chore: reorg

__network/tcp/tcp_client/src/main.rs

@@ -0,0 +1,28 @@
+use std::net::TcpStream;
+use std::io::{ Read, Write };
+use std::str::from_utf8;
+
+fn main() {
+    match TcpStream::connect("localhost:3333") {
+        Ok(mut stream) => {
+            println!("Successfully connected to server in port 3333");
+
+            let msg = b"Hello!";
+            stream.write(msg).unwrap();
+            println!("Sent Hello, awaiting reply...");
+
+            let mut data = [0_u8; 6]; // using 6 byte buffer
+            match stream.read_exact(&mut data) {
+                Ok(_) => if &data == msg {
+                    println!("Reply is ok!");
+                } else {
+                    let text = from_utf8(&data).unwrap();
+                    println!("Unexpected reply: {}", text);
+                },
+                Err(e) => println!("Failed to receive data: {}", e),
+            }
+        },
+        Err(e) => println!("Failed to connect: {}", e),
+    }
+    println!("Terminated.");
+}