CN112822265A - Data encoding method, device, equipment end and storage medium - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
Abstract
The embodiment of the invention provides a data encoding method, a data encoding device, an equipment end and a storage medium, and relates to the technical field of encoding. The method comprises the steps of obtaining data to be transmitted, extracting the data name, the data type, the value content length and the value content of the data to be transmitted, and then adding preset label content, an obtained timestamp, the data name, the data type, the value content length and the value content to a buffer queue according to a preset sequence to be spliced to form coded data, wherein the preset label content has the highest priority. The encoding is carried out according to the method, the attributes such as the data type, the value content length and the like of the encoded data can be identified without adding an IDL file, the compatibility is strong, and in addition, the decoding end can decode quickly through a preset sequence; meanwhile, when coding is carried out, each data to be transmitted is coded in sequence, and the transmission processing of the streaming data is friendly.
Description
Technical Field
The present invention relates to the field of encoding technologies, and in particular, to a data encoding method, apparatus, device and storage medium.
Background
Under the general condition, after the operating condition data is collected at the equipment side, the operating condition data needs to be encoded by the equipment side, and then the encoded data is transmitted to the cloud end, so that data interaction between the cloud end and the equipment side is realized.
However, the existing text-based serialization encoding methods usually include JSON (JavaScript Object Notation), XML (Extensible Markup Language), and the like, which is convenient for users to read but has low encoding efficiency; meanwhile, there are binary-based serialization encoding methods, such as protobuf and flatbuffers, which can satisfy performance requirements, but need to define related IDL (Interactive Data Language) files, and each update can only be added after the existing sequence and cannot delete or modify attribute fields, which results in poor compatibility. When words are changed, the existing coding mode is not friendly to the data of the stream Internet of Things (IOT), and is not suitable for the application scenarios of the content end, high transmission rate and frequent transmission frequency.
Disclosure of Invention
In view of the above, the present invention provides a data encoding method, an apparatus, a device and a storage medium to solve the above problems.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present application provides a data encoding method, where the data encoding method includes:
acquiring data to be transmitted;
extracting the data name, the data type, the value content length and the value content of the data to be transmitted;
and adding preset label content, the acquired timestamp, the data name, the data type, the value content length and the value content to a buffer queue according to a preset sequence for splicing to form coded data, wherein the preset label content has the highest priority.
In an optional implementation manner, the step of sequentially adding the preset tag content, the obtained timestamp, the data name, the data type, the value content length, and the value content to a buffer queue according to a preset order to splice and form encoded data includes:
and sequentially adding preset label content, the timestamp, the data name, the data type, the value content length and the value content to a buffer queue for splicing to form coded data.
In an optional implementation manner, the step of sequentially adding the preset tag content, the timestamp, the data name, the data type, the value content length, and the value content to a buffer queue for splicing to form encoded data includes:
if the length of the data name is less than or equal to a preset first byte, after the high order of the data name is filled with 0, adding the filled data name to the buffer queue;
and if the length of the value content length is less than or equal to a preset second byte, filling 0 in the high order of the value content length, and then adding the filled value content length to the buffer queue.
In an alternative embodiment, the predetermined first byte is 8 bytes, and the predetermined second byte is 4 bytes.
In an alternative embodiment, the length of the preset tag content is 1 byte, the length of the timestamp is 4 bytes, and the length of the data type is 1 byte.
In an alternative embodiment, the data types include string, integer, long integer, floating point, and boolean.
In a second aspect, an embodiment of the present application further provides a data encoding apparatus, where the data encoding apparatus includes:
the data acquisition module is used for acquiring data to be transmitted;
the parameter extraction module is used for extracting the data name, the data type, the value content length and the value content of the data to be transmitted;
and the splicing module is used for adding preset label content, the acquired timestamp, the data name, the data type, the value content length and the value content to a buffer queue according to a preset sequence for splicing to form coded data, wherein the preset label content has the highest priority.
In an optional implementation manner, the splicing module is configured to sequentially add preset tag content, the timestamp, the data name, the data type, the value content length, and the value content to a buffer queue for splicing to form encoded data.
In a third aspect, an embodiment of the present application further provides an apparatus side, which includes a processor and a memory, where the memory stores a computer program that can be executed by the processor, and the processor can execute the computer program to implement the data encoding method described in any one of the above embodiments.
In a fourth aspect, the present application further provides a storage medium, on which a computer program is stored, where the computer program is executed by a processor, and the data encoding method according to any one of the above embodiments is provided.
According to the data encoding method, the data encoding device, the equipment terminal and the storage medium provided by the embodiment of the invention, the data to be transmitted is obtained, the data name, the data type, the value content length and the value content of the data to be transmitted are extracted, and then the preset label content, the obtained timestamp, the data name, the data type, the value content length and the value content are added to the buffer queue according to the preset sequence to be spliced to form the encoded data, wherein the preset label content has the highest priority. The encoding is carried out according to the method, the attributes such as the data type, the value content length and the like of the encoded data can be identified without adding an IDL file, the compatibility is strong, and in addition, the decoding end can decode quickly through a preset sequence; meanwhile, when coding is carried out, each data to be transmitted is coded in sequence, and the transmission processing of the streaming data is friendly.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 shows a block diagram of an apparatus side according to an embodiment of the present invention.
Fig. 2 is a flowchart illustrating a data encoding method according to an embodiment of the present invention.
Fig. 3 shows a schematic structural diagram of encoded data provided by an embodiment of the present invention.
Fig. 4 is a functional block diagram of a data encoding apparatus according to an embodiment of the present invention.
Icon: 100-equipment side; 110-a memory; 120-a processor; 130-a communication unit; 200-a data encoding device; 210-a data acquisition module; 220-parameter extraction module; 230-splicing module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Fig. 1 is a block diagram of an apparatus side 100. The device side 100 includes a memory 110, a processor 120, and a communication unit 130. The elements of the memory 110, the processor 120 and the communication unit 130 are electrically connected to each other directly or indirectly to realize data transmission or interaction. For example, the components may be electrically connected to each other via one or more communication buses or signal lines.
The memory 110 is used to store programs or data. The Memory 110 may be, but is not limited to, a Random Access Memory 110 (RAM), a Read Only Memory 110 (ROM), a Programmable Read Only Memory 110 (PROM), an Erasable Read Only Memory 110 (EPROM), an electrically Erasable Read Only Memory 110 (EEPROM), and the like.
The processor 120 is used to read/write data or programs stored in the memory 110 and perform corresponding functions.
The communication unit 130 is configured to establish a communication connection between the device side 100 and another communication terminal through the network, and is configured to transmit and receive data through the network.
It should be understood that the structure shown in fig. 1 is only a schematic structural diagram of the device side 100, and the device side 100 may also include more or less components than those shown in fig. 1, or have a different configuration than that shown in fig. 1. The components shown in fig. 1 may be implemented in hardware, software, or a combination thereof.
The embodiment of the present application provides a data encoding method, which is applied to the device side 100, and is used for performing encoding operation on acquired data quickly and efficiently. Please refer to fig. 2, which is a flowchart illustrating a data encoding method according to an embodiment of the present disclosure. The data encoding method includes:
s201, data to be transmitted is obtained.
The data to be transmitted may be acquired by the device side 100 itself, or may be acquired by other devices and transmitted to the device side 100.
S202, extracting the data name, the data type, the value content length and the value content of the data to be transmitted.
The data names are names of variables in the data to be transmitted, and are used to distinguish specific contents transmitted by the device 100. The data type is a statement made on the type of data to be transmitted, and can be, for example, a character string type, an integer type, a long integer type, a floating point type, a boolean type, and the like. The value content length is used for describing the length of the data to be transmitted, and can be used for checking the integrity of the data to be transmitted. The value content indicates the specific content of the data to be transmitted.
It should be noted that the extracted data name, data type, value content length, and value content are binary data.
And S203, adding the preset label content, the acquired timestamp, the data name, the data type, the value content length and the value content to a buffer queue according to a preset sequence for splicing to form coded data, wherein the preset label content has the highest priority.
It should be noted that, in order to prevent the sticking between different data to be transmitted, the priority of the tag content needs to be the highest. That is, the predetermined tag content needs to be added to the buffer queue first, so that the decoding end distinguishes different data to be transmitted. For example, when the decoding end decodes the content of the tag again, it can be determined that new data is received and thus is distinguished from the previous data.
Typically, the preset tag content is typically some special symbol, such as "\ u 0001". Of course, the specific content can be formulated according to the actual needs of the user, and is not limited herein.
The timestamp is the current time acquired during the encoding operation and represents the time for encoding the data to be transmitted.
Data types include, but are not limited to, String (String), integer (Int), Long integer (Long), floating point (Double), and Bool (Bool). Wherein, the character string can be represented by "00000001", the integer can be represented by "00000010", the long integer can be represented by "00000011", the floating point can be represented by "00000100", and the boolean can be represented by "00000101".
In an alternative embodiment, preset tag content, timestamp, data name, data type, value content length, and value content may be sequentially added to the buffer queue for splicing to form encoded data. That is, the encoded data formed by splicing may be structured as shown in fig. 3. Of course, in other embodiments, the concatenation may be performed in other orders, for example, the preset order of tag content, data name, data type, timestamp, value content length, and value content may be used.
It can be understood that the label content, the timestamp, the data name, the data type, the value content length and the value content are added to the buffer queue in a regular sequence for splicing, so that the decoding end can read and decode in sequence conveniently, and the method is more efficient than a random reading and writing and decoding method.
It should be noted that, in the present application, besides the value content, the tag content, the acquired timestamp, the data name, the data type, and the value content length are all preset with fixed lengths, so that the decoding end can read and decode quickly.
In order to ensure that the data name and the value content length in each encoded data are the same, in the process of adding the data name to the buffer queue, it is required to first determine whether the length of the data name is less than or equal to a preset first byte, and if the length of the data name is less than or equal to the preset first byte, after filling 0 in the high bits of the data name, add the filled data name to the buffer queue.
Meanwhile, in the process of adding the value content length to the buffer queue, it is necessary to first determine whether the length of the value content length is less than or equal to the preset second byte, and if the length of the value content length is less than or equal to the preset second byte, after filling 0 in the high bits of the value content length, add the filled value content length to the buffer queue.
In an alternative embodiment, the predetermined first byte is 8 bytes, and the predetermined second byte is 4 bytes. For example, if the data name is only "1011", then "00001011" is added to the buffer queue after 0 is filled in the upper bits of "1011" and "00001011" is set.
In addition, the length of the preset tag content may be 1 byte, the length of the timestamp may be 4 bytes, and the length of the data type may be 1 byte.
It is understood that the tag content, the timestamp, the data name, the data type, and the value content length may be set to other lengths according to actual needs, and are not limited herein.
It can be understood that based on the encoded data obtained by the data encoding method provided in the embodiment of the present application, the decoding end may first read the content of the 1 st byte of the encoded data, determine that the content is the tag content, then sequentially read the content of the 2 nd to 5 th bytes to obtain the timestamp, read the content of the 6 th to 13 th bytes to obtain the data name, read the content of the 14 th byte to determine the data type, read the content of the 15 th to 18 th bytes to determine the value content length, and then read the content of the remaining bytes to determine the value content.
Meanwhile, as the length of each parameter is fixed, the decoding end can rapidly analyze the required content by using a bit operator.
In an alternative embodiment, the device side 100 may also extract parameters such as data name, data type, value content length, and value content in sequence, but after extracting and filling one parameter, extract the next parameter again, fill and splice.
That is, in order to perform the corresponding steps in the above embodiments and various possible manners, an implementation manner of the data encoding apparatus 200 is given below, and optionally, the data encoding apparatus 200 may adopt the device structure of the device side 100 shown in fig. 1. Further, referring to fig. 4, fig. 4 is a functional block diagram of a data encoding apparatus 200 according to an embodiment of the present invention. It should be noted that the basic principle and the generated technical effect of the data encoding device 200 provided in the present embodiment are the same as those of the above embodiments, and for the sake of brief description, no part of the present embodiment is mentioned, and corresponding contents in the above embodiments may be referred to. The data encoding apparatus 200 includes: a data acquisition module 210, a parameter extraction module 220, and a stitching module 230.
The data obtaining module 210 is configured to obtain data to be transmitted.
It is understood that in an alternative embodiment, the data obtaining module 210 may be configured to execute S201.
The parameter extraction module 220 is configured to extract a data name, a data type, a value content length, and a value content of the data to be transmitted.
It is to be appreciated that in an alternative embodiment, the parameter extraction module 220 can be configured to perform S202.
The splicing module 230 is configured to add preset tag content, the obtained timestamp, the data name, the data type, the value content length, and the value content to the buffer queue according to a preset sequence to be spliced to form encoded data, where the preset tag content has a highest priority.
It is to be appreciated that in an alternative embodiment, the stitching module 230 can be utilized to perform S203.
Alternatively, the modules may be stored in the memory 110 shown in fig. 1 in the form of software or Firmware (Firmware) or be fixed in an Operating System (OS) of the device side 100, and may be executed by the processor 120 in fig. 1. Meanwhile, data, codes of programs, and the like required to execute the above-described modules may be stored in the memory 110.
The present application further provides a storage medium, on which a computer program is stored, where the computer program is executed by the processor 120, and the data encoding method according to any one of the above embodiments is provided.
In summary, according to the data encoding method, the apparatus, the device end, and the storage medium provided in the embodiments of the present invention, the data to be transmitted is obtained, the data name, the data type, the value content length, and the value content of the data to be transmitted are extracted, and then the preset tag content, the obtained timestamp, the data name, the data type, the value content length, and the value content are added to the buffer queue according to the preset sequence and are spliced to form encoded data, where the preset tag content has the highest priority. The encoding is carried out according to the method, the attributes such as the data type, the value content length and the like of the encoded data can be identified without adding an IDL file, the compatibility is strong, and in addition, the decoding end can decode quickly through a preset sequence; meanwhile, when coding is carried out, each data to be transmitted is coded in sequence, and the transmission processing of the streaming data is friendly.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, 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 addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention or a part thereof, which essentially contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a device side, or a network device) to execute all or part of the steps of the method according to the embodiments 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), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A data encoding method, characterized in that the data encoding method comprises:
acquiring data to be transmitted;
extracting the data name, the data type, the value content length and the value content of the data to be transmitted;
and adding preset label content, the acquired timestamp, the data name, the data type, the value content length and the value content to a buffer queue according to a preset sequence for splicing to form coded data, wherein the preset label content has the highest priority.
2. The data encoding method of claim 1, wherein the step of sequentially adding the preset tag content, the obtained timestamp, the data name, the data type, the value content length, and the value content to a buffer queue in a preset order to form the encoded data comprises:
and sequentially adding preset label content, the timestamp, the data name, the data type, the value content length and the value content to a buffer queue for splicing to form coded data.
3. The data encoding method of claim 2, wherein the step of sequentially adding the preset tag content, the timestamp, the data name, the data type, the value content length, and the value content to a buffer queue for splicing to form encoded data comprises:
if the length of the data name is less than or equal to a preset first byte, after the high order of the data name is filled with 0, adding the filled data name to the buffer queue;
and if the length of the value content length is less than or equal to a preset second byte, filling 0 in the high order of the value content length, and then adding the filled value content length to the buffer queue.
4. The data encoding method of claim 3, wherein the predetermined first byte is 8 bytes and the predetermined second byte is 4 bytes.
5. The data encoding method of any one of claims 1-4, wherein the length of the preset tag content is 1 byte, the length of the time stamp is 4 bytes, and the length of the data type is 1 byte.
6. The data encoding method of any one of claims 1 to 4, wherein the data types include a string, an integer, a long integer, a floating point, and a Boolean.
7. A data encoding apparatus, characterized in that the data encoding apparatus comprises:
the data acquisition module is used for acquiring data to be transmitted;
the parameter extraction module is used for extracting the data name, the data type, the value content length and the value content of the data to be transmitted;
and the splicing module is used for adding preset label content, the acquired timestamp, the data name, the data type, the value content length and the value content to a buffer queue according to a preset sequence for splicing to form coded data, wherein the preset label content has the highest priority.
8. The data encoding device of claim 7, wherein the splicing module is configured to sequentially add the preset tag content, the timestamp, the data name, the data type, the value content length, and the value content to a buffer queue for splicing to form encoded data.
9. A device side comprising a processor and a memory, the memory storing a computer program executable by the processor, the processor being configured to execute the computer program to implement the data encoding method of any one of claims 1 to 6.
10. A storage medium on which a computer program is stored, which computer program, when being executed by a processor, carries out the data encoding method as claimed in any one of claims 1 to 6.
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| CN115001628B (en) * | 2022-06-07 | 2024-02-27 | 北京百度网讯科技有限公司 | Data encoding method and device, data decoding method and device and data structure |
| CN115834027A (en) * | 2023-01-06 | 2023-03-21 | 浪潮电子信息产业股份有限公司 | Message filling method, device, equipment and computer readable storage medium |
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