CN110045972B - ONU online upgrading method and system - Google Patents
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- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
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Abstract
The invention relates to an ONU online upgrading method and a system, wherein the method comprises a software generation flow and a software upgrading flow, in the software generation flow, various check information such as common head information, a ProductHead list and the like and various Image versions are packaged in a unified version upgrading program and are pushed to ONU equipment through the current network, in the software upgrading flow, the Image versions suitable for the chip model and the product model of the equipment are automatically searched through checking the check information, the completed version data are obtained, and finally the version upgrading of the ONU equipment is completed. The invention can uniformly upgrade ONU equipment of various product types and chip types in the current network only by pushing one uniform version upgrading program without independently manufacturing and pushing the upgrading program for each ONU equipment, thereby having high upgrading efficiency and avoiding upgrading failure caused by software error.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an ONU online upgrading method and system.
Background
An Optical Network Unit (ONU) is a Terminal device for a user to access an Optical Network, and an uplink direction of the ONU is connected to an Optical fiber used by an OLT (Optical Line Terminal), and a downlink direction of the ONU is connected to a Network cable and a WLAN port used by a Terminal user, so as to provide services such as internet access, IPTV, and voice for the user.
For a specific network operator, in an existing network provided by the specific network operator, each household has ONU devices, and even the ONU devices are configured in places such as enterprises, institutions, units, and the like, the models of the ONU devices are different, even different chips are configured in the same model, so that when the ONU devices are upgraded, a set of software needs to be configured, and corresponding software needs to be selected when the software is upgraded, which causes software confusion due to too many ONU models, and once wrong software is used, the upgrade is failed, and the ONU start-up failure or even damage is seriously caused.
Disclosure of Invention
Therefore, it is necessary to provide an ONU online upgrade method and system, which can perform online uniform version upgrade on ONU devices of various models and chips by using the existing network, not only has high efficiency, but also can avoid upgrade failure caused by software error.
In order to achieve the above purpose, the invention adopts the following technical scheme.
The invention provides an ONU online upgrading method, which is used for upgrading the version of ONU equipment in the existing network, and comprises a software generation flow and a software upgrading flow, wherein the software generation flow comprises the following steps:
generating common head information of a unified version, wherein the common head information comprises a Magic Number, an Image version, the Number of images and a first CRC;
generating a ProductHead list of each Image version in the unified version, wherein the ProductHead list comprises a plurality of ProductHead information, and each ProductHead information is respectively used for describing information corresponding to the Image and comprises a chip model, a product model, an Image length and a second CRC of the ONU;
encapsulating the CommonHead information, the ProductHead list and the Image versions to form a unified version upgrading program, wherein the ProductHead information and the Image versions are correspondingly filled in sequence;
the software upgrading process comprises the following steps:
after a software upgrading instruction is obtained from a network, reading and analyzing common head information data in the network;
judging whether the software to which the CommonHead information belongs is a unified version upgrading program;
if yes, checking whether the Commonhead information, the Producthead information, the first CRC and the second CRC check code pass;
if the CommonHead information, the first CRC, the ProductHead information and the second CRC check code are checked to be passed, searching the ProductHead information suitable for the equipment in the ProductHead list according to the chip model and the product model of the current ONU equipment, and calculating the offset of the position of the image version suitable for the equipment relative to the CommonHead information and the length of the image version according to the corresponding image size described in the ProductHead information;
and acquiring a complete image version, and upgrading the version of the ONU equipment.
In the above method, the step of determining whether the software to which the CommonHead information belongs is a unified version upgrade program specifically includes:
and judging the software to be the unified version upgrading program if the Magic Number in the CommonHead information is matched with the format of the unified version upgrading program.
In the above method, after the step of determining whether the software to which the CommonHead information belongs is a unified version upgrade program, the method further includes the steps of:
and if the software is judged not to be the uniform version upgrading program, reading all data of the software, and upgrading the version of the ONU equipment according to the common Image upgrading flow.
In the above method, after the step of sequentially checking the CommonHead information, the first CRC, the ProductHead information, and the second CRC check code, the method further includes the steps of:
if the CommonHead information, first CRC, ProductHead information, or second CRC check code check fails, all remaining data is read and discarded, and an error code is issued.
In the above method, if the CommonHead information, the first CRC, the ProductHead information, and the second CRC check code are verified, the step of searching the ProductHead information suitable for the present device in the ProductHead list according to the chip model and the product model of the current ONU device, and calculating the offset of the location of the image version suitable for the present device relative to the CommonHead information and the length of the image version according to the corresponding image size described in the ProductHead information further includes the steps of:
if no ProductHead information suitable for the device is found, all remaining data is read and discarded, and an error code is sent out.
In the above method, the step of obtaining the complete image version and upgrading the version of the ONU device specifically includes:
and acquiring a complete Image version from the network, reading out and discarding other data, and upgrading the version of the ONU equipment according to a common Image upgrading flow.
In the above method, the step of sequentially checking the CommonHead information, the first CRC, the ProductHead information, and the second CRC check code specifically includes:
judging whether the CommonHead information and the first CRC are legal or not;
if yes, reading all ProductHead information data in sequence and checking the second CRC;
if not, all remaining data is read and discarded, and an error code is issued.
In the above method, after the step of obtaining the complete image version and upgrading the version of the ONU device, the method further includes the steps of:
and restarting the ONU equipment.
The invention also provides an ONU online upgrading system, which is used for upgrading the version of ONU equipment in the current network, and comprises a software generation module and a software upgrading module, wherein the software generation module comprises:
the unified version header information generating unit is used for generating unified version Commonhead information, and the Commonhead information comprises a Magic Number, an Image version, an Image Number and a first CRC;
the program header information generating unit is used for generating a ProductHead list of each Image version in the unified version, the ProductHead list comprises a plurality of ProductHead information, and each ProductHead information is respectively used for describing information corresponding to the Image and comprises a chip model, a product model, an Image length and a second CRC of the ONU;
the packaging unit is used for packaging the Commonhead information, the Producthead list and the Image versions to form a unified version upgrading program, wherein the Producthead information and the Image versions are correspondingly filled in sequence;
the software upgrading module comprises:
the data acquisition unit is used for reading and analyzing common head information data in the network after acquiring the software upgrading instruction from the network;
the judging unit is used for judging whether the software to which the CommonHead information belongs is a unified version upgrading program;
the verification unit is used for verifying whether the CommonHead information, the ProductHead information, the first CRC and the second CRC check code pass or not if the software to which the CommonHead information belongs is a unified version upgrading program;
the searching unit is used for searching the ProductHead information suitable for the equipment in the ProductHead list according to the chip model and the product model of the current ONU equipment if the CommonHead information, the first CRC, the ProductHead information and the second CRC check code are verified to be passed, and calculating the offset of the position of the image version suitable for the equipment relative to the CommonHead information and the length of the image version according to the corresponding image size described in the ProductHead information;
and the upgrading unit is used for acquiring the complete image version and upgrading the version of the ONU equipment.
The system further comprises a restarting unit for restarting the ONU equipment.
The method comprises a software generation flow and a software upgrading flow, wherein in the software generation flow, various check information such as common head information, a ProductHead list and the like and various Image versions are packaged in a unified version upgrading program and are pushed to the ONU equipment through the existing network, in the software upgrading flow, the Image versions suitable for the chip model and the product model of the equipment are automatically searched through checking of the check information, the finished version data are obtained, and finally the version upgrading of the ONU equipment is finished. The invention can uniformly upgrade ONU equipment of various product types and chip types in the current network only by pushing one uniform version upgrading program without independently manufacturing and pushing the upgrading program for each ONU equipment, thereby having high upgrading efficiency and avoiding upgrading failure caused by software error.
Drawings
Fig. 1 is a schematic flow chart of a software generation flow in an ONU online upgrade method in this embodiment;
FIG. 2 is a schematic diagram of a logic structure of a unified version upgrade program in this embodiment;
fig. 3 is a schematic flow chart of a software upgrading process in the ONU online upgrading method in this embodiment;
fig. 4 is a schematic block structure diagram of an ONU online upgrade system in this embodiment.
Detailed Description
The following further description is made with reference to the drawings and specific embodiments.
As shown in fig. 1, the present invention provides an ONU online upgrade method, which is used for performing version upgrade on ONU devices in an existing network, and mainly includes two major steps, namely a software generation process and a software upgrade process, where the software generation process includes the following steps:
s1: and generating common head information of a unified version, wherein the common head information comprises a Magic Number, an Image version, the Number of images and a first CRC.
S2: and generating a ProductHead list of each Image version in the unified version, wherein the ProductHead list comprises a plurality of ProductHead information, and each ProductHead information is respectively used for describing information corresponding to the Image, including the chip model, the product model, the Image length and the second CRC of the ONU.
S3: and packaging the Commonhead information, the Producthead list and each Image version to form a unified version upgrading program. And correspondingly filling the ProductHead information and the Image versions in sequence.
Fig. 2 is a schematic diagram of a logic structure of the unified version upgrading program, which mainly includes three large partitions, and the three large partitions are arranged in sequence. The first partition is unified version header common head information, which mainly includes a Magic Number, an Image version (version of the upgrade program), an Image Number (Number of the upgrade program) and a first CRC (Cyclic Redundancy Check) code.
The second partition is a ProductHead list, the ProductHead list comprises N pieces of ProductHead information, and each piece of ProductHead information is used for describing information of a corresponding Image program and comprises a chip model, a product model, an Image length and a second CRC code of the ONU.
The third partition is composed of N Image programs, and the arrangement order of the N Image programs corresponds to the ProductHead list, and the order of the N Image programs coincides with the order of the pieces of ProductHead information in the ProductHead list.
As shown in fig. 3, the software upgrading process includes the following steps:
STP 1: and after the software upgrading instruction is acquired from the network, reading and analyzing the data of the CommonHead information in the network.
STP 2: and judging whether the software to which the CommonHead information belongs is a unified version upgrading program.
STP 3: and if so, checking whether the Commonhead information, the Producthead information, the first CRC and the second CRC check code pass or not.
STP 4: if the CommonHead information, the first CRC, the ProductHead information and the second CRC check code are checked to be passed, searching the ProductHead information suitable for the equipment in the ProductHead list according to the chip model and the product model of the current ONU equipment, and calculating the offset of the position of the image version suitable for the equipment relative to the CommonHead information and the length of the image version according to the corresponding image size described in the ProductHead information.
STP 5: and acquiring a complete image version, and upgrading the version of the ONU equipment.
In step STP1, the existing network is a wide area network with a management protocol TR69, and the ONU device is connected to a network operator through the wide area network. After the ONU device obtains the software upgrading instruction from the existing network, it reads the CommonHead information in the network, and analyzes the data thereof to perform preparation and verification operations before version upgrading.
In step STP2, the step of determining whether the software to which the CommonHead information belongs is a unified version upgrade program specifically includes:
and judging the software to be the unified version upgrading program if the unified version upgrading program format is matched with the Magic Number in the Commonhead information.
Because the unified version upgrading program is in a specific format, the Magic Number in the Commonhead information is used for marking the specific format of the unified version upgrading program, if the Magic Number is matched with the format of the unified version upgrading program, the software to which the Commonhead information belongs can be regarded as the required unified version upgrading program, otherwise, the software is regarded as a common version.
Therefore, after the step STP2, the following steps are also included:
if the software is judged not to be the unified version upgrading program, the method comprises the following steps:
STP 21: reading all data of the software, and upgrading the version of the ONU equipment according to a common Image upgrading flow.
Namely, the ONU equipment is version-upgraded by using the conventional flow.
If the software is not the unified version upgrading program, step STP3 is entered, and the CommonHead information, the ProductHead information, the first CRC and the second CRC check code are checked.
If the verification is passed, step STP4 is entered, that is, the ProductHead information suitable for the device is searched in the ProductHead list according to the chip model and the product model of the current ONU device, and the offset of the location of the image version suitable for the device relative to the commonnead information and the length of the image version are calculated according to the corresponding image size described in the ProductHead information.
If the Commonhead information, the first CRC, the Producthead information or the second CRC check code check fails, the following steps are carried out:
STP 33: all remaining data is read and discarded and an error code is issued.
After STP4, the method further comprises the following steps:
if no ProductHead information suitable for the device is found, go to step STP 33.
If the ProductHead information suitable for the device is found, go to step STP 5.
Wherein, the step STP5 specifically includes:
and acquiring a complete Image version from the network, reading out and discarding other data, and upgrading the version of the ONU equipment according to a common Image upgrading flow.
In this embodiment, step STP3 specifically includes:
STP 31: judging whether the CommonHead information and the first CRC are legal or not;
if yes, entering the step:
STP 32: reading all ProductHead information data in sequence and checking the second CRC;
if not, the reading step is carried out:
STP 33: all remaining data is read and discarded and an error code is issued.
In order to enable the version of the ONU device to become effective immediately after the version upgrade, the software upgrade process of this embodiment further includes the steps of:
STP 6: and restarting the ONU equipment.
As shown in fig. 4, the present embodiment further provides an ONU online upgrade system 100, which is used for performing version upgrade on ONU devices in the existing network, and mainly comprises a software generation module 10 and a software upgrade module 20.
Wherein, the software generation module 10 includes:
a unified version header information generating unit 110 for generating unified version CommonHead information including a Magic Number, an Image version, an Image Number, and a first CRC;
a program header information generating unit 120, configured to generate a ProductHead list of each Image version in the unified version, where the ProductHead list includes multiple pieces of ProductHead information, and each piece of ProductHead information is used to describe information of a corresponding Image, where the information includes a chip model, a product model, an Image length, and a second CRC of an ONU;
a packaging unit 130, configured to package the CommonHead information, the ProductHead list, and each Image version to form a unified version upgrade program, where each ProductHead information and each Image version are sequentially and correspondingly filled;
the software upgrade module 20 includes:
the data obtaining unit 210 is configured to, after obtaining a software upgrade instruction from a network, read data of CommonHead information in the network and perform analysis;
a determining unit 220, configured to determine whether the software to which the CommonHead information belongs is a unified version upgrading program;
a checking unit 230, configured to check whether the CommonHead information, the ProductHead information, the first CRC and the second CRC check code pass, if it is determined that the software to which the CommonHead information belongs is a unified version upgrade program;
a searching unit 240, configured to search, in the ProductHead list, the ProductHead information suitable for the present device according to the chip model and the product model of the current ONU device if the CommonHead information, the first CRC, the ProductHead information, and the second CRC check code all pass the verification, and calculate, according to the corresponding image size described in the ProductHead information, an offset of the location of the image version suitable for the present device relative to the CommonHead information and a length of the image version;
an upgrade unit 250, configured to obtain a complete image version, and upgrade the version of the ONU device; and
a restart unit 260 for restarting the ONU device.
By the technical scheme, online unified version upgrading of all ONU equipment in the existing network can be realized.
In summary, the present invention includes a software generation process and a software upgrade process, in the software generation process, various verification information such as common head information and a product head list and various Image versions are encapsulated in a unified version upgrade program and are pushed to the ONU device through the existing network, in the software upgrade process, through verification of each verification information, an Image version suitable for the chip model and the product model of the ONU device is automatically searched, and completed version data is obtained, and finally, version upgrade of the ONU device is completed. The invention can uniformly upgrade ONU equipment of various product types and chip types in the current network only by pushing one uniform version upgrading program without independently manufacturing and pushing the upgrading program for each ONU equipment, thereby having high upgrading efficiency and avoiding upgrading failure caused by software error.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. An ONU online upgrade method is used for version upgrade of ONU equipment in the existing network and is characterized by comprising a software generation flow and a software upgrade flow,
the software generation flow comprises the following steps:
generating common head information of a unified version, wherein the common head information comprises a Magic Number, an Image version, the Number of images and a first CRC;
generating a ProductHead list of each Image version in the unified version, wherein the ProductHead list comprises a plurality of ProductHead information, and each ProductHead information is respectively used for describing information corresponding to the Image and comprises a chip model, a product model, an Image length and a second CRC of the ONU;
encapsulating the CommonHead information, the ProductHead list and the Image versions to form a unified version upgrading program, wherein the ProductHead information and the Image versions are correspondingly filled in sequence;
the software upgrading process comprises the following steps:
after a software upgrading instruction is obtained from a network, reading and analyzing common head information data in the network;
judging whether the software to which the CommonHead information belongs is a unified version upgrading program;
if yes, checking whether the Commonhead information, the Producthead information, the first CRC and the second CRC check code pass;
if the CommonHead information, the first CRC, the ProductHead information and the second CRC check code are checked to be passed, searching the ProductHead information suitable for the equipment in the ProductHead list according to the chip model and the product model of the current ONU equipment, and calculating the offset of the position of the image version suitable for the equipment relative to the CommonHead information and the length of the image version according to the corresponding image size described in the ProductHead information;
and acquiring a complete image version, and upgrading the version of the ONU equipment.
2. The ONU online upgrading method according to claim 1, characterized by: the step of judging whether the software to which the common head information belongs is a unified version upgrading program specifically comprises the following steps:
and judging the software to be the unified version upgrading program if the Magic Number in the CommonHead information is matched with the format of the unified version upgrading program.
3. The ONU online upgrading method according to claim 2, characterized by: after the step of judging whether the software to which the common head information belongs is a unified version upgrading program, the method further comprises the following steps:
and if the software is judged not to be the uniform version upgrading program, reading all data of the software, and upgrading the version of the ONU equipment according to the common Image upgrading flow.
4. The ONU online upgrading method according to claim 1, characterized by: after the step of checking the CommonHead information, the first CRC, the ProductHead information, and the second CRC check code, the method further comprises the steps of:
if the CommonHead information, first CRC, ProductHead information, or second CRC check code check fails, all remaining data is read and discarded, and an error code is issued.
5. The ONU online upgrading method according to claim 1, characterized by: if the common head information, the first CRC, the ProductHead information and the second CRC check code are verified, searching the ProductHead information suitable for the device in the ProductHead list according to the chip model and the product model of the current ONU device, and calculating an offset of a position of an image version suitable for the device relative to the common head information and a length of the image version according to a corresponding image size described in the ProductHead information, the method further includes the steps of:
if no ProductHead information suitable for the device is found, all remaining data is read and discarded, and an error code is sent out.
6. The ONU online upgrading method according to claim 1, characterized by: the steps of acquiring a complete image version and upgrading the version of the ONU equipment specifically comprise:
and acquiring a complete Image version from the network, reading out and discarding other data, and upgrading the version of the ONU equipment according to a common Image upgrading flow.
7. The ONU online upgrade method of claim 1 or 4, wherein: the step of checking the CommonHead information, the first CRC, the ProductHead information, and the second CRC check code specifically includes:
judging whether the CommonHead information and the first CRC are legal or not;
if yes, reading all ProductHead information data in sequence and checking the second CRC;
if not, all remaining data is read and discarded, and an error code is issued.
8. The ONU online upgrading method according to claim 1, characterized by: after the step of obtaining the complete image version and upgrading the version of the ONU device, the method further comprises the steps of:
and restarting the ONU equipment.
9. An ONU online upgrade system is used for upgrading the version of ONU equipment in the current network and is characterized by comprising a software generation module and a software upgrade module;
the software generation module comprises:
the unified version header information generating unit is used for generating unified version Commonhead information, and the Commonhead information comprises a Magic Number, an Image version, an Image Number and a first CRC;
the program header information generating unit is used for generating a ProductHead list of each Image version in the unified version, the ProductHead list comprises a plurality of ProductHead information, and each ProductHead information is respectively used for describing information corresponding to the Image and comprises a chip model, a product model, an Image length and a second CRC of the ONU;
the packaging unit is used for packaging the Commonhead information, the Producthead list and the Image versions to form a unified version upgrading program, wherein the Producthead information and the Image versions are correspondingly filled in sequence;
the software upgrading module comprises:
the data acquisition unit is used for reading and analyzing common head information data in the network after acquiring the software upgrading instruction from the network;
the judging unit is used for judging whether the software to which the CommonHead information belongs is a unified version upgrading program;
the verification unit is used for verifying whether the CommonHead information, the ProductHead information, the first CRC and the second CRC check code pass or not if the software to which the CommonHead information belongs is a unified version upgrading program;
the searching unit is used for searching the ProductHead information suitable for the equipment in the ProductHead list according to the chip model and the product model of the current ONU equipment if the CommonHead information, the first CRC, the ProductHead information and the second CRC check code are verified to be passed, and calculating the offset of the position of the image version suitable for the equipment relative to the CommonHead information and the length of the image version according to the corresponding image size described in the ProductHead information;
and the upgrading unit is used for acquiring the complete image version and upgrading the version of the ONU equipment.
10. The ONU online upgrade system according to claim 9, wherein: the ONU equipment comprises a reset unit and a reset unit, wherein the reset unit is used for resetting the ONU equipment.
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