lwIP - A Lightweight TCP/IP stack - Bugs: bug #48887, tcp-listen, udp & raw pcbs...
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bug #48887: tcp-listen, udp & raw pcbs need an 'err' callback
Submitter: | Simon Goldschmidt <goldsimon> | ||
Submitted: | Wed 24 Aug 2016 07:26:43 PM UTC | ||
Category: | None | Severity: | 3 - Normal |
Item Group: | None | Status: | None |
Privacy: | Public | Assigned to: | None |
Open/Closed: | Open | Planned Release: | 2.2.0 |
lwIP version: | git head |
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Follows 1 latest change.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2021-10-01 | goldsimon | Planned Release | None | ![]() |
2.2.0 |
At least to notifiy an application of changed local address, these pcb types need an 'err' callback.
The current implementation for tcp-listen and udp is to silently change the address, but that doesn't work well for ipv6 and doesn't seem to match posix behaviour (where a listen socket bound to a specific address just doesn't receive further connections on address change) --> that should be changed, too (or at least be optional? - thanks to the holy grail of backwards compatibility)