scheduler built for external access

.dequeue has been made available, along with an infinite delay-time so that a
secondary loop can manage multiple schedules at a time. This is paired with
.size to make the external loop more efficient (hopefully, baudrate is used
optimally)

1 files changed, 7 insertions, 4 deletions

diff --git a/tools/schedule.js b/tools/schedule.js
index 42ec127..c9c39eb 100644
--- a/tools/schedule.js
+++ b/tools/schedule.js
@@ -25,6 +25,7 @@ exports.Queue = function(delayms, maxExport, call){
   let open = true; // Is dequeue() allowed to be called (i.e., has the timeout expired?)
   let disab = true; // Is the queue disabled?
   let pauseCall = null; // Either null or a function which will replace the next dequeue() call.
+  this.size = 0;
 
   this.enqueue = function(job){
     if (! job[0]) return;
@@ -36,12 +37,13 @@ exports.Queue = function(delayms, maxExport, call){
     }
     jobs[prio].splice(0, Math.abs(bs(jobs[prio], job, (el, ne) => el.maxr() - ne.maxr())), job);
     // These were sorted like this so that getNumOrAll could use [0] or [.length-1] or .pop instead of having to re-sort lists repetitively.
-    if (open) dequeue();
+    this.size += job.data.length;
+    if (open) this.dequeue();
   }
   
   this.enable = function(){
     disab = false;
-    if (open) dequeue();
+    if (open) this.dequeue();
   }
 
   this.disable = function(){
@@ -52,7 +54,7 @@ exports.Queue = function(delayms, maxExport, call){
     pauseCall = call;
   }
  
-  function dequeue(){
+  this.dequeue = function(){
     // Wraps getNumOrAll, managing open/disab, and concatenating possibly multiple layers
     if (disab){
       open = true;
@@ -72,8 +74,9 @@ exports.Queue = function(delayms, maxExport, call){
     while (prios.length > 0 && data.length < maxExport){
       data.push(...getNumOrAll(prios[prios.length-1], maxExport-data.length));
     }
+    this.size -= data.length;
     call(data);
-    setTimeout(dequeue, delayms);
+    if (delayms) setTimeout(this.dequeue, delayms);
   }
 
   function getNumOrAll(prio, num){