CN110752975B - Network sharing method and device - Google Patents
Network sharing method and device Download PDFInfo
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- CN110752975B CN110752975B CN201910941109.8A CN201910941109A CN110752975B CN 110752975 B CN110752975 B CN 110752975B CN 201910941109 A CN201910941109 A CN 201910941109A CN 110752975 B CN110752975 B CN 110752975B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
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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
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
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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
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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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
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
- H04L61/5014—Internet protocol [IP] addresses using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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Abstract
The embodiment of the application provides a network sharing method and a device, wherein the method comprises the following steps: the wireless network interface of the first Android device is started, and the Ethernet interface of the first Android device is started. And setting the Ethernet interface mode of the first Android device as a sharing mode. And setting an Ethernet interface of the first Android device as a fixed IP address. And according to the fixed IP address of the Ethernet interface of the first Android device and the IP address of the wireless network interface, taking the first Android device as a Network Address Translation (NAT) device to perform data interaction with the second Android device. According to the technical scheme, the wireless network connected with the Android equipment is shared to other Android equipment through the Ethernet interface, so that the network cost is saved, the requirements of users in various aspects are met, and the network sharing mode is diversified.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a network sharing method and apparatus.
Background
Currently, the Android device may implement a network access function through a Wireless broadband (wifi), a mobile communication technology (e.g., a third Generation mobile communication technology (3rd-Generation, 3G), a fourth Generation mobile communication technology (4rd-Generation, 4G), and the like.
In some scenarios, some Android devices may access the internet through wifi or a mobile communication technology, and some Android devices may not access the internet due to traffic limitation or no network signal. At this time, how to share the Android devices that have access to the wireless network to other non-access-network Android devices that need to surf the internet becomes a technical problem to be solved urgently.
Disclosure of Invention
The embodiment of the application provides a network sharing method and device, and aims to solve the problem that a wireless network connected with Android equipment is shared by other Android equipment which is not connected with a network and needs to surf the internet.
In one aspect, an embodiment of the present application provides a network sharing method, where the method includes: a wireless network interface of the first Android device is started so that the first Android device is connected to a wireless network; and the Ethernet interface of the first Android device is started. And setting the Ethernet interface mode of the first Android device as a sharing mode. And setting an Ethernet interface of the first Android device as a fixed IP address. And according to the fixed IP address of the Ethernet interface of the first Android device and the IP address of the wireless network interface of the first Android device, the first Android device is used as a Network Address Translation (NAT) device to perform data interaction with the second Android device. The second Android device is connected with the first Android device through an Ethernet interface.
In one possible implementation manner, after the ethernet interface of the first Android device is set to the fixed IP address, the method further includes: and starting a Dynamic Host Configuration Protocol (DHCP) service of the first Android device. And allocating an IP address for the second Android device according to a DHCP request from the second Android device received by the Ethernet interface of the first Android device. And adding the IP address of the second Android device to a routing table of the Ethernet interface of the first Android device.
In one possible implementation manner, after the first Android device starts up its wireless network interface to connect the first Android device to a wireless network, the method further includes: the method comprises the steps of obtaining network information of the wireless network, wherein the network information of the wireless network comprises Domain Name System (DNS) information and routing information of the wireless network. And updating the original DNS information in the first Android device according to the DNS information of the wireless network. And adding the routing information of the wireless network into a routing table of a wireless network interface of the first Android device.
In a possible implementation manner, the first Android device is used as a network address translation NAT device, and is configured to instruct, when the ethernet interface of the first Android device receives the network request information, the first Android device to forward the network request to the wireless network through the wireless network interface.
In one possible implementation, the wireless network is a wireless broadband wifi or mobile network.
In one possible implementation manner, the second Android device is multiple. The first Android device and each second Android device are connected in a wired mode based on respective Ethernet interfaces to form a local area network.
On the other hand, an embodiment of the present application further provides a network sharing apparatus, where the apparatus includes: the device comprises a first starting unit, a second starting unit, a first setting unit, a second setting unit and a determining unit. The first starting unit 111 is configured to start a wireless network interface of the first Android device, so that the first Android device is connected to a wireless network. The second starting unit 112 is configured to start an ethernet interface of the first Android device. The first setting unit 120 is configured to set an ethernet interface mode of the first Android device to a sharing mode. The second setting unit 130 is configured to set an ethernet interface of the first Android device to a fixed IP address. The determining unit 140 is configured to use the first Android device as a network address translation NAT device according to the fixed IP address of the ethernet interface of the first Android device and the IP address of the wireless network interface of the first Android device, and perform data interaction with the second Android device. The second Android device is connected with the first Android device through an Ethernet interface.
In one possible implementation, the apparatus further includes: the device comprises a third starting unit, a distribution unit and a first adding unit. The third starting unit is used for starting a Dynamic Host Configuration Protocol (DHCP) service of the first Android device. The allocation unit is used for allocating an IP address for the second Android device according to a DHCP request from the second Android device received by the Ethernet interface of the first Android device. The adding unit is used for adding the IP address of the second Android device to the routing table of the Ethernet interface of the first Android device.
In one possible implementation, the apparatus further includes: the acquisition unit, the updating unit and the second adding unit are used for acquiring network information of a wireless network after a wireless network interface of the Android device is started. The network information of the wireless network includes domain name system DNS information and routing information of the wireless network. The updating unit is used for updating the original DNS information in the first Android device according to the DNS information of the wireless network. The adding unit is used for adding the routing information of the wireless network into a routing table of a network interface of the Android device.
In one possible implementation manner, the second Android device is multiple. The first Android device and the plurality of second Android devices are connected in a wired mode based on respective Ethernet interfaces to form a local area network.
According to the network sharing method and device provided by the embodiment of the application, the wireless network connected with the Android device is effectively shared to other Android devices which are not connected with the network and need to surf the internet through the Ethernet interface, so that the network cost is further saved, meanwhile, the requirements of users in various aspects are met, the network sharing capability of the existing device is widened, and the network sharing mode is diversified.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a flowchart of a network sharing method according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a network sharing device according to an embodiment of the present disclosure.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the prior art, Android and Android devices can only share their own network to other devices through WIFI, for example, a mobile phone shares its own mobile data to other mobile phones through a WIFI hotspot, and then, for example, a computer shares its own wired network to other mobile phones or computers through a WIFI hotspot. The wifi hotspot sharing network is not suitable for some special application scenes, for example, in a monitoring system, one host is connected with monitoring equipment, the host is connected with wifi, and how to share the wifi connected with the host to the monitoring equipment connected with the host. Therefore, the embodiments of the present application provide a network sharing method and apparatus to solve the above technical problems.
Fig. 1 is a flowchart of a network sharing method according to an embodiment of the present application, and as shown in fig. 1, the network sharing method according to the embodiment of the present application includes the following steps:
s101, a wireless network interface of the first Android device is started, so that the first Android device is connected to a wireless network through the wireless network interface.
In the embodiment of the application, the wireless network of the first Android device can be started based on user operation, and the wireless network can be wifi or a mobile network.
When the wireless network connected with the first Android device is wifi, the started wireless network interface is a wifi network card. When the wireless network connected with the first Android device is a mobile data network, the started wireless network interface refers to a mobile data network card, such as a 3G network card and a 4G network card.
S102, network information of a wireless network connected with the first Android device is obtained.
The network information includes Domain Name System (DNS) information and routing information. The DNS information of the wireless network refers to a domain name of the wireless network, and the routing information refers to some gateway information of the wireless network.
The steps S101 and S102 may be executed simultaneously, or S101 and then S102 may be executed first, or S102 and then S101 may be executed first, which is not limited in the embodiment of the present application.
S103, updating the original DNS information in the first Android device according to the DNS information of the wireless network connected with the first Android device.
The original DNS information of the first Android device is DNS information of the first Android device which is last connected with a network.
And S104, adding the routing information of the wireless network connected with the first Android device into a routing table of a wireless network interface of the first Android device.
The steps S103 and S104 may be executed simultaneously, or S103 may be executed first and then S104 is executed, or S104 and then S103 is executed first, which is not limited in the embodiment of the present application. In addition, S102 to S104 may be executed directly after S101, or may be executed in a subsequent step.
And S105, the Ethernet interface of the first Android device is started.
The Ethernet interface of the first Android device can be started based on user operation.
It should be noted that, after the ethernet interface of the first Android device is started, the wireless network interface of the first Android device is not closed. That is, the wireless network interface and the ethernet interface may be started simultaneously. As known to those skilled in the art, the simultaneous activation of the wireless network interface and the ethernet interface of the Android device can be accomplished by means of the prior art.
And S106, setting the Ethernet interface mode of the first Android device to be a sharing mode.
The sharing mode can be completed by modifying an Android network module of the first Android device.
And S107, setting an Ethernet interface of the first Android device as a fixed IP address.
The Ethernet interface of the first Android device is set as a fixed IP address, namely the Ethernet interface of the first Android device can be used as a gateway and has the same or similar functions as the gateway.
And S108, according to the fixed IP Address of the Ethernet interface of the first Android device and the IP Address of the wireless Network interface of the first Android device, using the first Android device as a Network Address Translation (NAT) device to perform data interaction with the second Android device.
The aforementioned using the first Android device as the NAT device means that when the network request information is received at the ethernet interface of the first Android device, the network request is forwarded to the wireless network through the wireless network interface.
In an embodiment of the application, the first Android device and the second Android device may be connected based on respective ethernet interfaces.
It should be noted that the second Android device may be a plurality of Android devices, and the first Android device and the plurality of second Android devices are connected in a wired manner based on respective ethernet interfaces to form a local area network.
S109, start a Dynamic Host Configuration Protocol (DHCP) service of the first Android device.
S110, an IP address is allocated to the second Android device according to a DHCP request from the second Android device received by the Ethernet port of the first Android device.
And S111, adding the IP address of the second Android device into a routing table of an Ethernet interface of the first Android device.
The steps S108 and S111 may be executed simultaneously, or step S108 may be executed first and then step S111 is executed, or step S111 is executed first and then step S108 is executed, which is not limited in the embodiment of the present application.
According to the technical scheme, after the Ethernet interface of the first Android device receives the network request from the second Android device, the first Android device forwards the network request to the wireless network through the wireless network interface, and the wireless network connected with the second Android device through the first Android device is realized. Similarly, when the wireless network interface of the first Android device receives data from the wireless network and the data is feedback of a network request of the second Android device, the first Android device sends the data to the second Android device through the Ethernet interface of the first Android device.
Fig. 2 is a schematic structural diagram of a network sharing device according to an embodiment of the present application, and as shown in fig. 2, the network sharing device includes: the system comprises a first starting unit 111, a second starting unit 112, a first setting unit 120, a second setting unit 130, a determining unit 140, a third starting unit 113, an allocating unit 150, a first adding unit 160, an acquiring unit 170, an updating unit 180 and a second adding unit 190.
As shown in fig. 2, the first starting unit 111 is configured to start a wireless network interface of the first Android device, so that the first Android device is connected to a wireless network. The second starting unit 112 is configured to start an ethernet interface of the first Android device. The first setting unit 120 is configured to set an ethernet interface of the first Android device to a sharing mode. The second setting unit 130 is configured to set the ethernet interface mode of the first Android device to a fixed IP address. The determining unit 140 is configured to use the first Android device as a network address translation NAT device according to the fixed IP address of the ethernet interface of the first Android device and the IP address of the wireless network interface of the first Android device, and perform data interaction with the second Android device. The second Android device is connected with the first Android device through an Ethernet interface.
In an embodiment of the present application, the third starting unit 113 is configured to start a dynamic host configuration protocol DHCP service of the first Android device. The allocating unit 150 is configured to allocate an IP address to the second Android device according to a DHCP request from the second Android device received by the ethernet interface of the first Android device. The first adding unit 160 is configured to add the IP address of the second Android device to the routing table of the ethernet interface of the first Android device.
In an embodiment of the present application, the obtaining unit 170 is configured to obtain the network information of the wireless network after the wireless network interface of the Android device is started. The network information of the wireless network includes domain name system DNS information and routing information of the wireless network. The updating unit 180 is configured to update original DNS information in the first Android device according to DNS information of the wireless network. The second adding unit 190 is configured to add routing information of the wireless network to a routing table of a network interface of the Android device.
In one embodiment of the application, the number of the second Android devices is multiple. The first Android device and the plurality of second Android devices are connected in a wired mode based on respective Ethernet interfaces to form a local area network.
According to the network sharing method and device provided by the embodiment of the application, the Android device can share the wireless network (such as wifi and mobile data) connected with the Android device to other Android devices which are not connected with the network and have networking requirements through the Ethernet interface, so that the network cost is further saved, the requirements of users in various aspects are met, the network sharing capability of the existing device is widened, and the network sharing mode is diversified.
The embodiments of the present invention are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment is described with emphasis on differences from other embodiments. In particular, as for the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present specification.
Claims (5)
1. A method of network sharing, the method comprising:
a wireless network interface of a first Android device is started so that the first Android device is connected to a wireless network; and the Ethernet interface of the first Android device is started;
acquiring network information of the wireless network, wherein the network information of the wireless network comprises Domain Name System (DNS) information and routing information of the wireless network;
updating original DNS information in the first Android device according to the DNS information of the wireless network; adding the routing information of the wireless network into a routing table of a wireless network interface of the first Android device;
setting an Ethernet interface mode of the first Android device as a sharing mode;
setting an Ethernet interface of the first Android device as a fixed IP address;
starting a Dynamic Host Configuration Protocol (DHCP) service of first Android equipment;
allocating an IP address to a second Android device according to a DHCP request from the second Android device received by an Ethernet interface of the first Android device;
adding the IP address of the second Android device to a routing table of an Ethernet interface of the first Android device;
according to the fixed IP address of the Ethernet interface of the first Android device and the IP address of the wireless network interface of the first Android device, the first Android device is used as a Network Address Translation (NAT) device, and when the Ethernet interface of the first Android device receives network request information, the first Android device forwards the network request to the wireless network through the wireless network interface; when a wireless network interface of first Android equipment receives data from the wireless network and the data is feedback of a network request of second Android equipment, the first Android equipment sends the data to the second Android equipment through an Ethernet interface of the first Android equipment, and data interaction between the first Android equipment and the second Android equipment is realized;
the second Android device is connected with the first Android device through an Ethernet interface.
2. The method of claim 1, wherein the wireless network is a wireless broadband wifi or mobile network.
3. The method according to claim 1, wherein the second Android device is multiple;
the first Android device and each second Android device are connected in a wired mode based on respective Ethernet interfaces to form a local area network.
4. A network sharing apparatus, the apparatus comprising:
the Android device comprises a first starting unit, a second starting unit and a control unit, wherein the first starting unit is used for starting a wireless network interface of first Android equipment so as to enable the first Android equipment to be connected to a wireless network;
the second starting unit is used for starting the Ethernet interface of the first Android device;
the obtaining unit is used for obtaining network information of the wireless network after a wireless network interface of the first Android device is started, wherein the network information of the wireless network comprises Domain Name System (DNS) information and routing information of the wireless network;
the updating unit is used for updating the original DNS information in the first Android device according to the DNS information of the wireless network; and
a second adding unit, configured to add routing information of the wireless network to a routing table of a network interface of the first Android device;
the first setting unit is used for setting the Ethernet interface mode of the first Android device to be a sharing mode;
the second setting unit is used for setting an Ethernet interface of the first Android device as a fixed IP address;
the third starting unit is used for starting a Dynamic Host Configuration Protocol (DHCP) service of the first Android device;
the allocation unit is used for allocating an IP address to the second Android device according to a DHCP request from the second Android device received by an Ethernet interface of the first Android device;
a first adding unit, configured to add the IP address of the second Android device to a routing table of an ethernet interface of the first Android device;
a determining unit, configured to use the first Android device as a NAT (network address translation) device according to a fixed IP address of an ethernet interface of the first Android device and an IP address of a wireless network interface of the first Android device, and when the ethernet interface of the first Android device receives network request information, forward the network request to the wireless network through the wireless network interface by the first Android device; when a wireless network interface of first Android equipment receives data from the wireless network and the data is feedback of a network request of second Android equipment, the first Android equipment sends the data to the second Android equipment through an Ethernet interface of the first Android equipment, and data interaction between the first Android equipment and the second Android equipment is realized; the second Android device is connected with the first Android device through an Ethernet interface.
5. The apparatus according to claim 4, wherein the second Android device is multiple;
the first Android device and each second Android device are connected in a wired mode based on respective Ethernet interfaces to form a local area network.
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| CN111405367B (en) * | 2020-03-11 | 2022-04-05 | 海信视像科技股份有限公司 | Method for network sharing of system component based on multi-network switching scene and display equipment |
| CN111866167A (en) * | 2020-07-30 | 2020-10-30 | 珠海市魅族科技有限公司 | Network sharing method, device, equipment and computer readable storage medium |
| CN112187549B (en) * | 2020-10-12 | 2023-07-18 | 深圳康佳电子科技有限公司 | Network sharing method, terminal and storage medium |
| CN113079481A (en) * | 2021-04-12 | 2021-07-06 | 深圳市车可讯科技有限公司 | Method and device for realizing internet surfing of android Internet of things equipment |
| CN113543147B (en) * | 2021-07-16 | 2024-02-13 | 杭州迈冲科技有限公司 | Ethernet sharing method based on Android system |
| CN113766605A (en) * | 2021-07-23 | 2021-12-07 | 深圳市智微智能科技股份有限公司 | android device network sharing method, system, terminal and storage medium |
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