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Custom variant type for packetheader

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Summary:
Make a custom variant type for PacketHeader. By not relying on boost::variant
this reduces the code size of the implementation.

This uses a combination of a union type as well as a enum type to emulate a variant

Reviewed By: yangchi

Differential Revision: D17187589

fbshipit-source-id: 00c2b9b8dd3f3e73af766d84888b13b9d867165a
This commit is contained in:
Subodh Iyengar
2019-09-19 17:30:13 -07:00
committed by Facebook Github Bot
parent c8da36d755
commit 04baa15a04
39 changed files with 593 additions and 641 deletions
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15
quic/codec/test/QuicReadCodecTest.cpp
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@@ -109,7 +109,7 @@ TEST_F(QuicReadCodecTest, RetryPacketTest) {
getTestConnectionId(90),
321,
static_cast<QuicVersion>(0xffff),
folly::IOBuf::copyBuffer("fluffydog"),
std::string("fluffydog"),
getTestConnectionId(110));
RegularQuicPacketBuilder builder(
@@ -121,16 +121,15 @@ TEST_F(QuicReadCodecTest, RetryPacketTest) {
auto retryPacket = boost::get<RegularQuicPacket>(boost::get<QuicPacket>(
makeUnencryptedCodec()->parsePacket(packetQueue, ackStates)));
auto headerOut = boost::get<LongHeader>(retryPacket.header);
auto headerOut = *retryPacket.header.asLong();
EXPECT_EQ(*headerOut.getOriginalDstConnId(), getTestConnectionId(110));
EXPECT_EQ(headerOut.getVersion(), static_cast<QuicVersion>(0xffff));
EXPECT_EQ(headerOut.getSourceConnId(), getTestConnectionId(70));
EXPECT_EQ(headerOut.getDestinationConnId(), getTestConnectionId(90));
folly::IOBufEqualTo eq;
auto expectedBuf = folly::IOBuf::copyBuffer("fluffydog");
EXPECT_TRUE(eq(*headerOut.getToken(), *expectedBuf));
auto expected = std::string("fluffydog");
EXPECT_EQ(headerOut.getToken(), expected);
}
TEST_F(QuicReadCodecTest, EmptyVersionNegotiationPacketTest) {
@@ -486,10 +485,10 @@ TEST_F(QuicReadCodecTest, TestInitialPacket) {
EXPECT_NO_THROW(boost::get<RegularQuicPacket>(quicPacket));
auto regularQuicPacket = boost::get<RegularQuicPacket>(quicPacket);
EXPECT_NO_THROW(boost::get<LongHeader>(regularQuicPacket.header));
auto longPacketHeader = boost::get<LongHeader>(regularQuicPacket.header);
EXPECT_NE(regularQuicPacket.header.asLong(), nullptr);
auto longPacketHeader = regularQuicPacket.header.asLong();
EXPECT_FALSE(longPacketHeader.hasToken());
EXPECT_FALSE(longPacketHeader->hasToken());
}
TEST_F(QuicReadCodecTest, TestHandshakeDone) {