Reduce visibility of some `transport::connection` items. (#20)

Signed-off-by: Brian Smith <brian@briansmith.org>

src/telemetry/sensor/transport.rs

@@ -242,7 +242,7 @@ where
             &self.ctx.proxy,
             &self.ctx.remote,
             self.ctx.metadata.clone(),
-            io.tls_status,
+            io.tls_status(),
         );
         let ctx = Arc::new(ctx.into());
         let trans = Transport::open(io, Instant::now(), &self.handle, ctx);

src/transport/connection.rs

@@ -23,8 +23,7 @@ pub struct BoundPort {
 }
 
 /// Initiates a client connection to the given address.
-pub fn connect(addr: &SocketAddr,
-               tls: tls::ConditionalConnectionConfig<tls::ClientConfig>)
+pub(super) fn connect(addr: &SocketAddr, tls: tls::ConditionalConnectionConfig<tls::ClientConfig>)
     -> Connecting
 {
     let state = ConnectingState::Plaintext {
@@ -81,7 +80,7 @@ pub struct Connection {
     peek_buf: BytesMut,
 
     /// Whether or not the connection is secured with TLS.
-    pub tls_status: TlsStatus,
+    tls_status: TlsStatus,
 }
 
 /// A trait describing that a type can peek bytes.