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[lwip-devel] [bug #55987] lwip_recvmsg does not return sender's address/
From: |
Ross Tyler |
Subject: |
[lwip-devel] [bug #55987] lwip_recvmsg does not return sender's address/port |
Date: |
Sat, 23 Mar 2019 12:43:23 -0400 (EDT) |
User-agent: |
Mozilla/5.0 (X11; Fedora; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3664.3 Safari/537.36 |
URL:
<https://savannah.nongnu.org/bugs/?55987>
Summary: lwip_recvmsg does not return sender's address/port
Project: lwIP - A Lightweight TCP/IP stack
Submitted by: rossetyler
Submitted on: Sat 23 Mar 2019 04:43:21 PM UTC
Category: UDP
Severity: 3 - Normal
Item Group: Faulty Behaviour
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Planned Release: None
lwIP version: 2.0.3
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Details:
When using asio async_receive_from, in the esp-idf (v3.2-beta3), the sender's
endpoint is not filled in because lwip_recvmsg ignores the
msghdr->msg_name{,len} it is given. Although this information is available in
lwip_recvfrom, it does not return it because lwip_recvmsg gives it NULL.
The same boost::asio code works fine on Linux.
_______________________________________________________
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