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Introduce quic::Optional

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Summary:
The idea here is to make it so we can swap out the type we are using for optionality. In the near term we are going to try swapping towards one that more aggressively tries to save size.

For now there is no functional change and this is just a big aliasing diff.

Reviewed By: sharmafb

Differential Revision: D57633896

fbshipit-source-id: 6eae5953d47395b390016e59cf9d639f3b6c8cfe
This commit is contained in:
Matt Joras
2024-06-11 11:02:02 -07:00
committed by Facebook GitHub Bot
parent faba3bdea7
commit aefc9e369b
234 changed files with 1834 additions and 2021 deletions
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20
quic/api/QuicPacketScheduler.cpp
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@ -113,7 +113,7 @@ class MiddleStartingIterationWrapper {
namespace quic {
bool hasAcksToSchedule(const AckState& ackState) {
folly::Optional<PacketNum> largestAckSend = largestAckToSend(ackState);
Optional<PacketNum> largestAckSend = largestAckToSend(ackState);
if (!largestAckSend) {
return false;
}
@ -124,9 +124,9 @@ bool hasAcksToSchedule(const AckState& ackState) {
return *largestAckSend > *(ackState.largestAckScheduled);
}
folly::Optional<PacketNum> largestAckToSend(const AckState& ackState) {
Optional<PacketNum> largestAckToSend(const AckState& ackState) {
if (ackState.acks.empty()) {
return folly::none;
return none;
}
return ackState.acks.back().end;
}
@ -329,7 +329,7 @@ SchedulingResult FrameScheduler::scheduleFramesForPacket(
}
return SchedulingResult(
folly::none, std::move(builder).buildPacket(), shortHeaderPadding);
none, std::move(builder).buildPacket(), shortHeaderPadding);
}
void FrameScheduler::writeNextAcks(PacketBuilderInterface& builder) {
@ -379,7 +379,7 @@ bool StreamFrameScheduler::writeStreamLossBuffers(
bufferLen, // writeBufferLen -- only the len of the single buffer.
bufferLen, // flowControlLen -- not relevant, already flow controlled.
buffer->eof,
folly::none /* skipLenHint */,
none /* skipLenHint */,
stream.groupId);
if (dataLen) {
wroteStreamFrame = true;
@ -549,7 +549,7 @@ bool StreamFrameScheduler::writeStreamFrame(
bufferLen,
flowControlLen,
canWriteFin,
folly::none /* skipLenHint */,
none /* skipLenHint */,
stream.groupId);
if (!dataLen) {
return false;
@ -569,7 +569,7 @@ AckScheduler::AckScheduler(
const AckState& ackState)
: conn_(conn), ackState_(ackState) {}
folly::Optional<PacketNum> AckScheduler::writeNextAcks(
Optional<PacketNum> AckScheduler::writeNextAcks(
PacketBuilderInterface& builder) {
// Use default ack delay for long headers. Usually long headers are sent
// before crypto negotiation, so the peer might not know about the ack delay
@ -597,7 +597,7 @@ folly::Optional<PacketNum> AckScheduler::writeNextAcks(
conn_.connectionTime, /* connect timestamp */
};
folly::Optional<WriteAckFrameResult> ackWriteResult;
Optional<WriteAckFrameResult> ackWriteResult;
bool isAckReceiveTimestampsSupported =
conn_.transportSettings.maybeAckReceiveTimestampsConfigSentToPeer &&
@ -630,7 +630,7 @@ folly::Optional<PacketNum> AckScheduler::writeNextAcks(
ackWriteResult = writeAckFrame(meta, builder, FrameType::ACK);
}
if (!ackWriteResult) {
return folly::none;
return none;
}
return largestAckedPacketNum;
}
@ -973,7 +973,7 @@ SchedulingResult CloningScheduler::scheduleFramesForPacket(
buf->trimEnd(buf->length() - prevSize);
}
}
return SchedulingResult(folly::none, folly::none, 0);
return SchedulingResult(none, none, 0);
}
folly::StringPiece CloningScheduler::name() const {