CN110807229B - Data updating method and server for WEB wiring diagram of distribution network main station system - Google Patents
Data updating method and server for WEB wiring diagram of distribution network main station system Download PDFInfo
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- 238000009826 distribution Methods 0.000 title claims abstract description 30
- 238000012545 processing Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000006870 function Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000004590 computer program Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/23—Updating
- G06F16/2379—Updates performed during online database operations; commit processing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2455—Query execution
- G06F16/24552—Database cache management
Abstract
The application relates to a data updating method and a server of a WEB wiring diagram of a distribution network main station system, wherein the method comprises the following steps: the server stores the equipment data with the corresponding equipment identifier into a data cache pool, periodically updates the equipment data stored in the data cache pool, and stores the index of the equipment data which changes before and after updating into a page cache; the client sends page request information to the server, and after the server receives the page request information sent by the client, if the current page is not modified, page data in a corresponding page cache is returned to the client according to the equipment identifier; and the client calls corresponding equipment data from the data cache pool according to the received page data to update the corresponding equipment object in the current page. The application improves the data transmission efficiency, ensures the high efficiency and the real-time performance of data updating, and can meet the application requirements.
Description
Technical Field
The application relates to a data updating method and a server for a WEB wiring diagram of a distribution network main station system, and belongs to the technical field of power systems.
Background
With the continuous development and improvement of the distribution network main station system and the network technology, whether the WEB version wiring diagram can be distributed in the distribution network main station system is more and more paid attention. The traditional real-time running condition monitoring of the distribution network system needs to develop a set of client software access system independently, and after the WEB version wiring diagram is released, a user can realize the real-time monitoring function by installing a browser at the client, so that the requirements of different power users for browsing the real-time state of the distribution network system through different terminals can be met. However, because the access data amount of the distribution network system is large, the real-time requirement is high, when the client requests all data to the server of the distribution network main station system for real-time display each time, the data transmission efficiency is low, and meanwhile, larger network flow can be brought, so that the application requirement cannot be met.
Disclosure of Invention
The application aims to provide a data updating method and a server for a WEB wiring diagram of a distribution network main station system, which are used for solving the problems that when a client requests data to a server of the distribution network main station system for real-time display, the data transmission efficiency is low and the application requirement cannot be met.
In order to solve the technical problems, the application provides a data updating method of a WEB wiring diagram of a distribution network main station system, which comprises the following steps:
the server side stores the device data with the corresponding device identifier in a data cache pool in advance, periodically updates the device data stored in the data cache pool, and stores the index of the device data which changes before and after updating in a page cache;
after receiving the page request information sent by the client, the server determines that the current page is not modified according to the page attribute information in the page request information, and returns the page data in the corresponding page cache to the client according to the equipment identifier in the page request information.
The beneficial effects of the application are as follows: and when the client requests data from the server, the page data in the corresponding page cache is returned to the client according to the equipment identification. Because only the data corresponding to the change of the equipment data is required to be transmitted each time, and the data corresponding to the change is not required to be transmitted, the data transmission efficiency is improved, the high efficiency and the real-time performance of the data update are ensured, and the application requirements can be met.
As a further improvement of the method, in order to realize the first update of the data of the wiring diagram, further comprising: when the server side receives page request information sent by the client side for the first time and the current page is not modified, inquiring corresponding equipment data according to equipment identification in the page request information, storing the inquired equipment data in a data cache pool, and storing an index of the corresponding equipment data in a page cache; and the server returns the page data in the corresponding page cache to the client according to the equipment identifier.
As a further refinement of the method, the device identification includes a data type, a device type and a device index in order to enable identification of the device.
As a further improvement of the method, in order to ensure the rationality of the data updating frequency, the service end periodically updates the corresponding period of the equipment data stored in the data cache pool to be 1-3 s.
As a further improvement of the method, in order to increase the update speed of the device data stored in the data cache pool, the step of periodically updating the device data stored in the data cache pool includes: comparing the queried latest equipment data with the equipment data stored in the corresponding data cache pool, and if the queried latest equipment data is inconsistent with the equipment data stored in the corresponding data cache pool, updating the equipment data stored in the data cache pool into the latest equipment data.
In order to solve the technical problems, the application also provides a data updating method of the WEB wiring diagram of the distribution network master station system, which comprises the following steps:
the method comprises the steps that a client sends page request information to a server, wherein the page request information comprises equipment identifiers and page attribute information of all equipment objects of a current page;
the client receives page data returned by the server; the page data is the page data in the page cache corresponding to the equipment identifier when the current page is determined to be unmodified according to the page attribute information;
and the client calls corresponding equipment data from the data cache pool according to the received page data to update the corresponding equipment object in the current page.
The beneficial effects of the application are as follows: when the device object in the current page needs to be updated, the client sends page request information containing the device identifier to the server, and the device object in the current page is updated according to the page data returned by the server. In the process of updating the device object, only the data corresponding to the change of the device data is required to be transmitted each time, and the data corresponding to the no change is not required to be transmitted, so that the data transmission efficiency is improved, the high efficiency and the instantaneity of the data updating are ensured, and the application requirements can be met.
In order to solve the technical problem, the present application further provides a server, which includes:
the storage module is used for storing the equipment data with the corresponding equipment identifier into the data cache pool in advance, periodically updating the equipment data stored in the data cache pool, and storing the index of the equipment data which changes before and after updating into the page cache;
the first processing module is used for returning the page data in the corresponding page cache to the client according to the equipment identification in the page request information when the current page is not modified according to the page attribute information in the page request information after the page request information sent by the client is received.
The beneficial effects of the application are as follows: and when the client requests data from the server, the page data in the corresponding page cache is returned to the client according to the equipment identification. Because only the data corresponding to the change of the equipment data is required to be transmitted each time, and the data corresponding to the change is not required to be transmitted, the data transmission efficiency is improved, the high efficiency and the real-time performance of the data update are ensured, and the application requirements can be met.
As a further improvement of the server, in order to realize the first update of the data of the wiring diagram, further comprising:
the second processing module is used for inquiring corresponding equipment data according to the equipment identification in the page request information when the page request information sent by the client is received for the first time and the current page is not modified, storing the inquired equipment data in the data cache pool and storing an index of the corresponding equipment data in the page cache; and returning the page data in the corresponding page cache to the client according to the equipment identifier.
As a further refinement of the server, the device identification includes a data type, a device type, and a device index in order to enable identification of the device.
As a further improvement of the server, in order to ensure the reasonability of the data updating frequency, the server periodically updates the corresponding period of the equipment data stored in the data cache pool to be 1-3 s.
Drawings
FIG. 1 is a system structure diagram corresponding to a data updating method of a WEB wiring diagram of a distribution network main station system;
FIG. 2 is a flow chart of a method for updating data of a WEB wiring diagram of a distribution network master station system according to the present application;
FIG. 3 is a flow chart of the client and server data interaction of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and specific embodiments.
The embodiment of the data updating method of the WEB wiring diagram of the distribution network main station system comprises the following steps:
the embodiment provides a data updating method for a WEB wiring diagram of a distribution network main station system, and a corresponding system structure diagram and a corresponding step flow diagram are respectively shown in fig. 1 and fig. 2. The method optimizes the data dynamic updating process of the WEB wiring diagram of the distribution network main station system and ensures the real-time performance and high efficiency of the page data of the WEB wiring diagram of the distribution network main station system. Specifically, the data updating method of the WEB wiring diagram of the distribution network main station system comprises the following contents:
(1) Designing a dasKey rule and adding a unique device identifier dasKey to the device.
Wherein the device identifier dasKey defines a data type, a device index, and the like. The device identification dasKey is an 8-byte binary number, the first 4 bytes representing the specific type of device or graphic, as shown in table 1, wherein the first 4 bytes can be subdivided into: the 1 st 8 th bit group represents a data type, the 2 nd 8 th bit group represents a device type or a graphic type, and the 3 rd to 4 th 8 th bit groups represent device detail types; the 5 th to 8 th groups of 8 bits represent a device index, which is a number. For example, for the device identifier dasKey0x020202047C0003DE,0x02 represents electrical data, 0x0202 represents an open-close device in an electrical device, 0x02020204 represents a current-type normally closed load switch, 0x7C0003DE represents a device index for a current-type normally closed load switch (where 0x7C represents that the device is generated by a console with machine number 124, and 0x0003DE represents 990 th of this type on the console).
TABLE 1
| Group 1 of 8 bits | Data type |
| Group of 8 th bit | Device type or graphics type |
| 3 rd to 4 th 8 th bit group | Device detail type |
| 5 th to 8 th bit groups | Device index |
(2) And the client sends page request information to the server, wherein the page request information comprises the device identifiers dasKey of all device objects of the current page, the current data and the page attribute information.
The device identifier dasKey is used for device indexing, and the page attribute information is used for judging whether the current page is modified or not.
(3) When the server receives the page request information sent by the client, the corresponding processing is carried out, and the time division is divided into two cases:
case 1: first request
After receiving the page request information, the server side firstly acquires the page attribute information and judges whether the current page is modified or not according to the page attribute information. The method for judging whether the current page is modified according to the page attribute information comprises the following steps: the page attribute information comprises a modification identifier and a time stamp attribute, wherein the modification identifier is true when requested for the first time, and then the identifier is set as false; the timestamp records the time the page file was modified, and the data format is referenced in appendix B below. If the current page is not modified, the server side inquires and caches data according to the device identifiers dasKey of all the device objects of the current page sent by the client side and returns the data to the client side. The process of inquiring and caching data comprises the following steps:
(a) The server analyzes the device identifier dasKey from the page request information sent by the client, and queries corresponding device data according to the dasKey rule.
(b) Firstly, the queried device data is stored in a data cache pool by taking a device identification dasKey as an ID.
When the queried device data is stored, if other data exists in the data cache pool, the other data is updated into the queried device data. In this embodiment, the device identifier dasKey and the device data are both stored in the data cache pool in a list form, that is, the data cache pool stores the device identifier dasKey list and the device data list with the device identifier dasKey as the identifier. In practical application, the data cache pool is usually implemented by a cache server such as Redis, which is a memory type K-V database and can store data in the form of key value pairs, and in this embodiment, the data cache pool is implemented based on Redis. The specific implementation mode is as follows: firstly, a string formed by splicing all device identifiers dasKey is stored in a Redis library, and the string is a dasKey list, for example: "0x020202047C0003DE;0x020202047C0003DF;0x020202047C0003E 0' is a list storing 3 device identifiers dasKey; the keys of the device data are device identification dasKey, the values are typically stored in json strings, and the device data format is found in appendix a. Furthermore, instead of using a K-V database, the data cache pool may be implemented based on an array.
Appendix a: device data format examples
Appendix B: page cache example
(c) And creating a page object by taking the current file name as an identification, and storing indexes of all equipment data of the current page in the page object.
The current file name refers to a graphic file name, namely, a graphic file name stored after the configuration tool draws, and the index of the device data stored in the data cache pool can be stored in the page cache by creating a page object, namely, creating a page cache in the step (c), wherein the index is an identification of the device data, can be a dasKey, can be a data storage serial number, an address and the like, and only needs to be able to distinguish the device data. In this embodiment, a page object is created with the current file name as an ID, and an index of device data stored in the data cache pool is stored in the page object in a list form, and at this time, a page data list with the file name as an ID is stored in the page object, and data in the page data list is an index of device data in the data cache pool. The data structure and the data format in the page data list are shown in annex B.
(d) And returning the page object by the server, namely returning the page data in the corresponding page cache to the client by the server according to the device identifier dasKey.
In addition, if the page is modified, the server returns new page data to the client, and the client draws the new page and then executes the steps (a) - (d).
Case 2: non-first request
The server side initializes the data cache pool when receiving the request of the client side for the first time, and starts to periodically traverse the data cache pool after that, namely, the server side periodically updates the equipment data stored in the data cache pool, and the specific process is as follows: the server side inquires the latest data of the device according to the device identifier dasKey list in the data cache pool, compares the latest data of the device with the cache value in the data cache pool, and updates the cache value in the data cache pool into the latest data of the device when the latest data of the device is inconsistent with the cache value in the data cache pool. The period corresponding to the period traversing data cache pool can be set according to the requirement, for example, any value in 1-3 s. And when the latest data of the equipment is inconsistent with the cache value in the data cache pool, namely, the cache value in the data cache pool is updated, a flag bit is set for the updated cache value, and the index of the equipment data is stored in the page cache.
When the server receives the page request information, firstly acquiring page attribute information, judging whether the current page is modified according to the page attribute information, and if the current page is not modified, returning the page data in the corresponding page cache to the client according to the equipment identification. And the client calls corresponding equipment data from the data cache pool according to the received page data to update the corresponding equipment object in the current page, namely, after receiving the page data returned by the server, the client analyzes the page object and updates the corresponding equipment object in the current page according to the equipment identifier dasKey.
Similarly, if the page is modified, the server returns new page data to the client, and the client draws the new page and then performs a data update process. It should be noted that, all the data related to the above steps are based on the device identifier dasKey, as shown in fig. 3, the data in the data updating process is in json format, and is a json object list with dasKey as a key and an object as a value. Of course, as other embodiments, the dasKey rule may not be specifically designed, but other device identifiers that can uniquely identify the device exist in the prior art may be used.
In the data updating method of the WEB wiring diagram of the distribution network main station system, a two-stage caching mechanism is adopted, namely a data caching pool and a page cache are added at a server side, the data caching pool is used for caching equipment objects in pages, the page cache is used for caching the page objects, when the server side receives page request information sent by a client side, only updated equipment objects are needed to be returned, equipment objects which are not updated are ignored, data transmission efficiency is effectively improved, a dynamic updating process of the WEB wiring diagram data is optimized, high efficiency and instantaneity of data updating are guaranteed, network flow is reduced, and pressure of the server side is relieved.
Server embodiment:
the server is a hardware carrier of a server, the server in the embodiment of the data updating method of the WEB wiring diagram of the distribution network main station system can be deployed on the server, and the server comprises a storage module and a processing module and can realize the following functions: storing the device data with the corresponding device identifier in a data cache pool, periodically updating the device data stored in the data cache pool, and storing the index of the device data which changes before and after updating in a page cache; and after receiving the page request information sent by the client, the server judges whether the current page is modified according to the page attribute information, and if not, the server returns the page data in the corresponding page cache to the client according to the equipment identifier.
It should be noted that, in order to implement the above-mentioned functions, the server may include one or more than one processing modules, for example, two processing modules may cooperate to implement the above-mentioned functions. The functions and the working processes of the server can be described in detail in the above embodiments of the method for updating the data of the WEB wiring diagram of the distribution network host station system, which are not described herein.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that the foregoing embodiments are merely for illustrating the technical solution of the present application and not for limiting the scope of protection thereof, and although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes, modifications or equivalents may be made to the specific embodiments of the application while still being within the scope of protection of the claims of the present application.
Claims (10)
1. The data updating method of the WEB wiring diagram of the distribution network main station system is characterized by comprising the following steps of:
the server side stores the device data with the corresponding device identifier in a data cache pool in advance, periodically updates the device data stored in the data cache pool, and stores the index of the device data which changes before and after updating in a page cache;
when the server receives the page request information sent by the client, and the current page is not modified according to the page attribute information in the page request information, the page data in the corresponding page cache is returned to the client according to the equipment identifier in the page request information.
2. The data updating method of a WEB wiring diagram of a distribution network main station system according to claim 1, further comprising:
when the server side receives page request information sent by the client side for the first time and the current page is not modified, inquiring all equipment data according to equipment identifiers in the page request information, storing the inquired equipment data in a data cache pool, and storing indexes of all the equipment data in a page cache; and the server returns the page data in the corresponding page cache to the client according to the equipment identifier.
3. A method for updating data of a WEB wiring diagram of a distribution network main station system according to claim 1 or 2, wherein the device identification includes a data type, a device type, and a device index.
4. The data updating method of the WEB wiring diagram of the distribution network main station system according to claim 1 or 2, wherein the period corresponding to the equipment data stored in the server side periodically updated data cache pool is 1-3 s.
5. The data updating method of a WEB wiring diagram of a distribution network main station system according to claim 1 or 2, wherein the step of periodically updating the device data stored in the data cache pool comprises: comparing the queried latest equipment data with the equipment data stored in the corresponding data cache pool, and if the queried latest equipment data is inconsistent with the equipment data stored in the corresponding data cache pool, updating the equipment data stored in the data cache pool into the latest equipment data.
6. The data updating method of the WEB wiring diagram of the distribution network main station system is characterized by comprising the following steps of:
the method comprises the steps that a client sends page request information to a server, wherein the page request information comprises equipment identifiers and page attribute information of all equipment objects of a current page;
the server periodically updates the data stored in the data cache pool;
the client receives page data returned by the server; the page data is page data in a page cache corresponding to the equipment identifier when the current page is determined to be unmodified according to the page attribute information, and an index of the equipment data is stored in the page cache;
and the client calls corresponding equipment data from a data cache pool according to the received page data to update the corresponding equipment object in the current page, wherein the equipment data is stored in the data cache pool.
7. A server, the server comprising:
the storage module is used for storing the equipment data with the corresponding equipment identifier into the data cache pool in advance, periodically updating the equipment data stored in the data cache pool, and storing the index of the equipment data which changes before and after updating into the page cache;
the first processing module is used for returning the page data in the corresponding page cache to the client according to the equipment identification in the page request information when the current page is not modified according to the page attribute information in the page request information after the page request information sent by the client is received.
8. The server of claim 7, further comprising:
the second processing module is used for inquiring all equipment data of the current page according to the equipment identification in the page request information when the page request information sent by the client is received for the first time and the current page is not modified, storing the inquired equipment data in the data cache pool and storing indexes of all the equipment data in the page cache; and returning the page data in the corresponding page cache to the client according to the equipment identifier.
9. The server according to claim 7 or 8, wherein the device identification comprises a data type, a device type and a device index.
10. The server according to claim 7 or 8, wherein the period corresponding to the device data stored in the server periodically updates the data cache pool is 1-3 s.
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