/
notifier.go
57 lines (46 loc) · 1.04 KB
/
notifier.go
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package dns
import (
"reflect"
"sort"
"sync"
"github.com/netbirdio/netbird/client/internal/listener"
)
type notifier struct {
listener listener.NetworkChangeListener
listenerMux sync.Mutex
searchDomains []string
}
func newNotifier(initialSearchDomains []string) *notifier {
sort.Strings(initialSearchDomains)
return ¬ifier{
searchDomains: initialSearchDomains,
}
}
func (n *notifier) setListener(listener listener.NetworkChangeListener) {
n.listenerMux.Lock()
defer n.listenerMux.Unlock()
n.listener = listener
}
func (n *notifier) onNewSearchDomains(searchDomains []string) {
sort.Strings(searchDomains)
if len(n.searchDomains) != len(searchDomains) {
n.searchDomains = searchDomains
n.notify()
return
}
if reflect.DeepEqual(n.searchDomains, searchDomains) {
return
}
n.searchDomains = searchDomains
n.notify()
}
func (n *notifier) notify() {
n.listenerMux.Lock()
defer n.listenerMux.Unlock()
if n.listener == nil {
return
}
go func(l listener.NetworkChangeListener) {
l.OnNetworkChanged("")
}(n.listener)
}