consolidate debug output

src/client_auth.rs

@@ -36,7 +36,6 @@ impl<S: AsyncWrite> ClientAuth<S> {
             Box::new(Anonymous::new()),
         ];
 
-        println!("stream_features: {}", stream.stream_features);
         let mech_names: Vec<String> =
             match stream.stream_features.get_child("mechanisms", Some(NS_XMPP_SASL)) {
                 None =>
@@ -46,12 +45,12 @@ impl<S: AsyncWrite> ClientAuth<S> {
                     .map(|mech_el| mech_el.content_str())
                     .collect(),
             };
-        println!("Offered mechanisms: {:?}", mech_names);
+        println!("SASL mechanisms offered: {:?}", mech_names);
 
         for mut mech in mechs {
             let name = mech.name().to_owned();
             if mech_names.iter().any(|name1| *name1 == name) {
-                println!("Selected mechanism: {:?}", name);
+                println!("SASL mechanism selected: {:?}", name);
                 let initial = try!(mech.initial());
                 let mut this = ClientAuth {
                     state: ClientAuthState::Invalid,
@@ -79,7 +78,6 @@ impl<S: AsyncWrite> ClientAuth<S> {
         );
         nonza.text(content.to_base64(base64::URL_SAFE));
 
-        println!("send {}", nonza);
         let send = stream.send(Packet::Stanza(nonza));
 
         self.state = ClientAuthState::WaitSend(send);
@@ -97,7 +95,6 @@ impl<S: AsyncRead + AsyncWrite> Future for ClientAuth<S> {
             ClientAuthState::WaitSend(mut send) =>
                 match send.poll() {
                     Ok(Async::Ready(stream)) => {
-                        println!("send done");
                         self.state = ClientAuthState::WaitRecv(stream);
                         self.poll()
                     },

src/client_bind.rs

@@ -31,10 +31,7 @@ impl<S: AsyncWrite> ClientBind<S> {
                 // return the (probably // usable) stream immediately
                 ClientBind::Unsupported(stream),
             Some(_) => {
-                println!("Bind is supported!");
-
                 let iq = make_bind_request(stream.jid.resource.as_ref());
-                println!("Send {}", iq);
                 let send = stream.send(Packet::Stanza(iq));
                 ClientBind::WaitSend(send)
             },

src/starttls.rs

@@ -37,7 +37,6 @@ impl<S: AsyncRead + AsyncWrite> StartTlsClient<S> {
             "starttls".to_owned(), Some(NS_XMPP_TLS.to_owned()),
             vec![]
         );
-        println!("send {}", nonza);
         let packet = Packet::Stanza(nonza);
         let send = xmpp_stream.send(packet);
 
@@ -60,7 +59,6 @@ impl<S: AsyncRead + AsyncWrite> Future for StartTlsClient<S> {
             StartTlsClientState::SendStartTls(mut send) =>
                 match send.poll() {
                     Ok(Async::Ready(xmpp_stream)) => {
-                        println!("starttls sent");
                         let new_state = StartTlsClientState::AwaitProceed(xmpp_stream);
                         retry = true;
                         (new_state, Ok(Async::NotReady))
@@ -75,7 +73,6 @@ impl<S: AsyncRead + AsyncWrite> Future for StartTlsClient<S> {
                     Ok(Async::Ready(Some(Packet::Stanza(ref stanza))))
                         if stanza.name == "proceed" =>
                     {
-                        println!("* proceed *");
                         let stream = xmpp_stream.stream.into_inner();
                         let connect = TlsConnector::builder().unwrap()
                             .build().unwrap()
@@ -96,7 +93,7 @@ impl<S: AsyncRead + AsyncWrite> Future for StartTlsClient<S> {
             StartTlsClientState::StartingTls(mut connect) =>
                 match connect.poll() {
                     Ok(Async::Ready(tls_stream)) => {
-                        println!("Got a TLS stream!");
+                        println!("TLS stream established");
                         let start = XMPPStream::from_stream(tls_stream, self.jid.clone());
                         let new_state = StartTlsClientState::Start(start);
                         retry = true;

src/xmpp_codec.rs

@@ -20,7 +20,6 @@ impl XMPPRoot {
     fn new(root: xml::StartTag) -> Self {
         let mut builder = xml::ElementBuilder::new();
         let mut attributes = HashMap::new();
-        println!("root attributes: {:?}", root.attributes);
         for (name_ns, value) in root.attributes {
             match name_ns {
                 (ref name, None) if name == "xmlns" =>
@@ -73,10 +72,13 @@ impl Decoder for XMPPCodec {
     type Error = Error;
 
     fn decode(&mut self, buf: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
-        println!("XMPPCodec.decode {:?}", buf.len());
         match from_utf8(buf.take().as_ref()) {
-            Ok(s) =>
-                self.parser.feed_str(s),
+            Ok(s) => {
+                if s.len() > 0 {
+                    println!("<< {}", s);
+                    self.parser.feed_str(s);
+                }
+            },
             Err(e) =>
                 return Err(Error::new(ErrorKind::InvalidInput, e)),
         }
@@ -110,7 +112,7 @@ impl Decoder for XMPPCodec {
                     match root.handle_event(event) {
                         None => (),
                         Some(Ok(stanza)) => {
-                            println!("stanza: {}", stanza);
+                            // Emit the stanza
                             result = Some(Packet::Stanza(stanza));
                             break
                         },
@@ -151,13 +153,18 @@ impl Encoder for XMPPCodec {
                 }
                 write!(buf, ">\n").unwrap();
 
-                println!("Encode start to {}", buf);
+                print!(">> {}", buf);
                 write!(dst, "{}", buf)
             },
-            Packet::Stanza(stanza) =>
-                write!(dst, "{}", stanza),
-            Packet::Text(text) =>
-                write!(dst, "{}", xml::escape(&text)),
+            Packet::Stanza(stanza) => {
+                println!(">> {}", stanza);
+                write!(dst, "{}", stanza)
+            },
+            Packet::Text(text) => {
+                let escaped = xml::escape(&text);
+                println!(">> {}", escaped);
+                write!(dst, "{}", escaped)
+            },
             // TODO: Implement all
             _ => Ok(())
         }