JPS63174153A - General virtual terminal control system - Google Patents

Abstract

PURPOSE:To manage a virtual terminal control table without using an unnecessary resource by equally setting the number of the virtual terminal control tables to the maximum number of terminals connected to an on-line job and simultaneously operating for every connection request from a general terminal. CONSTITUTION:An establishment control means 6 informs an obtaining means 7 to the connection request from the general terminal 3. The means 7 obtains the virtual terminal control table 11 which is pooled in a virtual terminal control table pool 10 and is not used. Then, it is linked to the virtual terminal control table 9 corresponding to the connection requesting terminal 3 and applies to the means 6. The means 6 informs the establishment request of a session to the on-line job 14 based on this virtual terminal control table. An open control means 12 informs the open request of the session to the job 14 to the open request from the terminal 3. A return means 13 returns the table 11 obtained by cutting the like with the table 9 corresponding to the open request original terminal 3 to the pool 10.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a general-purpose virtual terminal control method for data communication between a general-purpose terminal and an online job.

In particular, the present invention relates to a general-purpose virtual terminal control method that manages a pool of virtual terminal control tables that associate general-purpose terminals with virtual terminals.

〔overview〕

In a general-purpose virtual terminal control method for data communication between a general-purpose terminal and an online job, the present invention allocates a virtual terminal control table that is linked to a general-purpose terminal control table for each connection request from a general-purpose terminal. By setting the number of terminal control tables equal to the number of terminals connected to online jobs and operating simultaneously, rather than the number of implemented terminals, virtual terminal control tables can be managed without using unnecessary device resources. It is something.

[Conventional technology]

Conventionally, the correspondence between a general-purpose terminal and a virtual terminal, which is a logical terminal that an application program is aware of, can be obtained by specifying the corresponding general-purpose terminal when setting the virtual terminal environment.
General-purpose terminals and virtual terminals were in one-to-one correspondence.

[Problem that the invention seeks to solve]

However, with this conventional general-purpose virtual terminal control method,
Since a virtual terminal control table corresponding to all general-purpose terminals connected to an online job of a host computer is permanently required, there is a drawback that unnecessary device resources are used.

The present invention solves the above-mentioned drawbacks, and aims to provide a general-purpose virtual terminal control method that can manage a pool of virtual terminal control tables without using unnecessary device resources.

[Means for solving problems]

The present invention provides a general-purpose virtual terminal control method that performs data transfer processing between a plurality of general-purpose terminals and an online job.
a virtual terminal control table Boolean, pool creation means for pooling virtual terminal control tables of a number smaller than the number of corresponding general-purpose terminals that can perform data communication simultaneously with the above-mentioned online jobs in this virtual terminal control table Boolean; an establishment management means for notifying the online job of a session establishment request in response to a connection request, and acquiring an unused virtual terminal control table pooled in the virtual terminal control table pool upon receiving notification from the establishment management means; After linking with the general-purpose terminal table corresponding to the general-purpose terminal that generated the above-mentioned connection request, the acquisition means is given to the establishment management means, and in response to the release request from the above-mentioned general-purpose terminal, the above-mentioned online job is notified of a session release request. Returning the acquired virtual terminal control table to the virtual terminal control table Boolean after cutting the link between the release management means and the general-purpose terminal control table corresponding to the general-purpose terminal that received the notification from the release management means and issued the above-mentioned release request. It is characterized by being equipped with a return means.

[For production]

The pool creation means pools virtual terminal control tables in a virtual terminal control table boolean, the number of which can perform data communication simultaneously with fewer online jobs than the corresponding general-purpose terminal.

In response to a connection request from a general-purpose terminal, the establishment management means notifies the acquisition means of this fact. The acquisition means acquires the unused virtual terminal control table pooled in the virtual terminal control table boolean, links it with the general-purpose terminal control table corresponding to the general-purpose terminal that has made the connection request, and then provides it to the establishment management means. The establishment management means notifies a session establishment request based on this virtual terminal control table.

In response to the release request from the general-purpose terminal, the release management means notifies the online job of the session release request. Further, the return means that has received the notification from the release management means returns the obtained virtual terminal control table to the virtual terminal control table boolean after cutting the link with the general-purpose terminal control table corresponding to the general-purpose terminal that has requested the release. With the above operations, the virtual terminal control table can be managed without using unnecessary device resources.

〔Example〕

Embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram of a general-purpose virtual terminal control device according to an embodiment of the present invention. In FIG. 1, the general-purpose virtual terminal control device includes a virtual terminal definition file 1, virtual terminal control table pool creation means 2, a general-purpose terminal 3, a communication port vA4, and a host computer 5. The host computer 5 includes an establishment management means 6 that receives a connection request from the general-purpose terminal 3 to the host computer 5 via the communication line 4 and establishes a session, and a virtual machine that is connected to the establishment management means 6 and acquires a virtual terminal control table. Terminal control table acquisition means 7, control table pool 8 connected to virtual terminal control table acquisition means 7, and release management for releasing sessions when a release request is input from general-purpose terminal 3 to host computer 5 via communication line 4. means 12, virtual terminal control table return means 13 connected to the release management means 12 and control table pool 8 for returning the acquired virtual terminal control table, and connected to the establishment management means 6 and release management means 12 for establishing a session. and an online job 14 that executes the release.

The operation of the general-purpose virtual terminal control device having such a configuration will be explained. FIG. 2 is a flowchart of the virtual terminal control table pool creation means of the general-purpose virtual terminal control device of the present invention. FIG. 3 is a flowchart of the establishment management means of the general-purpose virtual terminal control device of the present invention. FIG. 4 is a flowchart of the virtual terminal control table acquisition means of the general-purpose virtual terminal control device of the present invention. FIG. 5 is a flowchart of the release management means of the general-purpose virtual terminal control device of the present invention.

FIG. 6 is a flowchart of the virtual terminal control table return means of the general-purpose virtual terminal control device of the present invention.

In FIG. 1, the user defines in a virtual terminal definition file 1 the maximum number of virtual terminals that can simultaneously perform online jobs and data communication without being aware of the corresponding general-purpose terminal 3 when setting the virtual terminal environment.

After that, when the virtual terminal control table pool creation means 2 is activated, it reads the virtual terminal information from the virtual terminal definition file 1 (■) as shown in FIG. A virtual terminal control table pool 10, which is a collection of virtual terminal control tables 1), is created (■).

When a connection request is made from the general-purpose terminal 3 to the host computer 5 via the communication line 4, the establishment management means 6 is notified. As shown in FIG. 3, the establishment management means 6 calls the virtual terminal control table acquisition means 7 (■).

The virtual terminal control table acquisition means 7 acquires the general-purpose terminal control table 9 corresponding to the general-purpose terminal 3 that has made a connection request, as shown in FIG. One virtual terminal control table 1) is removed from the virtual terminal control table pool 10, which is a collection of tables 1), and a virtual terminal control table 1) is obtained (■).

Furthermore, information indicating the area of the virtual terminal control table 1) is set in the general-purpose terminal control table 9, and information indicating the area of the general-purpose terminal control table 9 is set in the virtual terminal control table 1), and the general-purpose terminal Link with control table 1) (■). After this, the virtual terminal control table 1) linked to the establishment management means 6 is notified (■
). Next, in FIG. 3, the establishment management means 6 notifies the online job 14 of a session establishment request based on the virtual terminal control table 1) acquired from the virtual terminal control table acquisition means 7 (■).

The online job 14 completes the connection request from the general-purpose terminal 3 to the online job 14 by executing the session establishment.

When a release request is made from the general-purpose terminal 3 to the host computer 5 via the communication port 94, the release management means 12 is notified. As shown in FIG. 5, the release management means 12 obtains the virtual terminal control table 1) corresponding to the general-purpose terminal 3 for which the release request has been made by following the link in the general-purpose terminal control table 9 (■).

Based on the obtained virtual terminal control table 1), online zip 14 notifies the session release request (1).
0). The online job 14 executes session release. Thereafter, the release management means 12 calls the virtual terminal control table return means 13 (■).

The virtual terminal control table return means 13 returns the general-purpose terminal control table 9 and the virtual terminal control table 1 as shown in FIG.
) and their respective link setting areas, the general terminal control table 9 and virtual terminal control table 1)
0), and its virtual terminal control table 1
) is returned to the virtual terminal control table pool 10 (0).

Online job 1 from general-purpose terminal 3 is executed by the above operation.
The release request to 4 is completed.

〔Effect of the invention〕

As explained above, in the present invention, a virtual terminal control table is allocated for each connection request from a general-purpose terminal, and the number of virtual terminal control tables is determined not by the number of installed terminals, but by the maximum number of terminals connected to an online job and operating simultaneously. By setting the number equal to the number, there is an excellent effect that the virtual terminal control table pool can be managed without using unnecessary device resources.

Therefore, there is an advantage that the device resources are spared and the throughput of the entire device is improved.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a general-purpose virtual terminal control device according to an embodiment of the present invention. FIG. 2 is a flowchart of the virtual terminal control table creation means of the general-purpose virtual terminal control device of the present invention. FIG. 3 is a flowchart of the establishment management means of the general-purpose virtual terminal control device of the present invention. FIG. 4 is a flowchart of the virtual terminal control table acquisition means of the general-purpose virtual terminal control device of the present invention. FIG. 5 is a flowchart of the release management means of the general-purpose virtual terminal control device of the present invention. FIG. 6 is a flowchart of the virtual terminal control table return means of the general-purpose virtual terminal side '4TA device of the present invention. 1... Virtual terminal definition file, 2... Virtual terminal control table pool creation means, 3... General purpose terminal, 4...
communication line, 5... host computer, 6... establishment management means, 7... virtual terminal control table acquisition means, 8
... Control table pool, 9... General-purpose terminal control table, 10... Virtual terminal control table pool, 1).
...Virtual terminal control table, 12...Release management means,
13... Virtual terminal control table return means, 14...
online jobs. Patent applicant NEC Corporation, 5, agent patent attorney Nao Takashi Ide Pa! -ノM 2 Is the diagram large an example of 4-stage circulation? I'i3 Eno 4 Figure

Claims (1)

[Claims] (1) In a general-purpose virtual terminal control method that performs data transfer processing between multiple general-purpose terminals and online jobs, data communication can be performed simultaneously with the virtual terminal control table pool and the online jobs that are fewer than the number of corresponding general-purpose terminals. pool creation means for pooling a number of virtual terminal control tables into the virtual terminal control table pool; establishment management means for notifying the online job of a session establishment request in response to a connection request from the general-purpose terminal; After receiving the notification from the means and acquiring the unused virtual terminal control table pooled in the virtual terminal control table pool and linking it with the general-purpose terminal table corresponding to the general-purpose terminal that generated the connection request, the establishment management means a release management means that notifies the online job of a session release request in response to a release request from the general-purpose terminal; and a release management means that corresponds to the general-purpose terminal that received the notification from the release management means and generated the release request. A general-purpose virtual terminal control method, comprising: a return means for returning the virtual terminal control table acquired after cutting the link with the general-purpose terminal control table to the virtual terminal control table pool.