Added logging support via the log crate.

Cargo.toml

@@ -27,6 +27,7 @@ chrono = "0.4"
 encoding = "0.2"
 error-chain = "0.10"
 futures = "0.1"
+log = "0.3"
 native-tls = "0.1"
 serde = "1.0"
 serde_derive = "1.0"

src/client/conn.rs

@@ -109,6 +109,7 @@ impl Connection {
             Ok(ConnectionFuture::Mock(config))
         } else if config.use_ssl() {
             let domain = format!("{}", config.server());
+            info!("Connecting via SSL to {}.", domain);
             let mut builder = TlsConnector::builder()?;
             if let Some(cert_path) = config.cert_path() {
                 let mut file = File::open(cert_path)?;
@@ -116,7 +117,7 @@ impl Connection {
                 file.read_to_end(&mut cert_data)?;
                 let cert = Certificate::from_der(&cert_data)?;
                 builder.add_root_certificate(cert)?;
-                println!("Added {} to trusted certificates.", cert_path);
+                info!("Added {} to trusted certificates.", cert_path);
             }
             let connector = builder.build()?;
             let stream = Box::new(TcpStream::connect(&config.socket_addr()?, handle)
@@ -132,6 +133,7 @@ impl Connection {
             ));
             Ok(ConnectionFuture::Secured(config, stream))
         } else {
+            info!("Connecting to {}.", config.server());
             Ok(ConnectionFuture::Unsecured(
                 config,
                 TcpStream::connect(&config.socket_addr()?, handle),

src/client/server/mod.rs

@@ -333,6 +333,7 @@ impl ServerState {
 
     /// Handles sent messages internally for basic client functionality.
     fn handle_sent_message(&self, msg: &Message) -> error::Result<()> {
+        trace!("[SENT] {}", msg.to_string());
         match msg.command {
             PART(ref chan, _) => {
                 let _ = self.chanlists.lock().unwrap().remove(chan);
@@ -344,6 +345,7 @@ impl ServerState {
 
     /// Handles received messages internally for basic client functionality.
     fn handle_message(&self, msg: &Message) -> error::Result<()> {
+        trace!("[RECV] {}", msg.to_string());
         match msg.command {
             JOIN(ref chan, _, _) => self.handle_join(msg.source_nickname().unwrap_or(""), chan),
             PART(ref chan, _) => self.handle_part(msg.source_nickname().unwrap_or(""), chan),

src/lib.rs

@@ -11,6 +11,8 @@ extern crate error_chain;
 extern crate encoding;
 #[macro_use]
 extern crate futures;
+#[macro_use]
+extern crate log;
 extern crate native_tls;
 extern crate serde;
 #[macro_use]