all: refactor to cargo workspace, remove config shared library, remove protocol perms, add dpms cli (#7)

src/io_uring/ops/sendmsg.rs

@@ -1,141 +0,0 @@
-use {
-    crate::{
-        io_uring::{
-            IoUring, IoUringData, IoUringError, IoUringTaskId, Task,
-            pending_result::PendingResult,
-            sys::{IORING_OP_SENDMSG, io_uring_sqe},
-        },
-        time::Time,
-        utils::{buf::Buf, compat::IovLength, vec_ext::UninitVecExt},
-    },
-    std::{mem::MaybeUninit, ptr, rc::Rc},
-    uapi::{OwnedFd, c},
-};
-
-impl IoUring {
-    pub async fn sendmsg_one(
-        &self,
-        fd: &Rc<OwnedFd>,
-        buf: Buf,
-        fds: Vec<Rc<OwnedFd>>,
-        timeout: Option<Time>,
-    ) -> Result<usize, IoUringError> {
-        self.sendmsg(fd, &mut [buf], fds, timeout).await
-    }
-
-    pub async fn sendmsg(
-        &self,
-        fd: &Rc<OwnedFd>,
-        bufs: &mut [Buf],
-        fds: Vec<Rc<OwnedFd>>,
-        timeout: Option<Time>,
-    ) -> Result<usize, IoUringError> {
-        self.ring.check_destroyed()?;
-        let id = self.ring.id();
-        let pr = self.ring.pending_results.acquire();
-        {
-            let mut st = self.ring.cached_sendmsg.pop().unwrap_or_default();
-            st.fds = fds;
-            if st.fds.len() > 0 {
-                let mut fd_ids = self.ring.fd_ids_scratch.borrow_mut();
-                fd_ids.clear();
-                fd_ids.extend(st.fds.iter().map(|f| f.raw()));
-                let space = uapi::cmsg_space(size_of_val(&fd_ids[..]));
-                st.cmsg.clear();
-                st.cmsg.reserve(space);
-                st.cmsg.set_len_safe(space);
-                let mut hdr: c::cmsghdr = uapi::pod_zeroed();
-                hdr.cmsg_level = c::SOL_SOCKET;
-                hdr.cmsg_type = c::SCM_RIGHTS;
-                uapi::cmsg_write(&mut &mut st.cmsg[..], hdr, &fd_ids[..]).unwrap();
-                st.msghdr.msg_control = st.cmsg.as_ptr() as _;
-                st.msghdr.msg_controllen = st.cmsg.len() as _;
-            } else {
-                st.msghdr.msg_control = ptr::null_mut();
-                st.msghdr.msg_controllen = 0;
-            }
-            st.id = id.id;
-            st.fd = fd.raw();
-            st.bufs.clear();
-            st.bufs.extend(bufs.iter_mut().map(|b| b.clone()));
-            st.iovecs.clear();
-            st.iovecs.extend(bufs.iter().map(|b| c::iovec {
-                iov_base: b.as_ptr() as _,
-                iov_len: b.len(),
-            }));
-            st.msghdr.msg_iov = st.iovecs.as_ptr() as _;
-            st.msghdr.msg_iovlen = st.iovecs.len() as IovLength;
-            st.data = Some(SendmsgTaskData {
-                _fd: fd.clone(),
-                res: pr.clone(),
-            });
-            st.has_timeout = timeout.is_some();
-            self.ring.schedule(st);
-            if let Some(timeout) = timeout {
-                self.schedule_timeout_link(timeout);
-            }
-        }
-        Ok(pr.await? as _)
-    }
-}
-
-struct SendmsgTaskData {
-    _fd: Rc<OwnedFd>,
-    res: PendingResult,
-}
-
-pub struct SendmsgTask {
-    id: IoUringTaskId,
-    iovecs: Vec<c::iovec>,
-    msghdr: c::msghdr,
-    bufs: Vec<Buf>,
-    fd: i32,
-    has_timeout: bool,
-    fds: Vec<Rc<OwnedFd>>,
-    cmsg: Vec<MaybeUninit<u8>>,
-    data: Option<SendmsgTaskData>,
-}
-
-impl Default for SendmsgTask {
-    fn default() -> Self {
-        unsafe {
-            SendmsgTask {
-                id: Default::default(),
-                iovecs: vec![],
-                msghdr: MaybeUninit::zeroed().assume_init(),
-                bufs: vec![],
-                fd: 0,
-                has_timeout: false,
-                fds: vec![],
-                cmsg: vec![],
-                data: None,
-            }
-        }
-    }
-}
-
-unsafe impl Task for SendmsgTask {
-    fn id(&self) -> IoUringTaskId {
-        self.id
-    }
-
-    fn complete(mut self: Box<Self>, ring: &IoUringData, res: i32) {
-        self.fds.clear();
-        self.bufs.clear();
-        if let Some(data) = self.data.take() {
-            data.res.complete(res);
-        }
-        ring.cached_sendmsg.push(self);
-    }
-
-    fn encode(&self, sqe: &mut io_uring_sqe) {
-        sqe.opcode = IORING_OP_SENDMSG;
-        sqe.fd = self.fd;
-        sqe.u2.addr = &self.msghdr as *const _ as _;
-        sqe.u3.msg_flags = c::MSG_NOSIGNAL as _;
-    }
-
-    fn has_timeout(&self) -> bool {
-        self.has_timeout
-    }
-}