wire: move message buffers into workspace crates

src/utils/buffd/formatter.rs

@@ -1,143 +0,0 @@
-use {
-    crate::{
-        fixed::Fixed,
-        object::ObjectId,
-        utils::buffd::buf_out::{MsgFds, OUT_BUF_SIZE, OutBuffer, OutBufferMeta},
-    },
-    std::{mem, rc::Rc},
-    uapi::{OwnedFd, Packed},
-};
-
-pub struct MsgFormatter<'a> {
-    buf: &'a mut [u8],
-    meta: &'a mut OutBufferMeta,
-    pos: usize,
-    fds: &'a mut Vec<Rc<OwnedFd>>,
-}
-
-impl<'a> MsgFormatter<'a> {
-    pub fn new(buf: &'a mut OutBuffer, fds: &'a mut Vec<Rc<OwnedFd>>) -> Self {
-        Self {
-            pos: buf.meta.write_pos,
-            buf: &mut buf.buf[..],
-            fds,
-            meta: &mut buf.meta,
-        }
-    }
-
-    fn write(&mut self, bytes: &[u8]) {
-        if bytes.len() > OUT_BUF_SIZE - self.meta.write_pos {
-            panic!("Out buffer overflow");
-        }
-        self.buf[self.meta.write_pos..self.meta.write_pos + bytes.len()].copy_from_slice(bytes);
-        self.meta.write_pos += bytes.len();
-    }
-
-    #[inline(always)]
-    pub fn data(&mut self, data: &[u32]) {
-        self.write(uapi::as_bytes(data));
-    }
-
-    pub fn int(&mut self, int: i32) -> &mut Self {
-        self.write(uapi::as_bytes(&int));
-        self
-    }
-
-    pub fn uint(&mut self, int: u32) -> &mut Self {
-        self.write(uapi::as_bytes(&int));
-        self
-    }
-
-    #[expect(dead_code)]
-    pub fn u64(&mut self, int: u64) -> &mut Self {
-        self.uint((int >> 32) as u32);
-        self.uint(int as u32)
-    }
-
-    #[expect(dead_code)]
-    pub fn u64_rev(&mut self, int: u64) -> &mut Self {
-        self.uint(int as u32);
-        self.uint((int >> 32) as u32)
-    }
-
-    pub fn fixed(&mut self, fixed: Fixed) -> &mut Self {
-        self.write(uapi::as_bytes(&fixed.0));
-        self
-    }
-
-    pub fn optstr<S: AsRef<[u8]> + ?Sized>(&mut self, s: Option<&S>) -> &mut Self {
-        match s {
-            Some(s) => self.string(s),
-            _ => self.uint(0),
-        }
-    }
-
-    pub fn string<S: AsRef<[u8]> + ?Sized>(&mut self, s: &S) -> &mut Self {
-        let s = s.as_ref();
-        let len = s.len() + 1;
-        let cap = (len + 3) & !3;
-        self.uint(len as u32);
-        self.write(uapi::as_bytes(s));
-        let none = [0; 4];
-        self.write(&none[..cap - len + 1]);
-        self
-    }
-
-    pub fn fd(&mut self, fd: Rc<OwnedFd>) -> &mut Self {
-        self.fds.push(fd);
-        self
-    }
-
-    pub fn object<T: Into<ObjectId>>(&mut self, obj: T) -> &mut Self {
-        self.uint(obj.into().raw())
-    }
-
-    pub fn header<T: Into<ObjectId>>(&mut self, obj: T, event: u32) -> &mut Self {
-        self.object(obj).uint(event)
-    }
-
-    #[expect(dead_code)]
-    pub fn array<F: FnOnce(&mut MsgFormatter<'_>)>(&mut self, f: F) -> &mut Self {
-        let pos = self.meta.write_pos;
-        self.uint(0);
-        let len = {
-            let mut fmt = MsgFormatter {
-                buf: self.buf,
-                meta: self.meta,
-                pos,
-                fds: self.fds,
-            };
-            f(&mut fmt);
-            let len = self.meta.write_pos - pos - 4;
-            let none = [0; 4];
-            self.write(&none[..self.meta.write_pos.wrapping_neg() & 3]);
-            len as u32
-        };
-        self.buf[pos..pos + 4].copy_from_slice(uapi::as_bytes(&len));
-        self
-    }
-
-    pub fn binary<T: ?Sized + Packed>(&mut self, t: &T) -> &mut Self {
-        self.uint(size_of_val(t) as u32);
-        self.write(uapi::as_bytes(t));
-        let none = [0; 4];
-        self.write(&none[..self.meta.write_pos.wrapping_neg() & 3]);
-        self
-    }
-
-    pub fn write_len(self) {
-        assert!(self.meta.write_pos - self.pos >= 8);
-        assert_eq!(self.pos % 4, 0);
-        unsafe {
-            let second_ptr = self.buf.as_ptr().add(self.pos + 4) as *mut u32;
-            let len = ((self.meta.write_pos - self.pos) as u32) << 16;
-            *second_ptr |= len;
-        }
-        if self.fds.len() > 0 {
-            self.meta.fds.push_back(MsgFds {
-                pos: self.pos,
-                fds: mem::take(self.fds),
-            })
-        }
-    }
-}