CN109309672B - Web-based space data real-time pushing multi-task scheduling method - Google Patents

Web-based space data real-time pushing multi-task scheduling method Download PDF

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CN109309672B
CN109309672B CN201811080559.4A CN201811080559A CN109309672B CN 109309672 B CN109309672 B CN 109309672B CN 201811080559 A CN201811080559 A CN 201811080559A CN 109309672 B CN109309672 B CN 109309672B
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data
server
push
task
pushing
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CN109309672A (en
Inventor
夏东风
王祥浩
靳志宾
王良佰
李小欢
张欢欢
吕占朋
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Hangzhou Haixing Zeke Information Technology Co ltd
Nanjing Haixing Power Grid Technology Co Ltd
Hangzhou Hexing Electrical Co Ltd
Ningbo Henglida Technology Co Ltd
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Hangzhou Haixing Zeke Information Technology Co ltd
Nanjing Haixing Power Grid Technology Co Ltd
Hangzhou Hexing Electrical Co Ltd
Ningbo Henglida Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
    • H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/52—Network services specially adapted for the location of the user terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/55—Push-based network services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources

Abstract

The invention discloses a space data real-time pushing multitask scheduling method based on Web, which comprises the following steps: (1) after login authentication of a client browser, establishing a WebSocket long-chain connection channel with a server, and sending a space data request parameter to the server; (2) the server side monitoring task monitors data in the space database, and after the changed data are monitored, the changed data are stored in the basic cache pool according to a specified storage strategy; (3) the server side schedules a data processing task at regular time, the data processing task fetches data from the basic cache pool, different data processing methods are called according to data request parameters, the processed data are stored in a push cache pool, and a push notification is sent to the data push task; (4) and the server data pushing task acquires data from the pushing cache pool, pushes the data to the client and waits for the changed data pushing notification again. The invention enhances the real-time performance of data and improves the refreshing efficiency of the client browser.

Description

Web-based space data real-time pushing multi-task scheduling method
Technical Field
The invention relates to the technical field of information pushing, in particular to a space data real-time pushing multi-task scheduling method based on Web.
Background
In the existing GIS platform of the power distribution network, the state and related data of power supply equipment need to be displayed in a client browser in real time, and the requirement on real-time performance is high. In the prior art, a client sends a data request to a server regularly based on an HTTP (hyper text transport protocol), and the method cannot well coordinate the request frequency and the frequency of real-time data generation, so that the transmission burden of a network is increased to a certain extent or real-time updated data cannot be acquired in time.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a space data real-time pushing multi-task scheduling method based on Web, which can meet the real-time requirement of data.
In order to solve the technical problem, the invention provides a space data real-time push multitask scheduling method based on Web, which comprises the following steps:
(1) after login authentication of a client browser, establishing a WebSocket long-chain connection channel with a server, and sending a space data request parameter to the server;
(2) the server side monitoring task monitors data in the space database, and after the changed data are monitored, the changed data are stored in the basic cache pool according to a specified storage strategy;
(3) the server side schedules a data processing task at regular time, the data processing task fetches data from the basic cache pool, different data processing methods are called according to data request parameters, the processed data are stored in a push cache pool, and a push notification is sent to the data push task;
(4) and the server data pushing task acquires data from the pushing cache pool, pushes the data to the client and waits for the changed data pushing notification again.
Preferably, in step (1), after the client and the server establish the WebSocket link and send the request parameter, the WebSocket server triggers the onOpen method when the link is opened, automatically triggers the onMessage method when receiving a message sent by the client, triggers the onClose method when the link is closed, and triggers the onError method when an error occurs in the sending process. The problems of data synchronization delay and resource consumption are solved.
Preferably, in the step (2), the storage policy is specifically specified as: the method comprises the steps of firstly analyzing change data of the power supply equipment, grouping and integrating according to technical parameters and operating parameters of the power supply equipment to obtain a change data set, creating a corresponding cache region in a cache pool according to a data model of the power supply equipment in the set, and storing the data in the cache region.
Preferably, in the step (3), invoking different data processing methods according to the data request parameter specifically includes: if the request parameter contains a coordinate attribute, converting the coordinate attribute into a geographic geometric object in a geographic spatial information data exchange format based on a JavaScript object representation method; if the request parameter contains the unique equipment code and the related layer attribute, requesting a WFS (Web element service) service of a Geographic Information System (GIS) to acquire geographic information to obtain a geographic geometric object; if the request parameter contains the unique equipment code and the data layer attribute or the geographic geometric attribute, geographic information does not need to be acquired; after the request data is processed by the method, the data comprises geographic geometric objects, data filtering is carried out according to the geographic range currently displayed by a GIS (geographic information system), and the data in the current geographic range is reserved.
Preferably, in step (4), the data pushing task fetches data of a fixed size from the pushing cache pool each time, pushes the data to the corresponding client, waits for the changed data pushing notification again, and refreshes the corresponding device state data according to the data index after the client receives the pushed data.
The invention has the beneficial effects that: compared with the traditional method, the realization of the space data real-time pushing multi-task scheduling method based on Web obviously reduces the burden and network load of a server, enhances the real-time performance of data and improves the refreshing efficiency of a client browser.
Drawings
Fig. 1 is a schematic diagram of the principle of the present invention.
FIG. 2 is a schematic flow chart of the method of the present invention.
Detailed Description
As shown in fig. 2, a method for real-time pushing and multitasking scheduling of spatial data based on Web includes the following steps:
(1) after login authentication of a client browser, establishing a WebSocket long-chain connection channel with a server, and sending a space data request parameter to the server;
(2) the server side monitoring task monitors data in the space database, and after the changed data are monitored, the changed data are stored in the basic cache pool according to a specified storage strategy;
(3) the server side schedules a data processing task at regular time, the data processing task fetches data from the basic cache pool, different data processing methods are called according to data request parameters, the processed data are stored in a push cache pool, and a push notification is sent to the data push task;
(4) and the server data pushing task acquires data from the pushing cache pool, pushes the data to the client and waits for the changed data pushing notification again.
In the step (1), after the client and the server establish the WebSocket link and send the request parameter, the WebSocket server triggers the onOpen method when the link is opened, automatically triggers the onMessage method when receiving a message sent by the client, triggers the onClose method when the link is closed, and triggers the oneerror method when an error occurs in the sending process. The problems of data synchronization delay and resource consumption are solved.
In the step (2), the specified storage policy specifically includes: the method comprises the steps of firstly analyzing change data of the power supply equipment, grouping and integrating according to technical parameters and operating parameters of the power supply equipment to obtain a change data set, creating a corresponding cache region in a cache pool according to a data model of the power supply equipment in the set, and storing the data in the cache region.
In the step (3), the invoking of different data processing methods according to the data request parameters specifically includes: if the request parameter contains a coordinate attribute, converting the coordinate attribute into a geographic geometric object in a geographic spatial information data exchange format based on a JavaScript object representation method; if the request parameter contains the unique equipment code and the related layer attribute, requesting a WFS (Web element service) service of a Geographic Information System (GIS) to acquire geographic information to obtain a geographic geometric object; if the request parameter contains the unique equipment code and the data layer attribute or the geographic geometric attribute, geographic information does not need to be acquired; after the request data is processed by the method, the data comprises geographic geometric objects, data filtering is carried out according to the geographic range currently displayed by a GIS (geographic information system), and the data in the current geographic range is reserved.
In the step (4), the data pushing task fetches data with a fixed size from the pushing cache pool each time, pushes the data to the corresponding client, waits for the changed data pushing notification again, and refreshes the corresponding equipment state data according to the data index after the client receives the pushed data.
As shown in fig. 1, the system consists of three parts: client, server and spatial database. The client and the server communicate by using WebSocket and can mutually transmit data, the client transmits data request parameters to the server, the server analyzes the parameters, monitors corresponding data in the spatial database, processes the changed data and actively pushes the changed data to the client, and therefore the purpose of updating the state of client equipment in real time is achieved.
The invention realizes the real-time data push multitask scheduling method based on the WebSocket, once the WebSocket link is successfully established, the server uninterruptedly acquires the change data information and actively pushes the change data information to the client, thereby not only meeting the real-time requirement of the client on the data, but also reducing the burden of the invalid data transmission on the network.

Claims (5)

1. A space data real-time push multitask scheduling method based on Web is characterized by comprising the following steps:
(1) after login authentication of a client browser, establishing a WebSocket long-chain connection channel with a server, and sending a space data request parameter to the server;
(2) the server side monitoring task monitors data in the space database, and after the changed data are monitored, the changed data are stored in the basic cache pool according to a specified storage strategy;
(3) the server side schedules a data processing task at regular time, the data processing task fetches data from the basic cache pool, different data processing methods are called according to data request parameters, the processed data are stored in a push cache pool, and a push notification is sent to the data push task;
(4) and the server data pushing task acquires data from the pushing cache pool, pushes the data to the client and waits for the changed data pushing notification again.
2. The Web-based space data real-time push multitask scheduling method as claimed in claim 1, wherein in step (1), after the client and the server establish a WebSocket link and send a request parameter, the WebSocket server triggers an onOpen method when the link is opened, automatically triggers an onMessage method when a message sent from the client is received, triggers an onClose method when the link is closed, and triggers an oneror method when an error occurs in the sending process.
3. The method for real-time push multitask scheduling of spatial data based on Web according to claim 1, characterized in that in step (2), the specified storage policy is specifically: analyzing the change data of the power supply equipment, grouping and integrating according to the technical parameters and the operating parameters of the power supply equipment to obtain a change data set, creating a corresponding cache region in a cache pool according to a data model of the power supply equipment in the set, and storing the data in the cache region.
4. The method for real-time pushing and multitask scheduling of spatial data based on Web according to claim 1, wherein in step (3), the invoking of different data processing methods according to the data request parameter specifically includes: if the request parameter contains a coordinate attribute, converting the coordinate attribute into a geographic geometric object in a geographic spatial information data exchange format based on a JavaScript object representation method; if the request parameters contain the unique equipment codes and the related layer attributes, requesting a WFS (Web browser service) of the GIS to acquire geographic information to obtain geographic geometric objects; if the request parameter contains the unique equipment code and the data layer attribute or the geographic geometric attribute, geographic information does not need to be acquired; after the request data are processed by the method, the data comprise geographic geometric objects, data filtering is carried out according to the geographic range currently displayed by the GIS, and the data in the current geographic range are reserved.
5. The method according to claim 1, wherein in step (4), the data push task fetches data of a fixed size from the push cache pool each time, pushes the data to the corresponding client, waits for a data push notification again, and after receiving the pushed data, the client refreshes the corresponding device status data according to the data index.
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CN109995854B (en) * 2019-03-15 2022-02-25 网宿科技股份有限公司 Scheduling method, scheduling device, electronic equipment and storage medium
CN110113362B (en) * 2019-05-29 2021-07-06 杭州海兴泽科信息技术有限公司 MQTT protocol-based message real-time pushing method
CN110807229B (en) * 2019-10-14 2023-11-10 许继集团有限公司 Data updating method and server for WEB wiring diagram of distribution network main station system
CN112511595B (en) * 2020-11-04 2022-03-04 华云数据控股集团有限公司 Message pushing method and message service system
CN112769757A (en) * 2020-12-21 2021-05-07 长沙树根互联技术有限公司 Data pushing method, device and system
CN113391833B (en) * 2021-06-16 2023-03-24 杭州爱华仪器有限公司 Remote upgrading system and method for measuring amplifier
CN113596117B (en) * 2021-07-14 2023-09-08 北京淇瑀信息科技有限公司 Real-time data processing method, system, equipment and medium
CN115103002A (en) * 2022-06-20 2022-09-23 中国银行股份有限公司 Data interaction method, device and system

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