Kinda get network working

src/host.rs

@@ -0,0 +1,52 @@
+use std::{
+    io::{BufReader, BufWriter, Read, Write},
+    net::TcpStream,
+};
+
+use syscall_lib::{ProgramMemory, Syscall};
+
+use crate::syscall_exec;
+
+pub struct Host {
+    stream: TcpStream,
+    reader: BufReader<TcpStream>,
+    writer: BufWriter<TcpStream>,
+    // memory: ProgramMemory,
+}
+
+impl Host {
+    pub fn new() -> Result<Host, std::io::Error> {
+        let stream = TcpStream::connect("localhost:1234")?;
+        let reader = BufReader::new(stream.try_clone()?);
+        let writer = BufWriter::new(stream.try_clone()?);
+        Ok(Host {
+            stream,
+            reader,
+            writer,
+            // memory: ProgramMemory::new(),
+        })
+    }
+
+    pub fn execute(&mut self, syscall: &Syscall) -> isize {
+        let bytes = syscall.encode();
+
+        self.writer
+            .write_all(&u32::to_be_bytes(bytes.len() as u32))
+            .unwrap();
+        self.writer.write_all(&bytes).unwrap();
+        self.writer.flush().unwrap();
+
+        println!("{:?} -> ", syscall);
+
+        // let response = syscall_exec::execute_syscall(syscall);
+
+        let mut response = [0u8; 8];
+        self.reader.read_exact(&mut response).unwrap();
+
+        let response = isize::from_be_bytes(response);
+
+        println!("{:?}", response);
+
+        response
+    }
+}