Pause recurring tasks when no network

common/sleep/manager.go

@@ -1,43 +0,0 @@
-package sleep
-
-import (
-	"sync"
-)
-
-type Manager struct {
-	access sync.Mutex
-	done   chan struct{}
-}
-
-func NewManager() *Manager {
-	closedChan := make(chan struct{})
-	close(closedChan)
-	return &Manager{
-		done: closedChan,
-	}
-}
-
-func (m *Manager) Sleep() {
-	m.access.Lock()
-	defer m.access.Unlock()
-	select {
-	case <-m.done:
-	default:
-		return
-	}
-	m.done = make(chan struct{})
-}
-
-func (m *Manager) Wake() {
-	m.access.Lock()
-	defer m.access.Unlock()
-	select {
-	case <-m.done:
-	default:
-		close(m.done)
-	}
-}
-
-func (m *Manager) Active() <-chan struct{} {
-	return m.done
-}