log when feedback.read fails

src/gui.rs

@@ -109,10 +109,14 @@ impl Main {
    }
 
    fn exchange_recv(&mut self) {
-      match self.c.try_recv() {
+      loop {
-         Ok(msg) => self.ntfy2 = msg,
+         match self.c.try_recv() {
-         _ => {},
+            Ok(msg) => {
-      };
+               self.ntfy2 = msg
+            },
+            _ => return,
+         };
+      }
    }
 
    fn exchange_send(&mut self) {
@@ -343,7 +347,9 @@ impl Feedback {
       loop {
          std::thread::sleep(std::time::Duration::from_secs(2));
          match self.read() {
-            Some(msg) if msg.len() > 0 => self.write(msg),
+            Some(msg) if msg.len() > 0 => {
+               self.write(msg.clone());
+            },
             _ => {},
          };
       }
@@ -351,12 +357,17 @@ impl Feedback {
 
    fn read(&mut self) -> Option<String> {
       return match &self.cfg.url {
-         Some(url) => match reqwest::blocking::get(url) {
+         Some(url) => {
-            Ok(resp) => match resp.text() {
+            match reqwest::blocking::get(url) {
-               Ok(text) => Some(text),
+               Ok(resp) => match resp.text() {
-               _ => None,
+                  Ok(text) => Some(text),
-            },
+                  _ => None,
-            _ => None,
+               },
+               Err(err) => {
+                  eprintln!("feedback.read: cannot fetch: {}", err);
+                  None
+               },
+            }
          },
          _ => None,
       };