JPH11212915A - Remote access system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make one application to be operated by any computer that is connected by a network by making a remote environment part have a dividing part which selects a requested local resource and a local environment pat which registers self-management resources as well as a communicating part to other computers. SOLUTION: An application A11' that is operated on a computer M12 is operated by an execution controlling part P12 and accesses a remote environment R12 or a local environment L12 by utilizing an interface part I12. In the case of requesting a common function that is defined to the remote environment, a common functioning part C11 calls an inherent functioning part O11 and realizes the request by such a manner that a communicating part T12 of the environment R12 notifies request information to a communicating part T11 of the environment R11 of a computer M11 and that a dividing part B11 requests the part C11 of a local environment L11. Execution results are notified through the reverse route. On the other hand, in the case of requesting to the local environment, the request is made to the common functioning part C12 of the environment L12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a remote access system, and more particularly to a system in which an application running on a computer connected to a network can operate on any computer, and the application remotely accesses resources of the computer connected to the network.

[0002]

2. Description of the Related Art FIG. 11 shows an example of a conventional remote access system. Application A9 for accessing file F91 on computer M91 using local environment L91
1 is created (arrow 91). A similar environment is prepared for the computer M92 (arrow 92). In some cases, manufacturers provide products that realize similar functions instead of applications. Although a file is described as a local resource here, a hardware device or a program may be used.

[0003] Next, the application A of the computer M93
When accessing the file F91 of the computer M91 from the application 93, the application A93 and the application A
The communication 91 (arrow 93) realizes remote access. Similar processing is performed for the computer M92 (arrow 94). As described above, in order to access the local resources of a computer, it is necessary to place an application for accessing the local resources for each computer and communicate, or to operate the application on a computer having the local resources.

[0004]

In the conventional method, it is possible to operate only on the computer that runs the application, and to access the resources of the partner computer, it is realized by placing the application on the partner computer and performing communication. Was. For this reason, every time the network is expanded, it is necessary to review operations (applications), etc., the functions provided for each computer are different, and it is inconvenient to perform tests, and a great deal of man-hour and capacity Was spent.

The present invention has been made in view of such a point, and one application can operate on any computer connected via a network and can access local resources of any computer. ,
For example, since a remote computer can be remotely debugged from a single computer having a debug environment, can be easily operated by a high-performance computer such as a CPU, and centralized management of applications can be performed, flexible business construction can be achieved. The purpose is to make it possible.

[0006]

FIG. 1 is a diagram illustrating the principle of the present invention for achieving the above object. The computer M11 includes a remote environment R11, a local environment L11, an execution control unit P11, and an interface unit I11.
1 includes a communication unit T11 and a distribution unit B11. The local environment R11 includes a common function unit C11 and a unique function unit O1.
1 The computer M12 is connected to the remote environment R1.
2, a local environment L12, an execution control unit P12, and an interface unit I12.
The local environment R12 includes a communication unit T12, and the local environment R12 includes a common function unit C12 and a unique function unit O12. An application A11 runs on the computer M11 and an application A11 'runs on the computer M12.
The application A11 and the application A11 'may be the same. The computer M11 and the computer M12 are connected by a network N11 (LAN or the like).

According to the above configuration, the execution control units P11, P
12 is an application A11 and A11 'is a computer M1.
1, conceal the difference between OSs of M12, enable applications to operate on any computer,
1, A11 'controls by using the interface units I11 and I12. In addition, access control of the remote environment R12 and the local environments L11 and L12 is also performed. Application A11 and application A1
1 'can operate as it is. The interface units I11 and I12 provide an interface common to all computers so that the application can operate on any computer, similarly to the execution control units P11 and P12.
It is called from the applications A11 and A11 '. The common function units C11 and C12 are a group of programs or libraries that realize common functions even if the OS is different in all the computers in order to realize the execution control units P11 and P12 without depending on the OS of the computer. Control unit P11, P12
And from the distribution unit B11. Specific function unit O11,
O12 is a program group or library group that realizes a function using the function of the OS of each computer, and is called from the common function units C11 and C12. Communication unit T11, T
12 communicates information requested by the application and results for the request. As a communication means, there is communication using a socket and the like, and any computer can be connected according to the definition of communication. The distributing unit B11 includes a communication unit T11.
The local resource is accessed by calling the common function unit C11 of the local environment L11 from the request received by the user.

Thus, by connecting the remote environments R11 and R12 of the computers M11 and M12, the same operation result as that of the related art can be obtained even if the application A11 that should be operated on the computer M11 is brought to the computer M12 and operated. Can be.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The outline of the present invention will be described with reference to the drawings. The configuration is the same as that of FIG. Application A1 running on computer M11
1 operates on the execution control unit P11 and operates on the interface unit I1.
1, the common function unit C11 of the local environment L11
, The common function unit C11 calls the unique function unit O11 to realize the request (arrow 11). The application A11 is brought to the computer M12 and operated as it is (the application A11 '). The remote environment R11 of the computer M11 and the remote environment R12 of the computer M12 are connected via a network. At this time,
Only the common function unit C11 of the local environment of the computer M11 to be used is defined in the remote environment R12 (the computer M11).
The local environment L11 of the computer M12 may be used except for the case where the use of the local environment L11 of the computer M11 is indispensable, such as file access, in consideration of the communication load and the communication performance. Good to do). The application A11 ′ operating on the computer M12 operates on the execution control unit P12 and uses the interface unit I12 to access the remote environment R12 or the local environment L12. In the case of a request for a common function defined in the remote environment as described above, the communication unit T12 of the remote environment R12 notifies the communication unit T11 of the remote environment R11 of the computer M11 of the request information, and the distribution unit B11 transmits By requesting the common function unit C11 of the environment L11, the common function unit C11 is changed to the unique function unit O11.
Is realized (arrow 13). The execution result is notified by the reverse route. On the other hand, in the case of a request to the local environment, by making a request to the common function unit C12 of the local environment L12, the common function unit C12 implements a call request for the unique function unit O12 (arrow 12). The application A11 'does not need to be aware of calling the remote environment R12 and the local environment L12 at all.

FIG. 2 is a diagram showing a control structure of the remote access system according to the present invention. In (a), an application is provided with an interface for each common function, and a communication unit and a distribution unit are realized for each common function. For example, when the number of common functions increases, it is necessary to add a communication unit and a distribution unit corresponding to this. In (b), an application is provided with an interface for each common function, and one communication unit and one distribution unit realize distribution of each common function. For example, when the number of common functions increases, it is necessary to correct the communication unit and the distribution unit corresponding to the increase.

FIG. 3 is a diagram showing a control example of the remote access method according to the present invention. The application A31 of the computer M31 calls the common function A (call
A) When the common function A is defined in the remote environment R11, the execution control unit P31 sends the remote environment R
31 is called and the communication unit T31 of the remote environment R31
Passes the request to the communication unit T32 of the computer M32, which is the connection destination of the remote environment. In the computer M32, the received request is transmitted to the common function unit C via the communication unit T32 and the distribution unit B32.
Call 32.

The common function unit C32 calls the unique function unit O32, implements the request, and returns the result by the reverse route. on the other hand,
When the common function A is not defined in the remote environment R11, the local environment L31 is called from the execution control unit P31, and the common function unit C31 is called. Common function part C3
1 calls the unique function unit O31 to realize the request and returns the result by the reverse route.

FIG. 4 is a diagram showing an example of managing the environment of the remote access system of the present invention. The remote environment R41 and the local environment L41 are defined for each application. Under the home directory d0 of the application, there is a directory d1 of the remote environment R41 and a directory d1 of the local environment L41. Under the directory d1 of the remote environment R41, there are common function units f1 and f2. On the other hand, under the directory d2 of the local environment L41, the common function units f1 and f3
Exists. Where f1 exists in both environments,
What is necessary is just to determine a rule that the execution control unit refers to from the remote environment R41, and if this rule is hijacked, f1 of the remote environment R41 will be used.

FIG. 5 is a diagram showing an embodiment of remote debugging using the remote access method of the present invention. Since the configuration is the same as that of FIG. 1, the description is omitted. What is added here is a debug function D52. The debug function D52 is positioned below the execution control unit P52 in this description, but may be positioned above the execution control unit P52 (from the application A51 '). Here, since the original computer M51 on which the application A51 operates does not have the debug function, the computer M52 having the debug function D52 becomes the application A51 (the computer M51).
52 is the same as the application A51 'on the remote server 52). The application A51 of the computer M51 normally accesses the local environment L51 of the computer M51 (arrow 51). However, the computer M
Since the debug function 51 is not provided, debugging of a series of processes cannot be performed. Then, the application A51 of the computer M51 is brought to the computer M51. As described above, since the execution control units P51 and P52 provide an environment in which the application can operate without modifying the application, the application A51 can operate as the application A51 'without any problem. The application A51 'operates on the execution environment part P52 and the debug function D52, so that the local environment access (arrow 53) and the remote environments R51, R52 access the local environment L51 of the computer M51 via the network N51. (Arrow 52).
This enables debugging of the application A51 in the real environment, which could not be debugged until now.

FIG. 6 is a diagram showing an example of using other computer resources using the remote access method of the present invention. Since the configuration is the same as that of FIG. 1, the description is omitted. Here, the files F61 and F62 are added. here,
A resource on the network is accessed from a computer application in the same way as a local resource. In the access method, the application A61 of the computer M61 locally accesses the file F61 of the local environment L61 (arrow 61), or the application A62 of the computer M62 locally accesses the file F62 of the local environment L62 (arrow 62). A completely different application A63 of the computer M63 has remote environments R62 and R62.
63 and the computer M via the network N61
The remote access is made to the file F62 in the local environment L62 (arrow 64). This method is similar to the conventional remote access. The other is that the application A61 which has been operating on the computer M61 is operated as the application A61 'on the computer M63, and the application A61' remotely accesses the file F61 of the local environment L61 of the computer M61 (arrow 63). This method is effective when the line speed is higher than ever and the performance of the CPU of the computer M63 is higher than that of the computer M61. It is also an effective means for constructing simple tasks and centrally managing applications.

FIG. 7 is a flowchart showing a processing procedure on the application operation side of the remote access method of the present invention. In the description of this flowchart, the number following S indicates a step number. [S71] The path of the local environment and the remote environment for operating the application is defined (in the first case, a path is generated), and the necessary common functions and unique functions are installed in the local environment.

[S72] A common function used in the remote environment is defined in the remote environment. Also, define the network with the remote environment of the partner computer (create an environment that can communicate with the partner). [S73] The application is started by specifying the paths of the local environment and the remote environment.

[S74] If the execution of the application is terminated (return to the OS), the processing is terminated. Otherwise, the process proceeds to step S75. [S75] If it is a call of a common function defined in the remote environment, the process proceeds to step S77, otherwise the process proceeds to step S76. [S76] The common function of the local environment is called, the requested function is realized, and the flow advances to step S74.

[S77] The remote environment is called, the common function of the partner computer is called, the requested function is realized, and the flow advances to step S74. FIG. 8 is a flowchart showing a processing procedure on the resource side accessed by the application of the remote access method of the present invention. In the description of this flowchart, the number following S indicates a step number.

[S81] The name of the common function to be executed and the information required at the time of execution are received from the partner computer connected in the remote environment. [S82] The common function of the local environment is called from the common function name. At this time, the information received from the partner computer is also passed. [S83] The common function in the local environment realizes the requested function by calling the unique function.

[S84] The execution result is notified to the partner computer by the reverse route when called, and the processing for the request is terminated. FIG. 9 shows the GU on the terminal side in the remote access method of the present invention.
It is a figure showing an example using I. Since the configuration is the same as that of FIG. 1, the description is omitted. What is added here is a GUI control unit G102. Here, the computer M101 on which the application A101 operates does not have a GUI function (user interface), or
A case where a terminal having an excellent I function is used will be described.

The application A10 of the computer M101
1 accesses and processes / edits the file resource F101 (arrow 100). The processed / edited data is processed as if it were stored in a file in the local environment.
At this time, the stored data is a remote environment R101,
The notification is sent to the local environment L102 of the terminal W101 via the network N101 and the remote environment R102 (arrow 101). Next, the local environment L10
2 calls the GUI control unit G102, the data processed by the computer M101 is transmitted to the terminal W102.
(Arrow 102).

The data input from the terminal W101 is transmitted to the application A1 of the computer M101 through the reverse route.
01 is notified. FIG. 10 is a diagram showing another example of using the resources of another computer in the remote access method of the present invention. Since the configuration is the same as that of FIG. 1, the description is omitted. What is added here is the pseudo environment S111. Here, the application A111 of the computer M113 accesses the file resource F111 of the computer M111 on the network N111 and the file resource F112 of the computer M112 similarly to the local resources.

The computer M112 has been described with reference to FIG. In the computer M111,
Since there is no execution control unit and no remote environment, the computer M1
Control cannot be performed in the same manner as in the case of FIG. Also, the application A111 cannot operate on the computer M111. However, by determining the data format (protocol) flowing through the network N111 and creating a pseudo environment S111 in which the computer M111 without the execution control unit and the remote environment interprets the data format, the application A111 of the computer M113 can The file resources of each computer (M111, M112) can be accessed in the same manner without being aware of the mounting status of each computer (M111, M112) (arrow 111).

[0025]

As described above, according to the present invention, one application can operate on any computer connected via a network and can access local resources of any computer. Remote debugging from one computer equipped
And can be easily operated by a high-performance computer such as a CPU, and the centralized management of applications is also possible.

[Brief description of the drawings]

FIG. 1 is a block diagram showing the principle of a remote access system according to the present invention.

FIG. 2 is a diagram showing a control structure of a remote access method according to the present invention.

FIG. 3 is a diagram illustrating a control example of a remote access method according to the present invention.

FIG. 4 is a diagram showing an example of management of a remote access environment according to the present invention.

FIG. 5 is a diagram showing an embodiment of remote debugging using the remote access method of the present invention.

FIG. 6 is a diagram showing an example of using other computer resources using the remote access method of the present invention.

FIG. 7 is a flowchart showing a processing procedure on the application operation side of the remote access method of the present invention.

FIG. 8 is a flowchart showing a processing procedure on the resource side accessed by the application of the remote access method of the present invention.

FIG. 9 shows a GU on the terminal side in the remote access method of the present invention.
It is a figure showing an example using I.

FIG. 10 is a diagram showing another example of using the resources of another computer in the remote access method of the present invention.

FIG. 11 is a diagram illustrating an example of a conventional remote access method.

[Explanation of symbols]

A11, A11 ', A21, A22, A31, A51,
A51, A61, A61, A62, A63, A91, A
92, A93, A101, A111 Application B11, B21, B22, B32 Distribution unit C11, C12, C21, C22, C31, C32 Common function unit D52 Debug function I11, I12, I21, I22, I31 Interface unit L11, L12, L31, L41, L51, L52, L
61, L62, L91, L92, L102, L111
4, L112 Local environment M11, M12, M21, M22, M23, M24, M
31, M51, M52, M61, M62, M63, M9
1, M92, M93, M101, M111, M112,
M113 Computer N11, N51, N61, N91, N101, N102
Network O11, O12, O21, O22, O31, O32 Specific function units P11, P12, P31, P51, P52, P61, P
62, P63, P101, P102, P112, P11
3 execution control units R11, R12, R31, R41, R51, R52, R
61, R62, R63, R101, R102, R11
2, R113 Remote environment T11, T12, T21, T22, T23, T24, T
31, T32 communication unit G102 GUI control unit S111 pseudo environment F61, F62, F91, F92, F101, F11
1, F112 file resources

Claims (5)

[Claims] In a computer system connected by a local network, each computer connected to the network is provided with a remote environment unit for managing local resources of the computer, and the remote environment unit communicates with other computers. A remote access system, comprising: a distributing unit that has a unit and selects a requested local resource; and a local environment unit that registers self-managed resources. 2. The remote access system according to claim 1, wherein said remote environment unit has a function of testing an application. 3. The remote access system according to claim 1, wherein said remote environment unit is provided for each application. 4. The remote environment section has an execution control section,
2. The remote access system according to claim 1, wherein said execution control unit is capable of executing a program on its own resource in response to a request from another computer. 5. A remote environment unit for managing local resources of each computer connected to a local network, the remote environment unit having a communication unit with another computer and requesting local resources. A machine-readable storage medium that stores the functions of a distribution unit for selecting a function and a local environment unit in which self-managed resources are registered.