Implement function to get stream features

tokio-xmpp/src/client/async_client.rs

@@ -8,6 +8,7 @@ use xmpp_parsers::{ns, Element, Jid};
 use super::connect::client_login;
 use crate::connect::{AsyncReadAndWrite, ServerConnector};
 use crate::event::Event;
+use crate::stream_features::StreamFeatures;
 use crate::xmpp_codec::Packet;
 use crate::xmpp_stream::{add_stanza_id, XMPPStream};
 use crate::{Error, ProtocolError};
@@ -81,6 +82,14 @@ impl<C: ServerConnector> Client<C> {
             .await
     }
 
+    /// Get the stream features (`<stream:features/>`) of the underlying stream
+    pub fn get_stream_features(&self) -> Option<&StreamFeatures> {
+        match self.state {
+            ClientState::Connected(ref stream) => Some(&stream.stream_features),
+            _ => None,
+        }
+    }
+
     /// End connection by sending `</stream:stream>`
     ///
     /// You may expect the server to respond with the same. This

tokio-xmpp/src/client/simple_client.rs

@@ -5,6 +5,7 @@ use tokio_stream::StreamExt;
 use xmpp_parsers::{ns, Element, Jid};
 
 use crate::connect::ServerConnector;
+use crate::stream_features::StreamFeatures;
 use crate::xmpp_codec::Packet;
 use crate::xmpp_stream::{add_stanza_id, XMPPStream};
 use crate::Error;
@@ -53,6 +54,11 @@ impl<C: ServerConnector> Client<C> {
         .await
     }
 
+    /// Get the stream features (`<stream:features/>`) of the underlying stream
+    pub fn get_stream_features(&self) -> &StreamFeatures {
+        &self.stream.stream_features
+    }
+
     /// End connection by sending `</stream:stream>`
     ///
     /// You may expect the server to respond with the same. This

tokio-xmpp/src/stream_features.rs

@@ -8,6 +8,7 @@ use xmpp_parsers::{ns, Element};
 ///
 /// TODO: should this rather go into xmpp-parsers, kept in a decoded
 /// struct?
+#[derive(Debug)]
 pub struct StreamFeatures(pub Element);
 
 impl StreamFeatures {