CN114553791A - External interface current limiting method and device, electronic equipment and storage medium - Google Patents
External interface current limiting method and device, electronic equipment and storage medium Download PDFInfo
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- CN114553791A CN114553791A CN202210060026.XA CN202210060026A CN114553791A CN 114553791 A CN114553791 A CN 114553791A CN 202210060026 A CN202210060026 A CN 202210060026A CN 114553791 A CN114553791 A CN 114553791A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/26—Flow control; Congestion control using explicit feedback to the source, e.g. choke packets
- H04L47/263—Rate modification at the source after receiving feedback
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- G06F16/284—Relational databases
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
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- H04L47/215—Flow control; Congestion control using token-bucket
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Abstract
The application relates to an external interface current limiting method, an external interface current limiting device, electronic equipment and a storage medium, wherein the external interface current limiting method comprises the following steps: under the condition that a preset external interface receives a calling party access request, acquiring unique identification information of a calling party; determining the configuration information of the calling party based on the acquired unique identification information; determining a rate of throttling of the preset external interface when directed to the caller based on the determined configuration information. According to the method and the device, the preset external interface receives the calling party access request, and the current limiting rate of the preset external interface receiving the calling party is dynamically adjusted based on the configuration information of the calling party, so that the external interface configures the appropriate access rate corresponding to the calling party with different access volumes, and the whole access efficiency is optimal.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a method and an apparatus for limiting a current for an external interface, an electronic device, and a storage medium.
Background
When the interface provides service to the outside, the interface needs to be protected, and system paralysis caused by too large concurrence is avoided.
For a small amount of externally open interfaces, the current interface current limiting method is to set a fixed access rate for callers with different access volumes, so that the overall access efficiency cannot reach the optimum.
Disclosure of Invention
The embodiment of the application provides a method and a device for limiting the current of an external interface, electronic equipment and a storage medium, so as to at least solve the technical problem.
One aspect of the present application provides an external interface current limiting method, where the method includes:
under the condition that a preset external interface receives a calling party access request, acquiring unique identification information of a calling party;
determining the configuration information of the calling party based on the acquired unique identification information;
determining a rate of throttling of the preset external interface when directed to the caller based on the determined configuration information.
In an embodiment, the determining, based on the determined configuration information, a rate of throttling of the preset external interface when directed to the caller comprises:
determining interface path information based on the determined configuration information;
positioning a corresponding server through the determined interface path information;
and determining the current limiting rate of the preset external interface under the positioned service end when aiming at the calling party.
In an embodiment, the determining, based on the determined configuration information, a rate of throttling of the preset external interface when directed to the caller comprises:
determining a heat level characterizing the caller activity based on the configuration information;
determining a rate of throttling of the preset external interface when directed to the caller based on the determined heat level.
In an embodiment, the determining, based on the determined heat level, a rate of throttling of the preset external interface when directed to the caller comprises:
determining an adjustment value for modifying the current limit rate based on the determined heat level;
based on the determined adjustment value, the current limit rate of the preset external interface when aiming at the caller is increased or decreased in a timed mode.
In an implementation manner, in a case where the external interface receives the caller access request, the method further includes:
and if the access times of the calling party exceed a specified threshold value within a preset time period, feeding back a processing result representing that the access is stopped.
In one possible embodiment, the configuration information is stored in a MySQL database.
Another aspect of the present application provides an external interface current limiting apparatus, the apparatus including:
the first processing module is used for acquiring the unique identification information of a calling party under the condition that a preset external interface receives a calling party access request;
the second processing module is used for determining the configuration information of the calling party based on the acquired unique identification information;
a third processing module, configured to determine, based on the determined configuration information, a current limiting rate of the preset external interface when aiming at the caller.
In an implementation manner, in a case where the preset external interface receives the caller access request, the first processing module is further specifically configured to:
and if the access times of the calling party exceed a specified threshold value within a preset time period, feeding back a processing result representing that the access is stopped.
Another aspect of the application provides an electronic device comprising a memory having a computer program stored therein and a processor configured to execute the computer program to perform the method of any one of the above.
Another aspect of the application provides a storage medium having a computer program stored thereon, wherein the computer program is arranged to perform the method according to any of the above when executed.
Compared with the prior art, the method and the device have the advantages that the preset external interface receives the calling party access request, the current limiting rate of the preset external interface receiving the calling party is dynamically adjusted based on the configuration information of the calling party, the external interface is enabled to configure the proper access rate corresponding to the calling party with different access quantities, and accordingly the whole access efficiency is enabled to be optimal.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic flow chart illustrating an implementation of a method for limiting a current of an external interface according to an embodiment of the present application;
FIG. 2 is a flow chart of task invocation incorporating a token bucket algorithm in a method of external interface throttling according to an embodiment of the present application;
FIG. 3 is a flow chart illustrating the structure of an external interface current limiting device according to an embodiment of the present disclosure;
fig. 4 is an internal structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided in the present application without any inventive step are within the scope of protection of the present application. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms referred to herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar words throughout this application are not to be construed as limiting in number, and may refer to the singular or the plural. The present application is directed to the use of the terms "including," "comprising," "having," and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Reference to "connected," "coupled," and the like in this application is not intended to be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Reference herein to "a plurality" means greater than or equal to two. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. Reference herein to the terms "first," "second," "third," and the like, are merely to distinguish similar objects and do not denote a particular ordering for the objects.
As shown in fig. 1, a method for limiting a current of an external interface provided by the present application includes:
102, determining configuration information of a calling party based on the acquired unique identification information;
and 103, determining the current limiting rate of the preset external interface when the preset external interface is directed to the calling party based on the determined configuration information.
In this embodiment, in step 101, the external interface is specifically an externally exposed interface, and may be preset in the server to be provided for the caller registered in the present service to use, where the caller may specifically be a user terminal device or a third party application, and the unique identification information of the registered caller is stored in the local information base in advance, where the unique identification information may be a caller name, a service registration id, and the like.
When the external interface receives an access request of a caller, unique identification information such as the caller name, the service registration id and the like can be determined.
In step 102, after the unique identification information of the calling party is acquired, the configuration information of the calling party is queried by using the unique identification information as a retrieval field. The configuration information may specifically include a corresponding interface path, an access rate, a heat level, and the like, and may be configured in advance by a corresponding operator and stored in a corresponding database, and the corresponding database is preferably a MySQL database.
In step 103, after the configuration information is obtained, at least one piece of information in the configuration information may be specifically selected, and the current limiting rate of the preset external interface when receiving the caller access request is adjusted, taking the selection of the heat level as an example, when the heat level of the caller is level a, it indicates that the caller has a high frequency of accessing the service, and then the current limiting rate of the external interface when receiving the caller access request is increased, for example, to 100 times/minute; conversely, when the popularity level of the caller is level D, which indicates that the caller has a low frequency of accessing the service, the flow limiting rate of the external interface in receiving the caller access request is reduced, for example, to 10 times/minute.
Therefore, the preset external interface receives the calling party access request, and dynamically adjusts the current limiting rate of the preset external interface receiving the calling party based on the configuration information of the calling party, so that the external interface configures proper access rates corresponding to the calling parties with different access volumes, and the whole access efficiency is optimal.
In one embodiment, determining a current limiting rate of the external interface when the external interface is specific to the caller based on the determined configuration information includes:
determining interface path information based on the determined configuration information;
positioning a corresponding server through the determined interface path information;
and determining the current limiting rate of a preset external interface under the positioned service end when aiming at the calling party.
In this embodiment, the existing services are basically clustered, that is, there are multiple service terminals, and thus the specific process of step 103 includes:
and acquiring corresponding interface path information from the configuration information of the calling party, positioning to a corresponding server based on the interface path information, and further adjusting the current limiting rate of an external interface under the server when the external interface is directed at the calling party.
In one embodiment, determining a current limiting rate of the external interface when the external interface is specific to the caller based on the determined configuration information includes:
determining a heat level representing the activity of the calling party based on the configuration information;
based on the determined heat level, a current limit rate of the preset external interface when directed to the caller is determined.
In this embodiment, the specific process of step 103 further includes:
and selecting a heat level representing the activity of the calling party from the configuration information corresponding to the calling party, wherein the heat level can be set in advance according to the historical access amount of the calling party through an operation end.
Based on the heat level of each caller, a corresponding throttling rate is set for each caller's external interface.
In one embodiment, determining a current limiting rate of the preset external interface when aiming at the caller based on the determined heat level comprises:
determining an adjustment value for modifying the current limit rate based on the determined heat level;
based on the determined adjustment value, the current limit rate of the preset external interface when aiming at the calling party is increased or decreased in a timed mode.
In this embodiment, based on the heat level corresponding to each caller, the specific process of determining the current limiting rate is as follows:
after the popularity level of the caller is obtained, the throttling rate adjustment value of the caller for the popularity level is determined, for example, when the popularity level of the caller is class a, the corresponding adjustment value may be 30 times.
After determining the adjustment value, the current limiting rate of the external interface at the calling party is increased or decreased by every minute, for example, when the heat level of the calling party is class a, the current limiting rate is increased by 30 times/minute based on the original current limiting rate of the calling party according to the frequency of once per minute.
In an implementation manner, in a case where the external interface receives the caller access request, the method further includes:
and if the access times of the calling party exceed a specified threshold value within a preset time period, feeding back a processing result representing that the access is stopped.
In this embodiment, when a preset external interface receives a caller access request, it is determined whether the number of accesses of the caller in a preset time period has reached a specified threshold, and if so, the caller is denied access, and a corresponding processing result is generated and fed back to achieve the purpose of limiting the current; on the contrary, if the determination result is no, 1 is subtracted from the original access frequency until the access frequency reaches a specified threshold, wherein the specified threshold is preferably 0.
As shown in fig. 2, after determining the throttling rate of the caller, task scheduling may be implemented by combining a token algorithm, and the overall process is as follows:
and the operation terminal respectively configures final access current limiting rates in the MySQL database for different calling parties through a preset program.
When a calling party accesses the service of the service end, the task scheduling framework reads the access current limiting rate of the calling party from the MySQL database at regular time and generates tokens with corresponding quantity.
And the task scheduling framework sends the generated token to a Redis database, the business service acquires the token from the Redis database, when the token is stored in the Redis database, the business service grants the access of the caller, otherwise, when the token is not stored in the Redis database, the business service denies the access of the caller.
The light-weight system can be realized through the Redis + MySQL + distributed task scheduling framework, and can deal with a small number of client groups.
As shown in fig. 3, another aspect of the present application provides an external interface current limiting device, including:
the first processing module 201 is configured to obtain unique identification information of a caller when a preset external interface receives a caller access request;
the second processing module 202 is configured to determine configuration information of the calling party based on the acquired unique identification information;
a third processing module 203, configured to determine, based on the determined configuration information, a current limiting rate of the preset external interface when aiming at the caller.
In this embodiment, in the first processing module 201, the external interface is specifically an interface exposed to the outside, and may be preset in the server to be provided for a caller registered in the service to use, where the caller may specifically be a user terminal device or a third party application, and the unique identification information of the registered caller is stored in the local information base in advance, where the unique identification information may be a caller name, a service registration id, and the like.
When the external interface receives an access request of a caller, unique identification information such as the caller name, the service registration id and the like can be determined.
In the second processing module 202, after the unique identification information of the caller is acquired, the configuration information of the caller is queried by using the unique identification information as a retrieval field. The configuration information may specifically include a corresponding interface path, an access rate, a heat level, and the like, and may be configured in advance by a corresponding operator and stored in a corresponding database, where the corresponding database is preferably a MySQL database.
In the third processing module 203, after the configuration information is obtained, at least one piece of information in the configuration information may be specifically selected, and the current limiting rate of the preset external interface when receiving the caller access request is adjusted, taking the selection of the heat level as an example, when the heat level of the caller is level a, it indicates that the caller has a high frequency of accessing the service, and then the current limiting rate of the external interface when receiving the caller access request is increased, for example, to 100 times/minute; conversely, when the popularity level of the caller is level D, which indicates that the caller has a low frequency of accessing the service, the flow limiting rate of the external interface in receiving the caller access request is reduced, for example, to 10 times/minute.
Therefore, the preset external interface receives the calling party access request, and dynamically adjusts the current limiting rate of the preset external interface receiving the calling party based on the configuration information of the calling party, so that the external interface configures proper access rates corresponding to the calling parties with different access volumes, and the whole access efficiency is optimal.
In an implementation manner, in a case that the preset external interface receives the caller access request, the first processing module 201 is further specifically configured to:
and if the access times of the calling party exceed a specified threshold value within a preset time period, feeding back a processing result representing that the access is stopped.
In this embodiment, when a preset external interface receives a caller access request, it is determined whether the number of accesses of the caller in a preset time period has reached a specified threshold, and if so, the caller is denied access, and a corresponding processing result is generated and fed back to achieve the purpose of limiting the current; on the contrary, if the determination result is no, 1 is subtracted from the original access frequency until the access frequency reaches a specified threshold, wherein the specified threshold is preferably 0.
In an implementation manner, the third processing module 203 is specifically configured to:
determining interface path information based on the determined configuration information;
positioning a corresponding server through the determined interface path information;
and determining the current limiting rate of a preset external interface under the positioned service end when aiming at the calling party.
In an implementation manner, the third processing module 203 is further specifically configured to:
determining a heat level representing the activity of the calling party based on the configuration information;
based on the determined heat level, a current limit rate of the preset external interface when directed to the caller is determined.
In an embodiment, the third processing module 203, when performing the determining, based on the determined heat level, of the current limiting rate of the preset external interface when aiming at the caller, is specifically configured to:
determining an adjustment value for modifying the current limit rate based on the determined heat level;
based on the determined adjustment value, the current limit rate of the preset external interface when aiming at the calling party is increased or decreased in a timed mode.
It should be noted that the above modules may be functional modules or program modules, and may be implemented by software or hardware. For a module implemented by hardware, the modules may be located in the same processor; or the modules can be respectively positioned in different processors in any combination.
It should be noted that, for specific examples in this embodiment, reference may be made to examples described in the foregoing embodiments and optional implementations, and details of this embodiment are not described herein again.
In addition, in combination with the external interface current limiting method in the foregoing embodiments, the embodiments of the present application may provide a storage medium to implement. The storage medium has a computer program stored thereon; the computer program, when executed by a processor, implements any of the external interface current limiting methods of the above embodiments.
An embodiment of the present application also provides an electronic device, which may be a terminal. The electronic device comprises a processor, a memory, a network interface, a display screen and an input device which are connected through a system bus. Wherein the processor of the electronic device is configured to provide computing and control capabilities. The memory of the electronic equipment comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the electronic device is used for connecting and communicating with an external terminal through a network. The computer program is executed by a processor to implement an external interface current limiting method. The display screen of the electronic equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the electronic equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the electronic equipment, an external keyboard, a touch pad or a mouse and the like.
In one embodiment, fig. 4 is a schematic diagram of an internal structure of an electronic device according to an embodiment of the present application, and as shown in fig. 4, there is provided an electronic device, which may be a server, and its internal structure diagram may be as shown in fig. 4. The electronic device comprises a processor, a network interface, an internal memory and a non-volatile memory connected by an internal bus, wherein the non-volatile memory stores an operating system, a computer program and a database. The processor is used for providing calculation and control capability, the network interface is used for communicating with an external terminal through network connection, the internal memory is used for providing an environment for an operating system and the running of a computer program, the computer program is executed by the processor to realize an external interface current limiting method, and the database is used for storing data.
Those skilled in the art will appreciate that the configuration shown in fig. 4 is a block diagram of only a portion of the configuration associated with the present application, and does not constitute a limitation on the electronic device to which the present application is applied, and a particular electronic device may include more or less components than those shown in the drawings, or combine certain components, or have a different arrangement of components.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include non-volatile and/or volatile memory. Non-volatile 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), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
It should be understood by those skilled in the art that various features of the above-described embodiments can be combined in any combination, and for the sake of brevity, all possible combinations of features in the above-described embodiments are not described in detail, but rather, all combinations of features which are not inconsistent with each other should be construed as being within the scope of the present disclosure.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method for limiting current for an external interface, the method comprising:
under the condition that a preset external interface receives a calling party access request, acquiring unique identification information of a calling party;
determining the configuration information of the calling party based on the acquired unique identification information;
determining a rate of throttling of the preset external interface when directed to the caller based on the determined configuration information.
2. The method of claim 1, wherein determining, based on the determined configuration information, a current limit rate of the preset external interface when directed to the caller comprises:
determining interface path information based on the determined configuration information;
positioning a corresponding server through the determined interface path information;
and determining the current limiting rate of the preset external interface under the positioned service end when aiming at the calling party.
3. The method of claim 1, wherein determining, based on the determined configuration information, a current limit rate of the preset external interface when directed to the caller comprises:
determining a heat level characterizing the caller activity based on the configuration information;
determining a rate of throttling of the preset external interface when directed to the caller based on the determined heat level.
4. The method of claim 3, wherein determining the current limit rate of the preset external interface when directed to the caller based on the determined heat level comprises:
determining an adjustment value for modifying the current limit rate based on the determined heat level;
based on the determined adjustment value, the current limit rate of the preset external interface when aiming at the caller is increased or decreased in a timed mode.
5. The method according to claim 1, wherein in case that the external interface receives the caller access request, the method further comprises:
and if the access times of the calling party exceed a specified threshold value within a preset time period, feeding back a processing result representing that the access is stopped.
6. The method of claim 1, wherein the configuration information is stored in a MySQL database.
7. An external interface current limiting apparatus, comprising:
the first processing module is used for acquiring the unique identification information of a calling party under the condition that a preset external interface receives a calling party access request;
the second processing module is used for determining the configuration information of the calling party based on the acquired unique identification information;
a third processing module, configured to determine, based on the determined configuration information, a current limiting rate of the preset external interface when aiming at the caller.
8. The apparatus according to claim 7, wherein, when the preset external interface receives the caller access request, the third processing module is further specifically configured to:
and if the access times of the calling party exceed a specified threshold value within a preset time period, feeding back a processing result representing that the access is stopped.
9. An electronic device comprising a memory and a processor, wherein the memory has stored therein a computer program, and wherein the processor is arranged to execute the computer program to perform the method of any of claims 1 to 6.
10. A storage medium, in which a computer program is stored, wherein the computer program is arranged to perform the method of any one of claims 1 to 6 when executed.
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