CN114158036A - Method, device, system and medium for configuring and managing AP - Google Patents
Method, device, system and medium for configuring and managing AP Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/02—Data link layer protocols
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Abstract
The invention discloses a method, a device, a system and a medium for configuring and managing an AP (access point). the method for managing a device end comprises the following steps: establishing an original socket based on a data link layer and binding the original socket to a network card interface; transmitting a first data packet, wherein the first data packet comprises an MAC address and a broadcast address of the management device; receiving a second data packet sent by the wireless access node AP, wherein the second data packet comprises the MAC address of the AP; the management equipment sends a third data packet to the AP corresponding to the second data packet according to the MAC address, wherein the third data packet comprises a management API acquisition request; receiving a response message corresponding to the management API acquisition request, wherein the response message comprises an API interface list of the AP corresponding to the second data packet; and sending a fourth data packet to the AP corresponding to the second data packet according to the MAC address, wherein the fourth data packet comprises at least one API in the API interface list and parameters corresponding to the API. The method is based on an original socket raw socket of a data link layer, and can be configured without depending on an IP address; and simultaneously, IP address resources are saved.
Description
Technical Field
The invention belongs to the technical field of AP (access point) configuration management, and particularly relates to a method, equipment, a system and a medium for configuring and managing an AP.
Background
The AP is a so-called "wireless Access node" for short, and the wireless AP is a bridge for communication between a wireless network and a wired network and is a core device for establishing a wireless local area network WLAN. Currently, the APs on the market generally support two modes, one is a thin AP mode and the other is a fat AP mode. The management of the AP in both modes is managed and configured based on the upper layer protocol of the IP protocol. For example, the thin mode AP is generally managed And configured by a common Control And Provisioning Protocol (CAPWAP) of Wireless Access Points. The AP in the fat mode usually enters the UI interface through a browser for management and control, which is based on http protocol, and the http protocol is an upper layer protocol based on IP protocol.
The premise for managing such an AP is that the AP needs to have an IP address, which makes the usage scenario of the AP more limited, and the AP cannot manage and configure without the IP address.
Disclosure of Invention
In order to solve the problem that the existing AP configuration management depends on IP, the invention provides a method, equipment, a system and a medium for configuring and managing an AP, which are based on an original socket raw socket of a data link layer and can be configured without depending on an IP address; and simultaneously, IP address resources are saved.
The invention is realized by the following technical scheme:
a first aspect of the present invention provides a method for configuring and managing an AP, including the following steps:
establishing an original socket raw socket based on a data link layer and binding the original socket raw socket to a network card interface;
sending a first data packet for requesting detection, wherein the first data packet comprises a MAC address and a broadcast address of the first data packet;
receiving a second data packet sent by a wireless access node (AP), wherein the second data packet comprises a Media Access Control (MAC) address of the AP;
sending a third data packet to the AP corresponding to the second data packet according to the MAC address, wherein the third data packet comprises a management API acquisition request;
receiving a response message corresponding to the management API acquisition request, wherein the response message comprises an API interface list of an AP corresponding to a second data packet, and the API interface list is data defining API functions opened by the AP;
and sending a fourth data packet to the AP corresponding to the second data packet according to the MAC address, wherein the fourth data packet comprises at least one API in the API interface list and parameters corresponding to the API.
In one possible design, the first data packet, the second data packet, the third data packet, the response packet, and the fourth data packet include a message header and a message body, and the message header includes a destination MAC, a source MAC, and a network protocol type.
In one possible design, the message header further includes at least one of a message length, a message type, and an extension field.
A second aspect of the present invention provides a method for configuring and managing an AP, including the following steps:
establishing an original socket raw socket based on a data link layer and binding the original socket raw socket to a network card interface;
receiving a first data packet, wherein the first data packet comprises an MAC address of a management device;
sending a second data packet to the management device according to the MAC address, wherein the second data packet comprises the MAC address of the second data packet;
acquiring a third data packet issued by management equipment, wherein the third data packet comprises a management API acquisition request;
acquiring an API interface list according to a management API acquisition request and sending a response message to management equipment, wherein the response message comprises the API interface list, and the API interface list is data defining API functions opened by an AP;
receiving a fourth data packet of the management device, wherein the fourth data packet comprises at least one API in the API interface list and parameters corresponding to the API;
and updating the corresponding parameters according to the API in the fourth data packet.
In a possible design, the updating the corresponding parameter according to the API in the fourth data packet then further includes:
and sending a fifth data packet to the management device, wherein the fifth data packet comprises at least one API and an API updating result.
A third aspect of the present invention provides an apparatus for configuring and managing an AP, including a memory and a controller, which are sequentially connected in communication, where the memory stores a computer program thereon, and the controller is configured to read the computer program and execute the method for configuring and managing an AP according to the first aspect, the second aspect, and any one of the possibilities.
In a fourth aspect, the present invention provides a system for configuring and managing an AP, including a management side and at least one AP,
the management terminal comprises a memory and a controller which are sequentially connected in a communication manner, wherein the memory is stored with a computer program, and the controller is used for reading the computer program and executing the method for configuring and managing the AP in the first aspect and any one of the possibilities;
the AP comprises a memory and a controller, which are in turn communicatively connected, the memory having stored thereon a computer program, the controller being configured to read the computer program and execute the method of configuring a management AP according to the second aspect and any one of its possibilities.
A fifth aspect of the present invention provides a computer readable storage medium having stored thereon instructions which, when executed on a computer, perform the method of configuring a management AP as set forth in the first aspect, the second aspect and any one of their possibilities.
Compared with the prior art, the invention at least has the following advantages and beneficial effects:
1. the method, the equipment and the system realize the configuration management of the AP, and the AP can be configured based on the original socket raw socket of a data link layer without depending on an IP address; simultaneously saves IP address resources
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 of 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 flow chart of the present invention;
fig. 2 is a schematic diagram of a packet format of a VAPRSMP protocol according to the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
It should be understood that, for the term "and/or" as may appear herein, it is merely an associative relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time; for the term "/and" as may appear herein, which describes another associative object relationship, it means that two relationships may exist, e.g., a/and B, may mean: a exists independently, and A and B exist independently; in addition, for the character "/" that may appear herein, it generally means that the former and latter associated objects are in an "or" relationship.
It should be understood that specific details are provided in the following description to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may not be shown in unnecessary detail to avoid obscuring the examples.
The TCP/IP protocol family is a four-layer protocol system, which includes a data link layer, a network layer, a transport layer and an application layer from the bottom to the top, each layer performing different functions and being implemented by a plurality of protocols. The existing control and configuration protocol CAPWAP of wireless access points is an application layer above the transport layer according to the TCP/IP four-layer model, the original socket udp socket based on the application layer is the CAPWAP protocol based on udp protocol encapsulation, which must rely on IP addresses.
As shown in fig. 1, a first aspect of the present invention discloses a method for configuring and managing an AP, where the method involves two ends, and one end is a management device end, which may be an intelligent device such as a mobile phone, a computer, and a tablet, and the system of the method is not particularly limited; the other end is an AP, and the end can be a single AP or a plurality of APs; i.e. there may be a one-to-one or one-to-many relationship between the managing device and the AP. When the management side performs AP management, the management side includes 4 stages, and specifically, the method for configuring and managing an AP includes the following steps S01 to S04.
Step S01, configuration phase, making the management device and the AP both follow the same network layer protocol.
In this stage, configuration is performed at the AP side and the management device side, respectively:
aiming at the AP end, an original socket raw socket based on a data link layer is established, the original socket is bound to a network card interface, for example, the original socket can be bound to eth0, and then a self-defined network layer protocol is specified.
For the management device side, an original socket raw socket based on a data link layer is also established and bound to a network card interface, such as eth 0; and then appointing a self-defined network layer protocol, wherein the self-defined network layer protocols of the management equipment end and the AP end are the same.
The customized network layer Protocol may adopt an AP Raw Socket management Protocol (APRSMP), and the VAPRSMP Protocol is a Protocol based on Raw sockets of a data link layer, and does not require a device to have an IP address.
The data packet of the VAPRSMP protocol is a self-defined message and comprises a message header and a message body, wherein the data body is data in a json format, the message header comprises a destination MAC, a source MAC, a network protocol type, a message length, a message type and an extension field, and the message length is used for determining the total length of the message in the message; the message type is the specific message type of VAPRSMP; the extension field can be used for customization, and a specific structure thereof can be seen in fig. 2.
The link layer raw socket calls socket () function creation. The first parameter specifies the protocol family type as PF _ PACKET, the second parameter type can be set to SOCK _ RAW or SOCK _ DGRAM, and the third parameter is the protocol type, which is only meaningful for PACKET reception.
socket(PF_PACKET,type,htons(protocol))
In the following steps, the information interaction between the management device and the AP is based on the created raw socket, and both follow the VAPRSMP protocol.
Step S02, during the probing phase, the management end finds the manageable AP and obtains the MAC addresses of the two parties.
The detection stage is initiated by a management device, and the management device firstly sends a first data packet for requesting detection, wherein the first data packet comprises an MAC address and a broadcast address of the first data packet. A Broadcast Address (Broadcast Address) is an Address dedicated to transmitting to all stations in the network simultaneously. The destination address in the message header of the first data packet message is a broadcast address, the source MAC is the MAC of the first data packet message, and the network protocol type is the VAPRSMP protocol.
After receiving the first data packet, the AP in the same network analyzes a source MAC in the data packet, records and stores the source MAC as the MAC of the management equipment, and sends a second data packet to the management equipment according to the MAC address, wherein the destination address in the second data packet is the MAC of the management equipment, the source MAC is the MAC of the AP, and the network protocol type is a VAPRSMP protocol.
And after receiving the second data packet, the management equipment analyzes the second data packet and stores the MAC of the AP.
Step S03, a configuration phase, in which the management device obtains the API list of the AP, determines which management and configuration functions are provided by the AP, and provides a premise for a specific management task in the management phase.
And the configuration stage is also initiated by a management equipment terminal, and the management equipment sends a third data packet to the AP corresponding to the second data packet according to the MAC address, wherein the third data packet comprises a management API (application program interface) acquisition request. The source MAC of the third data packet is the MAC of the management device, the destination MAC is the MAC of the AP, and the network protocol type is the VAPRSMP protocol.
And after receiving the third data packet, the AP corresponding to the destination MAC in the third data packet acquires an API interface list according to the management API acquisition request and transmits a response message to the management device, where the response message includes the API interface list, and the API interface list is data defining an API function opened by the AP. The AP sends the API interface list to the management device, which also follows the message format shown in fig. 2, and the destination address is the MAC of the management device, the source MAC is the MAC of the AP itself, the network protocol type is the VAPRSMP protocol, and the message body is the API interface list.
After receiving the response message, the management device analyzes the message, obtains and stores an API interface list, and at the moment, the management device can know which management functions are provided by the AP by calling the API interface list.
Step S04, configuration phase, which is mainly to manage and configure the AP.
And the configuration stage is also initiated by the management equipment end, the configuration parameters of the API are set according to the API interface list, and after the configuration is completed, the management equipment end sends a fourth data packet to the AP corresponding to the second data packet according to the MAC address, wherein the fourth data packet comprises at least one API in the API interface list and the parameters corresponding to the API. The source MAC in the fourth data packet is the MAC of the management device itself, the destination MAC is the MAC of the AP, the network protocol type is the VAPRSMP protocol, and the message body is the API and the parameters corresponding to the API. For example, the API interface list defines an API for setting a wireless hotspot name of the AP, and then the management end issues a management request, and a message body of the management request packet needs to fill the API for setting the AP hotspot name and specific parameters.
And after receiving the fourth data packet, the AP updates the corresponding parameters according to the API in the fourth data packet.
Furthermore, after the update is completed, a fifth data packet may be further sent to the management device, where the fifth data packet includes at least one API and an API update result. The destination address of the fifth data packet is the MAC of the management device, the source MAC is the MAC of the AP, the network protocol type is the VAPRSMP protocol, and the message body is the API and the API updating result.
And after receiving the fifth data packet, the management device judges whether the AP execution result is successful.
By adopting the method of the first aspect of the invention, the raw socket based on the data link layer can be configured without depending on the IP address; and simultaneously, IP address resources are saved.
A second aspect of the present invention provides an apparatus for configuring and managing an AP, including a memory and a controller, which are sequentially connected in communication, where the memory stores a computer program thereon, and the controller is configured to read the computer program and execute the method for configuring and managing an AP according to the first aspect, the second aspect, and any one of the possibilities.
The third aspect of the present invention provides a system for configuring and managing an AP, comprising a management side and at least one AP,
the management terminal comprises a memory and a controller which are sequentially connected in a communication manner, wherein the memory is stored with a computer program, and the controller is used for reading the computer program and executing the method for configuring and managing the AP in the first aspect and any one of the possibilities;
the AP comprises a memory and a controller, which are in turn communicatively connected, the memory having stored thereon a computer program, the controller being configured to read the computer program and execute the method of configuring a management AP according to the second aspect and any one of its possibilities.
The second and third aspects of the present invention provide an apparatus and system for configuring and managing an AP, and the operation principle of the apparatus and system is detailed in the first aspect and will not be described herein.
A fourth aspect of the present invention provides a computer-readable storage medium having stored thereon instructions which, when executed on a computer, perform the method of configuring a management AP as set forth in the first aspect, the second aspect, and any one of their possibilities. The readable storage medium may include, but is not limited to, a Random-Access Memory (RAM), a Read-Only Memory (ROM), a Flash Memory (Flash Memory), a First-in First-out (FIFO), and/or a First-in Last-out (FILO), and the like.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: modifications may be made to the embodiments described above, or equivalents may be substituted for some of the features described. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A method for configuring a management AP, comprising the steps of:
establishing an original socket raw socket based on a data link layer and binding the original socket raw socket to a network card interface;
sending a first data packet for requesting probing, wherein the first data packet comprises a MAC address and a broadcast address of the management device;
receiving a second data packet sent by a wireless access node (AP), wherein the second data packet comprises a Media Access Control (MAC) address of the AP;
sending a third data packet to the AP corresponding to the second data packet according to the MAC address, wherein the third data packet comprises a management API acquisition request;
receiving a response message corresponding to the management API acquisition request, wherein the response message comprises an API interface list of an AP corresponding to a second data packet, and the API interface list is data defining API functions opened by the AP;
and sending a fourth data packet to the AP corresponding to the second data packet according to the MAC address, wherein the fourth data packet comprises at least one API in the API interface list and parameters corresponding to the API.
2. The method of claim 1, wherein the first, second, third, acknowledgement, and fourth packets comprise a header and a body, and wherein the header comprises a destination MAC, a source MAC, and a network protocol type.
3. The method of claim 2, wherein the message header further comprises at least one of a message length, a message type, and an extension field.
4. A method for configuring a management AP, comprising the steps of:
establishing an original socket raw socket based on a data link layer and binding the original socket raw socket to a network card interface;
receiving a first data packet, wherein the first data packet comprises an MAC address of a management device;
sending a second data packet to the management device according to the MAC address, wherein the second data packet comprises the MAC address of the second data packet;
acquiring a third data packet issued by management equipment, wherein the third data packet comprises a management API acquisition request;
acquiring an API interface list according to a management API acquisition request and sending a response message to management equipment, wherein the response message comprises the API interface list, and the API interface list is data defining API functions opened by an AP;
receiving a fourth data packet of the management device, wherein the fourth data packet comprises at least one API in the API interface list and parameters corresponding to the API;
and updating the corresponding parameters according to the API in the fourth data packet.
5. The method of claim 4, wherein the updating the corresponding parameter according to the API in the fourth packet further comprises:
and sending a fifth data packet to the management device, wherein the fifth data packet comprises at least one API and an API updating result.
6. An apparatus for configuring an AP, comprising a memory and a controller communicatively coupled in turn, the memory having stored thereon a computer program, characterized in that: the controller is configured to read the computer program and execute the method of configuring a management AP according to any one of claims 1 to 5.
7. A system for configuring and managing an AP (access point), which comprises a management end and at least one AP, and is characterized in that:
the management terminal comprises a memory and a controller which are sequentially connected in a communication manner, wherein the memory is stored with a computer program, and the controller is used for reading the computer program and executing the method for configuring and managing the AP according to any one of claims 1 to 3;
the AP comprises a memory and a controller, which are in turn communicatively connected, the memory having stored thereon a computer program, the controller being configured to read the computer program and perform the method of configuring a management AP according to any of claims 4 to 5.
8. A computer-readable storage medium having instructions stored thereon, characterized in that: the instructions, when executed on a computer, perform the method of configuring a management AP of any of claims 1-5.
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