CN110807229A - Data updating method of distribution network main station system WEB wiring diagram and server - Google Patents
Data updating method of distribution network main station system WEB wiring diagram and server Download PDFInfo
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Abstract
The invention relates to a data updating method and a server for a WEB wiring diagram of a distribution network master station system, wherein the method comprises the following steps: the server stores the equipment data with the corresponding equipment identification in a data cache pool, periodically updates the equipment data stored in the data cache pool, and stores indexes of the equipment data which are changed before and after updating in a page cache; the method comprises the steps that a client side sends page request information to a server side, and after the server side receives the page request information sent by the client side, if a current page is not modified, page data in a corresponding page cache are returned to the client side according to 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. The invention improves the data transmission efficiency, ensures the high efficiency and the real-time property of data updating and can meet the application requirement.
Description
Technical Field
The invention relates to a data updating method and a server for a WEB wiring diagram of a distribution network master station system, and belongs to the technical field of power systems.
Background
With the continuous development and improvement of the distribution network master station system and the network technology, whether the WEB version wiring diagram can be released in the distribution network master station system is more and more emphasized. The traditional real-time operation condition monitoring of the distribution network system needs to develop a set of client software access system independently, and after a WEB version wiring diagram is released, a user can realize the real-time monitoring function only by installing a browser at the client, so that the requirement that different power users browse the real-time state of the distribution network system through different terminals can be met. However, because the distribution network system has a large amount of access data and a high real-time requirement, when the client requests all data from the server of the distribution network master station system for real-time display, the data transmission efficiency is low, and a large network flow is brought at the same time, so that the application requirement cannot be met.
Disclosure of Invention
The invention 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 from a server of the distribution network main station system for real-time display, the data transmission efficiency is low and the application requirements cannot be met.
In order to solve the technical problem, the invention 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 equipment data with the corresponding equipment identification in a data cache pool in advance, periodically updates the equipment data stored in the data cache pool, and stores indexes of the equipment data which change before and after updating in a page cache;
and when the server receives the page request information sent by the client and judges and determines that the current page is not modified according to the page attribute information in the page request information, the server returns the page data in the corresponding page cache to the client according to the equipment identifier in the page request information.
The invention has the beneficial effects that: the method comprises the steps of periodically updating equipment data stored in a data cache pool, storing indexes of the equipment data which change before and after updating into a page cache, and returning the page data in the corresponding page cache to a client according to an equipment identifier when the client requests data from a server. Because only the data corresponding to the changed equipment data is required to be transmitted at each time and the data corresponding to the unchanged equipment data is not required to be transmitted, the data transmission efficiency is improved, the high efficiency and the real-time performance of data updating are ensured, and the application requirements can be met.
As a further improvement of the method, in order to implement the first update of the data of the wiring diagram, the method further includes: when the server receives page request information sent by the client for the first time and a current page is not modified, inquiring corresponding equipment data according to an equipment identifier 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 improvement of the method, in order to achieve identification of the device, the device identification includes a data type, a device type, and a device index.
As a further improvement of the method, in order to ensure the reasonability of the data updating frequency, the period corresponding to the periodical updating of the equipment data stored in the data cache pool by the server is 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: and comparing the inquired latest equipment data with the equipment data stored in the corresponding data cache pool, and if the inquired 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 problem, the invention 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 identifications 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 page data in a page cache corresponding to the equipment identifier when the current page is determined not to be modified 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 invention has the beneficial effects that: 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 equipment object, only the data corresponding to the changed equipment data is required to be transmitted at each time, and the data corresponding to the unchanged equipment data is not required to be transmitted, so that the data transmission efficiency is improved, the high efficiency and the real-time property of data updating are ensured, and the application requirements can be met.
In order to solve the above technical problem, the present invention further provides a server, including:
the storage module is used for storing the equipment data with the corresponding equipment identification in 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;
and 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 determined not to be modified according to the page attribute information in the page request information after the page request information sent by the client is received.
The invention has the beneficial effects that: the method comprises the steps of periodically updating equipment data stored in a data cache pool, storing indexes of the equipment data which change before and after updating into a page cache, and returning the page data in the corresponding page cache to a client according to an equipment identifier when the client requests data from a server. Because only the data corresponding to the changed equipment data is required to be transmitted at each time and the data corresponding to the unchanged equipment data is not required to be transmitted, the data transmission efficiency is improved, the high efficiency and the real-time performance of data updating are ensured, and the application requirements can be met.
As a further improvement of the server, in order to implement the first update of the data of the wiring diagram, the method further comprises the following steps:
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 the 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 improvement of the server, in order to implement the identification of the device, the device identification includes a data type, a device type, and a device index.
As a further improvement of the server, in order to ensure the reasonability of the data updating frequency, the period corresponding to the equipment data stored in the data cache pool is periodically updated by the server side is 1-3 s.
Drawings
FIG. 1 is a system structure diagram corresponding to the data updating method of the WEB wiring diagram of the distribution network master station system according to the invention;
FIG. 2 is a flow chart of a data updating method of a WEB wiring diagram of a distribution network main station system according to the invention;
FIG. 3 is a flow chart of client and server data interaction according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further 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 master station system comprises the following steps:
the embodiment provides a data updating method for a distribution network master station system WEB wiring diagram, 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 master station system, and ensures the real-time performance and the high efficiency of the page data of the WEB wiring diagram of the distribution network master station system. Specifically, the data updating method of the distribution network main station system WEB wiring diagram comprises the following contents:
(1) designing a dasKey rule, and adding a unique equipment identifier dasKey for equipment.
The device identification dasKey defines a data type, a device index, and the like. The device identifier dasKey is an 8-byte binary number, and the first 4 bytes represent a specific type of device or graphic, as shown in table 1, where the first 4 bytes can be further subdivided into: the 1 st 8-bit group represents a data type, the 2 nd 8-bit group represents a device type or a graph type, and the 3 rd to 4 th 8-bit groups represent a device detailed type; the 5 th to 8 th bit groups represent a device index, and the device index is a number. For example, for the device identification dasKey0x020202047C0003DE, 0x02 represents electrical data, 0x0202 represents an open-close device in the electrical device, 0x02020204 represents a current-type normally closed load switch, and 0x7C0003DE represents a device index of the current-type normally closed load switch (where 0x7C represents that the present device is generated by a console with a device number of 124, and 0x0003DE represents that the present device is the 990 th device of this type on this console).
TABLE 1
| 1 st 8 bit group | Data type |
| 2 nd 8 th bit group | Device type or graphics type |
| Groups of 3-4 8 bits | Detailed type of device |
| 5 th to 8 th bit groups | Device index |
(2) And sending page request information to the server by the client, wherein the page request information comprises equipment identifications dasKey, current data and page attribute information of all equipment objects of the current page.
The device identification dasKey is used for device indexing, and the page attribute information is used for judging whether the current page is modified.
(3) After receiving the page request information sent by the client, the server performs corresponding processing, which is divided into two cases:
case 1: first request
After receiving the page request information, the server first obtains page attribute information, and judges whether the current page is modified 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 modify identifier and a timestamp attribute, the modify identifier is true when the page attribute information is requested for the first time, and then the identifier is set as false; the time stamp records the time the pagefile was modified and the data format refers to appendix B below. And if the current page is not modified, the server side inquires and caches data according to the equipment identifications dasKey of all equipment 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 equipment identifier dasKey from the page request information sent by the client, and inquires corresponding equipment data according to the dasKey rule.
(b) The inquired device data is firstly stored in a data cache pool by taking the device identification dasKey as the ID.
When the queried device data is stored, if other data exists in the data cache pool, the other data is updated to the queried device data. In this embodiment, both the device identifier dasKey and the device data are stored in the data cache pool in a list form, that is, the device identifier dasKey list and the device data list using the device identifier dasKey as an identifier are stored in the data cache pool. In practical application, the data cache pool is usually implemented by a cache server such as a Redis, the Redis is a memory-type K-V database and can store data in a key value pair form, and the data cache pool in this embodiment is implemented based on the Redis. The specific implementation mode is as follows: firstly, a character string formed by splicing all device identifiers dasKey is stored in a Redis library, wherein the character string is a dasKey list, and the character string is, for example: "0 x020202047C0003 DE; 0x020202047C0003 DF; 0x020202047C0003E0 "is a list storing 3 device identifiers, daskeys; the key of the equipment data is an equipment identifier dasKey, the value is usually stored in a json character string mode, and the format of the equipment data is shown in appendix A. In addition, the data cache pool may also be implemented based on arrays, rather than using a K-V database.
Appendix A: device data format example
Appendix B: page cache example
(c) And creating a page object by taking the current file name as an identifier, and storing indexes of all equipment data of the current page in the page object.
The current file name is a graphic file name, namely a graphic file name stored after the configuration tool draws, and the index of the equipment data stored in the data cache pool can be stored in the page cache by creating the page object, namely creating the page cache in the step (c), wherein the index is an identifier of the equipment data, can be a dasKey, can also be a data storage serial number, an address and the like, and only needs to be capable of distinguishing the equipment data. In this embodiment, a page object is created with the current file name as ID, and the index of the device data stored in the data cache pool is stored in the page object in a list form, at this time, a page data list with the file name as ID is stored in the page object, and the data in the page data list is the index of the device data in the data cache pool. The data structure and data format in the page data list are shown in appendix B.
(d) And the server returns the page object, namely the server returns the page data in the corresponding page cache to the client according to the equipment identifier dasKey.
In addition, if the page is modified, the server returns new page data to the client, and the client performs the steps (a) - (d) after drawing the new page.
Case 2: non-first request
The server side initializes the data cache pool when receiving a request of the client side for the first time, and starts a cycle to traverse the data cache pool later, namely the server side periodically updates the equipment data stored in the data cache pool, and the specific process is as follows: and the server side inquires the latest data of the equipment according to the equipment identification dasKey list in the data cache pool, compares the latest data of the equipment 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 equipment when the latest data of the equipment is inconsistent with the cache value in the data cache pool. The period corresponding to the periodic traversal of the data cache pool can be set as required, for example, set to any value in 1-3 s. And when the latest data of the device 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 device data is stored in the page cache.
After receiving the page request information, the server firstly acquires page attribute information, judges whether the current page is modified according to the page attribute information, and returns page data in the corresponding page cache to the client according to the equipment identification if the current page is not modified. 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, the client analyzes the page object after receiving the page data returned by the server and updates the corresponding equipment object in the current page according to the equipment identification dasKey.
Similarly, if the page is modified, the server returns new page data to the client, and the client performs a data updating process after drawing the new page. It should be noted that all the data involved in the above steps are based on the device identifier dasKey, as shown in fig. 3, the data in the data updating process are in json format, and are json object lists in which the dasKey is used as a key and the object is used as a value. Of course, as another embodiment, the dasKey rule may not be specifically designed, but instead, other device identifiers that can uniquely identify devices in the prior art may be used.
In the data updating method of the WEB wiring diagram of the distribution network master station system, a two-stage cache mechanism is adopted, namely a data cache pool and a page cache are added at a server, the data cache pool is used for caching equipment objects in a page, the page cache is used for caching the page objects, after the server receives page request information sent by a client, only the updated equipment objects need to be returned, but the equipment objects which are not updated are ignored, so that the data transmission efficiency is effectively improved, the dynamic updating process of the WEB wiring diagram data is optimized, the high efficiency and the real-time performance of data updating are ensured, the network flow is reduced, and the pressure of the server is reduced.
The embodiment of the server comprises:
the server is a hardware carrier of a server, the server in the data updating method embodiment of the distribution network main station system WEB connection diagram can be deployed on the server, the server comprises a storage module and a processing module, and the following functions can be realized: storing the device data with corresponding device identification in advance into 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 into 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.
In order to implement the above functions, the server may include one or more processing modules, and for example, two processing modules may cooperate to implement the above functions. The functions that can be realized by the server and the working process thereof have been described in detail in the above embodiment of the data updating method for the distribution network master station system WEB wiring diagram, and are not described herein again.
As will be appreciated by one skilled in the art, 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 flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams 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 above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope thereof, and although the present application is described in detail with reference to the above embodiments, those skilled in the art should understand that after reading the present application, various changes, modifications or equivalents of the embodiments of the present application can be made, and these changes, modifications or equivalents are within the protection scope of the claims of the present invention.
Claims (10)
1. A data updating method of a WEB wiring diagram of a distribution network main station system is characterized by comprising the following steps:
the server side stores the equipment data with the corresponding equipment identification in a data cache pool in advance, periodically updates the equipment data stored in the data cache pool, and stores indexes of the equipment data which change before and after updating in a page cache;
and when the server side receives the page request information sent by the client side and determines that the current page is not modified according to the page attribute information in the page request information, returning the page data in the corresponding page cache to the client side according to the equipment identification in the page request information.
2. The data updating method for the WEB wiring diagram of the distribution network master station system according to claim 1, further comprising the following steps:
when the server receives page request information sent by the client for the first time and a current page is not modified, inquiring corresponding equipment data according to an equipment identifier 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.
3. The data updating method for the WEB wiring diagram of the distribution network main station system according to claim 1 or 2, wherein the equipment identification comprises a data type, an equipment type and an equipment index.
4. The data updating method for the WEB wiring diagram of the distribution network master station system according to claim 1 or 2, wherein the period corresponding to the periodic updating of the equipment data stored in the data cache pool by the server is 1-3 s.
5. The data updating method for the WEB wiring diagram of the distribution network master station system according to claim 1 or 2, wherein the step of periodically updating the device data stored in the data cache pool comprises the following steps: and comparing the inquired latest equipment data with the equipment data stored in the corresponding data cache pool, and if the inquired 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. A data updating method of a WEB wiring diagram of a distribution network main station system is characterized by comprising 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 identifications 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 page data in a page cache corresponding to the equipment identifier when the current page is determined not to be modified 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.
7. A server, comprising:
the storage module is used for storing the equipment data with the corresponding equipment identification in 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;
and 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 determined not to be 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 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 the 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.
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 periodic update of the device data stored in the data cache pool by the server is 1-3 s.
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| 孙栓柱;孙彬;周春蕾;王其祥;: "基于WEB的生产实时监控系统的研究与设计", no. 20, pages 36 - 39 * |
| 李飞;黄琦;纪元;吴文传;: "输配电地理信息系统平台图形浏览服务的实现", no. 11, pages 99 - 105 * |
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