CN109412830A - Method and device for curing internet card name, computer equipment and storage medium - Google Patents
Method and device for curing internet card name, computer equipment and storage medium Download PDFInfo
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- CN109412830A CN109412830A CN201811031779.8A CN201811031779A CN109412830A CN 109412830 A CN109412830 A CN 109412830A CN 201811031779 A CN201811031779 A CN 201811031779A CN 109412830 A CN109412830 A CN 109412830A
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 238000013507 mapping Methods 0.000 claims abstract description 97
- 238000007711 solidification Methods 0.000 claims abstract description 54
- 230000008023 solidification Effects 0.000 claims abstract description 54
- 230000006870 function Effects 0.000 claims description 25
- 238000012790 confirmation Methods 0.000 claims description 18
- 238000004590 computer program Methods 0.000 claims description 15
- 238000011084 recovery Methods 0.000 claims description 9
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- 238000004891 communication Methods 0.000 abstract description 9
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- 230000004048 modification Effects 0.000 description 11
- 238000012986 modification Methods 0.000 description 11
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- 238000013461 design Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0889—Techniques to speed-up the configuration process
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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
- H04L61/30—Managing network names, e.g. use of aliases or nicknames
- H04L61/3005—Mechanisms for avoiding name conflicts
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Abstract
The invention relates to a method and a device for curing network card names, computer equipment and a storage medium, which are applied to a network connection technology. The method comprises the following steps: acquiring a unique identifier of a network card to be solidified in a system as an equipment identifier; acquiring a first name of the network card to be solidified through a preset mapping table; the first name is a curing interface name corresponding to the equipment identifier in the mapping table; determining that the first name is not occupied by a registered network card; and setting the network interface name of the network card to be solidified as the first name. The embodiment of the invention solves the problem of low efficiency of the existing mode of network card name solidification, and is beneficial to ensuring the network communication stability of the system.
Description
Technical field
The present invention relates to Network Connection fields, more particularly to the cured method, apparatus of Adapter Name, computer equipment
And storage medium.
Background technique
In embedded systems, it is the communication for meeting itself and external network, generally requires and one or more net is set
Card, by being extended to network interface card, one or more local area network can be constructed so that embedded system meet it is more complicated
Application scenarios.
In the implementation of the present invention, following problem exists in the prior art in inventor, is with Linux system
Example, it includes network interface card network interface name there are randomness, and system is applied when executing communication, needs to preset its net
Network interface, such as eth0 are connected for external network, and for communicating with internal communication local area network 1, eth2 is used for and inside eth1
Communication of local area network 2 etc. is communicated, if the network interface name of network interface card is not fixed, will lead to system using not corresponding net
Card, leads to communication abnormality.In order to solve this problem, it is common practice in systems after all network interface card initialization, pass through
Ip command mode modifies the entitled desired name of network interface of network interface card one by one, and which leads to the cured efficiency that comes into force of Adapter Name
It is low.
Summary of the invention
Based on this, it is necessary to existing way Adapter Name it is cured come into force low efficiency aiming at the problem that, a kind of Adapter Name is provided
Cured method, apparatus, computer equipment and storage medium.
According to the first aspect of the invention, a kind of cured method of Adapter Name is provided, comprising:
The unique identification of network interface card to be solidified in systems is obtained, as device identification；
The first name of the network interface card to be solidified is obtained by preset mapping table；Record has equipment in the mapping table
Mark and the mapping relations for solidifying interface name, described first is named as the corresponding solidification interface of device identification described in mapping table
Name；
Determine that first name is not occupied by registered network interface card；
First name is set by the network interface name of the network interface card to be solidified.
In one embodiment, the determination first name is not occupied by registered network interface card, before further include:
Traverse registered equipment chain for first name, judge network interface card in the equipment chain network interface name whether
It is identical as first name；It include current registered network interface card and its network interface name in the equipment chain；
If the network interface name of any network interface card is not identical as first name in the equipment chain, it is determined as described the
One name is not occupied by registered network interface card.
In one embodiment, the determination first name is not occupied by registered network interface card, before further include:
Preset variable is inquired for first name；The variable includes n bit, and the value of n, which is equal to system, to be connect
The network interface card total amount entered；Each bit is for marking whether n network interface name is currently registered in the variable；
If the value of bit corresponding with the first name is the first setting value in the variable, it is determined that for first name
It is not occupied by registered network interface card；
If the value of bit corresponding with the first name is the second setting value in the variable, it is determined that for first name
It is occupied by registered network interface card.
In one embodiment, further includes:
Determine that first name is occupied by registered network interface card；
Obtain conflict network interface card；The conflict network interface card is registered network interface card, and its network interface name and described first is named
It is identical；
The network interface name of the conflict network interface card is revised as the second name；
After the network interface name of the conflict network interface card to be revised as to the second name and is completed, by the network interface card to be solidified
Network interface name be set as it is described first name.
In one embodiment, the network interface name by the conflict network interface card is revised as the second name, before also
Include:
Obtain the second name；Second name meets condition: not being occupied by registered network interface card, and with described first
It names not identical.
In one embodiment, the network interface name by the conflict network interface card is revised as the second name, comprising:
Grid state is changed to temporary state；
Invocation target function, when the objective function is called, for modifying the network interface name of the conflict network interface card
It is named for second, and the conflict modified network interface name of network interface card is synchronized to each relating dot in system kernel space；
Recovery system network state.
In one embodiment, the network interface name by the network interface card to be solidified is set as first life
Name, comprising:
It is first name by the network interface name variable assignments of the network interface card to be solidified.
In one embodiment, the system is the operating system based on linux kernel；Network interface card to be solidified is extension
Network interface card；
It is described to obtain the unique identification of network interface card to be solidified in systems, comprising: obtaining network interface card to be solidified in operation is
Busid mark in system.
In one embodiment, further includes:
Network interface card is set and solidifies the first mapping relations of interface name；
According to first mapping relations and the corresponding device identification of network interface card, obtains device identification and solidify interface name
Second mapping relations；
Mapping table is established according to second mapping relations；
Save the mapping table.
According to the second aspect of the invention, a kind of cured device of Adapter Name is provided, comprising:
Identifier acquisition module, for obtaining the unique identification of network interface card to be solidified in systems, as device identification；
Name obtains module, for obtaining the first name of the network interface card to be solidified by preset mapping table；It is described
Record has device identification and solidifies the mapping relations of interface name in mapping table, and described first is named as equipment mark described in mapping table
Know corresponding solidification interface name；
First confirmation module, for determining that first name is not occupied by registered network interface card；
Curing module is named, for setting first name for the network interface name of the network interface card to be solidified.
In one embodiment, further includes:
Equipment chain checks module, for judging net in network card equipment chain for the first name traversal network card equipment chain
Whether the network interface name of card is identical as first name；Include in the network card equipment chain current registered network interface card and
Its network interface name；
First confirmation module, if specifically for the network interface name and described first of any network interface card in network card equipment chain
Name is all different, and is determined as first name and is not occupied by registered network interface card.
In one embodiment, further includes:
Variable checks module, for inquiring preset variable for first name；The variable includes n bit, n
Value be equal to system can access network interface card total amount；In the variable each bit for mark n network interface name currently whether
It is registered；
Second confirmation module, if the value for bit corresponding with the first name in the variable is the second setting value, really
It is set to first name to be occupied by registered network interface card；
First confirmation module, if the value specifically for bit corresponding with the first name in the variable sets for first
Definite value, it is determined that do not occupied by registered network interface card for first name.
In one embodiment, further includes:
Second confirmation module, for determining that first name is occupied by registered network interface card；
Conflict obtains module, for obtaining conflict network interface card；The conflict network interface card is registered network interface card, and its network interface name
It is identical as first name；
Modified module is named, for the network interface name of the conflict network interface card to be revised as the second name；
Wherein, the name curing module, specifically for the network interface name of the conflict network interface card is being revised as second
After name is completed, first name is set by the network interface name of the network interface card to be solidified.
In one embodiment, further includes:
Name determining module is modified, for obtaining the second name；Second name meets condition: not by registered network interface card
It occupies, and not identical as first name.
In one embodiment, the name modified module includes:
Temporary storage location, for grid state to be changed to temporary state；
Function calling cell is used for invocation target function, when the objective function is called, is used for the conflict network interface card
Network interface name be revised as the second name, and the modified network interface name of conflict network interface card is synchronized to system kernel sky
Between each relating dot；
Recovery unit is used for recovery system network state.
In one embodiment, further includes:
First mapping relations establish module, the first mapping relations for network interface card being arranged Yu solidifying interface name；
Second mapping relations establish module, are used for according to first mapping relations and the corresponding device identification of network interface card,
It obtains device identification and solidifies the second mapping relations of interface name；
Mapping table establishes module, for establishing mapping table according to second mapping relations；
Mapping table preserving module, for saving the mapping table.
According to the third aspect of the invention we, a kind of computer equipment is provided, including memory, with the display of touch function
Screen and processor；The memory, for storing computer program；When the computer program is executed by the processor
When, so that the step of processor realizes the Adapter Name of any of the above-described embodiment cured method.
According to the fourth aspect of the invention, a kind of computer storage medium is provided, computer program is stored thereon with, the journey
The step of method as cured such as the Adapter Name of above-mentioned any embodiment is realized when sequence is executed by processor.
Implement embodiment provided by the invention, using the unique identification of network interface card in systems as device identification, is based on equipment
Mark inquires preset mapping table, obtains the target solidification interface name of the network interface card；It is possible to further determine that target solidification connects
Whether mouth name is occupied by other network interface cards, if unoccupied, directly sets target solidification for the network interface name of the network interface card
Interface name.Through the above technical solutions, based on kernel spacing realize network interface card network interface name solidification, different from it is traditional based on
The technical solution of the network interface name modification of user's space, can be improved the efficiency that comes into force of network interface card.
Further, by some embodiments, if target solidification interface name is occupied by registered network interface card, without waiting until
All network interface cards initially finish the network interface name that could modify network interface card, and the network interface name there are a period of time is avoided not correspond to,
The problem of leading to communication abnormality.
Further, by some embodiments, by constructing reflecting comprising device identification-network interface name mapping relations
Firing table, so that the cured configuration of Adapter Name is flexibly, the system that heterogeneous networks framework can be adapted to.
Detailed description of the invention
Fig. 1 is the system architecture diagram that the cured method of Adapter Name is applicable in one embodiment；
Fig. 2 is the schematic flow chart of the cured method of Adapter Name of an embodiment；
Fig. 3 is the schematic flow chart of the cured method of Adapter Name of another embodiment；
Fig. 4 is the schematic flow chart of the network interface name of the registered network interface card of modification of an embodiment；
Fig. 5 is the variable label result schematic diagram of an embodiment；
Fig. 6 is the application scenarios schematic diagram of the cured method of Adapter Name of an embodiment；
Fig. 7 is the schematic diagram of the cured device of Adapter Name of an embodiment；
Fig. 8 is the internal structure chart of computer equipment in one embodiment.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
The cured method of Adapter Name provided by the present application can be adapted for more network interface card access systems as shown in Figure 1, this is more
It include a master controller in network interface card access system, the master controller is for accessing external network and/or building local area network；Into one
Step ground, the master controller include a built-in network interface card 0 (generally Ethernet card), can access internet by network interface card 0；This
Outside, external network interface cards that further include several extended by USB interface, for example including network interface card 1, network interface card 2, network interface card 3 ..., network interface card
N, master controller can construct multiple local area networks by these external network interface cards.No matter built-in network interface card or network interface card is extended, is hardware
Equipment.
Wherein, main operation controller has the operating system based on linux kernel, such as Android system.The operating system can
It is divided into kernel spacing and user's space, wherein kernel spacing is the core of system, has many most basic functions, it
It is responsible for process, memory, device driver, file and the network system of management system, is mainly used for operating system kernel code
And the closely related code with hardware, decide the performance and stability of system.User's space is for running multiple user classes
Application program, these application programs cannot use certain specific system functions, cannot direct access hardware devices, can not be straight
Connect access kernel space, each application program or process can have oneself a specific address, private data space, between program
It will not generally influence each other.Kernel spacing can be communicated by system call interfaces with user's space.It says, will use from security standpoint
Family space and kernel spacing are placed under above-mentioned asymmetric access mechanism, can resist the snooping of malicious user, can also prevent quality
The infringement of inferior user program, so that system be made to run more stable and reliable.
In embodiment, the kernel spacing of operating system can also be communicated by Kernel Driver with hardware device.
In addition, in embodiment, all hardware equipment can kernel spacing /road sys/bus/usb/devices
Found under diameter, i.e., above-mentioned built-in network interface card and extension network interface card, can kernel spacing /road sys/bus/usb/devices
It is found under diameter.
Further, above-mentioned more network interface card access systems can be embedded into substantive electronic equipment, which can be with
It is laptop computer, cellular phone, camera phone, smart phone, personal digital assistant, media player, navigation equipment, electricity
Sub- mail transmission/reception equipment, game console, interactive intelligent tablet computer, wearable device, intelligent locomotive, pilotless automobile, intelligence
The combination of any several equipment in refrigerator, other smart home devices or these equipment.It can be equipped in electronic equipment
Various application programs needed for user, such as text editing class application program, presentation class application program, instant messaging class application
Program, picture editting's class application program, social category application program, electric business class application program, searching class application program, browser class
Application program etc..Wherein, text editing class application program such as electronic whiteboard application, electronic blackboard application, presentation class is answered
Screen application, instant messaging class application program such as video conference application are thrown with program is such as wireless.
In embodiment, it is described so that interactive intelligent tablet computer is electronic equipment as an example, wherein interactive intelligent tablet computer can be with
It is the integration apparatus for the content being shown on display plate being manipulated and being realized by touch technology man-machine interactive operation,
It is integrated with one or more functions such as projector, electronic whiteboard, curtain, sound equipment, television set and video conference terminal.
In one embodiment, it as shown in Fig. 2, providing a kind of cured method of Adapter Name, can apply in this way
In more network interface card access systems shown in FIG. 1, specifically includes the following steps:
S110 obtains the unique identification of network interface card to be solidified in systems, as device identification.
Wherein, network interface card to be solidified can be understood as the network interface card that network interface name is not yet arranged；Specifically, net to be solidified
Card can be built-in network interface card to be solidified, be also possible to extension network interface card to be solidified.
In the operating system based on linux kernel, there is a unique busid to identify each equipment；And
In the case where physical circuit is fixed, the corresponding busid of equipment is uniquely fixed.Therefore, for Ethernet card and each
Usb extends network interface card, has a unique busid to identify in systems, and corresponding busid is fixed.
In some embodiments, can by checking that system equipment gets the unique identification of network interface card in systems, such as
Passage path :/sys/bus/usb/devices gets the busid of corresponding network interface card in systems, in this, as device identification.
S120 obtains the first name of the network interface card to be solidified by preset mapping table；It is recorded in the mapping table
Have device identification and solidify the mapping relations of interface name, described first be named as in mapping table it is corresponding with the device identification solid
Change interface name.
In embodiment, solidification interface name can be understood as user and it is expected the cured network interface name of certain network interface card.Based on net
Network interface name, the accessible corresponding network interface card of the application program of user's space, to access external network or building local area network.
S130 determines that first name is not occupied by registered network interface card.
In embodiment, when the network interface name of some registered network interface card is identical as first name, it is determined that be
First name is occupied by the registered network interface card, if the network interface name of any registered network interface card and this first name not phase
Together, then it can determine that the first name is not occupied by registered network interface card.
The network interface name of the network interface card to be solidified is set first name by S140.
It in embodiment, can be by the network of network interface card to be solidified if the first name is not occupied by registered network interface card
Interface name variable assignments is first name.Hereafter, the network interface card and its corresponding network interface name are set in the system of being registered to
In nuclear space, the application program of user's space can access the network interface card by network interface name.
Through the foregoing embodiment, it using network interface card unique identification in systems as device identification, is inquired based on device identification
Preset mapping table obtains the target solidification interface name of the network interface card；It is possible to further whether determine target solidification interface name
It is occupied by other network interface cards, if unoccupied, directly sets target solidification interface name for the network interface name of the network interface card.It is logical
Above-mentioned technical proposal is crossed, the network interface name solidification of network interface card is realized based on kernel spacing, different from traditional based on user's space
Network interface name modification technical solution, can be improved the efficiency that comes into force of network interface card.
In addition, traditional carry out the cured side of network interface name modification by user's space (such as ip order of standard)
Formula needs that all network interface cards is waited initially to finish, and then could modify the network interface name of network interface card one by one, there is a period of time in this way
The network interface name situation not corresponding with network interface card, have an impact to the network communication stability of system.Through the foregoing embodiment
The cured method of Adapter Name realizes Adapter Name solidification based on kernel spacing, and there is no network interface name and network interface cards in a period of time
Not corresponding situation, therefore can guarantee the network communication stability of system.
With continued reference to more network interface card access systems shown in FIG. 1, below by a specific example to the net of above-described embodiment
The cured method of card name is further remarked additionally.
In more network interface card access systems shown in Fig. 1, logic is applied according to actual, it is assumed that user it is expected the net of each network interface card
Network interface name is solidified according to solidification interface name as shown in Table 1 (it is expected cured network interface name).
Table 1:
| Network interface card | Solidify interface name |
| Network interface card 1 | eth3 |
| Network interface card 2 | eth1 |
| Network interface card 3 | eth0 |
| Network interface card 4 | eth2 |
| …… | …… |
| Network interface card n | ethX |
In embodiment, as shown in table 1, user it is expected cured network interface card include network interface card 1, network interface card 2 ..., network interface card n；And
It is expected that the entitled eth3 of solidification interface of network interface card 1, it is expected that the entitled eth1 of solidification interface of network interface card 2, it is expected that the solidification interface name of network interface card 3
For eth0, referring specifically to table 1.
It should be noted that network interface card shown in table 1 and corresponding solidification interface name be as just a kind of citing, in other feelings
Under condition, user can also construct other network interface cards and solidify the mapping relations of interface name, so that the corresponding other solidification interfaces of network interface card
Name.
In the case where obtaining the unique and fixed device identification in systems of each network interface card, the net in conjunction with shown in above-mentioned table 1
Block and solidify the mapping relations of interface name, solidifies interface name and the mapping relations of busid shown in available table 2.
Table 2:
It should be noted that solidifying the mapping relations of interface name and busid shown in table 2 as just a kind of citing, at it
In the case of him, the unique and fixed device identification of table 1 and network interface card based on user setting in systems can also be constructed
Other forms solidify interface name and the mapping relations of busid.
After the mapping relations for determining table 2, trawl performance is loaded based on system kernel space, and then can be according to such as lower section
Method carries out the network interface name solidification of network interface card.Shown in Figure 3, the cured method of network interface name of network interface card may include as follows
Process:
Step S310, setting solidify interface name and the mapping relations of busid, construct mapping table with this.
The concrete form of mapping table can refer to above-mentioned table 2, save the mapping table of building.
In addition, in some embodiments, in system kernel space, also needing to drive in advance and the progress of corresponding equipment
With binding, in the present embodiment, i.e., trawl performance and network interface card are subjected to matching binding.Specific implementation can refer to existing
The matching binding method of the kernel-driven of android system and corresponding network card equipment.
In one embodiment, after trawl performance and network interface card are carried out matching binding, preset number can be passed through
The information of group record mapping table, i.e., recorded in mapping table by array and solidify interface name and the mapping relations of busid.Such as:
5 are had recorded in array force_phy_table solidifies interface name and the mapping relations of busid, wherein "
The mapping relations of RESERVED ", //eth0 expression reserved busid and " eth0 " that solidifies interface name, " 3-1.3:1.0 ", //
Eth1 indicates the mapping relations of busid " 3-1.3:1.0 " with " eth1 " that solidifies interface name, and so on.
Furthermore, it is possible to indicate ethi with the subscript i of array force_phy_table.For example busid is 3-1.3:1.0,
Array index is 1, can be expressed as force_phy_table [1], and the corresponding solidification interface name of the network interface card is just eth1；Such as
Busid is 3-1.2:1.0, and array index 3 can be expressed as force_phy_table [3], the corresponding solidification of the network interface card
Interface name is just eth3.It is of course also possible to which the interface name that solidifies to wireless network card is defined according to the rule of wlanX, such as busid
For the network interface card of 3-1.3:1.0, corresponding solidification interface name can also be wlan1, and busid is the network interface card of 3-1.2:1.0, corresponding
Solidifying interface name can also be wlan3.
Step S320 obtains the busid of network interface card to be solidified.
Can be with passage path :/sys/bus/usb/devices gets the busid of network interface card in systems.
Step S330 obtains the solidification interface name of network interface card to be solidified according to busid and mapping table.
Step S340, judges whether the solidification interface name is occupied by registered network interface card.
In one embodiment, the implementation of the process may include:
For the solidification interface name, current registered equipment chain is traversed, includes current registered in the equipment chain
Network interface card and its network interface name.Equipment in the equipment chain is the network equipment having already registered in kernel, network
Interface name: ethX, wlanX, lo etc..
By traversal, it whether there is such registered network interface card, the network of the registered network interface card in detection device chain
Interface name is identical as the solidification interface name (such registered network interface card also in embodiment, is referred to as the network interface card that conflicts)；Such as
There is conflict network interface card in fruit, then enter step S350, if there is no conflict network interface card, then enter step S360.
Step S350: confirmation solidification interface name is occupied by other network interface cards, will occupy the registered of the solidification interface name
The network interface name of network interface card (i.e. conflict network interface card) is revised as other network interface names, then executes step S360 again, setting is current
The entitled solidification interface name of the network interface of network interface card to be solidified.
In embodiment, if the network interface name of any network interface card is all different with solidification interface name in equipment chain, determining should
Solidification interface name is not occupied by registered network interface card, otherwise, it determines the solidification interface name is occupied by registered network interface card.
In some embodiments, whether confirmation solidification interface name has been occupied by other registered network interface cards, can also lead to
The mode for crossing inquiry design variables obtains, and in system initialization, can be directed to n default name of n network interface card, generate n
The variable of bit, the variable for recording whether current n default name has been registered in real time.Specifically can using it is following " time
Go through label " method:
Firstly, initializing a n bit's for the n default name (eth0, eth1 ..., ethn-1) of n network interface card
Variable.
Secondly, traversing current registered equipment chain, detection is for+1 default name ethk of kth in n network interface card
Whether the network interface name of the network interface card of registration is identical as ethk, records the traversing result of ethk with kth+1 bit of variable,
For kth+1 bit, it is occupied that 0 expression names ethk not have, and 1 indicates that name ethk is occupied.Such as 16 network interface cards
16 default names, generate the variable of a 16bitd, the traversal label result of variable record is as shown in figure 5, number i+1
The traversing result of i-th of default name (ethi) of bit records, such as the position bit of number 4 record the 3rd default name
(eth3) traversing result shows that eth3 is named not occupied by other current network interface cards.
After the busid for obtaining network interface card to be solidified by step S320, can be obtained based on mapping table or array to
Whether the solidification interface name for solidifying network interface card can get the solidification interface name by other by inquiring the variable of n above-mentioned bit
Network interface card occupies.If such as the entitled eth3 of solidification interface of network interface card to be solidified, the 4th bit for inquiring the variable of the n bit, such as
Fruit the bit is 0, then it represents that solidification interface name eth3 is not occupied by other network interface cards currently；If the bit is 1, then it represents that Gu
Change interface name eth3 currently to be occupied by other network interface cards, in this case, needs first to modify the registered of the entitled eth3 of network interface
Network interface card interface name.
By the way that design variables are arranged, and it is that record is corresponding in real time by each bit of design variables and names occupied feelings
Condition can directly inquire design variables, can quickly obtain network interface card to be solidified after the busid for obtaining network interface card to be solidified
Solidify the occupied situation of interface name, without interim traversal equipment chain, is conducive to improve the interface name solidification to network interface card to be solidified
Efficiency.
In some embodiments, shown in Figure 4, step S350 may further include:
Step 51, locking protection first is carried out to system resource；Such as by RTNL_LOCK interface operation to system resource into
Row protection.
Step 52, before the network interface name of modification conflict network interface card, the current network interface state of system is kept in, example
Such as changing network interface state is " down "；
Step 53, the network interface name of modification conflict network interface card.
It should be noted that the network interface name of modification conflict network interface card is not simple modification name variable (for indicating
The variable of network interface name) value, which can permeate in entire trawl performance, it is necessary to pass through the specific of system kernel
Function is modified, and otherwise the network interface name after synchronous change is easy to cause exception to each relating dot of kernel.
Therefore, in some embodiments, the implementation of step 53 is the objective function of calling system kernel, the target
When function is called, it can be used for for the network interface name for the network interface card that conflicts being revised as the second name, and after the network interface card modification that will conflict
Network interface name be synchronized to each relating dot of trawl performance；Wherein, second name need to meet condition: not registered
Network interface card occupy, and it is not identical as the solidification interface name of network interface card to be solidified.
Step 54, restore the original state of network Interface status, system resource is unlocked, such as is connect by UNLOCK
Mouth operation unlocks system resource.
Wherein, the temporary and recovery of network interface state is completed in kernel-driven, change network interface state
State value kernel is provided with standard interface, and transmitting the Interface status value by parameter can be realized.
Wherein, RTNL_LOCK/UNLOCK is that the movement for needing to add when standard interface operation is called in linux kernel space,
Purpose is protected to resource.
In one embodiment, before step 53 further include: obtain the second name (available network interface), then execute
Step 53, it is modified with network interface name of the available network interface name got to conflict network interface card.
In some embodiments, the mode for obtaining the second name can be by way of inquiring design variables described above
Obtain, if such as network interface card to be solidified the entitled eth3 of solidification interface, the 4th bit for inquiring design variables, the bit is 1,
Indicate that solidification interface name eth3 is currently occupied by other network interface cards, in this case, the bit for being 0 in acquisition design variables, such as the
2 bit, it can thus be appreciated that the 2nd bit corresponding name eth1 are not occupied by other network interface cards currently, therefore can be by eth1
As the second name, and modify the entitled eth1 of network interface of conflict network interface card.
The network interface name of network interface card to be solidified is named as solidification interface name by step S360.
In one embodiment, the network interface name variable assignments by network interface card to be solidified can be used for the solidification interface
Name, is achieved in the solidification of the network interface of network interface card to be solidified.
Step S370: after step S360 is finished, which can be registered in system kernel.
In some embodiments, registration network interface card can be realized in system kernel by canonical function, such as by Linux
The register_netdev function of core will have determined that cured network interface name copies in dev- > name memory.Network interface card
Network interface name comes into force, and is after registering the network interface card to core system success.So far, in registered network card equipment chain
It will can view the network interface card and its solidify the information of interface name.
Referring to the application scenarios of Fig. 6, the example of a cured method of Adapter Name, applied field are provided further below
Scape are as follows: certain money contains the interactive intelligent tablet computer system there are two local area network, which includes master controller and meter
Calculation machine module 1 and computer module 2, for main operation controller in android system, computer module 1, computer module 2 can be with
Operate in android system or Windows system, master controller built-in ethernet network interface card, can be with for connecting external network
Internet is accessed, for example default is to use eth0 as the network interface name of ethernet nic, to pass through network interface name
Eth0 connection Internet, master controller are additionally provided with two extension network interface cards (extension network interface card 1 and extension network interface card 2), two extension nets
The busid and solidification interface name of card are as shown in Figure 6.Application program in master controller is wished according to the solidification interface name and outside
Computer module is communicated, and is constituted local area network (subnet 1 and subnet 2).
In interactive intelligent tablet computer system starting process, can the cured method of Adapter Name through the foregoing embodiment, will
Extension network interface card 1, the network interface name for extending network interface card 2 are cured as eth2, eth1 respectively, finish in the starting of interactive intelligent tablet computer system
Afterwards, master controller application program passes through network interface name eth2, eth1 access extension network interface card 1, extension network interface card 2, thus can be with
Computer module 1 and computer module 2 are communicated.It does not need to carry out complexity in interactive intelligent tablet computer system starting process
Network card identification and the movement of network interface card renaming, will not cause to lead to due to the network interface name of network interface card is not fixed when each starting up
Letter failure, so that the stability and rapidity of network interface card are protected.
Different from the network interface name modification of the network interface card of user's space, the cured method of the Adapter Name of above-described embodiment is led to
The network interface name that kernel spacing solidifies network interface card is crossed, the solidification of network interface name can be completed when trawl performance load,
It is more efficient, and solidify by busid- the flexible configuration of interface name, the system that heterogeneous networks framework can be adapted to.
It should be understood that for the various method embodiments described above, although each step in flow chart is according to arrow
Instruction is successively shown, but these steps are not that the inevitable sequence according to arrow instruction successively executes.Unless having herein bright
True explanation, there is no stringent sequences to limit for the execution of these steps, these steps can execute in other order.And
And at least part step in the flow chart of embodiment of the method may include multiple sub-steps or multiple stages, this is a little
Step or stage are not necessarily to execute completion in synchronization, but can execute at different times, these sub-steps
Perhaps the execution sequence in stage be also not necessarily successively carry out but can with the sub-step of other steps or other steps or
At least part in person's stage executes in turn or alternately.
Based on thought identical with the cured method of the Adapter Name in above-described embodiment, it is cured that Adapter Name is also provided herein
Device.
In one embodiment, as shown in fig. 7, the cured device of the Adapter Name of the present embodiment includes: identifier acquisition module
701, name obtains module 702, the first confirmation module 703 and name curing module 704, and details are as follows for each module:
Identifier acquisition module 701, for obtaining the unique identification of network interface card to be solidified in systems, as device identification；
Name obtains module 702, for obtaining the first name of the network interface card to be solidified by preset mapping table；Institute
Stating record in mapping table has device identification and solidifies the mapping relations of interface name, and described first is named as equipment described in mapping table
Identify corresponding solidification interface name；
First confirmation module 703, for determining that first name is not occupied by registered network interface card；
Curing module 704 is named, for setting first name for the network interface name of the network interface card to be solidified.
Further, in one embodiment, above-mentioned apparatus further include:
Equipment chain checks module, for judging net in network card equipment chain for the first name traversal network card equipment chain
Whether the network interface name of card is identical as first name；Include in the network card equipment chain current registered network interface card and
Its network interface name；
Wherein, first confirmation module, if network interface name and institute specifically for any network interface card in network card equipment chain
It states the first name to be all different, is determined as first name and is not occupied by registered network interface card.
In another embodiment, above-mentioned apparatus further include: further include:
Variable checks module, for inquiring preset variable for first name；The variable includes n bit, n
Value be equal to system can access network interface card total amount；In the variable each bit for mark n network interface name currently whether
It is registered；
Second confirmation module, if the value for bit corresponding with the first name in the variable is the second setting value, really
It is set to first name to be occupied by registered network interface card；
Wherein, above-mentioned first confirmation module, if the value specifically for bit corresponding with the first name in the variable is the
One setting value, it is determined that do not occupied by registered network interface card for first name.
Further, in one embodiment, above-mentioned apparatus further include:
Second confirmation module, for determining that first name is occupied by registered network interface card；
Conflict obtains module, for obtaining conflict network interface card；The conflict network interface card is registered network interface card, and its network interface name
It is identical as first name；
Modified module is named, for the network interface name of the conflict network interface card to be revised as the second name；
Wherein, the name curing module, specifically for the network interface name of the conflict network interface card is being revised as second
After name is completed, first name is set by the network interface name of the network interface card to be solidified.
In one embodiment, above-mentioned apparatus further include:
Name determining module is modified, for obtaining the second name；Second name meets condition: not by registered network interface card
It occupies, and not identical as first name.
In one embodiment, above-mentioned name modified module includes:
Temporary storage location, for grid state to be changed to temporary state；
Function calling cell is used for invocation target function, when the objective function is called, is used for the conflict network interface card
Network interface name be revised as the second name, and the modified network interface name of conflict network interface card is synchronized to system kernel sky
Between each relating dot；
Recovery unit is used for recovery system network state.
In one embodiment, above-mentioned name curing module 704, specifically for by the network interface of the network interface card to be solidified
Name variable assignments is first name.
In one embodiment, above-mentioned apparatus further include:
First mapping relations establish module, the first mapping relations for network interface card being arranged Yu solidifying interface name；
Second mapping relations establish module, are used for according to first mapping relations and the corresponding device identification of network interface card,
It obtains device identification and solidifies the second mapping relations of interface name；
Mapping table establishes module, for establishing mapping table according to second mapping relations；
Mapping table preserving module, for saving the mapping table.
Specific about the cured device of Adapter Name limits the limit that may refer to above for the cured method of Adapter Name
Fixed, details are not described herein.Modules in the above-mentioned cured device of Adapter Name can fully or partially through software, hardware and its
Combination is to realize.Above-mentioned each module can be embedded in the form of hardware or independently of in the processor in computer equipment, can also be with
It is stored in the memory in computer equipment in a software form, in order to which processor calls the above modules of execution corresponding
Operation.
In addition, in the embodiment of the cured device of the Adapter Name of above-mentioned example, the logical partitioning of each program module is only
For example, can according to need in practical application, for example, for corresponding hardware configuration requirement or software realization just
Benefit considers, above-mentioned function distribution is completed by different program modules, i.e., by the internal structure of the cured device of the Adapter Name
It is divided into different program modules, to complete all or part of the functions described above.
In one embodiment, a kind of computer equipment is provided, internal structure chart can be as shown in Figure 8.The calculating
Machine equipment includes processor, memory, network interface, display screen and the input unit connected by system bus.Wherein, it handles
Device is for providing calculating and control ability；Memory includes non-volatile memory medium, built-in storage, which is situated between
Matter is stored with operating system and computer program, which is operating system and computer in non-volatile memory medium
The operation of program provides environment；Network interface is used to communicate with external terminal by network connection；The computer program is located
It manages when device executes to realize a kind of cured method of Adapter Name；Display screen can be liquid crystal display or electric ink is shown
Screen；Input unit can be the touch layer covered on display screen, be also possible to the key being arranged on computer equipment shell, track
Ball or Trackpad can also be external keyboard, Trackpad or mouse etc..
In a particular embodiment, which can be interactive intelligent tablet computer.
It will be understood by those skilled in the art that structure shown in Fig. 8, only part relevant to application scheme is tied
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific computer equipment
It may include perhaps combining certain components or with different component layouts than more or fewer components as shown in the figure.
In one embodiment, provide a kind of computer equipment, including memory, the display screen with touch function with
And processor；The memory, for storing computer program；When the computer program is executed by the processor, make
The processor is obtained to perform the steps of
The unique identification of network interface card to be solidified in systems is obtained, as device identification；
The first name of the network interface card to be solidified is obtained by preset mapping table；Record has equipment in the mapping table
Mark and the mapping relations for solidifying interface name, described first is named as the corresponding solidification interface of device identification described in mapping table
Name；
Determine that first name is not occupied by registered network interface card；
First name is set by the network interface name of the network interface card to be solidified.
In one embodiment, when the computer program is executed by the processor, also make the processor real
The step of cured method of Adapter Name of other existing above-mentioned any embodiments includes.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program performs the steps of when being executed by processor
The unique identification of network interface card to be solidified in systems is obtained, as device identification；
The first name of the network interface card to be solidified is obtained by preset mapping table；Record has equipment in the mapping table
Mark and the mapping relations for solidifying interface name, described first is named as the corresponding solidification interface of device identification described in mapping table
Name；
Determine that first name is not occupied by registered network interface card；
First name is set by the network interface name of the network interface card to be solidified.
Other above-mentioned any embodiments are also realized in some other embodiment, when which is executed by processor
The cured method of Adapter Name the step of including.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein,
To any reference of memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.The description of above-mentioned each embodiment all emphasizes particularly on different fields, in some embodiment
The part not being described in detail may refer to the associated description of other embodiments.
Term " includes " and " having " and their any deformations in embodiment, it is intended that cover non-exclusive packet
Contain.Such as contain series of steps or the process, method, system, product or equipment of (module) unit are not limited to arrange
Out the step of or unit, but optionally further comprising the step of not listing or unit, or optionally further comprising for these mistakes
The intrinsic other step or units of journey, method, product or equipment.
" multiple " referred in embodiment refer to two or more."and/or", the association for describing affiliated partner are closed
System indicates may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, individualism
These three situations of B.Character "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or".
" first second " referred in embodiment be only be the similar object of difference, do not represent for the specific of object
Sequence, it is possible to understand that specific sequence or precedence can be interchanged in ground, " first second " in the case where permission.It should manage
The object that solution " first second " is distinguished is interchangeable under appropriate circumstances so that the embodiments described herein can in addition to
Here the sequence other than those of diagram or description is implemented.
Only several embodiments of the present invention are expressed for above embodiments, and but it cannot be understood as to patent of invention
The limitation of range.It should be pointed out that for those of ordinary skill in the art, in the premise for not departing from the application design
Under, various modifications and improvements can be made, these belong to the protection scope of the application.Therefore, the protection of the application patent
Range should be determined by the appended claims.
Claims (19)
1. a kind of cured method of Adapter Name characterized by comprising
The unique identification of network interface card to be solidified in systems is obtained, as device identification；
The first name of the network interface card to be solidified is obtained by preset mapping table；Record has device identification in the mapping table
The corresponding solidification interface name of device identification described in mapping table is named as with the mapping relations for solidifying interface name, described first；
Determine that first name is not occupied by registered network interface card；
First name is set by the network interface name of the network interface card to be solidified.
2. the method according to claim 1, wherein the determination first name is not by registered network interface card
It occupies, before further include:
Traverse registered equipment chain for first name, judge network interface card in the equipment chain network interface name whether with institute
It is identical to state the first name；It include current registered network interface card and its network interface name in the equipment chain；
If the network interface name of any network interface card is not identical as first name in the equipment chain, it is determined as first life
Name is not occupied by registered network interface card.
3. the method according to claim 1, wherein determining that first name is not accounted for by registered network interface card
With before further include:
Preset variable is inquired for first name；The variable includes n bit, and the value of n is equal to what system can access
Network interface card total amount；Each bit is for marking whether n network interface name is currently registered in the variable；
If in the variable value of bit corresponding with the first name be the first setting value, it is determined that for it is described first name not by
Registered network interface card occupies；
If the value of bit corresponding with the first name is the second setting value in the variable, it is determined that be first name by
The network interface card of registration occupies.
4. the method according to claim 1, wherein further include:
Determine that first name is occupied by registered network interface card；
Obtain conflict network interface card；The conflict network interface card is registered network interface card, and its network interface name is identical as first name；
The network interface name of the conflict network interface card is revised as the second name；
After the network interface name of the conflict network interface card to be revised as to the second name and is completed, by the net of the network interface card to be solidified
Network interface name is set as first name.
5. according to the method described in claim 4, it is characterized in that, the network interface name by the conflict network interface card is revised as
Second name, before further include:
Obtain the second name；Second name meets condition: not being occupied by registered network interface card, and names with described first
It is not identical.
6. according to the method described in claim 4, it is characterized in that, the network interface name by the conflict network interface card is revised as
Second name, comprising:
Grid state is changed to temporary state；
Invocation target function, when the objective function is called, for the network interface name of the conflict network interface card to be revised as the
Two name, and the conflict modified network interface name of network interface card is synchronized to each relating dot in system kernel space；
Recovery system network state.
7. according to the method described in claim 4, it is characterized in that, the network interface name by the network interface card to be solidified is set
It is set to first name, comprising:
It is first name by the network interface name variable assignments of the network interface card to be solidified.
8. method according to any one of claims 1 to 7, which is characterized in that
The system is the operating system based on linux kernel；Network interface card to be solidified is usb expansion network interface card.
9. according to the method described in claim 8, it is characterized in that, described obtain the unique mark of network interface card to be solidified in systems
Know, comprising:
Obtain the busid mark of network interface card to be solidified in an operating system.
10. method according to any one of claims 1 to 7, which is characterized in that further include:
Network interface card is set and solidifies the first mapping relations of interface name；
According to first mapping relations and the corresponding device identification of network interface card, obtains device identification and solidify the second of interface name
Mapping relations；
Mapping table is established according to second mapping relations；
Save the mapping table.
11. a kind of cured device of Adapter Name characterized by comprising
Identifier acquisition module, for obtaining the unique identification of network interface card to be solidified in systems, as device identification；
Name obtains module, for obtaining the first name of the network interface card to be solidified by preset mapping table；The mapping
Record has device identification and solidifies the mapping relations of interface name in table, and described first is named as device identification pair described in mapping table
The solidification interface name answered；
First confirmation module, for determining that first name is not occupied by registered network interface card；
Curing module is named, for setting first name for the network interface name of the network interface card to be solidified.
12. device according to claim 11, which is characterized in that further include:
Equipment chain checks module, for judging network interface card in network card equipment chain for the first name traversal network card equipment chain
Whether network interface name is identical as first name；It include current registered network interface card and its net in the network card equipment chain
Network interface name；
Wherein, first confirmation module, if the network interface name specifically for any network interface card in network card equipment chain and described the
One name is all different, and is determined as first name and is not occupied by registered network interface card.
13. device according to claim 11, which is characterized in that further include:
Variable checks module, for inquiring preset variable for first name；The variable includes n bit, and n's takes
Value is equal to the network interface card total amount that system can access；Each bit is for marking whether n network interface name is currently infused in the variable
Volume；
Second confirmation module, if the value for bit corresponding with the first name in the variable is the second setting value, it is determined that be
First name is occupied by registered network interface card；
Wherein, first confirmation module, if the value specifically for bit corresponding with the first name in the variable sets for first
Definite value, it is determined that do not occupied by registered network interface card for first name.
14. device according to claim 11, which is characterized in that further include:
Second confirmation module, for determining that first name is occupied by registered network interface card；
Conflict obtains module, for obtaining conflict network interface card；The conflict network interface card is registered network interface card, and its network interface name and institute
It is identical to state the first name；
Modified module is named, for the network interface name of the conflict network interface card to be revised as the second name；
Wherein, the name curing module, specifically for the network interface name of the conflict network interface card is being revised as the second name
After completion, first name is set by the network interface name of the network interface card to be solidified.
15. device according to claim 14, which is characterized in that further include:
Name determining module is modified, for obtaining the second name；Second name meets condition: not being accounted for by registered network interface card
With, and it is not identical as first name.
16. device according to claim 14, which is characterized in that the name modified module includes:
Temporary storage location, for grid state to be changed to temporary state；
Function calling cell, be used for invocation target function, when the objective function be called, for by it is described conflict network interface card net
Network interface name is revised as the second name, and the modified network interface name of the conflict network interface card is synchronized to system kernel space
Each relating dot；
Recovery unit is used for recovery system network state.
17. 1 to 16 any device according to claim 1, which is characterized in that further include:
First mapping relations establish module, the first mapping relations for network interface card being arranged Yu solidifying interface name；
Second mapping relations establish module, for obtaining according to first mapping relations and the corresponding device identification of network interface card
Device identification and the second mapping relations for solidifying interface name；
Mapping table establishes module, for establishing mapping table according to second mapping relations；
Mapping table preserving module, for saving the mapping table.
18. a kind of computer equipment, including memory and processor；
The memory is for storing computer program；It is characterized in that,
When the computer program is executed by the processor, so that the processor realizes any institute of claims 1 to 10
The step of stating method.
19. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that when the computer journey
When sequence is executed by the processor, so that the step of processor realizes claims 1 to 10 any the method.
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| CN112003960A (en) * | 2020-08-06 | 2020-11-27 | 杭州安恒信息技术股份有限公司 | Network interface management method and device of industrial control equipment and electronic device |
| CN112003960B (en) * | 2020-08-06 | 2022-11-15 | 杭州安恒信息技术股份有限公司 | Network interface management method and device of industrial control equipment and electronic device |
| CN113835783A (en) * | 2021-09-24 | 2021-12-24 | 青岛海信移动通信技术股份有限公司 | Method and device for controlling start of Wi-Fi network card and terminal equipment |
| CN114265554A (en) * | 2021-12-22 | 2022-04-01 | 苏州浪潮智能科技有限公司 | NVME qualified name mapping method, computer equipment and storage medium |
| CN114265554B (en) * | 2021-12-22 | 2023-08-15 | 苏州浪潮智能科技有限公司 | NVME (network video memory equipment) limit name mapping method, computer equipment and storage medium |
| CN115277630A (en) * | 2022-08-12 | 2022-11-01 | 东软集团股份有限公司 | Method, device and equipment for renaming network adapter interface |
| CN115277630B (en) * | 2022-08-12 | 2024-05-17 | 东软集团股份有限公司 | Method, device and equipment for renaming network adapter interface |
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| CN109412830B (en) | 2022-05-06 |
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