duh

[uccdoor.git] / server.py

diff --git a/server.py b/server.py
index 25e8ff8..89f28bc 100755 (executable)
--- a/server.py
+++ b/server.py
@@ -7,39 +7,50 @@
 
 # statuses: 1 means open circuit, 0 means closed circuit, -1 means error
 
+import syslog
 import dbus, dbus.service
 import gobject
 from LATClient import LATClient
 from select import select
+from threading import Timer
 
 def check_LAT_service(servicename, retries=3):
     latclient = LATClient(service=servicename.upper())
     rfh, wfh = latclient.get_fh()
     results = {'error': retries, 'closed': retries, 'open': retries}
     test_string = "got wombles?"
+    syslog.syslog(142, "start check_LAT_service:" + servicename)
     
     # Only return after n(retries) consistent results, although not necessarily
     # in order. This means we poll at least (retries) and up to (retries ** 2) times.
     # This is mtearle's original code. No idea if it's the Right Thing.
     while True:
+        syslog.syslog(142, "running c_L_s loop:" + servicename)
         try:
             wfh.write(test_string)
             wfh.flush()
         except:
             results['error'] -= 1
+            syslog.syslog(142, "c_L_s write error:" + servicename)
             if results['error'] == 0: return -1
             continue
+        syslog.syslog(142, "c_Ls written data to " + servicename)
         rr, wr, er = select([rfh], [], [], 3.0)
         if rfh not in rr:
             results['open'] -= 1
             if results['open'] == 0: return 1
+            syslog.syslog(142, "c_L_s open: " + servicename)
             continue
+        syslog.syslog(142, "c_L_s select() succeeded: " + servicename)
         recv = rfh.read(len(test_string))
+        syslog.syslog(142, "c_L_s read() succeeded: " + servicename)
         if recv <> test_string:
+            syslog.syslog(142, "c_L_s not the data we sent " + servicename)
             results['error'] -= 1
             if results['error'] == 0: return -1
             continue
         results['closed'] -= 1
+        syslog.syslog(142, "c_L_s closed " + servicename)
         if results['closed'] == 0: return 0
 
 class Door(dbus.service.Object):
@@ -56,8 +67,12 @@ class Door(dbus.service.Object):
         object_path = '/au/asn/ucc/doors/%s' % doorname
         dbus.service.Object.__init__(self, bus, object_path)
         
-        # get initial state
-        self.poll()
+        # get initial state in a new thread
+        self.timeout = Timer(0, self.poll)
+        # daemon threads will be killed when the mainloop exits
+        # the timeout threads will inherit this value
+        self.timeout.setDaemon(True)
+        self.timeout.start()
     
     def poll(self):
         try:
@@ -65,13 +80,16 @@ class Door(dbus.service.Object):
         except:
             newstatus = -1
         
+        syslog.syslog(142, "status, newstatus for %s is %i, %i" % (self.service, status, newstatus))
         if newstatus != self.status:
+            syslog.syslog(142, "status changed detected for  %s" % self.service)
             self.status = newstatus
             # emit signal
             self.status_changed(newstatus)
         
         # set up timeout again
-        gobject.timeout_add_seconds(self.interval, self.poll)
+        self.timeout = Timer(self.interval, self.poll)
+        self.timeout.start()
     
     @dbus.service.signal('au.asn.ucc.DoorInterface', signature='n')
     def status_changed(self, newstatus):
@@ -83,6 +101,7 @@ class Door(dbus.service.Object):
         return self.status
 
 if __name__ == '__main__':
+    gobject.threads_init()
     doors = ('uccdoor', 'unisfadoor', 'chdoor', 'mrdoor', 'uccpir')
     
     from dbus.mainloop.glib import DBusGMainLoop