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opc

package module

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Versions in this module

v0

v0.2.0

Jan 20, 2025

Changes in this version

+ type ErrResult struct — windows/amd64

+ Message string

+ Tag string

v0.1.7

Jan 13, 2025

Changes in this version

type Connection

+ CreateBrowser func(path string) (*Tree, error)

v0.1.6

Jan 13, 2025

v0.1.5

Jan 13, 2025

Changes in this version

+ func FindOPCWrappers() ([]string, error) — windows/amd64

v0.1.4

Jan 7, 2025

v0.1.3

Dec 18, 2024

v0.1.2

Dec 18, 2024

v0.1.1

Dec 17, 2024

Changes in this version

type Connection

+ IsConnected func() bool

v0.1.0

Dec 17, 2024

Changes in this version

+ const OPCCache

+ const OPCDevice

+ const OPCDisconnected

+ const OPCFailed

+ const OPCNoconfig

+ const OPCQualityBad

+ const OPCQualityGood

+ const OPCQualityGoodButForced

+ const OPCQualityMask

+ const OPCQualityUncertain

+ const OPCRunning

+ const OPCSuspended

+ const OPCTest

+ func CollectTags(tree *Tree) []string

+ func Debug()

+ func OleInit() — windows/amd64

+ func OleRelease() — windows/amd64

+ func PrettyPrint(tree *Tree)

+ func SetLogWriter(w io.Writer)

+ func StartMonitoring(port string)

+ type AutomationItems struct — windows/amd64

+ func NewAutomationItems(opcitems *ole.IDispatch) *AutomationItems

+ func (ai *AutomationItems) Add(tags ...string) error

+ func (ai *AutomationItems) Close()

+ func (ai *AutomationItems) Remove(tag string)

+ type AutomationObject struct — windows/amd64

+ func NewAutomationObject() *AutomationObject

+ func (ao *AutomationObject) Close()

+ func (ao *AutomationObject) Connect(server string, node string) (*AutomationItems, error)

+ func (ao *AutomationObject) CreateBrowser() (*Tree, error)

+ func (ao *AutomationObject) GetOPCServers(node string) []string

+ func (ao *AutomationObject) IsConnected() bool

+ func (ao *AutomationObject) TryConnect(server string, nodes []string) (*AutomationItems, error)

+ type Collector interface

+ Get func(string) (interface{}, bool)

+ Sync func(Connection, time.Duration) io.Closer

+ func NewDataModel() Collector

+ type Connection interface

+ Add func(...string) error

+ Close func()

+ Read func() (map[string]Item, error)

+ ReadItem func(string) Item

+ Remove func(string)

+ Tags func() []string

+ Write func(string, interface{}) error

+ func NewConnection(server string, nodes []string, tags []string) (Connection, error)

+ type Item struct

+ Err interface{}

+ Quality int16

+ Tag string

+ Timestamp time.Time

+ Value interface{}

+ func (i *Item) Good() bool

+ type Leaf struct

+ Name string

+ Tag string

+ type Tree struct

+ Branches []*Tree

+ Leaves []Leaf

+ Name string

+ Parent *Tree

+ func CreateBrowser(server string, nodes []string) (*Tree, error)

+ func ExtractBranchByName(tree *Tree, name string) *Tree