CN102523249A - Distributed long-distance simulation system and simulation method based on Web - Google Patents
Distributed long-distance simulation system and simulation method based on Web Download PDFInfo
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- CN102523249A CN102523249A CN2011103794127A CN201110379412A CN102523249A CN 102523249 A CN102523249 A CN 102523249A CN 2011103794127 A CN2011103794127 A CN 2011103794127A CN 201110379412 A CN201110379412 A CN 201110379412A CN 102523249 A CN102523249 A CN 102523249A
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Abstract
A distributed long-distance simulation system and a simulation method based on a Web belong to the technical field of distributed system long-distance simulation and solve a problem that the existing distributed system cannot be jointed with a long-distance node to asynchronously or synchronously complete jointly to achieve reasonable use of resources when completing simulation tasks. The simulation system comprises a Web agent server, a Web main server, a distributed server and n long-distance different-place nodes, wherein the n is an integer larger than 2. The simulation method based on the simulation system comprises two modes for executing simulation processes, the two modes for executing the simulation processes respectively execute the simulation process or execute the simulation process through mixing work of the two modes for executing the simulation processes. The distributed long-distance simulation system and the simulation method are applicable to simulation of the long-distance system.
Description
Technical field
The present invention relates to a kind of distributed remote analogue system and emulation mode, belong to distributed system remote emulation technical field based on Web.
Background technology
There is following problem in present existing distributed system:
At first, its function has his own strong points, but also for the user system of service is not provided based on Web, and does not have good visual platform;
Secondly, it does not realize the relevant artificial tasks of the common asynchronous or synchronous completion of associating remote node, fails to realize the reasonable utilization of reasonable resource;
Once more, it does not realize the ability that a plurality of node parallel synchronous or single node multi-threaded parallel calculate yet.
Summary of the invention
The objective of the invention is in order to solve the existing distributed system when accomplishing artificial tasks; Can not unite the common asynchronous or synchronous completion of remote node; Problem to realize making rational use of resources provides a kind of distributed remote analogue system and emulation mode based on Web.
Distributed remote analogue system based on Web according to the invention, it comprises web proxy server, Web master server, distributed server and n long-range strange land node, n is the integer greater than 2;
The web proxy server is used for to the user calculation task inventory to be selected being provided with Web webpage visual way; And through the calculation task of Web service interface reception user selection and the instruction of relevant system parameters; Generate task instances file then, through the long-range Web master server of submitting to of TCP/IP with unique trait sign;
The web proxy server also is used to receive the execution result of Web master server passback, and submits to the user;
The Web master server is used to receive the task instances file that the web proxy server is submitted to, again this task instances file is submitted to distributed server, and starts and control the operation of this task instances file;
The Web master server also is used to receive the execution result of distributed server passback and submit to the web proxy server;
Distributed server is used to set up distributed remote simulation work task list, and is distributed to the long-range strange land node that each need accomplish this distributed remote simulation work task;
Distributed server also is used to receive the execution result that each long-range strange land node is accomplished, and submits to the Web master server;
Long-range strange land node is used to carry out asynchronous or synchronous calculating, the said remote emulation task that receives up to completion,
Long-range strange land node also is used for the execution result of said remote emulation task is submitted to distributed server.
Said Web master server also is used for through distributed server the simulation work task of each long-range strange land node deploy being implemented to keep watch on and dispatching management.
User's request and system state change that said Web master server also is used for the web proxy server is submitted to join said task instances document queue as incident; Order according to FIFO; Through the mode of each long-range strange land node of distributed server control the task instances file is responded, and realize function corresponding by respective remote strange land node with multithreading.
Be connected through the node gateway engine between said web proxy server and the Web master server, connect through the node gateway engine between distributed server and n the long-range strange land node.
Node gateway engine between the node of the individual long-range strange land of said distributed server and n; Be used for the configuration information that employed task description and configuration file provided when setting up the task instances file; Seek the corresponding calculated resource interface and support a type long-range strange land node, to realize and being connected of this kind computational resource.
Said node gateway engine is supported Linux or Windows operating system.
Emulation mode based on above-mentioned distributed remote analogue system based on Web; It comprises two kinds of modes of carrying out simulation process, and these the two kinds modes of carrying out simulation process are carried out simulation process or two kinds of mode hybrid workings execution simulation process of carrying out simulation process respectively separately:
First kind: calculation task and relevant system parameters that said analogue system is selected according to the user; Make n a plurality of long-range strange land node parallel synchronous in the node of long-range strange land carry out simulation process by the Web master server through distributed server control; Other long-range strange land node is divided into a plurality of groups by order; With this a plurality of long-range strange lands node sequence executive process, until obtaining final execution result;
Second kind: calculation task and relevant system parameters that said analogue system is selected according to the user; Make a n long-range strange land node parallel synchronous in the node of long-range strange land carry out a plurality of simulation process by the Web master server through distributed server control; This long-range strange land node and other long-range strange land node sequence executive process are until obtaining final execution result.
In said first kind of simulation process,
A plurality of long-range strange land node parallel synchronous in the node of the individual long-range strange land of said n is carried out its remote emulation task that will accomplish, then execution result is returned distributed server,
Distributed server is submitted to next with the execution result of current reception in order as input parameter or data and is organized long-range strange land node; This next organize long-range strange land node parallel synchronous and carry out its remote emulation task that will accomplish; Then execution result is returned distributed server; This process is carried out in circulation successively, until obtaining final execution result.
In said second kind of simulation process,
Said first long-range strange land node parallel synchronous is carried out a plurality of remote emulation tasks that it will be accomplished, and then execution result is returned distributed server,
Distributed server is submitted to second long-range strange land node with the execution result of current reception as input parameter or data; Second long-range strange land node parallel synchronous carried out a plurality of remote emulation tasks that it will be accomplished; Then execution result is returned distributed server; This process is carried out in circulation successively, until obtaining final execution result.
Advantage of the present invention is: the structure that the present invention relates to web service, Distributed Services and relevant analogue system thereof; It is common asynchronous or accomplish artificial tasks synchronously that it unites long-range strange land node; The kinds of platform that merges long-range strange land has realized reasonable reasonable resources utilization for the user provides the Distributed Calculation service.
The invention provides a kind of strong and wieldy technological means; Make the computational resource owner in long-range strange land simply the various different platforms that it had, the computational resource on the different system to be shared out; By node the build tool with its serviceization; Formation has the distributed remote analogue system based on Web of unified interface; Can communicate with other long-range strange land calculation services nodes that identical middleware and similar configuration are installed fairly simplely through middleware and configuration simply are installed, form the place remote DCE of the many back-up environments of multinode.
Description of drawings
Fig. 1 is the structural representation of analogue system according to the invention;
Fig. 2 is the signal flow graph that a plurality of long-range strange lands node parallel synchronous is carried out simulation process; Arrow is the flow direction that long-range strange land node sequence is executed the task among the figure;
Fig. 3 is the signal flow graph that single long-range strange land node parallel synchronous is carried out a plurality of simulation process, and arrow is the flow direction that long-range strange land node sequence is executed the task among the figure.
Embodiment
Embodiment one: this execution mode is described below in conjunction with Fig. 1 to Fig. 3; The said distributed remote analogue system of this execution mode based on Web; It comprises web proxy server 1, Web master server 2, distributed server 3 and n long-range strange land node 4, and n is the integer greater than 2;
Distributed server 3 is used to set up distributed remote simulation work task list, and is distributed to the long-range strange land node 4 that each need accomplish this distributed remote simulation work task;
Distributed server 3 also is used to receive the execution result that each long-range strange land node 4 is accomplished, and submits to Web master server 2;
Long-range strange land node 4 is used to carry out asynchronous or synchronous calculating, the said remote emulation task that receives up to completion,
Long-range strange land node 4 also is used for the execution result of said remote emulation task is submitted to distributed server 3.
The described analogue system of this execution mode based on the Web service structure, can realize a plurality of strange lands space computing resources is carried out asynchronous or synchronization call; This analogue system is according to the order of FIFO, with the TCP/IP method of service of multithreading the task instances file responded, and realizes task instances file function corresponding;
Long-range strange land node 4 disposes the connector of actual connection computational resource through configuration file, realizes and being connected of Practical Calculation resource.
The user can select to obtain result's calculation task and relevant system parameters from the calculation task inventory list that can accomplish that web proxy server 1 provides; Then selected calculation task is generated the task instances file with unique trait sign by web proxy server 1; Distributed server 3 need be accomplished the long-range strange land node 4 of this task with the task instances file distributing to each; Long-range strange land node 4 carries out asynchronous or synchronous calculating; After said task instances is carried out end, execution result is returned Web master server 2, by web proxy server 1 last execution result and performance are submitted to the user again.
Embodiment two: this execution mode is for to the further specifying of execution mode one, and said Web master server 2 also is used for through distributed server 3 the simulation work task of each long-range strange land node 4 deploy being implemented to keep watch on and dispatching management.
Embodiment three: this execution mode is further specifying execution mode one or two; User's request and system state change that said Web master server 2 also is used for web proxy server 1 is submitted to join said task instances document queue as incident; Order according to FIFO; Through the mode of distributed server 3 each long-range strange land nodes 4 of control the task instances file is responded, and realize function corresponding by respective remote strange land node 4 with multithreading.
Embodiment four: this execution mode is further specifying execution mode one, two or three; Be connected through the node gateway engine between said web proxy server 1 and the Web master server 2, connect through the node gateway engine between distributed server 3 and n the long-range strange land node 4.
Embodiment five: this execution mode is further specifying execution mode four; Node gateway engine between the individual long-range strange land of said distributed server 3 and the n node 4; Be used for the configuration information that employed task description and configuration file provided when setting up the task instances file; Seek the corresponding calculated resource interface and support a type long-range strange land node 4, to realize and being connected of this kind computational resource.
Said node gateway engine is used to provide the unified interface of transfer of data.
Long-range strange land node 4 is equivalent to provide a kind of resource interface, and it adopts plug-in unit to unify configuration structure, and through the actual connector that connects computational resource of configuration file configuration, realization is connected with the Practical Calculation resource.
Embodiment six: this execution mode is for to the further specifying of execution mode four or five, and said node gateway engine is supported Linux or Windows operating system.
Embodiment seven: this execution mode is described below in conjunction with Fig. 1 to Fig. 3; The said emulation mode of this execution mode based on aforementioned distributed remote analogue system based on Web; It comprises two kinds of modes of carrying out simulation process, and these the two kinds modes of carrying out simulation process are carried out simulation process or two kinds of mode hybrid workings execution simulation process of carrying out simulation process respectively separately:
First kind: calculation task and relevant system parameters that said analogue system is selected according to the user; Make n a plurality of long-range strange land node 4 parallel synchronous in the long-range strange land node 4 carry out simulation process by Web master server 2 through distributed server 3 controls; Other long-range strange land node 4 is divided into a plurality of groups by order; With these a plurality of long-range strange lands node 4 order executive process, until obtaining final execution result;
Second kind: calculation task and relevant system parameters that said analogue system is selected according to the user; Make n long-range strange land node 4 parallel synchronous in the long-range strange land node 4 carry out a plurality of simulation process by Web master server 2 through distributed server 3 controls; This long-range strange land node 4 and other long-range strange land node 4 order executive process are until obtaining final execution result.
Embodiment eight: below in conjunction with Fig. 2 this execution mode is described, this execution mode is for to the further specifying of execution mode seven, in the said first kind of simulation process of this execution mode,
A plurality of long-range strange land node 4 parallel synchronous in the individual long-range strange land of the said n node 4 are carried out its remote emulation task that will accomplish, then execution result are returned distributed server 3,
Distributed server 3 is submitted to next with the execution result of current reception in order as input parameter or data and is organized long-range strange land node 4; This next organize long-range strange land node 4 parallel synchronous and carry out its remote emulation task that will accomplish; Then execution result is returned distributed server 3; This process is carried out in circulation successively, until obtaining final execution result.
Shown in Figure 2; Listed a kind of possibility situation of the emulation mode of customization; Promptly 6 long-range strange land nodes 4 have been comprised in the distributed remote simulation work task list by distributed server 3 foundation; First long-range strange land node 4 and second long-range strange land node 4 want parallel synchronous to carry out its process that will accomplish, and process 1A and process 2A return the process execution result to distributed server 3 then.
Distributed server 3 with the process execution result of first long-range strange land node 4 of current reception and second long-range strange land node 4 as input parameter or data offer third and fourth, five long-range strange land nodes 4; Third and fourth, five long-range strange land nodes 4 carry out the process that it will be accomplished synchronously according to the parameter or the data parallel that receive; Process 3A, process 4A and process 5A return the process execution result to distributed server 3 then.
Distributed server 3 with current reception third and fourth, the process execution result of five long-range strange land nodes 4 offers the 6th long-range strange land node 4 as input parameter or data; The 6th long-range strange land node 4 carried out the process that it will be accomplished synchronously according to the parameter or the data parallel that receive; Process 6A returns the process execution result to distributed server 3 then.
The process execution result that this distributed server 3 will receive at last is as the result of calculation of final distributed remote analogue system; Return to Web master server 2, Web master server 2 is presented to user with result of calculation with the form of webpage through web proxy server 1 then.
Embodiment nine: below in conjunction with Fig. 3 this execution mode is described, this execution mode is for to the further specifying of execution mode seven, in the said second kind of simulation process of this execution mode,
Said first long-range strange land node 4 parallel synchronous are carried out a plurality of remote emulation tasks that it will be accomplished, and then execution result are returned distributed server 3,
Distributed server 3 is submitted to second long-range strange land node 4 with the execution result of current reception as input parameter or data; Second long-range strange land node 4 parallel synchronous carried out a plurality of remote emulation tasks that it will be accomplished; Then execution result is returned distributed server 3; This process is carried out in circulation successively, until obtaining final execution result.
Shown in Figure 3; Listed the another kind possibility situation of the emulation mode of customization; Promptly 3 long-range strange land nodes 4 have been comprised in the distributed remote simulation work task list by distributed server 3 foundation; First long-range strange land node 4 wants parallel synchronous to carry out its 4 processes will accomplishing, and process 1a, process 1b, process 1c and process 1d return these four process execution results to distributed server 3 then.
Distributed server 3 offers second long-range strange land node 4 with the process execution result of first long-range strange land node 4 of current reception as input parameter or data; Second long-range strange land node 4 carried out the process that it will be accomplished synchronously according to the parameter or the data parallel that receive; Process 2a, process 2b and process 2c return the process execution result to distributed server 3 then.
Distributed server 3 offers the 3rd long-range strange land node 4 with the process execution result of second long-range strange land node 4 of current reception as input parameter or data; The 3rd long-range strange land node 4 carried out the process that it will be accomplished synchronously according to the parameter or the data parallel that receive; Process 3a returns the process execution result to distributed server 3 then.
The process execution result that this distributed server 3 will receive at last is as the result of calculation of final distributed remote analogue system; Return to Web master server 2, Web master server 2 is presented to user with result of calculation with the form of webpage through web proxy server 1 then.
Analogue system of the present invention and emulation mode can be respectively above-mentioned two kinds of mode of operations mentioning; It can also be the mixing of these two kinds of two kinds of mode of operations; I.e. Cheng Yi ground node executed in parallel process separately simultaneously how far, and single long-range strange land node is a plurality of processes of executed in parallel simultaneously.
The present invention has made up based on the long-range strange land calculation services node of the Web process with the Distributed Calculation of implementation space calculation services, and the asynchronous or synchronization call model of SPATIAL CALCULATION service, the computational resource interface support method of various different platforms etc.Each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, and they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, perhaps they are made into each program module respectively, perhaps a plurality of modules in them or step are made into single program module and realize by calculation element.
Claims (9)
1. distributed remote analogue system based on Web is characterized in that: it comprises web proxy server (1), Web master server (2), distributed server (3) and n long-range strange land node (4), and n is the integer greater than 2;
Web proxy server (1) is used for to the user calculation task inventory to be selected being provided with Web webpage visual way; And through the calculation task of Web service interface reception user selection and the instruction of relevant system parameters; Generate task instances file then, through the long-range Web master server (2) of submitting to of TCP/IP with unique trait sign;
Web proxy server (1) also is used to receive the execution result of Web master server (2) passback, and submits to the user;
Web master server (2) is used to receive the task instances file that web proxy server (1) is submitted to, again this task instances file is submitted to distributed server (3), and starts and control the operation of this task instances file;
Web master server (2) also is used to receive the execution result of distributed server (3) passback and submit to web proxy server (1);
Distributed server (3) is used to set up distributed remote simulation work task list, and is distributed to the long-range strange land node (4) that each need accomplish this distributed remote simulation work task;
Distributed server (3) also is used to receive the execution result that each long-range strange land node (4) is accomplished, and submits to Web master server (2);
Long-range strange land node (4) is used to carry out asynchronous or synchronous calculating, the said remote emulation task that receives up to completion,
Long-range strange land node (4) also is used for the execution result of said remote emulation task is submitted to distributed server (3).
2. the distributed remote analogue system based on Web according to claim 1 is characterized in that: said Web master server (2) also is used for through distributed server (3) the simulation work task of each long-range strange land node (4) deploy being implemented to keep watch on and dispatching management.
3. the distributed remote analogue system based on Web according to claim 1 and 2; It is characterized in that: user's request and system state change that said Web master server (2) also is used for web proxy server (1) is submitted to join said task instances document queue as incident; Order according to FIFO; Control each long-range strange land node (4) through distributed server (3) and the task instances file is responded, and realize function corresponding by respective remote strange land node (4) with the mode of multithreading.
4. the distributed remote analogue system based on Web according to claim 3; It is characterized in that: be connected through the node gateway engine between said web proxy server (1) and the Web master server (2), connect through the node gateway engine between distributed server (3) and n the long-range strange land node (4).
5. the distributed remote analogue system based on Web according to claim 4; It is characterized in that: the node gateway engine between the individual long-range strange land node (4) of said distributed server (3) and n; Be used for the configuration information that employed task description and configuration file provided when setting up the task instances file; Seek the corresponding calculated resource interface and support a type long-range strange land node (4), to realize and being connected of this kind computational resource.
6. the distributed remote analogue system based on Web according to claim 5 is characterized in that: said node gateway engine is supported Linux or Windows operating system.
7. emulation mode based on the described distributed remote analogue system based on Web of claim 1; It is characterized in that: it comprises two kinds of modes of carrying out simulation process, and these the two kinds modes of carrying out simulation process are carried out simulation process or two kinds of mode hybrid workings execution simulation process of carrying out simulation process respectively separately:
First kind: calculation task and relevant system parameters that said analogue system is selected according to the user; Make n a plurality of long-range strange land node (4) parallel synchronous in the long-range strange land node (4) carry out simulation process by Web master server (2) through distributed server (3) control; Other long-range strange land node (4) is divided into a plurality of groups by order; With this a plurality of long-range strange land nodes (4) order executive process, until obtaining final execution result;
Second kind: calculation task and relevant system parameters that said analogue system is selected according to the user; Make a n long-range strange land node (4) parallel synchronous in the long-range strange land node (4) carry out a plurality of simulation process by Web master server (2) through distributed server (3) control; This long-range strange land node (4) and other long-range strange land node (4) order executive process are until obtaining final execution result.
8. the distributed remote emulation mode based on Web according to claim 7 is characterized in that: in said first kind of simulation process,
A plurality of long-range strange land node (4) parallel synchronous in the individual long-range strange land node (4) of said n is carried out its remote emulation task that will accomplish, then execution result is returned distributed server (3),
Distributed server (3) is submitted to next with the execution result of current reception in order as input parameter or data and is organized long-range strange land node (4); This next organize long-range strange land node (4) parallel synchronous and carry out its remote emulation task that will accomplish; Then execution result is returned distributed server (3); This process is carried out in circulation successively, until obtaining final execution result.
9. the distributed remote emulation mode based on Web according to claim 7 is characterized in that: in said second kind of simulation process,
Said first long-range strange land node (4) parallel synchronous is carried out a plurality of remote emulation tasks that it will be accomplished, and then execution result is returned distributed server (3),
Distributed server (3) is submitted to second long-range strange land node (4) with the execution result of current reception as input parameter or data; Second long-range strange land node (4) parallel synchronous is carried out a plurality of remote emulation tasks that it will be accomplished; Then execution result is returned distributed server (3); This process is carried out in circulation successively, until obtaining final execution result.
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