add time and content info feature, small speed impr

latency.py

 #!/usr/bin/env python3
 
 import time
+import datetime
 import argparse
 import requests
 
@@ -8,6 +9,7 @@ def current_microsec():
     return time.time_ns()/1000
 
 def latency_measurement(hostname, filename):
+    time_of_measure = datetime.datetime.now()
     latency = 0
     current_time = current_microsec()
     # print('requesting')
@@ -16,11 +18,11 @@ def latency_measurement(hostname, filename):
         if request.status_code == 200:
             latency = current_microsec() - current_time
         # print(str(request.status_code) + 'happiness')
-    except request.ConnectionError:
+    except requests.ConnectionError:
         latency = -1
-    with open(str(filename), 'a') as result_file:
-        result_file.write(str(latency) + '\n')
-    return latency
+    content = request.text
+    title = content[45:50]
+    return time_of_measure, latency, title
 
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(description="Latency Tool")
@@ -29,16 +31,14 @@ if __name__ == "__main__":
     parser.add_argument('--number', type=int)
     parser.add_argument('--delay', type=int)
     args = parser.parse_args()
-    latency_list = []
-    print('Expected runtime: ' + str((args.delay / 1000) * number) + ' sec')
+    hostname = args.host
+    filename = args.file
+    
     print('Measuring')
     for i in range(0,args.number):
-        latency_list.append(latency_measurement(args.host, args.file))
+        time_of, latency, title = latency_measurement(hostname, filename)
+        with open(str(filename), 'a') as result_file:
+            result_file.write(str(time_of) + '\t' + str(latency) + '\t' + str(title) + '\n')
         time.sleep(args.delay / 1000)
 
-    average = 0
-    number = 0
-    for i in latency_list:
-        average = average + i
-        number = number + 1
-    print('Done! Average: ' + str((average / number) / 1000) + ' ms')
+    print('Done!')