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Method for remotely and instantly updating client based on MQTT protocol

A client and remote technology, applied in the direction of electrical components, transmission systems, etc., can solve the problems of inconvenient client application update and complicated update process of vehicle-mounted POS machines, and achieve the effects of saving network costs, realizing data monitoring, and improving efficiency

Pending Publication Date: 2021-06-18
智达信科技术股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention mainly solves the technical problems that the update process of the vehicle-mounted POS machine in the prior art is relatively complicated and the client application update is inconvenient. end update efficiency

Method used

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  • Method for remotely and instantly updating client based on MQTT protocol
  • Method for remotely and instantly updating client based on MQTT protocol

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Embodiment Construction

[0040] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only parts related to the present invention are shown in the drawings but not all content.

[0041] Such as figure 1 As shown, the method for remotely updating the client based on the MQTT protocol provided by the embodiment of the present invention includes the following process:

[0042] Step 100, the background server obtains the client update file uploaded by the administrator, and uploads the client update file to the FTP server; the background server sends an instru...

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Abstract

The invention relates to the technical field of system updating, and provides a method for remotely and instantly updating a client based on an MQTT protocol, which comprises the following steps: step 100, a background server obtains a client updating file uploaded by an administrator, and the background server sends an instruction for querying the client needing to be updated to the dbsql database according to the client updating file; step 200, the bsql database returns the client information needing to be updated to the background server; step 300, the background server forms a client list to be updated, then the background server sends the update push message to the MQTT server according to the client list to be updated; step 400, the MQTT server issues the update push message to the client to be updated; and step 500, the to-be-updated client obtains the client update file from the FTP server, and system update is carried out. According to the invention, the client can be remotely and instantly updated, and the updating efficiency of the client is improved.

Description

technical field [0001] The invention relates to the technical field of system update, in particular to a method for remote real-time update of a client based on the MQTT protocol. Background technique [0002] WebSphere MQ Telemetry Transport (MQTT) is an asynchronous message transport protocol, and WebSphere MQ Telemetry Transport (MQTT) is a lightweight broker-based publish / subscribe message transport protocol. [0003] The push service is essentially that the server actively sends messages and data to the client, rather than the client actively going to the server to request data. This kind of push only requires that after the client is connected to the server, if there is data, the server will immediately send the data to the client. The clients here can be of various types, such as common browsers, mobile applications, and so on. After the client receives the message, it will automatically download the update file in the received message, so as to achieve remote real-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
CPCH04L67/06H04L67/34
Inventor 孙宏飞钱贵涛张世强栾丰邹凤
Owner 智达信科技术股份有限公司
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