JP6818568B2 - Communication device, communication specification difference extraction method and communication specification difference extraction program - Google Patents

Description

The present invention relates to verification of communication specifications.

Patent Document 1 discloses an operation test device and an operation test method for performing an operation test of a general-purpose communication device. Further, Patent Document 2 discloses a test method for automatically performing a functional test on software of a mobile phone. Further, Patent Document 3 discloses a method of generating a failure cause determination rule used in a failure cause analysis system based on a past event log. Further, Patent Document 4 discloses a method of generating the contents related to the structure of the input program as a specification.

Japanese Unexamined Patent Publication No. 2010-21228 Japanese Unexamined Patent Publication No. 2003-099288 Japanese Unexamined Patent Publication No. 2011-209908 Japanese Unexamined Patent Publication No. 2010-176553

For a system composed of a plurality of devices, it is necessary to update the communication specification description of the communication specification to the latest state each time the communication specification such as the communication sequence is changed. If the update is neglected at that time, the specification definition and the content of the actual communication specification will deviate from each other, and the content of the communication specification cannot be referred to in later development. It takes a large amount of man-hours to follow the communication specifications that have once deviated to the latest state in a desk study. In addition, it is difficult to derive unintended specification changes only by desk examination.
The technique of Patent Document 1 can create a test scenario from specification data and execute an automatic test, but cannot extract and verify communication specifications.
The technology of Patent Document 2 can perform an automatic test that goes into the functional aspect of mobile phone software by creating a test scenario from the specification data, but it also extracts and verifies communication specifications. Can't.
The technique of Patent Document 3 can extract a warning event occurrence rule when a failure occurs from a warning event output by a server, but cannot extract and verify communication specifications.
The technique of Patent Document 4 can extract program structures such as differences in symbols and comments as differences, but cannot extract differences in program operations such as communication sequences. Moreover, it does not have a mechanism for generating specific communication.

As described above, in the conventional technology, there is a problem that the developer cannot efficiently judge whether or not the communication specifications defined in the communication specifications and the actual communication specifications match. ..

A main object of the present invention is to solve such a problem. More specifically, the present invention mainly enables the developer to efficiently determine whether or not the communication specifications defined in the communication specifications match the actual communication specifications. The purpose.

The communication device according to the present invention is
A communication unit that communicates with the communication destination device according to the definition communication specifications, which are the communication specifications defined in the communication specifications.
A communication log generation unit that generates a communication log of communication between the communication unit and the communication destination device,
An actual communication specification extraction unit that analyzes the communication log generated by the communication log generation unit and extracts the communication specifications generated in the communication between the communication unit and the communication destination device as the actual communication specifications.
It has a difference extraction unit that extracts the difference between the defined communication specification and the actual communication specification.

In the present invention, communication is performed with the communication destination device according to the defined communication specification, and the communication specification generated by the communication with the communication destination device is extracted as the actual communication specification. Then, the difference between the defined communication specification and the actual communication specification is extracted. Therefore, according to the present invention, the developer can efficiently determine whether or not the communication specifications defined in the communication specifications and the actual communication specifications match by analyzing the extracted differences. You can judge.

The figure which shows the functional configuration example of the communication specification verification apparatus which concerns on Embodiment 1. FIG. The flowchart which shows the whole operation of the communication specification verification apparatus which concerns on Embodiment 1. The flowchart which shows the detailed processing of the actual communication specification extraction processing which concerns on Embodiment 1. The figure which shows the hardware configuration example of the communication specification verification apparatus which concerns on Embodiment 1. FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description and drawings of the embodiments, those having the same reference numerals indicate the same parts or corresponding parts.

Embodiment 1.
*** Explanation of configuration ***
FIG. 1 shows an example of a functional configuration of the communication specification verification device 10 according to the present embodiment. Further, FIG. 4 shows a hardware configuration example of the communication specification verification device 10 according to the present embodiment.
As shown in FIG. 1, the communication specification verification device 10 is connected to the verification target device 30 and communicates with the verification target device 30. It is assumed that there are a plurality of verification target devices 30.
The communication specification verification device 10 corresponds to a communication device. The verification target device 30 corresponds to the communication destination device. Further, the operation performed by the communication specification verification device 10 corresponds to the communication specification difference extraction method and the communication specification difference extraction program.

First, the hardware configuration of the communication specification verification device 10 will be described with reference to FIG.

The communication specification verification device 10 is a computer.
The communication specification verification device 10 includes a processor 901, a storage device 902, a communication interface 903, and an input / output interface 904 as hardware.
The storage device 902 stores a program that realizes the functions of the verification scenario generation unit 11, the verification scenario execution unit 12, the actual communication specification extraction unit 13, the difference extraction unit 14, and the output unit 15 shown in FIG.
Then, the processor 901 executes these programs to operate the verification scenario generation unit 11, the verification scenario execution unit 12, the actual communication specification extraction unit 13, the difference extraction unit 14, and the output unit 15, which will be described later.
FIG. 1 schematically shows a state in which the processor 901 is executing a program that realizes the functions of the verification scenario generation unit 11, the verification scenario execution unit 12, the actual communication specification extraction unit 13, the difference extraction unit 14, and the output unit 15. Represents.
Further, the storage device 902 stores the communication specification 17, the verification scenario 18, the communication log 19, the actual communication specification 20, and the communication specification difference 21 shown in FIG.
The communication interface 903 is used when communicating with the verification target device 30.
The input / output interface 904 inputs an instruction from the user (developer) of the communication specification verification device 10 and presents various information to the user.

Next, the functional configuration of the communication specification verification device 10 will be described with reference to FIG.

The verification scenario generation unit 11 generates the verification scenario 18 from the communication specification 17. The communication specification 17 is data in which the communication specification is defined. The communication specification 17 is, for example, UML (Unified Modeling Language) data. The communication specifications defined in the communication specifications 17 are called definition communication specifications. The verification scenario 18 is data that describes the procedure necessary for actually communicating with the verification target device 30, which is developed from the defined communication specifications. In the verification scenario 18, for example, a command sequence corresponding to the defined communication specification is described.

The verification scenario execution unit 12 communicates with the verification target device 30 according to the verification scenario 18. In other words, the verification scenario execution unit 12 communicates with the verification target device 30 according to the defined communication specifications.
Further, the verification scenario execution unit 12 generates a communication log 19 for communication with the verification target device 30.
The verification scenario execution unit 12 corresponds to a communication unit and a communication log generation unit. Further, the processing performed by the verification scenario execution unit 12 corresponds to the communication step and the communication log generation step.

The actual communication specification extraction unit 13 analyzes the communication log 19 and extracts the communication specification generated by the communication with the verification target device 30 as the actual communication specification. Then, the actual communication specification extraction unit 13 generates the actual communication specification 20 in which the extracted actual communication specification is described. The actual communication specification 20 is UML data, as in the communication specification 17, for example. The actual communication specification is composed of a command transmission / reception procedure (communication sequence) used for communication with the verification target device 30, the number of operands, the contents of the operands, and the like.
The process performed by the actual communication specification extraction unit 13 corresponds to the actual communication specification extraction step.

The difference extraction unit 14 extracts the difference between the defined communication specification defined in the communication specification 17 and the actual communication specification described in the actual communication specification 20. Then, the difference extraction unit 14 generates the communication specification difference 21 in which the extracted difference is shown.
The process performed by the difference extraction unit 14 corresponds to the difference extraction step.

The output unit 15 outputs the communication specification difference 21 via the input / output interface 904. That is, the output unit 15 outputs the difference between the defined communication specification and the actual communication specification.
When the output unit 15 outputs the communication specification difference 21, the user (developer) of the communication specification verification device 10 analyzes the communication specification difference 21 and actually communicates with the defined communication specification defined in the communication specification. It is possible to efficiently judge whether or not the actual communication specifications obtained by the above are in agreement.

*** Explanation of operation ***
Next, with reference to FIG. 2, an operation example of the communication specification verification device 10.

First, in step S101, the verification scenario generation unit 11 generates the verification scenario 18 from the communication specification 17.
Next, in step S102, the verification scenario execution unit 12 interprets the contents (for example, the command sequence) described in the verification scenario 18. Then, the verification scenario execution unit 12 communicates with the verification target device 30 based on the interpretation result.
At the same time, the verification scenario execution unit 12 generates a communication log in step S103.
The verification scenario execution unit 12 executes steps S102 and S103 a specified number of times. Specifically, the verification scenario execution unit 12 communicates with the plurality of verification target devices 30 according to the verification scenario 18, and generates a plurality of communication logs 19 in correspondence with the communication with the plurality of verification target devices 30.
When steps S102 and S103 are executed a specified number of times (YES in step S104), in step S105, the actual communication specification extraction unit 13 analyzes the communication log 19 and extracts the actual communication specification from the communication log 19.

Here, with reference to FIG. 3, illustrating details of actual communication specification extracting process (step S105).

In step S201, the actual communication specification extraction unit 13 extracts the communication sequence obtained in each communication from the communication log 19 generated in step S103.
Next, in step S202, the actual communication specification extraction unit 13 extracts the communication sequence commonly executed in each communication as the actual common communication sequence from the communication sequences (command transmission / reception procedure) extracted in step S201. To do. The actual common communication sequence is an element common among a plurality of actual communication specifications, and corresponds to an actual common specification element.
Next, in step S203, a communication sequence unique to each communication is extracted as an actual variable communication sequence.
The actual communication specifications include an actual common communication sequence and an actual variable communication sequence.

Returning to FIG. 2, in step S106, the difference extraction unit 14 extracts the difference between the defined communication specification and the actual communication specification. Then, the difference extraction unit 14 generates the communication specification difference 21 in which the extracted difference is shown.
The communication specification 17 includes a definition common communication sequence which is a communication sequence common to a plurality of communication specifications 17, and a definition variable communication sequence which is a communication sequence unique to each communication specification 17. The definition common communication sequence corresponds to the definition common specification element, and the definition variable communication sequence corresponds to the definition variable specification element.
The difference extraction unit 14 compares the definition common communication sequence with the actual condition common communication sequence and obtains a difference. Further, the difference extraction unit 14 compares the defined variable communication sequence with the actual variable communication sequence and obtains a difference.
Then, the output unit 15 presents the communication specification difference 21 to the user via the input / output interface 904. The presentation of the communication specification difference 21 may be in any presentation format such as screen display and report output.

*** Explanation of the effect of the embodiment ***
As described above, in the present embodiment, the communication specification verification device 10 communicates with the verification target device 30 according to the defined communication specifications, and the communication specifications generated by the communication with the verification target device 30. Is extracted as the actual communication specification. Then, the communication specification verification device 10 extracts the difference between the defined communication specification and the actual communication specification. Therefore, according to the present embodiment, the developer analyzes the extracted difference to see if the communication specifications defined in the communication specifications match or deviate from the actual communication specifications. It is possible to efficiently judge whether or not.
In addition, since the developer can immediately confirm the difference between the communication specification defined in the communication specification and the actual communication specification, the communication specification can be easily modified.

*** Explanation of hardware configuration ***
Finally, a supplementary explanation of the hardware configuration of the communication specification verification device 10 will be given.
The processor 901 shown in FIG. 4 is an IC (Integrated Circuit) that performs processing.
The processor 901 is a CPU (Central Processing Unit), a DSP (Digital Signal Processor), or the like.
The storage device 902 shown in FIG. 4 is a RAM (Random Access Memory), a ROM (Read Only Memory), a flash memory, an HDD (Hard Disk Drive), or the like.
The communication interface 903 shown in FIG. 4 includes a receiver for receiving data and a transmitter for transmitting data.
The communication interface 903 is, for example, a communication chip or a NIC (Network Interface Card).
The input / output interface 904 is, for example, a mouse, a keyboard, and a display device.

Further, the storage device 902 also stores an OS (Operating System).
Then, at least a part of the OS is executed by the processor 901.
The processor 901 executes a program that realizes the functions of the verification scenario generation unit 11, the verification scenario execution unit 12, the actual communication specification extraction unit 13, the difference extraction unit 14, and the output unit 15 while executing at least a part of the OS.
When the processor 901 executes the OS, task management, memory management, file management, communication control, and the like are performed.
In addition, at least one of the information, data, signal value, and variable value indicating the processing results of the verification scenario generation unit 11, the verification scenario execution unit 12, the actual communication specification extraction unit 13, the difference extraction unit 14, and the output unit 15 is It is stored in at least one of the storage device 902, the register in the processor 901, and the cache memory.
The programs that realize the functions of the verification scenario generation unit 11, the verification scenario execution unit 12, the actual communication specification extraction unit 13, the difference extraction unit 14, and the output unit 15 are magnetic disks, flexible disks, optical disks, compact disks, and Blu-ray discs. Registered trademark) It may be stored in a portable storage medium such as a disc or a DVD.

Further, the "parts" of the verification scenario generation unit 11, the verification scenario execution unit 12, the actual communication specification extraction unit 13, the difference extraction unit 14, and the output unit 15 are referred to as "circuit" or "process" or "procedure" or "processing". It may be read as.
Further, the communication specification verification device 10 is realized by an electronic circuit such as a logic IC (Integrated Circuit), a GA (Gate Array), an ASIC (Application Specific Integrated Circuit), or an FPGA (Field-Programmable Gate Array).
In this case, the verification scenario generation unit 11, the verification scenario execution unit 12, the actual communication specification extraction unit 13, the difference extraction unit 14, and the output unit 15 are each realized as a part of an electronic circuit.
The processor and the above electronic circuits are also collectively referred to as a processing circuit.

10 Communication specification verification device, 11 Verification scenario generator, 12 Verification scenario execution unit, 13 Actual communication specification extraction unit, 14 Difference extraction unit, 15 Output unit, 17 Communication specifications, 18 Verification scenario, 19 Communication log, 20 Actual communication Specifications, 21 communication specification difference, 30 verification target device, 901 processor, 902 storage device, 903 communication interface, 904 input / output interface.

Claims (5)

The definition common specifications element is an element of the communication specification to be common between a plurality of communication specifications, an element of variable communication specifications are defined variable specification element and along a defined communication specification that is part of the in each communication specification A communication unit that communicates with the communication destination device,
A communication log generation unit that generates a communication log corresponding to communication between the communication unit and the communication destination device,
By analyzing the communication log generated by the communication log generation unit, and the actual communication specification extracting unit that extracts the communication specifications occurring in communication between said communication unit said communications apparatus as actual communication specification,
The difference between the definition common specification element and the actual condition common specification element which is an element common among the plurality of actual communication specifications is extracted, and the definition variable specification element and the actual condition common to the plurality of actual communication specifications are extracted. A communication device having a difference extraction unit that extracts a difference from an actual variable specification element, which is an element other than a specification element. The communication device further
The first aspect of claim 1 has an output unit that outputs the difference between the definition common specification element and the actual condition common specification element extracted by the difference extraction unit, and the difference between the definition variable specification element and the actual condition variable specification element. Communication device. The actual communication specification extraction unit
The communication apparatus according to claim 1 for extracting the generated in communication between the communication unit and the communication destination apparatus, procedure for transmitting and receiving commands, at least one of the contents of the number and Operand as actual conditions communication specifications. A communication device that is a computer includes a definition common specification element that is an element of a communication specification common among a plurality of communication specifications and a definition variable specification element that is an element of a communication specification that is variable for each communication specification. A communication step for communicating with a communication destination device according to the definition communication specifications
A communication log generation step in which the communication device generates a communication log corresponding to communication with the communication destination device.
The communication device analyzes the communication log generated by the communication log generation step, the actual communication specification extraction step of the communication specification generated in the communication is extracted as actual communication specification between the communication destination device,
The communication device extracts the difference between the definition common specification element and the actual condition common specification element which is an element common among the plurality of actual condition communication specifications, and extracts the definition variable specification element and the plurality of actual condition communication. A communication specification difference extraction method including a difference extraction step for extracting a difference from an actual condition variable specification element which is an element other than the actual condition common specification element of the specification. For communication devices that are computers
The definition common specifications element is an element of the communication specification to be common between a plurality of communication specifications, an element of variable communication specifications are defined variable specification element and along a defined communication specification that is part of the in each communication specification Communication steps for communicating with the communication destination device,
A communication log generation step for generating a communication log corresponding to communication with the communication destination device, and
By analyzing the communication log generated by the communication log generation step, the actual communication specification extraction step of the communication specification generated in the communication is extracted as actual communication specification between the communication destination device,
The difference between the definition common specification element and the actual condition common specification element which is an element common among the plurality of actual communication specifications is extracted, and the definition variable specification element and the actual condition common to the plurality of actual communication specifications are extracted. A communication specification difference extraction program that executes a difference extraction step that extracts the difference from the actual variable specification element, which is an element other than the specification element .

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