CN116016000A - Video base station multi-network intelligent access method - Google Patents
Video base station multi-network intelligent access method Download PDFInfo
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Abstract
The invention discloses a video base station multi-network intelligent access method, which comprises the steps that under the condition that a plurality of connection network modes including a wired Ethernet, a wireless Wi-Fi mode and a 4G network card exist, the priority of the access network mode is sequentially from high to low, the wired Ethernet, the wireless Wi-Fi and the 4G network card, a video base station respectively detects the triggering of preset configuration of the network card, the wireless interface connection and the 4G network card, when the video base station has an Ethernet access router and a wireless Wi-Fi access router respectively, the video base station sends a DHCP (Dynamic Host Configuration protocol. Dynamic host configuration protocol) packet detection interface and link communication detection, and the DHCP packet mode is sent to dynamically acquire an IP address distributed by the router; and when the 4G network card is accessed, the preset network card information is used for surfing the Internet, so that various access modes are realized. Because the video base station can automatically select the best transmission network when a plurality of connection network access side links exist, the possible conflict phenomenon of the network is avoided, and the stability and the reliability of the links are improved.
Description
Technical Field
The invention relates to the technical field of network access, in particular to a multi-network intelligent access method of a video base station.
Background
When the front end is provided with a plurality of monitoring cameras, after the audio and video of the monitoring cameras are processed through the APP of the video base station, the audio and video data are transmitted to the internet network, so that the mobile terminal or the computer can view the video monitoring content through the network, as shown in fig. 1.
At present, the video base station generally adopts the following two types, namely, a wired Ethernet mode is adopted for access; and secondly, the wired Ethernet mode is adopted to access and Wi-Fi is adopted to connect with an uplink router, so that audio and video data are transmitted to an internet network. In the latter case, the uplink network access needs to be selected manually, and if the router is accessed in the Wi-Fi mode, the ethernet port (ETH) mode is added to the uplink network for connection. At this time, both network modes can be connected (audio and video data are transmitted to the internet network and are also called surfing), one access mode needs to be manually designated, the other access mode is disconnected, otherwise, the situation of network conflict occurs, addresses of the same network segment in the router are filled in by adopting a static address acquisition mode when the network is accessed, and if the same network segment occurs in the local network, address conflict occurs, so that the network has a problem.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a video base station multi-network intelligent access method, which can automatically select a transmission network and avoid the possible collision phenomenon of the network.
In order to solve the problems, the invention provides a video base station multi-network intelligent access method, which comprises the steps that under the condition that a plurality of connection network modes including a wired Ethernet, a wireless Wi-Fi mode and a 4G network card exist, the priority of the access network mode is sequentially the wired Ethernet, the wireless Wi-Fi and the 4G network card from high to low, the video base station respectively detects the triggering of preset configuration of the network card, the wireless interface connection and the 4G network card, and when the video base station respectively has a wired, ethernet access and a wireless Wi-Fi access router, the video base station sends a DHCP detection packet detection interface and link communication detection, and sends the DHCP detection packet mode to dynamically acquire an IP address allocated by the router; and when the 4G network card is accessed, the preset network card information is used for surfing the Internet, so that various access modes are realized.
Further, the dynamically obtaining the IP address allocated by the router includes:
searching a DHCP server in the local area network, and when the video base station finds that the local IP address is not set, sending DHCP detection packet discovery information to 255.255.255.255 in a broadcasting mode to search the DHCP server;
distributing IP addresses, responding to a DHCP server which receives the discovery information of the DHCP detection packet from the upper-level equipment connected with the video base station, selecting one from a pool of unassigned IP addresses, distributing the one to the video base station, and sending a DHCP refer message containing the distributed IP addresses, DNS addresses, gateways and masks to the video base station;
after receiving the IP address and the DHCP offer information, the video base station replies a DHCP request message containing the IP address content distributed to the selected DHCP server in a broadcasting mode;
and after receiving the DHCP request information replied by the video base station, the upper-level equipment of the video base station confirms that the video base station can use the IP address of which the selected address is not allocated in the address pool.
Further, the video base station detection interface includes sending a DHCP detection packet to the wireless interface and the ethernet interface through a constructed DHCP detection packet (DHCP discover packet), when the two interfaces do not reply, constructing a ping packet to send a 4g network card interface, and polling to send the DHCP detection packet or the ping packet to the three interfaces until at least one of the interfaces replies, and determining that the access mode of the replied interfaces is connected.
Further, the link connectivity probe adopts an interface link connection which sends a DHCP probe packet to each interface and detects whether to reply the DHCP offer packet, and when the DHCP offer packet is received, the DHCP offer packet is received to reply.
Further, the link connectivity probe of the 4g network card determines the link connectivity by adopting whether the constructed ping packet has a reply, and the 4g network card link connectivity is determined when the reply is received.
Further, the multi-network intelligent access method comprises the following steps: the appointed interface is driven through the DHCP data packet interface, and a DHCP packet module sending mechanism is connected; when the hardware access response of the network port is driven through the Ethernet, response information is sent to the kernel, the kernel receives the message and sends a DHCP discover packet through a trigger request, and if the upper router can respond to the information, the link is a passage; when the upper router is accessed through wireless Wi-Fi, after the wireless driver receives the wireless data packet association flow, the wireless driver sends a DHCP discovery packet to the upper router, and if the upper router can respond to the information, the link is a passage. When the Ethernet, the wireless Wi-Fi and the 4G video network card are all accessible, the cyclic detection is carried out by priority access until an upper network can be communicated; when the networking mode with higher priority is accessed in the middle, the transmission message is driven to re-detect the polling mechanism, and the switching is performed to the networking mode with higher priority.
Further, the intelligent multi-network access method intelligently selects the Ethernet and the Wi-Fi to access, wherein the intelligent multi-network access method comprises the steps that the Ethernet and/or the Wi-Fi access mode can be realized at present, a DHCP detection packet is used for detecting a channel, a DHCP discovery data packet request is constructed, the DHCP detection data packet is sent according to an interface corresponding to an access type, if an upper router replies with the DHCP offer data packet, the access type is indicated to form the channel, the access type is recorded, the next interaction mode of the DHCP is continued, and therefore the automatic acquisition of the IP address is completed.
The invention relates to a video base station multi-network intelligent access method, which comprises the steps that under the condition of a plurality of connection network modes including a wired Ethernet, a wireless Wi-Fi mode and a 4G network card, the priority of the access network mode is sequentially from high to low, the wired Ethernet, the wireless Wi-Fi and the 4G network card, a video base station respectively detects the triggering of preset configuration of the network card, the wireless interface connection and the 4G network card, when the video base station has a wired access router, an Ethernet router and a wireless Wi-Fi access router respectively, the video base station sends a DHCP (Dynamic Host Configuration protocol. Dynamic host configuration protocol) packet detection interface and link communication detection, and the DHCP packet mode is sent to dynamically acquire an IP address distributed by the router; and when the 4G network card is accessed, the preset network card information is used for surfing the Internet, so that various access modes are realized. Because the video base station can automatically select the best transmission network when a plurality of connection network access side links exist, the possible conflict phenomenon of the network is avoided, and the stability and the reliability of the links are improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the following brief description will be given of the drawings required for the description of the embodiments or the prior art, it being apparent that the drawings in the description only illustrate certain embodiments of the invention and should not be construed as limiting the scope, and that other relevant drawings can be obtained from these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic diagram of a link topology of an existing video base station access network.
Fig. 2 is a network level schematic.
Fig. 3 is a schematic diagram of a video base station access network flow.
Fig. 4 is a schematic diagram of a DHCP auto-get IP flow.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The claims hereof are to be read in further detail with reference to specific embodiments and to the accompanying drawings, in which the embodiments described are only some, but not all embodiments of the invention. Based on the embodiments of the present invention, one of ordinary skill in the art would be able to devise all other embodiments that are obtained without inventive effort and that are within the scope of the present invention.
It should be understood that, in the embodiments of the present invention, all directional terms, such as "upper", "lower", "left", "right", "front", "rear", etc., are used for convenience in describing the present invention only and are not intended to be limiting, since the directional terms, such as "upper", "lower", "left", "right", "front", "rear", etc., are based on the orientation, positional relationship shown in the drawings or the orientation or positional relationship in which the inventive product is conventionally put in use. Merely to explain the relative positional relationship, movement, etc. between the components shown in the drawings, the directional indication may be changed when the specific posture is changed.
Furthermore, ordinal words such as "first," "second," and the like in the description of the present invention are used for distinguishing purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of technical features indicated. The features defining "first", "second" may be explicit or implicit and at least one of the features. In the description of the present invention, the meaning of "plurality" means at least two, i.e., two or more, unless otherwise specifically defined; the meaning of "at least one" is one or more.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly, and may, for example, be defined as having a relatively fixed positional relationship between components, as having a physically fixed connection between components, as being detachably connected, or as a unitary structure; the connection can be mechanical connection or electric signal connection; can be directly connected or indirectly connected through intermediate media or components; the communication between two elements or the interaction relationship between two elements is not limited by the specification, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances except that the corresponding function or effect cannot be achieved when other understanding is made.
The controller, control circuit, etc. to which the present invention may relate are conventional control techniques or units for those skilled in the art, and the control circuit of the controller may be implemented by those skilled in the art using existing techniques, such as simple programming. The software or program for realizing the control result in cooperation with the hardware is used as the conventional technology of the prior art or the person skilled in the art if the description does not show the control process of the related software or program in detail. The power supply also adopts the prior art in the field, and the main technical point of the invention is to improve the mechanical device, so the invention does not describe specific circuit control relation and circuit connection in detail.
As shown in fig. 2-3, the present invention provides an embodiment of a multi-network intelligent access method for a video base station.
The video base station multi-network intelligent access method comprises the steps that under the condition that a plurality of connection network modes including a wired Ethernet, a wireless Wi-Fi mode and a 4G network card exist, the priority of the access network mode is sequentially from high to low, the wired Ethernet, the wireless Wi-Fi mode and the 4G network card are adopted, the video base station respectively detects the triggering of preset configuration of the network card, the wireless interface connection and the 4G network card, the GPIO level is changed when the wired Ethernet is accessed, the bus sends data to the CPU, the CPU loads corresponding driving to the probe which sends instructions to the kernel, and therefore the access mode corresponding to the interface of that type is known to be triggered for use. When a wired Ethernet and a wireless Wi-Fi access router exist in a video base station, the video base station sends a DHCP (Dynamic Host Configuration Protocol ) packet detection interface and link connectivity detection, and a DHCP packet sending mode adopts a dynamic IP address distributed by the router; and when the 4G network card is accessed, the preset network card information is used for surfing the Internet, so that various access modes are realized.
Specifically, the video base station sends a DHCP detection packet detection interface, the video base station detection interface sends the DHCP detection packet to the wireless interface and the Ethernet interface through the constructed DHCP detection packet, when the two interfaces do not reply, a ping packet is constructed to send a 4g network card interface, the DHCP detection packet or the ping packet is sent to the three interfaces in a polling way until at least one of the interfaces replies, and the access mode of the replied interfaces is determined to be connected. If the DHCP discovery packet is constructed, the DHCP probe packet is sent to each interface, such as wifi0 (wireless interface), etc 0 (ethernet interface), and when it is detected which interface has a reply DHCP offer packet, then the corresponding access mode is adopted.
And the link connectivity detection adopts the steps of sending a DHCP detection packet to each interface and detecting whether to reply the DHCP offer packet, and when the DHCP offer packet is received, the interface link with the reply of the DHCP offer packet is received.
The dynamically obtaining the IP address allocated by the router comprises the following steps:
searching a DHCP server in the local area network, and when the video base station finds that the local IP address is not set, sending DHCP detection packet discovery information to 255.255.255.255 in a broadcasting mode to search the DHCP server;
distributing IP addresses, responding to a DHCP server which receives the discovery information of the DHCP detection packet from the upper-level equipment connected with the video base station, selecting one from a pool of unassigned IP addresses, distributing the one to the video base station, and sending a DHCP refer message containing the distributed IP addresses, DNS addresses, gateways and masks to the video base station;
after receiving the IP address and the DHCP offer information, the video base station replies a DHCP request message containing the IP address content distributed to the selected DHCP server in a broadcasting mode;
and after receiving the DHCP request information replied by the video base station, the upper-level equipment of the video base station confirms that the video base station can use the IP address of which the selected address is not allocated in the address pool.
And transmitting response information to the kernel through the hardware access response of the Ethernet drive network port, wherein the kernel receives the message and requests a data packet by triggering the transmission of a DHCP discovery packet, the time interval is 10 packets per second, and if the superior router can respond to the information, the link is a channel. Similarly, the upper router is accessed through wireless Wi-Fi, after the wireless drive receives the wireless data packet association flow, the DHCP discovery packet is sent to the upper router, and if the upper router can respond to the information, the link is a channel. Otherwise, if not, the network access is circularly detected through the priority Ethernet access, wi-Fi access and 4G video network card access until one can be communicated with the upper network, as shown in figure 3. And if the networking mode with higher priority is accessed in the middle, driving the message sending to re-detect the polling mechanism, and switching to the networking mode with higher priority. And the intelligent switching access network is realized.
When the hardware of the Ethernet drive network port is accessed to respond, response information is sent to the kernel, the kernel receives the message and requests a data packet by triggering to send a DHCP discovery packet, and if the upper router can respond to the information, the link is a passage; when the upper router is accessed through wireless Wi-Fi, after the wireless driver receives the wireless data packet association flow, the wireless driver sends a DHCP discovery packet to the upper router, and if the upper router can respond to the information, the link is a passage. When the Ethernet, the wireless Wi-Fi and the 4G video network card are all accessible, the cyclic detection is carried out by priority access until an upper network can be communicated; when the networking mode with higher priority is accessed in the middle, the transmission message is driven to re-detect the polling mechanism, and the switching is performed to the networking mode with higher priority.
As shown in fig. 4, the DHCP access mode of ethernet and Wi-Fi is intelligently selected.
When the Ethernet mode of the current access mode or the wireless Wi-Fi access mode or both exist, the detection module can perform detection access, as shown in fig. 4, a DHCP discovery data packet request is constructed, the detection DHCP discovery data packet is sent according to an interface corresponding to the access type, if the superior router replies with the DHCP offer data packet, the access type is indicated to form an access, the access type is recorded, the next interaction mode of the DHCP is continued, and therefore automatic acquisition of the IP address is completed.
The intelligent multi-network access method intelligently selects the DHCP access of the Ethernet and the Wi-Fi and comprises the steps that the Ethernet and/or the Wi-Fi access mode can be realized at present, a DHCP detection packet is used for detecting a path, a DHCP discovery packet is sent, whether the DHCP offer packet is replied or not is detected to detect the connectivity of the wired Ethernet and the Wi-Fi, and a 4g network card is used for detecting the connectivity of an interface and the access mode by using a ping packet. If the DHCP discovery data packet request is constructed, sending a detection DHCP discovery data packet according to an interface corresponding to the access type, if the superior router replies the DHCP offer data packet, indicating that the access type has formed a path, recording the access type and continuing the next interaction mode of the DHCP, thereby completing the automatic acquisition of the IP address.
When the wireless Wi-Fi and 4G wireless traffic network card access method is used, the device detects the connection driving mode and starts the polling detection Ethernet when a plurality of access links connected with the network side exist, such as a wired Ethernet, at least two access modes of the wireless Wi-Fi and 4G wireless traffic network card access are selected automatically, the detection packets are sent sequentially and according to time in the mode of the interfaces of the wireless Wi-Fi and 4G wireless traffic network card, the running program state can know when a user accesses the upper device in what access mode, and finally the connection with the network can be realized. ) When the video base station is accessed by using a wired Ethernet and a wireless Wi-Fi mode in a priority mode, a DHCP discovery interface is firstly constructed and sent to a polling interface, and the interactive handshake flow of the DHCP is continuously completed, so that the automatic allocation of the IP address is realized. And if the network interface is in the 4G wireless flow network card mode, constructing a detection path of the ping packet for the link. If the superior device replies a response packet (DHCP or ping packet), the connection with the superior device in a networking mode is completed. When the network access mode with higher priority is accessed in the use process, the network access mode is switched to the access mode with higher priority, the device returns to the mode of detecting the driving connection and starts the polling detection priority mode, if other devices are detected to be added or disconnected, the device returns to the mode of detecting the driving connection and starts the polling detection priority mode. Because the optimal transmission network can be automatically selected, the possible collision phenomenon of the network is avoided, and the stability and the reliability of the link are improved.
When the video base station equipment is accessed by using a wired Ethernet and a wireless Wi-Fi mode, a DHCP discovery interface is firstly constructed and sent to a polling interface, and the interactive handshake flow of the DHCP is continuously completed, so that the automatic allocation of the IP address is realized. And if the network interface is in the 4G wireless flow network card mode, constructing a detection path of the ping packet for the link. If the superior device replies a response packet (DHCP or ping packet), the connection with the superior device in a networking mode is completed. When the network access mode with higher priority is accessed in the use process, the network access mode is switched to the access mode with higher priority, the device returns to the mode of detecting the driving connection and starts the polling detection priority mode, if other devices are detected to be added or disconnected, the device returns to the mode of detecting the driving connection and starts the polling detection priority mode.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be replaced with other technical solutions, which may not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A video base station multi-network intelligent access method comprises the steps that under the condition that a plurality of connection network modes including a wired Ethernet, a wireless Wi-Fi mode and a 4G network card exist, the priority of the access network mode is sequentially from high to low, the wired Ethernet, the wireless Wi-Fi and the 4G network card are sequentially selected, a video base station respectively detects the triggering of preset configuration of the network card, the wireless interface connection and the 4G network card, when the video base station respectively has a wired Ethernet access router and a wireless Wi-Fi access router, the video base station sends a DHCP detection packet detection interface and link connectivity detection, and sends a DHCP detection packet mode to dynamically acquire an IP address distributed by the router; and when the 4G network card is accessed, the preset network card information is used for surfing the Internet, so that various access modes are realized.
2. The method for intelligent access to multiple networks of a video base station according to claim 1, wherein the dynamically acquiring the IP address allocated by the router comprises:
searching a DHCP server in the local area network, and when the video base station finds that the local IP address is not set, sending DHCP detection packet discovery information to 255.255.255.255 in a broadcasting mode to search the DHCP server;
distributing IP addresses, responding to a DHCP server which receives the discovery information of the DHCP detection packet from the upper-level equipment connected with the video base station, selecting one from a pool of unassigned IP addresses, distributing the one to the video base station, and sending a DHCP refer message containing the distributed IP addresses, DNS addresses, gateways and masks to the video base station;
after receiving the IP address and the DHCP offer information, the video base station replies a DHCP request message containing the IP address content distributed to the selected DHCP server in a broadcasting mode;
and after receiving the DHCP request information replied by the video base station, the upper-level equipment of the video base station confirms that the video base station can use the IP address of which the selected address is not allocated in the address pool.
3. The method for intelligent access of multiple networks in video base station according to claim 1, wherein the video base station probe interface includes sending DHCP probe packet to wireless interface and ethernet interface through constructed DHCP probe packet, when two interfaces do not reply, constructing ping packet to send 4g network card interface, polling to send DHCP probe packet or ping packet to three interfaces until at least one of the interfaces replies, and determining that the access mode of the replied interfaces is connected.
4. A method for intelligent access to multiple networks in a video base station according to claim 3, wherein the link connectivity probe uses an interface link connection that sends a DHCP probe packet to each interface and detects whether to reply to the DHCP offer packet, and when the DHCP offer packet is received, the DHCP offer packet is received.
5. The method for intelligent access to multiple networks of video base stations according to claim 1 or 4, wherein the link connectivity probe of the 4g network card uses whether the constructed ping packet has a reply to determine the link connectivity, and the link connectivity of the 4g network card is determined when the reply is received.
6. The method for intelligent access of multiple networks of video base station according to claim 1, wherein when the video base station uses wired Ethernet and wireless Wi-Fi to access, a DHCP discovery interface is firstly constructed and sent to the polled interface, and the DHCP interaction handshake process is continuously completed, so that the IP address is automatically allocated; if the network interface is in the 4G wireless flow network interface card mode, a detection path of a ping packet for a link is constructed; when the superior device replies a response packet, the connection with the superior device in a networking mode is completed; when the network access mode with higher priority is accessed in the use process, the network access mode is switched to the access mode with higher priority, the network access mode returns to the mode that the video base station detects the driving connection, the polling detection priority mode is started, other video base stations are detected to be added or disconnected, and the network access mode returns to the mode that the video base station detects the driving connection and the polling detection priority mode is started.
7. The video base station multi-network intelligent access method according to claim 1, wherein the intelligent access method comprises: a driving interface is appointed through a data packet message interface, and a packet sending module mechanism is connected; when the hardware of the Ethernet drive network port is accessed to respond, response information is sent to the kernel, the kernel receives the message and requests a data packet by triggering to send a DHCP discovery packet, and if the upper router can respond to the information, the link is a passage; when the upper router is accessed through wireless Wi-Fi, after the wireless driver receives the wireless data packet association flow, the wireless driver sends a DHCP discovery packet to the upper router, and if the upper router can respond to the information, the link is a passage. When the Ethernet, the wireless Wi-Fi and the 4G video network card are all accessible, the cyclic detection is carried out by priority access until an upper network can be communicated; when the networking mode with higher priority is accessed in the middle, the transmission message is driven to re-detect the polling mechanism, and the switching is performed to the networking mode with higher priority.
8. The intelligent selecting system for accessing multiple networks to a video base station according to claim 6 or 7, wherein the intelligent selecting method for accessing multiple networks to an ethernet network and a Wi-Fi DHCP includes that a current ethernet network and/or a wireless Wi-Fi network access network is selected, a DHCP probe packet is used for probing a path, a DHCP discovery packet request is constructed, a DHCP discovery packet is sent according to an interface corresponding to an access type, when an upper router replies to the DHCP offer packet, the access type is described as having formed a path, the access type is recorded, and a subsequent interaction mode of DHCP is continued, thereby completing automatic acquisition of an IP address.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117651123A (en) * | 2024-01-30 | 2024-03-05 | 深圳市瀚晖威视科技有限公司 | Multi-path video stream processing method and system based on camera |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117651123A (en) * | 2024-01-30 | 2024-03-05 | 深圳市瀚晖威视科技有限公司 | Multi-path video stream processing method and system based on camera |
| CN117651123B (en) * | 2024-01-30 | 2024-04-05 | 深圳市瀚晖威视科技有限公司 | Multi-path video stream processing method and system based on camera |
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