Merged starttls::ConnectorError into starttls::Error

tokio-xmpp/ChangeLog

@@ -3,6 +3,8 @@ XXXX-YY-ZZ RELEASER <admin@example.com>
     * Breaking:
       - Remove `tokio_xmpp::ParseError` and `tokio_xmpp::starttls::ParseError` which were never used
       - Removed StreamFeatures from this crate, replaced with xmpp_parsers::stream_features::StreamFeatures (!400)
+      - `starttls::error::ConnectorError` variants have been merged with `starttls::error::Error`, except `ConnectorError::AllFailed`
+        which was not used and has been completely removed (!418)
 
 Version 4.0.0:
 2024-07-26 Maxime “pep” Buquet <pep@bouah.net>

tokio-xmpp/src/starttls/error.rs

@@ -13,8 +13,10 @@ use tokio_rustls::rustls::Error as TlsError;
 /// StartTLS ServerConnector Error
 #[derive(Debug)]
 pub enum Error {
-    /// Error resolving DNS and establishing a connection
-    Connection(ConnectorError),
+    /// DNS protocol error
+    Dns(ProtoError),
+    /// DNS resolution error
+    Resolve(ResolveError),
     /// DNS label conversion error, no details available from module
     /// `idna`
     Idna,
@@ -30,7 +32,8 @@ pub enum Error {
 impl fmt::Display for Error {
     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
         match self {
-            Error::Connection(e) => write!(fmt, "connection error: {}", e),
+            Error::Dns(e) => write!(fmt, "{:?}", e),
+            Error::Resolve(e) => write!(fmt, "{:?}", e),
             Error::Idna => write!(fmt, "IDNA error"),
             Error::Tls(e) => write!(fmt, "TLS error: {}", e),
             #[cfg(all(feature = "tls-rust", not(feature = "tls-native")))]
@@ -48,12 +51,6 @@ impl From<crate::error::Error> for Error {
     }
 }
 
-impl From<ConnectorError> for Error {
-    fn from(e: ConnectorError) -> Self {
-        Error::Connection(e)
-    }
-}
-
 impl From<TlsError> for Error {
     fn from(e: TlsError) -> Self {
         Error::Tls(e)
@@ -66,22 +63,3 @@ impl From<InvalidDnsNameError> for Error {
         Error::DnsNameError(e)
     }
 }
-
-/// Error establishing connection
-#[derive(Debug)]
-pub enum ConnectorError {
-    /// All attempts failed, no error available
-    AllFailed,
-    /// DNS protocol error
-    Dns(ProtoError),
-    /// DNS resolution error
-    Resolve(ResolveError),
-}
-
-impl StdError for ConnectorError {}
-
-impl std::fmt::Display for ConnectorError {
-    fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
-        write!(fmt, "{:?}", self)
-    }
-}

tokio-xmpp/src/starttls/happy_eyeballs.rs

@@ -1,4 +1,4 @@
-use super::error::{ConnectorError, Error};
+use super::error::Error;
 use futures::{future::select_ok, FutureExt};
 use hickory_resolver::{
     config::LookupIpStrategy, name_server::TokioConnectionProvider, IntoName, TokioAsyncResolver,
@@ -17,14 +17,14 @@ pub async fn connect_to_host(domain: &str, port: u16) -> Result<TcpStream, Error
     }
 
     let (config, mut options) =
-        hickory_resolver::system_conf::read_system_conf().map_err(ConnectorError::Resolve)?;
+        hickory_resolver::system_conf::read_system_conf().map_err(Error::Resolve)?;
     options.ip_strategy = LookupIpStrategy::Ipv4AndIpv6;
     let resolver = TokioAsyncResolver::new(config, options, TokioConnectionProvider::default());
 
     let ips = resolver
         .lookup_ip(ascii_domain)
         .await
-        .map_err(ConnectorError::Resolve)?;
+        .map_err(Error::Resolve)?;
     // Happy Eyeballs: connect to all records in parallel, return the
     // first to succeed
     select_ok(
@@ -50,11 +50,11 @@ pub async fn connect_with_srv(
             .map_err(|e| Error::from(crate::Error::Io(e)))?);
     }
 
-    let resolver = TokioAsyncResolver::tokio_from_system_conf().map_err(ConnectorError::Resolve)?;
+    let resolver = TokioAsyncResolver::tokio_from_system_conf().map_err(Error::Resolve)?;
 
     let srv_domain = format!("{}.{}.", srv, ascii_domain)
         .into_name()
-        .map_err(ConnectorError::Dns)?;
+        .map_err(Error::Dns)?;
     let srv_records = resolver.srv_lookup(srv_domain.clone()).await.ok();
 
     match srv_records {