Gems, workers, networking, oh my!

lib/worker.rb

@@ -1,7 +1,13 @@
 module W3DHubLauncher
   class Worker
+    Response = Data.define(:status, :request_id, :data)
+
     def initialize
       @threads = []
+      @requests = []
+
+      # next available request_id to assign incoming requests
+      @request_id = 0
 
       # listen for requests from frontend
       listener = Thread.new { listen }
@@ -10,15 +16,28 @@ module W3DHubLauncher
       # connect to and monitor Backend web service
       @threads << Thread.new { backend_websocket }
 
-      Ractor.main.send({ message: "3 o'clock 'nd all's well!" })
+      @w3dhub_api = W3DHubLauncher::W3DHubApi.new
 
       listener.join
     end
 
     def listen
       loop do
-        request = Ractor.receive
-        pp request
+        query = Ractor.receive
+        pp query
+
+        case query.type
+        when Request::FETCH_URL
+        when Request::DOWNLOAD_URL
+        when Request::W3DHUB_API_CALL
+          Async do
+            result = @w3dhub_api.send(query.data[:call], *(query.data[:arguments] || []))
+            response = Response.new(result.okay? ? Request::STATUS_COMPLETE : Request::STATUS_ERROR, query.request_id, result)
+            Ractor.main.send(response)
+          end
+        else
+          raise "UNKNOWN REQUEST"
+        end
       end
     end