Communication protocol analysis method based on character string type data

Abstract

The invention discloses a communication protocol analysis method based on character string type data. The method comprises the following steps: firstly, providing a communication protocol editing tool for a tester to record or import existing communication protocol information, storing the communication protocol information as an xml file in a specified format, when the tester receives the data of a tested file, automatically analyzing the currently data packets belongs to which protocol format and the values of protocol fields in the protocol format by a communication protocol analysis module so as to perform test judgment and processing in the test process. By adoption of the communication protocol analysis method, the received and sent data are automatically analyzed, identified and processed in a communication process. The typical application is Ethernet communication, serial communication and the like as an example.

Description

technical field [0001] The patent of the present invention relates to a general automatic analysis method of the I / O communication protocol based on the character string type, which can automatically analyze, identify and process the data sent and received during the communication process. Typical applications such as Ethernet communication, serial communication, etc. Background technique [0002] In the automated black-box testing of embedded software, many software under test communicate with the outside world based on the communication protocol of string-type data packets, and this often requires parsing the string-type data packets to solve each The specific value of the field; although for a software under test, its communication protocol is relatively fixed, you can write a decoding program in the test program according to the communication protocol provided by the software under test after receiving the data, but if a software under test Involving a variety of differ...

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Problems solved by technology

[0004] In view of the above-mentioned shortcomings existing at present, the present invention provides a communication protocol analysis method based on character string type data, which solves the problem of indefinite length of communication data packets on the one hand, and also solves the problem of automatically analyzing according to the communication protocol format on the other hand

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