Initial commit after restructure

network/environment/events.go

@@ -0,0 +1,23 @@
+package environment
+
+import (
+	"sync"
+)
+
+var (
+	networkChangedEventCh   = make(chan struct{}, 0)
+	networkChangedEventLock sync.Mutex
+)
+
+func triggerNetworkChanged() {
+	networkChangedEventLock.Lock()
+	defer networkChangedEventLock.Unlock()
+	close(networkChangedEventCh)
+	networkChangedEventCh = make(chan struct{}, 0)
+}
+
+func NetworkChanged() <-chan struct{} {
+	networkChangedEventLock.Lock()
+	defer networkChangedEventLock.Unlock()
+	return networkChangedEventCh
+}