CN109117268A - A kind of implementation method and device of mill control system communication middleware - Google Patents
A kind of implementation method and device of mill control system communication middleware Download PDFInfo
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- CN109117268A CN109117268A CN201810805096.7A CN201810805096A CN109117268A CN 109117268 A CN109117268 A CN 109117268A CN 201810805096 A CN201810805096 A CN 201810805096A CN 109117268 A CN109117268 A CN 109117268A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5011—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals
- G06F9/5016—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals the resource being the memory
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/544—Buffers; Shared memory; Pipes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/546—Message passing systems or structures, e.g. queues
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Abstract
The invention discloses the implementation methods and device of a kind of mill control system communication middleware, it is related to the communication scheme technical field of control system in intermetallic composite coating, which comprises the first shared section key, the second shared section key, third shared section key are obtained according to function or purposes；First shared drive is divided into and sends shared section key and reception shared section key；According to P connection for sending message data, the transmission shared drive is divided into M the first shared drives and sends child partition, the reception shared drive divides into N number of first shared drive and receives child partition；The M the first shared drives are sent into child partitions, N number of first shared drive receive child partition using message data round-robin queue data structure mode to the message data join the team and team is managed out, realize the deposit, reading and data protection of the message data.Shared drive classification can be carried out by different function by having reached, and improve treatment effeciency, technical effect easy to use.
Description
Technical field
The present invention relates to the communication scheme technical fields of control system in intermetallic composite coating, in particular to a kind of milling train control system
The implementation method and device of system communication middleware.
Background technique
Currently, metal rolled production line belongs to increasingly automated production line, wherein Secondary process control system is rolling work
The key link that skill automatically controls, it is necessary to have the communication between different hosts, field instrument.In the exploitation of Process Control System
Cheng Zhong improves system for the interaction difficulty for reducing different user task process and underlying operating system in Process Control System
It is portable, it is necessary to develop reusable communication middleware module.Current variant mill control system be based on different purposes and
Rolling line device configuration develops targeted communication system, is responsible for user task process and provides Base communication service.Mesh
Before have several common methods.First method sends connection for the message of current hosts and receives the message data of connection
Individual memory field is respectively set in storage management.User task process submits message to send request, and it is pending to send memory field label
After sending state, message to send, sends memory field and mark new message status to be received；It receives memory field and receives external system message
Afterwards, deposit receives memory field, labeled as reading state is waited, the message of memory field is extracted and submits to user task process
Afterwards, memory field is labeled as wait-to-put status；Second method has carried out list to different connections on the basis of first method
Only memory partitioning management, improves processing speed and efficiency to a certain extent.
But present inventor during technical solution, has found the above-mentioned prior art extremely in realizing the embodiment of the present application
It has the following technical problems less:
Communication means in the prior art cannot carry out partition management by function, affect efficiency to a certain extent, influence
The requirement of real-time control of system, and message data size is handled using fixed length maximum byte, causes the technology of system resource waste
Problem.
Summary of the invention
The present invention provides the implementation methods and device of a kind of mill control system communication middleware, to solve existing skill
Communication means in art cannot carry out partition management by function, influence the requirement of real-time control of efficiency and system, and message data
The technical issues of size is handled using fixed length maximum byte, causes system resource waste, having reached can be total to by different function
Memory classification is enjoyed, treatment effeciency, technical effect easy to use are improved.
The present invention provides a kind of implementation methods of mill control system communication middleware, which comprises according to function
Energy or purposes obtain the first shared section key, the second shared section key, third shared section key, wherein described first is shared interior
Deposit area, the second shared section key, third shared section key are respectively provided with specific function or purposes；By first shared drive
It divides into and sends shared section key and reception shared section key, wherein the transmission shared section key is that host sends message number
According to first send storage management area, it is described receive shared section key be host receive message data first receive storage management
Area；According to P connection for sending message data, the transmission shared drive is divided into M the first shared drives and sends son point
Area, the reception shared drive divide into N number of first shared drive and receive child partition；The M the first shared drives are sent
Child partition, N number of first shared drive receive child partition using the data structure mode of message data round-robin queue to the message
Data join the team and team is managed out, realize the deposit, reading and data protection of the message data.
Preferably, the method also includes: according to queue team head and the position indicator pointer of tail of the queue and the data length pair of queue
Queuing data is managed.
Preferably, the method also includes: when tail of the queue increases message data newly, when enqueue operations memory headroom deficiency,
Memory fragmentation label is carried out to the tail of the queue memory headroom, the newly-increased message data is wound up into initial position in memory headroom
Stored.
On the other hand, the present invention provides a kind of realization device of mill control system communication middleware, described device packets
Include: configuration module, the configuration module configure the interface data of user task process, and, the configuration module according to
Communication function purposes divides shared section key, and the first message data is registered；Message data sending module, the message
Data transmission blocks receive the transmission instruction for sending first message data, the message data sending module and the configuration
Module communication connection；Message data processing module, the message data processing module according to message numbering and main body of the packet data,
Working process forms the heading data and main body of the packet data, and the second message data, the message data are formed after merging
Processing module and the message data sending module communicate to connect；Message data storage management module, the message data storage
Management module stores second message data, and the message data storage management module and the message data are handled
Module communication connection.
Preferably, described device further include: message data receiving module, the message data receiving module receives and processing
The third message data that distance host is sent, and the third message data is stored in corresponding shared drive subregion, institute
It states message data receiving module and the message data processing module communicates to connect.
Preferably, the message data processing module handles the third message data.
Preferably, second data are sent to distance host by the message data sending module.
Preferably, described device further include: message data communicates shared section key, and the message data communicates shared drive
Area's stored messages data, and, the message data communication shared section key and the message data storage management module communication link
It connects.
Preferably, when message queue tail portion free memory insufficient space, the message data storage management module will be described
Free memory free token is tail portion debris plume, by second message data by round-robin queue in queue head starting position
Stored.
Said one or multiple technical solutions in the embodiment of the present invention at least have following one or more technology effects
Fruit:
1, in a kind of implementation method of mill control system communication middleware provided in an embodiment of the present invention, by according to function
Energy or purposes obtain the first shared section key, the second shared section key, third shared section key, wherein described first is shared interior
Deposit area, the second shared section key, third shared section key are respectively provided with specific function or purposes；By first shared drive
It divides into and sends shared section key and reception shared section key, wherein the transmission shared section key is that host sends message number
According to first send storage management area, it is described receive shared section key be host receive message data first receive storage management
Area；According to P connection for sending message data, the transmission shared drive is divided into M the first shared drives and sends son point
Area, the reception shared drive divide into N number of first shared drive and receive child partition；The M the first shared drives are sent
Child partition, N number of first shared drive receive child partition using the data structure mode of message data round-robin queue to the message
Data join the team and team is managed out, realize the deposit, reading and data protection of the message data.Solves the prior art
In communication means cannot by function carry out partition management, influence the requirement of real-time control of efficiency and system, and message data is big
The technical issues of small use fixed length maximum byte handles, causes system resource waste, having reached can be shared by different function
Memory classification, improves treatment effeciency, technical effect easy to use.
2, in a kind of realization device of mill control system communication middleware provided in an embodiment of the present invention, by configuring mould
Block, the configuration module configure the interface data of user task process, and, the configuration module is used according to communication function
Way divides shared section key, and the first message data is registered；Message data sending module, the message data send mould
Block receives the transmission instruction for sending first message data, the message data sending module and the configuration module communication link
It connects；Message data processing module, the message data processing module is according to message numbering and main body of the packet data, working process shape
At the heading data and main body of the packet data, form the second message data after merging, the message data processing module with
The message data sending module communication connection；Message data storage management module, the message data storage management module will
Second message data is stored, the message data storage management module and the message data processing module communication link
It connects.Solve mill control system host, data center, instrument, other control system hosts and level-one in the prior art
Data communication problem between PLC has reached the difficulty for reducing the exploitation of milling train Process Control System, easy to operate, easy to use,
The technical effect of convenient and efficient.
3, the embodiment of the present invention communicates shared section key by message data, and the message data communication shared section key is deposited
Message data is stored up, and, the message data communication shared section key and the message data storage management module communicate to connect, and reach
The technical effect realized to message data storage and data protection is arrived.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the implementation method of mill control system communication middleware in the embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of the realization device of mill control system communication middleware in the embodiment of the present invention；
Fig. 3 is a kind of another structural representation of the realization device of mill control system communication middleware in the embodiment of the present invention
Figure.
Description of symbols: 11- configuration module, 12- message data sending module, 13- message data processing module, 14-
Message data storage management module, 16- message data receiving module, 15- message data communicate shared section key.
Specific embodiment
The embodiment of the invention provides the implementation methods and device of a kind of mill control system communication middleware, to solve
Communication means in the prior art cannot carry out partition management by function, influence the requirement of real-time control of efficiency and system, and report
The technical issues of literary size of data is handled using fixed length maximum byte, causes system resource waste.
Technical solution in the embodiment of the present invention, overall structure are as follows:
The present invention provides the implementation method and device of a kind of mill control system communication middleware, by according to function or
Purposes obtains the first shared section key, the second shared section key, third shared section key, wherein first shared section key,
Second shared section key, third shared section key are respectively provided with specific function or purposes；First shared drive is distinguished
To send shared section key and receiving shared section key, wherein the shared section key that sends is that host sends message data
First sends storage management area, and the shared section key that receives is the first reception storage management area that host receives message data；
According to P connection for sending message data, the transmission shared drive is divided into M the first shared drives and sends child partition,
The reception shared drive divides into N number of first shared drive and receives child partition；The M the first shared drives are sent into son point
Area, N number of first shared drive receive child partition using the data structure mode of message data round-robin queue to the message data
Join the team and team is managed out, realize the deposit, reading and data protection of the message data.It is simple to have reached structure, it is right
Vibration signal is sensitive, high sensitivity, and demodulates simply, demodulates technical effect at low cost.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
The embodiment of the invention provides a kind of implementation methods of mill control system communication middleware, referring to FIG. 1, described
Method includes:
Step 110: the first shared section key, the second shared section key, third shared drive are obtained according to function or purposes
Area, wherein first shared section key, the second shared section key, third shared section key be respectively provided with specific function or
Purposes；
Specifically, be supplied to the transmission of user task process according to function or purposes and receive the interface of message data,
And the partition management of shared drive is carried out by the functional category of handled message data, that is to say, that will according to function or purposes
Shared drive is divided into the first shared section key, the second shared section key, third shared section key, the 4th shared section key etc., obtains
To the division in different function area.
Step 120: first shared drive being divided into and sends shared section key and reception shared section key, wherein
The shared section key that sends is the first transmission storage management area that host sends message data, and the reception shared section key is
Host receives the first reception storage management area of message data；
Specifically, further the shared drive subregion of each function is continued point after shared drive is carried out subregion
To send and receive shared section key, that is, continue the shared section key of each functional areas to be divided into message transmission area and message
Reception area, to realize the classification storage and management of message data.In turn, again according to function or each memory field of purposes division
It is divided into transmission shared section key, shared section key is received and is connect as the storage management area of current hosts message data to be sent
The storage management area of the message data received, wherein the shared section key that sends is the first hair that host sends message data
Storage management area is sent, the shared section key that receives is the first reception storage management area that host receives message data, that is,
It says, first shared section key, the second shared section key, the third shared drive of subregion division will be carried out according to functional requirement
Area, the 4th shared section key etc. are divided into respectively to be sent shared section key and receives shared section key, that is, is exactly by each
Shared section key is all divided into shared section key and receives shared section key.
Step 130: according to P connection for sending message data, the transmission shared drive being divided into M first and is shared
Memory sends child partition, and the reception shared drive divides into N number of first shared drive and receives child partition；
Specifically, according to P of message data connection is sent, that is, according to the connections of all transmission message datas,
For the corresponding shared drive subregion of each link division, for storing the message data belonged within the scope of the connection management, that is,
The transmission shared drive is divided into M the first shared drives and sends child partitions, the reception shared drive divides into N number of the
One shared drive receives child partition.In other words, it each sends or receives shared section key and respective number is divided according to connection number
Shared drive subregion.The message number that the shared drive subregion of each connection is stored by the data structure managing of message data queue
According to.That is, connecting for each transmission shared section key and reception shared section key all in accordance with described P, it is every to mark off management
The shared section key of a connection, that is, the transmission shared drive is divided into M the first shared drives and sends child partition, it is described
It receives shared drive and divides into the individual message data management of N number of first shared drive reception child partition progress.
Step 140: the M the first shared drives being sent into child partition, N number of first shared drive receives child partition and uses
The data structure mode of message data round-robin queue to the message data join the team and team is managed out, realize the message
Deposit, reading and the data protection of data.
Further, the method also includes: according to queue team head and the position indicator pointer of tail of the queue and the data length of queue
Queuing data is managed.
Further, the method also includes: when tail of the queue increases message data newly, when enqueue operations memory headrooms is insufficient
When, memory fragmentation label is carried out to the tail of the queue memory headroom, the newly-increased message data is wound up into starting in memory headroom
Stored position.
Specifically, sending child partition and N number of first shared drive for M described in each the first shared drives
Receive child partition for, using message data round-robin queue data structure mode to message data join the team and team carries out pipe out
Reason, that is, position indicator pointer and the data length of queue manage the data manipulation of queue end to end using queue.Further, when
When tail of the queue increases message data newly, when such as enqueue operations memory headroom deficiency, memory fragmentation label is carried out to tail portion memory headroom,
Newly-increased message data is wound up into initial position in memory headroom and starts to store, i.e., round-robin queue manages.For each link division
Shared section key takes the data structure of queue to manage message data, and queue position indicator pointer end to end is arranged, and caching message is total
Number, memory lock etc., realizes the functions such as the deposit, reading and data protection of message data；For the message number for realizing each connection
According to management, realizes the message data deposit of shared section key and read, the message data structure is by following design: the message
Data are collectively formed by regular length heading data and message body data, and the composition of the heading data includes at least
Message number, heading byte number, message body data byte length information, also alternative includes other information, such as send
With recipient's IP address, port, transmission and receiving time date, functional label serial number etc..The heading data can be by fixed length
Or elongated byte number design, the whether given fixed number of heading byte number is depended on, heading includes at least message numbering, message
Head byte number and main body of the packet data word joint number.For convenient for user task process interface calling, message numbering and body data
Size is provided by middleware configuration tool.
Embodiment two
The embodiment of the invention provides a kind of realization devices of mill control system communication middleware, referring to FIG. 2, described
Device includes:
Configuration module 11, the configuration module 11 configure the interface data of user task process, and, the configuration
Module 11 divides shared section key according to communication function purposes, and the first message data is registered；
Specifically, the configuration module 11 is realized by communication function purposes, receives transmission, all connections, and carry out
Corresponding shared drive Division, for the configuration module 11 according to the parameter of input, which can be with representation function purposes, reception
The features such as transmission, connection number, shared drive partition size, including but not limited to the above parameter.It can by the configuration module 11
The interface data of user task process is configured, specifically includes and shared drive subregion is carried out according to function and usage, further according to
Message send, message receive to function division carry out further division, further in each function division, message send area or
The connection number of reception area carries out the subdivision of shared section key.The configuration module 11 is by each company of all mill control systems simultaneously
The each message data connect, message number and message body size of data etc. in the communications between registered in part, it is described to match
Setting the function that module 11 is finally completed includes, and carries out subregion automatically according to classification and connection number, shared drive size, and by message
Number and size etc. registered.
Message data sending module 12, the message data sending module 12 receive the hair for sending first message data
Instruction is sent, the message data sending module 12 is communicated to connect with the configuration module；
Specifically, the message data sending module 12 receives the transmission instruction for sending first message data, it is real
Current family task process submits message data to send the services after request.Specifically, the message data sending module 12
It obtains the message that user submits and sends request data, and then it is raw to call the message data processing module 13 to carry out message data
At calling the message data storage management module 14 to carry out the storage of message data, while the message data being called to store
14 equity of management module message data to be sent is read out, and call operation system respective service sends out the message data of reading
Give destination host.The message data sending module 12 is supplied to user task process message transmission interface, and realizes and will report
In shared drive in literary data deposit respective partition and connection.The message datas to be sent such as reading, call operation system phase
Service is closed by the message data to be sent, is sent to distance host.
Message data processing module 13, the message data processing module 13 according to message numbering and main body of the packet data,
Working process forms the heading data and main body of the packet data, and the second message data, the message data are formed after merging
Processing module 13 and the message data sending module 12 communicate to connect
Further, described device further include: second data are sent to far by the message data sending module 12
Journey host.
Specifically, the message data processing module 13 realizes synthesis and the decomposition function of message data, the message
Data processing module 13 generates the heading data and message body data that user task process is submitted, and the two is merged and is generated
Message data, and then be sent to the message data storage management module 14 and carry out storage management；Further, the message number
Can also operation splitting be carried out to the message data that the message data storage management module 14 is read according to processing module 13, generate only
Vertical heading data and message body data are extracted heading characteristic and are mentioned such as message number and message body data
The message data receiving module 16 is given, for notifying user task process to carry out respective handling.Communication middleware message number
According to processing module, the assembling of the heading data and message body data when message data storage is completed, and is read out of memory
After taking message data, the parsing of heading data and message body data and extraction data function.
Message data storage management module 14, the message data storage management module 14 deposit the message data
Storage, the message data storage management module and the message data processing module communicate to connect.
Specifically, the message data storage management module 14 realizes the depositing in each connection subregion of message data
Storage, and read the function of message data in each connection subregion.To meet communication middleware message data sending module, lead to
Believe the storage and reading of middleware message data receiving module and communication middleware message data processing module to message data
Requirement.The message data storage management module of communication middleware, is responsible for message data team in the shared section key of each connection
The management of column when there is newly-increased message data to store into round-robin queue (write-in enqueue operations), or is read in round-robin queue
When message data (the reading dequeue operation) of storage, it is responsible for updating pointer end to end and message data queue length of queue etc.
The work such as the processing of data and tail of the queue memory fragmentation.
Message data receiving module 16, the third that the message data receiving module 16 receives and processing distance host is sent
Message data, and the third message data is stored in corresponding shared drive subregion, the message data receiving module
16 communicate to connect with the message data processing module 13.
Further, described device further include: the message data processing module 13 carries out the third message data
Processing.
Specifically, the message data receiving module 16 realizes the reception for the message data that external host system is sent
And the services of processing.The 16 call operation system respective service of message data receiving module receives external host system hair
The message data sent, and the message data processing module 13 is called to handle received message data, call the message data
The storage of the progress message data of storage management module 14；Call the message data storage management module 14 to received simultaneously
Etc. message data to be processed be read out, 13 pairs of reading message datas of the message data processing module parse, will
Data are submitted to corresponding user task process by interface and are handled after parsing.The message data of communication middleware receives mould
Block is responsible for receiving the message data that distance host is sent, and the message data is stored in corresponding function subregion, corresponding
In shared drive in connection.The outstanding message data stored are read in turn, which is notified to corresponding
User task process
Further, described device further include: message data communicates shared section key 15, and the message data communication is shared
15 stored messages data of memory field, and, the message data communication shared section key 15 and the message data storage management mould
Block 14 communicates to connect.
Specifically, the message data communication shared section key 15 is used for stored messages data, that is, each connection connects
Shared section key is received, when receiving the message data of external host system, which stores corresponding total into the connection
It enjoys in memory field.
Further, described device further include: when message queue tail portion free memory insufficient space, the message data is deposited
The free memory free token be second message data to be pressed round-robin queue and is existed for tail portion debris plume by storage management module
Stored queue head starting position.
Specifically, marking the free memory space is tail portion debris plume if queue tail free memory insufficient space,
Message data is stored by round-robin queue in queue head starting position.Further, if entirely connection memory headroom is not
Foot, then the message data storage management module 14 will carry out having waited until enough memory headrooms, in a manner described will continue
Message data stores in the shared drive of the connection, that is to say, that when newly-increased message data is at queue end, if queue
End free memory is insufficient, then marking end is debris plume, does not store valid data；It is shared interior that it is wound up into queue head at this time
It deposits, judges whether there is enough newly-increased message datas of memory headroom storage and newly-increased message data exists if memory headroom is sufficiently large
The memory headroom beginning of queue head is stored, the similar annular queue data structure of the storage mode；If queue head memory
Insufficient space, then system carries out after waiting until that message data is read in queue, has sufficient space to carry out again when being stored
The storage of newly-increased message data.Meanwhile the message data of queuing memory storage is needed when submitting operating system to carry out message transmission
Queue head data are subjected to out team's read operation, that is, follow the first-in first-out rule of queuing data；Each message data is read
When, next message data pending, while the message data size stored are directed toward in the shift position of the pointer on mark queue head
Need to subtract the message data size read.
Embodiment three
A kind of application method of the realization device for mill control system communication middleware that inventive embodiments are provided below
It is described in detail, specific as follows:
In present example, feature is communicated according to milling train Process Control System, i.e. peripheral communications system mainly there are data
Function is arranged in the configuration module in the several types such as central server, other general hosts and instrument, primary PLC controller
Energy subregion is data center, general host, primary PLC a total of three function division, and independent size is arranged for each function division
Shared section key.According to communication in need external system host and connection number, be respectively configured by the configuration module
Transmission area and reception area in three function divisions, and the host connection number in each memory partitioning is specified, configure each connection
The size of required shared drive, the shared drive thus completed in system host divide management.Meanwhile the configuration module needs
Further the first all message data of all systems is registered, communication middleware knows the message of each message data
Number and main body of the packet data the information such as byte count sizes, to complete the management of all message datas.
Firstly, mentioning as shown in figure 3, user task process submits message data to be sent by interface function
Content is handed over to include at least message number, main body of the packet data, to realize the transmission process of message；
Further, after the message data sending module 12 is connected to the task requests of message transmission, the message is notified
The working process of the progress message data of data processing module 13.For the message data processing module 13 according to message number, obtaining should
Connection belonging to message, and the byte length of the main body of the packet data is obtained, heading data are generated, heading data are at least wrapped
The byte length of message number He main body of the packet data is contained.Further, heading data and message body data are formed finally
Message data；
Then, the message data sending module 12 obtains being correspondingly connected with for registration according to the message number, by final message
Data-storing enters in the shared drive of the corresponding connection, which is related to joining the team and going out for message data queue in shared drive
Team's operation, the storage and reading of corresponding message data, is safeguarded by the message data storage management module 14.The message
Data transmission blocks 12 are sent the data to be sent being correspondingly connected in shared drive in area are sent, and message data is deposited first
It stores management module and the head of the queue message data of the queue in the connection shared drive is subjected to out team's read operation, while updating head of the queue
Position indicator pointer and queue messages data length；The message data of team out is submitted to operating system to distance host by sending module
Carry out data transmission, after sending successfully, return task status data give user task process, sending module completion user task into
The task that journey is submitted.
The message data storage management module 14 stores message data in the tail portion of message data queue, simultaneously
Update the data length of queue tail pointer and message queue.If queue tail free memory insufficient space, mark this surplus
Remaining memory headroom is tail portion debris plume, and message data is stored by round-robin queue in queue head starting position.Further,
If entirely connection memory headroom is insufficient, message data storage management module will carry out having waited until enough memory headrooms,
Continuation in a manner described stores message data in the shared drive of the connection, that is to say, that when newly-increased message data is in team
When arranging end, if queue end free memory is insufficient, marking end is debris plume, does not store valid data；It winds at this time
To queue head shared drive, judges whether there is enough memory headrooms and store newly-increased message data, if memory headroom is sufficiently large,
Newly-increased message data is stored at the memory headroom beginning of queue head, the similar annular queue data structure of the storage mode；
If queue head memory headroom is insufficient, system is carried out after waiting until that message data is read in queue, there is sufficient space
The storage of newly-increased message data is carried out when being stored again.Meanwhile queuing memory storage message data submit operating system into
When row message is sent, needs to carry out queue head data into out team's read operation, that is, follow the first-in first-out rule of queuing data；
When each message data is read, the shift position of the pointer on mark queue head is directed toward next message data pending, is deposited simultaneously
The message data size needs of storage subtract the message data size read
16 receiving module of message data receiving module is responsible for implementing the reception and treatment process of message data.The report
Effective message that the worker thread of each connection of literary data reception module 16 waits always the distance host in the connection to send
Data.After receiving effective message data, message data is stored in the corresponding connection by the message data receiving module 16
In shared drive.Identical as the message data sending module 12, which is related to entering for message data queue in shared drive
Team and dequeue operation, the storage and reading of corresponding message data, are safeguarded by message data storage management module.The message
Data-storing management module 14 operates storage of the message data in the shared drive of the connection, sends out in the message data
It send the message data of module 12 to be elaborated when storing, is not repeated herein.
The message data receiving module 16 goes out team's message data for what the message data storage management module 14 was read
It is decomposed, the message data processing module 13 obtains the message number and main body of the packet data of the message, passes through interface letter
Message number and main body of the packet data notification at least are gone to handle by number to corresponding user task process.
Send that message data is identical, and the message data storage management module 14 is in the connection pair with the sending module 1
In the shared drive answered, the message data received is increased newly queue end, while updating the queue tail pointer and having stored
And wait message amount to be read；
It is identical that message data is increased newly with the message data sending module 12, and the message data receiving module 16 is in queue
End increases message data newly, if queue end free memory off-capacity, marking end free memory is debris plume, does not deposit
Store valid data；According to circle queue data structure mode, judge whether queue head memory size stores newly-increased message enough
Data, if memory size is sufficiently large, newly-increased message data is stored at queue head memory headroom beginning；If team
Arrange that head memory size is insufficient, then system carries out after waiting until that message data is read in queue, have enough memory sizes into
When row storage, then newly-increased message data is stored.
The message data of the reception shared section key of each connection, described device go out the head message data of queue
Team's read operation, it then follows the first in first out of queuing data.Heading data are read first, according to the report in heading data
Body of text data word joint number size, then message body data are read out, meanwhile, queue head position indicator pointer is updated, is directed toward next
The message data to be read such as a, while the message data size to be read such as update, complete dequeue operation.Communication middleware will
The message data of extraction notifies to carry out relevant processing to corresponding user task process.To solve milling train in the prior art
Data communication problem between control system host, data center, instrument, other control system hosts and primary PLC, reaches
The difficulty for reducing the exploitation of milling train Process Control System, easy to operate, easy to use, the technical effect of convenient and efficient are arrived.
Said one or multiple technical solutions in the embodiment of the present invention at least have following one or more technology effects
Fruit:
1, in a kind of implementation method of mill control system communication middleware provided in an embodiment of the present invention, by according to function
Energy or purposes obtain the first shared section key, the second shared section key, third shared section key, wherein described first is shared interior
Deposit area, the second shared section key, third shared section key are respectively provided with specific function or purposes；By first shared drive
It divides into and sends shared section key and reception shared section key, wherein the transmission shared section key is that host sends message number
According to first send storage management area, it is described receive shared section key be host receive message data first receive storage management
Area；According to P connection for sending message data, the transmission shared drive is divided into M the first shared drives and sends son point
Area, the reception shared drive divide into N number of first shared drive and receive child partition；The M the first shared drives are sent
Child partition, N number of first shared drive receive child partition using the data structure mode of message data round-robin queue to the message
Data join the team and team is managed out, realize the deposit, reading and data protection of the message data.Solves the prior art
In communication means cannot by function carry out partition management, influence the requirement of real-time control of efficiency and system, and message data is big
The technical issues of small use fixed length maximum byte handles, causes system resource waste, having reached can be shared by different function
Memory classification, improves treatment effeciency, technical effect easy to use.
2, in a kind of realization device of mill control system communication middleware provided in an embodiment of the present invention, by configuring mould
Block, the configuration module configure the interface data of user task process, and, the configuration module is used according to communication function
Way divides shared section key, and the first message data is registered；Message data sending module, the message data send mould
Block receives the transmission instruction for sending first message data, the message data sending module and the configuration module communication link
It connects；Message data processing module, the message data processing module is according to message numbering and main body of the packet data, working process shape
At the heading data and main body of the packet data, form the second message data after merging, the message data processing module with
The message data sending module communication connection；Message data storage management module, the message data storage management module will
Second message data is stored, the message data storage management module and the message data processing module communication link
It connects.Solve mill control system host, data center, instrument, other control system hosts and level-one in the prior art
Data communication problem between PLC has reached the difficulty for reducing the exploitation of milling train Process Control System, easy to operate, easy to use,
The technical effect of convenient and efficient.
3, the embodiment of the present invention communicates shared section key by message data, and the message data communication shared section key is deposited
Message data is stored up, and, the message data communication shared section key and the message data storage management module communicate to connect, and reach
The technical effect realized to message data storage and data protection is arrived.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of implementation method of mill control system communication middleware, which is characterized in that the described method includes:
The first shared section key, the second shared section key, third shared section key are obtained according to function or purposes, wherein described
First shared section key, the second shared section key, third shared section key are respectively provided with specific function or purposes；
First shared drive is divided into and sends shared section key and reception shared section key, wherein described send is shared
Memory field is the first transmission storage management area that host sends message data, and the reception shared section key is that host receives message
The first of data receives storage management area；
According to P connection for sending message data, the transmission shared drive is divided into M the first shared drives and sends son point
Area, the reception shared drive divide into N number of first shared drive and receive child partition；
The M the first shared drives are sent into child partition, N number of first shared drive is received child partition and recycled using message data
The data structure mode of queue to the message data join the team and team is managed out, realize the message data deposit,
Reading and data protection.
2. the method as described in claim 1, which is characterized in that the method also includes:
Queuing data is managed according to queue team head and the position indicator pointer of tail of the queue and the data length of queue.
3. method according to claim 2, which is characterized in that the method also includes:
When tail of the queue increases message data newly, when enqueue operations memory headroom deficiency, memory is carried out to the tail of the queue memory headroom
Fragment label, is wound up into initial position in memory headroom for the newly-increased message data and stores.
4. the method as described in claim 1, which is characterized in that the method also includes:
The message data includes regular length heading data and message body data.
5. a kind of realization device of mill control system communication middleware, which is characterized in that described device includes:
Configuration module, the configuration module configure the interface data of user task process, and, the configuration module according to
Communication function purposes divides shared section key, and the first message data is registered；
Message data sending module, the message data sending module receive the transmission instruction for sending first message data,
The message data sending module and the configuration module communicate to connect；
Message data processing module, the message data processing module is according to message numbering and main body of the packet data, working process
The heading data and main body of the packet data are formed, form the second message data, the message data processing module after merging
It is communicated to connect with the message data sending module；
Message data storage management module, the message data storage management module store second message data,
The message data storage management module and the message data processing module communicate to connect.
6. device as claimed in claim 5, which is characterized in that described device further include:
Message data receiving module, the third message number that the message data receiving module receives and processing distance host is sent
According to, and the third message data is stored in corresponding shared drive subregion, the message data receiving module with it is described
The communication connection of message data processing module.
7. device as claimed in claim 6, which is characterized in that the message data processing module is to the third message data
It is handled.
8. device as claimed in claim 5, which is characterized in that the message data sending module sends second data
To distance host.
9. device as claimed in claim 5, which is characterized in that described device further include:
Message data communicates shared section key, and the message data communicates shared section key stored messages data, and, the message
Data communication shared section key and the message data storage management module communicate to connect.
10. device as claimed in claim 5, which is characterized in that when message queue tail portion free memory insufficient space, the report
The free memory free token is for tail portion debris plume, by second message data by following by literary data-storing management module
Ring queue is stored in queue head starting position.
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