CN102546831A - Dynamic display method for wireless sensor network topological diagram - Google Patents
Dynamic display method for wireless sensor network topological diagram Download PDFInfo
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- CN102546831A CN102546831A CN201210048931XA CN201210048931A CN102546831A CN 102546831 A CN102546831 A CN 102546831A CN 201210048931X A CN201210048931X A CN 201210048931XA CN 201210048931 A CN201210048931 A CN 201210048931A CN 102546831 A CN102546831 A CN 102546831A
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Abstract
The invention discloses a dynamic display method for a wireless sensor network topological diagram, belonging to the technical field of wireless sensor networks. The method is implemented through a wireless sensor network, a host computer and a WEB station. The method comprises the following steps: the wireless sensor network is networked, transmits the address information of the wireless sensor network to a coordinator node through a router, and transmits received data information to the host computer, wherein the node is connected with the host machine through an RS232 interface; the host computer performs data resolving and writes collected data information into an MySQL database; and the WEB station accesses the MySQL database and performs data processing to realize dynamic display of the network topological diagram. In the method, the topological structure of the network is displayed dynamically in a webpage in real time, the structure and layer relations among entities in the network, i.e., the connection relation and layer relation among nodes and the type display state of each node are reflected easily and clearly, and working personnel can position wireless sensor network nodes and design the topological structure conveniently.
Description
Technical field
The present invention relates to the dynamic display method of a kind of wireless sensor network topology figure, belong to the wireless sensor network technology field.
Background technology
The wireless sensor network wireless network that to be a large amount of sensor nodes constitute with the mode of self-organizing and multi-hop; Its objective is the environmental variance information that cooperation ground perception, collection, processing and transmission network zone inner sensor node are gathered, and useful data message is reported to the user.
Wireless sensor network has two kinds of network topology structures: the topological structure of star-like topological structure and equity.The star topology network configuration has a master coordinator and a plurality of terminal equipment, and master coordinator is necessary for the equipment of a complete function, and terminal equipment both can be complete function equipment and also can be the simplification function device.In stelliform connection topology configuration, can not direct communication between each terminal equipment, can only communicate by letter with master coordinator.The equity topological network mechanism in, equally also have a master coordinator, but this network different with the star topology network configuration be that any one equipment in this network is so long as in its communication range, just can communicate with miscellaneous equipment.The equity topology network architecture can constitute comparatively complicated network configuration, for example, fully connected topology, this reciprocity topology network architecture all is widely used at the aspects such as tracking of industrial monitoring, the monitoring of intelligent drug safety, agriculture intellectuality and agricultural product.
The scope that wireless sensor network covers is extremely wide; Node in the network is because a variety of causes may withdraw from the network at place; But not the node in the network may ask to add this network, so the position between each node relation and hierarchical structure is as easy as rolling off a log obscures in the wireless sensor network.The exhibiting method of traditional network topology structure can only represent the structural relation between the node of prior setting; The network topology structure of record just makes a mistake when network configuration changes, and therefore the exhibiting method of this network topology structure can not satisfy the demand of wireless sensor network dynamic group net.Patent open (bulletin) number is that methods of exhibiting and the equipment that the patent of " a kind of methods of exhibiting of network topology structure and equipment " discloses a kind of network topology structure just exists this defective for CN101217410, denomination of invention.The present invention will present topology of networks real-time dynamicly in webpage; The structure and the hierarchical relationship of each inter-entity in the reflection network; Be that annexation, the hierarchical relationship between each node and each node types between each node represents state; Simple and clear, be very easy to the staff to the location of wireless sensor network node and the design of topological structure.
Summary of the invention
For defective and the deficiency that overcomes prior art, realize wireless sensor network network topology structure Real time dynamic display with appear, the invention provides the dynamic display method of a kind of wireless sensor network topology figure.
Technical solution of the present invention is following:
The dynamic display method of a kind of wireless sensor network topology figure; Realize by wireless sensor network, host computer and WEB website institute group system; Wireless sensor network mainly comprises coordinator node, routing node and terminal node; Coordinator node is used for starting and Control Network configuration network member address; Routing node is used for the coverage rate of extended network; Terminal node can send or receive an information, but can not carry out any routing operations; After the wireless sensor networking, the address information process route with self is delivered to coordinator node; Coordinator node is connected with host computer through the RS232 interface, and gives host computer with the data information transfer that receives, thereby host computer writes the MySQL database through data parsing with the data message of collecting; WEB site access MySQL database; Through the processing of data, realize the dynamic demonstration of network topological diagram, this method step is following:
1) wireless sensor networking
A1) coordinator node powers on;
A2) coordinator node issue networking request primitive;
A3) select network identity;
A4) setting network address;
A5) other routing node and terminal node request add network;
2) routing node and terminal node carry out information gathering and upload in the network
The network address that routing node and terminal node obtain the corresponding network address and write down its father node, above-mentioned each node
Network address information arrives coordinator node through one or the route of a plurality of routing nodes with information uploading;
3) host computer receives the data message that carries network node address;
4) host computer is resolved the network information that receives and is write database
1. upper computer software is resolved according to the data format of local system the data message of coordinator node transmission;
2. call the C++ interface that the MySQL database provides, connect the MySQL database through network;
3. utilize MySQL to insert statement (INSERT INTO) and write the data message after resolving to the MySQL database;
5) the WEB website reads the information of node the wireless sensor network from database, analyzes node type in the wireless sensor network, the hierarchical relationship between the node, the annexation between the node
< 1>utilize the query statement (SELECT FROM) of MySQL database from the table_dev_inf table, to obtain the node that node type is a telegon (NODE_TYPE=9), promptly the root node of network topological diagram is positioned at the 0th layer (stage=0);
< 2>utilize the query statement (SELECT FROM) of MySQL database and conditional statement (WHERE) to obtain the child node that the father node address is the telegon address from the table_dev_inf table; And judge node type (the telegon NODE_TYPE=9 of these child nodes; Router NODE_TYPE=7; Terminal node NODE_TYPE=6), be positioned at the 1st layer (stage=1);
< 3>be as father node with the child node in the above-mentioned steps, inquire about the child node of this child node, the node type of judging child node and the hierarchical relationship of node;
< 4>repeat step < 3 >, finish up to all querying nodes, thus node type, hierarchical relationship and the annexation of definite each node;
6) draw and in webpage, present topological diagram
A. painting canvas empties;
B. the position of initialization painting canvas and size (Topo.init);
C. utilize the node type that above-mentioned described step 5) obtains and the data message of node level, the node data in the initialization network topological diagram (initNodeData);
D. utilize the node data of step c, in network topological diagram, set up corresponding network node;
E. utilize the node annexation in the above-mentioned described step 5), the line in the initialization network topological diagram between the node (initLineData);
F. utilize the line data between the node among the step e, in network topological diagram, set up the line between the corresponding network node;
G. utilize steps d and the node of the used acquisition of step f and the line between the node, accomplish the demonstration of topological diagram on painting canvas;
H. with topological diagram be presented at webpage (<div id=" topo ”></topo>) on;
I. periodic refreshing webpage (setInterval (refreshTopoInfo, 60000)), thereby the variation of the network topological diagram of display radio sensor network real-time dynamicly.
Above-mentioned table_dev_inf table is the table of host computer to the information such as the father node network address of MySQL database write ingress type, meshed network address, node.
Above-mentioned (Topo.init) is topological diagram initialization function (removing existing node and line in the topological diagram).
Above-mentioned (initNodeData) is the function of node in the initialization topological diagram.
Above-mentioned (<div id=" topo ”></topo>) be the zone that wireless sensor network topology figure shows in WEB website webpage.
Above-mentioned (setInterval (refreshTopoInfo, 60000)) are the statements of periodic refreshing network topological diagram, thereby guarantee the dynamic demonstration of network topological diagram.
Above-mentioned father node is in data structure, is used for describing the noun of " tree " type structure.This structure is as a tree that is falling.Every leaf is all grown on a node, and this node just is called the father node of this leaf.And the father node of leaf necessarily also has top father node, like this one-level one-level root node of having arrived that gets on.
Step 1) wireless sensor networking recited above, wireless sensor network mainly comprises coordinator node, routing node and terminal node.Coordinator node is used for starting and Control Network configuration network member address; Routing node is used for the coverage rate of extended network; Terminal node can send or receive an information, but can not carry out any routing operations.
After the wireless sensor networking, the network address that each node obtains the corresponding network address and writes down its father node.The network address information of each node was advanced one or the route of a plurality of routing nodes, and information uploading is arrived coordinator node.
Coordinator node links to each other with host computer through the RS232 interface, and communicating by letter between coordinator node and the host computer need be formulated certain communication specification.Step 3) of the present invention in order to receive data by prescribed form from the RS232 interface, also in order from the data that receive, the information of needs to be extracted, needs work out user's serial communication protocol when realizing the communicating by letter of coordinator node and host computer.Serial communication protocol is divided into basic communication protocol and telex network agreement; Basic communication protocol is generally provided by computer hardware provider and equipment producer; In general communication programming, seldom relate to; The client layer agreement is then towards the user, just said here communication protocol.The communication protocol of this client layer; Briefly, be exactly that data with which kind of form send, perhaps how from the serial data of certain form of receiving, extract the data that need; And the correctness that in transmission and receiving course, how to guarantee these data, data check.
The communication specification that uses among the present invention has defined the order of five kinds of forms: host computer starts/closes the order of telegon radio function; Host computer allows the particular terminal work order; Sink nodes are uploaded data and the order of host computer down-transmitting data; Sink nodes are uploaded the terminal address message command, reply and confirm order.Host computer starts/closes the order of telegon radio function and is used for starting and closing wireless sensor network.Telegon is opened, and impels each sensor node to obtain the network address automatically, forms network.The networking finishes afterwards, and each sensor node begins the collection of data message and uploads.Host computer allows the particular terminal work order to be used to control the working condition of particular sensor node.Can control each node flexibly through this order, when there is redundancy in the sensor node in a certain zone, can close redundant sensor node, avoid the waste of hardware resource through PC control.Sink nodes are uploaded this order of data and host computer down-transmitting data order and are used for communicating by letter between host computer and the wireless sensor network sensor node.The data message of sensor node collection converts environmental variance into data flow through this order and uploads, and host computer passes down through this order the control information of sensor node.Sink nodes are uploaded the terminal address message command and are used for host computer is uploaded in the address of each sensor node, and host computer is operated and controlled each sensor node through the address of each sensor node then.Reply to confirm that order is used to guarantee the reliability of communicating by letter.Five kinds of orders using among the present invention all are to begin and finish with 0x7e, thereby distinguish two orders that successively arrive.Comprise order length, command type, terminal number, the network address, data, IEEE address and CRC fields such as (Cyclic Redundancy Check are called for short CRC) in the order.The field that comprises in the different command is different, need be provided with separately.
Above-mentioned step 5) WEB website reads the information of node the wireless sensor network from database, analyzes node type in the wireless sensor network, the hierarchical relationship between the node, the annexation between the node.
Above-mentioned described step 6) is drawn and in webpage, is presented topological diagram, and the key of realization depends on the plug-in unit MooTools of JavaScript.MooTools be one succinct, modularization, the OO JavaScript web application framework of increasing income.It with better function, such as having increased animation special efficacy, drag-and-drop operation or the like, this dynamically shows great help to topological diagram of the present invention.
The present invention has overcome the defective and the deficiency of prior art; A kind of dynamic display method of network topology structure is provided, has write down hierarchical relationship, the annexation between the node and each node type between the node in the network topology structure of wireless sensor network.Hierarchical relationship and annexation that the present invention shows each node according to the set membership between the wireless sensor network node represent the network topology structure of wireless sensor network according to the annexation of the node of current demonstration and current demonstration.The dynamic display method of the network topological diagram of a kind of wireless sensor network proposed by the invention has great practicality.
Description of drawings
Fig. 1 is the FB(flow block) of the inventive method.Wherein 1) be each step in its process-6).
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified, but be not limited thereto.
Embodiment:
The embodiment of the invention is as shown in Figure 1; The dynamic display method of a kind of wireless sensor network topology figure; Realize by wireless sensor network, host computer and WEB website institute group system; Wireless sensor network mainly comprises coordinator node, routing node and terminal node, and coordinator node is used for starting and Control Network configuration network member address; Routing node is used for the coverage rate of extended network; Terminal node can send or receive an information, but can not carry out any routing operations; After the wireless sensor networking, the address information process route with self is delivered to coordinator node; Coordinator node is connected with host computer through the RS232 interface, and gives host computer with the data information transfer that receives, thereby host computer writes the MySQL database through data parsing with the data message of collecting; WEB site access MySQL database; Through the processing of data, realize the dynamic demonstration of network topological diagram, this method step is following:
1) wireless sensor networking
A1) coordinator node powers on;
A2) coordinator node issue networking request primitive;
A3) select network identity;
A4) setting network address;
A5) other routing node and terminal node request add network;
2) routing node and terminal node carry out information gathering and upload in the network
The network address that routing node and terminal node obtain the corresponding network address and write down its father node, the network address information of above-mentioned each node are arrived coordinator node through one or the route of a plurality of routing nodes with information uploading;
3) host computer receives the data message that carries network node address;
4) host computer is resolved the network information that receives and is write database
1. upper computer software is resolved according to the data format of local system the data message of coordinator node transmission;
2. call the C++ interface that the MySQL database provides, connect the MySQL database through network;
3. utilize MySQL to insert statement (INSERT INTO) and write the data message after resolving to the MySQL database;
5) the WEB website reads the information of node the wireless sensor network from database, analyzes node type in the wireless sensor network, the hierarchical relationship between the node, the annexation between the node
< 1>utilize the query statement (SELECT FROM) of MySQL database from the table_dev_inf table, to obtain the node that node type is a telegon (NODE_TYPE=9), promptly the root node of network topological diagram is positioned at the 0th layer (stage=0);
< 2>utilize the query statement (SELECT FROM) of MySQL database and conditional statement (WHERE) to obtain the child node that the father node address is the telegon address from the table_dev_inf table; And judge node type (the telegon NODE_TYPE=9 of these child nodes; Router NODE_TYPE=7; Terminal node NODE_TYPE=6), be positioned at the 1st layer (stage=1);
< 3>be as father node with the child node in the above-mentioned steps, inquire about the child node of this child node, the node type of judging child node and the hierarchical relationship of node;
< 4>repeat step < 3 >, finish up to all querying nodes, thus node type, hierarchical relationship and the annexation of definite each node;
6) draw and in webpage, present topological diagram
A. painting canvas empties;
B. the position of initialization painting canvas and size (Topo.init);
C. utilize the node type that above-mentioned described step 5) obtains and the data message of node level, the node data in the initialization network topological diagram (initNodeData);
D. utilize the node data of step c, in network topological diagram, set up corresponding network node;
E. utilize the node annexation in the above-mentioned described step 5), the line in the initialization network topological diagram between the node (initLineData);
F. utilize the line data between the node among the step e, in network topological diagram, set up the line between the corresponding network node;
G. utilize steps d and the node of the used acquisition of step f and the line between the node, accomplish the demonstration of topological diagram on painting canvas;
H. with topological diagram be presented at webpage (<div id=" topo ”></topo>) on;
I. periodic refreshing webpage (setInterval (refreshTopoInfo, 60000)), thereby the variation of the network topological diagram of display radio sensor network real-time dynamicly.
Claims (1)
1. the dynamic display method of a wireless sensor network topology figure; Realize by wireless sensor network, host computer and WEB website institute group system; Wireless sensor network mainly comprises coordinator node, routing node and terminal node; Coordinator node is used for starting and Control Network configuration network member address; Routing node is used for the coverage rate of extended network; Terminal node can send or receive an information, but can not carry out any routing operations; After the wireless sensor networking, the address information process route with self is delivered to coordinator node; Coordinator node is connected with host computer through the RS232 interface, and gives host computer with the data information transfer that receives, thereby host computer writes the MySQL database through data parsing with the data message of collecting; WEB site access MySQL database; Through the processing of data, realize the dynamic demonstration of network topological diagram, this method step is following:
1) wireless sensor networking
A1) coordinator node powers on;
A2) coordinator node issue networking request primitive;
A3) select network identity;
A4) setting network address;
A5) other routing node and terminal node request add network;
2) routing node and terminal node carry out information gathering and upload in the network
The network address that routing node and terminal node obtain the corresponding network address and write down its father node, the network address information of above-mentioned each node are arrived coordinator node through one or the route of a plurality of routing nodes with information uploading;
3) host computer receives the data message that carries network node address;
4) host computer is resolved the network information that receives and is write database
1. upper computer software is resolved according to the data format of local system the data message of coordinator node transmission;
2. call the C++ interface that the MySQL database provides, connect the MySQL database through network;
3. utilize MySQL to insert statement (INSERT INTO) and write the data message after resolving to the MySQL database;
5) the WEB website reads the information of node the wireless sensor network from database, analyzes node type in the wireless sensor network, the hierarchical relationship between the node, the annexation between the node
< 1>utilize the query statement (SELECT FROM) of MySQL database from the table_dev_inf table, to obtain the node that node type is a telegon (NODE_TYPE=9), promptly the root node of network topological diagram is positioned at the 0th layer (stage=0);
< 2>utilize the query statement (SELECT FROM) of MySQL database and conditional statement (WHERE) to obtain the child node that the father node address is the telegon address from the table_dev_inf table; And judge node type (the telegon NODE_TYPE=9 of these child nodes; Router NODE_TYPE=7; Terminal node NODE_TYPE=6), be positioned at the 1st layer (stage=1);
< 3>be as father node with the child node in the above-mentioned steps, inquire about the child node of this child node, the node type of judging child node and the hierarchical relationship of node;
< 4>repeat step < 3 >, finish up to all querying nodes, thus node type, hierarchical relationship and the annexation of definite each node;
6) draw and in webpage, present topological diagram
A. painting canvas empties;
B. the position of initialization painting canvas and size (Topo.init);
C. utilize the node type that above-mentioned described step 5) obtains and the data message of node level, the node data in the initialization network topological diagram (initNodeData);
D. utilize the node data of step c, in network topological diagram, set up corresponding network node;
E. utilize the node annexation in the above-mentioned described step 5), the line in the initialization network topological diagram between the node (initLineData);
F. utilize the line data between the node among the step e, in network topological diagram, set up the line between the corresponding network node;
G. utilize steps d and the node of the used acquisition of step f and the line between the node, accomplish the demonstration of topological diagram on painting canvas;
H. with topological diagram be presented at webpage (<div id=" topo ”></topo>) on;
I. periodic refreshing webpage (setInterval (refreshTopoInfo, 60000)), thereby the variation of the network topological diagram of display radio sensor network real-time dynamicly.
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| CN103338528A (en) * | 2013-06-26 | 2013-10-02 | 华清科盛(北京)信息技术有限公司 | Intelligent wireless network with controllable topological structure |
| CN107453916A (en) * | 2017-08-17 | 2017-12-08 | 浪潮软件股份有限公司 | A kind of topological realization method and a kind of cloud messenger service monitor supervision platform |
| CN114143205A (en) * | 2021-12-01 | 2022-03-04 | 杭州联芯通半导体有限公司 | Network topology control method and device, electronic equipment and storage medium |
| CN115022183A (en) * | 2022-06-09 | 2022-09-06 | 重庆邮电大学 | Method for restoring network dynamic topological graph and visually presenting based on monitoring |
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| CN114143205A (en) * | 2021-12-01 | 2022-03-04 | 杭州联芯通半导体有限公司 | Network topology control method and device, electronic equipment and storage medium |
| CN114143205B (en) * | 2021-12-01 | 2023-08-01 | 杭州联芯通半导体有限公司 | Control method and device of network topology, electronic equipment and storage medium |
| CN115022183A (en) * | 2022-06-09 | 2022-09-06 | 重庆邮电大学 | Method for restoring network dynamic topological graph and visually presenting based on monitoring |
| CN115022183B (en) * | 2022-06-09 | 2023-09-12 | 重庆邮电大学 | Method for restoring network dynamic topological graph and visualized presentation based on monitoring |
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Application publication date: 20120704 |