JP2016157282A - Data processor, data processing system, and computer program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a data processor, a data processing system, and a computer for enabling an assignor to easily execute a duty of an OSS license.SOLUTION: An execution file of open source software to which an OSS license is applied and the source file of the execution file are stored in a storage device 104 of a main unit 1 and a storage part 201 of a sub-unit 2. An OSS information providing application 112 of the main unit 1 receives a source file write-out instruction of a user, and acquires the source file stored in the storage device 104 or the source file stored in the storage part 201 of the sub-unit 2, and writes the source file in a memory card 4 mounted on a memory card interface 103 of the main unit 1.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a data processing apparatus equipped with open source software (OSS).

  Conventionally, data processing apparatuses equipped with open source software whose source codes are publicly known are known (for example, Patent Documents 1 and 2).

JP 2011-199580 JP 2011-034130

  Open source software is distributed under OSS licenses such as GNU General Public License and Mozilla Public License, which stipulate that free use, copying, modification, redistribution, etc. are permitted under the prescribed obligations. Open source software exists.

  In addition, the OSS license is for those who redistribute open source software, to provide specific notifications to those who receive redistribution, to disclose the source code of open source software, and to request physical media that stores the source code. There are things that obligate provision according to.

  Since the transfer of a data processing device equipped with open source software corresponds to the redistribution of open software, the transferor of the data processing device must use an OSS license for the open source software installed in the data processing device. Will be obliged to redistribute as prescribed by.

  However, if the transferor of the data processing device is a general user who purchased the data processing device from the manufacturer, the user must fulfill the OSS license obligation regarding redistribution of open source software as described above. It is difficult.

  Therefore, it may be possible that the manufacturer of the data processing device acts as an OSS license for the redistribution of the open source software by publishing the source code of the open software installed in the data processing device on the Internet. In such a case, it is necessary to manage the open source software installed for various versions of various data processing devices manufactured by the manufacturer over a long period of time, so the burden on the manufacturer increases. .

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to enable a transferor to easily fulfill the obligation of an OSS license applied to the open software when transferring a data processing apparatus equipped with open software. .

  In order to achieve the above object, the present invention provides a data processing apparatus equipped with software to which a license that obligates a distribution recipient to disclose a source file is installed, and an executable file of the software and a source file of the software A storage device, software execution means for executing the executable file stored in the storage device, a removable storage medium interface to which a removable storage medium is connected, and a user source file write instruction, Source file writing means for writing a source file of the software stored in the storage device to a storage medium connected to the removable storage medium interface.

  Here, such a data processing device stores, in the storage device, data of a sentence that is required to be notified by the license, and the source file writing means stores the data of the sentence together with the source file. You may comprise so that it may write in the storage medium connected to the said removable storage medium interface.

  In the above data processing apparatus, the license may be an OSS license, and the software may be open source software or software obtained by modifying open source software.

Further, the above data processing device may be an in-vehicle data processing device mounted on an automobile.
According to the data processing apparatus as described above, the data processing apparatus is provided with a function of writing the source code of the software in which the execution file is installed in the removable storage medium. At that time, the source code imposed by the license applied to the software installed in the data processing device by the transfer only or by writing the source file to a removable storage medium and transferring it together with the data processing device. Can fulfill its obligation to disclose. In addition, if the software installed in the data processing device is open source software to which GPL-2.0, one of the OSS licenses, is applied, physical as requested by GPL-2.0 The condition that source code must be provided on a medium can also be satisfied.

  In order to achieve the above object, the present invention obliges each data processing device to disclose a source file to a recipient in a data processing system including a plurality of data processing devices connected via a network. A storage device storing an execution file of software to which a license is applied, a source file of the software, and software execution means for executing the execution file stored in the storage device, and the plurality of data Removable storage medium interface to which a removable storage medium is connected to at least one data processing apparatus among the processing apparatuses, and a user's source file write instruction, and the storage apparatus of another data processing apparatus via the network The software software stored in Get the scan file, in which a source file writing means for writing in a storage medium connected to the removable storage medium interface.

  Here, in such a data processing system, when the source file writing means accepts designation of a data processing device together with the source file writing instruction, and the data processing device that has accepted the designation is its own data processing device The data processing device that acquires the software source file stored in the storage device of its own data processing device, writes it to the storage medium connected to the removable storage medium interface, and receives the designation is another data processing device. In some cases, the source file of the software stored in the storage device of another data processing device specified via the network is acquired and written to a storage medium connected to the removable storage medium interface. You may comprise.

  In such a data processing system, the license may be an OSS license, and the software may be open source software or software obtained by modifying open source software.

In the above data processing system, the network may be an in-vehicle LAN, and the data processing system may be an in-vehicle data processing system mounted on an automobile.
According to the data processing system as described above, the data processing system is provided with the function of writing the source file of the software in which the execution file is installed in the removable storage medium. At that time, the source file imposed by the license applied to the software installed in the data processing system, by the transfer only, or by writing the source file to a removable storage medium and transferring it together with the data processing system. Can fulfill its obligation to disclose. In addition, since a single data processing device can collect and write a software source file in which an execution file is installed in each data processing device constituting the data processing system to a removable storage medium, writing of the source file Work can be easily performed, and it is possible to eliminate the necessity of providing each data processing device with a removable storage medium interface.

It is a figure showing composition and arrangement of an in-vehicle system concerning an embodiment of the present invention. It is a block diagram which shows the structure of the main unit and subunit which concern on embodiment of this invention. It is a flowchart which shows the OSS information provision process which concerns on embodiment of this invention. It is a figure which shows the display screen of the main unit which concerns on embodiment of this invention.

Hereinafter, the embodiment of the present invention is applied to an in-vehicle system mounted on an automobile as an example.
FIG. 1 a shows the configuration of the in-vehicle system according to this embodiment.
As illustrated, the in-vehicle system includes a main unit 1 and a plurality of subunits 2, and the main unit 1 and each subunit 2 are connected by an in-vehicle LAN 3.
For example, as shown in FIG. 1b, the main unit 1 is a car navigation system or AV system mounted on a dashboard or the like, and the subunit 2 is a display or video for a rear seat occupant disposed at the rear of the front seat. A rear entertainment system provided with a player, a camera control system for controlling a back camera for photographing the rear of the automobile, and the like.

Next, FIG. 2 shows an internal configuration of the main unit 1 and the subunit 2.
As shown in the figure, the main unit 1 is managed by an input device 101, a display device 102, a memory card interface 103, a storage device 104, a LAN interface 105, a peripheral device 106, an operating system 107, and an operating system 107. Has a running application.

  Here, a memory card 4 which is a removable storage medium such as a USB memory or an SD memory card can be attached to the memory card interface 103, and the memory card interface 103 is connected to the memory card 4 attached from the main unit 1. The data is written and the data is read from the memory card 4 to the main unit 1.

The peripheral device 106 is an audio output device including a speaker, a TV / radio tuner, a disk drive for reproducing a CD or a DVD, a GPS receiver, or the like.
The main unit 1 includes a menu application 111, an OSS information providing application 112, and a service application 113 as the applications described above. Here, the service application 113 is an application such as a car navigation application or a media player application that causes the main unit 1 to function as a car navigation system or an AV system.

  Here, the main unit 1 is configured using a computer having a CPU, a memory, and the like in hardware, and the operating system 107 and applications are stored in the storage device 104 by the computer. This is realized by executing an executable file of a program that has been executed. Here, some of the executable files stored in the storage device 104 are open to which an OSS license is applied that obligates the recipient to disclose the source file and to make a predetermined announcement. It is an executable file of the source software. In the present embodiment, when the above-mentioned OSS license is applied to software obtained by modifying open source software, the software is collectively referred to as open source software to which the OSS license is applied.

  The execution file is a file obtained by compiling a source code describing a program in a programming language into an execution code. The storage device 104 stores an open source software execution file to which the OSS license is applied, as well as a source code source file of the execution file.

  In addition, the storage device 104 stores map data for car navigation, notification sentence data defined in the OSS license applied to the open source software stored in the storage device 104 as an execution file, and the storage device 104. Various data such as management data registered with stored source files and announcement text data are stored.

  Next, the subunit 2 includes a storage unit 201, a LAN interface 202, a peripheral device 203, an operating system 204, and an application managed by the operating system 204 and running on the operating system 204.

  Here, the peripheral device 203 is a display, a disk drive, a touch panel or the like if the subunit 2 is a rear entertainment system, and a camera or the like if the subunit 2 is a camera control system.

  The subunit 2 includes an OSS information transfer application 211 and a service application 212 as the above-described applications. Here, the service application 212 is an application that causes the subunit 2 to function as a required system such as a rear entertainment system or a camera control system.

  Here, the subunit 2 is configured using a computer having a CPU, a memory, and the like in terms of hardware. The operating system 204, applications, and the like are stored in the storage unit 201 by the computer. This is realized by executing an executable file of a program that has been executed. Here, some of the executable files are open source software executable files to which the OSS license is applied.

  The storage unit 201 stores the source file of the executable file together with the executable file of the open source software to which the OSS license that obligates the recipient of the distribution to disclose the source file and to make a predetermined notification is provided. Has been.

  Further, the storage unit 201 stores data of an announcement sentence defined in the OSS license of the open source software applied to the open source software stored in the storage unit 201 as an execution file, or the storage unit 201. Stores management data in which data of source files and announcements are registered, and other various data.

Hereinafter, an operation in which such an in-vehicle system provides OSS information will be described.
The menu application 111 of the main unit 1 displays a main menu that accepts a switching operation of an application executed in the foreground in the main unit 1 on the display device 102, and the OSS information providing application 112 is selected by the user using the menu. Then, the OSS information providing application 112 is activated.

Then, the OSS information providing application 112 started from the menu application 111 performs OSS information providing processing.
FIG. 3 shows a procedure of OSS information provision processing performed by the OSS information provision application 112.
As shown in the figure, in the OSS information providing process, the OSS information providing application 112 first acquires OSS presence / absence information indicating the presence / absence of OSS information from each subunit 2 via the in-vehicle LAN 3 (step 302).

  The OSS presence / absence information is acquired by the OSS information providing application 112 requesting the OSS presence / absence information 211 to the OSS information transfer application 211 of each subunit 2 via the in-vehicle LAN 3, and the OSS information transfer application 211 of the subunit 2 receiving the request. , Referring to the management data in the storage unit 201, when the notification text or the source file is registered in the management data, the OSS presence / absence information indicating the presence of OSS information is returned to the OSS information providing application 112 of the main unit 1, When the notification text and the source file are not registered in the management data, the OSS presence / absence information indicating the absence of OSS information is returned to the OSS information providing application 112 of the main unit 1.

  Next, the OSS information providing application 112 of the main unit 1 that has acquired the OSS presence / absence information from each subunit 2 has a notification sentence and a source file registered in the management data of the storage device 104 of the main unit 1. When the main unit 1 and the subunit 2 that responds with the OSS presence / absence information indicating the presence of OSS information are set as candidate units, and no notification sentence or source file is registered in the management data of the storage device 104 of the main unit 1, By setting the subunit 2 that has responded with the OSS presence / absence information indicating the presence of OSS information as a candidate unit, the unit holding the notification sentence and the source file is set as the candidate unit. Then, for example, as shown in FIG. 4a, a unit selection menu representing a list 401 of candidate units is displayed on the display device 102 (step 304).

  Then, an end instruction is generated by operating the end button 402 provided in the unit selection menu shown in FIG. 4a (step 306), and a selection candidate unit is selected from the candidate unit list 401 of the unit selection menu (step 306). Step 308) is monitored, and if an end instruction is generated (Step 306), the OSS information providing process is ended.

  On the other hand, when a candidate unit selection operation occurs (step 308), the data of the announcement text is acquired from the selected candidate unit, and the OSS information screen showing the obtained announcement text 411 is displayed as shown in FIG. 4b. The information is displayed on the display device 102 (step 310). Here, when the selected candidate unit is the main unit 1, the acquisition of the notification sentence data from the selected candidate unit is performed by reading the notification sentence data from the storage device 104. When the candidate unit is the subunit 2, the OSS information providing application 112 of the main unit 1 requests the notice data from the OSS information transfer application 211 of the selected subunit 2 via the in-vehicle LAN 3, and receives the request. The OSS information transfer application 211 of the subunit 2 transfers the notice text data stored in the storage unit 201 to the OSS information provision application 112 of the main unit 1.

  Next, a return instruction is generated by operating the return button 412 provided on the OSS information screen shown in FIG. 4B (step 312), and a source file write instruction is generated by the OSS information write button 413 provided on the OSS information screen (step 312). Step 314) is monitored, and if a return instruction is generated (Step 312), the process returns from the unit selection menu display in Step 304.

  On the other hand, if a source file write instruction is accepted (step 314), the source file is acquired from the candidate unit selected in step 308 and written to the memory card 4 attached to the memory card interface 103 (step 314). 316). Here, the acquisition of the source file from the selected candidate unit is performed by reading the source file from the storage device 104 when the selected candidate unit is the main unit 1, and the selected candidate unit is In the case of the unit 2, the OSS information providing application 112 of the main unit 1 requests the source file from the OSS information transfer application 211 of the selected subunit 2 via the in-vehicle LAN 3, and the subunit 2 of the subunit 2 that has received the request The OSS information transfer application 211 transfers the source file stored in the storage unit 201 to the OSS information providing application 112 of the main unit 1.

If the writing to the memory card 4 is successful (step 318), the process returns from the display of the unit selection menu in step 304.
On the other hand, when the writing to the memory card 4 has failed (step 318), a predetermined error message is displayed on the display device 102 (step 320), and the OSS information providing process is terminated.

The OSS information providing process performed by the OSS information providing application 112 has been described above.
By the way, in the above OSS information provision processing, in step 316, together with the source file acquired from the selected candidate unit, the data of the notification sentence acquired from the selected candidate unit may be written in the memory.

The embodiment of the present invention has been described above.
According to this embodiment, since the in-vehicle system itself has a function of writing the source file of the open source software in which the execution file is installed in the memory card 4, the in-vehicle system and the automobile equipped with the in-vehicle system are installed. At the time of transfer, fulfill the obligation to disclose the source code imposed by the OSS license applied to the open source software, either by the transfer only or by writing the source file to the memory card 4 and transferring it with the car can do. In addition, if the software installed in the data processing device is open source software to which GPL-2.0, one of the OSS licenses, is applied, physical as requested by GPL-2.0 The condition that source code must be provided on a medium can also be satisfied.

  Moreover, since the main unit 1 can collect and write the source file of the open source software in which the execution file is mounted in each subunit 2 of the main unit constituting the in-vehicle system, the main unit 1 only. , The source file writing operation can be easily performed, and the necessity of providing the memory card interface 103 in each subunit 2 can be eliminated.

  Although the above embodiment has been described by taking application to an in-vehicle system as an example, the technology for displaying a notice text and writing a source file in this embodiment is an arbitrary one that is equipped with open source software to which an OSS license is applied. And a data processing system in which a plurality of data processing devices including a data processing device equipped with open source software to which an OSS license is applied are connected via a network.

  DESCRIPTION OF SYMBOLS 1 ... Main unit, 2 ... Sub unit, 3 ... In-vehicle LAN, 4 ... Memory card, 101 ... Input device, 102 ... Display device, 103 ... Memory card interface, 104 ... Memory | storage device, 105 ... LAN interface, 106 ... Peripheral device 107 ... Operating system, 111 ... Menu application, 112 ... OSS information providing application, 113 ... Service application, 201 ... Storage unit, 202 ... LAN interface, 203 ... Peripheral device, 204 ... Operating system, 211 ... OSS information transfer application, 212 ... Service application.

Claims (10)

A data processing device equipped with software to which a license that obligates the recipient to disclose the source file is applied,
A storage device storing the execution file of the software and a source file of the software;
Software execution means for executing the executable file stored in the storage device;
A removable storage medium interface to which a removable storage medium is connected;
And a source file writing means for receiving a user's source file write instruction and writing the software source file stored in the storage device to a storage medium connected to the removable storage medium interface. Data processing device.
The data processing apparatus according to claim 1, wherein
The storage device stores text data that is required to be notified by the license,
The source file writing means writes the text data together with the source file to a storage medium connected to the removable storage medium interface.
The data processing apparatus according to claim 1 or 2, wherein
The data processing apparatus according to claim 1, wherein the license is an OSS license, and the software is open source software or software obtained by modifying open source software.
The data processing device according to claim 1, 2, or 3,
The data processing apparatus is an in-vehicle data processing apparatus mounted on an automobile.
A data processing system comprising a plurality of data processing devices connected via a network,
Each data processing device
A storage device that stores an executable file of software to which a license that obligates the recipient to disclose the source file and a source file of the software are stored;
Software execution means for executing the executable file stored in the storage device,
At least one data processing device of the plurality of data processing devices is
A removable storage medium interface to which a removable storage medium is connected;
Accepts a user's source file write instruction, acquires the software source file stored in the storage device of another data processing apparatus via the network, and writes it to a storage medium connected to the removable storage medium interface A data processing system comprising source file writing means.
A data processing system according to claim 5, wherein
The source file writing means receives the designation of the data processing device together with the source file writing instruction, and when the data processing device that has accepted the designation is the own data processing device, the source file writing means is stored in the storage device of the own data processing device. The software source file is acquired, written to the storage medium connected to the removable storage medium interface, and the designation is received via the network when the designated data processing apparatus is another data processing apparatus. A data processing system, comprising: acquiring a source file of the software stored in the storage device of the other data processing device that has been recorded and writing the source file to a storage medium connected to the removable storage medium interface.
A data processing system according to claim 5 or 6,
The data processing system according to claim 1, wherein the license is an OSS license, and the software is open source software or software obtained by modifying open source software.
A data processing system according to claim 5, 6 or 7,
The network is an in-vehicle LAN,
The data processing system is an in-vehicle data processing system mounted on an automobile.
A computer program that is read and executed by a computer that executes an execution file of software stored in a storage device,
The storage device stores an executable file of software to which a license that obligates the recipient to disclose the source file is applied, and a source file of the software,
The computer includes a removable storage medium interface to which a removable storage medium is connected,
The computer program stores the computer,
A source file write instruction receiving means for receiving a user's source file write instruction;
A source file for writing the source file of the software stored in the storage device to a storage medium connected to the removable storage medium interface when the source file writing instruction receiving unit receives the source file writing instruction A computer program which functions as a writing means.
A computer program that is read and executed by a computer connected to a data processing device via a network,
The data processing device includes:
A storage device that stores an executable file of software to which a license that obligates the recipient to disclose the source file and a source file of the software are stored;
Software execution means for executing the executable file stored in the storage device,
The computer includes a removable storage medium interface to which a removable storage medium is connected,
The computer program stores the computer,
A source file write instruction receiving means for receiving a user's source file write instruction;
When the source file write instruction accepting unit accepts the source file write instruction, the source file of the software stored in the storage device of the data processing device is acquired via the network, and the removable storage A computer program that functions as source file writing means for writing to a storage medium connected to a medium interface.