Add GetLargestGuaranteedMessagePayload to QuicSession/Connection/Generator/Creator to expose the largest message payload that's guaranteed to fit in any packet containing application data.
gfe-relnote: n/a (Only used in Quartc)
PiperOrigin-RevId: 242135946
Change-Id: I52cc763af88d22fc240210e00cf4d4062d0b9c59
diff --git a/quic/core/quic_session.h b/quic/core/quic_session.h
index 776da8e..b13f627 100644
--- a/quic/core/quic_session.h
+++ b/quic/core/quic_session.h
@@ -320,7 +320,12 @@
// Returns the largest payload that will fit into a single MESSAGE frame.
// Because overhead can vary during a connection, this method should be
// checked for every message.
- QuicPacketLength GetLargestMessagePayload() const;
+ QuicPacketLength GetCurrentLargestMessagePayload() const;
+
+ // Returns the largest payload that will fit into a single MESSAGE frame at
+ // any point during the connection. This assumes the version and
+ // connection ID lengths do not change.
+ QuicPacketLength GetGuaranteedLargestMessagePayload() const;
bool goaway_sent() const { return goaway_sent_; }
