CN111857772B - Method and device for remote transmission and dynamic loading of terminal edge application program - Google Patents
Method and device for remote transmission and dynamic loading of terminal edge application program Download PDFInfo
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Abstract
The embodiment of the invention provides a method and equipment for remotely transmitting and dynamically loading a terminal edge application program. The method comprises the following steps: sending an inquiry instruction to a terminal by using the first form data, and if the terminal is online, receiving the terminal state and the current edge application version information replied by the terminal by using the second form data; if the terminal is in an operating state and the current edge application program version is lower, a remote transmission instruction is issued in the first form of data, and the latest version of the edge application program is transmitted to the terminal in the second form of data for dynamic loading. The method and the device for remote transmission and dynamic loading of the terminal edge application program can dynamically load the edge application program according to the requirements of clients, expand the application range of the terminal on the basis of providing a secondary development function, quickly and accurately realize iterative updating and algorithm updating of the edge application program, and further update and upgrade the online terminal and the non-online terminal.
Description
Technical Field
The embodiment of the invention relates to the technical field of Internet, in particular to a method and equipment for remotely transmitting and dynamically loading a terminal edge application program.
Background
With the development of the internet of things, more and more devices are connected to the internet, a large amount of devices can generate massive data every day, and edge application programs (such as edge calculation) are generated by virtue of the characteristics of high reliability, high cost performance and the like. And the edge calculation mode puts the applet into a terminal to run, directly obtains a result and transmits the calculation result back to the background server. Most of edge computing application programs are solidified in the terminals, one terminal can only realize one or a group of edge computing functions, program iteration and algorithm updating and upgrading cannot be carried out, and computing capacity of the Internet of things equipment is limited. In addition, the terminal cannot realize multiplexing of multiple algorithms, each algorithm needs to be supported by one terminal, and the hardware cost of edge calculation is increased. The edge computing application program is difficult to upgrade, the program reliability is poor, the maintenance cost is high, and the efficiency is low. The terminal actively requests the mode, and the terminal only requests the mode when the program is started, so that a plurality of field problems cannot be solved in time, and the dynamic loading of the edge application program cannot be realized. Therefore, developing a method for remote transmission and dynamic loading of terminal edge application programs can effectively overcome the defects in the related art, and is a technical problem to be solved in the industry.
Disclosure of Invention
Aiming at the problems existing in the prior art, the embodiment of the invention provides a method and equipment for remotely transmitting and dynamically loading a terminal edge application program.
In a first aspect, an embodiment of the present invention provides a method for remotely transmitting and dynamically loading a terminal edge application program, including: sending an inquiry instruction to a terminal by using the first form data, and if the terminal is online, receiving the terminal state and the current edge application version information replied by the terminal by using the second form data; if the terminal is in an operating state and the current edge application program version is lower, a remote transmission instruction is issued in the first form of data, and the latest version of the edge application program is transmitted to the terminal in the second form of data for dynamic loading.
Based on the content of the embodiment of the method, the method for remotely transmitting and dynamically loading the terminal edge application program provided by the embodiment of the invention further comprises the following steps: and transmitting the first form data by adopting a first protocol, and transmitting the second form data by adopting a second protocol, wherein the first form data and the second form data are transmitted asynchronously and do not interfere with each other.
Based on the content of the embodiment of the method, the method for remotely transmitting and dynamically loading the terminal edge application program provided by the embodiment of the invention further comprises the following steps: if the terminal is not online, after the terminal is online, receiving the terminal state and the current edge application version information replied by the terminal in the second form data.
Based on the foregoing method embodiment, the method for remote transmission and dynamic loading of a terminal edge application provided in the embodiment of the present invention, where the latest version of edge application is transmitted to the terminal in a second form for dynamic loading, includes: and modifying the monitor configuration file according to a program loading instruction received by the MQTT data channel, and adding, deleting, starting or stopping the edge application program of the latest version according to the monitor built-in command.
In a second aspect, an embodiment of the present invention provides a device for remotely transmitting and dynamically loading a terminal edge application program, including:
the communication establishing module is used for sending an inquiry instruction to the terminal by the data in the first form, and receiving the terminal state and the version information of the current edge application program replied by the data in the second form if the terminal is online;
and the transmission and loading module is used for transmitting the remote transmission instruction in the first form data and transmitting the latest version of the edge application program to the terminal in the second form data for dynamic loading if the terminal is in the running state and the current version of the edge application program is lower.
Based on the content of the embodiment of the device, the device for remote transmission and dynamic loading of the terminal edge application program provided in the embodiment of the invention further comprises: and the data transmission protocol module is used for transmitting the first form data by adopting a first protocol and transmitting the second form data by adopting a second protocol, wherein the first form data and the second form data are transmitted asynchronously and do not interfere with each other.
Based on the content of the embodiment of the device, the device for remote transmission and dynamic loading of the terminal edge application program provided in the embodiment of the invention further comprises: and the terminal off-line processing module is used for receiving the terminal state and the current edge application version information replied by the terminal in the second form data after the terminal is on line if the terminal is off line.
Based on the content of the embodiment of the device, the device for remote transmission and dynamic loading of the terminal edge application program provided in the embodiment of the invention further comprises: and the dynamic loading module is used for modifying the monitor configuration file according to the program loading instruction received by the MQTT data channel and adding, deleting, starting or stopping the edge application program of the latest version according to the monitor built-in command.
In a third aspect, an embodiment of the present invention provides an electronic device, including:
at least one processor; and
at least one memory communicatively coupled to the processor, wherein:
the memory stores program instructions executable by the processor, the processor invoking the program instructions to enable execution of the method for remote transmission and dynamic loading of terminal edge applications provided by any of the various implementations of the first aspect.
In a fourth aspect, embodiments of the present invention provide a non-transitory computer-readable storage medium storing computer instructions that cause a computer to perform the method for remote transmission and dynamic loading of a terminal edge application provided by any of the various implementations of the first aspect.
According to the remote transmission and dynamic loading method and the device for the terminal edge application program, the edge application program can be dynamically loaded according to the client requirements through the remote transmission mechanism and the dynamic loading mechanism of the edge application program, the application range of the terminal is expanded on the basis of providing a secondary development function, the iterative updating and the algorithm updating of the edge application program are rapidly and accurately realized, and further the online terminal and the offline terminal are updated.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings required for the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without any inventive effort for a person skilled in the art.
FIG. 1 is a flowchart of a method for remote transmission and dynamic loading of a terminal edge application program according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a remote transmission mechanism according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a communication principle of a server query terminal according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an edge application dynamic loading principle according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a remote transmission and dynamic loading device for a terminal edge application according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an entity structure of an electronic device according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. In addition, the technical features of each embodiment or the single embodiment provided by the invention can be combined with each other at will to form a feasible technical scheme, and the combination is not limited by the sequence of steps and/or the structural composition mode, but is necessarily based on the fact that a person of ordinary skill in the art can realize the combination, and when the technical scheme is contradictory or can not realize, the combination of the technical scheme is not considered to exist and is not within the protection scope of the invention claimed.
The technical scheme of the invention is to adopt a remote upgrading flow method: the method comprises the steps that a server actively initiates an inquiry, a terminal replies the state of equipment, and the server determines whether to upgrade or not according to the state information replied by the terminal; the upgrading step is divided into two steps: downloading an upgrade package and using the upgrade package. When the remote platform initiates the upgrade order, the terminal can immediately download the upgrade package and report the download progress. And the terminal uses the upgrade package to upgrade the program at proper time according to the running condition of the program. And a dual-channel data interaction mode is adopted. And adopting an MQTT protocol data channel to carry out instruction interaction, and adopting an FTP protocol data channel to carry out file interaction. The two data are not interfered with each other, so that the program logic is ensured to be clear in level and high in execution efficiency. And a program dynamic loading function is adopted. The program management is carried out by adopting an open source tool monit, and functions of adding, deleting, starting, stopping and the like of the edge application program can be carried out according to the instruction received by the MQTT data channel. Based on the above-mentioned ideas, the embodiment of the present invention provides a method for remote transmission and dynamic loading of terminal edge application programs, referring to fig. 1, the method includes:
101. sending an inquiry instruction to a terminal by using the first form data, and if the terminal is online, receiving the terminal state and the current edge application version information replied by the terminal by using the second form data;
102. if the terminal is in an operating state and the current edge application program version is lower, a remote transmission instruction is issued in the first form of data, and the latest version of the edge application program is transmitted to the terminal in the second form of data for dynamic loading.
Based on the content of the foregoing method embodiment, as an optional embodiment, the method for remote transmission and dynamic loading of a terminal edge application provided in the embodiment of the present invention further includes: and transmitting the first form data by adopting a first protocol, and transmitting the second form data by adopting a second protocol, wherein the first form data and the second form data are transmitted asynchronously and do not interfere with each other. Referring to fig. 2, the two servers respectively interact with a terminal (such as a terminal in the internet of things) by adopting MQTT protocol to perform command data interaction, and adopting FTP protocol to perform file data interaction, and then the MQTT server and the FTP server respectively interact with the internet of things management platform. The two data do not interfere with each other and are performed asynchronously. The stability of file transmission and the timeliness of instruction response are improved. Among them, MQTT (message queue telemetry transport) is a message protocol based on a publish/subscribe paradigm under the ISO standard (ISO/IEC PRF 20922). FTP (File Transfer Protocol ) is a standard set of protocols for transferring files over a network.
Based on the content of the foregoing method embodiment, as an optional embodiment, the method for remote transmission and dynamic loading of a terminal edge application provided in the embodiment of the present invention further includes: if the terminal is not online, after the terminal is online, receiving the terminal state and the current edge application version information replied by the terminal in the second form data. Referring specifically to fig. 3, the remote transmission is in a manner that the server initiates the inquiry actively (i.e., the platform initiates the upgrade inquiry). If the terminal is on line, the terminal state and the program version information (i.e. the terminal report information) are immediately replied after the inquiry command is received, and the server determines whether to issue a remote transmission command (i.e. whether to meet the upgrading requirement) according to the information replied by the terminal. If the terminal is offline, the terminal waits for the information to be reported after being online, and the background automatically processes the information according to the reported information. And under the condition of meeting the requirements, sending downloading instruction information, downloading according to the instruction information by the terminal, and loading the program after successful downloading. After the edge application program is remotely transmitted to the terminal, the terminal reloads the program at proper time (such as when the vehicle is in a flameout state and when the command is received) according to the running condition of the program.
Based on the foregoing disclosure of the foregoing method embodiment, as an optional embodiment, the method for remote transmission and dynamic loading of a terminal edge application provided in the embodiment of the present invention, where the latest version of edge application is transmitted to the terminal in a second form for dynamic loading, includes: and modifying the monitor configuration file according to a program loading instruction received by the MQTT data channel, and adding, deleting, starting or stopping the edge application program of the latest version according to the monitor built-in command. Referring to fig. 4, the program management is performed by using an open source tool monit, and the monit configuration file can be modified according to the instruction received by the MQTT data channel (i.e., the MQTT instruction), and then the functions of adding, deleting, starting, stopping and the like of the edge application program are realized by matching with the built-in command of the monit. Specifically, commands such as monitrelload are called, the configuration file is reapplied, the terminal is not required to be restarted, and the function of dynamically loading the application program is realized. The monitor is monitoring software of processes, files, catalogs and equipment with very rich functions, and is used for a Unix platform.
According to the remote transmission and dynamic loading method for the terminal edge application program, the edge application program can be dynamically loaded according to the requirements of clients through a remote transmission mechanism and a dynamic loading mechanism of the edge application program, the application range of the terminal is expanded on the basis of providing a secondary development function, iterative updating and algorithm updating of the edge application program are rapidly and accurately achieved, and further updating and updating are carried out on the online terminal and the offline terminal. Specifically, the edge computing application on the terminal can be dynamically added and deleted, started and stopped according to the requirements of the client. Different edge computing applications can be realized by a single terminal, so that the application range of the terminal is wider. The method can be used for carrying out iterative updating and algorithm updating on the edge calculation program in the existing terminal rapidly and accurately. The upgrade situations of the online terminal and the non-online terminal can be processed. The secondary development suite can be provided, a user can develop own edge application programs by himself, and the edge application programs are downloaded to the terminal through the upgrading platform.
The implementation basis of the embodiments of the present invention is realized by a device with a processor function to perform programmed processing. Therefore, in engineering practice, the technical solutions and the functions of the embodiments of the present invention can be packaged into various modules. Based on the actual situation, on the basis of the above embodiments, the embodiments of the present invention provide a device for remote transmission and dynamic loading of a terminal edge application, where the device is used to execute the method for remote transmission and dynamic loading of a terminal edge application in the above method embodiments. Referring to fig. 5, the apparatus includes:
the communication establishing module 501 is configured to send an inquiry instruction to a terminal according to the first form data, and if the terminal is online, receive a terminal state and current edge application version information replied by the terminal according to the second form data;
and the transmission and loading module 502 is configured to issue a remote transmission instruction according to the first format data if the terminal is in an operating state and the current edge application version is low, and transmit the latest version of the edge application to the terminal according to the second format data for dynamic loading.
The remote transmission and dynamic loading device for the terminal edge application program provided by the embodiment of the invention adopts the communication establishment module and the transmission and loading module, and can dynamically load the edge application program according to the client requirement by a remote transmission mechanism and a dynamic loading mechanism of the edge application program, thereby expanding the application range of the terminal on the basis of providing a secondary development function, rapidly and accurately realizing iterative upgrade and algorithm update of the edge application program and further upgrading and updating the online terminal and the non-online terminal.
It should be noted that, the device in the device embodiment provided by the present invention may be used to implement the method in the above method embodiment, and may also be used to implement the method in other method embodiments provided by the present invention, where the difference is merely that the corresponding functional module is provided, and the principle is basically the same as that of the above device embodiment provided by the present invention, so long as a person skilled in the art refers to a specific technical solution in the above device embodiment based on the above device embodiment, and obtains a corresponding technical means by combining technical features, and a technical solution formed by these technical means, and on the premise that the technical solution is ensured to have practicability, the device in the above device embodiment may be modified, so as to obtain a corresponding device embodiment, and be used to implement the method in other method embodiment. For example:
based on the content of the above device embodiment, as an optional embodiment, the device for remote transmission and dynamic loading of a terminal edge application provided in the embodiment of the present invention further includes: and the data transmission protocol module is used for transmitting the first form data by adopting a first protocol and transmitting the second form data by adopting a second protocol, wherein the first form data and the second form data are transmitted asynchronously and do not interfere with each other.
Based on the content of the above device embodiment, as an optional embodiment, the device for remote transmission and dynamic loading of a terminal edge application provided in the embodiment of the present invention further includes: and the terminal off-line processing module is used for receiving the terminal state and the current edge application version information replied by the terminal in the second form data after the terminal is on line if the terminal is off line.
Based on the content of the above device embodiment, as an optional embodiment, the device for remote transmission and dynamic loading of a terminal edge application provided in the embodiment of the present invention further includes: and the dynamic loading module is used for modifying the monitor configuration file according to the program loading instruction received by the MQTT data channel and adding, deleting, starting or stopping the edge application program of the latest version according to the monitor built-in command.
The method of the embodiment of the invention is realized by the electronic equipment, so that the related electronic equipment is necessary to be introduced. To this end, an embodiment of the present invention provides an electronic device, as shown in fig. 6, including: at least one processor (processor) 601, a communication interface (Communications Interface) 604, at least one memory (memory) 602, and a communication bus 603, wherein the at least one processor 601, the communication interface 604, and the at least one memory 602 communicate with each other via the communication bus 603. The at least one processor 601 may invoke logic instructions in the at least one memory 602 to perform all or part of the steps described in the various method embodiments of the present invention.
Further, the logic instructions in the at least one memory 602 described above may be implemented in the form of software functional units and stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps described in the embodiments of the method of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. Based on this knowledge, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In this patent, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The method for remotely transmitting and dynamically loading the terminal edge application program is characterized by comprising the following steps:
sending an inquiry instruction to a terminal by using the first form data, and if the terminal is online, receiving the terminal state and the current edge application version information replied by the terminal by using the second form data;
if the terminal is in an operating state and the current edge application program version is lower, a remote transmission instruction is issued by the first form data, and the latest version of the edge application program is transmitted to the terminal by the second form data for dynamic loading;
the latest version of the edge application program is transmitted to the terminal in a second form for dynamic loading, and the method comprises the following steps: and modifying the monitor configuration file according to a program loading instruction received by the MQTT data channel, and adding, deleting, starting or stopping the edge application program of the latest version according to the monitor built-in command.
2. The method for remote transmission and dynamic loading of terminal edge applications according to claim 1, further comprising: and transmitting the first form data by adopting a first protocol, and transmitting the second form data by adopting a second protocol, wherein the first form data and the second form data are transmitted asynchronously and do not interfere with each other.
3. The method for remote transmission and dynamic loading of terminal edge applications according to claim 1, further comprising: if the terminal is not online, after the terminal is online, receiving the terminal state and the current edge application version information replied by the terminal in the second form data.
4. A device for remote transmission and dynamic loading of terminal edge application programs, comprising:
the communication establishing module is used for sending an inquiry instruction to the terminal by the data in the first form, and receiving the terminal state and the version information of the current edge application program replied by the data in the second form if the terminal is online;
the transmission and loading module is used for transmitting a remote transmission instruction in a first form of data if the terminal is in an operation state and the current edge application program version is lower, and transmitting the latest version of edge application program to the terminal in a second form of data for dynamic loading;
the dynamic loading module is used for modifying the monitor configuration file according to the program loading instruction received by the MQTT data channel and adding, deleting, starting or stopping the latest version of the edge application program according to the monitor built-in command.
5. The device for remote transmission and dynamic loading of terminal edge applications according to claim 4, further comprising: and the data transmission protocol module is used for transmitting the first form data by adopting a first protocol and transmitting the second form data by adopting a second protocol, wherein the first form data and the second form data are transmitted asynchronously and do not interfere with each other.
6. The device for remote transmission and dynamic loading of terminal edge applications according to claim 4, further comprising: and the terminal off-line processing module is used for receiving the terminal state and the current edge application version information replied by the terminal in the second form data after the terminal is on line if the terminal is off line.
7. An electronic device, comprising:
at least one processor, at least one memory, and a communication interface; wherein,,
the processor, the memory and the communication interface are communicated with each other;
the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the method of any of claims 1-3.
8. A non-transitory computer readable storage medium storing computer instructions that cause the computer to perform the method of any one of claims 1 to 3.
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| CN112416407A (en) * | 2020-12-08 | 2021-02-26 | 厦门熵基科技有限公司 | Software upgrading method, device, equipment and computer readable storage medium |
| CN113360207A (en) * | 2021-06-03 | 2021-09-07 | 奥特酷智能科技(南京)有限公司 | Vehicle body electrical network architecture based on dynamic application program loading technology |
| CN115185566B (en) * | 2022-09-07 | 2023-01-20 | 北京智芯半导体科技有限公司 | Installation and upgrade method and device for platform area-oriented intelligent convergence terminal application program |
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