CN115412935A - Automatic configuration method and device for unmanned cluster in wireless ad hoc network environment - Google Patents

Automatic configuration method and device for unmanned cluster in wireless ad hoc network environment Download PDF

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Publication number
CN115412935A
CN115412935A CN202210812307.6A CN202210812307A CN115412935A CN 115412935 A CN115412935 A CN 115412935A CN 202210812307 A CN202210812307 A CN 202210812307A CN 115412935 A CN115412935 A CN 115412935A
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client
configuration
network card
clients
mode
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易伟
戴孟元
傅春连
张晶
李瑞恺
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National Defense Technology Innovation Institute PLA Academy of Military Science
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National Defense Technology Innovation Institute PLA Academy of Military Science
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0876—Aspects of the degree of configuration automation
    • H04L41/0886—Fully automatic configuration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0889—Techniques to speed-up the configuration process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0893—Assignment of logical groups to network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Automation & Control Theory (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention relates to the technical field of unmanned cluster remote control, and particularly provides an automatic configuration method and device of an unmanned cluster in a wireless ad hoc network environment, wherein the method comprises the following steps: initializing a client list state, and setting a selection strategy of a client needing to update the configuration file; and selecting the client needing to update the configuration file to set a communication mode for the client based on the selection strategy group, and setting a silent mode for other clients. The client actively inquires the network card mode corresponding to the client list state fed back by the configuration server, and controls the network card to be opened or closed. The scheme controls the scale of the wireless ad hoc network nodes in the same time from a software level, thereby improving the network communication effect. The strategy of batch configuration improves the configuration success rate of large-scale unmanned cluster configuration.

Description

Automatic configuration method and device for unmanned cluster in wireless ad hoc network environment
Technical Field
The invention relates to the technical field of unmanned cluster remote control, in particular to an automatic configuration method and device of an unmanned cluster in a wireless ad hoc network environment.
Background
The wireless ad hoc network environment does not depend on preset infrastructure, and has the characteristics of temporary networking, dynamic topology, no control center and the like, so that the wireless ad hoc network environment is widely applied to unmanned clusters. However, under the condition of large network scale, network nodes of the wireless ad hoc network interfere with each other, and a large part of network bandwidth is used for maintaining network topology, so that the problems of unstable network connection, low network effective bandwidth and high packet loss rate are generated. In a large-scale unmanned cluster distributed application under a wireless ad hoc network environment, uniform cluster configuration item configuration is often required only in an application deployment stage, and in an actual task execution stage, synchronization of large-scale network nodes is not relied on, and various tasks can be completed in a distributed and cooperative manner through interaction between neighbor nodes in a local range. In a wireless ad hoc network environment, how to efficiently and stably carry out unified configuration and deployment on a large-scale unmanned cluster is a big difficulty in large-scale unmanned cluster application.
The existing configuration management methods mainly comprise two types, one type is that the configuration items of each node in the cluster are uniformly maintained based on a configuration service center, such as Ali Nacos, open-range Apollo and the like, the method requires stable network connection, and is not suitable for large-scale wireless ad hoc network environments with unstable connection; in the other method, a point-to-point connection protocol SSH or FTP is adopted to log in each node one by one for configuration management, and the problems of low configuration efficiency, tedious operation process and the like exist when large-scale cluster configuration is oriented.
Disclosure of Invention
In order to overcome the defects, the invention provides an automatic configuration method and device of an unmanned cluster in a wireless ad hoc network environment.
In a first aspect, an automated configuration method for an unmanned cluster in a wireless ad hoc network environment is provided, where the automated configuration method for the unmanned cluster in the wireless ad hoc network environment includes:
step S101, initializing a client list state, and setting a selection strategy of a client needing to update a configuration file;
step S102, detecting whether a client with an unconfigured configuration state exists in the client list state, if so, selecting a client needing to update the configuration file from the clients with the unconfigured configuration state based on the selection strategy, updating the client list state and executing step S103, otherwise, ending the operation;
step S103, updating the configuration file of the client needing to update the configuration file, transmitting the configuration file to the client needing to update the configuration file, and returning to the step S102 after updating the client list state;
when a query configuration policy request sent by a client is received, client positioning information attached in the query configuration policy request is obtained, the client positioning information in a client list state is updated, and a network card mode corresponding to the client positioning information in the client list state is fed back to the client sending the query configuration policy request; the client list state includes: positioning information, network card mode and configuration state.
Preferably, in step S101, the initializing the client list state includes:
the initial client positioning information is 0, the network card mode is a communication mode, and the configuration state is not configured.
Preferably, in step S101, the setting of the selection policy of the client that needs to update the configuration file includes:
when the clients are all located in the single-hop communication coverage range of the configuration server, the clients needing to update the configuration files are selected based on the aggregation mode strategy, and when the clients located outside the single-hop communication coverage range of the configuration server exist, the clients needing to update the configuration files are selected based on the dispersion mode strategy.
Preferably, in step S102, the updating the client list state includes:
updating the network card mode of the client needing to update the configuration file into a communication mode, wherein the configuration state is waiting configuration; updating a client network card mode as an intermediate routing node into a communication mode; and updating the network card mode of other clients into a silent mode.
Preferably, the updating the client list state in step S103 includes:
if the configuration file is transmitted successfully, the network card mode of the client is updated to be a silent mode, the configuration state is successful, otherwise, the configuration file is transmitted to the client needing to update the configuration file again, after the transmission times reach the preset times, the transmission of the configuration file is still unsuccessful, the network card mode of the client is updated to be the silent mode, and the configuration state is failed.
Further, the updating the client location information in the client list state includes:
in the aggregation mode, the client positioning information in the client list state is not updated, and in the dispersion mode, the client positioning information in the client list state is updated.
Further, the selecting a client that needs to update the configuration file based on the aggregation mode policy includes:
and sequentially selecting T clients as clients needing to update the configuration file from the clients with the unconfigured configuration state, wherein T is a preset number.
Further, the selecting a client that needs to update the configuration file based on the distributed mode policy includes:
step 1, adding all clients into a set U;
step 2, removing the clients in the set U except the clients with the unconfigured configuration state, and marking the clients in the set U as unaccessed;
step 3, acquiring T clients with the maximum distance from the configuration server from the clients marked as not-accessed in the set U, marking the clients as accessed and adding the clients into the set U';
step 4, acquiring the clients with the distances to all the clients in the set U' smaller than the single-hop communication coverage of the configured server from the clients marked as not-accessed in the set U, and adding the clients into the set B;
step 5, judging whether the set B is an empty set, if so, rejecting the client side closest to the configuration server side in the set U', marking the client side as not-accessed and returning to the step 4, otherwise, executing the step 6;
step 6, storing the set U 'into a mapping table, wherein the Key Value of the mapping table is the counting number and is initially 0, the Key Value is increased by one every time the mapping table is stored, and the Value is the obtained set U';
step 7, judging whether a client with the distance from the configuration server side smaller than the single-hop communication coverage of the configuration server side exists in the set B, if so, deleting the client with the distance from the configuration server side larger than the single-hop communication coverage of the configuration server side in the set B, storing the set B in a mapping table to execute step 9, otherwise, executing step 8;
step 8, taking the set B as a set U', emptying the set B, and returning to the step 4;
step 9, traversing the mapping table, taking the client in the set with the Key value of 0 as the client needing to update the configuration file, and taking one client from the set with the Key value of not 0 as an intermediate routing node when performing configuration updating;
step 10, judging whether the sum of the clients needing to update the configuration files and the intermediate routing nodes during configuration updating is more than T, if so, deleting the corresponding number of the clients needing to update the configuration files until the sum of the clients needing to update the configuration files and the intermediate routing nodes during configuration updating is not more than T, and if not, finishing the operation;
wherein T is a preset number.
In a second aspect, an automated configuration method for an unmanned cluster in a wireless ad hoc network environment is provided, where the automated configuration method for the unmanned cluster in the wireless ad hoc network environment includes:
sending a query configuration strategy request with self-positioning information to a configuration server side based on a network card mode;
and controlling the network card mode of the client based on the network card mode corresponding to the client list state fed back by the receiving and configuring server.
Preferably, the sending, to the configuration server, the query configuration policy request with the self-positioning information based on the network card mode includes:
when the network card mode is the silent mode, the network card is closed until the silent time is reached, after the silent time is reached, a network card of the user self is opened, and a query configuration strategy request with positioning information of the user self is sent to a configuration server side;
and when the network card mode is the connection mode, keeping the network card in an open state, and sending a query configuration strategy request with self positioning information to the configuration server.
Preferably, the controlling of the network card mode of the client based on the feedback of the receiving configuration server in the network card mode corresponding to the client list state includes:
when a network card mode corresponding to the client list state of a client fed back by a configuration server is received, if the network card mode is a silent mode, updating the network card operation mode to be the silent mode, closing the network card per se, and if the network card mode is a communication mode, updating the network card operation mode to be the communication mode;
when the network card mode corresponding to the client side list state fed back by the configuration server side cannot be received, sending a query configuration strategy request with self-positioning information to the configuration server side until the network card mode corresponding to the client side list state fed back by the configuration server side is received or the sending times reach a preset value.
In a third aspect, an automatic configuration device of an unmanned cluster in a wireless ad hoc network environment is provided, where the automatic configuration device of the unmanned cluster in the wireless ad hoc network environment includes:
the initialization module is used for initializing the list state of the client and setting a selection strategy of the client needing to update the configuration file;
the updating module is used for detecting whether a client with an unconfigured configuration state exists in the client list state, if so, selecting the client needing to update the configuration file from the clients with the unconfigured configuration state based on the selection strategy, updating the client list state and executing the configuration file transmission module, and if not, finishing the operation;
the configuration file transmission module is used for updating the configuration file of the client needing to update the configuration file, transmitting the configuration file to the client needing to update the configuration file, and returning the configuration file to the update module after updating the client list state;
when a query configuration policy request sent by a client is received, client positioning information attached in the query configuration policy request is obtained, the client positioning information in a client list state is updated, and a network card mode corresponding to the client positioning information in the client list state is fed back to the client sending the query configuration policy request; the client list state includes: positioning information, network card mode and configuration state.
In a fourth aspect, an automatic configuration device of an unmanned cluster in a wireless ad hoc network environment is provided, where the automatic configuration device of the unmanned cluster in the wireless ad hoc network environment includes:
the sending module is used for sending a query configuration strategy request with self-positioning information to the configuration server side based on the network card mode;
and the control module is used for controlling the network card mode of the client based on the network card mode corresponding to the client list state fed back by the receiving and configuring server.
In a fifth aspect, there is provided a computer device comprising: one or more processors;
the processor to store one or more programs;
when the one or more programs are executed by the one or more processors, the method for automatically configuring the unmanned cluster in the wireless ad hoc network environment is realized.
In a sixth aspect, a computer-readable storage medium is provided, on which a computer program is stored, and when the computer program is executed, the method for automatically configuring an unmanned cluster in a wireless ad hoc network environment is implemented.
One or more technical schemes of the invention at least have one or more of the following beneficial effects:
the invention provides an automatic configuration method and device of an unmanned cluster in a wireless ad hoc network environment, which comprises the following steps: step S101, initializing a client list state, and setting a selection strategy of a client needing to update a configuration file; step S102, detecting whether a client with an unconfigured configuration state exists in the client list state, if so, selecting a client needing to update the configuration file from the clients with the unconfigured configuration state based on the selection strategy, updating the client list state and executing step S103, otherwise, ending the operation; step S103, updating the configuration file of the client needing to update the configuration file, transmitting the configuration file to the client needing to update the configuration file, and returning to the step S102 after updating the client list state; when a query configuration policy request sent by a client is received, acquiring client positioning information attached in the query configuration policy request, updating the client positioning information in a client list state, and feeding back a network card mode corresponding to the client list state to the client sending the query configuration policy request; the client list state includes: positioning information, network card mode and configuration state. And the client controls the network card to be opened or closed based on the network card mode corresponding to the client list state fed back by the server. According to the technical scheme provided by the invention, the scale of the wireless ad hoc network nodes in the same time is controlled according to the positioning information, the network card mode information and the like through a batch silent configuration strategy, so that the problems that the effective bandwidth of the network is reduced when the scale of the wireless ad hoc network is large, the configuration updating is difficult to complete or the configuration updating speed is too slow are solved. Through the interaction of the configuration server and the configuration client, the configuration updating of the large-scale unmanned cluster based on the wireless ad hoc network is realized, the time and labor cost of point-to-point configuration are saved, and the configuration efficiency is improved.
Drawings
Fig. 1 is a schematic flow chart illustrating major steps of a configuration server of an automated configuration method for an unmanned cluster in a wireless ad hoc network environment according to an embodiment of the present invention;
fig. 2 is a diagram of an application system structure of an automated configuration method for an unmanned cluster in a wireless ad hoc network environment according to an embodiment of the present invention;
FIG. 3 is a flowchart of selecting a client that needs to update a configuration file based on a decentralized mode policy according to an embodiment of the present invention;
fig. 4 is a schematic flow chart illustrating a client side main step of an automated configuration method of an unmanned cluster in a wireless ad hoc network environment according to an embodiment of the present invention;
fig. 5 is a block diagram of a main structure of a configuration server of an automated configuration device of an unmanned cluster in a wireless ad hoc network environment according to an embodiment of the present invention;
fig. 6 is a main structural block diagram of a client of an unmanned cluster automation configuration device in a wireless ad hoc network environment according to an embodiment of the present invention.
Detailed Description
The following provides a more detailed description of embodiments of the present invention, with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
In order to overcome the defects of the prior art, the invention provides an automatic configuration method of an unmanned cluster in a wireless ad hoc network environment. The configuration server sets the managed network cards of the clients to be in a silent or connected mode in batches, each configuration client inquires the configuration strategy of the server, adjusts the network cards of the clients to be in the silent or connected mode in real time according to the configuration strategy and the network connection state, and controls the scale of the wireless ad hoc network nodes in the same time from a software level, so that the network connection effect is improved. The strategy of batch configuration improves the configuration success rate of large-scale unmanned cluster configuration.
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating main steps of an automated configuration method of an unmanned cluster in a wireless ad hoc network environment according to an embodiment of the present invention. As shown in fig. 1, the method for automatically configuring an unmanned cluster in a wireless ad hoc network environment in the embodiment of the present invention mainly includes the following steps:
step S101, initializing a client list state, and setting a selection strategy of a client needing to update a configuration file;
step S102, detecting whether a client with an unconfigured configuration state exists in the client list state, if so, selecting a client needing to update the configuration file from the clients with the unconfigured configuration state based on the selection strategy, updating the client list state and executing step S103, otherwise, ending the operation;
step S103, updating the configuration file of the client needing to update the configuration file, transmitting the configuration file to the client needing to update the configuration file, and returning to the step S102 after updating the client list state;
when a query configuration policy request sent by a client is received, acquiring client positioning information attached in the query configuration policy request, updating the client positioning information in a client list state, and feeding back a network card mode corresponding to the client list state to the client sending the query configuration policy request; the client list state includes: positioning information, network card mode and configuration state.
Specifically, the actual network card communication and the setting of the silent state of the client are not actively issued by the configuration server, but each client sends a request for inquiring the configuration policy to the server to check the configuration policy of the server. The server monitors the network port, and replies the configured network card mode to each client after receiving the configuration strategy inquiry request of each client. The configuration inquiry request of the client is attached with respective positioning information. If it is the aggregation mode, the positioning information is not processed. If the mode is the distributed mode, the positioning information of each client in the client list needs to be updated.
In a specific embodiment, a system structure corresponding to an automated configuration method for an unmanned cluster in a wireless ad hoc network environment is shown in fig. 2, and includes a configuration server and a configuration client, where the configuration server and the configuration client operate on different platform devices, each platform is equipped with a Global Navigation Satellite System (GNSS) or other positioning systems, and a wireless ad hoc network device, and the configuration server and the configuration client interact with each other through wireless network connection.
And at the configuration server, the client information of the large-scale unmanned cluster can be managed and maintained. Each client information includes, but is not limited to, a client unique identifier, a client IP address, location information provided by a client location system, a client network card mode (silent mode and connected mode), and a client configuration status. And the configuration server controls the network card mode of the client in batches and sends configuration updates.
At the configuration client, the network communication state with the server is periodically inquired, and the configuration strategy of the server is obtained, so that the network card mode of the client is changed, and the configuration update is received.
Specifically, in step S101, initializing the client list state includes:
the initial client positioning information is 0, the network card mode is a communication mode, and the configuration state is not configured.
In this embodiment, in step S101, the setting of the selection policy of the client that needs to update the configuration file includes:
when the clients are all located in the single-hop communication coverage range of the configuration server, the clients needing to update the configuration files are selected based on the aggregation mode strategy, and when the clients located outside the single-hop communication coverage range of the configuration server exist, the clients needing to update the configuration files are selected based on the dispersion mode strategy.
In this embodiment, in step S102, the updating the client list state includes:
and updating the network card mode of the client needing to update the configuration file into a communication mode, wherein the configuration state is waiting configuration, and the network card mode of other clients is updated into a silent mode.
In this embodiment, the updating the client list state in step S103 includes:
if the configuration file is transmitted successfully, the network card mode of the client is updated to be a silent mode, the configuration state is successful, otherwise, the configuration file is transmitted to the client needing to update the configuration file again, after the transmission times reach the preset times, the transmission of the configuration file is still unsuccessful, the network card mode of the client is updated to be the silent mode, and the configuration state is failed.
Further, the updating the client location information in the client list state includes:
in the aggregation mode, the client positioning information in the client list state is not updated, and in the dispersion mode, the client positioning information in the client list state is updated.
Further, the selecting a client that needs to update the configuration file based on the aggregation mode policy includes:
aggregation mode: the method is suitable for the condition that the distance between the wireless client nodes is short. The position of each wireless node is within the single-hop communication coverage of the configuration server, so that T nodes are sequentially selected from the client set to be in a connected mode, the configuration state is set to be in a waiting configuration state, and the rest nodes are set to be in a silent mode until all the configuration of the cluster is completed.
Specifically, T clients are sequentially selected from clients whose configuration states are not configured as clients needing to update the configuration file, wherein T is a preset number.
Further, the selecting a client that needs to update the configuration file based on the distributed mode policy includes:
step 1, adding all clients into a set U;
step 2, removing the clients in the set U except the clients with the unconfigured configuration state, and marking the clients in the set U as unaccessed;
step 3, acquiring T clients with the maximum distance from the configuration server from the clients marked as not-accessed in the set U, marking the clients as accessed and adding the clients into the set U';
step 4, acquiring the clients with the distances from the clients in the set U' smaller than the single-hop communication coverage of the configuration server from the clients marked as unaccessed in the set U, and adding the clients into the set B;
step 5, judging whether the set B is an empty set, if so, rejecting the client closest to the configuration server in the set U', marking the client as not accessed, and returning to the step 4, otherwise, executing the step 6;
step 6, storing the set U 'into a mapping table, wherein the Key Value of the mapping table is the counting number and is initially 0, the Key Value is increased by one every time the mapping table is stored, and the Value is the obtained set U';
step 7, judging whether a client with the distance from the configuration server side smaller than the single-hop communication coverage of the configuration server side exists in the set B, if so, deleting the client with the distance from the configuration server side larger than the single-hop communication coverage of the configuration server side in the set B, storing the set B in a mapping table to execute step 9, otherwise, executing step 8;
step 8, taking the set B as a set U', emptying the set B, and returning to the step 4;
step 9, traversing the mapping table, taking the client in the set with the Key value of 0 as the client needing to update the configuration file, and taking one client from the set with the Key value of not 0 as an intermediate routing node when performing configuration updating;
step 10, judging whether the sum of the clients needing to update the configuration files and the intermediate routing nodes during configuration updating is larger than T, if so, deleting the corresponding number of the clients needing to update the configuration files until the sum of the clients needing to update the configuration files and the intermediate routing nodes during configuration updating is not larger than T, otherwise, ending the operation;
wherein T is a preset number.
In a preferred embodiment, the dispersion mode: the decentralized mode is suitable for outdoor use, and the distance between the wireless client nodes is long. The configuration server and each wireless node may need to complete communication through multi-hop routing, so that simple grouping in an aggregation mode cannot be adopted, and node networks far away from a configuration center cannot be reached due to the fact that intermediate routing nodes are probably silenced in one grouping. In a decentralized mode, a satellite navigation positioning system of an unmanned platform is used for acquiring real-time position information and assisting grouping.
Before grouping, the position information of each client is obtained. The position information of each client is periodically uploaded to a configuration server by the client, and the server maintains the information. Under the condition that the nodes are large in scale and distributed in position, if all the client nodes are in a connected mode, the effective bandwidth of the network is low, the packet loss rate is high, and part of the clients are likely to be not connected with the server and cannot upload position information. Therefore, a strategy of closing part of the nodes probabilistically is adopted to control the network scale and acquire the position information of the client node as much as possible. The specific method comprises the following steps:
and maintaining the clients which have uploaded the position information, numbering 1-N, randomly taking x clients from 1-N, and setting the x clients as a silent mode, wherein x is a random number in a range of 1-N. And in 2 silent periods, if a new client uploads position information, maintaining the client and updating N. The above operations are repeated for a number of times, which can be configured by the user as a parameter, thereby obtaining as much client location information as possible.
The process of selecting clients in batches in a specific distributed mode is shown in fig. 3, and includes:
(1) Assume that the set of client nodes is U, the number of clients in the connected mode at the same time is T, and the wireless node single-hop communication coverage is R (obtainable from the wireless node communication device parameters). T is a parameter that allows the user to adjust. In actual configuration, when a user selects a recommended value of T, an optimal T (i.e., the maximum number of nodes supported in a better wireless ad hoc network state) can be found by bisection. And the optimal T is obtained through testing, and the T value is not related to the modification of the client as long as the T value is configured at the server.
And updating the set U, wherein the set U only contains nodes in an unconfigured state, and deleting the nodes in a configuration success or failure state from the set U. And (4) traversing the set U when the marks of the clients of the set U are not accessed, and calculating the distance from each node in the set U to the configuration server. And finding T nodes with the maximum distance from the configuration server, marking the T nodes as accessed, and adding the T nodes into the set U'.
(2) Find the closest node to the set of U'. Traversing nodes which are not provided with access marks and have distances to all nodes in the U' smaller than R, and adding the nodes into the set B. And if the B set is empty after one search is performed and no node can be found, deleting a node which is closest to the server side in the U', and marking the node as not accessed. And (5) continuing to execute the step (2).
(3) Repeating the steps, at least one node can be found certainly, the distance between all nodes in the distance U 'is smaller than that of R (the distance between at least one node in the set of U'), and a non-empty set B is obtained. And storing the set U 'into a mapping table, wherein the Key value of the mapping table is the counting times, the initial value is 0, and the value is the obtained set U'. Every time the set U' is inserted into the mapping table, the number of counts is increased by 1. And judging whether the distance between the node in the B set and the configuration server side is less than R. If yes, deleting the nodes with the distance larger than R away from the configuration server side in the B set, storing the B set into the mapping table, circularly exiting, and executing the step (5). If not, step (4) is performed.
(4) And (4) taking the set B obtained in the step (3) as U', and executing the step (2) and the step (3) again.
(5) Traversing a mapping table, wherein an element with a Key value of 0 in the mapping table is actually a remote unmanned platform set which needs to be configured and updated and is found by a program automatic grouping method; the Key value in the mapping table is not an element of 0, and actually is an intermediate multi-hop routing node set required during configuration updating, and a node is taken from each set and set to be in a connected mode, so that the network reaching the configuration client is ensured to be connected. If the sum of the number of the nodes needing to be configured and updated and the number of the routing nodes is larger than T, the nodes with the corresponding number are deleted from the configuration updating set, the total number of the nodes is not larger than T, the nodes meeting the configuration updating condition are set to be in a connected mode, and the configuration state is set to be in a waiting configuration state. All nodes except the configuration updating node and the routing node are set to be in a silent mode. This completes a configuration update packet.
Example 2
Further, the present invention also provides an automated configuration method of an unmanned cluster in a wireless ad hoc network environment, as shown in fig. 4, the automated configuration method of an unmanned cluster in a wireless ad hoc network environment includes:
sending a query configuration strategy request with self-positioning information to a configuration server side based on a network card mode;
and controlling the network card mode of the client based on the network card mode corresponding to the client list state fed back by the receiving and configuring server.
Preferably, the sending, to the configuration server, the query configuration policy request with the self-positioning information based on the network card mode includes:
when the network card mode is a silent mode, the network card is closed until the silent time is reached, after the silent time is reached, the network card of the user is opened to send a query configuration strategy request with positioning information of the user to the configuration server;
and when the network card mode is the connection mode, keeping the network card in an open state, and sending a query configuration strategy request with self positioning information to the configuration server.
Preferably, the controlling the network card mode of the client based on the feedback of the receiving configuration server in the network card mode corresponding to the client list state includes:
when a network card mode corresponding to the client list state of a client fed back by a receiving and configuring server is received, if the network card mode is a silent mode, updating the network card operation mode to be the silent mode, closing the network card of the client, and if the network card mode is a communication mode, updating the network card operation mode to be the communication mode;
when the network card mode corresponding to the client side in the client side list state fed back by the configuration server side cannot be received, sending a query configuration strategy request attached with self-positioning information to the configuration server side until the network card mode corresponding to the client side in the client side list state fed back by the configuration server side is received or the sending times reach a preset value.
In a preferred embodiment, the client periodically reads the values of the network card mode parameters. The periodic polling time is user configurable as a parameter.
In the first case, the client software flow in the network card silent mode is as follows:
(1) If the network card mode is a silent mode. The client closes the network card and exits the wireless ad hoc network environment. Silence is maintained for a period of time that is a fixed time plus a range of random times. The fixed time is used as a parameter and can be set by a user, so that the purpose that the client is prevented from being silent forever and the network card is closed all the time is avoided. The random time is used for preventing a large number of silent clients from opening the network card and joining the wireless ad hoc network after reaching the silent time, so that a large number of nodes in the network in a short time are increased, and the stability of the network is influenced. The selection of the silent time can be optimized and solved through multiple experiments under similar scenes by a user, and the silent time is at least longer than the time required by the T nodes to form a stable network topology through the ad hoc network.
(2) And the client needs to automatically open the network card after the silent time arrives, and then the client joins the wireless ad hoc network environment. And sending a request for inquiring the configuration strategy to the server, checking the network card mode configured for the server by the server and informing the server of the self-positioning information.
(3) And if the client can receive the configuration mode feedback information of the server, the client is proved to be connected with the server network. And if the configuration information fed back by the server side is in the connected mode, the client side updates the network card operation mode to be in the connected mode. And switching the software flow to the connected mode to continue executing. And if the configuration information fed back by the server is still in the silent mode, the client enters the silent mode again, and the network card is closed until the silent time is up.
(4) If the client cannot receive the configuration mode feedback information of the server, the client tries to send the query request for multiple times, and the upper limit of the query times as a parameter can be set by a user. And the client can not be connected with the server even if the feedback information of the server is not received when the query upper limit is reached. Processing continues with the quiet state flow.
In the second case, the software flow in the network card connectivity mode is as follows:
(1) If the network card mode is the connection mode, the client keeps the network card open state, sends a request for inquiring the configuration strategy to the server, checks the network card mode configured for the client by the server and informs the server of the self-positioning information.
(2) And if the client can receive the configuration mode feedback information of the server, the client is proved to be connected with the server network. And if the configuration information fed back by the server side is in a connected mode, the client side continuously keeps the network card started. And if the configuration information fed back by the server side is in the silent mode, updating the parameters of the network card mode into the silent mode, and switching the software flow to the silent mode to continue executing.
(3) If the client cannot receive the configuration mode feedback information of the server, the client tries to send the query request for multiple times, and the upper limit of the query times as a parameter can be set by a user. And the feedback information of the server cannot be received when the query upper limit is reached, so that the client cannot be connected with the server. The network card is closed and the software flow is switched to the silent mode for execution.
Example 3
Based on the same inventive concept, the present invention further provides an automatic configuration device of an unmanned cluster in a wireless ad hoc network environment, as shown in fig. 5, the automatic configuration device of an unmanned cluster in a wireless ad hoc network environment includes:
the initialization module is used for initializing the state of the client list and setting a selection strategy of the client needing to update the configuration file;
the updating module is used for detecting whether a client with an unconfigured configuration state exists in the client list state, if so, selecting the client needing to update the configuration file from the clients with the unconfigured configuration state based on the selection strategy, updating the client list state and executing the configuration file transmission module, and if not, finishing the operation;
the configuration file transmission module is used for updating the configuration file of the client needing to update the configuration file, transmitting the configuration file to the client needing to update the configuration file, and returning the configuration file to the update module after updating the client list state;
when a query configuration policy request sent by a client is received, client positioning information attached in the query configuration policy request is obtained, the client positioning information in a client list state is updated, and a network card mode corresponding to the client positioning information in the client list state is fed back to the client sending the query configuration policy request; the client list state includes: positioning information, network card mode and configuration state.
Preferably, in step S101, the initializing the client list state includes:
the initialized client positioning information is 0, the network card mode is a communication mode, and the configuration state is unconfigured.
Preferably, in step S101, the setting of the selection policy of the client that needs to update the configuration file includes:
when the clients are all located in the single-hop communication coverage range of the configuration server, the clients needing to update the configuration files are selected based on the aggregation mode strategy, and when the clients located outside the single-hop communication coverage range of the configuration server exist, the clients needing to update the configuration files are selected based on the dispersion mode strategy.
Preferably, in step S102, the updating the client list state includes:
updating the network card mode of the client needing to update the configuration file into a communication mode, wherein the configuration state is waiting configuration; updating a client network card mode as an intermediate routing node into a communication mode; and updating the network card mode of other clients into a silent mode.
Preferably, the updating the client list state in step S103 includes:
if the configuration file is transmitted successfully, the network card mode of the client is updated to be a silent mode, the configuration state is successful, otherwise, the configuration file is transmitted to the client needing to update the configuration file again, after the transmission times reach the preset times, the transmission of the configuration file is still unsuccessful, the network card mode of the client is updated to be the silent mode, and the configuration state is failed.
Further, the updating the client positioning information in the client list state includes:
in the aggregation mode, the client positioning information in the client list state is not updated, and in the dispersion mode, the client positioning information in the client list state is updated.
Further, the selecting a client that needs to update the configuration file based on the aggregation mode policy includes:
and sequentially selecting T clients as the clients needing to update the configuration file from the clients with the unconfigured configuration state, wherein T is a preset number.
Further, the selecting a client that needs to update the configuration file based on the distributed mode policy includes:
step 1, adding all clients into a set U;
step 2, removing the clients in the set U except the clients with the unconfigured configuration state, and marking the clients in the set U as unaccessed;
step 3, acquiring T clients with the maximum distance from the configuration server from the clients marked as not-accessed in the set U, marking the clients as accessed and adding the clients into the set U';
step 4, acquiring the clients with the distances to all the clients in the set U' smaller than the single-hop communication coverage of the configured server from the clients marked as not-accessed in the set U, and adding the clients into the set B;
step 5, judging whether the set B is an empty set, if so, rejecting the client closest to the configuration server in the set U', marking the client as not accessed, and returning to the step 4, otherwise, executing the step 6;
step 6, storing the set U 'into a mapping table, wherein the Key Value of the mapping table is the counting number and is initially 0, the Key Value is increased by one every time the mapping table is stored, and the Value is the obtained set U';
step 7, judging whether a client with the distance from the configuration server side smaller than the single-hop communication coverage of the configuration server side exists in the set B, if so, deleting the client with the distance from the configuration server side larger than the single-hop communication coverage of the configuration server side in the set B, storing the set B in a mapping table to execute step 9, otherwise, executing step 8;
step 8, taking the set B as a set U', emptying the set B, and returning to the step 4;
step 9, traversing the mapping table, taking the client in the set with the Key value of 0 as the client needing to update the configuration file, and taking one client from the set with the Key value of 0 as an intermediate routing node when performing configuration updating;
step 10, judging whether the sum of the clients needing to update the configuration files and the intermediate routing nodes during configuration updating is larger than T, if so, deleting the corresponding number of the clients needing to update the configuration files until the sum of the clients needing to update the configuration files and the intermediate routing nodes during configuration updating is not larger than T, otherwise, ending the operation;
wherein T is a preset number.
Example 4
Based on the same inventive concept, the present invention further provides an automatic configuration device of an unmanned cluster in a wireless ad hoc network environment, as shown in fig. 6, the automatic configuration device of an unmanned cluster in a wireless ad hoc network environment comprises:
the sending module is used for sending a query configuration strategy request with self-positioning information to the configuration server side based on the network card mode;
and the control module is used for controlling the network card mode of the client based on the network card mode corresponding to the client list state fed back by the receiving and configuring server.
Preferably, the sending a query configuration policy request with self-positioning information to the configuration server based on the network card mode includes:
when the network card mode is the silent mode, the network card is closed until the silent time is reached, after the silent time is reached, a network card of the user self is opened, and a query configuration strategy request with positioning information of the user self is sent to a configuration server side;
and when the network card mode is the communication mode, keeping the network card in an open state, and sending a query configuration strategy request with self positioning information to the configuration server.
Preferably, the controlling the network card mode of the client based on the feedback of the receiving configuration server in the network card mode corresponding to the client list state includes:
when a network card mode corresponding to the client list state of a client fed back by a configuration server is received, if the network card mode is a silent mode, updating the network card operation mode to be the silent mode, closing the network card per se, and if the network card mode is a communication mode, updating the network card operation mode to be the communication mode;
when the network card mode corresponding to the client side in the client side list state, fed back by the configuration server side, cannot be received, sending a query configuration strategy request with self positioning information to the configuration server side until the network card mode corresponding to the client side in the client side list state, fed back by the configuration server side, or the sending times reaches a preset value.
Example 5
Based on the same inventive concept, the present invention also provides a computer device comprising a processor and a memory, the memory being configured to store a computer program comprising program instructions, the processor being configured to execute the program instructions stored by the computer storage medium. The Processor may be a Central Processing Unit (CPU), or may be other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable gate array (FPGA) or other Programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, etc., which is a computing core and a control core of the terminal, and is specifically adapted to implement one or more instructions, and to specifically load and execute one or more instructions in a computer storage medium, so as to implement a corresponding method flow or a corresponding function, so as to implement the steps of the method for automatically configuring an unmanned cluster in a wireless ad hoc network environment in the foregoing embodiments.
Example 6
Based on the same inventive concept, the present invention further provides a storage medium, in particular a computer readable storage medium (Memory), which is a Memory device in a computer device and is used for storing programs and data. It is understood that the computer readable storage medium herein can include both built-in storage medium in the computer device and, of course, extended storage medium supported by the computer device. The computer-readable storage medium provides a storage space storing an operating system of the terminal. Also, the memory space stores one or more instructions, which may be one or more computer programs (including program code), adapted to be loaded and executed by the processor. It should be noted that the computer-readable storage medium may be a high-speed RAM memory, or may be a non-volatile memory (non-volatile memory), such as at least one disk memory. One or more instructions stored in the computer-readable storage medium may be loaded and executed by the processor to implement the steps of the method for automatically configuring an unmanned cluster in a wireless ad hoc network environment in the foregoing embodiments.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims (15)

1. An automated configuration method for an unmanned cluster in a wireless ad hoc network environment, the method comprising:
step S101, initializing a client list state, and setting a selection strategy of a client needing to update a configuration file;
step S102, detecting whether a client with an unconfigured configuration state exists in the client list state, if so, selecting a client needing to update the configuration file from the clients with the unconfigured configuration state based on the selection strategy, updating the client list state and executing step S103, otherwise, ending the operation;
step S103, updating the configuration file of the client needing to update the configuration file, transmitting the configuration file to the client needing to update the configuration file, and returning to the step S102 after updating the client list state;
when a query configuration policy request sent by a client is received, acquiring client positioning information attached in the query configuration policy request, updating the client positioning information in a client list state, and feeding back a network card mode corresponding to the client positioning information in the client list state to the client sending the query configuration policy request; the client list state includes: positioning information, network card mode and configuration state.
2. The method according to claim 1, wherein in step S101, the client list state initialization comprises:
the initialized client positioning information is 0, the network card mode is a communication mode, and the configuration state is unconfigured.
3. The method according to claim 1, wherein in step S101, the setting of the selection policy of the client that needs to update the configuration file includes:
when the clients are all located in the single-hop communication coverage range of the configuration server, the clients needing to update the configuration files are selected based on the aggregation mode strategy, and when the clients located outside the single-hop communication coverage range of the configuration server exist, the clients needing to update the configuration files are selected based on the dispersion mode strategy.
4. The method of claim 1, wherein in step S102, updating the client list state comprises:
updating the network card mode of the client needing to update the configuration file into a communication mode, wherein the configuration state is waiting configuration; updating a client network card mode as an intermediate routing node into a communication mode; and updating the network card mode of other clients into a silent mode.
5. The method of claim 1, wherein updating the client list state in step S103 comprises:
if the configuration file is transmitted successfully, the network card mode of the client is updated to be a silent mode, the configuration state is successful, otherwise, the configuration file is transmitted to the client needing to update the configuration file again, after the transmission times reach the preset times, the transmission of the configuration file is still unsuccessful, the network card mode of the client is updated to be the silent mode, and the configuration state is failed.
6. The method of claim 3, wherein the updating the client location information in the client list state comprises:
in the aggregation mode, the client positioning information in the client list state is not updated, and in the dispersion mode, the client positioning information in the client list state is updated.
7. The method of claim 3, wherein selecting the client needing to update the configuration file based on the aggregation mode policy comprises:
and sequentially selecting T clients as the clients needing to update the configuration file from the clients with the unconfigured configuration state, wherein T is a preset number.
8. The method of claim 3, wherein selecting the client needing to update the configuration file based on the decentralized pattern policy comprises:
step 1, adding all clients into a set U;
step 2, removing the clients in the set U except the clients with the unconfigured configuration state, and marking the clients in the set U as unaccessed clients;
step 3, acquiring T clients with the maximum distance from the configuration server side from the clients marked as not-accessed clients in the set U, marking the clients as accessed clients and adding the clients into the set U';
step 4, acquiring the clients with the distances to all the clients in the set U' smaller than the single-hop communication coverage of the configured server from the clients marked as not-accessed in the set U, and adding the clients into the set B;
step 5, judging whether the set B is an empty set, if so, rejecting the client side closest to the configuration server side in the set U', marking the client side as not-accessed and returning to the step 4, otherwise, executing the step 6;
step 6, storing the set U 'into a mapping table, wherein the Key Value of the mapping table is the counting number and is initially 0, the Key Value is added by one every time the mapping table is stored, and the Value is the obtained set U';
step 7, judging whether a client with the distance from the configuration server side smaller than the single-hop communication coverage of the configuration server side exists in the set B, if so, deleting the client with the distance from the configuration server side larger than the single-hop communication coverage of the configuration server side in the set B, storing the set B in a mapping table to execute step 9, otherwise, executing step 8;
step 8, taking the set B as a set U', emptying the set B, and returning to the step 4;
step 9, traversing the mapping table, taking the client in the set with the Key value of 0 as the client needing to update the configuration file, and taking one client from the set with the Key value of not 0 as an intermediate routing node when performing configuration updating;
step 10, judging whether the sum of the clients needing to update the configuration files and the intermediate routing nodes during configuration updating is more than T, if so, deleting the corresponding number of the clients needing to update the configuration files until the sum of the clients needing to update the configuration files and the intermediate routing nodes during configuration updating is not more than T, and if not, finishing the operation;
wherein T is a preset number.
9. An automated configuration method for an unmanned cluster in a wireless ad hoc network environment, the method comprising:
sending a query configuration strategy request with self-positioning information to a configuration server side based on a network card mode;
and controlling the network card mode of the client based on the network card mode corresponding to the client list state fed back by the receiving and configuring server.
10. The method as claimed in claim 9, wherein the sending the query configuration policy request with self-positioning information to the configuration server based on the network card mode comprises:
when the network card mode is a silent mode, the network card is closed until the silent time is reached, after the silent time is reached, the network card of the user is opened to send a query configuration strategy request with positioning information of the user to the configuration server;
and when the network card mode is the connection mode, keeping the network card in an open state, and sending a query configuration strategy request with self positioning information to the configuration server.
11. The method as claimed in claim 9, wherein the controlling the network card mode based on the network card mode corresponding to the client side receiving the feedback from the configuration server side in the client side list state comprises:
when a network card mode corresponding to the client list state of a client fed back by a configuration server is received, if the network card mode is a silent mode, updating the network card operation mode to be the silent mode, closing the network card per se, and if the network card mode is a communication mode, updating the network card operation mode to be the communication mode;
when the network card mode corresponding to the client side list state fed back by the configuration server side cannot be received, sending a query configuration strategy request with self positioning information to the configuration server side until the network card mode corresponding to the client side list state fed back by the configuration server side is received or the sending times reach a preset value.
12. An automated configuration apparatus for an unmanned cluster in a wireless ad hoc network environment, the apparatus comprising:
the initialization module is used for initializing the list state of the client and setting a selection strategy of the client needing to update the configuration file;
the updating module is used for detecting whether a client with an unconfigured configuration state exists in the client list state, if so, selecting the client needing to update the configuration file from the clients with the unconfigured configuration state based on the selection strategy, updating the client list state and executing the configuration file transmission module, and if not, finishing the operation;
the configuration file transmission module is used for updating the configuration file of the client needing to update the configuration file, transmitting the configuration file to the client needing to update the configuration file, and returning the configuration file to the update module after updating the client list state;
when a query configuration policy request sent by a client is received, client positioning information attached in the query configuration policy request is obtained, the client positioning information in a client list state is updated, and a network card mode corresponding to the client positioning information in the client list state is fed back to the client sending the query configuration policy request; the client list state includes: positioning information, network card mode and configuration state.
13. An automated configuration apparatus for an unmanned cluster in a wireless ad hoc network environment, the apparatus comprising:
the sending module is used for sending a query configuration strategy request with self-positioning information to the configuration server side based on the network card mode;
and the control module is used for controlling the network card mode of the client side based on the network card mode corresponding to the client side list state fed back by the receiving and configuring server side.
14. A computer device, comprising: one or more processors;
the processor to store one or more programs;
the one or more programs, when executed by the one or more processors, implement a method for automated configuration of an unmanned cluster in a wireless ad hoc network environment as claimed in any one of claims 1 to 8 or 9-11.
15. A computer-readable storage medium, having stored thereon a computer program which, when executed, implements a method for automated configuration of an unmanned cluster in a wireless ad hoc network environment as claimed in any one of claims 1 to 8 or 9-11.
CN202210812307.6A 2022-07-11 2022-07-11 Automatic configuration method and device for unmanned cluster in wireless ad hoc network environment Pending CN115412935A (en)

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