JPH087726B2 - Health check method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] In the present invention, a communication management program on a host computer transmits specific monitoring data to a communication control program on a communication processing device, and the communication control program converts the monitoring data to monitoring data. The present invention relates to a health check method for monitoring a communication control program and an operating state by receiving response data.

[Conventional technology]

Conventionally, in this type of health check method, a communication management program on a host computer and a communication control program on communication processing send and receive specific monitoring data and response data to this monitoring data at fixed time intervals to communicate with each other. When the management program does not receive the response data within a certain time from the transmission of the monitoring data, it is immediately regarded as the health check timeout occurrence and the communication control program failure occurs.

In addition, in a more advanced type of health check method, even if the communication management program does not receive response data within a certain period of time after sending audit data, it does not immediately generate a health check timeout Is checked and some data is 1 between the sending of the monitoring data and the occurrence of the response data reception timeout.
If it is received even once, it is determined that the communication control program is operating normally, and it is considered that the health check time-out has occurred and the failure has occurred in the communication control program only when the data has not been received even once.

[Problems to be Solved by the Invention]

In the conventional health check method described above, in the case of the former method, if the response data is not received within a certain time from the transmission of the monitoring data, it is considered that the health check time-out has occurred immediately. The control program itself is operating normally and data between application programs (hereinafter referred to as application data)
Although it is possible to send and receive messages, even if the load on the online system increases and the response data cannot be returned within a certain period of time, it is considered that the communication control program has failed.

In the case of the latter method, it was determined that the communication control program was operating normally if any data was received at least once between the transmission of the audit data and the occurrence of the response data reception timeout. Therefore, even if there is a failure such that the communication control program cannot send and receive application data at all and the actual communication environment provided by the online system is alienated, control data other than response data or maintenance information If the data for collection is transmitted and received, there is a drawback that the failure occurrence of the communication control program cannot be detected permanently and the normal operation cannot be restored early.

In view of the above points, an object of the present invention is to prevent the communication control program on the communication processing device from being illegally regarded as a failure even when the online system is under heavy load, and to generate an abnormality that prevents application data from being transmitted or received at all. Occasionally, it is to provide a health check method capable of detecting the occurrence of a failure in a communication control program and promptly.

[Means for Solving the Problems] In the health check method of the present invention, the communication management program on the host computer transmits specific monitoring data to the communication control program on the communication processing device, and the communication control program sends the monitoring data to the monitoring data. In the health check method that monitors the operating status of the communication control program by receiving the response data, the communication management program identifies all the data received from the communication control program into control data and application data, and manages the number of receptions. The transmission / reception data management means, which inquires the transmission / reception data management means of the number of times of reception of application data between the transmission of the monitoring data and the occurrence of the response data reception timeout, and notifies that the health check timeout has not occurred if at least one inquiry is received. And receive it even once If not, the health check timeout detection means for notifying that a health check timeout has occurred, and when a response data reception timeout occurs, the health check timeout detection means receives a notification as to whether or not a health check timeout has occurred It has a health check command managing means for starting waiting for transmission of monitoring data and activating fault processing if a health check timeout occurs.

[Action]

In the health check method of the present invention, the transmission / reception data management means manages the number of receptions by distinguishing all the data received from the communication control program into control data and application data, and the health check timeout detection means transmits the monitoring data. From the response data reception timeout to the transmission / reception data management means, the transmission / reception data management means is inquired, and if at least one is received, it is notified that the health check timeout has not occurred, and if not received, the health check timeout occurs. If the health check command management means receives a notification from the health check timeout detection means when the response data reception timeout occurs and the health check timeout does not occur, the next monitoring data If you start the transmission waiting a health check-out occurs to start a fault processing.

〔Example〕

Next, the present invention will be described in detail with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of a health check system according to an embodiment of the present invention. The health check method of this embodiment is mainly composed of a communication management program 7 operating on the host computer 8 and a communication control program 9 operating on the communication processing device 10.

The communication management program 7 manages all the data received from the communication control program 9 and transmits / receives the monitoring data 5 and the transmission / reception data management means 1 which stores the number of times of reception for each data type in the reception data management table 4. The health check command managing means 2 for monitoring the response data 6 for the monitoring data 5 and the monitoring data 5 started by the health check command managing means 2 when the response data 6 for the monitoring data 5 is not received within a fixed time.
Check the application data reception status from the transmission of the message to the response data reception monitoring timeout, and if it has received at least once, it is operating normally. If it has not received it at all, a health check timeout occurs and a health check timeout occurs. The detection means 3 is included.

Referring to FIG. 2, the processing in the transmission / reception data management means 1 includes a processing determination step 101, a data reception number counting step 102, and an application data reception number acquisition step 103.

Referring to FIG. 3, the processing in the health check command management means 2 is the processing stage selection step 201.
An application data reception count acquisition and storage step 202, a monitoring data transmission step 203, a response data reception waiting timer starting step 204, a next monitoring data transmission waiting timer starting step 205, and a health check timeout occurrence inquiry step 206. And a health check timeout occurrence determination step 207 and a failure processing start step 208.

Referring to FIG. 4, the processing in the health check timeout detecting means 3 is as follows: application data reception number acquisition step 301, application data reception number proportional step 302, health check timeout non-occurrence notification step 303, and health check timeout occurrence notification. Step 304 and.

Referring to FIG. 5, the received data management table 4 is
The data link level control data reception count 401, application data reception count 402, and other data reception count 403 are included.

Referring to FIG. 6, the monitoring data 5 is composed of a non-application data instruction 501, a monitoring command instruction 502, and information 503.

Referring to FIG. 7, the response data 6 is composed of a non-application data instruction 601 and a response instruction 602 to the monitoring command.

The non-application data instruction 501 in the monitoring data 5 and the non-application data instruction 601 in the response data 6 have the same format and are used to determine the data type.

Next, the operation of the health check method of this embodiment configured as described above will be described.

When the communication control program 9 is activated (started up) on the communication processing device 10, and when the next monitoring data transmission waiting timer described later times out, the communication management program 7 on the host computer 8 Then, the health check command management means 2 selects a processing stage (step 201) and, since it is the start or restart processing stage, requests the transmission / reception data management means 1 the application data reception count 402 (step 202).

The transmission / reception data management means 1 determines the processing (step 101), and since it is the application data reception frequency request processing, the application data reception frequency 402 on the reception data management table 4 is acquired and the health check command management means 2 is acquired. (Step 103).

The health check command management means 2 stores the application data reception count 402 notified from the transmission / reception data management means 1 (step 202), transmits the monitoring data 5 to the communication control program 9 (step 203), and returns the response data. A reception waiting timer (not shown) is started (step 204).

Further, when the data is received from the communication control program 9, the transmission / reception data management means 1 is in the data reception process (step 101). Therefore, the reception data type is identified and the corresponding counter on the reception data management table 4 is identified. The area is increased by "1" (step 102). More specifically, the transmission / reception data management means 1 uses the data link level control data reception count 401 when the reception data is the data link level control data, the application data reception count 402 when the reception data is the application data, and the other data when the reception data is the other data. For each of the other data receiving circuits 403, "1" is added.

When the response data 6 for the monitoring data 5 is returned from the communication control program 9 before the response data reception waiting timer times out, the health check command managing means 2 is in the response data reception processing stage (step 201). A next monitoring data transmission waiting timer (not shown) is started (step 205).

If the response data reception waiting timer times out before the corresponding data 6 corresponding to the monitoring data 5 is returned from the communication control program 9, the health check command management means 2 is in the response data reception timeout processing stage (step 201). Inquires about the occurrence of a health check timeout to the health check timeout detecting means 3 (step 206).

The health check timeout detection means 3 is a step
In the same manner as described in 202, the current application data reception count 402 is acquired from the transmission / reception data management receiving stage 1 (step 301), and step 2 is executed when the monitoring data 5 is transmitted.
In 02, it is compared with the application data reception count 402 stored by the health check command management means 2 (step 302). Both application data received 4 times
If 02 is the same value, it means that no application data has been received between the transmission of the monitoring data 5 and the occurrence of the response data reception timeout. Therefore, the health check timeout detection means 3 indicates “health check timeout”. Information for instructing "occurrence" is notified to the health check command management means 2 (step 304). On the other hand, if the current application data reception count 402 is larger than the stored application data reception count 402, at least one application data is received between the transmission of the monitoring data 5 and the response data reception timeout. Therefore, the health check timeout detecting means 3 notifies the health check command managing means 2 of information instructing "no health check timeout occurs" (step 303).

The health check command management means 3 determines whether or not a health check timeout has occurred based on the notification from the health check timeout detection means 3 (step 20).
7) If it is determined that the health check time-out has occurred, it is determined that a failure has occurred in the communication control program 9, and failure processing is started (step 208). If it is determined that the health check timeout has occurred, the health check command management means 2 activates the next monitoring data transmission waiting timer (step 205).

〔The invention's effect〕

As described above, according to the present invention, the communication management program on the host computer is provided with the transmission / reception data management means, the health check command management means, and the health check timeout detection means. Although it is possible to send and receive messages, even if the online system load increases and response data cannot be returned within a certain period of time, it is assumed that the communication control program is operating normally and there will be no improper failure. effective.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a health check system according to an embodiment of the present invention, FIG. 2 is a flow chart showing detailed processing of transmission / reception data management means in FIG. 1, and FIG. 3 is FIG. FIG. 4 is a flow chart showing the detailed processing of the health check command management means in FIG. 4, FIG. 4 is a flow chart showing the detailed processing of the health check timeout detection means in FIG. 1, and FIG. 5 is the received data management table in FIG. FIG. 6 is a diagram showing the detailed format of the monitoring data in FIG. 1, FIG. 6 is a diagram showing the detailed format of the monitoring data in FIG. 1, and FIG. 7 is a diagram showing the detailed format of the response data in FIG. In the figure, 1 ... Send / receive data managing means, 2 ... Health check command managing means, 3 ... Health check timeout detecting means, 4 ... Received data management table, 5 ... Monitoring data, 6 ... Response data, 7 ... Communication management program, 8 ... Host computer, 9 ... Communication control program, 10 ... Communication processing device, 401 ... Data link level control data reception count, 402 ... Application data reception count, 403 ... Others Data reception number, 501 ... Non-application data instruction, 502 ... Monitoring command instruction, 503 ... Information, 601 ... Non-application data instruction, 602 ... Response instruction to monitoring command.

Claims (1)

[Claims] 1. An operation of a communication control program by transmitting a specific monitoring data to a communication control program on a communication processing device by a communication management program on a host computer and receiving response data for the monitoring data from the communication control program. In the health check method for monitoring the state, the communication management program identifies all the data received from the communication control program into control data and application data, and manages the number of times of reception, and the transmission of monitoring data. From the response data reception timeout to the transmission / reception data management means, the transmission / reception data management means is inquired, and if at least one is received, it is notified that the health check timeout has not occurred, and if not received, the health check timeout is received. Outbreak and communication Health check timeout detection means, and when the response data reception timeout occurs, the health check timeout detection means receives a notification as to whether a health check timeout has occurred, and if the health check timeout does not occur, waits for the next monitoring data to be sent. A health check method comprising: a health check command management means for activating failure processing if a health check timeout occurs.