CN114584470A - Network equipment topological graph generation method and device and electronic equipment - Google Patents
Network equipment topological graph generation method and device and electronic equipment Download PDFInfo
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Abstract
The invention discloses a method and a device for generating a network equipment topological graph and electronic equipment, wherein the method comprises the following steps: scanning the newly added network equipment; acquiring node information of the newly added network equipment and neighbor connection information of the newly added network equipment; judging the node level of the newly added network equipment according to the node information; and if the node level meets the preset level condition, drawing the newly added network equipment as a root node in a network equipment topological graph based on the neighbor connection information. According to the technical scheme provided by the invention, the newly added network equipment is found in time and accurately drawn into the network equipment topological graph, so that the operation of manually adding and drawing is avoided, and the generation efficiency of the network equipment topological graph is improved.
Description
Technical Field
The invention relates to the field of data processing, in particular to a method and a device for generating a topological graph of network equipment and electronic equipment.
Background
In order to better manage the internet devices, a topological graph of the network devices, that is, a visual image representing the connection relationship of the network devices, is usually drawn in an application scene of the internet, a local area network, or the like. The topology information of the network equipment depends on a manual input mode, so that the information input efficiency is low, and errors are easy to occur. In the prior art, the function of automatically drawing a topological graph after acquiring the connection relations of all network devices in the range of the current local area network or the current internet based on the SNMP protocol has been realized. However, in practical application, after a new network device is on line, the data center still needs to be manually entered for updating the topology information, the information is not updated timely enough, the workload is large, the device connection relationship needs to be combed and the topology map needs to be manually drawn every time the data center is on line, and the requirements of real-time performance and accuracy in daily operation and maintenance cannot be met.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method and an apparatus for generating a network device topology map, and an electronic device, so as to further improve the generation efficiency of the network device topology map.
According to a first aspect, the present invention provides a method for generating a network device topology map, the method comprising: scanning the newly added network equipment; acquiring node information of the newly added network equipment and neighbor connection information of the newly added network equipment; judging the node level of the newly added network equipment according to the node information; and if the node level meets a preset level condition, drawing the newly added network equipment serving as a root node in a network equipment topological graph based on the neighbor connection information.
Optionally, the determining the node level of the newly added network device according to the node information includes: determining node parent-child relations of the newly added network equipment among the network equipment according to the node information; matching the node parent-child relationship with a preset level relationship; and outputting the node grade of the newly added network equipment from the matching result.
Optionally, the method further comprises: if the node level does not meet the preset level condition, associating the newly added network equipment serving as a child node to a corresponding parent node based on the node parent-child relationship; and connecting the newly added network equipment with corresponding network equipment in a folded layer of a network equipment topological graph based on the neighbor connection information.
Optionally, the method further comprises: monitoring the coordinates of each network device in the network device topological graph; if the coordinates of the current network equipment change, recording the changed coordinates; and updating the position of the current network equipment in the network equipment topological graph based on the changed coordinates when the network equipment topological graph is reopened.
Optionally, the method further comprises: and adding a suspension event to each network device in the network device topological graph so as to display the node information of the current network device in a suspension manner when an external user mouse moves to the current network device.
According to a second aspect, the present invention provides a network device topology map generation apparatus, including: the device discovery module is used for scanning the newly added network devices; the device information acquisition module is used for acquiring the node information of the newly added network device and the neighbor connection information of the newly added network device; the node grade acquisition module is used for judging the node grade of the newly added network equipment according to the node information; and the drawing module is used for drawing the newly added network equipment serving as a root node in a network equipment topological graph based on the neighbor connection information if the node level meets a preset level condition.
Optionally, the node level obtaining module includes: a parent-child relationship determining module, configured to determine, according to the node information, a node parent-child relationship between the newly added network devices and each network device; the matching module is used for matching the node parent-child relationship with a preset level relationship; and the node grade output module is used for outputting the node grade of the newly added network equipment from the matching result.
Optionally, the apparatus further comprises: the association module is used for associating the newly added network equipment serving as a child node to a corresponding father node based on the node parent-child relationship if the node grade does not meet the preset grade condition; and the second drawing module is used for connecting the newly added network equipment and the corresponding network equipment in a folding layer of a network equipment topological graph based on the neighbor connection information.
According to a third aspect, embodiments of the present invention provide an electronic device, comprising: a memory and a processor, the memory and the processor being communicatively coupled to each other, the memory having stored therein computer instructions, and the processor performing the method of the first aspect, or any one of the optional embodiments of the first aspect, by executing the computer instructions.
According to a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, which stores computer instructions for causing a computer to thereby perform the method of the first aspect, or any one of the optional implementation manners of the first aspect.
The technical scheme provided by the application has the following advantages:
according to the technical scheme, the network equipment in the range of the local area network or the Internet is scanned through the ARP protocol, newly-appeared network equipment is found in time, and the IP address and the physical address of the newly-added network equipment are obtained in time. Then acquiring neighbor connection information of the newly added network equipment in all network equipment through an SNMP protocol based on the acquired information; and then drawing the newly added network equipment in a network equipment topological graph according to the neighbor connection information. Therefore, the newly added network equipment is discovered in time and accurately drawn into the network equipment topological graph, the operation of manually adding and drawing is avoided, and the generation efficiency of the network equipment topological graph is improved.
In addition, the embodiment of the invention also obtains the node information of each network device based on the SNMP protocol; and then determining the parent-child relationship among the network devices according to the node information, and then drawing an expansion-folding relationship in the network device topological graph based on the parent-child relationship among the network devices. Therefore, the network node which is initially rendered and displayed by the network equipment topological graph is only the root node, and a user can expand the root node to view the child nodes therein according to actual needs, so that the parent-child relationship of the network is clearer, and compared with the prior art that a large number of nodes are simultaneously displayed in the network equipment topological graph, the network equipment topological graph has stronger readability.
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The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are schematic and are not to be understood as limiting the invention in any way, and in which:
fig. 1 is a schematic diagram illustrating steps of a network device topology generation method according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a method for generating a topology map of a network device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a network device topology generating apparatus according to an embodiment of the present invention;
fig. 4 shows a schematic structural diagram of an electronic device in an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Referring to fig. 1, in an embodiment, a method for generating a network device topology map specifically includes the following steps:
step S101: and scanning the newly added network equipment.
Step S102: and acquiring node information of the newly added network equipment and neighbor connection information of the newly added network equipment.
Step S103: and judging the node level of the newly added network equipment according to the node information.
Step S104: and if the node level meets the preset level condition, drawing the newly added network equipment as a root node in a network equipment topological graph based on the neighbor connection information. Specifically, the arp (address Resolution protocol) protocol is an address Resolution protocol, and is a TCP/IP protocol capable of acquiring a physical address according to an IP address. In the embodiment, network devices in a local area network or an internet range are scanned by an ARP protocol in a manual starting mode or a timing starting mode, newly-appeared network devices are found in time, and an IP address and a physical address of the newly-added network devices are obtained in time. Then notifying the self state of other equipment by sending LLDPDU (Link Layer Discovery Protocol Data Unit) in the local network through an LLDP Protocol in an SNMP Protocol based on the acquired information, thereby enabling the equipment in the network to discover each other and notify the state and the interactive information and acquiring the neighbor connection information of the newly added network equipment; and then drawing the newly added network equipment in a network equipment topological graph according to the neighbor connection information. Before that, in this embodiment, node information of the newly added network device, including but not limited to information such as a device name, a model, a hardware state, and the like of the network device, is obtained according to the SNMP protocol, so that monitoring of the hardware state of the device while manual entry operation is reduced, automatic obtaining and updating of information after the device is online are realized, and instantaneity and accuracy of device information entry are improved. And then, acquiring the node level of the network equipment according to the node information, and judging whether the node level meets a preset level condition, namely whether the equipment is root node equipment in all the network equipment, if the equipment is the root node equipment, drawing the equipment serving as the root node in a network topological graph. Through the steps, the newly added network equipment can be timely and accurately drawn into the network equipment topological graph, the operation of manually adding and drawing is avoided, and the generation efficiency of the network equipment topological graph is improved.
Specifically, in an embodiment, the step S103 specifically includes the following steps:
the method comprises the following steps: and determining the node parent-child relationship of the newly added network equipment among the network equipment according to the node information.
Step two: matching the node parent-child relationship with a preset level relationship;
step three: and outputting the node grade of the newly added network equipment from the matching result.
Based on the above steps one to three, as shown in fig. 2, in an embodiment, the method for generating a network device topology diagram provided in the embodiment of the present invention further includes the following steps:
step four: and if the node level does not meet the preset level condition, associating the newly added network equipment serving as a child node to a corresponding father node based on the node parent-child relationship.
Step five: and connecting the newly added network equipment and the corresponding network equipment in a folding layer of the network equipment topological graph based on the neighbor connection information.
Specifically, although the network device topological graph drawn in the prior art can visually see the connection relationship between the network devices, when the number of the network devices in the local area network is very large, the network device topological graph is very large and very complex, which is not favorable for network administrators to comb and query the network link relationship. In this embodiment, node information of each network device is also obtained through the SNMP protocol. And then storing the node information of the network equipment into a database. And then, acquiring node information from the database during front-end rendering, and determining node parent-child relationships among the network devices according to the node information. Whether the network device belongs to a root node (the root node is the network device at the layer of the most initial connection network) is judged through the node parent-child relationship, for example, the existing preset level relationship is as follows: the method comprises the following steps that 1 level is added to each level of a lower-layer node, when a node is matched according to a node parent-child relation table look-up table to obtain that the node is 1 level, the node meets a preset level condition and is a root node; when a node is not level 1, it indicates that the node belongs to a child node and does not satisfy the preset level condition. The predetermined grade relationship can be established according to actual conditions, and the invention is not limited thereto. Through the steps, whether the newly added network equipment belongs to the root node equipment or not can be accurately identified.
In this embodiment, the newly added network device of the root node may be directly drawn under the initial page of the network topology. Assuming that the node level of the newly added network device is determined to be 3 levels by the determination, and then the node level is compared with the preset node level condition, at this time, the newly added network device may be determined to belong to a child node under a certain parent node, and thus the newly added network device is associated to the corresponding parent node. The drawing software does not directly render the node under the initial page of the network topology map, but renders the node into another layer expanded by the parent node, which is called a folded layer in this embodiment. And finally, after the attribution relationship of the network equipment nodes is determined, connecting the newly added network equipment with the corresponding network equipment by combining the neighbor connection information of the network equipment acquired by the LLDP protocol, thereby completing the automatic drawing of the network topological graph. Based on this, in this embodiment, a drawing software (in this embodiment, vector drawing software introduced by Canvas, an ACD company is used to implement drawing work of a topological graph) is used to render the layer where the root node is located and the layer where the child node is located into a visual view with an unfolding-folding function. So that the network topology only shows the root node in the initial page. If the user wants to check the child nodes, the root node is selected by the mouse and is expanded by double clicking, and the network equipment connection relation of each child node below the root node is checked, so that the network link relation combing and inquiring efficiency of network management personnel is improved, and the readability of a network topological graph is improved.
Specifically, in an embodiment, the method for generating a network device topology map provided by the embodiment of the present invention further includes the following steps:
step six: and monitoring the coordinates of each network device in the topological graph of the network devices.
Step seven: and if the coordinates of the current network equipment change, recording the changed coordinates.
Step eight: and updating the position of the current network equipment in the network equipment topological graph based on the changed coordinates when the network equipment topological graph is reopened.
Specifically, in this embodiment, an event monitoring script is additionally added to a node in the topology, when a user drags the node, coordinates of the node in the topology are recorded in the database, and the coordinates of the node are updated when a network device topology diagram is opened next time. Therefore, the user can adjust the layout in the network equipment topological graph according to personal requirements, and the readability of the network equipment topological graph is further improved.
Specifically, in an embodiment, the method for generating a network device topology map provided by the embodiment of the present invention further includes the following steps:
step nine: and adding a suspension event to each network device in the network device topological graph so as to display the node information of the current network device in a suspension manner when an external user mouse moves to the current network device. Specifically, in this embodiment, a floating event script is additionally added to each node of the network device, and when the mouse of the external user moves to the current network device, the node information of the current network device is displayed in a floating manner. Therefore, the readability of the network equipment topological graph is further improved, and the query of a user is facilitated.
Through the steps, according to the technical scheme provided by the application, the network equipment in the range of the local area network or the internet is scanned through the ARP protocol, newly-appeared network equipment is found in time, and the IP address and the physical address of the newly-added network equipment are obtained in time. Then acquiring neighbor connection information of the newly added network equipment in all the network equipment through an SNMP protocol based on the acquired information; and then drawing the newly added network equipment in a network equipment topological graph according to the neighbor connection information. Therefore, the newly added network equipment can be timely and accurately drawn into the network equipment topological graph, the operation of manually adding and drawing is avoided, and the generation efficiency of the network equipment topological graph is improved.
In addition, the embodiment of the invention also obtains the node information of each network device based on the SNMP protocol; and then determining the parent-child relationship among the network devices according to the node information, and then drawing an expansion-folding relationship in the network device topological graph based on the parent-child relationship among the network devices. Therefore, the network node which is initially rendered and displayed by the network equipment topological graph is only the root node, and a user can expand the root node to view the child nodes therein according to actual needs, so that the parent-child relationship of the network is clearer, and compared with the prior art that a large number of nodes are simultaneously displayed in the network equipment topological graph, the network equipment topological graph has stronger readability.
As shown in fig. 3, this embodiment further provides a network device topology generating apparatus, where the apparatus includes:
and a device discovery module 101, configured to scan for a newly added network device. For details, refer to the related description of step S101 in the above method embodiment, and no further description is provided here.
The device information obtaining module 102 is configured to obtain node information of the newly added network device and neighbor connection information of the newly added network device. For details, refer to the related description of step S102 in the above method embodiment, and no further description is provided here.
And the node level obtaining module 103 is configured to determine the node level of the newly added network device according to the node information. For details, refer to the related description of step S103 in the above method embodiment, and no further description is provided here.
And a drawing module 104, configured to draw, if the node level meets a preset level condition, the newly added network device as a root node in the network device topology map based on the neighbor connection information. For details, refer to the related description of step S104 in the above method embodiment, and no further description is provided here.
Specifically, in an embodiment, the node level obtaining module includes:
and the parent-child relationship determining module is used for determining the node parent-child relationship of the newly-added network equipment among the network equipment according to the node information. For details, refer to the related description of step one in the above method embodiments, and no further description is provided herein.
And the matching module is used for matching the node parent-child relationship with the preset level relationship. For details, refer to the related description of step two in the above method embodiments, and details are not repeated herein.
And the node grade output module is used for outputting the node grade of the newly added network equipment from the matching result. For details, refer to the related description of step three in the above method embodiments, and no further description is provided herein.
Specifically, in an embodiment, the apparatus for generating a network device topology diagram provided in the embodiment of the present invention further includes:
and the association module is used for associating the newly added network equipment serving as a child node to the corresponding parent node based on the node parent-child relationship if the node grade does not meet the preset grade condition. For details, refer to the description related to step four in the above method embodiments, and no further description is provided herein.
And the second drawing module is used for connecting the newly added network equipment and the corresponding network equipment in a folded layer of the network equipment topological graph based on the neighbor connection information. For details, refer to the description related to step five in the above method embodiments, and no further description is provided herein.
The network device topology map generation apparatus provided in the embodiment of the present invention is configured to execute the network device topology map generation method provided in the above embodiment, and the implementation manner is the same as the principle, and details of the method embodiment are described in the related description, and are not described again.
Through the cooperative cooperation of the components, the technical scheme provided by the application scans the network equipment in the range of the local area network or the internet through the ARP protocol, finds the newly-appeared network equipment in time and acquires the IP address and the physical address of the newly-added network equipment in time. Then acquiring neighbor connection information of the newly added network equipment in all the network equipment through an SNMP protocol based on the acquired information; and then drawing the newly added network equipment in a network equipment topological graph according to the neighbor connection information. Therefore, the newly added network equipment can be timely and accurately drawn into the network equipment topological graph, the operation of manually adding and drawing is avoided, and the generation efficiency of the network equipment topological graph is improved.
In addition, the embodiment of the invention also obtains the node information of each network device based on the SNMP protocol; and then determining the parent-child relationship among the network devices according to the node information, and then drawing an expansion-folding relationship in the network device topological graph based on the parent-child relationship among the network devices. Therefore, the network node which is initially rendered and displayed by the network equipment topological graph only has the root node, and a user can unfold the root node to view child nodes therein according to actual needs, so that the parent-child relationship of the network is clearer, and compared with the prior art, a large number of nodes are simultaneously displayed in the network equipment topological graph, and the network equipment topological graph has stronger readability.
Fig. 4 shows an electronic device according to an embodiment of the present invention, where the device includes a processor 901 and a memory 902, which may be connected by a bus or by other means, and fig. 4 illustrates an example of a connection by a bus.
The memory 902, which is a non-transitory computer-readable storage medium, may be used to store non-transitory software programs, non-transitory computer-executable programs, and modules, such as program instructions/modules corresponding to the methods in the above-described method embodiments. The processor 901 executes various functional applications and data processing of the processor by executing non-transitory software programs, instructions and modules stored in the memory 902, that is, implements the methods in the above-described method embodiments.
The memory 902 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor 901, and the like. Further, the memory 902 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory 902 may optionally include memory located remotely from the processor 901, which may be connected to the processor 901 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
One or more modules are stored in the memory 902, which when executed by the processor 901 performs the methods in the above-described method embodiments.
The specific details of the electronic device may be understood by referring to the corresponding related descriptions and effects in the above method embodiments, and are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, and the implemented program can be stored in a computer-readable storage medium, and when executed, can include the processes 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 (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD) or a Solid State Drive (SSD), etc.; the storage medium may also comprise a combination of memories of the kind described above.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. A method for generating a network device topology map, the method comprising:
scanning the newly added network equipment;
acquiring node information of the newly added network equipment and neighbor connection information of the newly added network equipment;
judging the node grade of the newly added network equipment according to the node information;
and if the node level meets a preset level condition, drawing the newly added network equipment serving as a root node in a network equipment topological graph based on the neighbor connection information.
2. The method of claim 1, wherein the determining the node level of the newly added network device according to the node information comprises:
determining node parent-child relations of the newly added network equipment among the network equipment according to the node information;
matching the node parent-child relationship with a preset level relationship;
and outputting the node grade of the newly added network equipment from the matching result.
3. The method of claim 2, further comprising:
if the node level does not meet the preset level condition, associating the newly added network equipment serving as a child node to a corresponding parent node based on the node parent-child relationship;
and connecting the newly added network equipment with corresponding network equipment in a folded layer of a network equipment topological graph based on the neighbor connection information.
4. The method of claim 1, further comprising:
monitoring the coordinates of each network device in the network device topological graph;
if the coordinates of the current network equipment change, recording the changed coordinates;
and updating the position of the current network equipment in the network equipment topological graph based on the changed coordinates when the network equipment topological graph is reopened.
5. The method of claim 2, further comprising:
and adding a suspension event to each network device in the network device topological graph so as to display the node information of the current network device in a suspension manner when an external user mouse moves to the current network device.
6. An apparatus for generating a topology map of a network device, the apparatus comprising:
the device discovery module is used for scanning the newly added network devices;
the device information acquisition module is used for acquiring the node information of the newly added network device and the neighbor connection information of the newly added network device;
the node grade acquisition module is used for judging the node grade of the newly added network equipment according to the node information;
and the drawing module is used for drawing the newly-added network equipment as a root node in a network equipment topological graph based on the neighbor connection information if the node grade meets a preset grade condition.
7. The apparatus of claim 6, wherein the node level obtaining module comprises:
a parent-child relationship determining module, configured to determine, according to the node information, a node parent-child relationship between the newly added network devices and each network device;
the matching module is used for matching the node parent-child relationship with a preset level relationship;
and the node grade output module is used for outputting the node grade of the newly added network equipment from the matching result.
8. The apparatus of claim 7, further comprising:
the association module is used for associating the newly added network equipment serving as a child node to a corresponding father node based on the node parent-child relationship if the node grade does not meet the preset grade condition;
and the second drawing module is used for connecting the newly added network equipment and the corresponding network equipment in a folding layer of a network equipment topological graph based on the neighbor connection information.
9. An electronic device, comprising:
a memory and a processor communicatively coupled to each other, the memory having stored therein computer instructions, the processor executing the computer instructions to perform the method of any of claims 1-5.
10. A computer-readable storage medium having stored thereon computer instructions for causing a computer to thereby perform the method of any one of claims 1-5.
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