add an assertion that bytes_in_flight never becomes negative

2020-09-14 10:32:32 +07:00
parent 8bf5c782e3
commit 3ef77b0c1a
1 changed files with 3 additions and 0 deletions
--- a/internal/ackhandler/sent_packet_handler.go
+++ b/internal/ackhandler/sent_packet_handler.go
@@ -133,6 +133,9 @@ func (h *sentPacketHandler) DropPackets(encLevel protocol.EncryptionLevel) {

 func (h *sentPacketHandler) removeFromBytesInFlight(p *Packet) {
 	if p.includedInBytesInFlight {
+		if p.Length > h.bytesInFlight {
+			panic("negative bytes_in_flight")
+		}
 		h.bytesInFlight -= p.Length
 		p.includedInBytesInFlight = false
 	}