def on_open(self, request):
log('ws connecting')
self.api_key = request.get_argument('api_key')
self.user_id = request.get_argument('user_id')
self.is_authenticated = False
# get conn id
r = redis_connect(db=1)
self.conn_id = str(r.incr('conn_id'))
CLIENTS.setdefault(self.api_key, {})
client = CLIENTS[self.api_key]
client.setdefault('conns', set()).add(self)
client.setdefault('event_auth', {})
client.setdefault('subs', {})
client.setdefault('presence:joined', set())
client.setdefault('presence:left', set())
client.setdefault('usage', {})
client.setdefault('conn_ids', {})
client['conn_ids'][self.conn_id] = self
client['usage'].setdefault('messages', 0)
client['usage'].setdefault('connections', 0)
client['usage']['connections'] += 1
# check api_key exists in db
try:
db = database.Connection(settings.DB_HOST, settings.DB_DATABASE, user=settings.DB_USER, password=settings.DB_PASSWORD)
api_result = db.get('SELECT id, callback_url, disabled from common_apiaccount where api_key="%s"' % self.api_key)
db.close()
if api_result:
if api_result['disabled'] == 1:
return False
self.callback_url = api_result['callback_url']
else:
return False
except:
return False
# start a redis listener thread for this api_key
if not REDIS_THREADS.has_key(self.api_key):
redis_thread = threading.Thread(target=redis_listener, args=(self.api_key,))
redis_thread.daemon = True
REDIS_THREADS[self.api_key] = redis_thread
redis_thread.start()
# emit presence event (broadcast)
r = redis_connect()
r.publish(self.api_key, json.dumps({'action':'broadcast',
'api_key':self.api_key,
'conn_id':self.conn_id,
'channel':'presence:joined',
'message':json.dumps({'conn_id':self.conn_id, 'user_id':self.user_id})}))
self.add_msg_count()
return self.conn_id
def do(self):
r_client = redis_utils.redis_connect("127.0.01", 6379)
with redis_utils.redis_lock("hello", r_client) as is_lock:
if is_lock:
print("start task...")
msg = get_message(3)
print("end task")
self._scheduler.set_result(msg)
else:
print("task is running")
def on_close(self):
if not CLIENTS[self.api_key]['usage']['connections'] == 0:
CLIENTS[self.api_key]['usage']['connections'] -= 1
# emit presence event (broadcast)
r = redis_connect()
r.publish(self.api_key, json.dumps({'action':'broadcast',
'api_key':self.api_key,
'conn_id':self.conn_id,
'channel':'presence:left',
'message':json.dumps({'conn_id':self.conn_id, 'user_id':self.user_id})}))
self.add_msg_count()
def on_close(self):
if not CLIENTS[self.api_key]['usage']['connections'] == 0:
CLIENTS[self.api_key]['usage']['connections'] -= 1
# emit presence event (broadcast)
r = redis_connect()
r.publish(
self.api_key,
json.dumps({
'action':
'broadcast',
'api_key':
self.api_key,
'conn_id':
self.conn_id,
'channel':
'presence:left',
'message':
json.dumps({
'conn_id': self.conn_id,
'user_id': self.user_id
})
}))
self.add_msg_count()
def on_event(self, name, *args, **kwargs):
'''
set, get and del channel names are reserved name for redis persistence
send_data name is reserved for sending to the users server
sub and unsub are reserved for subscribing and unsubscribing to an event
if the name starts with `private` it only gets emitted to authenticated members
'''
self.add_msg_count() # for the incoming message
name = name.lower()
if name in REQUIRE_AUTH:
if not self.is_authenticated:
return 'not authenticated'
if args:
arg0 = args[0].lower()
'''
get-connid returns connection id
'''
if name == 'get-connid':
return self.conn_id
'''
send data to callback address
adds message to the queue
js usage: socket.emit('send-data', 'mydata');
returns error msg if no callback is defined on the api account
***** future feature *****
if name == 'send-data':
try:
server_post(self, arg0)
self.emit(name, 'success')
except CallbackNotDefined:
self.emit(name, 'callback not defined')
except:
self.emit(name, 'error')
self.add_msg_count()
return
'''
'''
get data from key value store
returns value for the key provided
js usage: socket.emit('db-get', 'foo');
'''
if name == 'db-get':
try:
r = redis_connect()
self.emit(name, r.get('%s:%s' % (self.api_key, arg0)))
except:
self.emit(name, 'error')
self.add_msg_count()
return
'''
sets data on the key value store
can set multiple keys
js usage: socket.emit('db-set', {foo:'bar', bash:'bosh'});
'''
if name == 'db-set':
try:
r = redis_connect()
results = {}
for k, v in kwargs.iteritems():
res = r.set('%s:%s' % (self.api_key, k), v)
results[k] = res
self.emit(name, json.dumps(results))
except:
self.emit(name, 'error')
self.add_msg_count()
return
'''
deletes a key from the key value store
js usage: socket.emit('db-del', 'mykey');
**** future feature, or will not implement
if name == 'db-del':
try:
r = redis_connect()
res = r.delete('%s:%s' % (self.api_key, arg0))
self.emit(name, json.dumps({arg0:res}))
except:
self.emit(name, 'error')
self.add_msg_count()
return
'''
'''
if name starts with 'private' message is emitted to authorised subscribers
can set broadcast with {broadcast:true}
js usage: socket.emit('private-chan', {message:'hello'});
'''
if name[:7] == 'private':
if CLIENTS[self.api_key]['event_auth'].has_key(name):
conns = CLIENTS[self.api_key]['event_auth'][name]
if not self in conns:
return 'not authorized'
r = redis_connect()
action = 'emit'
if kwargs.get('broadcast', False):
action = 'broadcast'
r.publish(self.api_key, json.dumps({'action':action,
'api_key':self.api_key,
'conn_id':self.conn_id,
'channel':name,
'message':kwargs['message']}))
self.add_msg_count()
return
return 'not authenticated'
# sub/unsub
'''
subscribe/unsubscribe to a channel
if event is 'presence:joined' or 'presence:left' then user is subscribed
to those special events.
js usage: socket.emit('subscribe', 'mychannel');
'''
subs = CLIENTS[self.api_key]['subs']
presence_joined = CLIENTS[self.api_key]['presence:joined']
presence_left = CLIENTS[self.api_key]['presence:left']
if name == 'subscribe':
event = arg0
if event == 'presence:joined':
presence_joined.add(self)
elif event == 'presence:left':
presence_left.add(self)
else:
subs.setdefault(event, set()).add(self)
self.add_msg_count()
return 'subscribed'
if name == 'unsubscribe':
event = arg0
self.add_msg_count()
if event == 'presence:joined':
try:
presence_joined.remove(self)
return 'unsubscribed'
except:
return 'not subscribed'
elif event == 'presence:left':
try:
presence_left.remove(self)
return 'unsubscribed'
except:
return 'not subscribed'
if event in subs:
if self in subs[event]:
subs[event].remove(self)
return 'unsubscribed'
return 'not subscribed'
'''
emits a message to all subscribed clients
if kwarg 'broadcast' exists and is True, doesn't send to caller
'''
if not self.is_authenticated:
return 'not authenticated'
if subs.has_key(name):
r = redis_connect()
action = 'emit'
if kwargs.get('broadcast', False):
action = 'broadcast'
r.publish(self.api_key, json.dumps({'action':action,
'api_key':self.api_key,
'conn_id':self.conn_id,
'channel':name,
'message':kwargs['message']}))
self.add_msg_count()
def on_open(self, request):
log('ws connecting')
self.api_key = request.get_argument('api_key')
self.user_id = request.get_argument('user_id')
self.is_authenticated = False
# get conn id
r = redis_connect(db=1)
self.conn_id = str(r.incr('conn_id'))
CLIENTS.setdefault(self.api_key, {})
client = CLIENTS[self.api_key]
client.setdefault('conns', set()).add(self)
client.setdefault('event_auth', {})
client.setdefault('subs', {})
client.setdefault('presence:joined', set())
client.setdefault('presence:left', set())
client.setdefault('usage', {})
client.setdefault('conn_ids', {})
client['conn_ids'][self.conn_id] = self
client['usage'].setdefault('messages', 0)
client['usage'].setdefault('connections', 0)
client['usage']['connections'] += 1
# check api_key exists in db
try:
db = database.Connection(settings.DB_HOST,
settings.DB_DATABASE,
user=settings.DB_USER,
password=settings.DB_PASSWORD)
api_result = db.get(
'SELECT id, callback_url, disabled from common_apiaccount where api_key="%s"'
% self.api_key)
db.close()
if api_result:
if api_result['disabled'] == 1:
return False
self.callback_url = api_result['callback_url']
else:
return False
except:
return False
# start a redis listener thread for this api_key
if not REDIS_THREADS.has_key(self.api_key):
redis_thread = threading.Thread(target=redis_listener,
args=(self.api_key, ))
redis_thread.daemon = True
REDIS_THREADS[self.api_key] = redis_thread
redis_thread.start()
# emit presence event (broadcast)
r = redis_connect()
r.publish(
self.api_key,
json.dumps({
'action':
'broadcast',
'api_key':
self.api_key,
'conn_id':
self.conn_id,
'channel':
'presence:joined',
'message':
json.dumps({
'conn_id': self.conn_id,
'user_id': self.user_id
})
}))
self.add_msg_count()
return self.conn_id
def on_event(self, name, *args, **kwargs):
'''
set, get and del channel names are reserved name for redis persistence
send_data name is reserved for sending to the users server
sub and unsub are reserved for subscribing and unsubscribing to an event
if the name starts with `private` it only gets emitted to authenticated members
'''
self.add_msg_count() # for the incoming message
name = name.lower()
if name in REQUIRE_AUTH:
if not self.is_authenticated:
return 'not authenticated'
if args:
arg0 = args[0].lower()
'''
get-connid returns connection id
'''
if name == 'get-connid':
return self.conn_id
'''
send data to callback address
adds message to the queue
js usage: socket.emit('send-data', 'mydata');
returns error msg if no callback is defined on the api account
***** future feature *****
if name == 'send-data':
try:
server_post(self, arg0)
self.emit(name, 'success')
except CallbackNotDefined:
self.emit(name, 'callback not defined')
except:
self.emit(name, 'error')
self.add_msg_count()
return
'''
'''
get data from key value store
returns value for the key provided
js usage: socket.emit('db-get', 'foo');
'''
if name == 'db-get':
try:
r = redis_connect()
self.emit(name, r.get('%s:%s' % (self.api_key, arg0)))
except:
self.emit(name, 'error')
self.add_msg_count()
return
'''
sets data on the key value store
can set multiple keys
js usage: socket.emit('db-set', {foo:'bar', bash:'bosh'});
'''
if name == 'db-set':
try:
r = redis_connect()
results = {}
for k, v in kwargs.iteritems():
res = r.set('%s:%s' % (self.api_key, k), v)
results[k] = res
self.emit(name, json.dumps(results))
except:
self.emit(name, 'error')
self.add_msg_count()
return
'''
deletes a key from the key value store
js usage: socket.emit('db-del', 'mykey');
**** future feature, or will not implement
if name == 'db-del':
try:
r = redis_connect()
res = r.delete('%s:%s' % (self.api_key, arg0))
self.emit(name, json.dumps({arg0:res}))
except:
self.emit(name, 'error')
self.add_msg_count()
return
'''
'''
if name starts with 'private' message is emitted to authorised subscribers
can set broadcast with {broadcast:true}
js usage: socket.emit('private-chan', {message:'hello'});
'''
if name[:7] == 'private':
if CLIENTS[self.api_key]['event_auth'].has_key(name):
conns = CLIENTS[self.api_key]['event_auth'][name]
if not self in conns:
return 'not authorized'
r = redis_connect()
action = 'emit'
if kwargs.get('broadcast', False):
action = 'broadcast'
r.publish(
self.api_key,
json.dumps({
'action': action,
'api_key': self.api_key,
'conn_id': self.conn_id,
'channel': name,
'message': kwargs['message']
}))
self.add_msg_count()
return
return 'not authenticated'
# sub/unsub
'''
subscribe/unsubscribe to a channel
if event is 'presence:joined' or 'presence:left' then user is subscribed
to those special events.
js usage: socket.emit('subscribe', 'mychannel');
'''
subs = CLIENTS[self.api_key]['subs']
presence_joined = CLIENTS[self.api_key]['presence:joined']
presence_left = CLIENTS[self.api_key]['presence:left']
if name == 'subscribe':
event = arg0
if event == 'presence:joined':
presence_joined.add(self)
elif event == 'presence:left':
presence_left.add(self)
else:
subs.setdefault(event, set()).add(self)
self.add_msg_count()
return 'subscribed'
if name == 'unsubscribe':
event = arg0
self.add_msg_count()
if event == 'presence:joined':
try:
presence_joined.remove(self)
return 'unsubscribed'
except:
return 'not subscribed'
elif event == 'presence:left':
try:
presence_left.remove(self)
return 'unsubscribed'
except:
return 'not subscribed'
if event in subs:
if self in subs[event]:
subs[event].remove(self)
return 'unsubscribed'
return 'not subscribed'
'''
emits a message to all subscribed clients
if kwarg 'broadcast' exists and is True, doesn't send to caller
'''
if not self.is_authenticated:
return 'not authenticated'
if subs.has_key(name):
r = redis_connect()
action = 'emit'
if kwargs.get('broadcast', False):
action = 'broadcast'
r.publish(
self.api_key,
json.dumps({
'action': action,
'api_key': self.api_key,
'conn_id': self.conn_id,
'channel': name,
'message': kwargs['message']
}))
self.add_msg_count()
