CN105074661B

CN105074661B - Electronic equipment and script generation device

Info

Publication number: CN105074661B
Application number: CN201480017483.4A
Authority: CN
Inventors: 高泽刚
Original assignee: Yamaha Corp
Current assignee: Yamaha Corp
Priority date: 2013-03-22
Filing date: 2014-03-19
Publication date: 2018-12-11
Anticipated expiration: 2034-03-19
Also published as: WO2014148581A1; CN105074661A; JP2014186432A; JP6064720B2

Abstract

The present invention is in order to solve the problems: even if can be also extended using Function Extension script to the function of electronic equipment when the user of electronic equipment does not have the knowledge about scripting language and debugging.The electronic equipment is provided with: script execution device, is used to execute to the script of defined scripting language；And customize device, it is used to obtain the exemplary sample script that the treatment process description for realizing the new function in electronic equipment is indicated with the scripting language, and for customization corresponding with the set content for realizing functional parameter special in electronic equipment to be applied to the script got, to generate the Function Extension script for the equipment and be stored to it.The script execution device customizes Function Extension script caused by device for executing.

Description

Electronic equipment and script generation device

Technical field

The present invention relates to a kind of technologies of Function Extension for realizing electronic equipment.

Background technique

In the relay of such as router, according to being referred to as the program of firmware to control unit (such as central processing Unit (CPU)) operated with realize data transmission control.Therefore, when execution is for being assigned to such relaying for new function When the Function Extension of device, it is often necessary to be updated to firmware.However, in recent years, it has been proposed that for not updating Many different technologies of Function Extension are realized in the case where firmware.For example, executing Function Extension script not by computer Function Extension is realized in the case where updating firmware, describes to make to calculate using scheduled scripting language in the Function Extension script The treatment process of machine (such as control unit of relay) realization new function.Patent document 1 discloses a kind of by interaction use Family interface is to the technology that be easy to carry out definition by the task of computer automatic execution.

Reference listing

Patent document

Patent document 1:JP-T-1998-500510

Summary of the invention

Technical problem

When using the Function Extension of Function Extension script execution relay, during the user of relay must prepare to make The Function Extension script of expectation function is realized after device, and the Function Extension script is for example created by user oneself.So And for ordinary user, creation Function Extension script is typically more difficult.This is because creating the Function Extension script Need the scripting language knowledge or algorithm knowledge for describing the Function Extension script.

The description example (hereinafter referred to as sample script) to the Function Extension script for using scripting language has also been proposed It is issued, without the Function Extension of relay can be executed in the extension script of write-in functions at the beginning.This is because Relaying dress is obtained when rewriting according to the set content of each relay to the sample script issued in the above described manner The Function Extension script set.However, rewriting sample foot according to the set content of each relay for ordinary user This meeting is more difficult, and for ordinary user, executes and expands about the function of being verified rewriting sample script and create Exhibition script whether realizes expectation function or whether to produce the debugging task of unexpected problem equally more difficult.This is not It is the problem for having the relay of script execution function peculiar, but has the function of script execution and using Function Extension Script realizes the shared problem of the electronic equipment of its Function Extension.

The present invention is carried out in view of the above problems, and it is an object of the present invention to provide a kind of technology, even if user does not have about script When language or the knowledge of debugging, which can also make that there is the user of the electronic equipment of script execution function to utilize Function Extension Function Extension of the script execution to the electronic equipment.

Solution to problem

In order to solve described problem, the present invention provides a kind of electronic equipment comprising for according to preset parameter It realizes that the device of the distinctive function of the electronic equipment, the electronic equipment include: script execution device, is used for pre- to utilizing Script described in fixed scripting language is executed；And device is customized, it is used to obtain sample script, the sample foot This indicates the description example for the treatment process for making the electronic equipment realize new function using the scripting language, and described Device is customized to be used for the sample script execution according to the customization of the setting content of the parameter, to generate for described The Function Extension script of electronic equipment, wherein the script execution device executes the function of being generated by the customization device Extend script.

The specific example of the electronic equipment may include a kind of relay, and the relay includes transmission control dress It sets, as the device for realizing the distinctive function of described device, according to preset parameter to from the first communication network The data for being transmitted to another communication network with any one in the second communication network execute transmission control；Also, in described After device further include for using predetermined scripts language description script carry out execution script executive device, and customize Device, be used to obtain the treatment process for making the relay realize new function as the description example for using scripting language Sample script, and customization is executed according to the set content of parameter that the transmission control to sample script is defined, with The Function Extension script for being used for relay is generated, makes the script execution device to function caused by customization device wherein Script can be extended to be executed.In such relay, customization sample script is executed to generate use by the relay In the processing of the Function Extension script of relay.Therefore, the user of relay is without rewriting sample script, therefore even if works as When user does not have knowledge and debugging technical ability about scripting language or algorithm, special problem there will not be.Also it is contemplated that Following aspect is as another embodiment for solving the above problems: providing a kind of program, makes the control of relay Unit serves as each device as described above.Patent document 1 discloses a kind of for passing through interaction user interface to by computer Executing automatically for task carries out the technology of convenient definition, but technology disclosed in patent document 1 is not used to customization sample Script is to generate the technology of Function Extension script, therefore the invention that it is and the present invention is entirely different.

Incidentally, the character string of annotation (taking down notes for the reader of the source code of Function Extension script) is indicated (referred to below as For note string) it may include in sample script, the annotation is for the function of being created by customizing sample script Request setting new parameter before extension script is executed.User must manually customize such sample script, to produce Raw Function Extension script, it is necessary to delete note string at the customization moment that electronic equipment carries out the execution, and must be Parameter setting is executed according to annotation represented by note string before starting to execute Function Extension script.Therefore, work as sample It include the new ginseng of request setting before being executed to the Function Extension script created by customization sample script in script When several note strings, it can make to customize device and execute the processing for deleting the note string in customization, Yi Ji New ginseng is set before executing in script execution device to Function Extension script according to annotation represented by note string Several processing.According to such aspect, though when user do not have about the knowledge of scripting language or algorithm, adjustment Skill and When the knowledge of (such as setting of new parameter) is arranged in environment, user also can use the realization of Function Extension script and be used user Electronics Function Extension.

In addition, one of sample script specific description aspect may include such aspect: to about each parameter not With identifier (for example, character string) parameter that is described, rather than describes for realizing electronic equipment distinctive function Value or according to the parameter quote some value position setting content and determination new parameter value.When user is to such When sample script is manually customized and produces Function Extension script, the value that identifier is replaced with to parameter is had been carried out Task.In order to automatically generate Function Extension script from such sample script, can make to customize as device execution Processing: it gets parms and defines data and sample script, the parameter definition data are included within the identifier in sample script It is associated with parameter represented by the identifier；And the content according to parameter definition data, it is included within acquired Identifier in sample script is rewritten as the value of parameter represented by the identifier to generate Function Extension script.

In addition, when the different calculation methods for indicating the value for new parameter a variety of data can with correspond to new parameter When identifier is associated, the customization device can be made to calculate using any one in a variety of calculation methods newly The value of parameter, wherein the new parameter be according in parameter definition data for realizing the parameter of the distinctive function of electronic equipment Set content and determine.For example, the example of a variety of calculation methods can be to relaying when electronic equipment is relay The parameter that centers is filled to carry out being compared to each other and calculate based on comparative result the method for (or specifying) new parameter value or be pair It is analyzed by the data communication flow that relay executes and calculates the aspect of (specified) new parameter value.Even if when can not root When value according to the relationship between each parameter set in relay to specify new parameter, it is also contemplated that data communication flow is come The value of specified parameter.Therefore, according to present aspect, it is anticipated that can reduce completely can not calculate the value of new parameter The generation frequency of this problem.

In order to solve described problem, the present invention provides a kind of script generation device comprising: acquisition device is used for Realize that special functional electronic equipment is communicated with according to preset parameter on communication network, and described for obtaining Parameter, the electronic equipment are had to the function of being executed using script described in scheduled scripting language；And it generates Device, the customization to sample script execution parameter according to acquired in the acquisition device are used for the electronics to generate The Function Extension script of equipment, the sample script indicate that the electronic equipment is made to realize new function using the scripting language Treatment process description example.

According to such aspect, even if being held when user does not have the knowledge about scripting language or debugging with script Function Extension script can also be used simply to execute the Function Extension of electronic equipment in the user of the electronic equipment of row function.Separately Outside, the specific example of script generation device can be sample script distributing device comprising is stored and is incited somebody to action to sample script The sample script is distributed to the storage unit of electronic equipment by communication network.For example, sample script distributing device executes hair The processing of cloth Function Extension script, the Function Extension script are to work as to get from electronic equipment for realizing the electronic equipment It is generated and the parameter is replaced with sample script when special functional parameter, and is got according to from electronic equipment Parameter come to sample script execution customize.In addition, being in when the electronic equipment is relay (for example, router) Terminal installation under relay control can serve as the role of script generation device.Specifically, the terminal installation is executed It handles: the sample script execution obtained via relay being customized below according to the parameter got from relay, To generate the Function Extension script for being used for relay；And the Function Extension script is assigned to the relay.Separately Outside, it is contemplated that such a aspect has been issued a kind of program and come so that general purpose computer as another aspect of the present invention (such as personal computer) serves as acquisition device and generation device.

Detailed description of the invention

Fig. 1 be show include relay 10 as the embodiment of electronic equipment according to the present invention communication system The diagram of 1 configuration example.

Fig. 2A is the exemplary diagram for showing the sample script being stored in sample script distributing device 20.

Fig. 2 B is to show the exemplary diagram that the sample script in Fig. 2A is rewritten as to Function Extension script.

Fig. 2 C is to show the exemplary diagram of setting for making the script of the Function Extension in Fig. 2 B realize function.

Fig. 3 A is the block diagram for showing the configuration example of relay 10.

Fig. 3 B is the block diagram for showing each functional block of relay 10.

Fig. 4 is shown in the aobvious of the computer installation for executing a variety of different setting tasks about relay 10 Show the exemplary diagram of setting menu screen shown on unit.

Fig. 5 is the flow chart for showing the flow example of customization.

Fig. 6 is the exemplary diagram for showing the communication sequence in communication system 1.

Fig. 7 is the process flow for being shown as being assigned in the communications status monitoring function of the new function of relay 10 Flow chart.

Specific embodiment

The embodiment of the present invention is described next, with reference to attached drawing.

Fig. 1 be show include one embodiment of the present of invention relay (electronic equipment) 10 communication system 1 The block diagram of configuration example.The communication system 1 is for the information system in such as company.By total by what is provided in corporate HQ Portion end Local Area Network) and branch of company in the branch end LAN that provides be connected to wide area network (such as internet) and come to communication system System 1 is configured.As shown in Figure 1, general headquarters end LAN is connected to wide area network, branch end LAN via relay (such as router) Wide area network is connected to via relay 10.

Relay 10 is, for example, router, and to the personal computer PC 1 or PC2 that are connected to branch end LAN with Be connected to www server device or be connected between the PC3 of the general headquarters end LAN being connect with internet according to transmission control protocol/ The data that Internet protocol (TCP/IP) sends and receives carry out transmission control.In relay 10, according to firmware to including The control unit of CPU etc. is operated to realize transmission control.In addition, relay 10 has to the scheduled scripting language of utilization The script that (by Lua in the present embodiment) is write as carries out execution script and executes function.Therefore, the user Ke Tong of relay 10 Crossing makes relay 10 execute Function Extension script to execute the Function Extension to relay 10, in the Function Extension script The middle treatment process described using above-mentioned scripting language for making relay 10 realize new function.In the present embodiment, it adopts Use Lua as scripting language, this is because compared with other scripting languages of such as perl or Java (registered trademark) etc, Lua has the processing load of smaller script execution processing, and is suitble to be incorporated in router.

The user (for example, an operation manager of branch end LAN) of relay 10 can be by from the sample for being connected to wide area network This script distributing device 20 is downloaded to obtain the exemplary sample script of description as Function Extension script.Sample script hair Cloth apparatus 20 is the www server device for being operated and being managed by the company for manufacturing and selling relay 10.The progress The sample script that the company of manufacture and sale is created has been stored in advance in sample script distributing device 20.Fig. 2A is to show It is stored in the exemplary diagram of the sample script in sample script distributing device 20.In this sample script, to for indicating The identifier of parameter is described, rather than describes the parameter and referring to determine the Data Transmission Controlling in relay Justice a variety of different parameters position at particular value (for example, LAN interface number range or be assigned in the LAN The range of the IP address of personal computer under Interface Controller is (for example, mailing address is assigned to every personal computer by DHCP When DHCP scope setting number)).

For example, in the sample script shown in Fig. 2A, to identifier " PRM_STR_SWITCH_USING_LAN_IFNUM " It is described, rather than the LAN of the communications interface unit to the LAN interface and realization exchange control function that serve as local area network side Interface index is described.In addition, the identifier " PRM_NUM_DHCP_SCOPE_LANIF1 " in the sample script of Fig. 2A indicates Number is arranged in the DHCP scope of the LAN interface of local area network side.In addition, identifier in sample script shown in Fig. 2A " Each behavior note string below CFG@" is used to request user to execute by each before executing Function Extension script The represented parameter setting of row.

Therefore, in sample script, the identifier for indicating a variety of different parameters is described, rather than description defines The particular value of each parameter of Data Transmission Controlling, and may include the note string for requesting user's extra setup parameter, such as scheme Shown in 2A.Therefore, it cannot function as Function Extension script by relay from the sample script that sample script distributing device 20 obtains 10 directly execute.In general, the user of relay 10 should execute: using text editor by each mark in sample script Symbol replaces with the task of the value of relevant parameter or deletes note string and to parameter represented by the note string Additionally being arranged for task.

For example, when the LAN interface for serving as local area network side and realizing that the LAN for exchanging the communications interface unit of control function connects Mouthful number is the setting number of the DHCP scope of the LAN interface of " 1 " and local area network side when being " 5 ", should be executed such Task: sample script is rewritten as Function Extension script shown in Fig. 2 B, and the additional write-in relaying of setting shown in fig. 2 C is filled It sets in 10 setting file.However, it is more difficult to execute this task as described above for ordinary user.Another party Face, in the present embodiment, by making relay 10 execute what basis was defined the Data Transmission Controlling in relay Parameter rewrites the processing of sample script, or executes to indicated by the deletion of note string and the note string The processing being additionally arranged, to solve the above problems.

In the following, main description significantly to be shown to the relay 10 of the present embodiment feature.

As shown in Figure 3A, relay 10 includes control unit 100, the first communication interface (being abbreviated as " I/F " below) list Member 110, second communicates I/F unit 120, external device (ED) I/F unit 130, storage unit 140 and between said modules Data exchange is relayed the bus 150 of (relay).Control unit 100 is CPU, and is executed (more smart in storage unit 140 Really, including the non-volatile memory cells 144 in storage unit 140) in store program to serve as relay 10 Control centre.In the present embodiment, firmware as relay 10 will be stored in advance in non-volatile memory cells 144 Two kinds of programs: communication control program 144a and Function Extension program 144b is described more fully below.

First communication I/F unit 110 is network interface card (NIC), and is connected to the branch end LAN of Fig. 1.First communication I/ F cell 110 receive to the packet sent from branch end LAN and the packet is passed to control unit 100, and will be from control The packet that unit 100 transmits is sent to branch end LAN.It is similar with the first communication I/F unit 110, the second communication I/F unit 120 For NIC, and it is connected to wide area network.The second communication I/F unit 120 carries out reception to the packet sent from wide area network and will be described Packet passes to control unit 100, and will be sent to wide area network from the received packet of control unit 100.

External device (ED) I/F unit 130 and such as exterior storage medium (for example, universal serial bus (USB) memory) or Person executes data exchange according to the external device (ED) of the serial console of predetermined protocol (USB or RS-232C) etc.For example, working as USB Memory is as external device (ED) in use, external device (ED) I/F unit 130 can be made of USB interface；When serial console is as outer Part device is in use, external device (ED) I/F unit 130 can be made of the serial line interface of such as RS-232C interface etc.External device (ED) I/F unit 130 specifies a variety of different instructions or data from the external device (ED) for being connected to external device (ED) I/F unit 130 To relay 10.

As shown in Figure 3A, storage unit 140 includes volatile memory cell 142 and non-volatile memory cells 144.Easily The property lost storage unit 142 is, for example, random access memory (RAM), and when executing a variety of different programs, control unit 110 will It is used as mission area.In addition, when executing Data Transmission Controlling referenced data (for example, routing table) be stored in it is volatile In property storage unit 142.On the other hand, non-volatile memory cells 144 are hard disk or flash memory.In addition to above-mentioned communication control Except processing procedure sequence 144a and Function Extension program 144b, it is also stored in non-volatile memory cells 144 and is utilizing browser For indicating html data (being not shown in Fig. 3 A), the Yi Jishe of setting menu screen when executing the operation setting of relay 10 File 144c is set, as shown in Figure 3A.In addition, when serial console is connected to external device (ED) I/F unit 130 and by about serial The operation of console is come when executing operation setting, it is not necessary that html data to be stored in non-volatile memory cells 144.

Fig. 4 is the exemplary diagram for showing the setting menu screen in the present embodiment.By making browser to from relaying The html data that device 10 is downloaded explains, to Fig. 4 institute on the display unit of the personal computer as downloading destination The setting menu screen shown is shown.In setting menu screen shown in Fig. 4, visual buttons can be clicked by using mouse B01, B02 and B03 come to setting menu screen minimum, maximization and closing indicate, such as general browser screen In like that.

In the region A01 of setting menu screen shown in Fig. 4, setting project related with communication control function is carried out Arrangement, the communication control function are realized by the control unit 100 of relay 10 according to communication control program 144a.For Instruction control unit 100 is associated for example to change the link information of parameter with each setting project.It is shown in Fig. 4 to set It sets in menu screen, for example, clicking setting project by using mouse, can indicate control unit 100 to change setting project simultaneously The parameter is updated, as in general browser screen.

In the region A02 of setting menu screen shown in Fig. 4, shown using iframe (inline frame) etc. For realizing the Function Extension menu of the Function Extension of relay 10.More specifically, according to from sample script distributing device 20 The html data of downloading shows that the data are divided with the html data downloaded from relay 10 to Function Extension menu From.For indicating that the html data of the Function Extension menu of the sample about Function Extension script is stored in sample script publication dress It sets in 20, the sample of the Function Extension script can be issued by sample script distributing device 20.In addition, will be used to indicate clear The link information that device is downloaded the html data of Function Extension menu of looking at is embedded into be deposited in the non-volatile of relay 10 In the html data stored in storage unit 144, the browser is the downloading destination of html data.It is downloaded from relay 10 The personal computer that the html data of menu screen is arranged is believed according to the link in the html data for being embedded in setting menu screen Breath carrys out the html data from 20 download function expanded menu of sample script distributing device, and in response to the acquisition of the html data To be shown to setting menu screen shown in Fig. 4.Therefore, when the company for manufacturing and selling relay 10 starts to new sample When this script is issued, the said firm the sample script can be stored in sample script distributing device 20 and by instruction with The sample script related information updates the html data of Function Extension menu, and the user of relay 10 can be made to exist It does not update storage the html data (html data of setting menu screen) in relay 10 or is filled without updating relaying The case where setting 10 firmware is got off using new function.

For the Function Extension script that can be issued by sample script distributing device 20 each sample (that is, can expand Open up function), it shows for making user specify whether the user uses in the Function Extension menu shown by the region A02 of Fig. 4 The detailed description of the radio button of the function and the function.By make control unit 100 realize extension function be directed to Function Extension The link information of the sample of script is associated with the specified radio button for using the extension function of user is made.For example, passing through Radio button is clicked using mouse, can indicate to be downloaded sample script.And the operation about Function Extension menu It is indicated as downloading the personal computer of the sample script about new function according to link information to sample script distributing device 20 It accesses and downloads sample script.In addition, sample script is sent to the HTML of setting menu screen by the personal computer The issue source (in the present embodiment, relay 10) of data, and indicate customizing and executing the sample script.

By the specific setting value for many kinds of parameters being defined to the Data Transmission Controlling in relay 10 (on for example, The LAN interface number stated) and indicate that setting file 144c is written in the identifier of the parameter in association.In addition, when needing It, can be by the mark of the setting value of the new parameter and the expression parameter when being set before executing Function Extension script to new parameter Know symbol and is attached to setting file 144c in association.Communication control program 144a is so that control unit 100 is arranged according to write-in The many kinds of parameters of file 144c executes the program of transmission control processing, and transmission control processing execution is to from branch end LAN The transmission control carried out with the data for being sent to another LAN of a LAN in general headquarters end LAN.Control unit 100 serves as transmission Control device (Fig. 3 B) starts to execute communication control program 144a in response to powering on for relay 10, then executes biography Defeated control processing.Since the transmission control processing executed according to communication control program 144a has no with router in the prior art Special difference, therefore its detailed description will be omitted.

Function Extension program 144b is the program for making control unit 100 execute customization and script execution processing.? In the present embodiment, powering on and starting for relay 10 is also responded to the execution of Function Extension program 144b.Control unit 100 Function Extension program 144b is executed, to serve as the customization device for executing customization and serve as perform script The script execution device of processing is executed, as shown in Figure 3B.

Customization be in response in from the lower personal computer reception sample script of relay control and with The pairs of parameter definition data of the sample script and start execute processing.Parameter definition data are together with sample script from sample The data that this script distributing device 20 is issued, and be included in the sample script issued together with parameter definition data The data that identifier is associated with each parameter being stored in setting file 144c.This parameter definition data are specifically shown Example includes such data, by identifier included in sample script be associated with to parameter represented by the identifier The identifier in setting file 144c is written in specific setting value in association.

In customization, identifier that control unit 100 will include in sample script according to parameter definition data The parameter value being stored in setting file 144c is replaced with, to generate the Function Extension script for being used for relay, and will be described Function Extension script is stored in non-volatile memory cells 144.In addition, when including for requesting to new ginseng in sample script When note string (in the example shown in Fig. 2A, every a line) below CHG that number is configured, control unit 100 It is executed according to note string: the new parameter being attached to the processing of setting file 144c and is replaced with from by identifier The processing of note string is deleted in the script of parameter.

The value for the alternative parameter identifier in customization is obtained using such as application programming interfaces (API). API can extract the value of the parameter stored in setting file 144c and directly use, or can be to extracted ginseng Several values executes any processing to obtain and use the new value of the parameter.The replacement of parameter identifier will be carried out referring to Fig. 5 Description.Search parameter identifier (for example, the character string started with " PRM_ ") (S10) in sample script of control unit 100.When When control unit 100 finds parameter identifier (S20: yes), control unit 100, which is executed, corresponds to the parameter identification for obtaining The API of the value of symbol, to obtain the value (S30).Corresponding parameter identifier is replaced with the value got by control unit 100 (S40), and S10 is returned to re-search for another parameter identifier.This operation is repeated, when control unit 100 can not When finding parameter identifier (S20: no), control unit 100 stores the file of the sample script by replacement to non-volatile In storage unit 144 (S50).

The above are the contents of customization.

Script execution processing is the processing executed to Function Extension script.In the present embodiment, use Lua as use In the scripting language of representation function extension script.It therefore, include: that will constitute function as performance objective in script execution processing Extension script described in each treatment process instruction be converted to the referred to as processing of the intermediate code of syllabified code and The processing of syllabified code is executed using LuaVM.It is contemplated that about the execution timing that script execution is handled it is a variety of it is different in terms of. Specifically, these aspects can include: execute customization with generate new Function Extension script and scheduled event (for example, Personal computer under controlling in relay 10 executes instruction) appearance.

The above are the configurations of relay 10.

Next, the process referring to the Function Extension for realizing relay 10 to be described to the operation of the present embodiment. When expectation carries out the Function Extension of relay 10, user (is in this example being connected to the personal computer of branch end LAN Personal computer PC 1) in start WWW browser, and indicate downloading setting menu screen html data.Personal computer PC 1 Control unit according to the instruction will be used to requesting downloading html data request message Q100 be sent to relay 10 (see Fig. 6).When the control unit 100 of relay 10 receives request message Q100, control unit 100 is from non-volatile memories Unit 144 reads html data, and returning response message R110, and html data is written to effectively negative in response message R110 Lotus part (see Fig. 6).

When the control unit of personal computer PC 1 receives response message R100, control unit disappears to response is written to The html data ceased in the Payload of R100 is read out, and starts to carry out to set represented by html data using browser Set the display processing of menu screen.As described above, the region A02 that will be used to that Function Extension menu to be made to show in setting menu screen In link information be embedded into html data.The control unit of personal computer PC 1 will be used to ask according to the link information Ask the request message Q110 of the html data of download function expanded menu to be sent to sample script distributing device 20 (see Fig. 6).When When the control unit of sample script distributing device 20 receives request message Q110, the control unit of sample script distributing device 20 Returning response message R110, the html data of Function Extension menu is written to Payload part in response message R110 (see Fig. 6).When the control unit of personal computer PC 1 receives response message R110 and has obtained to setting menu screen Necessary to being shown when all data, the control unit of personal computer PC 1 makes setting menu screen shown in Fig. 4 aobvious Show (Fig. 6: step S100) on the display unit.

The user checked to setting menu screen shown in Fig. 4 can carry out the radio button of Function Extension menu Operation indicates the control list of personal computer PC 1 to choose the newest function (the function A and function B in Fig. 4) of it is expected to use Member downloads the Function Extension script sample for realizing Function Extension script.The control unit of personal computer PC 1 generates use The request message Q120 that the sample script of downloading is downloaded is indicated user in request, and request message Q120 is sent to sample This script distributing device 20 (see Fig. 6).When sample script distributing device 20 receives request message Q120, the publication of sample script Device 20 requested from the storage unit read requests message Q120 of sample script distributing device downloading sample script and with The pairs of parameter definition data of the sample script, and returning response message R120, the sample described in response message R120 Script and parameter definition data are written to Payload part.

When the control unit of personal computer PC 1 receives response message R120, the control unit of personal computer PC 1 The sample script and parameter definition data of the Payload part for being written to response message R120 are read out, generated as use In the communication information for the request message Q130 that instruction handles sample script execution customization and script execution, and will request Message Q130 is sent to relay 10, and in the communication information, the sample script and parameter definition data are written into To Payload part.

When the control unit 100 of relay 10 receives request message Q130, the control unit 100 of relay 10 The sample script and parameter definition data of the Payload part for being written to request message Q130 are read out, it is above-mentioned fixed to execute Inhibition and generation processing S110 (that is, rewritten using the setting value of parameter for indicate include parameter in sample script mark The processing of symbol, and delete note string and set the processing of new parameter according to note string), and execute to passing through Customization S110 and the Function Extension script that generates carries out execution script and executes processing S120.Therefore, it is realized by user The Function Extension of relay 10.

Here, it is contemplated that by resident (resident) function (including infinitely following in the treatment process for realizing a certain function The function of ring, and continue the processing, until being indicated by interrupt processing etc. execution is stopped) and turn to (turnaround) function (function of the processing is terminated in a manner of storing or export processing result) is as by executing function Script can be extended and be assigned to the new function of relay 10.For example, the example of turning function may include that file 144c will be arranged Set content or the operation log file of relay 10 export to predetermined output destination and (it is mono- to be connected to external device (ED) I/F Member 130 serial ports console or USB storage, or be connected to the personal computer of branch end LAN) function.By specified Such function, there are following advantages: so that by the set content of operation setting or operation log report output to relay 10 are possibly realized, and the operational administrative of relay 10 is made to become simple.

On the other hand, the example for residing function may include communications status monitoring function, show in flow chart shown in Fig. 7 Its treatment process.The communications status monitoring function is such function, (is in the present embodiment with specific time interval 600 seconds) come monitor via relay 10 carry out data communication communications status, and notify according to monitored results starting The intended destination of (or stop) service quality (QoS) and notify the monitored results.As shown in fig. 7, being executed by sequence Processing is below to realize communications status monitoring function: ping packet being sent to the gateway apparatus of branch end LAN (not with pre-determined number Show) processing (step SA100), according to the received quantity by the response bag to ping packet and calculated packet loss come pair QoS's starts and stops the processing (step SA110, SA120, SA150 and SA160) controlled, utilizes Email etc. pair Indicate the processing (step SA130) and the place for executing suspend mode 600 seconds that the intended destination of the data of monitored results is notified It manages (step SA140).As another specific example of resident function, it is on one side: to whether by specific communication log Export to operation log file be monitored, in response to specific communications log output and execute notifier processes etc. and again Into dormant state until outputing the specific communications log.In addition, in the case where resident function, it can be in relay 10 power on the script execution for the Function Extension script for executing control unit 100 for realizing the function when (or resetting) every time Processing.

Make an example of the sample of the Function Extension script of the execution communications status monitoring function of relay 10 may include Such sample script, describes treatment process shown in Fig. 7 using Lua wherein.Here, when ping packet is sent to net When closing device, the mailing address of the gateway apparatus is required, but the mailing address of gateway apparatus is generally directed in each It is different after device.Therefore, in the sample script, to for indicating that the identifier of mailing address is described, rather than The particular value of gateway apparatus mailing address is described.Control unit 100 is come by referring to parameter definition data and setting file 144c The identifier is replaced with to the mailing address of gateway apparatus, and generates and execute the Function Extension foot for being used for relay This.

Therefore, according to the present embodiment, it is customized for relaying dress since the control unit 100 by relay 10 performs The processing for the sample script set and the processing for generating Function Extension script, therefore, even if the user when relay 10 does not have When standby knowledge relevant to scripting language, algorithm or debugging technique, Function Extension script can use still to execute relaying dress Set 10 Function Extension.

Although the embodiment of the present invention is described above, but it is to be understood that the embodiment can be repaired as follows Change.

(1) although in the above-described embodiments, it has been described that the present invention is applied to the example of router, should manage Solution, the present invention can be applied to interchanger.In short, if relay is connected to the first communication network and the second communication network, It and include another to being sent to from a communication network in described two communication networks according to previously positioned parameter The data of a communication network execute the function and script execution function of transmission control, so that it may the present invention is applied in described After device.In addition, application target of the invention is not limited to router or interchanger, but can be includes that basis is set in advance The parameter set and execute the communication device of the communication device of data communication (for example, the mobile communication as being referred to as smart phone is whole End), portable or fixed game machine, electronic musical instrument or so-called information household appliances.As long as in short, the electronic equipment is packet Device (the dress corresponding with the transmission control unit in Fig. 3 B that distinctive function is realized according to pre-set parameter is included It sets；When the electronic equipment is game machine, the explanation of games is executed according to setting parameter and executes and executes trip The display control of screen of playing and the device of audio output control；Alternatively, when the electronic equipment is electronic musical instrument, according to user Operate and set the parameters to generate tone data device) electronic equipment, so that it may by application the present invention (that is, passing through It provides and customizes device and make script execution device to execute to Function Extension script customized in customization device) To utilize Function Extension script easily to realize Function Extension.

For example, when the present invention is applied to game machine, it is contemplated that use such Function Extension script: it is for realizing right User stores and is referred to according to user for volume balance (audio, voice and BGM) set by each type of game Show the type of play of execution to adjust the processing of volume balance.In general, best volume balance can according to type of play and not Together.For example, in action game etc., the preferably audio or BGM of more louder volume, and in role play, preferably more The voice of louder volume.On the other hand, when performed game changes each time to define volume balance parameter one by one It resets inconvenient.It can be by eliminating above-mentioned inconvenience using Function Extension script execution Function Extension.

(2) in the above-described embodiments, transmission control processing, customization and script is executed by control unit 100 to hold Row processing.Due to only executing customization when obtaining Function Extension script, there is no special problems, but work as When the processing load of script execution processing is excessively high, it can be led to the problem of in transmission control processing, and packet loss can be led to the problem of.Cause This, is when newly added function is resident function, so that control unit 100 executes the processing for limiting the execution, so that The processing load of script execution processing is no more than predetermined threshold.In addition, can according to transmission control processing execution state (that is, The size of the processing load of transmission control processing) dynamic update is carried out to threshold value.For example, when the processing load of transmission control processing When increase, threshold value reduces (for example, setting a threshold to environmental variance in customization, and according to transmission control processing Processing load the environmental variance is updated).In addition, can be respectively provide for executing the device of firmware and for executing The device of customization and script execution processing, so that the above problem is not in.

(3) in the above-described embodiments, it has been described that so that in relay 10 control under personal computer PC 1 from Sample script distributing device 20 downloads sample script and the sample script is assigned to relaying dress from personal computer PC 1 The case where setting 10.However, can will be used to indicate the communication information of downloading sample script and unsolicited message Q120 from individual calculus Machine PC1 is sent to relay 10 so that the control unit 100 of relay 10 to the reception in response to communication information and from Sample script distributing device 20 obtains (downloading) sample script and is executed, and to sample script execution customization and foot This execution processing.In addition, script generation device can be provided separately from relay 10 in communication system 1, by in Setting file 144c is obtained after the mode that device 10 is communicated, and according to the parameter for including in setting file 144c come to sample Script execution customization, to generate the Function Extension script for being used for relay 10.For example, sample script distributing device 20 can also be with The role of script generation device is served as, and the personal computer under the control of relay 10 can also act as script generation The role of device.

For example, personal computer can be made when sample script distributing device 20 acts also as script and generates the role of unit PC1 is executed from relay 10 and is obtained setting file 144c, setting file 144c is attached to the effective negative of solicited message Q120 Lotus can be such that sample script distributing device 20 executes so partially and to the processing that request message Q120 is sent Processing: the Function Extension script write-in response message R120 that will be customized referring to setting file 144c, and returning response message R120.In addition, in terms of the script publication using sample script distributing device 20 being prepared as in terms of following two: to sample script The aspect issued as it is and the aspect issued to customized Function Extension script, previous aspect are filled by relaying It sets 10 user freely to use, latter aspect payment uses.In addition, by when receiving request message Q110 (or Q120) User authentication is executed, whether can be to allow to determine using the user of paid service to the user.On the other hand, in be in When the personal computer under the control of device 10 acts also as the role of script generation device, external storage can be written in sample script In device (such as USB storage), and the external memory can be connected to the personal computer, so as to the sample This script is specified.

(4) in the above-described embodiments, it uses such data as parameter definition data, is written in the data Setting text is written with the specific setting value of each parameter to indicate that the identifier of each parameter is associated in association for sample script The identifier of part 144c.However, when identifier identical with the identifier in setting file 144c is used as in description sample foot When this is to indicate each parameter when used identifier, it is not necessary that the parameter definition data are sent out together with sample script Cloth.In addition, the identifier for including in sample script is not limited to indicate to be defined on the item of the arbitrary parameter in setting file 144c Mesh is also possible to indicate the project using such as API according to the calculated new parameter of relationship between each parameter.Such parameter Example can include: for example when using Function Extension script by filtering function (for example, that forbids including in branch end LAN personal counts Calculation machine is to the function that accesses of outside) when being assigned to relay 10, so that 10 pairs of the relay dresses as Filtration Goal Set the parameter identified.Such parameter is not stored directly in setting file 144c, but can be by referring to setting File 144c and the LAN interface number of specified branch end LAN and by referring to corresponding to represented by by LAN interface number Number is arranged in the DHCP of LAN interface, to specify the parameter for making 10 pairs of relay as the device of Filtration Goal and being identified.

In addition, indicate to a variety of data of the different calculation methods of the value of new parameter can with correspond to the new parameter Identifier is associated, described to determine according to the set content for the parameter for defining transmission control processing in parameter definition data New parameter.Here, the example of a variety of calculation methods can include: each parameter being arranged in relay 10 is compared to each other simultaneously The method for being calculated (or specified) to new parameter value based on comparative result such as makes 10 pairs of relay to be used as filtering mesh specified It is such when the parameter that target device is identified；Or analysis and right is carried out to the data communication flow executed by relay 10 The method that new parameter value is calculated (or specified).Even if can not be referred to according to the relationship between the parameter being arranged in relay The value of new parameter is determined, still it is contemplated that data communication flow specifies the value of the parameter.Therefore, by that will indicate new parameter value A variety of data of different calculation methods be included in parameter definition data and to execute control unit 100 sequentially described more Kind of method, it is anticipated that can reduce completely can not the value to new parameter calculate the generation frequency of this problem.

The method calculated the value of new parameter will be described by example.Here, such example has been used, at it Middle to be calculated and specified using interface index of the script to the branch end LAN of relay 10, the script is for realizing taboo The function that the personal computer for only including in the LAN of branch end accesses to outside.

(i) parameter being arranged in relay 10 is carried out being compared to each other and calculating based on comparative result (or specified) new ginseng The method of numerical value

The personal computer and the interchanger under the control of relay 10 for being connected to branch end LAN are attached, and And the IP address of the Dynamic Host Configuration Protocol server from relay 10 is distributed to the personal computer.The LAN for meeting above-mentioned condition is connect Mouth is appointed as branch's end LAN interface.

The control unit 100 of relay 10 obtains the LAN interface for executing exchange control as from setting file 144c First list.Then control unit 100 obtains the LAN interface for serving as Dynamic Host Configuration Protocol server role as from setting file 144c Second list.Correspondingly, the interface index for corresponding to the LAN interface of first list and second list is appointed as new parameter Value.

(ii) it carries out analysis to the data communication flow executed by relay 10 and calculates new parameter value (or to refer to Method calmly)

It is expected that the personal computer for being connected to branch end LAN can be by frequent operation as the Web client applied. That is, in relay 10, several DNS queries towards relay 10 are observed and towards central end (or WAN End) several HTTP request packets.Using this expection, the LAN interface at branch end is specified.

The control unit 100 of relay 10 is monitored the inquiry of the dns server towards relay 10, to every The query source of a LAN interface is counted, and count results are recorded as the first count number.In addition, control unit 100 is right Http communication is monitored, counts to what is observed in input terminal to the request of each LAN interface, and by count results It is recorded as the second count number.Therefore, the first count number and the second count number is larger (for example, count number is greater than in advance Fixed number amount) the interface index of LAN interface be appointed as the value of new parameter.

(5) in the above-described embodiments, not to the institute for the new function for distributing to relay 10 in Function Extension script There is treatment process to be defined.Can will for realizing be considered the higher function of the frequency of use in relay (for example, will Ping is sent to the function of predetermined communication device, or Email is sent to the function of intended destination) script conversion For a function, library can be created, and can be to including interface (the so-called API: using journey for calling the function in library Sequence interface) it is prepared.By providing such library and the API that opens to the public, without sending out for realizing by ping It send the script to the function of predetermined communication device to be described one by one, and is easy creation sample script or Function Extension script. In addition, describing treatment process using scripting language for each function, C language can also be used or machine language is described.

(6) although in the above-described embodiments, Lua is used to carry out as the script to the function for expansion relays device 10 The language of description, but it is to be understood that when the processing capacity of control unit 100 or the storage capacity of storage unit 140 are still free Other scripting languages, such as Perl or Java (registered trademark) can be used in Yu Shi.In addition, for representation function extension script Scripting language is not limited to so-called explanation type scripting language, and can be the scripting language for generating by compiling and executing file. For example, the sample source code of Function Extension script is downloaded to relay 10 from sample script distributing device 20, to sample source Code is compiled to generate the executable file in relay 10, and is executed the executable file to realize Function Extension.It in this case, can include that and control unit 100 can be made in sample source code for customized parameter The processing of customized parameter is executed as compiler pretreatment.In addition, working as executable file under sample script distributing device 20 When being loaded onto relay 10 and executing the control unit 100 of relay 10 to the executable file, Ke Yiti For use by API to the mechanism of the value carry out sequence acquisition of customizable parameter, and the API can be mounted on relay 10 On.

(7) in the above-described embodiments, the personal computer communicated with relay 10, which acts as, makes user to expectation The sample script of acquisition carries out the role of the user's interface device of selection.However, such use can be provided in relay 10 Family interface arrangement.Specifically, user's interface device can be provided in relay 10 comprising to setting menu shown in Fig. 4 Display unit (for example, liquid crystal display) that screen is shown and user is made to input the operating units of various instructions.

(8) in the above-described embodiments, it is realized using software and is significantly shown at the transmission control of 10 feature of relay Reason, customization and script execution processing.It is to be understood, however, that using the hardware of such as electronic circuit etc come It realizes the transmission control unit for executing transmission control processing, the customization device for executing customization and is used for Perform script executes each of the script execution device of processing, and to above-mentioned each device, the first communication I/F unit 110 and second communication I/F unit 120 be combined to constitute relay.Although in addition, in the above-described embodiments, function Extender 144b is the program separated with communication control program 144a, but both can be a program entirety, and should Program can be used as firmware and be stored in the non-volatile memory cells 144 of relay 10.It is counted in addition, the firmware can be written Calculation machine readable medium recording program performing (such as CD-ROM) is simultaneously issued, or can be by via electronic communication line (such as internet) Downloading is to issue the firmware.

The present invention is based on the Japanese patent application No.2013-059584 that on March 22nd, 2013 submits, the wholes of this application Content is incorporated herein by reference.

Industrial applicability

According to the present invention, even if when user does not have the knowledge about scripting language or debugging, there is script execution function Function Extension script can also be used to execute the Function Extension of the electronic equipment in the user of the electronic equipment of energy.

Reference signs list

1: communication system

10: relay

20: sample script distributing device

100: control unit

110: the first communication I/F units

120: the second communication I/F units

130: external device (ED) I/F unit

140: storage unit

142: volatile memory cell

144: non-volatile memory cells

144a: communication control program

144b: Function Extension program

144c: setting file

150: bus

PC1, PC2 and PC3: personal computer

Claims

1. a kind of for realizing that the communication device of distinctive function, the communication device include: according to preset parameter

Script execution device is used to execute to using script described in scheduled scripting language；And

Device is customized, is used to obtain sample script, the sample script indicates to make using the scripting language described logical T unit realizes the description example of the treatment process of new function, and the customization device is used for the sample script execution According to the customization of the setting content of the parameter, to generate the Function Extension script for being used for the communication device,

Wherein the script execution device executes the Function Extension script generated by the customization device, the communication dress Set is router or interchanger.

2. communication device according to claim 1, wherein when including to by described in customization in the sample script Before sample script and the Function Extension script created are executed when the note string of request setting new parameter, make institute It states and customizes device and execute following processing: deleting the note string from the sample script in customization, and Before the script execution device executes the Function Extension script, the new parameter is set according to the note string.

3. communication device according to claim 1 or 2, further includes:

User's interface device is used to that user to be made to select desired sample script,

Wherein the customization device obtains the user and obtains indicative sample to it via the user's interface device Script.

4. communication device according to claim 1 or 2, wherein the customization device acquisition is made to be included within the sample Identifier parameter definition data associated with parameter represented by the identifier in script, and make the customization device Execute processing with the identifier being included within according to the content of the parameter definition data in the sample script be rewritten as by The value of parameter represented by the identifier, to generate the Function Extension script.

5. communication device according to claim 4, wherein setting is for calculating by described in the parameter definition data A variety of different calculation methods of the value of parameter represented by identifier, and make the customization device using it is described it is a variety of not With calculation method in any one come the value of the parameter represented by calculating by the identifier.

6. a kind of script generation device, comprising:

Acquisition device, be used on a communication network with special functional router is realized according to preset parameter or is exchanged Machine is communicated, and for obtaining the parameter, the router or interchanger have to the scheduled scripting language institute of utilization The function that the script of description is executed；And

Generation device, the customization to sample script execution parameter according to acquired in the acquisition device are used for generating The Function Extension script of the router or interchanger, the sample script indicate to make the routing using the scripting language Device or interchanger realize the description example of the treatment process of new function.

7. a kind of control method of communication device, the communication device is router or interchanger, for according to preset Parameter realizes that distinctive function, the control method include:

Script execution step, for being executed to using script described in scheduled scripting language；And

Step is customized, for obtaining sample script, the sample script indicates to make the routing using the scripting language Device or interchanger realize the description example of the treatment process of new function, and the customization step is used for the sample script The customization of the setting content according to the parameter is executed, to generate the Function Extension foot for the router or interchanger This,

Wherein the script execution step executes the Function Extension script generated by the customization step.

8. the control method of communication device according to claim 7, wherein when including to logical in the sample script Cross customize the sample script and the Function Extension script that creates executed before request setting new parameter annotation word When symbol string, the customization step executes following processing: deleting the annotation character from the sample script in customization String, and before the script execution step executes the Function Extension script, according to note string setting New parameter.

9. the control method of communication device according to claim 7 or 8, further includes:

Interface step, for making user select desired sample script, and

Wherein the customization step obtains the user and obtains indicative sample script to it via the interface step.

10. the control method of communication device according to claim 7 or 8, wherein customization step acquisition will include Identifier parameter definition data associated with parameter represented by the identifier in the sample script, and it is described fixed Inhibition and generation step executes identifier of the processing be included in the sample script according to the content of the parameter definition data The value of parameter represented by being rewritten as by the identifier, to generate the Function Extension script.

11. the control method of communication device according to claim 10 is used wherein being arranged in the parameter definition data A variety of different calculation methods of the value of parameter represented by calculating by the identifier, and the customization step utilizes Any one in a variety of different calculation methods is come the value of the parameter represented by calculating by the identifier.

12. the control method in a kind of script generation device, the control method include:

Obtaining step, for realizing special functional router or interchanger with according to preset parameter on a communication network It is communicated, and for obtaining the parameter, the router or interchanger have to be retouched to using scheduled scripting language The function that the script stated is executed；And

Step is generated, for the customization to sample script execution according to parameter acquired in the obtaining step, to generate For the router or the Function Extension script of interchanger, the sample script indicates to make using the scripting language described Router or interchanger realize the description example of the treatment process of new function.