CN115473853A - Method and device for preventing software upgrading package downloading of vehicle from blocking - Google Patents
Method and device for preventing software upgrading package downloading of vehicle from blocking Download PDFInfo
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- CN115473853A CN115473853A CN202210999750.9A CN202210999750A CN115473853A CN 115473853 A CN115473853 A CN 115473853A CN 202210999750 A CN202210999750 A CN 202210999750A CN 115473853 A CN115473853 A CN 115473853A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
- H04L47/2433—Allocation of priorities to traffic types
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/82—Miscellaneous aspects
- H04L47/821—Prioritising resource allocation or reservation requests
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
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Abstract
The invention discloses a method and a device for preventing a software upgrade package of a vehicle from being blocked during downloading, wherein the method comprises the following steps: sending a downloading request of the software upgrading package to a cloud server; receiving task scheduling configuration information and downloading flow control information which are dynamically sent by a cloud server according to the downloading request; analyzing the task scheduling configuration information and the downloading flow control information, dynamically managing the downloading of the software upgrading package according to the task scheduling configuration information, and dynamically updating the flow control strategy for downloading the software upgrading package according to the downloading flow control information. According to the method and the system, the cloud server configures the downloading task of the vehicle end, the vehicle end executes the downloading of the software upgrading package according to the configuration, and simultaneously monitors the downloading flow of the vehicle end and feeds the downloading flow back to the cloud server, so that the downloading task of the vehicle end is optimized and configured, or the downloading flow of the vehicle end is controlled, the smooth network of other services is guaranteed, the downloading of the software upgrading package is better guaranteed, and network congestion caused by downloading is prevented.
Description
Technical Field
The invention relates to an over-the-air downloading technology, in particular to a method and a device for preventing a software upgrade package of a vehicle from being blocked during downloading.
Background
The FOTA upgrade package capacity of the whole vehicle is usually large, often 2G, and the highest possible amount is more than 40G, and downloading large software packages often occupies large downlink bandwidth of a vehicle end, so that the problem of network congestion is caused. Once the vehicle-end network is congested, poor experiences such as stuttering and the like can occur when other services use the network in the normal vehicle using process of a user, for example, the experience problems such as slow response of voice instructions, unsmooth playing of online songs, stuttering of online map navigation and the like can occur.
Disclosure of Invention
Aiming at the technical problem, the invention provides a method and a device for preventing the software upgrade package downloading of a vehicle from being blocked.
In a first aspect of the present invention, a method for preventing a software upgrade package download from being blocked in a vehicle is provided, which includes:
sending a downloading request of the software upgrading package to a cloud server;
receiving task scheduling configuration information and downloading flow control information which are dynamically sent by a cloud server according to the downloading request;
analyzing the task scheduling configuration information and the downloading flow control information, dynamically managing the downloading of the software upgrading package according to the task scheduling configuration information, and dynamically updating the flow control strategy for downloading the software upgrading package according to the downloading flow control information.
Optionally, the method further comprises:
detecting the execution state of the software upgrading package downloaded by the vehicle end, detecting the use state of the vehicle end network, and feeding back the execution state of the software upgrading package downloaded by the vehicle end and the use state of the vehicle end network to the cloud server so as to enable the cloud server to dynamically adjust the task scheduling configuration information and the download flow control information.
Optionally, the parsing the task scheduling configuration information includes:
and acquiring a download task priority configuration table and a download task classification, and dynamically managing the downloading of the software upgrading package according to the download task priority configuration table and the download task classification, wherein the download task priority comprises a high priority, a medium priority and a low priority, and the three priorities are downloaded from high priority to low priority.
Optionally, the dynamically managing downloading of the software upgrade package according to the task scheduling configuration information, and dynamically updating the flow control policy for downloading the software upgrade package according to the download flow control information includes:
when a plurality of software upgrading package downloading tasks are parallel, carrying out current limiting control or suspending downloading on the low-priority downloading task according to the task priority configuration table; when the downloading tasks with high priority and medium priority are completed, the downloading flow of the downloading task with low priority is dynamically improved.
In a second aspect of the present invention, there is provided an apparatus for preventing a software upgrade package download of a vehicle from being blocked, comprising:
the request module is used for sending a downloading request of the software upgrading package to the cloud server;
the receiving module is used for receiving task scheduling configuration information and downloading flow control information which are dynamically sent by the cloud server according to the downloading request;
and the downloading module is used for analyzing the task scheduling configuration information and the downloading flow control information, dynamically managing the downloading of the software upgrading package according to the task scheduling configuration information, and dynamically updating the flow control strategy for downloading the software upgrading package according to the downloading flow control information.
Optionally, the device includes a feedback module, where the feedback module is configured to detect an execution state of the software upgrade package downloaded by the vehicle end, detect a network usage state of the vehicle end, and feed back the execution state of the software upgrade package downloaded by the vehicle end and the network usage state of the vehicle end to the cloud server, so that the cloud server dynamically adjusts the task scheduling configuration information and the download flow control information.
Optionally, the downloading module includes an analysis module, the analysis module is configured to obtain a downloading task priority configuration table and a downloading task category, and dynamically manage downloading of the software upgrade package according to the downloading task priority configuration table and the downloading task category, where the downloading task priority includes a high priority, a medium priority, and a low priority, and the three priorities are downloaded from high priority to low priority.
Optionally, the download module includes a flow control module, where the flow control module performs flow-limiting control or suspends downloading on a low-priority download task according to a task priority configuration table when multiple software upgrade package download tasks are parallel; and when the downloading tasks with high priority and medium priority are completed, dynamically improving the downloading flow of the downloading tasks with low priority.
In a third aspect of the present invention, there is provided a method for preventing a software upgrade package download of a vehicle from being blocked, 2 including:
the vehicle end sends a downloading request of the software upgrading package to the cloud server;
the cloud server generates vehicle-end task scheduling configuration information and downloading flow control information, and responds to a downloading request of a vehicle end and sends the downloading request to the vehicle end;
and the cloud server receives the execution state of the vehicle-end downloaded software upgrading package and the use state of the vehicle-end network, and dynamically updates the vehicle-end task scheduling configuration information and the downloading flow control information according to the execution state of the vehicle-end downloaded software upgrading package and the use state of the vehicle-end network.
In a fourth aspect of the invention, there is provided a vehicle comprising a processor, a memory and a computer program stored on the memory and operable on the processor, the computer program, when executed by the processor, being for performing the method of the first aspect of an embodiment of the invention.
In a fifth aspect of the present invention, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a computer, performs the method according to the first aspect of an embodiment of the present invention.
According to the technical scheme provided by the invention, the cloud server is used for configuring the downloading task of the vehicle end, the vehicle end executes the downloading of the software upgrading package according to the configuration, and simultaneously the downloading flow of the vehicle end is monitored and fed back to the cloud server so as to optimize the downloading task of the vehicle end or control the downloading flow of the vehicle end, ensure the smooth network of other services, better ensure the downloading of the software upgrading package and prevent the network congestion caused by the downloading.
The vehicle end can also dynamically feed back the execution condition of the downloading task and the network condition to the cloud server, and help the cloud server to better configure the downloading task and the related information.
Drawings
FIG. 1 is a flow chart illustrating a downloading anti-blocking method of a software upgrade package according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating another method for preventing software upgrade package from being blocked during downloading according to an embodiment of the present invention;
FIG. 3 is a block diagram illustrating a method for preventing software upgrade package download from blocking according to another embodiment of the present invention;
fig. 4 is a schematic block diagram of a software upgrade package download blocking prevention apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The execution main body of the downloading method of the FOTA-based software upgrading package comprises a vehicle end and a server, wherein the vehicle end is in communication connection with the server through a TBOX (tunnel boring bar oxide), the vehicle end is connected with the TBOX through a CAN (controller area network) bus or an Ethernet, and the TBOX is connected with the server through a wireless network.
In the conventional technology, the technical problem of network congestion is that the downloading task is generally limited directly, but the rough mode cannot meet the requirements of vast users and can also bring trouble of using vehicles to the vast users; the updating is slow, the memory of the vehicle end is occupied, and the condition that the response of the vehicle is slow still exists. Based on the method and the system, vehicle-end task processing is reduced as much as possible, and the downloading task of the software upgrading package is optimized by combining the cloud server and the vehicle-end network condition, so that the vehicle-end network condition can be ensured to be stable, and the vehicle-end task processing can be reduced.
As shown in fig. 1, the method for preventing the software upgrade package download from blocking for the vehicle provided by the present invention comprises the following steps:
step 110: sending a downloading request of the software upgrading package to a cloud server;
the method comprises the steps that a user can operate a vehicle end or vehicle end control software, a downloading request of a software upgrading package is sent from the vehicle end to a cloud server is executed, the cloud server returns a version option of the software upgrading package according to the downloading request, the vehicle end receives the version option and displays the version option to the user, when the user selects a target version from the version options and confirms the target version, the version information of the target version is sent to the cloud server, the cloud server returns a downloading address of the software upgrading package to the vehicle end, and finally the vehicle controller downloads the software upgrading package according to the downloading address; of course, other software contents can also be directly downloaded by adopting the above mode.
The download request can be sent by the user actively, or can be sent automatically after the vehicle is connected with the cloud server, or sent automatically or passively according to a set rule.
Step 120: receiving task scheduling configuration information and downloading flow control information which are dynamically sent by a cloud server according to the downloading request;
the cloud server continuously sends related information related to the downloaded software upgrading package to the vehicle end so as to improve the downloading speed of the vehicle end and ensure the network stability of the vehicle end. In one embodiment, the cloud server may suggest the vehicle end to download the software upgrade package by sending the configuration information and the control information according to the processing capability of the cloud server. If the cloud server supports a better download speed for some software upgrade packages, corresponding configuration information and control information can be added to the vehicle end, and conversely, if the download speed of some software upgrade packages is not supported well, the software upgrade packages are downloaded after being delayed, for example, the download priority is low.
The task scheduling configuration information comprises the downloading priority of the software upgrading package, and the downloading flow control information comprises flow control for controlling the downloading task according to the downloading priority, including options of current limiting control, downloading suspension and the like. Certainly, the cloud server can also perform packet splitting and packet compressing on the upgrade packet with larger capacity, and perform high or medium or low priority matching on the processing to realize the effect of dividing and treating. Accordingly, if the unpack packet and the compressed packet are downloaded, the task scheduling configuration information should also include related information.
As an example of a task scheduling implementation process, for different sizes of software upgrade packages, the upgrade packages are ranked according to an SJF (short job priority) scheduling algorithm, the upgrade packages with smaller/safety-related capacity are set to have a high priority, the upgrade packages with medium/medium capacity are set to have a medium priority, and the upgrade packages with larger capacity are set to have a low priority; aiming at the upgrade package with larger capacity, the priority matching is carried out by a split package and compression package mode according to a Huffman compression algorithm and a differential file upgrade algorithm.
Step 130: analyzing the task scheduling configuration information and the downloading flow control information, dynamically managing the downloading of the software upgrading package according to the task scheduling configuration information, and dynamically updating the flow control strategy for downloading the software upgrading package according to the downloading flow control information.
And after receiving the task scheduling configuration information and the downloading flow control information, the vehicle end dynamically adjusts the downloading task in real time. For example, if the task scheduling configuration information includes a download task of a software package with a higher priority, the download of the software package with the higher priority is performed, and the current download task of the vehicle end or the download flow is suspended or reduced. If the download tasks of the software packages with the same priority level exist, whether the software packages need to be downloaded simultaneously or not needs to be downloaded at the same time is considered, if not, the software packages are downloaded according to the sequence, or whether the download flow with the same priority level needs to be controlled or not is considered, if so, the download flow of the download tasks with the same priority level is controlled according to the download flow control information, and meanwhile, the download flow of the download tasks with other priority levels can also be controlled. It should be understood that when the downloading tasks are sequentially downloaded according to the priority order without using the downloading flow control information, the corresponding downloading flow information may not be executed, or the downloading flow information is only used by the user to balance the current downloading task with the flow used by other functions of the vehicle, such as voice navigation.
For example, the software upgrade package of the vehicle control system is configured with a high priority when downloading, for example, the priority of the software package related to system safety is higher than that of the entertainment software, if a download task of the entertainment software package is detected when downloading the vehicle control software package, the priority of the software package related to system safety is high, and after the priority is sorted, the corresponding software packages are downloaded according to the priority.
In the embodiment, the cloud server dynamically sends the task scheduling configuration information and the download flow control information which are dynamically sent by the download request, the vehicle end dynamically adjusts the download task according to the information, and meanwhile, the download flow control information is used for controlling the relevant download process, so that the normal use of the vehicle can not be influenced, the problems of accumulation, blockage and the like of the download task at the vehicle end can be prevented, and the task processing pressure at the vehicle end is reduced.
In addition, the task configuration of the cloud server can be the reason of the cloud server itself, and can also be the reason of a plurality of vehicle ends served by the cloud server to arrange task scheduling configuration information and download flow control information; the cloud server can control the downloading tasks of the plurality of vehicle ends to be more global, and compared with the method that the downloading tasks are issued to the plurality of vehicle ends for a single time, the method is more intelligent and higher in flexibility. Based on the method and the system, the downloading task can be better adjusted through the network use state fed back by the vehicle end, which is commonly seen in the increase of flow use caused by the sudden use of a high-flow function module by a user, and the downloading task can be better and more flexibly configured by adopting the scheme of the invention.
As shown in detail in fig. 2, the method provided by the present invention further includes:
step 140: detecting the execution state of the software upgrading package downloaded by the vehicle end, detecting the use state of the vehicle end network, and feeding back the execution state of the software upgrading package downloaded by the vehicle end and the use state of the vehicle end network to the cloud server so as to enable the cloud server to dynamically adjust the task scheduling configuration information and the download flow control information.
The vehicle end dynamically feeds back the vehicle end downloading task execution condition and the vehicle end network use condition to the cloud end server through the network, and the cloud end server can dynamically adjust the downloading task scheduling and adjust the downstream flow control strategy according to the vehicle state. The downloading task and the flow control are dynamically fed back to the vehicle end through the cloud end, and the vehicle end dynamically feeds back the task execution condition and the flow monitoring of the vehicle to the cloud end during execution, so that the dynamic adjustment of a closed loop is realized; by the method, the personalized configuration service of each vehicle can be realized, the downloading control of the software upgrading package can be realized, and the smoothness of a vehicle network can be kept.
Further, with reference to the embodiments shown in fig. 1 and fig. 2, in step 130, the analyzing the task scheduling configuration information further includes: and acquiring a download task priority configuration table and a download task classification, and dynamically managing the downloading of the software upgrading package according to the download task priority configuration table and the download task classification, wherein the download task priority comprises a high priority, a medium priority and a low priority, and the three priorities are downloaded from high priority to low priority.
The download task priority configuration table is a configuration table defined by the priority of the software upgrading package, and download tasks can be sequenced according to the table; the download task classification can be classified according to the type of the software upgrade package, such as a safety-related upgrade package, a split upgrade package, a compressed upgrade package, and the like; the downloading tasks can be managed in a more subdivided mode based on the types, for example, when the priorities are the same, the software packages with similar types can be downloaded simultaneously or sequentially, so that the vehicles can be immediately installed and used after the upgrading packages are downloaded, and the user experience is improved.
In step 130, the dynamically managing downloading of the software upgrade package according to the task scheduling configuration information and dynamically updating the flow control policy for downloading the software upgrade package according to the download flow control information includes: when a plurality of software upgrading package downloading tasks are parallel, carrying out current limiting control or suspending downloading on the low-priority downloading task according to the task priority configuration table; and when the downloading tasks with high priority and medium priority are completed, dynamically improving the downloading flow of the downloading tasks with low priority.
And aiming at different task downloads, the vehicle end can complete the flow control of the download tasks under different scenes, different priority levels and the same priority level according to the flow control strategy, so that the download jam is better prevented.
As shown in fig. 3, the present invention further provides a method for preventing a software upgrade package download from being blocked, which includes:
step 310: the vehicle end sends a downloading request of the software upgrading package to the cloud server;
step 320: the cloud server generates vehicle-end task scheduling configuration information and downloading flow control information, and responds to a downloading request of a vehicle end and sends the downloading request to the vehicle end;
step 330: and the cloud server receives the execution state of the vehicle-end downloaded software upgrading package and the use state of the vehicle-end network, and dynamically updates the vehicle-end task scheduling configuration information and the downloading flow control information according to the execution state of the vehicle-end downloaded software upgrading package and the use state of the vehicle-end network.
Specifically, after the vehicle end sends a request to the cloud server, the cloud server classifies and ranks the upgrade package according to an HPF (highest priority) scheduling algorithm, outputs the upgrade package as a download task scheduling configuration table, and defines the FOTA software upgrade package as a low-priority download task. The priority definition policy and rule may be to perform ranking according to SJF (short job priority) scheduling algorithm for different sizes of FOTA upgrade packages, set the upgrade package priority with small capacity/safety to high, set the capacity medium to medium, and set the capacity large to low. Aiming at the upgrade package with larger capacity, high or low grade matching is carried out by a split package and compression package mode according to a Huffman compression algorithm and a differential file upgrade algorithm.
The download flow control strategy is to perform dynamic download flow control on download tasks with different priorities according to a token bucket algorithm. When a plurality of downloading tasks are parallel, carrying out current limiting control (read window size) or pause (sleep pending) downloading on the low-priority downloading task according to a task scheduling configuration table; the cloud server dynamically updates a downloading flow control strategy along with the completion of high-priority and medium-priority tasks and the use condition of a network according to task execution feedback and the network condition of a vehicle end, and the vehicle end automatically allocates a task execution module so as to improve the flow of low-priority FOTA downloading; the network downloading efficiency is fully utilized, and the user experience is not influenced.
According to the method and the system, the cloud server configures the downloading task of the vehicle end, the vehicle end executes the downloading of the software upgrading package according to the configuration, and simultaneously monitors the downloading flow of the vehicle end and feeds the downloading flow back to the cloud server so as to optimize the downloading task of the vehicle end or control the downloading flow of the vehicle end, so that the downloading of the software upgrading package is better ensured while the smooth network of other services is ensured, and the network congestion caused by the downloading is prevented.
The vehicle end can also dynamically feed back the execution condition of the downloading task and the network condition to the cloud server, and help the cloud server to better configure the downloading task and the related information.
At least some steps of the above control method may be understood with reference to the embodiments described in fig. 1 to fig. 3, and are not repeated.
As shown in fig. 4, the present invention also provides an anti-blocking device for downloading a software upgrade package of a vehicle, comprising:
a request module 41, configured to send a download request of the software upgrade package to the cloud server;
a receiving module 42, configured to receive task scheduling configuration information and download flow control information that are dynamically sent by the cloud server according to the download request;
a downloading module 43, configured to analyze the task scheduling configuration information and the downloading flow control information, dynamically manage downloading of the software upgrade package according to the task scheduling configuration information, and dynamically update the flow control policy for downloading the software upgrade package according to the downloading flow control information.
Further, the device comprises a feedback module 44, wherein the feedback module is used for detecting the execution state of the software upgrading package downloaded by the vehicle end, detecting the service state of the vehicle end network, and feeding back the execution state of the software upgrading package downloaded by the vehicle end and the service state of the vehicle end network to the cloud server, so that the cloud server dynamically adjusts the task scheduling configuration information and the download flow control information.
Further, the downloading module 43 includes an analysis module, the analysis module is configured to obtain a downloading task priority configuration table and a downloading task category, and dynamically manage downloading of the software upgrade package according to the downloading task priority configuration table and the downloading task category, where the downloading task priority includes a high priority, a medium priority, and a low priority, and the three priorities are downloaded from high priority to low priority.
Further, the download module 43 includes a flow control module, where the flow control module performs flow-limiting control or suspends downloading on a low-priority download task according to a task priority configuration table when there are multiple parallel software upgrade package download tasks; and when the downloading tasks with high priority and medium priority are completed, dynamically improving the downloading flow of the downloading tasks with low priority.
The invention also provides a vehicle, which comprises a processor, a memory and a computer program stored on the memory and capable of running on the processor, wherein the computer program realizes the steps of the software upgrade package downloading anti-blocking method of the vehicle when being executed by the processor.
The invention also provides a computer readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the method for preventing software upgrade package downloading blocking for a vehicle as described above.
It is understood that the computer-readable storage medium may include: any entity or device capable of carrying a computer program, recording medium, U-disk, removable hard disk, magnetic disk, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), software distribution medium, and the like. The computer program includes computer program code. The computer program code may be in the form of source code, object code, an executable file or some intermediate form, and the like. The computer-readable storage medium may include: any entity or device capable of carrying computer program code, recording medium, U-disk, removable hard disk, magnetic disk, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), software distribution medium, and the like.
In some embodiments of the present invention, the apparatus may include a controller, and the controller is a single chip integrated with a processor, a memory, a communication module, and the like. The processor may refer to a processor included in the controller. The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
Those of ordinary skill in the art will appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components and steps of the various examples have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. A method for preventing software upgrading package downloading of a vehicle from blocking is characterized by comprising the following steps:
sending a downloading request of the software upgrading package to a cloud server;
receiving task scheduling configuration information and downloading flow control information which are dynamically sent by a cloud server according to the downloading request;
analyzing the task scheduling configuration information and the downloading flow control information, dynamically managing the downloading of the software upgrading package according to the task scheduling configuration information, and dynamically updating the flow control strategy for downloading the software upgrading package according to the downloading flow control information.
2. The method of claim 1, further comprising:
detecting the execution state of the software upgrading package downloaded by the vehicle end, detecting the use state of the vehicle end network, and feeding back the execution state of the software upgrading package downloaded by the vehicle end and the use state of the vehicle end network to the cloud server so as to enable the cloud server to dynamically adjust the task scheduling configuration information and the download flow control information.
3. The method of claim 1, wherein parsing the task scheduling configuration information comprises:
and acquiring a download task priority configuration table and a download task classification, and dynamically managing the downloading of the software upgrading package according to the download task priority configuration table and the download task classification, wherein the download task priority comprises a high priority, a medium priority and a low priority, and the three priorities are downloaded from high priority to low priority.
4. The method of claim 3, wherein dynamically managing the downloading of the software upgrade package according to the task scheduling configuration information and dynamically updating the flow control policy for downloading the software upgrade package according to the download flow control information comprises:
when a plurality of software upgrading package downloading tasks are parallel, carrying out current limiting control or suspending downloading on the low-priority downloading task according to the task priority configuration table; when the downloading tasks with high priority and medium priority are completed, the downloading flow of the downloading task with low priority is dynamically improved.
5. An anti-blocking device for downloading a software upgrade package of a vehicle, comprising:
the request module is used for sending a downloading request of the software upgrading package to the cloud server;
the receiving module is used for receiving task scheduling configuration information and downloading flow control information which are dynamically sent by the cloud server according to the downloading request;
and the downloading module is used for analyzing the task scheduling configuration information and the downloading flow control information, dynamically managing the downloading of the software upgrading package according to the task scheduling configuration information, and dynamically updating the flow control strategy for downloading the software upgrading package according to the downloading flow control information.
6. The device according to claim 5, comprising a feedback module, configured to detect an execution status of the software upgrade package downloaded by the vehicle, detect a vehicle network usage status, and feed back the execution status of the software upgrade package downloaded by the vehicle and the vehicle network usage status to the cloud server, so that the cloud server dynamically adjusts the task scheduling configuration information and the download flow control information.
7. The apparatus of claim 5, wherein the download module comprises an analysis module, the analysis module is configured to obtain a download task priority configuration table and a download task category, and dynamically manage downloading of the software upgrade package according to the download task priority configuration table and the download task category, wherein the download task priority includes a high priority, a medium priority, and a low priority, and the three priorities are downloaded from the high priority to the low priority.
8. The apparatus of claim 7, wherein the download module comprises a flow control module, and the flow control module performs flow-limiting control or suspends downloading of a low-priority download task according to a task priority configuration table when a plurality of software upgrade package download tasks exist in parallel; and when the downloading tasks with high priority and medium priority are completed, dynamically improving the downloading flow of the downloading tasks with low priority.
9. A method for preventing software upgrading package downloading of a vehicle from blocking is characterized by comprising the following steps:
the vehicle end sends a downloading request of the software upgrading package to the cloud server;
the cloud server generates vehicle-end task scheduling configuration information and downloading flow control information, and responds to a downloading request of a vehicle end and sends the downloading request to the vehicle end;
and the cloud server receives the execution state of the vehicle-end downloaded software upgrading packet and the using state of the vehicle-end network, and dynamically updates the vehicle-end task scheduling configuration information and the downloading flow control information according to the execution state of the vehicle-end downloaded software upgrading packet and the using state of the vehicle-end network.
10. A vehicle comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, performing the steps of the method of anti-jamming of a software upgrade package download for a vehicle according to any one of claims 1 to 4.
11. A computer-readable storage medium, having stored thereon a computer program which, when executed by a computer, performs a method of preventing software upgrade package download blocking for a vehicle according to any one of claims 1 to 4.
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| Publication number | Priority date | Publication date | Assignee | Title |
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