Switch to recvmsg

[fasterthanlime]

cf. #24

[fasterthanlime]

In the new, recvmsg codepath, this is what I see when tickets are sent:

 2023-06-14T11:03:41.858232Z TRACE ktls::ktls_stream: recvmsg result = Ok(
    RecvMsg {
        bytes: 81,
        cmsghdr: Some(
            cmsghdr {
                cmsg_len: 17,
                cmsg_level: 282,
                cmsg_type: 2,
            },
        ),
        address: Some(
            SockaddrIn(
                sockaddr_in {
                    sin_family: 63760,
                    sin_port: 13328,
                    sin_addr: in_addr {
                        s_addr: 32713,
                    },
                    sin_zero: [
                        0,
                        0,
                        4,
                        0,
                        0,
                        0,
                        0,
                        0,
                    ],
                },
            ),
        ),
        flags: MSG_EOR,
        iobufs: PhantomData<&()>,
        mhdr: msghdr {
            msg_name: 0x00007fc9387f1af0,
            msg_namelen: 0,
            msg_iov: 0x00007fc9387f2950,
            msg_iovlen: 1,
            msg_control: 0x00007fc93401efa0,
            msg_controllen: 24,
            msg_flags: 128,
        },
    },
)
    at src/ktls_stream.rs:113

Vs when they're not sent:

RecvMsg {
    bytes: 49152,
    cmsghdr: Some(
        cmsghdr {
            cmsg_len: 17,
            cmsg_level: 282,
            cmsg_type: 2,
        },
    ),
    address: Some(
        SockaddrIn(
            sockaddr_in {
                sin_family: 63760,
                sin_port: 16400,
                sin_addr: in_addr {
                    s_addr: 32523,
                },
                sin_zero: [
                    0,
                    0,
                    4,
                    0,
                    0,
                    0,
                    0,
                    0,
                ],
            },
        ),
    ),
    flags: MSG_EOR,
    iobufs: PhantomData<&()>,
    mhdr: msghdr {
        msg_name: 0x00007f0b44bf16d0,
        msg_namelen: 0,
        msg_iov: 0x00007f0b44bf25d0,
        msg_iovlen: 1,
        msg_control: 0x00007f0b40010b50,
        msg_controllen: 24,
        msg_flags: 128,
    },
}

[codecov]

Codecov Report

Merging #25 (a5aeedd) into main (c6d79c1) will decrease coverage by 1.08%.
The diff coverage is 68.62%.

❗ Current head a5aeedd differs from pull request most recent head a04fa88. Consider uploading reports for the commit a04fa88 to get more accurate results

@@            Coverage Diff             @@
##             main      #25      +/-   ##
==========================================
- Coverage   77.05%   75.97%   -1.08%     
==========================================
  Files           4        5       +1     
  Lines         475      512      +37     
==========================================
+ Hits          366      389      +23     
- Misses        109      123      +14     

Impacted Files	Coverage Δ
src/async_read_ready.rs	0.00% <0.00%> (ø)
src/cork_stream.rs	79.83% <50.00%> (-4.24%)	⬇️
src/ktls_stream.rs	64.07% <83.87%> (+6.74%)	⬆️
src/lib.rs	94.44% <100.00%> (ø)

[fasterthanlime]

Closing in favor of #25