CN113099303A - Directional upgrading method for digital television set top box - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/4508—Management of client data or end-user data
- H04N21/4516—Management of client data or end-user data involving client characteristics, e.g. Set-Top-Box type, software version or amount of memory available
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Abstract
The invention discloses a directional upgrading method for a digital television set top box. The method comprises the following steps that after a set-top box software system enters an upgrading program from a starting program, an upgrading mark is detected firstly, whether an application program triggers upgrading is judged, whether a directional upgrading mark is contained is judged, and if the directional upgrading mark exists, directional upgrading is executed: firstly analyzing an oriented forced upgrade mark in upgrade strategy information in a transport stream, then analyzing an oriented descriptor in the upgrade strategy information in the transport stream, obtaining a matching field of an STB identity marking area according to the analyzed oriented descriptor, judging whether oriented upgrade is needed or not according to a descriptor strategy, and if oriented upgrade is needed, downloading upgrade data, completing upgrade and restarting. The method realizes the directional upgrade of a set top box, a certain chip area and the set top box within a certain serial number range, reduces the risk brought by large-area upgrade and increases the convenience of operation and maintenance.
Description
Technical Field
The invention belongs to the technical field of digital television set-top boxes, and relates to a directional upgrading method for a digital television set-top box.
Background
The Set-Top Box (STB for short) includes hardware and software, and is a device that processes an external input signal source, which includes cable, satellite and ground wave, and outputs the processed signal to a television for display. The software system of the set-top box comprises a Boot program (Boot), an upgrading program (Loader), an Application program (Application) and a Data area (Data).
The software of the set-top box is stored on the memory of the set-top box. When the set-top boxes leave a factory, the unique identity mark of each set-top box is also stored in the memory, and comprises a manufacturer equipment ID (manufacture ID), a model ID (model ID), an area number (Region number), a Hardware version number (Hardware version number), a Software version number (Software version number), a set-top box Serial number (Serial number), an Ethernet physical address (MAC) and an intelligent card number (Smart card number). With the continuous change of the operator's requirements and the adjustment of the set-top box functions, the upgrade of the set-top box software in the existing operating network becomes more and more frequent. At present, the upgrading of operators is the unified upgrading of the whole network, and the multi-dimensional upgrading strategy control of specific regions and specific users is difficult to achieve.
Disclosure of Invention
The invention aims to provide a method for directionally upgrading a digital television set top box.
The software system partition of the set-top box comprises a starting program, an STB identity marking area, an upgrading program, an application program and a data area; the STB identity marking area comprises an area number, a hardware version number, a software version number, a set top box serial number, an Ethernet physical address and an intelligent card number.
The upgrade information in the transport stream comprises upgrade trigger information, upgrade strategy information and upgrade data; the parameters of the upgrading trigger information comprise an area number, a hardware version number, a software version number, a set top box serial number, an Ethernet physical address and an intelligent card number; the parameters of the upgrading strategy information comprise a directional upgrading mark, a directional forced upgrading mark and a directional descriptor; the upgrade trigger information in the upgrade program download transport stream is used for matching the identity of the set-top box, after the identity is successfully matched, the upgrade strategy information in the upgrade program download transport stream determines whether the upgrade is needed, if the upgrade is needed, the upgrade data is downloaded, and the application program is upgraded.
The directional descriptor structure body comprises a descriptor mark, a descriptor strategy, a descriptor length and a descriptor data, and comprises an area directional descriptor, a time period directional descriptor, a hardware version number directional descriptor, a software version number directional descriptor, a serial number directional descriptor, an intelligent card number directional descriptor and an Ethernet physical address directional descriptor.
The software system of the set-top box is executed in the following way:
s1, a set-top box is powered on, and a set-top box software system enters an upgrading program from a starting program;
s2, detecting an upgrading mark, and judging whether the application program triggers upgrading: if the upgrading mark is not detected, the upgrading is not needed, and the system enters an application program; if the upgrade flag is detected, the upgrade program downloads and analyzes the upgrade trigger information, and S3 is executed;
s3, judging whether a directional upgrading mark is contained:
if no directional upgrading mark exists, the upgrading information is matched according to the general upgrading treatment; if the data is matched with the upgrade data, general upgrade is needed, the upgrade data is downloaded, and the upgrade is completed and then the system is restarted; if not, the system enters an application program without upgrading;
if the directional upgrading mark exists, performing directional upgrading; the specific method for directional upgrading comprises the following steps:
(1) and analyzing the directional upgrading mark and the directional forced upgrading mark in the upgrading strategy information in the transport stream.
(2) Analyzing the directional descriptor in the upgrading strategy information in the transmission stream; the method comprises the following steps:
a. if the region orientation descriptor is contained, analyzing to obtain a region strategy: if the regional strategy is invalid, abandoning the analysis; if the region strategy is effective, analyzing to obtain all region start and region end until the region descriptor length;
b. if the time period orientation descriptor is contained, analyzing to obtain a time period strategy: if the time interval strategy is invalid, giving up analyzing the time interval data; if the time interval strategy is effective, analyzing to obtain all the time interval start and time interval end until the time interval descriptor length;
c. if the hardware version number directional descriptor is contained, analyzing to obtain a hardware version number strategy: if the hardware version number strategy is invalid, giving up analyzing the hardware version number data; if the strategy of the hardware version number is effective, analyzing to obtain the start of all hardware version numbers and the end of all hardware version numbers until the sub-length of the hardware version number is described;
d. if the software version number directional descriptor is contained, analyzing to obtain a software version number strategy: if the software version number strategy is invalid, giving up analyzing the software version number data; if the software version number strategy is effective, analyzing to obtain the start of all software version numbers and the end of all software version numbers until the software version number describes the sub-length;
e. if the sequence number directional descriptor is contained, analyzing to obtain a sequence number strategy: if the sequence number strategy is invalid, discarding analyzing the sequence number data; if the sequence number strategy is effective, analyzing to obtain all sequence number start and sequence number end until the sequence number descriptor length;
f. if the intelligent card number orientation descriptor is contained, the intelligent card number strategy is obtained through analysis: if the intelligent card number strategy is invalid, giving up analyzing the intelligent card number data; if the intelligent card number strategy is effective, analyzing to obtain all intelligent card number start and intelligent card number end until the intelligent card number descriptor length;
g. if the Ethernet physical address orientation descriptor is contained, the Ethernet physical address strategy is obtained through analysis: if the Ethernet physical address strategy is invalid, giving up analyzing the Ethernet physical address data; if the Ethernet physical address strategy is effective, analyzing to obtain the start of all the Ethernet physical addresses and the end of all the Ethernet physical addresses until the sub-length of the Ethernet physical address descriptor.
(3) Obtaining a matching field of the STB identity marking area according to the analyzed directional descriptor; the method comprises the following steps:
if the STB contains the area orientation descriptor, the matching field of the STB identity marking area is an area number stored by the local computer;
if the STB contains the time slot orientation descriptor, the matching field of the STB identity marking area is a stored hardware version number;
if the STB contains the hardware version number directional descriptor, the matching field of the STB identity marking area is a stored software version number;
if the STB contains the software version number directional descriptor, the matching field of the STB identity marking area is a stored STB serial number;
if the STB contains the serial number directional descriptor, the matching field of the STB identity marking area is a stored Ethernet physical address;
if the STB contains the intelligent card number orientation descriptor, the matching field of the STB identity marking area is the stored intelligent card number;
if the STB contains the Ethernet physical address orientation descriptor, the matching field of the STB identity marking area is the stored area number.
(4) If the strategy obtained by analysis is invalid, the strategy does not participate in upgrading judgment; otherwise, the following judgment is carried out:
if the matching field of the stored STB identity marking area is smaller than all the initial description subdata, directional upgrading is needed;
if the matching field of the stored STB identity marking area is less than or equal to all the initial description subdata, directional upgrading is needed;
if the matching field of the stored STB identity marking area is larger than all the end description subdata, directional upgrading is needed;
if the matching field of the stored STB identity marking area is more than or equal to all the end description subdata, directional upgrading is needed;
if the matching field of the stored STB identity marking area is equal to all the initial description subdata and all the end description subdata, directional upgrading is needed;
if the matching field of the stored STB identity marking area is not equal to all the initial description subdata and all the end description subdata, directional upgrading is needed;
if the matching field of the stored STB identity marking area is between all the initial description subdata and all the end description subdata, directional upgrading is needed;
if the matching field of the stored STB identity flag field is outside of all the start description sub-data and all the end description sub-data, then a targeted upgrade is required.
(5) If the area orientation descriptor is contained and the upgrading strategy corresponding to the orientation upgrading is met,
or contains time period directional descriptors and meets the upgrading strategy corresponding to the directional upgrading,
or contains a hardware version number directional descriptor and meets the upgrading strategy corresponding to the directional upgrading,
or contains a software version number directional descriptor and meets the upgrading strategy corresponding to the directional upgrading,
or contains a serial number directional descriptor and meets the upgrading strategy corresponding to the directional upgrading,
or contains the intelligent card number orientation descriptor and meets the upgrading strategy corresponding to the orientation upgrading,
or contains Ethernet physical address orientation descriptor, and satisfies the corresponding upgrading strategy needing orientation upgrading,
then the system needs to be upgraded directionally, download the upgrade data and restart the system after upgrading is completed;
otherwise, the system enters the application program without directional upgrading.
The invention aims to provide a method for judging whether to execute upgrading, which realizes the directional upgrading aiming at a specific region, a specific time period and a specific user.
The method can perform directional upgrade on a set top box, a Region (Region) and the set top box within a sequence number range, reduce the risk caused by large-area upgrade and increase the convenience of operation and maintenance.
Drawings
FIG. 1 is a schematic view of a software system partition of a set-top box;
FIG. 2 is a schematic diagram of the STB identification area of FIG. 1;
FIG. 3 is a schematic diagram of upgrade information in a transport stream;
FIG. 4 is a schematic diagram of upgrade trigger information in a transport stream;
FIG. 5 is a diagram illustrating a directional descriptor in upgrade policy information in a transport stream;
fig. 6 is a schematic diagram of upgrade policy information in a transport stream.
Detailed Description
As shown in fig. 1, the software system partition of the set-top box includes a Boot program (Boot), an STB identity Area (identity Area), an upgrade program (Loader), an Application program (Application), and a Data Area (Data).
The STB identity marking area is stored in the set-top box memory, is a unique identity mark when each set-top box leaves a factory, and includes an equipment provider (manufacturer ID), an equipment Model (Model ID), an area number (Region number), a Hardware version number (Hardware version), a Software version number (Software version), a set-top box Serial number (Serial number), an ethernet physical address (MAC), and an intelligent card number (Smart card number), as shown in fig. 2.
As shown in fig. 3, the upgrade information in the transport stream includes upgrade trigger information (Update trigger information), upgrade policy information (Update policy information), and upgrade Data (Update Data).
The method comprises the steps that an upgrading program (Loader) downloads upgrading trigger information (Update trigger information) in a transport stream to carry out set top box identity matching, after the identity matching is successful, the upgrading program (Loader) downloads upgrading strategy information (Update policy information) in the transport stream to determine whether upgrading is needed, if upgrading is needed, upgrading data are downloaded, and an Application program (Application) is upgraded.
The parameters of the upgrade trigger information in the transport stream issued by the front end include: a device provider (Manufacture ID), a device Model number (Model ID), a Region number (Region number), a Hardware version number (Hardware version), a Software version number (Software version), a set-top box Serial number (Serial number), an ethernet physical address (MAC), a Smart card number (Smart card number), as shown in fig. 4.
The parameters of the upgrade policy information in the transport stream issued by the front end include: a directional upgrade Flag (Directed Flag), a directional Forced upgrade Flag (Directed Forced Flag), and a directional descriptor. As shown in fig. 5, the orientation description sub-structure is defined as a structure including a Descriptor tag (Descriptor tag Ti), a Descriptor policy (Descriptor policy Pi), a Descriptor length (Descriptor length Li), and a Descriptor data (Descriptor data Di). The parameters of the upgrade policy information in the transport stream delivered by the front end are shown in fig. 6.
The orientation descriptor includes: a Region oriented descriptor (Region oriented descriptor), a period oriented descriptor (Date time oriented descriptor), a Hardware version number oriented descriptor (Hardware version number oriented descriptor), a Software version number oriented descriptor (Software version number oriented descriptor), a Serial number oriented descriptor (Serial number oriented descriptor), a Smart card number oriented descriptor (Smart card oriented descriptor), and an ethernet physical address oriented descriptor (MAC oriented descriptor).
The orientation Descriptor definition Descriptor policy (Descriptor policy) includes: invalid (Invalid), less than (<), less than or equal to (< ═), greater than (>), greater than or equal to (>), equal to (═), not equal to (| >), between … (inclusive), outside … (exclusive).
In the orientation Descriptor definition, a Descriptor data structure includes: start description sub-data 1(Descriptor data S1), end description sub-data 1(Descriptor data E1), start description sub-data 2(Descriptor data S2), end description sub-data 2(Descriptor data E2) … start description sub-data n (Descriptor data sn), end description sub-data n (Descriptor data en); and the sum of the start length and the end length of the start descriptor data 1 to the start descriptor data n is equal to the descriptor length, that is:
descriptor length is Descriptor data S1+ Descriptor data E1+ Descriptor data S2+ Descriptor data E2+ … + Descriptor data Si + Descriptor data Ei (i > -0 and i < ═ n).
The software system of the set-top box is executed in the following way:
s1, a set-top box is powered on, and a set-top box software system enters an upgrading program from a starting program;
s2, detecting an upgrading mark, and judging whether the application program triggers upgrading: if the upgrade flag is not detected, the system enters an application program without upgrading; if the upgrade flag is detected, the upgrade program downloads and analyzes the upgrade trigger information, and S3 is executed;
s3, judging whether a directional upgrading mark is contained:
if no directional upgrading mark exists, the upgrading information is matched according to the general upgrading treatment; if the data is matched with the upgrade data, general upgrade is needed, the upgrade data is downloaded, and the upgrade is completed and then the system is restarted; if not, the system enters an application program without upgrading;
and if the directional upgrading mark exists, performing directional upgrading.
The specific method for directional upgrading comprises the following steps:
(1) analyzing a directional forced upgrading mark in upgrading strategy information in a transmission stream;
(2) analyzing the directional descriptor in the upgrading strategy information in the transmission stream; the method comprises the following steps:
a. if the region orientation descriptor is contained, analyzing to obtain a region strategy: if the regional strategy is invalid, abandoning the analysis; if the region strategy is effective, analyzing to obtain all region start and region end until the region descriptor length;
b. if the time period orientation descriptor is contained, analyzing to obtain a time period strategy: if the time interval strategy is invalid, giving up analyzing the time interval data; if the time interval strategy is effective, analyzing to obtain all the time interval start and time interval end until the time interval descriptor length;
c. if the hardware version number directional descriptor is contained, analyzing to obtain a hardware version number strategy: if the hardware version number strategy is invalid, giving up analyzing the hardware version number data; if the strategy of the hardware version number is effective, analyzing to obtain the start of all hardware version numbers and the end of all hardware version numbers until the sub-length of the hardware version number is described;
d. if the software version number directional descriptor is contained, analyzing to obtain a software version number strategy: if the software version number strategy is invalid, giving up analyzing the software version number data; if the software version number strategy is effective, analyzing to obtain the start of all software version numbers and the end of all software version numbers until the software version number describes the sub-length;
e. if the sequence number directional descriptor is contained, analyzing to obtain a sequence number strategy: if the sequence number strategy is invalid, discarding analyzing the sequence number data; if the sequence number strategy is effective, analyzing to obtain all sequence number start and sequence number end until the sequence number descriptor length;
f. if the intelligent card number orientation descriptor is contained, the intelligent card number strategy is obtained through analysis: if the intelligent card number strategy is invalid, giving up analyzing the intelligent card number data; if the intelligent card number strategy is effective, analyzing to obtain all intelligent card number start and intelligent card number end until the intelligent card number descriptor length;
g. if the Ethernet physical address orientation descriptor is contained, the Ethernet physical address strategy is obtained through analysis: if the Ethernet physical address strategy is invalid, giving up analyzing the Ethernet physical address data; if the Ethernet physical address strategy is effective, analyzing to obtain the start of all the Ethernet physical addresses and the end of all the Ethernet physical addresses until the sub-length of the Ethernet physical address descriptor.
(3) Obtaining a matching field of the STB identity marking area according to the analyzed directional descriptor; the method comprises the following steps:
if the STB contains the area orientation descriptor, the matching field of the STB identity marking area is an area number stored by the local computer;
if the STB contains the time slot orientation descriptor, the matching field of the STB identity marking area is a stored hardware version number;
if the STB contains the hardware version number directional descriptor, the matching field of the STB identity marking area is a stored software version number;
if the STB contains the software version number directional descriptor, the matching field of the STB identity marking area is a stored STB serial number;
if the STB contains the serial number directional descriptor, the matching field of the STB identity marking area is a stored Ethernet physical address;
if the STB contains the intelligent card number orientation descriptor, the matching field of the STB identity marking area is the stored intelligent card number;
if the STB contains the Ethernet physical address orientation descriptor, the matching field of the STB identity marking area is a stored area number;
(4) and judging an upgrading strategy according to the descriptor strategy of the orientation descriptor:
A. and (4) invalidation: does not participate in upgrading judgment;
B. less than: if the matching field of the stored STB identity marking area is smaller than all the initial description sub-data (Descriptor data Si, i is more than or equal to 1 and less than or equal to n), directional upgrading is needed;
C. less than or equal to: if the matching field of the stored STB identity marking area is less than or equal to all the initial description sub-data (Descriptor data Si, i is more than or equal to 1 and less than or equal to n), directional upgrading is needed;
D. greater than: if the matching field of the stored STB identity marking area is larger than all the ending description subdata (Descriptor data Ei, i is more than or equal to 1 and less than or equal to n), directional upgrading is needed;
E. greater than or equal to: if the matching field of the stored STB identity marking area is more than or equal to all the ending description subdata (Descriptor data Ei, i is more than or equal to 1 and less than or equal to n), directional upgrading is needed;
F. equal to: if the matching field of the stored STB identity marking area is equal to all the initial description subdata and all the end description subdata, directional upgrading is needed;
G. not equal to: if the matching field of the stored STB identity marking area is not equal to all the initial description subdata and all the end description subdata, directional upgrading is needed;
H. between …: if the matching field of the stored STB identity marking area is between all the initial description subdata and all the end description subdata, directional upgrading is needed;
I. outside of …: if the matching field of the stored STB identity marking area is between all the initial description subdata and all the end description subdata, directional upgrading is needed;
(5) if the area orientation descriptor is contained and the upgrading strategy corresponding to the orientation upgrading is met,
or contains time period directional descriptors and meets the upgrading strategy corresponding to the directional upgrading,
or contains a hardware version number directional descriptor and meets the upgrading strategy corresponding to the directional upgrading,
or contains a software version number directional descriptor and meets the upgrading strategy corresponding to the directional upgrading,
or contains a serial number directional descriptor and meets the upgrading strategy corresponding to the directional upgrading,
or contains the intelligent card number orientation descriptor and meets the upgrading strategy corresponding to the orientation upgrading,
or contains Ethernet physical address orientation descriptor, and satisfies the corresponding upgrading strategy needing orientation upgrading,
then the system needs to be upgraded directionally, download the upgrade data and restart the system after upgrading is completed;
otherwise, the system enters the application program without directional upgrading.
Claims (1)
1. A directional upgrading method for a digital television set top box is characterized in that:
the software system partition of the set-top box comprises a starting program, an STB identity marking area, an upgrading program, an application program and a data area; the STB identity marking area comprises an area number, a hardware version number, a software version number, a set top box serial number, an Ethernet physical address and an intelligent card number;
the upgrade information in the transport stream comprises upgrade trigger information, upgrade strategy information and upgrade data; the parameters of the upgrading trigger information comprise an area number, a hardware version number, a software version number, a set top box serial number, an Ethernet physical address and an intelligent card number; the parameters of the upgrading strategy information comprise a directional upgrading mark, a directional forced upgrading mark and a directional descriptor; the upgrading trigger information in the upgrading program downloading transmission stream is used for carrying out set-top box identity matching, after the identity matching is successful, upgrading strategy information in the upgrading program downloading transmission stream determines whether upgrading is needed, if upgrading is needed, upgrading data are downloaded, and the application program is upgraded;
the directional descriptor structure body comprises a descriptor mark, a descriptor strategy, a descriptor length and a descriptor data, and comprises an area directional descriptor, a time period directional descriptor, a hardware version number directional descriptor, a software version number directional descriptor, a serial number directional descriptor, an intelligent card number directional descriptor and an Ethernet physical address directional descriptor;
the software system of the set-top box is executed in the following way:
s1, a set-top box is powered on, and a set-top box software system enters an upgrading program from a starting program;
s2, detecting an upgrading mark, and judging whether the application program triggers upgrading: if the upgrading mark is not detected, the upgrading is not needed, and the system enters an application program; if the upgrade flag is detected, the upgrade program downloads and analyzes the upgrade trigger information, and S3 is executed;
s3, judging whether a directional upgrading mark is contained:
if no directional upgrading mark exists, the upgrading information is matched according to the general upgrading treatment; if the data is matched with the upgrade data, general upgrade is needed, the upgrade data is downloaded, and the upgrade is completed and then the system is restarted; if not, the system enters an application program without upgrading;
if the directional upgrading mark exists, performing directional upgrading; the specific method for directional upgrading comprises the following steps:
(1) analyzing a directional upgrading mark and a directional forced upgrading mark in the upgrading strategy information in the transmission stream;
(2) analyzing the directional descriptor in the upgrading strategy information in the transmission stream; the method comprises the following steps:
a. if the region orientation descriptor is contained, analyzing to obtain a region strategy: if the regional strategy is invalid, abandoning the analysis; if the region strategy is effective, analyzing to obtain all region start and region end until the region descriptor length;
b. if the time period orientation descriptor is contained, analyzing to obtain a time period strategy: if the time interval strategy is invalid, giving up analyzing the time interval data; if the time interval strategy is effective, analyzing to obtain all the time interval start and time interval end until the time interval descriptor length;
c. if the hardware version number directional descriptor is contained, analyzing to obtain a hardware version number strategy: if the hardware version number strategy is invalid, giving up analyzing the hardware version number data; if the strategy of the hardware version number is effective, analyzing to obtain the start of all hardware version numbers and the end of all hardware version numbers until the sub-length of the hardware version number is described;
d. if the software version number directional descriptor is contained, analyzing to obtain a software version number strategy: if the software version number strategy is invalid, giving up analyzing the software version number data; if the software version number strategy is effective, analyzing to obtain the start of all software version numbers and the end of all software version numbers until the software version number describes the sub-length;
e. if the sequence number directional descriptor is contained, analyzing to obtain a sequence number strategy: if the sequence number strategy is invalid, discarding analyzing the sequence number data; if the sequence number strategy is effective, analyzing to obtain all sequence number start and sequence number end until the sequence number descriptor length;
f. if the intelligent card number orientation descriptor is contained, the intelligent card number strategy is obtained through analysis: if the intelligent card number strategy is invalid, giving up analyzing the intelligent card number data; if the intelligent card number strategy is effective, analyzing to obtain all intelligent card number start and intelligent card number end until the intelligent card number descriptor length;
g. if the Ethernet physical address orientation descriptor is contained, the Ethernet physical address strategy is obtained through analysis: if the Ethernet physical address strategy is invalid, giving up analyzing the Ethernet physical address data; if the Ethernet physical address strategy is effective, analyzing to obtain the start of all Ethernet physical addresses and the end of all the Ethernet physical addresses until the length of the Ethernet physical address descriptor;
(3) obtaining a matching field of the STB identity marking area according to the analyzed directional descriptor; the method comprises the following steps:
if the STB contains the area orientation descriptor, the matching field of the STB identity marking area is an area number stored by the local computer;
if the STB contains the time slot orientation descriptor, the matching field of the STB identity marking area is a stored hardware version number;
if the STB contains the hardware version number directional descriptor, the matching field of the STB identity marking area is a stored software version number;
if the STB contains the software version number directional descriptor, the matching field of the STB identity marking area is a stored STB serial number;
if the STB contains the serial number directional descriptor, the matching field of the STB identity marking area is a stored Ethernet physical address;
if the STB contains the intelligent card number orientation descriptor, the matching field of the STB identity marking area is the stored intelligent card number;
if the STB contains the Ethernet physical address orientation descriptor, the matching field of the STB identity marking area is a stored area number;
(4) if the strategy obtained by analysis is invalid, the strategy does not participate in upgrading judgment; otherwise, the following judgment is carried out:
if the matching field of the stored STB identity marking area is smaller than all the initial description subdata, directional upgrading is needed;
if the matching field of the stored STB identity marking area is less than or equal to all the initial description subdata, directional upgrading is needed;
if the matching field of the stored STB identity marking area is larger than all the end description subdata, directional upgrading is needed;
if the matching field of the stored STB identity marking area is more than or equal to all the end description subdata, directional upgrading is needed;
if the matching field of the stored STB identity marking area is equal to all the initial description subdata and all the end description subdata, directional upgrading is needed;
if the matching field of the stored STB identity marking area is not equal to all the initial description subdata and all the end description subdata, directional upgrading is needed;
if the matching field of the stored STB identity marking area is between all the initial description subdata and all the end description subdata, directional upgrading is needed;
if the matching field of the stored STB identity marking area is between all the initial description subdata and all the end description subdata, directional upgrading is needed;
(5) if the area orientation descriptor is contained and the upgrading strategy corresponding to the orientation upgrading is met,
or contains time period directional descriptors and meets the upgrading strategy corresponding to the directional upgrading,
or contains a hardware version number directional descriptor and meets the upgrading strategy corresponding to the directional upgrading,
or contains a software version number directional descriptor and meets the upgrading strategy corresponding to the directional upgrading,
or contains a serial number directional descriptor and meets the upgrading strategy corresponding to the directional upgrading,
or contains the intelligent card number orientation descriptor and meets the upgrading strategy corresponding to the orientation upgrading,
or contains Ethernet physical address orientation descriptor, and satisfies the corresponding upgrading strategy needing orientation upgrading,
then the system needs to be upgraded directionally, download the upgrade data and restart the system after upgrading is completed;
otherwise, the system enters the application program without directional upgrading.
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Citations (4)
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