class MissionManager(object):
"""
Coordinating class for integration of mission execution with platform agent.
"""
def __init__(self, pa):
"""
@param pa The associated platform agent object to access the
elements handled by this helper.
"""
self._agent = pa
self._platform_id = pa._platform_id
self._agent.aparam_mission = []
self._agent.aparam_set_mission = self.aparam_set_mission
# TODO confirm appropriate mechanism to indicate mission to the agent
def aparam_set_mission(self, yaml_filename):
"""
Specifies mission to be executed.
@param yaml_filename Mission definition
"""
log.debug('[mm] aparam_set_mission: yaml_filename=%s', yaml_filename)
mission_loader = MissionLoader()
mission_loader.load_mission_file(yaml_filename)
self._agent.aparam_mission = mission_loader.mission_entries
log.debug('[mm] aparam_set_mission: _ia_clients=\n%s',
self._agent._pp.pformat(self._agent._ia_clients))
# get instrument IDs and clients for the valid running instruments:
instruments = {}
for (instrument_id, obj) in self._agent._ia_clients.iteritems():
if isinstance(obj, dict):
# it's valid instrument.
if instrument_id != obj.resource_id:
log.error('[mm] aparam_set_mission: instrument_id=%s, '
'resource_id=%s', instrument_id, obj.resource_id)
instruments[obj.resource_id] = obj.ia_client
self.mission_scheduler = MissionScheduler(self._agent,
instruments,
self._agent.aparam_mission)
log.debug('[mm] aparam_set_mission: MissionScheduler created. entries=%s',
self._agent.aparam_mission)
# TODO appropriate way to handle potential errors/exceptions in
# methods below. Very ad hoc for the moment.
def run_mission(self):
try:
self.mission_scheduler.run_mission()
return None
except Exception as ex:
log.exception('[mm] run_mission')
return ex
def abort_mission(self):
try:
self.mission_scheduler.abort_mission()
return None
except Exception as ex:
log.exception('[mm] abort_mission')
return ex
def kill_mission(self):
try:
self.mission_scheduler.kill_mission()
return None
except Exception as ex:
log.exception('[mm] kill_mission')
return ex
