def exception(self, message=None):
msglog.exception(prefix="handled")
self.server.exceptions.increment()
try:
self.error(500, message)
except:
msglog.exception(prefix="handled")
def create_node(self, factory, nodeurl, **config):
try:
as_node(nodeurl)
except KeyError:
pass
else:
raise TypeError("Node exists: %s" % nodeurl)
if isinstance(factory, str):
module,sep,name = factory.rpartition(".")
if name:
exec("import %s" % module)
factory = eval(factory)
parent,sep,name = nodeurl.rpartition("/")
configuration = {"name": name, "parent": parent}
configuration.update(config)
node = factory()
try:
node.configure(configuration)
except:
msglog.log("broadway", msglog.types.WARN,
"Error prevented configuration of new node: %s" % node)
msglog.exception(prefix="handled")
try:
node.prune()
except:
msglog.exception(prefix="handled")
else:
msglog.log("broadway", msglog.types.INFO,
"Node successfully pruned.")
else:
msglog.log("broadway", msglog.types.INFO,
"New node created: %s" % node)
self.updatepdo(nodeurl, node)
node.start()
return node.configuration()
def clear_subscr(self, targets=None):
if self.line_handler is None:
return
if (type(targets) == types.ListType):
targets0_type = type(targets[0])
if (targets0_type == types.TupleType):
pass
elif (targets0_type == types.StringType):
new_targets = []
for node_URL in targets:
node = None
try:
node = as_node(node_URL)
except ENoSuchName:
msglog.exception()
continue
new_targets.append((node.lan_address,node.id_number,))
if len(new_targets) == 0:
return
targets = new_targets
else:
raise EInvalidValue('targets',targets,'Should be None, int, ' \
'or list of 2-tuples (dev_id, obj_id) or ' \
'a list of node URL strings.')
self.line_handler.clear_subscr(targets)
return
def _alarm_code(self, alarm_dict):
result = "N/A"
try:
result = alarm_dict['state']
except:
msglog.exception()
return result
def set(self, newval):
#
newval = str(newval).split('.', 1)[0]
if newval.isdigit():
newval = int(newval)
if not command.has_key(newval):
msglog.log('USAP', WARN, "Object:set() with invalid command - %s" % str(newval))
raise EInvalidValue('Invalid Command', str(newval),
'Valid commands are \'0:DACT\' or \'1:ACTI\'.')
if self.value == command[newval]:
msglog.log('USAP', INFO, "Object:set() - Current value is same as new value \'%s\', so no action required." % str(command[newval]))
return;
vData = string.join(['\x00\x00\x40', self.path, '.', str(command[newval])], '')
msglog.log('USAP', INFO, "Object:set() - newval = %s, vData(%d) = %s" % (str(command[newval]), len(vData), str(vData)))
self.req_vData_obj.setValue(vData)
#
res = None
#
self.lh.connection.drain()
if self.unison_v1_9_0_or_prior == 1:
try:
self.lh.send_request_without_response(self.request_obj, 30)
time.sleep(1)
except Exception, e:
msglog.log('USAP', WARN, "Object:set() - Got exception trying to send request")
msglog.exception()
raise ETimeout('Error sending USAP request')
def cancel(self):
msglog.log('broadway', WARN, '%r closing channel' % self)
try:
self.channel.close()
except:
msglog.exception(prefix = 'Handled')
return
def invoke(self, request):
data = self._get_data(request)
results = []
# process xmlrpc, getting the name of the method
# and parameters
r = xmlrpclib.loads(data)
params = r[0]
method = r[1]
for param in params:
# since we are spliting on ":" I put in a place holder
# for the mpx:// before I do a split the put it back after
# since mpx:// has a ":"
param = param.replace("mpx://", '$$PLACE_HOLDER$$')
p_s = param.split(':')
service = p_s[0].replace('$$PLACE_HOLDER$$', 'mpx://')
method = p_s[1]
try:
result = self._invoke(service, method)
results.append(result)
except Exception, e:
if self.log_n_exceptions:
msglog.exception()
if self.log_n_exceptions > 0:
self.log_n_exceptions -= 1
results.append(self._exception_string(e))
def proxy_active_set(self, dummy):
#print 'active proxy event'
self._proxy_active_thread_lock.acquire(
) #only one set at a time is active
try:
try:
event = None
self._proxy_active_lock.acquire()
try:
event = self._proxy_active_event
self._proxy_active_event = None
if self._proxy_trigger_counter:
self._proxy_trigger_counter -= 1
finally:
self._proxy_active_lock.release(
) #allow any new covs while we do the set
if event: #pending event
if self.debug:
print str(event)
value = event.results()[1]['value']
if isinstance(value, Exception):
raise value
try: #to set() value on destination node
self._proxy_active_destination.set(
value) #don't know how long this will take
self._proxy_set_exception(None)
#failure in attempt to set data, maybe node is not ready yet, try again later
except (ETimeout, EConnectionError, ENotStarted,
ENoSuchNode):
#put the event back in the active event if no new one has come in while we were trying to set()
self._proxy_active_lock.acquire()
try:
if self._proxy_active_event is None:
self._proxy_active_event = event #put it back in for next attempt unless a new one came in
finally:
self._proxy_active_lock.release(
) #allow any new covs while we do the set
scheduler.seconds_from_now_do(
60, self._proxy_trigger_queue
) #try again in one minute
raise #re-raise the set() exception
except:
raise
if self.debug: print 'proxy_active_set call set returned'
except Exception, e:
try:
self._proxy_set_exception(e)
# we have squashed the exception
# we want to log exceptions that are potential bugs
# but we don't want to fill the msglog with ETimeouts
if not isinstance(e, ETimeout):
msglog.exception()
except:
# if there is a bug in the set_exception method we want
# to see this otherwise it makes debugging difficult
msglog.exception()
finally:
self._proxy_active_thread_lock.release()
if self.debug: print 'proxy_active_set done'
pass
def configure(self, config):
Module.configure(self, config)
if not self.version:
self.version = m.ReadModuleName()
# Import appropriate the ADAM module (or package).
module = 'mpx.ion.adam.adam' + self.version
command = compile('import ' + module,
'mpx.ion.adam.unknown.configure()', 'exec')
eval(command)
# Get the module's factory and instanciate the "real" class.
command = module + '.factory'
adam_factory = eval(command, globals(), locals())
self.instance = adam_factory()
# Scary stuff. Detach this ion from our parent, configure the real
# instance (thus attaching it to the parent) and then morph this
# instance to behave like the real instance (in case anyone has a
# handle to this instance).
try:
self.parent._del_child(self.name)
self.instance.configure(config)
attributes = vars(self.instance.__class__)
attributes.update(vars(self.instance))
for attrribute in attributes:
setattr(self, attrribute, getattr(self.instance, attrribute))
except:
msglog.exception()
# The scary stuff failed, reattach to the parent.
try:
self.parent._del_child(self.instance.name)
except:
pass
self.parent._add_child(self)
def _tock(self):
while 1:
try:
self.semaphore.acquire()
#scheduler.seconds_from_now_do(1.0, self._tick)
_module_lock.acquire()
try:
if debug > 4:
print 'FDT tock'
if (self.entries):
for key in self.entries.keys():
entry = self.entries[key]
if entry.tick(): #time to remove
try:
del self.entries[key]
if debug > 4:
print "timeout on foreign device"
except:
pass
finally:
_module_lock.release()
except:
if msglog:
msglog.exception()
msglog.log('broadway', msglog.types.INFO,
'FDT timer thread restarting\n')
pause(10.0)
def _proxy_start_active_mode(self):
if self.link:
try:
if self._proxy_sid is None: #have not started subscription service yet
if self.proxy_direction == GET_ONLY:
self._proxy_active_source = self._proxy_linked_node()
if self._proxy_active_source is None:
raise ENotStarted()
self._proxy_active_destination = self
else: #SET_ONLY
self._proxy_active_source = self
self._proxy_active_destination = self._proxy_linked_node(
)
if self._proxy_active_destination is None:
raise ENotStarted()
self._proxy_active_queue = Queue()
self._proxy_sid = SM.create_delivered(
self, {1: self._proxy_active_source})
if self.debug:
print 'Active proxy %s started successfully' % (
self.name)
except:
#it didn't work. Setup schedule to try again in x seconds.
if self._retry_win_high < 90:
self._retry_win_high += 1
retry_in = randint(int(self._retry_win_high * .66),
self._retry_win_high)
scheduler.seconds_from_now_do(retry_in,
self._proxy_start_active_mode)
#raise #took this out since it mostly just served to force the scheduler tread to restart
if self.debug: msglog.exception()
def write_new_table_contents(self, WBDT_message):
try:
allow = 1
try:
allow = self.node.allow_external_table_editor
except:
pass
if allow:
self.ourBDTentry = None
self.entries = WBDT_message.entries
answer = Result(
0x0000) #default response that everything was ok
try:
if self.node: #persist the data
self.node.save_table(self.as_text())
except: #don't disturb proper response code
msglog.exception()
else:
raise EPermission(
'Supervising node: %s will not allow external editor' %
self.node.name)
except:
msglog.exception()
answer = Result(0x0010) #nak
return answer
def find_template_named(self, name):
#name should be in the form ../jobname/definitionname. return the node
if name.find('../') != 0: return None
try:
print name
n = name.replace('%2F', '/')
x, a, t = n.split('/', 2)
print x, a, t
if self.has_child(a):
print 'found: ', a
n = self.get_child(a)
print 'node: ', n.as_node_url()
answer = n.find_template_named(t)
if answer:
print 'template: ', answer.as_node_url()
else:
print 'template not found: ', str(t)
return answer
#tie in rznet peer apps here!!
#look in the com ports for a matching rz net peer app
# interfaces = as_node('/interfaces')
# for n in interfaces.children_nodes():
# if n.has_child('rznet_peer'):
# rznp = n.get_child('rznet_peer')
# if rznp.has_child(a): #found the app
##form url for template
# answer = rznp.as_node('%s/%s' %(a,t))
# print 'found rznp template: ', answer.as_node_url()
# return answer
except:
msglog.exception()
return None
def prune_orphaned_schedules(self):
# remove schedules under /services/time/local/TIM that have no app
manager = as_node('/services/time/local')
if manager.has_child('TIM'):
try:
sh = as_node('/services/time/local/TIM')
name_header = 'RZSched_'
# create list of RZSched_'s under the TIM node
schedules = filter(
lambda k: k[:len(name_header)] == name_header,
sh.children_names())
# compare appname after RZSched_, upto : with our children names
orphans = filter(
lambda k: k.split('_')[1].split(':')[0] not in self.
children_names(), schedules)
for o in orphans:
try:
sh.get_child(o).prune()
msglog.log('Graphical Control:',
'pruned orphaned schedule: ', o)
except:
msglog.exception()
if len(orphans):
sh.save_schedule()
except:
msglog.exception()
def update(self):
try:
value = ts = None
result = SM.poll_all(self._sid)
if result is not None:
value = result[self._nid]['value']
ts = result[self._nid]['timestamp']
self._history_lock.acquire()
try:
if value is None or isinstance(value, MpxException):
# there were problems collecting during this period,
# our calculation should not proceed
self._history.clear()
if not self._poll_failure:
# log the failure, but don't spam the msglog
self._poll_failure = True
msglog.log(
'Kwh2Kw', msglog.types.WARN,
'Failed to retrieve data from %s' % self.link)
else:
self._poll_failure = False
self._history.add(value, ts)
finally:
self._history_lock.release()
except:
msglog.exception()
self._scheduled = scheduler.seconds_from_now_do(
self.sample_period, self.run_update)
return
def save_trends(self, trend_list):
# Traverse through _pdo.items and check if new domain is either subset
# of any configured or superset.
# If subset return with msg already covered and dont save this
# If superset then configure new ones and delete subset from
# _pdo.items
'''Adding and saving trends'''
for point in reversed(trend_list):
point_period = point['frequency']
point_domain = point['domain']
for saved_domain, saved_period in tuple(self._pdo.trends.items()):
if saved_domain == point_domain:
if saved_period != point_period:
self.delete_trend_configuration(saved_domain)
break
if not self._pdo.trends.has_key(point_domain):
# add this trend
try:
domain_node = as_node(point_domain)
if isinstance(domain_node, EnergywiseSwitch) or isinstance(
domain_node, EnergywiseDomain):
self.add_trend_configuration(point_period,
point_domain)
domain_node.new_trend(point_period)
except Exception:
msglog.exception()
msglog.log(
"Energywise", msglog.types.ERR,
"Failed to create trend for %r every %r seconds" %
(point_domain, point_period))
return
def close_channels(self):
while self.channels:
channel = self.channels.pop()
try:
channel.close()
except:
msglog.exception(prefix="handled")
def completion_handler(self, cb):
try:
if self._callback:
self._callback(self)
except:
msglog.exception(prefix='Handled')
return
def get(self, manager, **keywords):
if debug: print 'Start of Batch:%s' % (self.properties)
now = time.time()
self.last_get_time = now
callback = None
if keywords.has_key('callback'):
keywords['callback'].callback(self.rpm_callback)
try:
#print 'Calling read property multiple'
rars = rpm(self.device, self.properties, self.timeout, **keywords)
if isinstance(rars, Callback):
return rars #if we are in callback mode
#print 'RPM TIME:%s' % (time.time()-now,)
except BACnetException, e:
if len(self.ids) == 1: #single propety rpms throw exceptions at this level
return {self.ids[0]: e} #simply return exception as the result
self.total_rpm_error_counter += 1
if self.total_rpm_error_counter > 0: #catch run away thrashing
for id in self.ids:
nr = self.map[id]
nr.set_batch_manager(None) #none of these points can batch
raise EBadBatch('bacnet', self, 'error threshold exceeded')
#at this point this is a multiple property read that failed
msglog.exception()
if debug: print 'rpm failed, trying rp', str(self.properties)
answer = {}
for id in self.ids:
nr = self.map[id]
result = nr.get_result()
answer[id] = result
if isinstance(result.value.value, BACnetError):
nr.set_batch_manager(None) #turn off rpm for the offending property
msglog.log('bacnet', nr.as_node_url(), 'cannot get multiple')
if debug: msglog.exception()
raise EBadBatch('bacnet', self, 'rpm failed')
def cancel(self):
msglog.log('broadway', WARN, '%r closing channel' % self)
try:
self.channel.close()
except:
msglog.exception(prefix='Handled')
return
def scan_nodes_for_changes(self):
sub_dict = SM.poll_all(self.sid)
self.node_values=sub_dict
print 'scan_nodes_for_changes sm:', sub_dict
if sub_dict: #if there have been any changes
#look at the value in the sheet and send it if there is a difference
for row_index in sub_dict.keys():
try:
url, mode, value = self.sheet[row_index]
new_value = sub_dict[row_index]['value']
if mode < 3: #not write only
update = 0
print "compare: ", str(new_value), value
if str(new_value) != value:
update = 1
try:
if new_value == eval(value): #check numeric comparison
update = 0
except:
pass #text words won't eval
if update:
print 'scan_nodes_for_changes set_cell:', row_index
self.set_cell(row_index, 3, new_value)
except:
msglog.exception()
def _tock(self):
while 1:
try:
self.semaphore.acquire()
#scheduler.seconds_from_now_do(1.0, self._tick)
_module_lock.acquire()
try:
if debug > 4:
print 'FDT tock'
if (self.entries):
for key in self.entries.keys():
entry = self.entries[key]
if entry.tick(): #time to remove
try:
del self.entries[key]
if debug > 4:
print "timeout on foreign device"
except:
pass
finally:
_module_lock.release()
except:
if msglog:
msglog.exception()
msglog.log('broadway', msglog.types.INFO,
'FDT timer thread restarting\n')
pause(10.0)
def _alarm_text(self, alarm_dict):
result = "N/A"
try:
result = alarm_dict['data']
except:
msglog.exception()
return result
def stop(self):
try:
disable_bbmd(self.parent.interface.network)
self._persistent_table = None
except:
msglog.exception()
CompositeNode.stop(self)
def clear_subscr(self, targets=None):
if self.line_handler is None:
return
if (type(targets) == types.ListType):
targets0_type = type(targets[0])
if (targets0_type == types.TupleType):
pass
elif (targets0_type == types.StringType):
new_targets = []
for node_URL in targets:
node = None
try:
node = as_node(node_URL)
except ENoSuchName:
msglog.exception()
continue
new_targets.append((
node.lan_address,
node.id_number,
))
if len(new_targets) == 0:
return
targets = new_targets
else:
raise EInvalidValue('targets',targets,'Should be None, int, ' \
'or list of 2-tuples (dev_id, obj_id) or ' \
'a list of node URL strings.')
self.line_handler.clear_subscr(targets)
return
def start(self):
self.security_manager = self.nodespace.as_node(self.security_manager)
self._pdo_lock.acquire()
try:
self._pdo = PersistentDataObject(self, dmtype=GC_NEVER)
self._pdo.valuedrivers = {}
self._pdo.load()
valuedriverdumps = self._pdo.valuedrivers.items()
finally:
self._pdo_lock.release()
super(DriverConfigurator, self).start()
tstart = time.time()
for drivername, driverdump in valuedriverdumps:
try:
IPickles(cPickle.loads(driverdump))()
except:
message = self.LOADFAILURE % (self.name, 'Value Driver',
drivername)
msglog.log('broadway', msglog.types.ERR, message)
msglog.exception(prefix='Handled')
tend = time.time()
tlapse = tend - tstart
msglog.log(
'broadway', msglog.types.INFO, 'Value Driver Configurator loaded '
'%s nodes in %s seconds.' % (len(valuedriverdumps), tlapse))
return
def _work(self):
NETLOC = 1
PATH = 2
while 1:
callback = self._worker_queue.get()
try:
result = self.get()
except:
msglog.exception()
result = 'None'
try:
data = urllib.urlencode({'result':result})
p_url = urlparse(callback)
conn = httplib.HTTPConnection(p_url[NETLOC])
conn.request('POST', p_url[PATH], data)
rsp = conn.getresponse()
msg = '%s sent a response of %s to %s.' % \
(self.as_node_url(), result, callback)
msglog.log(
'broadway',
msglog.types.INFO,
msg
)
except:
msglog.exception()
return
def configure(self, config):
Module.configure(self, config)
if not self.version:
self.version = m.ReadModuleName()
# Import appropriate the ADAM module (or package).
module = 'mpx.ion.adam.adam' + self.version
command = compile('import ' + module,
'mpx.ion.adam.unknown.configure()', 'exec')
eval(command)
# Get the module's factory and instanciate the "real" class.
command = module + '.factory'
adam_factory = eval(command, globals(), locals())
self.instance = adam_factory()
# Scary stuff. Detach this ion from our parent, configure the real
# instance (thus attaching it to the parent) and then morph this
# instance to behave like the real instance (in case anyone has a
# handle to this instance).
try:
self.parent._del_child(self.name)
self.instance.configure(config)
attributes = vars(self.instance.__class__)
attributes.update(vars(self.instance))
for attrribute in attributes:
setattr(self, attrribute, getattr(self.instance, attrribute))
except:
msglog.exception()
# The scary stuff failed, reattach to the parent.
try:
self.parent._del_child(self.instance.name)
except:
pass
self.parent._add_child(self)
def start_tunnel(self):
if self is not currentThread():
self._send_cmd('start')
return
self._op_lock.acquire()
try:
self.is_active = 1
# set up Port object for the tunnel that reads\writes to the
# slave device file of the pseudo-terminal pair.
if not self._serial_port:
self._serial_port = Port()
cfg = self._vcp.configuration()
cfg['dev'] = self.tty
cfg['name'] = '_slave'
cfg['parent'] = self._vcp
self._serial_port.configure(cfg)
self._op_lock.release()
except:
self._op_lock.release()
while self.is_active:
if not self._serial_port.is_open():
self._serial_port.open()
self._serial_port.drain()
try:
if self.is_server:
self._do_listen()
else:
self._do_connect()
except:
msglog.exception()
if self._serial_port and not self._serial_port.is_open():
self._serial_port.close()
def export(self, alarm, attempt=0):
self._lock.acquire()
try:
if (not self._started):
self._alarm.append(alarm)
# No need to set scheduler here; start() will call
# export_waiting_alarm()...
return
# Even if this node is already started, do not attempt to
# export alarm unless the linked log node and its collector
# object are extant and started:
if (self.log.collector is None):
self._alarm.append(alarm)
if (self._waiting_alarm_sid is
None): # if we're not already scheduled, do it:
# Need to wait long enough for log.start() to finish creating
# and starting collector. ***GUESS*** 10.0 sec. Symptom of not
# waiting long enough: ENotStarted error raised below:
self._waiting_alarm_sid = scheduler.after(
10.0, self.export_waiting_alarm, ())
return
finally:
self._lock.release()
self.log.collector.pause()
try:
try:
if not self.log.collector.running:
raise ENotStarted('Collector not started yet.')
entry = self.log.collector.get_entry()
entry[self.ts_position] = time.time()
# Stamp source, if target log columns support it:
if isinstance(self.trigger_node_url_posn, int):
entry[self.trigger_node_url_posn] = as_node_url(
alarm.source)
if isinstance(self.trigger_node_msg_posn, int):
entry[self.trigger_node_msg_posn] = str(alarm)
self.log.add_entry(entry)
t = time.time()
for child in self.log.get_child('exporters').children_nodes():
child.go(t) # starts threads for long ops
except:
msglog.exception()
if attempt > alarm.source.send_retries:
msglog.log('broadway', msglog.types.WARN,
'Export of alarm failed, aborting send.')
raise MpxException('Log and export failed.')
else:
msglog.log('broadway', msglog.types.WARN,
'Log on alarm failed, delaying 1.0 sec.')
self._lock.acquire()
try:
if self._scheduled != None:
scheduler.cancel(self._scheduled)
self._scheduled = scheduler.after(
1, self.export, (alarm, attempt + 1))
finally:
self._lock.release()
finally:
self.log.collector.play()
return
def poll_server(self):
self.debug_message('initiating poll')
try:
self._request_data()
except:
msglog.exception(prefix="handled")
self.polls_completed += 1
def export(self, alarm):
entry = {}
entry['alarm'] = alarm.source.name
self._timestamp = alarm.timestamp
entry['timestamp'] = alarm.timestamp
entry['critical_value'] = alarm.critical
values = alarm.values
for key in values.keys():
entry[key] = values[key]
entry['message'] = alarm.message
if hasattr(alarm, 'subject'):
entry['subject'] = alarm.subject
data = self.formatter.format([entry])
tries = alarm.source.send_retries + 1
while tries:
tries -= 1
try:
if self.connection.acquire(self.timeout):
try:
self.transporter.transport(data)
return
finally:
self.connection.release()
except:
msglog.log('broadway', msglog.types.WARN,
'Failed attempt to send alarm %s' % alarm)
msglog.exception()
else:
raise MpxException('Export failed.')
def _tick(self):
reschedule = []
entries = self._entries.popentries(uptime.secs())
self._condition.release()
try:
for entry in entries:
try:
entry.execute()
except EActionExpired:
pass
except EActionPremature:
message = 'entry %s execution premature, will reschedule'
self.debugout(message, STANDARDDEBUG, entry)
reschedule.append(entry)
except:
msglog.exception()
else:
if isinstance(entry, RecurringEntry):
reschedule.append(entry)
finally:
self._condition.acquire()
for entry in reschedule:
entry.computewhen()
self._entries.addentries(reschedule)
nextrun = self._entries.nextruntime()
if nextrun is not None:
nextrun = max(0, nextrun - uptime.secs())
return nextrun
def handle_error(self):
try:
msglog.warn("%s handling error. Please check whether the peer is up and supports the %s protocol" % (self, self.protocol))
msglog.exception(prefix="handled")
msglog.inform("%s closing due to error." % self)
finally:
self.close()
def completion_handler(self, cb):
try:
if self._callback:
self._callback(self)
except:
msglog.exception(prefix = 'Handled')
return
def handle_request(self, request):
print 'handle_request'
if not self.running:
return request.error(503) #service unavailable
try:
self.data = data = request.get_data().read_all()
if not data:
raise EProtocol('could not get DATA parameter from posted data')
## process xmlrpc, getting the name of the method
## and parameters
params, method = xmlrpclib.loads(data)
return
object_alias = ''
method_name = ''
## get the name of the object
## and the name of method
## They are delimited by a colon.
except:
msglog.exception()
raise MpxException('Error occurred while processing Brivo XMLRPC command')
# XML-RPC Call was successful.
# Send back the XML result to client
reply = Response(request)
reply.set_header('Content-Length', len(response))
reply.set_header('Content-Type', 'text/xml')
reply.send(response)
return
def update(self, changes):
for nid, result in changes.items():
try:
self.get_child(nid).update(result)
except:
msglog.exception()
return len(changes)
def start(self):
RequestHandler.start(self)
self.WEB_ROOT = properties.HTTP_ROOT
if self.parent.server_type == 'HTTPS':
self.WEB_ROOT = properties.HTTPS_ROOT
for handler in self.parent.children_nodes():
if isinstance(handler, FileSpace):
self.filespace = handler
break
err_message = 'PSP handler not running in secured mode because \
no %s was found. Config parameter "secured" \
being overriden to False'
if self.secured and self.filespace:
try: sm = as_node('/services/Security Manager')
except KeyError:
msglog.log('broadway', msglog.types.WARN,
err_message % 'Security Manager')
msglog.exception(prefix = 'Handled')
self.provides_security = self._secured = False
else:
self.security_manager = sm
self.provides_security = self._secured = True
else:
if self.secured:
# not secured because we could not locate filespace object.
msglog.log('broadway', msglog.types.WARN,
err_message % 'FileSpace manager')
self.provides_security = self._secured = False
def update(self):
try:
value = ts = None
result = SM.poll_all(self._sid)
if result is not None:
value = result[self._nid]['value']
ts = result[self._nid]['timestamp']
self._history_lock.acquire()
try:
if value is None or isinstance(value, MpxException):
# there were problems collecting during this period,
# our calculation should not proceed
self._history.clear()
if not self._poll_failure:
# log the failure, but don't spam the msglog
self._poll_failure = True
msglog.log('Kwh2Kw', msglog.types.WARN,
'Failed to retrieve data from %s' % self.link)
else:
self._poll_failure = False
self._history.add(value, ts)
finally:
self._history_lock.release()
except:
msglog.exception()
self._scheduled = scheduler.seconds_from_now_do(self.sample_period, self.run_update)
return
def login(self): #send the initial series of packets to get started
if self.debug: print 'start login'
try:
self.drain_socket()
if self.debug: print 'write device list request'
self.write(DeviceListRequest())
self._device_list = DeviceListResponse(self.read())
self.device_number = self._device_list.units()[self.device_name]
if self.debug: print 'write login request'
self.write(LoginRequest(self.device_number, self.user, self.password))
self._login_response = LoginResponse(self.read())
if self.debug: print 'write request 3'
self.write(Request3(self.device_number))
self._response3 = Response3(self.read())
if self.debug: print 'write request 4'
self.write(Request4(self.device_number))
self._response4 = Response4(self.read())
if self.debug: print 'write request 5'
self.write(Request5(self.device_number))
self._response5 = self.poll_for_incomming_packets() #Response5(self.read()) #may get first screen update before response
if self.debug: print 'login successful'
for i in range(10): #get the first screen complete before moving on to new pages
self.poll_for_incomming_packets()
self.send_key('f9')
for i in range(10): #get the first screen complete before moving on to new pages
self.poll_for_incomming_packets()
return 1
except:
print 'CPC login failed'
msglog.exception()
return 0
def confirmed_service_indication(network, the_device, msg):
import _bacnet
try:
if msg.choice == BACNET_READ_PROPERTY:
response = _bacnet.server_read_property(the_device.node, msg)
elif msg.choice == BACNET_READ_PROPERTY_MULTIPLE:
response = _bacnet.server_read_property_multiple(
the_device.node, msg)
elif msg.choice == BACNET_WRITE_PROPERTY:
response = _bacnet.server_write_property(the_device.node, msg)
elif msg.choice == BACNET_WRITE_PROPERTY_MULTIPLE:
response = _bacnet.server_write_property_multiple(
the_device.node, msg)
elif msg.choice == BACNET_CONFIRMED_COV_NOTIFICATION:
response = server_cov_notification_msg(the_device.node, \
msg, confirmed = True)
else: #reject amything else
raise ENotImplemented('bacnet server', msg.choice,
'service choice not supported')
if response and (not _is_master_server(the_device, network)):
response.sspec = 1
response.slen = 6 #what should we chose?
response.sadr = utils.bytes_as_string_of_hex_values(
the_device.instance_number, response.slen)
response.snet = the_device.network #correct local copy?
except Exception, e:
msglog.exception()
rp = npdu.NPDU()
rp.pdu_type = BACNET_REJECT_PDU
rp.version = 1
rp.invoke_id = msg.invoke_id
rp.reason = 9 # Unsupported-Service
response = rp
def logout(self):
try:
buffer = str(SignOffRequest1(self.device_number)) + str(SignOffRequest2(self.device_number, self.user)) #combine two pkts into one
self.write(buffer)
self._device_list = SignOffResponse(self.read())
except:
msglog.exception()
def _stop(self):
while self.state is self.PENDING:
pause(.1)
if self.state is not self.STOPPED:
self.state = self.HALTING
msg = 'RNA service stopping on %s.'
msglog.log('broadway', msglog.types.INFO, msg % self.transport)
try:
# Hack to wake up the tread...
t = self.transportClass(**self.configuration())
# TODO: THIS CANNOT WORK. Neither SimpleTcpService nor
# SrnaService has a connect() method:
t.connect()
i = mpx.lib.rna._InvokeCommand("BOGUS")
i.pack(ProtocolCommand('/','no_such_method_i_hope',()))
i.totransport(t.send)
# TODO: THIS CANNOT WORK. Neither SimpleTcpService nor
# SrnaService has a disconnect() method:
t.disconnect()
while self.state is not self.STOPPED:
pause(.1)
return 1
except:
msglog.exception()
return 0
def save_trends(self, trend_list):
# Traverse through _pdo.items and check if new domain is either subset
# of any configured or superset.
# If subset return with msg already covered and dont save this
# If superset then configure new ones and delete subset from
# _pdo.items
'''Adding and saving trends'''
for point in reversed(trend_list):
point_period = point['frequency']
point_domain = point['domain']
for saved_domain,saved_period in tuple(self._pdo.trends.items()):
if saved_domain == point_domain:
if saved_period != point_period:
self.delete_trend_configuration(saved_domain)
break
if not self._pdo.trends.has_key(point_domain):
# add this trend
try:
domain_node = as_node(point_domain)
if isinstance(domain_node,EnergywiseSwitch) or isinstance(domain_node,EnergywiseDomain):
self.add_trend_configuration(point_period, point_domain)
domain_node.new_trend(point_period)
except Exception:
msglog.exception()
msglog.log(
"Energywise",msglog.types.ERR,
"Failed to create trend for %r every %r seconds"
%(point_domain,point_period)
)
return
def _alarm_type(self, alarm_dict):
result = "N/A"
try:
result = alarm_dict['type']
except:
msglog.exception()
return result
def _inform_garbage_collector(list):
try:
gc = as_internal_node('/services/garbage_collector')
gc.set_faillist(list)
except:
msglog.exception(msglog.types.INFO)
return
def _proxy_start_active_mode(self):
if self.link:
try:
if self._proxy_sid is None: #have not started subscription service yet
if self.proxy_direction == GET_ONLY:
self._proxy_active_source = self._proxy_linked_node()
if self._proxy_active_source is None:
raise ENotStarted()
self._proxy_active_destination = self
else: #SET_ONLY
self._proxy_active_source = self
self._proxy_active_destination = self._proxy_linked_node()
if self._proxy_active_destination is None:
raise ENotStarted()
self._proxy_active_queue = Queue()
self._proxy_sid = SM.create_delivered(self, {1:self._proxy_active_source})
if self.debug: print 'Active proxy %s started successfully' % (self.name)
except:
#it didn't work. Setup schedule to try again in x seconds.
if self._retry_win_high < 90:
self._retry_win_high += 1
retry_in = randint(int(self._retry_win_high * .66), self._retry_win_high)
scheduler.seconds_from_now_do(retry_in, self._proxy_start_active_mode)
#raise #took this out since it mostly just served to force the scheduler tread to restart
if self.debug: msglog.exception()
def _configure(filename=properties.CONFIGURATION_FILE):
faillist = []
try:
if megatron:
megatron.setConfiguring()
if os.path.exists('/home/mpxadmin/.db_config'):
#from mpx.lib.configure import db_config
_configure_from_db(filename, faillist)
else:
_configure_file(filename, faillist)
except:
print '***** Exception during _configure_file', sys.exc_info()
msglog.exception(msglog.types.ERR)
# Ensure that the system has the minimum functional requirements.
print '*** Performing minimal configuration ***'
ensure_minimal_configuration()
configuration_file = filename
root = mpx.lib.node.as_internal_node('/')
# Start all nodes, top down, breadth first.
if megatron:
megatron.setStarting()
root.start(stage=6)
# Inform the garbage_collector of any nodes which failed
_inform_garbage_collector(faillist)
if megatron:
megatron.setRunning()
return root
def discover_name(self, name, **options):
if self._should_discover(**options):
try:
self.discover()
except Exception, e:
msglog.exception()
raise ENoSuchName(name)
def start(self):
msglog.log('Delphi', INFO, "Property Start")
if self.parent.enabled:
self.local_file_path = '/tmp/'+self.name+'_EVENTS.NSS'
# Lets remove if there is any stale file
if exists(self.local_file_path):
remove(self.local_file_path)
if exists(self.local_file_path+'_bak'):
remove(self.local_file_path+'_bak')
if exists(self.local_file_path+'_prevday'):
remove(self.local_file_path+'_prevday')
for child in self.children_nodes():
if child.identity == 'status':
self.downloadStatus = child
break
if self.interface_pc_addr == None or self.event_file_location == None:
msglog.log('Delphi', WARN, "Check interface pc address and event file location configurations")
else:
protocol=self.communication_interface+'://'
if self.interface_pc_addr[:len(protocol)] == protocol:
self.interface_pc_addr = self.interface_pc_addr[len(protocol):]
if not self.scheduler.is_started():
try:
self.scheduler.start()
self.schedulePollAfterInterval( 5 )#start scheduler in 5 second
except:
msglog.exception()
super(Property, self).start()
def discover_name(self, name, **options):
if self._should_discover(**options):
try:
self.discover()
except Exception, e:
msglog.exception()
raise ENoSuchName(name)
def handle_update_password(self, request):
parameters = request.get_query_dictionary()
parameters.update(request.get_post_data())
# POST value for destination overrides query-string if both provided.
username = parameters.get("username", "")
password = parameters.get("password", "")
newpwd = parameters.get("newpwd", "")
confirm_newpwd = parameters.get("confirm_newpwd", "")
try:
if Properties.get_boolean('PAM_ENABLE'):
user = self.manager.user_from_pam(username, password)
else:
user = self.manager.user_from_cleartext(username, password)
except (PAMError, EAuthenticationFailed):
msglog.exception(prefix="Handled")
msg = "Invalid old password. Enter correct old password for authentication."
self.handle_form(request, "update_password", "Authentication Failed", msg)
else:
if newpwd == confirm_newpwd:
try:
user.set_password(newpwd)
except EInvalidValue, e:
msglog.exception(prefix="Handled")
msg = "".join(e[1].splitlines())
self.handle_form(request, "update_password",
"Invalid new password. Please try again", msg)
else:
msg = "Password updated successfully for %s." % (username)
msglog.log("broadway", msglog.types.INFO, msg)
self.handle_form(request, "information", msg)
else:
def configure_node(self, nodeurl, config):
node = self.get_managed_node(nodeurl)
node.stop()
try:
node.configure(config)
except:
msglog.log("broadway", msglog.types.WARN,
"Error prevented reconfiguration of node: %s" % node)
msglog.exception(prefix="handled")
msglog.log("broadway", msglog.types.WARN,
"Rolling back configuration.")
try:
node.configure(self.nodes[nodeurl])
except:
msglog.log("broadway", msglog.types.WARN,
"Configuration rollback failed.")
msglog.exception(prefix="handled")
else:
msglog.log("broadway", msglog.types.INFO,
"Rollback of configuration succeeded.")
else:
msglog.log("broadway", msglog.types.INFO,
"Node reconfigured: %s" % node)
self.updatepdo(nodeurl, node)
finally:
node.start()
return node.configuration()
def _stop(self):
while self.state is self.PENDING:
pause(.1)
if self.state is not self.STOPPED:
self.state = self.HALTING
msg = 'RNA service stopping on %s.'
msglog.log('broadway', msglog.types.INFO, msg % self.transport)
try:
# Hack to wake up the tread...
t = self.transportClass(**self.configuration())
# TODO: THIS CANNOT WORK. Neither SimpleTcpService nor
# SrnaService has a connect() method:
t.connect()
i = mpx.lib.rna._InvokeCommand("BOGUS")
i.pack(ProtocolCommand('/', 'no_such_method_i_hope', ()))
i.totransport(t.send)
# TODO: THIS CANNOT WORK. Neither SimpleTcpService nor
# SrnaService has a disconnect() method:
t.disconnect()
while self.state is not self.STOPPED:
pause(.1)
return 1
except:
msglog.exception()
return 0