feat: added the ability to start new listeners

sparse-server/src/error.rs

@@ -8,6 +8,8 @@ pub enum Error {
     TokioJoin(tokio::task::JoinError),
     #[cfg(feature = "ssr")]
     Pbkdf2(pbkdf2::password_hash::errors::Error),
+    #[cfg(feature = "ssr")]
+    Io(std::io::Error),
 }
 
 impl std::fmt::Display for Error {
@@ -31,6 +33,10 @@ impl std::fmt::Display for Error {
             Error::Pbkdf2(err) => {
                 write!(f, "password hash error: {err:?}")
             }
+            #[cfg(feature = "ssr")]
+            Error::Io(err) => {
+                write!(f, "io error: {err:?}")
+            }
         }
     }
 }
@@ -42,6 +48,8 @@ impl std::error::Error for Error {
             Error::Sqlx(err) => Some(err),
             #[cfg(feature = "ssr")]
             Error::TokioJoin(err) => Some(err),
+            #[cfg(feature = "ssr")]
+            Error::Io(err) => Some(err),
             _ => None,
         }
     }
@@ -75,3 +83,10 @@ impl From<pbkdf2::password_hash::errors::Error> for Error {
         Self::Pbkdf2(err)
     }
 }
+
+#[cfg(feature = "ssr")]
+impl From<std::io::Error> for Error {
+    fn from(err: std::io::Error) -> Self {
+        Self::Io(err)
+    }
+}