JP2000181774A - File manager system between lan - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a file manager system where a file is operated in the same way as the file operation of a self-terminal even between LANs and operability/workability can be improved. SOLUTION: In a network system where plural LANs 1, 2 and 3 are mutually connected, a file manger holds information on LAN becoming a connection opposite party and information on the terminal of LAN in a security information file and information on the terminal of LAN becoming the connection opposite party in the security information file in the terminal of opposite LAN. When the terminal of one LAN accesses the file under the terminal of opposite LAN, a log-on operation is not executed for the terminal of opposite LAN on the terminal of LAN at every time and desired access is realized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a network file management system, and more particularly, to a file management (manager) system that facilitates file operations between different LANs (local area networks).

[0002]

2. Description of the Related Art It is possible to freely refer to, update, transmit and receive files between terminals connected to a certain LAN between directories designated to be shared. In addition, the operation itself can be performed by a generally provided file manager or the like such as NFS (Network File System) in the image of operating a file under its own terminal. I have.

[0003]

However, in a network system in which a plurality of LANs are interconnected, when accessing a file under a terminal connected to another LAN, for example, telnet, ftp, etc.
For example, it is necessary to individually log on to the target terminal and perform an access operation, and there is a problem in operability.

As a method for enabling file access between remote computers via a working directory as a file access via a network, for example, Japanese Patent Laid-Open No. 61-194948, a plurality of file management methods differing from a single client. For a system that enables access to a file server, reference is made to the description in, for example, Japanese Patent Application Laid-Open No. 9-22374.

[0005] Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to make it possible to perform a file operation between LANs by the same operation as the file operation of its own terminal. Another object of the present invention is to provide a file manager system that improves work efficiency.

[0006]

In order to achieve the above object, the present invention provides, in a network system in which a plurality of LANs are interconnected, a terminal of one LAN, information of another LAN to be connected, and The information of the terminal of the other LAN is stored and held in security information, and the information of the terminal of the LAN to be connected to the terminal of the other LAN is also stored and held in the security information.
When accessing a file under the terminal of another LAN from the terminal of one LAN, the terminal of the one LAN does not log on to the terminal of the other LAN, and performs the same operation as the file under the own terminal. A desired access can be performed. The above object is similarly achieved by the present invention according to claims 2 to 6.

[0007]

Embodiments of the present invention will be described. The file manager system of the present invention enables operations such as reference to a file list and transfer of files between terminals connected to different local area networks (LANs) without being aware of another LAN.

According to a preferred embodiment of the present invention, in a network system in which a plurality of LANs are interconnected, a file management system mounted on a terminal of one LAN is provided with information of another LAN to be connected. And the terminal information of the other LAN is stored and held as security information, and the file management system mounted on the terminal of the other LAN is also connected to the LAN connected to the other LAN.
Information and the terminal information of the other LAN are stored and held as security information, and the terminal of the one LAN is connected to another LA.
When accessing a file under the N terminal, the one LAN terminal first sends an inquiry request to the other LAN server terminal, and the other LAN server terminal
A security check is performed by referring to the security information as to whether or not the terminal of the one LAN that has issued the inquiry request is a registered terminal. And the list information of the terminals belonging to the LAN is returned to the terminal of the one LAN, and the list information (see FIG. 2B) displayed on the terminal of the one LAN is used to determine the other LAN. When one of the terminals is selected, for the selected terminal,
After performing a security check with reference to the security information, an inquiry request is transmitted, and the file information under the one terminal of the another LAN is transmitted from the selected terminal to the terminal of the one LAN. And the file information displayed on the terminal of the one LAN (FIG. 2).
The file operation is performed from (c).

In the embodiment of the present invention, one LA
N in response to the file operation request issued by the terminal of the other LAN or the terminal of the other LAN or the terminal between the other LANs, the terminal of the other LAN or the other LAN
A file operation request is transferred between the inter-terminals after performing a security check with reference to the security information.

In an embodiment of the present invention, a file management system (file manager) includes partner LAN information for enabling file information inquiry and file operation, and information on a terminal positioned as a server terminal in the partner LAN. The security information storage means (34 in FIG. 3) for storing and holding, and when an inquiry request or a file operation request from another LAN terminal is received, by referring to the security information file, processing from a registered terminal is performed. A security check unit (36 in FIG. 3) for checking whether the request is a request, a maintenance unit (35 in FIG. 3) for registering and updating information in the security information storage unit, List of terminals under the LAN to which the terminal belongs, and files and directories under the terminal File inquiry means (37 in FIG. 3) for collecting information of the own LAN and returning a result when receiving an inquiry request from a terminal of another LAN, while performing a query request processing of the designated terminal. Against
File operation means (38 in FIG. 3) for performing operation request processing such as file movement, copying, deletion, etc., and executing a designated file operation when receiving a file operation request from a terminal on another LAN. At least.

An embodiment of the present invention will be described by taking a network system to which the present invention is applied as an example. In FIG. 1, a terminal 1-1 in the LAN 1 includes a terminal 2-1 in the partner LAN 2 and a terminal 3 in the LAN 3 for which a file operation is to be performed.
-1 information is registered. Also, terminal 2 in LAN2
-1, the terminal 1-1 of the LAN1, the terminal 3- of the LAN3,
1 is registered, and the terminal 3 of the LAN 3 is similarly registered.
1, terminal 1-1 of LAN1 and terminal 2-1 of LAN2.
Register the information of Note that LAN1, LAN2, L
The ANs 3 are mutually connected by a router or the like (not shown).

Here, when the directory of another network connection terminal is referred to by using the file manager system of the terminal 11 of LAN1, LAN2 and LAN3 are displayed as a list of other LANs registered in the terminal 1-1. (See FIG. 2A).

Next, when LAN2 is selected from the displayed list, a list of terminals connected to LAN2 is displayed (see FIG. 2B).

Further, the terminal 2 is selected from the displayed terminal list.
When -1 is selected, a list of directories and files that can be referenced or updated in the terminal 2-1 is displayed (see FIG. 2C).

Further, by operating these displayed files with an input device such as a mouse, it is possible to perform processes such as moving, copying, and deleting.

As described above, it is possible to operate a file under a terminal connected to another LAN in an operation mode as if operating a file of the own terminal.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. In one embodiment of the present invention, the network configuration and the terminal display screen are the same as those shown in FIGS. 1 and 2, respectively. FIG. 3 is a diagram showing a configuration of a terminal according to one embodiment of the present invention. Referring to FIG. 3, the present embodiment includes an input device 31 such as a keyboard and a mouse.
An output device 32 such as a display for displaying as a file manager system, a control unit 33 for performing overall control, a security information file 34 for holding security information, and input of security information. A maintenance unit 35 for updating and another L
A security check unit 36 for checking whether communication with a registered terminal is performed by referring to the security information file 34 at the time of communication with the AN, a file information inquiry unit 37 for mainly performing inquiry processing, Move,
File operation unit 38 for performing processing such as copying and deleting
And

The control unit 33 includes an input device 31, an output device 3
2 to perform overall control of the file manager system, such as man-machine interface control, file information inquiry processing, file operation processing, and security information maintenance processing.

The security information file 34 includes a partner L for enabling file information inquiry and file operation.
It holds AN information and information on terminals positioned as servers in the partner LAN. In addition, the maintenance unit 35 sends the security information file 34
The user performs operations such as inquiry, registration, update, and deletion specified by the input device 31.

The security check unit 36 is connected to another LAN.
When an inquiry request or a file operation request from a terminal is received, it is checked by referring to the security information file 34 whether the request is a processing request from a registered terminal. In addition, by providing a security enhancement function such as encryption / decryption, transmission / reception with another LAN can be performed safely.

The file information inquiry unit 37 provides, for a specified terminal, a list of terminals under the LAN to which the terminal belongs,
Then, an inquiry request process for file and directory information under the terminal is performed. When an inquiry request is received from a terminal on another LAN, the file information inquiry unit 37 collects information on the own LAN and returns a result.

The file operation unit 38 performs an operation request process such as moving / copying / deleting a file to a designated terminal. When receiving a file operation request from a terminal on another LAN, the file operation unit 38 executes the specified file operation.

Next, the operation of this embodiment will be described with reference to FIGS. Hereinafter, an example of an operation on the terminal 1-1 in the network configuration illustrated in FIG. 1 will be described.

When a directory of another network connection terminal is selected by the input device 31 in the file manager displayed on the GUI in the output device 32, the control unit 33 receives the instruction and the file information inquiry unit from the control unit 33. At 37, an inquiry request instruction is issued. The file information inquiry unit 37 refers to the security information file 34, and refers to the other LAN registered in the terminal 1-1.
The information is acquired, and this information is returned to the control unit 33. The control unit 33 that has received the information displays the result on the output device 32 (see FIG. 2A).

Next, from the list of other LANs displayed as shown in FIG.
Is selected, the control unit 33 receives the instruction,
The control unit 33 issues an inquiry request instruction to the file information inquiry unit 37. The file information inquiry unit 37 refers to the security information file 34 and assembles an inquiry request message addressed to the terminal 2-1 registered as a server terminal of the LAN2. This inquiry request message is sent to the security check unit 3
6 to the terminal 2-1 of the LAN2.

The transmitted inquiry request message is received by the security check unit 36 of the terminal 2-1 of the LAN 2.

In the terminal 2-1 of the LAN 2, the security check unit 36, which has received the inquiry request message, refers to the security information file 34 and checks whether the inquiry request message is a request from a registered terminal. The registered terminal instructs the file information inquiry unit 37 to issue an inquiry request. The file information inquiry unit 37 collects information of a terminal list which is connected to the own LAN and can be referred to or updated from the terminal 2-1 and assembles an inquiry result message for the terminal 1-1. The assembled inquiry result message is returned via the security check unit 36 of the terminal 2-1 and received by the security check unit 36 of the terminal 1-1.

In the terminal 1-1, the received inquiry result is displayed on the output device 32 by the control unit 33 via the file information inquiry unit 37 (see FIG. 2B).

Further, when the terminal 2-1 is selected from the list displayed on the screen as shown in FIG. 2B, similarly to the above, the control unit 33 of the terminal 1-1 and the file information inquiry unit 3 are selected.
7. The inquiry request message is transmitted to the terminal 2-1 via the security check unit 36. In the terminal 21, the security check unit 36 receives the inquiry request, the file inquiry unit 37 collects the file and directory information under the terminal 2-1 and returns the result to the terminal 11.

At the terminal 1-1, the returned file and directory information are displayed on the screen as shown in FIG. 2 (c).

Next, a case will be described in which the terminal 1-1 instructs to copy a file from the terminal 2-1 to the terminal 3-1.

In the display state shown in FIG. 2C, when an instruction to copy the file 211 of the terminal 2-1 to the terminal 3-1 is given by the input device 31, the control unit 33 receives the instruction. Then, the control unit 33 issues a file operation request instruction to the file operation unit 38. The file operation unit 38 assembles a file copy request message addressed to the terminal 2-1 and transmits the message to the terminal 2-1 of the LAN 2 via the security check unit 36. This message includes information such as request source information, request content, and request partner information designated by the input device 31.

The transmitted file copy request message is L
This is received by the security check unit 36 of the terminal 2-1 of AN2. Upon receiving the file copy request message, the security check unit 36 refers to the security information file 34 to check whether the request is from a registered terminal. If the request is from a registered terminal, the file operation unit 38 instructs a file copy request.

The file operation unit 38 recognizes that the file copy destination is the terminal 3-1 on another LAN, and
A copy request for the file 211 is made to the destination. This copy request is received by the security check unit 36 of the terminal 3-1 and it is confirmed whether the request is from a terminal registered in the security information file. In this case, since the request source of the file copy is the terminal 1-1,
The registration of the terminal 1-1 is confirmed. If the terminal 1-1 is registered in the security information file, a file transfer session between the terminal 21 and the terminal 31 is established, and the file transfer is performed.

In the terminal 3-1, the transferred file 21
1 is passed to the file operation unit 38 via the security check unit 36 and written under the specified directory.

In this way, the terminal 2-1 is connected to the terminal 3-
When the copying of the file 211 to the first
-1 and the terminal 3-1 release the file transfer session.

The file operation unit 38 of the terminal 3-1 returns a file copy result to the terminal 1-1.

The terminal 1-1 receives the result of the file copy operation and displays the result on the output device 32 via the security check unit 36, the file operation unit 38, and the control unit 33.

The maintenance unit 35 registers, changes, and deletes partner LAN information and server terminal information under the LAN. By operating the input device 31 on the file manager displayed on the output device 32, the control unit 3
3. The security information file 34 is updated via the maintenance unit 35.

Next, a second embodiment of the present invention will be described. FIG. 4 is a diagram showing the configuration of the second exemplary embodiment of the present invention.

Referring to FIG. 4, the file information inquiring section 37 of FIG. 3 described in the above embodiment is replaced by a server file information inquiring section 37A and a client file information inquiring section 3.
7B, the file operation unit 38 includes a server file operation unit 38A and a client file operation unit 38B.
The difference is that they are configured as

In the above embodiment, the terminal 1-1, the terminal 2-1 and the terminal 3-1 which are positioned as servers of each LAN are provided with:
By holding the partner's LAN and terminal information, file operations can be performed on terminals under the partner LAN.

In the second embodiment of the present invention, as shown in FIG. 4, by using a file manager system for a server terminal and a client terminal, all terminals belonging to a certain LAN can be used for all terminals belonging to another LAN. File operation of the terminal can be performed.

Referring to FIGS. 1, 2 and 4, a second embodiment of the present invention will be described. In the following, L of FIG.
The terminal 1-1 belonging to AN1 is a server terminal, and the terminal 1-1
2 is a client terminal. The security information file 34B shown in FIG. 4 holds information that the user is a client terminal and that the terminal 1-1 is a server of the LAN to which the terminal belongs.

When the directory of another network connection terminal is selected by the input device 31B, the control unit 33B receives the instruction.

Next, an inquiry request instruction is issued from the control unit 33B to the client file information inquiry unit 37B. The client file information inquiry unit 37B makes an inquiry request for the registered other LAN information to the terminal 1-1, which is a server, by referring to the security information file 34B.

The server terminal 11 receives the inquiry request from the terminal 1-2 under its own LAN, and refers to the security information file 34A in the server file information inquiry section 37A, so that the server terminal 1-1 receives the inquiry request. The registered other LAN information is acquired, and this information is
Reply to -2.

In the terminal 1-2 which has received the returned information, the result is displayed on the output device 32B in the control unit 33B via the client file inquiry unit 37B as shown in FIG. 2A.

Next, FIG. 2 (a) is inputted by the input device 31B.
When LAN2 is selected from the list of other LANs displayed as described above, the instruction is received by the control unit 33B, and an inquiry request instruction is issued to the client file information inquiry unit 37B. The file information inquiry unit 37B makes an inquiry request to the terminal 1-1, which is a server, by referring to the security information file 34B. In the terminal 1-1 that has received the inquiry request from the terminal 1-2, the server file information inquiry unit 37A refers to the security information file 34A, and sends an inquiry request addressed to the terminal 2-1 registered as a server terminal of the LAN2. Assemble the telegram. This inquiry request message is transmitted to the terminal 2-1 of the LAN 2 via the security check unit 36A. The processing in the terminal 2-1 from this point until receiving the inquiry result is as described in the above embodiment.

Then, the server terminal 1-1 which has received the inquiry result from the client terminal 2-1 returns this result to the client terminal 1-2.

In the terminal 1-2 receiving the information, the control section 33B passes through the client file inquiry section 37B.
In FIG. 2, the result is displayed on the output device 32B as shown in FIG.

Similarly, when the directory and file list under the terminal 21 in FIG. 2B are queried by the input device 31B, the terminal 2-1 is queried through the server terminal 1-1. The query result is output to the output device 32B, as shown in FIG.
The screen is displayed as shown in FIG.

Also, when a file operation instruction such as moving, copying, or deleting a file is issued, the server terminal 1
Via -1, file operation processing is performed on the partner terminal, and the result is displayed on the output device 32B of the terminal 1-2.

[0054]

As described above, according to the present invention,
It enables terminals connected to different LAN environments to refer to a directory list and a file list under each terminal, and to perform operations such as moving, copying, and deleting files without being aware of different LANs. It works.
As a result, when related work is performed in different work places, troublesome operations such as file transfer and facsimile are eliminated, and operability and work efficiency are improved.

The reason is that in the present invention, different L
This is because the terminals in the AN environment mutually hold each other's information as security information, so that the file manager automatically establishes a session and can transmit and receive information.

[Brief description of the drawings]

FIG. 1 is a diagram showing a network configuration according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating an example of a terminal screen according to an embodiment of the present invention.

FIG. 3 is a diagram illustrating a configuration of a file manager according to an embodiment of the present invention.

FIG. 4 is a diagram showing a network configuration according to a second embodiment of the present invention.

[Explanation of symbols]

 11, 1-2, 2-1, 3-1 Terminal 31, 31A, 31B Input device 32, 32A, 32B Output device 33, 33A, 33B Control unit 34, 34A, 34B Security information file 35, 35A, 35B Maintenance unit 36, 36A, 36B Security check unit 37, 37A, 37B File information inquiry unit 38, 38A, 38B File operation unit

Claims (6)

[Claims] In a network system in which a plurality of LANs are interconnected, information of another LAN to be connected and information of the other LAN terminal are stored in a security information file in a terminal of one LAN. The other LAN terminals to be connected and connected to
The information of the LAN terminal to which the other terminal is connected is stored and held in a security information file. When a file under one LAN terminal is accessed from one LAN terminal, the information on the one LAN terminal is An inter-LAN file management system wherein a desired access can be performed in the same operating environment as a file operation under its own terminal without performing a logon operation to a terminal of another LAN. 2. A network system in which a plurality of LANs are interconnected, wherein a terminal belonging to one LAN is connected to another LAN which is a connection partner.
And the terminal information belonging to the other LAN are stored and held as security information, and the terminal of the other LAN is also connected to the other LAN.
AN information and terminal information belonging to the other LAN are stored and held as security information. When a file under the terminal of the other LAN is accessed from the terminal of the one LAN, the terminal of the one LAN first receives an inquiry request. Is transmitted to the server terminal of the other LAN, and the server terminal of the other LAN refers to the security information as to whether or not the terminal of the one LAN that has issued the inquiry request is a registered terminal. Perform a security check, and if it is from a registered terminal, return the list information of the LAN to which the terminal is connected and the terminals belonging to the LAN to the terminal of the one LAN, When one terminal of the other LAN is selected by the user from the displayed list information, the security is transmitted to the selected terminal. On the security check is made by referring to the I information, query request is sent from the selected terminal,
The file information under the one terminal of the other LAN is returned to the terminal of the one LAN, and a file operation is performed from the file information displayed on the terminal of the one LAN. Network file management system. 3. The file management apparatus according to claim 1, wherein said file operation request is issued from a terminal of said another LAN or a terminal between said other LANs issued from a terminal of said one LAN.
A file operation request is transferred to a corresponding terminal after a security check is performed with reference to the security information between the terminal and another terminal between other LANs, and the file operation is performed. 3. The network file management system according to claim 2, wherein: 4. The other party's LAN information for enabling the terminal to perform file information inquiry and file operation, and the other party's L
Security information storage means for storing and holding information of a terminal positioned as a server terminal in the AN, and, when an inquiry request or a file operation request from another LAN terminal is received, the security information file is referred to, and the registered information is registered. Security checking means for checking whether or not the request is a processing request from a terminal; maintenance means for registering and updating information in the security information storage means; Inquires the list of terminals under the terminal, file and directory information under the terminal, and, when receiving an inquiry request from a terminal on another LAN, collects information on the own LAN and returns a file information inquiry to return the result. Means and file operations such as moving, copying, and deleting files to designated terminals. Work request processing and other LAN
3. The network file management system according to claim 2, further comprising: file operation means for executing a designated file operation when a file operation request is received from said terminal. 5. A network file management system according to claim 2, wherein said file information inquiry means is provided in each of a server terminal and a client terminal, and said file operation means is provided in each of a server terminal and a client terminal. . 6. A file management system mounted on a terminal of a LAN in a network in which a plurality of LANs are interconnected, the partner LAN information for enabling file information inquiry and file operation, and a server terminal in the partner LAN. (A) When an inquiry request or a file operation request from another LAN terminal is received, the security information file is referred to by referring to the security information file. Security check means for checking whether or not the processing request is from a registration terminal; (b) registration of information in the security information storage means;
And (c) the LA to which the specified terminal belongs
File information for performing a list of terminals under N, file and directory information under terminal control, and collecting information of own LAN and returning a result when receiving a request for inquiry from a terminal on another LAN. Inquiring means; (d) performing file operation request processing such as moving, copying, and deleting a file to the designated terminal, and receiving a file operation request from a terminal on another LAN; File operation means for executing a file operation performed by the file management system.
A recording medium on which a program for causing each means of (d) to be executed on a computer constituting the terminal is recorded.