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2024-09-19 14:48:51

uvok on Nostr: Uvoksc daily struggle. "Huh?? Why does the LwIP stack send an ACK for a second ...

Uvoksc daily struggle.

"Huh?? Why does the LwIP stack send an ACK for a second incoming TCP connection?? I only accept one at a time!?!?"

Apparently, that's a "backlog", and it's suffering you can't turn off completely.
If I really want to only work with one client at a time, I probably have to accept and close the other sockets immediately?

(No, setting backlog to 0 on listen doesn't help)

#esp32 #lwip #networking
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