CN102761472A - Communication port and routing method thereof, communication module and concurrent transaction level simulation system - Google Patents
Communication port and routing method thereof, communication module and concurrent transaction level simulation system Download PDFInfo
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Abstract
The routing method of the communication port comprises the steps of: obtaining a topological structure description file; obtaining the name of the port of a communication source end; searching the name of the port of a communication destination end corresponding to the port of the communication source end and the identity of the communication destination end from the topological structure description file; and recording the communication port information, and building a communication port and allocating a communication channel for the communication source end and the communication destination end based on the communication port information. According to the technical scheme disclosed by the invention, the coupling degree between a component model and the concurrent transaction level simulation system is reduced, the development efficiency of the concurrent transaction level simulation system is improved, and the maintenance expense of the component model and the concurrent transaction level simulation system are lowered.
Description
Technical field
The present invention relates to parallel transaction-level imitation technology in the hardware system, the message sending and receiving method of especially a kind of method for routing of COM1, port router, COM1, COM1, communication module, partial model and parallel transaction-level analogue system.
Background technology
In extensive Hardware Design, the method for parallel transaction-level analog simulation is important techniques means.Parallel transaction-level simulation has that analog rate is fast, the simulation scale is big, modeling pattern is pressed close to advantages such as hardware logic, can be applied to the prototype assessment of hardware system, the software of hardware system is transferred excellent each stage.
Owing in existing parallel transaction-level modeling method, mainly be to set up partial model, through partial model and the parallel transaction-level analogue system of the simulation of annexation each other thereof.Partial model and each other connect and compose parallel transaction-level analogue system; Therefore when the design part model, should consider the communication between partial model and the miscellaneous part model or be connected; The communication of how to simulate parallel transaction-level analogue system connects, and also will consider the logic function of partial model.Partial model commonly used comprises processor model, memory model, router-modelle etc.Processor model with existing realization additional calculation is an example; The processor model should be realized being connected with the communication of outside miscellaneous part model; Need obtain all data of carrying out add operation from the outside; Also to carry out the additional calculation of data, also will result calculated be fed back to the miscellaneous part model at last.In view of the foregoing; When the design part model; Need be concerned about that not only the logic function of this partial model also will be concerned about the miscellaneous part model that has annexation with this processor, will consider also whether its annexation can meet the requirement that the communication of parallel transaction-level analogue system connects.
Accordingly, when design walks abreast the transaction-level analogue system, need to consider the logic function of partial model, will consider also whether its annexation satisfies the requirement of the communication connection of self.Because both couplings are higher, when causing designing parallel transaction-level analogue system and partial model, be easy to produce the design problem that checks and balance.In addition, the annexation and the logic function of partial model mix at present, and a partial model can only be used in the parallel transaction-level analogue system, and reusability is relatively poor, causes the wasting of resources of partial model comparatively serious.
On the one hand, the modeling person of component-level model need be concerned about parallel transaction-level design of simulating system, and the modeling person of parallel transaction-level analogue system also need be concerned about the inside realization of component-level model on the other hand.Because the degree of coupling of partial model and parallel transaction-level analogue system is higher, so both can't independently accomplish design or modification.This causes the development efficiency of parallel transaction-level analogue system lower easily, and bigger to the expense of partial model and the maintenance of parallel transaction-level analogue system.
The DATE ' that holds in Europe 10 Proceedings of the Conferenceon Design in 2010; Having delivered one piece in the Automation and Test meeting is called: the paper of " Parallel simulationof SystemC TLM 2.0 compliant MPSoC on SMP workstations "; Author: Aline Mello; Isaac Maia, Alain Greiner, and Francois Pecheux.This paper discloses a kind of analog platform of parallel transaction-level; This platform is specifically designed to the polycaryon processor of simulation shared drive; This platform also provides the programming mode of a kind of TLM-DT of being called for this specific simulation application, obtained certain Parallel Simulation speed-up ratio.Yet the autgmentability of this method does not obtain proof, and how this method is not considered not to provide powerful support for decoupling zero partial model and parallel transaction-level analogue system for the reusability of partial model provides.
How to reduce the degree of coupling between partial model and the parallel transaction-level analogue system, improve the development efficiency of parallel transaction-level analogue system, reduce expense, become one of present problem demanding prompt solution partial model and the maintenance of parallel transaction-level analogue system.
Summary of the invention
The problem that the present invention solves is to improve the development efficiency of parallel transaction-level analogue system, reduces the expense to partial model and the maintenance of parallel transaction-level analogue system.
For addressing the above problem, the invention provides a kind of method for routing of COM1, comprising:
Obtain the topological structure description document, said topological structure description document comprises the title of port of title and destination of port of sign, the source end of sign, the destination of source end;
The title of the port of obtaining communication source end, said communication sources end are source end to be established a communications link, and the port of said communication sources end is the port of source end to be established a communications link;
In said topological structure description document, search title and the sign of communication objective end of the port of the communication objective end corresponding with the port of said communication sources end; The port of said communication objective end is the port of the destination corresponding with the port of source end said to be established a communications link, and said communication objective end is the destination corresponding with source end to be established a communications link;
The record communication port information, said COM1 information comprises the sign of said communication sources end, the title of the port of communication sources end, the sign of communication objective end, the title of the port of communication objective end;
Based on said COM1 information is that said communication sources end and communication objective end are set up COM1 and configuration communication passage.
Optional, said topological structure description document also comprises the number of title, type and the communication port of source end; The type of the port of source end and time of delay; The type of the port of said source end comprises: type of receipt, transmission types and the reception transmission types of holding concurrently.
Optional, the method for routing of said COM1 also is included in the type and the time of delay of searching the port of said source end in the said topological structure description document; Said COM1 information also comprises the type and the time of delay of the port of said source end.
A kind of port router comprises: routing iinformation administration module and enquiry module, and said routing iinformation administration module comprises the routing table cache module;
Said routing table cache module, in order to obtaining the topological structure description document, said topological structure description document comprises the title of port of title and destination of port of sign, the source end of sign, the destination of source end; Also in order to the title of the port of obtaining communication source end, said communication sources end is a source end to be established a communications link, and the port of said communication sources end is the port of source end to be established a communications link; Also in order to the record communication port information, said COM1 information comprises the sign of said communication sources end, the title of the port of communication sources end, the sign of communication objective end, the title of the port of communication objective end;
Said enquiry module; In order to the title of the port of in said topological structure description document, searching the communication objective end corresponding and the sign of communication objective end with the port of said communication sources end; The port of said communication objective end is the port of the destination corresponding with the port of source end said to be established a communications link, and said communication objective end is the destination corresponding with source end to be established a communications link.
Optional, said topological structure description document also comprises the number of title, type and the communication port of source end; The type and the time of delay of the port of said source end; The type of the port of said source end comprises: type of receipt, transmission types and the reception transmission types of holding concurrently.
Optional, said enquiry module is also in order to search the type and the time of delay of the port of said source end in said topological structure description document; Said COM1 information also comprises the type and the time of delay of the port of said source end.
Optional, said routing table cache module is also in order to save as the route-caching table with said topological structure description document; Said routing iinformation administration module also comprises update module, and said updating module is upgraded said route-caching table and said COM1 information.
A kind of message method of the COM1 that is connected with as above each described port router comprises:
Obtain the COM1 information corresponding from said port router, and be the communication sources end and corresponding communication objective end is set up COM1 and configuration communication passage based on said COM1 information with the port of said communication sources end;
Obtain the incident bag, said incident bag comprises the title of the event content and the port of the communication sources end that sends this incident bag;
Said COM1 information is added said event content form message;
Send said message through said communication port.
Optional, the message method of said COM1 also comprises according to the time sequencing of sending said message, sets up the transmission buffer queue of said message.
Optional, said message is sent to said communication objective end through parallel host network.
Optional, said incident bag obtains from component logic, and said component logic is in order to realize logic function.
A kind of message receival method of COM1, said message is sent with the as above message method of each described COM1;
Said message receival method comprises:
Through receiving said message with the corresponding communication port of said communication sources end;
Resolve said message, obtain the title of the event content and the port of the communication objective end that receives this message.
Optional, the message receival method of said COM1 also comprises handles said event content, and sends result.
Optional, the message receival method of said COM1 also comprises according to the time sequencing of obtaining said event content, sets up the reception buffer queue of said event content.
A kind of COM1 that is connected with as above each described port router comprises:
The port arrangement module in order to obtaining the COM1 information corresponding with the port of said communication sources end from said port router, and is communication sources end and corresponding communication objective end configuration communication passage based on said COM1 information;
Message transmission module; In order to obtain the incident bag; Said incident bag comprises the title of the event content and the port of the communication sources end that sends this incident bag, said COM1 information is added said event content form message and send said message through said communication port.
Optional, described COM1 also comprises:
Message processing module, the event content in order in the message of obtaining and handle other COM1s transmissions feeds back to component logic with result.
Optional, said COM1 also comprises:
Message is sent cache module, in order to the time sequencing according to the message of sending, sets up the transmission buffer queue of said message;
The message sink cache module in order to the time sequencing according to event content in the message that receives, is set up the reception buffer queue of said event content;
The port information administration module is in order to the corresponding COM1 information of port of preserving said and said communication sources end.
A kind of COM1 comprises:
Message processing module is in order to the event content in the message of obtaining as above each described COM1 transmission.
Optional, said message processing module is also in order to handling said event content, and sends result.
Optional, described COM1 also comprises the message sink cache module, in order to the time sequencing according to said event content, sets up the reception buffer queue of said event content.
A kind of communication module comprises: as above each described port router, port queue administration module and communication controler;
Said communication controler, in order to obtain the incident bag, said incident bag comprises the title of the event content and the port of the communication sources end that sends this incident bag;
Said port queue administration module in order to obtaining the COM1 information corresponding with the port of said communication sources end from said port router, and is set up COM1 based on said COM1 information;
Said COM1 comprises:
The port arrangement module in order to obtaining said COM1 information from said port router, and is communication sources end and corresponding communication objective end configuration communication passage based on said COM1 information;
Message transmission module in order to obtain said incident bag from said communication controler, adds said event content with said COM1 information and forms message and send said message through said communication port.
The message optional, that said communication controler also sends in order to the port that receives by the communication sources end.
Optional, said port queue administration module also in order to resolve the message that said communication controler receives, obtains the title of event content with the port of the communication objective end that receives this message of this message.
Optional, said COM1 also comprises:
Message processing module is resolved the event content that obtains in order to receive and to handle said port queue administration module, and is sent result.
Optional, said COM1 also comprises:
Message is sent cache module, in order to the time sequencing according to the message of sending, sets up the transmission buffer queue of said message;
The message sink cache module in order to the time sequencing according to the event content of the message that receives, is set up the reception buffer queue of said event content;
The port information administration module is in order to preserve the COM1 information corresponding with the port of said communication sources end.
Optional, said port queue administration module also in order to monitor said COM1, when said COM1 is idle, is controlled this COM1 and is received said event content or send said message.
A kind of as above partial model of each described communication module that comprises.
Optional, said partial model also comprises component logic, the result that is used to send the incident bag or receives event content.
A kind of parallel transaction-level analogue system that comprises aforesaid partial model.
Optional, said parallel transaction-level analogue system also comprises: parallel host network, transmit in order to realize the message between partial model.
Compared with prior art, the present invention has the following advantages:
Obtain the topological structure description document, in the topological structure description document, search the communication objective end corresponding, the communication port between configuration communication source end and the communication objective end with the communication sources end.Communication sources end or communication objective end are included in the partial model; After the partial model design is accomplished; Record according to communication sources end and communication objective end in the topological structure description document; Communication port between configuration communication source end and the communication objective end, the parallel host network of configuration constitutes parallel transaction-level analogue system again.This has not only reduced the degree of coupling of partial model and parallel transaction-level analogue system, and has simplified the development procedure of parallel transaction-level analogue system, has improved the development efficiency of parallel transaction-level analogue system.
When design walks abreast the transaction-level analogue system by the way; The functional requirement of parallel transaction-level analogue system only need be provided; Create the topological structure description document,, create communication port then according to topological structure description document design part model; The parallel host network of configuration is accomplished parallel transaction-level design of simulating system again.If the function of parallel transaction-level analogue system changes, upgrade the topological structure description document, then according to new topological structure description document, more new communications channel is accomplished the modification to the function of parallel transaction-level analogue system.
Owing to revise separately or the apparatus of repair parts model, can not influence the operation of parallel transaction-level analogue system; Revise separately or safeguard parallel transaction-level analogue system, also can not influence the operation of partial model, thus this bigger simplification to the modification of partial model and parallel transaction-level analogue system and the work of maintenance.In addition, revise the topological structure description document, reconfigure communication port and just can accomplish modification or maintenance, also reduced expense partial model and the maintenance of parallel transaction-level analogue system.
Description of drawings
Fig. 1 is the structure list of topological structure description document provided by the invention;
Fig. 2 is a kind of flow chart of execution mode of the method for routing of COM1 provided by the invention;
Fig. 3 is the structure chart of a kind of execution mode of port router provided by the invention;
Fig. 4 is a kind of flow chart of execution mode of the message method of COM1 provided by the invention;
Fig. 5 is a kind of flow chart of execution mode of the message receival method of COM1 provided by the invention;
Fig. 6 is the structure chart of a kind of execution mode of COM1 provided by the invention;
Fig. 7 is the structure chart of a kind of execution mode of communication module provided by the invention;
Fig. 8 is the flow graph that sends of the message that provides of the embodiment of the invention;
Fig. 9 is the reception flow graph of the message that provides of the embodiment of the invention;
Figure 10 is the structure chart of a kind of execution mode of partial model provided by the invention;
Figure 11 is the structure chart of a kind of execution mode of parallel transaction-level analogue system provided by the invention;
Figure 12 is that the communication of partial model in the parallel transaction-level analogue system provided by the invention connects sketch map;
Figure 13 is the structure chart of a kind of execution mode of incident bag provided by the invention;
Figure 14 is the structure chart of a kind of execution mode of message provided by the invention.
Embodiment
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, does detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Because in existing parallel transaction-level modeling method; Give that partial model is reusable to provide enough supports; Cause the modeling person of component-level model need be concerned about the design of system-level model; The modeling person of system-level model also need be concerned about the inside realization of component-level model on the other hand, so the degree of coupling of partial model and parallel transaction-level analogue system is higher, and both designs and modification can't independently be accomplished.This will cause the development efficiency of parallel transaction-level analogue system lower, and to its safeguard and the expense revised also bigger.
The embodiment of the invention is through pre-configured topological structure description document; Annexation in said topological structure description document between the analog component model; After partial model obtains said topological structure description document,, set up the annexation between the partial model according to content wherein.
Fig. 1 is the structure list of topological structure description document provided by the invention, and the structure of topological structure description document is as shown in Figure 1.The topological structure description document is main unit with partial model, has described the essential information of each partial model, and the annexation of the port of this partial model.In order to avoid a conflict, the topological structure description document requires being designated of partial model overall unique, and the title of the port of partial model is unique in this partial model.Because being designated of partial model is overall unique, the title of port only need guarantee in the partial model unique, and this port is carried out just can not making a mistake when topological structure is described.
Partial model is generally the transmitting terminal or the receiving terminal of message, so partial model also can be described as communication sources end or communication objective end.For describing conveniently, if no special indicating promptly represented communication sources end or communication objective end with partial model in the following content.
What this topological structure description document was described is the annexation between partial model, specifically is meant the annexation between the port of port and miscellaneous part model of a partial model.
As shown in Figure 1, the annexation of the port of whole partial models of representing to comprise in the parallel transaction-level analogue system.Comprise the annexation of the port of several partial models in this topological structure description document, each partial model comprises two parts content, and the one, module information M1, the 2nd, channel information M2.Among the module information M1, comprise title, sign, type and the number of active lanes of partial model, type generally is finger processor, internal memory, hard disk etc., and number of active lanes is the number of the communication port between this partial model and the miscellaneous part model.Itemize has write down the information of each port among the channel information M2; The port information of a port of every record record; Comprise sign, title that the partial model of annexation is arranged with this port, annexation is arranged, the title of this port, type, time of delay with that port of this partial model.Channel type generally comprises transmission types, type of receipt and the transmission type of receipt of holding concurrently.Be meant that this port sends a message and how long needs time of delay.
For example, partial model A has 4 ports, and the title of 4 ports is respectively a, b, c, d, and has 4 communication ports between partial model A and the miscellaneous part model.The module information of partial model A comprises, the name of partial model is called A, is designated ID130, type is processor and number of active lanes is 4.Channel information comprises 4 records, and the information of a port of every record record is if port a is in order to initiate a message; Have communication with the port f of partial model B (being designated ID230) and be connected, then the record of port a comprises: the sign ID130 of source end, destination be designated ID230; The port name of source end is called a; The port name of destination is called f, and channel type is a transmission types, and be 0.04s time of delay.
The general communication according to parallel transaction-level analogue system to be simulated of topological structure description document connects, and sets up the annexation of source end and destination.When establishing a connection, the type of the port of said source end is a transmission types, and then the type of the port of the destination corresponding with it can only be for type of receipt or receive the transmission types of holding concurrently, and same partial model both can be that the source end also can be a destination.
According to the annexation between each partial model of parallel transaction-level analogue system to be simulated; Annexation in said topological structure description document between the analog component model; After partial model obtains said topological structure description document; According to content wherein, set up the annexation between the partial model, then realized the modeling of parallel transaction-level analogue system.
Fig. 2 is a kind of flow chart of execution mode of the method for routing of COM1 provided by the invention, comprising:
S101 obtains the topological structure description document, and said topological structure description document comprises the title of port of title and destination of port of sign, the source end of sign, the destination of source end;
S102, the title of the port of obtaining communication source end, said communication sources end is a source end to be established a communications link, the port of said communication sources end is the port of source end to be established a communications link;
S103, title and the sign of communication objective end of in said topological structure description document, searching the port of the communication objective end corresponding with the port of said communication sources end;
S104, the record communication port information, said COM1 information comprises the sign of said communication sources end, the title of the port of communication sources end, the sign of communication objective end, the title of the port of communication objective end;
S105 is that said communication sources end and communication objective end are set up COM1 and configuration communication passage based on said COM1 information.
Said source end is the end that sends of message, and the port of said source end is in order to send said message; Said destination is the receiving terminal of said message, and the port of said destination is in order to receive said message.Because the transmission of message moves in circles with reception, thus the source end of message transmission, also can be the destination of message sink next time, in other words, source end and destination can change according to the flow direction of message.In parallel transaction-level analogue system, partial model is communication sources end or communication objective end normally.
Said communication sources end is a source end to be established a communications link, the partial model in the just parallel transaction-level analogue system.After the partial model design was accomplished, the communication of setting up between the partial model connected, and disposed parallel host network again, and parallel transaction-level analogue system is just calculated completion.For preventing that in the process that establishes a communications link the situation that occurs missing designs the partial model of accomplishing, and when establishing a communications link, regards this partial model as source end to be established a communications link.
The port of said communication objective end is the port of the destination corresponding with the port of source end said to be established a communications link, and said communication objective end is the destination corresponding with source end to be established a communications link.Message flows through port in whole system; When establishing a communications link; Need to confirm the communication sources end and the communication objective end of message; Guarantee that both are corresponding, confirm that then which port of communication sources end is corresponding with which port of communication objective end, guarantee that message flows in corresponding port.
Based on said COM1 information is after said communication sources end and communication objective end are set up COM1 and configuration communication passage; The COM1 of setting up for the communication sources end is the port of communication sources end in the corresponding COM1 information, and the COM1 of setting up for communication objective end is the port of corresponding communication objective end.Message sends to communication objective end through the COM1 of communication sources end, the communication port of configuration, and the COM1 of communication objective end receives the message (parsing to message will be elaborated follow-up) after resolving.
Generally speaking, the port of transmission types is corresponding with the port of type of receipt or the double transmission types of reception; The port of type of receipt is corresponding with the port of transmission types or the double transmission types of reception; Send the port of the type of receipt of holding concurrently, if send message, then the port with transmission types is identical, if receive message, then the port with type of receipt is identical.
The module information and the channel information that comprise this partial model in the topological structure description document; Wherein module information comprises title, sign, type and the number of active lanes of this partial model, and number of active lanes is the number of the communication port between this partial model and the miscellaneous part model.Itemize has write down the information of each port in the channel information, comprises sign, title that the partial model of annexation is arranged with this port, annexation is arranged, the title of this port, type, time of delay with which port of this partial model.Among the S104, the record communication port information can selectively be noted these information according to actual conditions, and generally COM1 information only writes down the information of port commonly used, like this can conserve storage.
Said communication port is used for transmitting message, and communication port is generally realized through parallel host network.
Fig. 3 is the structure chart of a kind of execution mode of port router provided by the invention, specifies below in conjunction with Fig. 1, Fig. 2 and Fig. 3.
The structure of port router-A 1 is as shown in Figure 3, mainly contains two parts and forms: routing iinformation administration module A11 and enquiry module A12.
Routing iinformation administration module A11 comprises routing table cache modules A 112, and in order to obtaining the topological structure description document, said topological structure description document comprises the title of port of title and destination of port of sign, the source end of sign, the destination of source end; The title that also is used for the port of obtaining communication source end, said communication sources end are source end to be established a communications link, and the port of said communication sources end is the port of source end to be established a communications link; Also in order to the record communication port information, said COM1 information comprises the sign of said communication sources end, the title of the port of communication sources end, the sign of communication objective end, the title of the port of communication objective end.
Enquiry module A12; In order to the title of the port of in said topological structure description document, searching the communication objective end corresponding and the sign of communication objective end with the port of said communication sources end; The port of said communication objective end is the port of the destination corresponding with the port of source end said to be established a communications link, and said communication objective end is the destination corresponding with source end to be established a communications link.
Enquiry module A12 generally provides two interfaces: interface is in order to the title of the port of the sign of query communication destination, communication objective end; Another interface is in order to the sign of query communication source end, the title of the port of communication sources end.
If said topological structure description document also comprises the number of title, type and the communication port of said source end; The type and the time of delay of the port of said source end; The type of the port of said source end comprises: type of receipt, transmission types and the reception transmission types of holding concurrently, and enquiry module A12 then is also in order to search the type and the time of delay of the port of said source end in said topological structure description document; And with the type of the port of said source end with add time of delay in the COM1 information.
After routing table cache modules A 112 is obtained the topological structure description document, this document is preserved into a router cache table, deposit in the routing table cache modules A 112, the content of router cache table is identical with the topological structure description document.The structure of router cache table is the annexation formation by the row tissue; Article one, annexation is described the connection of a pair of port, comprises: " sign of source end ", " sign of destination "; " title of the port of source end "; " title of the port of destination ", " type ", " time of delay " six fields.
Routing table cache modules A 112 mainly has the following advantages; When parallel transaction-level analogue system to be simulated is huge; The annexation of in partial model or other simulators, preserving huge system is to need a large amount of internal memories; Therefore, in order to reduce memory cost, routing table cache modules A 112 will only be preserved part routing iinformation commonly used.Said routing iinformation mostly is meant COM1 information; That is to say; Routing table cache modules A 112 is kept at the port commonly used or the COM1 information of partial model in the router cache table from the topological structure description document, has practiced thrift memory space like this.
Routing iinformation administration module A11 also comprises update module A111, and the routing iinformation of searching when needs is in routing table cache the time, with direct acquired information; If the routing iinformation of searching is not in routing table cache; 112 needs of routing table cache modules A read the topological structure description document again; Obtain corresponding routing iinformation; Update module A111 is according to new topological structure description document, and the old router cache table of the preservation in the routing table cache modules A 112 before replacing.
That is to say that update module A111 upgrades the router cache table and safeguards.If enquiry module A12 is in the router cache table; Search COM1 information less than the port of communication sources end; Then routing table cache modules A 112 is obtained the topological structure description document again; Obtain corresponding information, update module A111 preserves new information in the old router cache table, forms new router cache table.That is to say that update module A111 is according to new topological structure description document, corresponding new and old router cache table, and preserve and form new router cache table.
Fig. 4 is a kind of flow chart of execution mode of the message method of COM1 provided by the invention, comprising:
S201 reads the COM1 information corresponding with the port of said communication sources end from said port router, and is the communication sources end and corresponding communication objective end is set up COM1 and configuration communication passage based on said COM1 information;
S202 obtains the incident bag, and said incident bag comprises the title of the event content and the port of the communication sources end that sends this incident bag;
S203 adds said event content with said COM1 information and forms message;
S204 sends said message through said communication port.
Because the traffic volume of message is generally bigger; Therefore said message method also comprised according to the time of sending message, set up the transmission buffer queue of message, prevented to pour in message at one time; Strengthen the live load of COM1, cause situation when machine or clogged with messages.Message is issued to communication objective end through communication port, and communication port is generally realized through parallel host network.
Said incident bag is sent by component logic, and this is in order better to divide the function of component logic.Component logic is used for sending the incident bag or receives the result of event content, that is to say that said component logic is in order to accomplish the logic function except that contacts with overseas parties.COM1 is used to receive event content, incident bag or the incident of transmission bag, message or result.The service area of component logic with COM1 separated, prevent both functions intersections, lump together, improve the reusability of partial model.
Fig. 5 is a kind of flow chart of execution mode of the message receival method of COM1 provided by the invention, comprising:
S301 is through receiving said message with the corresponding communication port of said communication sources end;
S302 resolves said message, obtains the title of the event content and the port of the communication objective end that receives this message.
The message that communication objective termination is received is to send through the message method of COM1 shown in Figure 4, and according to the time sequencing that receives said event content, sets up the reception buffer queue of said event content.Because event content is included in the message, therefore the reception buffer queue of said event content generally comprises the time sequencing foundation of the message of this event content according to reception, therefore is also referred to as the message sink buffer queue.
After communication objective termination is received said message, it is resolved, obtain concrete COM1 information, carry out follow-up work.When resolving said message,, resolve said message one by one according to receiving putting in order of buffer queue.
Follow-up work comprises, handles said event content, and the feedback processing result, and said result feeds back to the component logic of communication objective end.When handling said message, can also obtain title and the sign of communication objective end of port of sign, the communication sources end of the communication sources end of said message as required.
Fig. 6 is the structure chart of a kind of execution mode of COM1 A2 provided by the invention, and said COM1 A2 comprises:
Port arrangement modules A 21 in order to obtaining the COM1 information corresponding with the port of said communication sources end from the port router, and is communication sources end and corresponding communication objective end configuration communication passage based on said COM1 information;
Message transmission module A22, in order to obtain the incident bag, said incident bag comprises the title of the event content and the port of the communication sources end that sends this incident bag, said COM1 information is added said event content form message and send said message.
COM1 A2 also comprises:
Message processing module A23, the event content in order in the message of obtaining and handle other COM1s transmissions feeds back to component logic A4 with result;
Message is sent cache module A24, in order to the time sequencing according to the message of sending, sets up the transmission buffer queue of said message;
Message sink cache module A25 in order to the time sequencing according to event content in the message that receives, sets up the reception buffer queue of said event content;
Port information administration module A26 is in order to preserve the COM1 information corresponding with the port of said communication sources end.
The structure of COM1 is as shown in Figure 6.Comprise port arrangement modules A 21, message transmission module A22 and message sink cache module A25 among the COM1 A2, message is sent cache module A24, message processing module A23, port information administration module A26.
Wherein port arrangement modules A 21 is obtained the COM1 information corresponding with the port of said communication sources end, and is the communication objective end configuration communication passage of communication sources end and correspondence based on said COM1 information.Behind the port arrangement modules A 21 obtaining communication port informations, will said communication port configuration be accomplished, to guarantee carrying out smoothly of message transmission or reception.
Message transmission module A22 and message processing module A23 are used for transmission, reception and the processing of control messages; Port information administration module A26 is used for link information, COM1 information of minute book port etc.; The link information of the port comprises that there are annexation in this port and which port, which communication objective end to have annexation etc. with.COM1 information comprises the title of the port, the title of the port of destination, the type of port (transmission types, type of receipt send the type of receipt of holding concurrently).
COM1 can also only be used for receiving and processing messages, and this COM1 comprises message processing module, in order to obtain said event content; Said message processing module is also in order to handling said event content, and the feedback processing result is to the component logic of communication objective end.This COM1 that is used to receive with processing messages also comprises: the message sink cache module, in order to according to the time sequencing of obtaining said event content, set up the reception buffer queue of said event content.
COM1 can be divided into three kinds according to its function: only send message COM1, receive only the COM1 of message, not only sent but also received the COM1 of message.The COM1 that had not only sent but also received message is identical or close with the structure of COM1 A2; Receive only the COM1 of message, the message processing module that generally only comprises and message sink cache module or with the identical or similar module of above-mentioned two kinds of functions of modules; The COM1 that only sends message generally comprises the port arrangement module, message transmission module, and message is sent cache module and port information administration module.
Fig. 7 is the structure chart (having omitted the concrete structure of COM1 A2 among the figure) of a kind of execution mode of communication module provided by the invention, comprising: port router-A 1, port queue administration module A32 and communication controler A31;
Communication controler A31, in order to obtain the incident bag, said incident bag comprises the title of the event content and the port of the communication sources end that sends this incident bag;
Port queue administration module A32 in order to obtaining the COM1 information corresponding with the port of said communication sources end from port router-A 1, and sets up COM1 A2 based on said COM1 information;
COM1 A2 comprises:
The port arrangement module in order to obtaining said COM1 information from port router-A 1, and is communication sources end and corresponding communication objective end configuration communication passage based on said COM1 information;
Message transmission module in order to obtain said incident bag from said communication controler, adds said event content with said COM1 information and forms message and send said message through said communication port.
Communication module A3 generally is used for receiving or initiating a message, so the message also sent in order to the port that receives by the communication sources end of communication controler A31, and this message comprises the COM1 information and the event content of the port of the communication sources end that sends this message.That is to say that communication controler A31 is used for receiving the message that the miscellaneous part model sends.
If communication controler A31 is also in order to receive message, then port queue administration module A32 also in order to resolve the message that said communication controler A31 receives, obtains the title of event content with the port of the communication objective end that receives this message of this message.
COM1 A2 also comprises message processing module, resolve the event content that obtains in order to receive and to handle said port queue administration module, and the feedback processing result is to the component logic of communication objective end; Message is sent cache module, in order to according to the time sequencing of sending said message, sets up the transmission buffer queue of said message; The message sink cache module in order to the time sequencing according to the event content of the message that receives, is set up the reception buffer queue of said event content; The port information administration module is in order to preserve the port information of said COM1.
Message is sent cache module and the message sink cache module can also be set up buffer queue according to the priority of message or event content, the capacity of message etc.
Port queue administration module A32 also in order to monitoring communications port A2, when COM1 A2 is idle, controls this COM1 and receives said event content or send said message.By port queue administration module A32 monitoring communications port A2; The free time, controlling this COM1 receives said event content or sends said message; This is in order to prevent clogged with messages; Further, this COM1 of sequential control according to buffer queue receives said event content or sends said message.
Fig. 8 is the flow graph that sends of message provided by the invention, and Fig. 9 is the reception flow graph of message provided by the invention.Specify below in conjunction with Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9.
After parallel transaction-level analogue system starts, communication module A3 will dispose automatically.At first port router-A 1 will read the topological structure description document, and the topological structure description document that reads is kept in the routing table cache modules A 112, form the route-caching table.Then enquiry module A12 searches title and the sign of communication objective end of the port of the communication objective end corresponding with the port of said communication sources end in the route-caching table.
Communication module A3 incites somebody to action own affiliated partial model as the communication sources end; Obtain the COM1 information corresponding from port router-A 1, and set up COM1 and be communication sources end and corresponding communication objective end configuration communication passage based on said COM1 information with the port of said communication sources end.Specifically, port queue administration module A32 inquires about through the enquiry module A12 in the port router-A 1, obtains the COM1 information that communication module A3 needs, and sets up COM1 A2 based on said COM1 information.COM1 information comprises the sign of destination, the title of the port of destination, and the type of this port be single transmission, receive, or transceiver port.COM1 information will be kept among the port information administration module A26 of each COM1.Port queue administration module A32 obtaining communication port information is therefrom confirmed to set up several COM1s.
Port arrangement modules A 21 finds the sign of communication sources end and the sign of communication objective end from COM1 information, configuration communication port between the two.When component logic A4 need send message, need message to be sent to communication objective end from the communication sources end through communication port.Communication port generally is to rely on parallel host network to realize, sends message through communication port, also can regard as through parallel host network and send message.
Message transmitting process is as shown in Figure 8, when component logic A4 outwards sends message through COM1 A2, only need indicate and use which COM1 to get final product, and need not to provide the connection situation of this port in system.As shown in Figure 8, the incident bag that component logic A4 sent only comprises " title of transmit port " and " event content " two substances, and " title of transmit port " be the title of the COM1 of communication sources end just.When the incident bag gets into communication module A3, at first will carry out Message Processing by communication controler A31, communication controler A31 resolves message, obtains " title of transmit port " and " event content ".After port queue administration module A32 obtains the control of respective communications port, the incident bag after resolving is temporarily stored in message sends among the cache module A24.The control that obtains respective communications port is meant whether monitor this port idle, when this port is idle, controls this port and sends message.Message transmission module A22 sends incident bag of taking-up the cache module A24 from message when external communication port is idle, the COM1 information that adds the corresponding port according to " title of transmit port " forms message.Generally speaking; For the incident bag increases " sign of communication sources end "; " title of the port of communication sources end ", " sign of communication objective end ", " title of the port of communication objective end " four fields; Based on the content of these four fields, message can be sent on parallel host network A 61.
The receiving course of message is as shown in Figure 9, after the partial model that the message of being sent by the communication sources end is arrived as communication objective end by parallel host network A 61, will at first pass to communication controler A31, is resolved the message of receiving by communication controler A31.This moment, message comprised the COM1 information and the event content of the port of the communication sources end that sends this message; Comprise " sign of communication sources end " particularly; " title of the port of communication sources end "; " sign of communication objective end ", " title of the port of communication objective end ", and " event content " five parts.According to " title of the port of communication objective end "; Port queue administration module A32 simplifies the message bag for having only " title of receiving port " and " event content " two parts; And obtain the control of corresponding receiving port; Just monitor this port, when this port is idle, controls this port and receive." title of receiving port " just " title of the COM1 of communication objective end " wherein.Message after simplifying will pass to the message sink cache module A25 of COM1 A2, when this port is idle, will pass to message processing module A23 and will handle, and result will be passed to component logic A4.
Figure 10 is the structure chart of a kind of execution mode of partial model provided by the invention, and Figure 11 is the structure chart of a kind of execution mode of parallel transaction-level analogue system provided by the invention.Specify below in conjunction with Figure 10 and Figure 11.
Figure 10 is the structure chart of a kind of execution mode of partial model provided by the invention, and partial model A62 comprises: communication module A3 and component logic A4.Component logic A4 is used to send the incident bag or receives result.
Figure 11 is the structure chart of a kind of execution mode of parallel transaction-level analogue system provided by the invention, and parallel transaction-level analogue system A6 comprises partial model A62 and parallel host network A 61.
Each partial model A62 simulates the part among the parallel transaction-level analogue system A6 independently, and carries out the transmission of message through parallel host network A 61.When carrying out between the partial model A62 when mutual, will transmit message through parallel host network A 61.When simulation walks abreast transaction-level analogue system A6, realize comprising event content or incident bag in the message alternately through message between two partial model A62.The incident bag is the packet of User Defined structure.In this packet, the user is with being the event content of granularity with the sequential between the abstract realization hardware module.
The interaction protocol that the process of interacting message is common and partial model A62 adopts is irrelevant; Usually do not relate to concrete details such as bus timing; That is to say that component logic A4 sends or receive result, communication module A3 is responsible for becoming message to send through its COM1 A2 the incident collation package.Component logic A4 is indifferent to message and by whom is sent, and only is concerned about and has sent what message, has received what result.Accordingly, communication module A3 is indifferent to and sends or received what message, only is concerned about whose transmission whom to send to.This has been divided into two parts with partial model A62, and component logic A4 is responsible for sending the incident bag or receives result, and communication module A3 is responsible for sending or receiving message.During design part model A62; Which kind of communication no longer is entangled with in parallel transaction-level analogue system needs connect; How annexation between the partial model designs; When design walked abreast the transaction-level analogue system, how the annexation of also no longer being entangled with between partial model designed the communication connection that could satisfy parallel transaction-level analogue system.These annexations or communication connection are preset in the topological structure description document; Only need obtain this document; Communicate the configuration of passage according to the content of this document, just can satisfy the demand that the communication of parallel transaction-level analogue system connects, and also realize the annexation between the partial model.
This not only reduces the degree of coupling between partial model and the parallel transaction-level analogue system, and improves the development efficiency of parallel transaction-level analogue system.If when the annexation between the partial model or the changing of communication link sending and receiving of parallel transaction-level analogue system; Only need to revise content corresponding in the topological structure description document; Then route cache table and COM1 information are upgraded, just can be accomplished the modification that the communication of annexation or parallel transaction-level analogue system between the partial model connects.The expense that this has reduced partial model and the maintenance of parallel transaction-level analogue system no longer needs design part model or parallel transaction-level analogue system again, has strengthened the reusability of partial model, reduces the wasting of resources, has practiced thrift cost.
Figure 12 is that the communication of partial model in the parallel transaction-level analogue system provided by the invention connects sketch map.Figure 12 is described in the correspondence between the partial model A62 of two parallel runnings in the parallel transaction-level analogue system, has omitted other structures here.The structure of the communication module A3 of parallel transaction-level simulation and the applied environment in parallel transaction-level analogue system thereof are shown in figure 12, and communication module A3 mainly comprises: COM1 A2, communication controler A31, port queue modules A 32, port router-A 1.Port router-A 1 obtains outside topological structure description document.
COM1 A2 is connected with port router-A 1 through port queue modules A 32, can obtain the information in the port router-A 1 through port queue modules A 32.
Shown in figure 12, carry out through communication module A3 alternately between two partial models, when component logic A4 need carry out PERCOM peripheral communication, will at first pass to communication module A3 to the incident bag, be responsible for incident sealed by communication module A3 and dress up message and transmit; Equally, when receiving message, the message of receiving will at first be responsible for processing by communication module A3, passes to component logic A4 again.Under this design; Component logic A4 carries out with the outside communication module A3 that will rely on fully alternately; Can under the situation of not considering external condition, realize the internal logic of partial model A62 independently, this design has improved the development efficiency of partial model effectively.
Each partial model A62 can be divided into two parts, and a part is not relate to externally mutual component logic A4, and another part is the communication module A3 that is responsible for outside mutual.Figure 13 is the structure chart of a kind of execution mode of incident bag provided by the invention, and Figure 14 is the structure chart of a kind of execution mode of message provided by the invention.
Incident bag B1 shown in Figure 13 comprises the title B11 and the event content B10 of transmit port, and the title B11 of transmit port is the title of the port of communication sources end just.Incident bag B1 is sent by component logic A4.Message B2 shown in Figure 14 comprises event content B10, the sign B12 of communication sources end, the title B11 ' of the port of communication sources end, the sign B13 of communication objective end, the title B14 of the port of communication objective end.Wherein the title B11 ' of the port of communication sources end is identical with the title B11 of transmit port among Figure 13.Message B2 is after receiving incident bag B1 by communication module A3, adds that ingress port information forms, and is finally sent by COM1.
In sum; The disclosed technical scheme of the embodiment of the invention; Reduced the degree of coupling between partial model and the parallel transaction-level analogue system, improved the development efficiency of parallel transaction-level analogue system, reduced expense partial model and the maintenance of parallel transaction-level analogue system.
Though the present invention with preferred embodiment openly as above; But it is not to be used for limiting the present invention; Any those skilled in the art are not breaking away from the spirit and scope of the present invention; Can utilize the method and the technology contents of above-mentioned announcement that technical scheme of the present invention is made possible change and modification, therefore, every content that does not break away from technical scheme of the present invention; To any simple modification, equivalent variations and modification that above embodiment did, all belong to the protection range of technical scheme of the present invention according to technical spirit of the present invention.
Claims (30)
1. the method for routing of a COM1 is characterized in that, comprising:
Obtain the topological structure description document, said topological structure description document comprises the title of port of title and destination of port of sign, the source end of sign, the destination of source end;
The title of the port of obtaining communication source end, said communication sources end are source end to be established a communications link, and the port of said communication sources end is the port of source end to be established a communications link;
In said topological structure description document, search title and the sign of communication objective end of the port of the communication objective end corresponding with the port of said communication sources end; The port of said communication objective end is the port of the destination corresponding with the port of source end said to be established a communications link, and said communication objective end is the destination corresponding with source end to be established a communications link;
The record communication port information, said COM1 information comprises the sign of said communication sources end, the title of the port of communication sources end, the sign of communication objective end, the title of the port of communication objective end;
Based on said COM1 information is that said communication sources end and communication objective end are set up COM1 and configuration communication passage.
2. the method for routing of COM1 as claimed in claim 1 is characterized in that, said topological structure description document also comprises the number of title, type and the communication port of source end; The type of the port of source end and time of delay; The type of the port of said source end comprises: type of receipt, transmission types and the reception transmission types of holding concurrently.
3. the method for routing of COM1 as claimed in claim 2 is characterized in that, also is included in the type and the time of delay of searching the port of said source end in the said topological structure description document; Said COM1 information also comprises the type and the time of delay of the port of said source end.
4. a port router is characterized in that, comprising: routing iinformation administration module and enquiry module, and said routing iinformation administration module comprises the routing table cache module;
Said routing table cache module, in order to obtaining the topological structure description document, said topological structure description document comprises the title of port of title and destination of port of sign, the source end of sign, the destination of source end; Also in order to the title of the port of obtaining communication source end, said communication sources end is a source end to be established a communications link, and the port of said communication sources end is the port of source end to be established a communications link; Also in order to the record communication port information, said COM1 information comprises the sign of said communication sources end, the title of the port of communication sources end, the sign of communication objective end, the title of the port of communication objective end;
Said enquiry module; In order to the title of the port of in said topological structure description document, searching the communication objective end corresponding and the sign of communication objective end with the port of said communication sources end; The port of said communication objective end is the port of the destination corresponding with the port of source end said to be established a communications link, and said communication objective end is the destination corresponding with source end to be established a communications link.
5. port router as claimed in claim 4 is characterized in that, said topological structure description document also comprises the number of title, type and the communication port of source end; The type and the time of delay of the port of said source end; The type of the port of said source end comprises: type of receipt, transmission types and the reception transmission types of holding concurrently.
6. port router as claimed in claim 5 is characterized in that, said enquiry module is also in order to search the type and the time of delay of the port of said source end in said topological structure description document; Said COM1 information also comprises the type and the time of delay of the port of said source end.
7. port router as claimed in claim 4 is characterized in that, said routing table cache module is also in order to save as the route-caching table with said topological structure description document; Said routing iinformation administration module also comprises update module, and said updating module is upgraded said route-caching table and said COM1 information.
8. the message method of a COM1 that is connected with each described port router of claim 4-7 is characterized in that, comprising:
Obtain the COM1 information corresponding from said port router, and be the communication sources end and corresponding communication objective end is set up COM1 and configuration communication passage based on said COM1 information with the port of said communication sources end;
Obtain the incident bag, said incident bag comprises the title of the event content and the port of the communication sources end that sends this incident bag;
Said COM1 information is added said event content form message;
Send said message through said communication port.
9. the message method of COM1 as claimed in claim 8 is characterized in that, also comprises according to the time sequencing of sending said message, sets up the transmission buffer queue of said message.
10. the message method of COM1 as claimed in claim 8 is characterized in that, said message is sent to said communication objective end through parallel host network.
11. the message method of COM1 as claimed in claim 8 is characterized in that, said incident bag obtains from component logic, and said component logic is in order to realize logic function.
12. the message receival method of a COM1 is characterized in that,
Said message is sent with the message method of each described COM1 of claim 8-11;
Said message receival method comprises:
Through receiving said message with the corresponding communication port of said communication sources end;
Resolve said message, obtain the title of the event content and the port of the communication objective end that receives this message.
13. the message receival method of COM1 as claimed in claim 12 is characterized in that, also comprises handling said event content, and sends result.
14. the message receival method of COM1 as claimed in claim 12 is characterized in that, also comprises according to the time sequencing of obtaining said event content, sets up the reception buffer queue of said event content.
15. a COM1 that is connected with each described port router of claim 4-7 is characterized in that, comprising:
The port arrangement module in order to obtaining the COM1 information corresponding with the port of said communication sources end from said port router, and is communication sources end and corresponding communication objective end configuration communication passage based on said COM1 information;
Message transmission module; In order to obtain the incident bag; Said incident bag comprises the title of the event content and the port of the communication sources end that sends this incident bag, said COM1 information is added said event content form message and send said message through said communication port.
16. COM1 as claimed in claim 15 is characterized in that, also comprises:
Message processing module, the event content in order in the message of obtaining and handle other COM1s transmissions feeds back to component logic with result.
17. COM1 as claimed in claim 16 is characterized in that, also comprises:
Message is sent cache module, in order to the time sequencing according to the message of sending, sets up the transmission buffer queue of said message;
The message sink cache module in order to the time sequencing according to event content in the message that receives, is set up the reception buffer queue of said event content;
The port information administration module is in order to the corresponding COM1 information of port of preserving said and said communication sources end.
18. a COM1 is characterized in that, comprising:
Message processing module is in order to the event content in the message of obtaining each described COM1 transmission of claim 15-17.
19. COM1 as claimed in claim 18 is characterized in that, said message processing module is also in order to handling said event content, and sends result.
20. COM1 as claimed in claim 19 is characterized in that, also comprises the message sink cache module, in order to the time sequencing according to said event content, sets up the reception buffer queue of said event content.
21. a communication module is characterized in that, comprising: like each described port router of claim 4-7, port queue administration module and communication controler;
Said communication controler, in order to obtain the incident bag, said incident bag comprises the title of the event content and the port of the communication sources end that sends this incident bag;
Said port queue administration module in order to obtaining the COM1 information corresponding with the port of said communication sources end from said port router, and is set up COM1 based on said COM1 information;
Said COM1 comprises:
The port arrangement module in order to obtaining said COM1 information from said port router, and is communication sources end and corresponding communication objective end configuration communication passage based on said COM1 information;
Message transmission module in order to obtain said incident bag from said communication controler, adds said event content with said COM1 information and forms message and send said message through said communication port.
22. communication module as claimed in claim 21 is characterized in that, the message that said communication controler also sends in order to the port that receives by the communication sources end.
23. communication module as claimed in claim 22 is characterized in that, said port queue administration module also in order to resolve the message that said communication controler receives, obtains the title of event content with the port of the communication objective end that receives this message of this message.
24. communication module as claimed in claim 23 is characterized in that, said COM1 also comprises:
Message processing module is resolved the event content that obtains in order to receive and to handle said port queue administration module, and is sent result.
25. communication module as claimed in claim 24 is characterized in that, said COM1 also comprises:
Message is sent cache module, in order to the time sequencing according to the message of sending, sets up the transmission buffer queue of said message;
The message sink cache module in order to the time sequencing according to the event content of the message that receives, is set up the reception buffer queue of said event content;
The port information administration module is in order to preserve the COM1 information corresponding with the port of said communication sources end.
26. communication module as claimed in claim 25 is characterized in that, said port queue administration module also in order to monitor said COM1, when said COM1 is idle, is controlled this COM1 and is received said event content or send said message.
27. one kind comprises the partial model like each described communication module of claim 21-26.
28. partial model as claimed in claim 27 is characterized in that, also comprises component logic, the result that is used to send the incident bag or receives event content.
29. one kind comprises the parallel transaction-level analogue system like claim 27 or 28 described partial models.
30. parallel transaction-level analogue system as claimed in claim 29 is characterized in that, also comprises: parallel host network, transmit in order to realize the message between partial model.
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