add profiling code to test lru cache, remove js popup

watcher/app.py

@@ -1,7 +1,13 @@
+import asyncio
+import atexit
+import datetime
 import socket
-from time import time
+from functools import lru_cache
+from time import sleep, time
 
+import matplotlib.pyplot as plt
 import socketio
+from apscheduler.schedulers.background import BackgroundScheduler
 from flask import Flask, render_template, request
 
 sio = socketio.Server()
@@ -19,6 +25,9 @@ app.wsgi_app = socketio.WSGIApp(sio, app.wsgi_app)
 
 db = {"current_run": None, "run_start_timer": None, "run_data": {}}
 
+function_times = []
+function_data = []
+
 
 @app.route("/")
 def index():
@@ -39,19 +48,24 @@ def start_run(run_index):
 
 @app.route("/link/start/<run>/<link_index>")
 def link_start(run, link_index):
+    start = time()
     request_data = live_request(run, link_index)
     sio.emit('live_request', request_data)
 
     if db["current_run"] != run:
-        return "Wrong run number, check that you update your run", 404
+        response = "Wrong run number, check that you update your run", 404
     else:
         run_data = db["run_data"][run]["data"]
         if link_index in run_data:
-            return "you already started in this run. Ignoring this request."
+            response = "you already started in this run. Ignoring this request."
         else:
             run_data[link_index] = {"id": link_index, "start": time()}
             sio.emit('link_start', run_data[link_index])
-            return "Success."
+            response = "Success."
+    stop = time()
+    function_data.append(stop - start)
+    function_times.append(len(function_times))
+    return response
 
 
 @app.route("/link/handoff/<run>/<index>")
@@ -78,10 +92,31 @@ def connect(sid, data):
 def live_request(run, index):
     ip = request.remote_addr
     request_data = {}
-    request_data["hostname"] = socket.gethostbyaddr(ip)[0]
+    request_data["hostname"] = lookup_hostname(ip)
     request_data["time"] = time()
     return request_data
 
 
+@lru_cache()
+def lookup_hostname(ip):
+    return socket.gethostbyaddr(ip)[0].split(".")[0]
+
+
+# def plot_graph():
+#     try:
+#         x = function_times
+#         y = function_data
+
+#         plt.plot(x, y)
+#         plt.show()
+#     except:
+#         pass
+
 if __name__ == '__main__':
+    # scheduler = BackgroundScheduler()
+    # scheduler.add_job(func=plot_graph, trigger="interval", seconds=5)
+    # scheduler.start()
     app.run(host="0.0.0.0", debug=True)
+
+    # shut down the scheduler when exiting the app
+    # atexit.register(lambda: scheduler.shutdown())

watcher/requirements.txt

@@ -1,2 +1,4 @@
 flask
 python-socketio
+apscheduler
+matplotlib

watcher/static/index.js

@@ -51,7 +51,6 @@ require(['jquery', 'socket.io'], function(jq, io) {
     });
 
     function addLiveRequest(request_host, request_time) {
-        alert("yes");
         let hostname = request_host;
         let timesting = request_time.getHours() + ":" + request_time.getMinutes();