CN113556409A - IP address retrieving method, system, terminal and storage medium - Google Patents
IP address retrieving method, system, terminal and storage medium Download PDFInfo
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- CN113556409A CN113556409A CN202110626931.2A CN202110626931A CN113556409A CN 113556409 A CN113556409 A CN 113556409A CN 202110626931 A CN202110626931 A CN 202110626931A CN 113556409 A CN113556409 A CN 113556409A
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- 238000011084 recovery Methods 0.000 claims description 26
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
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Abstract
The invention discloses a method, a system, a terminal and a storage medium for retrieving an IP address, wherein the method comprises the following steps: the method comprises the steps that an equipment terminal obtains a specified data packet sent by a user terminal; then generating a target data packet comprising the first designated field information and an IP address according to the designated data packet; and then the target data packet is sent to the user terminal. Then, the user terminal obtains a target data packet sent by the equipment terminal; then acquiring first appointed field information in the target data packet, and matching the first appointed field information to obtain a matching result; and finally, storing the IP address in the target data packet according to the matching result. The invention can acquire the IP addresses of all the motion controllers in the local area network, realize the timely acquisition of the IP addresses and avoid the problem that the communication with the controllers cannot be realized in the local area network.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, a system, a terminal, and a storage medium for retrieving an IP address.
Background
The motion controller communicates with the PC via a network. In the actual application process, the situation that an operator forgets after setting a certain IP address is sometimes encountered. Or an IP address other than the home network segment address is set, so that the IP address cannot be obtained in time, and therefore, the problem that the communication with the controller cannot be performed in the local area network occurs.
Thus, there is a need for improvements and enhancements in the art.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method, a system, a terminal and a storage medium for retrieving an IP address, aiming at solving the problem that the IP address cannot be obtained in time in the prior art, and therefore the communication with a controller cannot occur in a local area network.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
in a first aspect, the present invention provides an IP address recovery method, where the IP address recovery method is applied to a user terminal in an IP address recovery system, where the IP address recovery system includes the user terminal and a device terminal in communication connection with the user terminal; the method comprises the following steps:
acquiring a target data packet sent by the equipment terminal;
acquiring first appointed field information in the target data packet, and matching the first appointed field information to obtain a matching result;
and saving the IP address in the target data packet according to the matching result.
In an implementation manner, before the obtaining of the target data packet sent by the device terminal, the method includes:
and broadcasting and sending a specified data packet in a whole network segment, wherein the specified data packet comprises second specified field information.
In one implementation, the obtaining first specific field information in the data packet and matching the first specific field information to obtain a matching result includes:
reading a target data packet sent by the equipment terminal after receiving the target data packet;
analyzing the target data packet to obtain first designated field information in the target data packet;
and matching the first designated field information with preset first standard field information to obtain the matching result.
In one implementation, the matching the first specified field information with preset first standard field information to obtain the matching result includes:
if the first designated field information is the same as the first standard field information, determining that the matching result is successful;
and if the first designated field information is not the same as the first standard field information, determining that the matching result is matching failure.
In a second aspect, an embodiment of the present invention further provides an IP address recovery method, where the IP address recovery method is applied to a device terminal in an IP address recovery system, where the IP address recovery system includes the device terminal and a user terminal in communication connection with the device terminal; the method comprises the following steps:
acquiring a designated data packet sent by the user terminal;
generating a target data packet comprising first designated field information and an IP address according to the designated data packet;
and sending the target data packet to the user terminal.
In one implementation, the generating a destination packet including the first specified field information and an IP address according to the specified packet includes:
analyzing the specified data packet to obtain second specified field information in the specified data packet;
matching the second specified field information with preset second standard field information to obtain a matching result;
and generating a target data packet comprising the first designated field information and the IP address according to the matching result.
In one implementation, the generating a destination packet including the first specified field information and an IP address according to the matching result includes:
if the second specified field information is the same as the second standard field information, the matching result is successful;
and acquiring the IP address of the equipment terminal, and generating a target data packet comprising the first designated field information and the IP address.
In a third aspect, an embodiment of the present invention further provides an IP address recovery system, where the IP address recovery system includes a user terminal and a device terminal in communication connection with the user terminal; wherein,
the user terminal includes:
the target data packet acquisition module is used for acquiring a target data packet sent by the equipment terminal;
the field information matching module is used for acquiring first appointed field information in the target data packet and matching the first appointed field information to obtain a matching result;
the IP address storage module is used for storing the IP address in the target data packet according to the matching result;
the device terminal includes:
the appointed data packet acquisition module is used for acquiring the appointed data packet sent by the user terminal;
a target data packet generating module, configured to generate a target data packet including the first specified field information and an IP address according to the specified data packet;
and the target data packet sending module is used for sending the target data packet to the user terminal.
In a fourth aspect, an embodiment of the present invention further provides a terminal, where the terminal includes a memory, a processor, and an IP address recovery program that is stored in the memory and is executable on the processor, and when the processor executes the IP address recovery program, the steps of the IP address recovery method in any one of the foregoing schemes are implemented.
In a fifth aspect, an embodiment of the present invention further provides a computer-readable storage medium, where an IP address recovery program is stored on the computer-readable storage medium, and when the IP address recovery program is executed by a processor, the steps of the IP address recovery method in any one of the above-mentioned schemes are implemented.
Has the advantages that: compared with the prior art, the invention provides an IP address retrieving method, and the equipment terminal acquires a specified data packet sent by a user terminal; then generating a target data packet comprising the first designated field information and an IP address according to the designated data packet; and then the target data packet is sent to the user terminal. Then, the user terminal obtains a target data packet sent by the equipment terminal; then acquiring first appointed field information in the target data packet, and matching the first appointed field information to obtain a matching result; and finally, storing the IP address in the target data packet according to the matching result. The invention can acquire the IP addresses of all the motion controllers in the local area network, realize the timely acquisition of the IP addresses and avoid the problem that the communication with the controllers cannot be realized in the local area network.
Drawings
Fig. 1 is a flowchart of a specific implementation of an IP address recovery method according to an embodiment of the present invention.
Fig. 2 is a flowchart of a specific implementation manner of applying the IP address recovery method provided in the embodiment of the present invention to a device terminal.
Fig. 3 is a flowchart of a specific implementation manner of applying the IP address recovery method provided in the embodiment of the present invention to a user terminal.
Fig. 4 is a schematic block diagram of an IP address recovery system according to an embodiment of the present invention.
Fig. 5 is a schematic block diagram of an internal structure of a terminal according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Research shows that the motion controller communicates with the PC through a network. In the actual application process, the situation that an operator forgets after setting a certain IP address is sometimes encountered. Or an IP address other than the home network segment address is set, so that the IP address cannot be obtained in time, and therefore, the problem that the communication with the controller cannot be performed in the local area network occurs.
In order to solve the problems in the prior art, this embodiment provides an IP address retrieving method, where the method includes: the method comprises the steps that an equipment terminal obtains a specified data packet sent by a user terminal; then generating a target data packet comprising the first designated field information and an IP address according to the designated data packet; and then the target data packet is sent to the user terminal. Then, the user terminal obtains a target data packet sent by the equipment terminal; then acquiring first appointed field information in the target data packet, and matching the first appointed field information to obtain a matching result; and finally, storing the IP address in the target data packet according to the matching result. The invention can acquire the IP addresses of all the motion controllers in the local area network, realize the timely acquisition of the IP addresses and avoid the problem that the communication with the controllers cannot be realized in the local area network.
In specific implementation, the IP address retrieving method in this embodiment is an interaction between two terminals, which are a user terminal and a device terminal, respectively. As shown in fig. 1, the method comprises the steps of:
step S100, the equipment terminal obtains a designated data packet sent by the user terminal;
step S200, the equipment terminal generates a target data packet comprising the first designated field information and an IP address according to the designated data packet;
step S300, the equipment terminal sends the target data packet to the user terminal;
step S400, the user terminal acquires a target data packet sent by the equipment terminal;
step S500, the user terminal obtains first appointed field information in the target data packet, and matches the first appointed field information to obtain a matching result;
and step S600, the user terminal stores the IP address in the target data packet according to the matching result.
That is to say, in this embodiment, the user terminal firstly broadcasts and transmits a specified data packet in the whole network segment, and after the specified data packet is received by the device terminal, the device terminal generates a target data packet according to the specified data packet, where the target data packet includes the first specified field information and the IP address, and therefore, after the device terminal transmits the target data packet to the user terminal, the user terminal can obtain the IP address according to the target data packet and store the IP address, so as to achieve the acquisition of the IP address.
In one implementation manner, when the IP address recovery method of this embodiment is applied to a device terminal, as shown in fig. 2, the method includes the following steps:
step S10, acquiring the appointed data packet sent by the user terminal;
step S20, generating a target data packet including first designated field information and an IP address according to the designated data packet;
and step S30, sending the target data packet to the user terminal.
In specific implementation, the ue firstly broadcasts and transmits a specific data packet in a network segment, where the specific data packet includes the second specific field information. The second specific field information includes header information, command information, data information, and the like, as shown in table 1 below, where table 1 shows an exemplary form of the second specific field information and functions of each part.
In this embodiment, the second specified field information is used for setting an IP address network segment. After the equipment terminal receives the specified data packet, the equipment terminal analyzes the specified data packet to obtain second specified field information in the specified data packet because the specified data packet comprises the second specified field information; then matching the second specified field information with preset second standard field information to obtain a matching result; and generating a target data packet comprising the first designated field information and the IP address according to the matching result. If the second specified field information is the same as the second standard field information, the matching result is a successful matching, and at this time, the device terminal obtains the IP address of the device terminal according to the second specified field information, for example, the second field information 0xc0a80101 indicates that the controller network segment is set to 192.168.1.1. If the controller IP address is 192.167.3.100, the IP address will be set to 192.168.1.100 automatically after receiving the command in the second field information. And when the IP address is obtained, the equipment terminal generates a target data packet comprising the first appointed field information and the IP address.
In the present embodiment, the first specific field information includes packet header information, command information, data information, and the like, as shown in table 2 below, and table 2 shows an exemplary form of the first specific field information and roles of respective portions.
If the controller IP address is 192.167.3.100 and the command in the first specific field information is to modify the network segment to 192.168.1.1, the IP address is set to 192.168.1.100, and if the setting is successful, the IP address is returned to the user terminal, so that the user terminal can obtain the IP address from the target data packet and store the IP address.
In one implementation manner, when the IP address recovery method of the present embodiment is applied to a user terminal, as shown in fig. 3, the method includes the following steps:
step S1, acquiring a target data packet sent by the equipment terminal;
step S2, acquiring first appointed field information in the target data packet, and matching the first appointed field information to obtain a matching result;
and step S3, saving the IP address in the target data packet according to the matching result.
Specifically, after the user terminal receives the target data packet, the user terminal analyzes the target data packet to obtain first specified field information in the target data packet. And then the user terminal matches the first appointed field information with preset first standard field information to obtain the matching result. If the first designated field information is the same as the first standard field information, determining that the matching result is successful; and if the first designated field information is not the same as the first standard field information, determining that the matching result is matching failure. If the matching is successful, the user terminal stores the IP address in the target data packet until the user terminal completely reads the target data packet.
In summary, in this embodiment, first, the device terminal obtains a designated data packet sent by the user terminal; then generating a target data packet comprising the first designated field information and an IP address according to the designated data packet; and then the target data packet is sent to the user terminal. Then, the user terminal obtains a target data packet sent by the equipment terminal; then acquiring first appointed field information in the target data packet, and matching the first appointed field information to obtain a matching result; and finally, storing the IP address in the target data packet according to the matching result. The invention can acquire the IP addresses of all the motion controllers in the local area network, realize the timely acquisition of the IP addresses and avoid the problem that the communication with the controllers cannot be realized in the local area network.
As shown in fig. 4, this embodiment further provides an IP address recovery system, which includes: a user terminal 10 and a device terminal 20 which is connected with the user terminal 10 in a communication way. The user terminal 10 includes: a target data packet obtaining module 101, a field information matching module 102 and an IP address saving module 103. Specifically, the target data packet obtaining module 101 is configured to obtain a target data packet sent by the device terminal. The field information matching module 102 is configured to obtain first specified field information in the target data packet, and match the first specified field information to obtain a matching result. The IP address saving module 103 is configured to save the IP address in the target data packet according to the matching result.
The device terminal 20 includes: a designated data packet acquisition module 201, a target data packet generation module 202 and a target data packet transmission module 203. The specified data packet obtaining module 201 is configured to obtain a specified data packet sent by the user terminal. The destination data packet generating module 202 is configured to generate a destination data packet including the first specified field information and the IP address according to the specified data packet. The destination data packet sending module 203 is configured to send the destination data packet to the user terminal.
Based on the above embodiments, the present invention further provides a terminal, and a schematic block diagram thereof may be as shown in fig. 5. The terminal comprises a processor, a memory, a network interface, a display screen and a temperature sensor which are connected through a system bus. Wherein the processor of the terminal is configured to provide computing and control capabilities. The memory of the terminal comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the terminal is used for connecting and communicating with an external terminal through a network. The computer program is executed by a processor to implement an IP address recovery method. The display screen of the terminal can be a liquid crystal display screen or an electronic ink display screen, and the temperature sensor of the terminal is arranged in the terminal in advance and used for detecting the operating temperature of internal equipment.
It will be understood by those skilled in the art that the block diagram of fig. 5 is a block diagram of only a portion of the structure associated with the inventive arrangements, and is not intended to limit the terminals to which the inventive arrangements are applied, as particular terminals may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a terminal is provided, where the terminal includes a memory, a processor, and an IP address recovery program stored in the memory and executable on the processor, and when the processor executes the IP address recovery program, the following operation instructions are implemented:
acquiring a target data packet sent by the equipment terminal;
acquiring first appointed field information in the target data packet, and matching the first appointed field information to obtain a matching result;
and saving the IP address in the target data packet according to the matching result.
Or, the following operation instructions are realized:
acquiring a designated data packet sent by the user terminal;
generating a target data packet comprising the first designated field information and an IP address according to the designated data packet;
and sending the target data packet to the user terminal.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, databases, or other media used in embodiments provided herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
In summary, the present invention discloses a method, a system, a terminal and a storage medium for retrieving an IP address, wherein the method comprises: the method comprises the steps that an equipment terminal obtains a specified data packet sent by a user terminal; then generating a target data packet comprising the first designated field information and an IP address according to the designated data packet; and then the target data packet is sent to the user terminal. Then, the user terminal obtains a target data packet sent by the equipment terminal; then acquiring first appointed field information in the target data packet, and matching the first appointed field information to obtain a matching result; and finally, storing the IP address in the target data packet according to the matching result. The invention can acquire the IP addresses of all the motion controllers in the local area network, realize the timely acquisition of the IP addresses and avoid the problem that the communication with the controllers cannot be realized in the local area network.
Finally, it should be noted that: 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: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; 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 (10)
1. An IP address retrieving method is characterized in that the IP address retrieving method is applied to a user terminal in an IP address retrieving system, wherein the IP address retrieving system comprises the user terminal and a device terminal in communication connection with the user terminal; the method comprises the following steps:
acquiring a target data packet sent by the equipment terminal;
acquiring first appointed field information in the target data packet, and matching the first appointed field information to obtain a matching result;
and according to the matching result, saving the I P address in the target data packet.
2. The IP address recovery method according to claim 1, wherein before the obtaining of the target data packet sent by the device terminal, the method includes:
and broadcasting and sending a specified data packet in a whole network segment, wherein the specified data packet comprises second specified field information.
3. The method according to claim 1, wherein the obtaining first specified field information in the data packet and matching the first specified field information to obtain a matching result comprises:
reading a target data packet sent by the equipment terminal after receiving the target data packet;
analyzing the target data packet to obtain first designated field information in the target data packet;
and matching the first designated field information with preset first standard field information to obtain the matching result.
4. The IP address recovery method according to claim 1, wherein the matching the first specified field information with preset first standard field information to obtain the matching result includes:
if the first designated field information is the same as the first standard field information, determining that the matching result is successful;
and if the first designated field information is not the same as the first standard field information, determining that the matching result is matching failure.
5. An IP address retrieving method is characterized in that the IP address retrieving method is applied to a device terminal in an IP address retrieving system, wherein the IP address retrieving system comprises the device terminal and a user terminal in communication connection with the device terminal; the method comprises the following steps:
acquiring a designated data packet sent by the user terminal;
generating a target data packet comprising first specified field information and an I P address according to the specified data packet;
and sending the target data packet to the user terminal.
6. The IP address recovery method according to claim 5, wherein the generating a destination packet including the first specified field information and the IP address according to the specified packet comprises:
analyzing the specified data packet to obtain second specified field information in the specified data packet;
matching the second specified field information with preset second standard field information to obtain a matching result;
and generating a target data packet comprising the first specified field information and the I P address according to the matching result.
7. The IP address recovery method according to claim 6, wherein the generating a destination packet including the first specified field information and an IP address according to the matching result comprises:
if the second specified field information is the same as the second standard field information, the matching result is successful;
and acquiring the IP address of the equipment terminal, and generating a target data packet comprising the first designated field information and the IP address.
8. The IP address retrieval system is characterized by comprising a user terminal and a device terminal in communication connection with the user terminal; wherein,
the user terminal includes:
the target data packet acquisition module is used for acquiring a target data packet sent by the equipment terminal;
the field information matching module is used for acquiring first appointed field information in the target data packet and matching the first appointed field information to obtain a matching result;
the IP address storage module is used for storing the IP address in the target data packet according to the matching result;
the device terminal includes:
the appointed data packet acquisition module is used for acquiring the appointed data packet sent by the user terminal;
a target data packet generating module, configured to generate a target data packet including the first specified field information and an IP address according to the specified data packet;
and the target data packet sending module is used for sending the target data packet to the user terminal.
9. A terminal, characterized in that the terminal comprises a memory, a processor and an IP address recovery program stored in the memory and operable on the processor, and the processor executes the IP address recovery program to implement the steps of the IP address recovery method according to any one of claims 1 to 7.
10. A computer-readable storage medium, having an IP address recovery program stored thereon, which, when executed by a processor, performs the steps of the IP address recovery method according to any one of claims 1 to 7.
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Application publication date: 20211026 |