JP2015019220A - Communication device, communication method, and communication program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform stable operation by appropriately setting a plurality of parameters required for communication, in a configuration in which the communication is performed with a plurality of apparatuses.SOLUTION: A HGW (home gateway) 101 comprises: a change request acceptance unit 71 for accepting a change request which includes part or all of target parameters, which belong to a group of parameters whose consistency should be confirmed of groups of parameters to be set in the HGW 101, and is for requesting change of values of the parameters; a group confirmation unit 73 which holds the target parameters included in the accepted change request, and confirms whether or not change requests for all of the target parameters belonging to the group are accepted; a consistency confirmation unit 76 which confirms consistency among values of the respective target parameters belonging to the group when the group confirmation unit 73 confirms that the change requests for all of the target parameters belonging to the group have been accepted; and a setting unit 75 for setting the respective target parameters whose consistency are confirmed in the HGW 101.

Description

  The present invention relates to a communication device, a communication method, and a communication program, and more particularly, to a communication device, a communication method, and a communication program that communicate with a plurality of devices.

  2. Description of the Related Art Conventionally, home network systems for operating a plurality of home appliances such as an air conditioner, a lighting, or a refrigerator in a home in cooperation with each other are known. For example, by connecting a plurality of home appliances to the external Internet via a home gateway (HGW), a user can access home content from outside the home and mutually link a plurality of home appliances in the home. (See, for example, Non-Patent Document 1.)

“1-1-3 Basic Technology / Home Network / Infrastructure Technology / Home Gateway”, [online], [Search March 6, 2013], Internet <URL: http://www.jpo.go.jp/ shiryou / s_sonota / hyoujun_gijutsu / web-base / 1-1-3.pdf> “TR-181 Device Data Model for TR-069”, Issue: 02 Amendment 6, Issue Date: November 2012 “TR-069 CPE WAN Management Protocol”, Issue: 1 Amendment 4, Issue Date: July 2011, Protocol Version: 1.3 “OMA Device Management Tree and Description Candidate Version 1.2”, [online], [Search May 28, 2013], Internet <URL: http://member.openmobilealliance.org/ftp/Public_documents/DM/Permanent_documents/OMA -TS-DM-TND-V1_2-20050615-C.zip>

  For example, when a plurality of home appliances are connected to the external Internet via a home gateway, it is necessary to set parameters relating to network connection to the HGW. This setting may be performed from an external Internet device or a home device.

  For example, parameters necessary for the HGW to establish a communication connection with a device on the external Internet side include ON / OFF of automatic address acquisition, an IP address of the HGW, a subnet mask, and a gateway IP address. When setting these parameters, it may be necessary to check consistency between a plurality of parameters.

  Specifically, for example, when automatic address acquisition is set to OFF, if the values of the HGW IP address, subnet mask, and gateway IP address remain null, the network setting is inappropriate.

  If such an inappropriate network setting is made, the HGW may not be able to establish communication connection with a device on the external Internet side. In addition, complicated processing may be required to perform appropriate network settings.

  The present invention has been made to solve the above-described problems. The object of the present invention is to appropriately set a plurality of parameters necessary for communication and perform stable operation in a configuration for communicating with a plurality of devices. A communication device, a communication method, and a communication program are provided.

  (1) In order to solve the above-described problem, a communication device according to an aspect of the present invention is an object that is a parameter belonging to a parameter group whose consistency should be confirmed among parameter groups to be set in its own communication device. A change request accepting unit that accepts a change request for requesting a change in the value of the parameter, including part or all of the parameter, and the target parameter included in the change request accepted by the change request accepting unit. And a group confirmation unit for confirming whether or not the change request for all the target parameters belonging to the group has been accepted, and the change request for all the target parameters belonging to the group is accepted by the group confirmation unit If it is confirmed that the values are consistent, the consistency of the values is confirmed among the target parameters belonging to the group. It comprises a consistency check unit which, a setting unit for setting each target parameter integrity is confirmed by the integrity checking unit in its said communications device.

  In this way, when a change request for all target parameters belonging to a group is accepted and the consistency of values between the target parameters is confirmed, the configuration is performed so that the target parameters are set in the communication device. A plurality of parameters can be set appropriately, and stable operation can be performed.

  As a result, for example, it is possible to avoid an inappropriate network setting for the communication device, so that it is possible to avoid a situation in which the communication device cannot communicate with the device on the external Internet side. Further, it is possible to eliminate a complicated process for setting an appropriate network.

  (2) Preferably, when there is the change request that has not been accepted within a predetermined time among the change requests for all the target parameters belonging to the group, the group confirmation unit holds the time-out process as the time-out process. Discard the target parameter.

  In this way, with a configuration in which a time limit is set for processing to wait until a request for changing all target parameters belonging to the group is accepted, target parameters that are unlikely to be all collected are retained and discarded as unnecessary data Therefore, the memory usage efficiency can be improved.

  (3) Preferably, the consistency check unit outputs an error when the value consistency between the target parameters belonging to the group does not satisfy a condition.

  With such a configuration, it is possible to notify, for example, that there is no consistency between target parameters before improperly setting the communication device.

  (4) Preferably, the communication device holds a data model having a tree structure including an identifier of the parameter, and when a change in the value of the parameter corresponding to the identifier included in the data model is requested, The plug-in corresponding to the identifier is activated, and the activated plug-in outputs the change request including the parameter corresponding to the identifier to the change request accepting unit, and the change request accepting unit receives the change request from the plug-in. The above change request is accepted.

  With such a configuration, even in a configuration in which parameters are set via a plug-in, parameters can be appropriately set for the communication device after confirming consistency between target parameters.

  (5) In order to solve the above-described problem, a communication method according to an aspect of the present invention is a communication method used in a communication device, and the consistency among parameters set to be set in the communication device is determined. A step of accepting a change request for requesting a change in the value of the parameter, including a part or all of the target parameter belonging to a group of parameters to be confirmed, and the target included in the received change request Holding the parameter and confirming whether or not the change request for all the target parameters belonging to the group has been accepted, and confirming that the change request for all the target parameters belonging to the group has been accepted, Checking the consistency of values among the target parameters belonging to the group, and The above object parameters sure and a step of setting the self of the communication device.

  In this way, when a change request for all target parameters belonging to a group is accepted and the consistency of values between the target parameters is confirmed, the configuration is performed so that the target parameters are set in the communication device. A plurality of parameters can be set appropriately, and stable operation can be performed.

  As a result, for example, it is possible to avoid an inappropriate network setting for the communication device, so that it is possible to avoid a situation in which the communication device cannot communicate with the device on the external Internet side. Further, it is possible to eliminate a complicated process for setting an appropriate network.

  (6) In order to solve the above-described problem, a communication program according to an aspect of the present invention is a communication program used in a communication device, and among a parameter group to be set in the communication device of its own in a computer, A step of accepting a change request for requesting a change in the value of the parameter, including part or all of the target parameter belonging to the group of parameters whose consistency should be confirmed, and included in the received change request Holding the target parameter and confirming whether or not the change request for all the target parameters belonging to the group has been accepted, and receiving the change request for all the target parameters belonging to the group. If confirmed, the consistency of values between the target parameters belonging to the group is confirmed. A step of sure, a program for executing a step of setting the respective target parameters verify the integrity of the self of the communication device.

  In this way, when a change request for all target parameters belonging to a group is accepted and the consistency of values between the target parameters is confirmed, the configuration is performed so that the target parameters are set in the communication device. A plurality of parameters can be set appropriately, and stable operation can be performed.

  As a result, for example, it is possible to avoid an inappropriate network setting for the communication device, so that it is possible to avoid a situation in which the communication device cannot communicate with the device on the external Internet side. Further, it is possible to eliminate a complicated process for setting an appropriate network.

  ADVANTAGE OF THE INVENTION According to this invention, in the structure which communicates with a some apparatus, the several parameter required for communication can be set appropriately, and the stable operation | movement can be performed.

It is a figure which shows the structure of the communication system which concerns on embodiment of this invention. It is a figure which shows the software structure and interface structure of HGW which concern on embodiment of this invention. It is a figure which shows an example of the data model of the tree structure which DMT Admin in HGW concerning embodiment of this invention has. It is a figure which shows an example of the parameter setting screen which the web UI application in HGW which concerns on embodiment of this invention produces | generates. It is a figure which shows the structure of the API function part in HGW which concerns on embodiment of this invention. It is the flowchart which defined the operation | movement procedure at the time of setting the parameter which the API function part which concerns on embodiment of this invention received from the plug-in in a setting file. It is a figure which shows an example of the sequence in which the server and HGW which concern on embodiment of this invention transmit and receive a message. It is a figure which shows the structure of the ACS process part in HGW which concerns on embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals and description thereof will not be repeated.

[Configuration and basic operation]
FIG. 1 is a diagram showing a configuration of a communication system according to an embodiment of the present invention.

  With reference to FIG. 1, the communication system 301 includes an HGW 101, one or more devices 161, and a server 151.

  The HGW 101 is a router provided in homes such as homes and offices, for example, and is a relay device for connecting a LAN (Local Area Network) side network and a WAN (Wide Area Network) side network 111. The HGW 101 is connected to the server 151 via, for example, the network 111 on the WAN side.

  The HGW 101 can be connected to one or a plurality of devices 161 on the LAN side. Here, it is assumed that one device 161, specifically, a PC (Personal Computer) 161 is connected to the HGW 101 by wire connection or wireless connection. Note that the device 161 may not be a PC, but may be, for example, a domestic television receiver or an air conditioner.

  For example, parameters for connecting to the WAN-side network 111 are set in the HGW 101. Parameters include ON / OFF of automatic address acquisition by using DHCP, WAN side IP address of HGW 101, subnet mask, gateway IP address, and the like.

  A user who uses the PC 161 may change the above parameters, for example. For example, the HGW 101 can be equipped with a plurality of software modules for providing a service for changing the parameters to the user.

  For example, the HGW 101 is equipped with a software module for providing a GUI (Graphical User Interface) for changing parameters to a user who uses the PC 161.

  The HGW 101 downloads and installs such software modules from a network or the like as necessary, and deletes unnecessary software modules to flexibly change functions.

  Here, a software plug-in that enables operation of the same software module even when the hardware manufacturer or type is different, and enables addition or replacement of the software module without restarting the device. As a mechanism, there is OSGi (Open Services Gateway initiative) which is an execution environment of software modules using Java (registered trademark).

  In this OSGi, a Java VM (virtual machine) is executed as a process on the OS (Operating System), OSGi FW (Framework), which is middleware described in the Java language, operates on the process, and further on the OSGi FW One or a plurality of software modules (hereinafter also referred to as bundles) are installed and executed.

[Example 1: Network setting from LAN side]
FIG. 2 is a diagram showing a software configuration and an interface configuration of the HGW according to the embodiment of the present invention.

  Referring to FIG. 2, HGW 101 includes a LAN interface unit 31 and a WAN interface unit 34.

  The software of the HGW 101 includes an OS (Operating System) 21, a Java virtual machine (Java VM) 22, an OSGi FW (Open Service Gateway initiative Framework) 23, a bundle group 24, and a Native program group 62. The OS 21, Java virtual machine 22, OSGi FW 23 and bundle group 24 constitute JAVA (registered trademark) side software. Native side software is constituted by the OS 21 and the Native program group 62.

  The bundle group 24 includes a Web UI (User Interface) application 11, a DMT (Device Management Tree) Admin 12, and plug-ins 13A, 13B, and 13C. Hereinafter, each of the plug-ins 13A, 13B, and 13C may be referred to as a plug-in 13. In FIG. 2, three plug-ins 13 are representatively shown, but a larger or smaller number of plug-ins 13 may be provided.

  The Native program group 62 includes a setting file 51, an API (Application Program Interface) function unit 52, and an ACS (Auto Configuration Servers) processing unit 53.

  The HGW 101 operates according to a plurality of hierarchized layers. More specifically, in the JAVA side software, the OS 21 layer is the lowest layer (first layer), the upper layer is the Java virtual machine 22 layer, and the upper layer is the OSGi FW 23 layer, Furthermore, the higher layer is a layer (second layer) of the bundle group 24.

  In the native software, the OS 21 layer is the lowest layer (first layer), and the higher layer is the native program group 62 (second layer).

  The OSGi FW 23 is a standardized technology by the OSGi Alliance, and as described above, is a software platform that provides an execution environment for software components created based on an open software componentization technology based on the Java language.

  The OS 21 transmits and receives communication signals to and from the PC 161 that is wired or wirelessly connected to its own HGW 101 via the LAN interface unit 31. Further, the OS 21 transmits and receives communication signals to and from the server 151 via the network 111 via the WAN interface unit 34.

  Transmission / reception of communication signals between the plug-in 13 in the bundle group 24 and the API function unit 52 in the Native program group 62 is performed via the OS 21 by inter-process communication using a loopback address.

  The HGW 101 can execute each bundle of the bundle group 24 alone or in cooperation on the OSGi FW 23. In FIG. 2, five applications are shown as bundles included in the bundle group 24, but the bundle group 24 may include a larger number or a smaller number of bundles.

  The software platform for executing each bundle is not limited to the Java virtual machine 22 and the OSGi FW 23, and may be another application execution environment.

  Each bundle included in the bundle group 24 operates on the OSGi FW 23 using a function provided from the OSGi FW 23.

  FIG. 3 is a diagram showing an example of a data model having a tree structure included in DMT Admin in the HGW according to the embodiment of the present invention.

  Referring to FIG. 3, DMT Admin 12 has DMT 14 that is a tree-structured data model according to, for example, OMA (Open Mobile Alliance) DM Protocol shown in Non-Patent Document 4. The DMT 14 is configured by a plurality of nodes, for example. Each node has a parent-child relationship, for example. The parent node and the child node are connected by, for example, an edge.

  The DMT 14 is an abstract model for parameters set in the own HGW 101, for example. The node in the DMT 14 is a node indicating a parameter identifier, for example.

  More specifically, the DMT 14 has a “Device” node as a root node, for example. The “Device” node has, for example, child nodes of “DeviceInfo”, “Time”, “IP”, “DHCPv4”, and “Routing” as child nodes.

  The “IP” node has, for example, an “Interface” node as a child node. The bottommost nodes for the “IP” node are, for example, an “IPAddress” node and a “SubnetMask” node. The “IPAddress” node indicates an identifier of an IP address that is a parameter, for example. The “SubnetMask” node indicates an identifier of a subnet mask that is a parameter, for example. Hereinafter, the parameter indicating the IP address is also referred to as parameter IP. A parameter indicating the subnet mask is also referred to as a parameter SN.

  The “DHCPv4” node has, for example, a “Client” node as a child node. The bottommost node for the “DHCPv4” node is, for example, an “Enable” node. The “Enable” node indicates an identifier of a parameter for setting whether to automatically acquire an IP address, for example. Hereinafter, a parameter indicating whether or not an IP address is automatically acquired is also referred to as a parameter DHCP.

  The “Router” node has, for example, a “Router” node as a child node. The bottommost node for the “Routing” node is, for example, a “GatewayIPAddress” node. The “Gateway IP Address” node indicates, for example, an identifier of a gateway IP address that is a parameter. Hereinafter, the parameter indicating the gateway is also referred to as a parameter GW.

  Each node is specified by a path name, for example. Specifically, the “IPAddress” node is specified by a path name indicated by “Device.IP.Interface.1.IPV4Address.1.IPAddress”, for example.

  Further, the plug-in 13 may be registered in the node. When the plug-in 13 is registered in a node, for example, when access from another bundle occurs to a node below the node, the plug-in 13 is activated.

  For example, when the plug-in 13A is registered in the “IP” node, the plug-in 13A is activated when access to the “IPAddress” node or the “SubnetMask” node is caused by another bundle.

  Also, for example, when the plug-in 13B is registered in the “DHCPv4” node, the plug-in 13B is activated when the “Enable” node is accessed by another bundle.

  In addition, for example, when the plug-in 13C is registered in the “Routing” node, the plug-in 13C is activated when the “GatewayIPAddress” node is accessed by another bundle.

  FIG. 4 is a diagram showing an example of a parameter setting screen generated by the Web UI application in the HGW according to the embodiment of the present invention.

  Referring to FIG. 4, Web UI application 11 creates, for example, downlink information to be transmitted to PC 161 and processes uplink information received from PC 161 on OSGi FW 23.

  Specifically, the Web UI application 11 displays, for example, a parameter setting screen 201 for performing network setting on the WAN side of its own HGW 101 on the screen of the PC 161.

  At this time, for example, the Web UI application 11 reads the parameter value stored in the setting file 51 via the OS 21 and displays the read parameter on the parameter setting screen 201.

  The user who operates the PC 161 presses the setting button 206 when automatic address acquisition is turned on or off and writing of the IP address, subnet mask, and gateway IP address values of the HGW 101 is completed.

  When the setting button 206 is pressed, the PC 161 transmits the values written in the address automatic acquisition setting field 202, the IP address setting field 203, the subnet mask setting field 204, and the gateway IP address setting field 205 to the HGW 101.

  The PC 161 is configured to transmit the written values to the HGW 101 at once when the setting button 206 is pressed. However, the present invention is not limited to this. For example, the PC 161 may be configured to transmit the written value to the HGW 101 every time the user writes a value in each setting field.

  Referring to FIG. 2 again, when the Web UI application 11 receives various parameters from the PC 161, in order to request that the parameter values set in its own HGW 101 be changed to the received various parameter values. The following processing is performed.

  That is, the Web UI application 11 outputs the values of the various parameters to the node corresponding to the identifiers of the various parameters in the DMT 14 of the DMT Admin 12. More specifically, the Web UI application 11 outputs the values of the various parameters to the DMT 14 together with the path name for specifying the node corresponding to the identifier of the various parameters.

  When the DMT Admin 12 receives various parameters from the Web UI application 11, that is, when an access from the Web UI application 11 occurs, the DMT Admin 12 activates the plug-in 13 corresponding to the identifier of the received various parameters. Then, the activated plug-in 13 sends a change request including a parameter corresponding to the identifier, and requests the change of the parameter value set in its own HGW 101 to the API function in the native software. The data is output to the unit 52 via the OS 21.

  Specifically, the Web UI application 11 uses, for example, a parameter DHCP received from the PC 161 and indicating whether or not to automatically acquire an IP address as “Enable”, which is the lowest node for the “DHCPv4” node of the DMT 14. Are output to DMT Admin12 together with the path name for specifying the ID.

  When the DMT Admin 12 receives the parameter DHCP from the Web UI application 11 for the “Enable” node, the DMT Admin 12 activates the plug-in 13B corresponding to the identifier indicated by the “Enable” node. The plug-in 13B outputs a change request including the parameter DHCP from the Web UI application 11 to the API function unit 52 in the Native side software.

  Further, the Web UI application 11 sends, for example, the parameter IP indicating the IP address received from the PC 161 to the DMT Admin 12 together with the path name for specifying “IPAddress” which is the bottommost node for the “IP” node of the DMT 14. Output.

  When receiving the parameter IP from the Web UI application 11 for the “IPAddress” node, the DMT Admin 12 activates the plug-in 13A corresponding to the identifier indicated by the “IPAddress” node. The plug-in 13A outputs a change request including the parameter IP from the Web UI application 11 to the API function unit 52 in the Native side software.

  For example, the Web UI application 11 sends the parameter SN indicating the subnet mask received from the PC 161 to the DMT Admin 12 together with the path name for specifying the “SubnetMask” that is the bottommost node for the “IP” node of the DMT 14. Output.

  When receiving the parameter SN from the Web UI application 11 for the “SubnetMask” node, the DMT Admin12 activates the plug-in 13A corresponding to the identifier indicated by the “SubnetMask” node. The plug-in 13A outputs a change request including the parameter SN from the Web UI application 11 to the API function unit 52 in the Native side software.

  In addition, the Web UI application 11 uses, for example, the parameter GW indicating the gateway IP address received from the PC 161 together with the path name for specifying “GatewayIPAddress” which is the lowest-side node for the “Routing” node of the DMT 14. Output to.

  When receiving the parameter GW from the Web UI application 11 for the “GatewayIPAddress” node, the DMT Admin12 activates the plug-in 13C corresponding to the identifier indicated by the “GatewayIPAddress” node. The plug-in 13C outputs a change request including the parameter GW from the Web UI application 11 to the API function unit 52 in the Native side software.

  As described above, the parameters received from the PC 161 by the Web UI application 11 are not collectively output to the API function unit 52 but are output to the API function unit 52 for each plug-in 13 in separate sessions.

[Problems that occur when setting parameters]
For example, when automatic address acquisition is turned on or off, and parameters of the IP address, subnet mask, and gateway IP address of the HGW 101 are changed, it may be necessary to check consistency between a plurality of parameters.

  Specifically, for example, when automatic address acquisition is set to OFF, the IP address, subnet mask, and gateway IP address values of the HGW 101 are required. However, if the values of the IP address, subnet mask, and gateway IP address are not transmitted via the plug-in 13, the network setting cannot be properly completed.

  As described above, each parameter is transmitted one by one through the plug-in 13 one by one. If the parameters are set in the order in which the parameters are transmitted, for example, after automatic address acquisition is turned off, the IP address, subnet mask, and gateway IP address values are not transmitted via the plug-in 13. If this is the case, the network setting will be inappropriate.

  If such an inappropriate network setting is made, the HGW 101 may not be able to communicate with the WAN-side network 111. In addition, complicated processing may be required to perform appropriate network settings.

  On the other hand, the API function unit 52 according to the embodiment of the present invention avoids setting a parameter whose consistency has not been confirmed by the following configuration and operation.

[Configuration of API function part]
FIG. 5 is a diagram showing a configuration of an API function unit in the HGW according to the embodiment of the present invention.

  Referring to FIG. 5, the API function unit 52 includes a change request receiving unit 71, a timer unit 72, a group confirmation unit 73, a storage unit 74, a setting unit 75, a consistency confirmation unit 76, and an error output. Part 77.

  The storage unit 74 holds information on one or more groups, for example. The group information includes the type ID of the target parameter that is a parameter belonging to the group and whose value should be checked for consistency. The storage unit 74 temporarily stores parameters.

  The change request receiving unit 71 receives a change request including a parameter to be set in its own HGW 101 from the plug-ins 13A, 13B, 13C, that is, receives the change request from the plug-ins 13A, 13B, 13C. The change request may include some or all of the target parameters. The change request receiving unit 71 outputs the parameters included in the received change request to the group confirmation unit 73.

  When the group confirmation unit 73 receives a parameter from the change request reception unit 71, the group confirmation unit 73 refers to the group information held by the storage unit 74, and the received parameter type ID is assigned to the group as a parameter whose value consistency needs to be confirmed. It is determined whether or not the ID of the type of the target parameter to which it belongs.

  For example, when the group confirmation unit 73 determines that the received parameter type ID does not correspond to the target parameter type ID, the group confirmation unit 73 outputs the received parameter to the setting unit 75.

  On the other hand, for example, when the group confirmation unit 73 determines that the received parameter type ID corresponds to the ID of the target parameter type, the group confirmation unit 73 holds the received parameter in the storage unit 74 and sets a predetermined time until the timer unit 72 times out. The time is set and the timer unit 72 is started to operate.

  For example, every time the group confirmation unit 73 receives a target parameter belonging to the group, the group confirmation unit 73 resets the timer unit 72 for a predetermined time and causes the timer unit 72 to start operation. Note that the group confirmation unit 73 may set a predetermined time in the timer unit 72 only at the timing when the target parameter belonging to the group is first received, and cause the timer unit 72 to start operation.

  When the set time has elapsed, the timer unit 72 outputs a timer expiration notification to the group confirmation unit 73.

  For example, when the group confirmation unit 73 confirms that a request for changing all target parameters belonging to the group has been received before receiving the timer expiration notification from the timer unit 72, the group confirmation unit 73 stops the operation of the timer unit 72, and the storage unit All target parameters belonging to the group held in 74 are output to the consistency confirmation unit 76.

  In addition, for example, when the group confirmation unit 73 receives a timer expiration notification from the timer unit 72 before receiving a request for changing all target parameters belonging to the group, the group confirmation unit 73 performs a timeout process.

  Specifically, for example, the group confirmation unit 73 discards the target parameter held in the storage unit 74 and outputs an error notification indicating that a timeout has occurred to the error output unit 77.

  When the consistency confirmation unit 76 receives the target parameter from the group confirmation unit 73, the consistency confirmation unit 76 confirms the consistency of the values between the received target parameters. For example, when the consistency of values between target parameters satisfies a predetermined condition, that is, when there is a consistency of values between target parameters, the consistency checking unit 76 outputs the parameters to the setting unit 75.

  For example, when the consistency of values between target parameters does not satisfy a predetermined condition, the consistency confirmation unit 76 outputs an error notification indicating that there is a problem with the consistency of values to the error output unit 77.

  When receiving the parameters from the group confirmation unit 73 and the consistency confirmation unit 76, the setting unit 75 sets the received parameters in the setting file 51.

  Upon receiving an error notification from the group confirmation unit 73 and the consistency confirmation unit 76, the error output unit 77 outputs the received error notification to the plug-in 13.

  Referring to FIG. 2 again, the setting file 51 holds parameters used in the HGW 101, for example. For example, the OS 21 reads a parameter from the setting file 51 as a network setting parameter on the WAN side of its own HGW apparatus 101, and sets the read parameter in its own HGW apparatus 101.

[Operation of API function part]
Next, the operation of the HGW according to the embodiment of the present invention will be described with reference to the drawings. The HGW 101 reads out and executes a program including the following flowchart and sequence steps from a memory (not shown). This program can be installed externally.

  FIG. 6 is a flowchart defining an operation procedure when the API function unit according to the embodiment of the present invention sets a parameter received from a plug-in in a setting file.

  Referring to FIG. 6, first, group confirmation unit 73 determines that the parameter included in the change request received by change request receiving unit 71, that is, the received change request is a target parameter belonging to the group (YES in step S102). The following processing is performed.

  In other words, the group confirmation unit 73 does not accept some of the change requests for all the target parameters belonging to the group and does not have all the target parameters belonging to the group (step S104). NO), the target parameter included in the change request accepted by the change request accepting unit 71 is held in the storage unit 74, a predetermined time is set in the timer unit 72, and the timer unit 72 is started to operate (step S106).

  Next, the group confirmation unit 73 stands by until the change request receiving unit 71 receives a change request including the target parameter belonging to the group (NO in step S108 and NO in step S110), and all the target parameters belonging to the group are checked. If a timeout occurs before the change request is accepted (NO in step S108 and YES in step S110), the following processing is performed.

  That is, the group confirmation unit 73 discards the target parameter held in the storage unit 74 (step S112).

  On the other hand, when the change request accepting unit 71 accepts a change request including the target parameter belonging to the group before the timeout occurs (NO in step S110 and YES in step S108), the group confirmation unit 73 is included in the change request. Get the target parameter.

  If all target parameters belonging to the group are not complete (NO in step S104), the group confirmation unit 73 holds the acquired target parameters in the storage unit 74, sets a predetermined time in the timer unit 72, The timer unit 72 is started to operate (step S106).

  On the other hand, when all target parameters belonging to the group are not complete (YES in step S104), the group confirmation unit 73 outputs each target parameter held in the storage unit 74 to the consistency confirmation unit 76. When the consistency confirmation unit 76 receives each target parameter from the group confirmation unit 73, the consistency confirmation unit 76 confirms the consistency of values between the received target parameters (step S114).

  The consistency confirmation unit 76 outputs each target parameter to the setting unit 75 when the value consistency between the target parameters satisfies a predetermined condition (YES in step S116).

  Next, upon receiving each target parameter from the consistency confirmation unit 76, the setting unit 75 sets each received target parameter in the setting file 51 (step S118).

  On the other hand, if the consistency of the values between parameters does not satisfy the predetermined condition (NO in step S116), for example, the consistency confirmation unit 76 outputs an error notification to the plug-in 13 via the error output unit 77 (step S120). ).

  On the other hand, when determining that the parameter included in the change request received by the change request receiving unit 71 is not a target parameter belonging to the group (NO in step S102), the group confirmation unit 73 outputs the parameter to the setting unit 75.

  Next, when receiving a parameter from the group confirmation unit 73, the setting unit 75 sets the received parameter in the setting file 51 (step S118).

[Example 2: Network setting from WAN side]
Referring to FIG. 1 again, for example, there is a case where it is desired to perform network setting of HGW 101 from server 151. At this time, it is assumed that the communication between the server 151 and the HGW 101 is performed in accordance with a protocol defined in TR-069 (Non-patent Document 3), for example.

  In TR-069, the server 151 and the HGW 101 are referred to as ACS and CPE (Customer Premises Equipment), respectively.

  FIG. 7 is a diagram illustrating an example of a sequence in which the server and the HGW according to the embodiment of the present invention transmit and receive messages.

  When changing a parameter set in the HGW 101, the server 151 designates a path name and a value for the parameter to be changed using, for example, a SetParameterValues method defined in TR-069, and transmits the change request to the HGW 101. (Step S12). The node in the tree-structured data model is specified by the path name for the parameter to be changed.

  When receiving the change request from the server 151, the HGW 101 acquires the path name and value of the data model included in the received change request, and performs processing based on the acquired path name and value (step S14).

  When the HGW 101 suspends setting the acquired path name and value in the data model, the HGW 101 transmits “provisional OK” to the server 151 (step S16). Note that the HGW 101 transmits “OK” to the server 151 when setting the acquired path name and value in the data model without deferring.

  For example, assume that the server 151 changes the values of automatic address acquisition on or off, the IP address of the HGW 101, the subnet mask, and the gateway IP address.

  Specifically, the server 151 uses the SetParameterValues method to send a change request to the HGW 101 to turn on or off automatic address acquisition, and to change parameter values of the IP address, subnet mask, and gateway IP address.

  At this time, for example, the server 151 generates a plurality of change requests for each value of automatic address acquisition on / off, IP address, subnet mask, and gateway IP address, and transmits the generated plurality of change requests to the HGW 101.

  The server 151 may generate, for example, one change request including all the values of automatic address acquisition on / off, IP address, subnet mask, and gateway IP address, and transmit the generated change request to the HGW 101. .

  In addition, the server 151 may transmit parameters to the HGW 101 without checking the consistency of values between parameters. In this case, there is a possibility that communication between the server 151 and the HGW 101 may become impossible at the timing when an incorrect setting is made for the HGW 101, which is not preferable.

  On the other hand, the ACS processing unit 53 according to the embodiment of the present invention avoids setting a parameter whose consistency has not been confirmed with the following configuration.

[Configuration of ACS processing unit]
FIG. 8 is a diagram showing a configuration of an ACS processing unit in the HGW according to the embodiment of the present invention.

  Referring to FIG. 8, ACS processing unit 53 includes change request receiving unit 171, timer unit 172, group confirmation unit 173, storage unit 174, setting unit 175, consistency confirmation unit 176, and error output. Part 177.

  The storage unit 174 holds, for example, information on one or more groups. The group information includes the type ID of the target parameter that is a parameter belonging to the group and whose value should be checked for consistency. The storage unit 174 temporarily holds parameters.

  The change request receiving unit 171 receives a change request including a parameter to be set in its own HGW 101 from the server 151 via the network 111, that is, receives the change request from the server 151 via the network 111. The change request may include some or all of the target parameters. The change request reception unit 171 outputs the parameters included in the received change request to the group confirmation unit 173.

  When the group confirmation unit 173 receives a parameter from the change request reception unit 171, the group confirmation unit 173 refers to the group information held by the storage unit 174, and the received parameter type ID is assigned to the group as a parameter that requires value consistency confirmation. It is determined whether or not the ID of the type of the target parameter to which it belongs.

  For example, when the group confirmation unit 173 determines that the received parameter type ID does not correspond to the target parameter type ID, the group confirmation unit 173 outputs the received parameter to the setting unit 175.

  On the other hand, for example, when the group confirmation unit 173 determines that the received parameter type ID corresponds to the target parameter type ID, the group confirmation unit 173 holds the received parameter in the storage unit 174 and sets the timer unit 172 for a predetermined time-out. The time is set and the timer unit 172 starts operating.

  For example, each time the group confirmation unit 173 receives a target parameter belonging to the group, the group confirmation unit 173 resets the timer unit 172 for a predetermined time and causes the timer unit 172 to start operating. Note that the group confirmation unit 173 may set a predetermined time in the timer unit 172 only when the target parameter belonging to the group is first received, and cause the timer unit 172 to start operation.

  When the set time elapses, the timer unit 172 outputs a timer expiration notification to the group confirmation unit 173.

  For example, when the group confirmation unit 173 confirms that a request for changing all target parameters belonging to the group has been received before receiving the timer expiration notification from the timer unit 172, the group confirmation unit 173 stops the operation of the timer unit 172, and All target parameters belonging to the group held in 174 are output to the consistency checking unit 176.

  In addition, for example, when the group confirmation unit 173 receives a timer expiration notification from the timer unit 172 before receiving a request for changing all target parameters belonging to the group, the group confirmation unit 173 performs a timeout process.

  Specifically, for example, the group confirmation unit 173 discards the target parameter held in the storage unit 174, and outputs an error notification indicating that a timeout has occurred to the error output unit 177.

  When the consistency confirmation unit 176 receives the target parameter from the group confirmation unit 173, the consistency confirmation unit 176 confirms the consistency of the values between the received target parameters. For example, if the value consistency between the target parameters satisfies a predetermined condition, that is, if there is a value consistency between the target parameters, the consistency check unit 176 outputs the parameters to the setting unit 175.

  For example, when the consistency of values between target parameters does not satisfy a predetermined condition, the consistency confirmation unit 176 outputs an error notification indicating that there is a problem with the consistency of values to the error output unit 177.

  When receiving the parameters from the group confirmation unit 173 and the consistency confirmation unit 176, the setting unit 175 sets the received parameters in the setting file 51.

  Upon receiving an error notification from the group confirmation unit 173 and the consistency confirmation unit 176, the error output unit 177 transmits the received error notification to the server 151 via the network 111.

  Referring to FIG. 2 again, the setting file 51 holds parameters used in the HGW 101, for example. For example, the OS 21 reads a parameter from the setting file 51 as a network setting parameter on the WAN side of its own HGW apparatus 101, and sets the read parameter in its own HGW apparatus 101.

  Since the operation of ACS processing unit 53 is the same as the operation of API function unit 52, detailed description will not be repeated.

  By the way, for example, parameters necessary for the HGW 101 to establish a communication connection with a device on the network 111 side include ON / OFF of automatic address acquisition, an IP address of the HGW 101, a subnet mask, and a gateway IP address. When setting these parameters, it may be necessary to check consistency between a plurality of parameters.

  Specifically, for example, when the automatic address acquisition is set to OFF, if the values of the IP address, subnet mask, and gateway IP address of the HGW 101 remain null, the network setting becomes inappropriate.

  If such an inappropriate network setting is made, the HGW 101 may not be able to communicate with a device on the network 111 side. In addition, complicated processing may be required to perform appropriate network settings.

  On the other hand, in the communication apparatus according to the embodiment of the present invention, the change request receiving unit 71 is a parameter belonging to the parameter group whose consistency should be confirmed among the parameter groups to be set in the own HGW 101. A change request including a part or all of the target parameter and requesting a change in the value of the parameter is accepted. The group confirmation unit 73 retains the target parameters included in the change request received by the change request reception unit 71, and checks whether change requests for all target parameters belonging to the group have been received. When the group confirmation unit 73 confirms that the request for changing all the target parameters belonging to the group has been accepted, the consistency confirmation unit 76 confirms the consistency of values among the target parameters belonging to the group. The setting unit 75 sets each target parameter whose consistency has been confirmed by the consistency confirmation unit 76 in its own HGW 101.

  In this way, when a change request for all target parameters belonging to the group is accepted and the consistency of the values between the target parameters is confirmed, the configuration in which the target parameters are set in the HGW 101 is necessary for communication. A plurality of parameters can be set appropriately and stable operation can be performed.

  Thereby, for example, it is possible to avoid an inappropriate network setting for the HGW 101, and therefore it is possible to avoid a situation in which the HGW 101 cannot communicate with the apparatus on the network 111 side. Further, it is possible to eliminate a complicated process for setting an appropriate network.

  Moreover, in the communication apparatus according to the embodiment of the present invention, the group confirmation unit 73 performs a timeout process when there is a change request that has not been received within a predetermined time among all the change requests for the target parameters belonging to the group. , Discard the target parameter to be retained.

  In this way, with a configuration in which a time limit is set for processing to wait until a request for changing all target parameters belonging to the group is accepted, target parameters that are unlikely to be all collected are retained and discarded as unnecessary data Therefore, the memory usage efficiency can be improved.

  Moreover, in the communication apparatus according to the embodiment of the present invention, the consistency confirmation unit 76 outputs an error when the consistency of values between the target parameters belonging to the group does not satisfy the condition.

  With such a configuration, it is possible to notify that there is no consistency between the target parameters, for example, before making an inappropriate setting in the HGW 101.

  In the communication apparatus according to the embodiment of the present invention, the HGW 101 holds the DMT 14 that is a tree-structured data model including the parameter identifier, and is requested to change the parameter value corresponding to the identifier included in the DMT 14. Then, the plug-in 13 corresponding to the identifier is activated, and the activated plug-in 13 outputs a change request including a parameter corresponding to the identifier to the change request receiving unit 71. Then, the change request receiving unit 71 receives a change request from the plug-in 13.

  With such a configuration, even in a configuration in which parameters are set via the plug-in 13, it is possible to appropriately set parameters for the HGW 101 after confirming consistency between target parameters.

  Further, in the communication apparatus according to the embodiment of the present invention, the change request receiving unit 171 includes the target parameter that is a parameter belonging to the parameter group to be checked for consistency among the parameter group to be set in the own HGW 101. A change request for requesting a change in the value of a parameter, including part or all of the parameter, is accepted. The group confirmation unit 173 holds the target parameter included in the change request received by the change request reception unit 171 and checks whether a change request for all target parameters belonging to the group has been received. When the group confirmation unit 173 confirms that the change request for all target parameters belonging to the group has been received, the consistency confirmation unit 176 confirms the consistency of values among the target parameters belonging to the group. The setting unit 175 sets each target parameter whose consistency has been confirmed by the consistency confirmation unit 176 in its own HGW 101.

  In this way, when a change request for all target parameters belonging to the group is accepted and the consistency of the values between the target parameters is confirmed, the configuration in which the target parameters are set in the HGW 101 is necessary for communication. A plurality of parameters can be set appropriately and stable operation can be performed.

  Thereby, for example, it is possible to avoid an inappropriate network setting for the HGW 101, and therefore it is possible to avoid a situation in which the HGW 101 cannot communicate with the apparatus on the network 111 side. Further, it is possible to eliminate a complicated process for setting an appropriate network.

  In the communication device according to the embodiment of the present invention, the group confirmation unit 173 performs a timeout process when there is a change request that has not been received within a predetermined time among all the change requests for the target parameters belonging to the group. , Discard the target parameter to be retained.

  In this way, with a configuration in which a time limit is set for processing to wait until a request for changing all target parameters belonging to the group is accepted, target parameters that are unlikely to be all collected are retained and discarded as unnecessary data Therefore, the memory usage efficiency can be improved.

  Further, in the communication apparatus according to the embodiment of the present invention, the consistency check unit 176 outputs an error when the value consistency between the target parameters belonging to the group does not satisfy the condition.

  With such a configuration, it is possible to notify that there is no consistency between the target parameters, for example, before making an inappropriate setting in the HGW 101.

  In the communication apparatus according to the embodiment of the present invention, the HGW 101 is configured to include the API function unit 52 and the ACS processing unit 53, but the present invention is not limited to this. The HGW 101 may be configured to include one of the API function unit 52 and the ACS processing unit 53.

  In the communication apparatus according to the embodiment of the present invention, the API function unit 52 and the ACS processing unit 53 are configured to check the consistency of parameters for performing network settings on the WAN side. It is not limited to. For example, the API function unit 52 and the ACS processing unit 53 may be configured to check the consistency of the LAN-side network settings or other settings.

  The above embodiment should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

11 Web UI application 12 DMT Admin
13 Plug-in 14 DMT
21 OS
22 Java virtual machine 23 OSGi FW
24 bundle group 31 LAN interface unit 34 WAN interface unit 51 setting file 52 API function unit 53 ACS processing unit 62 native program group 71,171 change request reception unit 72,172 timer unit 73,173 group confirmation unit 74,174 storage unit 75 , 175 Setting unit 76, 176 Consistency confirmation unit 77, 177 Error output unit 101 HGW
111 Network 151 Server 161 Device 301 Communication System

Claims (6)

A change request for requesting a change in the value of the parameter, including part or all of the target parameters that belong to the parameter group to be checked for consistency among the parameter group to be set in the own communication device , A change request accepting unit that accepts
A group confirmation unit that holds the target parameter included in the change request received by the change request reception unit and confirms whether the change request of all the target parameters belonging to the group has been received;
When the group confirmation unit confirms that the change request for all the target parameters belonging to the group has been accepted, the consistency confirmation for confirming the consistency of values among the target parameters belonging to the group And
A communication apparatus comprising: a setting unit configured to set each target parameter whose consistency has been confirmed by the consistency confirmation unit in the communication apparatus of its own.   When there is the change request that has not been accepted within a predetermined time among the change requests of all the target parameters belonging to the group, the group confirmation unit discards the target parameter to be held as a timeout process, The communication apparatus according to claim 1.   The communication device according to claim 1, wherein the consistency check unit outputs an error when value consistency between the target parameters belonging to the group does not satisfy a condition. The communication device holds a data model having a tree structure including an identifier of the parameter, and when a change in the value of the parameter corresponding to the identifier included in the data model is requested, a plug-in corresponding to the identifier Is activated, and the activated plug-in outputs the change request including the parameter corresponding to the identifier to the change request receiving unit,
The communication apparatus according to any one of claims 1 to 3, wherein the change request receiving unit receives the change request from the plug-in. A communication method used in a communication device,
A change for requesting a change in the value of the parameter, including a part or all of the target parameters that belong to the parameter group to be checked for consistency among the parameter group to be set in the communication apparatus of its own Accepting the request, and
Holding the target parameter included in the received change request, and confirming whether the change request of all the target parameters belonging to the group has been received;
Confirming that the change request of all the target parameters belonging to the group has been accepted, checking the consistency of values among the target parameters belonging to the group;
And setting each target parameter whose consistency has been confirmed in its own communication device. A communication program used in a communication device,
On the computer,
A change for requesting a change in the value of the parameter, including a part or all of the target parameters that belong to the parameter group to be checked for consistency among the parameter group to be set in the communication apparatus of its own Accepting the request, and
Holding the target parameter included in the received change request, and confirming whether the change request of all the target parameters belonging to the group has been received;
Confirming that the change request of all the target parameters belonging to the group has been accepted, checking the consistency of values among the target parameters belonging to the group;
A communication program for executing the step of setting each of the target parameters whose consistency has been confirmed in the communication device.

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