
Wherein data center includes the WebGis servers being connected with each other and database server；
The communication server cluster includes the communication server of more than two, and each communication server has unique IP ground
Location, communication server cluster fictionalize a communication server cluster IP address；
The monitoring management server cluster includes the monitoring management server of more than two, and each monitoring management server has
Unique IP address, monitoring management server cluster fictionalize a monitoring management server cluster IP address；
The communication server cluster receives what car-mounted terminal was reported for setting up long connection communication link with all car-mounted terminals
Message simultaneously carries out Context resolution according to wireless communication protocol, then the data after parsing are reported monitoring management server cluster；
The terminal monitoring instruction that monitoring management server cluster is issued is received simultaneously, and to instructing the encapsulation for carrying out wireless communication protocol,
Then it is handed down to car-mounted terminal；Each car-mounted terminal sets up one with communication server IP ground after being connected with a communication server
The mapping relations of location are simultaneously stored in database server, mapping relations be used under monitoring management server finding when sending instructions with
The communication server that target car-mounted terminal is connected；
The monitoring management server cluster is used for car-mounted terminal of the process after communication server cluster is received and parsed through and disappears
Breath, and the operational order that management terminal is issued to car-mounted terminal is processed, and according to the mapping of car-mounted terminal and the communication server
Relation issues monitoring message to car-mounted terminal；
The WebGis servers provide engine map to management terminal by SOA interfaces for the request according to management terminal
Service；
The database server preserves the mapping table of all car-mounted terminals and the corresponding communication server, and stores car-mounted terminal
Reporting message；
Car-mounted terminal comprises the steps to communication server cluster reporting message：
Step 101, car-mounted terminal send authentication message after starting；
Step 102, after authentication message reaches communication server cluster, communication server cluster distributes a communication server
The unpacking for receiving authentication message and carrying out wireless protocols is processed, and takes out the content in authentication message；
Authentication content after parsing is sent to monitoring management server cluster by step 103, the communication server；
Step 104, monitoring management server cluster are distributed a monitoring management server and receive authentication content and located
Reason；
Step 105, monitoring management server are set up according to the IP address of Termination ID and the communication server in message or more new car
Mounted terminal and communication server IP mapping relations, and mapping relations are stored in into database server；
The result of step 104 is handed down to correspondence car-mounted terminal by the communication server by step 106, monitoring management server；
Step 107, car-mounted terminal keep length to be connected and connect using the length with the communication server being selected in step 102
Real-time messages are carried out with the road vehicles monitoring plateform system to interact.
2. a kind of road vehicles monitoring plateform system based on two server cluster according to claim 1, its feature exist
In management terminal issues operational order to car-mounted terminal and comprises the steps：
Step 201, management terminal connect monitoring management server cluster by Internet-browser；
Step 202, monitoring management server cluster distribute the request that a monitoring management server A is responsible for response management terminal；
Step 203, management terminal issue vehicle monitoring management instruction by browser to car-mounted terminal X；
Step 204, monitoring management server A search the IP ground with the communication server of car-mounted terminal X communication from oneself internal memory
Location, goes to step 205 if the mapping relations for not having car-mounted terminal X in internal memory；If then going to step 207；
Step 205, monitoring management server A are searched from the mapping table of the car-mounted terminal and the communication server of database server
The mapping relations of car-mounted terminal X, if going to step 206, otherwise go to step 209；
Step 206, monitoring management server A load the mapping relations of car-mounted terminal X into internal memory；
Instruction is handed down to the corresponding communication servers of car-mounted terminal X in mapping relations by step 207, monitoring management server A；
Step 208, the communication server receive the instruction that monitoring management server A sends and are carried out the encapsulation of wireless protocols and looked for
To the connection with car-mounted terminal X and issue, go to step 210；
Step 209, returns to management terminal if no mapping relations in database server abnormal；
Step 210, terminates.
3. a kind of road vehicles monitoring plateform system based on two server cluster according to claim 1, its feature exist
In calling for WebGis services comprises the steps：
Step 301, management terminal log in monitoring management server；
Step 302, monitoring management server carry out homepage data and load and call WebGis servers to obtain engine map clothes
Business；
Step 303, WebGis servers return engine map；
Engine map is embedded in homepage by step 304, monitoring management server；
Step 305, monitoring management server is to management terminal browser display homepage；
Step 306, management terminal use map related service；
Step 307, engine map are obtained and arrange the data needed for user operation；
Step 308, engine map call the service of WebGis servers；
Step 309, the service of WebGis servers return result；
Step 310, engine map are included the result of step 309 on browser interface；
Step 311, terminates.
4. a kind of road vehicles monitoring plateform system based on two server cluster according to claim 1, its feature exist
In mapping table is set up and the process of maintenance comprises the steps：
Step 401, the message that communication server M is reported to monitoring management server set pocket transmission car-mounted terminal X；
Step 402, monitoring management server cluster select a monitoring management server A, and what reception communication server M sent disappears
Breath；
Whether step 403, monitoring management server A have the mapping relations record of car-mounted terminal X in searching internal memory, if monitoring pipe
The mapping relations record for not having car-mounted terminal X in the internal memory of reason server A goes to step 404, otherwise goes to step 406；
Step 404, the car-mounted terminal and communication server mapping relations in the server of monitoring management server A searching data storehouse
Table, if the mapping relations for finding car-mounted terminal X are recorded goes to step 405, otherwise goes to step 408；
Step 405, monitoring management server A load the mapping relations record into internal memory；
Step 406, monitoring management server A check that the mapping relations of car-mounted terminal X in internal memory are the corresponding communications of car-mounted terminal X
Whether server ip address is the address of the information reporting；
Step 407, if mapping relations correctly if go to step 409, otherwise go to step 408；
Step 408, monitoring management server A update the mapping relations of car-mounted terminal X and the communication server in internal memory, and will be new
Mapping relations are with stepping database server；
Step 409, terminates.
5. a kind of road vehicles monitoring plateform system based on two server cluster according to claim 4, its feature exist
In the flow process that the communication server is searched when sending instructions under monitoring management server comprises the steps：
Step 501, management terminal issue vehicle monitoring management instruction by browser administration interface to car-mounted terminal X；
Step 502, monitoring management server A search the IP address with the communication server of car-mounted terminal X communication from internal memory, such as
The mapping relations for not having car-mounted terminal X in fruit internal memory then go to step 503, otherwise go to step 505；
Step 503, monitoring management server A are looked into from the car-mounted terminal and communication server mapping table of database server
The mapping relations of car-mounted terminal X are looked for, step 510 is gone to if not, otherwise go to step 504；
Step 504, monitoring management server A load the mapping relations of car-mounted terminal X into internal memory；
Instruction is handed down to the corresponding communication servers of car-mounted terminal X in mapping relations by step 505, monitoring management server A；
Step 506, the communication server search the connection with car-mounted terminal X communication, if find going to step 509, otherwise go to step
507；
Step 507, the communication server will return connection to monitoring management server and there is no unexpected message；
Step 508, monitoring management server A receives to update from database server after the exception of communication server M is fed back reflects
Relation is penetrated, 510 are gone to step if the mapping relations for not having car-mounted terminal X in database server, otherwise go to step 505；If
A sending times are put, is directly gone to step if an instruction repetition for being sent to car-mounted terminal X sends more than the sending times
510；
Step 509, the instruction that communication server reception monitoring management server A is sent are carried out the encapsulation of wireless protocols and are looked for
To the connection with vehicle-mounted X and issue, go to step 511；
Step 510, returns to management terminal abnormal；
Step 511, terminates.
6. a kind of road vehicles monitoring plateform system based on two server cluster according to claim 1, its feature exist
In, after reconnecting the communication server after car-mounted terminal X being connected with communication server M is gone offline, former monitoring management server A
In also have car-mounted terminal X and communication server M mapping relations, carry out the amendment of mapping relations, comprise the steps：
Step 601, car-mounted terminal X actively are initiated to reconnect request to the plateform system after going offline；
Step 602, distributes the request that communication server N receives car-mounted terminal X in communication server cluster, and please by reconnecting
Ask and be sent to monitoring management server cluster；
Step 603, monitoring management server cluster distribution monitoring management server B receive the vehicle-mounted end that communication server N sends
The reconnect request of end X；
Step 604, monitoring management server B check the mapping relations for whether having car-mounted terminal X in oneself internal memory, if then turning
Step 607, otherwise goes to step 605；
Step 605, monitoring management server B check that the mapping relations in database server either with or without car-mounted terminal X are recorded, such as
Fruit has, and goes to step 606, the mapping relations of a newly-built car-mounted terminal X and communication server N otherwise in internal memory, and goes to step
609；
Step 606, monitoring management server B read the mapping relations record of car-mounted terminal X from database server and are added
It is loaded into internal memory；
Step 607, during monitoring management server B compares internal memory, whether the corresponding communication server IP address of car-mounted terminal X is logical
Telecommunications services device N, if it is goes to step 610, otherwise turns 608；
Step 608, monitoring management server B are updated in monitoring management server B self EMS memory with the IP address of communication server N
The mapping relations of car-mounted terminal X；
Step 609, monitoring management server B safeguard the mapping relations of car-mounted terminal X and communication server N into database service
Device；
Step 610, in safeguarding database server, mapping relations flow process terminates；
Step 611, when management terminal is sent instructions under car-mounted terminal X by monitoring management server A, performs following steps；
Step 612, monitoring management server A search the mapping relations of car-mounted terminal X from internal memory, take out communication server M's
IP address, and instruction is sent to into communication server M；
Step 613, communication server M search the communication connection with car-mounted terminal X, find without this connection, what return connected without this
Unexpected message gives monitoring management server A；
Step 614, monitoring management server A are searched the mapping relations of car-mounted terminal X from database server and update monitoring
Mapping relations in management server A oneself internal memory；
Step 615, monitoring management server A are bristled with anger under the corresponding communication server N of car-mounted terminal X in new mapping relations
Order；
Step 616, communication server N receive the instruction of monitoring management server A and carry out the encapsulation of wireless protocols, subsequently issue
Give car-mounted terminal X；
Step 617, terminates.
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| CN105227908B (en) * | 2015-09-02 | 2018-08-28 | 武汉兴图新科电子股份有限公司 | A kind of In-vehicle networking video directing system and method |
| CN105430105B (en) * | 2016-01-05 | 2019-01-18 | 北京卓识达软件有限公司 | A kind of data processing method and system of car-mounted terminal |
| CN106302432B (en) * | 2016-08-11 | 2019-07-30 | 浙江吉利控股集团有限公司 | A kind of communication device and control method based on car networking |
| CN106302766A (en) * | 2016-08-22 | 2017-01-04 | 福建富士通信息软件有限公司 | The exchange method of a kind of vehicle management system and car-mounted terminal and system |
| CN108924194A (en) * | 2018-06-20 | 2018-11-30 | 北京车和家信息技术有限公司 | Car networking communication means, car networking is closed and data transmission system |
| CN111263329B (en) * | 2018-11-30 | 2021-06-22 | 华为技术有限公司 | Internet of vehicles communication method, distribution module, central server and regional server |
| CN112261580B (en) * | 2020-10-23 | 2021-12-21 | 四川长虹电器股份有限公司 | Geographic position-based service access method for vehicle-mounted terminal |
| CN115243340A (en) * | 2021-04-06 | 2022-10-25 | 杭州海康威视数字技术股份有限公司 | Equipment linkage method, system and device and electronic equipment |
| CN113220454A (en) * | 2021-05-17 | 2021-08-06 | 杭州圆点科技有限公司 | Internet of vehicles data acquisition, storage and query system and Internet of vehicles data query method |
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