00001 #!/usr/local/bin/python
00002 #
00003 # Copyright 2002
00004 # by
00005 # The Board of Trustees of the
00006 # Leland Stanford Junior University.
00007 # All rights reserved.
00008 #
00009
00010 __facility__ = "Online"
00011 __abstract__ = "GLAST LAT Finite State Machine class for Online Run Control"
00012 __author__ = "R. Claus <Claus@SLAC.Stanford.edu> SLAC - GLAST LAT I&T/Online"
00013 __date__ = "11/13/2002"
00014 __version__ = "$Revision: 2.2 $"
00015 __credits__ = "SLAC"
00016
00017 import LATTE.copyright_SLAC
00018
00019 import logging as log
00020 from FSM import FSM
00021
00022
00023 class RunControlFSM(FSM):
00024 def __init__(self, app):
00025 FSM.__init__(self, 'RESET', None)
00026 self.set_default_transition( self.error, None )
00027 self.add_transition ('SETUP', 'RESET', self.setup, 'STOPPED')
00028 self.add_transition ('TEARDOWN', 'STOPPED', self.teardown,'RESET' )
00029 self.add_transition ('START_RUN', 'STOPPED', self.startRun,'RUNNING')
00030 self.add_transition ('STOP_RUN', 'RUNNING', self.stopRun, 'STOPPED')
00031 self.add_transition ('PAUSE', 'RUNNING', self.pause, 'PAUSED' )
00032 self.add_transition ('RESUME', 'PAUSED', self.resume, 'RUNNING')
00033 self.add_transition ('STOP', 'PAUSED', self.stop, 'STOPPED')
00034 self.__app = app
00035
00036
00037 def error(self):
00038 log.error(self.__class__.__name__ + "Undefined transition: (%s, %s)" % \
00039 (str(self.input_symbol), str(self.current_state)))
00040
00041 def setup(self):
00042 return self.__app.rcSetup()
00043
00044 def teardown(self):
00045 return self.__app.rcTeardown()
00046
00047 def startRun(self):
00048 return self.__app.rcStartRun()
00049
00050 def stopRun(self):
00051 return self.__app.rcStopRun()
00052
00053 def pause(self):
00054 return self.__app.rcPause()
00055
00056 def resume(self):
00057 return self.__app.rcResume()
00058
00059 def stop(self):
00060 return self.__app.rcStop()
