CN113079510A - Signal processing method, communication device and storage medium - Google Patents
Signal processing method, communication device and storage medium Download PDFInfo
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- CN113079510A CN113079510A CN201911303816.0A CN201911303816A CN113079510A CN 113079510 A CN113079510 A CN 113079510A CN 201911303816 A CN201911303816 A CN 201911303816A CN 113079510 A CN113079510 A CN 113079510A
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- 238000004891 communication Methods 0.000 title claims abstract description 137
- 238000003672 processing method Methods 0.000 title abstract description 10
- 238000000034 method Methods 0.000 claims description 19
- 238000004590 computer program Methods 0.000 claims description 9
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 11
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- 230000003287 optical effect Effects 0.000 description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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Abstract
The embodiment of the invention provides a signal processing method, a communication device and a storage medium, wherein a communication device with a plurality of communication connection interfaces is accessed into a wireless local area network, address identifications of external equipment connected with the communication connection interfaces are obtained, the address identifications and port numbers of the communication connection interfaces are bound and stored, the address identification in a first uplink data packet sent by the external equipment is replaced by the address identification of the communication device, so that a second uplink data packet is determined, the second uplink data packet is sent to a wireless local area network access point, the problem that the equipment is limited when being accessed into the wireless local area network is solved, and the use requirement of a user on a wireless network is met.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a signal processing method, a communication apparatus, and a storage medium.
Background
In the periphery of our people, there are a lot of wireless local area networks, but due to security considerations or business considerations, some wireless local area networks have various limitations in use, for example, wireless local area network services in hotels, coffee shops and the like, it is common that a network user is only permitted to access the wireless local area network through user name and password authentication by using a mobile phone or a notebook computer, and only the device (mobile phone/notebook computer) performing the authentication action can access the network, while other user devices, such as devices requiring internet access and devices without web authentication function, cannot access the network.
In addition, some wireless local area networks also impose severe restrictions on the MAC address of an access-authenticated device or the number of devices that the same account allows access to, which results in difficulties for users wishing to access new devices or access more than a limited number of devices.
Disclosure of Invention
In view of this, embodiments of the present invention provide a signal processing method, a communication apparatus, and a storage medium, which are used to solve the problem that access of a device to a wireless local area network is limited, and meet the use requirement of a user on the wireless network.
In a first aspect, an embodiment of the present invention provides a signal processing method, where the method includes:
accessing a wireless local area network to establish wireless data communication connection;
detecting an external device connected with a communication connection interface to acquire an address identifier of the external device;
binding and storing the address identifier and the port number of the communication connection interface;
receiving a first uplink data packet sent by external equipment through the communication connection interface;
replacing the address identifier of the external equipment in the first uplink data packet with the address identifier of the device to determine a second uplink data packet;
and transmitting the second uplink data packet through the wireless communication data communication connection.
Preferably, after the data communication connection is established by accessing the wireless local area network, the method further includes:
receiving a first downlink data packet over the wireless data communication connection, the first downlink data packet including a port number;
inquiring the address identifier of the bound external equipment according to the port number;
replacing the address identifier in the first downlink data packet with the address identifier of the external device to determine a second downlink data packet;
and sending the second downlink data packet to a corresponding communication connection interface.
Preferably, the accessing the wireless local area network to establish the wireless data communication connection includes:
acquiring an access password of a wireless local area network;
and initiating an access request according to the access password to establish the wireless data communication connection.
Preferably, the address identification is a MAC address.
Preferably, the communication connection interface comprises an RJ-45 interface, a USB interface and a wireless communication interface.
In a second aspect, an embodiment of the present invention provides a communication apparatus, where the apparatus includes:
the wireless local area network communication module is used for accessing a wireless local area network;
the communication connection interface is used for connecting external equipment; and
a data processing device connected with the wireless local area network communication module and the communication interface, and configured to perform the following steps:
detecting an external device connected with a communication connection interface to acquire an address identifier of the external device;
binding and storing the address identifier and the port number of the communication connection interface;
receiving a first uplink data packet sent by external equipment through a communication connection interface;
replacing the address identifier of the external equipment in the uplink data packet with the address identifier of the device to determine a second uplink data packet;
and transmitting the second uplink data packet through the wireless data communication connection.
Preferably, the data processing apparatus is further configured to perform the steps of:
receiving a first downlink data packet over the wireless data communication connection, the first downlink data packet including a port number;
inquiring the address identifier of the bound external equipment according to the port number;
replacing the address identifier in the first downlink data packet with the address identifier of the external device to determine a second downlink data packet;
and sending the second downlink data packet to a corresponding communication connection interface.
Preferably, the address identification is a MAC address.
Preferably, the communication connection interface comprises an RJ-45 interface, a USB interface and a wireless communication interface.
In a third aspect, an embodiment of the present invention provides a computer-readable storage medium on which computer program instructions are stored, where the computer program instructions, when executed by a processor, implement the method according to the first aspect.
The embodiment of the invention accesses a communication device with a plurality of communication connection interfaces into a wireless local area network, acquires the address identifiers of external equipment connected with the plurality of communication connection interfaces, binds and stores the address identifiers and the port numbers of the communication connection interfaces, replaces the address identifiers in a first uplink data packet sent by the external equipment with the address identifiers of the communication device, thereby determining a second uplink data packet, and sends the second uplink data packet to a wireless local area network access point, thereby solving the problem that the equipment is limited to access the wireless local area network and meeting the use requirements of users on the wireless network.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a communication device of an embodiment of the present invention;
FIG. 3 is a flow chart of a signal processing method of an embodiment of the present invention;
FIG. 4 is a diagram of a MAC address table of an embodiment of the present invention;
fig. 5 is a schematic diagram of another signal processing method according to an embodiment of the invention.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout this specification, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Fig. 1 is a schematic view of an application scenario of an embodiment of the present invention. As shown in fig. 1, the communication device 12 establishes a wireless data communication connection with the wireless network access point 11, and establishes a wired or wireless data communication connection with the external device 13. The communication means 12 are used to enable the external device 13 to access the wireless network.
Fig. 2 is a schematic diagram of a communication device according to an embodiment of the present invention. As shown in fig. 2, the communication device includes a wireless lan communication module 21, a data processing device 22, and a communication connection interface 23.
The wireless local area network communication module 21 is configured to access a wireless local area network. The communication connection interface 23 is used to connect an external device. And the data processing device 22 is connected with the wireless local area network communication module 21 and the communication interface 23, and is configured to execute the method flows of the embodiments of the present invention as shown in fig. 3 and fig. 4 to implement processing of data and control of other devices.
In the embodiment of the present invention, the communication connection interface 23 includes a plurality of interfaces, including an RJ-45 interface, a USB interface, and a wireless communication interface.
Fig. 3 is a flow chart of a signal processing method of an embodiment of the present invention. As shown in fig. 3, the main execution body of the method is a communication device, and the method comprises the following steps:
step S310, accessing the wireless local area network to establish wireless data communication connection.
Specifically, step S310 may include:
step S311, obtaining an access password of the wireless lan.
Step S312, an access request is initiated according to the access password to establish the wireless data communication connection.
Specifically, the wireless local area network communication module initiates an access request according to the access password so as to establish the wireless data communication connection, so that the communication device accesses the wireless local area network. Step S320, detecting an external device connected to the communication connection interface to obtain an address identifier of the external device.
In the embodiment of the present invention, the address identifier is a MAC address. The MAC (Media Access Control) address is translated into a Media Access Control, or physical address, hardware address, which defines the location of the network device, and is written inside the hardware when produced by the network device manufacturer. Each network device has a specific MAC address, which is unique by the physical address of the network device, and each network device MAC address is different and unique.
When an external device is connected to a communication connection interface of a communication apparatus, the communication apparatus automatically acquires a MAC address of the external device.
Step S330, binding and storing the address identification and the port number of the communication connection interface.
As shown in fig. 4, the MAC address and the port number of the communication connection interface are mapped one to one in a "table", that is, the address identifier and the port number of the communication connection interface are bound.
That is, the external device transmits a packet (each packet includes a MAC address) to the communication apparatus, and after the packet enters the data processing apparatus from the communication connection interface, the data processing apparatus checks a MAC address field in the packet, puts a value of the field (the MAC address of the external device) in a MAC address table, and associates it with the communication connection interface, indicating the external device to which the communication connection interface is connected.
Step S340, receiving a first uplink data packet sent by the external device through the communication connection interface.
The first uplink data packet comprises an address identification of an external device.
Step S350, replacing the address identifier of the external device in the first uplink data packet with the address identifier of the device to determine a second uplink data packet.
In step S350, the MAC address of the external device is hidden by replacing the MAC address of the external device in the first uplink packet with the MAC address of the local device.
Step S360, sending the second uplink data packet through the wireless communication data communication connection.
Wherein the second uplink data packet comprises an address identification of the communication device.
Specifically, the second uplink data packet is sent to the wireless network access point through the wireless communication data communication connection.
In the embodiment of the invention, because the communication device has access to the network, namely, the communication device passes the MAC address authentication of the wireless local area network, the MAC address authentication of the external equipment to access the wireless network can be completed by hiding the MAC address of the external equipment, and then the wireless local area network is accessed.
In addition, in the embodiment of the invention, the communication device is provided with a plurality of communication connection interfaces including the RJ-45 interface, the USB interface and the wireless communication interface, so that equipment without wireless network access capability and equipment without web authentication function can access the wireless local area network, and the wireless local area network which strictly limits the MAC address of the equipment with access authentication or the number of the equipment allowed to be accessed by the same account can access more equipment, thereby meeting the wireless network use requirement of a user and improving the applicable scene type of the device.
The embodiment of the invention accesses a communication device with a plurality of communication connection interfaces into a wireless local area network, acquires the address identifiers of external equipment connected with the plurality of communication connection interfaces, binds and stores the address identifiers and the port numbers of the communication connection interfaces, replaces the address identifiers in a first uplink data packet sent by the external equipment with the address identifiers of the communication device, thereby determining a second uplink data packet, and sends the second uplink data packet to a wireless local area network access point, thereby solving the problem that the equipment is limited to access the wireless local area network and meeting the use requirements of users on the wireless network.
Fig. 4 is a diagram of a MAC address table according to an embodiment of the present invention. As shown in fig. 4, the MAC address table includes port numbers of the communication connection interfaces and MAC addresses of the external devices connected to the communication connection interfaces, and the port numbers of the communication connection interfaces and the MAC addresses of the external devices connected to the communication connection interfaces are in one-to-one correspondence.
In the embodiment of the present invention, port number 1 corresponds to MAC address 1, port number 2 corresponds to MAC address 2, and so on.
Of course, other naming schemes may be used to name the port numbers.
Fig. 5 is a schematic diagram of another signal processing method according to an embodiment of the invention. As shown in fig. 5, the method comprises the steps of:
steps S510 to S560 are similar to steps S310 to S360 in fig. 3, and are not described herein again.
Step S570, the wireless network access point receives the second uplink data packet.
Specifically, the wireless network access point receives the second uplink data packet through a wireless data communication connection.
Step S580, the wireless network access point detects the address identifier in the second uplink data packet.
In step S580, MAC address detection is performed on the device to be accessed to the network, and whether the MAC address is a MAC address allowing access to the wireless lan is detected.
Step S590, in response to that the address identifier in the second uplink data packet is an address identifier allowing access to the wireless local area network, the wireless network access point sends a first downlink data packet, where the first downlink data packet includes a port number.
Specifically, the first downlink data packet includes identification data for accessing the device to the wireless network. The port number is a port number of the communication connection interface.
Step S600, the communication device receives the first downlink data packet through the wireless data communication connection.
Step S610, the communication device queries the address identifier of the bound external device according to the port number.
And after receiving the first downlink data packet, the communication device reads the port number packaged in the data frame, and then searches the constructed MAC address table according to the port number to obtain the address identifier of the external equipment bound with the port number.
Step S620, the communication device replaces the address identifier in the first downlink data packet with the address identifier of the external device to determine a second downlink data packet.
And replacing the MAC address in the first downlink data packet which is subjected to the wireless network authentication with the MAC address of the external equipment corresponding to the port number of the communication connection interface, thereby obtaining a second downlink data packet.
Step S630, the communication device sends the second downlink data packet to the corresponding communication connection interface.
And sending the second downlink data packet to a corresponding communication connection interface according to the port number.
Step S640, the external device receives the second downlink data packet through the communication connection interface.
And the external equipment receives the second downlink data packet and accesses the network through the second downlink data packet.
The embodiment of the invention accesses a communication device with a plurality of communication connection interfaces into a wireless local area network, acquires the address identifiers of external equipment connected with the plurality of communication connection interfaces, binds and stores the address identifiers and the port numbers of the communication connection interfaces, replaces the address identifiers in a first uplink data packet sent by the external equipment with the address identifiers of the communication device, thereby determining a second uplink data packet, and sends the second uplink data packet to a wireless local area network access point, thereby solving the problem that the equipment is limited to access the wireless local area network and meeting the use requirements of users on the wireless network.
The flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention described above illustrate various aspects of the invention. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks.
Also, as will be appreciated by one skilled in the art, aspects of embodiments of the present invention may be embodied as a system, method or computer program product. Accordingly, various aspects of embodiments of the invention may take the form of: an entirely hardware embodiment, an entirely software embodiment (including firmware, resident software, micro-code, etc.) or an embodiment combining software and hardware aspects that may all generally be referred to herein as a "circuit," module "or" system. Further, aspects of the invention may take the form of: a computer program product embodied in one or more computer readable media having computer readable program code embodied thereon.
Any combination of one or more computer-readable media may be utilized. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, 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. In the context of embodiments of the present invention, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated signal may take any of a variety of forms, including, but not limited to: electromagnetic, optical, or any suitable combination thereof. The computer readable signal medium may be any of the following computer readable media: is not a computer readable storage medium and may communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including: object oriented programming languages such as Java, Smalltalk, C + +, PHP, Python, and 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 computer, partly on the user's computer, as a stand-alone software package; executing in part on a user computer and in part on a remote computer; or entirely on a remote computer or server. In the latter scenario, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method of signal processing, the method comprising:
accessing a wireless local area network to establish wireless data communication connection;
detecting an external device connected with a communication connection interface to acquire an address identifier of the external device;
binding and storing the address identifier and the port number of the communication connection interface;
receiving a first uplink data packet sent by external equipment through the communication connection interface;
replacing the address identifier of the external equipment in the first uplink data packet with the address identifier of the device to determine a second uplink data packet;
and transmitting the second uplink data packet through the wireless communication data communication connection.
2. The method of claim 1, wherein after establishing the data communication connection with the access wireless local area network, the method further comprises:
receiving a first downlink data packet over the wireless data communication connection, the first downlink data packet including a port number;
inquiring the address identifier of the bound external equipment according to the port number;
replacing the address identifier in the first downlink data packet with the address identifier of the external device to determine a second downlink data packet;
and sending the second downlink data packet to a corresponding communication connection interface.
3. The method of claim 1, wherein the accessing the wireless local area network to establish the wireless data communication connection comprises:
acquiring an access password of a wireless local area network;
and initiating an access request according to the access password to establish the wireless data communication connection.
4. The method of claim 1, wherein the address identifier is a MAC address.
5. The method of claim 1, wherein the communication connection interface comprises an RJ-45 interface, a USB interface, and a wireless communication interface.
6. A communication device, comprising:
the wireless local area network communication module is used for accessing a wireless local area network;
the communication connection interface is used for connecting external equipment;
a data processing device connected with the wireless local area network communication module and the communication interface, and configured to perform the following steps:
detecting an external device connected with a communication connection interface to acquire an address identifier of the external device;
binding and storing the address identifier and the port number of the communication connection interface;
receiving a first uplink data packet sent by external equipment through a communication connection interface;
replacing the address identifier of the external equipment in the uplink data packet with the address identifier of the device to determine a second uplink data packet;
and transmitting the second uplink data packet through the wireless data communication connection.
7. The apparatus according to claim 6, wherein the data processing apparatus is further configured to perform the steps of:
receiving a first downlink data packet over the wireless data communication connection, the first downlink data packet including a port number;
inquiring the address identifier of the bound external equipment according to the port number;
replacing the address identifier in the first downlink data packet with the address identifier of the external device to determine a second downlink data packet;
and sending the second downlink data packet to a corresponding communication connection interface.
8. The apparatus of claim 6, wherein the address identifier is a MAC address.
9. The apparatus of claim 6, wherein the communication connection interface comprises an RJ-45 interface, a USB interface, and a wireless communication interface.
10. A computer-readable storage medium on which computer program instructions are stored, which, when executed by a processor, implement the method of any one of claims 1-5.
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| CN201911303816.0A CN113079510A (en) | 2019-12-17 | 2019-12-17 | Signal processing method, communication device and storage medium |
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Application publication date: 20210706 |