Adding a communication channel between server and clients using SSE

server/events/events.go

@@ -0,0 +1,18 @@
+package events
+
+type Event interface {
+	EventName() string
+}
+
+type ScanStatus struct {
+	Scanning bool  `json:"scanning"`
+	Count    int64 `json:"count"`
+}
+
+func (s ScanStatus) EventName() string { return "scanStatus" }
+
+type KeepAlive struct {
+	TS int64 `json:"ts"`
+}
+
+func (s KeepAlive) EventName() string { return "keepAlive" }