CN112738869B - Message receiving method, device, equipment and medium - Google Patents
Message receiving method, device, equipment and medium Download PDFInfo
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- CN112738869B CN112738869B CN202011593021.0A CN202011593021A CN112738869B CN 112738869 B CN112738869 B CN 112738869B CN 202011593021 A CN202011593021 A CN 202011593021A CN 112738869 B CN112738869 B CN 112738869B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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Abstract
The disclosed embodiment relates to a message receiving method, a device, equipment and a medium, wherein the method comprises the following steps: pre-receiving a target message through a first interface, wherein the target message is bound with the first interface or a second interface; and if the target message is determined to meet the receiving condition, receiving the target message through the first interface. By adopting the technical scheme, whether the message is received or not is determined by judging whether the target message meets the receiving condition or not, and then the message bound with the interface or other interfaces can be received through one interface, so that the problem of packet loss after the interface is bound is avoided, and the stability of link communication is improved.
Description
Technical Field
The present disclosure relates to the field of network communication technologies, and in particular, to a method, an apparatus, a device, and a medium for receiving a packet.
Background
With the rapid development of internet technology, in order to improve network bandwidth and access stability, a user may obtain multiple links from different operators to meet access requirements.
For the traffic of a specific application, a user may designate a fixed link from the plurality of links to perform communication, that is, there is a need to designate an interface or designate a link for communication. When a user accesses the same service through a plurality of links, the situation that the designated sending interface and the designated receiving interface of the message are not consistent often occurs, and the existing scheme for the situation is to directly discard the message of the non-binding interface, so that the link communication is interrupted, and the stability is poor.
Disclosure of Invention
In order to solve the above technical problems, or at least partially solve the above technical problems, the present disclosure provides a message receiving method, apparatus, device and medium.
The disclosed embodiment provides a message receiving method, which comprises the following steps:
pre-receiving a target message through a first interface, wherein the target message is bound with the first interface or a second interface;
and if the target message is determined to meet the receiving condition, receiving the target message through the first interface.
Optionally, determining that the target packet meets the receiving condition includes:
and if the socket of the target message is determined to comprise the interface binding identifier, determining that the receiving condition is met.
Optionally, before receiving the target packet through the first interface, the method further includes:
and creating a socket of the target message, and setting an interface binding identifier in the socket.
Optionally, determining that the target packet meets the receiving condition includes:
and if the socket of the target message does not comprise the interface binding identifier and the interface bound by the target message is the first interface, determining that a receiving condition is met.
Optionally, the method further includes:
and if the target message is determined not to meet the receiving condition, discarding the target message.
Optionally, determining that the target packet does not satisfy the receiving condition includes:
and if the socket of the target message does not comprise an interface binding identifier and the interface bound by the target message is the second interface, determining that the target message does not meet the receiving condition.
Optionally, the route of the second interface and the route of the first interface are equivalent routes.
The embodiment of the present disclosure further provides a message receiving apparatus, where the apparatus includes:
the message pre-receiving module is used for pre-receiving a target message through a first interface, wherein the target message is bound with the first interface or a second interface;
and the message receiving module is used for receiving the target message through the first interface if the target message meets the receiving condition.
Optionally, the message receiving module is specifically configured to:
and if the socket of the target message is determined to comprise the interface binding identifier, determining that the receiving condition is met.
Optionally, the apparatus further includes an identification module, configured to: before the target message is received over the first interface,
and creating a socket of the target message, and setting an interface binding identifier in the socket.
Optionally, the message receiving module is specifically configured to:
and if the socket of the target message does not comprise the interface binding identifier and the interface bound by the target message is the first interface, determining that a receiving condition is met.
Optionally, the apparatus further comprises a discarding module, configured to:
and if the target message is determined not to meet the receiving condition, discarding the target message.
Optionally, the discarding module is specifically configured to:
and if the socket of the target message does not comprise an interface binding identifier and the interface bound by the target message is the second interface, determining that the target message does not meet the receiving condition.
Optionally, the route of the second interface and the route of the first interface are equivalent routes.
An embodiment of the present disclosure further provides an electronic device, which includes: a processor; a memory for storing the processor-executable instructions; the processor is configured to read the executable instruction from the memory, and execute the instruction to implement the message receiving method provided by the embodiment of the disclosure.
The embodiment of the disclosure also provides a computer-readable storage medium, where the storage medium stores a computer program, and the computer program is used to execute the message receiving method provided by the embodiment of the disclosure.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages: according to the message receiving scheme provided by the embodiment of the disclosure, a target message is received through a first interface in advance, wherein the target message is bound with the first interface or a second interface; and if the target message is determined to meet the receiving condition, receiving the target message through the first interface. By adopting the technical scheme, whether the message is received or not is determined by judging whether the target message meets the receiving condition or not, and then the message bound with the interface or other interfaces can be received through one interface, so that the problem of packet loss after the interface is bound is avoided, and the stability of link communication is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic flowchart of a message receiving method according to an embodiment of the present disclosure;
fig. 2 is a schematic flow chart of another message receiving method according to the embodiment of the present disclosure;
fig. 3 is a schematic flowchart of another message receiving method according to the present disclosure;
fig. 4 is a schematic structural diagram of a message receiving apparatus according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
In order to improve the network bandwidth and the access stability, a user can acquire a plurality of links from different operators to meet the access requirement, and particularly, the access requirement of an enterprise user is continuously improved along with the continuous development of an enterprise business system and the continuous upgrade of an IT (information technology) architecture of the enterprise. For the traffic of a specific application, a user may designate a fixed link from the plurality of links to perform communication, that is, there is a need to designate an interface or designate a link for communication. When a user accesses the same service through multiple links, the situation that the designated sending interface and the designated receiving interface of the message are not consistent often occurs, and for the situation, the existing scheme directly discards the message of the unbound interface, so that the link communication is interrupted, and the stability is poor. In view of the above technical problems, embodiments of the present disclosure provide a method for receiving a message, and the method is described below with reference to specific embodiments.
Fig. 1 is a schematic flowchart of a message receiving method according to an embodiment of the present disclosure, where the method may be executed by a message receiving apparatus, where the apparatus may be implemented by software and/or hardware, and may be generally integrated in an electronic device. As shown in fig. 1, the method includes:
The first interface refers to one interface in the network device, the second interface refers to any one interface in other interfaces in the network device, and the number of the second interfaces may be multiple, and is not limited specifically. In the embodiment of the present disclosure, the route of the first interface and the route of the second interface are equivalent routes, and an equivalent-Cost multi-path Routing (ECMP) refers to a route from a plurality of different communication links to an address of the same destination. The target packet refers to a packet bound to one interface in the network device, and the target packet may be bound to the first interface or the second interface.
In the embodiment of the present disclosure, the network device may pre-receive the target packet through the first interface, where the pre-receiving means that the network device does not really receive the target packet, but only temporarily receives the target packet, and determines whether to receive the target packet after determining.
And 102, receiving the target message through the first interface if the target message meets the receiving condition.
The receiving condition is a judgment condition for judging whether the target message can be received.
In this embodiment of the present disclosure, determining that the target packet meets the receiving condition may include: and if the socket of the target message is determined to comprise the interface binding identifier, determining that the receiving condition is met. The Socket (Socket) can represent an end point for bidirectional communication between application processes on different hosts in a network, and one Socket is one end of process communication on the network, and provides a mechanism for the application layer processes to exchange data by using a network protocol. That is, the transmission of the message requires the creation of a corresponding socket. The interface binding identifier refers to an identifier preset in a socket and used for characterizing that the socket has bound an interface, and the specific expression form of the identifier is not limited, for example, the interface binding identifier may be represented by letters and/or numbers.
Specifically, a matched socket can be determined for the target message, and whether the socket includes an interface binding identifier is judged, if yes, it is indicated that the socket binds an interface, specifically, the first interface or the second interface can be bound, it is determined that the target message meets the receiving condition, and the target message is received through the first interface; otherwise, further judgment is needed.
Optionally, before receiving the target packet through the first interface, the method may further include: and creating a socket of the target message, and setting an interface binding identifier in the socket. In the embodiment of the present disclosure, before the target packet is sent, a socket may be created, the created socket is bound to an interface in the network device, a kernel sock structure of the socket is modified, an interface binding identifier is added, and the interface bound by the socket is identified, so as to meet the requirement of sending a specified interface (link).
In this embodiment of the present disclosure, determining that the target packet meets the receiving condition may include: and if the socket of the target message does not comprise the interface binding identifier and the interface bound by the target message is the first interface, determining that the receiving condition is met. If the socket matched with the target message does not include the interface binding identifier, whether the interface bound with the target message is the first interface or not can be judged, namely whether the interface bound with the socket matched with the target message is the first interface or not is judged, if yes, the receiving condition is met, and the target message is received through the first interface.
In this embodiment of the present disclosure, the message receiving method may further include: and if the target message is determined not to meet the receiving condition, discarding the target message. Optionally, determining that the target packet does not satisfy the receiving condition includes: and if the socket of the target message does not comprise the interface binding identifier and the interface bound by the target message is the second interface, determining that the target message does not meet the receiving condition.
Specifically, when it is determined that the socket matched with the target message does not include the interface binding identifier, and the interface bound by the socket is the second interface, that is, the interface bound by the socket is not the first interface for pre-receiving the target message currently under the condition that the interface binding identifier is not set in the socket matched with the target message, it is determined that the target message does not satisfy the receiving condition, and the target message is discarded.
In the embodiment of the disclosure, by modifying the sock lookup function, after the target message is received in advance, the step of checking the matched socket and judging whether the socket sets the interface binding identifier can be performed, instead of performing the interface matching in the prior art, so that the target message bound with the second interface can be received through the first interface, the problem of packet loss after the interface binding in the environment of the equivalent route is solved, and the communication stability is improved.
According to the message receiving scheme provided by the embodiment of the disclosure, a target message is received through a first interface in advance, wherein the target message is bound with the first interface or a second interface; and if the target message is determined to meet the receiving condition, receiving the target message through the first interface. By adopting the technical scheme, whether the message is received or not is determined by judging whether the target message meets the receiving condition or not, and then the message bound with the interface or other interfaces can be received through one interface, so that the problem of packet loss after the interface is bound is avoided, and the stability of link communication is improved.
Fig. 2 is a schematic flow chart of another message receiving method according to the embodiment of the present disclosure, and the embodiment further specifically describes the message receiving method on the basis of the embodiment. As shown in fig. 2, the method includes:
And the target message is bound with the first interface or the second interface. Optionally, the route of the second interface and the route of the first interface are equivalent routes.
And 204, determining that the target message does not meet the receiving condition, and discarding the target message.
Specifically, if the socket of the target packet does not include the interface binding identifier and the interface bound by the target packet is the second interface, it is determined that the target packet does not satisfy the receiving condition.
Specifically, if the socket of the target packet includes the interface binding identifier, or the socket of the target packet does not include the interface binding identifier and the interface bound to the target packet is the first interface, it is determined that the receiving condition is satisfied, and the target packet is received through the first interface.
Next, a message receiving method in the embodiment of the present disclosure is specifically described by a specific example. For example, fig. 3 is a schematic flow chart of another message receiving method provided in the embodiment of the present disclosure, where a specific process of message receiving may include: 1. creating a socket and binding a fixed interface; 2. modifying the kernel socket structure, adding an interface binding flag bit, and setting an interface binding flag (namely an interface binding flag) for the socket, wherein the interface binding flag is used for marking that the socket has bound an interface; 3. modifying the socket search function, checking the matched socket after the packet is received, and judging whether the socket sets an interface binding flag bit; 4. if the socket contains the interface binding mark, the packet is received; 5. and if the socket does not contain the interface binding mark, matching the interface and receiving the packet of the corresponding interface.
In the embodiment of the disclosure, in the environment of the equivalent route, by modifying the kernel sock structure, increasing the interface binding flag bit, modifying the sock lookup function, and checking the special flag bit during packet receiving, the problem of packet loss during the equivalent route after the interface binding is solved, packet receiving (different route packet receiving) of the message of the unbound interface is realized, and the stability of link communication is improved.
The message receiving scheme provided by the embodiment of the disclosure receives a target message through a first interface in advance, and if it is determined that a socket of the target message includes an interface binding identifier, or the socket of the target message does not include the interface binding identifier and the interface bound by the target message is the first interface, it is determined that a receiving condition is satisfied, and the target message is received through the first interface; and if the socket of the target message does not comprise the interface binding identifier and the interface bound by the target message is the second interface, determining that the target message does not meet the receiving condition, and discarding the target message. By adopting the technical scheme, whether the message is received or not is determined by judging whether the target message meets the receiving condition or not, and then the message bound with the interface or other interfaces can be received through one interface, so that the problem of packet loss after the interface is bound is avoided, and the stability of link communication is improved.
Fig. 4 is a schematic structural diagram of a message receiving apparatus according to an embodiment of the present disclosure, where the apparatus may be implemented by software and/or hardware, and may be generally integrated in an electronic device. As shown in fig. 4, the apparatus includes:
a message pre-receiving module 401, configured to pre-receive a target message through a first interface, where the target message is bound to the first interface or a second interface;
a message receiving module 402, configured to receive the target message through the first interface if it is determined that the target message meets a receiving condition.
The message receiving scheme provided by the embodiment of the disclosure pre-receives a target message through a first interface, wherein the target message is bound with the first interface or a second interface; and if the target message is determined to meet the receiving condition, receiving the target message through the first interface. By adopting the technical scheme, whether the message is received or not is determined by judging whether the target message meets the receiving condition or not, and then the message bound with the interface or other interfaces can be received through one interface, so that the problem of packet loss after the interface is bound is avoided, and the stability of link communication is improved.
Optionally, the message receiving module 402 is specifically configured to:
and if the socket of the target message is determined to comprise the interface binding identifier, determining that the receiving condition is met.
Optionally, the apparatus further includes an identification module, configured to: before the target message is received over the first interface,
and creating a socket of the target message, and setting an interface binding identifier in the socket.
Optionally, the message receiving module 402 is specifically configured to:
and if the socket of the target message does not comprise the interface binding identifier and the interface bound by the target message is the first interface, determining that a receiving condition is met.
Optionally, the apparatus further comprises a discarding module, configured to:
and if the target message is determined not to meet the receiving condition, discarding the target message.
Optionally, the discarding module is specifically configured to:
and if the socket of the target message does not comprise the interface binding identifier and the interface bound by the target message is the second interface, determining that the target message does not meet the receiving condition.
Optionally, the route of the second interface and the route of the first interface are equivalent routes.
The message receiving device provided by the embodiment of the disclosure can execute the message receiving method provided by any embodiment of the disclosure, and has the corresponding functional module and beneficial effect of the executing method.
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. As shown in fig. 5, the electronic device 500 includes one or more processors 501 and memory 502.
The processor 501 may be a Central Processing Unit (CPU) or other form of processing unit having data processing capabilities and/or instruction execution capabilities, and may control other components in the electronic device 500 to perform desired functions.
In one example, the electronic device 500 may further include: an input device 503 and an output device 504, which are interconnected by a bus system and/or other form of connection mechanism (not shown).
The input device 503 may also include, for example, a keyboard, a mouse, and the like.
The output device 504 may output various information to the outside, including the determined distance information, direction information, and the like. The output devices 504 may include, for example, a display, speakers, a printer, and a communication network and its connected remote output devices, among others.
Of course, for simplicity, only some of the components of the electronic device 500 relevant to the present disclosure are shown in fig. 5, omitting components such as buses, input/output interfaces, and the like. In addition, the electronic device 500 may include any other suitable components depending on the particular application.
In addition to the above methods and apparatuses, embodiments of the present disclosure may also be a computer program product comprising computer program instructions that, when executed by a processor, cause the processor to perform the message receiving method provided by embodiments of the present disclosure.
The computer program product may write program code for carrying out operations for embodiments of the present disclosure in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server.
Furthermore, embodiments of the present disclosure may also be a computer-readable storage medium having stored thereon computer program instructions, which, when executed by a processor, cause the processor to execute the message receiving method provided by the embodiments of the present disclosure.
The computer-readable storage medium may take any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may include, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
It is noted that, in this document, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A method for receiving a message, comprising:
pre-receiving a target message through a first interface, wherein the target message is bound with the first interface or a second interface; the route of the second interface and the route of the first interface are equivalent routes;
if the target message is determined to meet the receiving condition, receiving the target message through the first interface;
determining that the target packet meets a receiving condition, including:
if the socket of the target message is determined to comprise the interface binding identifier, determining that a receiving condition is met;
and if the socket of the target message does not comprise the interface binding identifier and the interface bound by the target message is the first interface, determining that a receiving condition is met.
2. The method of claim 1, wherein prior to receiving the destination message via the first interface, further comprising:
and creating a socket of the target message, and setting an interface binding identifier in the socket.
3. The method of claim 1, further comprising:
and if the target message is determined not to meet the receiving condition, discarding the target message.
4. The method of claim 3, wherein determining that the target packet does not satisfy the receiving condition comprises:
and if the socket of the target message does not comprise an interface binding identifier and the interface bound by the target message is the second interface, determining that the target message does not meet the receiving condition.
5. A message receiving apparatus, comprising:
the message pre-receiving module is used for pre-receiving a target message through a first interface, wherein the target message is bound with the first interface or a second interface; the route of the second interface and the route of the first interface are equivalent routes;
the message receiving module is used for receiving the target message through the first interface if the target message is determined to meet the receiving condition; if the socket of the target message comprises the interface binding identifier, determining that a receiving condition is met; and if the socket of the target message does not comprise the interface binding identifier and the interface bound by the target message is the first interface, determining that a receiving condition is met.
6. An electronic device, characterized in that the electronic device comprises:
a processor;
a memory for storing the processor-executable instructions;
the processor is configured to read the executable instructions from the memory and execute the instructions to implement the message receiving method according to any one of claims 1 to 4.
7. A computer-readable storage medium, characterized in that the storage medium stores a computer program for executing the message receiving method according to any of the claims 1-4.
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