Add event stream module

mtglib/events.go

@@ -0,0 +1,25 @@
+package mtglib
+
+import (
+	"net"
+	"time"
+)
+
+type eventBase struct {
+	CreatedAt time.Time
+	ConnID    string
+}
+
+func (e eventBase) ConnectionID() string {
+	return e.ConnID
+}
+
+type EventStart struct {
+	eventBase
+
+	RemoteIP net.IP
+}
+
+type EventFinish struct {
+	eventBase
+}

mtglib/init.go

@@ -19,10 +19,21 @@ type Network interface {
 
 type AntiReplayCache interface {
 	SeenBefore(data []byte) bool
+	Shutdown()
 }
 
 type IPBlocklist interface {
 	Contains(net.IP) bool
+	Shutdown()
+}
+
+type Event interface {
+	ConnectionID() string
+}
+
+type EventStream interface {
+	Send(context.Context, Event)
+	Shutdown()
 }
 
 type Logger interface {