lib/mvfst
1
0
Fork 0
mirror of https://github.com/facebookincubator/mvfst.git synced 2025-11-24 04:01:07 +03:00
Code Activity

Decode ACK_EXTENDED frame

Browse Source 
Summary:
Add functionality for decoding the new ACK_EXTENDED frame.

Frame format:
```
ACK_EXTENDED Frame {
  Type (i) = 0xB1
  // Fields of the existing ACK (type=0x02) frame:
  Largest Acknowledged (i),
  ACK Delay (i),
  ACK Range Count (i),
  First ACK Range (i),
  ACK Range (..) ...,
  Extended Ack Features (i),
  // Optional ECN counts (if bit 0 is set in Features)
  [ECN Counts (..)],
  // Optional Receive Timestamps (if bit 1 is set in Features)
  [Receive Timestamps (..)]
}
// Fields from the existing ACK_ECN frame
ECN Counts {
  ECT0 Count (i),
  ECT1 Count (i),
  ECN-CE Count (i),
}
// Fields from the existing ACK_RECEIVE_TIMESTAMPS frame
Receive Timestamps {
  Timestamp Range Count (i),
  Timestamp Ranges (..) ...,
}
Timestamp Range {
  Gap (i),
  Timestamp Delta Count (i),
  Timestamp Delta (i) ...,
}
```

Reviewed By: sharmafb

Differential Revision: D68931149

fbshipit-source-id: 7eab52449db60fc41a5bf9aa48c0f695ccaca3f0
This commit is contained in:
Joseph Beshay
2025-02-24 12:32:50 -08:00
committed by Facebook GitHub Bot
parent b45c82b884
commit 31fbb343d1
8 changed files with 186 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
quic/server/state/ServerStateMachine.cpp
View File

@@ -857,7 +857,8 @@ void onServerReadDataFromOpen(
conn.readCodec->setCodecParameters(CodecParameters(
conn.peerAckDelayExponent,
version,
conn.transportSettings.maybeAckReceiveTimestampsConfigSentToPeer));
conn.transportSettings.maybeAckReceiveTimestampsConfigSentToPeer,
conn.transportSettings.advertisedExtendedAckFeatures));
conn.initialWriteCipher = cryptoFactory.getServerInitialCipher(
initialDestinationConnectionId, version);