commit 967ba57f0515293778adc8a39c1de5d14add2b41
author wub <wub@google.com> Mon Apr 01 09:27:52 2019 -0700
committer Copybara-Service <copybara-worker@google.com> Tue Apr 02 11:46:18 2019 -0700
tree 7ed62a7be5f4a11f4ff28f6ed74ca7109c71cb40
parent 09d925aeae2de5482a024f27cd7cb2f659500020

gfe-relnote: Add some bbr startup stats into QuicConnectionStats. Stats only. Not protected.

PiperOrigin-RevId: 241339065
Change-Id: Idef0c196eb0ab6bbe202a33d79e65a88a43678fd

quic/core/quic_sent_packet_manager.h

diff --git a/quic/core/quic_sent_packet_manager.h b/quic/core/quic_sent_packet_manager.h
index 4310014..c3c227e 100644
--- a/quic/core/quic_sent_packet_manager.h
+++ b/quic/core/quic_sent_packet_manager.h
@@ -235,6 +235,14 @@
     return send_algorithm_->GetSlowStartThreshold() / kDefaultTCPMSS;
   }
 
+  // Return the total time spent in slow start so far. If the sender is
+  // currently in slow start, the return value will include the duration between
+  // the most recent entry to slow start and now.
+  //
+  // Only implemented for BBR. Return QuicTime::Delta::Infinite() for other
+  // congestion controllers.
+  QuicTime::Delta GetSlowStartDuration() const;
+
   // Returns debugging information about the state of the congestion controller.
   std::string GetDebugState() const;