Communication access method and device and storage medium
A communication access and communication identification technology, applied in the field of communication, can solve problems such as unstable operation of terminal products, generation of memory fragments, abnormal operation, etc., and achieve the effects of reducing the risk of memory exhaustion, stable operation and fast communication
Pending Publication Date: 2021-03-26
航天银山电气有限公司
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Problems solved by technology
The existing dynamic access method needs to apply for and release memory resources when a session is established or destroyed. This memory resource application and release operation will cause memory fragmentation, reduce the available continuous memory space, and affect the demand. The process runs in continuous memory space; on the other hand, when the client makes frequent connections, the server will run out of memory because the server has no time to release the memory resources, which will cause abnormal operation and lead to unstable operation of the terminal product
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[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0030] In the description of the present invention, the meaning of several means one or more, and the meaning of multiple means two or more than two. Greater than, less than, exceeding, etc. are understood as not including the original number, and above, below, within, etc. are understood as including the original number . If the description of the first and second is only for the purpose of distinguishing the technical features, it cannot be understood as indicating or implying the relative importance or implicitly indicating the number...
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The invention relates to the technical field of communication, and discloses a communication access method and device, and a storage medium, and the method comprises the steps: building a session poolwhich comprises a preset number of session objects; applying for an idle session object; receiving a client access request, and assigning a session identifier of the session object as a communicationidentifier of the client; and enabling the client to perform communication access based on a preset rule according to the communication identifier, wherein the preset rule comprises judgment of access legality of the client based on a first judgment loop body and a second judgment loop body. The invention at least has the following beneficial effects: under the conditions that memory resources are limited and the system does not support virtual storage, stable operation of the system and rapid and stable access of communication are realized.
Description
technical field [0001] The present invention relates to the field of communication technology, in particular to a communication access method and device, and a storage medium. Background technique [0002] The communication access method of the distribution network terminal based on the IEC104 protocol is generally a dynamic access method. The distribution network terminal is generally used as the IEC104 server, and the master station or debugging software is used as the IEC104 client to connect. When a client connects to the server, the server dynamically creates session resources, and at the same time applies for memory and other resources for the session; when the client is disconnected, the server destroys the session process and reclaims the corresponding resources. [0003] Distribution network terminals generally use embedded operating systems, do not support virtual storage technology, and have very limited memory resources. The existing dynamic access method needs ...
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IPC IPC(8): H04L29/08
CPCH04L67/14H04L67/1074
Inventor 王亮朱立华王杰
Owner 航天银山电气有限公司