wp

enc/time_delta.go

@@ -310,10 +310,33 @@ func (s *TimeDeltaCompressor) FirstTimestamp() uint32 {
 	return timestamp
 }
 
-func (s *TimeDeltaCompressor) LastTimestamp() uint32 {
+func (s *TimeDeltaCompressor) Until() uint32 {
 	return s.lastUnixtime
 }
 
+func (s *TimeDeltaCompressor) CommitedSince() uint32 {
+	if s.state == nil {
+		if s.pos < len(s.buf) {
+			timestamp, _ := bin.GetUint32(s.buf[len(s.buf)-4:])
+			return timestamp
+		}
+	} else {
+		payload := s.state.Payload
+		if len(payload) > 0 {
+			timestamp, _ := bin.GetUint32(payload[len(payload)-4:])
+			return timestamp
+		}
+	}
+	return 0
+}
+
+func (s *TimeDeltaCompressor) CommitedUntil() uint32 {
+	if s.state == nil {
+		return s.lastUnixtime
+	}
+	return s.state.LastUnixtime
+}
+
 // DECOMPRESSOR
 
 type TimeDeltaDecompressor struct {