CN108833508B - Multi-path APN networking method, storage medium and system applied to Internet of vehicles system - Google Patents
Multi-path APN networking method, storage medium and system applied to Internet of vehicles system Download PDFInfo
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Abstract
The invention relates to the field of Internet of vehicles, in particular to a multipath APN (access point name) networking method, a storage medium and a system applied to an Internet of vehicles system, wherein the Internet of vehicles system comprises a host and an Internet of things module, and the method comprises the following steps: receiving the network request through an interface of an application framework layer of a host system, and acquiring identification information of the application program; matching corresponding APN channel information according to the identification information; generating an APN information packet according to the network request and the APN channel information, and sending the APN information packet to an Internet of things module in the form of an SPI message; the Internet of things module receives the SPI message, distributes the network request to a corresponding virtual network card according to APN channel information contained in the SPI message, and is networked outside through the virtual network card; and receiving the network data returned by the virtual network card, and feeding back the network data to the corresponding application program. The invention realizes the simultaneous work of multiple APNs in the Internet of vehicles system.
Description
Technical Field
The invention relates to the field of Internet of vehicles, in particular to a multi-channel APN networking method, a storage medium and a system applied to an Internet of vehicles system.
Background
The host of the current car networking system provides various services, including navigation service, remote diagnosis service, vehicle-mounted safety service, infotainment service, and other application services (such as car owner self-service application service), which are mostly realized through data traffic communication based on application programs in the host system, different services are provided by different suppliers, each supplier has a network access point of a service background of the own application program, so that the car networking system is divided into public network access and private network access through a data traffic access network form, if each private network service supplier and an operator reach an agreement, as long as the data traffic generated when the service application of each private network service supplier is accessed, each private network service supplier and the operator settle accounts, and the data traffic accessing the public network is born by the car owner, so that the host of the car networking system is required to be capable of distinguishing the data traffic generated by each service application, and the background server of each service application is accessed independently, so that the simultaneous working of multiple APNs on the Internet of vehicles is required. The current car networking system only supports the access of one APN and does not support the simultaneous work of multiple APNs to access a public network and a private network, for example, information entertainment service cannot be used when navigation service is used, so that the car networking system cannot provide more practical and convenient service for car owners, and the problem to be solved in the current car networking industry is urgent.
Disclosure of Invention
In order to overcome the technical problems, in particular to the problem that the prior art cannot well realize the simultaneous work of multiple APNs in a vehicle networking system, the following technical scheme is provided:
in a first aspect, the invention provides a multi-channel APN networking method applied to a vehicle networking system, wherein the vehicle networking system comprises a host and an Internet of things module, and the method is characterized by comprising the following steps:
an application program on a host computer initiates a network request; receiving the network request through an interface of an application framework layer of a host system, and acquiring identification information of the application program; matching corresponding APN channel information according to the identification information; generating an APN information packet according to the network request and the APN channel information, and sending the APN information packet to an Internet of things module through an SPI (serial peripheral interface) of a bottom layer of a host system in the form of an SPI (serial peripheral interface) message;
the Internet of things module receives the SPI message and analyzes the SPI message to acquire APN channel information contained in the SPI message; distributing the network request to a corresponding virtual network card according to APN channel information contained in the SPI message, and externally networking through the virtual network card; receiving network data returned by the virtual network card, and sending the network data to a host through an SPI (serial peripheral interface) of an Internet of things module;
and after receiving the network data, the host feeds the network data back to the corresponding application program.
Further, the packing the APN information packet to an internet of things module through an SPI interface of a host system bottom layer with an SPI message, includes:
converting the APN information packet into an SPI message;
and communicating with the SPI of the Internet of things module through the SPI at the bottom layer of the host system, and sending the SPI message to the Internet of things module.
Further, the distributing the network request to a corresponding virtual network card according to the APN channel information included in the SPI message, and the extranet through the virtual network card includes:
and distributing the network request to a corresponding virtual network card according to the APN channel information contained in the SPI message, networking to a background server of a corresponding application program through the virtual network card, and sending the network request to the background server.
Further, after receiving the network data returned by the virtual network card, the method further includes:
counting the network data flow of different virtual network cards within a preset time length;
and matching the flow package of the application program according to the network data flow.
Optionally, the internet of things module includes a Telematics Box or a 4G module.
Preferably, the host system is an Android system, and the Android system is an Android version of 5.1.1 or more.
In a second aspect, the present invention further provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the computer program implements the foregoing multi-APN networking method applied in a car networking system.
In a third aspect, the invention further provides a car networking system, where the car networking system includes a host and an internet of things module, and the host and the internet of things module are used to execute the above multi-path APN networking method applied to the car networking system.
Compared with the prior art, the invention has the following beneficial effects:
the embodiment provides a function for realizing multi-channel APN simultaneous networking applied to a vehicle networking system, which is characterized in that a network request of each application program of an application layer is received in an application framework layer of a host system, then the corresponding APN channel information is matched according to the identification information of the application program, the network request is generated into an APN information packet, the APN information packet is sent to an Internet of things module through an SPI (serial peripheral interface) interface of the bottom layer of the host as an SPI (serial peripheral interface) message, the SPI message is analyzed by the Internet of things module, then the network request is distributed to a corresponding virtual network card according to the APN channel information contained in the SPI message, the network requests of different application programs are distributed to different virtual network cards through the virtual network card, and then the received network data is fed back to the application programs, so that the multi-channel APNs including a public network and a private network on the, the car networking system can provide multiple services including public networks and private networks, and brings more substantial and convenient services for car owners of the car networking.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic flow chart illustrating an embodiment of a multi-APN networking method applied in a car networking system according to the present invention;
FIG. 2 is a schematic diagram of a layered architecture of a host and an IOT module in the IOT system of the present invention;
fig. 3 is a schematic diagram of an embodiment of the car networking system.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, or operations, but do not preclude the presence or addition of one or more other features, integers, steps, operations, or groups thereof.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Those skilled in the art will appreciate that the concepts of server, cloud, remote network device, etc., as used herein, have equivalent effects, including but not limited to a computer, a network host, a single network server, multiple network server sets, or a cloud of multiple servers. Here, the Cloud is composed of a large number of computers or network servers based on Cloud Computing (Cloud Computing), which is a kind of distributed Computing, a super virtual computer composed of a group of loosely coupled computer sets. In the embodiment of the present invention, the remote network device, the terminal device and the WNS server may communicate with each other through any communication method, including but not limited to mobile communication based on 3GPP, LTE and WIMAX, computer network communication based on TCP/IP and UDP protocols, and short-range wireless transmission based on bluetooth and infrared transmission standards.
It will be appreciated by those skilled in the art that the terms "application," "computer program" and similar terms used herein refer to the same concepts known to those skilled in the art that refer to computer software electronically-adapted to be organized into a series of computer instructions and associated data sources. Unless otherwise specified, such nomenclature is not itself limited by the programming language class, level, or operating system or platform upon which it depends. Of course, such concepts are not limited to any type of terminal.
In one embodiment, the present invention provides a multi-APN networking method applied in a car networking system, where the car networking system includes a host and an internet of things module, as shown in fig. 1, the method includes the following steps:
s10: an application program on a host computer initiates a network request; receiving the network request through an interface of an application framework layer of a host system, and acquiring identification information of the application program; matching corresponding APN channel information according to the identification information; and generating an APN information packet according to the network request and the APN channel information, and sending the APN information packet to an Internet of things module through an SPI (serial peripheral interface) of a bottom layer of a host system in the form of an SPI (serial peripheral interface) message.
Preferably, the system of the host in the embodiment is an Android system, and as shown in fig. 2, the system of the host in the car networking system in this embodiment may be divided into an application Layer (APP), an application Framework Layer (Framework), a Hardware Abstraction Layer (HAL for short) and a bottom Layer (Kernel) according to a software architecture Layer.
In this embodiment, an application on a host needs to be networked, a network request is initiated at an application layer, for example, APP1 and APP2 initiate network requests, the application layer sends out the network request of each APP that needs to be networked through calling an interface of an application framework layer, the network request can be received at the application framework layer of the host system through the interface of the application framework layer, identification information of the application is obtained, for example, the identification information of the application connected to a public network is all configured to be 0, the identification information of the application connected to a private network is configured to be 1x, x values corresponding to different applications are different, then corresponding APN channel information is matched according to the identification information, the APN channel information includes APN setting parameters, such as an access point name, a country number MCC, an operator number MNC, and a globally unique identifier of an operator, a user name, and APN setting parameters, Passwords, ports, etc. Then, in this embodiment, an APN information packet is generated from the network request and the APN channel information according to a customized SPI communication protocol, and the APN information packet is sent to an internet of things module as an SPI message through an SPI interface of a host system bottom layer.
S20: the Internet of things module receives the SPI message and analyzes the SPI message to acquire APN channel information contained in the SPI message; distributing the network request to a corresponding virtual network card according to APN channel information contained in the SPI message, and externally networking through the virtual network card; and receiving the network data returned by the virtual network card, and sending the network data to the host through the SPI interface of the Internet of things module.
As shown in fig. 2, the internet of things module in the car networking system of the embodiment can be divided into an App layer, a Framework layer and a Kernel layer according to software architecture layering. A Linux App layer of the Internet of things module receives the SPI message sent by the host, analyzes the SPI message to acquire APN channel information contained in the SPI message, then distributing the network request to a corresponding virtual network card according to the APN channel information contained in the SPI message, for example, network requests initiated by APP1 on the host are distributed to APN1 virtual network card, network requests initiated by APP2 on the host are distributed to APN2 virtual network card, and then extranet is performed through the virtual network card, that is, the APP1 on the host is networked to the extranet through the APN1 virtual network card on the internet of things module, the APP2 on the host is networked to the extranet through the APN2 virtual network card on the internet of things module, therefore, the simultaneous work of multiple APNs is realized, for example, the APN1 virtual network card is connected with the public network, so that the car owner can use WeChat or QQ, the special network of the navigation service is connected through the APN2 virtual network card, so that a car owner can use the navigation service; or the APN1 virtual network card is connected with the private network of the 'infotainment service' and the APN2 virtual network card is connected with the private network of the 'navigation service', so that the car owner can use the infotainment service and the navigation service at the same time. After the internet of things is connected to the Internet, the virtual network card can receive network data returned by a service provider, and after the APP layer of the internet of things module receives the network data, the network data is sent to the host through the SPI interface of the Kernel layer of the internet of things module.
S30: and after receiving the network data, the host feeds the network data back to the corresponding application program.
After the host receives the network data, the host analyzes the network data in an application framework layer, and then feeds the network data back to the corresponding application program, so that the owner can normally use the function of the application program on the host.
The embodiment provides a function for realizing multi-channel APN simultaneous networking applied to a vehicle networking system, which is characterized in that a network request of each application program of an application layer is received in an application framework layer of a host system, then the corresponding APN channel information is matched according to the identification information of the application program, the network request is generated into an APN information packet, the APN information packet is sent to an Internet of things module through an SPI (serial peripheral interface) interface of the bottom layer of the host as an SPI (serial peripheral interface) message, the SPI message is analyzed by the Internet of things module, then the network request is distributed to a corresponding virtual network card according to the APN channel information contained in the SPI message, the network requests of different application programs are distributed to different virtual network cards through the virtual network card, and then the received network data is fed back to the application programs, so that the multi-channel APNs including a public network and a private network on the, the car networking system can provide multiple services including public networks and private networks, and brings more substantial and convenient services for car owners of the car networking.
In the embodiment of the present invention, the sending the APN information packet to the internet of things module through the SPI interface of the bottom layer of the host system in the form of an SPI message includes:
converting the APN information packet into an SPI message;
and communicating with the SPI of the Internet of things module through the SPI at the bottom layer of the host system, and sending the SPI message to the Internet of things module.
In the embodiment of the invention, the APN information packet is firstly converted into the SPI information, and then the SPI information packet is communicated with the SPI Interface of the Internet of things module through the SPI Interface of a bottom layer (Kernel) of a host system, the SPI Interface is called a Serial Peripheral Interface, which means a Serial Peripheral Interface, so that an MCU (microprogrammed control unit) can be communicated with various Peripheral equipment in a Serial mode to exchange information, and the method has the characteristics of few signal lines, simple protocol and high relative data rate, as shown in fig. 3.
Further, in the embodiment of the present invention, the distributing the network request to the corresponding virtual network card according to the APN channel information included in the SPI message, and the extranet through the virtual network card includes:
and distributing the network request to a corresponding virtual network card according to the APN channel information contained in the SPI message, networking to a background server of a corresponding application program through the virtual network card, and sending the network request to the background server.
In this embodiment, the internet of things module distributes the network request to the corresponding virtual network card according to the APN channel information included in the SPI message, and then, the network request is networked to the backend server of the corresponding application program through the virtual network card, and the network request can be sent to the backend server after being networked to the backend server to request to acquire corresponding network data, for example, the network request initiated by the APP1 on the host is distributed to the APN1 virtual network card, the APN1 virtual network card is connected to the backend server of the application program providing the "infotainment service", and the network request is sent to the backend server to request to acquire corresponding infotainment information; the method comprises the steps of distributing a network request initiated by APP2 on a host to an APN2 virtual network card, connecting a background server of an application program providing navigation service through the APN1 virtual network card, sending the network request to the background server, and requesting to acquire corresponding map and navigation information.
Further, in an embodiment of the present invention, after receiving the network data returned by the virtual network card, the method further includes:
counting the network data flow of different virtual network cards within a preset time length;
and matching the flow package of the application program according to the network data flow.
In this embodiment, network data traffic returned by different virtual network cards within a preset time duration can be counted on the internet of things module, so as to determine the amount of network data traffic consumed by different application programs, and then the traffic package of the application programs is matched according to the network data traffic, so that different suppliers can perform traffic settlement conveniently.
Optionally, in an embodiment of the present invention, the internet of things module includes a Telematics Box or a 4G module. The Telematics Box or the 4G module is designed based on Linux, so that the data safety can be guaranteed, and the condition that the vehicle networking system is invaded by hackers to influence the driving safety is avoided.
Further, the host system is an Android system, and the Android system is more than Android 5.1.1.
In another embodiment, as shown in fig. 3, the present invention provides a vehicle networking system, comprising: including host computer 100 and thing networking module 200, still including being used for the MCU power management module for host computer 100 and thing networking module 200 power supply, host computer 100 and thing networking module 200 carry out the communication through the SPI interface, host computer 100 and thing networking module 200 are used for realizing:
an application on the host 100 initiates a network request; receiving the network request through an interface of an application framework layer of the host 100 system, and acquiring identification information of the application program; matching corresponding APN channel information according to the identification information; generating an APN information packet according to the network request and the APN channel information, and sending the APN information packet to an Internet of things module through an SPI (serial peripheral interface) of a bottom layer of a host 100 system in the form of an SPI (serial peripheral interface) message;
the internet of things module 200 receives the SPI message, analyzes the SPI message and acquires APN channel information contained in the SPI message; distributing the network request to a corresponding virtual network card according to APN channel information contained in the SPI message, and externally networking through the virtual network card; receiving the network data returned by the virtual network card, and sending the network data to the host 100 through the SPI interface of the internet of things module 200;
after receiving the network data, the host 100 feeds back the network data to the corresponding application program.
Further, the host system is an Android system, and the Android system is more than Android 5.1.1. The Internet of things module comprises a Telematics Box or 4G module.
The APN information package is sent to an Internet of things module through an SPI interface of a bottom layer of a host system by using an SPI message, and the method comprises the following steps:
converting the APN information packet into an SPI message;
and communicating with the SPI of the Internet of things module through the SPI at the bottom layer of the host system, and sending the SPI message to the Internet of things module.
The distributing the network request to a corresponding virtual network card according to the APN channel information contained in the SPI message, and the extranet through the virtual network card comprises:
and distributing the network request to a corresponding virtual network card according to the APN channel information contained in the SPI message, networking to a background server of a corresponding application program through the virtual network card, and sending the network request to the background server.
After receiving the network data returned by the virtual network card, the method further comprises:
counting the network data flow of different virtual network cards within a preset time length;
and matching the flow package of the application program according to the network data flow.
The vehicle networking system provided by the embodiment of the invention can realize the function of simultaneously networking multiple APNs, receives network requests of application programs of an application layer in an application framework layer of a host system, matches corresponding APN channel information according to identification information of the application programs, generates APN information packets from the network requests, sends the APN information packets to an Internet of things module through an SPI (serial peripheral interface) of a host bottom layer in the form of SPI (serial peripheral interface) messages, analyzes the SPI messages by the Internet of things module, distributes the network requests to corresponding virtual network cards according to the APN channel information contained in the SPI messages, distributes the network requests of different application programs to different virtual network cards through the virtual network cards to the external networking, and feeds back received network data to the application programs, thereby realizing the simultaneous work of the multiple APNs including a public network and a private network on the vehicle networking, the car networking system can provide multiple services including public networks and private networks, and brings more substantial and convenient services for car owners of the car networking.
In another embodiment, the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the multiple APN networking method applied to the car networking system described in the above embodiments. The computer-readable storage medium includes, but is not limited to, any type of disk including floppy disks, hard disks, optical disks, CD-ROMs, and magneto-optical disks, ROMs (Read-Only memories), RAMs (Random AcceSS memories), EPROMs (EraSable Programmable Read-Only memories), EEPROMs (Electrically EraSable Programmable Read-Only memories), flash memories, magnetic cards, or optical cards. That is, a storage device includes any medium that stores or transmits information in a form readable by a device (e.g., a computer, a cellular phone), and may be a read-only memory, a magnetic or optical disk, or the like.
The computer-readable storage medium provided by the embodiment of the invention can realize that an application program on a host computer initiates a network request; receiving the network request through an interface of an application framework layer of a host system, and acquiring identification information of the application program; matching corresponding APN channel information according to the identification information; generating an APN information packet according to the network request and the APN channel information, and sending the APN information packet to an Internet of things module through an SPI (serial peripheral interface) of a bottom layer of a host system in the form of an SPI (serial peripheral interface) message; the Internet of things module receives the SPI message and analyzes the SPI message to acquire APN channel information contained in the SPI message; distributing the network request to a corresponding virtual network card according to APN channel information contained in the SPI message, and externally networking through the virtual network card; receiving network data returned by the virtual network card, and sending the network data to a host through an SPI (serial peripheral interface) of an Internet of things module; and after receiving the network data, the host feeds the network data back to the corresponding application program. The embodiment provides a function for realizing multi-channel APN simultaneous networking applied to a vehicle networking system, which is characterized in that a network request of each application program of an application layer is received in an application framework layer of a host system, then the corresponding APN channel information is matched according to the identification information of the application program, the network request is generated into an APN information packet, the APN information packet is sent to an Internet of things module through an SPI (serial peripheral interface) interface of the bottom layer of the host as an SPI (serial peripheral interface) message, the SPI message is analyzed by the Internet of things module, then the network request is distributed to a corresponding virtual network card according to the APN channel information contained in the SPI message, the network requests of different application programs are distributed to different virtual network cards through the virtual network card, and then the received network data is fed back to the application programs, so that the multi-channel APNs including a public network and a private network on the, the car networking system can provide multiple services including public networks and private networks, and brings more substantial and convenient services for car owners of the car networking.
The computer-readable storage medium provided in the embodiment of the present invention can implement the foregoing embodiment of the multi-path APN networking method applied in the car networking system, and for specific function implementation, reference is made to the description in the method embodiment, which is not described herein again.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A multipath APN networking method applied to a vehicle networking system, wherein the vehicle networking system comprises a host and an Internet of things module, and is characterized by comprising the following steps:
an application program on a host computer initiates a network request; receiving the network request through an interface of an application framework layer of a host system, and acquiring identification information of the application program; matching corresponding APN channel information according to the identification information; generating an APN information packet according to the network request and the APN channel information, and sending the APN information packet to an Internet of things module through an SPI interface of a bottom layer of a host system by using an SPI message, wherein the APN information packet comprises the following steps:
converting the APN information packet into an SPI message;
communicating with an SPI (serial peripheral interface) of an Internet of things module through an SPI (serial peripheral interface) of a bottom layer of a host system, and sending the SPI message to the Internet of things module;
the Internet of things module receives the SPI message and analyzes the SPI message to acquire APN channel information contained in the SPI message; distributing the network request to a corresponding virtual network card according to APN channel information contained in the SPI message, and externally networking through the virtual network card; receiving network data returned by the virtual network card, and sending the network data to a host through an SPI (serial peripheral interface) of an Internet of things module;
and after receiving the network data, the host feeds the network data back to the corresponding application program.
2. The method according to claim 1, wherein the distributing the network request to a corresponding virtual network card according to APN channel information contained in the SPI message, and the extranet through the virtual network card comprises:
and distributing the network request to a corresponding virtual network card according to the APN channel information contained in the SPI message, networking to a background server of a corresponding application program through the virtual network card, and sending the network request to the background server.
3. The method according to claim 1, wherein after receiving the network data returned by the virtual network card, the method further comprises:
counting the network data flow of different virtual network cards within a preset time length;
and matching the flow package of the application program according to the network data flow.
4. The method of claim 1, wherein the internet of things module comprises a Telematics Box or 4G module.
5. The method according to claim 1, wherein the host system is an Android system, and the Android system is more than 5.1.1 Android.
6. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the method for networking multiple APNs in a car networking system according to any one of claims 1 to 5 is implemented.
7. A vehicle networking system is characterized by comprising a host and an Internet of things module, wherein the host and the Internet of things module are used for executing the multi-channel APN networking method applied to the vehicle networking system in any one of claims 1 to 5.
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| CN109510833A (en) * | 2018-11-29 | 2019-03-22 | 北京车联天下信息技术有限公司 | A kind of communication means and device based on a plurality of APN link |
| CN109327885A (en) * | 2018-12-25 | 2019-02-12 | ***通信集团江苏有限公司 | It is a kind of to realize virtual more APN cut-in methods, device and equipment |
| CN110830481A (en) * | 2019-11-13 | 2020-02-21 | 深圳市华宝电子科技有限公司 | Vehicle-mounted equipment internet surfing method and device, server and storage medium |
| CN112996137A (en) * | 2019-12-17 | 2021-06-18 | 成都鼎桥通信技术有限公司 | Method for establishing data connection on multi-operation system terminal |
| CN112333673A (en) * | 2020-10-12 | 2021-02-05 | 联通智网科技有限公司 | Access point channel establishing method and device, configuration server and terminal equipment |
| CN114257568A (en) * | 2021-12-09 | 2022-03-29 | 深圳市广和通无线股份有限公司 | Data transmission method and related equipment |
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