CN116708580A - Power plant intranet access method, equipment and medium based on network isolation device - Google Patents

Power plant intranet access method, equipment and medium based on network isolation device Download PDF

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Publication number
CN116708580A
CN116708580A CN202310988920.8A CN202310988920A CN116708580A CN 116708580 A CN116708580 A CN 116708580A CN 202310988920 A CN202310988920 A CN 202310988920A CN 116708580 A CN116708580 A CN 116708580A
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China
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preset
data
power plant
intranet
static resources
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CN116708580B (en
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刘畅
喻小斌
汤卫东
肖小刚
于宏文
肖大军
于文娟
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Wuhan Huaruishi Intelligent Technology Co ltd
Central China Grid Co Ltd
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Wuhan Huaruishi Intelligent Technology Co ltd
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0209—Architectural arrangements, e.g. perimeter networks or demilitarized zones
    • 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
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • 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
    • H04L67/56—Provisioning of proxy services
    • H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The application discloses a power plant intranet access method, equipment and medium based on a network isolation device, wherein the method comprises the following steps: storing target static resources in a power plant business system in a local storage space of a front-end service module; when an intranet access request is received, if response data of the intranet access request is stored in a target static resource of a local storage space; and feeding back response data of the intranet access request to the user side sending the intranet access request. According to the embodiment of the application, the target static resources in the intranet are stored in the front-end service module, and when the intranet access request is received, the corresponding response data can be directly obtained in the front-end service module without requesting the data from the intranet through the network isolation device, so that the communication times between the inside and outside of the power plant are reduced, the data processing pressure of the network isolation device is reduced, the occurrence of data blocking is avoided, and the communication efficiency between the inside and outside of the power plant is improved.

Description

Power plant intranet access method, equipment and medium based on network isolation device
Technical Field
The application relates to the technical field of power plant communication, in particular to a power plant intranet access method, equipment and medium based on a network isolation device.
Background
In the power industry, each power plant is in an external network environment, and a power plant business system is in an internal network environment so as to ensure the safety of power plant business data in the internal network. The safety communication between the power plant and the external network is generally realized through a network isolation device, and the network isolation device can send an intranet access request to the intranet and send the power plant business data of the intranet to the external network.
When communication between the power plant internal and external networks is frequent, the situation of data blockage is easy to occur due to the limited data processing capacity of the network isolation device, so that the communication efficiency between the power plant internal and external networks is lower.
Disclosure of Invention
The embodiment of the application provides a method, equipment and medium for accessing an intranet in a power plant based on a network isolation device, aiming at improving the communication efficiency between the intranet and the extranet in the power plant.
In one aspect, the application provides a power plant intranet access method based on a network isolation device, wherein the network isolation device is respectively communicated with a front service module and a rear service module, the front service module is communicated with an external network where a power plant is located, the rear service module is communicated with an intranet where a power plant business system is located, the network isolation device is used for carrying out data transmission between the front service module and the rear service module, and the method is applied to the front service module and comprises the following steps:
Acquiring a plurality of target static resources in a power plant business system, wherein the power plant business system comprises a plurality of preset pages of power plant business, and the preset pages comprise the target static resources;
storing the plurality of target static resources in a local storage space of a front-end service module;
when an intranet access request sent by a user side in an external network is received, detecting whether static resources in a page to be accessed by the intranet access request exist in a plurality of target static resources in a local storage space;
if the static resources in the pages to be accessed by the intranet access request exist, the static resources in the pages to be accessed by the intranet access request in the local storage space are used as response data of the intranet access request;
if the static resources in the page to be accessed by the intranet access request do not exist, the intranet access request is sent to an intranet through the network isolation device so as to acquire response data of the intranet access request;
and feeding back the response data of the intranet access request to a user side sending the intranet access request.
In some embodiments, the step of obtaining a plurality of target static resources in the power plant business system comprises:
Acquiring preset static resources in each preset page in a power plant business system;
determining the accessed frequency of each preset static resource;
and determining the target static resources from the preset static resources based on the accessed frequency of each preset static resource.
In some embodiments, the step of determining the plurality of target static resources from the plurality of preset static resources based on the accessed frequency of each preset static resource includes:
acquiring user grades of external network users accessing each preset static resource in a preset historical time period;
correcting the accessed frequency of the corresponding preset static resource based on the user grade to obtain corrected accessed frequency;
and determining the target static resources from the preset static resources based on the corrected accessed frequency.
In some embodiments, the step of determining the plurality of target static resources from a plurality of preset static resources based on the modified accessed frequency includes:
acquiring a preset storage capacity for storing a target static resource in a front-end service module;
acquiring the occupied storage capacity of each preset static resource;
according to the corrected accessed frequency, sequencing the plurality of preset static resources from large to small to obtain a first ranking of the plurality of preset static resources;
And determining the plurality of target static resources in the first ranking, wherein the sum of occupied storage capacity of the plurality of target static resources is smaller than a preset storage capacity.
In some embodiments, the step of detecting whether there are static resources in the page that the intranet access request needs to access in the plurality of target static resources in the local storage space includes:
sequencing a plurality of target static resources from large to small according to the accessed frequency of each target static resource to obtain a second ranking;
and according to the second ranking, determining whether each target static resource is a static resource in a page which is required to be accessed by the intranet access request in sequence, so as to determine whether the static resource in the page which is required to be accessed by the intranet access request exists.
In some embodiments, the method further comprises:
acquiring the maximum value of data transmission pressure of the network isolation device in a preset historical time period;
and executing the step of acquiring a plurality of target static resources in the power plant business system when the maximum data transmission pressure is greater than a preset threshold.
In some embodiments, the step of obtaining the maximum value of the data transmission pressure of the network isolation device in a preset historical period includes:
Acquiring a first historical data set to be transmitted to an intranet in a front-end service module and a second historical data set to be transmitted to an extranet in a rear-end service module at each historical moment in a preset historical time period;
determining data transmission pressure values of the network isolation device at each historical moment based on a first historical data set and a second historical data set;
and determining the maximum value of the data transmission pressure in the data transmission pressure values of the network isolation device at each historical moment.
In some embodiments, the network isolation device includes a first data channel and a second data channel, the first data channel is used for unidirectional data transmission from the front service module to the rear service module, the second data channel is used for unidirectional data transmission from the rear service module to the front service module, and the step of determining the data transmission pressure value of the network isolation device at each historical moment based on the first historical data set and the second historical data set includes:
determining a first data transmission pressure value of a first data channel at each historical moment based on a first historical data set;
Determining a second data transmission pressure value of a second data channel at each of the historical moments based on a second set of historical data;
and taking the sum of the first data transmission pressure value and the second data transmission pressure value at the same historical moment as the data transmission pressure value of the network isolation device at the historical moment.
On the other hand, the embodiment of the application provides a power plant intranet access device based on a network isolation device, the network isolation device is respectively communicated with a front service module and a rear service module, the front service module is communicated with an external network where a power plant is located, the rear service module is communicated with an intranet where a power plant business system is located, the network isolation device is used for carrying out data transmission between the front service module and the rear service module, the front service module comprises the power plant intranet access device based on the network isolation device, and the power plant intranet access device based on the network isolation device comprises:
the power plant business system comprises a plurality of preset pages of power plant businesses, wherein the preset pages comprise target static resources;
the storage module is used for storing the plurality of target static resources in a local storage space of the front-end service module;
The detection module is used for detecting whether static resources in a page to be accessed by the intranet access request exist in a plurality of target static resources in a local storage space when the intranet access request sent by a user side in an external network is received;
the detection module is further used for taking the static resources in the pages which are required to be accessed by the intranet access request in the local storage space as response data of the intranet access request if the static resources in the pages which are required to be accessed by the intranet access request exist;
the detection module is further used for sending the intranet access request to the intranet through the network isolation device if the static resources in the page to be accessed by the intranet access request do not exist, so as to acquire response data of the intranet access request;
and the response module is used for feeding back the response data of the intranet access request to the user side which sends the intranet access request.
In another aspect, the present application also provides a computer apparatus, including:
one or more processors;
a memory; and
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the processor to implement the steps in any of the network isolation device based power plant intranet access methods.
In another aspect, the present application further provides a computer readable storage medium having stored thereon a computer program, the computer program being loaded by a processor to perform the steps in any of the network isolation device based power plant intranet access methods.
The power plant intranet access method, equipment and medium based on the network isolation device provided by the embodiment of the application comprise the following steps: acquiring a plurality of target static resources in a power plant business system, wherein the power plant business system comprises a plurality of preset pages of power plant business, and the preset pages comprise the target static resources; storing a plurality of target static resources in a local storage space of a front-end service module; when an intranet access request sent by a user side in an external network is received, detecting whether static resources in a page to be accessed by the intranet access request exist in a plurality of target static resources in a local storage space; if the static resources in the pages to be accessed by the intranet access request exist, the static resources in the pages to be accessed by the intranet access request in the local storage space are used as response data of the intranet access request; if the static resources in the page to be accessed by the intranet access request do not exist, the intranet access request is sent to the intranet through the network isolation device so as to acquire response data of the intranet access request; and feeding back response data of the intranet access request to the user side sending the intranet access request. According to the embodiment of the application, the target static resources in the intranet are stored in the front-end service module, and when the intranet access request is received, the corresponding response data can be directly obtained in the front-end service module without requesting the data from the intranet through the network isolation device, so that the communication times between the inside and outside of the power plant are reduced, the data processing pressure of the network isolation device is reduced, the occurrence of data blocking is avoided, and the communication efficiency between the inside and outside of the power plant is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of an embodiment of a method for accessing an intranet in a power plant based on a network isolation device according to an embodiment of the present application;
FIG. 2 is a flowchart of another embodiment of a method for accessing an intranet in a power plant based on a network isolation device according to an embodiment of the present application;
FIG. 3 is a flowchart of a method for accessing an intranet in a power plant based on a network isolation device according to another embodiment of the present application;
FIG. 4 is a flowchart of another embodiment of a method for accessing an intranet in a power plant based on a network isolation device according to an embodiment of the present application;
FIG. 5 is a schematic structural diagram of an embodiment of a network access device for a power plant based on a network isolation device according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a terminal structure of an embodiment of a computer device provided in an embodiment of the present application;
Fig. 7 is a schematic diagram of a communication relationship between an internal network and an external network of a power plant according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, the term "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described as "exemplary" in this disclosure is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes have not been described in detail so as not to obscure the description of the application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
It should be noted that, because the method of the embodiment of the present application is executed in the computer device, the processing objects of each computer device exist in the form of data or information, for example, time, which is essentially time information, it can be understood that in the subsequent embodiment, if the size, the number, the position, etc. are all corresponding data, so that the computer device can process the data, which is not described herein in detail.
The embodiment of the application provides a power plant intranet access method, equipment and medium based on a network isolation device, and the method, the equipment and the medium are respectively described in detail below.
As shown in fig. 7, the network isolation device includes a first data channel and a second data channel, where the first data channel and the second data channel are respectively communicated with a front service module and a rear service module, the front service module is communicated with an external network where a power plant is located, the rear service module is communicated with an internal network where a production control area of the power plant is located, and a power plant service system is arranged in the production control area and is used for managing various services of each power plant, and power plant service data is stored in the power plant service system. The network isolation device is used for carrying out data transmission between the front service module and the rear service module, wherein the first data channel is used for unidirectionally transmitting data from the front service module to the rear service module, and the second data channel is used for unidirectionally transmitting data from the rear service module to the front service module.
The production control large area refers to a safe area formed by a power monitoring system with data acquisition and control functions and longitudinally connected by a special network or a special channel. The power plant may be a hydroelectric power plant, a thermal power plant, a photovoltaic power plant, etc.
The front-end service module generally comprises a front-end server, and is used for receiving intranet access requests sent by all user terminals in an external network, caching the intranet access requests as first data to be transmitted to the intranet, receiving second data sent by a second data channel, and forwarding the second data to corresponding user terminals in the external network, wherein the front-end service module comprises a power plant intranet access device based on a network isolation device. The post-service module generally comprises a post-server, and is used for receiving data sent by each user terminal in the intranet, caching the data as second data to be transmitted to the external network, receiving first data sent by the first data channel, and forwarding the first data to a corresponding user terminal in the intranet.
The first data channel only allows data to be transmitted unidirectionally from the front-end service module to the rear-end service module, and the second data channel only allows data to be transmitted unidirectionally from the rear-end service module to the front-end service module, so that the isolation function of the network isolation device is realized.
Referring to fig. 1, in an embodiment, a method for accessing a power plant intranet based on a network isolation device includes:
101. Acquiring a plurality of target static resources in a power plant business system, wherein the power plant business system comprises a plurality of preset pages of power plant business, and the preset pages comprise the target static resources;
in this embodiment, the static resource refers to a resource published by using static web page development technology (HTML, CSS (Cascading Style Sheets, cascading style sheet), javaScript), and is generally a page that can be displayed directly without checking a database or processing a program. Dynamic resources refer to resources released by using a dynamic web page development technology (jsp/servlet, php, asp.) and generally require program processing or data reading from a database, and pages of different data can be displayed according to different conditions. The power plant business system comprises a plurality of preset pages for realizing power plant business, and the plurality of preset pages comprise a first page and further each functional page of the power plant business system. Since not all pages are pages of static resources, the target static resources are included in at least one preset page.
101. Storing the plurality of target static resources in a local storage space of a front-end service module;
in this embodiment, a plurality of target static resources are obtained from the power plant business system and stored in the local storage space of the front-end service module for subsequent use.
102. When an intranet access request sent by a user side in an external network is received, detecting whether static resources in a page to be accessed by the intranet access request exist in a plurality of target static resources in a local storage space;
in this embodiment, a power plant employee may trigger an intranet access request through each user side in the external network to access the intranet, and implement services such as power plant fault reporting, power plant power generation reporting, and power plant business reporting by accessing the intranet. When an intranet access request sent by a user side in an external network is received, a request resource identifier in the intranet access request and a resource identifier of each target static resource stored in a local storage space of a front-end service module can be obtained. If the resource identification which is the same as the request resource identification exists in the resource identifications of the target static resources, judging that the static resources in the page which needs to be accessed by the intranet access request exist. If the resource identification of the target static resources does not exist, judging that the resources in the pages which are required to be accessed by the intranet access request do not exist, wherein the pages which are required to be accessed by the intranet access request are dynamic resources or other static resources except for the target static resources stored in the local storage space of the front-end service module.
It should be noted that, in order to ensure the safety of the power plant business data in the intranet, the dynamic resource generally needs to be processed by a program in the intranet or read data from a database in the intranet to avoid the leakage of the power plant business data. The static resources do not need program processing in the intranet and data are also required to be read from a database in the intranet, so that the target static resources are stored in a local storage space of the front-end service module, and the safety of power plant business data is not affected.
103. If the static resources in the pages to be accessed by the intranet access request exist, the static resources in the pages to be accessed by the intranet access request in the local storage space are used as response data of the intranet access request;
in this embodiment, if there are static resources in the page that the intranet access request needs to access in the local storage space of the front-end service module, the intranet access request is not required to be sent to the intranet through the network isolation device, so that the target static resources with the same resource identifier as the request resource identifier are used as the static resources in the page that the intranet access request needs to access, that is, the response data of the intranet access request.
104. If the static resources in the page to be accessed by the intranet access request do not exist, the intranet access request is sent to an intranet through the network isolation device so as to acquire response data of the intranet access request;
in this embodiment, if there is no static resource in the page that needs to be accessed by the intranet access request in the local storage space of the front-end service module, the intranet access request needs to be sent to the intranet through the network isolation device, so that a power plant service system in the intranet responds to the intranet access request, and response data is transmitted to the front-end service module through the network isolation device. It can be seen that the network isolation device in step 103 reduces the data transmission at least twice compared to step 104, and thus the data processing pressure of the network isolation device is smaller.
105. And feeding back the response data of the intranet access request to a user side sending the intranet access request.
In this embodiment, after obtaining the response data of the intranet access request, the response data of the intranet access request is fed back to the user side that sends the intranet access request, so as to implement the response to the intranet access request.
In the technical scheme disclosed by the embodiment, the target static resources in the intranet are stored in the front-end service module, and when an intranet access request is received, corresponding response data can be directly obtained in the front-end service module without requesting the intranet for data through the network isolation device, so that the communication times between the intranet and the extranet in the power plant are reduced, the data processing pressure of the network isolation device is reduced, the occurrence of data blocking is avoided, and the communication efficiency between the intranet and the extranet in the power plant is improved.
In another embodiment, as shown in fig. 2, on the basis of the embodiment shown in fig. 1, 101 includes:
201. acquiring preset static resources in each preset page in a power plant business system;
in this embodiment, since the static resources generally include data including JavaScript, CSS and pictures, and the data contents of JS, CSS and pictures are more, so that the space occupied by these static resources is larger, so in order to avoid that the static resources occupy too much space in the local storage space of the front service module, a plurality of preset static resources in the power plant service system can be screened to obtain a plurality of target static resources. Because each preset page in the power plant business system is designed in advance, the static resources in the preset page are also fixed, namely the preset page comprises preset static resources.
202. Determining the accessed frequency of each preset static resource;
in this embodiment, in order to make the usage rate of the screened target static resources higher, the number of times that each preset static resource is accessed by the user side of the external network in the preset history period may be counted. Dividing the number of times that each preset static resource is accessed by the user side of the external network in the preset historical time period by the duration of the preset historical time period to obtain the accessed frequency of each preset static resource.
203. And determining the target static resources from the preset static resources based on the accessed frequency of each preset static resource.
In some embodiments, the preset static resources with the accessed frequency being greater than the preset frequency can be used as target static resources. Of course, the plurality of preset static resources can be sequenced from large to small according to the accessed frequency, so as to obtain a third ranking, and the preset static resources with the preset number, which are ranked at the top in the third ranking, are used as target static resources.
In some embodiments, determining a plurality of target static resources from a plurality of preset static resources based on the accessed frequency of each preset static resource may include: acquiring user grades of external network users accessing each preset static resource in a preset historical time period; based on the user grade, revising the accessed frequency of the corresponding preset static resource to obtain revised accessed frequency; and determining a plurality of target static resources from a plurality of preset static resources based on the corrected accessed frequency. The user grade can be the power generation scale grade of the power plant to which the user belongs, and the power generation scale grade can be 1, 2, 3 and other grades. The user terminal where the user is located logs in with user identity information, and the user identity information comprises the power generation scale grade of the power plant to which the user belongs so as to determine the user grade based on the user identity information.
In some embodiments, modifying the accessed frequency of the corresponding preset static resource based on the user level, to obtain the modified accessed frequency may include: based on the user grade, obtaining the average user grade of a plurality of user terminals of the external network accessing the preset static resource in the preset historical time period, and taking the product of the average user grade and the accessed frequency of the preset static resource as the corrected accessed frequency. In this way, when the average user level is higher, the modified accessed frequency is higher, so that the accessed frequency of the corresponding preset static resource can be modified based on the user level, and the preset static resource frequently accessed by the user with higher user level can be more likely to be used as the target static resource. Compared with the response data request from the intranet, the response speed is faster when the target static resources in the local storage space of the front-end service module are directly fed back to the user side as the response data, so that the response speed of the user with higher user level when accessing the intranet can be improved.
In some embodiments, determining a plurality of target static resources from a plurality of preset static resources based on the modified accessed frequency may include: and taking the corrected preset static resources with the accessed frequency larger than the preset frequency as target static resources. Of course, the plurality of preset static resources can be sequenced from large to small according to the corrected accessed frequency to obtain a fourth ranking, and the preset static resources with the preset number which are ranked at the front in the fourth ranking are used as target static resources.
In some embodiments, the step of detecting whether there is a static resource in a page that the intranet access request needs to access, from among a plurality of target static resources in the local storage space, includes: sequencing a plurality of target static resources from large to small according to the accessed frequency of each target static resource to obtain a second ranking; according to the second ranking, whether each target static resource is a static resource in a page which is required to be accessed by the intranet access request is sequentially determined, namely, whether the first target static resource in the second ranking is a static resource in the page which is required to be accessed by the intranet access request is detected firstly, if not, whether the second target static resource in the second ranking is a static resource in the page which is required to be accessed by the intranet access request is detected, if not, whether the third target static resource in the second ranking is a static resource in the page which is required to be accessed by the intranet access request is detected. Therefore, the higher frequency of the accessed target static resources in the second ranking can more quickly find out the static resources in the page to be accessed by the intranet access request from the plurality of target static resources, and the response speed of the user when accessing the intranet is further improved.
In the technical scheme disclosed in the embodiment, preset static resources in each preset page in the power plant service system are acquired, and a plurality of target static resources are determined in a plurality of preset static resources based on the accessed frequency of each preset static resource, so that the static resources are prevented from occupying excessive space in the local storage space of the front-end service module.
In still another embodiment, as shown in fig. 3, based on the embodiment shown in fig. 2, the step of determining a plurality of target static resources from a plurality of preset static resources based on the corrected accessed frequency includes:
301. acquiring a preset storage capacity for storing a target static resource in a front-end service module;
in some embodiments, the preset storage capacity is: and in the local storage space of the front-end service module, the preset maximum storage capacity for storing the plurality of target static resources is used for avoiding the plurality of target static resources from occupying excessive space in the local storage space of the front-end service module.
302. Acquiring the occupied storage capacity of each preset static resource;
in this embodiment, the occupied storage capacity of the static resource, that is, the data size of the static resource is preset.
303. According to the corrected accessed frequency, sequencing the plurality of preset static resources from large to small to obtain a first ranking of the plurality of preset static resources;
304. and determining the plurality of target static resources in the first ranking, wherein the sum of occupied storage capacity of the plurality of target static resources is smaller than a preset storage capacity.
In this embodiment, it is detected whether the occupied storage capacity of the first preset static resource in the first rank is greater than the preset storage capacity, and if so, the first preset static resource is used as the target static resource. Then detecting whether the sum of the occupied storage capacities of the first preset static resource and the second preset static resource in the first rank is larger than the preset storage capacity, if so, taking the second preset static resource as a target static resource, and then detecting the third preset static resource in the first rank. If the sum of the occupied storage capacities of the first and the second preset static resources in the first rank is larger than or equal to the preset storage capacity, the second preset static resource is not used as the target static resource, and the determination of the target static resource is stopped, so that the sum of the occupied storage capacities of the plurality of target static resources is smaller than the preset storage capacity.
In the technical scheme disclosed in the embodiment, when a plurality of target static resources are determined in a plurality of preset static resources, the plurality of target static resources are prevented from occupying excessive space in the local storage space of the front-end service module based on the limitation of the storage capacity for storing the target static resources in the front-end service module.
In yet another embodiment, as shown in fig. 4, on the basis of the embodiment shown in any one of fig. 1 to 3, the method for accessing an intranet in a power plant based on a network isolation device further includes:
401. acquiring the maximum value of data transmission pressure of the network isolation device in a preset historical time period;
in this embodiment, since the data processing capability of the network isolation device is limited, it is easy to cause data blocking in the front service module or the rear service module, and thus it is possible to determine whether the data blocking is easy to occur based on the maximum value of the data transmission pressure of the network isolation device in the preset history period.
In some embodiments, obtaining the data transmission pressure maximum value of the network isolation device in the preset historical time period may include: acquiring a first historical data set to be transmitted to an intranet in a front-end service module and a second historical data set to be transmitted to an extranet in a rear-end service module at each historical moment in a preset historical time period; determining data transmission pressure values of the network isolation device at each historical moment based on the first historical data set and the second historical data set; and determining the maximum value of the data transmission pressure in the data transmission pressure values of the network isolation device at each historical moment. It can be understood that, because the network isolation device is used for data transmission between the front service module and the rear service module, the first historical data set to be transmitted to the intranet in the front service module and the second historical data set to be transmitted to the extranet in the rear service module can cause data transmission pressure to the network isolation device. Wherein the first set of historical data at a single historical moment is: the set of a plurality of first data to be transmitted to the intranet in the history time prepositive service module, and the second history data set at a single history time is: and a plurality of sets of second data to be transmitted to the external network in the post-service module at the historical moment.
In some embodiments, determining the maximum data transmission pressure value among the data transmission pressure values of the network isolation device at each historical time may include: and taking the maximum value of the data transmission pressure values of the network isolation device at a plurality of historical moments as the maximum value of the data transmission pressure.
In some embodiments, determining the data transmission pressure value of the network isolation device at each historical time based on the first set of historical data and the second set of historical data may include: determining a first data transmission pressure value of the first data channel at each historical moment based on the first historical data set; determining a second data transmission pressure value of the second data channel at each historical moment based on the second set of historical data; and taking the sum of the first data transmission pressure value and the second data transmission pressure value at the same historical moment as the data transmission pressure value of the network isolation device at the historical moment.
In some embodiments, determining a first data transmission pressure value for the first data channel at a single historical time based on the first set of historical data may include: determining first data importance of each first data in a first historical data set at a historical moment, first cached duration of each first data in a front-end service module at the historical moment and first data number contained in the first data set at the historical moment; and determining a first data transmission pressure value of the first data channel at the historical moment based on the first data importance, the first cached duration and the first data number. Wherein determining the first data importance of each first data in the first historical data set may include: acquiring a network address of a user side for transmitting each first data; acquiring a preset network address set, wherein each network address in the network address set is a network address of equipment in a power plant, the equipment in the power plant refers to each user side in the power plant, each user side in the power plant has a corresponding network address, and the preset network address set is obtained by counting the network addresses of the equipment in each power plant in a public network in advance; when the network address of the user side transmitting the first data is in the network address set, the first preset value is used as the first data importance of the first data, and when the network address of the user side transmitting the first data is not in the network address set, the second preset value is used as the first data importance of the first data, wherein the first preset value is larger than the second preset value. The step of determining a first data transmission pressure value of the first data channel at the historical moment based on the first data importance, the first cached duration, and the first number of data pieces may include: determining a target power plant to which user identity information of a user terminal sending each first data belongs; determining the power generation scale level of the target power plant; calculating the sum of the first data importance of all the first data in the target power plant, calculating the sum of the first cached duration of all the first data in the target power plant, and taking the sum of the first data importance and the sum of the first cached duration as the data score of the target power plant; taking the product of the data score of the target power plant and the power generation scale level as the data comprehensive score of the target power plant; and calculating the sum of the data comprehensive scores of all the target power plants, and multiplying the sum by the first data number to obtain a first data transmission pressure value of the first data channel at the historical moment.
In some embodiments, determining a second data transfer pressure value for the second data channel at a single historical time based on the second set of historical data may include: determining the data type of each second data in the second data set at the historical moment, the second cached time of each second data in the front-end service module and the second data strip number contained in the second data set, wherein the data type comprises response data of an external network request and active push data; and determining a second data transmission pressure value of the second data channel at the historical moment based on the second data bar number, the second cached time length and the data type, wherein the second data transmission pressure value of the data type when the data type is response data of an external network request is larger than the second data transmission pressure value of the data type when the data type is active push data. Based on the second number of data stripes, the second buffered time period, and the data type, determining a second data transmission pressure value for the second data channel at the historical time may include: determining second data importance corresponding to the data type of each second data in the second data set, wherein the second data importance when the data type is the response data of the external network request is larger than the second data importance when the data type is the response data of the active push data, and the second data importance when the data type is the response data of the active push data is larger than the first data importance of any one of the first historical data sets; calculating the sum of second data importance of all second data in the second data set, calculating the sum of second cached duration of all second data in the second data set, multiplying the sum value of the sum of the second data importance and the sum of the second cached duration by the second data number to obtain a second data transmission pressure value of the second data channel at the historical moment.
402. And executing the step of acquiring a plurality of target static resources in the power plant business system when the maximum data transmission pressure is greater than a preset threshold.
In the present embodiment, when the maximum value of the data transmission pressure is greater than the preset threshold value, it is determined that data congestion is likely to occur due to the limited data processing capability of the network isolation device, and thus step 101 is performed.
In the technical scheme disclosed in the embodiment, the maximum value of the data transmission pressure of the network isolation device in the preset historical time period is calculated to determine whether data blockage occurs easily, and the data processing pressure of the network isolation device is reduced for the condition that the data blockage occurs easily so as to avoid the occurrence of the condition of the data blockage.
In order to better implement the method for accessing the power plant intranet based on the network isolation device in the embodiment of the present application, on the basis of the method for accessing the power plant intranet based on the network isolation device, the embodiment of the present application further provides a device for accessing the power plant intranet based on the network isolation device, as shown in fig. 5, a device 500 for accessing the power plant intranet based on the network isolation device includes an obtaining module 501, a storage module 502, a detection module 503 and a response module 504, which are specifically as follows:
The obtaining module 501 is configured to obtain a plurality of target static resources in a power plant business system, where the power plant business system includes a plurality of preset pages of a power plant business, and the preset pages include the target static resources;
the storage module 502 is configured to store a plurality of target static resources in a local storage space of the front-end service module;
the detection module 503 is configured to detect, when an intranet access request sent by a user side in an external network is received, whether there is a static resource in a page that needs to be accessed by the intranet access request in a plurality of target static resources in a local storage space;
the detection module 503 is further configured to, if there is a static resource in the page that needs to be accessed by the intranet access request, use the static resource in the page that needs to be accessed by the intranet access request in the local storage space as response data of the intranet access request;
the detection module 503 is further configured to send the intranet access request to the intranet through the network isolation device if there is no static resource in the page that the intranet access request needs to access, so as to obtain response data of the intranet access request;
and the response module 504 is configured to feed back response data of the intranet access request to the user side that sends the intranet access request.
According to the power plant intranet access device based on the network isolation device, the target static resources in the intranet are stored in the front-end service module, when an intranet access request is received, corresponding response data can be directly obtained in the front-end service module, the network isolation device is not required to request the intranet for data, the communication times between the power plant intranet and the power plant intranet are reduced, the data processing pressure of the network isolation device is reduced, the occurrence of data blocking is avoided, and the communication efficiency between the power plant intranet and the power plant intranet is improved.
In some embodiments of the present application, the acquisition module 501 is specifically configured to:
acquiring preset static resources in each preset page in a power plant business system;
determining the accessed frequency of each preset static resource;
and determining a plurality of target static resources from the plurality of preset static resources based on the accessed frequency of each preset static resource.
In some embodiments of the present application, the acquisition module 501 is further configured to:
acquiring user grades of external network users accessing each preset static resource in a preset historical time period;
based on the user grade, revising the accessed frequency of the corresponding preset static resource to obtain revised accessed frequency;
And determining a plurality of target static resources from a plurality of preset static resources based on the corrected accessed frequency.
In some embodiments of the present application, the acquisition module 501 is further configured to:
acquiring a preset storage capacity for storing a target static resource in a front-end service module;
acquiring the occupied storage capacity of each preset static resource;
according to the corrected accessed frequency, sequencing the plurality of preset static resources from large to small to obtain a first ranking of the plurality of preset static resources;
and in the first ranking, determining a plurality of target static resources, wherein the sum of occupied storage capacities of the plurality of target static resources is smaller than a preset storage capacity.
In some embodiments of the present application, the detection module 503 is specifically configured to:
sequencing a plurality of target static resources from large to small according to the accessed frequency of each target static resource to obtain a second ranking;
and according to the second ranking, determining whether each target static resource is a static resource in a page which is required to be accessed by the intranet access request in sequence, so as to determine whether the static resource in the page which is required to be accessed by the intranet access request exists.
In some embodiments of the present application, the acquisition module 501 is further configured to:
Acquiring the maximum value of data transmission pressure of the network isolation device in a preset historical time period;
and when the maximum value of the data transmission pressure is larger than a preset threshold value, executing the step of acquiring a plurality of target static resources in the power plant business system.
In some embodiments of the present application, the acquisition module 501 is further configured to:
acquiring a first historical data set to be transmitted to an intranet in a front-end service module and a second historical data set to be transmitted to an extranet in a rear-end service module at each historical moment in a preset historical time period;
determining data transmission pressure values of the network isolation device at each historical moment based on the first historical data set and the second historical data set;
and determining the maximum value of the data transmission pressure in the data transmission pressure values of the network isolation device at each historical moment.
In some embodiments of the present application, the acquisition module 501 is further configured to:
determining a first data transmission pressure value of the first data channel at each historical moment based on the first historical data set;
determining a second data transmission pressure value of the second data channel at each historical moment based on the second set of historical data;
and taking the sum of the first data transmission pressure value and the second data transmission pressure value at the same historical moment as the data transmission pressure value of the network isolation device at the historical moment.
The embodiment of the application also provides computer equipment which integrates any power plant intranet access device based on the network isolation device. As shown in fig. 6, a schematic structural diagram of a computer device according to an embodiment of the present application is shown, specifically:
the computer device may include one or more processing cores 'processors 601, one or more computer-readable storage media's memory 602, power supply 603, and input unit 604, among other components. Those skilled in the art will appreciate that the computer device architecture shown in fig. 6 is not intended to be limiting of the computer device, and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components. Wherein:
processor 601 is the control center of the computer device and connects the various parts of the overall computer device using various interfaces and lines to perform various functions and process data of the computer device by running or executing software programs and/or modules stored in memory 602 and invoking data stored in memory 602. Optionally, the processor 601 may include one or more processing cores; preferably, the processor 601 may integrate an application processor and a modem processor, wherein the application processor primarily handles operating systems, user interfaces, applications, etc., and the modem processor primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 601.
The memory 602 may be used to store software programs and modules, and the processor 601 may execute various functional applications and data processing by executing the software programs and modules stored in the memory 602. The memory 602 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like; the storage data area may store data created according to the use of the computer device, etc. In addition, the memory 602 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device. Accordingly, the memory 602 may also include a memory controller to provide access to the memory 602 by the processor 601.
The computer device further includes a power supply 603 for powering the various components, preferably, the power supply 603 can be logically coupled to the processor 601 through a power management system, such that functions of managing charging, discharging, and power consumption are performed by the power management system. The power supply 603 may also include one or more of any components, such as a direct current or alternating current power supply, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
The computer device may also include an input unit 604, which input unit 604 may be used to receive entered numerical or character information and to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control.
Although not shown, the computer device may further include a display unit or the like, which is not described herein. In particular, in this embodiment, the processor 601 in the computer device loads executable files corresponding to the processes of one or more application programs into the memory 602 according to the following instructions, and the processor 601 executes the application programs stored in the memory 602, so as to implement various functions as follows:
acquiring a plurality of target static resources in a power plant business system, wherein the power plant business system comprises a plurality of preset pages of power plant business, and the preset pages comprise the target static resources;
storing a plurality of target static resources in a local storage space of a front-end service module;
when an intranet access request sent by a user side in an external network is received, detecting whether static resources in a page to be accessed by the intranet access request exist in a plurality of target static resources in a local storage space;
If the static resources in the pages to be accessed by the intranet access request exist, the static resources in the pages to be accessed by the intranet access request in the local storage space are used as response data of the intranet access request;
if the static resources in the page to be accessed by the intranet access request do not exist, the intranet access request is sent to the intranet through the network isolation device so as to acquire response data of the intranet access request;
and feeding back response data of the intranet access request to the user side sending the intranet access request.
Those of ordinary skill in the art will appreciate that all or a portion of the steps of the various methods of the above embodiments may be performed by instructions, or by instructions controlling associated hardware, which may be stored in a computer-readable storage medium and loaded and executed by a processor.
To this end, an embodiment of the present application provides a computer-readable storage medium, which may include: read Only Memory (ROM), random access Memory (RAM, random Access Memory), magnetic or optical disk, and the like. The method comprises the steps of storing a computer program, wherein the computer program is loaded by a processor to execute any one of the steps in the method for accessing the power plant intranet based on the network isolation device. For example, the loading of the computer program by the processor may perform the steps of:
Acquiring a plurality of target static resources in a power plant business system, wherein the power plant business system comprises a plurality of preset pages of power plant business, and the preset pages comprise the target static resources;
storing a plurality of target static resources in a local storage space of a front-end service module;
when an intranet access request sent by a user side in an external network is received, detecting whether static resources in a page to be accessed by the intranet access request exist in a plurality of target static resources in a local storage space;
if the static resources in the pages to be accessed by the intranet access request exist, the static resources in the pages to be accessed by the intranet access request in the local storage space are used as response data of the intranet access request;
if the static resources in the page to be accessed by the intranet access request do not exist, the intranet access request is sent to the intranet through the network isolation device so as to acquire response data of the intranet access request;
and feeding back response data of the intranet access request to the user side sending the intranet access request.
In the foregoing embodiments, the descriptions of the embodiments are focused on, and the portions of one embodiment that are not described in detail in the foregoing embodiments may be referred to in the foregoing detailed description of other embodiments, which are not described herein again.
In the implementation, each unit or structure may be implemented as an independent entity, or may be implemented as the same entity or several entities in any combination, and the implementation of each unit or structure may be referred to the foregoing method embodiments and will not be repeated herein.
The specific implementation of each operation above may be referred to the previous embodiments, and will not be described herein.
The method, the device and the medium for accessing the power plant intranet based on the network isolation device provided by the embodiment of the application are described in detail, and specific examples are applied to the description of the principle and the implementation mode of the application, and the description of the above embodiment is only used for helping to understand the method and the core idea of the application; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, the present description should not be construed as limiting the present application.

Claims (7)

1. The utility model provides a power plant intranet access method based on network isolating device, its characterized in that, network isolating device communicates with leading service module and rear service module respectively, and leading service module communicates with the outer net that the power plant is located, and rear service module communicates with the intranet that power plant service system is located, network isolating device is used for carrying out data transmission between leading service module and rear service module, and the method is applied to leading service module, and the method includes:
Acquiring a plurality of target static resources in a power plant business system, wherein the power plant business system comprises a plurality of preset pages of power plant business, and the preset pages comprise the target static resources;
storing the plurality of target static resources in a local storage space of a front-end service module;
when an intranet access request sent by a user side in an external network is received, detecting whether static resources in a page to be accessed by the intranet access request exist in a plurality of target static resources in a local storage space;
if the static resources exist in the page to be accessed by the intranet access request, the intranet access request is not sent to the intranet through the network isolation device, and the static resources in the page to be accessed by the intranet access request in the local storage space are used as response data of the intranet access request;
if the static resources in the page to be accessed by the intranet access request do not exist, the intranet access request is sent to an intranet through the network isolation device so as to acquire response data of the intranet access request;
the response data of the intranet access request is fed back to a user side which sends the intranet access request;
The method further comprises the steps of:
acquiring the maximum value of data transmission pressure of the network isolation device in a preset historical time period;
executing the step of acquiring a plurality of target static resources in the power plant business system when the maximum value of the data transmission pressure is larger than a preset threshold value;
the step of obtaining the maximum value of the data transmission pressure of the network isolation device in the preset historical time period comprises the following steps:
acquiring a first historical data set to be transmitted to an intranet in a front-end service module and a second historical data set to be transmitted to an extranet in a rear-end service module at each historical moment in a preset historical time period;
determining data transmission pressure values of the network isolation device at each historical moment based on a first historical data set and a second historical data set;
determining the maximum value of the data transmission pressure in the data transmission pressure values of the network isolation device at each historical moment;
the network isolation device comprises a first data channel and a second data channel, the first data channel is used for unidirectionally transmitting data from a front service module to a rear service module, the second data channel is used for unidirectionally transmitting data from the rear service module to the front service module, and the step of determining the data transmission pressure value of the network isolation device at each historical moment based on a first historical data set and a second historical data set comprises the following steps:
Determining a first data transmission pressure value of a first data channel at each historical moment based on a first historical data set;
determining a second data transmission pressure value of a second data channel at each of the historical moments based on a second set of historical data;
and taking the sum of the first data transmission pressure value and the second data transmission pressure value at the same historical moment as the data transmission pressure value of the network isolation device at the historical moment.
2. The method for accessing an intranet in a power plant based on a network isolation device as set forth in claim 1, wherein the step of obtaining the plurality of target static resources in the power plant business system comprises:
acquiring preset static resources in each preset page in a power plant business system;
determining the accessed frequency of each preset static resource;
and determining the target static resources from the preset static resources based on the accessed frequency of each preset static resource.
3. The method for accessing an intranet in a power plant based on a network isolation device as set forth in claim 2, wherein the step of determining the plurality of target static resources from among the plurality of preset static resources based on the accessed frequency of each preset static resource includes:
Acquiring user grades of external network users accessing each preset static resource in a preset historical time period;
correcting the accessed frequency of the corresponding preset static resource based on the user grade to obtain corrected accessed frequency;
and determining the target static resources from the preset static resources based on the corrected accessed frequency.
4. The method for accessing an intranet in a power plant based on a network isolation device as set forth in claim 3, wherein the step of determining the plurality of target static resources among a plurality of preset static resources based on the corrected accessed frequency comprises:
acquiring a preset storage capacity for storing a target static resource in a front-end service module;
acquiring the occupied storage capacity of each preset static resource;
according to the corrected accessed frequency, sequencing the plurality of preset static resources from large to small to obtain a first ranking of the plurality of preset static resources;
and determining the plurality of target static resources in the first ranking, wherein the sum of occupied storage capacity of the plurality of target static resources is smaller than a preset storage capacity.
5. The method for accessing an intranet in a power plant based on a network isolation device as set forth in claim 2, wherein the step of detecting whether there are static resources in a page to be accessed by the intranet access request among the plurality of target static resources in the local storage space includes:
Sequencing a plurality of target static resources from large to small according to the accessed frequency of each target static resource to obtain a second ranking;
and according to the second ranking, determining whether each target static resource is a static resource in a page which is required to be accessed by the intranet access request in sequence, so as to determine whether the static resource in the page which is required to be accessed by the intranet access request exists.
6. A computer device, the computer device comprising:
one or more processors;
a memory; and
one or more applications, wherein the one or more applications are stored in the memory and are configured to be executed by the processor to implement the steps in the network isolation device-based power plant intranet access method of any one of claims 1 to 5.
7. A computer readable storage medium, having stored thereon a computer program, the computer program being loaded by a processor to perform the steps of the network isolation device based power plant intranet access method of any one of claims 1 to 5.
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