platform: Refactoring libbox to use gRPC-based protocol

daemon/deprecated.go

@@ -0,0 +1,29 @@
+package daemon
+
+import (
+	"sync"
+
+	"github.com/sagernet/sing-box/experimental/deprecated"
+	"github.com/sagernet/sing/common"
+)
+
+var _ deprecated.Manager = (*deprecatedManager)(nil)
+
+type deprecatedManager struct {
+	access sync.Mutex
+	notes  []deprecated.Note
+}
+
+func (m *deprecatedManager) ReportDeprecated(feature deprecated.Note) {
+	m.access.Lock()
+	defer m.access.Unlock()
+	m.notes = common.Uniq(append(m.notes, feature))
+}
+
+func (m *deprecatedManager) Get() []deprecated.Note {
+	m.access.Lock()
+	defer m.access.Unlock()
+	notes := m.notes
+	m.notes = nil
+	return notes
+}