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.cc

diff --git a/quic/core/quic_sent_packet_manager.cc b/quic/core/quic_sent_packet_manager.cc
index b1ba487..72c5c0f 100644
--- a/quic/core/quic_sent_packet_manager.cc
+++ b/quic/core/quic_sent_packet_manager.cc
@@ -1147,6 +1147,11 @@
                   << acked_packet.packet_number;
     last_ack_frame_.packets.Add(acked_packet.packet_number);
     largest_packet_peer_knows_is_acked_.UpdateMax(info->largest_acked);
+    if (supports_multiple_packet_number_spaces()) {
+      largest_packets_peer_knows_is_acked_[QuicUtils::GetPacketNumberSpace(
+                                               info->encryption_level)]
+          .UpdateMax(info->largest_acked);
+    }
     // If data is associated with the most recent transmission of this
     // packet, then inform the caller.
     if (info->in_flight) {
@@ -1196,5 +1201,30 @@
   rtt_stats_.set_initial_rtt(std::max(min_rtt, std::min(max_rtt, rtt)));
 }
 
+void QuicSentPacketManager::EnableMultiplePacketNumberSpacesSupport() {
+  unacked_packets_.EnableMultiplePacketNumberSpacesSupport();
+}
+
+QuicPacketNumber QuicSentPacketManager::GetLargestAckedPacket(
+    EncryptionLevel decrypted_packet_level) const {
+  DCHECK(supports_multiple_packet_number_spaces());
+  return unacked_packets_.GetLargestAckedOfPacketNumberSpace(
+      QuicUtils::GetPacketNumberSpace(decrypted_packet_level));
+}
+
+QuicPacketNumber QuicSentPacketManager::GetLargestSentPacket(
+    EncryptionLevel decrypted_packet_level) const {
+  DCHECK(supports_multiple_packet_number_spaces());
+  return unacked_packets_.GetLargestSentPacketOfPacketNumberSpace(
+      decrypted_packet_level);
+}
+
+QuicPacketNumber QuicSentPacketManager::GetLargestPacketPeerKnowsIsAcked(
+    EncryptionLevel decrypted_packet_level) const {
+  DCHECK(supports_multiple_packet_number_spaces());
+  return largest_packets_peer_knows_is_acked_[QuicUtils::GetPacketNumberSpace(
+      decrypted_packet_level)];
+}
+
 #undef ENDPOINT  // undef for jumbo builds
 }  // namespace quic