reimplemented -I option [CI SKIP]

wg-event-gen/src/main.rs

@@ -17,9 +17,10 @@ use controller::Userspace;
 use model::WireguardController;
 use opts::Opts;
 use std::collections::HashMap;
+use std::error::Error;
 use std::io;
 use std::thread::sleep;
-use std::time::{Duration, SystemTime,Instant, UNIX_EPOCH};
+use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH};
 use structopt::StructOpt;
 
 fn listeners(opts: &Opts) -> Vec<Box<EventListener>> {
@@ -49,7 +50,17 @@ fn main() -> io::Result<()> {
     let start = SystemTime::now();
     loop {
         let now = Instant::now();
-        let peers = controller.peers()?;
+        let peers = match controller.peers() {
+            Err(ref err) if opts.ignore_socket_errors => {
+                eprintln!(
+                    "Encountered error while querying Wireguard: {}",
+                    err.description()
+                );
+                sleep(interval);
+                continue;
+            }
+            res => res?,
+        };
         /*println!("Connected peers:");
         for peer in peers {
             let peer = peer?;