def wrapper(*args, **kw):
tstart = timefunc()
result = function(*args, **kw)
tstop = timefunc()
if DEBUG:
msglog.debug(message % (tstop - tstart))
return result
def destroy_cleared(self):
destroy = self.destroy.copy()
self.destroy.clear()
if debug:
msglog.debug("%s destroying batches: \n%r\n" % (self, destroy))
for batch in destroy:
NORMAL.queue_noresult(batch.destroy, self.manager)
return len(destroy)
def run(self):
while not self.cancelled.isSet():
try:
packed = compact()
except:
msglog.error("Compactor failed to run compact().")
msglog.exception(prefix="handled")
else:
msglog.debug("Compacted %d DB files." % packed)
self.cancelled.wait(self.period)
msglog.inform("Compactor thread exiting run-loop.")
def run(self):
while not self.cancelled.isSet():
try:
packed = compact()
except:
msglog.error("Compactor failed to run compact().")
msglog.exception(prefix="handled")
else:
msglog.debug("Compacted %d DB files." % packed)
self.cancelled.wait(self.period)
msglog.inform("Compactor thread exiting run-loop.")
def subscribe(self, manager):
timeout = self.subscription_timeout
self.subscription_manager = manager
create = self.subscription_manager.create_polled_and_get
result = create(self.nodemap, timeout, self.prime_timeout)
self.sid = result["sid"]
self.last_subscribed = time.time()
self.nodes_changed = False
if debug:
total = len(self)
primed = len(result["values"])
msglog.debug("%s primed %d/%d values." % (self, primed, total))
return result["values"]
def get_batch_manager(self):
"""
Override default batch manager creation method to
replace NodeFacade 'manager' reference used by BM
with ManagedNodeFacade instance.
Somewhat of a hack based on knowledge of BM internals.
"""
bm = super(ManagedNodeFacade, self).get_batch_manager()
if not isinstance(bm.manager, ManagedNodeFacade):
host = self.host
bm.manager = host.as_remote_node("/services/Subscription Manager")
msglog.debug("Replaced BM %s SM proxy with Managed Proxy." % bm)
return bm
def fetch(self, params=(), **kwargs):
response = {}
params = dict(params)
params.update(kwargs)
query = params.get("query")
start = params.get("start", 0)
options = params.get("queryOptions")
count = params.get("count", len(self.items) - start)
stop = start + count
if "clientId" in params:
cid = params.get("clientId")
else:
cid = str(UUID())
if "sort" in params:
sort = params["sort"]
else:
sort = [{"attribute": "createdUTC", "descending": True}]
if len(sort) != 1:
raise ValueError("single-attribute sorting only, not: %r" % sort)
attribute = sort[0]["attribute"]
descending = sort[0].get("descending", False)
client = self.client(cid)
client.set_query(query, options)
if attribute == "created" or attribute == "createdUTC":
reverse = not descending
collection = self.created
guids = client.filtered(collection, start, stop, reverse=reverse)
else:
if DEBUG:
msglog.debug("Event Store client fetching by: %r" % attribute)
if attribute not in self.collections:
raise ValueError("sort attribute unknown: %r" % attribute)
guids = []
collection = self.collections[attribute]
for key in sorted(collection.keys(), reverse=descending):
remaining = stop - len(guids)
if remaining <= 0:
break
guids.extend(client.filtered(collection[key], 0, remaining))
guids = guids[start: stop]
items = client.getitems(guids)
response["clientId"] = cid
response["start"] = start
response["items"] = items
response["count"] = len(items)
response["total"] = len(client)
return response
def update(self, result):
if not isinstance(result, Result):
if isinstance(result, dict):
result = Result.from_dict(result)
else:
message = "update() expects Result instance, not: %r"
raise ValueError(message % result)
self.synclock.acquire()
try:
if self.initialized():
previous = self.get_value()
else:
previous = None
self.result = result
value = self.get_value()
self.updated = uptime.secs()
finally:
self.synclock.release()
if self.support_cov:
self.event_generate(COVEvent(self, previous, value, time.time()))
if self.debug:
msglog.debug("%s updated: %r" % (self, result))
def create_batches(self, nodemap):
# MNB calls create batches once with only newly subscribed
# point-map. For example, those MNRs added due to user
# visiting single web-page.
#
# After invoking get-batch once on newly created batches,
# create-batches invoked again, this time with point-map
# containing all subscribed points.
#
# The point-map passed to the second invocation will be a
# superset of the firsts point-map.
building = None
self.clear_batches()
for nid,node in nodemap.items():
if (building is None) or (len(building) > self.MAXBATCH):
building = RnaBatch(self)
self.batches.add(building)
building[nid] = node
self.prime.update(self.batches)
if debug:
msglog.debug("%s created batches: \n%r\n" % (self, self.batches))
return list(self.batches)
def update(self, result):
if not isinstance(result, Result):
if isinstance(result, dict):
result = Result.from_dict(result)
else:
message = "update() expects Result instance, not: %r"
raise ValueError(message % result)
self.synclock.acquire()
try:
if self.initialized():
previous = self.get_value()
else:
previous = None
self.result = result
value = self.get_value()
self.updated = uptime.secs()
finally:
self.synclock.release()
if self.support_cov:
self.event_generate(COVEvent(self, previous, value, time.time()))
if self.debug:
msglog.debug("%s updated: %r" % (self, result))
def destroy(self, manager=None):
if not manager:
manager = self.subscription_manager
if manager and self.subscribed():
if self.timeout_occurred:
message = ("Batch %s destruction leaving remote"
" subscription: timeout had occurred.")
msglog.warn(message % self)
else:
try:
manager.destroy(self.sid)
except:
message = "%s failed to destroy subscription %s on %s."
msglog.log("broadway", msglog.types.WARN,
message % (self, self.sid, manager))
msglog.exception(prefix="handled")
else:
if debug:
message = "Batch %s destroyed remote subscription."
msglog.debug(message % self)
self.clear()
self.sid = None
self.subscription_manager = None
def handle_request(self, request):
exceptions = []
userobject = request.user_object()
if not userobject:
username = request.get_cookie("NBMUSER", None)
if not username:
raise Unauthorized("User unknown")
address = request.get_address()
if not self._cloud_manager.is_host_in_formation(address):
raise Unauthorized("Address unrecognized: " + address)
message = "Getting user because address/usrename: %r, %r"
msglog.debug(message % (address, username))
userobject = self.user_manager.get_user(username)
request_data = request.get_post_data_as_dictionary()
request_data.update(request.get_query_string_as_dictionary())
if request_data.has_key('command') and request_data.has_key('guid'):
exceptions = []
path = request.get_path()
username = userobject.name()
method = request.get_command()
protocol = request.get_protocol()
command = request_data['command'][0]
user = self.user_service.user_from_object(userobject)
origins = {}
for guid in request_data['guid']:
try:
event = AlarmEvent.get_event(guid)
except KeyError:
msglog.warn("Attempt to get event %r failed." % guid)
else:
origins.setdefault(event.origin, []).append(event)
for origin, events in origins.items():
if origin == AlarmEvent.LOCALORIGIN:
for event in events:
message = "User '%s'" % username
if self.secured:
event = query_multi_adapter((event, user), ISecure)
try:
event.notify(command, self, time.time(), message)
except Exception, error:
msg = "Notify %r of %r failed." % (event, command)
msglog.log("broadway", msglog.types.WARN, msg)
msglog.exception(prefix="handled")
# CSCte94039 - form the proper error msg
exceptions.append((command, str(error)))
else:
headers = {"Cookie": "NBMUSER=%s" % userobject.name()}
guids = [event.GUID for event in events]
parameters = [("command", command)]
parameters.extend([("guid", guid) for guid in guids])
data = urllib.urlencode(parameters)
url = '%s://%s%s' % (protocol, origin, path)
if method == "GET":
url = "?".join([url, data])
data = None
redirect = urllib2.Request(url, data, headers)
try:
urllib2.urlopen(redirect).read()
except Exception, error:
message = "'%s' remote events on '%s' failed."
msglog.warn(message % (command, origin))
msglog.exception(prefix="handled")
exceptions.append((origin, command, error))
def handle_request(self, request):
exceptions = []
userobject = request.user_object()
if not userobject:
username = request.get_cookie("NBMUSER", None)
if not username:
raise Unauthorized("User unknown")
address = request.get_address()
if not self._cloud_manager.is_host_in_formation(address):
raise Unauthorized("Address unrecognized: " + address)
message = "Getting user because address/usrename: %r, %r"
msglog.debug(message % (address, username))
userobject = self.user_manager.get_user(username)
request_data = request.get_post_data_as_dictionary()
request_data.update(request.get_query_string_as_dictionary())
if request_data.has_key("command") and request_data.has_key("guid"):
exceptions = []
path = request.get_path()
username = userobject.name()
method = request.get_command()
protocol = request.get_protocol()
command = request_data["command"][0]
user = self.user_service.user_from_object(userobject)
origins = {}
for guid in request_data["guid"]:
try:
event = AlarmEvent.get_event(guid)
except KeyError:
msglog.warn("Attempt to get event %r failed." % guid)
else:
origins.setdefault(event.origin, []).append(event)
for origin, events in origins.items():
if origin == AlarmEvent.LOCALORIGIN:
for event in events:
message = "User '%s'" % username
if self.secured:
event = query_multi_adapter((event, user), ISecure)
try:
event.notify(command, self, time.time(), message)
except Exception, error:
msg = "Notify %r of %r failed." % (event, command)
msglog.log("broadway", msglog.types.WARN, msg)
msglog.exception(prefix="handled")
# CSCte94039 - form the proper error msg
exceptions.append((command, str(error)))
else:
headers = {"Cookie": "NBMUSER=%s" % userobject.name()}
guids = [event.GUID for event in events]
parameters = [("command", command)]
parameters.extend([("guid", guid) for guid in guids])
data = urllib.urlencode(parameters)
url = "%s://%s%s" % (protocol, origin, path)
if method == "GET":
url = "?".join([url, data])
data = None
redirect = urllib2.Request(url, data, headers)
try:
urllib2.urlopen(redirect).read()
except Exception, error:
message = "'%s' remote events on '%s' failed."
msglog.warn(message % (command, origin))
msglog.exception(prefix="handled")
exceptions.append((origin, command, error))
def logdebug(self, message, *args, **kw):
if kw.get("level", 1) <= DEBUG:
if args:
message = message % args
typename = type(self).__name__
msglog.debug("%s(%r): %s." % (typename, self.filename, message))
