CN114666395B - Dual-system network sharing method and device - Google Patents
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H04L45/00—Routing or path finding of packets in data switching networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The application discloses a method and a device for sharing a dual-system network, which are used for solving the problem of how to enable two systems in dual-system terminal equipment to share the network communication capability of a network communication module. The method comprises the steps of receiving a network request sent by any subsystem of a first subsystem and a second subsystem aiming at a target network; transmitting a connection request to a target network based on the network request; receiving a network response sent by a target network; based on the network reply, main system network information for the main system is established, and first virtual network information for the first subsystem and second virtual network information for the second subsystem are established. The virtual network information corresponding to the first subsystem and the second subsystem is communicated with the main system, so that the two systems can simultaneously use the same network to establish a data network, and can also use different networks to establish different data networks. The sharing of the network capacity of the double systems is satisfied, and the isolation of the network data of the double systems is ensured.
Description
Technical Field
The present invention relates to the field of terminal technologies, and in particular, to a method and an apparatus for dual-system network sharing.
Background
Along with the popularization of terminal equipment, many industry markets have high requirements on the safety and control of the terminal equipment, and the information safety and the use convenience are considered at the same time, so that life and work are not wrong. Dual system terminal devices become the primary solution to address the needs of the industry.
The terminal device has only one communication module, so in the related art, the dual-system terminal device only allows the foreground system to use network communication, and the background system cannot use network communication. To solve this problem, the dual system terminal device relies on the characteristics supported by multiple PDNs (Packet Data Network, packet data networks) of the communication access network, each system uses a separate PDN connection, so that when two systems use different PDN connections, the foreground and background systems can use network communication simultaneously; when the access network does not support multiple PDNs, only one system is supported to use network communication, and the foreground and background systems cannot use network communication at the same time. Therefore, on the premise of ensuring data isolation of the two systems, how to make the two systems in the two-system terminal equipment share the network communication capability of the network communication module becomes a critical problem.
Disclosure of Invention
The purpose of the present application is to provide a method and apparatus for dual-system network sharing, which are used for solving the problem of how to make two systems in dual-system terminal equipment share the network communication capability of a network communication module.
In a first aspect, the present application provides a method for network sharing of a dual system, where the dual system includes a first subsystem and a second subsystem, where the first subsystem and the second subsystem operate in a main system, and the method is applied to the main system, and includes:
receiving a network request sent by any one subsystem of the first subsystem and the second subsystem aiming at a target network;
transmitting a connection request to the target network based on the network request;
receiving a network response sent by the target network for the connection request;
based on the network response, establishing main system network information for the main system, and establishing first virtual network information for the first subsystem and second virtual network information for the second subsystem; the main system network information comprises a communication network port aiming at the target network and a main system routing policy, the first virtual network information comprises a first virtual network port aiming at the target network and a first routing policy, and the second virtual network information comprises a second virtual network port aiming at the target network and a second routing policy; the first routing strategy is used for sending communication data aiming at the target network to the first virtual network port, the second routing strategy is used for sending communication data aiming at the target network to the second virtual network port, the main system routing strategy comprises a first network pair route and a second network pair route, the first network pair route is used for processing communication data received from the first virtual network port by the communication network port, and the second network pair route is used for processing communication data received from the second virtual network port by the communication network port.
In a possible implementation manner, the establishing the first virtual network information for the first subsystem and the second virtual network information for the second subsystem includes:
in the starting-up process, registering a monitor for a first event in advance; the first event is used for indicating that the establishment of the network information of the main system is completed;
and if the monitor monitors the first event reported by the bottom drive, executing the step of establishing the network information of the main system based on the network response.
In one possible embodiment, the method further comprises:
acquiring a system identifier of the network response based on the network response;
if the system identifier of the network response comprises the system identifier of the first subsystem, the network response is sent to the first subsystem;
and if the system identifier of the network response comprises the system identifier of the second subsystem, the network response is sent to the second subsystem.
In a possible implementation manner, the first virtual network port for the target network includes a first virtual sub-network port of the first subsystem and a first virtual sub-network port of the main system, where the first virtual sub-network port of the first subsystem exists in the first subsystem; the first virtual sub-network port of the main system exists in the main system, the first virtual sub-network port of the first sub-system is configured with a first Internet Protocol (IP) address of the target network, and the first virtual sub-network port of the main system is configured with a second IP address of the target network;
The second virtual network port aiming at the target network comprises a second virtual sub-network port of the second subsystem and a second virtual sub-network port of the main system, wherein the second virtual sub-network port of the second subsystem exists in the second subsystem; the second virtual sub-network port of the main system exists in the main system, the second virtual sub-network port of the second sub-system is configured with a third IP address of the target network, and the second virtual sub-network port of the main system is configured with a fourth IP address of the target network.
In one possible implementation, after establishing the primary system network information for the primary system and establishing the first virtual network information for the first subsystem and the second virtual network information for the second subsystem based on the network reply, the method further includes:
receiving communication data sent by a first virtual sub-network port of the first subsystem based on the first virtual sub-network port of the main system, wherein the IP address of the communication data is a first IP address of the first virtual sub-network port of the main system; after replacing the IP address of the communication data with the IP address of the communication network port, sending the communication data to the target network through the communication network port;
Receiving communication data sent by a second virtual sub-network port of the second subsystem based on the second virtual sub-network port of the main system, wherein the IP address of the communication data is a fourth IP address of the second virtual sub-network port of the main system; and after the IP address of the communication network port is adopted to replace the IP address of the communication data, the communication data is sent to the target network through the communication network port.
In a second aspect, the present application provides a method for network sharing of a dual system, where the dual system includes a first subsystem and a second subsystem, where the first subsystem and the second subsystem operate in a main system, and the method is applied to any one of the first subsystem and the second subsystem, and includes:
sending a network request to a host system for a target network to enable the host system to perform the following operations: receiving a network response sent by the target network, establishing main system network information for the main system based on the network response, and establishing first virtual network information for the first subsystem and second virtual network information for the second subsystem; the main system network information comprises a communication network port aiming at the target network and a main system routing policy, the first virtual network information comprises a first virtual network port aiming at the target network and a first routing policy, and the second virtual network information comprises a second virtual network port aiming at the target network and a second routing policy; the first routing strategy is used for sending communication data aiming at the target network to the first virtual network port, the second routing strategy is used for sending communication data aiming at the target network to the second virtual network port, the main system routing strategy comprises a first network pair route and a second network pair route, the first network pair route is used for processing communication data received from the first virtual network port by the communication network port, and the second network pair route is used for processing communication data received from the second virtual network port by the communication network port;
And receiving the network response sent by the main system.
In one possible embodiment, the method further comprises:
determining whether the state of a virtual network port of the subsystem is in a closed state;
and if the virtual network port is in the closed state, sending a communication instruction to the virtual network port of the subsystem so as to enable the virtual network port of the subsystem to be converted into the communication state from the closed state.
In a third aspect, the present application provides a terminal device, including:
a display, a processor, and a memory;
the display is used for displaying a screen display area;
the memory is configured to store the processor-executable instructions;
the processor is configured to execute the instructions to implement the method of dual system network sharing as described in any one of the first and second aspects above.
In a fourth aspect, the present application provides a computer readable storage medium, which when executed by a terminal device, causes the terminal device to perform the method of dual system network sharing as in any of the first and second aspects above.
In a fifth aspect, the present application provides a computer program product comprising a computer program:
The computer program, when executed by a processor, implements a method of dual system network sharing as described in any one of the first and second aspects above.
The technical scheme provided by the embodiment of the application at least brings the following beneficial effects:
the dual system in the embodiment of the application comprises a first subsystem and a second subsystem, wherein the first subsystem and the second subsystem are operated in a main system and are applied to the main system, and network requests sent by any one subsystem of the first subsystem and the second subsystem for a target network are received; transmitting a connection request to a target network based on the network request; receiving a network response sent by a target network aiming at the connection request; based on the network reply, main system network information for the main system is established, and first virtual network information for the first subsystem and second virtual network information for the second subsystem are established. Therefore, virtual network information is respectively established for the first subsystem II and the second subsystem, and the two systems can simultaneously establish a data network by using the same target network or establish different data networks by using different target networks through corresponding virtual network information and network information of the main system. The network sharing capability can be provided under the condition that only a single PDN is supported, and meanwhile, the data isolation is ensured.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, and it is obvious that the drawings that are described below are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a terminal device provided in an embodiment of the present application;
fig. 2 is a software structural block diagram of a terminal device provided in an embodiment of the present application;
fig. 3 is another software structural block diagram of a terminal device provided in an embodiment of the present application;
fig. 4 is a timing diagram of a single system terminal device establishing a network data connection;
FIG. 5 is a schematic diagram of a network data structure of a single system terminal device;
FIG. 6 is a flow chart of a method for dual system network sharing according to an embodiment of the present disclosure;
fig. 7 is a schematic diagram of a network structure of a dual system using the same target network according to an embodiment of the present application;
fig. 8 is a schematic diagram of a network structure of a dual system using different target networks according to an embodiment of the present application;
fig. 9 is a timing diagram of establishing network data connection by using a dual-system terminal device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Wherein the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Also, in the description of the embodiments of the present application, "/" means or, unless otherwise indicated, for example, a/B may represent a or B; the text "and/or" is merely an association relation describing the associated object, and indicates that three relations may exist, for example, a and/or B may indicate: the three cases where a exists alone, a and B exist together, and B exists alone, and in addition, in the description of the embodiments of the present application, "plural" means two or more than two.
The terms "first," "second," and the like, are used below for descriptive purposes only and are not to be construed as implying or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or the like may explicitly or implicitly include one or more such feature, and in the description of embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
Hereinafter, the foreground system is a system of terminal devices that the user is currently using; the background system is a system of terminal equipment which cannot be directly used by a user at present.
Along with the popularization of terminal equipment, many industry markets have high requirements on the safety and control of the terminal equipment, and the information safety and the use convenience are considered at the same time, so that life and work are not wrong. Dual system terminal devices become the primary solution to address the needs of the industry.
The terminal device has only one communication module, so in the related art, the dual-system terminal device only allows the foreground system to use network communication, and the background system cannot use network communication. To solve this problem, the dual system terminal device relies on the characteristics supported by multiple PDNs (Packet Data Network, packet data networks) of the communication access network, each system uses a separate PDN connection, so that when two systems use different PDN connections, the foreground and background systems can use network communication simultaneously; when the access network does not support multiple PDNs, only one system is supported to use network communication, and the foreground and background systems cannot use network communication at the same time. Therefore, on the premise of ensuring data isolation of the two systems, how to make the two systems in the two-system terminal equipment share the network communication capability of the network communication module becomes a critical problem.
In view of this, the present application provides a method and apparatus for dual-system network sharing, which are used to solve the problem that two systems in a dual-system terminal device cannot share wireless communication capability.
The inventive concepts of the present application can be summarized as follows: in the embodiment of the application, virtual network information is respectively established for the first subsystem and the second subsystem, and the two systems can simultaneously establish a data network by using the same target network or establish different data networks by using different target networks through communication between the corresponding virtual network information and the network information of the main system. The network sharing capability can be provided under the condition that only a single PDN is supported, and meanwhile, the data isolation is ensured.
After the inventive concept of the present application is introduced, a description of the terminal device provided in the present application is first provided below.
Fig. 1 shows a schematic structure of a terminal device 100. It should be understood that the terminal device 100 shown in fig. 1 is only one example, and that the terminal device 100 may have more or fewer components than shown in fig. 1, may combine two or more components, or may have a different configuration of components. The various components shown in the figures may be implemented in hardware, software, or a combination of hardware and software, including one or more signal processing and/or application specific integrated circuits.
A hardware configuration block diagram of the terminal device 100 in accordance with an exemplary embodiment is exemplarily shown in fig. 1. As shown in fig. 1, the terminal device 100 includes: radio Frequency (RF) circuitry 110, memory 120, display unit 130, camera 140, sensor 150, audio circuitry 160, wireless fidelity (Wireless Fidelity, wi-Fi) module 170, processor 180, bluetooth module 181, and power supply 190.
The RF circuit 110 may be used for receiving and transmitting signals during the process of receiving and transmitting information or communication, and may receive downlink data of the base station and then transmit the downlink data to the processor 180 for processing; uplink data may be sent to the base station. Typically, RF circuitry includes, but is not limited to, antennas, at least one amplifier, transceivers, couplers, low noise amplifiers, diplexers, and the like.
Memory 120 may be used to store software programs and data. The processor 180 performs various functions of the terminal device 100 and data processing by running software programs or data stored in the memory 120. Memory 120 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device. The memory 120 stores an operating system that enables the terminal device 100 to operate. The memory 120 in the present application may store an operating system and various application programs, and may also store program codes for executing the method of dual system network sharing according to the embodiments of the present application.
The display unit 130 may be used to receive input digital or character information, generate signal inputs related to user settings and function control of the terminal device 100, and in particular, the display unit 130 may include a touch screen 131 provided at the front surface of the terminal device 100, and may collect touch operations on or near the user, such as clicking a button.
The display unit 130 may also be used to display information input by a user or information provided to the user and a graphical user interface (graphical user interface, GUI) of various menus of the terminal device 100. Specifically, the display unit 130 may include a display 132 provided on the front surface of the terminal device 100. The display 132 may be configured in the form of a liquid crystal display, light emitting diodes, or the like. The display unit 130 may be used to display a screen display area of the terminal device in the present application.
The touch screen 131 may cover the display screen 132, or the touch screen 131 and the display screen 132 may be integrated to implement the input and output functions of the terminal device 100, and after integration, the touch screen may be simply referred to as a touch display screen. The display unit 130 may display an application program and corresponding operation steps.
The camera 140 may be used to capture still images or video. The object generates an optical image through the lens and projects the optical image onto the photosensitive element. The photosensitive element may be a charge coupled device (charge coupled device, CCD) or a Complementary Metal Oxide Semiconductor (CMOS) phototransistor. The photosensitive element converts the optical signal into an electrical signal, which is then transferred to the processor 180 for conversion into a digital image signal.
The terminal device 100 may further comprise at least one sensor 150, such as an acceleration sensor 151, a distance sensor 152, a fingerprint sensor 153, a temperature sensor 154. The terminal device 100 may also be configured with other sensors such as gyroscopes, barometers, hygrometers, thermometers, infrared sensors, light sensors, motion sensors, and the like.
Audio circuitry 160, speaker 161, microphone 162 may provide an audio interface between the user and terminal device 100. The audio circuit 160 may transmit the received electrical signal converted from audio data to the speaker 161, and the speaker 161 converts the electrical signal into a sound signal and outputs the sound signal. The terminal device 100 may also be provided with a volume button for adjusting the volume of the sound signal, and may also be used for combining other buttons to adjust the enclosed area. On the other hand, the microphone 162 converts the collected sound signal into an electrical signal, which is received by the audio circuit 160 and converted into audio data, which is output to the RF circuit 110 for transmission to, for example, another terminal device, or to the memory 120 for further processing.
Wi-Fi belongs to a short-range wireless transmission technology, and the terminal device 100 can help a user to send and receive e-mail, browse web pages, access streaming media and the like through the Wi-Fi module 170, so that wireless broadband internet access is provided for the user.
The processor 180 is a control center of the terminal device 100, connects various parts of the entire terminal device using various interfaces and lines, and performs various functions of the terminal device 100 and processes data by running or executing software programs stored in the memory 120, and calling data stored in the memory 120. In some embodiments, the processor 180 may include one or more processing units; the processor 180 may also integrate an application processor that primarily handles operating systems, user interfaces, applications, etc., and a baseband processor that primarily handles wireless communications. It will be appreciated that the baseband processor described above may not be integrated into the processor 180. The processor 180 may run an operating system, an application program, a user interface display, a touch response, and a method for dual system network sharing according to the embodiments of the present application. In addition, the processor 180 is coupled with the display unit 130.
The bluetooth module 181 is configured to perform information interaction with other bluetooth devices having a bluetooth module through a bluetooth protocol. For example, the terminal device 100 may establish a bluetooth connection with a wearable electronic device (e.g., a smart watch) also provided with a bluetooth module through the bluetooth module 181, thereby performing data interaction.
The terminal device 100 also includes a power supply 190 (e.g., a battery) that provides power to the various components. The power supply may be logically connected to the processor 180 through a power management system, so that functions of managing charge, discharge, power consumption, etc. are implemented through the power management system. The terminal device 100 may also be configured with a power button for powering on and off the terminal device, and for locking the screen.
Fig. 2 is a software configuration block diagram of a terminal device 100 according to an embodiment of the present application.
The layered architecture divides the software into several layers, each with distinct roles and branches. The layers communicate with each other through a software interface. In some embodiments, the Android system may be divided into four layers, from top to bottom, an application layer, an application framework layer, an Zhuoyun row (Android run) and system libraries, and a kernel layer, respectively. The first subsystem and the second subsystem respectively use an application program layer and an application program framework layer, and the first subsystem and the second subsystem commonly use a system library and a kernel layer.
The application layer may include a series of application packages.
As shown in fig. 2, the application package may include applications such as phone, multimedia message, wiFi, weChat, information, alarm clock, gallery, calendar, WLAN, etc.
The application framework layer provides an application programming interface (application programming interface, API) and programming framework for application programs of the application layer. The application framework layer includes a number of predefined functions.
As shown in FIG. 2, the application framework layer may include a window manager, a content provider, a view system, a telephony manager, a resource manager, a notification manager, and the like.
The window manager is used for managing window programs. The window manager can acquire the size of the display screen, judge whether a status bar exists, lock the screen, intercept the screen and the like.
The content provider is used to store and retrieve data and make such data accessible to applications. The data may include video, images, audio, telephone calls made and received, browsing history and bookmarks, phonebooks, short messages, etc.
The view system includes visual controls, such as controls to display text, controls to display pictures, and the like. The view system may be used to build applications. The display interface may be composed of one or more views. For example, a display interface including a short message notification icon may include a view displaying text and a view displaying a picture.
The telephony manager is used to provide the communication functions of the terminal device 100. Such as the management of call status (including on, hung-up, etc.).
The resource manager provides various resources for the application program, such as localization strings, icons, pictures, layout files, video files, and the like.
The notification manager allows the application to display notification information (e.g., the message content of a short message) in a status bar, can be used to communicate notification type messages, can automatically disappear after a short dwell, and does not require user interaction. Such as notification manager is used to inform that the download is complete, message alerts, etc. The notification manager may also be a notification in the form of a chart or scroll bar text that appears on the system top status bar, such as a notification of a background running application, or a notification that appears on the screen in the form of a dialog window. For example, a text message is prompted in a status bar, a prompt tone is emitted, the terminal equipment vibrates, and an indicator light blinks.
Android run time includes a core library and virtual machines. Android run time is responsible for scheduling and management of the Android system.
The core library consists of two parts: one part is a function which needs to be called by java language, and the other part is a core library of android.
The application layer and the application framework layer run in a virtual machine. The virtual machine executes java files of the application program layer and the application program framework layer as binary files. The virtual machine is used for executing the functions of object life cycle management, stack management, thread management, security and exception management, garbage collection and the like.
The system library may include a plurality of functional modules. For example: a surface manager (surface manager), a Media library (Media Libraries), a three-dimensional graphics processing library (e.g., openGL ES), a 2D graphics engine (e.g., SGL), etc., and a system library further includes a sharing service provided by the embodiments of the present application, where the first subsystem and the second subsystem use the sharing service in the system library together.
The surface manager is used to manage the display subsystem and provides a fusion of 2D and 3D layers for multiple applications.
Media libraries support a variety of commonly used audio, video format playback and recording, still image files, and the like. The media library may support a variety of audio and video encoding formats, such as MPEG4, h.264, MP3, AAC, AMR, JPG, PNG, etc.
The three-dimensional graphic processing library is used for realizing three-dimensional graphic drawing, image rendering, synthesis, layer processing and the like.
A 2D (one way of animation) graphics engine is a drawing engine for 2D drawing.
The kernel layer is a layer between hardware and software. The inner core layer at least comprises a display driver, a camera driver, an audio driver, a sensor driver and a bottom layer driver.
Fig. 3 is a block diagram of another software structure of a terminal device according to an embodiment of the present application.
As shown in fig. 3, the first subsystem and the second subsystem are two independent systems, which are not visible from each other. The first subsystem and the second subsystem are user interfaces for use by a user. Both unique services such as PKMS (package manager service), PMS (powermanager service), AMS (activity manager service), and the like are each run in a system library within the respective system and are independent of each other. While some services involving hardware require synchronization and scheduling by the host system, the first subsystem and the second subsystem share services of the host system.
The main system, the first subsystem and the second subsystem share the same kernel layer, the wireless interface daemon exists only in the shared service of the main system, and the shared service is in the system library layer of the main system. The network daemon is arranged in the main system, the first subsystem and the second subsystem, the network daemon under the main system manages real network and is responsible for virtualizing the corresponding network and handing over to the first subsystem and the second subsystem. The network daemon of the first subsystem and the second subsystem manages the network that the host system virtualizes.
The terminal 100 in the embodiments of the present application may be an electronic device including, but not limited to, a smart phone, a tablet computer, a wearable electronic device (e.g., a smart watch), a notebook computer, and the like.
In order to facilitate understanding of the method for dual-system network sharing provided in the embodiments of the present application, the following is further described with reference to the accompanying drawings. The dual-system network sharing method provided by the embodiment of the application is suitable for network communication modes such as mobile data network communication, WIFI network communication, multimedia message communication and the like.
Referring to fig. 4, a timing diagram of network data connection setup for a single system terminal device is shown. In order to facilitate understanding of the method for sharing a dual-system network provided in the embodiments of the present application, a flow for establishing a network data connection by a single-system terminal device will be described with reference to fig. 4.
In step E1, the application of the application layer sends a network request to the connection service of the system.
In step E2, the connection service receives the network request and sends it to the network factory providing the data service.
In step E3, the network factory sends the received network request to the connection trace.
In step E4, connection tracking sends a network request to the wireless interface of the host system.
In step E5, the wireless interface transmits a connection request to establish a data connection to the target network based on the network request, and returns a network response to the connection request to the connection trace.
The connection request is a request for applying IP (Internet Protocol Address ) configuration and radio resources to the target network through an APN (access point) provided by the operator.
In step E6, the connection trace configures connection attributes and reports the connection attributes to the network factory that provides the data service, which reports the connection attributes to the connection service.
The connection attribute is parameters such as an IP address, a gateway, a DNS server (Domain Name Server, a domain name server), an MTU (Maximum Transmission Unit, a maximum transmission unit), and the like.
In step E7, the connection service invokes a network management service according to the connection attribute, which invokes the network daemon to configure the network and routing information.
After the steps shown in fig. 4, as shown in fig. 5, the single-system terminal device is provided for the user to use different networks, each network has a corresponding ID and network object, and corresponds to different IP configurations, routes, network ports, etc., and the user can obtain and use the corresponding network through the connection service. The single system terminal equipment has only one system, so the connection service and the network daemon in fig. 5 are both in the system library layer of the system, the kernel layer of the system is provided with network ports and routing tables corresponding to various networks, and the kernel layer is configured with strategy routing, and the routing tables and the corresponding network ports can be selected according to the strategy routing, so that a user can acquire and use the correct network through the connection service.
After knowing the flow of establishing the network data connection by the single-system terminal device, the flow of the method for dual-system network sharing provided in the embodiment of the present application is further described with reference to fig. 6. As shown in fig. 6, the dual system includes a first subsystem and a second subsystem, the first subsystem and the second subsystem operate in a main system, and the method is applied to the main system, and includes the steps of:
in step 601, a network request sent by either one of the first subsystem and the second subsystem for a target network is received.
In step 602, a connection request is sent to a target network based on the network request.
In step 603, a network response sent by the target network for the connection request is received.
In step 604, based on the network reply, master system network information for the master system is established, and first virtual network information for the first subsystem and second virtual network information for the second subsystem are established.
The system comprises a main system network information, a target network and a second virtual network, wherein the main system network information comprises a communication network port aiming at the target network and a main system routing strategy, the first virtual network information comprises a first virtual network port aiming at the target network and a first routing strategy, and the second virtual network information comprises a second virtual network port aiming at the target network and a second routing strategy; the first routing strategy is used for sending the communication data aiming at the target network to the first virtual network port, the second routing strategy is used for sending the communication data aiming at the target network to the second virtual network port, the main system routing strategy comprises a first network pair route and a second network pair route, the first network pair route is used for processing the communication data received from the first virtual network port by the communication network port, and the second network pair route is used for processing the communication data received from the second virtual network port by the communication network port.
In a possible implementation manner, the first virtual port for the target network in the embodiment of the present application includes a first virtual sub-port of the first subsystem and a first virtual sub-port of the main system, where the first virtual sub-port of the first subsystem exists in the first subsystem; the method comprises the steps that a first virtual sub-network port of a main system exists in the main system, wherein the first virtual sub-network port of the first sub-system is configured with a first Internet Protocol (IP) address of a target network, and the first virtual sub-network port of the main system is configured with a second IP address of the target network;
the second virtual network port aiming at the target network comprises a second virtual sub-network port of a second subsystem and a second virtual sub-network port of the main system, wherein the second virtual sub-network port of the second subsystem exists in the second subsystem; the second virtual sub-network port of the main system exists in the main system, the second virtual sub-network port of the second sub-system is configured with a third IP address of the target network, and the second virtual sub-network port of the main system is configured with a fourth IP address of the target network.
For example, if two systems use the same APN to initiate dialing, i.e. the two systems use the same target network, based on the network response, the established network structure diagram is shown in fig. 7, and if two systems use different APNs to initiate dialing, the two systems use different target networks, the network structure diagram is shown in fig. 8.
As shown in fig. 7, when the first subsystem and the second subsystem send network requests for the same target network, a communication network port of one main system for the target network is established based on the network response, and a first virtual network port for the first subsystem and a second virtual network port for the second subsystem are established. As shown in fig. 8, when the first subsystem and the second subsystem send network requests for different target networks, based on network responses, communication ports for the target networks of two different main systems are established, and a first virtual port for the first subsystem and a second virtual port for the second subsystem are established.
The first virtual network port for the first subsystem comprises a first virtual sub-network port of the first subsystem and a first virtual sub-network port of the main system, wherein the first virtual sub-network port of the first subsystem exists in the first subsystem; the first virtual sub-network port of the main system exists in the main system, the first virtual sub-network port of the first sub-system is configured with a first Internet Protocol (IP) address of the target network, and the first virtual sub-network port of the main system is configured with a second IP address of the target network. The second virtual network port used for the second subsystem comprises a second virtual sub-network port of the second subsystem and a second virtual sub-network port of the main system, and the second virtual sub-network port of the second subsystem exists in the second subsystem; the second virtual sub-network port of the main system exists in the main system, the second virtual sub-network port of the second sub-system is configured with a third IP address of the target network, and the second virtual sub-network port of the main system is configured with a fourth IP address of the target network.
And the first virtual sub-network port of the first subsystem is connected with the first virtual sub-network port of the main system, the second virtual sub-network port of the second subsystem is connected with the second virtual sub-network port of the main system through a Veth pair of virtual device interfaces. When the first virtual sub-network port of the first subsystem sends communication data to the main system, the communication data can be sent to the first virtual sub-network port of the main system through the Veth pair, the first IP address of the first virtual sub-network port of the first subsystem and the second IP address of the first virtual sub-network port of the main system; when the second virtual sub-network port of the second subsystem sends communication data to the main system, the communication data can be sent to the second virtual sub-network port of the main system through the Veth pair, the third IP address of the second virtual sub-network port of the second subsystem and the fourth IP address of the second virtual sub-network port of the main system.
Therefore, different IP addresses can be configured for the virtual sub-network ports, the virtual sub-network ports corresponding to the subsystem and the main system are connected by using the Veth pair, communication data are prevented from being transmitted to the wrong virtual network port, the error rate of the transmitted communication data is reduced, and the transmission efficiency of the communication data is improved.
In one possible implementation manner, after the network response is based on the network response, the network information of the main system is established, and the first virtual network information of the first subsystem and the second virtual network information of the second subsystem are established, the IP addresses of the first virtual subnet mouth of the main system, the second virtual subnet mouth of the main system and the communication network mouth are different, so that the first virtual subnet mouth of the main system and the second virtual subnet mouth of the main system are used for transmitting the communication data to the hardware device through the communication network mouth of the main system, in this embodiment, the communication data sent by the first virtual subnet mouth of the first subsystem can be received based on the first virtual subnet mouth of the main system, and the IP address of the communication data is the first IP address of the first virtual subnet mouth of the main system; after replacing the IP address of the communication data with the IP address of the communication network port, sending the communication data to a target network through the communication network port; receiving communication data sent by a second virtual sub-network port of a second sub-system based on the second virtual sub-network port of the main system, wherein the IP address of the communication data is a fourth IP address of the second virtual sub-network port of the main system; and after the IP address of the communication network port is adopted to replace the IP address of the communication data, the communication data is sent to the target network through the communication network port.
Illustratively, as shown in fig. 7 and 8, the first virtual subinterface and the second virtual subinterface of the host system are IP address translated with the communication network of the host system using NAT (Network Address Trans lation ).
Therefore, the first IP address of the first virtual sub-interface of the main system can be converted into the IP address of the communication network port of the main system, and the fourth IP address of the second virtual sub-interface of the main system can be converted into the IP address of the communication network port of the main system, so that communication data of the first subsystem and the second subsystem can be conveniently sent to the hardware equipment through the main system.
In one possible implementation manner, before the first virtual network information for the first subsystem and the second virtual network information for the second subsystem are established, in order to ensure that the main system network information for the main system is already established in the main system, in this embodiment of the present application, a listener for the first event may be registered in advance in a power-on process; the first event is used for indicating that the network information of the main system is established; and if the monitor monitors the first event reported by the bottom layer driver, executing a step of establishing the network information of the main system for the main system based on the network response.
Thus, the network information of the main system for the main system can be established in the main system, the main system can receive the network data sent by the subsystem, and the network data can be sent through the established communication network port for the main system.
In a possible implementation manner, after receiving a network response sent by a target network for a connection request in the embodiment of the present application, in order to identify whether the network response is a network response of a first subsystem or a network response of a second subsystem, in the embodiment of the present application, a system identifier of the network response may be obtained based on the network response; if the system identifier of the network response comprises the system identifier of the first subsystem, the network response is sent to the first subsystem; and if the system identifier of the network response comprises the system identifier of the second subsystem, sending the network response to the second subsystem. Thus, it is ensured that the network response is correctly sent to the first subsystem or the second subsystem that sent the network request.
In a possible implementation manner, the embodiment of the present application further provides a method for sharing a dual-system network, where the dual-system includes a first subsystem and a second subsystem, the first subsystem and the second subsystem operate in a main system, and the method is applied to any one of the first subsystem and the second subsystem, and specifically includes: sending a network request to the host system for the target network to cause the host system to: receiving a network response sent by a target network, establishing main system network information for a main system based on the network response, and establishing first virtual network information for a first subsystem and second virtual network information for a second subsystem; the method comprises the steps that the main system network information comprises a communication network port aiming at a target network and a main system routing strategy, the first virtual network information comprises a first virtual network port aiming at the target network and a first routing strategy, and the second virtual network information comprises a second virtual network port aiming at the target network and a second routing strategy; the first routing strategy is used for sending the communication data aiming at the target network to the first virtual network port, the second routing strategy is used for sending the communication data aiming at the target network to the second virtual network port, the main system routing strategy comprises a first network pair route and a second network pair route, the first network pair route is used for processing the communication data received from the first virtual network port by the communication network port, and the second network pair route is used for processing the communication data received from the second virtual network port by the communication network port; and receiving a network response sent by the main system.
In one possible implementation manner, when performing actual network communication after establishing main system network information for a main system and establishing first virtual network information for a first subsystem and second virtual network information for a second subsystem based on a network response, in order to ensure smooth transmission of communication data, in this embodiment of the present application, it is first required to determine whether a state of a virtual network port of a subsystem that transmits the communication data is in a closed state; and if the virtual network port is in the closed state, sending a communication instruction to the virtual network port of the subsystem so as to enable the virtual network port of the subsystem to be converted into the communication state from the closed state. If the communication data is not in the closed state, the communication data can be directly sent from the virtual network port of the subsystem to the virtual network port of the main system.
Therefore, virtual network information is respectively established for the first subsystem II and the second subsystem, and the two systems can simultaneously establish a data network by using the same target network or establish different data networks by using different target networks through corresponding virtual network information and network information of the main system.
In order to further understand the method for dual-system network sharing provided in the embodiment of the present application, a method for dual-system network sharing provided in the embodiment of the present application will be described below with reference to fig. 9 by taking an example of establishing a network data connection by a first subsystem. Fig. 9 is a timing diagram of establishing network data connection by using a dual-system terminal device according to an embodiment of the present application.
In step S1, an application of the application layer sends a network request to a connection service of the first subsystem.
In step S2, the connection service of the first subsystem receives the network request and sends it to the network factory of the first subsystem providing the data service.
In step S3, the network factory of the first subsystem sends the received network request to the connection trace of the first subsystem.
In step S4, the connection trace of the first subsystem sends a network request to the wireless interface agent of the first subsystem.
In step S5, the wireless interface agent sends a network request to the wireless interface of the host system.
In step S6, the wireless interface of the host system transmits a connection request for establishing a data connection to the target network based on the network request, receives a network response transmitted by the target network for the connection request, and transmits the network response for the connection request to the network daemon of the host system, so that the network daemon of the host system establishes host system network information for the host system based on the network response, and establishes first virtual network information for the first subsystem and second virtual network information for the second subsystem.
In step S7, the wireless interface of the main system transmits a network response to the connection request to the wireless interface agent of the first subsystem.
In step S8, the wireless interface agent of the first subsystem returns a network response to the connection request to the connection trace of the first subsystem.
In step S9, the connection trace of the first subsystem configures connection attributes and reports the connection attributes to the network factory of the first subsystem providing the data service, and the network factory of the first subsystem reports the connection attributes to the connection service of the first subsystem.
In step S10, the connection service of the first subsystem invokes the network management service of the first subsystem according to the connection attribute, and the network management service of the first subsystem invokes the network daemon configuration network and the routing information of the first subsystem.
Thus, fig. 9 shows the complete process from the first subsystem issuing a request to establish a network to the completion of the network data connection.
Based on the foregoing description, the embodiment of the application receives a network request sent by any one subsystem of the first subsystem and the second subsystem for the target network; transmitting a connection request to a target network based on the network request; receiving a network response sent by a target network aiming at the connection request; based on the network response, establishing main system network information for the main system, and establishing first virtual network information for the first subsystem and second virtual network information for the second subsystem; the method comprises the steps that the main system network information comprises a communication network port aiming at a target network and a main system routing strategy, the first virtual network information comprises a first virtual network port aiming at the target network and a first routing strategy, and the second virtual network information comprises a second virtual network port aiming at the target network and a second routing strategy; the first routing strategy is used for sending the communication data aiming at the target network to the first virtual network port, the second routing strategy is used for sending the communication data aiming at the target network to the second virtual network port, the main system routing strategy comprises a first network pair route and a second network pair route, the first network pair route is used for processing the communication data received from the first virtual network port by the communication network port, and the second network pair route is used for processing the communication data received from the second virtual network port by the communication network port.
Therefore, virtual network information is respectively established for the first subsystem II and the second subsystem, and the two systems can simultaneously establish a data network by using the same target network or establish different data networks by using different target networks through corresponding virtual network information and network information of the main system. The network sharing capability can be provided under the condition that only a single PDN is supported, and meanwhile, the data isolation is ensured.
In an exemplary embodiment, the present application also provides a computer-readable storage medium including instructions, such as memory 120 including instructions, executable by processor 180 of terminal device 100 to perform the above-described dual system network sharing method. Alternatively, the computer readable storage medium may be a non-transitory computer readable storage medium, for example, a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
In an exemplary embodiment, a computer program product is also provided, comprising a computer program which, when executed by the processor 180, implements a method of dual system network sharing as provided herein.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (10)
1. A method of dual system network sharing, the dual system comprising a first subsystem and a second subsystem, the first subsystem and the second subsystem operating in a host system, the method being applied to the host system, comprising:
receiving a network request sent by any one subsystem of the first subsystem and the second subsystem aiming at a target network;
transmitting a connection request to the target network based on the network request;
receiving a network response sent by the target network for the connection request;
based on the network response, establishing main system network information for the main system, and establishing first virtual network information for the first subsystem and second virtual network information for the second subsystem; the main system network information comprises a communication network port aiming at the target network and a main system routing policy, the first virtual network information comprises a first virtual network port aiming at the target network and a first routing policy, and the second virtual network information comprises a second virtual network port aiming at the target network and a second routing policy; the first routing strategy is used for sending communication data aiming at the target network to the first virtual network port, the second routing strategy is used for sending communication data aiming at the target network to the second virtual network port, the main system routing strategy comprises a first network pair route and a second network pair route, the first network pair route is used for processing communication data received from the first virtual network port by the communication network port, and the second network pair route is used for processing communication data received from the second virtual network port by the communication network port.
2. The method of claim 1, wherein the establishing the first virtual network information for the first subsystem and the second virtual network information for the second subsystem comprises:
in the starting-up process, registering a monitor for a first event in advance; the first event is used for indicating that the establishment of the network information of the main system is completed;
and if the monitor monitors the first event reported by the bottom drive, executing the step of establishing the network information of the main system based on the network response.
3. The method according to claim 1, wherein the method further comprises:
acquiring a system identifier of the network response based on the network response;
if the system identifier of the network response comprises the system identifier of the first subsystem, the network response is sent to the first subsystem;
and if the system identifier of the network response comprises the system identifier of the second subsystem, the network response is sent to the second subsystem.
4. The method of claim 1, wherein the first virtual portal for the target network comprises a first virtual sub-portal of the first subsystem and a first virtual sub-portal of the host system, the first virtual sub-portal of the first subsystem being present in the first subsystem; the first virtual sub-network port of the main system exists in the main system, the first virtual sub-network port of the first sub-system is configured with a first Internet Protocol (IP) address of the target network, and the first virtual sub-network port of the main system is configured with a second IP address of the target network;
The second virtual network port aiming at the target network comprises a second virtual sub-network port of the second subsystem and a second virtual sub-network port of the main system, wherein the second virtual sub-network port of the second subsystem exists in the second subsystem; the second virtual sub-network port of the main system exists in the main system, the second virtual sub-network port of the second sub-system is configured with a third IP address of the target network, and the second virtual sub-network port of the main system is configured with a fourth IP address of the target network.
5. The method of claim 4, wherein after establishing the primary system network information for the primary system and establishing the first virtual network information for the first subsystem and the second virtual network information for the second subsystem based on the network reply, the method further comprises:
receiving communication data sent by a first virtual sub-network port of the first subsystem based on the first virtual sub-network port of the main system, wherein the IP address of the communication data is a first IP address of the first virtual sub-network port of the main system; after replacing the IP address of the communication data with the IP address of the communication network port, sending the communication data to the target network through the communication network port;
Receiving communication data sent by a second virtual sub-network port of the second subsystem based on the second virtual sub-network port of the main system, wherein the IP address of the communication data is a fourth IP address of the second virtual sub-network port of the main system; and after the IP address of the communication network port is adopted to replace the IP address of the communication data, the communication data is sent to the target network through the communication network port.
6. A method of dual system network sharing, wherein the dual system includes a first subsystem and a second subsystem, the first subsystem and the second subsystem operating in a main system, the method being applied to either one of the first subsystem and the second subsystem, comprising:
sending a network request to a host system for a target network to enable the host system to perform the following operations: receiving a network response sent by the target network, establishing main system network information for the main system based on the network response, and establishing first virtual network information for the first subsystem and second virtual network information for the second subsystem; the main system network information comprises a communication network port aiming at the target network and a main system routing policy, the first virtual network information comprises a first virtual network port aiming at the target network and a first routing policy, and the second virtual network information comprises a second virtual network port aiming at the target network and a second routing policy; the first routing strategy is used for sending communication data aiming at the target network to the first virtual network port, the second routing strategy is used for sending communication data aiming at the target network to the second virtual network port, the main system routing strategy comprises a first network pair route and a second network pair route, the first network pair route is used for processing communication data received from the first virtual network port by the communication network port, and the second network pair route is used for processing communication data received from the second virtual network port by the communication network port;
And receiving the network response sent by the main system.
7. The method of claim 6, wherein the method further comprises:
determining whether the state of a virtual network port of the subsystem is in a closed state;
and if the virtual network port is in the closed state, sending a communication instruction to the virtual network port of the subsystem so as to enable the virtual network port of the subsystem to be converted into the communication state from the closed state.
8. A terminal device, comprising:
a display, a processor, and a memory;
the display is used for displaying a screen display area;
the memory is configured to store the processor-executable instructions;
the processor is configured to execute the instructions to implement the method of dual system network sharing of any of claims 1-7.
9. A computer readable storage medium, characterized in that instructions in the computer readable storage medium, when executed by a terminal device, enable the terminal device to perform the method of dual system network sharing according to any of claims 1-7.
10. A computer program product comprising a computer program:
the computer program, when executed by a processor, implements a method of dual system network sharing as claimed in any one of claims 1-7.
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