commit b239f86b8ce421cdba5864e53247de4a875da5e4
author ianswett <ianswett@google.com> Fri Apr 05 09:15:06 2019 -0700
committer Copybara-Service <copybara-worker@google.com> Fri Apr 05 11:32:48 2019 -0700
tree c6e72d8dec366b2b60142473a34fe32fa70bdbbd
parent 04a83598e30a6185766823036d0db802c7086a12

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

quic/core/quic_connection.cc

diff --git a/quic/core/quic_connection.cc b/quic/core/quic_connection.cc
index 68567b7..c6f939e 100644
--- a/quic/core/quic_connection.cc
+++ b/quic/core/quic_connection.cc
@@ -3875,7 +3875,7 @@
              << transport_version();
     return MESSAGE_STATUS_UNSUPPORTED;
   }
-  if (message.total_length() > GetLargestMessagePayload()) {
+  if (message.total_length() > GetCurrentLargestMessagePayload()) {
     return MESSAGE_STATUS_TOO_LARGE;
   }
   if (!CanWrite(HAS_RETRANSMITTABLE_DATA)) {
@@ -3885,8 +3885,12 @@
   return packet_generator_.AddMessageFrame(message_id, message);
 }
 
-QuicPacketLength QuicConnection::GetLargestMessagePayload() const {
-  return packet_generator_.GetLargestMessagePayload();
+QuicPacketLength QuicConnection::GetCurrentLargestMessagePayload() const {
+  return packet_generator_.GetCurrentLargestMessagePayload();
+}
+
+QuicPacketLength QuicConnection::GetGuaranteedLargestMessagePayload() const {
+  return packet_generator_.GetGuaranteedLargestMessagePayload();
 }
 
 bool QuicConnection::ShouldSetAckAlarm() const {