WebSockets: add some TO DO comments

libs/surfaces/websockets/feedback.cc

@@ -27,6 +27,9 @@
 #include "state.h"
 #include "strips.h"
 
+// TO DO: make this configurable
+#define POLL_INTERVAL_MS 100
+
 using namespace ARDOUR;
 
 struct TransportObserver {
@@ -100,7 +103,7 @@ ArdourFeedback::start ()
 	observe_strips ();
 
 	// some things need polling like the strip meters
-	Glib::RefPtr<Glib::TimeoutSource> periodic_timeout = Glib::TimeoutSource::create (100); // ms
+	Glib::RefPtr<Glib::TimeoutSource> periodic_timeout = Glib::TimeoutSource::create (POLL_INTERVAL_MS);
 	_periodic_connection                               = periodic_timeout->connect (sigc::mem_fun (*this,
                                                                          &ArdourFeedback::poll));
 	periodic_timeout->attach (main_loop ()->get_context ());

libs/surfaces/websockets/server.cc

@@ -72,6 +72,9 @@ WebsocketsServer::WebsocketsServer (ArdourSurface::ArdourWebsockets& surface)
 	_lws_mnt_root.origin           = _resources.index_dir ().c_str ();
 	_lws_mnt_root.origin_protocol  = LWSMPRO_FILE;
 	_lws_mnt_root.def              = "index.html";
+	/* do not send caching headers if NDEBUG is set, this is useful while
+	 * developing web surfaces. Ideally this would exist as a configurable
+	 * option in the TO DO surface settings UI */
 #ifdef NDEBUG
 	_lws_mnt_root.cache_max_age    = 3600;
 	_lws_mnt_root.cache_reusable   = 1;

libs/surfaces/websockets/server.h

@@ -40,6 +40,7 @@
 #include "state.h"
 #include "resources.h"
 
+// TO DO: make this configurable
 #define WEBSOCKET_LISTEN_PORT 3818
 
 struct LwsPollFdGlibSource {