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SolarEdge: fix battery control (#10906)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| package provider | ||
|
|
||
| import ( | ||
| "context" | ||
| "strconv" | ||
| "sync" | ||
| "time" | ||
|
|
||
| "github.com/evcc-io/evcc/util" | ||
| ) | ||
|
|
||
| type watchdogProvider struct { | ||
| mu sync.Mutex | ||
| log *util.Logger | ||
| reset *string | ||
| set Config | ||
| timeout time.Duration | ||
| cancel func() | ||
| } | ||
|
|
||
| func init() { | ||
| registry.Add("watchdog", NewWatchDogFromConfig) | ||
| } | ||
|
|
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| // NewWatchDogFromConfig creates watchDog provider | ||
| func NewWatchDogFromConfig(other map[string]interface{}) (Provider, error) { | ||
| var cc struct { | ||
| Reset *string | ||
| Set Config | ||
| Timeout time.Duration | ||
| } | ||
|
|
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| if err := util.DecodeOther(other, &cc); err != nil { | ||
| return nil, err | ||
| } | ||
|
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| o := &watchdogProvider{ | ||
| log: util.NewLogger("watchdog"), | ||
| reset: cc.Reset, | ||
| set: cc.Set, | ||
| timeout: cc.Timeout, | ||
| } | ||
|
|
||
| return o, nil | ||
| } | ||
|
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| func (o *watchdogProvider) wdt(ctx context.Context, set func() error) { | ||
| tick := time.NewTicker(o.timeout / 2) | ||
| for range tick.C { | ||
| select { | ||
| case <-ctx.Done(): | ||
| tick.Stop() | ||
| return | ||
| default: | ||
| if err := set(); err != nil { | ||
| o.log.ERROR.Println(err) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
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| var _ SetIntProvider = (*watchdogProvider)(nil) | ||
|
|
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| func (o *watchdogProvider) IntSetter(param string) (func(int64) error, error) { | ||
| set, err := NewIntSetterFromConfig(param, o.set) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| var reset *int64 | ||
| if o.reset != nil { | ||
| val, err := strconv.ParseInt(*o.reset, 10, 64) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| reset = &val | ||
| } | ||
|
|
||
| return func(val int64) error { | ||
| o.mu.Lock() | ||
|
|
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| // stop wdt on new write | ||
| if o.cancel != nil { | ||
| o.cancel() | ||
| o.cancel = nil | ||
| } | ||
|
|
||
| // start wdt on non-reset value | ||
| if reset == nil || val != *reset { | ||
| var ctx context.Context | ||
| ctx, o.cancel = context.WithCancel(context.Background()) | ||
|
|
||
| go o.wdt(ctx, func() error { | ||
| return set(val) | ||
| }) | ||
| } | ||
|
|
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| o.mu.Unlock() | ||
|
|
||
| return set(val) | ||
| }, err | ||
| } | ||
|
|
||
| // var _ SetFloatProvider = (*watchdogProvider)(nil) | ||
|
|
||
| // func (o *watchdogProvider) FloatSetter(param string) (func(float64) error, error) { | ||
| // set, err := NewFloatSetterFromConfig(param, o.set) | ||
| // if err != nil { | ||
| // return nil, err | ||
| // } | ||
|
|
||
| // val, err := strconv.ParseFloat(o.str, 64) | ||
| // return func(_ float64) error { | ||
| // return set(val) | ||
| // }, err | ||
| // } | ||
|
|
||
| // var _ SetBoolProvider = (*watchdogProvider)(nil) | ||
|
|
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| // func (o *watchdogProvider) BoolSetter(param string) (func(bool) error, error) { | ||
| // set, err := NewBoolSetterFromConfig(param, o.set) | ||
| // if err != nil { | ||
| // return nil, err | ||
| // } | ||
|
|
||
| // val, err := strconv.ParseBool(o.str) | ||
| // return func(_ bool) error { | ||
| // return set(val) | ||
| // }, err | ||
| // } |
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