send_to and recv_from methods utilizing associated SENDMSG and RE…
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…CVMSG ops.
A couple of structural changes to enable this:
1. Instead of a simple io_uring_cqe as the only result on successful execution
of the entry, we also passthrough any address information that was written
to the `msghdr`. This lets us convert these results into `SocketAddr` on sessionless
transforts, like UDP. The `in_flight` system keeps an array of `Option<SocketAddr>`
to act as the storage location for these socket addresses when necessary.
2. Instead of a bool for if the `with_cqe` method should use a `msghdr`, an enum
is now used to allow the specification of an address that should be copied into
this `msghdr` in addition to just `iovec` information. This is so that `send_to`/`SENDMSG`
operations without an implicit peer can know the delivery destination of the
datagram.
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…CVMSG ops.
Includes an example udp echo program to demonstrate usage.
A couple of structural changes to enable this:
Instead of a simple io_uring_cqe as the only result on successful execution
of the entry, we also passthrough any address information that was written
to the
msghdr. This lets us convert these results intoSocketAddron sessionlesstransforts, like UDP. The
in_flightsystem keeps an array ofOption<SocketAddr>to act as the storage location for these socket addresses when necessary.
Instead of a bool for if the
with_cqemethod should use amsghdr, an enumis now used to allow the specification of an address that should be copied into
this
msghdrin addition to justiovecinformation. This is so thatsend_to/SENDMSGoperations without an implicit peer can know the delivery destination of the
datagram.