CN113765802B - android device network card dynamic switching method, system, terminal and storage medium - Google Patents
android device network card dynamic switching method, system, terminal and storage medium Download PDFInfo
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- CN113765802B CN113765802B CN202110843209.4A CN202110843209A CN113765802B CN 113765802 B CN113765802 B CN 113765802B CN 202110843209 A CN202110843209 A CN 202110843209A CN 113765802 B CN113765802 B CN 113765802B
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- network card
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/745—Address table lookup; Address filtering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/54—Organization of routing tables
Abstract
The invention relates to a dynamic switching method of an android device network card, which comprises the following steps: the function of selecting the network card is a route forwarding function or a data packet receiving function; according to the result of the first step, switching and adjusting the state of the network card; by applying the method, the dynamic switching of the network card can be realized, the data receiving and transmitting functions and the data forwarding functions of the network card can be further fully exerted, the network card is fully utilized, the functional diversity of products is improved, and the product value is improved.
Description
Technical Field
The invention relates to the technical field of android systems, in particular to a method, a system, a terminal and a storage medium for dynamically switching network cards of android devices.
Background
Currently, android products are widely used in various fields of various industries, such as internet terminals, industrial control system terminals, virtual server client terminals, etc., and networks are used in these fields. The main network module of the android device is an ethernet network card, and can be connected to an external network through the network card. However, the network card has a data forwarding function (i.e., routing forwarding) in addition to transmitting/receiving data, but generally, the android device only uses one of the functions, i.e., data transmission and reception, and cannot fully perform all the functions of the network card.
Disclosure of Invention
The invention aims to solve the technical problems, and provides a dynamic switching method for an android device network card, a dynamic switching system for an android device network card, a dynamic switching terminal for an android device network card and a computer readable storage medium.
The technical scheme adopted for solving the technical problems is as follows:
a dynamic switching method for constructing an android device network card is provided, which comprises the following steps:
the first step: the function of selecting the network card is a route forwarding function or a data packet receiving function;
and a second step of: and carrying out conversion adjustment of the network card state according to the selection result in the first step.
The invention discloses a dynamic switching method of an android device network card, wherein when a route forwarding function is selected, the network card state adjusting method comprises the following steps:
setting the network card ip address, creating a routing table use rule, creating a forwarding rule, enabling a network card forwarding function and forwarding network data packets.
The invention discloses a dynamic switching method of an android device network card, wherein when a data packet receiving function is selected, the network card state adjusting method comprises the following steps:
deleting the routing forwarding rule, deleting the routing table of the routing forwarding, deleting the routing table using rule of the routing forwarding, closing the network card forwarding function, restarting the network card, and receiving and transmitting network data packets.
According to the android device network card dynamic switching method, the network card function is selected through the UI in the first step.
The android device network card dynamic switching system is used for realizing the android device network card dynamic switching method, and comprises a network card function selection unit and a network card state adjustment unit;
the network card function selecting unit is used for selecting the network card function as a routing forwarding function or a data packet receiving function;
the network card state adjusting unit is used for performing conversion adjustment on the network card state according to the selection result of the network card function selecting unit.
The network card dynamic switching system of the android device, provided by the invention, wherein when a route forwarding function is selected, the network card state adjusting unit performs the following operations on the network card: setting the network card ip address, creating a routing table use rule, creating a forwarding rule, enabling a network card forwarding function and forwarding network data packets.
The network card dynamic switching system of the android device, provided by the invention, wherein when a data packet receiving function is selected, the network card state adjusting unit performs the following operations on the network card: deleting the routing forwarding rule, deleting the routing table of the routing forwarding, deleting the routing table using rule of the routing forwarding, closing the network card forwarding function, restarting the network card, and receiving and transmitting network data packets.
The network card dynamic switching system of the android device, disclosed by the invention, wherein the selection of the network card function selection unit is realized through a UI (user interface).
The android equipment network card dynamic switching terminal comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, wherein the steps of the method are realized when the processor executes the computer program.
A computer readable storage medium storing a computer program, wherein the computer program when executed by a processor implements the steps of the method as described above.
The invention has the beneficial effects that: by applying the method, the dynamic switching of the network card can be realized, the data receiving and transmitting functions and the data forwarding functions of the network card can be further fully exerted, the network card is fully utilized, the functional diversity of products is improved, and the product value is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained by those skilled in the art without inventive effort:
FIG. 1 is a flow chart of a method for dynamically switching network cards of android devices according to a preferred embodiment of the present invention;
FIG. 2 is a flowchart of a method for adjusting the routing forwarding function of the dynamic switching method of the android device network card according to the preferred embodiment of the present invention;
FIG. 3 is a flowchart of a method for adjusting the data packet receiving function of the dynamic switching method of the android device network card according to the preferred embodiment of the present invention;
FIG. 4 is a schematic block diagram of a dynamic switching system for network cards of android devices according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
The method for dynamically switching the android device network card according to the preferred embodiment of the invention is shown in fig. 1, and referring to fig. 2 and 3, the method comprises the following steps:
s01: the function of selecting the network card is a route forwarding function or a data packet receiving function;
s02: according to the result of the first step, switching and adjusting the state of the network card;
by applying the method, the dynamic switching of the network card can be realized, the data receiving and transmitting functions and the data forwarding functions of the network card can be further fully exerted, the network card is fully utilized, the functional diversity of products is improved, and the product value is improved.
Preferably, when selecting the routing forwarding function, the network card state adjusting method is as follows:
s021: setting a network card ip address;
the network card ip address can be set through the ifconfig instruction, and the network card is used as a route, and the ip address is a gateway address at the moment; and (3) carrying out the steps of (1): ifconfig eth 0.192.168.1.1;
s022: creating a routing table;
creating a routing table through an ip route add instruction, and adding a route for forwarding a 4g network and an Ethernet network route;
and (3) carrying out the steps of (1): creating a routing table 88 and adding a route to forward to a 4g network example ip route add ethernet network address dev eth0 proto static scope link table 88; ip route add default via 4g module gateway address devppp 0 proto static table 88;
s023: creating a routing table usage rule;
creating a routing table use rule through an ip rule add instruction;
eg:
ip rule add from all oif ppp0 lookup 88；
ip rule add from all fwmark 0x10064/0x1ffff lookup 88；
ip rule add from all oif ppp0 lookup 88；
ip rule add from all fwmark 0x64/0x1ffff lookup 88；
ip rule add from all fwmark 0x0/0xffff lookup 88；
s024: creating a forwarding rule;
forwarding rules can be created through iptables instructions;
eg：
an iptables-t nat-I POSTROUTING-s Ethernet network address-o;
s025: enabling a network card forwarding function;
echo 1>/proc/sys/net/ipv4/ip_forward；
s026: and forwarding the network data packet.
Preferably, when selecting a packet receiving function, the method for adjusting the network card status is as follows:
s031: deleting the route forwarding rule;
the following may be passed through iptables instructions, eg:
iptables-t nat–F；
s032: deleting a routing table for forwarding the route;
the data may be processed by the ip route del instruction, eg:
ip route del ethernet network address dev eth0 proto static scope link table 88;
ip route del default via 4g module gateway address devppp 0 proto static table 88;
s033: deleting the routing table usage rule of the routing forwarding;
the information may be encoded by the ip rule del instruction, eg:
ip rule del from all oif ppp0 lookup 88；
ip rule del from all fwmark 0x10064/0x1ffff lookup 88；
ip rule del from all oif ppp0 lookup 88；
ip rule del from all fwmark 0x64/0x1ffff lookup 88；
ip rule del from all fwmark 0x0/0xffff lookup 88；
s034: closing the network card forwarding function;
the method can be implemented by instructions:
echo 0>/proc/sys/net/ipv4/ip_forward；
s035: restarting the network card;
the method can be implemented by instructions:
EthernetManager.setEthernetEnabled(false)；
EthernetManager.setEthernetEnabled(true)；
s036: and receiving and transmitting network data packets.
Of course, it can be understood that other existing instruction usage modes capable of realizing the required functions are also possible, and simple transformation based on the principle belongs to the protection scope of the application;
preferably, the selection of the network card function in the first step is implemented through a UI interface.
The network card dynamic switching system of the android device is used for realizing the network card dynamic switching method of the android device, as shown in fig. 4, and comprises a network card function selecting unit 1 and a network card state adjusting unit 2;
the network card function selecting unit 1 is used for selecting the function of the network card as a routing forwarding function or a data packet receiving function;
the network card state adjusting unit 2 is used for performing conversion adjustment of the network card state according to the selection result of the network card function selecting unit;
by applying the method, the dynamic switching of the network card can be realized, the data receiving and transmitting functions and the data forwarding functions of the network card can be further fully exerted, the network card is fully utilized, the functional diversity of products is improved, and the product value is improved.
Preferably, when the routing forwarding function is selected, the network card state adjustment unit 2 performs the following operations on the network card: setting the network card ip address, creating a routing table use rule, creating a forwarding rule, enabling a network card forwarding function and forwarding network data packets.
Preferably, when the packet receiving function is selected, the network card status adjusting unit 2 performs the following operations on the network card: deleting the routing forwarding rule, deleting the routing table of the routing forwarding, deleting the routing table using rule of the routing forwarding, closing the network card forwarding function, restarting the network card, and receiving and transmitting network data packets.
Preferably, the selection of the network card function selection unit 1 is implemented through a UI interface.
The android device network card dynamic switching terminal comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, wherein the steps of the method are realized when the processor executes the computer program.
A computer readable storage medium storing a computer program, wherein the computer program when executed by a processor implements the steps of the method as described above.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (6)
1. The dynamic switching method of the android device network card is characterized by comprising the following steps of:
the first step: the function of selecting the network card is a route forwarding function or a data packet receiving function;
and a second step of: according to the result of the first step, switching and adjusting the state of the network card;
when the route forwarding function is selected, the network card state adjusting method is as follows:
setting a network card ip address;
setting a network card ip address through an ifconfig instruction, and using the network card as a route, wherein the ip address is a gateway address;
creating a routing table;
creating a routing table through an ip route add instruction, and adding a route for forwarding a 4g network and an Ethernet network route;
creating a routing table usage rule;
creating a routing table use rule through an ip rule add instruction;
creating a forwarding rule;
creating a forwarding rule through an iptables instruction;
enabling a network card forwarding function;
forwarding a network data packet;
when selecting the data packet receiving function, the network card state adjusting method is as follows:
deleting the route forwarding rule;
through iptables instructions;
deleting a routing table for forwarding the route;
through an ip route del instruction;
deleting the routing table usage rule of the routing forwarding;
through an ip ruledel instruction;
closing the network card forwarding function;
restarting the network card;
and receiving and transmitting network data packets.
2. The method for dynamically switching network cards of android device according to claim 1, wherein the selection of the network card function in the first step is realized through a UI interface.
3. The android device network card dynamic switching system is used for realizing the android device network card dynamic switching method according to any one of claims 1-2, and is characterized by comprising a network card function selection unit and a network card state adjustment unit;
the network card function selecting unit is used for selecting the network card function as a routing forwarding function or a data packet receiving function;
the network card state adjusting unit is used for performing conversion adjustment of the network card state according to the selection result of the network card function selecting unit;
when the route forwarding function is selected, the network card state adjusting method is as follows:
setting a network card ip address;
setting a network card ip address through an ifconfig instruction, and using the network card as a route, wherein the ip address is a gateway address;
creating a routing table;
creating a routing table through an ip route add instruction, and adding a route for forwarding a 4g network and an Ethernet network route;
creating a routing table usage rule;
creating a routing table use rule through an ip rule add instruction;
creating a forwarding rule;
creating a forwarding rule through an iptables instruction;
enabling a network card forwarding function;
forwarding a network data packet;
when selecting the data packet receiving function, the network card state adjusting method is as follows:
deleting the route forwarding rule;
through iptables instructions;
deleting a routing table for forwarding the route;
through an ip route del instruction;
deleting the routing table usage rule of the routing forwarding;
through an ip ruledel instruction;
closing the network card forwarding function;
restarting the network card;
and receiving and transmitting network data packets.
4. The android device network card dynamic switching system of claim 3, wherein selection of the network card function of said network card function selecting unit is implemented through a UI interface.
5. A dynamic switching terminal for a network card of an android device, comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any one of claims 1 to 2 when executing the computer program.
6. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of the method according to any one of claims 1 to 2.
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| US11277338B2 (en) * | 2016-09-26 | 2022-03-15 | Juniper Networks, Inc. | Distributing service function chain data and service function instance data in a network |
| US11018973B2 (en) * | 2019-05-31 | 2021-05-25 | Microsoft Technology Licensing, Llc | Distributed sonic fabric chassis |
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