JPH09179807A - Message communication system and its method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To permit a server side/client side user program to utilize a asynchronous communication function without changing the structure of a server side/ client side user program part by respectively providing a specified information keeping function and a respresentative transmitting/receiving function. SOLUTION: This system is provided with the information keeping function where request information to be transmitted to a server from a client and response information to be returned to the client from the server are temporarily kept and the representative transmitting/receiving function executing a procedure calling instruction/procedure execution result reception in place of the client. That is, an application module 7 is the keeping function module and mediates between an information originator and an information receiver in the transmission/reception of transmitted information. The application module 8 is the representative function module, calls the procedure of an information receiver side in place of the information originator and returns the procedure execution result to the information receiver in place of the information receiver.

Description

Detailed Description of the Invention

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an interprocess message communication system of a client / server type system, and is particularly suitable for a system in which communication partner processes operate independently of each other, when the processes pass messages to each other. Message communication system and method.

[Prior art]

(A known example closest to the invention) DEC messageQ The interprocess message communication system of the distributed system includes:
There are a synchronous communication system and an asynchronous communication system. The synchronous communication method is a method of transmitting and receiving a message in a state where a message transmitting side process and a message receiving side process are operating simultaneously, and the message transmitting side process and the message receiving side process operate in synchronization. That is, the message sending process of the sending side process ends when the message reaches the receiving side process, or when the message reaches the receiving side and a response message to the receiving side is received. On the other hand, the asynchronous communication method is a method in which a message sending side process and a message receiving side process send and receive a message without being aware of the operating state of the other party, and the message sending side process and the message receiving side process operate asynchronously. That is,
There is an intermediary function that mediates the passing of messages.
The message sending process of the sending side process ends when the receiving side is designated and a message is sent to the intermediary function unit. The receiving process receives a message from the mediation function unit at an arbitrary timing. Conventionally, a message communication system which realizes the asynchronous communication system which is the object of the present invention has been proposed by DEC MessageQ. The communication system provides a process on the system with a send command and a receive command as functions for sending and receiving a message. The message receiving process defines a message storage location called a queue and registers it on any computer on the system. The message sending process specifies the queue of the receiving process and issues a put instruction. The communication system sends the message to the designated queue. The message receiving process specifies the queue of the receiving process and issues a get command. The communication system extracts the message from the designated queue and writes the message in the message receiving area in the receiving process. In the above conventional communication system, the message transmitted and received by each process is a simple byte string. A byte string is a data format transmitted and received on a transmission line. The sending process converts the message represented by a certain data structure into a byte string and passes it to the communication system. The receiving process converts the byte sequence into a data structure and executes the related procedure from the contents of the data structure.

The problem of the above prior art is that the model of the distributed system is peer-to-peer.
Therefore, it cannot be applied to the client / server type. A peer-to-peer system is a client in which all processes issue message send / receive commands to the communication system. On the other hand, in a client / server system, the side that issues a command and sends a message becomes the client, and the side that receives the command and executes the procedure corresponding to the message becomes the server. In the peer-to-peer communication system, the user program needs to describe the conversion process between the message and the byte string and the process for calling the procedure corresponding to the message, and the message abstraction level is low. However, in the client / server communication system, the communication system itself can have a function of converting a message into a byte string and a function of calling a procedure corresponding to the message, so that the user program on the server side executes the procedure. The message abstraction is high simply by programming the process. For example, in a client / server type system based on an object-oriented software design method, a server program is a set of objects. An object is a program unit consisting of a data structure and a plurality of procedures for the data structure. The client program specifies an object and sends a message (in this case, an object identifier, a procedure, information that the procedure can be executed, etc.) to the server program. The server program that receives the message executes the procedure of the specified object. The communication system converts the message into a byte string and sends it to the communication system of the server computer where the object exists. The communication system of the server computer converts the byte string into a message and calls the object procedure. If this system is changed to an asynchronous type by the conventional method, object-specific programming of sending a message to an object cannot be performed.
An object of the present invention is to enable a server side / client side user program to utilize an asynchronous communication function without changing the structure of the server side user program part in a client / server model distributed system. .

In a message communication system according to the present invention, regarding communication between a client (module) and a server (module), request information sent by the client to the server and response information returned by the server to the client are temporarily stored. It is characterized by providing an information storage function for storing and a proxy transmission / reception function for receiving a procedure call instruction / procedure execution result on behalf of the client. The information storage function is a client information storage location for temporarily storing request information that the client sends to the server and response information that the client receives from the server, request information that the server receives from the client, and response information that the server sends to the client. There is provided a storage location creating means for creating a server information storage location for temporarily storing data and a server management means for obtaining information of the server information storage location from the server identification information. Further, a client transmission means for storing arbitrary request information created by the client in the client information storage location, a client transfer means for transferring the request information from the client information storage location to the server information storage location, and a server information storage location Server receiving means, server transmitting means for storing response information related to this information in the server information storage location, server transfer means for transferring this from the server information storage location to the client information storage location, client information storage location It provides a client receiving means to retrieve from. Further, a client that uses a low-speed and low-reliability network creates a sub-client information storage location, and a transmission request means that collectively transmits a plurality of request information from the sub-client information storage location to the client information storage location. Provided is a reception requesting unit that receives a plurality of pieces of response information from a client information storage location to a sub-client information storage location. The proxy transmission / reception function provides a procedure registration means for registering the procedure call method of the server and a procedure call means for calling the procedure of the server from the request information obtained by the server receiving means and receiving the execution result. In the present invention, the storage location creating means first creates a client information storage location and a server information storage location on an arbitrary computer. Next, the procedure registration means registers the procedure calling method of the server in the proxy transmission / reception function. The client sending means sends a message A (including server identification information, response information receiving location, command identification information and request information for the communication system to uniquely identify the sending processing) to the client information storage location and ends the sending processing. To do. The client transfer means uses the message A in the client information storage location.
, The server management means checks the server information storage location related to the server identification information, transfers this message to the server information storage location, and ends the processing. If the transfer is unsuccessful, retrying after a certain period of time is repeated. The server receiving means receives the message A from the server information storage location. The procedure calling means extracts information necessary for calling the procedure from the message and executes the procedure of the server. If the call is unsuccessful, retrying after a certain period of time is repeated. When the execution result is received, the response information is created. The server transmitting means includes the message B including the response information (the response information reception location of the message A, the server information storage location, the command identification information of the message A, the response information).
Is sent to the server information storage location, and the transmission process ends. The server transfer means takes out the message B in the server information storage location, transfers it to the client information storage location which is the response information reception location, and ends the processing. If the transfer is unsuccessful, retrying after a certain period of time is repeated. The client receiving means receives the message B from the client information storage location. As described above, according to the present invention, the transmission means, the transfer means, and the reception means operate independently, so that the client / server type system can be used in an asynchronous type. Furthermore, in another embodiment of the present invention, the storage location creating means creates the sub-client information storage location on the same computer as the client and the client information storage location on another computer. The client sending means sends the message A to the sub-client information storage location and ends the sending process. The transmission requesting unit collectively sends a plurality of messages stored in the sub-client information storage location to the client information storage location when communication is possible. The client transfer means takes out the message A in the client information storage location, checks the server information storage location related to the server identification information by the server management means,
This message A is transferred to the server information storage location, and the processing ends. The server receiving means receives the message A from the server information storage location. The procedure calling means extracts information necessary for calling the procedure from the message A and executes the procedure of the server. When the execution result is received, the response information is created. The server transmission means sends the message B including the response information to the server information storage location and ends the transmission process. The server transfer means takes out the message B in the server information storage location, transfers it to the client information storage location which is the response information reception location, and ends the processing. The client receiving means receives the message B from the sub-client information storage location. When the message corresponding to the sub client information storage location is not stored, and when communication is possible, the request receiving means receives a plurality of messages from the client information storage location in a batch to the sub client information storage location. . The client receiving means selects related reception information from the received message. As described above, according to the present invention, the request transmission unit and the request reception unit can temporarily receive the request information / reception information and collectively transmit and receive the request information / reception information. A computer can be housed in a client / server type system.

BEST MODE FOR CARRYING OUT THE INVENTION The outline of the present invention is described below with reference to FIG.
I will explain while illuminating. Figure 2 shows a client / server model
Use a system designed according to
It shows the procedure when doing. In the following, the client side
Information sender, server side information receiver, client and server
Information that was sent and received synchronously by the server (executed on the server side
Information that identifies the procedure, data for executing the procedure
Group, data group representing procedure execution results, etc.) is called transmission information.
Huh. In asynchronous communication, the communication between the information sender and the information receiver is
Establish a new information intermediary to mediate trust. Information intermediary
The information transmitted by the information sender and the information receiver is
The role of the information custodian who keeps the information when
To call the server procedure, and the procedure on behalf of the server
It has the role of a proxy sender / receiver that returns execution results. Below
Is the queue object where the transmission information is temporarily stored.
Call. Synchronous communication procedures include one-way and two-way
There is a formal procedure. A one-way procedure is the execution result of the procedure.
This is a procedure in which the server does not return the result to the client. 2
A direction procedure is a procedure in which the server
It is a procedure to return to the host. Asynchronous communication of these procedures
If you run in, the asynchronous communication system is as follows
Operate. The information sender assembles the transmission information (1), information
Send a transmission information transmission request message to the information store of the intermediary
(2). Information custodians send messages to queue objects
Store in (3). The proxy sender is a queue object.
Get a message from the e-mail (4). The proxy sender / receiver
Prepare the procedure call by extracting the communication information from the message
Yes (5). The proxy sender / receiver calls the procedure (6). One direction
The procedure ends at this stage. For two-way procedures,
The following processing is continuously performed. The proxy sender / receiver is
Assemble transmission information from the line result, and send a transmission information transmission request message.
Make a page (7). Proxy senders and receivers store messages
Send to someone (8). Information custodians send messages
(9). The information sender receives the transmitted information.
Message request message to the information custodian of the information intermediary,
Get the sage (10). Information sender from the message
The transmission information is extracted and the procedure execution result is obtained (11). Embodiment 1 An embodiment of the present invention will be described below with reference to the drawings.
FIG. 1 shows an example of a message communication system according to the present invention.
It is a figure showing the structure of an Example. What is a distributed system?
A number of processes 3 (3A, ..., 3D) are transmitted by a transmission line 1 such as a LAN.
Placed on multiple computers 2 (2A, ..., 2D) connected by
Is a system in which these processes operate in concert.
You. Each process 3 in a distributed system provides a function
Or the application module to use (5, 6, 7,
8, 9) and identify the functionality of the application module
And deliver the message to the application module
Inter-object communication module 4 (4A, ..., 4D)
It is composed of In this embodiment, the inter-object communication module is
The unit of the function identified by module 4 is
Module and data related procedures.
It is a program unit, that is, an object. Applique
The solution module is supported by the object provider.
Server, the side that uses the object is the client
You. The server has a procedure execution part, and the client has a procedure
It has a call command section. The client
Communication between objects by specifying identifying information and procedure
Issue a procedure call instruction to module 4. object
Inter-communication module 4 received from the client
Instruction (of client and object communication module
Form of procedure call and procedure execution result returned between parties
Expression) is the specified request message (client-side object)
Object communication module and server-side object communication
The procedure call format determined by the communication module)
You. Furthermore, the inter-object communication module 4 manages
Object address from object placement information 300
Once informed, the request message is sent to the relevant process object.
Send to the inter-ject communication module. Server-side object
Inter-communication module 4, the procedure from the request message
Procedure of the corresponding object by determining the type of
Start up. In addition, server-to-object communication mode
Module 4 reports the result of procedure execution in response message (class
Inter-object communication module on the client side and the server side
Of the procedure implemented by the inter-object communication module of
(Row result return format)
It is sent back to the inter-ject communication module. Client side
Inter-object communication module 4 of the procedure execution result
Of the procedure call command by extracting the message from the response message
Set the area and end the instruction execution. This processing smell
The procedure call command to the specified request message format.
Procedure to convert part and specified response message format
Extract the execution result and set it in the prescribed area of the procedure call instruction
The processing to be performed differs depending on the procedure. So clear
The client is responsible for the above regarding the procedure used by the client.
The processing part is the communication module between objects on the client side.
Registered in advance. Application module
5 is the client module that is the side that uses the object
It is Jules. Client module 5
Call the information transmission procedure and the transmission information reception procedure
Do (transmitted information) send command section / (transmitted information) receive command section
With Client module 5 is asynchronous communication
In, it becomes an information sender (client). App
Application module 6 is the side that provides the object
Is the user object module. User
The object module 6 is used for asynchronous communication.
It becomes the information receiver (server). Application module
Rule 7 is to receive the information transmitted between the information sender and the information receiver.
It is a storage function module that mediates transfer. Storage function
Module 7 calls the execution part that executes the procedure and the procedure.
It consists of a command section to issue. Execution part is (queue) creation execution part
/ (Transmission information) Transmission execution unit / (Transmission information) Reception execution unit /
(Transmission information) A transfer execution unit. The command section is
Information) Transfer command section / (queue) inquiry command section.
The storage function module 7 stores queues for each queue object.
-Holds management information 400. Application module 8
Calls the procedure on the information receiver side on behalf of the information sender
Information on the procedure execution result on behalf of the information receiver
It is a proxy function module that returns to the recipient. Proxy function
Module 8 sends a procedure call (transmission information)
Command part / (transmitted information) reception Command part / (information receiver side)
Performs procedure execution with the procedure calling part (proxy object
G) It consists of a registration execution unit. Proxy function module 8
View object and the procedural information used by the object
It has proxy object management information 1300 that records information. A
Application module 9 contains user objects
A user object that manages information related to queue objects.
It is a project management module. User object pipe
The processing module 9 is used by the user object.
-User object pipe that records object information
Holds 1000 pieces of physical information. User object management module
9 is a (queue) registration execution unit / (queue) that executes procedures.
-) It consists of an inquiry execution unit. Book of the above components
The module according to the invention is a storage function module 7,
Physical Function Module 8, User Object Management Module
It is Le 9. "Figure 3" shows the placement of objects (address
Object) Object placement information used to manage information
It is an example of the structure of the report 300. The object identifier 301 is
Information that uniquely identifies the object within the system,
Object type 302 identifies the type of object
Information for attribute, attribute type 303 is the attribute of the object
Information for identifying gender, attribute value 304 is the attribute itself
This is information. For example, in the case of cue objects
First, an object that identifies an object called a queue.
Type c and identify each queue object
There is an identifier A to do this. In addition, the attribute of placement location
There is an attribute a for identifying, and an attribute called address information
There is a value of 1. Similarly for user objects,
There is an object type Y that identifies the
Identifier B to identify the user object of
You. Furthermore, in order to identify the attribute of the location, the attribute a
Yes, there is an attribute value of 3 called address information. Object
The inter-communication module 4 manages this object management information.
Manage. "Figure 4" is managed by the storage function module 7.
3 is a configuration example of queue management information 400. Queue identifier 401
Is the information for identifying the queue object.
It is related to the object identifier 301. Cuter
Ip 402 is for identifying the type of cue object
Information related to Object Type 302 above
is there. Attribute type 403 is an attribute of the queue object
The attribute value 404 identifies the attribute itself.
This is the information given. The attributes of the queue object are
For example to identify who created the cue object
Queue administrator identification information, using the queue object
Queue user identification information for identifying who can
Information, saving messages stored in queue objects
Save message control information and messages that determine the period etc.
Includes information such as message storage location information that indicates the location to perform "Figure
10 ”is managed by the user object management module 9.
1 is a configuration example of user object management information 1000
You. User object identifier 1001 communicates asynchronously
This is information for identifying a possible user object. Kyu
-The object identifier 1002 is used by the user object.
Information for identifying the queue object to be used
You. "Fig. 13" shows the area managed by the proxy function module 8.
13 is a configuration example of the physical object management information 1300. queue
Object identifier 1301 used by user object
Information for identifying queue objects to be processed, procedure information 13
02 is used when the proxy function module makes a procedure call
This is the procedure definition information of the object to be executed. Procedure definition
An example of the information is shown in "Fig. 9". "Figure 5" is an object
Message format used by inter-communication module 4
It is. Message of inter-object communication module 4
The format consists of a control part and a data part. OBJRF501 of control unit
Is the address information of the message destination object, SRC5
02 is the address information of the message source module, OBJI
D503 is the identifier that identifies the object, MSGID504 is the message
Information that identifies the sage (that is, the procedure that the object has)
The RQ / RP505 responds to the request (procedure execution request) message.
Answer (procedure execution result) Information that identifies the message
You. DATA 506 in the data section is the information necessary for procedure execution,
And information indicating the content of the procedure execution result. "Figure
6 ”is a message regarding the storage function module 7,
Configuration of message data format (corresponding to 506 above)
It is an example. The procedure of the storage function module 7
View creation (610, 620), transmission of transmission information (630, 640), transmission
Information transfer (650, 660), transmission information reception (670, 680)
Yes, there is a request / response message for each procedure.
You. “Figure 14” is a message about the proxy function module 8.
Sage and message data part format (compare 506 above)
)) Is an example of the configuration. Hand of proxy function module 8
Subsequent registration of proxy objects (1410, 1420)
In response to this procedure, there will be a request / response message.
You. "Figure 7" shows the user object management module 9
Message and the data part format of the message (above
(Corresponding to 506)). User object
Queue registration (71
0, 720), queue inquiry (730, 740), each procedure
There is a request / response message corresponding to the request. "Figure 8"
Are the modules mentioned above and the procedures, messages,
It is a figure which shows the relationship of procedure call and procedure execution. "Figure
9 ”is the user object procedure definition example 910
Command format for synchronous communication with other user objects 92
0, one of the instruction format 930 for asynchronous communication corresponding to this
It is an example. The instruction format of a one-way procedure is the execution result of the procedure.
Since the result is not returned to the client, only the input information
You. The instruction format of a two-way procedure
Since it is returned to the client, it consists of input / output information. User
Object procedure definition example 910 is procedure name 911, procedure
It consists of parameter strings related to execution. Each parameter is
Input data used in procedure execution or procedure execution
Input / output distinction 912 indicating whether the output data is the result and data
Data type 913 and data identifier 914. Synchronous instruction format
920 includes an instruction name 921 and a parameter string. Instruction name is hand
Matches the continuation name. Parameter column is the message destination
User object identifier 922 and entry / exit of procedure definition
It comprises a parameter sequence 923 corresponding to the force parameter sequence.
Asynchronous instruction format 930 is based on the instruction name 931 and parameter string.
Become. The command name 931 is a transmission procedure name / reception procedure name.
You. The receive command 931r is used by the user in the case of a two-way procedure.
Used to get the output information in the object procedure definition
You. Send command 931s parameters execute send procedure
Area 932s for setting the queue object identifier
Destination object identifier area that indicates the final destination of transmission information
933s, an instruction identifier area 934s for identifying the issued instruction,
Transmission information area 935s indicating transmission information, priority control information, etc.
Of the additional information area 936s. Receive command 931r
Parameters of the queue object that executes the receiving procedure.
Destination identifier area 932r, the destination indicating the final destination of the transmission information
The object identifier area 933r and associated transmission command are identified.
Separate command identifier area 934r, transmission information indicating transmission information
Area 935r, additional information area 936r indicating priority control information, etc.
Consists of Send when executing one-way procedure asynchronously
Issue only instructions. Send instruction for two-way procedure
After issuing, the receive command is issued. "Figure 15" is a biography
It is a figure showing one structural example of reach information. In Example 1 below
Then, the basic operation of asynchronous communication is carried out in the second embodiment.
Explain the operation example of asynchronous communication when using a strip computer
I will tell. Example 1 Hereinafter, using FIG. 11 and FIG. 12, a priority control function will be described.
One-way procedure and two-way procedure asynchronous communication
The processing will be described. (1) Creating a queue object (1101) First, the information sender and the information receiver store their transmission information.
Create a queue object that will be the place to do it. a) Generate the server queue object The administrator of the application module that is the information receiver
Creates a queue object for the server. Cry
Queue, which is one of the Ant application modules
The management program issues a queue creation command. Obj
Inter-object communication module 4
Queue type passed (eg server type) 61
1, information 612 that identifies the administrator, messages stored in the queue
How to control sage 613 (eg when storing messages
Queue creation request message 610 from
Send sage to storage function module 7 and execute queue creation
Call the department. Storage function module 7 Queue creation execution unit
Is the queue management information table of the server queue object.
And a queue object identifier. queue
Object identifier to object communication module 4
Registered in the object management information 300 by the method specified by
Queue management information table such as queue object identifier
Register with. The queue creation execution unit
-Create object queue response message 620
And send it back to the inter-object communication module 4,
Finish the instruction. Next, the user object and Cuo
User object management module for object association
Register at 9. Queue management program
Issue an order. The inter-object communication module 4
User object to be registered, passed by the user registration command
Object identifier 711, queue object identifier 712, etc.
Create a queue registration request message 710 from
To the user object management module 9 and queue
Call the registration execution part. The queue registration execution unit
To the object management information 1000 User object identifier, etc.
Register and exit. Inter-object communication module 4
Queue response message 720
And send it back to the inter-object communication module 4,
Finish the instruction. b) Creating the queue object for the client The administrator of the application module that is the information sender
Creates a queue object for the client.
The administrator can specify the type of queue (for example, client type
), Information that identifies the administrator, and messages stored in the queue.
How to control sage (eg time to store message)
Etc.), issue a queue creation command, and
Get the identifier of the queue object. The creation process is
The flow is the same as for the server queue object. (2) Procedure for user object in proxy function module
(1102) The administrator of the application module that will be the information recipient
The procedure of the user object to the proxy function module
User object, the user object
Register a queue object that First, the user object
Request message format that specifies the procedure call instruction
Process to convert to the specified response message format
Succeeding execution result is taken out to the prescribed area of procedure call instruction
Process to be set, object on the proxy function module side
Register with the inter-communication module. This is between objects
Can be realized using the functions provided by the communication module 4.
You. Inter-object communication module 4
Determine the procedure call instruction format by entering
And can output the source code of the above processing part
You. The application module that is the information receiver
The administrator outputs the above processing part in advance, and the proxy function module
Registered in the inter-object communication module 4B
Good. Next, the user object, the user object
Queue object to use in proxy function module 8
register. Client application module
One queue management program is a proxy object
Issue a registration order. Inter-object communication module 4
Is the user object passed by the registration command
Queue object identifier 1411 to use, user of
Object registration from the procedure definition information 1412 of the project
Create a request message 1410 and send the message as a proxy function module.
Send to Tool 8 and call the registration execution unit. object
Registration execution part queues to proxy object management information 1300
Register the object identifier, etc. and end. Object
The communication module 4 between the
Create a registration response message 1420 between objects
The command is returned to the communication module 4 and the command ends. (3) Defining the format of transfer information (1103) Between client module 5 and proxy function module 8
Defines the format of the information to be transferred. Claire
Information that the module 5 passes to the proxy function module 8
(Transmission transmission information) means that the proxy function module 8 is the user.
Required to call the object procedure (procedure X)
Information. For example, object identifier, procedure identification
Input data for executing child and procedure. Cry
Ant module 5 receives from proxy function module 8
Transfer information (reception transfer information) represents the procedure execution result.
Information. For example, object identifier, procedure identification
Output data representing the child and procedure execution results. Transmission
The information format is arranged as shown in FIG. 15, for example. You
User object identifier area 1501
Set the gateway identifier. In the procedure identifier area 1502,
Set the procedure name (for example, procedure X) defined in the definition
I do. In the request / response type area 1503, transmission transmission information and reception
The identification information of the transmission information is set. Parameter row area 1504
Input data and output data are set to. Input data
Data sequence of output data and output data is described in the procedure definition.
The data length is described in the procedure definition.
A fixed length shall be assigned to each of the specified data types. Less than
By creating the communication information according to the definition above,
Function module is required to call procedure from transmission information
Each element can be obtained, and the client module
Obtain each element that represents the procedure execution result from the received transmission information.
Can be. Below is the client module 5
Related to asynchronous communication with user object module 6
It becomes processing to do. (4) Message queue object for client
Send (1104) Client module 6 to the user object hand
Follow the rules described in (3) from the continuation name, input information, etc.
Create communication information, and transmit information area of transmission information transmission command 93
Set to 5s. Furthermore, the transmission command is uniquely identified by the system.
Create an instruction identifier to be set and set it in the instruction identifier area 934s.
You. Similarly, the identifier of the user object that will be the server
The destination object identifier area 933s for the client
Queue object identifier identifies the queue object
It is set in the child area 932s and a transmission information transmission command is issued. Me
Additional information area 936s when priority control of message is required
Set the priority to. Inter-object communication module
Rule 4c is the destination object identification information of the transmission information transmission command.
Destination object of information transmission request message 630
Set in the identification information area 631. Next, specify the instruction identifier.
The additional information is transmitted to the additional information area 633 in the command identifier area 632.
The reach information is set in the transmission information area 634. Setting additional information
If not present, set the default priority value. Next
Is the queue object identifier of the transmission information transmission command?
Obtain the address information of the object, and
The transmission information transmission request message 630 is sent to the tool 7. Transmission
The storage function module that received the information transmission request message 630
7 Send execution part sends the message to the corresponding client.
Queue management information table 400 for queue object
Place a message in the message storage area and store the message such as storage time.
After setting the management information, send the transmission information response message 64
O when receiving the transmission information transmission response message 640 that returns 0
The inter-object communication module 4C sends a transmission information transmission command.
finish. (5) Transfer the message to the server queue object
Yes (1105) The storage function module 7
Examine the sent message storage location of the view object.
Prioritize if there are any unsolicited solicitation messages
Select the message according to the frequency and perform the following processing. Sending
Destination object set in the data request message data section
Object identifier, the server used by the user object
Get the identifier of the queue object for the bus. This is
-Inquiry command for user object management module
It is obtained by issuing it to 9. Destination object identifier area
The queue object identifier for the server in
Client queue object identification in the object identifier area.
Send a request to the instruction identifier area, and send request message data section
Command identifier of the transmission request message in the transmission information area.
The transmission information of the data section is sent to the additional information area in a transmission request message.
The additional information of the data section is set, and the server queue object
Specified as the destination object, and
Issue an order. Inter-object communication module 4B
Destination object identification passed by the reach information transfer command
Child, starting object identifier, command identifier, transmission information,
Create a transfer information transfer request message 650 from additional information
You. Next, from the destination object identifier, the server queue
Get the address information of the object and enter the key for the corresponding server.
View object storage function module 7
Send a send request message 650. Transfer information transfer request message
The storage function module 7 transfer execution unit that received the message 650
Queue object for the server whose contents are relevant
Queue management information table 400 for received messages
And set the message management information such as storage time,
The transmission information transfer response message 660 is returned. Communication information
Storage function module 7 which received the transfer response message 660
When the transfer is completed normally, the send command section sends the transferred message.
Delete information about sage from queue management information table
I do. If not successful, save the message
Then, the transfer process is performed again at an arbitrary time. (6) Receive message from server queue object
Deletion (1106) Proxy function module 8, proxy object management information 130
Transfer information from the server queue object registered in 0
Receive information. Proxy function module 8 is a server queue
Transfers the object identifier to the queue of received information
Set in the object identifier area 932r to transmit the transmission information command
Issue Between objects that received a transfer information reception command
The communication module 4B uses the queue object identifier to
Acquire and transmit address information of server queue object
An information reception request message 670 is sent. Request to receive transmitted information
Storage function module 7 receiving message 670
Is the queue management information table of the server queue object.
Examine the Bull 400. A message is stored in the received message storage
If the message is stored, the message is
Select and communicate message Receive information response message 680
Set to. From queue management information table to message
Acknowledgment message with related information deleted 68
Returns 0. Received transmission information response message 680
Proxy function module 8
Receive a series of transmission information. (7) Call the procedure of the user object (1107) The proxy function module 8 procedure calling unit sends the transmission transmission information.
From, object identifier, procedure identifier, input data
Get. Proxy object management related procedure definition information
Select from physical information 1300 and call procedure from procedure identifier
Get the instruction format. In the procedure call instruction format input area,
Each input data obtained from the transmission transfer information is set in order. Oh
Procedure by specifying the object identifier in the destination object
And wait for the object to finish executing the procedure. hand
If the continuous call fails, retry after a certain period of time. hand
After continuing execution, if it is a one-way procedure, end the process.
You. In the case of a two-way procedure, the following processing will be continued. (8) Send the message to the server queue object
(1201) The proxy function module 8 send command part is based on the procedure execution result.
The reception transfer information is created according to the rule described in (3).
Next, send the transmission information to the inter-object communication module 4B.
Issue an order. First, send the transmission information reception response message
Client set in the hexadecimal object identifier area 683
Destination queue object identifier
Set in child area 933s. Similarly, order the instruction identifier 684
The additional information 685 is added to the additional information area 936s in the identifier area 934s.
Set. Set the reception transfer information in the transfer information area 686,
Queue object identifier for server queue object
Issue the transmission information transmission command by setting it in the identifier area 932s.
I do. The inter-object communication module 4B sends the transmission information.
Request to send the destination object identification information of the command
Set in the destination object identification information area 631 of the message 630.
Set. Next, add the command identifier to the command identifier area 632.
Additional information in the additional information area 633, transmission information in the transmission information area 6
Set to 34. Next, the queue object of the transmission information transmission command
Object address information is obtained from the object identifier.
To the storage function module 7
Send the 630. Received message 630 requesting transmission of transmission information
Storage function module 7 Send execution part is the content of the message
Queue management information of the corresponding queue object for the server
Message table 400 Sent message Put in storage place and store
Set message management information such as between
The reply message 640 is returned. Transmission information transmission response message
The proxy function module 7 send command section that received the
The reach information transmission processing command is ended. (9) Message queue object for client
Transfer to (1202) Storage function module 7 Transfer command part
Examine the sent message storage location of the object. Sent
If there is a send request message that is not
Select a message and perform the following processing. Request to send
Is the destination object identifier set in the message?
From the client queue object identifier
You. In the destination object identifier area, the client queue
-Set the object identifier to the start object identifier
Area, the queue object identifier for the server, the instruction identifier
Attach the command identifier of the transmission request message data section to the area.
Additional information in the transmission request message data section in the additional information area
Of the transmission request message data section to the transmission information area
Set information and send queue object for client
Specify the destination object and issue the transfer information transfer command
You. Inter-object communication module 4B transfers transfer information
The destination object identifier passed by the instruction, the launch
Object identifier, command identifier, additional information, transmission information
A transmission information transfer request message 650 is created from the above. Addressed to
From the destination object identifier, the client queue
Get the address information of the project, and for the corresponding client
Transfer information to the queue object storage function module 7
Send a transfer request message 650. Transfer information transfer request message
The storage function module 7 transfer execution unit that received the sage 650
Queue the message contents of the applicable client queue
Object queue management information table 400 Received message
Place in the storage location and set message management information such as storage time.
Then, the transmission information transfer response message 660 is returned.
The storage function module that received the transfer information transfer response message 660
The Rule 7 transfer instruction section
Queue management information table for information about sent messages
Delete from the file. Message if not successful
Is stored and the transfer process is performed again at an arbitrary time. (10) Client queue object for message
Received from (1203) The client module 5 specifies the command identifier and transmits it.
Issue the reach information reception command. Client module 5
Received in the command identifier area 934r of the transmission information reception command.
Set the command identifier of the desired transmission information. Then the clear
Queue object identifier for
Set the identifier area 932r and issue the transmission information reception command
You. The inter-object communication module 4C receives the transmission information.
Set the instruction identifier in the selection criterion area 671 of the request message 670.
Set. Then, from the queue object identifier,
Obtain the address information of the queue object for Ant, and apply
To the storage function module 7
Send Ji 670. Received message 670 requesting receipt of transmission information
The storage function module 7 reception execution unit
Examine the queue management information table 400 of the view object
You. The message is stored in the incoming message store
Select the message that matches the instruction identifier,
Set the message to the transmission information reception response message 680.
You. Related to message from queue management information table
Delete information and send back transmission information reception response message 680
I do. (11) Return the execution result (1204) Client that received the transmission information reception response message 680
Module 5C will send the relevant received message from the message.
Receive information. The reception transfer information is in the format described in (2).
Since it is set, the received transmission information is divided according to this rule.
Understand. In the above example, the client queue object
And the server queue object are stored in the same
Created in Function Module 7. Cueo for clients
Object and server queue object are separate
Object identifier and address information
In order to keep information, place multiple proxy function modules
Queue object for Ant and Queue object for server
Can be created in a different storage function module
it can. In this case also, the same processing as the above embodiment is performed asynchronously.
Communication can be realized. In addition, the proxy function module is also independent
Object identifier and address information
Since it has information, this module can also be placed anywhere.
You. Example 2 In Example 2, a user who uses a portable computer
An object implemented on another computer using the asynchronous communication function.
The case of using a project is explained. "Figure 16" is
An asynchronous computer that uses a portable computer as a client computer.
It is a figure showing the structure of one Example of a sage communication system.
You. Calculator 2A is a client that uses objects
It is a client computer in which module 5 is installed. Total
The computers 2B, 2C, 2D, 2E, and 2F are the users described in the first embodiment.
Object module 6, storage function module 7, proxy machine
Function module 8 and user object management module 9
This is the implemented server computer. In this example, Klein
The computer is a portable computer, the server computer is a LAN, etc.
It is assumed that the computer is network-connected to the transmission path A of. Carrying
The client computer 2A, which is a zonal computer, is usually
It operates without being connected to the transmission path A (1a). K
When sending information from the line computer 2A to the server computer,
Or when receiving information from the server computer, the transmission line B
(1b) is used to connect to the transmission line A (1a). Portable
The client computer communicates intermittently with the server computer.
Therefore, asynchronous communication is required. Furthermore, transmission line B
Is low-speed and unreliable, the transmission line B usage time is minimized.
It is necessary to suppress it. In this embodiment, the storage function
Module 7 is used as a substitute function module for computers 2A, 2B, 2C and 2D.
Tool 8 to computer 2C, 2D, user object module
Place Rule 6 on computers 2E and 2F. In this example, storage
The request transmission execution unit / request reception unit is sent to the execution unit of the function module 7.
Request execution unit / request reception command
Add a section. Also, the client module 5
-Place a production command section. "Figure 17" shows the storage function module.
6 is a configuration example of queue management information 400 managed by rule 7. Book
In the embodiment, the following information is added to the constituent elements of the first embodiment.
You. First, the queue that identifies the type of queue object
Add the queue type for subclient to the type.
You. Next, add the parent queue object information to the attribute type.
Add. The queue type for sub-client is a client
Cueo acting as a cue object for Ants
Represents a object. What is parent queue object information?
Client that queue object for client
This is information for identifying the ant cue object.
"FIG. 18" is a storage function module added in this embodiment.
7 message and the data part format of the message
It is one configuration example. Depending on the procedure of the storage function module 7,
Add request transmission (1810, 1820) and request reception (1830, 1840)
I do. Request / response messages corresponding to these procedures
To the inter-object communication module. Less than,
Using "Fig. 19""Fig.20""Fig.21",
Module 5 is user object module 6E, 6F
Processing when two objects of are called asynchronously
The physical operation will be described. In this example, for sub clients
Queue object, Queue object for client
If you want to dynamically create
explain. (1) Create a server queue object Create a server queue object. User object
Object module 6E server queue object
Tube function module 8C, user object module
Function module for storing 6F server queue objects
Create in 8D. The creation process is the same as in Example 1 (1) a).
Follow the procedure. (2) Procedure for user object in proxy function module
The proxy function of the user object module 6E
Module 8C replaces user object module 6F
Register the physical function in the proxy function module 8D. The registration process is
The procedure is the same as in Example 1 (2). (3) Defining the format of transmission information The procedure is the same as that of the first embodiment (3). From below
Client module 5 and user object module 6
It is a process related to the asynchronous communication of E and 6F. (4) Create queue object for sub-client
(2001, step1) Client module 5 is a sub client queue.
-Create the object in the save function module 7A. K
Client module 5 issues a queue creation command
You. Inter-object communication module 4A
Type of queue passed by decree (subclient
Type), information identifying the administrator, stored in a queue
To control stored messages (eg store messages
The queue creation request message 610 from the
Send message to storage function module 7A and create queue
Call the execution part. Storage function module 7A Queue creation
The line section is the queue object for the subclient.
-Management information table 400A and queue object identifier
Generate Queue object identifier object
Object management by the method specified by intercommunication module 4
Register in the information 300 and store the queue object identifier etc.
-Register to management information 400A. Queue creation execution unit
Queue creation response with end status and queue object identifier
Set to message 620 and set the inter-object communication module.
Return to Le4A and finish the order. (5) Queue message for sub client
To the client (2002, step1) The client module 5 is the hand of the user object.
Follow the rules described in (3) from the continuation name, input information, etc.
Create the communication information and put it in the transmission information area of the transmission information transmission command.
Set. In addition, the send command is uniquely identified in the system
The instruction identifier E is created and set in the instruction identifier area. same
The user object E that will be the server
In the destination object identifier area, the sub client queue
-Set the object identifier to the queue object identifier
Set to the area and issue the transmission information transmission command. Object
The inter-unit communication module 4A uses the destination information of the transmission information transmission command.
Disseminate the project identification information 933s Information transmission request message 63
The destination object identification information area 631 of 0 is set. Next
The command identifier 934s is stored in the command identifier area 632 and the transmission information 9
35s is set in the transmission information area 634. Next, transmission of transmission information
From the queue object identifier 932s of the instruction, the object
Address information of the client and transfer it to the storage function module 7A
An information transmission request message 630 is sent. Transmission information transmission request
Received the message 630 and sent the storage function module 7A
Is the queue for the corresponding subclient for the message
Object queue management information table 400A Send message
Message storage response message
640 will be returned. Receive the transmission information transmission response message 640
The inter-object communication module 4A
End the decree. After completing the above transmission information transmission command, do the same
Then, the client module 5 becomes a server
User object F identifier to destination object identifier
In the area, the instruction identifier F is set in the instruction identifier area.
The queue object identifier for the ant
Issue the transmission information transmission command by setting it in the sector identifier area.
You. As a result, the subclient queue object
Two pieces of transmission information are stored in. (6) Create a cue object for clients (2003,
step2) Storage function module 7A Request transmission command part is the client
Computer 2A is connected to transmission lines 1a and 1b, and communication is possible.
If so, the following processing is performed. Storage function module 7A
The send request command part is a queue object for the sub client.
Of the parent queue object in the queue management information table 400A
Check that the information is registered. Parent cue obj
If the project information is not registered, the storage function module is first
Create a queue object for client in Tool 7B
You. Storage function module 7A
Issue a create command. Inter-object communication module 4A
Is the type of queue, as passed by the create queue instruction
(Client type), information that identifies the administrator, key
How to control the messages stored in the
Queue creation request message)
Create 610 and send message to storage function module 7B
Call the queue creation execution unit. Storage function module
The 7B queue creation execution unit is the client queue object.
Queue management information table 400B
Generate a global identifier. Enter the queue object identifier
Use the method specified by the inter-object communication module 4
Object management information 300 and queue object identification
Register the child and the like in the queue management information table 400B. queue
Creation execution unit, process completion status, queue object identification
Set the child to the create queue response message 620
And sends it back to the inter-communication module 4B to complete the command. Security
The tube function module 7A queue creation command section
Set the client queue object identifier to the subclass.
Parent queue of queue object management information 400A for clients
Set in the object information area. (7) Message queue object for client
Send to (2004, step2) Storage function module 7A Send request
Command part manages queue objects for sub clients
Sending information Look up the message store. Has been sent
If there is no send request message, perform the following processing.
U. Check the number of send request messages that have not been sent
(Two in this case). Sent to the requested quantity setting area
Enter the number of unsent transmission request messages in the request content setting area.
All these transmission request messages are set. Parent Cuo
Client queue set in the object information area
Send the request by specifying the object as the destination object
Issue an order. The inter-object communication module 7A
Request transmission request based on the number of requests passed by the request transmission command
Request content in the requested quantity field 1811 of message 1810
Set in the content area 1812. Then the destination object identifier
From the client queue object address information
Of the corresponding queue object for the client
Send request request message 1810 to storage function module 7B
send. The storage function module that received the request transmission request message 1810
Module 7B request transmission execution unit set in the message
Request contents 1812 (send request message)
Queue management information table of client queue object
Bull 400B Send message Set as a storage location and send request
A reply message 1820 is returned. Request transmission response message
Storage function module 7A that received the message 1820 Request transmission command unit
If the transfer was successful, the message
The related information is deleted from the queue management information table. Correct
If it did not end normally, save the message and click
When the client computer is connected to the transmission line, the request is sent again.
Processing. (8) Transfer the message to the server queue object
(2005, step3) The storage function module 7B transfer command part is
Message storage area for view object management information 400B
Check the place. There is a send request message that has not been sent.
If it does, perform the following processing. In this embodiment, according to (5)
Two messages are registered. Storage function module
The 7B transfer command unit is an example of two messages.
The transfer process similar to (5) of 1 is performed. (9) Receive message from server queue object
Take away (2006, step4) The proxy function modules 8C and 8D follow the same procedure as in the first embodiment.
Do. (10) Call the procedure of the user object (2007,
step5) The proxy function modules 8C and 8D follow the same procedure as in the first embodiment.
Do. (11) Send the message to the server queue object
(2101, step6) The proxy function modules 8C and 8D follow the same procedure as in the first embodiment.
Do. (12) Queue message for client
(2102, step7) The storage function modules 7C and 7D follow the same procedure as in the first embodiment.
Do. (13) Send the message to the sub-client queue object
(2103, step8) The client module 1007 receives the user object E
Received transmission information by specifying the command identifier E of the command issued to
Issue an order. Client module 5
In the command identifier area of the information reception command,
Set the instruction identifier. Next, the sub-client queue
ー Object identifier is queue object identifier area
To issue a transmission information reception command. object
The inter-communication module 4A uses the transmission information reception request message 67
The instruction identifier is set in the selection reference area 671 of 0. Next,
From the view object identifier, the subclient queue
-Obtain the address information of the object and apply the corresponding save function
Send a transmission information reception request message 670 to module 7A.
You. A storage function that receives the transmission information reception request message 670
Module 7A reception execution unit is a sub client queue
Check the queue management information table 400A for the object.
In this case, the incoming message store is still in the message
Is not stored. Therefore, the reception execution unit
Check whether the computer can communicate. Unable to communicate
If not possible (such as when not connected to the transmission line), communication is not possible
Information indicating an error is set in the end status area 681 and transmitted.
The reception response message 680 is returned. When communication is possible
When the storage function module 7A request reception command section
I do. (14) Message to client queue object
Received from (2105, step9) Storage function module 7A Request reception command unit is a sub client
Queue management information table 40
Parent queue object information (client queue
-Object identifier) is obtained. Then for the client
Queue object identifier to queue object identifier
Set the area and issue the request reception command. object
The inter-communication module 4A uses the queue object identifier
Address information of client queue object
The request reception request message to the corresponding storage function module 7B.
Send Sage 1830. Receive request request message 1830
The storage function module 7B request reception execution unit
Management information table 400B for queue object for queue
Find out. Message is stored in received message storage
If so, request all messages and receive response messages.
Sage 1840 Set in the request content setting area 1842, and set these messages.
The number of sages is set in the response number area 1841. Cue tube
Delete information related to the message from the physical information table 400B.
The request reception response message 1840 is returned. Request received
Storage function module 7A that received the response message 1840
Request reception command part, request reception response message 1840 Request details
Messages set in area 1852 are sequentially sub-cleared.
Queue management information table 40
0A Set to receive message storage location and process to receive execution unit
Transfer. The storage function module 7A reception execution unit
Examine table 400A for queue objects for clients
You. In this case, the message will be received by the above process.
It is stored in the sage storage area. Therefore, the receiving message
Message that matches the instruction identifier E from the storage location
Select and communicate message Receive information response message 68
Set to each area of 0. Queue management information table 400A
Delete the information related to the message from the
Answer message 680 is returned. (15) Return the execution result (2106, step10) The client that receives the transmission information reception response message 680
Module 5 determines from the message the relevant incoming communication information.
Receive information. The reception transfer information is in the format described in (3).
Since it is set, the received transmission information is divided according to this rule.
Understand. (16) Send message to sub-client queue object
Client module 5 to the user object F (2103, step8)
Specify the command identifier F of the issued command to receive the transmission information.
Issue an order. Client module 5 communicates information
In the command identifier area of the received command, the transmission information
Set the order identifier. Then the subclient queue
Object identifier in the queue object identifier area
Set and issue a transmission information reception command. Between objects
The communication module 4A uses the transmission information reception request message 670.
The instruction identifier is set in the selection reference area 671 of. Next,
From the view object identifier, the subclient queue
-Obtain the address information of the object and apply the corresponding save function
Send a transmission information reception request message 670 to module 7A.
You. A storage function that receives the transmission information reception request message 670
Module 7A reception execution unit is a sub client queue
Examine table 400A for the object. In this case, the process
The message is stored in the received message storage by (14).
It is piped. Therefore, the reception execution unit
Select the message that matches the command identifier F from the pipe location
And then convey the message each of the information received response message 680
Set to area. From the queue management information table 400A,
Delete the information related to the
Return the Sage 680. (17) Return the execution result (2106, step10) The client that receives the transmission information reception response message 680
Module 5 determines from the message the relevant incoming communication information.
Receive information. The reception transfer information is in the format described in (3).
Since it is set, the received transmission information is divided according to this rule.
Understand.

In this embodiment, the client computer 5 is connected to the transmission path B and the reception transfer information is obtained from the client computer 5. Since the reception transfer information is stored in the client queue object of the computer 2B connected to the network, the reception transfer information can be obtained from another computer connected to the transmission path A by designating the command identifier. As described above, according to the present invention, the client transmitting unit and the client receiving unit are independent processes, but the procedure execution request and the procedure execution result can be associated with each other by the command identification information. Conventionally, it has not been possible to implement a function that requires an execution time of, for example, several minutes or more as a server and use it from a client in synchronous communication. However, according to the present invention, the client process having the client transmitting means, the client process having the client receiving means, and the server process having the server receiving means / server transmitting means are implemented as separate processes, and the server execution time is executed by the client. Since it can be made independent of time, the range of functions that can be provided as a server can be expanded. Further, in the conventional client / server type system, the procedure calling order cannot be scheduled based on information such as priority. However, according to the present invention, the request information and the response information are temporarily stored and transferred again to the target location, so that it is easy to control the procedure calling order by scheduling the transfer order with information such as priority. Become. Further, according to the present invention, the client transfer means can transfer the request information to the server information storage location when the transfer processing is possible. Conventionally, it has been impossible to send request information from a client to a server with a computer having a client function removed from the network. However, according to the present invention,
It is possible to implement a process with client transmission means and a process with client transfer means on the client computer, and have the process with client transfer means transfer the request information when the client computer is connected to the network. The client program can hide the network status.
Furthermore, according to the present invention, the transmission requesting means can transmit a plurality of pieces of request information in a lump. Similarly, the reception requesting unit can collectively receive a plurality of response information. Therefore, a communication failure due to a slow and unreliable network,
Communication time can be minimized.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an asynchronous message communication system according to a first embodiment of the present invention.

FIG. 2 is a diagram showing an outline of the present invention.

FIG. 3 is a configuration diagram of object placement information.

FIG. 4 is a configuration diagram of queue management information.

FIG. 5 is a configuration diagram of a data format of a message.

FIG. 6 is a configuration diagram of a message used by a storage function module and a data part thereof.

FIG. 7 is a configuration diagram of a message used by a user object management module and a data part thereof.

FIG. 8 is a diagram showing the relationship between modules and commands, messages, and procedures.

FIG. 9 is a diagram showing an example of a procedure definition of a user object and a synchronous interface asynchronous interface.

FIG. 10 is a configuration diagram of user object management information.

FIG. 11 is a flowchart related to asynchronous communication.

FIG. 12 is a flowchart related to asynchronous communication.

FIG. 13 is a configuration diagram of proxy object management information.

FIG. 14 is a message used by the proxy function module,
And one configuration diagram of the data part thereof.

FIG. 15 shows an example of an expression format of transmission information.

FIG. 16 is a configuration diagram of an asynchronous message communication system according to a second embodiment.

FIG. 17 is a configuration diagram of queue management information according to the second embodiment.

FIG. 18 is a message used by the storage function module added in the second embodiment.

FIG. 19 is a diagram showing an outline of a second embodiment.

FIG. 20 is a flowchart related to asynchronous communication according to the second embodiment.

FIG. 21 is a flowchart related to asynchronous communication according to the second embodiment.

[Explanation of symbols]

1 ... Transmission path, 2 ... Computer, 3 ... Process, 4 ... Inter-object communication module, 5 ... Client module, 6 ... User object module, 7 ... Storage function module, 8 ... Proxy function module, 9 ... User object management module, 300 ... Object placement information, 400 ... Queue management information, 1000 ... User object management information, 1300 ...
Proxy object management information.

Claims (5)

[Claims] 1. In a client / server distributed system, an information storage function for temporarily storing request information sent by a client (module) to a server (module) and response information returned by the server to the client, and a procedure on behalf of the client. A message communication system having a proxy transmission / reception function for receiving a call command / procedure execution result. 2. In a client / server type distributed system, a client information storage location for temporarily storing request information sent by the client to the server and response information received by the client from the server by the information storage function, and the server from the client. A storage location creating means for creating a request information to be received and a server information storage location for temporarily storing the response information sent by the server to the client, and a server management means for obtaining the information of the server information storage location from the server identification information. Further, the information storage function further includes client transmission means for storing arbitrary request information created by the client in the client information storage location, client transfer means for transferring the request information from the client information storage location to the server information storage location, and server. Reception from the server information storage location And a server transmitting means for the information storage function to store response information related to this information in the server information storage location, a server transfer means for transferring this from the server information storage location to the client information storage location, client information The proxy transmission / reception function includes a client reception unit that is retrieved from the storage location, and a procedure registration unit that registers the procedure calling method of the server, and a procedure call that calls the server procedure from the request information obtained by the server reception unit and receives the execution result. The message communication system according to claim 1, further comprising means. 3. An information storage function, means for creating an information storage location for a sub-client on a client computer, means for creating an information storage location for a client on another computer, and information for a client from the information storage location for a sub-client. The transmission request means for collectively transmitting a plurality of request information to the storage location, and the reception request means for collectively receiving a plurality of response information from the client information storage location to the sub-client information storage location. Message communication system. 4. Regarding a communication method between a client (module) and a server (module), a client information storage location for temporarily storing request information sent by the client to the server and response information received by the client from the server, and the server Request information received from the client,
And a storage location creation step for creating a server information storage location for temporarily storing response information sent by the server to the client, a procedure registration step for registering the server procedure in the proxy transmission / reception function, and any request created by the client A message communication method, comprising: a client sending step of sending information from a client side to a server by specifying a server to a client information storage location; and a client receiving step of receiving response information from the client message storage location. 5. Regarding a communication method between a client (module) and a server (module), in the storage location creating step, client information storage locations are created in two different locations, and both client information storage locations are created in the client receiving step. 5. The message communication system according to claim 4, wherein the received information can be received from the message communication system.