99 lines
2.7 KiB
Go
99 lines
2.7 KiB
Go
package v1
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import (
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"context"
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"sync"
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"forge.cadoles.com/cadoles/go-emlid/reach/client/logger"
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"forge.cadoles.com/cadoles/go-emlid/reach/client/protocol"
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"forge.cadoles.com/cadoles/go-emlid/reach/client/protocol/v1/model"
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"forge.cadoles.com/cadoles/go-emlid/reach/client/socketio"
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"github.com/davecgh/go-spew/spew"
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"github.com/mitchellh/mapstructure"
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"github.com/pkg/errors"
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)
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const (
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eventGetConfiguration = "get configuration"
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eventCurrentConfiguration = "current configuration"
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eventApplyConfiguration = "apply configuration"
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eventConfigurationApplied = "configuration applied"
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eventResetConfiguration = "reset configuration to default"
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eventSettingsResetToDefault = "settings reset to default"
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)
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type configurationApplied struct {
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Configuration *model.Configuration `mapstructure:"configuration,omitempty"`
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Result string `mapstructure:"result"`
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Constraints *model.Constraints `mapstructure:"constraints,omitempty"`
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}
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func (o *Operations) ApplyConfiguration(ctx context.Context, config *model.Configuration) (string, *model.Configuration, error) {
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o.logger.Debug("applying configuration", logger.Attr("configuration", spew.Sdump(config)))
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res := &configurationApplied{}
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if err := o.ReqResp(ctx, eventApplyConfiguration, config, eventConfigurationApplied, res); err != nil {
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return configurationApplyFailed, nil, err
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}
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o.logger.Debug("apply configuration response", logger.Attr("response", res))
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return res.Result, res.Configuration, nil
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}
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func (o *Operations) RequestConfiguration(ctx context.Context) (*model.Configuration, error) {
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configuration := &model.Configuration{}
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if err := o.ReqResp(ctx, eventGetConfiguration, nil, eventCurrentConfiguration, configuration); err != nil {
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return nil, err
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}
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return configuration, nil
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}
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// ReqResp emits an event with the given data and waits for a response
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func (o *Operations) ReqResp(ctx context.Context,
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requestEvent string, requestData any,
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responseEvent string, res any) error {
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o.mutex.RLock()
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defer o.mutex.RUnlock()
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if o.client == nil || !o.client.Alive() {
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return errors.WithStack(protocol.ErrClosed)
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}
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var err error
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var wg sync.WaitGroup
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var once sync.Once
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done := func() {
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o.client.Off(responseEvent)
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wg.Done()
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}
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wg.Add(1)
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go func() {
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<-ctx.Done()
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err = ctx.Err()
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once.Do(done)
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}()
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err = o.client.On(responseEvent, func(_ *socketio.Channel, data interface{}) {
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if res != nil {
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err = mapstructure.WeakDecode(data, res)
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}
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once.Do(done)
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})
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if err != nil {
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return errors.Wrapf(err, "error while binding to '%s' event", responseEvent)
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}
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if err = o.client.Emit(requestEvent, requestData); err != nil {
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return errors.Wrapf(err, "error while emitting event '%s'", requestEvent)
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}
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wg.Wait()
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return err
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}
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