CN103428027A - Device indication method with multiple-support function for optical line terminals - Google Patents

Abstract

The invention provides a device indication method with a multiple-support function for optical line terminals. The device indication method includes determining content of the device indication in the text format according to parameters of one optical line terminal and an optical network unit; during the power-on initialization, reading the content of the device indication through the optical line terminal, dividing storage space, assigning data structure and saving the device indication to a memory thereof; updating the device indication if the parameters of the optical line terminal or the optical network unit change during implementing of engineering. Under the device indication of the same OLT (optical line terminal) software, multiple types of OLT devices, various cards and boards, different quantity of cards and boards , different types of ONU(optical network unit) can be supported, processes of repeated development, test and engineering verification of software are reduced.

Description

Equipment text method for the multi-functional support of optical line terminal

Technical field

The affiliated EPON(Ethernet passive optical network of the present invention) field local side OLT (optical line terminal) equipment is according to the indication of equipment text (Device Indication), the treatment technology of the function that Lookup protocol self is supported.

Background technology

Current many OLT equipment vendors, exploitation has many moneys OLT equipment usually, for example boxlike OLT equipment, frame OLT equipment, and frame OLT equipment is divided into again plurality of specifications according to the height of machine frame.OLT equipment for these different styles, usually need to be for every money equipment, the software of a set of special use of special exploitation, how many money OLT equipment is arranged, just need the how many cover special-purpose softwares of special exploitation, such overlapping development, can waste a large amount of exploit natural resources, test resource, engineering support resource.

In engineering practice; under same OLT equipment; usually can require to access polytype ONU; particularly emerency request accesses the dissimilar ONU of other company; and the ONU of these new demand accesses; OLT equipment is not supported in advance, at this time usually need to be carried out the what's new exploitation to OLT software.OLT equipment what's new, from developing, to test, is formally issued to version, is to need certain cycle, and often increases a ONU of support newly, just needs newly-increased the exploitation once.This pattern, can not respond on the one hand the engineering application in time, frequent overlapping development on the other hand, wasted a large amount of exploit natural resources, test resource, engineering support resource.

Summary of the invention

Technical problem to be solved by this invention is: a kind of text of the equipment for the multi-functional support of optical line terminal method is provided, make same set of OLT software under the indication of equipment text, can be supported the board of many moneys OLT equipment, polytype board, multiple quantity, dissimilar ONU, be reduced the process of software overlapping development, retest, repetition engineering verification.

The technical solution adopted in the present invention: the equipment text method for the multi-functional support of optical line terminal comprises: the content of at first according to optical line terminal and optical network unit parameter, determining the equipment text of text formatting; In the power-up initializing process, the content of optical line terminal fetch equipment text, and divide memory space, distribute data structure, the equipment text is stored on its memory; In project implementing process, if optical line terminal or optical network unit parameter change, the equipment text is upgraded.

Described method, the parameter of optical line terminal and optical network unit comprises the hardware characteristics parameter of optical line terminal, type and the number of the board of supporting, and the type of the optical network unit accessed.

Described method, the hardware characteristics parameter of described optical line terminal sees the following form:

Described method, the type of the board of supporting comprises main control unit, EPON dish, upper united dish, power supply disks and fan disk.Described method, the parameter of EPON dish sees the following form:

Described method, the parameter of described upper united dish sees the following form:

Described method, the type parameter of optical network unit sees the following form:

Described method, the content of equipment text also comprises the text head, the content of text head sees the following form:

Described method, the form of equipment text comprises:

The equipment text comprises three key elements: parameter, section and annotation;

Parameter be by a title name and value for value equal sign "=" connect to form, wherein name is on the left side of equal sign, value is on the right of equal sign, each parameter is monopolized a line;

A plurality of parameters combine just becomes a section, and name section is monopolized a line, and in the foremost of this section all parameters, and name section surrounds with square brackets;

In the equipment text with branch "; " start, all the elements between branch and end-of-line character mean it is annotation.

Described method, the process that the equipment text is read, processes comprises:

The step 1) optical line terminal powers on, and opens equipment text file;

Step 2) fetch equipment text file head 64 byte content, recording equipment text version information, CRC information;

Step 3) computing equipment text removes the crc value of the content after head 64 bytes, by the crc value comparison of recording in the crc value that calculates and header information, if both think etc., devices illustrated text file is complete; Otherwise termination device text manipulation process;

Step 4) is read equipment text file next line content;

Step 5) is if equipment text file ends up, and devices illustrated text file is finished dealing with, and flow process finishes; If only comprise the row of annotation, continue execution step 4; If the row that comprises name section performs step 6; If the row that comprises parameter performs step 7;

The step 6) file line section of being row, if this end of line section also comprises annotation information, remove notes content; Then resolve name section, determine the global structure variable that name section is corresponding, and this global structure variable of initialization;

The step 7) file line is parameter line, if this end of line section also comprises annotation information, removes notes content; Then analytic parameter information, according to name section and parameter name name, be filled up to parameter value value in the corresponding member of global structure variable definite in step 6;

Step 8) is returned to execution step 4; If all provisional capitals of equipment text are disposed, finish the processing procedure of equipment text.

Advantage of the present invention:

(1) a set of software, can support dissimilar machine frame, the board of dissimilar varying number simultaneously:

1, machine frame difference

It is example that the Guang Dongdong of take grinds the OLT of network technology limited company product, and the 1U(machine frame is arranged) VISTA1600C OLT product, have 2U VISTA1600E OLT product, the VISTA1600F product of 8U is arranged.For this three OLT product, only need indicate the hardware characteristics of this OLT product in the equipment text, just can use same set of software.

2, board type difference, board number difference

It is example that the Guang Dongdong of take grinds the OLT of network technology limited company product, can support the board of 5 types, as: main control unit, PON dish, upper united dish, power supply disks, fan disk; And the quantity for each board can be supported a plurality of simultaneously.

For these, dissimilar board and different quantity, by the indication of equipment text, only need to develop same set of software.So only need the primary system test, an engineering practice, just can comprehensively verify by OLT equipment.

(2) support fast ONU(optical network unit dissimilar, different vendor), meet complicated engineering applied environment:

In engineering practice, under same OLT equipment, often can require to access polytype ONU of same company simultaneously, and the dissimilar ONU of many companies, this just requires, and OLT equipment is dissimilar to these, the ONU of different manufacturers supports simultaneously.For these different vendors, dissimilar ONU, concrete difference shows as:

(1) the ONU port type difference of supporting, for example support the Ethernet interface of 100M, 1000M, the POTS(telephone service of support voice) mouthful, and the CATV(cable TV) mouthful etc.;

(2) the number difference of dissimilar ONU port;

(3) dissimilar ONU port is in the position of equipment difference;

After the equipment text has been arranged, do not need again exploitation code, recompilate, retest, only need to increase the description to these ONU differences in the equipment text, OLT equipment just can comprehensively be supported these ONU, be very easy to the application of engineering.

In a word, the invention solves same set of OLT software under the indication of equipment text, the support to the board of many moneys OLT equipment, polytype board, multiple quantity, reduced software overlapping development, retest, repetition engineering verification; The present invention has also solved same set of OLT software, simultaneously to the quick support of different vendor, dissimilar ONU, has facilitated complicated engineering application.

The accompanying drawing explanation

Fig. 1 is the position of equipment text in OLT equipment Flash space.

Fig. 2 is FB(flow block) of the present invention.

Embodiment

The parsing, equipment text that the present invention has discussed content, the equipment text of grammer, the equipment text of header format, the equipment text of concept, the equipment text of equipment text in detail is in the position in OLT equipment Flash space and the upgrading mode of equipment text.

(1) header format of equipment text:

At the head of equipment text file, cook up specially the space of 64 bytes, owing to recording following relevant information:

(2) grammer of equipment text

The equipment text is comprised of three key elements: parameter (parameter), section (section) and annotation (comment).

Parameter (parameter) is to be connected to form by a name and an equal sign for value "=", and wherein name is on the left side of equal sign.For example: name=value, each parameter (parameter) is monopolized a line.

A plurality of parameters (parameter) combine just becomes a section (section).The section (section) title monopolize a line, and the section (section) name with square brackets, surround, for example: [section]; All parameters (parameter) after the section statement are all to belong to this section (section), until new section (section) statement starts.

In the equipment text with branch "; " start, all the elements between branch and end-of-line character mean it is annotation (comment).

Simple equipment text segment row are as follows:

; The board number that OLT equipment is supported

[CARD?NUMBER]

SWA=2; The main control unit number

PON=10; PON coils number

HUP=2; Upper united dish number

PWR=2; The power supply disks number

FAN=3; The fan disk number

(3) substance of equipment text

1, the version information of equipment text

First section (section) of equipment text is for the version information of recording equipment text.Example is as follows:

; Equipment text version information

[VERSION]

VERSION=R3.1; Equipment text version

SVN_VERSION=r12079; Equipment text svn(subversion, a kind of Version) version

BUILD=20130515; Equipment text build(compiling) time

2, the hardware parameter of OLT equipment, performance parameter

It is example that the Guang Dongdong of take grinds the OLT of network technology limited company equipment VISTA1600F, and hardware parameter, the performance parameter of this OLT are listed as follows:

Sequence number	Parameter name	Parameter value	Explanation
				1	The OLT typonym	“VISTA1600F”
2	The OLT type code	15	=15, mean OLT VISTA1600F
				3	The main control unit number	2
4	The 1st main control unit slot number	7
				5	The 2nd main control unit slot number	8
6	PON coils number	10
				7	The 1st PON dish slot number	1
8	The 2nd PON dish slot number	2
				9	The 3rd PON dish slot number	3
10	The 4th PON dish slot number	4
				11	The 5th PON dish slot number	5
12	The 6th PON dish slot number	10
				13	The 7th PON dish slot number	11
14	The 8th PON dish slot number	12
				15	The 9th PON dish slot number	13
16	The 10th PON dish slot number	14
				17	Upper united dish number	2
18	The 1st upper united dish slot number	6
				19	The 1st upper united dish slot number	9
20	The power supply disks number	2

21

The fan disk number

3

Corresponding OLT device hardware parameter, performance parameter equipment text are described as:

; OLT device hardware parameter, performance parameter

[OLT?ATTRIBUTE]

OLT_TYPE=15; The OLT device type

TYPE_NAME=" VISTA1600F "; OLT device type title

SWA_NUMS=2; The main control unit number that OLT equipment is supported

MASTER_SWA=7; Primary main control unit slot number

SLAVE_SWA=8; Standby main control unit slot number

PON_NUMS=10; The PON dish number that OLT equipment is supported

PON1=1; The 1st PON dish slot number

PON2=2; The 2nd PON dish slot number

PON3=3; The 3rd PON dish slot number

PON4=4; The 4th PON dish slot number

PON5=5; The 5th PON dish slot number

PON6=10; The 6th PON dish slot number

PON7=11; The 7th PON dish slot number

PON8=12; The 8th PON dish slot number

PON9=13; The 9th PON dish slot number

PON10=14; The 10th PON dish slot number

HUP_NUMS=2; The upper united dish number that OLT equipment is supported

HUP1=6; The 1st HUP dish slot number

HUP2=9; The 2nd HUP dish slot number

PWR_NUMS=2; The power supply disks number that OLT equipment is supported

FAN_NUMS=3; The fan disk number that OLT equipment is supported

3, PON dish hardware parameter, performance parameter

It is example that the Guang Dongdong of take grinds the OLT of network technology limited company equipment PON dish, and its hardware parameter, performance parameter are listed as follows:

Corresponding PON dish hardware parameter, performance parameter equipment text are described as:

; PON dish hardware parameter, performance parameter

[PON?ATTRIBUTE]

PON_CHIP_TYPE=2; The PON chip type

PON_CHIP_NAME=" TK3723 "; PON chip title

PON_PORT_NUMS=4; PON port number

SPEED_PON_PORT1=1; The 1st PON interface rate, 1G EPON

SPEED_PON_PORT2=1; The 2nd PON interface rate, 1G EPON

SPEED_PON_PORT3=1; The 3rd PON interface rate, 1G EPON

SPEED_PON_PORT4=1; The 4th PON interface rate, 1G EPON

4, upper united dish hardware parameter, performance parameter

It is example that the Guang Dongdong of take grinds the OLT of network technology limited company equipment HUP dish, and its hardware parameter, performance parameter are listed as follows:

Corresponding upper united dish hardware parameter, performance parameter equipment text are described as:

; HUP dish hardware parameter, performance parameter

[HUP?ATTRIBUTE]

SWITCH_CHIP_TYPE=2; The exchange chip type

SWITCH_CHIP_NAME=" BCM56512 "; The exchange chip title

UPLINK_PORT_NUMS=5; First line of a couplet port number

SPEED_UPLINK_PORT1=3; The 1st first line of a couplet interface rate, 10GMbps

SPEED_UPLINK_PORT2=2; The 2nd first line of a couplet interface rate, 1GMbps

SPEED_UPLINK_PORT3=2; The 3rd first line of a couplet interface rate, 1GMbps

SPEED_UPLINK_PORT4=2; The 4th first line of a couplet interface rate, 1GMbps

SPEED_UPLINK_PORT5=2; The 5th first line of a couplet interface rate, 1GMbps

5, ONU type definition

It is example that the Guang Dongdong of take grinds the ONU B03-204 of network technology limited company, and hardware parameter, the performance parameter of this ONU are listed as follows:

Corresponding B03-204ONU type equipment text is described as:

; ONU B03-204 hardware parameter, performance parameter

[ONU?B03-204]

ONU_TYPE=82; The ONU type

TYPE_NAME=" B03-204 "; The ONU typonym

PON_CHIP=2; PULAN scheme PON chip

PON_NUMS=1; PON port number

MODE_PON1=1; The 1st PON port type, 1G EPON port

OPT_POWER_CHECK_PON1=1; The 1st PON port optical module supports luminous power to detect

ETH_NUMS=4; The ethernet port number

SPEED_ETH1=2; The 1st ethernet port speed, 1000Mbps

SPEED_ETH2=2; The 2nd ethernet port speed, 1000Mbps

SPEED_ETH3=2; The 3rd ethernet port speed, 1000Mbps

SPEED_ETH4=2; The 4th ethernet port speed, 1000Mbps

POTS_NUMS=0; POTS port number

CATV_NUMS=0; CATV port number

COM_NUMS=0; R232/485 port number

6, other configuration:

Also can register some other parameters that need to configure in the equipment text.

(4) during the OLT device initialize to the parsing of equipment text

After the OLT device power, very first time fetch equipment body matter, for instructing the initial configuration of OLT device hardware, software.

1, the verification of equipment body matter

(1) from the Flash(flash memory) space readout equipment text file;

(2) remove 64 byte header, the CRC of computing equipment body matter, compare with the CRC of head record, confirms the correctness of equipment body matter;

2, the equipment textual syntax is resolved

(1) processing of comment line

Comment line is understood reading for convenient exploitation, attendant, for the comment line program, directly skips and does not process.

(2) processing of section (section) row

A data structure in each section (section) corresponding program, foregoing " OLT device hardware parameter, performance parameter " section for example, corresponding data structure (take the C language as example) as:

Corresponding above-mentioned data structure defines a global structure variable simultaneously, for example, for the global access of program:

struct?OLT_PARAM?g_olt_param;

(3) processing of parameter (parameter) row

Resolve line by line for parameter in section, the result of parsing is filled up in the member of corresponding global structure variable.

3, equipment text manipulation flow chart:

Step 1, open equipment text file;

Step 2, in fetch equipment text file head 64 bytes, recording equipment text version information, CRC information;

Step 3, the computing equipment text removes the crc value of the content after head 64 bytes, by the crc value comparison of recording in the crc value that calculates and header information, if both think etc., devices illustrated text file is complete;

Step 4, read equipment text file next line content;

Step 5, if the ending of equipment text file, devices illustrated text file is finished dealing with, flow process finishes; If comment line continues execution step 4; If the section line feed performs step 6; If parameter line performs step 7;

Step 6, the file line section of being row, resolve section row title, determines global structure variable (for example above-mentioned g_olt_param) corresponding to section row, and this global structure variable of initialization;

Step 7, file line is parameter line, the analytic parameter value,, according to section name+parameter name, parameter value is filled up in the corresponding member of global structure variable definite in step 6 (for example, name[64]=" VISTA1600F ");

Step 8, return to execution step 4;

Flow chart refers to accompanying drawing 2.

(5), the equipment text is in the position in OLT equipment Flash space

In OLT equipment Flash space, mark off specially an independently space, be used for storage equipment text file.Fig. 1 has showed that the equipment text is in Zhong De position, Flash space and size.In figure, 0x0000,0x4000,0x6000 ... 0x80000 means core position, and Boot means boot section, and App0, App1 mean the 1st, 2 application programs.The equipment text, between 0x4000 and 0x6000, and comprises text head and content.

(6), the upgrading mode of equipment text

After OLT equipment dispatches from the factory, do not need under normal circumstances the updating apparatus text, still, in the engineering application, in the needs support equipment text during undefined New O NU, just need to be in the equipment text supplement relative contents, the updating apparatus text.

In OLT equipment, Boot firmware, the App firmware of equipment text and OLT equipment be the same has position of equal importance, indispensable.The equipment text has and Boot firmware, the same head of App firmware, and therefore, the upgrading mode of equipment text is identical with the upgrading mode of Boot firmware, App firmware.

Claims (10)

1. for the equipment text method of the multi-functional support of optical line terminal, it is characterized in that comprising: the content of at first according to optical line terminal and optical network unit parameter, determining the equipment text of text formatting; In the power-up initializing process, the content of optical line terminal fetch equipment text, and divide memory space, distribute data structure, the equipment text is stored on its memory; In project implementing process, if optical line terminal or optical network unit parameter change, the equipment text is upgraded.

2. method according to claim 1, it is characterized in that: the parameter of optical line terminal and optical network unit comprises the hardware characteristics parameter of optical line terminal, type and the number of the board of supporting, and the type of the optical network unit accessed.

3. method according to claim 2, it is characterized in that: the hardware characteristics parameter of described optical line terminal sees the following form:

Sequence number Parameter name Parameter value Explanation 1 The OLT typonym “VISTA1600F” ? 2 The OLT type code 15 =15, mean OLT VISTA1600F 3 The main control unit number 2 ? 4 The 1st main control unit slot number 7 ? 5 The 2nd main control unit slot number 8 ? 6 PON coils number 10 ? 7 The 1st PON dish slot number 1 ? 8 The 2nd PON dish slot number 2 ? 9 The 3rd PON dish slot number 3 ? 10 The 4th PON dish slot number 4 ? 11 The 5th PON dish slot number 5 ? 12 The 6th PON dish slot number 10 ? 13 The 7th PON dish slot number 11 ? 14 The 8th PON dish slot number 12 ? 15 The 9th PON dish slot number 13 ? 16 The 10th PON dish slot number 14 ? 17 Upper united dish number 2 ? 18 The 1st upper united dish slot number 6 ? 19 The 1st upper united dish slot number 9 ? 20 The power supply disks number 2 ? 21 The fan disk number 3 ?

。

4. method according to claim 2, it is characterized in that: the type of the board of supporting comprises main control unit, EPON dish, upper united dish, power supply disks and fan disk.

5. method according to claim 4, it is characterized in that: the parameter of EPON dish sees the following form:

。

6. method according to claim 4, it is characterized in that: the parameter of described upper united dish sees the following form:

。

7. method according to claim 2, it is characterized in that: the type parameter of optical network unit sees the following form:

。

8. method according to claim 2, it is characterized in that: the content of equipment text also comprises the text head, the content of text head sees the following form:

。

9. method according to claim 8, is characterized in that, the form of equipment text comprises:

The equipment text comprises three key elements: parameter, section and annotation;

Parameter be by a title name and value for value equal sign "=" connect to form, wherein name is on the left side of equal sign, value is on the right of equal sign, each parameter is monopolized a line;

A plurality of parameters combine just becomes a section, and name section is monopolized a line, and in the foremost of this section all parameters, and name section surrounds with square brackets;

In the equipment text with branch "; " start, all the elements between branch and end-of-line character mean it is annotation.

10. method according to claim 9, is characterized in that, the process that the equipment text is read, processes comprises:

The step 1) optical line terminal powers on, and opens equipment text file;

Step 2) fetch equipment text file head 64 byte content, recording equipment text version information, CRC information;

Step 3) computing equipment text removes the crc value of the content after head 64 bytes, by the crc value comparison of recording in the crc value that calculates and header information, if both think etc., devices illustrated text file is complete; Otherwise termination device text manipulation process;

Step 4) is read equipment text file next line content;

Step 5) is if equipment text file ends up, and devices illustrated text file is finished dealing with, and flow process finishes; If only comprise the row of annotation, continue execution step 4; If the row that comprises name section performs step 6; If the row that comprises parameter performs step 7;

The step 6) file line section of being row, if this end of line section also comprises annotation information, remove notes content; Then resolve name section, determine the global structure variable that name section is corresponding, and this global structure variable of initialization;

The step 7) file line is parameter line, if this end of line section also comprises annotation information, removes notes content; Then analytic parameter information, according to name section and parameter name name, be filled up to parameter value value in the corresponding member of global structure variable definite in step 6;

Step 8) is returned to execution step 4; If all provisional capitals of equipment text are disposed, finish the processing procedure of equipment text.

Images