Add INFO logging for channel creation/garbage-collection

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## v0.3.1-dev
 - forget a channel's initialization segment when no transmitter is active. This improves behavior when a channel is occasionally used for streams with different codecs.
+- Add INFO logging for channel creation/garbage-collection
 
 ## v0.3.0
 - update internals to v0.2 of `warp` and `tokio`; no remaining code relies on `futures` 0.1

src/channel.rs

@@ -25,6 +25,7 @@ pub type Handle = Arc<Mutex<Channel>>;
 
 impl Channel {
     pub fn new(name: String) -> Handle {
+        info!("Opening Channel {}", name);
         Arc::new(Mutex::new(Channel {
             name,
             header_chunk: None,
@@ -33,6 +34,12 @@ impl Channel {
     }
 }
 
+impl Drop for Channel {
+    fn drop(&mut self) {
+        info!("Closing Channel {}", self.name);
+    }
+}
+
 pub struct Transmitter {
     channel: Handle,
 }

src/lib.rs

@@ -1,3 +1,4 @@
+#[macro_use] extern crate log;
 
 pub mod ebml;
 pub mod error;