chore: tunnel recorder & slight refactor

tunnel/stream.go

@@ -0,0 +1,26 @@
+package tunnel
+
+import (
+	"io"
+	"net"
+)
+
+var _ Stream = (*streamImpl)(nil)
+
+type Stream interface {
+	io.ReadWriteCloser
+	Source() string
+}
+
+func NewStream(conn net.Conn, source string) Stream {
+	return &streamImpl{conn, source}
+}
+
+type streamImpl struct {
+	net.Conn
+	source string
+}
+
+func (s *streamImpl) Source() string {
+	return s.source
+}