new listener func

noxis-rs/src/options.rs

@@ -5,3 +5,4 @@ pub mod logger;
 pub mod signals;
 pub mod structs;
 pub mod preboot;
+pub mod cli_pipeline;

noxis-rs/src/options/cli_pipeline.rs

@@ -0,0 +1,61 @@
+use log::{error, info, warn};
+use tokio::net::{TcpListener, TcpStream};
+use anyhow::{Result as DynResult, Error};
+use tokio::time::{sleep, Duration};
+use std::{borrow::BorrowMut, net::{IpAddr, Ipv4Addr}};
+// use std::io::BufReader;
+use tokio::io::{BufReader, AsyncWriteExt, AsyncBufReadExt};
+
+
+pub async fn init_cli_pipeline() -> DynResult<()> {
+    return match init_listener().await {
+        Some(list) => {
+            loop {
+                if let Ok((socket, addr)) = list.accept().await {
+                    // isolation
+                    if IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)) != addr.ip() {
+                        warn!("Declined attempt to connect TCP-socket from {}", addr);
+                        continue;
+                    }
+                    process_connection(socket).await;
+                }
+                sleep(Duration::from_millis(500)).await;
+            }
+            // Ok(())
+        },
+        None => Err(Error::msg("Addr 127.0.0.1:7753 is already in use"))
+    }
+}
+
+async fn init_listener() -> Option<TcpListener> {
+    return match TcpListener::bind("127.0.0.1:7753").await {
+        Ok(listener) => {
+            info!("Runner is listening localhost:7753");
+            Some(listener)
+        },
+        Err(_) => {
+            error!("Cannot create TCP listener for CLI");
+            None
+        } 
+    }
+}
+
+async fn process_connection(mut stream: TcpStream) {
+    // loop{
+    //     stream.
+    // }
+    let buf_reader = BufReader::new(stream.borrow_mut());
+    let mut rqst = buf_reader.lines();
+
+    while let Ok(Some(line)) = rqst.next_line().await {
+        if line.is_empty() {
+            break;
+        }
+        println!("{}", line);
+    }
+        // .map(|result| result.unwrap())
+        // .take_while(|line| !line.is_empty())
+        // .collect();
+    let response = "HTTP/1.1 200 OK\r\nContent-Length: 13\r\nContent-Type: text/plain\r\n\r\nHello, World!";
+    stream.write_all(response.as_bytes()).await.unwrap();
+}