CN116708459A - Service access automatic switching method, system, computer equipment and storage medium - Google Patents
Service access automatic switching method, system, computer equipment and storage medium Download PDFInfo
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- CN116708459A CN116708459A CN202310901328.XA CN202310901328A CN116708459A CN 116708459 A CN116708459 A CN 116708459A CN 202310901328 A CN202310901328 A CN 202310901328A CN 116708459 A CN116708459 A CN 116708459A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000004044 response Effects 0.000 claims abstract description 27
- 230000004048 modification Effects 0.000 claims description 27
- 238000012986 modification Methods 0.000 claims description 27
- 238000004590 computer program Methods 0.000 claims description 13
- 238000012423 maintenance Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004883 computer application Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1034—Reaction to server failures by a load balancer
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1023—Server selection for load balancing based on a hash applied to IP addresses or costs
Abstract
The application discloses a service access automatic switching method, a system, computer equipment and a storage medium, wherein the method comprises the following steps: receiving an input access instruction; judging whether the priority list has a server address or not; if yes, accessing the server address of the priority list according to the access instruction; if not, accessing one of the server addresses in the standby list according to the access instruction; judging whether the accessed server responds normally or not; if yes, outputting a response result; if not, revisiting the next server address in the standby list according to the access instruction, and returning to the step of judging whether the accessed server normally responds or not until all the server addresses in the standby list are accessed; and (5) updating and recording the server address which outputs the response result into a priority list. The application can automatically switch the servers to realize access fault tolerance, and has simple configuration and low cost.
Description
Technical Field
The present application relates to the field of service access technologies, and in particular, to a method, a system, a computer device, and a storage medium for automatically switching service access.
Background
Modern computer application systems ensure high availability of the system by establishing a server cluster. I.e. multiple servers are pooled together to perform the same service, and appear to the client as if there is only one server. If one server in the cluster is unavailable due to error or maintenance, the other server will immediately provide service to achieve fault tolerance. A user accessing a service may continue to access without being aware that the service has been provided by another server.
To build a server cluster requires purchasing and configuring cluster software, and therefore has the following drawbacks: 1. the cost is high; 2. the configuration is complicated.
Disclosure of Invention
The application aims to provide a service access automatic switching method, a system, computer equipment and a storage medium, which can automatically switch servers to realize access fault tolerance, and are simple in configuration and low in cost.
To achieve the purpose, the application adopts the following technical scheme:
the service access automatic switching method comprises the following steps:
receiving an input access instruction;
judging whether the priority list has a server address, wherein the priority list can only have one server address at most;
if yes, accessing the server address of the priority list according to the access instruction;
if not, accessing one server address in the standby list according to the access instruction, wherein the standby list is provided with a plurality of server addresses;
judging whether the accessed server responds normally or not;
if yes, outputting a response result;
if not, revisiting the next server address in the standby list according to the access instruction, and returning to the step of judging whether the accessed server normally responds or not until all the server addresses in the standby list are accessed;
and (5) updating and recording the server address which outputs the response result into a priority list.
As a preferred scheme of the service access automatic switching method, if not, sequentially accessing the next server address in the standby list according to the access instruction; and returning to the step of judging whether the accessed server normally responds until all the server addresses in the standby list are accessed, wherein the step comprises the following steps:
judging whether all server addresses in the complete use list are accessed or not;
if yes, judging whether a response result is output;
if not, outputting an access failure result.
As a preferred embodiment of the service access automatic switching method, before the step of receiving the input access instruction, the method includes:
receiving an input access server address modification instruction;
and modifying the server addresses in the standby list according to the access server address modification instruction.
As a preferred embodiment of the service access automatic switching method, before the step of receiving the input access instruction, the method includes:
receiving an input priority server address modification instruction;
and modifying the server addresses in the priority list according to the priority server address modification instruction.
The application also provides a service access automatic switching system, which comprises:
a first receiving unit for receiving an input access instruction;
a first judging unit for judging whether the priority list has a server address;
the first access unit is used for accessing the server address of the priority list according to the access instruction;
the second access unit is used for accessing one server address in the standby list according to the access instruction;
the second judging unit is used for judging whether the accessed server responds normally or not;
a first output unit for outputting a response result;
the circulation unit is used for revisiting the address of the next server in the standby list according to the access instruction, and returning to the step of judging whether the accessed server normally responds or not until all the addresses of the servers in the standby list are accessed;
and the recording unit is used for recording the server address update of the output response result into the priority list.
As a preferred embodiment of the service access automatic switching system, the method further comprises:
a third judging unit for judging whether all server addresses in the complete list have been accessed;
a fourth judging unit for judging whether the response result has been output;
and the second output unit is used for outputting an access failure result.
As a preferred embodiment of the service access automatic switching system, the method further comprises:
a second receiving unit, configured to receive an input access server address modification instruction;
and the first modification unit is used for modifying the server addresses in the standby list according to the access server address modification instruction.
As a preferred embodiment of the service access automatic switching system, the method further comprises:
a third receiving unit for receiving an input priority server address modification instruction;
and the second modifying unit is used for modifying the server addresses in the priority list according to the priority server address modifying instruction.
The application also provides a computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of the service access automatic switching method as described in any one of the above.
The present application also provides a computer-readable storage medium having stored thereon a computer program, characterized in that the computer program, when executed by a processor, implements the steps of the service access automatic switching method according to any of the above.
The application has the beneficial effects that: the service access automatic switching method, the system, the computer and the storage medium provided by the application do not need to purchase and install cluster software, and when one server is unavailable due to error or maintenance, the server can be automatically switched to the other server so as to realize fault tolerance, and the configuration is simple and the cost is low; meanwhile, the application sets the priority list and the standby list, and finally the server addresses which are accessed successfully are recorded in the priority list, so that the direct success rate of the next access is improved, the response rate is improved, and the standby list is provided with a plurality of server addresses and can be used for switching standby, thereby improving the fault tolerance rate.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below. It is evident that the drawings described below are only some embodiments of the present application and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a flow chart of a method for automatically switching service access according to an embodiment of the present application;
FIG. 2 is a block diagram schematically illustrating a service access auto-switching system according to an embodiment of the present application;
FIG. 3 is a block diagram of a computer device according to an embodiment of the present application;
the achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
Embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
Other advantages and effects of the present disclosure will become readily apparent to those skilled in the art from the following disclosure, which describes embodiments of the present disclosure by way of specific examples. It will be apparent that the described embodiments are merely some, but not all embodiments of the present disclosure. The disclosure may be embodied or practiced in other different specific embodiments, and details within the subject specification may be modified or changed from various points of view and applications without departing from the spirit of the disclosure. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, based on the embodiments in this disclosure are intended to be within the scope of this disclosure.
Referring to fig. 1, an embodiment of the present application provides a service access automatic switching method, including:
s1: receiving an input access instruction;
s2: judging whether the priority list has a server address, wherein the priority list can only have one server address at most;
s3: if yes, accessing the server address of the priority list according to the access instruction; if not, accessing one server address in the standby list according to the access instruction, wherein the standby list is provided with a plurality of server addresses;
s4: judging whether the accessed server responds normally or not;
s5: if yes, outputting a response result; if not, revisiting the next server address in the standby list according to the access instruction, and returning to the step of judging whether the accessed server normally responds or not until all the server addresses in the standby list are accessed;
s6: and (5) updating and recording the server address which outputs the response result into a priority list.
In step S1, the first receiving unit receives an input access instruction, where the access instruction is an instruction of a query or search input by a user through a client such as a computer or a mobile phone.
As described in step S2, the server addresses of the priority list are used for priority access, and the first determining unit is configured to determine whether the priority list has a record server address, where at most only one server address in the priority list can be used.
In step S3, if the priority list records the server address, the first access unit accesses the server address of the priority list according to the input access command, for example: and according to the inquiry or search instruction input by the client side such as a computer or a mobile phone, the server is accessed by inquiry or search.
If the priority list does not record the server address, the second access unit accesses one of the server addresses in the standby list according to the access instruction, wherein the standby list is provided with a plurality of different server addresses so as to improve the fault tolerance;
in step S4, the second determining unit is configured to determine whether the accessed server responds normally, that is, whether the server responds normally after the server performs access such as query or search according to a query or search instruction input by a client such as a computer or a mobile phone.
In step S5, after the server is accessed, such as querying or searching, according to the query or searching command input by the client, such as a computer or a mobile phone, if the server responds normally, the first output unit outputs and displays the response result of the server to the user of the client.
If the accessed server does not respond normally, for example: the service is invalid or has no response for a long time, overtime, and exceeds the set longest response time, the circulation unit revisits the next server address in the standby list according to the access instruction, and returns to the step S4 of judging whether the accessed server normally responds or not until all the server addresses in the standby list are accessed; the cyclic unit can access the server addresses in the standby list sequentially or randomly and not repeatedly.
In step S6, the recording unit updates and records the server address that outputs the response result to the priority list, thereby improving the direct success rate of the next access and increasing the response rate.
In the embodiment, cluster software is not required to be purchased and installed, and when one server is unavailable due to error or maintenance, the server can be automatically switched to the other server to realize fault tolerance, and the configuration is simple and the cost is low; meanwhile, the application sets the priority list and the standby list, and finally the server addresses which are accessed successfully are recorded in the priority list, so that the direct success rate of the next access is improved, the response rate is improved, and the standby list is provided with a plurality of server addresses and can be used for switching standby, thereby improving the fault tolerance rate.
In some embodiments, if not, sequentially accessing a next server address in the standby list according to the access instruction; and returning to the step of judging whether the accessed server normally responds until all the server addresses in the standby list are accessed, wherein the step comprises the following steps:
s51: judging whether all server addresses in the complete use list are accessed or not;
s52: if yes, judging whether a response result is output;
and S53, if not, outputting an access failure result.
As described in steps S51 to S53, the third judging unit judges whether all server addresses in the complete list have been accessed; if yes, the fourth judging unit judges whether the answer is obtained after all the servers are accessed and outputs the answer result, if not, the second output unit outputs the access failure result, such as outputting a prompt for displaying the access failure, or prompting to try access later.
In some embodiments, before the step S1 of receiving the input access instruction, the method includes:
s11: receiving an input access server address modification instruction;
s12: and modifying the server addresses in the standby list according to the access server address modification instruction.
As described in steps S11 to S12, the second receiving unit receives an access server address modification instruction for adding or deleting a server, which is input by a management maintenance person; the first modifying unit modifies the server address in the standby list according to the access server address modifying instruction, so that the accessed server is added or deleted.
In some embodiments, before the step S1 of receiving the input access instruction, the method includes:
s13: receiving an input priority server address modification instruction;
s14: and modifying the server addresses in the priority list according to the priority server address modification instruction.
As described in steps S13 to S14, the third receiving unit receives a priority server address modification instruction input by the management maintenance personnel for modifying or adding the server address in the priority list; the second modifying unit modifies or increases the server addresses in the priority list according to the priority server address modifying instruction, thereby changing the server accessed first next time.
Referring to fig. 2, the present application further provides a service access automatic switching system, including:
a first receiving unit for receiving an input access instruction;
a first judging unit for judging whether the priority list has a server address;
the first access unit is used for accessing the server address of the priority list according to the access instruction;
the second access unit is used for accessing one server address in the standby list according to the access instruction;
the second judging unit is used for judging whether the accessed server responds normally or not;
a first output unit for outputting a response result;
the circulation unit is used for revisiting the address of the next server in the standby list according to the access instruction, and returning to the step of judging whether the accessed server normally responds or not until all the addresses of the servers in the standby list are accessed;
and the recording unit is used for recording the server address update of the output response result into the priority list.
In some embodiments, the service access automatic switching system further comprises:
a third judging unit for judging whether all server addresses in the complete list have been accessed;
a fourth judging unit for judging whether the response result has been output;
and the second output unit is used for outputting an access failure result.
In some embodiments, the service access automatic switching system further comprises:
a second receiving unit, configured to receive an input access server address modification instruction;
and the first modification unit is used for modifying the server addresses in the standby list according to the access server address modification instruction.
In some embodiments, the service access automatic switching system further comprises:
a third receiving unit for receiving an input priority server address modification instruction;
and the second modifying unit is used for modifying the server addresses in the priority list according to the priority server address modifying instruction.
Referring to fig. 3, in an embodiment of the present application, there is further provided a computer device, which may be a server, and an internal structure thereof may be as shown in fig. 3. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the computer is configured to provide computing and control capabilities. The memory of the computer device includes a storage medium, an internal memory. The storage medium stores an operating system, computer programs, and a database. The memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the computer device is used to store server addresses, access records, etc. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program, when executed by a processor, may implement the service access automatic switching method described in any of the above embodiments.
It will be appreciated by those skilled in the art that the architecture shown in fig. 3 is merely a block diagram of a portion of the architecture in connection with the present inventive arrangements and is not intended to limit the computer devices to which the present inventive arrangements are applicable.
The embodiment of the application also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, can implement the service access automatic switching method described in any of the above embodiments.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by hardware associated with a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium provided by the present application and used in embodiments may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), dual speed data rate SDRAM (SSRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
In the description of the present application, it should be understood that the terms "middle," "length," "upper," "lower," "front," "rear," "vertical," "horizontal," "inner," "outer," "radial," "circumferential," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the application.
In the present application, unless expressly stated or limited otherwise, a first feature "on" a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. The meaning of "a plurality of" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The above description is for the purpose of illustrating the embodiments of the present application and is not to be construed as limiting the application, but is intended to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principles of the application.
Claims (10)
1. A service access automatic switching method, characterized by comprising:
receiving an input access instruction;
judging whether the priority list has a server address, wherein the priority list can only have one server address at most;
if yes, accessing the server address of the priority list according to the access instruction; if not, accessing one server address in the standby list according to the access instruction, wherein the standby list is provided with a plurality of server addresses;
judging whether the accessed server responds normally or not;
if yes, outputting a response result; if not, revisiting the next server address in the standby list according to the access instruction, and returning to the step of judging whether the accessed server normally responds or not until all the server addresses in the standby list are accessed;
and (5) updating and recording the server address which outputs the response result into a priority list.
2. The service access automatic switching method according to claim 1, wherein if not, the next server address in the standby list is sequentially accessed according to an access instruction; and returning to the step of judging whether the accessed server normally responds until all the server addresses in the standby list are accessed, wherein the step comprises the following steps:
judging whether all server addresses in the complete use list are accessed or not;
if yes, judging whether a response result is output;
if not, outputting an access failure result.
3. The service access automatic switching method according to claim 1, comprising, before the step of receiving the input access instruction:
receiving an input access server address modification instruction;
and modifying the server addresses in the standby list according to the access server address modification instruction.
4. The service access automatic switching method according to claim 1, comprising, before the step of receiving the input access instruction:
receiving an input priority server address modification instruction;
and modifying the server addresses in the priority list according to the priority server address modification instruction.
5. A service access automatic switching system, comprising:
a first receiving unit for receiving an input access instruction;
a first judging unit for judging whether the priority list has a server address;
the first access unit is used for accessing the server address of the priority list according to the access instruction;
the second access unit is used for accessing one server address in the standby list according to the access instruction;
the second judging unit is used for judging whether the accessed server responds normally or not;
a first output unit for outputting a response result;
the circulation unit is used for revisiting the address of the next server in the standby list according to the access instruction, and returning to the step of judging whether the accessed server normally responds or not until all the addresses of the servers in the standby list are accessed;
and the recording unit is used for recording the server address update of the output response result into the priority list.
6. The service access automatic switching system according to claim 5, further comprising:
a third judging unit for judging whether all server addresses in the complete list have been accessed;
a fourth judging unit for judging whether the response result has been output;
and the second output unit is used for outputting an access failure result.
7. The service access automatic switching system according to claim 5, further comprising:
a second receiving unit, configured to receive an input access server address modification instruction;
and the first modification unit is used for modifying the server addresses in the standby list according to the access server address modification instruction.
8. The service access automatic switching system according to claim 5, further comprising:
a third receiving unit for receiving an input priority server address modification instruction;
and the second modifying unit is used for modifying the server addresses in the priority list according to the priority server address modifying instruction.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the service access automatic switching method according to any one of claims 1 to 7 when the computer program is executed.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the service access automatic switching method according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310901328.XA CN116708459A (en) | 2023-07-20 | 2023-07-20 | Service access automatic switching method, system, computer equipment and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310901328.XA CN116708459A (en) | 2023-07-20 | 2023-07-20 | Service access automatic switching method, system, computer equipment and storage medium |
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| CN116708459A true CN116708459A (en) | 2023-09-05 |
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| CN202310901328.XA Pending CN116708459A (en) | 2023-07-20 | 2023-07-20 | Service access automatic switching method, system, computer equipment and storage medium |
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