Function udp_sas_async::recv_sas

source · 
pub fn recv_sas(
    socket: RawFd,
    buf: &mut [u8]
) -> Result<(usize, Option<SocketAddr>, Option<IpAddr>)>
Expand description

Receive a datagram (low-level function)

Parameters

  • buf: buffer for storing the payload

Returns a tuple containing:

  • the size of the payload
  • the source socket address (peer)
  • the destination ip address (local)

Note: the source (peer) and destination (local) addresses may not be present in the result if the underlying socket does not provide them.