CN113612814A - Method, device, terminal and storage medium for screening session information - Google Patents
Method, device, terminal and storage medium for screening session information Download PDFInfo
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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
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/18—Service support devices; Network management devices
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Abstract
The invention discloses a method, a device, a terminal and a storage medium for screening session information, which judge whether a session management functional unit is a standby session management functional unit or not according to an update message sent by a session management functional unit by obtaining the update message; when the session management functional unit is a standby session management functional unit, acquiring historical session information corresponding to a main session management functional unit, wherein the main session management functional unit corresponds to the standby session management functional unit; and screening the historical session information to obtain abnormal session information in the historical session information, wherein the abnormal session information is the session information which is stored in the historical session information but not stored in the standby session management functional unit. The problem that after a main/standby protection mechanism of a session management functional unit is started in the prior art, user session information on the standby session management functional unit and a user port functional unit is inconsistent, so that partial functions of the user port functional unit cannot be realized is solved.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a method and an apparatus for screening session information, a terminal, and a storage medium.
Background
The system architecture of the 5g mobile network is mainly used for receiving a message forwarding control protocol message (PFCP message) sent by a Session Management Function (SMF) to create user session information by a primary User Port Function (UPF). However, the session management functional unit has a master-slave protection mechanism, that is, when the master session management functional unit fails, the standby session management functional unit takes over the master session management functional unit in time to execute the session management function, and when the standby session management functional unit specifically executes the session management function, the standby session management functional unit performs service by using the user session information synchronized with the master session management functional unit. However, due to the fact that synchronization between the active session management functional unit and the standby session management functional unit may be incomplete, after the active/standby protection mechanism is started, the user session information on the standby session management functional unit and the user port functional unit is inconsistent, so that abnormal session information that does not exist in part of the standby session management functional units exists in the user port functional unit, and the abnormal session information may cause that part of functions of the user port functional unit cannot be implemented.
Thus, there is still a need for improvement and development of the prior art.
Disclosure of Invention
The present invention provides a method, an apparatus, a terminal and a storage medium for screening session information, which are used to solve the technical problem that after a master/standby protection mechanism of a session management functional unit is started in the prior art, user session information on a standby session management functional unit and a user port functional unit are inconsistent, that is, abnormal session information that does not exist in part of the standby session management functional units exists in the user port functional unit, so that part of functions of the user port functional unit cannot be realized.
The technical scheme adopted by the invention for solving the problems is as follows:
in a first aspect, an embodiment of the present invention provides a method for screening session information, where the method is applied to a user port functional unit, and the method includes:
acquiring an update message sent by a session management functional unit, and judging whether the session management functional unit is a standby session management functional unit or not according to the update message;
if so, acquiring historical session information corresponding to a main session management function unit, wherein the main session management function unit corresponds to the standby session management unit;
and screening the historical session information to obtain abnormal session information in the historical session information, wherein the abnormal session information is the session information which is stored in the historical session information but not stored in the standby session management functional unit.
In one embodiment, the determining whether the session management functional unit is a standby session management functional unit according to the update message includes:
acquiring the function information of the session management function unit carried in the update message;
and determining whether the session management functional unit is a standby session management functional unit or not according to the functional information.
In one embodiment, the determining whether the session management function unit is a standby session management function unit according to the function information includes:
acquiring original function information corresponding to a plurality of session management function units connected with the user port function unit;
matching the function information with the original function information corresponding to the session management function units respectively;
and when the matching is successful, determining the session management functional unit as the standby session management functional unit.
In an embodiment, the filtering the historical session information to obtain abnormal session information in the historical session information includes:
acquiring each piece of session information in the historical session information, and generating a corresponding request message according to the session information;
determining the storage state of the session information in the standby session management functional unit according to the request message;
and when the storage state is not stored, determining that the session information is the abnormal session information.
In one embodiment, the determining the storage state of the session information in the standby session management function unit according to the request message includes:
sending the request message to the standby session management function unit;
acquiring a response message generated by the standby session management functional unit based on the request message;
and when the response message is the query failure, determining that the storage state of the session information is not stored.
In one embodiment, the method further comprises:
generating a deleting instruction according to the abnormal session information;
and executing deletion operation on the abnormal session information according to the deletion instruction.
In one embodiment, the method further comprises:
and generating a reminding message according to the abnormal session information, wherein the reminding message is used for reminding to check the synchronous state between the main session management function unit and the standby session management function unit.
In a second aspect, an embodiment of the present invention further provides a device for screening session information, where the device includes:
the determining module is used for acquiring an updating message sent by the session management functional unit and judging whether the session management functional unit is a standby session management functional unit or not according to the updating message;
an obtaining module, configured to obtain, when the session management functional unit is the standby session management functional unit, historical session information corresponding to a main session management functional unit, where the main session management functional unit corresponds to the standby session management functional unit;
and the screening module is used for screening the historical session information to obtain abnormal session information in the historical session information, wherein the abnormal session information is the session information which is stored in the historical session information but not stored in the standby session management functional unit.
In a third aspect, an embodiment of the present invention further provides a terminal, where the terminal includes a memory and one or more processors; the memory stores one or more programs; the program comprises instructions for performing a method of screening session information as described in any of the above; the processor is configured to execute the program.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, on which a plurality of instructions are stored, where the instructions are loaded and executed by a processor to implement any of the steps of the session information screening method described above.
The invention has the beneficial effects that: the embodiment of the invention judges whether the session management functional unit is a standby session management functional unit or not according to the update message by acquiring the update message sent by the session management functional unit; when the session management functional unit is the standby session management functional unit, acquiring historical session information corresponding to a main session management functional unit, wherein the main session management functional unit corresponds to the standby session management functional unit; and screening the historical session information to obtain abnormal session information in the historical session information, wherein the abnormal session information is the session information which is stored in the historical session information but not stored in the standby session management functional unit. The problem that after a main/standby protection mechanism of a session management functional unit is started in the prior art, user session information on the standby session management functional unit and a user port functional unit is inconsistent, namely abnormal session information which does not exist in part of the standby session management functional units exists in the user port functional unit, so that part of functions of the user port functional unit cannot be realized is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a session information screening method according to an embodiment of the present invention.
Fig. 2 is an interaction diagram of a user port functional unit and a session management functional unit according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of internal modules of a session information screening apparatus according to an embodiment of the present invention.
Fig. 4 is a schematic block diagram of a terminal according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
The system architecture of the 5g mobile network is mainly used for receiving a message forwarding control protocol message (PFCP message) sent by a Session Management Function (SMF) to create user session information by a primary User Port Function (UPF). However, the session management functional unit has a master-slave protection mechanism, that is, when the master session management functional unit fails, the standby session management functional unit takes over the master session management functional unit in time to execute the session management function, and when the standby session management functional unit specifically executes the session management function, the standby session management functional unit performs service by using the user session information synchronized with the master session management functional unit. However, due to the fact that synchronization between the active session management functional unit and the standby session management functional unit may be incomplete, after the active/standby protection mechanism is started, the user session information on the standby session management functional unit and the user port functional unit is inconsistent, so that abnormal session information that does not exist in part of the standby session management functional units exists in the user port functional unit, and the abnormal session information may cause that part of functions of the user port functional unit cannot be implemented.
Aiming at the defects of the prior art, the invention provides a method for screening session information, which comprises the steps of obtaining an update message sent by a session management functional unit, and determining the session management functional unit as a standby session management functional unit according to the update message; acquiring historical session information corresponding to a main session management functional unit, wherein the main session management functional unit corresponds to the standby session management unit; and screening the historical session information to obtain abnormal session information which exists in the historical session information but is not stored by the standby session management functional unit. The problem that after a main/standby protection mechanism of a session management functional unit is started in the prior art, user session information on the standby session management functional unit and a user port functional unit is inconsistent, namely abnormal session information which does not exist in part of the standby session management functional units exists in the user port functional unit, so that part of functions of the user port functional unit cannot be realized is solved.
As shown in fig. 1, the method for screening session information includes the following steps:
step S100, obtaining an update message sent by a session management functional unit, and judging whether the session management functional unit is a standby session management functional unit according to the update message.
In particular, in practical use, one user port function unit may establish data connections with a plurality of different session management function units, for example, one UPF may establish data connections with SMF1, SMF2, SMF 3. Whenever a new session management function unit needs to establish a data connection with a user port function unit, an update message needs to be sent to the user port function unit. In addition, after the active-standby protection mechanism is started by the active session management functional unit originally connected to the user port functional unit, the standby session management functional unit also needs to send an update message to the user port functional unit when establishing data connection with the user port functional unit. Because the information carried in the update message is different, the user port functional unit can determine whether the current session management functional unit to be connected is a standby session management functional unit according to the received update message, that is, whether the session management functional unit is a brand new session management functional unit or an originally connected active session management functional unit, where the active/standby switching occurs.
In an implementation manner, in order to determine whether a current connection-required session management function unit is a standby session management function unit, a user port function unit first needs to acquire function information of the session management function unit carried in the update message, and then determines whether the session management function unit is the standby session management function unit according to the function information.
Specifically, since each update message includes function information of the session management function unit that sent the update message, the function information may reflect various functions that the session management function unit possesses, such as information sending or performing operations. The function information corresponding to different session management function units is different, and only the function information corresponding to the main session management function unit and the standby session management function unit is the same, so that the session management function units can be distinguished according to the function information.
Specifically, in this embodiment, it is required to acquire original function information corresponding to each of a plurality of session management function units connected to the user port function unit, then match the function information with the original function information corresponding to each of the plurality of session management function units, and when the matching is successful, determine that the session management function unit is the standby session management function unit. In short, the respective function information of each of the different session management function units is different, that is, the number or types of functions performed by the different session management function units are different. However, the number and types of functions executed by the active session management functional unit and the standby session management functional unit corresponding to the same session management functional unit are completely the same. That is, the number or types of functions performed by both SMF1 and SME2 are different, SMF1 can perform 5 functions and SMF2 can only perform 3 functions, but the number and types of functions performed by the active SMF and the standby SMF corresponding to SMF1 are all the same. Therefore, after the user port functional unit obtains the update message, by checking the function information carried in the update message, and then searching whether the same function information exists in the original function information corresponding to each of the plurality of session management functional units connected to the user port functional unit, it can be determined whether the current session management functional unit is a new session management functional unit or the previously connected session management functional unit is subjected to active/standby switching.
As shown in fig. 1, the method further comprises the steps of:
step S200, when the session management functional unit is the standby session management functional unit, acquiring historical session information corresponding to an active session management functional unit in a user port functional unit, where the active session management functional unit corresponds to the standby session management functional unit.
Since the objective in this embodiment is to determine abnormal session information existing in the user port functional unit, where the abnormal session information refers to session information that is stored in the user port functional unit but not stored in the corresponding standby session management functional unit after the active-standby switching occurs in the session management functional unit, this embodiment needs to first obtain history session information for screening out the abnormal session information, where the history session information is created by a packet forwarding control protocol message (PFCP message) sent by the user port functional unit based on the active session management function corresponding to the standby session management function.
As shown in fig. 1, the method further comprises the steps of:
step S300, filtering the historical session information to obtain abnormal session information in the historical session information, where the abnormal session information is session information that is stored in the historical session information but not stored in the standby session management functional unit.
In short, before the active-standby switching occurs, the session information on the active session management functional unit and the session information in the user port functional unit should be consistent, but after the active-standby switching occurs, if the active-standby synchronization fails, the standby session management unit may lack part of the session information, and by comparing the historical session information stored on the user port functional unit with the session information stored on the standby session management unit, the missing part of the session information can be determined, and the session information belongs to abnormal session information in the user port functional unit.
In one implementation, the step S300 specifically includes the following steps:
step S301, acquiring each piece of session information in the history session information, and generating a corresponding request message according to the session information;
step S302, according to the request message, determining the storage state of the session information in the standby session management functional unit;
step S303, when the storage status is not stored, determining that the session information is the abnormal session information.
Specifically, in order to accurately find out abnormal session information in the user port functional unit, in this embodiment, a piece of request information needs to be generated according to each piece of session information in the history session information, and then according to the generated request information, the request information may be used to obtain a storage state of the piece of session information in the standby session management functional unit, and if the storage state of the piece of session information is not stored, that is, it indicates that the piece of session information does not exist in the standby session management functional unit, the piece of session information is abnormal session information; if the storage state of the piece of session information is storage, that is, the piece of session information is present in the standby session management functional unit, the piece of session information is normal session information.
In an implementation manner, in this embodiment, the request message needs to be sent to the standby session management functional unit, then a response message generated by the standby session management functional unit based on the request message is acquired, and when the response message is an inquiry failure, it is determined that the storage state of the session information is not stored. Specifically, as shown in fig. 2, the user port functional unit generates a request message according to each piece of history session information, and sends the request message to the standby session management functional unit, and the standby session management functional unit locally queries the piece of history session information after acquiring the request message. And when the query is successful, sending a response message of successful query to the user port functional unit, and the user port functional unit can know that the historical session information is stored in the standby session management functional unit according to the response message, wherein the historical session information is normal session information. When the query fails, sending a response message of the query failure to the user port functional unit, and the user port functional unit can know that the historical session information is not stored in the standby session management functional unit according to the response message, wherein the historical session information is abnormal session information.
In one implementation, after determining the abnormal session information, a deletion instruction may be generated according to the abnormal session information, and a deletion operation may be performed on the abnormal session information according to the deletion instruction. In practical applications, since the existence of the abnormal session information may cause that part of the functions of the user port functional unit cannot be implemented, in order to ensure the normal operation of the user port functional unit, the abnormal session information needs to be deleted.
In an implementation manner, a prompting message may be generated according to the abnormal session, and a synchronization state between the active session management function unit and the standby session management function unit of the system is prompted to be abnormal according to the prompting message.
Based on the foregoing embodiment, the present invention further provides a device for screening session information, as shown in fig. 3, the device includes:
the determining module 01 is configured to obtain an update message sent by a session management functional unit, and determine whether the session management functional unit is a standby session management functional unit according to the update message;
an obtaining module 02, configured to obtain, when the session management functional unit is the standby session management functional unit, historical session information corresponding to a main session management functional unit, where the main session management functional unit corresponds to the standby session management functional unit;
the screening module 03 is configured to screen the historical session information to obtain abnormal session information in the historical session information, where the abnormal session information is session information that is stored in the historical session information but not stored in the standby session management functional unit.
Based on the above embodiments, the present invention further provides a terminal, and a schematic block diagram thereof may be as shown in fig. 4. The terminal comprises a processor, a memory, a network interface and a display screen which are connected through a system bus. Wherein the processor of the terminal is configured to provide computing and control capabilities. The memory of the terminal 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 terminal is used for connecting and communicating with an external terminal through a network. The computer program is executed by a processor to implement a method of screening session information. The display screen of the terminal can be a liquid crystal display screen or an electronic ink display screen.
It will be understood by those skilled in the art that the block diagram of fig. 4 is a block diagram of only a portion of the structure associated with the inventive arrangements and is not intended to limit the terminals to which the inventive arrangements may be applied, and that a particular terminal may include more or less components than those shown, or may have some components combined, or may have a different arrangement of components.
In one implementation, one or more programs are stored in a memory of the terminal and configured to be executed by one or more processors include instructions for performing a method of screening of session information.
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, databases, or other media used in embodiments provided herein may 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).
In summary, the present invention discloses a method, an apparatus, a terminal and a storage medium for screening session information, wherein an update message sent by a session management functional unit is obtained, and whether the session management functional unit is a standby session management functional unit is determined according to the update message; when the session management functional unit is the standby session management functional unit, acquiring historical session information corresponding to a main session management functional unit, wherein the main session management functional unit corresponds to the standby session management functional unit; and screening the historical session information to obtain abnormal session information in the historical session information, wherein the abnormal session information is the session information which is stored in the historical session information but not stored in the standby session management functional unit. The problem that after a main/standby protection mechanism of a session management functional unit is started in the prior art, user session information on the standby session management functional unit and a user port functional unit is inconsistent, namely abnormal session information which does not exist in part of the standby session management functional units exists in the user port functional unit, so that part of functions of the user port functional unit cannot be realized is solved.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. A method for screening session information is applied to a user port functional unit, and the method comprises the following steps:
acquiring an update message sent by a session management functional unit, and judging whether the session management functional unit is a standby session management functional unit or not according to the update message;
when the session management functional unit is the standby session management functional unit, acquiring historical session information corresponding to a main session management functional unit in a user port functional unit, wherein the main session management functional unit corresponds to the standby session management functional unit;
and screening the historical session information to obtain abnormal session information in the historical session information, wherein the abnormal session information is the session information which is stored in the historical session information but not stored in the standby session management functional unit.
2. The method as claimed in claim 1, wherein said determining whether the session management functional unit is a standby session management functional unit according to the update message comprises:
acquiring the function information of the session management function unit carried in the update message;
and determining whether the session management functional unit is a standby session management functional unit or not according to the functional information.
3. The method as claimed in claim 2, wherein the determining whether the session management function unit is a standby session management function unit according to the function information includes:
acquiring original function information corresponding to a plurality of session management function units connected with the user port function unit;
matching the function information with the original function information corresponding to the session management function units respectively;
and when the matching is successful, determining the session management functional unit as the standby session management functional unit.
4. The method for screening session information according to claim 1, wherein the screening the historical session information to obtain abnormal session information in the historical session information includes:
acquiring each piece of session information in the historical session information, and generating a corresponding request message according to the session information;
determining the storage state of the session information in the standby session management functional unit according to the request message;
and when the storage state is not stored, determining that the session information is the abnormal session information.
5. The method for screening session information according to claim 4, wherein the determining the storage state of the session information in the standby session management functional unit according to the request message includes:
sending the request message to the standby session management function unit;
acquiring a response message generated by the standby session management functional unit based on the request message;
and when the response message is the query failure, determining that the storage state of the session information is not stored.
6. The method for screening session information according to claim 1, wherein the method further comprises:
generating a deleting instruction according to the abnormal session information;
and executing deletion operation on the abnormal session information according to the deletion instruction.
7. The method for screening session information according to claim 1, wherein the method further comprises:
and generating a reminding message according to the abnormal session information, wherein the reminding message is used for reminding to check the synchronous state between the main session management function unit and the standby session management function unit.
8. An apparatus for filtering session information, the apparatus comprising:
the determining module is used for acquiring an updating message sent by the session management functional unit and judging whether the session management functional unit is a standby session management functional unit or not according to the updating message;
an obtaining module, configured to obtain, when the session management functional unit is the standby session management functional unit, historical session information corresponding to a main session management functional unit, where the main session management functional unit corresponds to the standby session management functional unit;
and the screening module is used for screening the historical session information to obtain abnormal session information in the historical session information, wherein the abnormal session information is the session information which is stored in the historical session information but not stored in the standby session management functional unit.
9. A terminal, comprising a memory and one or more processors; the memory stores one or more programs; the program comprises instructions for performing a method of screening session information according to any one of claims 1-7; the processor is configured to execute the program.
10. A computer-readable storage medium having stored thereon a plurality of instructions, wherein the instructions are loaded and executed by a processor to implement the steps of the session information screening method according to any one of claims 1 to 7.
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| CN116112263A (en) * | 2023-02-13 | 2023-05-12 | 山东云天安全技术有限公司 | Message processing method, electronic equipment and storage medium |
| CN116112265A (en) * | 2023-02-13 | 2023-05-12 | 山东云天安全技术有限公司 | Abnormal session determining method, electronic equipment and storage medium |
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