lib/mvfst
1
0
Fork 0
mirror of https://github.com/facebookincubator/mvfst.git synced 2025-11-25 15:43:13 +03:00
Code Activity

Add new retransmission buffer directly at the end of buffer list

Browse Source 
Summary:
The retransmission buffer list is sorted by offset. New written
always has higher offset than existing ones. Thus the binary search isn't
necessary.

Reviewed By: mjoras

Differential Revision: D17477354

fbshipit-source-id: d413a5c84c3831b257d5c1e6375bec56a763926b
This commit is contained in:
Yang Chi
2019-09-24 15:14:05 -07:00
committed by Facebook Github Bot
parent 6f49898bf9
commit f5ca7ef590
4 changed files with 129 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
quic/state/stream/test/StreamStateMachineTest.cpp
View File

@@ -217,6 +217,55 @@ TEST_F(QuicOpenStateTest, AckStream) {
ASSERT_TRUE(isState<StreamSendStates::Closed>(stream->send));
}
TEST_F(QuicOpenStateTest, RetxBufferSortedAfterAck) {
auto conn = createConn();
auto stream = conn->streamManager->createNextBidirectionalStream().value();
EventBase evb;
folly::test::MockAsyncUDPSocket socket(&evb);
folly::Optional<ConnectionId> serverChosenConnId = *conn->clientConnectionId;
serverChosenConnId.value().data()[0] ^= 0x01;
auto buf1 = IOBuf::copyBuffer("Alice");
auto buf2 = IOBuf::copyBuffer("Bob");
auto buf3 = IOBuf::copyBuffer("NSA");
writeQuicPacket(
*conn,
*conn->clientConnectionId,
*serverChosenConnId,
socket,
*stream,
*buf1,
false);
writeQuicPacket(
*conn,
*conn->clientConnectionId,
*serverChosenConnId,
socket,
*stream,
*buf2,
false);
writeQuicPacket(
*conn,
*conn->clientConnectionId,
*serverChosenConnId,
socket,
*stream,
*buf3,
false);
EXPECT_EQ(3, stream->retransmissionBuffer.size());
EXPECT_EQ(3, conn->outstandingPackets.size());
auto packet = conn->outstandingPackets[folly::Random::rand32() % 3];
auto streamFrame = boost::get<WriteStreamFrame>(
conn->outstandingPackets[std::rand() % 3].packet.frames.front());
StreamEvents::AckStreamFrame ack(streamFrame);
invokeHandler<StreamSendStateMachine>(stream->send, ack, *stream);
EXPECT_EQ(2, stream->retransmissionBuffer.size());
EXPECT_GT(
stream->retransmissionBuffer.back().offset,
stream->retransmissionBuffer.front().offset);
}
TEST_F(QuicOpenStateTest, AckStreamAfterSkip) {
auto conn = createConn();
conn->partialReliabilityEnabled = true;