def connect(self, recursion=None):
"""
Creates an CIOMSClient instance, does a ping to verify connection,
and starts event dispatch.
"""
# create CIOMSClient:
oms_uri = self._driver_config['oms_uri']
log.debug("%r: creating CIOMSClient instance with oms_uri=%r",
self._platform_id, oms_uri)
self._rsn_oms = CIOMSClientFactory.create_instance(oms_uri)
log.debug("%r: CIOMSClient instance created: %s",
self._platform_id, self._rsn_oms)
# ping to verify connection:
self.ping()
# start event dispatch:
self._start_event_dispatch()
# TODO(OOIION-1495) review the following. Commented out for the moment.
# 2014-06-05: The pending review in terms of ports is still relevant in
# what follows from the original comment here, but note that the
# Connect_instrument and disConnect_instrument operations have been
# removed from the CI-OMS interface.
# Note, per the CI-OMS spec ports need to be turned OFF to then proceed
# with connecting instruments. So we need to determine whether we
# want to turn all ports ON in this "connect driver" operation,
# and then add the logic to turn a port OFF before connecting
# instruments, and then ON again; or, just do the OFF/ON logic in the
# Connect_instrument and disConnect_instrument operations,
# but not here.
"""
def connect(self, recursion=None):
"""
Creates an CIOMSClient instance, does a ping to verify connection,
and starts event dispatch.
"""
# create CIOMSClient:
oms_uri = self._driver_config['oms_uri']
log.debug("%r: creating CIOMSClient instance with oms_uri=%r",
self._platform_id, oms_uri)
self._rsn_oms = CIOMSClientFactory.create_instance(oms_uri)
log.debug("%r: CIOMSClient instance created: %s",
self._platform_id, self._rsn_oms)
# ping to verify connection:
self.ping()
# start event dispatch:
self._start_event_dispatch()
# TODO(OOIION-1495) review the following. Commented out for the moment.
# 2014-06-05: The pending review in terms of ports is still relevant in
# what follows from the original comment here, but note that the
# connect_instrument and disconnect_instrument operations have been
# removed from the CI-OMS interface.
# Note, per the CI-OMS spec ports need to be turned OFF to then proceed
# with connecting instruments. So we need to determine whether we
# want to turn all ports ON in this "connect driver" operation,
# and then add the logic to turn a port OFF before connecting
# instruments, and then ON again; or, just do the OFF/ON logic in the
# connect_instrument and disconnect_instrument operations,
# but not here.
"""
def _configure(self, config):
"""
Configures this driver. In this base class it basically
calls validate_driver_configuration and then assigns the given
config to self._driver_config.
@param driver_config Driver configuration.
"""
#
# NOTE the "pnode" parameter may be not very "standard" but it is the
# current convenient mechanism that captures the overall definition
# of the corresponding platform (most of which coming from configuration)
#
# Use the network definition provided by RSN OMS directly.
rsn_oms = CIOMSClientFactory.create_instance()
network_definition = RsnOmsUtil.build_network_definition(rsn_oms)
CIOMSClientFactory.destroy_instance(rsn_oms)
platform_id = 'LJ01D'
self._pnode = network_definition.pnodes[platform_id]
#self._pnode = config.get('pnode')
self._platform_id = self._pnode.platform_id
if self._pnode.parent:
self._parent_platform_id = self._pnode.parent.platform_id
else:
self._parent_platform_id = None
self._platform_attributes = \
dict((a.attr_id, a.defn) for a in self._pnode.attrs.itervalues())
log.debug("%r: PlatformDriver constructor called: pnode:\n%s\n"
"_platform_attributes=%s",
self._platform_id,
NetworkUtil._dump_pnode(self._pnode, include_subplatforms=False),
self._platform_attributes)
self.validate_driver_configuration(config)
self._driver_config = config
def disconnect(self, recursion=None):
"""
Stops event dispatch and destroys the CIOMSClient instance.
"""
self._stop_event_dispatch()
# TODO(OOIION-1495) review the following. Only change is the use
# of self._pnode.ports instead of self._active_ports,
# while we address the "active ports" concept mentioned above.
# BTW, is it OK to turn off ports in this "disconnect driver" operation?
# power off all ports with connected devices
if recursion:
for port in self._pnode.ports:
log.debug('disconnect power port: %s', port)
self.turn_off_port(port)
CIOMSClientFactory.destroy_instance(self._rsn_oms)
self._rsn_oms = None
log.debug("%r: CIOMSClient instance destroyed", self._platform_id)
def disconnect(self, recursion=None):
"""
Stops event dispatch and destroys the CIOMSClient instance.
"""
self._stop_event_dispatch()
# TODO(OOIION-1495) review the following. Only change is the use
# of self._pnode.ports instead of self._active_ports,
# while we address the "active ports" concept mentioned above.
# BTW, is it OK to turn off ports in this "disconnect driver" operation?
# power off all ports with connected devices
if recursion:
for port in self._pnode.ports:
log.debug('disconnect power port: %s', port)
self.turn_off_port(port)
CIOMSClientFactory.destroy_instance(self._rsn_oms)
self._rsn_oms = None
log.debug("%r: CIOMSClient instance destroyed", self._platform_id)
