CN108416122A - A kind of environmental pollution diffusion simulations system and method - Google Patents
A kind of environmental pollution diffusion simulations system and method Download PDFInfo
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- CN108416122A CN108416122A CN201810147875.2A CN201810147875A CN108416122A CN 108416122 A CN108416122 A CN 108416122A CN 201810147875 A CN201810147875 A CN 201810147875A CN 108416122 A CN108416122 A CN 108416122A
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Abstract
A kind of environmental pollution diffusion simulations system and method, Web server are sent to client layer after obtaining the data needed to data service layer inquiry and are shown according to the request at user browser end；The emulation server according to the mode that the simulation calculation at user browser end is asked be the request of the simulation calculation at user browser end is sent to emulation server through wireless communication control module and emulation server receive simulation calculation request after through wireless communication control module response message is sent to user browser end and indicates to receive the information；Mutual information in the prior art is effectively prevented in combination with other steps and is transferred to system operation increase confusion, is unable to reach the defect of system operation and the requirement of correct mutual information transmission.
Description
Technical field
The present invention relates to environmental pollution field of diffusion technologies, and in particular to a kind of environmental pollution diffusion simulations system and its side
Method.
Background technology
Traditional domestic and international main software for realizing water quality emulation mostly by data processing, scientific algorithm, analogue simulation and
The various water quality components of data visualization functional simulation, and by outputting and inputting file and other model cooperations.Software master
It is used for the simulation of the hydraulics, water quality and silt transmission in river, in water resource water management, Water Conservancy Works
Aspect is widely used, and achieves preferable simulation effect.
But above-mentioned simulation of water quality simulation software is due to its limitation, when being applied in sudden water pollution accident
Often encounter many problems：
(1) most simulation softwares are bulky, and single-unit operation speed is slow, and simulation efficiency is low, influences sudden water quality
The quick processing and reply of contamination accident；
(2) software function it is various, using it is complicated, be difficult to grasp comprehensively, it is desirable that user has higher hydraulics basis and knows
Knowledge and mathematical simulation professional knowledge, and the fraction work(of software is generally only used in the analysis work of sudden water pollution accident
Energy；
(3) software application is confined to single machine, i.e., its software operation, model construction, result displaying all can only in local progress,
It cannot achieve the application of networking；
(4) professional is needed to safeguard in terms of the maintenance and upgrade of software.
Then it is just proposed a kind of analog simulation and visualization service system of sudden water pollution accident, system uses
B/S (browser/server) Three Tiered Network Architecture is built, including data service layer, application service layer and client layer.Wherein：
(1) data service layer is responsible for storing, altogether for the relevant spatial data of sudden water pollution accident and attribute data
It enjoys and manages, including：
A. basic database:Including water quality data table, hydrographic data table, emergency information table, user message table etc.；
B. simulation data base:Including artificial tasks information table, simulation modular information table, simulation result information table, pollutant
Emission information table, Map Services information table, simulation model file table；
C. map data base:Tissue carried out to burst water quality accident correlation space data, including basic geological study vector data,
Raster Images data, contamination accident data.
2) application service layer is logical layer of the client layer (Web client) between data service layer, is responsible for main business
The realization of logic, including：
A.Web servers:For the request according to user browser end, the data for obtaining and needing are inquired to data service layer
After be sent to client layer and be shown；
B. emulation server:For being asked according to the simulation calculation at user browser end, realize to sudden water pollution thing
Therefore simulation calculation, obtain pollutant DIFFUSION PREDICTION concentration-time sequence, stored to emulation as Simulation result data
Database；
C.GIS servers:Map Services are realized using ArcGIS Server, and are supplied to client layer to make these services
With.
(3) client layer (also referred to as web client end layer), is realized by Flex technology, for completing map datum and business number
According to integration exhibition and human-computer interaction interrelated logic, simulation result data are presented to use with map and diagrammatic form
Family mainly provides following functional unit：
A. simulation result display unit:It realizes that dynamic of the Simulation result data in GIS map renders, realizes accident
The integrated exhibition in GIS map such as associated property data, including water quality data, hydrographic data, contaminant information, event information
Show, which includes pollutant dispersion ability simulation drawing and section pollutant concentration time series chart.
B. artificial tasks administrative unit, realizes the list management of artificial tasks, including creates, runs, stops, deleting, look into
It sees, issue the functions such as artificial tasks；Have simulation modular by selection and create artificial tasks, runs and calculate after editing parameter, fortune
It is checked after calculation as a result, as result meets the requirements, then carries out result publication, Simulation result data is stored to simulation result and is believed
Cease table；
C. simulation modular administrative unit:Realize the list management of simulation modular, including newly-built, editor, deletion simulation modular
Etc. functions, simulation modular is for deriving different artificial tasks；
Crucial in this way is that the realization of emulation server and the dynamic of simulation result view side render, wherein emulation server
Feature is the numerical simulation calculating for the sudden water pollution accident for supporting multitask, including hydrodynamics and calculation and water quality model
It calculates, obtains the predicted time sequence of pollutant concentration, stored to Simulation result data table with unified format and called for client layer
Display.The simulation result display unit of client layer utilizes WebGIS technologies, realizes diffusion of the Simulation result data in GIS map
Dynamic render, and realize burst water pollution event associated property data, including water quality data, hydrographic data, contaminant information,
The Overlapping display in GIS map such as event information.
Emulation server is asked according to the simulation calculation at user browser end, realizes the emulation to sudden water pollution accident
Simulation calculates, and user browser end is connected by wireless communication control module with emulation server, and the quantity of emulation server
It it is one, which is connected with an emulation server, and the emulation server described in this way is clear according to user
The mode of simulation calculation request at device end of looking at is that the simulation calculation at user browser end is asked hair through wireless communication control module
It send and response message is sent out through wireless communication control module after receiving simulation calculation request to emulation server and emulation server
User browser end is given to indicate to receive the information, through wireless communication control module by the simulation calculation at user browser end
Request is sent to emulation server and emulation server receives after simulation calculation is asked through wireless communication control module response
Information is sent to user browser end and is formed between user browser end and emulation server to indicate to receive the information
Mutual information transmission, mutual information between user browser end and emulation server transmits usually through by the following method：
1. the method via one-to-one transmission executes single pair uniport, during mutual information is transmitted, user browser end
Quantity it is many, user browser end obtain emulation server message information must usually be in waiting state, message information
Promptness cannot be guaranteed；
2. executing single pair via the method for mass-sending to transmit, during mutual information is transmitted, emulation server can be report more
Literary information is transmitted to several user browser ends, and whole completeness cannot be guaranteed, message information usually occurs and loses phenomenon.In existing
System operation during, this two classes mutual information at emulation server and user browser end be transferred to system operation increase it is mixed
Disorderly, it is unable to reach the requirement of system operation and the transmission of correct mutual information.So, it would be highly desirable to give the message information of a kind of safety
Transfer mode, can i.e. can ensure that transmission timely and message information transmission globality.
Invention content
To solve the above problems, the present invention provides a kind of environmental pollution diffusion simulations system and method, effectively avoid
Mutual information is transferred to system operation and increases chaotic in the prior art, is unable to reach system operation and is passed with correct mutual information
The transmission defect of defeated requirement.
A kind of environmental pollution diffusion simulations system and method in order to overcome the deficiencies in the prior art, the present invention provides
Solution, it is specific as follows：
A kind of method of environmental pollution diffusion simulations system, Web server is according to the request at user browser end, to data
Client layer is sent to after the data that service layer's inquiry acquisition needs to be shown；
The emulation server is to control mould through wireless telecommunications according to the mode that the simulation calculation at user browser end is asked
The simulation calculation request at user browser end is sent to emulation server by block and emulation server receives simulation calculation request
Response message is sent to user browser end to indicate to receive the information, through wireless telecommunications by wireless communication control module
The simulation calculation request at the user browser end is sent to emulation server by control module and emulation server receives emulation
Response message is sent to user browser end to indicate to receive simulation calculation through wireless communication control module after computation requests
Request is formed the transmission of the mutual information between user browser end and emulation server；
Mutual information transmission between user browser end and emulation server includes the following steps：
S1；Emulation server is with wireless communication control module structure in face of the link of transmission control protocol, wireless telecommunications control
Molding block is with several user browser ends structure in face of the link of transmission control protocol；
S2：Emulation server transmits purpose at user browser end to be responded as through assigning in several user browser ends
Response message is transmitted to wireless communication control module by ground；
Emulation server transmits destination at user browser end to be responded as through assigning in several user browser ends, connects
It emulation server and the message information that inquiry could transmit is transmitted to wireless communication control module, until returning to time that can be transmitted
Ying Hou builds the memory block of interim storage response message, response message is transferred to wirelessly according to the mode of transmission control protocol
Communication control module；The response message that wireless communication control module transmits emulation server executes correctness monitoring, determines
After correct, emulation server is transmitted towards wireless communication control module to be indicated to transmit errorless message information；
S3：If the number at user browser end as a purpose is not less than limit value one or the length of response message
Not less than limit value two, it is transferred to step S4, just takes method for group sending；If the user browser end number of fruit as a purpose is little
It is not more than limit value two in the length of limit value one or response message, proceeds to step S7, just take one-to-one transfer mode；
Step S4：Obtained response message is divided into several message segments by wireless communication control module, message segment
The user browser end being transferred to as a purpose is mass-sended after being manipulated so the message information according to User Datagram Protocol agreement；
Response message is mass-sended via the method for mass-sending User Datagram Protocol towards the total user browser end in link；
Before transmitting response message, user browser end it is understood that transmit element, including the length of response message, read or
Write permission, response message ID, storage address, group sending network address, mass-sending ID, they can be divided into several times through wireless telecommunications control
Molding block is sent out, and also can disposably be sent out；User browser end get sequentially reach after response message response message structure,
Read or write permission detection, storage address detection, the such operation in group sending network address, with this realize wireless communication control module with
User browser end is parallel；
Wireless communication control module is divided into all response messages according to memory block capacity and is sent into memory field several times,
Assembling is executed according to the message information of User Datagram Protocol for the response message of each memory block, for all assembled
The message information of User Datagram Protocol executes the total user browser end that the mode mass-sended is transmitted in link；
Step S5：User browser end as a purpose executes report to the message information of the User Datagram Protocol of acquisition
The loss of literary information monitors, and the loss rate of message information response to wireless communication control module；Wireless communication control module
The loss rate of message information is calculated, if the loss rate of message information is not less than limit value three, step S4 is just rotated into and carrys out then group
Hair transmits the message information according to User Datagram Protocol；If limit value three is more than the loss rate of message information, wirelessly
Communication control module respectively faces to attend by the target user's browser end for losing message information, connects loss message information is corresponding
It according to the one-to-one user browser end being transmitted to accordingly as a purpose of the message information of transmission control protocol；
User browser end can ceaselessly get the message information according to User Datagram Protocol and be held to message information
The loss of row message information monitors.User browser end continues to monitor the message information according to User Datagram Protocol of acquisition,
The message content carried in message information according to User Datagram Protocol is deposited into memory block, also refreshes and obtains sequence；It attends by
Information transmission in memory block terminates, and user browser end must synchronize to get in memory block has do not refresh for what information,
It is exactly which is lost according to the message information of User Datagram Protocol during the transmission of the internal counterfoil of memory block, is built with this
The loss sequence of the message information of itself；
Wireless communication control module concentrates the dropout of the message information at user browser end all as a purpose,
The loss rate for calculating all message informations compares it with limit value three；
Wireless communication control module can in the information in a memory block transmit after all user browsers of sequential query
The acquisition situation at end and the message information for transmitting loss again by requirement.User browser end is responded by the message information of loss
To wireless communication control module.Step S6：The message information according to User Datagram Protocol is examined at user browser end, if inspection
It tests out of question, just completes to examine, if inspection is problematic, just allows user browser end to respond wireless communication control module and ask
The message information of topic, wireless communication control module transmit the problematic message information according to User Datagram Protocol again according to
The user browser end is passed to according to transmission control protocol is one-to-one；
Step S7：Wireless communication control module is sent to the message information got according to transmission control protocol is one-to-one
Each user browser end, with regard to this completion.
The check system includes even-odd check or hamming code check.
A kind of environmental pollution diffusion simulations system, system include application service layer；Wherein：
2) application service layer is logical layer of the client layer (Web client) between data service layer, is responsible for main business
The realization of logic, including：
A.Web servers:For the request according to user browser end, the data for obtaining and needing are inquired to data service layer
After be sent to client layer and be shown；
User browser end is connected by wireless communication control module with emulation server, the number of wireless communication control module
Amount is one, and user browser end quantity is several, that is, wireless communication module connects with several user browser ends
It connects, and the quantity of emulation server is one, which is connected with an emulation server.
Beneficial effects of the present invention are：
One-to-one transfer mode, information correctness is good, in user browser end number is few or the length of response message
Take one-to-one mode waiting period short when degree is little.The transmission more than single pair is mass-sended, synchronous to transmit, rate is fast, in user
When browser end number is much or the length of response message is not small, it can more express promptness, and mass-send so that response message
The defect that correctness damages is disposed in following mode back warp by transfer mode again.Limit value one is after experiencing with limit value two
Numerical value is obtained, the numerical value after experience can be relied on to change.Message information corresponding message of the wireless communication control module loss
Segment is transferred to the user browser end according to the one-to-one of transmission control protocol again；For the message information of loss, just adopt
It is transmitted with one-to-one mode, the incorrect defect of message information caused by avoiding mass-sending with this.
Description of the drawings
Fig. 1 is the principle schematic of the environmental pollution diffusion simulations system of the present invention.
Specific implementation mode
The present invention is described further below in conjunction with drawings and examples.
As shown in Figure 1, the method for environmental pollution diffusion simulations system, Web server according to the request at user browser end,
Client layer is sent to after obtaining the data needed to data service layer inquiry to be shown；
The emulation server is to control mould through wireless telecommunications according to the mode that the simulation calculation at user browser end is asked
The simulation calculation request at the user browser end is sent to emulation server by block and emulation server receives user browsing
Response message is sent to user browser end to indicate to receive through wireless communication control module after the simulation calculation request at device end
To the information, the simulation calculation request at the user browser end is sent to emulation server through wireless communication control module and is imitated
True server receive the user browser end simulation calculation request after response message is sent through wireless communication control module
To user browser end come indicate to receive the simulation calculation request at the user browser end be formed user browser end with
Mutual information transmission between emulation server；
Mutual information transmission between user browser end and emulation server includes the following steps：
S1；Emulation server is with wireless communication control module structure in face of the link of transmission control protocol, wireless telecommunications control
Molding block is with several user browser ends structure in face of the link of transmission control protocol；
S2：Emulation server transmits purpose at user browser end to be responded as through assigning in several user browser ends
Response message is transmitted to wireless communication control module by ground；
Emulation server transmits destination at user browser end to be responded as through assigning in several user browser ends, connects
It emulation server and the message information that inquiry could transmit is transmitted to wireless communication control module, until returning to time that can be transmitted
Ying Hou builds the memory block of interim storage response message, response message is transferred to wirelessly according to the mode of transmission control protocol
Communication control module；The response message that wireless communication control module transmits emulation server executes correctness monitoring, determines
After correct, emulation server is transmitted towards wireless communication control module to be indicated to transmit errorless message information；
S3：If the number at user browser end as a purpose is not less than limit value one or the length of response message
Not less than limit value two, it is transferred to step S4, just takes method for group sending；If the user browser end number of fruit as a purpose is little
It is not more than limit value two in the length of limit value one or response message, proceeds to step S7, just take one-to-one transfer mode；
One-to-one transfer mode, information correctness is good, in user browser end number is few or the length of response message
Take one-to-one mode waiting period short when degree is little.The transmission more than single pair is mass-sended, synchronous to transmit, rate is fast, in user
When browser end number is much or the length of response message is not small, it can more express promptness, and mass-send so that response message
The defect that correctness damages is disposed in following mode back warp by transfer mode again.Limit value one is after experiencing with limit value two
Numerical value is obtained, the numerical value after experience can be relied on to change.
Step S4：Obtained response message is divided into several message segments by wireless communication control module, message segment
The user browser end being transferred to as a purpose is mass-sended after being manipulated so the message information according to User Datagram Protocol agreement；
Response message is mass-sended via the method for mass-sending User Datagram Protocol towards the total user browser end in link；
Before transmitting response message, user browser end it is understood that transmit element, including the length of response message, read or
Write permission, response message ID, storage address, group sending network address, mass-sending ID, they can be divided into several times through wireless telecommunications control
Molding block is sent out, and also can disposably be sent out；User browser end get sequentially reach after response message response message structure,
Read or write permission detection, storage address detection, the such operation in group sending network address, with this realize wireless communication control module with
User browser end is parallel；
Wireless communication control module is divided into all response messages according to memory block capacity and is sent into memory field several times,
Assembling is executed according to the message information of User Datagram Protocol for the response message of each memory block, for all assembled
The message information of User Datagram Protocol executes the total user browser end that the mode mass-sended is transmitted in link；
Step S5：User browser end as a purpose executes report to the message information of the User Datagram Protocol of acquisition
The loss of literary information monitors, and the loss rate of message information response to wireless communication control module；Wireless communication control module
The loss rate of message information is calculated, if the loss rate of message information is not less than limit value three, step S4 is just rotated into and carrys out then group
Hair transmits the message information according to User Datagram Protocol；If limit value three is more than the loss rate of message information, wirelessly
Communication control module respectively faces to attend by the target user's browser end for losing message information, connects loss message information is corresponding
It according to the one-to-one user browser end being transmitted to accordingly as a purpose of the message information of transmission control protocol；
User browser end can ceaselessly get the message information according to User Datagram Protocol and be held to message information
The loss of row message information monitors.User browser end continues to monitor the message information according to User Datagram Protocol of acquisition,
The message content carried in message information according to User Datagram Protocol is deposited into memory block, also refreshes and obtains sequence；It attends by
Information transmission in memory block terminates, and user browser end must synchronize to get in memory block has do not refresh for what information,
It is exactly which is lost according to the message information of User Datagram Protocol during the transmission of the internal counterfoil of memory block, is built with this
The loss sequence of the message information of itself；
Wireless communication control module concentrates the dropout of the message information at user browser end all as a purpose,
The loss rate for calculating all message informations compares it with limit value three；Limit value three is to obtain numerical value after experiencing, and can be relied on
Numerical value after experience changes.
Wireless communication control module can in the information in a memory block transmit after all user browsers of sequential query
The acquisition situation at end and the message information for transmitting loss again by requirement.User browser end is responded by the message information of loss
To wireless communication control module.Wireless communication control module is the corresponding message segment of message information of loss again according to transmission
The one-to-one of control protocol is transferred to the user browser end；For the message information of loss, just transmitted using one-to-one mode,
The incorrect defect of message information caused by avoiding mass-sending with this.
Step S6：The message information according to User Datagram Protocol is examined at user browser end, if inspection is out of question, just
It completes to examine, if inspection is problematic, user browser end is just allowed to respond the problematic message letter of wireless communication control module
Breath, wireless communication control module are controlled according to transmission again the problematic message information according to User Datagram Protocol is transmitted
Agreement is one-to-one to pass to the user browser end；
The check system includes even-odd check or hamming code check；
Step S7：Wireless communication control module is sent to the message information got according to transmission control protocol is one-to-one
Each user browser end, with regard to this completion.
The present embodiment has the beneficial effect that：
One-to-one transfer mode, information correctness is good, in user browser end number is few or the length of response message
Take one-to-one mode waiting period short when degree is little.The transmission more than single pair is mass-sended, synchronous to transmit, rate is fast, in user
When browser end number is much or the length of response message is not small, it can more express promptness, and mass-send so that response message
The defect that correctness damages is disposed in following mode back warp by transfer mode again.Limit value one is after experiencing with limit value two
Numerical value is obtained, the numerical value after experience can be relied on to change.Message information corresponding message of the wireless communication control module loss
Segment is transferred to the user browser end according to the one-to-one of transmission control protocol again；For the message information of loss, just adopt
It is transmitted with one-to-one mode, the incorrect defect of message information caused by avoiding mass-sending with this.
A kind of environmental pollution diffusion simulations system, system are built using B/S (browser/server) Three Tiered Network Architecture,
Including data service layer, application service layer and client layer；Wherein：
(1) data service layer is responsible for storing, altogether for the relevant spatial data of sudden water pollution accident and attribute data
It enjoys and manages, including：
A. basic database:Including water quality data table, hydrographic data table, emergency information table, user message table etc.；
B. simulation data base:Including artificial tasks information table, simulation modular information table, simulation result information table, pollutant
Emission information table, Map Services information table, simulation model file table；
C. map data base:Tissue carried out to burst water quality accident correlation space data, including basic geological study vector data,
Raster Images data, contamination accident data.
2) application service layer is logical layer of the client layer (Web client) between data service layer, is responsible for main business
The realization of logic, including：
A.Web servers:For the request according to user browser end, the data for obtaining and needing are inquired to data service layer
After be sent to client layer and be shown；
B. emulation server:For being asked according to the simulation calculation at user browser end, realize to sudden water pollution thing
Therefore simulation calculation, obtain pollutant DIFFUSION PREDICTION concentration-time sequence, stored to emulation as Simulation result data
Database；
C.GIS servers:Map Services are realized using ArcGIS Server, and are supplied to client layer to make these services
With.
(3) client layer (also referred to as web client end layer), is realized by Flex technology, for completing map datum and business number
According to integration exhibition and human-computer interaction interrelated logic, simulation result data are presented to use with map and diagrammatic form
Family mainly provides following functional unit：
A. simulation result display unit:It realizes that dynamic of the Simulation result data in GIS map renders, realizes accident
The integrated exhibition in GIS map such as associated property data, including water quality data, hydrographic data, contaminant information, event information
Show, which includes pollutant dispersion ability simulation drawing and section pollutant concentration time series chart.
B. artificial tasks administrative unit, realizes the list management of artificial tasks, including creates, runs, stops, deleting, look into
It sees, issue the functions such as artificial tasks；Have simulation modular by selection and create artificial tasks, runs and calculate after editing parameter, fortune
It is checked after calculation as a result, as result meets the requirements, then carries out result publication, Simulation result data is stored to simulation result and is believed
Cease table；
C. simulation modular administrative unit:Realize the list management of simulation modular, including newly-built, editor, deletion simulation modular
Etc. functions, simulation modular is for deriving different artificial tasks；
Crucial in this way is that the realization of emulation server and the dynamic of simulation result view side render, wherein emulation server
Feature is the numerical simulation calculating for the sudden water pollution accident for supporting multitask, including hydrodynamics and calculation and water quality model
It calculates, obtains the predicted time sequence of pollutant concentration, stored to Simulation result data table with unified format and called for client layer
Display.The simulation result display unit of client layer utilizes WebGIS technologies, realizes diffusion of the Simulation result data in GIS map
Dynamic render, and realize burst water pollution event associated property data, including water quality data, hydrographic data, contaminant information,
The Overlapping display in GIS map such as event information.
User browser end is connected by wireless communication control module with emulation server, the number of wireless communication control module
Amount is one, and user browser end quantity is several, that is, wireless communication module connects with several user browser ends
It connects, and the quantity of emulation server is one, which is connected with an emulation server.
The present invention is described in a manner of description of the drawings above, it will be understood by those of skill in the art that the disclosure
It is not limited to embodiments described above, in the case of without departing from the scope of the present invention, can make a variety of changes, change and replace
It changes.
Claims (3)
1. a kind of method of environmental pollution diffusion simulations system, which is characterized in that Web server is asked according to user browser end
It asks, being sent to client layer after obtaining the data needed to data service layer inquiry is shown；
The emulation server is according to the mode that the simulation calculation at user browser end is asked will through wireless communication control module
The simulation calculation request at user browser end is sent to emulation server and emulation server passes through after receiving simulation calculation request
Response message is sent to user browser end to indicate to receive the information by wireless communication control module, is controlled through wireless telecommunications
The simulation calculation request at the user browser end is sent to emulation server by module and emulation server receives simulation calculation
Response message is sent to user browser end to indicate to receive simulation calculation request through wireless communication control module after request
The mutual information transmission being formed between user browser end and emulation server；
Mutual information transmission between user browser end and emulation server includes the following steps：
S1；For emulation server with wireless communication control module structure in face of the link of transmission control protocol, wireless telecommunications control mould
Block is with several user browser ends structure in face of the link of transmission control protocol；
S2：Emulation server transmits destination at user browser end to be responded as through assigning in several user browser ends,
Response message is transmitted to wireless communication control module；
Emulation server transmits destination at user browser end to be responded as through assigning in several user browser ends, then imitates
True server transmits wireless communication control module the message information that inquiry could transmit, until returning to the response that can be transmitted
Afterwards, response message, is transferred to channel radio by the memory block for building interim storage response message according to the mode of transmission control protocol
Interrogate control module；The response message that wireless communication control module transmits emulation server executes correctness monitoring, determines just
After really, emulation server is transmitted towards wireless communication control module to be indicated to transmit errorless message information；
S3：If the number at user browser end as a purpose is not small not less than the length of limit value one or response message
In limit value two, it is transferred to step S4, just takes method for group sending；If the user browser end number of fruit as a purpose is no more than limit
The length of definite value one or response message is not more than limit value two, proceeds to step S7, just takes one-to-one transfer mode；
Step S4：Obtained response message is divided into several message segments by wireless communication control module, and message segment is disposed
It is transferred to user browser end as a purpose at mass-sending after the message information according to User Datagram Protocol agreement；
Response message is mass-sended via the method for mass-sending User Datagram Protocol towards the total user browser end in link；
Before transmitting response message, user browser end is it is understood that the element transmitted, including the length of response message, reads or writes power
Limit, response message ID, storage address, group sending network address, mass-sending ID, they can be divided into controls mould through wireless telecommunications several times
Block is sent out, and also can disposably be sent out；User browser end get sequentially reach response message structure after response message, read or
Write permission detection, storage address detection, the such operation in group sending network address, wireless communication control module and user are realized with this
Browser end is parallel；
Wireless communication control module is divided into all response messages according to memory block capacity and is sent into memory field several times, for
The response message of each memory block executes assembling according to the message information of User Datagram Protocol, for all assembled users
The message information of datagram protocol executes the total user browser end that the mode mass-sended is transmitted in link；
Step S5：User browser end as a purpose executes message letter to the message information of the User Datagram Protocol of acquisition
The loss of breath monitors, and the loss rate of message information response to wireless communication control module；Wireless communication control module calculates
The loss rate of message information just rotates into step S4 then to mass-send biography if the loss rate of message information is not less than limit value three
Pass the message information according to User Datagram Protocol；If limit value three is more than the loss rate of message information, wireless telecommunications
Control module respectively face attend by lose message information target user's browser end, loss message information it is corresponding then according to
According to the one-to-one user browser end being transmitted to accordingly as a purpose of the message information of transmission control protocol；
User browser end can ceaselessly get the message information according to User Datagram Protocol and execute report to message information
The loss of literary information monitors.User browser end continues to monitor the message information according to User Datagram Protocol of acquisition, according to
Memory block is deposited into according to the message content carried in the message information of User Datagram Protocol, also refreshes and obtains sequence；Attend by memory
Information transmission in block terminates, and user browser end must synchronize to get in memory block has do not refresh for what information, that is,
Which is lost according to the message information of User Datagram Protocol during the transmission of the internal counterfoil of memory block, itself is built with this
Message information loss sequence；
Wireless communication control module concentrates the dropout of the message information at user browser end all as a purpose, calculates
The loss rate of all message informations compares it with limit value three；
Wireless communication control module can after the information in a memory block is transmitted sequential query all user browser ends
It obtains situation and transmits the message information of loss again by requirement.User browser end is the message information of loss response to nothing
Line communication control module.Step S6：The message information according to User Datagram Protocol is examined at user browser end, is not had if examined
Problem is just completed to examine, if inspection is problematic, user browser end is just allowed to respond the problematic of wireless communication control module
Message information, wireless communication control module is the problematic message information according to User Datagram Protocol of transmission again according to biography
Transport control protocol view is one-to-one to pass to the user browser end；
Step S7：Wireless communication control module the message information got according to transmission control protocol it is one-to-one be sent to it is each
User browser end, with regard to this completion.
2. the method for environmental pollution diffusion simulations system according to claim 1, which is characterized in that the check system packet
Include even-odd check or hamming code check.
3. environmental pollution diffusion simulations system according to claim 1, which is characterized in that system includes application service layer；
Wherein：
2) application service layer is logical layer of the client layer (Web client) between data service layer, is responsible for main business logic
Realization, including：
A.Web servers:For the request according to user browser end, sent out after inquiring the data for obtaining and needing to data service layer
Client layer is given to be shown；
User browser end is connected by wireless communication control module with emulation server, and the quantity of wireless communication control module is
One, user browser end quantity is several, that is, a wireless communication module connect with several user browser ends, and
The quantity of emulation server is one, which is connected with an emulation server.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708245A (en) * | 2012-05-09 | 2012-10-03 | 浙江大学 | Sudden water pollution accident analog simulation and visualization service system |
| CN105162868A (en) * | 2015-09-18 | 2015-12-16 | 华中师范大学 | Method for reliably transmitting data between teacher end and student end |
| EP3016431A1 (en) * | 2013-06-26 | 2016-05-04 | Samsung Electronics Co., Ltd. | Method and device for transmitting data |
| CN107277129A (en) * | 2017-06-15 | 2017-10-20 | 北京睿至大数据有限公司 | Cloud storage platform and cloud storage terminal |
| CN107302572A (en) * | 2017-06-15 | 2017-10-27 | 北京睿至大数据有限公司 | A kind of framework method of cloud Surveillance center |
| CN107635367A (en) * | 2017-09-18 | 2018-01-26 | 江苏海事职业技术学院 | A kind of computer tests system and method |
-
2018
- 2018-02-13 CN CN201810147875.2A patent/CN108416122A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708245A (en) * | 2012-05-09 | 2012-10-03 | 浙江大学 | Sudden water pollution accident analog simulation and visualization service system |
| EP3016431A1 (en) * | 2013-06-26 | 2016-05-04 | Samsung Electronics Co., Ltd. | Method and device for transmitting data |
| CN105162868A (en) * | 2015-09-18 | 2015-12-16 | 华中师范大学 | Method for reliably transmitting data between teacher end and student end |
| CN107277129A (en) * | 2017-06-15 | 2017-10-20 | 北京睿至大数据有限公司 | Cloud storage platform and cloud storage terminal |
| CN107302572A (en) * | 2017-06-15 | 2017-10-27 | 北京睿至大数据有限公司 | A kind of framework method of cloud Surveillance center |
| CN107635367A (en) * | 2017-09-18 | 2018-01-26 | 江苏海事职业技术学院 | A kind of computer tests system and method |
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