def add_client_to_room(request, room_id, client_id, is_loopback):
key = get_memcache_key_for_room(request.host_url, room_id)
memcache_client = memcache.Client()
error = None
retries = 0
room = None
# Compare and set retry loop.
while True:
is_initiator = None
messages = []
room_state = ''
room = memcache_client.gets(key)
if room is None:
# 'set' and another 'gets' are needed for CAS to work.
print "ppt, in add_client_to_room, go to memcache_client.set."
if not memcache_client.set(key, Room()):
logging.warning('memcache.Client.set failed for key ' + key)
error = constants.RESPONSE_ERROR
break
room = memcache_client.gets(key)
occupancy = room.get_occupancy()
if occupancy >= 2:
error = constants.RESPONSE_ROOM_FULL
break
if room.has_client(client_id):
error = constants.RESPONSE_DUPLICATE_CLIENT
break
if occupancy == 0:
is_initiator = True
room.add_client(client_id, Client(is_initiator))
if is_loopback:
room.add_client(constants.LOOPBACK_CLIENT_ID, Client(False))
else:
is_initiator = False
other_client = room.get_other_client(client_id)
messages = other_client.messages
room.add_client(client_id, Client(is_initiator))
other_client.clear_messages()
if memcache_client.cas(key, room,
constants.ROOM_MEMCACHE_EXPIRATION_SEC):
logging.info('Added client %s in room %s, retries = %d' \
%(client_id, room_id, retries))
if room.get_occupancy() == 2:
analytics.report_event(analytics.EventType.ROOM_SIZE_2,
room_id,
host=request.host)
success = True
break
else:
retries = retries + 1
return {
'error': error,
'is_initiator': is_initiator,
'messages': messages,
'room_state': str(room)
}
def add_client_to_room(request, room_id, client_id, is_loopback):
key = get_memcache_key_for_room(request.host_url, room_id)
memcache_client = memcache.Client()
error = None
retries = 0
room = None
# Compare and set retry loop.
while True:
is_initiator = None
messages = []
room_state = ''
room = memcache_client.gets(key)
if room is None:
# 'set' and another 'gets' are needed for CAS to work.
if not memcache_client.set(key, Room()):
logging.warning('memcache.Client.set failed for key ' + key)
error = constants.RESPONSE_ERROR
break
room = memcache_client.gets(key)
occupancy = room.get_occupancy()
if occupancy >= 2:
error = constants.RESPONSE_ROOM_FULL
break
if room.has_client(client_id):
error = constants.RESPONSE_DUPLICATE_CLIENT
break
if occupancy == 0:
is_initiator = True
room.add_client(client_id, Client(is_initiator))
if is_loopback:
room.add_client(constants.LOOPBACK_CLIENT_ID, Client(False))
else:
is_initiator = False
other_client = room.get_other_client(client_id)
messages = other_client.messages
room.add_client(client_id, Client(is_initiator))
other_client.clear_messages()
if memcache_client.cas(key, room, constants.ROOM_MEMCACHE_EXPIRATION_SEC):
logging.info('Added client %s in room %s, retries = %d' \
%(client_id, room_id, retries))
if room.get_occupancy() == 2:
analytics.report_event(analytics.EventType.ROOM_SIZE_2,
room_id,
host=request.host)
success = True
break
else:
retries = retries + 1
return {'error': error, 'is_initiator': is_initiator,
'messages': messages, 'room_state': str(room)}
def testModule(self):
event_type = "an_event_with_everything"
room_id = "my_room_that_is_the_best"
time_ms = 50 * 1000.0
client_time_ms = 60 * 1000.0
host = "super_host.domain.org:8112"
analytics.report_event(event_type, room_id=room_id, time_ms=time_ms, client_time_ms=client_time_ms, host=host)
kwargs = {"room_id": room_id, "time_ms": time_ms, "client_time_ms": client_time_ms, "host": host}
self.assertEqual((event_type,), self.analytics_fake.report_event.last_args)
self.assertEqual(kwargs, self.analytics_fake.report_event.last_kwargs)
def _handle_event(self, msg):
request_time_ms = msg.get(RequestField.REQUEST_TIME_MS)
client_type = msg.get(RequestField.CLIENT_TYPE)
event = msg.get(RequestField.EVENT)
if event is None:
return constants.RESPONSE_INVALID_REQUEST
event_type = event.get(RequestField.EventField.EVENT_TYPE)
if event_type is None:
return constants.RESPONSE_INVALID_REQUEST
room_id = event.get(RequestField.EventField.ROOM_ID)
flow_id = event.get(RequestField.EventField.FLOW_ID)
# Time that the event occurred according to the client clock.
try:
client_event_time_ms = float(event.get(
RequestField.EventField.EVENT_TIME_MS))
except (TypeError, ValueError):
return constants.RESPONSE_INVALID_REQUEST
# Time the request was sent based on the client clock.
try:
request_time_ms = float(request_time_ms)
except (TypeError, ValueError):
return constants.RESPONSE_INVALID_REQUEST
# Server time at the time of request.
receive_time_ms = self._time() * 1000.
# Calculate event time as client event time adjusted to server
# local time. Server clock offset is gived by the difference
# between the time the client sent thes request and the time the
# server received the request. This method ignores the latency of
# sending the request to the server.
event_time_ms = client_event_time_ms + (receive_time_ms - request_time_ms)
analytics.report_event(event_type=event_type,
room_id=room_id,
time_ms=event_time_ms,
client_time_ms=client_event_time_ms,
host=self.request.host,
flow_id=flow_id, client_type=client_type)
return constants.RESPONSE_SUCCESS
def testModule(self):
event_type = 'an_event_with_everything'
room_id = 'my_room_that_is_the_best'
time_ms = 50*1000.
client_time_ms = 60*1000.
host = 'super_host.domain.org:8112'
analytics.report_event(event_type,
room_id=room_id,
time_ms=time_ms,
client_time_ms=client_time_ms,
host=host)
kwargs = {
'room_id': room_id,
'time_ms': time_ms,
'client_time_ms': client_time_ms,
'host': host,
}
self.assertEqual((event_type,), self.analytics_fake.report_event.last_args)
self.assertEqual(kwargs, self.analytics_fake.report_event.last_kwargs)
def add_client_to_room(request,
room_id,
client_id,
is_loopback,
room_type,
allow_room_creation,
allowed_clients=None):
key = get_memcache_key_for_room(request.host_url, room_id)
memcache_client = memcache.Client()
error = None
room = None
# Compare and set retry loop.
for retries in xrange(constants.ROOM_MEMCACHE_RETRY_LIMIT):
is_initiator = None
messages = []
room_state = ''
room = memcache_client.gets(key)
if room is None:
if allow_room_creation:
# 'set' and another 'gets' are needed for CAS to work.
if not memcache_client.set(key, Room(room_type)):
logging.warning('memcache.Client.set failed for key ' +
key)
error = constants.RESPONSE_INTERNAL_ERROR
break
room = memcache_client.gets(key)
else:
logging.warning(
'Room did not exist and room creation is not ' +
' allowed. room_id: ' + room_id + ' client: ' + client_id)
error = constants.RESPONSE_INVALID_ROOM
break
occupancy = room.get_occupancy()
if occupancy >= 2:
error = constants.RESPONSE_ROOM_FULL
break
if room.has_client(client_id):
error = constants.RESPONSE_DUPLICATE_CLIENT
break
if room.room_type != room_type:
logging.warning('Room type did not match while adding client ' +
client_id + ' to room ' + room_id +
' room type is ' + str(room.room_type) +
' requested room type is ' + str(room_type))
error = constants.RESPONSE_INVALID_ROOM
break
if occupancy == 0:
is_initiator = True
room.add_client(client_id, client.Client(is_initiator))
if is_loopback:
room.add_client(constants.LOOPBACK_CLIENT_ID, Client(False))
if allowed_clients is not None:
for allowed_client in allowed_clients:
room.add_allowed_client(allowed_client)
else:
is_initiator = False
other_client = room.get_other_client(client_id)
messages = other_client.messages
room.add_client(client_id, client.Client(is_initiator))
other_client.clear_messages()
# Check if the callee was the callee intended by the caller.
if not room.is_client_allowed(client_id):
logging.warning('Client ' + client_id +
' not allowed in room ' + room_id +
' allowed clients: ' +
','.join(room.allowed_clients))
error = constants.RESPONSE_INVALID_ROOM
break
if memcache_client.cas(key, room,
constants.ROOM_MEMCACHE_EXPIRATION_SEC):
logging.info('Added client %s in room %s, retries = %d' \
%(client_id, room_id, retries))
if room.get_occupancy() == 2:
analytics.report_event(constants.EventType.ROOM_SIZE_2,
room_id,
host=request.host)
success = True
break
return {
'error': error,
'is_initiator': is_initiator,
'messages': messages,
'room_state': str(room)
}
