67 lines
1.1 KiB
Go
67 lines
1.1 KiB
Go
package client
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import (
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"sync"
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)
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func newListenerStore() *listenerStore {
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return &listenerStore{
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listeners: []*Listener{},
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}
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}
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type listenerStore struct {
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sync.Mutex
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listeners []*Listener
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}
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func (store *listenerStore) Add(listener *Listener) {
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store.Lock()
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defer store.Unlock()
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store.listeners = append(store.listeners, listener)
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}
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func (store *listenerStore) Listeners() []*Listener {
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store.Lock()
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defer store.Unlock()
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return store.listeners
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}
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func (store *listenerStore) gc() {
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store.Lock()
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defer store.Unlock()
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oldListeners := store.listeners
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store.listeners = []*Listener{}
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for _, listener := range oldListeners {
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if listener.IsActive() {
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store.listeners = append(store.listeners, listener)
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}
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}
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}
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type Listener struct {
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mu sync.Mutex
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isActive bool
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Updates chan Type
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}
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func (listener *Listener) Close() {
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listener.mu.Lock()
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defer listener.mu.Unlock()
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listener.isActive = false
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close(listener.Updates)
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}
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func (listener *Listener) IsActive() bool {
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listener.mu.Lock()
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defer listener.mu.Unlock()
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return listener.isActive
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}
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