TUN-5301: Separate datagram multiplex and session management logic from quic connection logic

datagramsession/event.go

@@ -0,0 +1,33 @@
+package datagramsession
+
+import (
+	"io"
+
+	"github.com/google/uuid"
+)
+
+// registerSessionEvent is an event to start tracking a new session
+type registerSessionEvent struct {
+	sessionID   uuid.UUID
+	originProxy io.ReadWriteCloser
+	resultChan  chan *Session
+}
+
+func newRegisterSessionEvent(sessionID uuid.UUID, originProxy io.ReadWriteCloser) *registerSessionEvent {
+	return &registerSessionEvent{
+		sessionID:   sessionID,
+		originProxy: originProxy,
+		resultChan:  make(chan *Session, 1),
+	}
+}
+
+// unregisterSessionEvent is an event to stop tracking and terminate the session.
+type unregisterSessionEvent struct {
+	sessionID uuid.UUID
+}
+
+// newDatagram is an event when transport receives new datagram
+type newDatagram struct {
+	sessionID uuid.UUID
+	payload   []byte
+}