From 42fadb0c8e87d832a4fd63660bfe74474fcc41f3 Mon Sep 17 00:00:00 2001
From: Bernard Blackham <dagobah@ucc.gu.uwa.edu.au>
Date: Mon, 2 Aug 2004 09:36:27 +0000
Subject: [PATCH] Added random idler choice.

---
 sql-edition/servers/Idler.py      | 11 ++++++++--
 sql-edition/servers/VendServer.py | 36 +++++++++++++++++++++++++------
 2 files changed, 39 insertions(+), 8 deletions(-)

diff --git a/sql-edition/servers/Idler.py b/sql-edition/servers/Idler.py
index ecf3e36..4efb56f 100755
--- a/sql-edition/servers/Idler.py
+++ b/sql-edition/servers/Idler.py
@@ -9,6 +9,9 @@ class Idler:
 	def next(self):
 		pass
 
+	def reset(self):
+		pass
+
 class TrainIdler(Idler):
 	def __init__(self, v):
 		self.idle_state = 0
@@ -68,6 +71,9 @@ class TrainIdler(Idler):
 		self.idle_state += 1
 		self.idle_state %= 18*36*54
 
+	def reset(self):
+		self.idle_state = 0
+
 class GrayIdler(Idler):
 	def __init__(self, v, one=None, zero=None):
 		self.bits = 8
@@ -129,5 +135,6 @@ class GrayIdler(Idler):
 
 	    return bin
 
-
-
+	def reset(self):
+		self.i = 0
+		self.grayCode = 0
diff --git a/sql-edition/servers/VendServer.py b/sql-edition/servers/VendServer.py
index f7bd1cd..bed5366 100755
--- a/sql-edition/servers/VendServer.py
+++ b/sql-edition/servers/VendServer.py
@@ -209,6 +209,28 @@ class MessageKeeper:
 	def done(self):
 		return len(self.scrolling_message) == 0
 
+idlers = []
+idler = None
+def setup_idlers(v):
+	global idlers, idler
+	idlers = [
+		TrainIdler(v),
+		GrayIdler(v),
+		GrayIdler(v,one="*",zero="-"),
+		GrayIdler(v,one="/",zero="\\"),
+		GrayIdler(v,one="X",zero="O"),
+		]
+	idler = choose_idler()
+
+def choose_idler():
+	global idler
+	idler = idlers[int(random()*len(idlers))]
+	idler.reset()
+
+def idle_step():
+	global idler
+	idler.next()
+
 def run_forever(rfh, wfh, options, cf):
 	v = VendingMachine(rfh, wfh)
 	logging.debug('PING is ' + str(v.ping()))
@@ -221,9 +243,7 @@ def run_forever(rfh, wfh, options, cf):
 	mk = MessageKeeper(v)
 	mk.set_message(GREETING)
 	time_to_autologout = None
-	#idler = TrainIdler(v)
-	#idler = GrayIdler(v)
-	idler = GrayIdler(v,one="*",zero="-")
+	setup_idlers(v)
 	time_to_idle = None
 	last_timeout_refresh = None
 
@@ -254,15 +274,17 @@ def run_forever(rfh, wfh, options, cf):
 			# start autologout
 			time_to_autologout = time() + 15
 
-		if time_to_idle == None and cur_user == '': time_to_idle = time() + 60
+		if time_to_idle == None and cur_user == '':
+			time_to_idle = time() + 2
+			choose_idler()
 		if time_to_idle != None and cur_user != '': time_to_idle = None
-		if time_to_idle is not None and time() > time_to_idle: idler.next()
+		if time_to_idle is not None and time() > time_to_idle: idle_step()
 
 		mk.update_display()
 
 		e = v.next_event(0)
 		if e == None:
-			e = v.next_event(0.1)
+			e = v.next_event(0.05)
 			if e == None:
 				continue
 		time_to_idle = None
@@ -556,6 +578,8 @@ if __name__ == '__main__':
 			clean_up_nicely(options, config_opts)
 			logging.warning("Vend Server stopped")
 			break
+		except SystemExit:
+			break
 		except:
 			(exc_type, exc_value, exc_traceback) = sys.exc_info()
 			tb = format_tb(exc_traceback, 20)
-- 
2.20.1