provider

package
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 Go to latest Published: Nov 23, 2024 License: MIT Imports: 46 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func Cached 

func Cached[T any](g func() (T, error), cache time.Duration) func() (T, error)

Cached wraps a getter with a cache

func NewBoolGetterFromConfig 

func NewBoolGetterFromConfig(ctx context.Context, config Config) (func() (bool, error), error)

NewBoolGetterFromConfig creates a BoolGetter from config

func NewBoolSetterFromConfig 

func NewBoolSetterFromConfig(ctx context.Context, param string, config Config) (func(bool) error, error)

NewBoolSetterFromConfig creates a BoolSetter from config

func NewBytesSetterFromConfig 

func NewBytesSetterFromConfig(ctx context.Context, param string, config Config) (func([]byte) error, error)

NewBytesSetterFromConfig creates a BytesSetter from config

func NewCombinedProvider 

func NewCombinedProvider(plugged, charging func() (bool, error)) *combinedProvider

NewCombinedProvider creates provider for OpenWB status converted from MQTT topics

func NewFloatGetterFromConfig 

func NewFloatGetterFromConfig(ctx context.Context, config Config) (func() (float64, error), error)

NewFloatGetterFromConfig creates a FloatGetter from config

func NewFloatSetterFromConfig 

func NewFloatSetterFromConfig(ctx context.Context, param string, config Config) (func(float642 float64) error, error)

NewFloatSetterFromConfig creates a FloatSetter from config

func NewIntGetterFromConfig 

func NewIntGetterFromConfig(ctx context.Context, config Config) (func() (int64, error), error)

NewIntGetterFromConfig creates a IntGetter from config

func NewIntSetterFromConfig 

func NewIntSetterFromConfig(ctx context.Context, param string, config Config) (func(int64) error, error)

NewIntSetterFromConfig creates a IntSetter from config

func NewStringGetterFromConfig 

func NewStringGetterFromConfig(ctx context.Context, config Config) (func() (string, error), error)

NewStringGetterFromConfig creates a StringGetter from config

func NewStringSetterFromConfig 

func NewStringSetterFromConfig(ctx context.Context, param string, config Config) (func(string) error, error)

NewStringSetterFromConfig creates a StringSetter from config

func ResetCached 

func ResetCached()

func ResettableCached 

func ResettableCached[T any](g func() (T, error), cache time.Duration) *cached[T]

ResettableCached wraps a getter with a cache. It returns a `Cacheable`. Instead of the cached getter, the `Get()` and `Reset()` methods are exposed.

Types

type Auth 

type Auth struct {
	Type, User, Password string
}

Auth is the authorization config

type BoolProvider 

type BoolProvider interface {
	BoolGetter() (func() (bool, error), error)
}

provider types

type Cacheable 

type Cacheable[T any] interface {
	Get() (T, error)
	Reset()
}

Cacheable is the interface for a resettable cache

type Case 

type Case struct {
	Case string
	Set  Config
}

type Config 

type Config struct {
	Source string
	Other  map[string]any `mapstructure:",remain" yaml:",inline"`
}

Config is the general provider config

type FloatProvider 

type FloatProvider interface {
	FloatGetter() (func() (float64, error), error)
}

provider types

type Getters 

type Getters interface {
	StringProvider
	FloatProvider
	IntProvider
	BoolProvider
}

provider types

type Go 

type Go struct {
	// contains filtered or unexported fields
}

Go implements Go request provider

func (*Go) BoolGetter 

func (p *Go) BoolGetter() (func() (bool, error), error)

BoolGetter parses bool from request

func (*Go) BoolSetter 

func (p *Go) BoolSetter(param string) (func(bool) error, error)

BoolSetter sends bool request

func (*Go) FloatGetter 

func (p *Go) FloatGetter() (func() (float64, error), error)

FloatGetter parses float from request

func (*Go) FloatSetter 

func (p *Go) FloatSetter(param string) (func(float64) error, error)

FloatSetter sends float request

func (*Go) IntGetter 

func (p *Go) IntGetter() (func() (int64, error), error)

IntGetter parses int64 from request

func (*Go) IntSetter 

func (p *Go) IntSetter(param string) (func(int64) error, error)

IntSetter sends int request

func (*Go) StringGetter 

func (p *Go) StringGetter() (func() (string, error), error)

StringGetter parses string from request

func (*Go) StringSetter 

func (p *Go) StringSetter(param string) (func(string) error, error)

StringSetter sends string request

type HTTP 

type HTTP struct {
	*request.Helper
	// contains filtered or unexported fields
}

HTTP implements HTTP request provider

func NewHTTP 

func NewHTTP(log *util.Logger, method, uri string, insecure bool, cache time.Duration) *HTTP

NewHTTP create HTTP provider

func (HTTP) BoolGetter 

func (p HTTP) BoolGetter() (func() (bool, error), error)

BoolGetter parses bool from exec result. "on", "true" and 1 are considered truish.

func (*HTTP) BoolSetter 

func (p *HTTP) BoolSetter(param string) (func(bool) error, error)

BoolSetter sends bool request

func (HTTP) FloatGetter 

func (p HTTP) FloatGetter() (func() (float64, error), error)

FloatGetter parses float from exec result

func (*HTTP) FloatSetter 

func (p *HTTP) FloatSetter(param string) (func(float64) error, error)

FloatSetter sends int request

func (HTTP) IntGetter 

func (p HTTP) IntGetter() (func() (int64, error), error)

IntGetter parses int64 from exec result

func (*HTTP) IntSetter 

func (p *HTTP) IntSetter(param string) (func(int64) error, error)

IntSetter sends int request

func (*HTTP) StringGetter 

func (p *HTTP) StringGetter() (func() (string, error), error)

StringGetter sends string request

func (*HTTP) StringSetter 

func (p *HTTP) StringSetter(param string) (func(string) error, error)

StringSetter sends string request

func (*HTTP) WithAuth 

func (p *HTTP) WithAuth(typ, user, password string) (*HTTP, error)

WithAuth adds authorized transport

func (*HTTP) WithBody 

func (p *HTTP) WithBody(body string) *HTTP

WithBody adds request body

func (*HTTP) WithHeaders 

func (p *HTTP) WithHeaders(headers map[string]string) *HTTP

WithHeaders adds request headers

func (*HTTP) WithPipeline 

func (p *HTTP) WithPipeline(pipeline *pipeline.Pipeline) *HTTP

WithPipeline adds a processing pipeline

type IntProvider 

type IntProvider interface {
	IntGetter() (func() (int64, error), error)
}

provider types

type Javascript 

type Javascript struct {
	// contains filtered or unexported fields
}

Javascript implements Javascript request provider

func (*Javascript) BoolGetter 

func (p *Javascript) BoolGetter() (func() (bool, error), error)

BoolGetter parses bool from request

func (*Javascript) BoolSetter 

func (p *Javascript) BoolSetter(param string) (func(bool) error, error)

BoolSetter sends bool request

func (*Javascript) FloatGetter 

func (p *Javascript) FloatGetter() (func() (float64, error), error)

FloatGetter parses float from request

func (*Javascript) FloatSetter 

func (p *Javascript) FloatSetter(param string) (func(float64) error, error)

FloatSetter sends float request

func (*Javascript) IntGetter 

func (p *Javascript) IntGetter() (func() (int64, error), error)

IntGetter parses int64 from request

func (*Javascript) IntSetter 

func (p *Javascript) IntSetter(param string) (func(int64) error, error)

IntSetter sends int request

func (*Javascript) StringGetter 

func (p *Javascript) StringGetter() (func() (string, error), error)

StringGetter parses string from request

func (*Javascript) StringSetter 

func (p *Javascript) StringSetter(param string) (func(string) error, error)

StringSetter sends string request

type Modbus 

type Modbus struct {
	// contains filtered or unexported fields
}

Modbus implements modbus RTU and TCP access

func (*Modbus) BoolGetter 

func (m *Modbus) BoolGetter() (func() (bool, error), error)

BoolGetter implements BoolProvider

func (*Modbus) BoolSetter 

func (m *Modbus) BoolSetter(param string) (func(bool) error, error)

BoolSetter implements SetBoolProvider

func (*Modbus) BytesSetter 

func (m *Modbus) BytesSetter(_ string) (func([]byte) error, error)

BytesSetter implements SetBytesProvider

func (*Modbus) FloatGetter 

func (m *Modbus) FloatGetter() (func() (f float64, err error), error)

FloatGetter implements func() (float64, error)

func (*Modbus) FloatSetter 

func (m *Modbus) FloatSetter(_ string) (func(float64) error, error)

FloatSetter implements SetFloatProvider

func (*Modbus) IntGetter 

func (m *Modbus) IntGetter() (func() (int64, error), error)

IntGetter implements IntProvider

func (*Modbus) IntSetter 

func (m *Modbus) IntSetter(_ string) (func(int64) error, error)

IntSetter implements SetIntProvider

func (*Modbus) StringGetter 

func (m *Modbus) StringGetter() (func() (string, error), error)

StringGetter implements StringProvider

type ModbusSunspec 

type ModbusSunspec struct {
	// contains filtered or unexported fields
}

ModbusSunspec implements modbus RTU and TCP access

func (*ModbusSunspec) FloatGetter 

func (m *ModbusSunspec) FloatGetter() (func() (f float64, err error), error)

FloatGetter executes configured modbus read operation and implements func() (float64, error)

func (*ModbusSunspec) FloatSetter 

func (m *ModbusSunspec) FloatSetter(_ string) (func(float64) error, error)

FloatSetter executes configured modbus write operation and implements SetFloatProvider

func (*ModbusSunspec) IntGetter 

func (m *ModbusSunspec) IntGetter() (func() (int64, error), error)

IntGetter executes configured modbus read operation and implements IntProvider

func (*ModbusSunspec) IntSetter 

func (m *ModbusSunspec) IntSetter(_ string) (func(int64) error, error)

IntSetter executes configured modbus write operation and implements SetIntProvider

type Mqtt 

type Mqtt struct {
	// contains filtered or unexported fields
}

Mqtt provider

func NewMqtt 

func NewMqtt(log *util.Logger, client *mqtt.Client, topic string, timeout time.Duration) *Mqtt

NewMqtt creates mqtt provider for given topic

func (Mqtt) BoolGetter 

func (p Mqtt) BoolGetter() (func() (bool, error), error)

BoolGetter parses bool from exec result. "on", "true" and 1 are considered truish.

func (*Mqtt) BoolSetter 

func (m *Mqtt) BoolSetter(param string) (func(bool) error, error)

BoolSetter invokes script with parameter replaced by bool value

func (Mqtt) FloatGetter 

func (p Mqtt) FloatGetter() (func() (float64, error), error)

FloatGetter parses float from exec result

func (*Mqtt) FloatSetter 

func (m *Mqtt) FloatSetter(param string) (func(float64) error, error)

FloatSetter publishes topic with parameter replaced by float value

func (Mqtt) IntGetter 

func (p Mqtt) IntGetter() (func() (int64, error), error)

IntGetter parses int64 from exec result

func (*Mqtt) IntSetter 

func (m *Mqtt) IntSetter(param string) (func(int64) error, error)

IntSetter publishes topic with parameter replaced by int value

func (*Mqtt) StringGetter 

func (m *Mqtt) StringGetter() (func() (string, error), error)

StringGetter creates handler for string from MQTT topic that returns cached value

func (*Mqtt) StringSetter 

func (m *Mqtt) StringSetter(param string) (func(string) error, error)

StringSetter invokes script with parameter replaced by string value

func (*Mqtt) WithPayload 

func (m *Mqtt) WithPayload(payload string) *Mqtt

WithPayload adds payload for setters

func (*Mqtt) WithPipeline 

func (p *Mqtt) WithPipeline(pipeline *pipeline.Pipeline) *Mqtt

WithPipeline adds a processing pipeline

func (*Mqtt) WithRetained 

func (m *Mqtt) WithRetained() *Mqtt

WithRetained adds retained flag for setters

func (*Mqtt) WithScale 

func (m *Mqtt) WithScale(scale float64) *Mqtt

WithScale sets scaler for getters

type Prometheus 

type Prometheus struct {
	// contains filtered or unexported fields
}

Prometheus provider

func NewPrometheus 

func NewPrometheus(log *util.Logger, client api.Client, query string, timeout time.Duration) *Prometheus

func (*Prometheus) FloatGetter 

func (p *Prometheus) FloatGetter() (func() (float64, error), error)

FloatGetter expects scalar value from query response as float

func (*Prometheus) IntGetter 

func (p *Prometheus) IntGetter() (func() (int64, error), error)

IntGetter expects scalar value from query response as int

func (*Prometheus) Query 

func (p *Prometheus) Query() (model.Value, error)

type Provider 

type Provider interface{}

provider types

func NewCalcFromConfig 

func NewCalcFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewCalcFromConfig creates calc provider

func NewCombinedFromConfig 

func NewCombinedFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewCombinedFromConfig creates combined provider

func NewConstFromConfig 

func NewConstFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewConstFromConfig creates const provider

func NewConvertFromConfig 

func NewConvertFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewConvertFromConfig creates type conversion provider

func NewErrorFromConfig 

func NewErrorFromConfig(other map[string]interface{}) (Provider, error)

NewErrorFromConfig creates error provider

func NewGoProviderFromConfig 

func NewGoProviderFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewGoProviderFromConfig creates a Go provider

func NewHTTPProviderFromConfig 

func NewHTTPProviderFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewHTTPProviderFromConfig creates a HTTP provider

func NewIgnoreFromConfig 

func NewIgnoreFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewIgnoreFromConfig creates const provider

func NewJavascriptProviderFromConfig 

func NewJavascriptProviderFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewJavascriptProviderFromConfig creates a Javascript provider

func NewMapFromConfig 

func NewMapFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewMapFromConfig creates type conversion provider

func NewModbusFromConfig 

func NewModbusFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewModbusFromConfig creates Modbus plugin

func NewModbusSunspecFromConfig 

func NewModbusSunspecFromConfig(other map[string]interface{}) (Provider, error)

NewModbusSunspecFromConfig creates Modbus plugin

func NewMqttFromConfig 

func NewMqttFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewMqttFromConfig creates Mqtt provider

func NewPrometheusFromConfig 

func NewPrometheusFromConfig(other map[string]interface{}) (Provider, error)

func NewRandomFromConfig 

func NewRandomFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewRandomFromConfig creates random provider

func NewSMAFromConfig 

func NewSMAFromConfig(other map[string]interface{}) (Provider, error)

NewSMAFromConfig creates SMA provider

func NewScriptProviderFromConfig 

func NewScriptProviderFromConfig(other map[string]interface{}) (Provider, error)

NewScriptProviderFromConfig creates a script provider.

func NewSequenceFromConfig 

func NewSequenceFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewSequenceFromConfig creates sequence provider

func NewSocketProviderFromConfig 

func NewSocketProviderFromConfig(other map[string]interface{}) (Provider, error)

NewSocketProviderFromConfig creates a HTTP provider

func NewSwitchFromConfig 

func NewSwitchFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewSwitchFromConfig creates switch provider

func NewWatchDogFromConfig 

func NewWatchDogFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error)

NewWatchDogFromConfig creates watchDog provider

type SMA 

type SMA struct {
	// contains filtered or unexported fields
}

SMA provider

func (*SMA) FloatGetter 

func (p *SMA) FloatGetter() (func() (float64, error), error)

FloatGetter creates handler for float64

func (*SMA) IntGetter 

func (p *SMA) IntGetter() (func() (int64, error), error)

IntGetter creates handler for int64

type Script 

type Script struct {
	// contains filtered or unexported fields
}

Script implements shell script-based providers and setters

func NewScriptProvider 

func NewScriptProvider(script string, timeout time.Duration, scale float64, cache time.Duration) (*Script, error)

NewScriptProvider creates a script provider. Script execution is aborted after given timeout.

func (Script) BoolGetter 

func (p Script) BoolGetter() (func() (bool, error), error)

BoolGetter parses bool from exec result. "on", "true" and 1 are considered truish.

func (*Script) BoolSetter 

func (p *Script) BoolSetter(param string) (func(bool) error, error)

BoolSetter invokes script with parameter replaced by bool value

func (Script) FloatGetter 

func (p Script) FloatGetter() (func() (float64, error), error)

FloatGetter parses float from exec result

func (Script) IntGetter 

func (p Script) IntGetter() (func() (int64, error), error)

IntGetter parses int64 from exec result

func (*Script) IntSetter 

func (p *Script) IntSetter(param string) (func(int64) error, error)

IntSetter invokes script with parameter replaced by int value

func (*Script) StringGetter 

func (p *Script) StringGetter() (func() (string, error), error)

StringGetter returns string from exec result. Only STDOUT is considered.

func (*Script) StringSetter 

func (p *Script) StringSetter(param string) (func(string) error, error)

StringSetter returns a function that invokes a script with parameter by a string value

type SetBoolProvider 

type SetBoolProvider interface {
	BoolSetter(param string) (func(bool) error, error)
}

provider types

type SetBytesProvider 

type SetBytesProvider interface {
	BytesSetter(param string) (func([]byte) error, error)
}

provider types

type SetFloatProvider 

type SetFloatProvider interface {
	FloatSetter(param string) (func(float64) error, error)
}

provider types

type SetIntProvider 

type SetIntProvider interface {
	IntSetter(param string) (func(int64) error, error)
}

provider types

type SetStringProvider 

type SetStringProvider interface {
	StringSetter(param string) (func(string) error, error)
}

provider types

type Socket 

type Socket struct {
	*request.Helper
	// contains filtered or unexported fields
}

Socket implements websocket request provider

func (Socket) BoolGetter 

func (p Socket) BoolGetter() (func() (bool, error), error)

BoolGetter parses bool from exec result. "on", "true" and 1 are considered truish.

func (Socket) FloatGetter 

func (p Socket) FloatGetter() (func() (float64, error), error)

FloatGetter parses float from exec result

func (Socket) IntGetter 

func (p Socket) IntGetter() (func() (int64, error), error)

IntGetter parses int64 from exec result

func (*Socket) StringGetter 

func (p *Socket) StringGetter() (func() (string, error), error)

StringGetter sends string request

type StringProvider 

type StringProvider interface {
	StringGetter() (func() (string, error), error)
}

provider types

type TimeoutHandler 

type TimeoutHandler struct {
	// contains filtered or unexported fields
}

TimeoutHandler is a wrapper for a Getter that times out after a given duration

func NewTimeoutHandler 

func NewTimeoutHandler(ticker func() (string, error)) *TimeoutHandler

func (*TimeoutHandler) BoolGetter 

func (h *TimeoutHandler) BoolGetter(p BoolProvider) (func() (bool, error), error)

func (*TimeoutHandler) FloatGetter 

func (h *TimeoutHandler) FloatGetter(p FloatProvider) (func() (float64, error), error)

func (*TimeoutHandler) JsonGetter 

func (h *TimeoutHandler) JsonGetter(p StringProvider) (func(any) error, error)

func (*TimeoutHandler) StringGetter 

func (h *TimeoutHandler) StringGetter(p StringProvider) (func() (string, error), error)

type Value 

type Value[T any] struct {
	// contains filtered or unexported fields
}

Value is a cacheable value that can expire

func NewValue 

func NewValue[T any](cache time.Duration) *Value[T]

func (*Value[T]) Get 

func (v *Value[T]) Get() (T, error)

func (*Value[T]) Set 

func (v *Value[T]) Set(val T)

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