From 25755360786dcafc798d68f147471de0bbfb1056 Mon Sep 17 00:00:00 2001
From: "Sean B. Palmer" <sbp@aldebaran.local>
Date: Thu, 12 Jan 2012 14:21:49 +0000
Subject: [PATCH] Added clsn's ping-pong code

---
 modules/startup.py | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/modules/startup.py b/modules/startup.py
index 6fc7fae..e650170 100755
--- a/modules/startup.py
+++ b/modules/startup.py
@@ -7,6 +7,51 @@ Licensed under the Eiffel Forum License 2.
 http://inamidst.com/phenny/
 """
 
+import threading, time
+
+def setup(phenny): 
+   # by clsn
+   phenny.data = {}
+   refresh_delay = 300.0
+
+   if hasattr(phenny.config, 'refresh_delay'):
+      try: refresh_delay = float(phenny.config.refresh_delay)
+      except: pass
+
+   def close():
+      print "Nobody PONGed our PING, restarting"
+      phenny.handle_close()
+      
+   def pingloop():
+      timer = threading.Timer(refresh_delay, close, ())
+      phenny.data['startup.setup.timer'] = timer
+      phenny.data['startup.setup.timer'].start()
+      # print "PING!"
+      phenny.write(('PING', phenny.config.host))
+   phenny.data['startup.setup.pingloop'] = pingloop
+
+   def pong(phenny, input):
+      try:
+         # print "PONG!"
+         phenny.data['startup.setup.timer'].cancel()
+         time.sleep(refresh_delay + 60.0)
+         pingloop()
+      except: pass
+   pong.event = 'PONG'
+   pong.thread = True
+   pong.rule = r'.*'
+   phenny.variables['pong'] = pong
+
+   # Need to wrap handle_connect to start the loop.
+   inner_handle_connect = phenny.handle_connect
+
+   def outer_handle_connect():
+      inner_handle_connect()
+      if phenny.data.get('startup.setup.pingloop'):
+         phenny.data['startup.setup.pingloop']()
+
+   phenny.handle_connect = outer_handle_connect
+
 def startup(phenny, input): 
    if hasattr(phenny.config, 'serverpass'): 
       phenny.write(('PASS', phenny.config.serverpass))