CN115002236A - Edge soft gateway for visual configuration of data protocol - Google Patents
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Abstract
The invention discloses an edge soft gateway for visual configuration of a data protocol, which comprises a basic communication protocol analysis module, a data protocol analysis module, a unified protocol conversion module and a data protocol visual configuration module. The basic communication protocol analysis module is used for analyzing different industrial control protocols; the data protocol analysis module is used for analyzing the message data part and converting the message data part into a corresponding key value pair form according to the data protocol configuration information corresponding to the equipment; the unified protocol conversion module is used for converting the key value pair data into a platform communication protocol with a unified data format so as to be used for interacting with an upper-layer service platform; and the data protocol visual configuration module is used for visually configuring the data protocol according to different analysis requirements of different devices. The system can effectively adapt to the complicated analysis problem of the message data part, shortens the development period and the maintenance cost of the gateway of the Internet of things, and flexibly meets different protocol analysis requirements.
Description
Technical Field
The invention belongs to the field of industrial internet, relates to a technology for analyzing heterogeneous industrial control protocols by an edge gateway, and particularly relates to an analysis method and a visual configuration method for a communication message data part.
Background
With the development of society, industrial internet is more and more widely applied. The edge computing gateway is positioned at the position of a core hub in the industrial internet and is responsible for collecting, storing and processing edge data. The industrial internet scene is accompanied by the access of a large number of sensor devices, and the main challenge faced is the heterogeneous problem of the devices, which is particularly shown in that each sensor is distinct in three aspects of the industrial control protocol used, the transmission network relied on and the data analysis, and it is difficult to solve all the linking and control problems by using a uniform framework and protocol.
And the gateway analyzes the data part of the communication message according to the standards of different industrial control protocols. The message data part is generally divided into two types, one binary data type and one text data type. The message data part is often very complex, flexible and changeable due to data security and other considerations. There are many special cases, for example, where single data is distributed discretely among a plurality of bytes, and the resolution is difficult. The traditional edge gateway usually adopts a single coding analysis mode to meet the requirement, has long development period, is not beneficial to later maintenance and modification, and is difficult to adapt to complex scenes. Such a disadvantage has a great restriction on the development of the industrial internet of things.
Disclosure of Invention
In order to solve the problem of data analysis of the current edge gateway, the invention provides the edge soft gateway with visual configuration of a data protocol, which realizes flexible configuration, flexible change and flexible analysis of a message data part. The configuration of the data part of the message is referred to collectively as a data protocol in the following.
The technical scheme of the invention is as follows:
an edge soft gateway for data protocol visualization configuration, comprising:
the basic communication protocol analysis module is used for analyzing different industrial control protocols from different equipment;
the data protocol analysis module is used for analyzing the message data part and converting the message data part into a corresponding key value pair form according to the data protocol configuration information corresponding to the equipment;
the unified protocol conversion module is used for converting the key value pair data into a platform communication protocol with a unified data format so as to interact with an upper-layer service platform;
and the data protocol visual configuration module is used for visually configuring the data protocol according to different analysis requirements of different equipment.
Wherein:
the basic communication protocol analysis module is provided with a corresponding communication protocol configuration file for judging the type of a communication protocol message (such as TCP/Socket, Modbus and the like) and analyzing correspondingly;
the data protocol analysis module is provided with a binary data analysis unit and a text data analysis unit for adapting to the analysis of different types of message data;
the data protocol visual configuration module is provided with a binary data protocol visual configuration unit and a text data protocol visual configuration unit, and is used for visual configuration of different types of message data protocols;
further, the binary data protocol visualization configuration process of the binary data protocol visualization configuration unit is as follows:
and starting binary visual configuration, judging whether the configuration is finished or not, finishing the configuration if the configuration is finished, and otherwise, creating a new binary rule. And then selecting a binary type, wherein the binary type is divided into two types of bytes and bits, and if the bit type is selected, the rule creation is completed after inputting the byte position, the bit position, the meaning corresponding to 1 and the meaning corresponding to 0. If the byte type is selected, the specific data type needs to be selected again, and then one or more start positions, one or more byte lengths, storage order and multiplying power are input. And then judging whether the sum of the byte lengths is equal to the data type length or not, and finishing the rule creation. And judging whether the configuration is finished again.
Further, the process of the visual configuration of the text data protocol of the visual configuration unit of the text data protocol comprises:
and starting to perform text data protocol visual configuration, judging whether the configuration is finished, if so, finishing, and otherwise, creating a new text rule. And then selecting a text type, and dividing the text type into three types of separators, Json and XML, wherein the Json and XML types support nested parsing node operation. If the type of the separator is selected, creating a brother node, inputting a Key before analysis, inputting a Key after analysis, selecting a data type, then judging whether creation is finished, if so, judging whether configuration is finished, and if not, creating the brother node again. If Json or XML type is selected, whether the nested node is created or not is judged, if yes, a child node is created, otherwise, a brother node is created, then, a Key before analysis, a Key after analysis and data type selection are input, whether creation is finished or not is judged, if yes, whether configuration is finished or not is judged, and if not, whether the nested node is created or not is judged again.
In order to achieve the above object, the present invention provides an edge soft gateway communication protocol parsing and converting method for data protocol visual configuration, which comprises the following steps:
step 4, analyzing the message data part based on the data protocol configured by the data protocol visual configuration module, and storing the result obtained by analysis as a key value pair form;
and 5, assembling the key value pairs into a gateway unified communication protocol based on the unified protocol conversion module, and uploading the gateway unified communication protocol to an upper-layer service platform.
In one embodiment, in step 1, performing visual configuration on the data protocol specifically includes:
step 1.1, selecting data protocol types which are divided into binary systems and character strings;
step 1.2, visually configuring binary data protocol information, wherein the binary data protocol information comprises a plurality of binary data rules, and each binary data rule comprises a Key name Key, a data type, a plurality of groups of byte initial positions and byte lengths;
and step 1.3, visually configuring text data protocol information, wherein the text data protocol information comprises three types of Json, XML and delimiters, and the three types of Json, XML and delimiters need to be configured with Key names Key before and after conversion and data types.
The invention has the following beneficial effects:
the invention provides a visual configuration method of a soft network relation and a data protocol, and the system can effectively adapt to the analysis problem of a complex message data part. And a visual configuration interface is provided, the data protocol configuration difficulty is reduced, and the convenience is enhanced. The development period and the maintenance cost of the gateway of the Internet of things are shortened, and different requirements and changes can be flexibly met.
Drawings
FIG. 1 is a schematic block diagram of a data protocol visualization configuration edge soft gateway system according to the present invention;
FIG. 2 is a schematic flow chart of a data protocol visualization configuration edge soft gateway system according to the present invention;
FIG. 3 is a flow chart of binary data protocol configuration according to the present invention;
FIG. 4 is a text data protocol configuration flow of the present invention;
FIG. 5 is a schematic diagram of a binary data protocol configuration interface according to the present invention;
FIG. 6 is a schematic diagram of a text data protocol configuration interface in accordance with the present invention;
FIG. 7 is a binary data protocol visualization configuration interface in accordance with the present invention;
FIG. 8 is a visual configuration interface for text data protocol in the present invention.
Detailed description of the preferred embodiments
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the edge soft gateway system with visual data protocol configuration disclosed in the present invention specifically includes a basic communication protocol analysis module, a data protocol analysis module, a unified protocol conversion module, and a data protocol visual configuration module. The basic communication protocol analysis module can check and analyze the protocol message and output a byte array or a character string. The data protocol analysis module can convert the analysis result of the basic communication protocol analysis module into an appointed key value pair according to the configured data protocol information. The unified protocol conversion module can convert the key value pairs into a gateway unified communication protocol for communication with an internet cloud platform.
The basic protocol analysis module contains a communication protocol configuration file, and the file contains configuration information thereof according to the type of the communication protocol realized by the gateway. For example, if the gateway supports the Modbus protocol in this embodiment, the communication protocol configuration file stores the Modbus protocol configuration information serial port number, baud rate, and the like. The gateway communicates with the equipment according to the file, correspondingly analyzes the collected data and outputs the data as a byte array or a character string.
The data protocol analysis module comprises a binary data analysis unit and a text data analysis unit, and selects a corresponding analysis unit for further analysis according to the analysis result type of the basic protocol analysis module. The byte array is delivered to a binary data analysis unit, and the character string is delivered to a text data analysis unit. The text data is generally classified into three categories, i.e., Json, XML, and separator. For binary data, for example, if the protocol is that Key is temperature, type is byte, byte position is 0, and byte length is 1, the corresponding 0 th byte "00000001" in the fetched byte array is finally resolved into "{ temperature: 1 }". For text data, for example, the following protocol is provided, where the original Key is "T", the converted Key is "Temperature", and the data type is Number, and then for a Json conversion result of { "T": 100"}, the Json conversion result is {" Temperature ":100}
The unified protocol conversion module is used for combining the key value pairs into a gateway unified protocol, communicating with an upper-layer service platform, and converting the result into a Json format. Different protocol formats need to be written for different upper-layer platforms.
The data protocol visualization configuration module comprises a binary data protocol visualization configuration unit and a text data protocol visualization configuration unit. The binary data protocol visualization configuration unit can perform addition and deletion of the binary data protocol and create a binary rule therein as shown in fig. 3. After the data protocol is created, the configuration condition of the current data protocol can be visually observed, and different data types are marked by different colors, so that the configuration is facilitated. As shown in fig. 4, the text data protocol visualization configuration unit can perform operations of adding, deleting and modifying a text data protocol, select a text type, and specify keys before and after conversion. Where multiple layers of nested configurations and nested parsing are supported for Json and XML text types.
As shown in fig. 2, the present invention comprises the steps of:
And 2, accessing the equipment and acquiring the communication protocol message to be analyzed.
And 3, analyzing and processing the message data part based on the basic communication protocol analysis module according to the communication protocol configuration file in the module, and outputting the message data part as a byte array or a character string. According to the gateway service requirement, a program for analyzing the corresponding communication protocol needs to be written by self.
And 4, classifying and analyzing the message data part based on the data protocol configured by the data visualization configuration module, dividing the message data part into binary data analysis and text data analysis, and storing the analysis result into a key value pair form.
And 5, assembling the key value pairs into a gateway unified communication protocol based on the unified protocol conversion module, and uploading the gateway unified communication protocol to an upper-layer service platform. For example, two key value pairs of { "temperature": 20}, { "humidity": 30} are assembled into { "id": 10000"," data "{ \\" temperature \ 20, \ "humidity \ 30}", "time":1321321} wherein id is the device id, data is the data, and time is the timestamp.
As shown in fig. 3, the binary data protocol visualization configuration process in the present invention is:
and starting binary visual configuration, judging whether the configuration is finished or not, if so, finishing the configuration, and otherwise, creating a new binary rule. And then selecting a binary type, wherein the binary type is divided into two types of bytes and bits, and if the bit type is selected, the rule creation is completed after inputting the byte position, the bit position, the meaning corresponding to 1 and the meaning corresponding to 0. If the byte type is selected, a specific data type, such as int, needs to be selected again, and then one or more start positions, one or more byte lengths, storage order, and magnification are input. And then judging whether the sum of the byte lengths is equal to the data type length, for example, if the int type is selected, the sum of the byte lengths should be 4, and completing the rule creation. And judging whether the configuration is finished again.
As shown in fig. 4, the text data protocol visualization configuration process in the present invention is:
and starting to perform text data protocol visual configuration, judging whether the configuration is finished, if so, finishing, and otherwise, creating a new text rule. And then selecting a text type, and dividing the text type into three types of separators, Json and XML, wherein the Json and XML types support nested parsing node operation. If the type of the separator is selected, creating a brother node, inputting a Key before analysis, inputting a Key after analysis, and selecting a data type, such as Number, then judging whether creation is finished, if so, judging whether configuration is finished, and if not, creating the brother node again. If Json or XML type is selected, whether the nested node is created or not is judged, if yes, a child node is created, otherwise, a brother node is created, then, a Key before analysis, a Key after analysis and data type selection are input, whether creation is finished or not is judged, if yes, whether configuration is finished or not is judged, and if not, whether the nested node is created or not is judged again.
As shown in fig. 5, a schematic diagram of a binary data protocol configuration interface according to the present invention is shown:
in fig. 5-r, an arabic numeral enclosed in a square frame represents a byte, and a numeral represents a byte position. The fill color in the square box represents the data type of the created rule.
In fig. 5-c, an arabic numeral in a circular frame indicates a bit, the numeral indicates the position of the bit in the byte, a byte is composed of eight bits and corresponds to eight circles, and the filling color in the circular frame indicates that the bit is the currently selected bit.
As shown in fig. 6, a schematic diagram of a text data protocol configuration interface according to the present invention is shown:
the Key before conversion, the Key after conversion, and the data type need to be input. Clicking the plus sign can select to add brother nodes or child nodes, wherein the first two rows in the figure are parent and child nested nodes and are represented by descending box lengths. The last two rows in the figure are the sibling nodes, and the frame lengths are consistent.
FIG. 7 is a binary data protocol visualization configuration interface in accordance with the present invention;
FIG. 8 is a visual configuration interface for text data protocol in the present invention.
This is further illustrated by a specific conversion example.
1. Creating and visually configuring a binary analysis rule, wherein the structure of the binary analysis rule is as follows:
the 0 th byte is Bool type, and Key is Boolean; the 10 th byte to the 17 th byte is of Long type, and Key is a Long integer; the 25 th to 27 th bytes, the 30 th to 32 th bytes and the 20 th to 21 th bytes form a Long type according to the sequence shown in the figure, and Key bits are disordered Long integers; bit 3 of the 40 th byte is Bit type, and Key is Bit. The final defined rule is of the form:
wherein a key represents a key name of a key-value pair; dataType represents a data type and is an enumerated type, e.g., 0 represents Bool; startPosition represents the start position of each rule block; length represents the byte length; magnification represents Magnification; endian denotes the storage order.
2. The gateway takes a Modbus communication protocol as an example, and the communication protocol configuration file is as follows:
wherein PortName is the port name, BaudRate is the baud rate, Parity is the Parity bit, DataBits is the data bit, StopBits is the stop bit, and Enable is whether to Enable or not.
The Modbus message to be analyzed is obtained through the following configuration.
Obtaining the byte array by the Modbus message through the Modbus frame analysis rule
4. Further analyzing the byte number group analyzed in the step 2 to obtain a series of key value pairs as follows:
{ "Boolean": False "}, {" long integer ": 0" }, { "disorder long integer": 0"}, {" bit ": F" }
5. The finally converted gateway unified communication protocol is as follows:
the foregoing is a more detailed description of the invention in connection with specific/preferred embodiments and is not intended to limit the practice of the invention to those descriptions. For those skilled in the art to which the invention pertains, several alternatives or modifications may be made to the described embodiments without departing from the inventive concept, and such alternatives or modifications should be considered as falling within the scope of the present invention.
The present invention has not been described in detail, partly as is known to the person skilled in the art.
Claims (5)
1. An edge soft gateway for visualization configuration of a data protocol, comprising:
the basic communication protocol analysis module is used for analyzing different industrial control protocols from different equipment;
the data protocol analysis module is used for analyzing the message data part and converting the message data part into a corresponding key value pair form according to the data protocol configuration information corresponding to the equipment;
the unified protocol conversion module is used for converting the key value pair data into a platform communication protocol with a unified data format so as to interact with an upper-layer service platform;
the data protocol visual configuration module is used for visually configuring the data protocol according to different analysis requirements of different devices;
wherein:
the basic communication protocol analysis module is provided with a corresponding communication protocol configuration file for judging the type of the communication protocol message and analyzing correspondingly;
the data protocol analysis module is provided with a binary data analysis unit and a text data analysis unit for adapting to the analysis of different types of message data;
the data protocol visualization configuration module is provided with a binary data protocol visualization configuration unit and a text data protocol visualization configuration unit, and is used for visualization configuration of different types of message data protocols.
2. The edge soft gateway for visualization configuration of data protocol according to claim 1, wherein the flow of visualization configuration of binary data protocol of the binary data protocol visualization configuration unit is as follows:
starting binary visual configuration, judging whether the configuration is finished or not, if so, finishing the configuration, and otherwise, creating a new binary rule; then selecting a binary system type, wherein the binary system type is divided into two types of bytes and bits, and if the bit type is selected, the rule creation is completed after inputting the byte position, the bit position, the meaning corresponding to 1 and the meaning corresponding to 0; if the byte type is selected, the specific data type needs to be selected again, and then one or more initial positions, one or more byte lengths, storage sequence and multiplying power are input; then judging whether the sum of the byte lengths is equal to the data type length or not, and finishing the rule creation; and judging whether the configuration is finished or not again.
3. The edge soft gateway for visualization configuration of data protocol according to claim 1, wherein the process of visualization configuration of text data protocol of the text data protocol visualization configuration unit is as follows:
starting to carry out visual configuration of a text data protocol, judging whether the configuration is finished or not, if so, finishing, and otherwise, creating a new text rule; selecting a text type, and dividing the text type into three types of separators, Json and XML, wherein the Json and XML type support nested parsing node operation; if the type of the separator is selected, creating a brother node, inputting a Key before analysis, inputting a Key after analysis, selecting a data type, then judging whether creation is finished, if so, judging whether configuration is finished, and if not, creating the brother node again; if Json or XML type is selected, whether the nested node is created or not is judged, if yes, a child node is created, otherwise, a brother node is created, then, a Key before analysis, a Key after analysis and data type selection are input, whether creation is finished or not is judged, if yes, whether configuration is finished or not is judged, and if not, whether the nested node is created or not is judged again.
4. An edge soft gateway analysis and conversion method for visual configuration of a data protocol is characterized by comprising the following steps:
step 1, configuring a device data protocol based on a data protocol visual configuration module;
step 2, accessing the equipment and obtaining a communication protocol message to be analyzed;
step 3, analyzing the module based on the basic communication protocol and according to the communication protocol configuration file in the module, acquiring a message data part, and outputting the message data part as a byte array or a character string;
step 4, analyzing the message data part based on the data protocol configured by the data protocol visual configuration module, and storing the result obtained by analysis as a key value pair form;
and 5, assembling the key value pairs into a gateway unified communication protocol based on the unified protocol conversion module, and uploading the gateway unified communication protocol to an upper-layer service platform.
5. The method for analyzing and converting an edge soft gateway for visualization configuration of a data protocol according to claim 4, wherein in the step 1, the visualization configuration of the data protocol specifically includes:
step 1.1, selecting data protocol types which are divided into binary systems and character strings;
step 1.2, visually configuring binary data protocol information, wherein the binary data protocol information comprises a plurality of binary data rules, and each binary data rule comprises a Key name Key, a data type, a plurality of groups of byte initial positions and byte lengths;
and step 1.3, visually configuring text data protocol information, wherein the text data protocol information comprises three types of Json, XML and delimiters, and the three types of Json, XML and delimiters need to be configured with Key names Key before and after conversion and data types.
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