CN108737567B - Real-time clock providing method, server, home appliance, system, and medium - Google Patents
Real-time clock providing method, server, home appliance, system, and medium Download PDFInfo
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- CN108737567B CN108737567B CN201810626642.0A CN201810626642A CN108737567B CN 108737567 B CN108737567 B CN 108737567B CN 201810626642 A CN201810626642 A CN 201810626642A CN 108737567 B CN108737567 B CN 108737567B
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- server
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- time clock
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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
- H04L67/61—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 taking into account QoS or priority requirements
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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
- H04L67/56—Provisioning of proxy services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0644—External master-clock
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/0015—Synchronization between nodes one node acting as a reference for the others
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Abstract
The invention discloses a real-time clock providing method of a server, wherein the server comprises a virtual server and an actual server, and the real-time clock providing method of the server comprises the following steps: when the server receives requests for acquiring time sent by a plurality of WiFi modules, selecting the corresponding virtual server to establish connection with the plurality of WiFi modules respectively; when the virtual server is connected with the WiFi module, the virtual server is routed to a corresponding actual server according to the area to which the WiFi module belongs; and the real-time server returns a real-time clock to the WiFi module through the virtual server. The invention also discloses a server, household electrical appliance equipment, a providing system of the real-time clock and a computer readable storage medium. The invention can solve the technical problem that when a large number of WiFi modules simultaneously acquire real-time clocks from the server, the server is prevented from being paralyzed.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method for providing a real-time clock of a server, a home appliance, a system for providing a real-time clock, and a computer-readable storage medium.
Background
When the WiFi module of the existing home device obtains the real-time clock from the server, the WiFi module is generally obtained directly from the server. If a large number of WiFi modules obtain the real-time clock from the server at the same time (for example, at the moment of re-supplying power after a large-scale power outage), when a large number of WiFi modules obtain the real-time clock directly through the real-time device of the server at the same time, a server may be broken down.
Disclosure of Invention
The invention mainly aims to provide a real-time clock providing method of a server, the server, household electrical appliances, a real-time clock providing system and a computer readable storage medium, and aims to solve the technical problem that when a large number of WiFi modules simultaneously acquire real-time clocks from the server, the server is prevented from being paralyzed.
In order to achieve the above object, the present invention provides a real-time clock providing method for a server, where the server includes a virtual server and an actual server, and the real-time clock providing method for the server includes the following steps:
when the server receives requests for acquiring time sent by a plurality of WiFi modules, selecting the corresponding virtual server to establish connection with the plurality of WiFi modules respectively;
when the virtual server is connected with the WiFi module, the virtual server is routed to a corresponding actual server according to the area to which the WiFi module belongs;
and the real-time server returns a real-time clock to the WiFi module through the virtual server.
Preferably, when the virtual server and the WiFi module complete connection, the step of routing, by the virtual server, to the corresponding real server according to the area to which the WiFi module belongs further includes:
and the virtual server acquires the area to which each WiFi module belongs and the actual server corresponding to the area.
Preferably, before the step of returning the real-time clock to the WiFi module by the real server, the method further includes:
the real server acquires the access amount of the virtual server;
and carrying out priority sequencing on the virtual servers according to the access amount of the virtual servers.
Preferably, the step of returning the real-time clock to the WiFi module by the real server through the virtual server includes:
the real server acquires the virtual server with the lowest priority;
and returning a real-time clock to the WiFi module through the virtual server with the lowest priority.
Preferably, the time format provided by the real-time clock is json format.
Preferably, the number of virtual servers is greater than or equal to the number of real servers.
To achieve the above object, the present invention further provides a server, which includes a processor, a memory, and a real-time clock providing program of the server stored on the memory and operable on the processor, wherein the real-time clock providing program of the server, when executed by the processor, implements the steps of the real-time clock providing method of the server as described above.
In order to achieve the above object, the present invention further provides a home appliance device, where the home appliance device has a WIFI module, and the WIFI module is configured to send a request for obtaining time to a server, and receive a real-time clock returned by an actual server through a virtual server when connection between the virtual server and the WIFI module is completed.
Preferably, the household appliance is an air conditioner.
In order to achieve the above object, the present invention further provides a system for providing a real-time clock, where the system for providing a real-time clock includes the server as described above, and the household appliance as described above.
To achieve the above object, the present invention also provides a computer-readable storage medium storing a real-time clock providing program of a server, which when executed by a processor, implements the steps of the real-time clock providing method of the server as described above.
According to the real-time clock providing method of the server, the household appliance equipment, the real-time clock providing system and the computer readable storage medium, when the server receives the time obtaining requests sent by the WiFi modules, the corresponding virtual server is selected to be respectively connected with the WiFi modules, then when the virtual server is connected with the WiFi modules, the virtual server is routed to the corresponding actual server according to the area where the WiFi modules belong, and finally the actual server returns the real-time clock to the WiFi modules through the virtual server. Therefore, when a large number of WiFi modules acquire the real-time clock from the server at the same time, the server can be prevented from being paralyzed.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of a server according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a real-time clock providing method of a server according to a first embodiment of the present invention;
FIG. 3 is a flowchart illustrating a real-time clock providing method of a server according to a second embodiment of the present invention;
FIG. 4 is a functional block diagram of a real-time clock providing system according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The main solution of the embodiment of the invention is as follows:
when the server receives requests for acquiring time sent by a plurality of WiFi modules, selecting the corresponding virtual server to establish connection with the plurality of WiFi modules respectively;
when the virtual server is connected with the WiFi module, the virtual server is routed to a corresponding actual server according to the area to which the WiFi module belongs;
and the real-time server returns a real-time clock to the WiFi module through the virtual server.
Since the WiFi module of the existing home device is usually directly obtained from the server when obtaining the real-time clock from the server. If a large number of WiFi modules acquire the real-time clock from the server at the same time (for example, a large-scale power failure), the server may be disabled when a large number of WiFi modules acquire the real-time clock directly through the real-time device of the server.
The invention provides a solution, when a server receives a time acquisition request sent by a plurality of WiFi modules, a corresponding virtual server is selected to be respectively connected with the WiFi modules, then when the connection between the virtual server and the WiFi modules is completed, the virtual server routes to a corresponding actual server according to an area to which the WiFi modules belong, and finally the actual server returns a real-time clock to the WiFi modules through the virtual server. Therefore, when a large number of WiFi modules acquire the real-time clock from the server at the same time, the server can be prevented from being paralyzed.
As shown in fig. 1, an embodiment of the present invention relates to a server, where the server may include: a processor 1001, such as a CPU, a user interface 1002, a memory 1003, and a communication bus 1004. Wherein a communication bus 1004 is used to enable connective communication between these components. The user interface 1002 may include a Display screen (Display), an input unit. The memory 1003 may be a high-speed RAM memory or a non-volatile memory (e.g., a disk memory). The memory 1003 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the server architecture shown in FIG. 1 is not meant to be limiting, and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a real-time clock providing program of a server may be included in the memory 1003 as a kind of computer storage medium; and the processor 1001 may be configured to call the real-time clock providing program of the server stored in the memory 1002 and perform the following operations:
when the server receives requests for acquiring time sent by a plurality of WiFi modules, selecting the corresponding virtual server to establish connection with the plurality of WiFi modules respectively;
when the virtual server is connected with the WiFi module, the virtual server is routed to a corresponding actual server according to the area to which the WiFi module belongs;
and the real-time server returns a real-time clock to the WiFi module through the virtual server.
Further, the processor 1001 may be configured to call a real-time clock providing program of the server stored in the memory 1002, and perform the following operations:
and the virtual server acquires the area to which each WiFi module belongs and the actual server corresponding to the area.
Further, the processor 1001 may be configured to call a real-time clock providing program of the server stored in the memory 1002, and perform the following operations:
the real server acquires the access amount of the virtual server;
and carrying out priority sequencing on the virtual servers according to the access amount of the virtual servers.
Further, the processor 1001 may be configured to call a real-time clock providing program of the server stored in the memory 1002, and perform the following operations:
the real server acquires the virtual server with the lowest priority;
and returning a real-time clock to the WiFi module through the virtual server with the lowest priority.
Further, the processor 1001 may be configured to call a real-time clock providing program of the server stored in the memory 1002, and perform the following operations:
the time format provided by the real-time clock is json format.
Further, the processor 1001 may be configured to call a real-time clock providing program of the server stored in the memory 1002, and perform the following operations:
the number of virtual servers is greater than or equal to the number of real servers.
Based on the hardware architecture, the embodiment of the real-time clock providing method of the server is provided.
Referring to fig. 2, fig. 2 is a first embodiment of a real-time clock providing method of a server according to the present invention, where the server includes a virtual server and an actual server, and the real-time clock providing method of the server includes the following steps:
step S1, when the server receives the requests for obtaining time sent by a plurality of WiFi modules, selecting the corresponding virtual server to respectively establish connection with the plurality of WiFi modules;
in this embodiment, the server includes a plurality of virtual servers and a plurality of real servers, and the number of the virtual servers is greater than or equal to the number of the real servers. The virtual server can be divided into a plurality of virtual devices, the real server can be divided into a plurality of real devices, and further the virtual devices can be respectively in communication connection with the WiFi module and the real devices. Preferably, the number of the virtual devices is greater than or equal to the number of the actual devices, for example, the number of the virtual devices is 100, and the number of the actual devices is 20, so that the virtual devices correspond to an added virtual middle layer, which can allow 100 WiFi modules to be connected simultaneously, and can also accommodate 20 actual devices, so that the number of connections for the WiFi modules is not limited by the actual devices, thereby meeting the requirement that a plurality of WiFi modules access the server simultaneously.
In this embodiment, the WiFi modules are built in household appliances such as an air conditioner, and when a large-scale power failure occurs, a large number of WiFi modules of the household appliances acquire a real-time clock from a server at the same time, and when the server receives a plurality of requests for acquiring time sent by the WiFi modules, the server may select corresponding virtual servers according to a preset algorithm to establish connection with the plurality of WiFi modules respectively, that is, each WiFi module may establish connection with one virtual device of the plurality of virtual servers. Wherein, the preset algorithm is preferably a random algorithm. A virtual device is randomly selected through a random algorithm to be connected with the WiFi module, so that the situation that a plurality of WiFi modules are connected to the same server at the same time is avoided.
Step S2, when the connection between the virtual server and the WiFi module is completed, the virtual server routes to a corresponding actual server according to the area to which the WiFi module belongs;
in this embodiment, when the virtual server is connected to the WiFi modules, the virtual server obtains an area to which each WiFi module belongs and an actual server corresponding to the area. And when the connection between the virtual server and the WiFi module is finished, the virtual server forwards a time acquisition request sent by the WiFi module to the actual server. Specifically, when sending a request for obtaining time to the actual device, the virtual server routes to the corresponding actual server according to the area to which the WiFi module belongs. For example, when the WiFi module belongs to the region of china, it will be routed to a server deployed in china; and when the WiFi module belongs to the region of the United states, the WiFi module is routed to a server of the United states.
And step S3, the real-time server returns a real-time clock to the WiFi module through the virtual server.
In this embodiment, when the real server receives the request for obtaining the time, the real server provides a real-time clock to the virtual server, and then returns the real-time clock to the WiFi module through the virtual server.
The Real Time Clock is abbreviated RTC (Real Time Clock), which is an integrated circuit, commonly referred to as a Clock chip. The clock chip is one of the most widely used consumer electronic products in daily life, and provides accurate real-time for people or provides an accurate time reference for an electronic system. At present, most clock chips adopt a crystal oscillator with higher precision as a clock source, and some clock chips can work when a main power supply is powered off and need to be supplied with power by an additional battery.
According to the real-time clock providing method of the server, when the server receives the time obtaining requests sent by the WiFi modules, the corresponding virtual server is selected to be respectively connected with the WiFi modules, then when the connection between the virtual server and the WiFi modules is completed, the virtual server is routed to the corresponding actual server according to the area to which the WiFi modules belong, and finally the actual server returns a real-time clock to the WiFi modules through the virtual server. Therefore, when a large number of WiFi modules acquire the real-time clock from the server at the same time, the server can be prevented from being paralyzed.
Referring to fig. 3, in the second embodiment, based on the first embodiment shown in fig. 2, the step S3 is further preceded by:
step S4, the real server obtains the access amount of the virtual server;
in this embodiment, when the virtual server and the WiFi modules are connected, if the virtual server receives requests for obtaining time sent by the WiFi modules, the virtual server corresponds to multiple access amounts, and naturally, when the virtual server receives other requests, the corresponding access amounts are calculated in the same way.
And step S5, carrying out priority ordering on the virtual servers according to the access amount of the virtual servers.
In this embodiment, when the access amount of the virtual server is larger, the priority of the corresponding virtual server is lower; and when the access amount of the virtual server is less, the priority of the corresponding virtual server is higher.
Referring to fig. 3, in the third embodiment, based on the second embodiment, the step S3 includes:
step S31, the real server acquires the virtual server with the lowest priority;
and step S32, returning a real-time clock to the WiFi module through the virtual server with the lowest priority.
In this embodiment, when receiving the request for obtaining the time forwarded by the virtual server, the real server obtains a virtual server with a lowest priority among the virtual servers, that is, the virtual server with a lowest access amount is selected. And returning a real-time clock to the WiFi module through the virtual server with the lowest priority. Therefore, the success rate of returning the real-time clock to the WiFi module of the household appliance can be improved, the real-time clock is prevented from being provided for the household appliance with poor network condition by the actual server, and the stability of communication is ensured.
Preferably, the time format provided by the real-time clock is a json format, and the format is easy to read and write by people and easy to analyze and generate by a machine, so that the network transmission efficiency can be effectively improved.
The present invention also provides a server comprising a processor, a memory and a real-time clock providing program of the server stored on the memory and operable on the processor, wherein the real-time clock providing program of the server, when executed by the processor, implements the steps of the real-time clock providing method of the server as described above.
The invention also provides household electrical appliance equipment which is provided with a WIFI module, wherein the WIFI module is used for sending a time acquisition request to a server and receiving a real-time clock returned by an actual server of the server through a virtual server when the virtual server of the server is connected with the WIFI module. Preferably, the household appliance is an air conditioner.
Referring to fig. 4, the present invention further provides a real-time clock providing system 100, which includes the server 1 as described above, and the home appliance 2 as described above.
The present invention also provides a computer-readable storage medium storing a real-time clock providing program of a server, which when executed by a processor, implements the steps of the real-time clock providing method of the server as described above.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (11)
1. A real-time clock providing method of a server, wherein the server comprises a virtual server and a real server, the real-time clock providing method of the server comprises the following steps:
when the server receives requests for acquiring time sent by a plurality of WiFi modules, the virtual servers are respectively connected with the WiFi modules according to a random algorithm;
when the virtual server is connected with the WiFi module, the virtual server routes to a corresponding actual server according to the area to which the WiFi module belongs, wherein the actual servers belong to different areas;
and the real-time server returns a real-time clock to the WiFi module through the virtual server.
2. The method for providing a real-time clock of a server according to claim 1, wherein the step of routing the virtual server to the corresponding real server according to the area to which the WiFi module belongs when the connection between the virtual server and the WiFi module is completed further comprises:
and the virtual server acquires the area to which each WiFi module belongs and the actual server corresponding to the area.
3. The real-time clock providing method of the server as claimed in claim 1, wherein the step of the real server returning the real-time clock to the WiFi module through the virtual server further comprises:
the real server acquires the access amount of the virtual server;
and carrying out priority sequencing on the virtual servers according to the access amount of the virtual servers.
4. The real-time clock providing method of the server as claimed in claim 3, wherein the step of the real server returning the real-time clock to the WiFi module through the virtual server comprises:
the real server acquires the virtual server with the lowest priority;
and returning a real-time clock to the WiFi module through the virtual server with the lowest priority.
5. The real time clock providing method of the server as claimed in claim 1, wherein the real time clock provides time in a json format.
6. The real time clock providing method of the server according to claim 1, wherein the number of the virtual servers is greater than or equal to the number of the real servers.
7. A server, characterized in that the server comprises a processor, a memory and a real-time clock providing program of the server stored on the memory and operable on the processor, which when executed by the processor implements the steps of the real-time clock providing method of the server according to any one of claims 1-6.
8. The household appliance is characterized by comprising a WIFI module, wherein the WIFI module is used for sending a time acquisition request to a server, and when a plurality of virtual servers are respectively connected with a plurality of WiFi modules according to a random algorithm, the virtual servers determine an actual server according to the area to which the WIFI module belongs and receive a real-time clock returned by the actual server through the virtual servers, wherein the actual servers belong to different areas.
9. The home device of claim 8, wherein the home device is an air conditioner.
10. A system for providing a real-time clock, the system comprising the server according to claim 7 and the home appliance according to any one of claims 8 to 9.
11. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a real-time clock providing program of a server, which when executed by a processor implements the steps of the real-time clock providing method of the server according to any one of claims 1 to 6.
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| CN108737567A (en) | 2018-11-02 |
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