fail on socket error per default

wg-event-gen/src/main.rs

@@ -18,6 +18,7 @@ use std::io::{BufRead, BufReader, Error, ErrorKind, Result};
 use std::net::{IpAddr, SocketAddr};
 use std::os::unix::net::UnixStream;
 use std::path::PathBuf;
+use std::process::exit;
 use std::thread;
 use std::time::Duration;
 use structopt::StructOpt;
@@ -242,6 +243,9 @@ fn main() {
             Ok(state) => state,
             Err(err) => {
                 eprintln!("Failed to read from socket: {}", err);
+                if !opts.ignore_socket_errors {
+                    exit(1);
+                }
                 continue;
             }
         };

wg-event-gen/src/opts.rs

@@ -28,6 +28,9 @@ pub struct Opts {
     )]
     pub events: Option<PathBuf>,
 
+    #[structopt(short = "I", long = "ignore-socket-err", env = "WG_IGNORE_SOCKET_ERR")]
+    pub ignore_socket_errors: bool,
+
     #[structopt(name = "SOCKET", parse(from_os_str), env = "WG_EVENT_SOCKET")]
     pub socket: PathBuf,
 }