69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
package config
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import (
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"errors"
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"fmt"
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"sync"
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)
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type handler[T any] struct {
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mu sync.Mutex
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devices []Device[T]
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}
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// Devices returns the handlers devices
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func (cp *handler[T]) Devices() []Device[T] {
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cp.mu.Lock()
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defer cp.mu.Unlock()
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return cp.devices
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}
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// Add adds device and config
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func (cp *handler[T]) Add(dev Device[T]) error {
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conf := dev.Config()
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if conf.Name == "" {
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return errors.New("missing name")
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}
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if _, err := cp.ByName(conf.Name); err == nil {
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return fmt.Errorf("duplicate name: %s already defined and must be unique", conf.Name)
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}
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cp.mu.Lock()
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defer cp.mu.Unlock()
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cp.devices = append(cp.devices, dev)
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return nil
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}
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// Delete deletes device
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func (cp *handler[T]) Delete(name string) error {
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cp.mu.Lock()
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defer cp.mu.Unlock()
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for i, dev := range cp.devices {
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if name == dev.Config().Name {
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cp.devices = append(cp.devices[:i], cp.devices[i+1:]...)
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return nil
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}
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}
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return fmt.Errorf("not found: %s", name)
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}
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// ByName provides device by name
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func (cp *handler[T]) ByName(name string) (Device[T], error) {
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cp.mu.Lock()
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defer cp.mu.Unlock()
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for _, dev := range cp.devices {
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if name == dev.Config().Name {
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return dev, nil
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}
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}
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return nil, fmt.Errorf("not found: %s", name)
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}
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