CN111988776B - Network switching method, device, equipment and storage medium - Google Patents
Network switching method, device, equipment and storage medium Download PDFInfo
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- CN111988776B CN111988776B CN202010862012.0A CN202010862012A CN111988776B CN 111988776 B CN111988776 B CN 111988776B CN 202010862012 A CN202010862012 A CN 202010862012A CN 111988776 B CN111988776 B CN 111988776B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/34—Modification of an existing route
- H04W40/36—Modification of an existing route due to handover
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Abstract
The disclosure relates to the technical field of communication, and discloses a network switching method, a device, equipment and a storage medium. The method comprises the following steps: when each application program is connected with the VPN network, determining a target application program of the network to be switched and a switched network type corresponding to the target application program; according to the switched network type and the application identifier of the target application program, determining a network type label corresponding to the target application program by modifying the firewall rule; setting a strategy route corresponding to a target application program in a system route table according to the network type label, wherein the strategy route is used for determining a transmission network port; and setting a source IP address conversion rule corresponding to the target application program according to the switched network type so as to switch the VPN network connected by the target application program to the switched network type. By the technical scheme, part of application programs are switched from the VPN network to the wireless local area network or the mobile data network, and the network access rate of the corresponding application programs is improved.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a network switching method, apparatus, device, and storage medium.
Background
More and more companies/schools exist to provide internal resources to staff/teachers and students through networks, and in order to ensure the security of the internal resources and better access rate, virtual private networks (Virtual Private Network, VPN) are adopted by many companies/schools.
When a user (staff/teacher) connects a VPN (virtual private network) by using electronic equipment (such as a mobile phone, a tablet computer and the like) with an Android system to access internal resources, and the VPN is a global VPN, all application programs in the electronic equipment can access the network through the VPN according to a system default routing strategy of the Android system. However, some applications may have a reduced rate of access to the network via the VPN, affecting the user's internet experience.
Disclosure of Invention
In order to solve the above technical problems or at least partially solve the above technical problems, the present disclosure provides a network switching method, apparatus, device, and storage medium.
In a first aspect, the present disclosure provides a network switching method, where each application is connected to a VPN network, the method including:
determining a target application program of a network to be switched and a switched network type corresponding to the target application program, wherein the switched network type is a wireless local area network or a mobile data network;
According to the switched network type and the application identifier of the target application program, determining a network type label corresponding to the target application program by modifying a firewall rule;
setting a strategy route corresponding to the target application program in a system route table according to the network type label, wherein the strategy route is used for determining a transmission network port of message data of the target application program according to the network type label;
and setting a source IP address conversion rule corresponding to the target application program according to the switched network type so as to switch the VPN network connected by the target application program to the switched network type, wherein the source IP address conversion rule is used for converting a source IP address corresponding to the VPN network into an IP address corresponding to the switched network type.
In some embodiments, the determining the target application of the network to be handed off comprises:
after receiving a network switching instruction triggered by a user, displaying an application program selection interface;
and determining the target application program based on the application program selection operation of the user on the application program selection interface.
Further, the determining the network type after the handover corresponding to the target application program includes:
And under the condition that the wireless local area network and/or the mobile data network are available, determining the network type after the switching corresponding to the target application program based on the network type selection operation of the user on the application program selection interface.
In some embodiments, the determining the target application of the network to be handed off comprises:
and acquiring a white list, and determining the target application program according to the package name of the application program in the white list.
Further, the determining the network type after the handover corresponding to the target application program includes:
and under the condition that the wireless local area network and/or the mobile data network are available, determining the network type after switching corresponding to the target application program according to the network type corresponding to the packet name of the application program in the white list.
In some embodiments, the determining the target application of the network to be handed off comprises:
and for each application program, if the domain name resolution time length of the application program exceeds a preset time length or the number of domain name resolution failures exceeds a preset number of times, determining the application program as the target application program.
In some embodiments, the method further comprises:
Under the condition that the removal of the target application program is monitored, the network type label corresponding to the target application program is cleared; and/or
And under the condition that the VPN network disconnection is monitored, the network type label, the strategy route and the source IP address conversion rule corresponding to the target application program are cleared.
In some embodiments, the method further comprises:
and under the condition that the target application program is added again, the network type label corresponding to the target application program is redetermined by modifying the firewall rule according to the switched network type and the new application identifier of the target application program.
In some embodiments, the method further comprises:
acquiring message data generated by the target application program and the network type label corresponding to the message data, wherein the message data carries a source IP address corresponding to the VPN network;
determining a transmission network port corresponding to the target application program from the system routing table according to the network type label;
converting the source IP address into an IP address corresponding to the switched network type according to the source IP address conversion rule;
And sending the message data from the transmission network port based on the IP address corresponding to the switched network type.
In some embodiments, the method further comprises:
receiving response data of the message data, wherein the response data carries a mac address and an IP address corresponding to the switched network type;
and transmitting the response data to the target application program through the mac address and the IP address corresponding to the switched network type.
In a second aspect, the present disclosure provides a network switching apparatus, where each application is connected to a VPN network, the apparatus including:
the system comprises a target application program determining module, a target application program determining module and a network switching module, wherein the target application program of a network to be switched and a switched network type corresponding to the target application program are determined, and the switched network type is a wireless local area network or a mobile data network;
the network type label determining module is used for determining a network type label corresponding to the target application program according to the switched network type;
the policy route setting module is used for setting a policy route corresponding to the target application program in a system route table according to the network type label, wherein the policy route is used for determining a transmission network port of message data of the target application program according to the network type label;
The IP address conversion rule determining module is configured to set a source IP address conversion rule corresponding to the target application program according to the switched network type, so as to switch the VPN network connected by the target application program to the switched network type, where the source IP address conversion rule is used to convert a source IP address corresponding to the VPN network into an IP address corresponding to the switched network type.
In some embodiments, the target application determining module is specifically configured to:
after receiving a network switching instruction triggered by a user, displaying an application program selection interface;
and determining the target application program based on the application program selection operation of the user on the application program selection interface.
Further, the target application program determining module is specifically configured to:
and under the condition that the wireless local area network and/or the mobile data network are available, determining the network type after the switching corresponding to the target application program based on the network type selection operation of the user on the application program selection interface.
In some embodiments, the target application determining module is specifically configured to:
and acquiring a white list, and determining the target application program according to the package name of the application program in the white list.
Further, the target application program determining module is specifically configured to:
and under the condition that the wireless local area network and/or the mobile data network are available, determining the network type after switching corresponding to the target application program according to the network type corresponding to the packet name of the application program in the white list.
In some embodiments, the target application determining module is specifically configured to:
and for each application program, if the domain name resolution time length of the application program exceeds a preset time length or the number of domain name resolution failures exceeds a preset number of times, determining the application program as the target application program.
In some embodiments, the apparatus further comprises a network rule clearing module to:
under the condition that the removal of the target application program is monitored, the network type label corresponding to the target application program is cleared; and/or
And under the condition that the VPN network disconnection is monitored, the network type label, the strategy route and the source IP address conversion rule corresponding to the target application program are cleared.
In some embodiments, the apparatus further comprises a network type tag re-determination module for:
And under the condition that the target application program is added again, the network type label corresponding to the target application program is redetermined by modifying the firewall rule according to the switched network type and the new application identifier of the target application program.
In some embodiments, the apparatus further includes a message data issuing module configured to:
acquiring message data generated by the target application program and the network type label corresponding to the message data, wherein the message data carries a source IP address corresponding to the VPN network;
determining a transmission network port corresponding to the target application program from the system routing table according to the network type label;
converting the source IP address into an IP address corresponding to the switched network type according to the source IP address conversion rule;
and sending the message data from the transmission network port based on the IP address corresponding to the switched network type.
In some embodiments, the apparatus further includes a message data receiving module configured to:
receiving response data of the message data, wherein the response data carries a mac address and an IP address corresponding to the switched network type;
And transmitting the response data to the target application program through the mac address and the IP address corresponding to the switched network type.
In a third aspect, the present disclosure provides an electronic device comprising:
one or more processors;
storage means for storing one or more programs,
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement any of the embodiments of the network switching methods described above.
In a fourth aspect, the present disclosure provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements any of the embodiments of the network switching method described above.
According to the technical scheme provided by the embodiment of the disclosure, under the condition that each application program is connected with a VPN network, a target application program of the network to be switched and a network type after switching corresponding to the target application program are determined; according to the switched network type and the application identifier of the target application program, determining a network type label corresponding to the target application program by modifying the firewall rule; setting a strategy route corresponding to the target application program in a system route table according to the network type label, wherein the strategy route is used for determining a transmission network port of message data of the target application program according to the network type label; and setting a source IP address conversion rule corresponding to the target application program according to the switched network type so as to switch the VPN network connected by the target application program to the switched network type. The network mode (network type) of the application program with slow network access rate in the terminal is switched from the VPN network to the wireless local area network or the mobile data network, so that the network access rate of the corresponding application program is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a flowchart of a network switching method provided in an embodiment of the present disclosure;
fig. 2 is a flowchart of a packet data transmission based on a network switching method according to an embodiment of the present disclosure;
fig. 3 is a flowchart of yet another network switching method provided by an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a network switching device according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further detailed description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.
The network switching method provided by the embodiment of the disclosure is mainly suitable for a scene that the equipment switches network modes for part of application programs in the equipment under the condition of connecting a VPN network. The network switching method provided by the embodiments of the present disclosure may be performed by a network switching device, where the device may be implemented in software and/or hardware, and the device may be integrated in an electronic device capable of accessing a VPN network, for example, a mobile phone, a palm computer, a tablet computer, a notebook computer, a desktop computer, or the like.
Fig. 1 is a flowchart of a network switching method provided in an embodiment of the present disclosure. Referring to fig. 1, the network switching method specifically includes:
s110, determining a target application program of a network to be switched and a switched network type corresponding to the target application program, wherein the switched network type is a wireless local area network or a mobile data network.
Specifically, when the electronic device connects to the VPN network, all applications installed therein default to all perform network access through the VPN network. In this scenario, the network switching device needs to determine an application program with a slower network access rate (i.e., a target application program) from all application programs, and needs to determine under which network type the target application program has a faster network access rate, i.e., determine the network type after switching corresponding to the target application program. The network type after the handover can be a wireless local area network, such as Wi-Fi; but may also be a cellular mobile data network provided by an operator card (i.e. SIM card) in the electronic device.
The mode of determining the target application program can be selected by a user through an interactive interface or can be automatically determined by the electronic equipment. The mode of determining the network type after switching can be selected by a user through an interactive interface, can be automatically selecting the currently available network type, and can be automatically determined according to the communication quality of different network types.
It should be noted that the determined target application program may be one or more. If there are multiple target applications, each target application executes the same network switching flow.
S120, according to the switched network type and the application identifier of the target application program, determining a network type label corresponding to the target application program by modifying the firewall rule.
The application identifier UID is a unique identifier of the application program in the running system, and even if the same application program is reinstalled, the application program UID before and after installation will be different. Firewall rules are rules by which a network firewall controls applications in an electronic device to communicate with the internet, and include communication rules for controlling all incoming and outgoing network communications. The control network communication process needs to specify the identification of the network type (i.e., the network type label) corresponding to each application program. The network type tag is an identification pre-set for each network type that should be distinguished from the identification used by the system in the firewall rules, e.g., network type tag 1024 may be set for Wi-Fi network types.
Specifically, network communication of all application programs is controlled by a network firewall, so that in order to enable a target application program to perform network communication through a switched network type, a network switching device needs to modify firewall rules and determine a switched network type label corresponding to the target application program so as to establish an association relationship between the target application program and the switched network type in the firewall rules. For example, for a target application with an application identification UID of 10048 and a switched network type of Wi-Fi network type, firewall rules may be modified by iptables-t-mangle-a OUTPUT-m wner-UID-wner 10048-j MARK-set-MARK 1024, setting a network type tag 1024 for the target application. If the network type after the switching is not Wi-Fi network, changing the mark in the network type label setting statement into the label corresponding to the corresponding network type.
S130, setting a strategy route corresponding to the target application program in a system route table according to the network type label, wherein the strategy route is used for determining a transmission network port of message data of the target application program according to the network type label.
The system routing table is a spreadsheet (file) or class database stored in the electronic device, which is used to implement routing protocols and decision routing.
Specifically, the network switching device determines a network type tag for the target application program, and determines a transmission network port used in the network communication process for the target application program, where the transmission network port is used for transmitting message data corresponding to the target application program. In the specific implementation, the network switching device determines a transmission network port corresponding to the switched network type according to the network type label corresponding to the target application program, and sets a strategy route in the system route table to establish the association relationship between the network type label and the transmission network port in the route table, so that message data can be routed for the target application program according to the strategy route in the subsequent communication process, namely, the message data carrying the network type label is routed to the transmission network port corresponding to the target application program for message transmission. For example, a policy route may be set for network type tag 1024 (Wi-Fi tag) by ip rule add fwmark 1024priority 1000table wlan0, which determines that its corresponding transport portal is wlan0. If the network type after the switching is not Wi-Fi network, the wlan0 in the policy routing setting statement is changed to the network port corresponding to the corresponding network type.
It should be noted that, in the embodiment of the present disclosure, the priority of the policy route is higher than the priority of the default route of the system, so as to ensure that the target application program preferentially performs network access according to the switched network type.
And S140, setting a source IP address conversion rule corresponding to the target application program according to the switched network type so as to switch the VPN network connected by the target application program to the switched network type.
Wherein the source IP address translation rule is a rule for IP address translation, which is implemented by modifying firewall rules.
Specifically, the target application program communicates through the switched network type, and the network switching device also needs to set a source IP address conversion rule for the target application program by modifying a firewall rule, where the source IP address conversion rule can convert a source IP address corresponding to the VPN network into an IP address of a transmission network port corresponding to the switched network type in the communication process. Thus, the message data of the target application program can be transmitted through the transmission network port based on the IP address of the transmission network port corresponding to the switched network type, so as to realize network switching.
Here, the execution order of S130 and S140 is not limited, and S130 may be executed before/after S140, or S130 may be executed in parallel with S140.
According to the technical scheme, under the condition that each application program is connected with the VPN network, the target application program of the network to be switched and the network type after the switching corresponding to the target application program are determined; according to the switched network type and the application identifier of the target application program, determining a network type label corresponding to the target application program by modifying the firewall rule; setting a strategy route corresponding to the target application program in a system route table according to the network type label, wherein the strategy route is used for determining a transmission network port of message data of the target application program according to the network type label; and setting a source IP address conversion rule corresponding to the target application program according to the switched network type so as to switch the VPN network connected by the target application program to the switched network type. The network mode of the application program with slow network access rate in the terminal is switched from the VPN network to the wireless local area network or the mobile data network, so that the network access rate of the corresponding application program is improved.
In some embodiments, on the basis of the above technical solution, the network switching method further includes: under the condition that the removal of the target application program is monitored, the network type label corresponding to the target application program is cleared; and/or under the condition that the VPN network disconnection is monitored, the network type label, the strategy route and the source IP address conversion rule corresponding to the target application program are cleared. Specifically, when it is monitored that the target application program is removed, the network switching device clears the setting rule of the network type tag corresponding to the target application program in the firewall rule, so as to clear the network conversion processing of the target application program. When the VPN network disconnection is monitored, the network switching device can remove firewall rules set by the network type label, the policy routing setting and the source IP address switching rule without executing the network switching method of the embodiment of the disclosure.
In some embodiments, on the basis of the above technical solution, the network switching method further includes: and under the condition that the target application program is added again, the network type label corresponding to the target application program is redetermined by modifying the firewall rule according to the switched network type and the new application identifier of the target application program. Specifically, when it is monitored that the target application program is newly added, for example, the packet name of the newly added target application program is the same, but the application identifier UID is different, but the VPN network is not disconnected, the network switching device needs to set the network type tag for the target application program again. For example, the network type tag is set in the same manner as in S120, and the mark tag is unchanged except for the UID. Thus, network switching of the target application program can be realized quickly.
Fig. 2 is a flowchart of yet another network switching method provided in an embodiment of the present disclosure. It further optimizes the "determine target application of network to be handed over". On the basis, the method can further optimize the determination of the switched network type corresponding to the target application program. Wherein the explanation of the same or corresponding terms as those of the above embodiments is not repeated herein. Referring to fig. 2, the network switching method includes:
And S210, after receiving a network switching instruction triggered by a user, displaying an application program selection interface.
The network switching instruction refers to an instruction for triggering a network switching process.
Specifically, in some embodiments, the network switching device provides a man-machine interaction interface, and determines the target application program and the network type after switching through the interaction operation of the user. When the user clicks a control capable of triggering a network switching process in the man-machine interaction interface, for example, the user clicks a network switching button, or the user clicks a button corresponding to the switched network type, the network switching device receives a network switching instruction generated based on the clicking operation of the user, and then displays an application program selection interface to the user. The application selection interface displays a plurality of applications installed in the electronic device, and the applications can execute network type switching.
S220, determining a target application program based on application program selection operation of the user on the application program selection interface.
Specifically, after the electronic device is connected to the VPN network, the user may perceive which application programs have a slower network access rate, and at this time, the user may select, through the application program selection interface, the application program with a slower network speed, and the network switching device may receive a selection instruction corresponding to the corresponding application program, and then use the application program corresponding to the selection instruction as the target application program.
And S230, determining the network type after switching corresponding to the target application program based on the network type selection operation of the user on the application program selection interface under the condition that the wireless local area network and/or the mobile data network are available.
Specifically, after the electronic device connects to the global VPN network, at least one of the wireless local area network and the mobile data network is available in addition to the VPN network, such as the VPN network and the wireless local area network, the VPN network and the mobile data network, or the VPN network, the wireless local area network, and the mobile data network are all available. In either case, the network switching device may provide an interactive interface for selecting a network type, for example, a selection button for adding a network type to the application selection interface, and when the user selects an application, the network switching device may select the network type to be switched together, so that the network switching device may determine the switched network type corresponding to each target application based on the selection operation of the user. Corresponding communication rules can be set for the target application program and the switched network type thereof later so as to carry out communication according to the set communication rules when the switched network type is available.
S240, acquiring a white list, and determining a target application program according to the package name of the application program in the white list.
Specifically, in some embodiments, a whitelist may be preset for storing information (such as a packet name) of an application program to switch network types in the case of VPN connection, for example, storing information of an application program accessing an external resource. The whitelist may be stored in the cloud or locally. And the network switching device acquires the white list under the condition that the VPN connection is detected, reads the package name from the white list, and determines an application program matched with the package name in all application programs installed in the electronic equipment as a target application program.
S250, determining the network type after switching corresponding to the target application program according to the network type corresponding to the packet name of the application program in the white list under the condition that the wireless local area network and/or the mobile data network are available.
Specifically, the whitelist may store, in addition to information of the application programs, a switched network type corresponding to each application program. Then, in the case that at least one of the wireless local area network and the mobile data network is available, the network switching device may read the white list to obtain a switched network type corresponding to each target application.
And S260, determining the application program as a target application program if the domain name resolution time length of the application program exceeds a preset time length or the number of domain name resolution failures exceeds a preset number of times for each application program.
In particular, in some embodiments, the network switching device may automatically detect a network access rate of each application after connecting to the VPN network to determine the target application. In this embodiment, the network switching device detects the network access rate through the dns resolution (such as the resolution status and/or the resolution duration) of the domain name corresponding to each application. If the domain name resolution duration of a certain application program exceeds a preset duration (i.e. a preset duration), or the number of domain name resolution failures exceeds a preset number, the network access rate of the application program is considered to be slower, and the application program is determined to be a target application program. The above process is executed for each application program, so that all target application programs needing to switch networks can be determined. The preset time period and the preset times can be determined according to the requirement of the user on the response rate of the application program.
S270, according to the switched network type and the application identifier of the target application program, determining the network type label corresponding to the target application program by modifying the firewall rule.
S280, setting a strategy route corresponding to the target application program in a system route table according to the network type label, wherein the strategy route is used for determining a transmission network port of message data of the target application program according to the network type label.
S290, setting a source IP address conversion rule corresponding to the target application program according to the switched network type so as to switch the VPN network connected by the target application program to the switched network type.
According to the technical scheme, after the network switching instruction triggered by the user is received, an application program selection interface is displayed; determining a target application program based on application program selection operation of a user on an application program selection interface; and determining the network type after the switching corresponding to the target application program based on the network type selection operation of the user on the application program selection interface under the condition that the wireless local area network and/or the mobile data network are available. The method and the device realize the manual selection of the target application program and the switched network type by the user, so that the network switching result meets the user requirement. Determining a target application program by acquiring a white list and according to the package name of the application program in the white list; and determining the switched network type corresponding to the target application program according to the network type corresponding to the packet name of the application program in the white list under the condition that the wireless local area network and/or the mobile data network are available. The method and the device realize automatic determination of the target application program and the network type after the target application program is switched by setting the white list, and further improve the convenience of determining the target application program and the network type. And determining the application program as a target application program by aiming at each application program if the domain name resolution time length of the application program exceeds a preset time length or the number of domain name resolution failures exceeds a preset number. The method and the device realize the automatic determination of the network access speed of each application program by utilizing the domain name resolution condition, thereby automatically determining the application program with low network access speed as a target application program and determining the network type with high network access speed as the switched network type, being capable of considering the current network environment and further improving the automation degree and the accuracy of the determination of the target application program and the switched network type.
Fig. 3 is a flowchart of a packet data transmission based on a network switching method according to an embodiment of the present disclosure. Referring to fig. 3, the message data transmission process based on the network switching method specifically includes:
s310, acquiring message data generated by a target application program and a network type label corresponding to the message data, wherein the message data carries a source IP address corresponding to a VPN network.
Specifically, after the network switching is successful, the target application program can communicate through the switched network type. Aiming at the message sending of the target application program, the network switching device acquires message data to be sent by the target application program and a network type label of the target application program required by the message data sending, wherein the message data comprises a source IP address of a network port corresponding to the VPN network.
S320, determining a transmission network port corresponding to the target application program from the system routing table according to the network type label.
Specifically, the network switching device determines a transmission network port corresponding to the target application program according to the network type label through a policy route in a system routing table.
S330, converting the source IP address into the IP address corresponding to the switched network type according to the source IP address conversion rule.
Specifically, the network switching device converts the source IP address into the IP address of the network port corresponding to the switched network type based on the source IP address conversion rule.
S340, based on the IP address corresponding to the switched network type, the message data is sent out from the transmission network port.
S350, receiving response data of the message data, wherein the response data carries the mac address and the IP address corresponding to the switched network type.
S360, transmitting the response data to the target application program through the mac address and the IP address corresponding to the switched network type.
Specifically, the network switching device transmits response data to the target application program through the mac address and the IP address corresponding to the switched network type based on the TCP/IP network protocol stack.
According to the technical scheme of the embodiment of the disclosure, on the basis of the network switching method provided by each embodiment, the target application program utilizes the switched network to send the message data and receive the response data of the message data, so that the transmission efficiency of the message data after network switching is improved, namely the network access rate of the target application program is improved.
Fig. 4 is a schematic structural diagram of a network switching device according to an embodiment of the present disclosure. Referring to fig. 4, in a case where each application in the electronic device is connected to the VPN network, the apparatus specifically includes:
A target application determining module 410, configured to determine a target application of a network to be switched and a network type after switching corresponding to the target application, where the network type after switching is a wireless local area network or a mobile data network;
the network type tag determining module 420 is configured to determine a network type tag corresponding to the target application according to the switched network type;
the policy route setting module 430 is configured to set a policy route corresponding to the target application program in the system route table according to the network type tag, where the policy route is used to determine a transmission network port of the message data of the target application program according to the network type tag;
the IP address conversion rule determining module 440 is configured to set a source IP address conversion rule corresponding to the target application according to the switched network type, so as to switch the VPN network connected to the target application to the switched network type, where the source IP address conversion rule is used to convert the source IP address corresponding to the VPN network to an IP address corresponding to the switched network type.
In some embodiments, the target application determination module 410 is specifically configured to:
after receiving a network switching instruction triggered by a user, displaying an application program selection interface;
And determining the target application program based on the application program selection operation of the user on the application program selection interface.
Further, the target application determining module 410 is further specifically configured to:
and under the condition that the wireless local area network and/or the mobile data network are available, determining the network type after the switching corresponding to the target application program based on the network type selection operation of the user on the application program selection interface.
In some embodiments, the target application determination module 410 is specifically configured to:
and acquiring a white list, and determining a target application program according to the package name of the application program in the white list.
Further, the target application determining module 410 is further specifically configured to:
and under the condition that the wireless local area network and/or the mobile data network are available, determining the switched network type corresponding to the target application program according to the network type corresponding to the packet name of the application program in the white list.
In some embodiments, the target application determination module 410 is specifically configured to:
and for each application program, if the domain name resolution time length of the application program exceeds a preset time length or the number of domain name resolution failures exceeds a preset number, determining the application program as a target application program.
In some embodiments, the apparatus further comprises a network rule clearing module to:
under the condition that the removal of the target application program is monitored, the network type label corresponding to the target application program is cleared; and/or
And under the condition that the VPN network disconnection is monitored, the network type label, the strategy route and the source IP address conversion rule corresponding to the target application program are cleared.
In some embodiments, the apparatus further comprises a network type tag re-determination module for:
and under the condition that the target application program is added again, the network type label corresponding to the target application program is redetermined by modifying the firewall rule according to the switched network type and the new application identifier of the target application program.
In some embodiments, the apparatus further includes a message data issuing module configured to:
acquiring message data generated by a target application program and a network type label corresponding to the message data, wherein the message data carries a source IP address corresponding to a VPN network;
determining a transmission network port corresponding to the target application program from a system routing table according to the network type label;
converting the source IP address into an IP address corresponding to the switched network type according to the source IP address conversion rule;
And sending the message data from the transmission network port based on the IP address corresponding to the switched network type.
In some embodiments, the apparatus further includes a message data receiving module configured to:
receiving response data of the message data, wherein the response data carries a mac address and an IP address corresponding to the switched network type;
and transmitting the response data to the target application program through the mac address and the IP address corresponding to the switched network type.
According to the network switching device provided by the embodiment of the invention, the network mode of the application program with slow network access rate in the terminal is switched from the VPN network to the wireless local area network or the mobile data network, so that the network access rate of the corresponding application program is improved.
The network switching device provided by the embodiment of the disclosure can execute the network switching method provided by any embodiment of the disclosure, and has the corresponding functional modules and beneficial effects of the execution method.
It should be noted that, in each embodiment of the network switching device, each module included is only divided according to the functional logic, but not limited to the above-mentioned division, so long as the corresponding function can be implemented; in addition, the specific names of the functional modules are also only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present disclosure.
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. Referring to fig. 5, an electronic device 500 provided in an embodiment of the present disclosure includes: one or more processors 520; the storage 510 is configured to store one or more programs, where the one or more programs are executed by the one or more processors 520, so that the one or more processors 520 implement the network switching method provided by the embodiments of the present disclosure, and includes:
under the condition that each application program is connected with a VPN network, determining a target application program of a network to be switched and a network type after switching corresponding to the target application program, wherein the network type after switching is a wireless local area network or a mobile data network;
according to the switched network type and the application identifier of the target application program, determining a network type label corresponding to the target application program by modifying the firewall rule;
setting a strategy route corresponding to the target application program in a system route table according to the network type label, wherein the strategy route is used for determining a transmission network port of message data of the target application program according to the network type label;
and setting a source IP address conversion rule corresponding to the target application program according to the switched network type so as to switch the VPN network connected by the target application program to the switched network type, wherein the source IP address conversion rule is used for converting the source IP address corresponding to the VPN network into the IP address corresponding to the switched network type.
Of course, those skilled in the art will appreciate that the processor 520 may also implement the technical solution of the network handover method provided in any embodiment of the present disclosure.
The electronic device 500 shown in fig. 5 is merely an example and should not be construed to limit the functionality and scope of use of embodiments of the present disclosure in any way.
As shown in fig. 5, the electronic device 500 is embodied in the form of a general purpose computing device. The components of electronic device 500 may include, but are not limited to: one or more processors 520, a memory device 510, and a bus 550 connecting the various system components, including the memory device 510 and the processor 520.
Bus 550 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, a processor, and a local bus using any of a variety of bus architectures. By way of example, and not limitation, such architectures include Industry Standard Architecture (ISA) bus, micro channel architecture (MAC) bus, enhanced ISA bus, video Electronics Standards Association (VESA) local bus, and Peripheral Component Interconnect (PCI) bus.
Electronic device 500 typically includes many types of computer system readable media. Such media can be any available media that is accessible by electronic device 500 and includes both volatile and nonvolatile media, removable and non-removable media.
Storage 510 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM) 511 and/or cache memory 512. Electronic device 500 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 513 may be used to read from or write to non-removable, non-volatile magnetic media (not shown in FIG. 5, commonly referred to as a "hard disk drive"). Although not shown in fig. 5, a magnetic disk drive for reading from and writing to a removable non-volatile magnetic disk (e.g., a "floppy disk"), and an optical disk drive for reading from or writing to a removable non-volatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In such cases, each drive may be coupled to bus 550 via one or more data medium interfaces. The storage 510 may include at least one program product having a set (e.g., at least one) of program modules configured to carry out the functions of the various embodiments of the disclosure.
A program/utility 514 having a set (at least one) of program modules 515 may be stored, for example, in storage 510, such program modules 515 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment. Program module 515 generally performs the functions and/or methods described in any of the embodiments of the present disclosure.
The electronic device 500 may also communicate with one or more external devices 560 (e.g., keyboard, pointing device, display 570, etc.), one or more devices that enable a user to interact with the electronic device 500, and/or any devices (e.g., network card, modem, etc.) that enable the electronic device 500 to communicate with one or more other computing devices. Such communication may occur through an input/output interface (I/O interface) 530. Also, the electronic device 500 may communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through the network adapter 540. As shown in fig. 5, the network adapter 540 communicates with other modules of the electronic device 500 via a bus 550. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with electronic device 500, including, but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.
The disclosed embodiments also provide a storage medium containing computer executable instructions, which when executed by a computer processor, are for performing a network switching method comprising:
Under the condition that each application program is connected with a VPN network, determining a target application program of a network to be switched and a network type after switching corresponding to the target application program, wherein the network type after switching is a wireless local area network or a mobile data network;
according to the switched network type and the application identifier of the target application program, determining a network type label corresponding to the target application program by modifying the firewall rule;
setting a strategy route corresponding to the target application program in a system route table according to the network type label, wherein the strategy route is used for determining a transmission network port of message data of the target application program according to the network type label;
and setting a source IP address conversion rule corresponding to the target application program according to the switched network type so as to switch the VPN network connected by the target application program to the switched network type, wherein the source IP address conversion rule is used for converting the source IP address corresponding to the VPN network into the IP address corresponding to the switched network type.
Of course, the storage medium containing the computer executable instructions provided in the embodiments of the present disclosure is not limited to the above method operations, but may also perform the related operations in the network handover method provided in any embodiment of the present disclosure.
The computer storage media of the embodiments of the present disclosure may take the form of any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations of the present disclosure may be written in one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
It is noted that the terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present application. As used in the specification and the claims, the terms "a," "an," "the," and/or "the" are not specific to a singular, but may include a plurality, unless the context clearly dictates otherwise. The term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. A network switching method, wherein each application is connected to a global VPN network, the method comprising:
determining a target application program with low network access speed of a network to be switched and a switched network type with high network access speed corresponding to the target application program, wherein the switched network type is a wireless local area network or a mobile data network;
according to the switched network type and the application identifier of the target application program, determining a network type label corresponding to the target application program by modifying a firewall rule; the network type label is a preset identifier for the network type;
Setting a strategy route corresponding to the target application program in a system route table according to the network type label, wherein the strategy route is used for determining a transmission network port of message data of the target application program according to the network type label, and the priority of the strategy route is higher than that of a default route of a system;
setting a source IP address conversion rule corresponding to the target application program according to the switched network type so as to switch the VPN network connected by the target application program to the switched network type, wherein the source IP address conversion rule is used for converting a source IP address corresponding to the VPN network into an IP address corresponding to the switched network type;
acquiring message data generated by the target application program and the network type label corresponding to the message data, wherein the message data carries a source IP address corresponding to the VPN network;
determining a transmission network port corresponding to the target application program from the system routing table according to the network type label;
converting the source IP address into an IP address corresponding to the switched network type according to the source IP address conversion rule;
And sending the message data from the transmission network port based on the IP address corresponding to the switched network type.
2. The method of claim 1, wherein the determining the target application of the network to be switched that has a slow network access speed comprises:
after receiving a network switching instruction triggered by a user, displaying an application program selection interface;
and determining the target application program based on the application program selection operation of the user on the application program selection interface.
3. The method of claim 2, wherein the determining the network type after the handover corresponding to the target application and having the fast network access speed comprises:
and under the condition that the wireless local area network and/or the mobile data network are available, determining the network type after the switching corresponding to the target application program based on the network type selection operation of the user on the application program selection interface.
4. The method of claim 1, wherein the determining the target application of the network to be switched that has a slow network access speed comprises:
acquiring a white list, and determining the target application program according to the package name of the application program in the white list; the white list is used for storing package names of application programs accessing external resources.
5. The method of claim 4, wherein the determining the network type after the handover corresponding to the target application and having the fast network access speed comprises:
and under the condition that the wireless local area network and/or the mobile data network are available, determining the network type after switching corresponding to the target application program according to the network type corresponding to the packet name of the application program in the white list.
6. The method of claim 1, wherein the determining the target application of the network to be switched that has a slow network access speed comprises:
and for each application program, if the domain name resolution time length of the application program exceeds a preset time length or the number of domain name resolution failures exceeds a preset number of times, determining the application program as the target application program.
7. The method according to claim 1, wherein the method further comprises:
under the condition that the removal of the target application program is monitored, the network type label corresponding to the target application program is cleared; and/or
And under the condition that the VPN network disconnection is monitored, the network type label, the strategy route and the source IP address conversion rule corresponding to the target application program are cleared.
8. The method according to claim 1, wherein the method further comprises:
and under the condition that the target application program is added again, the network type label corresponding to the target application program is redetermined by modifying the firewall rule according to the switched network type and the new application identifier of the target application program.
9. A network switching apparatus, wherein each application is connected to a global VPN network, the apparatus comprising:
the system comprises a target application program determining module, a target application program determining module and a network processing module, wherein the target application program determining module is used for determining a target application program with low network access speed of a network to be switched and a switched network type with high network access speed corresponding to the target application program, and the switched network type is a wireless local area network or a mobile data network;
the network type label determining module is used for determining a network type label corresponding to the target application program according to the switched network type; the network type label is a preset identifier for the network type;
the policy route setting module is used for setting a policy route corresponding to the target application program in a system route table according to the network type label, wherein the policy route is used for determining a transmission network port of message data of the target application program according to the network type label, and the priority of the policy route is higher than that of a default route of a system;
The IP address conversion rule determining module is used for setting a source IP address conversion rule corresponding to the target application program according to the switched network type so as to switch the VPN network connected by the target application program to the switched network type, wherein the source IP address conversion rule is used for converting a source IP address corresponding to the VPN network into an IP address corresponding to the switched network type;
the message data sending module is used for obtaining the message data generated by the target application program and the network type label corresponding to the message data, wherein the message data carries a source IP address corresponding to the VPN network; determining a transmission network port corresponding to the target application program from the system routing table according to the network type label; converting the source IP address into an IP address corresponding to the switched network type according to the source IP address conversion rule; and sending the message data from the transmission network port based on the IP address corresponding to the switched network type.
10. An electronic device, the electronic device comprising:
one or more processors;
storage means for storing one or more programs,
The one or more programs, when executed by the one or more processors, cause the one or more processors to implement the network handover method of any of claims 1-8.
11. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when executed by a processor, implements the network handover method according to any of claims 1-8.
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