JPH0559456B2 - - Google Patents

Description

[Detailed Description of the Invention] [Summary] Regarding an access control method in a host cooperation system in which a plurality of terminals are connected to a host device equipped with generation-managed resources, the present invention relates to an access control method that is executed on the host device when each terminal starts. The purpose of the present invention is to provide an access control method in a host cooperation system that prevents the burden on host devices from being imposed all at once due to maintenance processing. A maintenance control unit that controls downloading of host resources after logon, and management data including a maintenance setting mode, a set date and time indicating the day or time when maintenance should be performed, and a normal end date and time of maintenance, and The control section includes a mode determining means that determines the maintenance setting mode when activated, and a mode determining means that is activated when in the automatic mode and determines whether the current date and time of the clock means satisfies the activation condition with respect to the set date and time and the normal end date and time. The apparatus is configured to include a setting date and time condition determining means for making a determination, a downloading means that is activated to execute the download when the condition is satisfied, and a normal end date and time setting means that is activated when the loading is normally completed.

[Industrial Application Field] The present invention relates to an access control method in a host cooperation system in which a plurality of terminals are connected to a host device having generation-managed resources.

In recent years, central information processing equipment has been used as a host device,
In contrast, systems have come into use in which multiple terminals such as workstations are connected and each terminal executes various processes in cooperation with a host device.

In such systems, generation management (management to always maintain resources of updated generations based on software versions, etc.) is required in the host device.
Correspondingly, each terminal is equipped with a maintenance function, and when the power is turned on, the resources used in each terminal are checked for resources whose generation has been updated due to version up, etc., and if there is an updated resource, it is The download is executed.

However, maintenance operations for many terminals on such host resources are almost always performed when resources are input to the terminals, so the host device has the disadvantage of increased overhead due to maintenance operations when accessed from the terminals. There is a need for improvement.

[Conventional technology] FIG. 6 is an explanatory diagram of a conventional example.

A in FIG. 6 is a system configuration diagram.

65 in the figure is a host device, 66 each represents a terminal such as a work station, and a host cooperation system is configured in which a plurality of terminals 66 are connected to the host device 65.

The host device 65 stores various resources (software) used in the processing of each terminal in a file 651, and performs generation management of each resource. In other words, when a new version (generation) occurs in response to the modification and advancement of the content of each resource,
It is stored in a file of the host device 65 and holds generational update information using the file management function.
Each terminal 66 holds the resources it uses in its own file.

Therefore, each terminal 66 obtains information from the host device 65 and performs maintenance of its own terminal. In that case,
Each terminal 66 has a setup function, and setup items include automatic startup at IPL (initial program loading) at power-on, automatic logon, automatic maintenance, and selection of maintenance resources. If you select to run these in automatic mode, the resources set up will be maintained in order by access at startup.

B in FIG. 6 shows the flow of conventional maintenance processing. First, automatic logon is executed and a usage declaration is made from the terminal to the host device (step 60). Next, it is determined whether automatic maintenance is specified (step 61), and if it is not specified, resources for download are manually selected (step 62), and the selected resources are downloaded. In step 61, if it is determined that automatic maintenance is specified, the date and time of the last successful completion (this is the date and time when the previous maintenance operation ended without failure, and is set when each maintenance operation ends normally). Compare the current startup time (step 63). If the two do not match, resource downloading is performed for items (one or more of a plurality of resources) for which automatic maintenance has been specified in advance (step 64).

If a match is detected in step 63, it is the same day (or time) as the previous time, so the process ends without executing the resource download.

[Problems to be Solved by the Invention] According to the conventional method described above, each terminal executes a maintenance operation when it is started at a date and time different from the date and time when the previous maintenance was normally completed, and maintenance is performed each time when it is started every day. . When there are a large number of terminals such as workstations, these terminals are often started all at once at a certain time. For example, normally, all workstations are started at the same time when the workday starts. This poses a problem in that the overhead placed on the host device increases and the processing capacity of the host device significantly decreases.

SUMMARY OF THE INVENTION An object of the present invention is to provide an access control method in a host cooperation system that prevents the burden on the host devices from being imposed all at once due to maintenance processing performed on the host devices when each terminal starts up.

[Means to solve the problem] FIG. 1 is a diagram showing the basic configuration of the present invention.

In FIG. 1, 10 represents a host device that holds generation management resources, 11 a terminal that cooperates with the host device, 12 a logon section, 13 a maintenance control section, 14 management data, and 15 a clock means.
In the maintenance control unit 13, 131 is a mode determining means, 132 is a set date and time condition determining means, 133
134 is a download means, and 134 is a normal end date and time setting means.

Although only one terminal 11 is shown in FIG.
In reality, a large number of terminals are connected to the host device 10 and perform cooperative operations.

The present invention sets the startup date and time for maintenance on the terminal in advance, and when the power is turned on and the connection with the host device is established, the setting is set by referring to the current date and time, the preset date and time, and the previous normal end date and time. The maintenance operation is started only when the date and time conditions are met.

[Operation] As the management data 14 in the terminal 11 in FIG.
A setting mode (automatic/manual) 141 is input from an input means (not shown) in advance, and a setting date and time 142 indicates the date and time (including a specific day of the month or a specific time of the day) when maintenance should be performed for each item. is set, and in addition, a normal end date and time 143, which is the date and time when the previous maintenance ended normally, is stored.

When a startup input is generated by powering on the terminal 11, the logon unit 12 connects to the host device 10. In parallel with this, the maintenance control section 13 is driven, and the mode determining means 131 first determines the maintenance mode. When the automatic mode is set as the maintenance mode of the management data 14, the next setting date and time condition determining means 132 is activated.

The setting date and time condition determining means 132 uses the management data 1
Setting date and time 142 corresponding to the set item in 4
and the normal end date and time 143, and further reads the current date and time information from the clock means 15 to determine whether or not the conditions for starting maintenance are satisfied. That is, if the set date and time is included between the previous normal end date and time and the current date and time, it is determined that the condition is satisfied; otherwise, it is determined that the condition is not satisfied and the control operation is ended.

If the conditions are met, download method 1
33 is activated and downloads (stores in a file of a terminal (not shown) the resources of the specified item through interaction with the host device 10).

After this, the normal end date and time setting means 1 as before
34, the current date and time information output by the clock means 15 is set in the management data 14.

In this way, if the date or time (or both date and time) of automatic startup maintenance is set in advance on each terminal, and the date and time setting conditions are determined at the time of system startup when the power is turned on, and the conditions are met. By configuring the system so that downloading of resources is executed only at certain times, the overhead on the host device can be reduced by making the set date and time of each of the plurality of terminals different for each terminal.

In addition, if you set the day as the setting date and time,
Maintenance is performed at least once a month, and if you specify a time, maintenance is performed only once a day (after the specified time). The setting date and time may be specified according to the date and time (for example, it is changed to a fixed date only once a month).

[Example] Fig. 2 is a configuration diagram of a host cooperation system in which the present invention is implemented, Fig. 3 is an explanatory diagram of preset items and contents of a management file, Fig. 4 is a processing flow diagram of the embodiment, and Fig. FIG. 5 is a time relationship explanatory diagram according to a specific example of the present invention.

In FIG. 2, 20 is a host device, 21 is a file containing generation-managed resources, 22 is a modem, 23 is a terminal such as a workstation, and 24 is a terminal such as a workstation.
CPU, 25 is a line control unit, 26 is a file control unit, 27 is a memory, 28 is an image processing unit, 29 is a display control unit, 30 is an input/output control unit, 31 is a floppy disk, 32 is a hard disk, 33 is a display , 34 represent a keyboard.

In this host cooperation system, when the present invention is implemented, item settings and data settings in the management file are performed as shown in the explanatory diagram of preset items and management file contents in FIG.

First, A. in Figure 3 shows items to be selected or set in advance before operating the system.
are the setup items for the system itself, and a. selects whether or not to automatically start a program at IPL, b. selects whether to perform automatic logon startup when the program starts, and c. After logging on,
Select whether or not to automatically start maintenance;
will be held.

Next, d. to f. are the setup items for the maintenance function, d. is the selection of resources to perform maintenance on the terminal, e. is the selection of resources for automatic maintenance, and f. is to perform maintenance. It consists of each item for setting the designated date and time (corresponding to the set date and time in FIG. 1).

Among the above items, items a. to c. are retained as system management data of the terminal, and maintenance-related items d. to f. are written and retained in the terminal management file. be done. Its contents are used when performing actual maintenance. The management file is stored in the floppy disk 31 or hard disk 32 in the terminal 23, and written to the memory (27 in FIG. 2) during IPL.

Next, the contents stored in the management file are shown in Figure 3.
It is shown in B. and is as follows.

1 Number of registered resources (number of registered resources subject to maintenance) 2 Resource name (including cases where there are multiple resources) 3 Generation of current resource (corresponding to each resource) 4 Success or failure of automatic maintenance (whether to perform automatic maintenance) 5. Whether or not the due date is specified and the specified date and time 6. Normally completed maintenance date and time When each item is selected or set and stored in the management file as described above, maintenance control processing is executed at the terminal shown in Figure 2. be done.

FIG. 4 is a processing flow diagram of the embodiment.

In this case, first set the maintenance programs for selection items a. to c. in FIG. 3A so that they are automatically started at the time of IPL startup.

First, a program is started by IPL startup, a logon is started, and the host device is accessed.
Next, the maintenance program starts (steps 40 to 42). Next, check the management file (1. of B. in Figure 3) to see if there are maintenance resources (step 43), and if there are no maintenance resources, exit the program,
If so, the management file (B.5 in Figure 3) is checked to determine whether or not a due date has been specified for the resource with automatic maintenance (step 44).

If there is no date and time specified, proceed to step 47 described later, and if there is, enter the current date and time (obtained from the hardware timer maintained by the system) and the normally completed maintenance date and time from the management file (6 in Figure 3 B). The comparison is made to determine whether the former is greater (the date and time have passed), and if not, it is assumed that they are the same day and the maintenance is terminated without performing maintenance. If it is determined that the date and time have passed,
Next, specify the date and time from the management file (5 in Figure 3 B.)
and determines whether the specified date and time satisfies the conditions that it is after the normal end date and time and before the current date and time (step
46).

If the above conditions are satisfied, the maintenance resource name and the current resource generation (2. and 3. in Figure 3 B.)
is used to list the latest generation resources (search for the latest resources) for the host (step 47).

Next, when the latest generation is listed from the host, the resource information is downloaded and the generation is updated (step 48). Next, when the own resource is successfully maintained to the latest generation, the generation of the current resource is rewritten in the management file, and the end maintenance date and time (current date and time) is written. If the maintenance operation ends abnormally, it ends without writing the end maintenance date and time. Next, regarding the determination of the setting date and time (specified date and time) described in the process flow above,
This will be explained using a time relationship explanatory diagram according to a specific example of the present invention shown in FIG.

FIG. 5A shows two examples of date and time settings; the first example shows the date and time specified.
10:00 a.m. on the day (10 a.m. on the 7th of every month), and the latter example specifies only the time to indicate 13:00 (13:00 every day). The numeral 1 following this column of set dates and times represents the designated date and time (the date and time on the calendar that corresponds to the set date and time) at which maintenance is permitted to be performed after each set date and time is set.

FIG. 5B shows the progress of dates and times, and indicates that there are dates and times shown in the 1st to 3rd designated dates and times shown in A. For each date and time having a time position such as B., the relationship between the previous normal end date and time (the date and time when maintenance was normally completed) and the startup date and time is shown in FIG. 5C.

FIG. 5C shows that if the previous normal end date is at the time of , maintenance will always start automatically no matter when the terminal is started up at the current time. That is, the maintenance has been successfully executed at this point, and the generation of the terminal's resources has not been changed since then, so automatic startup of the maintenance is allowed at any time after the first specified date and time.

Next, when the previous normal end date and time is , the maintenance operation is executed since this is the first specified date and time, so the generation of the resource is the latest one at this time. Therefore, even if the terminal starts up at the current time of , which is before the next second specified date and time, the automatic maintenance start-up will not be executed. In this case, maintenance is automatically started at the time. Hereinafter, for each case where the previous normal end date and time is . . . , the current time for automatic activation and the current time for which automatic activation is not performed are as shown in the figure.

[Effects of the Invention] According to the present invention, even if a plurality of terminals start up at the same time, the timing for automatically accessing the host device can be automatically started by specifying a different setting time for each terminal in advance. It is possible to prevent an increase in overhead on the host device due to Furthermore, in the case of resources whose latest information is registered in the host device only once a month, the host device will not be accessed every day even if they are automatically started, and overhead can be reduced.

[Brief explanation of the drawing]

Figure 1 is a diagram showing the basic configuration of the present invention, Figure 2 is a diagram showing the configuration of a host cooperation system in which the present invention is implemented, Figure 3 is a diagram explaining the contents of preset items and management files, and Figure 4 is a diagram showing the contents of the management file. FIG. 5 is an explanatory diagram of time relations according to a specific example of the present invention, and FIG. 6 is an explanatory diagram of a conventional example. In FIG. 1, 10...host device, 11...terminal, 12...logon section, 13...maintenance control section, 131...mode determination means, 132...
Setting date and time condition determining means, 133... Downloading means, 134... Normal end date and time setting means, 14...
...Management data, 15...Clock means.

Claims (1)

[Claims] In an access control method in a host cooperation system in which a plurality of terminals are connected to a host device equipped with resources managed by one generation, each terminal 11 accesses the host device 1 at the time of program startup.
Logon unit 12 that executes logon to 0
, a maintenance control unit 13 that controls downloading of host resources after logon, and management data 14 that includes a maintenance setting mode, a setting date and time indicating the day or time when maintenance should be performed, and a normal end date and time of maintenance. The maintenance control unit 13 includes: a mode determining means 131 which determines the setting mode of maintenance when activated; and a mode determining means 131 which is activated when in automatic mode and is activated when the current date and time of the clock means 15 corresponds to the set date and time and the normal end date and time. A setting date and time condition determining means 132 that determines whether a condition is satisfied; a downloading means 133 that is activated to execute a download when the condition is satisfied; and a normal end date and time setting means 134 that is activated when the download is normally completed. An access control method in a host cooperation system comprising: