For the record - it seems that TransmitPackets is a Windows equivalent of sendmmsg which sends each passed buffer in its own UDP datagram,
I have created a test project to understand better how it works, https://github.com/lstipakov/TransmitPackets/blob/master/TransmitPackets.cpp , will try at some point with OpenVPN. ke 12. kesäk. 2019 klo 19.43 Lev Stipakov ([email protected]) kirjoitti: > > WSASend / WSASendTo methods, which we use to write to link on Windows, >> already support multiple buffers (but we do not use that feature): >> > > Argh, turns out that WSASend combines multiple buffers (openvpn packets) > into single UDP packet, > which doesn't work for openvpn - we expect UDP packet to contain single > openvpn packet. > > -- > -Lev > -- -Lev
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