KR20010083749A - Performance state checking method of bmd in communication system - Google Patents

Abstract

PURPOSE: A method for checking run state of a BMD in a communication system is provided to perform charging data file transmission function of the BMD continuously by logging a history at a charge data file of the BMD and removing at a fixed period. CONSTITUTION: A software of a BMD(Billing Mediation Device) calls a log procedure for logging a history(S1). The called log procedure determines whether the execution program uses the history(S2). The current time information is determined(S3). A procedure for deciding a file name is called and the file name for logging the history from the current time information(S4). The current time information is inserted into the front part of the history information to be logged(S5). It is judged whether a file having the decided name is opened(S6). The history information having the inserted current time is logged in the affected file(S7). The opened file is closed(S8). In case that the file opening is failed, normal file restoration function is performed(S9). The failure content is outputted with the history information to a standard output port(S10).

Description

Method of checking the performance status of BMD in communication system {PERFORMANCE STATE CHECKING METHOD OF BMD IN COMMUNICATION SYSTEM}

The present invention relates to a method of checking a performance status of a BMD in a communication system. In particular, the history is recorded and stored in a billing data file of a BMD transmitted to a centralized billing center, and then deleted at regular intervals. The present invention relates to a method for checking the performance of a BMD in a communication system.

In general, the BMD (Billing Mediation Device) in the exchange system of the mobile communication system performs a function of transmitting a billing data file to the HC for a centralized automatic message account (CAMA) function. That is, the communication system for transmitting the billing data file includes a BMD 20-A, B for generating a billing data file of the subscriber transmitted through the switch 10, as shown in FIG. HC 30 is provided for collecting billing data files inputted from -A and B) and calculating billing data details for each subscriber.

On the other hand, the conventional communication system as described above CDR (call detail record) generated in the exchange 10 and stored in the OMP (Operation & Maintenance Processor) disk 11 CDR (charge data control block of the exchange 10) Charging Data Record (BMD) 12 reads the billing data file stored on disk 11 for CAMA function and operates BMD 20-A which is active by using Inter Processor Communication (IPC), which is an internal communication method of exchange. Is transmitted to the control block 22.

Then, in the control block 22 of the BMD 20-A which is active, the information necessary for transmission is inserted into the received billing data file, stored in the disk 21 of its own, and then HC (Host Collector; In order to transmit the billing data file to the " HC " (30), information on the billing data file is obtained.

Subsequently, in the control block 22 of the BMD 20-A that is active, the charging data file stored in the disk 21 is transferred to the HC 30 using FTAM (File Transfer Access and Management), and the charging data is transferred. Information about the file is transmitted to the HC 30 using TCP / IP (Transmission Control Protocol / Internet Protocol).

At this time, if the BMD 20-B operating in standby is normal, the billing data file transmitted to the HC 30 using the FTAM in the control block 22 in the active BMD 20-A. Is transmitted to the BMD 20-B operating in standby mode.

As described above, the BMD 20 is duplicated as a workstation, and the same software package is applied to each other to transfer the billing data file.

The software package of the BMD 20 performs the following functions, and is implemented as one control block.

CFS: Receives billing data file from exchange, inserts header and trailer, and saves to BMD's disk.

CFT: OSI-FTAM is used to transfer the billing data file stored on the BMD's disk to the HC and the BMD that is active.

CMH: Sends status information of BMD to HC using TCP / IP.

SDH: Manages the state of software running on BMD.

DCM: Manages a channel for redundancy between BMDs.

MTR: Processes a signal in BMD.

GCA: Performs the graphic display processing function in the BMD.

GCB: Performs the function of processing billing data file information graphically.

BSH: Processes statistics in BMD.

The BMD 20 may perform the basic functions of storing and transmitting a billing data file, a BMD state, and duplication, etc. only when the control block presented above, that is, the process operates normally.

However, in the conventional communication system as described above, a case in which a control block of the BMD is abnormally malfunctioned or aborted and cannot provide various functions of the BMD can often occur, in which case the cause cannot be immediately determined. There was a problem.

In addition, since the control block in the BMD is packaged, in most cases, it is not possible to know in which step, even if a problem occurs.

Accordingly, the present invention has been made to solve the above problems, by recording and storing the history in the billing data file of the BMD to be sent to the centralized billing center, and then delete it at regular intervals, the billing data file transfer function of the BMD continuously It is an object of the present invention to provide a method for checking a state of execution of a BMD in a communication system.

1 is a block diagram of a communication system for transmitting a billing data file;

2 is a flowchart illustrating a method of checking a performance state of a BMD in a communication system according to the present invention.

<Description of the symbols for the main parts of the drawings>

10: exchange 11, 21, 32: disk

12: CDR 20-A, B: BMD

22,31: Software Block

The present invention for achieving the above object

When recording the history information, the software that uses the history as the software in the BMD calls the recording procedure with the software identifier and the history information as input parameters, so that the recording procedure examines the current time information and determines the file name. Call to determine a file name for recording the history from the software identifier and the current time information investigated, and then record the current time information investigated in front of the history information, and then open the file with the determined file name. If the current time is inserted, record the history information, and when deleting the history information, CMH in the BMD calls the delete procedure every certain time, and the delete procedure obtains the current time and the save cycle, and saves the current time and the save cycle. If you delete all files except files Characterized in that.

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

First, referring to Fig. 1, a system to which the method of the present invention is applied, BMDs 20-A and B for generating a billing data file of a subscriber transmitted through an exchange 10, and the BMD 20-A. HC (30) is provided to collect the billing data file input from, B) to calculate billing data for each subscriber.

In the exchange 10, a call detail record (CDR) is collected and stored in an operation & maintenance processor (OMP) disk 11, and a CDR (charging data) which is a control block for controlling the charging data processing function of the exchange 10 is stored. Record 12 is provided. In addition, the BMD 20 -A is provided with a control block 22 for reading the billing data file stored in the disk 11 for the CAMA function and transmitting the read data file to the HC 30 through IPC (Inter Processor Communication).

Next, the method of the present invention applied to the above communication system will be described.

First, in the present invention to implement a library for history management in the BMD, there are three procedures provided in the history management library as follows.

pd_BGSLwriteLog: Writes the history requested by the software to the specified file.

pd_BGSLdeletLog: Deletes a history file that exceeds the specified history storage period.

pd_BGSLmakeName: Determines the file name by software type and current time.

In the present invention, a recording procedure (pd_BGSLwriteLog) for recording the history determines the software type from the software separator and records the history in the designated file. At this time, the current time is added to the front of each history.

In addition, the file in which the history is recorded is separately configured according to the software type, and the file name is configured by date, so that the history file can be easily searched or deleted.

Here, the software identifier is a specific ID (IDentifier) assigned to the various software operating in the BMD, has a value from 6000 to 6999.

The file name where the history is recorded is configured as [Block name + month + day + ".log"], where the block name is a three-digit alphabetic block name in the BMD, and the two-month 'month' and The two-digit 'day' is the time information currently investigated.

Referring to the operational flow diagram of the BMD in the communication system according to the present invention with reference to the operation flow chart of FIG.

First, proceed to the recording procedure call step (S1) in the initial state and call the recording procedure (pd_BGSLwriteLog) for recording the history using the software identifier assigned to itself in the software in the BMD and the history information of the ACCII type to be recorded as an input parameter. do. After the recording procedure call step S1, the recording procedure pd_BGSLwriteLog called by executing the execution program type determination step S2 is an execution program in which the execution program calling itself from the execution program identifier is defined in the BMD. Determine if the program uses history.

As a result of the determination in the execution program type determination step (S2), if the execution program calling the procedure is an execution program defined in the BMD and uses a history, the process proceeds to the current time checking step (S3) and the current time information. Judge. After the current time checking step S3, the process proceeds to a file name checking step S4, and the procedure pd_BGSLmakeName for determining the file name is called, and the program separator and the current time information checked in the current time checking step S3. Determine the file name for recording the history from.

Then, after the file name checking step S4, the process proceeds to the history information recording step S5, and the current time information checked by the current time checking step S3 at the front of the history information is month: day: hour: minute. Record in seconds.

On the other hand, after the history information recording step (S5) proceeds to the file open determination step (S6) to determine whether the file having the file name determined in the file name confirmation step (S4) is open (Open), and the determination result file is opened If so, proceed to the history information file recording step (S7) to move to the end of the opened file, record the history information with the current time inserted in the file, and then proceed to the file closing step (S8) to close the opened file. )

At this time, as a result of the determination during the file open determination step S6, if the file open fails, the process proceeds to the file processing step S9 to perform a normal file recovery function.

For example, if the system fails to open a file, the file may not exist, the disk may be insufficient, or there are too many files open. If not, the corresponding file is generated. Otherwise, the file whose history is recorded is continuously generated and the number thereof is increased, so that the file is periodically deleted in the file processing step S9.

On the other hand, if the program calling the procedure is a program defined in the BMD and is not a program that uses the history as a result of the determination in the execution program type determination step (S2), or if the file open fails during the file processing step (S9). Proceed to the standard output structure output step (S10) to output the failure information with the history information to the standard output port (stdout).

The method of recording the history requested by the executing program in the designated file is as described above, and the method of deleting the history file is as follows.

That is, the CMH in the BMD, which is a control block that transmits and receives a TCP / IP message with the HC, calls the delete procedure pd_BGSLdeletLog, which deletes the history file that is out of the storage cycle every predetermined time (for example, 2 o'clock). (pd_BGSLdeletLog) obtains the current time and save period, and deletes all files except the file within the save period from the current time.

This is possible because the history file name consists of 'month' and 'day' information. The storage period is recorded as an attribute of the file in which the system parameter information is recorded and can be changed as a command.

As described above, the present invention manages the history of the execution status of the software in the BMD for transferring the billing data file to the HC through a procedure provided in the history management library, and then examines the execution status of the software in the BMD. Even if the abnormal operation or interruption of the BMD cannot provide the function of the BMD, the cause can be immediately identified, thereby enabling the BMD's billing data file transfer function to be continuously performed.

Claims (2)

When calling a recording procedure with the execution program identifier and history information as an input parameter in the execution program of the BMD, it is determined whether the execution program that calls the recording procedure from the program separator is a program using history as a program defined in the BMD. A first step of checking, and a second step of checking, by the recording procedure, the current time information, if the program calling the recording procedure in the first step is a program using history as a program defined in the BMD; After performing the step, the recording procedure calls the procedure to determine the file name to determine the file name for recording the history from the program identifier and the current time information identified in the second step, and after performing the third step A recording procedure is entered in the second step at the beginning of the historical information. In the fourth step of recording the current time information confirmed, and after performing the fourth step, the recording procedure opens a file having the file name determined in the third step to record the history information of the current time recorded in the fourth step. When the fifth step of closing the file after writing to the file, and the software that called the procedure in the first step is a program defined in the BMD is not a program that uses the history, or the file open failed in the fifth step A sixth step of outputting the failure information to the standard output port together with the history information; if the file fails to open in the fifth step, the file is created if the file does not exist; otherwise, the CMH in the BMD is The seventh step of calling the deletion procedure every predetermined time, and the deletion procedure called in the seventh step is the current time and the storage week. To obtain and how to perform the state of non-MD test in a communication system, characterized in that comprising the eighth step to remove all the rest of the files other than the file within a storage period from the current time. The method of claim 1, The file name determined in the third step is a block name that is a three-digit alphabetic software name in the BMD that called the recording procedure in the first step, and the month data that is two-digit time information examined in the second step. And daily data which is time information of two digits irradiated in the second step.