CN115914239A - Program downloading method, device, computer equipment and storage medium - Google Patents
Program downloading method, device, computer equipment and storage medium Download PDFInfo
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Abstract
The application discloses a program downloading method, a program downloading device, computer equipment and a storage medium. The method comprises the steps that a program downloading request sent by a first vehicle is responded, and a first attribute array corresponding to the first vehicle and a second attribute array corresponding to each second vehicle are obtained; determining the satisfaction degree score of the second attribute array corresponding to each second vehicle relative to the first attribute array to obtain the satisfaction degree score corresponding to each second vehicle; determining the second vehicles meeting the degree scores and meeting preset conditions from the plurality of second vehicles as target vehicles, and sending the vehicle addresses of the target vehicles to the first vehicles, wherein the first vehicles are used for downloading the programs from the target vehicles based on the vehicle addresses. Through the satisfaction degree score of the second attribute array corresponding to the second vehicle relative to the first attribute array, the second vehicle can be more accurately distributed to the first vehicle as a downloading source vehicle of the program, and the downloading speed of the program of the first vehicle is improved.
Description
Technical Field
The present application relates to the field of in-vehicle systems, and in particular, to a program downloading method and apparatus, a computer device, and a storage medium.
Background
The Over-the-Air Technology (OTA) is mainly used for firmware upgrade or application update of a vehicle-end domain controller, and brings new vehicle using experience to users. However, in a general upgrading process, the capacity of a program package required by a vehicle end is usually large, and a large number of vehicles are involved, in order to respond to a large number of requests in a short time, a server often bears a large pressure and is prone to downtime, if user experience is guaranteed and the risk of downtime of the server is reduced, the bandwidth of the server needs to be increased, the hardware cost of the method is high, the utilization rate of the server is not high, resource waste is prone to being caused, and if a program is acquired in an end-to-end transmission mode, the safety and the transmission efficiency of data sharing are also difficult to guarantee.
Disclosure of Invention
In view of the above problems, the present application proposes a program downloading method, apparatus, computer device, and storage medium to achieve a reduction in the pressure on server hardware and bandwidth when a large number of vehicles download a program from a server at the same time.
In a first aspect, an embodiment of the present application provides a program downloading method, where the method includes: responding to a program downloading request sent by a first vehicle, and acquiring a first attribute array corresponding to the first vehicle and a second attribute array corresponding to each second vehicle, wherein the first attribute array is used for representing the current state information of the first vehicle, and the second attribute array is used for representing the current state information of the second vehicle; determining a satisfaction score of a second attribute array corresponding to each second vehicle relative to the first attribute array to obtain the satisfaction score corresponding to each second vehicle, wherein the satisfaction score of the second vehicle is the same as a program required to be downloaded by the first vehicle, and the satisfaction score is used for representing the efficiency of downloading the program from the second vehicle by the first vehicle; determining the second vehicles meeting the degree score meeting the preset condition from the plurality of second vehicles as target vehicles, and sending the vehicle addresses of the target vehicles to the first vehicles, wherein the first vehicles are used for downloading the programs from the target vehicles based on the vehicle addresses.
In a second aspect, an embodiment of the present application provides a program downloading apparatus, where the apparatus includes: the system comprises an array acquisition module, a score determination module and a download source determination module, wherein the array acquisition module is used for responding to a program download request sent by a first vehicle, acquiring a first attribute array corresponding to the first vehicle and a second attribute array corresponding to each second vehicle, the first attribute array is used for representing the current state information of the first vehicle, and the second attribute array is used for representing the current state information of the second vehicle; the score determining module is used for determining a satisfaction score of a second attribute array corresponding to each second vehicle relative to the first attribute array to obtain the satisfaction score corresponding to each second vehicle, the second vehicle and the first vehicle need to download the same program, and the satisfaction score is used for representing the efficiency of the first vehicle downloading the program from the second vehicle; the downloading source determining module is used for determining the second vehicles meeting the degree scores meeting the preset conditions in the plurality of second vehicles as target vehicles, and sending the vehicle addresses of the target vehicles to the first vehicles, wherein the first vehicles are used for downloading the programs from the target vehicles based on the vehicle addresses.
In a third aspect, an embodiment of the present application provides a computer device, including: one or more processors; a memory; one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to perform the program download method provided in the first aspect above.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, where a program code is stored in the computer-readable storage medium, and the program code may be called by a processor to execute the program downloading method provided in the first aspect.
According to the scheme provided by the application, a program downloading request sent by a first vehicle is responded, a first attribute array corresponding to the first vehicle and a second attribute array corresponding to each second vehicle are obtained, the first attribute array is used for representing the current state information of the first vehicle, and the second attribute array is used for representing the current state information of the second vehicle; determining a satisfaction score of a second attribute array corresponding to each second vehicle relative to the first attribute array to obtain the satisfaction score corresponding to each second vehicle, wherein the satisfaction score is the same as a program required to be downloaded by the first vehicle, and the satisfaction score is used for representing the efficiency of the first vehicle in downloading the program from the second vehicle; determining the second vehicle meeting the degree score meeting the preset condition from a plurality of second vehicles as a target vehicle, and sending the vehicle address of the target vehicle to the first vehicle, wherein the first vehicle is used for downloading the program from the target vehicle based on the vehicle address. Through the satisfaction degree score of the second attribute array corresponding to the second vehicle relative to the first attribute array, the second vehicle can be more accurately distributed to the first vehicle as a downloading source vehicle of the program, and the downloading speed of the program of the first vehicle is improved.
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In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a diagram illustrating an application scenario of a program downloading method provided in an embodiment of the present application.
Fig. 2 is a flowchart illustrating a program downloading method according to an embodiment of the present application.
Fig. 3 is a flowchart illustrating a program downloading method according to another embodiment of the present application.
Fig. 4 shows a schematic flow chart of step S240 in another embodiment of the present application.
Fig. 5 shows another schematic flow chart of step S240 in another embodiment of the present application.
Fig. 6 shows a block diagram of a program downloading device according to an embodiment of the present application.
Fig. 7 shows a block diagram of a computer device according to an embodiment of the present application.
Fig. 8 shows a block diagram of a computer-readable storage medium provided in an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
The inventor provides a program downloading method, a program downloading device, a computer device and a storage medium, and realizes that the pressure of a server is reduced and the cost of the server is reduced under the condition that a plurality of vehicles need to acquire the same program by enabling a first vehicle to acquire the program from other vehicles needing the same program without directly acquiring the program from the server. The specific program downloading method is described in detail in the following embodiments.
An application scenario of the program downloading method provided in the embodiment of the present application is described below.
Referring to fig. 1, the program downloading method provided in the embodiment of the present application is applied to a computer device 300, where the computer device 300 may be a cloud server, a physical server, or the like, and may also be a vehicle processor with a certain computing capability. The computer device 300 can allocate a plurality of second vehicles 102 to the first vehicle 101 as the source vehicles for downloading the programs by acquiring the attribute arrays respectively corresponding to all the vehicles 100 requiring the same program, so that the first vehicle 101 can directly acquire the program from other second vehicles 102 requiring the same program without directly acquiring the program from the computer device 300. Therefore, in the case where the same program is required by a plurality of vehicles 100 at the same time, the speed of acquiring the program from other vehicles by the first vehicle 101 is faster, and the requirements on the bandwidth of the computer device 300, the hardware cost and the like when all the vehicles acquire the program directly from the computer device 300 can be reduced. Meanwhile, the computer device 300 may allocate the second vehicle 102 to the first vehicle 101 more accurately as a download source vehicle of the program according to the satisfaction degree score of the second attribute array corresponding to the second vehicle 102 relative to the first attribute array corresponding to the first vehicle 101, so as to further improve the efficiency of downloading the program by the first vehicle.
The program downloading method provided by the embodiment of the present application will be described in detail below with reference to the accompanying drawings.
Referring to fig. 2, fig. 2 is a schematic flow chart illustrating a program downloading method according to an embodiment of the present application, and the flow chart illustrated in fig. 2 will be described in detail below, where the program downloading method specifically includes the following steps:
step S110: the method comprises the steps of responding to a program downloading request sent by a first vehicle, obtaining a first attribute array corresponding to the first vehicle and a second attribute array corresponding to each second vehicle, wherein the first attribute array is used for representing the current state information of the first vehicle, and the second attribute array is used for representing the current state information of the second vehicle.
In this embodiment of the application, the computer device may obtain current state information of the first vehicle through a program download request sent by the first vehicle, that is, the program download request sent by the first vehicle may carry information such as current position information, electric quantity information, network state, sharing permission, and remaining bandwidth corresponding to the first vehicle, so as to provide attribute parameters of the first vehicle in various aspects at the current time for the computer device. Meanwhile, the computer device may further obtain second attribute arrays respectively corresponding to all second vehicles requiring the same program as the first vehicle, and determine the number and addresses of all second vehicles capable of providing program download sources for the first vehicle based on the second attribute arrays and the first attribute arrays. The second attribute array includes the same type of attribute parameters as the first attribute array, that is, whether the first vehicle or the second vehicle, the corresponding attribute array records the attribute information of the current vehicle from the same aspect, such as the current position information, the electric quantity information, the network status, the sharing permission, the residual bandwidth information, and the like of the vehicle, so that the computer device can determine whether the first vehicle can obtain the program from the second vehicle based on the same type of parameters in the first attribute array and the second attribute array.
It will be appreciated that the number of second vehicles is necessarily greater than two. Since the computer device is a plurality of second vehicles which pass through the same program as the first vehicle, the first vehicle obtains the required program from the plurality of second vehicles, and does not need to obtain the program from the server, the hardware cost and bandwidth of the server are reduced, and the speed of the first vehicle obtaining program can be increased, that is, the more the number of second vehicles providing the program for the first vehicle is, the faster the speed of the first vehicle obtaining program is. Obviously, if the number of second vehicles is less than one, there is no significant increase in speed for the first vehicle acquisition procedure.
In some embodiments, before acquiring the first attribute array corresponding to the first vehicle, the computer device may acquire, in advance, second attribute arrays corresponding to all second vehicles requiring the same program as the first vehicle, so as to directly compare the first attribute array with each of the second attribute arrays after acquiring the first attribute array, thereby reducing the time required by the computer device to acquire the attribute array corresponding to the vehicle and increasing the program downloading speed of the vehicle; the computer device may also obtain the first attribute array in response to the program download request, and simultaneously obtain the second attribute arrays corresponding to the plurality of second vehicles, respectively, and the obtained second attribute array may represent the state information of the second vehicle at the current time, so that the matching result obtained based on the first attribute array and the second attribute array may be more accurate and better conforms to the real-time states of the first vehicle and the second vehicle under the current condition.
In some embodiments, the types of programs required by different types of vehicles may be different, and these vehicles inform the computer device of the types of programs required by the vehicle by sending a program download request to the computer device when a program needs to be installed or an updated program is made. Therefore, the program downloading request sent by the first vehicle to the server may further include the type of the program required by the first vehicle, so that the computer device may determine the type of the first vehicle according to the type of the required program, and further determine all the second vehicles which have the same program as the first vehicle. That is, the computer device may classify all vehicles into a plurality of different types in advance based on the difference in the types of programs, each type of vehicle requiring the same program.
Step S120: and determining the satisfaction score of the second attribute array corresponding to each second vehicle relative to the first attribute array to obtain the satisfaction score corresponding to each second vehicle, wherein the satisfaction score of the second vehicle is the same as the program required to be downloaded by the first vehicle, and the satisfaction score is used for representing the efficiency of downloading the program from the second vehicle by the first vehicle.
In this embodiment, the computer device may obtain, through the first attribute array and the state information of the vehicle at the current time included in the second attribute array, a satisfaction score of each second attribute array with respect to the first attribute array, that is, efficiency of downloading the program from the second vehicle by the first vehicle. The higher the satisfaction score is, that is, the higher the efficiency of the first vehicle downloading the program from the second vehicle is, if the first vehicle can simultaneously acquire the required program from a plurality of second vehicles with higher satisfaction scores, the speed of the whole first vehicle acquiring program is significantly faster than that of the required program acquired from only one place, and therefore, the computer device may determine, based on the satisfaction scores corresponding to each second vehicle, the second vehicle providing the program downloading source for the first vehicle, so that the efficiency of the first vehicle downloading the program from the second vehicle is higher.
It will be appreciated that not all second vehicles requiring the same program as the first vehicle may be the source of the program download for the first vehicle. If the remaining bandwidth of the second vehicle is small, or the network state of the second vehicle is not good, or the sharing permission of the second vehicle is not disclosed, the computer device may exclude the second vehicles with lower downloading efficiency under the condition that the second vehicles with higher downloading efficiency exist, so as to improve the overall efficiency of the first vehicle downloading program.
In some embodiments, the computer device determines the efficiency of the program downloaded by the first vehicle, and may determine the efficiency by the speed of the first vehicle when the program is downloaded, by the duration consumed by the first vehicle to download the whole program from the second vehicle, or by integrating the download speed and the whole download duration. It can be understood that the downloading speed of the computer device is fast, but the time length of the whole downloading is not necessarily short, and the whole downloading time length can be influenced by various aspects such as the network state, the residual bandwidth and the sharing permission of the first vehicle and the second vehicle.
Step S130: determining the second vehicles meeting the degree score meeting the preset condition from the plurality of second vehicles as target vehicles, and sending the vehicle addresses of the target vehicles to the first vehicles, wherein the first vehicles are used for downloading the programs from the target vehicles based on the vehicle addresses.
In this embodiment of the application, after obtaining the satisfaction score corresponding to each second vehicle, the computer device may determine, based on the size of the satisfaction score, all the second vehicles that can be the program download source of the first vehicle. That is, if the satisfaction degree score meets the preset condition, the efficiency of the first vehicle acquiring the program from the second vehicle corresponding to the satisfaction degree score is high, and the computer device may use the second vehicle corresponding to the satisfaction degree score as a program downloading source of the first vehicle, and send the address of the second vehicle to the first vehicle, so that the first vehicle downloads the program based on the address of the second vehicle.
In some embodiments, the preset condition for determining the program download source of the first vehicle may be determined based on all the satisfaction degree scores corresponding to all the second vehicles, for example, if the second vehicles have 20 total vehicles, and the satisfaction degree scores of all the second vehicles are within a range of 30-70, where there are 5 second vehicles within the range of 60-70, the computer device may set the preset condition to be within the range of 60-70, that is, the 5 second vehicles are the program download sources of the first vehicle. Obviously, at this time, the computer device does not set the preset condition to be in the range of 80 to 90, so that there is no second vehicle meeting the preset condition, or set the preset condition to be in the range of 30 to 70, so that the purpose of screening the second vehicle cannot be achieved. The setting of the preset condition by the computer device is thus determined based on the ranges in which the satisfaction scores respectively correspond to all the second vehicles.
According to the program downloading method provided by the embodiment of the application, a program downloading request sent by a first vehicle is responded, a first attribute array corresponding to the first vehicle and a second attribute array corresponding to each second vehicle are obtained, the first attribute array is used for representing the current state information of the first vehicle, and the second attribute array is used for representing the current state information of the second vehicle; determining a satisfaction score of a second attribute array corresponding to each second vehicle relative to the first attribute array to obtain the satisfaction score corresponding to each second vehicle, wherein the satisfaction score of the second vehicle is the same as a program required to be downloaded by the first vehicle, and the satisfaction score is used for representing the efficiency of downloading the program from the second vehicle by the first vehicle; determining the second vehicle meeting the degree score meeting the preset condition from a plurality of second vehicles as a target vehicle, and sending the vehicle address of the target vehicle to the first vehicle, wherein the first vehicle is used for downloading the program from the target vehicle based on the vehicle address. Through the satisfaction degree score of the second attribute array corresponding to the second vehicle relative to the first attribute array, the second vehicle can be more accurately distributed to the first vehicle as a downloading source vehicle of the program, and the downloading speed of the program of the first vehicle is improved.
Referring to fig. 3, fig. 3 is a schematic flow chart illustrating a program downloading method according to another embodiment of the present application, and the flow chart illustrated in fig. 3 will be described in detail below, where the program downloading method specifically includes the following steps:
step S210: the method comprises the steps of responding to a program downloading request sent by a first vehicle, and obtaining a first attribute array corresponding to the first vehicle and a second attribute array corresponding to each second vehicle, wherein the first attribute array is used for representing the current state information of the first vehicle, and the second attribute array is used for representing the current state information of the second vehicle.
In the embodiment of the present application, step S210 may refer to the contents of other embodiments, which are not described herein again.
Step S220: and determining a first score corresponding to each type of attribute parameter in the second attribute array based on the numerical values of the same type of attribute parameters in the first attribute array and the second attribute array.
In the embodiment of the present application, each of the first attribute array and the second attribute array includes a plurality of attribute parameters of different types. The computer device determines a satisfaction degree score of the second attribute array relative to the first attribute array, may determine a parameter type to which each attribute parameter in the second attribute array belongs, and determines a first score corresponding to each attribute parameter in the second attribute array according to a numerical value of an attribute parameter of the same type in the first attribute array and the second attribute array, so as to determine the satisfaction degree score of the second attribute array relative to the first attribute array, that is, the satisfaction degree score corresponding to the second vehicle, further based on the first score corresponding to each attribute parameter in the second attribute array.
Specifically, the attribute parameter types in the first attribute parameter and the second attribute parameter may include the current location of the vehicle, the power status, the network status, the sharing permission, the remaining bandwidth, and the like, and these types of attribute parameters may characterize the status attribute of the vehicle at the current time from different aspects. For example, a first attribute array X { X ] corresponding to a first vehicle 1 ，X 2 ，X 3 ，X 4 ，X 5 … …, where X 1 To X 5 The attribute parameters are respectively used for representing different types of vehicles such as the current position of the vehicle, the power state, the network state, the sharing permission and the residual bandwidth; second attribute array E { E } corresponding to second vehicle 1 ，E 2 ，E 3 ，E 4 ，E 5 … …, the elements of the same subscript are used to characterize the same type of attribute parameter as in the first attribute array; the first score corresponding to each attribute parameter in the second attribute array can be M n Is represented by, wherein, M n Can be calculated by the following formula:
M 1 ＝|X 1 -E 1 |
M 2 ＝X 2 +E 2
M 4 ＝βE 4
M 5 ＝γ(E 5 /(Total data Bandwidth of first vehicle x Signal Strength of second vehicle)
Where α, β, and γ are constant coefficients, the computer device may determine the effective length of the first score based on a preset range of the effective length corresponding to each attribute parameter.
In some embodiments, the first attribute array and the second attribute array may add or reduce the number and types of the attribute parameters according to the actual condition of the vehicle, for example, the attribute parameters of the current remaining capacity of the vehicle may be added to the first attribute array and the second attribute array. The number and type of attribute parameters in the attribute array may not be specifically limited herein.
In some embodiments, the computer device may combine the first score corresponding to each attribute parameter in the second attribute array to form a reference array for determining a satisfaction score of the second attribute array relative to the first attribute array based on the reference array.
Step S230: and determining the satisfaction degree score of the second attribute array relative to the first attribute array based on the first score corresponding to the attribute parameter of each type in the second attribute array and the weight corresponding to the attribute parameter of each type, so as to obtain the satisfaction degree score corresponding to each second vehicle.
In this embodiment of the application, after determining the first score corresponding to each attribute parameter in the second attribute array, the computer device may perform weighted summation on the first scores of the attribute parameters based on the weight corresponding to each attribute parameter, so as to obtain the satisfaction score of the second attribute array relative to the first attribute array. The weight corresponding to each attribute parameter is used for representing the meaning represented by the attribute parameter, and is used for representing the influence degree of the efficiency of the first vehicle for downloading the program from the second vehicle, if the influence of a certain attribute parameter in the second attribute array on the efficiency of the first vehicle for downloading the program is not large, the weight corresponding to the attribute parameter is small, and otherwise, the weight is large.
In some embodiments, the computer device may obtain the weight corresponding to each attribute parameter in the second attribute array based on the preset of the user, or may adjust the weight of each attribute parameter based on the actual downloading efficiency of the first vehicle in the process of downloading the program; the computer device may also modify the weight of each attribute parameter in response to a weight modification operation of the user, so that the value of the weight and the corresponding satisfaction score of the second vehicle obtained based on the weight better meet the actual demand of the user.
Step S240: determining the second vehicle meeting the degree score meeting the preset condition from a plurality of second vehicles as a target vehicle, and sending the vehicle address of the target vehicle to the first vehicle, wherein the first vehicle is used for downloading the program from the target vehicle based on the vehicle address.
In the embodiment of the present application, step S240 may refer to the contents of other embodiments, which are not described herein again.
In some embodiments, as shown in fig. 4, the step S240 of sending the vehicle address of the target vehicle to the first vehicle may include the steps of:
step S241: and acquiring the signal parameters in the second attribute array corresponding to each target vehicle to obtain the signal parameters corresponding to each target vehicle.
In an embodiment of the present application, the second attribute array includes a signal parameter, and the number of the target vehicles is plural. After all target vehicles in the second vehicles are obtained through the satisfaction degree scores respectively corresponding to all second vehicles, the computer equipment can further filter all target vehicles meeting the preset conditions, and therefore the situation that the first vehicle is jammed in downloading or mistakenly downloads when downloading programs based on the addresses of the target vehicles before filtering is avoided. Specifically, the computer device may determine whether the target vehicle may be a program download source for the first vehicle based on the signal parameter in the second attribute array. The signal parameter may represent the signal strength of the target vehicle at the current moment, and if the signal strength of the target vehicle is strong, the first vehicle is not likely to be stuck in the process of downloading the program from the target vehicle, whereas if the signal strength is weak, the first vehicle is likely to be stuck due to low signal strength in the process of downloading the program from the target vehicle. Therefore, the computer device may obtain the signal parameters in the second attribute array corresponding to the target vehicle for further filtering all the target vehicles when it is determined that the satisfaction degree values corresponding to the target vehicles meet the preset conditions.
Step S242: and filtering the target vehicles which do not meet preset signal conditions from the plurality of target vehicles based on the signal parameters corresponding to each target vehicle.
In this embodiment of the application, if the signal parameter in the second attribute array corresponding to any target vehicle does not satisfy the preset signal condition, the computer device may delete any target vehicle from the program download source of the first vehicle in advance in order to avoid a jam when the first vehicle downloads the program from any target vehicle. It is understood that the preset signal condition may be determined by the computer device based on the ranges of all signal parameters corresponding to all target vehicles, that is, the range of the signal parameter limited by the preset signal condition should be within the range of all signal parameters corresponding to all target vehicles, and the signal strength represented by the signal parameter in the preset signal condition is stronger, so that the purpose of further filtering the target vehicles can be achieved.
Step S243: and sending the filtered vehicle address of the target vehicle to the first vehicle.
In this embodiment, after further filtering all the target vehicles based on the signal parameters in the second attribute array, the computer device may download the filtered target vehicles as program download source vehicles of the first vehicle, and send addresses of the filtered target vehicles to the first vehicle, so that the first vehicle may obtain the program required by the first vehicle based on the addresses of the filtered target vehicles.
In some embodiments, as shown in fig. 5, the step S240 of sending the vehicle address of the target vehicle to the first vehicle may further include the steps of:
step S244: and acquiring the residual electric quantity in the second attribute array corresponding to each target vehicle to obtain the residual electric quantity corresponding to each target vehicle.
In the embodiment of the present application, the second attribute array includes a remaining power amount, and the number of the target vehicles is plural. After the computer device obtains all target vehicles which can be used as program downloading sources of the first vehicle after passing through the satisfaction degree scores respectively corresponding to all the second vehicles, in order to ensure that the target vehicles cannot be influenced by the operation of the first vehicle in the downloading process, the computer device can also obtain the residual electric quantity in the second attribute array corresponding to each target vehicle before sending the addresses of the target vehicles to the first vehicle, and the residual electric quantity is used for judging whether the first vehicle influences the operation of the target vehicles in the process of downloading the program from the target vehicles based on the attribute parameters of the residual electric quantity. It will be appreciated that if the target vehicle has a low remaining charge, it may be difficult for the target vehicle to ensure that the battery power of the target vehicle is always able to maintain the vehicle itself running during the downloading process by the first vehicle. Therefore, the computer device can also filter all vehicles with insufficient power reserves in the target vehicle by acquiring the remaining power in the second attribute array corresponding to the target vehicle.
Step S245: and filtering the target vehicles which do not meet the preset electric quantity condition from the plurality of target vehicles on the basis of the residual electric quantity corresponding to each target vehicle.
In the embodiment of the present application, if the remaining power corresponding to the target vehicle does not satisfy the preset power condition, it indicates that if the first vehicle downloads the program from the target vehicle, the target vehicle may possibly feed power due to the fact that it is difficult to maintain normal operation of the vehicle due to insufficient power during the downloading process of the first vehicle. Therefore, before the computer device sends the address of the target vehicle to the first vehicle, the computer device may further filter out the target vehicles that do not meet the preset electric quantity condition from the plurality of target vehicles based on the remaining electric quantity corresponding to each target vehicle, and the electric quantity of the remaining target vehicles after filtering is sufficient, so that the normal operation of the target vehicles can be maintained in the process of downloading the program by the first vehicle. Specifically, the computer device determines the preset power condition, which may be a comprehensive determination based on the power consumption of the second vehicle in the running state and the time period required for the first vehicle to download the program.
Step S246: and sending the filtered vehicle address of the target vehicle to the first vehicle.
In this embodiment, after further filtering all the target vehicles based on the remaining power in the second attribute array, the computer device may download the filtered target vehicles as program download source vehicles of the first vehicle, and send addresses of the filtered target vehicles to the first vehicle, so that the first vehicle may obtain the program required by the first vehicle based on the addresses of the filtered target vehicles.
In some embodiments, the computer device filters the target vehicle through the signal parameter in the second attribute array, so as to avoid a situation that the first vehicle is jammed during downloading of the program due to weak network signal strength, and the computer device filters the target vehicle based on the remaining power in the second attribute array, so as to avoid a situation that the second vehicle feeds power to the vehicle due to insufficient remaining power during downloading of the program by the first vehicle, where the two actions of filtering the target vehicle based on different attribute parameters and different reference filtering criteria may be performed separately or simultaneously, and the effects generated by the actions do not affect each other, which may not be specifically limited herein.
Step S250: and acquiring the quality parameters of the first vehicle in the firmware downloading process.
In this embodiment, the computer device may further obtain a quality parameter of the first vehicle in a process of downloading the program from the second vehicle, so as to adjust the weight corresponding to each attribute parameter in the second attribute array based on the quality parameter. The quality parameter may be used to represent a quality score of the first vehicle in a process of downloading the program, and the larger the quality parameter is, the higher the quality score of the process of downloading the program by the first vehicle is, and specifically, the computer device may comprehensively determine the quality parameter of the first vehicle in the current downloading process by using the signal quality, the transmission speed, the transmission stability, and other aspects of the first vehicle in the process of downloading the program.
Step S260: and adjusting the weight corresponding to the attribute parameter of each type based on the quality parameter, wherein the adjusted weight is used for determining the vehicle address when other vehicles download the program.
In this embodiment of the application, the computer device may appropriately adjust the weight corresponding to each type of attribute parameter when the program is downloaded by another vehicle based on the quality parameter of the first vehicle in the process of downloading the program this time, so as to improve the quality parameter of the program downloaded by another vehicle. That is to say, the computer device may adjust the program downloading source vehicle of the other vehicle by adjusting the weight corresponding to each attribute parameter in the attribute array corresponding to the other vehicle through the quality parameter corresponding to the program downloading process of the first vehicle, so as to achieve the effect of adjusting the quality of the subsequent downloading process of the other vehicle.
Step S270: and returning to the step of acquiring a first attribute array corresponding to the first vehicle and a second attribute array corresponding to each of a plurality of second vehicles in response to first indication information sent by the first vehicle, wherein the first indication information is used for indicating that the downloaded program is failed to be verified by the first vehicle.
In this embodiment, after the first vehicle downloads the program from the second vehicle, the downloaded program may be verified to determine whether the program is a program required by the first vehicle. If the program is not verified by the first vehicle, it is indicated that the program is not the program required by the first vehicle, and the error may be that the program is not verified due to a data receiving error in the process of downloading the program by the first vehicle, or that the program required by the second vehicle allocated to the first vehicle is different from the program actually required by the first vehicle due to a step error in determining the program required by the first vehicle by the computer device. In any case, obviously, the first vehicle has completely received a program, and even if the program is not required by the first vehicle, the process of downloading the program from the second vehicle by the first vehicle is not in error, so that the computer device may return to the step of acquiring the first attribute array corresponding to the first vehicle and the second attribute arrays corresponding to each of the plurality of second vehicles again, and execute the steps in sequence, so as to solve the problem that the program downloaded by the first vehicle is in error due to the two reasons. Of course, after repeating the above steps again, the first vehicle may obtain a program again, and the computer device still needs to verify the newly downloaded program.
In some embodiments, the verification of the downloaded program by the first vehicle may be performed interactively through the computer device, that is, by performing asymmetric decryption verification with the computer device, to determine whether the downloaded program is a program actually required by the first vehicle, so that the accuracy of the verification of the downloaded program by the first vehicle may be improved.
Step S280: and responding to second indication information fed back by the first vehicle, sending a network address corresponding to the program to the first vehicle so as to enable the first vehicle to download the program based on the network address, wherein the second indication information is used for indicating that the first vehicle does not successfully download the program based on the vehicle address.
In this embodiment of the application, if the first vehicle has another error in the process of downloading the program, which results in that the first vehicle does not completely download the program, the first vehicle may feed back the second indication information to the computer device, and in this case, the computer device may directly send the network address of the program required by the first vehicle to the first vehicle, so that the first vehicle may directly obtain the completed program from the computer device in a uniform resource location manner. It will be appreciated that to reduce the hardware cost and bandwidth requirements of the computer device, it is desirable to minimise the need for the vehicle to obtain the program directly from the computer device, and therefore the solution is only implemented in situations where the first vehicle cannot obtain the program from the second vehicle by the method described above.
According to the program downloading method provided by the embodiment of the application, a first attribute array corresponding to a first vehicle and a second attribute array corresponding to each second vehicle in a plurality of second vehicles are obtained in response to a program downloading request sent by the first vehicle, a first score corresponding to each type of attribute parameter in the second attribute array is determined based on the numerical value of the same type of attribute parameter in the first attribute array and the second attribute array, a satisfaction score corresponding to each second vehicle is obtained based on the first score corresponding to each type of attribute parameter in the second attribute array and the weight corresponding to each type of attribute parameter, the satisfaction score of the second attribute array relative to the first attribute array is determined, the satisfaction score corresponding to each second vehicle is obtained, if the satisfaction score corresponding to a target vehicle in the plurality of second vehicles meets a preset condition, the vehicle address of the target vehicle is sent to the first vehicle, the first vehicle is used for downloading a program from the target vehicle based on the vehicle address, meanwhile, the computer device can also obtain quality parameters in the process of downloading the first vehicle firmware, the weights corresponding to each type of attribute parameter are adjusted based on the quality parameters, and the adjusted weights are used for determining other vehicle addresses when the program is downloaded. The method has the advantages that the hardware requirement on the computer equipment is reduced by providing the program downloading source for the vehicle in an end-to-end mode, the second vehicle is more accurately distributed to the first vehicle as the program downloading source vehicle through the satisfaction degree value of the second attribute array relative to the first attribute array, meanwhile, the downloading source vehicle corresponding to the subsequent program downloading program of other vehicles can be adjusted based on the quality parameters of the first vehicle in the program downloading process, and the efficiency of the vehicle for downloading the program from other vehicles is further improved.
Referring to fig. 6, which shows a block diagram of a program downloading device 200 according to an embodiment of the present application, the program downloading device 200 includes: the system comprises an array acquisition module 210, a score determination module 220 and a download source determination module 230, wherein the array acquisition module 210 is configured to acquire a first attribute array corresponding to a first vehicle and a second attribute array corresponding to each second vehicle in response to a program download request sent by the first vehicle, the first attribute array is used for representing current state information of the first vehicle, and the second attribute array is used for representing current state information of the second vehicle; the score determining module 220 is configured to determine a satisfaction score of the second attribute array corresponding to each second vehicle relative to the first attribute array, to obtain the satisfaction score corresponding to each second vehicle, where the second vehicle is the same as the first vehicle in terms of the program to be downloaded, and the satisfaction score is used to represent the efficiency of the first vehicle in downloading the program from the second vehicle; the download source determining module 230 is configured to determine, as a target vehicle, a second vehicle, of the plurality of second vehicles, meeting a preset condition with a degree score, and send a vehicle address of the target vehicle to the first vehicle, where the first vehicle is configured to download the program from the target vehicle based on the vehicle address.
As a possible implementation manner, the first attribute array and the second attribute array both include a plurality of attribute parameters of different types, and the score determining module 220 is further configured to determine, based on the numerical values of the attribute parameters of the same type in the first attribute array and the second attribute array, a first score corresponding to each type of attribute parameter in the second attribute array; and determining the satisfaction degree score of the second attribute array relative to the first attribute array based on the first score corresponding to the attribute parameter of each type in the second attribute array and the weight corresponding to the attribute parameter of each type.
As a possible implementation manner, the program downloading device 200 further includes a quality obtaining module and a weight adjusting module, wherein the quality obtaining module is configured to obtain a quality parameter of the first vehicle in the process of downloading the firmware; the weight adjusting module is used for adjusting the weight corresponding to each type of attribute parameter based on the quality parameter, and the adjusted weight is used for determining the vehicle address when other vehicles download programs.
As a possible implementation manner, the second attribute array includes a plurality of signal parameters, and the download source determining module 230 is further configured to obtain the signal parameters in the second attribute array corresponding to each target vehicle, so as to obtain the signal parameters corresponding to each target vehicle; filtering target vehicles which do not meet preset signal conditions from a plurality of target vehicles on the basis of the signal parameter corresponding to each target vehicle; and sending the filtered vehicle address of the target vehicle to the first vehicle.
As a possible implementation manner, the second attribute array includes a plurality of remaining electric quantities, and the download source determining module 230 is further configured to obtain the remaining electric quantity in the second attribute array corresponding to each target vehicle, so as to obtain the remaining electric quantity corresponding to each target vehicle; filtering target vehicles which do not meet a preset electric quantity condition from a plurality of target vehicles based on the corresponding residual electric quantity of each target vehicle; and sending the filtered vehicle address of the target vehicle to the first vehicle.
As a possible implementation manner, the program downloading device 200 further includes a repeated downloading module, configured to return to the step of acquiring the first attribute array corresponding to the first vehicle and the second attribute array corresponding to each of the plurality of second vehicles in response to the first indication information sent by the first vehicle, where the first indication information is used to indicate that the first vehicle fails to verify the downloaded program.
As a possible implementation manner, the program downloading device 200 further includes a standby downloading module, configured to send a network address corresponding to the program to the first vehicle in response to second indication information fed back by the first vehicle, so that the first vehicle downloads the program based on the network address, and the second indication information is used to indicate that the first vehicle does not successfully download the program based on the vehicle address.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and modules may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, the coupling between the modules may be electrical, mechanical or other type of coupling.
In addition, functional modules in the embodiments of the present application may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
In summary, according to the scheme provided by the application, a first attribute array corresponding to a first vehicle and a second attribute array corresponding to each second vehicle are obtained by responding to a program downloading request sent by the first vehicle, where the first attribute array is used to represent current state information of the first vehicle, and the second attribute array is used to represent current state information of the second vehicle; determining a satisfaction score of a second attribute array corresponding to each second vehicle relative to the first attribute array to obtain the satisfaction score corresponding to each second vehicle, wherein the satisfaction score is the same as a program required to be downloaded by the first vehicle, and the satisfaction score is used for representing the efficiency of the first vehicle in downloading the program from the second vehicle; determining the second vehicles meeting the degree score meeting the preset condition from the plurality of second vehicles as target vehicles, and sending the vehicle addresses of the target vehicles to the first vehicles, wherein the first vehicles are used for downloading the programs from the target vehicles based on the vehicle addresses. Through the satisfaction degree score of the second attribute array corresponding to the second vehicle relative to the first attribute array, the second vehicle can be more accurately distributed to the first vehicle to serve as a downloading source vehicle of the program, and the downloading speed of the program of the first vehicle is improved.
Referring to fig. 7, a block diagram of a computer device 100 according to an embodiment of the present disclosure is shown. The computer device 100 may be a vehicle, among others. The computer device 100 in the present application may include one or more of the following components: a processor 110, a memory 120, and one or more applications, wherein the one or more applications may be stored in the memory 120 and configured to be executed by the one or more processors 110, the one or more programs configured to perform a method as described in the aforementioned method embodiments.
Processor 110 may include one or more processing cores. The processor 110 connects various parts within the overall computer device using various interfaces and lines, performs various functions of the computer device and processes data by executing or executing instructions, programs, code sets, or instruction sets stored in the memory 120, and calling data stored in the memory 120. Alternatively, the processor 110 may be implemented in hardware using at least one of Digital Signal Processing (DSP), field-Programmable Gate Array (FPGA), and Programmable Logic Array (PLA). The processor 110 may integrate one or more of a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), a modem, and the like. Wherein, the CPU mainly processes an operating system, a user interface, an application program and the like; the GPU is used for rendering and drawing display content; the modem is used to handle wireless communications. It is understood that the modem may not be integrated into the processor 110, but may be implemented by a communication chip.
The Memory 120 may include a Random Access Memory (RAM) or a Read-Only Memory (Read-Only Memory). The memory 120 may be used to store instructions, programs, code sets, or instruction sets. The memory 120 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for implementing at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing various method embodiments described below, and the like. The data storage area can also store data (such as a telephone book, audio and video data, chat log data) created by the computer device in use and the like.
Referring to fig. 8, a block diagram of a computer-readable storage medium according to an embodiment of the present application is shown. The computer-readable medium 800 has stored therein a program code that can be called by a processor to execute the method described in the above method embodiments.
The computer-readable storage medium 800 may be an electronic memory such as a flash memory, an EEPROM (electrically erasable programmable read only memory), an EPROM, a hard disk, or a ROM. Alternatively, the computer-readable storage medium 800 includes a non-volatile computer-readable medium. The computer readable storage medium 800 has storage space for program code 810 to perform any of the method steps of the method described above. The program code can be read from and written to one or more computer program products. The program code 810 may be compressed, for example, in a suitable form.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A program downloading method, characterized in that the method comprises:
responding to a program downloading request sent by a first vehicle, and acquiring a first attribute array corresponding to the first vehicle and a second attribute array corresponding to each second vehicle, wherein the first attribute array is used for representing the current state information of the first vehicle, and the second attribute array is used for representing the current state information of the second vehicle;
determining a satisfaction score of a second attribute array corresponding to each second vehicle relative to the first attribute array to obtain the satisfaction score corresponding to each second vehicle, wherein the satisfaction score of the second vehicle is the same as a program required to be downloaded by the first vehicle, and the satisfaction score is used for representing the efficiency of downloading the program from the second vehicle by the first vehicle;
determining the second vehicle meeting the degree score meeting the preset condition from a plurality of second vehicles as a target vehicle, and sending the vehicle address of the target vehicle to the first vehicle, wherein the first vehicle is used for downloading the program from the target vehicle based on the vehicle address.
2. The method of claim 1, wherein the first attribute array and the second attribute array each include a plurality of different types of attribute parameters, and wherein determining the satisfaction score of the second attribute array for each of the second vehicles relative to the first attribute array comprises:
determining a first score corresponding to each type of attribute parameter in the second attribute array based on the numerical values of the same type of attribute parameters in the first attribute array and the second attribute array;
and determining the satisfaction degree score of the second attribute array relative to the first attribute array based on the first score corresponding to the attribute parameter of each type in the second attribute array and the weight corresponding to the attribute parameter of each type.
3. The method of claim 2, wherein after the sending the vehicle address of the target vehicle to the first vehicle, the method further comprises:
acquiring quality parameters of the first vehicle in the firmware downloading process;
and adjusting the weight corresponding to the attribute parameter of each type based on the quality parameter, wherein the adjusted weight is used for determining the vehicle address when other vehicles download the program.
4. The method of claim 1, wherein the second attribute array includes signal parameters, the number of target vehicles is plural, and the sending the vehicle address of the target vehicle to the first vehicle includes:
acquiring a signal parameter in a second attribute array corresponding to each target vehicle to obtain a signal parameter corresponding to each target vehicle;
filtering target vehicles which do not meet preset signal conditions from the plurality of target vehicles on the basis of the signal parameter corresponding to each target vehicle;
and sending the filtered vehicle address of the target vehicle to the first vehicle.
5. The method of claim 1, wherein the second attribute array includes a remaining capacity, the number of the target vehicles is plural, and the transmitting the vehicle address of the target vehicle to the first vehicle includes:
acquiring the residual electric quantity in the second attribute array corresponding to each target vehicle to obtain the residual electric quantity corresponding to each target vehicle;
filtering target vehicles which do not meet a preset electric quantity condition from a plurality of target vehicles on the basis of the residual electric quantity corresponding to each target vehicle;
and sending the filtered vehicle address of the target vehicle to the first vehicle.
6. The method of any of claims 1-5, wherein after the sending the vehicle address of the target vehicle to the first vehicle, the method further comprises:
and returning to the step of acquiring a first attribute array corresponding to the first vehicle and a second attribute array corresponding to each of a plurality of second vehicles in response to first indication information sent by the first vehicle, wherein the first indication information is used for indicating that the downloaded program is failed to be verified by the first vehicle.
7. The method of any of claims 1-5, wherein after the sending the vehicle address of the target vehicle to the first vehicle, the method further comprises:
and responding to second indication information fed back by the first vehicle, sending a network address corresponding to the program to the first vehicle so as to enable the first vehicle to download the program based on the network address, wherein the second indication information is used for indicating that the first vehicle does not successfully download the program based on the vehicle address.
8. A program downloading apparatus, characterized in that the apparatus comprises: an array acquisition module, a score determination module, and a download source determination module, wherein,
the array acquisition module is used for responding to a program downloading request sent by a first vehicle, acquiring a first attribute array corresponding to the first vehicle and a second attribute array corresponding to each second vehicle, wherein the first attribute array is used for representing the current state information of the first vehicle, and the second attribute array is used for representing the current state information of the second vehicle;
the score determining module is used for determining a satisfaction score of a second attribute array corresponding to each second vehicle relative to the first attribute array to obtain the satisfaction score corresponding to each second vehicle, the second vehicle and the first vehicle need to download the same program, and the satisfaction score is used for representing the efficiency of the first vehicle downloading the program from the second vehicle;
the downloading source determining module is used for determining the second vehicles meeting the degree scores meeting the preset conditions in the plurality of second vehicles as target vehicles, and sending the vehicle addresses of the target vehicles to the first vehicles, wherein the first vehicles are used for downloading the programs from the target vehicles based on the vehicle addresses.
9. A computer device, characterized in that the computer device comprises:
one or more processors;
a memory;
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to perform the method of any of claims 1-7.
10. A computer-readable storage medium, having stored thereon program code that can be invoked by a processor to perform the method according to any one of claims 1 to 7.
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