CN108770042B - Network connection method, terminal device and computer storage medium - Google Patents
Network connection method, terminal device and computer storage medium Download PDFInfo
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- CN108770042B CN108770042B CN201810327716.0A CN201810327716A CN108770042B CN 108770042 B CN108770042 B CN 108770042B CN 201810327716 A CN201810327716 A CN 201810327716A CN 108770042 B CN108770042 B CN 108770042B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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Abstract
The embodiment of the invention discloses a network connection method, which is applied to terminal equipment and comprises the following steps: when detecting that a system of the terminal equipment is in a first state, generating a network connection instruction; the first state represents that a system of the terminal equipment is in an abnormal working state or a state incapable of being started; controlling the wireless communication unit to establish connection with a network side based on the network connection indication; and performing data interaction with the network side based on the connection established between the wireless communication unit and the network side. The embodiment of the invention also discloses a terminal device and a computer storage medium.
Description
Technical Field
The present invention relates to network technologies, and in particular, to a network connection method, a terminal device, and a computer storage medium.
Background
The existing Wireless Local Area Network (WLAN) can be used only by being normally enabled based on a system process, that is, a system _ server process is started or a user is triggered through an interface, and WLAN system initialization is realized by calling a framework layer code layer by layer to a bottom layer interface.
In the prior art, the WLAN system can be used only after the system is completely started, and the scene that the system is abnormally started and cannot be recovered cannot be covered, namely the WLAN system cannot be used when the system is abnormally started and cannot be recovered.
Disclosure of Invention
In order to solve the foregoing technical problems, embodiments of the present invention desirably provide a network connection method, a terminal device, and a computer storage medium, which can establish connection with a network side when an android system is abnormally started, so as to implement downloading or uploading of data.
The embodiment of the invention provides a network connection method, which comprises the following steps:
when detecting that a system of the terminal equipment is in a first state, generating a network connection instruction; the first state represents that a system of the terminal equipment is in an abnormal working state or a state incapable of being started;
controlling the wireless communication unit to establish connection with a network side based on the network connection indication;
and performing data interaction with the network side based on the connection established between the wireless communication unit and the network side.
The embodiment of the invention also provides a terminal device, which comprises: the detection unit is used for generating a network connection instruction when detecting that a system of the terminal equipment is in a first state; the first state represents that a system of the terminal equipment is in an abnormal working state or a state incapable of being started;
the control unit is used for controlling the wireless communication unit to establish connection with a network side based on the network connection indication;
and the data interaction unit is used for performing data interaction with the network side based on the connection established between the wireless communication unit and the network side.
An embodiment of the present invention further provides a terminal device, including: a processor and a memory configured to store a computer program capable of running on the processor,
wherein the processor is configured to perform the steps of the aforementioned method when running the computer program.
The embodiment of the invention also provides a computer storage medium, wherein a computer program is stored on the computer storage medium, and the computer program is characterized in that when being executed by a processor, the computer program realizes the steps of the method.
According to the technical scheme provided by the embodiment of the invention, when the system of the terminal equipment is detected to be in the first state, a network connection instruction is generated; controlling the wireless communication unit to establish connection with the network side based on the network connection indication; and performing data interaction with the network side based on the connection established between the wireless communication unit and the network side. When the system of the terminal equipment is in an abnormal state, the wireless communication unit is controlled to be connected with the network side, the system is restored to a normal state through data interaction with the network side, or key data of the terminal equipment are stored, and data loss is avoided.
Drawings
Fig. 1 is a first flowchart of a method for network connection according to an embodiment of the invention;
FIG. 2 is a second flowchart of a method for network connection according to an embodiment of the invention;
FIG. 3 is a third flowchart of a method for network connection according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a first composition structure of a terminal device in the embodiment of the present invention;
fig. 5 is a schematic diagram of a second component structure of the terminal device in the embodiment of the present invention.
Detailed Description
So that the manner in which the features and aspects of the embodiments of the present invention can be understood in detail, a more particular description of the embodiments of the invention, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings.
Example one
As shown in fig. 1, the method of network connection includes:
step 101: when detecting that a system of the terminal equipment is in a first state, generating a network connection instruction; the first state represents that a system of the terminal equipment is in an abnormal working state or a state incapable of being started;
step 102: controlling the wireless communication unit to establish connection with the network side based on the network connection indication;
step 103: and performing data interaction with the network side based on the connection established between the wireless communication unit and the network side.
Here, the execution subject of steps 101 to 103 may be a processor of the terminal device.
In practical application, step 101 specifically includes: and when detecting that the android system cannot be normally started and cannot be recovered, generating a network connection indication. That is, the first state is a state in which the android system cannot be normally started and is unrecoverable. For example, when a system partition is abnormal, the android system cannot be started normally, the recovery mode cannot be recovered, and the WLAN cannot be used at this time.
In practical application, the data interaction with the network side specifically includes: downloading recovery data from a network side, wherein the recovery data is used for recovering a system of the terminal equipment so as to enable the system of the terminal equipment to be in a second state, and the second state represents that the system of the terminal equipment is in a normal starting state; or, uploading the key data to the network side.
That is to say, the data of the terminal device is backed up on the network side in advance, and after the system is connected to the network side in an abnormal state, the system can be restored to a normal state by downloading the previously backed-up data from the network side, or the key data of the terminal device is uploaded to the network side, so that the loss of the key data is avoided.
In practical applications, the wireless communication unit may be a wireless local area network WLAN.
Further, the step 102 of controlling the wireless communication unit to establish a connection with the network side includes: calling a binary program of a Linux end to start a WLAN minimum subsystem and establish connection with a network side; wherein the WLAN minimal subsystem comprises WLAN firmware and a WLAN network.
Further, invoking a Linux binary program to start a WLAN minimum subsystem, including: starting a binary program required by loading WLAN firmware and a binary program required by a WLAN network; initiating scanning through a wpa _ cli scan command and acquiring a scanning result; and accessing the destination network according to the scanning result.
Illustratively, accessing the destination network according to the scanning result includes: displaying the scanning result on a display interface; acquiring a network selection indication based on the displayed scanning result; and accessing the destination network according to the network selection indication.
According to the technical scheme provided by the embodiment of the invention, when the system of the terminal equipment is detected to be in the first state, a network connection instruction is generated; controlling the wireless communication unit to establish connection with the network side based on the network connection indication; and performing data interaction with the network side based on the connection established between the wireless communication unit and the network side. When the system of the terminal equipment is in an abnormal state, the wireless communication unit is controlled to be connected with the network side, the system is restored to a normal state through data interaction with the network side, or key data of the terminal equipment are stored, and data loss is avoided.
Example two
To further illustrate the object of the present invention, based on the first embodiment of the present invention, as shown in fig. 2, the network connection method specifically includes:
step 201: when detecting that the android system cannot be started normally and cannot be recovered, generating a network connection instruction;
step 202: and calling a binary program of a Linux end to start a WLAN minimum subsystem according to the network connection instruction, and establishing connection with a network side.
Step 203: and downloading recovery data from the network side or uploading key data to the network side.
Illustratively, step 201 may specifically include: and when detecting that the android system cannot be normally started and cannot be recovered when entering a recovery mode, generating a network connection indication. Here, the recovery mode may be an android mobile phone backup function, and refers to a mode that can modify data or a system inside an android, and in this mode, an existing system may be backed up or upgraded, or factory settings may be restored here. For example, when a system partition of a mobile phone is abnormal, the system cannot be started normally, the recovery mode is entered and cannot be recovered, and a network connection indication is generated.
In actual application, the recovery data at least comprises data required by normal startup of the android system; and recovering the normal start of the android system according to the recovery data. For example, when a system partition is corrupted, the recovery data is the partition data that was previously backed up. The key data can be any data which needs to be protected when the system is abnormal by the terminal equipment. Such as address book, pictures, videos, documents, applications, etc. data for the user.
In practice, the WLAN minimal subsystem may include WLAN firmware and a WLAN network; invoking a Linux binary program to start a WLAN minimum subsystem comprises: starting a binary program required by loading WLAN firmware and a binary program required by a WLAN network; initiating scanning through a wpa _ cli scan command and acquiring a scanning result; and accessing the destination network according to the scanning result. Here, the Linux-side binary program may include: a wlan driver, a wpa _ suppernant (wlan management service process), a wpa _ cli (client calling process), and the like.
Further, invoking the Linux binary program to start the WLAN minimum subsystem may specifically include the following steps:
step a: starting basic binary service required by loading WLAN firmware; here, the base binary executable service is typically below the vendor/bin, running this process directly. Such as starting Hwservice manager, tftp _ server &, starting cns-daemon-n-l &, starting netd & etc.
Step b: loading WLAN network related services; here, invoke insmod/sbin/qca _ cld3_ WLAN. ko to load the WLAN driver, launch wpa _ suppernant and launch wpa _ cli.
Step c: initiating scanning to obtain a scanning result;
step d: and accessing the destination network according to the scanning result.
Illustratively, accessing the destination network according to the scanning result includes: displaying the scanning result on a display interface; acquiring a network selection indication based on the displayed scanning result; and accessing the destination network according to the network selection indication.
In the prior art, the use of the WLAN system can only be realized after the system is completely started, and a scene that the system is abnormally started and cannot be recovered cannot be covered, that is, the use of the WLAN system cannot be realized when the system is abnormally started and cannot be recovered. The technical scheme provided by the embodiment of the invention can ensure that the last remedial measure is taken when the android system cannot be normally started and recovered, the WLAN minimum subsystem is started to access the network, and the recovery data is downloaded from the network side or the key data is uploaded to the network side, so that the system is ensured to be recovered to be normal or the key information is not lost.
EXAMPLE III
The technical solution of the first embodiment of the present invention is further described in detail with reference to an application embodiment. When the system partition is abnormal and the system cannot be started normally, the control terminal device establishes connection with the network side, downloads the specified image file from the network side, or uploads the key data to the network side. The image file contains the partition data which is backed up previously, and the image file is analyzed after being downloaded, so that the damaged partition data is restored to the state before backup, and the system is normally started.
As shown in fig. 3, the network connection method specifically includes:
step 301: and generating a network connection indication when detecting that the android system cannot be started normally.
Here, step 301 may be executed by a processor of the terminal device, where the processor is capable of detecting whether the android system is normally started, and executing a normal system operation when the android system is normally started; when the normal starting cannot be carried out, a network connection instruction is generated; the processor of the terminal executes the steps of starting the WLAN minimum subsystem, i.e. executing steps 302 to 310, in the embodiment of the present invention when the network connection indication is detected.
Step 302: and mounting the subarea.
In the embodiment of the invention, the example that the system cannot be normally started due to the damage of the system partition is taken as an example for illustration, wherein when the system partition is abnormal, the system cannot be normally started, and the partition is possibly unloaded, so that the system, the vendor and the persistence partition can be normally mounted through a mount command, and then a Linux-end binary program is called to start the WLAN minimum subsystem.
Step 303: the basic binary services required to load the WLAN firmware are started.
Here, the WLAN firmware may be a hardware component included in the WLAN minimal subsystem, and the underlying binary executable service is usually under the vendor/bin, and this process may be run directly. Such as starting Hwservice manager, tftp _ server &, starting cns-daemon-n-l &, starting netd & etc.
Step 304: loading WLAN network related services.
Here, the WLAN network may be a software part included in the WLAN minimum subsystem, for example, invoking insmod/sbin/qca _ cld3_ wlan.ko to load a WLAN driver, and launching a wpa _ supplicant (WLAN management service process) and a wpa _ cli (client invocation process).
Step 305: initiating scanning, acquiring a scanning result, judging whether the scanning result exists, and if so, executing step 306; if not, execution continues with step 305.
Specifically, scanning is initiated through a wpa _ cli scan command, and a scanning result is obtained, wherein the scanning result comprises at least one access network. For example, the scanning result includes network 1 to network N, where N is a positive integer.
Step 306: and acquiring a network connection instruction according to the scanning result to determine the connected destination network.
Illustratively, the scanning result is displayed on a display interface for a user to select, the user selects a connected destination network from the scanning result, a network connection instruction is generated according to the selection result of the user, and then the connected destination network is determined according to the generated network connection instruction. For example, a user selects a network 1 from a network 1 to a network N as a destination network, and a terminal acquires a network connection indication of an access network 1; and determining the network 1 as a destination network according to the network connection indication.
Step 307: calling wap _ cli binary to connect to the destination network.
Specifically, a wpa _ cli set _ network command is called to connect to the network.
Step 308: the dhcptools program is called to assign IP addresses.
Specifically, the dhcptools wlan0 is invoked to negotiate an IP address with the router.
Step 309: and calling the ndc command to set the local DNS, the subnet mask and the routing information.
Step 310: and normally accessing a target network to realize data downloading or uploading.
Here, the destination network is accessed normally, that is, the connection between the terminal device and the network side is established, and then the image file of the damaged partition can be downloaded from the network side, and the key data can be uploaded to the network side.
By adopting the technical scheme, when the android system is not normally started, a Linux binary program is called to start the WLAN minimum subsystem, connection is established with a network side, and data downloading or uploading is carried out, so that the method is very helpful for system recovery and key data backup.
Example four
In order to implement the method according to the embodiment of the present invention, an embodiment of the present invention further provides a terminal device, as shown in fig. 4, where the terminal device 40 includes:
a detecting unit 401, configured to generate a network connection instruction when detecting that a system of a terminal device is in a first state; the first state represents that a system of the terminal equipment is in an abnormal working state or a state incapable of being started;
a control unit 402, configured to control the wireless communication unit to establish a connection with a network side based on the network connection indication;
and a data interaction unit 403, configured to perform data interaction with the network side based on the connection established between the wireless communication unit and the network side.
In some embodiments, the detecting unit 401 is specifically configured to generate the network connection indication when it is detected that the android system cannot be normally started and cannot be recovered.
In some embodiments, the data interaction unit 403 is specifically configured to download recovery data from the network side, where the recovery data is used to recover the system of the terminal device, so that the system of the terminal device is in a second state, where the second state represents that the system of the terminal device is in a state of normal startup.
In some embodiments, the data interaction unit 403 is specifically configured to upload the critical data to the network side.
In some embodiments, the wireless communication unit is a wireless local area network WLAN.
In some embodiments, the control unit 402 is specifically configured to invoke a Linux binary program to start a WLAN minimum subsystem, and establish a connection with a network side; wherein the WLAN minimal subsystem comprises WLAN firmware and a WLAN network.
In some embodiments, the control unit 402 is specifically configured to start a binary program required for loading WLAN firmware and a binary program required for the WLAN network; initiating scanning through a wpa _ cli scan command and acquiring a scanning result; and accessing the destination network according to the scanning result.
In some embodiments, the control unit 402 is specifically configured to display the scan result on a display interface; acquiring a network selection indication based on the displayed scanning result; and accessing the destination network according to the network selection indication.
EXAMPLE five
Based on the hardware implementation of each unit in the terminal device, another terminal device is further provided in the embodiments of the present invention, as shown in fig. 5, where the terminal device 50 includes: a processor 501 and a memory 502 configured to store a computer program capable of running on the processor;
wherein the processor 501 is configured to execute the method steps in the previous embodiments when running the computer program.
Of course, in actual practice, the various components in the terminal device 50 are coupled together by a bus system 503, as shown in FIG. 5. It will be appreciated that the bus system 503 is used to enable communications among the components. The bus system 503 includes a power bus, a control bus, and a status signal bus in addition to the data bus. For clarity of illustration, however, the various buses are labeled as bus system 503 in fig. 5.
In an exemplary embodiment, the present invention further provides a computer readable storage medium, such as a memory 502, comprising a computer program, which is executable by a processor 501 of the terminal device 50 to perform the aforementioned method steps. The computer-readable storage medium may be a magnetic random access Memory (FRAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM), among other memories.
The technical schemes described in the embodiments of the present invention can be combined arbitrarily without conflict.
In the embodiments provided in the present invention, it should be understood that the disclosed method and intelligent device may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one second processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Industrial applicability
According to the technical scheme provided by the embodiment of the invention, when the system of the terminal equipment is detected to be in the first state, a network connection instruction is generated; controlling the wireless communication unit to establish connection with the network side based on the network connection indication; and performing data interaction with the network side based on the connection established between the wireless communication unit and the network side. When the system of the terminal equipment is in an abnormal state, the wireless communication unit is controlled to be connected with the network side, the system is restored to a normal state through data interaction with the network side, or key data of the terminal equipment are stored, and data loss is avoided.
Claims (12)
1. A network connection method is applied to terminal equipment, and is characterized in that the method comprises the following steps:
generating a network connection indication when detecting that the wireless communication unit is unavailable due to the system of the terminal equipment being in a first state; the first state represents that a system of the terminal equipment is in an abnormal working state or a state which cannot be started, and cannot be recovered;
controlling the wireless communication unit to establish connection with a network side based on the network connection indication;
performing data interaction with the network side based on the connection established between the wireless communication unit and the network side;
the wireless communication unit is a Wireless Local Area Network (WLAN);
the controlling the wireless communication unit to establish connection with the network side includes: calling a binary program of a Linux end to start a WLAN minimum subsystem and establish connection with a network side; wherein the WLAN minimal subsystem comprises WLAN firmware and a WLAN network.
2. The method of claim 1, wherein interacting with the network side comprises:
and downloading recovery data from the network side, wherein the recovery data is used for recovering the system of the terminal equipment so as to enable the system of the terminal equipment to be in a second state, and the second state represents that the system of the terminal equipment is in a normal starting state.
3. The method of claim 1, wherein interacting with the network side comprises:
and uploading the key data to the network side.
4. The method of claim 1, wherein invoking the Linux-side binary to launch a WLAN minimal subsystem comprises:
starting a binary program required by loading WLAN firmware and a binary program required by a WLAN network;
initiating scanning through a wpa _ cli scan command and acquiring a scanning result;
and accessing the destination network according to the scanning result.
5. The method of claim 4, wherein accessing the destination network according to the scanning result comprises:
displaying the scanning result on a display interface;
acquiring a network selection indication based on the displayed scanning result;
and accessing the destination network according to the network selection indication.
6. A terminal device, characterized in that the terminal device comprises:
the detection unit is used for generating a network connection instruction when detecting that the wireless communication unit is unavailable due to the fact that the system of the terminal equipment is in the first state; the first state represents that a system of the terminal equipment is in an abnormal working state or a state which cannot be started, and cannot be recovered;
the control unit is used for controlling the wireless communication unit to establish connection with a network side based on the network connection indication;
the data interaction unit is used for performing data interaction with the network side based on the connection established between the wireless communication unit and the network side;
the wireless communication unit is a Wireless Local Area Network (WLAN);
the control unit is specifically used for calling a binary program of a Linux end to start a WLAN minimum subsystem and establishing connection with a network side; wherein the WLAN minimal subsystem comprises WLAN firmware and a WLAN network.
7. The terminal device according to claim 6, wherein the data interaction unit is specifically configured to download recovery data from the network side, where the recovery data is used to recover the system of the terminal device, so that the system of the terminal device is in a second state, where the second state represents that the system of the terminal device is in a normally started state.
8. The terminal device according to claim 6, wherein the data interaction unit is specifically configured to upload critical data to the network side.
9. The terminal device according to claim 6, wherein the control unit is specifically configured to start a binary program required for loading WLAN firmware and a binary program required for the WLAN network; initiating scanning through a wpa _ cli scan command and acquiring a scanning result; and accessing the destination network according to the scanning result.
10. The terminal device according to claim 9, wherein the control unit is specifically configured to display the scanning result on a display interface; acquiring a network selection indication based on the displayed scanning result; and accessing the destination network according to the network selection indication.
11. A terminal device, the terminal device comprising: a processor and a memory configured to store a computer program capable of running on the processor,
wherein the processor is configured to perform the steps of the method of any one of claims 1 to 5 when running the computer program.
12. A computer storage medium on which a computer program is stored, characterized in that the computer program, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 5.
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CN106897166B (en) * | 2015-12-17 | 2020-12-15 | 联发科技(新加坡)私人有限公司 | Mobile terminal and repairing method thereof |
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CN104093166A (en) * | 2014-07-08 | 2014-10-08 | 南京信息工程大学 | Wireless sensor network connection recovery method based on minimum movement of nodes |
CN106714181A (en) * | 2016-12-07 | 2017-05-24 | 广东欧珀移动通信有限公司 | Method and apparatus for accessing WiFi hotspot |
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