commit c279cecf70b3bf592f9bb12b257382ac9e8d4337
author QUICHE team <quiche-dev@google.com> Fri Mar 22 06:51:48 2019 -0700
committer Copybara-Service <copybara-worker@google.com> Fri Mar 22 13:53:08 2019 -0700
tree df3127824c30ff9dfc96c30d77546435460db89d
parent b1140923c211169bf3e1c6a304418c93bb5998ca

gfe-relnote: In QUIC, add largest_packets_peer_knows_is_acked_ and largest_sent_packets_ which are necessary to sent_packet_manager and unacked_packet_map, respectively, for multiple packet number support. Not used yet. Not protected.

PiperOrigin-RevId: 239787104
Change-Id: I9955881f09eb4b70a740a913fcd4ad7bc8fe863d

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 3d75e45..592fb1a 100644
--- a/quic/core/quic_sent_packet_manager.h
+++ b/quic/core/quic_sent_packet_manager.h
@@ -272,6 +272,8 @@
     unacked_packets_.SetSessionDecideWhatToWrite(session_decides_what_to_write);
   }
 
+  void EnableMultiplePacketNumberSpacesSupport();
+
   void SetDebugDelegate(DebugDelegate* debug_delegate);
 
   void SetPacingAlarmGranularity(QuicTime::Delta alarm_granularity) {
@@ -282,10 +284,19 @@
     return unacked_packets_.largest_acked();
   }
 
+  QuicPacketNumber GetLargestAckedPacket(
+      EncryptionLevel decrypted_packet_level) const;
+
   QuicPacketNumber GetLargestSentPacket() const {
     return unacked_packets_.largest_sent_packet();
   }
 
+  QuicPacketNumber GetLargestSentPacket(
+      EncryptionLevel decrypted_packet_level) const;
+
+  QuicPacketNumber GetLargestPacketPeerKnowsIsAcked(
+      EncryptionLevel decrypted_packet_level) const;
+
   void SetNetworkChangeVisitor(NetworkChangeVisitor* visitor) {
     DCHECK(!network_change_visitor_);
     DCHECK(visitor);
@@ -352,6 +363,10 @@
 
   bool tolerate_reneging() const { return tolerate_reneging_; }
 
+  bool supports_multiple_packet_number_spaces() const {
+    return unacked_packets_.supports_multiple_packet_number_spaces();
+  }
+
  private:
   friend class test::QuicConnectionPeer;
   friend class test::QuicSentPacketManagerPeer;
@@ -567,6 +582,11 @@
 
   // The largest acked value that was sent in an ack, which has then been acked.
   QuicPacketNumber largest_packet_peer_knows_is_acked_;
+  // The largest acked value that was sent in an ack, which has then been acked
+  // for per packet number space. Only used when connection supports multiple
+  // packet number spaces.
+  QuicPacketNumber
+      largest_packets_peer_knows_is_acked_[NUM_PACKET_NUMBER_SPACES];
 
   // The maximum amount of time to wait before sending an acknowledgement.
   // The recovery code assumes the delayed ack time is the same on both sides.