add tornado for static file serving

main.py

@@ -2,6 +2,7 @@
 
 # WS server example that synchronizes state across clients
 
+import os
 import asyncio
 import json
 import logging
@@ -10,6 +11,8 @@ import processor
 import random
 import time
 import state
+import tornado.ioloop
+import tornado.web
 
 logging.basicConfig()
 
@@ -69,7 +72,7 @@ async def counter(websocket, path):
     finally:
         await unregister(websocket)
 
-async def serve():
+async def serve_ws():
     state.register_callback(notify_state)
     await state.inc_initialized()
     start_server = websockets.serve(counter, "localhost", 6789)
@@ -80,11 +83,23 @@ async def tick():
          logging.warning("tick")
          await asyncio.sleep(1)
 
+async def serve_http():
+    settings={
+      "static_path": os.path.join(os.path.dirname(__file__), "frontend"),
+      "static_url_prefix": "/",
+      "static_handler_args": dict(default_filename="index.html")
+    }
+    app = tornado.web.Application(
+        [ (r"/(.*)", tornado.web.StaticFileHandler, dict(path=settings['static_path'], default_filename="index.html")) ],
+        **settings)
+    app.listen(8888)
+
 async def main():
     random.seed(time.time())
     await asyncio.gather(
         tick(),
-        serve(),
+        serve_ws(),
+        serve_http(),
         processor.main(["192.168.178.123", "192.168.178.124"]),
     )