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
diff --git a/quic/core/quic_unacked_packet_map_test.cc b/quic/core/quic_unacked_packet_map_test.cc
index cf725fa..331a0e8 100644
--- a/quic/core/quic_unacked_packet_map_test.cc
+++ b/quic/core/quic_unacked_packet_map_test.cc
@@ -674,6 +674,85 @@
unacked_packets_.NotifyAggregatedStreamFrameAcked(QuicTime::Delta::Zero());
}
+TEST_P(QuicUnackedPacketMapTest, LargestSentPacketMultiplePacketNumberSpaces) {
+ if (!GetQuicReloadableFlag(quic_use_uber_loss_algorithm)) {
+ return;
+ }
+ unacked_packets_.EnableMultiplePacketNumberSpacesSupport();
+ EXPECT_FALSE(unacked_packets_
+ .GetLargestSentPacketOfPacketNumberSpace(ENCRYPTION_INITIAL)
+ .IsInitialized());
+ // Send packet 1.
+ SerializedPacket packet1(CreateRetransmittablePacket(1));
+ packet1.encryption_level = ENCRYPTION_INITIAL;
+ unacked_packets_.AddSentPacket(&packet1, QuicPacketNumber(),
+ NOT_RETRANSMISSION, now_, true);
+ EXPECT_EQ(QuicPacketNumber(1u), unacked_packets_.largest_sent_packet());
+ EXPECT_EQ(QuicPacketNumber(1),
+ unacked_packets_.GetLargestSentPacketOfPacketNumberSpace(
+ ENCRYPTION_INITIAL));
+ EXPECT_FALSE(
+ unacked_packets_
+ .GetLargestSentPacketOfPacketNumberSpace(ENCRYPTION_HANDSHAKE)
+ .IsInitialized());
+ // Send packet 2.
+ SerializedPacket packet2(CreateRetransmittablePacket(2));
+ packet2.encryption_level = ENCRYPTION_HANDSHAKE;
+ unacked_packets_.AddSentPacket(&packet2, QuicPacketNumber(),
+ NOT_RETRANSMISSION, now_, true);
+ EXPECT_EQ(QuicPacketNumber(2u), unacked_packets_.largest_sent_packet());
+ EXPECT_EQ(QuicPacketNumber(1),
+ unacked_packets_.GetLargestSentPacketOfPacketNumberSpace(
+ ENCRYPTION_INITIAL));
+ EXPECT_EQ(QuicPacketNumber(2),
+ unacked_packets_.GetLargestSentPacketOfPacketNumberSpace(
+ ENCRYPTION_HANDSHAKE));
+ EXPECT_FALSE(unacked_packets_
+ .GetLargestSentPacketOfPacketNumberSpace(ENCRYPTION_ZERO_RTT)
+ .IsInitialized());
+ // Send packet 3.
+ SerializedPacket packet3(CreateRetransmittablePacket(3));
+ packet3.encryption_level = ENCRYPTION_ZERO_RTT;
+ unacked_packets_.AddSentPacket(&packet3, QuicPacketNumber(),
+ NOT_RETRANSMISSION, now_, true);
+ EXPECT_EQ(QuicPacketNumber(3u), unacked_packets_.largest_sent_packet());
+ EXPECT_EQ(QuicPacketNumber(1),
+ unacked_packets_.GetLargestSentPacketOfPacketNumberSpace(
+ ENCRYPTION_INITIAL));
+ EXPECT_EQ(QuicPacketNumber(2),
+ unacked_packets_.GetLargestSentPacketOfPacketNumberSpace(
+ ENCRYPTION_HANDSHAKE));
+ EXPECT_EQ(QuicPacketNumber(3),
+ unacked_packets_.GetLargestSentPacketOfPacketNumberSpace(
+ ENCRYPTION_ZERO_RTT));
+ // Verify forward secure belongs to the same packet number space as encryption
+ // zero rtt.
+ EXPECT_EQ(QuicPacketNumber(3),
+ unacked_packets_.GetLargestSentPacketOfPacketNumberSpace(
+ ENCRYPTION_FORWARD_SECURE));
+
+ // Send packet 4.
+ SerializedPacket packet4(CreateRetransmittablePacket(4));
+ packet4.encryption_level = ENCRYPTION_FORWARD_SECURE;
+ unacked_packets_.AddSentPacket(&packet4, QuicPacketNumber(),
+ NOT_RETRANSMISSION, now_, true);
+ EXPECT_EQ(QuicPacketNumber(4u), unacked_packets_.largest_sent_packet());
+ EXPECT_EQ(QuicPacketNumber(1),
+ unacked_packets_.GetLargestSentPacketOfPacketNumberSpace(
+ ENCRYPTION_INITIAL));
+ EXPECT_EQ(QuicPacketNumber(2),
+ unacked_packets_.GetLargestSentPacketOfPacketNumberSpace(
+ ENCRYPTION_HANDSHAKE));
+ EXPECT_EQ(QuicPacketNumber(4),
+ unacked_packets_.GetLargestSentPacketOfPacketNumberSpace(
+ ENCRYPTION_ZERO_RTT));
+ // Verify forward secure belongs to the same packet number space as encryption
+ // zero rtt.
+ EXPECT_EQ(QuicPacketNumber(4),
+ unacked_packets_.GetLargestSentPacketOfPacketNumberSpace(
+ ENCRYPTION_FORWARD_SECURE));
+}
+
} // namespace
} // namespace test
} // namespace quic
