X-Git-Url: https://git.ucc.asn.au/?p=uccvend-vendserver.git;a=blobdiff_plain;f=sql-edition%2Fservers%2FVendingMachine.py;h=7a06111732531f9b6bc1037d97531878856d54a6;hp=26dc0f2f2ba65e1422d57111dd66a861538b3309;hb=5769169657fae81bc68c88c9fa19313acbb9e83f;hpb=ed18ff345c52cd0d868b8e26ee23cfcd7711abfd

diff --git a/sql-edition/servers/VendingMachine.py b/sql-edition/servers/VendingMachine.py
index 26dc0f2..7a06111 100644
--- a/sql-edition/servers/VendingMachine.py
+++ b/sql-edition/servers/VendingMachine.py
@@ -3,6 +3,7 @@ import re
 from CRC import do_crc
 from select import select
 import socket, logging
+from time import time, sleep
 
 asynchronous_responses = [	'400', '401', # door open/closed
 				'610',        # switches changed
@@ -12,6 +13,7 @@ asynchronous_responses = [	'400', '401', # door open/closed
 DOOR = 1
 SWITCH = 2
 KEY = 3
+TICK = 4
 
 class VendingException(Exception): pass
 
@@ -160,7 +162,7 @@ class VendingMachine:
 				timeout = 0
 			else:
 				break
-		if len(self.events) == 0: return None
+		if len(self.events) == 0: return (TICK, time())
 		ret = self.events[0]
 		del self.events[0]
 		return ret