No duplicate acks #7
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soypat
commented
Dec 23, 2023
| tcb.state = StateCloseWait | ||
| tcb.pending[1] = FlagFIN // Queue FIN for after the CloseWait ACK. | ||
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| dataToAck := seg.DATALEN > 0 |
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This line contains the logic to prevent duplicate acks. The rest of the PR contains tests added, and some RFC compliant changes such as challenge ack and RST handling.
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Seqs now avoids sending duplicate acknowledgments during connection established state.
This leads to cleaner wireshark captures where actual problems in the connection can be more easily visualized.