opcuaClient

README

opcua test server

run

docker compose up

to connect to the server: endpoint: opc.tcp://localhost:4840

Documentation

Index

• func ConnectToDevice(ctx context.Context, endpoint string, enableDebug bool) (*opcua.Client, error)
• func GetNodeByNodeId(nodeID string, c *opcua.Client) (*opcua.Node, error)
• func GetNodeChildren(node *opcua.Node, ctx context.Context) ([]*opcua.Node, error)
• func GetNodeDescripe(node *opcua.Node, ctx context.Context) (string, error)
• func GetNodeDisplayName(node *opcua.Node, ctx context.Context) (string, error)
• func GetRootNode(c *opcua.Client) (*opcua.Node, error)
• func ReadMultiValueByNodeIds(nodeIDs []string, nodesReadValueIds []*ua.ReadValueID, ctx context.Context, ...) ([]interface{}, error)
• func ReadValueByNodeId(nodeID string, ctx context.Context, c *opcua.Client) (interface{}, error)
• func WriteMultiValueByNodeIds(nodeIDsWithValue []map[string]interface{}, ctx context.Context, ...) (err error)

Functions

func ConnectToDevice

func ConnectToDevice(ctx context.Context, endpoint string, enableDebug bool) (*opcua.Client, error)

func GetNodeByNodeId

func GetNodeByNodeId(nodeID string, c *opcua.Client) (*opcua.Node, error)

func GetNodeChildren

func GetNodeChildren(node *opcua.Node, ctx context.Context) ([]*opcua.Node, error)

func GetNodeDescripe

func GetNodeDescripe(node *opcua.Node, ctx context.Context) (string, error)

func GetNodeDisplayName

func GetNodeDisplayName(node *opcua.Node, ctx context.Context) (string, error)

func GetRootNode

func GetRootNode(c *opcua.Client) (*opcua.Node, error)

func ReadMultiValueByNodeIds

func ReadMultiValueByNodeIds(nodeIDs []string, nodesReadValueIds []*ua.ReadValueID, ctx context.Context, c *opcua.Client) ([]interface{}, error)

func ReadValueByNodeId

func ReadValueByNodeId(nodeID string, ctx context.Context, c *opcua.Client) (interface{}, error)

func WriteMultiValueByNodeIds

func WriteMultiValueByNodeIds(nodeIDsWithValue []map[string]interface{}, ctx context.Context, c *opcua.Client) (err error)