CN103095810A - Multi-functional middleware recognizing system based on Web technology - Google Patents

Abstract

The invention discloses a multi-functional reading middleware system based on Web technology, including a Web service module responsible for realizing the function of a Web server; being responsible for processing operation requests from the Web service layer to realize maintenance and management of each functional module A function management module; a hardware driver module responsible for realizing the driving functions of each hardware module, completing the interactive communication with the hardware modules, and realizing the standardization and interface of the hardware module functions. The beneficial effects of the present invention are: different reading technologies can be flexibly combined, and the same set of business content can meet the application requirements of different reading technologies without repeated development; business application development only needs to care about the label information and label content, and does not need to Concerned about the specific type of reading technology adopted by the label; the use of standardized Web technology can bring great freedom, wide application range and low cost to application development.

Description

A Multifunctional Middleware System Based on Web Technology

technical field

The present invention relates to a middleware system, more specifically, it relates to a multifunctional reading middleware system based on WEB technology.

Background technique

The basis of the application of the Internet of Things is to identify objects. At present, the main identification methods are electronic tags RFID and barcode tags. These methods are being widely used in various fields and have broad application prospects.

Various industry applications of the Internet of Things have the characteristics of rich business forms, so there are different customization requirements in different industry applications, and some application scenarios require multiple reading technology support at the same time. However, most of the reading terminal systems currently on the market have problems such as single reading technology, limited support protocols, weak hardware expansion capabilities, long business customization development cycle, and narrow application range.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a loose coupling that realizes reading hardware modules, reading protocols, and business applications, so that it can be flexibly combined when facing the customization requirements of various Internet of Things industries. A multi-functional reading middleware system based on WEB technology that improves development efficiency and reduces development costs with a variety of reading technologies.

The purpose of the present invention is achieved through the following technical solutions. This multifunctional reading middleware system based on Web technology includes a Web service module responsible for realizing the functions of the Web server; a function management module responsible for processing operation requests from the Web service layer to realize the maintenance and management of each functional module ; A hardware driver module responsible for realizing the driver functions of each hardware module, completing the interactive communication with the hardware modules, and realizing the standardization and interface of the functions of the hardware modules.

Preferably, the Web service module includes: a network interface module, an HTTP connection management module, and an HTTP request processing module.

As preferred: the network interface module is responsible for monitoring the network service port and establishing a network connection; the HTTP connection management module is responsible for managing the established network connection, receiving HTTP request packets, and responsible for sending processed HTTP response packets; the HTTP request processing module Responsible for the actual request processing operation. If the access is a static resource file, including HTML, CSS, JS and other related static resource files, it will directly read the content of the file and send a response packet. If the access is not a static resource file, it will request the URI The information and data packet content are sent to the functional module management layer for processing, waiting for the processing result and sending the response data packet.

Preferably, the function management module includes: a general management module, a high-frequency RFID reading function module, an ultra-high frequency RFID reading function module, a one-dimensional barcode reading function module, and other function modules.

As a preference: the hardware driver module includes a high-frequency RFID reading driver module, an ultra-high frequency RFID reading driver module, a video acquisition driver module, and other functional module drivers; the general management module is mainly responsible for the management of all functional modules, including Realize various operations such as starting, closing, configuring, and accessing the module, responsible for parsing the URI information from the requested operation, judging the specific module and operation requested, and calling the corresponding function module to complete the specific operation processing; the high-frequency RFID reading function module By calling the interface provided by the lower-level high-frequency RFID reading driver module, the maintenance and management of the hardware module is realized, and different protocol types are encapsulated to complete basic operations such as scanning, reading, and writing of high-frequency RFID tags, and return Result information; the UHF RFID reading function module realizes the maintenance and management of the hardware module by calling the interface provided by the lower UHF RFID reading driver module, and encapsulates different protocol types to complete the scanning of UHF RFID tags , reading, writing and other basic operations, and return the result information; the one-dimensional barcode reading function module completes the real-time acquisition of video data by calling the interface provided by the lower-layer video acquisition driver module, and realizes the real-time acquisition of video data through image processing algorithms. One-dimensional and two-dimensional barcode labels of different protocol types are read and processed, and the result information is returned; other functional modules are responsible for introducing some other application functions into the middleware system, including GPS module, gyroscope module, and infrared acquisition module.

The beneficial effects of the present invention are: different reading technologies can be combined flexibly, and the same set of business content can meet the application requirements of different reading technologies without repeated development; business application development only needs to care about the label information and label content, and does not need Concerned about the specific type of reading technology adopted by the label; the use of standardized Web technology can bring great freedom, wide application range and low cost to application development.

Description of drawings

Fig. 1 is the realization frame diagram of the multifunctional reading middleware system;

Fig. 2 is an application block diagram of the multifunctional reading middleware system.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments. While the invention will be described in conjunction with the preferred embodiments, it will be understood that it is not intended to limit the invention to the described embodiments. On the contrary, the invention is to cover alternatives, modifications and equivalents, which may be included within the scope of the invention as defined by the appended claims.

As shown in Fig. 2, the present invention acts as a bridge between hardware modules and industry applications through a multifunctional reading middleware system, and realizes loose coupling between upper-layer applications and bottom-layer hardware. The underlying hardware module includes: high-frequency RFID read-write module, UHF RFID read-write module, video acquisition module and other functional modules; the upper-layer industry application part includes: business functions and application UI, where the application UI is implemented based on the Web framework library.

As shown in Figure 1, it is the implementation framework of the multi-functional reading middleware system. The implementation of the middleware system adopts a three-layer architecture, which is the Web service module, the function module management module, and the hardware driver module from top to bottom.

The Web service module includes a network interface module, an HTTP connection management module, and an HTTP request processing module, and is responsible for realizing the function of the Web server. The network interface module is responsible for monitoring the network service port and establishing a network connection. The HTTP connection management module is responsible for managing established network connections, receiving HTTP request packets, and sending processed HTTP response packets. The HTTP request processing module is responsible for the actual request processing operation. If the access is a static resource file (including HTML, CSS, JS and other related static resource files), it will directly read the content of the file and send a response packet; if the access is not a static resource The file sends the request URI information and data packet content to the function module management layer for processing, waits for the processing result and sends a response data packet.

Function module management layer includes function module management module, high frequency RFID reading function module, UHF RFID reading function module, 1-2D barcode reading function module, and other function modules, which are responsible for processing operation requests from the Web service layer and realizing Maintenance and management of each functional module. The function management module is mainly responsible for the management of all functional modules, including various operations such as starting, closing, configuring, and accessing the modules, and is responsible for parsing the URI information from the requested operation, judging the specific module and operation requested, and calling the corresponding The function module completes the specific operation processing. The high-frequency RFID reading function module realizes the maintenance and management of the hardware module by calling the interface provided by the lower-layer high-frequency RFID reading driver module, and encapsulates different protocol types to complete the scanning, reading and writing of high-frequency RFID tags Wait for the basic operation and return the result information. The UHF RFID reading function module realizes the maintenance and management of the hardware module by calling the interface provided by the lower UHF RFID reading driver module, and encapsulates different protocol types to complete the scanning and reading of UHF RFID tags , write and other basic operations, and return the result information. The one-dimensional barcode reading function module completes the real-time acquisition of video data by calling the interface provided by the lower-level video acquisition driver module, and realizes the reading processing of one-dimensional and two-dimensional barcode labels of different protocol types through image processing algorithms. And return the result information. Other functional modules are responsible for introducing some other application functions into the middleware system, including GPS module, gyroscope module, infrared acquisition module, etc., so as to meet some special needs.

The hardware driver module includes a high-frequency RFID reading driver module, an ultra-high frequency RFID reading driver module, a video acquisition driver module, and other function driver modules. It is responsible for realizing the driver functions of each hardware module and completing the interactive communication with the hardware modules. Realize the standardization and interface of hardware module functions.

Claims (5)

1. the multi-functional recognition middleware system based on the Web technology, is characterized in that: comprise be used to the Web service module of being responsible for realizing the Web server function; Be used for being responsible for processing from the function management module of Web service layer operation request realization to the maintenance and management of each functional module; Be used for being responsible for realizing the driving function of each hardware module, complete and hardware module between interactive communication, realize the standardization of hardware module function, the Hardware drive module of interface.

2. the multi-functional recognition middleware system based on the Web technology according to claim 1, it is characterized in that: described Web service module comprises: Network Interface Module, HTTP connection management module, HTTP request processing module.

3. the multi-functional recognition middleware system based on the Web technology according to claim 2, it is characterized in that: described Network Interface Module is responsible for monitoring network service port, sets up network and connects; The network that HTTP connection management module is in charge of foundation connects, and receives the HTTP request data package, and the http response packet after responsible transmission processing; The HTTP request processing module is responsible for actual request and is processed operation, if access is the static resource file, comprise HTML, CSS, JS and other relevant static resource files, direct file reading content and send response data packet, if access is not that the static resource file will ask URI information and packet content to send to the managing functional module layer to process, waits for result and send response data packet.

4. the multi-functional recognition middleware system based on the Web technology according to claim 1, it is characterized in that: described function management module comprises: Total Management Module, high-frequency RF ID recognition functional module, ultrahigh frequency RFID recognition functional module and two-dimensional bar code recognition functional module and other functional modules.

5. the multi-functional recognition middleware system based on the Web technology according to claim 4 is characterized in that: described Hardware drive module comprises that high-frequency RF ID recognition driver module, ultrahigh frequency RFID recognition driver module, video acquisition driver module, other functional modules drive; Total Management Module mainly is responsible for the management to all functions module, comprising realize to module startup, close, configure, the various operations such as access, be responsible for resolving the URI information from solicit operation, concrete module and the operation of judgement request, and call the corresponding function module and complete the concrete operations processing; The interface that high-frequency RF ID recognition functional module provides by the high-frequency RF ID recognition driver module that calls lower floor, the maintenance and management of realization to hardware module, encapsulate the different agreement type and completed scanning to high-frequency RF ID label, read, write etc. basic operation, and returned results information; The interface that ultrahigh frequency RFID recognition functional module provides by the ultrahigh frequency RFID recognition driver module that calls lower floor, the maintenance and management of realization to hardware module, encapsulate the different agreement type and completed scanning to ultra-high frequency RFID label, read, write etc. basic operation, and returned results information; The interface that one two-dimensional bar code recognition functional module provides by the video acquisition driver module that calls lower floor, complete the Real-time Collection to video data, realize that by image processing algorithm one dimension, two-dimensional bar code label to the different agreement type distinguish processing, and return results information; Other functional modules are responsible for some other application functions are introduced middleware platform, comprising GPS module, gyro module and infrared collecting module.

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