CN113905050B - Method, device and system for detecting internet access information - Google Patents
Method, device and system for detecting internet access information Download PDFInfo
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- CN113905050B CN113905050B CN202111003164.6A CN202111003164A CN113905050B CN 113905050 B CN113905050 B CN 113905050B CN 202111003164 A CN202111003164 A CN 202111003164A CN 113905050 B CN113905050 B CN 113905050B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1036—Load balancing of requests to servers for services different from user content provisioning, e.g. load balancing across domain name servers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a method, a device and a system for detecting internet access information. The method comprises the following steps: when any communication device supporting the network detection result sharing mechanism in the local area network is powered on, judging whether other communication devices supporting the network detection result sharing mechanism exist in the local area network. If the network detection result sharing mechanism exists, each communication device supporting the network detection result sharing mechanism executes a master communication device confirmation operation to confirm that one communication device is used as a master communication device and other communication devices are used as slave communication devices; the main communication equipment executes the operation of detecting the Internet access information according to a preset detection period and generates a network detection result; the master communication device broadcasts the network probe result to cause the slave communication device in the local area network to receive the network probe result. By adopting the method and the device, the network resources in the process of detecting the internet access information by the communication equipment can be effectively saved, and the load pressure of the domain name of the server is reduced.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, and a system for detecting an internet access result.
Background
With the rapid development of internet technology, many communication products, such as PCs, notebook computers, mobile phones, domestic optical cats, routers, etc., need to connect to a network to access the internet. In order to facilitate the user to know whether the device is currently connected to the internet, the current internet access condition of the device needs to be displayed at any time. Most of the current communication devices send a query request to a certain server domain name according to a fixed time, so as to detect current internet access information, and display detection results on a user interface.
However, the inventors found that the prior art has at least the following problems: when there are a large number of communication devices sending query requests to the same server domain name, a huge load is easily imposed on that particular server. Even when the server receives a large number of identical request packets, the server is easy to generate misjudgment, and is considered to be attacked to influence the normal operation of the server.
Disclosure of Invention
The embodiment of the invention aims to provide a method, a device and a system for detecting internet access information, which can effectively save network resources in the process of detecting the internet access information by communication equipment and reduce the load pressure of a server domain name.
To achieve the above object, an embodiment of the present invention provides a method for detecting internet access information, including:
when any communication equipment in a local area network is powered on, if any communication equipment supports a network detection result sharing mechanism, the any communication equipment judges whether other communication equipment supporting the network detection result sharing mechanism exists in the local area network;
when other communication devices supporting the network detection result sharing mechanism exist in the local area network, each communication device supporting the network detection result sharing mechanism executes a master communication device confirmation operation to confirm that one communication device is used as a master communication device and other communication devices are used as slave communication devices;
the main communication equipment executes the operation of detecting the Internet access information according to a preset detection period and generates a network detection result;
the master communication device broadcasts the network probe result to cause the slave communication device in the local area network to receive the network probe result.
In a preferred embodiment, the determining, by any one of the communication devices, whether there are other communication devices supporting a network probe result sharing mechanism in the local area network specifically includes:
The network type detection data packet is used for enabling other communication devices supporting a network detection result sharing mechanism in the local area network to return a first reply data packet when receiving the network type detection data packet;
judging whether a first reply data packet returned by other communication equipment is received within a first preset time length;
if yes, determining that other communication equipment supporting a network detection result sharing mechanism exists in the local area network; if not, determining that the local area network does not have other communication equipment supporting a network detection result sharing mechanism.
As a preferred embodiment, when there are other communication devices supporting the network probe result sharing mechanism in the local area network, each of the communication devices supporting the network probe result sharing mechanism performs a master communication device confirmation operation to confirm that one communication device is used as a master communication device, and the other communication devices are used as slave communication devices, which specifically includes:
when the local area network has other communication equipment supporting a network detection result sharing mechanism, any communication broadcasts an inquiry data packet; the inquiry data packet is used for enabling the main communication equipment in the local area network to return a second reply data packet when receiving the inquiry data packet;
Judging whether a second reply data packet returned by the main communication equipment is received within a second preset time length;
if yes, confirming that the master communication equipment exists in the local area network currently, and determining any communication equipment to be slave communication equipment;
if not, each communication device supporting the network detection result sharing mechanism executes the master communication device selecting operation to select one communication device as the master communication device and the other communication devices as the slave communication devices.
In a preferred embodiment, when there are other communication devices supporting the network probe result sharing mechanism in the local area network, each of the communication devices supporting the network probe result sharing mechanism performs a master communication device confirmation operation to confirm a communication device as a master communication device and other communication devices as slave communication devices, and after that, the method further includes:
the master communication device periodically broadcasts keep-alive data packets so that the slave communication device receives the keep-alive data packets;
and when the slave communication equipment does not receive the keep-alive data packet in a third preset time period, each communication equipment supporting the network detection result sharing mechanism executes a master communication equipment selecting operation so as to select one communication equipment as the master communication equipment and other communication equipment as the slave communication equipment.
As a preferred embodiment, the main communication device selecting operation specifically includes:
each communication device participating in the main communication device selecting operation broadcasts selecting data packets in each preset selecting period and receives selecting data packets sent by other communication devices participating in the main communication device selecting operation;
if the communication equipment participating in the selection operation of the master communication equipment receives the selection data packet sent by other communication equipment before broadcasting the selection data packet in the current selection period, the master communication equipment selection operation is exited, and the communication equipment is determined to be the slave communication equipment;
and if the communication equipment participating in the push operation of the master communication equipment broadcasts the push data packet in the current push period and does not receive the push data packet sent by other communication equipment, determining the communication equipment as the master communication equipment.
As a preferred embodiment, the method further comprises:
and during the execution of the main communication equipment selecting operation, each communication equipment executes the corresponding operation of detecting the Internet access information according to the detection requirement type of the communication equipment.
As a preferred embodiment, the method further comprises:
When any communication equipment in the local area network is powered on, if the any communication equipment does not support a network detection result sharing mechanism, the any communication equipment executes corresponding operation for detecting internet access information according to the detection requirement type of the any communication equipment.
As a preferred embodiment, when any communication device in the local area network is powered on, if the any communication device supports a network probe result sharing mechanism, the method further includes, after the any communication device determines whether there are other communication devices in the local area network that support the network probe result sharing mechanism:
when no other communication equipment supporting the network detection result sharing mechanism exists in the local area network, any communication equipment executes corresponding operation of detecting the Internet access information according to the detection requirement type of the communication equipment.
As a preferred embodiment, the probe requirement types include a first probe requirement type requiring continuous display of current internet access information and a second probe requirement type not requiring continuous display of current internet access information;
the operation of detecting the internet access information according to the detection requirement type of the user is executed, and the operation specifically comprises the following steps:
When the communication equipment is of a first detection requirement type, the communication equipment executes the operation of detecting internet access information according to a preset detection period;
and when the communication equipment is of the second detection requirement type, judging whether the current network detection opportunity accords with the preset network detection opportunity, and executing the operation of detecting the Internet access information when the current network detection opportunity accords with the preset network detection opportunity.
As a preferred embodiment, the preset network probing opportunity includes at least one of the following: the communication device receives an access request of a terminal user to a management interface, the communication device receives an operation request of the terminal user, or the communication device itself has a requirement of accessing a network.
As a preferred embodiment, the performing an operation of detecting internet access information specifically includes:
acquiring a preset server domain name list; wherein, the server domain name list comprises at least one domain name of a server;
according to the arrangement sequence of the domain names of each server in the preset server domain name list, network detection is sequentially carried out on each server so as to obtain a network detection result of each server; the network detection result comprises detection success and detection failure;
When the network detection result of any server is successful, returning internet access information accessible to the current internet;
and when the network detection result of the continuous existence of the preset number of servers is detection failure, returning the internet access information which is inaccessible to the current internet.
In a preferred embodiment, the performing network probing to each server in turn to obtain a network probing result of each server specifically includes:
sending a detection request packet to each server in turn;
when a detection reply packet returned by the server is received within a preset time length, obtaining a network detection result of the server as successful detection;
and when the detection reply packet returned by the server is not received within a preset time length, obtaining a network detection result of the server as detection failure.
As a preferred embodiment, the performing an operation of detecting internet access information further includes:
updating the arrangement sequence of the domain names of each server in the preset server domain name list;
the updating of the arrangement sequence of the domain names of each server in the preset server domain name list specifically comprises the following steps:
Acquiring the actual detection duration of the server with successful detection as each network detection result, and acquiring the detection duration of the server with successful detection as each network detection result;
taking the preset virtual detection duration as the detection duration of the server with the detection failure as the detection result of each network; the preset virtual detection time length is longer than the maximum actual detection time length;
and updating the arrangement sequence of the domain names of each server in the server domain name list according to the sequence of the detection duration from small to large.
As a preferred embodiment, the acquiring a preset server domain name list specifically includes:
and sending the product serial number of the communication equipment and the country code of the country to a cloud server, so that the cloud server returns a server domain name list corresponding to the country code of the country to which the communication equipment corresponds to the product serial number according to the corresponding relation between different prestored country codes and the server domain name list.
The embodiment of the invention also provides a detection device of the internet access information, which comprises a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, wherein the detection method of the internet access information is realized when the processor executes the computer program.
The embodiment of the invention also provides a detection system of the Internet access information, which comprises at least one communication device and a detection device of the Internet access information connected with the communication device;
the internet access information detection device performs the internet access information detection method according to any one of the above.
Compared with the prior art, the detection method, the device and the system for the internet access information disclosed by the embodiment of the invention have the advantages that when any communication device in the local area network is powered on, if the communication device supports the network detection result sharing mechanism, when judging that other communication devices supporting the network detection result sharing mechanism exist in the current local area network, each communication device supporting the network detection result sharing mechanism executes the master communication device confirmation operation to confirm that one communication device is used as the master communication device and the other communication devices are used as the slave communication devices. And the master communication device further executes the operation of detecting the Internet access information according to a preset detection period, generates a network detection result, and broadcasts the network detection result to the slave communication devices in the local area network. By adopting the technical means of the embodiment of the invention, the detection of the Internet access information is carried out by selecting one master communication device, other slave communication devices do not need to execute detection operation, and only the detection result of the master communication device is required to be waited, so that the situation that a large number of communication devices simultaneously execute the detection operation of the Internet access information, so that a large number of communication devices send inquiry requests to the same server domain name and cause huge load to the specific server can be effectively avoided, network resources in the process of detecting the Internet access information by the communication devices are effectively saved, and meanwhile, the load pressure of the server domain name is reduced.
Drawings
Fig. 1 is a flow chart of a method for detecting internet access information according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a local area network in accordance with an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an internet access information detecting device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an internet access information detection system according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a flowchart of a method for detecting internet access information according to an embodiment of the present invention is shown. The method for detecting the Internet access information provided by the embodiment of the invention is executed by each communication device in the local area network or a control module configured inside the communication device. The embodiment of the invention takes the communication equipment as an execution main body for explanation.
The method for detecting the Internet access information specifically comprises the following steps S1 to S4:
s1, when any communication equipment in a local area network is powered on, if any communication equipment supports a network detection result sharing mechanism, the any communication equipment judges whether other communication equipment supporting the network detection result sharing mechanism exists in the local area network.
Referring to fig. 2, a schematic diagram of a lan according to an embodiment of the present invention is shown. In a local area network, a plurality of communication devices may exist in a power-on and communication state at the same time, and each communication device is connected and interacted with a local area network gateway to realize internet communication.
Typically, each communication device has the function of independently probing network connectivity, i.e. performing the operation of probing internet access information. In an embodiment of the present invention, each communication device may be further configured as a communication device supporting a network probe result sharing mechanism. The network probe result sharing mechanism refers to a mechanism capable of sharing a network probe result obtained after performing an operation of internet access information to other communication devices.
It should be noted that, whether the communication device supports the network detection result sharing mechanism is preset, for example, before the product is on line, the communication device can be designated by an engineer during programming, and can be adjusted and set according to the actual requirement of the user during the application process of the product, so that the beneficial effects obtained by the invention are not affected.
Specifically, if any communication device a in the local area network is configured to support the network probe result sharing mechanism, after the communication device a is powered on, the communication device a performs information interaction with other communication devices on line in the local area network, for example, by sending an inquiry data packet to request to inquire whether there are other communication devices supporting the network probe result sharing mechanism in the local area network.
As a preferred embodiment, the determining, by the any one communication device, whether there are other communication devices supporting the network probe result sharing mechanism in the local area network is specifically performed through steps S11 to S13:
and S11, broadcasting a network type detection data packet by any communication equipment, wherein the network type detection data packet is used for enabling other communication equipment supporting a network detection result sharing mechanism in the local area network to return a first reply data packet when receiving the network type detection data packet.
S12, judging whether a first reply data packet returned by other communication equipment is received within a first preset time period.
S13, if yes, determining that other communication equipment supporting a network detection result sharing mechanism exists in the local area network; if not, determining that the local area network does not have other communication equipment supporting a network detection result sharing mechanism.
Specifically, after the communication device a is powered on and started, a network type detection data packet is broadcast first, an operation field is 0x000x01, if other communication devices B supporting a network detection result sharing mechanism exist in the current local area network, after the communication device a sends out the network type detection data packet, no matter the communication device B is in a scene of applying the network detection result sharing mechanism or is not in a scene of applying the network detection result sharing mechanism, a corresponding first reply data packet is returned, and the operation field is 0x000x02 so as to inform the existence of the communication device a itself. If the communication equipment A receives a first reply data packet returned by other communication equipment B within a first preset time period, the local area network is considered to have other communication equipment B supporting a network detection result sharing mechanism; if not, the LAN is considered to have no other communication device B supporting the network probe result sharing mechanism.
It should be noted that the number of other communication devices B supporting the network probe result sharing mechanism in the lan may be plural.
Preferably, after the communication device a receives the first reply packet of any other device, it has already confirmed that the current network supports the network probing result sharing mechanism, the network type acknowledgement packet is broadcasted, the operation field is 0x000x03, so as to ignore the subsequent first reply packet, and after receiving the network type acknowledgement packet, the other communication device B will not send the first reply packet any more, so that the data interaction amount between the communication devices is saved.
And S2, when other communication devices supporting the network detection result sharing mechanism exist in the local area network, each communication device supporting the network detection result sharing mechanism executes a master communication device confirmation operation to confirm that one communication device is used as a master communication device and other communication devices are used as slave communication devices.
When the communication device a determines that other communication devices B supporting the network probe result sharing mechanism exist in the current local area network, each communication device supporting the network probe result sharing mechanism, that is, the communication device a and the other communication devices B execute a master communication device confirmation operation together, and confirm that one communication device is used as a master communication device and the other communication devices are used as slave communication devices through a preset master communication device confirmation rule.
For example, after the master communication device confirmation operation is performed, the communication device a is determined to be the master communication device, and then the other communication devices B supporting the network probe result sharing mechanism are determined to be the slave communication devices.
And S3, the main communication equipment executes the operation of detecting the Internet access information according to a preset detection period and generates a network detection result.
And S4, the master communication equipment broadcasts the network detection result so that the slave communication equipment in the local area network receives the network detection result.
Each communication device is clear of its own identity and executes the program instructions corresponding to that identity. Specifically, the main communication device performs an operation of detecting internet access information according to a preset detection period, generates a network detection result, and displays the detection result on a user interface according to requirements. The network probe results include network probe results that are currently internet-accessible or that are not currently internet-accessible.
And the master communication device also needs to broadcast the network detection result in the local area network, wherein an operation field is 0x03, if the current internet is accessible, a corresponding operation field is 0x030x01, and if the current internet is inaccessible, a corresponding operation field is 0x030x02 so as to be shared with each slave communication device in the local area network. The slave communication equipment does not perform the operation of detecting the Internet access information any more, only needs to receive the network detection result sent by the master communication equipment after receiving each detection period, and displays the detection result on the user interface according to the requirement.
Preferably, the master communication device may also be configured to broadcast the current network detection result when the network detection result detected in the current detection period is different from the network detection result detected in the previous detection period, so that the slave communication device updates the previously received network detection result, thereby saving the data interaction amount between the communication devices.
The embodiment of the invention provides a detection method of internet access information, when any communication device in a local area network is powered on, if the communication device supports a network detection result sharing mechanism, when it is determined that other communication devices supporting the network detection result sharing mechanism exist in the local area network currently, each communication device supporting the network detection result sharing mechanism executes a master communication device confirmation operation to confirm that one communication device is used as a master communication device and other communication devices are used as slave communication devices. And the master communication device further executes the operation of detecting the Internet access information according to a preset detection period, generates a network detection result, and broadcasts the network detection result to the slave communication devices in the local area network. By adopting the technical means of the embodiment of the invention, the detection of the Internet access information is carried out by selecting one master communication device, other slave communication devices do not need to execute detection operation, and only the detection result of the master communication device is required to be waited, so that the situation that a large number of communication devices simultaneously execute the detection operation of the Internet access information, so that a large number of communication devices send inquiry requests to the same server domain name and cause huge load to the specific server can be effectively avoided, network resources in the process of detecting the Internet access information by the communication devices are effectively saved, and meanwhile, the load pressure of the server domain name is reduced.
As a preferred embodiment, step S2 specifically includes steps S21 to S24 on the basis of the above examples:
s21, when other communication equipment supporting a network detection result sharing mechanism exists in the local area network, any communication broadcasts an inquiry data packet; the inquiry data packet is used for enabling the main communication equipment in the local area network to return a second reply data packet when receiving the inquiry data packet;
s22, judging whether a second reply data packet returned by the main communication equipment is received within a second preset time length;
s23, if yes, confirming that a master communication device exists in the local area network currently, and determining that any communication device is a slave communication device;
and S24, if not, each communication device supporting the network detection result sharing mechanism executes a master communication device selecting operation to select one communication device as a master communication device and other communication devices as slave communication devices.
After determining that there are other communication devices B supporting the network probe result sharing mechanism in the current lan, the any one communication device a needs to determine whether the other communication device B is executing the network probe result sharing mechanism, that is, whether a master communication device is already confirmed for sharing the network probe result. Specifically, the communication device a broadcasts an inquiry packet, and the operation field is 0x010x01. If the main communication device exists in the current local area network, the main communication device returns a second reply data packet after receiving the query data packet, and the operation field is 0x010x02. And if the communication equipment A receives a second reply data packet returned by the master communication equipment within a second preset time period, confirming that the master communication equipment exists in the local area network currently, determining the communication equipment A as slave communication equipment, executing a program instruction of the slave communication equipment and waiting for receiving a network detection result shared by the master communication equipment. And if the communication equipment A does not receive the second reply data packet within the second preset time period, the communication equipment A considers that no master communication equipment exists in the local area network currently, and each communication equipment supporting the network detection result sharing mechanism, namely the communication equipment A and other communication equipment B jointly execute the master communication equipment selecting operation, so that one communication equipment is selected as the master communication equipment, and the other communication equipment is selected as the slave communication equipment.
Preferably, after the communication device a broadcasts the query packet, if a master communication device exists in the current local area network, the master communication device returns a second reply packet after receiving the query packet, and returns a current network detection result at the same time, so that the communication device a receives the network detection result and displays the detection result on a user interface according to requirements.
By adopting the technical means of the embodiment of the invention, after the communication equipment is powered on, the inquiry of the main communication equipment is firstly carried out, and when no main communication equipment is determined, the selection operation of the main communication equipment is carried out, so that the repeated execution of the selection operation of the main communication equipment can be avoided, the data interaction quantity among the equipment is increased, and the redundancy of a communication system is increased.
As a preferred embodiment, the main communication device selecting operation specifically includes steps S241 to S243:
s241, broadcasting a selection data packet in each preset selection period by each communication device participating in the selection operation of the main communication device, and receiving the selection data packets sent by other communication devices participating in the selection operation of the main communication device;
s242, if the communication equipment participating in the selection operation of the master communication equipment receives the selection data packet sent by other communication equipment before broadcasting the selection data packet in the current selection period, the master communication equipment is exited from the selection operation, and the communication equipment is determined to be the slave communication equipment;
And S243, if the communication equipment participating in the push operation of the main communication equipment broadcasts the push data packet in the current push period and does not receive the push data packet sent by other communication equipment, determining the communication equipment as the main communication equipment.
Specifically, in the process of executing the master communication device push operation, each communication device C participating in the master communication device push operation needs to broadcast a push data packet in each push period, and receives push data packets sent by other communication devices participating in the master communication device push operation, where an operation field of broadcasting the push data packet of the master device is 0x020x01. In the current preset election period, if one communication device C receives an election data packet of another communication device and at this time it has not sent an own election data packet, it will no longer participate in the master communication device election operation, i.e. it automatically becomes a slave communication device. If, after one communication device C sends out its own push data packet, another communication device receives its push data packet in the current push period, then it continues to send its own push data packet again in the next push period, and so on. If one communication device C sends out its own push data packet and does not receive push data packets of other communication devices in the current push period, the device becomes the master communication device, and the master communication device push operation is performed.
Preferably, at the end of the current election cycle, each of the communication devices participating in the election operation of the primary communication device needs to wait a random time before entering the next election cycle. It should be noted that the random time is randomly generated by each communication device, and the random time waiting by different communication devices may be equal or unequal, which is not limited herein.
Preferably, the gateway product includes a LAN port and a WAN port, connecting the two networks. In some scenarios, for example, when the communication device a is a gateway product of a WAN port, in a local area network on the WAN side, the gateway product acts as a slave communication device if the gateway product participates in the master communication device selecting operation in the same way as other non-gateway products. And, the internet accessibility information acquired from the WAN side local area network master device can be synchronized to the LAN port. The communication device a is a gateway product of a LAN port, and the LAN port is forced to be a master communication device in a LAN-side LAN, because the communication device is generally connected to the LAN port in the LAN-side LAN. Therefore, the LAN port broadcasts a push packet with an operation field of 0x020x02 during the execution of the push operation of the master communication device, which indicates that the LAN port is a forced master communication device, and the other communication devices automatically become slave communication devices.
As a preferred embodiment, after step S2, i.e. after determining the master and slave communication devices in the local area network, the method further comprises steps S4 and S5:
s4, the master communication equipment broadcasts keep-alive data packets at regular time so that the slave communication equipment receives the keep-alive data packets;
and S5, when the slave communication equipment does not receive the keep-alive data packet beyond a third preset duration, each communication equipment supporting the network detection result sharing mechanism executes a master communication equipment selecting operation so as to select one communication equipment as a master communication equipment and other communication equipment as slave communication equipment.
Specifically, the master communication device broadcasts a keep-alive packet (KeepAlive packet) at intervals of, for example, 30 seconds, to indicate its presence. If the slave communication device does not receive the KeepAlive packet of the master communication device after timeout, the master communication device is considered to be separated from the current network, and the master communication device selecting operation is re-executed.
As a preferred embodiment, the method further comprises step S6:
s6, during the execution of the main communication equipment selecting operation, each communication equipment executes the corresponding operation of detecting the Internet access information according to the detection requirement type of the communication equipment.
During the execution of the primary communication device selection operation, because there may be a case that the selection process is long, and thus the primary communication device does not share the network detection result for a long time, during this period, each communication device may execute a corresponding operation of detecting internet access information with its own detection requirement type.
Specifically, the probe requirement types include a first probe requirement type requiring continuous display of current internet access information and a second probe requirement type not requiring continuous display of current internet access information.
In step S6, the operation of performing the corresponding detection of the internet access information specifically includes steps S61 to S62:
s61, when the communication equipment is of a first detection requirement type, the communication equipment executes the operation of detecting internet access information according to a preset detection period;
and S62, when the communication equipment is of the second detection requirement type, judging whether the current network detection opportunity is met, and executing the operation of detecting the Internet access information when the current network detection opportunity is met.
In the embodiment of the invention, the detection requirement type of the communication equipment is preset, and the detection requirement type is specified by an engineer when programming. For example, the product form of a device is fixed at the time of design, for example, a mobile phone is designed to be produced, and a router is designed to be produced. Then correspondingly, the software developer knows what product software he develops, and then he can set the device to detect the internet accessibility at fixed time or detect the network when the network detection opportunity is met according to the product form, and the device only needs to execute corresponding detection operation according to the network detection type of the device.
The communication equipment of the second detection requirement type, which is the communication equipment not requiring continuous display of the current internet access information, comprises a PC, a mobile phone and the like, and only needs to be detected again when a user checks the accessibility of the internet; the current internet accessibility information, i.e. the communication device of the first probe requirement type, needs to be continuously displayed, including a router or the like, on which LEDs or the like indicate the current network state, so it has to be probed at regular intervals.
Preferably, the preset network probing opportunity includes at least one of the following: the communication device receives an access request of a terminal user to a management interface, the communication device receives an operation request of the terminal user, or the communication device itself has a requirement of accessing a network.
The operation request includes, for example, an operation of plugging in and out a network cable, pressing a button on the device, or the like, which can determine that the user is using the device.
By adopting the technical means of the embodiment of the invention, the communication equipment can execute the operation of detecting the Internet access information at the corresponding time according to the detection requirement, for example, the communication equipment which does not need to continuously display the current Internet access information does not need to perform network detection when the communication equipment accords with the detection opportunity, so that a large number of communication equipment can send inquiry requests to the domain name of the same server, the occurrence of huge load is caused to the specific server, and the network resource is effectively saved.
As a preferred embodiment, the method for detecting internet access information further includes step S7:
and S7, when any communication equipment in the local area network is electrified, if the any communication equipment does not support a network detection result sharing mechanism, the any communication equipment executes corresponding operation for detecting the Internet access information according to the detection requirement type of the communication equipment.
Specifically, if any communication device A in the current local area network is configured to not support a network detection result sharing mechanism, after the communication device A is powered on, according to the detection requirement type configured by the communication device A, if the communication device A is of a first detection requirement type which needs to continuously display current internet access information, executing operation of detecting the internet access information according to a preset detection period; and if the second detection requirement type of the current Internet access information does not need to be continuously displayed, executing the operation of detecting the Internet access information when the current network detection opportunity is met.
As a preferred embodiment, after step S1, the method for detecting internet access information further includes step S8:
when no other communication equipment supporting the network detection result sharing mechanism exists in the local area network, any communication equipment executes corresponding operation of detecting the Internet access information according to the detection requirement type of the communication equipment.
Specifically, if any communication device a in the current local area network is configured to support a network detection result sharing mechanism, after the communication device a is powered on, judging whether other communication devices supporting the network detection result sharing mechanism exist in the local area network, if no other communication devices supporting the network detection result sharing mechanism exist in the current local area network, the communication device a executes the operation of detecting the internet access information according to a preset detection period if the communication device a is required to continuously display the first detection requirement type of the current internet access information according to the detection requirement type configured by the communication device a; and if the second detection requirement type of the current Internet access information does not need to be continuously displayed, executing the operation of detecting the Internet access information when the current network detection opportunity is met.
As a preferred implementation manner, the embodiment of the present invention may be implemented on the basis of any one of the foregoing embodiments, where the performing an operation of detecting internet access information specifically includes steps S01 to S04:
s01, acquiring a preset server domain name list; the server domain name list comprises at least one domain name of a server.
S02, according to the arrangement sequence of the domain names of each server in the preset server domain name list, network detection is sequentially carried out on each server so as to obtain a network detection result of each server; the network detection result comprises detection success and detection failure;
and S03, returning the internet access information accessible by the current internet when the network detection result of any server is successful.
And S04, returning internet access information which is inaccessible to the current internet when the network detection result of the preset number of servers continuously exists is detection failure.
It should be noted that there are two modes of executing the operation of detecting the internet access information by the communication device, firstly, sending a DNS request to a DNS server configured for network connection, specifically: the device periodically sends a DNS query request of a domain name to the currently acquired DNS server. The queried domain name may be some public well known server domain name, such as root-servers.org, or some manufacturer's own server, such as the domain name queried by windows operating system is ctldl. And secondly, sending a ping request to a designated server, wherein the designated server can be a well-known server or a server of a manufacturer.
In either case, the communication device needs to obtain a list of server domain names for querying, which may be obtained from a particular server when the communication device is first networked, or written to the device at the time of production.
In one embodiment, the preset server domain name list is that a developer first collects domain name servers corresponding to each country, forms corresponding relations between different country codes and the server domain name list, and stores the relations in the cloud server.
In step S01, the communication device acquires a preset server domain name list, specifically: and sending the product serial number (SN code) of the communication equipment and the country code of the country to a cloud server, so that the cloud server returns a server domain name list corresponding to the country code of the country corresponding to the product serial number to the communication equipment corresponding to the product serial number according to the corresponding relation between different prestored country codes and the server domain name list. And the communication equipment stores the received server domain name list in a local storage module.
After the communication device acquires the server domain name list, the communication device uses the domain name of the server in the server domain name list to detect the internet accessibility, for example, sequentially sending the corresponding IP address of each domain name in the DNS request query list, or sending a ping request packet to the server corresponding to each domain name, so as to obtain the network detection result of each server.
Preferably, step S02 specifically includes steps S021 to S023:
s021, sending a detection request packet to each server in turn.
S022, when a detection reply packet returned by the server is received within a preset time period, obtaining a network detection result of the server as detection success.
And S023, when the detection reply packet returned by the server is not received within a preset time length, obtaining a network detection result of the server as detection failure.
And the communication equipment sequentially sends detection request packets to each server according to the arrangement sequence of the domain names of each server in the preset server domain name list so as to detect the network.
Specifically, in the probing process of a certain server, it is set that m probing request packets are sent at most in the probing process, and the time interval between every two probing request packets is respectively T1, T2, … … Tm, and c are the sending request packet counter, and the initial value is 0. The communication device sends a 1 st detection request packet, and records the time ts at the moment, and a detection request packet counter c is increased by 1; waiting for T1 seconds, if the reply is received within T1 seconds, detecting successfully, recording the time te for receiving the reply, and recording the time spent by the detection as the actual detection duration (te-ts). If no reply is received within T1 seconds, a 2 nd detection request packet is sent, and a request packet counter c is increased by 1; waiting for T2 seconds, if the reply is received within T2 seconds, detecting successfully, recording the time te for receiving the reply, and recording the time spent by the detection as the actual detection duration (te-ts). If no reply is received within T2 seconds, continuing to send a detection request packet, and so on, and if no reply packet is received after the mth request packet is sent and the waiting time is Tm seconds, considering that the detection is failed; otherwise, the detection is considered successful as long as the reply packet is received, and the detection time (te-ts) is recorded.
If a detection of a domain name fails, the next domain name is detected in sequence by temporarily recording. And when the network detection result of any server is successful, returning the internet access information accessible to the current internet. And when the network detection result of the continuous existence of the server with a preset number (k, for example) is detection failure, returning the internet access information which is inaccessible to the current internet.
The preset number k is a positive integer, which may be set according to actual situations, and is not limited herein.
Preferably, the operation of detecting internet access information further includes step S05:
s05, updating the arrangement sequence of the domain names of each server in the preset server domain name list.
Specifically, step S05 includes steps S051 to S053:
s051, obtaining the actual detection duration of the server with successful detection as each network detection result, and obtaining the detection duration of the server with successful detection as each network detection result.
S052, taking the preset virtual detection duration as the detection duration of the server with the detection failure as the detection result of each network; the preset virtual detection time length is longer than the maximum actual detection time length.
S053, updating the arrangement sequence of the domain names of each server in the server domain name list according to the sequence of the detection duration from small to large.
Specifically, the communication device sequentially sends a detection request packet to all the servers in the server domain name list, performs network detection for multiple rounds (for example, m rounds), and simultaneously records the actual average detection time and the total detection times of each domain name, namely the times of traversal, and the times of detection failure.
The actual average detection time calculation method comprises the following steps:
when a domain name is detected for the first time, the total detection times N of the domain name before detection is started are 0 times, the actual average detection time T is 0 seconds, and the detection failure times F are 0 times. Assuming that when a domain name is detected for the nth time, the detection times of the domain name before the detection is started for the nth time are (n-1), and the actual average detection time is T n-1 Second, this time the detection time is t n Second, the total detection times of the domain name after the detection is n=n, and the actual average detection time is: t= (T n-1 X (N-1) +tn)/N seconds.
Every time all domains are traversed, all domains will be reordered from small to large according to the actual average probe time for each domain. If a detection of a domain name fails, the detection of the next domain name is continued by temporarily recording. After all the domain names are traversed once, the maximum practical average detection time for detecting the domain names is added with a positive integer n, and the positive integer n is assigned to the domain names with detection failure as the virtual average detection time of the domain names with detection failure, so that the domain names with detection failure at this time can be arranged at the rearmost of a domain name list, and the arrangement sequence of the domain names of each server in the preset server domain name list is updated.
Preferably, when a domain name detection failure exists, the number f of times of the domain name detection failure is recorded at the same time. If a domain name fails more than the specified threshold F, then the domain name is no longer used for probing.
After m rounds of traversal, the domain name selection enters a stable stage, and an updated server domain name list can be obtained. And storing the updated server domain name list into the communication equipment or uploading the updated server domain name list to a cloud server, so that the updated server domain name list can be obtained in the process of detecting internet access information by the communication equipment later, and the domain name with the smallest actual average detection time is preferentially selected for detection, thereby improving the probability of successful network detection and saving the time consumed by network detection.
In the network detection process, if the domain name is used for detecting failure or the detection duration exceeds a certain threshold value T, the average detection time of the second domain name is considered to be minimum, and the domain name is selected for subsequent detection. If the second domain name also fails to be detected or the detection duration exceeds a certain threshold value T, selecting the third domain name as the domain name with the smallest average detection time, and so on. And when the j-th domain name fails to be detected or the detection time length exceeds a certain threshold value T, the operation of updating the arrangement sequence of the domain names of each server in the preset server domain name list is re-executed.
Preferably, when the communication device detects a domain name, if the detection fails, multiple detections can be performed, and the detection is allowed for n times at most, and in the n detection processes, the time interval between every two detections is respectively T1, T2. The relationship between the time intervals is specified by the developer and may be a multiple relationship, such as tk+1=2tk. If the detection is completed or failed n times, the domain name detection is considered to be failed.
By adopting the technical means of the embodiment of the invention, not only the detection of the Internet access information can be effectively completed, but also the detection duration of each domain name can be obtained, and the domain name with the fastest response during detection is screened out, thereby being convenient for improving the detection success rate of the subsequent communication equipment in the process of executing network detection and reducing the time consumed by detection.
Referring to fig. 3, a schematic structural diagram of an internet access information detecting device according to an embodiment of the present invention is shown. The embodiment of the invention provides an internet access information detection device 20, which comprises a processor 21, a memory 22 and a computer program stored in the memory and configured to be executed by the processor, wherein the processor implements the internet access information detection method provided in any embodiment.
It should be noted that, the detection device for internet access information provided by the embodiment of the present invention is used for executing all the flow steps of the detection method for internet access information in the foregoing embodiment, and the working principles and beneficial effects of the two correspond to each other one by one, so that the description is omitted.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), or the like.
Referring to fig. 4, a schematic structural diagram of an internet access information detection system according to an embodiment of the present invention is shown. The embodiment of the invention provides an Internet access information detection system 30, which comprises at least one communication device 31 and an Internet access information detection device 32 connected with the communication device;
the internet access information detecting means 32 performs the internet access information detecting method provided in any of the above embodiments.
It should be noted that, the detection device for internet access information is configured to execute all the flow steps of the detection method for internet access information in the foregoing embodiment, and the working principles and beneficial effects of the two correspond to each other one by one, so that the description is omitted.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (15)
1. A method for detecting internet access information, comprising:
when any communication equipment in a local area network is powered on, if any communication equipment supports a network detection result sharing mechanism, the any communication equipment judges whether other communication equipment supporting the network detection result sharing mechanism exists in the local area network;
when other communication devices supporting the network detection result sharing mechanism exist in the local area network, each communication device supporting the network detection result sharing mechanism executes a master communication device confirmation operation to confirm that one communication device is used as a master communication device and other communication devices are used as slave communication devices;
The main communication equipment executes the operation of detecting the Internet access information according to a preset detection period and generates a network detection result;
the master communication device broadcasting the network probe result to enable the slave communication device in the local area network to receive the network probe result;
when other communication devices supporting the network probe result sharing mechanism exist in the local area network, each communication device supporting the network probe result sharing mechanism executes a master communication device confirmation operation to confirm that one communication device is used as a master communication device, and other communication devices are used as slave communication devices, and specifically comprises the following steps:
when the local area network has other communication equipment supporting a network detection result sharing mechanism, any communication equipment broadcasts an inquiry data packet; the inquiry data packet is used for enabling the main communication equipment in the local area network to return a second reply data packet when receiving the inquiry data packet;
judging whether a second reply data packet returned by the main communication equipment is received within a second preset time length;
if yes, confirming that the master communication equipment exists in the local area network currently, and determining any communication equipment to be slave communication equipment;
If not, each communication device supporting the network detection result sharing mechanism executes the master communication device selecting operation to select one communication device as the master communication device and the other communication devices as the slave communication devices.
2. The method for detecting internet access information according to claim 1, wherein the determining, by any one of the communication devices, whether other communication devices supporting a network detection result sharing mechanism exist in the local area network includes:
the network type detection data packet is used for enabling other communication devices supporting a network detection result sharing mechanism in the local area network to return a first reply data packet when receiving the network type detection data packet;
judging whether a first reply data packet returned by other communication equipment is received within a first preset time length;
if yes, determining that other communication equipment supporting a network detection result sharing mechanism exists in the local area network; if not, determining that the local area network does not have other communication equipment supporting a network detection result sharing mechanism.
3. The method according to claim 1, wherein when there are other communication devices supporting the network probe result sharing mechanism in the local area network, each of the communication devices supporting the network probe result sharing mechanism performs a master communication device confirmation operation to confirm a communication device as a master communication device, and after the other communication devices as slave communication devices, the method further comprises:
The master communication device periodically broadcasts keep-alive data packets so that the slave communication device receives the keep-alive data packets;
and when the slave communication equipment does not receive the keep-alive data packet in a third preset time period, each communication equipment supporting the network detection result sharing mechanism executes a master communication equipment selecting operation so as to select one communication equipment as the master communication equipment and other communication equipment as the slave communication equipment.
4. The method for detecting internet access information according to claim 1 or 3, wherein the main communication device selecting operation specifically includes:
each communication device participating in the main communication device selecting operation broadcasts selecting data packets in each preset selecting period and receives selecting data packets sent by other communication devices participating in the main communication device selecting operation;
if the communication equipment participating in the selection operation of the master communication equipment receives the selection data packet sent by other communication equipment before broadcasting the selection data packet in the current selection period, the master communication equipment selection operation is exited, and the communication equipment is determined to be the slave communication equipment;
and if the communication equipment participating in the push operation of the master communication equipment broadcasts the push data packet in the current push period and does not receive the push data packet sent by other communication equipment, determining the communication equipment as the master communication equipment.
5. The method for detecting internet access information according to claim 1, wherein the method further comprises:
and during the execution of the main communication equipment selecting operation, each communication equipment executes the corresponding operation of detecting the Internet access information according to the detection requirement type of the communication equipment.
6. The method for detecting internet access information according to claim 1, wherein the method further comprises:
when any communication equipment in the local area network is powered on, if the any communication equipment does not support a network detection result sharing mechanism, the any communication equipment executes corresponding operation for detecting internet access information according to the detection requirement type of the any communication equipment.
7. The method for detecting internet access information according to claim 1, wherein when any one of the communication devices in the lan is powered on, if the any one of the communication devices supports the network probe result sharing mechanism, the method further comprises, after the any one of the communication devices determines whether there are other communication devices in the lan that support the network probe result sharing mechanism:
when no other communication equipment supporting the network detection result sharing mechanism exists in the local area network, any communication equipment executes corresponding operation of detecting the Internet access information according to the detection requirement type of the communication equipment.
8. The method for detecting internet access information according to any one of claims 5 to 7, wherein the detection requirement type includes a first detection requirement type requiring continuous display of current internet access information and a second detection requirement type not requiring continuous display of current internet access information;
the operation of detecting the internet access information according to the detection requirement type of the user is executed, and the operation specifically comprises the following steps:
when the communication equipment is of a first detection requirement type, the communication equipment executes the operation of detecting internet access information according to a preset detection period;
and when the communication equipment is of the second detection requirement type, judging whether the current network detection opportunity accords with the preset network detection opportunity, and executing the operation of detecting the Internet access information when the current network detection opportunity accords with the preset network detection opportunity.
9. The method for detecting internet access information according to claim 8, wherein the preset network detection opportunity includes at least one of: the communication device receives an access request of a terminal user to a management interface, the communication device receives an operation request of the terminal user, or the communication device itself has a requirement of accessing a network.
10. The method for detecting internet access information according to claim 1, wherein the performing the operation of detecting internet access information specifically comprises:
acquiring a preset server domain name list; wherein, the server domain name list comprises at least one domain name of a server;
according to the arrangement sequence of the domain names of each server in the preset server domain name list, network detection is sequentially carried out on each server so as to obtain a network detection result of each server; the network detection result comprises detection success and detection failure;
when the network detection result of any server is successful, returning internet access information accessible to the current internet;
and when the network detection result of the continuous existence of the preset number of servers is detection failure, returning the internet access information which is inaccessible to the current internet.
11. The method for detecting internet access information according to claim 10, wherein the step of sequentially performing network detection on each server to obtain a network detection result for each server comprises:
sending a detection request packet to each server in turn;
When a detection reply packet returned by the server is received within a preset time length, obtaining a network detection result of the server as successful detection;
and when the detection reply packet returned by the server is not received within a preset time length, obtaining a network detection result of the server as detection failure.
12. The method for detecting internet access information according to claim 11, wherein the performing the operation of detecting internet access information further comprises:
updating the arrangement sequence of the domain names of each server in the preset server domain name list;
the updating of the arrangement sequence of the domain names of each server in the preset server domain name list specifically comprises the following steps:
acquiring the actual detection duration of the server with successful detection as each network detection result, and acquiring the detection duration of the server with successful detection as each network detection result;
taking the preset virtual detection duration as the detection duration of the server with the detection failure as the detection result of each network; the preset virtual detection time length is longer than the maximum actual detection time length;
and updating the arrangement sequence of the domain names of each server in the server domain name list according to the sequence of the detection duration from small to large.
13. The method for detecting internet access information according to claim 10, wherein the obtaining a preset server domain name list specifically includes:
and sending the product serial number of the communication equipment and the country code of the country to a cloud server, so that the cloud server returns a server domain name list corresponding to the country code of the country to which the communication equipment corresponds to the product serial number according to the corresponding relation between different prestored country codes and the server domain name list.
14. An internet access information detection apparatus comprising a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the internet access information detection method according to any one of claims 1 to 13 when executing the computer program.
15. The system for detecting the Internet access information is characterized by comprising at least one communication device and an Internet access information detection device connected with the communication device;
the internet access information detecting apparatus performs the internet access information detecting method according to any one of claims 1 to 13.
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| CN115277482B (en) * | 2022-06-10 | 2023-08-22 | 浙江清捷智能科技有限公司 | On-line detection method for industrial edge equipment |
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