xref: /DragonOS/tools/debugging/logmonitor/src/backend/monitor/mod.rs (revision 03746da3d9f3ea616cecdb6e581414002075f866)
1 use std::{
2     fmt::Debug,
3     ops::{Deref, DerefMut},
4 };
5 
6 pub mod logset;
7 pub mod mm;
8 
9 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
10 pub struct ObjectWrapper<T> {
11     object: Box<T>,
12 }
13 
14 impl<T: Debug + Sized> ObjectWrapper<T> {
15     pub fn new(buf: &[u8]) -> Option<Self> {
16         if buf.len() != std::mem::size_of::<T>() {
17             println!(
18                 "ObjectWrapper::new(): buf.len() '{}'  != std::mem::size_of::<T>(): '{}'",
19                 buf.len(),
20                 std::mem::size_of::<T>()
21             );
22             return None;
23         }
24         let x = unsafe { std::ptr::read(buf.as_ptr() as *const T) };
25 
26         let object = Box::new(x);
27 
28         // let object = ManuallyDrop::new(x);
29         Some(Self { object })
30     }
31 }
32 
33 impl<T> DerefMut for ObjectWrapper<T> {
34     fn deref_mut(&mut self) -> &mut Self::Target {
35         &mut self.object
36     }
37 }
38 
39 impl<T> Deref for ObjectWrapper<T> {
40     type Target = T;
41 
42     fn deref(&self) -> &Self::Target {
43         &self.object
44     }
45 }
46