CN115002236B - 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 data into a platform communication protocol with a unified data format so as to interact with an upper 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 problem of partial analysis of complex message data, shortens the development period and 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 a heterogeneous industrial control protocol by an edge gateway, and particularly relates to an analysis method and a visual configuration method of a communication message data part.
Background
With the development of society, the industrial internet has been increasingly used. The edge computing gateway is positioned at 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, wherein the sensors are distinct in three aspects of used industrial control protocols, dependent transmission networks and data analysis, and all the problems of linkage and control are difficult to solve by using a unified framework and protocols.
The gateway analyzes and obtains the data part of the communication message according to the standards of different industrial control protocols. The message data portion is generally divided into two types, one binary data type and one text data type. The message data part is quite complex, flexible and changeable due to the consideration of data security and the like. There are special cases such as single data being discretely distributed among multiple bytes, and the resolution difficulty is large. In order to meet the requirement, the conventional edge gateway usually adopts a single code analysis mode, has long development period, is unfavorable for later maintenance and modification, and is difficult to adapt to complex scenes. Such drawbacks have a great limitation on the development of industrial internet of things.
Disclosure of Invention
In order to solve the problem of data analysis existing in the current edge gateway, the invention provides an edge soft gateway with visualized configuration of a data protocol, which realizes flexible configuration, flexible change and flexible analysis of a message data part. The configuration of the data portion of the message will be collectively referred to as a data protocol hereinafter.
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 devices;
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 data into a platform communication protocol with a unified data format so as to interact with an upper 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.
Wherein:
the basic communication protocol analysis module is provided with a corresponding communication protocol configuration file, is used for judging the type of a communication protocol message (such as TCP/Socket, modbus and the like) and correspondingly analyzes the communication protocol message;
the data protocol analysis module is provided with a binary data analysis unit and a text data analysis unit and is used for adapting to 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, so as to be used for visual configuration of different types of message data protocols;
further, the binary data protocol visualization configuration flow of the binary data protocol visualization configuration unit is as follows:
and starting binary visual configuration, judging whether the configuration is finished, if so, ending, otherwise, creating a new binary rule. Then selecting binary types, wherein the binary types are divided into byte types and bit types, and if the bit types are selected, inputting byte positions, bit positions, 1 corresponding meanings and 0 corresponding meanings and then completing rule creation. If a byte type is selected, then the specific data type needs to be selected again, and then one or more starting positions, one or more byte lengths, storage sequence and multiplying power are input. And then judging whether the sum of the byte lengths is equal to the data type length, and completing rule creation. And judging whether the configuration is finished again.
Further, the text data protocol visual configuration flow of the text data protocol visual configuration unit is as follows:
and starting visual configuration of the text data protocol, judging whether the configuration is finished, if so, ending, otherwise, creating a new text rule. Text types are then selected and divided into three classes, delimiter, json, and XML, where Json and XML types support nested parsing node operations. If the separator type is selected, the brother node is created, the Key before analysis is input, the Key after analysis is input, the data type is selected, whether the creation is finished is judged, if yes, whether the configuration is finished is judged, and if not, the brother node is created again. If Json or XML type is selected, judging whether to create the nested node, if yes, creating the child node, otherwise creating the brother node, then inputting the Key before analysis, the Key after analysis, selecting the data type, then judging whether the creation is finished, if yes, judging whether the configuration is finished, if not, judging whether to create the nested node again.
In order to achieve the above objective, the present invention provides a method for resolving and converting an edge soft gateway communication protocol of a data protocol visualization configuration, which includes the following steps:
step 1, configuring a device data protocol based on a data protocol visual configuration module;
step 2, accessing equipment and obtaining a communication protocol message to be analyzed;
step 3, analyzing the message data part based on the basic communication protocol analyzing module and according to the communication protocol configuration file in the module, 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 analysis result in a key value pair form;
and step 5, based on the unified protocol conversion module, the key value pairs are assembled into a gateway unified communication protocol and uploaded to an upper service platform.
In one embodiment, in step 1, performing visual configuration on a data protocol specifically includes:
step 1.1, selecting data protocol types, and dividing the data protocol types into two types of binary system 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 starting positions and byte lengths;
and 1.3, visually configuring text data protocol information, wherein the text data protocol information comprises three types of Json, XML and separator, and all three types need to be configured with Key names Key and data types before and after conversion.
The invention has the following beneficial effects:
the soft gateway system and the data protocol visual configuration method provided by the invention can be used for effectively adapting to the problem of partial analysis of complex message data. And a visual configuration interface is provided, so that the data protocol configuration difficulty is reduced, and the convenience is enhanced. The development period and maintenance cost of the gateway of the Internet of things are shortened, and different requirements and changes are flexibly met.
Drawings
Fig. 1 is a schematic block diagram of an edge soft gateway system configured for visualization of data protocols in the present invention;
fig. 2 is a schematic flow chart of the data protocol visualization configuration edge soft gateway system in the present invention;
FIG. 3 is a binary data protocol configuration flow in the present invention;
FIG. 4 is a text data protocol configuration flow according to the present invention;
FIG. 5 is a schematic diagram of a binary data protocol configuration interface in accordance with 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 according to the present invention;
FIG. 8 is a graphical representation of a visual configuration interface for a text data protocol in accordance with 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 visualized configuration of data protocol disclosed in the invention specifically comprises a basic communication protocol analysis module, a data protocol analysis module, a unified protocol conversion module and a visualized configuration module of data protocol. 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 a designated key value pair according to the configured data protocol information. The unified protocol conversion module can convert the key value pair into a gateway unified communication protocol for communication with the Internet cloud platform.
The base protocol analysis module comprises a communication protocol configuration file, and the configuration information of the communication protocol configuration file is contained in the file according to the type of the communication protocol realized by the gateway. For example, in this embodiment, the gateway supports the Modbus protocol, and the Modbus protocol configuration information serial number, baud rate, etc. are stored in the communication protocol configuration file. The gateway communicates with the device according to the file, and then 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 the corresponding analysis unit is selected for further analysis according to the analysis result type of the base protocol analysis module. The byte array is passed to the binary data parsing unit and the character string is passed to the text data parsing unit. Text data is generally divided into three categories, json, XML, and delimiter. For binary data, for example, a protocol in which Key is temperature, type is byte, byte position is 0, and byte length is 1, then the 0 th byte "00000001" in the corresponding fetch byte array is finally resolved into "{ temperature: 1 }). For text data, there is a protocol such as "T" for original Key, "Temperature" for Key after conversion, and Number for data type, then for { "T": "100" } such a 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 platforms.
The data protocol visual configuration module comprises a binary data protocol visual configuration unit and a text data protocol visual configuration unit. Binary data protocol visualization configuration unit as shown in fig. 3, addition or deletion of binary data protocols can be performed, and binary rules can be created therein. After the creation is finished, the current data protocol configuration condition can be visually observed, and different colors are used for marking different data types, so that the configuration is convenient. The visual configuration unit of the text data protocol is shown in fig. 4, and can perform addition, deletion and modification operations on the text data protocol, select the text type, and specify keys before and after conversion. Wherein multi-level nested configuration and nested parsing are supported for Json and XML text types.
As shown in fig. 2, the present invention includes the steps of:
step 1, performing visual configuration on a device data protocol based on a data protocol visual configuration module, and selecting a data protocol type according to different protocols and different requirements, for example, modbus-RTU only supports binary data, and only selects a binary data protocol. For another example, mqtt may transmit not only text data but also binary data, which may correspond to selecting a text data protocol, a binary data protocol, or both. After the type is selected, the perfect data protocol is customized and established according to different requirements.
And 2, accessing the equipment and acquiring a communication protocol message to be analyzed.
And 3, analyzing and processing the message data part based on the basic communication protocol analysis module and 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, the program for analyzing the corresponding communication protocol is required to be written by oneself.
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 in a key value pair form.
And step 5, based on the unified protocol conversion module, the key value pairs are assembled into a gateway unified communication protocol and uploaded to an upper service platform. For example, two key value pairs of { "temperature": 20}, { "humidity": 30} are assembled as { "id": "10000", "data": "{ \" temperature ": 20" \ "humidity": 30}, "time":1321321} where id is device id, data is data, and time is a timestamp.
As shown in fig. 3, the binary data protocol visualization configuration flow in the present invention is as follows:
and starting binary visual configuration, judging whether the configuration is finished, if so, ending, otherwise, creating a new binary rule. Then selecting binary types, wherein the binary types are divided into byte types and bit types, and if the bit types are selected, inputting byte positions, bit positions, 1 corresponding meanings and 0 corresponding meanings and then completing rule creation. If a byte type is selected, then 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, magnification are entered. Then, it is determined 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 rule creation is completed. And judging whether the configuration is finished again.
As shown in fig. 4, the visual configuration flow of the text data protocol in the present invention is:
and starting visual configuration of the text data protocol, judging whether the configuration is finished, if so, ending, otherwise, creating a new text rule. Text types are then selected and divided into three classes, delimiter, json, and XML, where Json and XML types support nested parsing node operations. If the separator type is selected, the brother node is created, the Key before analysis is input, the Key after analysis is input, the data type such as Number is selected, then whether the creation is finished is judged, if yes, whether the configuration is finished is judged, and if not, the brother node is created again. If Json or XML type is selected, judging whether to create the nested node, if yes, creating the child node, otherwise creating the brother node, then inputting the Key before analysis, the Key after analysis, selecting the data type, then judging whether the creation is finished, if yes, judging whether the configuration is finished, if not, judging whether to create the nested node 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- (1), an arabic numeral enclosed in a square frame indicates a byte, and the numeral indicates a byte position. The filled color in the square box represents the data type of the created rule.
In fig. 5- (2), a round frame is enclosed with an arabic numeral to represent a bit, the numeral represents the position of the bit in a byte, and one byte is composed of eight bits and corresponds to eight circles, and the filled color in the round 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 a brother node or a child node, and if the first two rows in the figure are the nested nodes of the father and child, the first two rows are represented by decreasing frame lengths. If the last two rows are brother nodes in the figure, the frame lengths are consistent.
FIG. 7 is a binary data protocol visualization configuration interface according to the present invention;
FIG. 8 is a graphical representation of a visual configuration interface for a text data protocol in accordance with the present invention.
Further description will be made below by means of a specific conversion example.
1. A binary parsing rule is created and visually configured, and the structure is as follows:
byte 0 is of Bool type, key is Boolean; the 10 th to 17 th bytes are 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 illustrated sequence, and the Key bit is a Long integer with disorder; bit 3 of the 40 th byte is Bit type and Key is Bit. The final defined rule is of the form:
wherein key represents the key name of the key-value pair; dataType represents data type and is an enumerated type, e.g., 0 represents Bool; startPosition represents the starting position of each rule block; length represents the byte length; magnifications represent magnifications; endian indicates the order of storage.
2. Taking Modbus communication protocol as an example, the gateway comprises the following communication protocol configuration files:
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 enabled or not.
The Modbus message to be analyzed is obtained through the following configuration.
Modbus message obtains byte array through Modbus frame analysis rule
4. Further analyzing the byte array obtained by analyzing in the step 2 to obtain a series of key value pairs as follows:
{ "Boolean": "False" }, { "Long integer": "0" }, { "out-of-order Long integer": "0" }, { "bit": "F" }
5. The gateway unified communication protocol finally converted is as follows:
the foregoing is a further detailed description of the invention in connection with specific/preferred embodiments, and it is not intended that the invention be limited to such description. It will be apparent to those skilled in the art that several alternatives or modifications can be made to the described embodiments without departing from the spirit of the invention, and these alternatives or modifications should be considered to be within the scope of the invention.
The invention, in part not described in detail, is within the skill of those skilled in the art.
Claims (3)
1. 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 devices;
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 data into a platform communication protocol with a unified data format so as to interact with an upper 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, is used for judging the type of the communication protocol message and correspondingly analyzes the communication protocol message;
the data protocol analysis module is provided with a binary data analysis unit and a text data analysis unit and is used for adapting to 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, so as to be used for visual configuration of different types of message data protocols;
the binary data protocol visual configuration flow of the binary data protocol visual configuration unit is as follows:
starting binary visual configuration, judging whether the configuration is finished, if so, ending, otherwise, creating a new binary rule; then selecting binary types, wherein the binary types are divided into byte types and bit types, and if the bit types are selected, inputting byte positions, bit positions, 1 corresponding meanings and 0 corresponding meanings, and then completing rule creation; if the byte type is selected, the specific data type is required to be selected again, and then one or more starting positions, one or more byte lengths, a storage sequence and a multiplying power are input; then judging whether the sum of byte lengths is equal to the data type length, and completing rule creation; judging whether the configuration is finished again;
the text data protocol visual configuration flow of the text data protocol visual configuration unit is as follows:
starting visual configuration of the text data protocol, judging whether the configuration is finished, if so, ending, otherwise, creating a new text rule; then selecting text types, and dividing the text types into three types of separators, json and XML, wherein the Json and the XML types support nested parsing node operation; if the separator type is selected, creating a brother node, inputting a Key before analysis, inputting a Key after analysis, selecting a data type, judging whether the creation is finished or not, if so, judging whether the configuration is finished or not, and if not, creating the brother node again; if Json or XML type is selected, judging whether to create the nested node, if yes, creating the child node, otherwise creating the brother node, then inputting the Key before analysis, the Key after analysis, selecting the data type, then judging whether the creation is finished, if yes, judging whether the configuration is finished, if not, judging whether to create the nested node again.
2. The method for resolving and converting the edge soft gateway of the visual configuration of the data protocol is characterized by being applied to the edge soft gateway as claimed in claim 1, and comprising the following steps:
step 1, configuring a device data protocol based on a data protocol visual configuration module;
step 2, accessing equipment and obtaining a communication protocol message to be analyzed;
step 3, analyzing the message data part based on the basic communication protocol analyzing module and according to the communication protocol configuration file in the module, 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 analysis result in a key value pair form;
and step 5, based on the unified protocol conversion module, the key value pairs are assembled into a gateway unified communication protocol and uploaded to an upper service platform.
3. The method for resolving and converting an edge soft gateway for visualized configuration of a data protocol according to claim 2, wherein in step 1, the visualized configuration of the data protocol is performed, specifically comprising:
step 1.1, selecting data protocol types, and dividing the data protocol types into two types of binary system 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 starting positions and byte lengths;
and 1.3, visually configuring text data protocol information, wherein the text data protocol information comprises three types of Json, XML and separator, and all three types need to be configured with Key names Key and data types before and after conversion.
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| CN111404883A (en) * | 2020-03-02 | 2020-07-10 | 青岛聚好联科技有限公司 | Method and device for analyzing Internet of things equipment universal protocol |
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