handle errors

src/client/connection.rs

@@ -47,15 +47,20 @@ impl Connection {
 
     /// Close owned [SocketConnection](https://docs.gtk.org/gio/class.SocketConnection.html)
     /// and [TlsClientConnection](https://docs.gtk.org/gio/iface.TlsClientConnection.html) if active
-    pub fn close(&self, cancellable: Option<&Cancellable>) {
+    pub fn close(&self, cancellable: Option<&Cancellable>) -> Result<(), Error> {
         if let Some(ref tls_client_connection) = self.tls_client_connection {
             if !tls_client_connection.is_closed() {
-                tls_client_connection.close(cancellable);
+                if let Err(reason) = tls_client_connection.close(cancellable) {
+                    return Err(Error::TlsClientConnection(reason));
+                }
             }
         }
         if !self.socket_connection.is_closed() {
-            self.socket_connection.close(cancellable);
+            if let Err(reason) = self.socket_connection.close(cancellable) {
+                return Err(Error::SocketConnection(reason));
+            }
         }
+        Ok(())
     }
 
     // Getters

src/client/connection/error.rs

@@ -3,6 +3,7 @@ use std::fmt::{Display, Formatter, Result};
 #[derive(Debug)]
 pub enum Error {
     SocketConnectionClosed,
+    SocketConnection(glib::Error),
     TlsClientConnection(glib::Error),
 }
 
@@ -10,8 +11,11 @@ impl Display for Error {
     fn fmt(&self, f: &mut Formatter) -> Result {
         match self {
             Self::SocketConnectionClosed => write!(f, "Socket connection closed"),
+            Self::SocketConnection(reason) => {
+                write!(f, "Socket connection error: {reason}")
+            }
             Self::TlsClientConnection(reason) => {
-                write!(f, "Could not create TLS connection: {reason}")
+                write!(f, "TLS client connection error: {reason}")
             }
         }
     }