Move test for ip from examples back to the file

src/interfaces/ip.rs

@@ -9,7 +9,7 @@ use crate::std::io::{Read, Write};
 use crate::std::println;
 
 
-// #[derive(Clone)]
+/// Interface for interactions using tcp sockets
 pub struct IPInterface {
     pub id: String,
     pub connections: Vec<net::TcpStream>,
@@ -21,10 +21,11 @@ impl InterfaceRequirements for IPInterface {}
 impl Interface for IPInterface {
     fn main_loop_iteration(&mut self) -> IFResult<()> {
         println!("Mainloop   {:?}", self.listener.local_addr());
-
-
         match self.listener.accept() {
-            Ok((stream, addr)) => {println!("New client: {:?}", addr); self.connections.push(stream)},
+            Ok((stream, addr)) => {
+                println!("New client: {:?}", addr);
+                self.connections.push(stream)
+            }
             Err(e) => println!("couldn't get client: {:?}", e),
         }
         // for stream in self.listener.incoming() {
@@ -41,7 +42,6 @@ impl Interface for IPInterface {
         // }
         println!("Hello from mainloop");
         for mut connection in &self.connections {
-
             let mut size_arr: [u8; 4] = [0, 0, 0, 0];
             connection.read_exact(&mut size_arr)?;
             let mut size: u32 = 0;
@@ -49,8 +49,6 @@ impl Interface for IPInterface {
                 size = size * 256 + *size_byte as u32;
             }
             println!("Size: {:?}", size);
-
-
         }
 
         Ok(())
@@ -73,23 +71,61 @@ impl Interface for IPInterface {
             None => {
                 self.connections.push(net::TcpStream::connect(addr)?);
                 self.connections.len() - 1
-            },
+            }
             Some(i) => i
         };
-
         println!("Sending message to {:?}", self.connections[index].peer_addr().unwrap());
-
         self.connections[index].write_all(message)?;
-
         println!("Sent message");
-
         Ok(())
     }
     fn receive(&mut self) -> IFResult<Option<(MessageBytes, TargetingData)>> { todo!() }
 }
 
+#[cfg(test)]
+use alloc::vec;
+
 #[test]
-fn create_connection() { }
+fn test_creating_connection() {
+    let listener = match net::TcpListener::bind("0.0.0.0:60000") {
+        Ok(tmp) => tmp,
+        Err(_) => { return; }
+    };
+    let mut interface1 = IPInterface {
+        id: String::from("IP interface"),
+        connections: vec![],
+        listener,
+    };
+
+    let listener = match net::TcpListener::bind("0.0.0.0:50000") {
+        Ok(tmp) => tmp,
+        Err(_) => { return; }
+    };
+    let mut interface2 = IPInterface {
+        id: String::from("IP interface"),
+        connections: vec![],
+        listener,
+    };
+
+    let t1 = std::thread::spawn(move || {
+        interface1.send(&[0, 0, 1, 1], Some(String::from("0.0.0.0:50000"))).unwrap();
+        interface1
+    });
+    let t2 = std::thread::spawn(move || {
+        interface2.main_loop_iteration().unwrap();
+        interface2
+    });
+    let res1 = t1.join();
+    match res1 {
+        Ok(_) => println!("Ok"),
+        Err(e) => println!("{:?}", e)
+    }
+    let res2 = t2.join();
+    match res2 {
+        Ok(_) => println!("Ok"),
+        Err(e) => println!("{:?}", e)
+    }
+}
 
 #[cfg(test)]
 pub mod test_ip_interface {}