fix for unresolvable ip's

src/main.rs

@@ -1,6 +1,6 @@
 use std::net::{SocketAddr, IpAddr};
 use std::net::TcpStream;
-use std::{thread, time};
+use std::{process, thread};
 use std::fmt::{Debug};
 use std::time::Duration;
 use chrono::Local;
@@ -44,9 +44,13 @@ struct Args {
 fn main() {
     let args = Args::parse();
     let target_result = get_target_ip(&args.host, &args.v4, &args.v6);
+    if target_result.is_err() {
+        println!("Error: {}", target_result.unwrap_err());
+        process::exit(0);
+    }
     let target_ip: IpAddr = target_result.unwrap();
     let delay = chrono::Duration::milliseconds(1000);
-    let timeout = time::Duration::from_millis(args.timeout.into());
+    let timeout = Duration::from_millis(args.timeout.into());
     if args.repeat {
         loop {
             let start = Local::now();
@@ -54,7 +58,7 @@ fn main() {
             let end = Local::now();
             let delta = end - start;
             if delta < delay {
-                thread::sleep((delay-delta).to_std().unwrap());
+                thread::sleep((delay - delta).to_std().unwrap());
             }
         }
     } else {
@@ -74,17 +78,15 @@ fn get_target_ip(s: &str, v4: &bool, v6: &bool) -> Result<IpAddr, String> {
             } else if *v6 && ip.is_ipv6() {
                 return Ok(ip as IpAddr);
             }
-
         }
         Err(format!(
-            "No resolved IPs",
+            "Failed to Lookup IP",
         ))
     } else {
         Err(format!(
-            "Target wrong",
+            "Unable to resolve Address",
         ))
     }
-
 }
 
 fn ping(host: &IpAddr, port: &u16, timeout: &Duration) -> Result<(), ()> {
@@ -96,5 +98,4 @@ fn ping(host: &IpAddr, port: &u16, timeout: &Duration) -> Result<(), ()> {
         println!("{} - {} - Connection Failed", Local::now().format("%Y-%m-%d %H:%M:%S"), host);
         Err(())
     }
-
 }