Initial commit (history reset)

2025-07-09 07:18:46 -05:00
commit da8a4ce5a5
8 changed files with 366 additions and 0 deletions
@@ -0,0 +1,75 @@
+pub mod binder;
+
+use std::{
+    fs,
+    io::{self, Read, Write},
+    os::unix::net::UnixListener,
+};
+
+pub trait Lib {
+    fn init(&mut self);
+    fn call(&mut self, id: u8);
+}
+
+pub fn run<L: Lib>(mut dyn_lib: L, dyn_lib_id: &str) -> io::Result<()> {
+    let path = &format!("/tmp/{dyn_lib_id}");
+
+    let _ = fs::remove_file(path);
+
+    let listener = UnixListener::bind(path)?;
+    println!("Listening on {path}");
+
+    dyn_lib.init();
+
+    for stream in listener.incoming() {
+        match stream {
+            Ok(mut sock) => loop {
+                match read_line(&mut sock) {
+                    Some(id) => {
+                        println!("Calling {id:?}");
+                        dyn_lib.call(id[0]);
+                        sock.write_all(&[0x52, 255])?;
+                        sock.flush()?;
+                    }
+                    None => {
+                        break;
+                    }
+                }
+            },
+            Err(e) => {
+                eprintln!("Connection failed: {e}");
+            }
+        }
+    }
+
+    Ok(())
+}
+
+pub fn read_line<T: Read>(stream: &mut T) -> Option<Vec<u8>> {
+    let mut buffer = Vec::new();
+
+    loop {
+        let mut tmp = [0u8; 1];
+        stream.read_exact(&mut tmp).ok()?;
+
+        buffer.extend_from_slice(&tmp);
+
+        if tmp[0] == 255 {
+            break;
+        }
+    }
+
+    Some(buffer)
+}
+
+#[macro_export]
+macro_rules! lib {
+    ($(fn $id:literal() $(-> $t:ty)? $body:block)*) => {
+        fn call(&mut self, id: u8) {
+            match id {
+                $($id => $body)*
+                _ => {}
+            }
+        }
+    };
+}