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https://github.com/facebookincubator/mvfst.git
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4a9537798e
Summary: ^ Reviewed By: sharma95 Differential Revision: D15172546 fbshipit-source-id: bacc832752a433b86962e77bb19aff4504640e60
1449 lines
53 KiB
C++
1449 lines
53 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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#include <quic/codec/QuicWriteCodec.h>
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#include <folly/Random.h>
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#include <folly/io/Cursor.h>
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#include <folly/io/IOBufQueue.h>
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#include <folly/portability/GMock.h>
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#include <folly/portability/GTest.h>
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#include <quic/QuicException.h>
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#include <quic/codec/Decode.h>
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#include <quic/codec/Types.h>
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#include <quic/codec/test/Mocks.h>
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#include <quic/common/test/TestUtils.h>
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using namespace quic;
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using namespace quic::test;
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using namespace testing;
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using namespace std::chrono;
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ShortHeader buildTestShortHeader() {
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return ShortHeader(ProtectionType::KeyPhaseZero, getTestConnectionId(), 0x01);
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}
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QuicFrame parseQuicFrame(folly::io::Cursor& cursor) {
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return quic::parseFrame(
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cursor,
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buildTestShortHeader(),
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CodecParameters(kDefaultAckDelayExponent));
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}
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namespace quic {
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namespace test {
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void setupCommonExpects(MockQuicPacketBuilder& pktBuilder) {
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EXPECT_CALL(pktBuilder, remainingSpaceInPkt()).WillRepeatedly(Invoke([&]() {
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return pktBuilder.remaining_;
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}));
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EXPECT_CALL(pktBuilder, writeBEUint8(_))
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.WillRepeatedly(WithArgs<0>(Invoke([&](uint8_t value) {
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pktBuilder.appender_.writeBE<uint8_t>(value);
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pktBuilder.remaining_ -= sizeof(uint8_t);
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})));
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EXPECT_CALL(pktBuilder, writeBEUint16(_))
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.WillRepeatedly(WithArgs<0>(Invoke([&](uint16_t value) {
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pktBuilder.appender_.writeBE<uint16_t>(value);
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pktBuilder.remaining_ -= sizeof(uint16_t);
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})));
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EXPECT_CALL(pktBuilder, writeBEUint64(_))
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.WillRepeatedly(WithArgs<0>(Invoke([&](uint64_t value) {
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pktBuilder.appender_.writeBE<uint64_t>(value);
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pktBuilder.remaining_ -= sizeof(uint64_t);
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})));
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EXPECT_CALL(pktBuilder, appendBytes(_, _))
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.WillRepeatedly(
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WithArgs<0, 1>(Invoke([&](PacketNum value, uint8_t byteNumber) {
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pktBuilder.appendBytes(pktBuilder.appender_, value, byteNumber);
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})));
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EXPECT_CALL(pktBuilder, appendBytes(_, _, _))
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.WillRepeatedly((Invoke([&](folly::io::QueueAppender& appender,
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PacketNum value,
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uint8_t byteNumber) {
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appender.ensure(byteNumber);
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auto bigValue = folly::Endian::big(value);
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appender.push(
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(uint8_t*)&bigValue + sizeof(bigValue) - byteNumber, byteNumber);
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pktBuilder.remaining_ -= byteNumber;
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})));
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EXPECT_CALL(pktBuilder, appendFrame(_))
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.WillRepeatedly(WithArgs<0>(
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Invoke([&](auto frame) { pktBuilder.frames_.push_back(frame); })));
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EXPECT_CALL(pktBuilder, _insert(_))
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.WillRepeatedly(WithArgs<0>(Invoke([&](Buf& buf) {
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pktBuilder.remaining_ -= buf->computeChainDataLength();
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pktBuilder.appender_.insert(std::move(buf));
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})));
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EXPECT_CALL(pktBuilder, push(_, _))
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.WillRepeatedly(
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WithArgs<0, 1>(Invoke([&](const uint8_t* data, size_t len) {
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pktBuilder.appender_.push(data, len);
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pktBuilder.remaining_ -= len;
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})));
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EXPECT_CALL(pktBuilder, write(_))
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.WillRepeatedly(Invoke([&](const QuicInteger& quicInteger) {
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quicInteger.encode(pktBuilder.appender_);
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pktBuilder.remaining_ -= quicInteger.getSize();
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}));
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}
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class QuicWriteCodecTest : public Test {};
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TEST_F(QuicWriteCodecTest, WriteStreamFrameToEmptyPacket) {
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MockQuicPacketBuilder pktBuilder;
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setupCommonExpects(pktBuilder);
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auto inputBuf = buildRandomInputData(10);
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// 1 byte for type
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// 1 byte for stream id
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// 1 byte for length
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// => 3 bytes
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StreamId streamId = 1;
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uint64_t offset = 0;
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bool fin = false;
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bool hasMoreFrames = true;
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StreamFrameMetaData streamFrameMetaData(
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streamId, offset, fin, inputBuf->clone(), hasMoreFrames);
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auto streamFrameWriteResult =
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writeStreamFrame(streamFrameMetaData, pktBuilder);
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auto outputBuf = std::move(streamFrameWriteResult->writtenData);
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EXPECT_EQ(10, outputBuf->computeChainDataLength());
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EXPECT_EQ(10, streamFrameWriteResult->bytesWritten);
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EXPECT_EQ(
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kDefaultUDPSendPacketLen - 3 - 10, pktBuilder.remainingSpaceInPkt());
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auto builtOut = std::move(pktBuilder).buildPacket();
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auto regularPacket = builtOut.first;
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EXPECT_EQ(regularPacket.frames.size(), 1);
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auto resultFrame = boost::get<WriteStreamFrame>(regularPacket.frames.back());
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EXPECT_EQ(resultFrame.streamId, streamId);
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EXPECT_EQ(resultFrame.offset, offset);
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EXPECT_EQ(resultFrame.len, 10);
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EXPECT_TRUE(folly::IOBufEqualTo()(inputBuf, outputBuf));
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auto wireBuf = std::move(builtOut.second);
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folly::io::Cursor cursor(wireBuf.get());
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auto decodedStreamFrame = boost::get<ReadStreamFrame>(parseQuicFrame(cursor));
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EXPECT_EQ(decodedStreamFrame.streamId, streamId);
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EXPECT_EQ(decodedStreamFrame.offset, offset);
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EXPECT_EQ(decodedStreamFrame.data->computeChainDataLength(), 10);
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EXPECT_TRUE(folly::IOBufEqualTo()(inputBuf, decodedStreamFrame.data));
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}
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TEST_F(QuicWriteCodecTest, WriteStreamFrameToPartialPacket) {
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MockQuicPacketBuilder pktBuilder;
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// 1000 bytes already gone in this packet
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pktBuilder.remaining_ = kDefaultUDPSendPacketLen - 1000;
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setupCommonExpects(pktBuilder);
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StreamId streamId = 200;
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uint64_t offset = 65535;
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bool fin = false;
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bool hasMoreFrames = false;
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auto inputBuf = buildRandomInputData(20);
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// 1 byte for type
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// 2 bytes for stream id
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// 4 bytes offset
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// => 7 bytes of header
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StreamFrameMetaData streamFrameMetaData(
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streamId, offset, fin, inputBuf->clone(), hasMoreFrames);
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auto streamFrameWriteResult =
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writeStreamFrame(streamFrameMetaData, pktBuilder);
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auto outputBuf = std::move(streamFrameWriteResult->writtenData);
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EXPECT_EQ(20, outputBuf->computeChainDataLength());
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EXPECT_EQ(20, streamFrameWriteResult->bytesWritten);
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size_t consumedSize = 1000 + 7 + 20;
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EXPECT_EQ(
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kDefaultUDPSendPacketLen - consumedSize,
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pktBuilder.remainingSpaceInPkt());
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auto builtOut = std::move(pktBuilder).buildPacket();
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auto regularPacket = builtOut.first;
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EXPECT_EQ(regularPacket.frames.size(), 1);
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auto resultFrame = boost::get<WriteStreamFrame>(regularPacket.frames.back());
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EXPECT_EQ(resultFrame.streamId, streamId);
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EXPECT_EQ(resultFrame.offset, offset);
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EXPECT_EQ(resultFrame.len, 20);
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EXPECT_TRUE(folly::IOBufEqualTo()(inputBuf, outputBuf));
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// Verify the on wire bytes via decoder:
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// (Awkwardly, this assumes the decoder is correct)
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auto wireBuf = std::move(builtOut.second);
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folly::io::Cursor cursor(wireBuf.get());
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auto decodedStreamFrame = boost::get<ReadStreamFrame>(parseQuicFrame(cursor));
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EXPECT_EQ(decodedStreamFrame.streamId, streamId);
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EXPECT_EQ(decodedStreamFrame.offset, offset);
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EXPECT_EQ(decodedStreamFrame.data->computeChainDataLength(), 20);
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EXPECT_TRUE(folly::IOBufEqualTo()(inputBuf, decodedStreamFrame.data));
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}
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TEST_F(QuicWriteCodecTest, WriteTwoStreamFrames) {
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MockQuicPacketBuilder pktBuilder;
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pktBuilder.remaining_ = kDefaultUDPSendPacketLen - 1000;
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setupCommonExpects(pktBuilder);
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// 1 byte for type
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// 2 bytes for stream id
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// 4 bytes for offset
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// 1 byte for length
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// => 8 bytes
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StreamId streamId1 = 300;
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uint64_t offset1 = 65535;
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bool fin1 = false;
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bool hasMoreFrames1 = true;
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auto inputBuf = buildRandomInputData(30);
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StreamFrameMetaData streamFrameMetaData(
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streamId1, offset1, fin1, inputBuf->clone(), hasMoreFrames1);
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auto streamFrameWriteResult =
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writeStreamFrame(streamFrameMetaData, pktBuilder);
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auto outputBuf = std::move(streamFrameWriteResult->writtenData);
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EXPECT_EQ(30, outputBuf->computeChainDataLength());
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EXPECT_EQ(30, streamFrameWriteResult->bytesWritten);
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size_t consumedSize = 1000 + 8 + 30;
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EXPECT_EQ(
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kDefaultUDPSendPacketLen - consumedSize,
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pktBuilder.remainingSpaceInPkt());
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StreamId streamId2 = 300;
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bool hasMoreFrames2 = false;
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uint64_t offset2 = 65565;
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bool fin2 = false;
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auto inputBuf2 = buildRandomInputData(40);
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// 1 byte for type
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// 2 bytes for stream
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// 4 bytes for offset
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// => 7 bytes
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StreamFrameMetaData streamFrameMetaData2(
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streamId2, offset2, fin2, inputBuf2->clone(), hasMoreFrames2);
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auto streamFrameWriteResult2 =
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writeStreamFrame(streamFrameMetaData2, pktBuilder);
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auto outputBuf2 = std::move(streamFrameWriteResult2->writtenData);
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EXPECT_EQ(40, outputBuf2->computeChainDataLength());
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// 4 bytes for stream id, 2 bytes for offset, 1 byte for initial frame type
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EXPECT_EQ(40, streamFrameWriteResult2->bytesWritten);
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consumedSize += 7 + 40;
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EXPECT_EQ(
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kDefaultUDPSendPacketLen - consumedSize,
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pktBuilder.remainingSpaceInPkt());
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auto builtOut = std::move(pktBuilder).buildPacket();
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auto regularPacket = builtOut.first;
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EXPECT_EQ(regularPacket.frames.size(), 2);
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auto resultFrame = boost::get<WriteStreamFrame>(regularPacket.frames.front());
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EXPECT_EQ(resultFrame.streamId, streamId1);
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EXPECT_EQ(resultFrame.offset, offset1);
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EXPECT_EQ(resultFrame.len, 30);
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EXPECT_TRUE(folly::IOBufEqualTo()(inputBuf, outputBuf));
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auto resultFrame2 = boost::get<WriteStreamFrame>(regularPacket.frames.back());
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EXPECT_EQ(resultFrame2.streamId, streamId2);
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EXPECT_EQ(resultFrame2.offset, offset2);
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EXPECT_EQ(resultFrame2.len, 40);
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EXPECT_TRUE(folly::IOBufEqualTo()(inputBuf2, outputBuf2));
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// Verify the on wire bytes via decoder:
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auto wireBuf = std::move(builtOut.second);
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folly::io::Cursor cursor(wireBuf.get());
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auto decodedStreamFrame1 = boost::get<ReadStreamFrame>(quic::parseFrame(
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cursor, regularPacket.header, CodecParameters(kDefaultAckDelayExponent)));
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EXPECT_EQ(decodedStreamFrame1.streamId, streamId1);
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EXPECT_EQ(decodedStreamFrame1.offset, offset1);
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EXPECT_EQ(decodedStreamFrame1.data->computeChainDataLength(), 30);
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EXPECT_TRUE(folly::IOBufEqualTo()(inputBuf, decodedStreamFrame1.data));
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// Read another one from wire output:
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auto decodedStreamFrame2 = boost::get<ReadStreamFrame>(quic::parseFrame(
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cursor, regularPacket.header, CodecParameters(kDefaultAckDelayExponent)));
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EXPECT_EQ(decodedStreamFrame2.streamId, streamId2);
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EXPECT_EQ(decodedStreamFrame2.offset, offset2);
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EXPECT_EQ(decodedStreamFrame2.data->computeChainDataLength(), 40);
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EXPECT_TRUE(folly::IOBufEqualTo()(inputBuf2, decodedStreamFrame2.data));
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}
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TEST_F(QuicWriteCodecTest, WriteStreamFramePartialData) {
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MockQuicPacketBuilder pktBuilder;
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// Networking bytes are just like your youth, they disappear quick:
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pktBuilder.remaining_ = 40;
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setupCommonExpects(pktBuilder);
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auto inputBuf = buildRandomInputData(50);
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StreamId streamId = 300;
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uint64_t offset = 65535;
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bool fin = false;
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bool hasMoreFrames = false;
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// 1 byte for type
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// 2 bytes for stream id
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// 4 bytes for offset
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// => 7 bytes for header
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StreamFrameMetaData streamFrameMetaData(
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streamId, offset, fin, inputBuf->clone(), hasMoreFrames);
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auto streamFrameWriteResult =
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writeStreamFrame(streamFrameMetaData, pktBuilder);
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auto outputBuf = std::move(streamFrameWriteResult->writtenData);
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EXPECT_EQ(outputBuf->computeChainDataLength(), 33);
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EXPECT_EQ(streamFrameWriteResult->bytesWritten, 33);
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EXPECT_EQ(pktBuilder.remainingSpaceInPkt(), 0);
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auto builtOut = std::move(pktBuilder).buildPacket();
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auto regularPacket = builtOut.first;
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EXPECT_EQ(regularPacket.frames.size(), 1);
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auto resultFrame = boost::get<WriteStreamFrame>(regularPacket.frames.back());
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EXPECT_EQ(resultFrame.streamId, streamId);
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EXPECT_EQ(resultFrame.offset, offset);
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EXPECT_EQ(resultFrame.len, 33);
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inputBuf->trimEnd(inputBuf->computeChainDataLength() - 33);
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EXPECT_TRUE(folly::IOBufEqualTo()(inputBuf, outputBuf));
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auto wireBuf = std::move(builtOut.second);
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folly::io::Cursor cursor(wireBuf.get());
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auto decodedStreamFrame = boost::get<ReadStreamFrame>(parseQuicFrame(cursor));
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EXPECT_EQ(decodedStreamFrame.streamId, streamId);
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EXPECT_EQ(decodedStreamFrame.offset, offset);
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EXPECT_EQ(decodedStreamFrame.data->computeChainDataLength(), 33);
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EXPECT_TRUE(folly::IOBufEqualTo()(inputBuf, decodedStreamFrame.data));
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}
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TEST_F(QuicWriteCodecTest, WriteStreamFrameTooSmallForStreamHeader) {
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MockQuicPacketBuilder pktBuilder;
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pktBuilder.remaining_ = 1;
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setupCommonExpects(pktBuilder);
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auto inputBuf = buildRandomInputData(1);
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StreamId streamId = 1;
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uint64_t offset = 65535;
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bool fin = false;
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bool hasMoreFrames = false;
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StreamFrameMetaData streamFrameMetaData(
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streamId, offset, fin, inputBuf->clone(), hasMoreFrames);
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auto result = writeStreamFrame(streamFrameMetaData, pktBuilder);
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EXPECT_FALSE(result.hasValue());
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EXPECT_EQ(1, pktBuilder.remainingSpaceInPkt());
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}
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TEST_F(QuicWriteCodecTest, WriteStreamNoSpaceForData) {
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MockQuicPacketBuilder pktBuilder;
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pktBuilder.remaining_ = 4;
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setupCommonExpects(pktBuilder);
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auto inputBuf = buildRandomInputData(10);
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StreamId streamId = 1;
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uint64_t offset = 1;
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bool fin = false;
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bool hasMoreFrames = true;
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// 1 byte for type
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// 1 byte for stream id
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// 1 byte for offset
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// 1 byte for length
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// => 4 bytes
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StreamFrameMetaData streamFrameMetaData(
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streamId, offset, fin, inputBuf->clone(), hasMoreFrames);
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auto result = writeStreamFrame(streamFrameMetaData, pktBuilder);
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EXPECT_FALSE(result.hasValue());
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EXPECT_EQ(pktBuilder.remainingSpaceInPkt(), 4);
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}
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TEST_F(QuicWriteCodecTest, WriteStreamSpaceForOneByte) {
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// Similar to WriteStreamNoSpaceForData, but this time we
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// do not need the data length field, so we end up actually writing 1 byte
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// real data
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MockQuicPacketBuilder pktBuilder;
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pktBuilder.remaining_ = 4;
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setupCommonExpects(pktBuilder);
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auto inputBuf = buildRandomInputData(100);
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StreamId streamId = 1;
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uint64_t offset = 1;
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bool fin = false;
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bool hasMoreFrames = false;
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// 1 byte for type
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// 1 byte for stream id
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// 1 byte for offet
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// => 3 bytes
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StreamFrameMetaData streamFrameMetaData(
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streamId, offset, fin, inputBuf->clone(), hasMoreFrames);
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auto result = writeStreamFrame(streamFrameMetaData, pktBuilder);
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EXPECT_EQ(result->bytesWritten, 1);
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auto outputBuf = std::move(result->writtenData);
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EXPECT_EQ(outputBuf->computeChainDataLength(), 1);
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EXPECT_EQ(pktBuilder.remainingSpaceInPkt(), 0);
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auto builtOut = std::move(pktBuilder).buildPacket();
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auto regularPacket = builtOut.first;
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EXPECT_EQ(regularPacket.frames.size(), 1);
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auto resultFrame = boost::get<WriteStreamFrame>(regularPacket.frames.back());
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EXPECT_EQ(resultFrame.streamId, streamId);
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EXPECT_EQ(resultFrame.offset, offset);
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EXPECT_EQ(resultFrame.len, 1);
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inputBuf->trimEnd(inputBuf->computeChainDataLength() - 1);
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EXPECT_TRUE(folly::IOBufEqualTo()(inputBuf, outputBuf));
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auto wireBuf = std::move(builtOut.second);
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folly::io::Cursor cursor(wireBuf.get());
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auto decodedStreamFrame = boost::get<ReadStreamFrame>(quic::parseFrame(
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cursor, regularPacket.header, CodecParameters(kDefaultAckDelayExponent)));
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EXPECT_EQ(decodedStreamFrame.streamId, streamId);
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EXPECT_EQ(decodedStreamFrame.offset, offset);
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EXPECT_EQ(decodedStreamFrame.data->computeChainDataLength(), 1);
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EXPECT_TRUE(folly::IOBufEqualTo()(inputBuf, decodedStreamFrame.data));
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}
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TEST_F(QuicWriteCodecTest, WriteFinToEmptyPacket) {
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MockQuicPacketBuilder pktBuilder;
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setupCommonExpects(pktBuilder);
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auto inputBuf = buildRandomInputData(10);
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// 1 byte for type
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// => 1 byte
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StreamId streamId = 1;
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uint64_t offset = 0;
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bool fin = true;
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bool hasMoreFrames = false;
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StreamFrameMetaData streamFrameMetaData(
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streamId, offset, fin, inputBuf->clone(), hasMoreFrames);
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auto result = writeStreamFrame(streamFrameMetaData, pktBuilder);
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auto outputBuf = std::move(result->writtenData);
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EXPECT_TRUE(result->finWritten);
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auto builtOut = std::move(pktBuilder).buildPacket();
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auto regularPacket = builtOut.first;
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EXPECT_EQ(regularPacket.frames.size(), 1);
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auto resultFrame = boost::get<WriteStreamFrame>(regularPacket.frames.back());
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EXPECT_EQ(resultFrame.streamId, streamId);
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EXPECT_EQ(resultFrame.offset, offset);
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EXPECT_EQ(inputBuf->computeChainDataLength(), resultFrame.len);
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EXPECT_TRUE(resultFrame.fin);
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EXPECT_TRUE(folly::IOBufEqualTo()(inputBuf, outputBuf));
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auto wireBuf = std::move(builtOut.second);
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folly::io::Cursor cursor(wireBuf.get());
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auto decodedStreamFrame = boost::get<ReadStreamFrame>(quic::parseFrame(
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cursor, regularPacket.header, CodecParameters(kDefaultAckDelayExponent)));
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EXPECT_EQ(decodedStreamFrame.streamId, streamId);
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EXPECT_EQ(decodedStreamFrame.offset, offset);
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EXPECT_EQ(
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decodedStreamFrame.data->computeChainDataLength(),
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inputBuf->computeChainDataLength());
|
|
EXPECT_TRUE(decodedStreamFrame.fin);
|
|
EXPECT_TRUE(folly::IOBufEqualTo()(inputBuf, decodedStreamFrame.data));
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, TestWriteIncompleteDataAndFin) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
// make sure we are writing more than the packet can hold and then some
|
|
auto inDataSize = pktBuilder.remainingSpaceInPkt() + 20;
|
|
auto inputBuf = buildRandomInputData(inDataSize);
|
|
|
|
// 1 byte for type
|
|
// => 1 byte
|
|
StreamId streamId = 1;
|
|
uint64_t offset = 0;
|
|
bool fin = true;
|
|
bool hasMoreFrames = false;
|
|
StreamFrameMetaData streamFrameMetaData(
|
|
streamId, offset, fin, inputBuf->clone(), hasMoreFrames);
|
|
auto streamFrameWriteResult =
|
|
writeStreamFrame(streamFrameMetaData, pktBuilder);
|
|
EXPECT_FALSE(streamFrameWriteResult->finWritten);
|
|
EXPECT_LT(streamFrameWriteResult->bytesWritten, inDataSize);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, TestWriteNoDataAndFin) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
|
|
// 1 byte for type
|
|
// => 1 byte
|
|
StreamId streamId = 1;
|
|
uint64_t offset = 0;
|
|
bool fin = true;
|
|
bool hasMoreFrames = false;
|
|
Buf empty;
|
|
StreamFrameMetaData streamFrameMetaData(
|
|
streamId, offset, fin, std::move(empty), hasMoreFrames);
|
|
auto streamFrameWriteResult =
|
|
writeStreamFrame(streamFrameMetaData, pktBuilder);
|
|
EXPECT_TRUE(streamFrameWriteResult->finWritten);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, TestWriteNoDataAndNoFin) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
// 1 byte for type
|
|
// => 1 byte
|
|
StreamId streamId = 1;
|
|
uint64_t offset = 0;
|
|
bool fin = false;
|
|
bool hasMoreFrames = false;
|
|
Buf empty;
|
|
StreamFrameMetaData streamFrameMetaData(
|
|
streamId, offset, fin, std::move(empty), hasMoreFrames);
|
|
EXPECT_THROW(
|
|
writeStreamFrame(streamFrameMetaData, pktBuilder), QuicInternalException);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, PacketOnlyHasSpaceForStreamHeader) {
|
|
// If packet only has space for a stream header, even if FIN is set, we should
|
|
// not write anything if we have data
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 2;
|
|
setupCommonExpects(pktBuilder);
|
|
auto inputBuf = buildRandomInputData(20);
|
|
// 1 byte for type
|
|
// 1 byte for stream id
|
|
// => 2 byte
|
|
StreamId streamId = 1;
|
|
uint64_t offset = 0;
|
|
bool fin = true;
|
|
bool hasMoreFrames = false;
|
|
auto buf = buildRandomInputData(1);
|
|
StreamFrameMetaData streamFrameMetaData(
|
|
streamId, offset, fin, std::move(buf), hasMoreFrames);
|
|
auto streamFrameWriteResult =
|
|
writeStreamFrame(streamFrameMetaData, pktBuilder);
|
|
EXPECT_FALSE(streamFrameWriteResult.hasValue());
|
|
EXPECT_EQ(pktBuilder.remainingSpaceInPkt(), 2);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, PacketOnlyHasSpaceForStreamHeaderWithFin) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 2;
|
|
setupCommonExpects(pktBuilder);
|
|
auto inputBuf = buildRandomInputData(20);
|
|
// 1 byte for type
|
|
// 1 byte for stream id
|
|
// => 1 byte
|
|
StreamId streamId = 1;
|
|
uint64_t offset = 0;
|
|
bool fin = true;
|
|
bool hasMoreFrames = false;
|
|
Buf empty;
|
|
StreamFrameMetaData streamFrameMetaData(
|
|
streamId, offset, fin, std::move(empty), hasMoreFrames);
|
|
auto streamFrameWriteResult =
|
|
writeStreamFrame(streamFrameMetaData, pktBuilder);
|
|
ASSERT_TRUE(streamFrameWriteResult.hasValue());
|
|
EXPECT_TRUE(streamFrameWriteResult->finWritten);
|
|
EXPECT_EQ(pktBuilder.remainingSpaceInPkt(), 0);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, AckFrameGapExceedsRepresentation) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
|
|
PacketNum max = std::numeric_limits<uint64_t>::max();
|
|
// Can't use max directly, because it will exceed interval set's
|
|
// representation.
|
|
IntervalSet<PacketNum> ackBlocks = {{max - 10, max - 10}, {1, 1}};
|
|
EXPECT_THROW(
|
|
writeAckFrame(
|
|
AckFrameMetaData(
|
|
ackBlocks,
|
|
std::chrono::microseconds::zero(),
|
|
kDefaultAckDelayExponent),
|
|
pktBuilder),
|
|
QuicTransportException);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, AckFrameVeryLargeAckRange) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
|
|
// 1 type byte,
|
|
// 8 bytes for largest acked, 1 bytes for ack delay => 9 bytes
|
|
// 1 byte for ack block count
|
|
// There is 1 gap => each represented by 8 bytes => 8 bytes
|
|
// total 11 bytes
|
|
PacketNum largest = (uint64_t)1 << 55;
|
|
IntervalSet<PacketNum> ackBlocks = {{1, largest}};
|
|
AckFrameMetaData ackMetadata(
|
|
ackBlocks, std::chrono::microseconds::zero(), kDefaultAckDelayExponent);
|
|
|
|
auto ackFrameWriteResult = *writeAckFrame(ackMetadata, pktBuilder);
|
|
|
|
EXPECT_EQ(19, ackFrameWriteResult.bytesWritten);
|
|
EXPECT_EQ(kDefaultUDPSendPacketLen - 19, pktBuilder.remainingSpaceInPkt());
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(regularPacket.frames.size(), 1);
|
|
WriteAckFrame ackFrame =
|
|
boost::get<WriteAckFrame>(regularPacket.frames.back());
|
|
EXPECT_EQ(ackFrame.ackBlocks.size(), 1);
|
|
|
|
EXPECT_EQ(ackFrame.ackBlocks.front().start, 1);
|
|
EXPECT_EQ(largest, ackFrame.ackBlocks.front().end);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, AckFrameNotEnoughForAnything) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 4;
|
|
setupCommonExpects(pktBuilder);
|
|
|
|
// 1 type byte,
|
|
// 2 bytes for largest acked, 2 bytes for ack delay => 4 bytes
|
|
// 1 byte for ack block count
|
|
// There are 2 gaps => each represented by 2 bytes => 4 bytes
|
|
// 1 byte for first ack block length, then 2 bytes for each pair => 5 bytes
|
|
// total 15 bytes
|
|
IntervalSet<PacketNum> ackBlocks = {{1000, 1000}, {500, 700}, {100, 200}};
|
|
// 4 btyes are just not enough for anything
|
|
AckFrameMetaData ackMetadata(
|
|
ackBlocks, std::chrono::microseconds(555), kDefaultAckDelayExponent);
|
|
|
|
auto result = writeAckFrame(ackMetadata, pktBuilder);
|
|
EXPECT_FALSE(result.hasValue());
|
|
EXPECT_EQ(pktBuilder.remainingSpaceInPkt(), 4);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteSimpleAckFrame) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
auto ackDelay = std::chrono::microseconds(111);
|
|
IntervalSet<PacketNum> ackBlocks = {{501, 1000}, {101, 400}};
|
|
AckFrameMetaData meta(ackBlocks, ackDelay, kDefaultAckDelayExponent);
|
|
|
|
// 1 type byte,
|
|
// 2 bytes for largest acked, 1 bytes for ack delay => 3 bytes
|
|
// 1 byte for ack block count
|
|
// There is 1 gap => each represented by 2 bytes => 2 bytes
|
|
// 2 byte for first ack block length, then 2 bytes for the next len => 4 bytes
|
|
// total 11 bytes
|
|
|
|
auto result = *writeAckFrame(meta, pktBuilder);
|
|
|
|
EXPECT_EQ(11, result.bytesWritten);
|
|
EXPECT_EQ(kDefaultUDPSendPacketLen - 11, pktBuilder.remainingSpaceInPkt());
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
WriteAckFrame ackFrame =
|
|
boost::get<WriteAckFrame>(regularPacket.frames.back());
|
|
EXPECT_EQ(ackFrame.ackBlocks.size(), 2);
|
|
auto iter = ackFrame.ackBlocks.cbegin();
|
|
EXPECT_EQ(iter->start, 101);
|
|
EXPECT_EQ(iter->end, 400);
|
|
iter++;
|
|
EXPECT_EQ(iter->start, 501);
|
|
EXPECT_EQ(iter->end, 1000);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto decodedAckFrame = boost::get<ReadAckFrame>(parseQuicFrame(cursor));
|
|
EXPECT_EQ(decodedAckFrame.largestAcked, 1000);
|
|
EXPECT_EQ(
|
|
decodedAckFrame.ackDelay.count(),
|
|
computeExpectedDelay(ackDelay, kDefaultAckDelayExponent));
|
|
EXPECT_EQ(decodedAckFrame.ackBlocks.size(), 2);
|
|
EXPECT_EQ(decodedAckFrame.ackBlocks[0].startPacket, 501);
|
|
EXPECT_EQ(decodedAckFrame.ackBlocks[0].endPacket, 1000);
|
|
EXPECT_EQ(decodedAckFrame.ackBlocks[1].startPacket, 101);
|
|
EXPECT_EQ(decodedAckFrame.ackBlocks[1].endPacket, 400);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteAckFrameWillSaveAckDelay) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
auto ackDelay = std::chrono::microseconds(111);
|
|
IntervalSet<PacketNum> ackBlocks = {{501, 1000}, {101, 400}};
|
|
AckFrameMetaData meta(ackBlocks, ackDelay, kDefaultAckDelayExponent);
|
|
|
|
writeAckFrame(meta, pktBuilder);
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
WriteAckFrame ackFrame =
|
|
boost::get<WriteAckFrame>(regularPacket.frames.back());
|
|
EXPECT_EQ(ackDelay, ackFrame.ackDelay);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, VerifyNumAckBlocksSizeAccounted) {
|
|
// Tests that if we restrict the size to be exactly the size required for a 1
|
|
// byte num blocks size, if the num blocks requires 2 bytes (practically this
|
|
// will never happen), then we won't write the additional blocks.
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 134;
|
|
setupCommonExpects(pktBuilder);
|
|
|
|
// 1 type byte,
|
|
// 2 byte for largest acked, 1 bytes for ack delay => 3 bytes
|
|
// 2 byte for ack block count, (64 additional blocks)
|
|
// 1 byte for largest ack block len
|
|
// There is 64 blocks => each represented by 2 bytes => 128 bytes
|
|
// total 135 bytes needed, instead only giving 134 bytes.
|
|
auto blockLength = 2;
|
|
auto gap = 2;
|
|
PacketNum largest = 1000;
|
|
PacketNum currentEnd = largest - blockLength - gap;
|
|
IntervalSet<PacketNum> ackBlocks;
|
|
for (int i = 0; i < 64; i++) {
|
|
CHECK_GE(currentEnd, blockLength);
|
|
ackBlocks.insert({currentEnd - blockLength, currentEnd});
|
|
currentEnd -= blockLength + gap;
|
|
}
|
|
ackBlocks.insert({largest, largest});
|
|
AckFrameMetaData ackMetadata(
|
|
ackBlocks, std::chrono::microseconds::zero(), kDefaultAckDelayExponent);
|
|
|
|
auto ackFrameWriteResult = *writeAckFrame(ackMetadata, pktBuilder);
|
|
|
|
EXPECT_EQ(ackFrameWriteResult.bytesWritten, 132);
|
|
EXPECT_EQ(pktBuilder.remainingSpaceInPkt(), 2);
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(regularPacket.frames.size(), 1);
|
|
WriteAckFrame ackFrame =
|
|
boost::get<WriteAckFrame>(regularPacket.frames.back());
|
|
EXPECT_EQ(ackFrame.ackBlocks.size(), 64);
|
|
|
|
EXPECT_EQ(ackFrame.ackBlocks.front().start, 746);
|
|
EXPECT_EQ(ackFrame.ackBlocks.front().end, 748);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteWithDifferentAckDelayExponent) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
|
|
IntervalSet<PacketNum> ackBlocks{{1000, 1000}};
|
|
uint8_t ackDelayExponent = 6;
|
|
AckFrameMetaData ackMetadata(
|
|
ackBlocks, std::chrono::microseconds(1240), ackDelayExponent);
|
|
|
|
writeAckFrame(ackMetadata, pktBuilder);
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto decodedAckFrame = boost::get<ReadAckFrame>(quic::parseFrame(
|
|
cursor, builtOut.first.header, CodecParameters(ackDelayExponent)));
|
|
EXPECT_EQ(
|
|
decodedAckFrame.ackDelay.count(),
|
|
computeExpectedDelay(ackMetadata.ackDelay, ackDelayExponent));
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteExponentInLongHeaderPacket) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
|
|
IntervalSet<PacketNum> ackBlocks{{1000, 1000}};
|
|
uint8_t ackDelayExponent = 6;
|
|
AckFrameMetaData ackMetadata(
|
|
ackBlocks, std::chrono::microseconds(1240), ackDelayExponent);
|
|
|
|
writeAckFrame(ackMetadata, pktBuilder);
|
|
auto builtOut = std::move(pktBuilder).buildLongHeaderPacket();
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto decodedAckFrame = boost::get<ReadAckFrame>(quic::parseFrame(
|
|
cursor, builtOut.first.header, CodecParameters(ackDelayExponent)));
|
|
EXPECT_EQ(
|
|
decodedAckFrame.ackDelay.count(),
|
|
(uint64_t(ackMetadata.ackDelay.count()) >> ackDelayExponent)
|
|
<< kDefaultAckDelayExponent);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, OnlyAckLargestPacket) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
|
|
// 1 type byte,
|
|
// 2 bytes for largest acked, 2 bytes for ack delay => 4 bytes
|
|
// 1 byte for ack block count
|
|
// 1 byte for first ack block length
|
|
// total 7 bytes
|
|
IntervalSet<PacketNum> ackBlocks{{1000, 1000}};
|
|
AckFrameMetaData ackMetadata(
|
|
ackBlocks, std::chrono::microseconds(555), kDefaultAckDelayExponent);
|
|
|
|
// No AckBlock is added to the metadata. There will still be one block
|
|
// generated as the first block to cover largestAcked => 2 bytes
|
|
auto ackFrameWriteResult = *writeAckFrame(ackMetadata, pktBuilder);
|
|
EXPECT_EQ(7, ackFrameWriteResult.bytesWritten);
|
|
EXPECT_EQ(kDefaultUDPSendPacketLen - 7, pktBuilder.remainingSpaceInPkt());
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(regularPacket.frames.size(), 1);
|
|
WriteAckFrame ackFrame =
|
|
boost::get<WriteAckFrame>(regularPacket.frames.back());
|
|
EXPECT_EQ(ackFrame.ackBlocks.size(), 1);
|
|
EXPECT_EQ(ackFrame.ackBlocks.front().start, 1000);
|
|
EXPECT_EQ(ackFrame.ackBlocks.front().end, 1000);
|
|
|
|
// Verify the on wire bytes via decoder:
|
|
// (Awkwardly, this assumes the decoder is correct)
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto decodedAckFrame = boost::get<ReadAckFrame>(parseQuicFrame(cursor));
|
|
EXPECT_EQ(decodedAckFrame.largestAcked, 1000);
|
|
EXPECT_EQ(
|
|
decodedAckFrame.ackDelay.count(),
|
|
computeExpectedDelay(ackMetadata.ackDelay, kDefaultAckDelayExponent));
|
|
EXPECT_EQ(decodedAckFrame.ackBlocks.size(), 1);
|
|
EXPECT_EQ(decodedAckFrame.ackBlocks[0].startPacket, 1000);
|
|
EXPECT_EQ(decodedAckFrame.ackBlocks[0].endPacket, 1000);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteSomeAckBlocks) {
|
|
// Too many ack blocks passed in, we can only write some of them
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 36;
|
|
setupCommonExpects(pktBuilder);
|
|
|
|
// 1 type byte,
|
|
// 2 bytes for largest acked, 2 bytes for ack delay => 4 bytes
|
|
// 1 byte for num ack blocks
|
|
// 1 byte for first ack block length
|
|
// each additional ack block 1 byte gap + 1 byte length => 2 bytes
|
|
// total 7 bytes
|
|
IntervalSet<PacketNum> testAckBlocks;
|
|
PacketNum currentEnd = 1000;
|
|
auto blockLength = 5;
|
|
auto gap = 10;
|
|
for (int i = 0; i < 30; i++) {
|
|
testAckBlocks.insert({currentEnd - blockLength + 1, currentEnd});
|
|
currentEnd -= blockLength + gap;
|
|
}
|
|
testAckBlocks.insert({1000, 1000});
|
|
|
|
AckFrameMetaData ackMetadata(
|
|
testAckBlocks, std::chrono::milliseconds(555), kDefaultAckDelayExponent);
|
|
auto ackFrameWriteResult = *writeAckFrame(ackMetadata, pktBuilder);
|
|
|
|
EXPECT_EQ(ackFrameWriteResult.bytesWritten, 35);
|
|
EXPECT_EQ(pktBuilder.remainingSpaceInPkt(), 1);
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(regularPacket.frames.size(), 1);
|
|
WriteAckFrame ackFrame =
|
|
boost::get<WriteAckFrame>(regularPacket.frames.back());
|
|
EXPECT_EQ(ackFrame.ackBlocks.size(), 14);
|
|
|
|
// Verify the on wire bytes via decoder:
|
|
// (Awkwardly, this assumes the decoder is correct)
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto decodedAckFrame = boost::get<ReadAckFrame>(parseQuicFrame(cursor));
|
|
EXPECT_EQ(decodedAckFrame.largestAcked, 1000);
|
|
EXPECT_EQ(
|
|
decodedAckFrame.ackDelay.count(),
|
|
computeExpectedDelay(ackMetadata.ackDelay, kDefaultAckDelayExponent));
|
|
EXPECT_EQ(decodedAckFrame.ackBlocks.size(), 14);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, NoSpaceForAckBlockSection) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 6;
|
|
setupCommonExpects(pktBuilder);
|
|
|
|
// 1 type byte,
|
|
// 2 bytes for largest acked, 2 bytes for ack delay => 4 bytes
|
|
// 1 byte for num ack blocks
|
|
// 1 byte for first ack block length
|
|
IntervalSet<PacketNum> ackBlocks = {{1000, 1000}, {701, 900}, {501, 600}};
|
|
AckFrameMetaData ackMetadata(
|
|
ackBlocks, std::chrono::microseconds(555), kDefaultAckDelayExponent);
|
|
auto ackFrameWriteResult = writeAckFrame(ackMetadata, pktBuilder);
|
|
EXPECT_FALSE(ackFrameWriteResult.hasValue());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, OnlyHasSpaceForFirstAckBlock) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 10;
|
|
setupCommonExpects(pktBuilder);
|
|
|
|
// 1 type byte,
|
|
// 2 bytes for largest acked, 2 bytes for ack delay => 4 bytes
|
|
// 1 byte for num ack blocks
|
|
// 1 byte for first ack block length
|
|
IntervalSet<PacketNum> ackBlocks = {{1000, 1000}, {701, 900}, {501, 600}};
|
|
AckFrameMetaData ackMetadata(
|
|
ackBlocks, std::chrono::microseconds(555), kDefaultAckDelayExponent);
|
|
auto ackFrameWriteResult = *writeAckFrame(ackMetadata, pktBuilder);
|
|
|
|
EXPECT_EQ(ackFrameWriteResult.bytesWritten, 7);
|
|
EXPECT_EQ(pktBuilder.remainingSpaceInPkt(), 3);
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
WriteAckFrame ackFrame =
|
|
boost::get<WriteAckFrame>(builtOut.first.frames.back());
|
|
EXPECT_EQ(ackFrame.ackBlocks.size(), 1);
|
|
EXPECT_EQ(ackFrame.ackBlocks.front().start, 1000);
|
|
EXPECT_EQ(ackFrame.ackBlocks.front().end, 1000);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto decodedAckFrame = boost::get<ReadAckFrame>(parseQuicFrame(cursor));
|
|
EXPECT_EQ(decodedAckFrame.largestAcked, 1000);
|
|
EXPECT_EQ(
|
|
decodedAckFrame.ackDelay.count(),
|
|
computeExpectedDelay(ackMetadata.ackDelay, kDefaultAckDelayExponent));
|
|
EXPECT_EQ(decodedAckFrame.ackBlocks.size(), 1);
|
|
EXPECT_EQ(decodedAckFrame.ackBlocks[0].startPacket, 1000);
|
|
EXPECT_EQ(decodedAckFrame.ackBlocks[0].endPacket, 1000);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteMaxStreamData) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
StreamId id = 1;
|
|
uint64_t offset = 0x08;
|
|
MaxStreamDataFrame maxStreamDataFrame(id, offset);
|
|
auto bytesWritten = writeFrame(maxStreamDataFrame, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(bytesWritten, 3);
|
|
auto resultMaxStreamDataFrame =
|
|
boost::get<MaxStreamDataFrame>(regularPacket.frames[0]);
|
|
EXPECT_EQ(id, resultMaxStreamDataFrame.streamId);
|
|
EXPECT_EQ(offset, resultMaxStreamDataFrame.maximumData);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto wireMaxStreamDataFrame =
|
|
boost::get<MaxStreamDataFrame>(parseQuicFrame(cursor));
|
|
EXPECT_EQ(id, wireMaxStreamDataFrame.streamId);
|
|
EXPECT_EQ(offset, wireMaxStreamDataFrame.maximumData);
|
|
|
|
// At last, verify there is nothing left in the wire format bytes:
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, NoSpaceForMaxStreamData) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 1;
|
|
setupCommonExpects(pktBuilder);
|
|
MaxStreamDataFrame maxStreamDataFrame(1, 0x08);
|
|
EXPECT_EQ(0, writeFrame(maxStreamDataFrame, pktBuilder));
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteMaxData) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
MaxDataFrame maxDataFrame(1000);
|
|
auto bytesWritten = writeFrame(maxDataFrame, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(bytesWritten, 3);
|
|
auto resultMaxDataFrame = boost::get<MaxDataFrame>(regularPacket.frames[0]);
|
|
EXPECT_EQ(1000, resultMaxDataFrame.maximumData);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto wireMaxDataFrame = boost::get<MaxDataFrame>(parseQuicFrame(cursor));
|
|
EXPECT_EQ(1000, wireMaxDataFrame.maximumData);
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, NoSpaceForMaxData) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 0;
|
|
setupCommonExpects(pktBuilder);
|
|
MaxDataFrame maxDataFrame(1000);
|
|
EXPECT_EQ(0, writeFrame(maxDataFrame, pktBuilder));
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteMaxStreamId) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
StreamId maxStream = 0x1234;
|
|
bool isBidirectional = true;
|
|
MaxStreamsFrame maxStreamIdFrame(maxStream, isBidirectional);
|
|
auto bytesWritten = writeFrame(maxStreamIdFrame, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
// 1 byte for the type and 2 bytes for the stream id.
|
|
EXPECT_EQ(1 + 2, bytesWritten);
|
|
auto resultMaxStreamIdFrame =
|
|
boost::get<MaxStreamsFrame>(regularPacket.frames[0]);
|
|
EXPECT_EQ(0x1234, resultMaxStreamIdFrame.maxStreams);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto wireStreamIdFrame = boost::get<MaxStreamsFrame>(parseQuicFrame(cursor));
|
|
EXPECT_EQ(0x1234, wireStreamIdFrame.maxStreams);
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteUniMaxStreamId) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
StreamId maxStream = 0x1233;
|
|
bool isBidirectional = false;
|
|
MaxStreamsFrame maxStreamIdFrame(maxStream, isBidirectional);
|
|
auto bytesWritten = writeFrame(maxStreamIdFrame, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
// 1 byte for the type and 2 bytes for the stream id.
|
|
EXPECT_EQ(1 + 2, bytesWritten);
|
|
auto resultMaxStreamIdFrame =
|
|
boost::get<MaxStreamsFrame>(regularPacket.frames[0]);
|
|
EXPECT_EQ(0x1233, resultMaxStreamIdFrame.maxStreams);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto wireStreamIdFrame = boost::get<MaxStreamsFrame>(parseQuicFrame(cursor));
|
|
EXPECT_EQ(0x1233, wireStreamIdFrame.maxStreams);
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, NoSpaceForMaxStreamId) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 0;
|
|
setupCommonExpects(pktBuilder);
|
|
StreamId maxStream = 0x1234;
|
|
MaxStreamsFrame maxStreamIdFrame(maxStream, true);
|
|
EXPECT_EQ(0, writeFrame(maxStreamIdFrame, pktBuilder));
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteConnClose) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
std::string reasonPhrase("You are fired");
|
|
ConnectionCloseFrame connectionCloseFrame(
|
|
TransportErrorCode::PROTOCOL_VIOLATION, reasonPhrase);
|
|
auto connCloseBytesWritten = writeFrame(connectionCloseFrame, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
// 5 == ErrorCode(2) + FrameType(1) + reasonPhrase-len(2)
|
|
EXPECT_EQ(5 + reasonPhrase.size(), connCloseBytesWritten);
|
|
auto resultConnCloseFrame =
|
|
boost::get<ConnectionCloseFrame>(regularPacket.frames[0]);
|
|
EXPECT_EQ(
|
|
TransportErrorCode::PROTOCOL_VIOLATION, resultConnCloseFrame.errorCode);
|
|
EXPECT_EQ("You are fired", resultConnCloseFrame.reasonPhrase);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto wireConnCloseFrame =
|
|
boost::get<ConnectionCloseFrame>(parseQuicFrame(cursor));
|
|
EXPECT_EQ(
|
|
TransportErrorCode::PROTOCOL_VIOLATION, wireConnCloseFrame.errorCode);
|
|
EXPECT_EQ("You are fired", wireConnCloseFrame.reasonPhrase);
|
|
|
|
// At last, verify there is nothing left in the wire format bytes:
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, DecodeConnCloseLarge) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
std::string reasonPhrase;
|
|
reasonPhrase.resize(kMaxReasonPhraseLength + 10);
|
|
ConnectionCloseFrame connectionCloseFrame(
|
|
TransportErrorCode::PROTOCOL_VIOLATION, reasonPhrase);
|
|
writeFrame(connectionCloseFrame, pktBuilder);
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
auto resultConnCloseFrame =
|
|
boost::get<ConnectionCloseFrame>(regularPacket.frames[0]);
|
|
EXPECT_EQ(
|
|
TransportErrorCode::PROTOCOL_VIOLATION, resultConnCloseFrame.errorCode);
|
|
EXPECT_EQ(resultConnCloseFrame.reasonPhrase, reasonPhrase);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
EXPECT_THROW(
|
|
boost::get<ConnectionCloseFrame>(parseQuicFrame(cursor)),
|
|
std::runtime_error);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, NoSpaceConnClose) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 2;
|
|
setupCommonExpects(pktBuilder);
|
|
std::string reasonPhrase("You are all fired");
|
|
ConnectionCloseFrame connCloseFrame(
|
|
TransportErrorCode::PROTOCOL_VIOLATION, reasonPhrase);
|
|
EXPECT_EQ(0, writeFrame(connCloseFrame, pktBuilder));
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, DecodeAppCloseLarge) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
std::string reasonPhrase;
|
|
reasonPhrase.resize(kMaxReasonPhraseLength + 10);
|
|
ApplicationCloseFrame applicationCloseFrame(
|
|
GenericApplicationErrorCode::UNKNOWN, reasonPhrase);
|
|
writeFrame(applicationCloseFrame, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
auto resultAppCloseFrame =
|
|
boost::get<ApplicationCloseFrame>(regularPacket.frames[0]);
|
|
EXPECT_EQ(
|
|
GenericApplicationErrorCode::UNKNOWN, resultAppCloseFrame.errorCode);
|
|
EXPECT_EQ(resultAppCloseFrame.reasonPhrase, reasonPhrase);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
EXPECT_THROW(
|
|
boost::get<ApplicationCloseFrame>(parseQuicFrame(cursor)),
|
|
std::runtime_error);
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WritePing) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
PingFrame pingFrame;
|
|
auto pingBytesWritten = writeFrame(pingFrame, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(1, pingBytesWritten);
|
|
EXPECT_NO_THROW(boost::get<PingFrame>(regularPacket.frames[0]));
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
boost::get<PingFrame>(parseQuicFrame(cursor));
|
|
|
|
// At last, verify there is nothing left in the wire format bytes:
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, NoSpaceForPing) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 0;
|
|
setupCommonExpects(pktBuilder);
|
|
PingFrame pingFrame;
|
|
EXPECT_EQ(0, writeFrame(pingFrame, pktBuilder));
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WritePadding) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
PaddingFrame paddingFrame;
|
|
auto paddingBytesWritten = writeFrame(paddingFrame, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(1, paddingBytesWritten);
|
|
EXPECT_NO_THROW(boost::get<PaddingFrame>(regularPacket.frames[0]));
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
EXPECT_NO_THROW(boost::get<PaddingFrame>(parseQuicFrame(cursor)));
|
|
|
|
// At last, verify there is nothing left in the wire format bytes:
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, NoSpaceForPadding) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 0;
|
|
setupCommonExpects(pktBuilder);
|
|
PaddingFrame paddingFrame;
|
|
EXPECT_EQ(0, writeFrame(paddingFrame, pktBuilder));
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteStreamBlocked) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
StreamId blockedId = 0xF00D;
|
|
uint64_t blockedOffset = 0x1111;
|
|
StreamDataBlockedFrame blockedFrame(blockedId, blockedOffset);
|
|
auto blockedBytesWritten = writeFrame(blockedFrame, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(blockedBytesWritten, 7);
|
|
auto resultBlockedFrame =
|
|
boost::get<StreamDataBlockedFrame>(regularPacket.frames[0]);
|
|
EXPECT_EQ(blockedId, resultBlockedFrame.streamId);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto wireBlockedFrame =
|
|
boost::get<StreamDataBlockedFrame>(parseQuicFrame(cursor));
|
|
EXPECT_EQ(blockedId, wireBlockedFrame.streamId);
|
|
EXPECT_EQ(blockedOffset, wireBlockedFrame.dataLimit);
|
|
// At last, verify there is nothing left in the wire format bytes:
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, NoSpaceForBlockedStream) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 1;
|
|
setupCommonExpects(pktBuilder);
|
|
StreamId blockedStream = 0x01;
|
|
uint64_t blockedOffset = 0x1111;
|
|
StreamDataBlockedFrame blockedFrame(blockedStream, blockedOffset);
|
|
EXPECT_EQ(0, writeFrame(blockedFrame, pktBuilder));
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteRstStream) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
StreamId id = 0xBAAD;
|
|
ApplicationErrorCode errorCode = GenericApplicationErrorCode::UNKNOWN;
|
|
uint64_t offset = 0xF00D;
|
|
RstStreamFrame rstStreamFrame(id, errorCode, offset);
|
|
auto rstStreamBytesWritten = writeFrame(rstStreamFrame, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(11, rstStreamBytesWritten);
|
|
auto resultRstStreamFrame =
|
|
boost::get<RstStreamFrame>(regularPacket.frames[0]);
|
|
EXPECT_EQ(errorCode, resultRstStreamFrame.errorCode);
|
|
EXPECT_EQ(id, resultRstStreamFrame.streamId);
|
|
EXPECT_EQ(offset, resultRstStreamFrame.offset);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto wireRstStreamFrame = boost::get<RstStreamFrame>(parseQuicFrame(cursor));
|
|
EXPECT_EQ(errorCode, wireRstStreamFrame.errorCode);
|
|
EXPECT_EQ(id, wireRstStreamFrame.streamId);
|
|
EXPECT_EQ(offset, wireRstStreamFrame.offset);
|
|
// At last, verify there is nothing left in the wire format bytes:
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, NoSpaceForRst) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 1;
|
|
setupCommonExpects(pktBuilder);
|
|
StreamId id = 0xBAAD;
|
|
ApplicationErrorCode errorCode = GenericApplicationErrorCode::UNKNOWN;
|
|
uint64_t offset = 0xF00D;
|
|
RstStreamFrame rstStreamFrame(id, errorCode, offset);
|
|
EXPECT_EQ(0, writeFrame(rstStreamFrame, pktBuilder));
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteBlockedFrame) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
uint64_t blockedOffset = 0x11111;
|
|
DataBlockedFrame blockedFrame(blockedOffset);
|
|
auto bytesWritten = writeFrame(blockedFrame, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(bytesWritten, 5);
|
|
EXPECT_NO_THROW(boost::get<DataBlockedFrame>(regularPacket.frames[0]));
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto wireBlockedFrame = boost::get<DataBlockedFrame>(parseQuicFrame(cursor));
|
|
EXPECT_EQ(wireBlockedFrame.dataLimit, blockedOffset);
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, NoSpaceForBlocked) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 0;
|
|
setupCommonExpects(pktBuilder);
|
|
uint64_t blockedOffset = 0x11111;
|
|
DataBlockedFrame blockedFrame(blockedOffset);
|
|
EXPECT_EQ(0, writeFrame(blockedFrame, pktBuilder));
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteStreamIdNeeded) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
StreamId blockedStreamId = 0x211;
|
|
MaxStreamsFrame streamIdNeeded(blockedStreamId, true);
|
|
auto bytesWritten = writeFrame(streamIdNeeded, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(bytesWritten, 3);
|
|
EXPECT_NO_THROW(boost::get<MaxStreamsFrame>(regularPacket.frames[0]));
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto writeStreamIdBlocked =
|
|
boost::get<MaxStreamsFrame>(parseQuicFrame(cursor));
|
|
EXPECT_EQ(writeStreamIdBlocked.maxStreams, blockedStreamId);
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, NoSpaceForStreamIdNeeded) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
pktBuilder.remaining_ = 0;
|
|
setupCommonExpects(pktBuilder);
|
|
StreamId blockedStreamId = 0x211;
|
|
MaxStreamsFrame streamIdNeeded(blockedStreamId, true);
|
|
EXPECT_EQ(0, writeFrame(streamIdNeeded, pktBuilder));
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteNewConnId) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
StatelessResetToken token;
|
|
memset(token.data(), 'a', token.size());
|
|
NewConnectionIdFrame newConnId(1, getTestConnectionId(), token);
|
|
auto bytesWritten = writeFrame(newConnId, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(bytesWritten, 27);
|
|
auto resultNewConnIdFrame =
|
|
boost::get<NewConnectionIdFrame>(regularPacket.frames[0]);
|
|
EXPECT_EQ(resultNewConnIdFrame.sequence, 1);
|
|
EXPECT_EQ(resultNewConnIdFrame.connectionId, getTestConnectionId());
|
|
EXPECT_EQ(resultNewConnIdFrame.token, token);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto wireNewConnIdFrame =
|
|
boost::get<NewConnectionIdFrame>(parseQuicFrame(cursor));
|
|
EXPECT_EQ(1, wireNewConnIdFrame.sequence);
|
|
EXPECT_EQ(getTestConnectionId(), wireNewConnIdFrame.connectionId);
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteStopSending) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
StreamId streamId = 10;
|
|
auto errorCode = GenericApplicationErrorCode::UNKNOWN;
|
|
|
|
StopSendingFrame stopSending(streamId, errorCode);
|
|
auto bytesWritten = writeSimpleFrame(stopSending, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(bytesWritten, 4);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto wireSimpleFrame = boost::get<QuicSimpleFrame>(parseQuicFrame(cursor));
|
|
auto wireStopSendingFrame = boost::get<StopSendingFrame>(wireSimpleFrame);
|
|
EXPECT_EQ(wireStopSendingFrame.streamId, streamId);
|
|
EXPECT_EQ(wireStopSendingFrame.errorCode, errorCode);
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
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TEST_F(QuicWriteCodecTest, NoSpaceForNewConnId) {
|
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MockQuicPacketBuilder pktBuilder;
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pktBuilder.remaining_ = 0;
|
|
setupCommonExpects(pktBuilder);
|
|
NewConnectionIdFrame newConnId(
|
|
1, getTestConnectionId(), StatelessResetToken());
|
|
EXPECT_EQ(0, writeFrame(newConnId, pktBuilder));
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteExpiredStreamDataFrame) {
|
|
MockQuicPacketBuilder pktBuilder;
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|
setupCommonExpects(pktBuilder);
|
|
StreamId id = 10;
|
|
uint64_t offset = 0x08;
|
|
ExpiredStreamDataFrame expiredStreamDataFrame(id, offset);
|
|
auto bytesWritten = writeFrame(expiredStreamDataFrame, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(bytesWritten, 4);
|
|
auto result = boost::get<ExpiredStreamDataFrame>(
|
|
boost::get<QuicSimpleFrame>(regularPacket.frames[0]));
|
|
EXPECT_EQ(id, result.streamId);
|
|
EXPECT_EQ(offset, result.minimumStreamOffset);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto wireExpiredStreamDataFrame = boost::get<ExpiredStreamDataFrame>(
|
|
boost::get<QuicSimpleFrame>(parseQuicFrame(cursor)));
|
|
EXPECT_EQ(id, wireExpiredStreamDataFrame.streamId);
|
|
EXPECT_EQ(offset, wireExpiredStreamDataFrame.minimumStreamOffset);
|
|
|
|
// At last, verify there is nothing left in the wire format bytes:
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WriteMinStreamDataFrame) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
StreamId id = 10;
|
|
uint64_t maximumData = 0x64;
|
|
uint64_t offset = 0x08;
|
|
MinStreamDataFrame minStreamDataFrame(id, maximumData, offset);
|
|
auto bytesWritten = writeFrame(minStreamDataFrame, pktBuilder);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
auto regularPacket = builtOut.first;
|
|
EXPECT_EQ(bytesWritten, 6);
|
|
auto result = boost::get<MinStreamDataFrame>(
|
|
boost::get<QuicSimpleFrame>(regularPacket.frames[0]));
|
|
EXPECT_EQ(id, result.streamId);
|
|
EXPECT_EQ(maximumData, result.maximumData);
|
|
EXPECT_EQ(offset, result.minimumStreamOffset);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto wireMinStreamDataFrame = boost::get<MinStreamDataFrame>(
|
|
boost::get<QuicSimpleFrame>(parseQuicFrame(cursor)));
|
|
EXPECT_EQ(id, wireMinStreamDataFrame.streamId);
|
|
EXPECT_EQ(maximumData, wireMinStreamDataFrame.maximumData);
|
|
EXPECT_EQ(offset, wireMinStreamDataFrame.minimumStreamOffset);
|
|
|
|
// At last, verify there is nothing left in the wire format bytes:
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WritePathChallenge) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
|
|
uint64_t pathData = 0x64;
|
|
PathChallengeFrame pathChallenge(pathData);
|
|
auto bytesWritten = writeSimpleFrame(pathChallenge, pktBuilder);
|
|
EXPECT_EQ(bytesWritten, 9);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
|
|
auto regularPacket = builtOut.first;
|
|
auto result = boost::get<PathChallengeFrame>(
|
|
boost::get<QuicSimpleFrame>(regularPacket.frames[0]));
|
|
EXPECT_EQ(result.pathData, pathData);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto wireSimpleFrame = boost::get<QuicSimpleFrame>(parseQuicFrame(cursor));
|
|
auto wirePathChallengeFrame = boost::get<PathChallengeFrame>(wireSimpleFrame);
|
|
EXPECT_EQ(wirePathChallengeFrame.pathData, pathData);
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
|
|
TEST_F(QuicWriteCodecTest, WritePathResponse) {
|
|
MockQuicPacketBuilder pktBuilder;
|
|
setupCommonExpects(pktBuilder);
|
|
|
|
uint64_t pathData = 0x64;
|
|
PathResponseFrame pathResponse(pathData);
|
|
auto bytesWritten = writeSimpleFrame(pathResponse, pktBuilder);
|
|
EXPECT_EQ(bytesWritten, 9);
|
|
|
|
auto builtOut = std::move(pktBuilder).buildPacket();
|
|
|
|
auto regularPacket = builtOut.first;
|
|
auto result = boost::get<PathResponseFrame>(
|
|
boost::get<QuicSimpleFrame>(regularPacket.frames[0]));
|
|
EXPECT_EQ(result.pathData, pathData);
|
|
|
|
auto wireBuf = std::move(builtOut.second);
|
|
folly::io::Cursor cursor(wireBuf.get());
|
|
auto wireSimpleFrame = boost::get<QuicSimpleFrame>(parseQuicFrame(cursor));
|
|
auto wirePathResponseFrame = boost::get<PathResponseFrame>(wireSimpleFrame);
|
|
EXPECT_EQ(wirePathResponseFrame.pathData, pathData);
|
|
EXPECT_TRUE(cursor.isAtEnd());
|
|
}
|
|
} // namespace test
|
|
} // namespace quic
|