commit 74ee66401627cc3ac60a153dfc57ecfb9650b347
author fayang <fayang@google.com> Thu Jul 30 07:41:02 2020 -0700
committer Copybara-Service <copybara-worker@google.com> Thu Jul 30 07:41:43 2020 -0700
tree 72d77f6f9524c6329be944aed4274badf7f45311
parent 254e321ef3a5ecac743de7bc4b79f4517bd8cada

Internal QUICHE change

PiperOrigin-RevId: 323999924
Change-Id: Ie25ef9e479a3272e64525e9890bd8f25390f44bb

quic/core/quic_sent_packet_manager.cc

diff --git a/quic/core/quic_sent_packet_manager.cc b/quic/core/quic_sent_packet_manager.cc
index 1a97417..3b4cabc 100644
--- a/quic/core/quic_sent_packet_manager.cc
+++ b/quic/core/quic_sent_packet_manager.cc
@@ -440,6 +440,8 @@
   if (!rtt_updated && packets_acked_.empty() && packets_lost_.empty()) {
     return;
   }
+  const bool overshooting_detected =
+      stats_->overshooting_detected_with_network_parameters_adjusted;
   if (using_pacing_) {
     pacing_sender_.OnCongestionEvent(rtt_updated, prior_in_flight, event_time,
                                      packets_acked_, packets_lost_);
@@ -447,6 +449,10 @@
     send_algorithm_->OnCongestionEvent(rtt_updated, prior_in_flight, event_time,
                                        packets_acked_, packets_lost_);
   }
+  if (debug_delegate_ != nullptr && !overshooting_detected &&
+      stats_->overshooting_detected_with_network_parameters_adjusted) {
+    debug_delegate_->OnOvershootingDetected();
+  }
   packets_acked_.clear();
   packets_lost_.clear();
   if (network_change_visitor_ != nullptr) {

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 e2af3e2..3670faa 100644
--- a/quic/core/quic_sent_packet_manager.h
+++ b/quic/core/quic_sent_packet_manager.h
@@ -76,6 +76,8 @@
                                            QuicTime::Delta /*rtt*/,
                                            QuicByteCount /*old_cwnd*/,
                                            QuicByteCount /*new_cwnd*/) {}
+
+    virtual void OnOvershootingDetected() {}
   };
 
   // Interface which gets callbacks from the QuicSentPacketManager when