CN105573970B - Data packet reconstruction method and device - Google Patents

Abstract

The invention discloses a data packet reconstruction method and device. The method comprises: extracting the changed part data representing the dynamic change in the source data packet; encapsulating the changed part data into an editable configuration file; The edited configuration file generates an editable interface of the data package, and user data and editing content can be added on the editable interface; according to the data content in the editable interface, the data content in the original data package is verified and calculated, and output packets with the specified format. The method of the invention is not limited by the operating system and the hardware environment, can adapt to various software and hardware environments, and greatly improves the editing efficiency and accuracy of the configuration file.

Description

A kind of data packet reconstruction method and device

technical field

The present application relates to the field of communication technologies, and in particular, to a data packet reconstruction method and apparatus.

Background technique

In recent years, people have more and more exploration and excavation tasks in space, and the application of satellite navigation, positioning and communication has become more and more extensive. In order to support the smooth development of various tasks, it is necessary to generate a large number of injection data packets to implement the on-orbit flight control of each space vehicle. Currently, the most researched data packet generation method is software hard coding, that is, the data packet format is written into the software in the form of program code, which cannot be adapted to the changing requirements of the format.

Generally, the format and field values of data packets are specified by the application system and protocol used, and there are certain changes in different stages. With the upgrade of the system and the change of the protocol, corresponding changes will also be made, which requires a lot of Software work, including: requirements sorting, software development, compilation, testing, release, etc., greatly increases the complexity of software maintenance.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide a data packet reconstruction method and device, which are used to solve the problem in the prior art that with system upgrades and protocol changes, corresponding changes are also performed, which requires a lot of software work.

Its specific technical solutions are as follows:

A data packet reconstruction method, the method comprising:

Extraction of the changing part of the data representing the dynamic change in the source data packet;

Encapsulating the changed part data into an editable configuration file;

According to the editable configuration file, an editable interface of the data package is generated, wherein user data and editable content can be added in the editable interface;

According to the data content in the editable interface, the verification calculation is performed on the data content in the original data packet, and the data packet with the specified format is output.

Optionally, encapsulate the changed part data into an editable configuration file, specifically:

The changed part data is encapsulated into an extensible markup language XML file, and the XML file is used as the configuration file.

Optionally, according to the data content in the editable interface, check and calculate the data content in the original data packet, and output a data packet with a specified format, including:

Delay the packet format of the hardcoded source packet until the packet generation stage;

Decoupling the packet format from the generator via XML files;

Based on the decoupling result, the source data package is dynamically loaded through an XML file, and a data package with a specified format is output.

Optionally, dynamically load the source data package through an XML file, and output a data package with a specified format, including:

The data is described by setting the scale in the form of a tree through the XML file, and the relevant attributes of the corresponding data packet fields are configured in each XML node, and the data packets in the specified format with the relevant attributes are output.

Optionally, configure the relevant attributes of the corresponding data packet fields in each XML node, specifically:

In each XML node, configure the corresponding field number, field name, number of bytes occupied, dependencies, and related attributes of field remarks.

A data packet reconstruction device, comprising:

The extraction module is used to extract the changed part of the data representing the dynamic change in the source data packet;

a configuration file generation module, used to encapsulate the changed part data into an editable configuration file;

an interface generation module for generating an editable interface of the data package according to the editable configuration file, wherein user data and editing content can be added to the editable interface;

The reconstruction module is used for checking and calculating the data content in the original data package according to the data content in the editable interface, and outputting a data package with a specified format.

Optionally, the configuration file generation module is specifically configured to encapsulate the changed part data into an extensible markup language XML file, and use the XML file as the configuration file.

Optionally, the reconstruction module is specifically used to delay the data packet format of the hard-coded source data packet to the data packet generation stage; decouple the data packet format from the generator through an XML file; based on the decoupling result, through the The XML file dynamically loads the source data package, and outputs the data package with the specified format.

Optionally, the reconstruction module is specifically configured to describe the data in a tree-like format through an XML file, configure the relevant attributes of the corresponding data packet fields in each XML node, and output the specified data with relevant attributes. formatted packets.

Optionally, the reconstruction module is specifically configured to configure in each XML node the corresponding field number, field name, number of bytes occupied, dependencies, and relevant attributes of field remarks.

In an embodiment of the present invention, a data packet reconstruction method includes: extracting, in a source data packet, changed part data representing dynamic changes; encapsulating the changed part data into an editable configuration file; The described configuration file, generates an editable interface of the data package, and can add user data and editing content in the editable interface; Output packets with the specified format. The method of the invention is not limited by the operating system and the hardware environment, can adapt to various software and hardware environments, and greatly improves the editing efficiency and accuracy of the configuration file.

Description of drawings

1 is a flowchart of a data packet reconstruction method in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a data packet reconstruction apparatus according to an embodiment of the present invention.

Detailed ways

In an embodiment of the present invention, a data packet reconstruction method includes: extracting, in a source data packet, changed part data representing dynamic changes; encapsulating the changed part data into an editable configuration file; The described configuration file, generates an editable interface of the data package, and can add user data and editing content in the editable interface; Output packets with the specified format. The method of the invention is not limited by the operating system and the hardware environment, can adapt to various software and hardware environments, and greatly improves the editing efficiency and accuracy of the configuration file.

The technical solutions of the present invention will be described in detail below through the accompanying drawings and specific embodiments. It should be understood that the embodiments of the present invention and the specific technical features in the embodiments are only descriptions of the technical solutions of the present invention, rather than limitations. In the case of no conflict , the embodiments of the present invention and the specific technical features in the embodiments may be combined with each other.

FIG. 1 is a flowchart of a data packet reconstruction method in an embodiment of the present invention, and the method includes:

S101, extracting the changed part data representing the dynamic change in the source data packet;

S102, encapsulating the changed part data into an editable configuration file;

S103, according to the editable configuration file, generate an editable interface of the data packet;

Wherein, user data and editing content can be added in the editable interface;

S104, according to the data content in the editable interface, perform verification calculation on the data content in the original data packet, and output a data packet with a specified format.

Specifically, in the embodiment of the present invention, after receiving the source data packet, taking into account the deletion of the source data packet field and the change of the length, the changed part is extracted, so as to obtain part of the data representing the dynamic change , which encapsulates the changed part of the data as an extensible markup language XML file, and uses the XML file as a configuration file.

Delay the data format of the hard-coded source data package to the data package generation stage, decouple the data package format from the generator through the XML file, and dynamically load the source data package through the XML file based on the decoupling result, and output the specified data package. formatted packets.

Further, in this embodiment of the present invention, the data is described in a tree-like 1:1 format through an XML file, the relevant attributes of the corresponding data packet fields are configured in each XML node, and a specified format with relevant attributes is output. data pack.

Here, the relevant attributes of the corresponding data packet fields configured for each XML node are: configure the corresponding field number, field name, number of bytes, dependencies, and field remarks in each XML node. The configuration code is as follows:

Through the above method, the corresponding relevant attributes can be configured for each node in the XML node. Since the method of managing data in a tree-like structure in an XML file completely conforms to the field form of the data packet, the data packet can be accurately described in the form of 1:1, which greatly improves the editing efficiency and accuracy of the configuration file.

Further, after obtaining the XML file, according to the editable configuration file, an editable interface of the data package is generated, and the user is allowed to fill in or edit each field of the data package in the editable interface, so that the generation of the data package will not Restricted by the operating system and hardware environment, it can adapt to various software and hardware environments.

Finally, based on the content filled or edited in each field in the editable interface and the above configuration file, the data content in the source data packet is verified and calculated, so as to output the data packet with the specified format, thus realizing the generation of the data packet The method meets the needs of multi-class packet generation.

Generally speaking, in the embodiment of the present invention, the source data package information is configurable, and the generated data package can be dynamically adjusted according to actual needs without modifying the program based on the configuration file; intuitive and easy-to-read XML is used. The file is used as a configuration file. Since the XML file manages data in a tree-like structure, it completely conforms to the field form of the data packet, and can accurately describe the data packet in the form of 1:1, which greatly improves the editing efficiency and accuracy of the configuration file. .

Corresponding to a data packet reconstruction method in an embodiment of the present invention, an embodiment of the present invention also provides a data packet reconstruction apparatus, and FIG. 2 shows the structure of a data packet reconstruction apparatus in an embodiment of the present invention Schematic diagram, the device includes:

The extraction module 201 is used for extracting the changed part data representing the dynamic change in the source data packet;

a configuration file generation module 202, configured to encapsulate the changed part data into an editable configuration file;

The interface generation module 203 is configured to generate an editable interface of the data package according to the editable configuration file, wherein user data and editing content can be added in the editable interface;

The reconstruction module 204 is configured to perform verification calculation on the data content in the original data package according to the data content in the editable interface, and output a data package with a specified format.

Further, in this embodiment of the present invention, the configuration file generating module 202 is specifically configured to encapsulate the changed part data into an extensible markup language XML file, and use the XML file as the configuration file.

Further, in the embodiment of the present invention, the reconstruction module 204 is specifically configured to delay the data packet format of the hard-coded source data packet to the data packet generation stage; decouple the data packet format from the generator through an XML file; Based on the decoupling result, the source data package is dynamically loaded through an XML file, and a data package with a specified format is output.

Further, in this embodiment of the present invention, the reconstruction module 204 is specifically configured to describe the data in a tree-like format through an XML file, configure the relevant attributes of the corresponding data packet fields in each XML node, and Output a packet of the specified format with the associated attributes.

Further, in this embodiment of the present invention, the reconstruction module 204 is specifically configured to configure in each XML node the relevant attributes of the corresponding field number, field name, number of bytes occupied, dependency, and field remarks.

While the preferred embodiments of the present application have been described, additional changes and modifications to these embodiments may occur to those of ordinary skill in the art once the basic inventive concepts are known. Therefore, the appended claims are intended to be construed to include the preferred embodiment and all changes and modifications that fall within the scope of this application.

Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims (10)

1. a data packet reconstruction method, is characterized in that, described method comprises: Extract the changing part of the data representing the dynamic change in the source data packet; Encapsulating the changed part data into an editable configuration file; generating an editable interface of the data package according to the editable configuration file, wherein user data and editing content can be added in the editable interface; According to the data content in the editable interface, the verification calculation is performed on the data content in the source data package, and the data package with the specified format is output. 2. The method of claim 1, wherein the changed part data is encapsulated into an editable configuration file, specifically: The changed part data is encapsulated into an extensible markup language XML file, and the XML file is used as the configuration file. 3. The method according to claim 2, wherein, according to the data content in the editable interface, the data content in the source data packet is checked and calculated, and the data packet with a specified format is output, comprising: Delay the packet format of the hardcoded source packet until the packet generation stage; Decoupling the packet format from the generator via XML files; Based on the decoupling result, the source data package is dynamically loaded through an XML file, and a data package with a specified format is output. 4. The method according to claim 3, wherein the source data package is dynamically loaded by an XML file, and the data package with a specified format is output, comprising: The data is described by setting the scale in the form of a tree through the XML file, and the relevant attributes of the corresponding data packet fields are configured in each XML node, and the data packets in the specified format with the relevant attributes are output. 5. method as claimed in claim 4 is characterized in that, in each XML node, the relevant attribute of corresponding data packet field is configured, specifically: In each XML node, configure the corresponding field number, field name, number of bytes occupied, dependencies, and related attributes of field remarks. 6. A data packet reconstruction device, comprising: The extraction module is used to extract the changed part of the data representing the dynamic change in the source data packet; a configuration file generation module, used to encapsulate the changed part data into an editable configuration file; an interface generation module, configured to generate an editable interface of the data package according to the editable configuration file, wherein user data and editing content can be added in the editable interface; The reconstruction module is configured to perform verification calculation on the data content in the source data package according to the data content in the editable interface, and output a data package with a specified format. 7. The apparatus according to claim 6, wherein the configuration file generation module is specifically configured to encapsulate the changed part data into an extensible markup language XML file, and use the XML file as the configuration document. 8. The apparatus according to claim 7, wherein the reconstruction module is specifically configured to delay the data packet format of the hard-coded source data packet to the data packet generation stage; The generator is decoupled; based on the decoupling result, the source data package is dynamically loaded through an XML file, and a data package with a specified format is output. 9. The apparatus according to claim 8, wherein the reconstruction module is specifically configured to describe the data by setting a ratio in a tree-like form through an XML file, and configure a corresponding data packet field in each XML node , and output a packet of the specified format with the relevant attributes. 10. The apparatus according to claim 9, wherein the reconstruction module is specifically configured to configure the corresponding field number, field name, number of bytes occupied, dependency relationship, and field remarks in each XML node related properties.

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