def dispatcher_routine(chan):
" This listens dispatcher redis channel and send data through operator channel "
rc = redis.Redis()
sub = rc.pubsub()
myrooms = RedisConn.smembers('rooms.%s'%chan.user)
channels = []
for rm in myrooms:
logging.info('rm = %s, type=%s ; decoded: %s'%(rm,type(rm),json.loads(rm)))
nch = channelpref+json.loads(rm)['id']
channels.append(nch)
if chan.user:
channels.append(channelpref+'@'+chan.user)
#channels = set([channelpref+rm['id'] for rm in myrooms])
#substr = ' '.join(channels)
if len(channels):
for ochan in channels:
RedisConn.publish(ochan,json.dumps({'op':'subscribe','user':chan.user,'room':ochan.split('_')[1],'stamp':nowstamp()}))
logging.info('subscribing to chat at %s'%channels)
sub.subscribe(channels)
for msg in sub.listen():
if msg['type']=='subscribe':
logging.info('SKIPPING SUBSCRIBE MESSAGE %s'%msg)
continue
logging.info('CHANNEL %s < DISPATCHER MESSAGE %s'%(chan,msg))
msgd = msg['data']
chan.send(json.loads(msgd)) #tosend(WS_CHANNELS['BO_CHID'], json.loads(msg['data']))
else:
logging.info('no channels to subscribe to')
def update(self, storage=None, **kwargs):
'''update time expire'''
print 'updating::'
id = mkey(REDIS_NAMESPACE, self.collection_name, self.id)
if 'expire' in kwargs:
print TIME_TO_OVERWRITE_CLIENT_COOKIE, RedisConn.ttl(id)
if TIME_TO_OVERWRITE_CLIENT_COOKIE > RedisConn.ttl(id):
result = RedisConn.expire(id, kwargs['expire'])
logging.info('UPDATE LIFETIME TO: %s SECONDS'
% kwargs['expire'])
return result
else:
logging.debug('non_update_SESSION')
else:
raise Exception('unknown action!!!')
def save(self, storage=None):
" Save object to redis storage"
if self.embedded:
logging.warning('You should save embedded objects with high level object')
return
if not self.id:
new_id = RedisConn.incr(mkey(REDIS_NAMESPACE,
self.__class__.__name__.lower() + '_key'))
if self.__salt__:
self.id = hashlib.md5(str(new_id) + self.__salt__).hexdigest()
else:
self.id = new_id
RedisConn.set(mkey(REDIS_NAMESPACE, self.collection_name, self.id),
json.dumps(self.__instdict__))
if self.expire != None:
RedisConn.expire(mkey(REDIS_NAMESPACE, self.collection_name,
self.id), self.expire)
def index(request,room=None):
authck = request.cookies.get('auth')
logging.info('current auth cookie is %s (%s)'%(authck,RedisConn.get('auth.%s'%authck)))
setauthck=None
if not authck or not RedisConn.get('auth.%s'%authck):
un = request.params.get('username','')
pw = request.params.get('password','')
err=''
if un:
u = getuser(un)
if u:
logging.info('user exists')
u = u[0]
hpw = hashlib.md5(pw).hexdigest()
#raise Exception('comparing %s with %s'%(u,hpw))
if u['password']==hpw:
logging.info('generating auth cookie')
setauthck = ''.join(random.choice('abcdefghijklmnopqrstuvwxyz') for i in xrange(16))
else:
err='invalid login'
else:
logging.info('creating new user')
user={'id':un,'password':hashlib.md5(pw).hexdigest()}
users.append(user)
saveusers()
err='user %s created succesfully. please log in'%un
context = {'username':un,'password':pw,'err':err}
rtpl='auth.html'
else:
rtpl='index.html'
global rooms
if room: openrooms = room.split(',')
else: openrooms = []
openrooms = [getroom(rn) for rn in openrooms if rn[0]!='@']
context = {'rooms':json.dumps(rooms),'openrooms':json.dumps(openrooms),'user':RedisConn.get('auth.%s'%authck),'authck':authck,'rowlimit':ROWLIMIT}
rendered_page = render_to_string(rtpl, context, request)
rsp= Response(rendered_page)
if setauthck:
RedisConn.set('auth.%s'%setauthck,un)
logging.info('setting auth cookie = %s (redis value = %s)'%(setauthck,RedisConn.get('auth.%s'%setauthck)))
rsp = Redirect('/')
rsp.set_cookie('auth',setauthck)
return rsp
def __init__(self):
# Get id for web-socket session
self.id = RedisConn.incr( "".join( [self.__class__.__name__, '_ids'] ) )
self.output_queue = Queue()
self.params = {'wssid': self.id} # Session specific parameters
self.greenlets = {} # The dictionary that storages all greenlets associated with this session
# except of input/output servelet handlers and main servelet function
self.terminators = {} # list of functions for execute while session is terminating
self._collection[self.id] = self
self.semaphore = Semaphore() # use it concurent data access conditions
def __init__(self):
# Get id for web-socket session
self.id = RedisConn.incr("".join([self.__class__.__name__, '_ids']))
self.output_queue = Queue()
self.params = {'wssid': self.id} # Session specific parameters
self.greenlets = {} # The dictionary that storages all greenlets associated with this session
# except of input/output servelet handlers and main servelet function
self.terminators = {} # list of functions for execute while session is terminating
self._collection[self.id] = self
self.semaphore = Semaphore() # use it concurent data access conditions
def dispatcher_routine(self):
"""This listens dispatcher redis channel and send data through channel
"""
sub = RedisConn.pubsub()
log.info('subscribing to %s' % self.subscribe_name)
sub.subscribe(self.subscribe_name)
for msg in sub.listen():
if not 'type' in msg:
continue
if msg['type'] != 'message':
continue
log.info('CHANNEL %s < DISPATCHER MESSAGE %s' % (self, msg))
self._send_ws(json.loads(msg['data']))
def dispatcher_routine(self):
"""This listens dispatcher redis channel and send data through channel
"""
sub = RedisConn.pubsub()
log.info('subscribing to %s' % self.subscribe_name)
sub.subscribe(self.subscribe_name)
for msg in sub.listen():
if not 'type' in msg:
continue
if msg['type'] != 'message':
continue
log.info('CHANNEL %s < DISPATCHER MESSAGE %s' % (self, msg))
self._send_ws(json.loads(msg['data']))
def get(cls, id, storage=None, salt=None):
"Get object from Redis storage by ID"
if salt:
idtoget = hashlib.md5(id + salt).hexdigest()
else:
idtoget = id
# First try to find object by Id
# example: gameserver:scratchgames:101
inst_data = RedisConn.get(mkey(REDIS_NAMESPACE,
cls.get_collection_name(), idtoget))
if not inst_data: # No objects with such ID
raise DoesNotExist('No model in Redis srorage with such id')
else:
# Copy structure of Class to new dictionary
instance_dict = json.loads(inst_data.__str__())
return cls(valuedict=instance_dict)
def _listener():
pb = RedisConn.pubsub()
_pubsub = pb.subscribe(channel_name)
if on_spawn:
on_spawn(_pubsub)
for msg in pb.listen():
try:
if termination and termination(channel_name):
# it could be unsubscribe here
return
if msg['type'] == 'message':
SESSION.begin()
action(msg, channel_name)
finally:
gevent.sleep(0)
SESSION.close()
def _listener():
pb = RedisConn.pubsub()
_pubsub = pb.subscribe(channel_name)
if on_spawn:
on_spawn(_pubsub)
for msg in pb.listen():
try:
if termination and termination(channel_name):
# it could be unsubscribe here
return
if msg['type'] == 'message':
SESSION.begin()
action(msg, channel_name)
finally:
gevent.sleep(0)
SESSION.close()
def resub(self,unsub=False):
if self.dispatcher:
logging.info('tearing down message dispatcher')
gevent.kill(self.dispatcher)
self.dispatcher=None
if unsub:
logging.info('looks like we\'re leaving. unsubscribing from channels:')
while len(RedisConn.smembers('rooms.%s'%self.user)):
room = json.loads(RedisConn.spop('rooms.%s'%self.user))['id']
logging.info('unsub: %s'%room)
ochan = channelpref + room
RedisConn.srem('users.%s'%room,self.user)
RedisConn.publish(ochan,json.dumps({'op':'unsubscribe','user':self.user,'room':room,'stamp':nowstamp()}))
logging.info('publishing unsub event on %s'%ochan)
lo = {'op':'leave','room':room,'user':self.user,'stamp':nowstamp()} #,'obj':m['obj']}
writelog(room,json.dumps(lo))
else:
logging.info('creating new dispatcher')
self.dispatcher = gevent.spawn(dispatcher_routine, self)
def firing(self, event_data=None):
if event_data is None:
event_data = {}
event_msg = json.dumps({'event_id': self.id, 'event_data': event_data})
RedisConn.publish(NOODLES_EVENTS_CHANNEL, event_msg)
log.debug('Event %s is firing', self.id)
def __init__(self):
self.id = RedisConn.incr(self.events_id_key)
self.callback = None
def firing(self, event_data=None):
if event_data is None:
event_data = {}
event_msg = json.dumps({'event_id': self.id, 'event_data': event_data})
RedisConn.publish(NOODLES_EVENTS_CHANNEL, event_msg)
log.debug('Event %s is firing', self.id)
def firing(self, event_data = {}):
event_msg = {'event_id': self.id, 'event_data': event_data}
RedisConn.publish(NOODLES_EVENTS_CHANNEL, json.dumps(event_msg))
print 'Event is firing'
def __init__(self):
self.id = RedisConn.incr(self.events_id_key)
self.callback = None
def firing(self, event_data={}):
event_msg = {'event_id': self.id, 'event_data': event_data}
RedisConn.publish(NOODLES_EVENTS_CHANNEL, event_msg)
print 'Event is firing'
def delete(cls, id, storage=None): # storage=None for backword capability
"Delete key specified by ``id``"
result = RedisConn.delete(mkey(REDIS_NAMESPACE,
cls.get_collection_name(), id))
return result
def exists(cls, id, storage=None): # storage=None for backword capability
return RedisConn.exists(mkey(REDIS_NAMESPACE,
cls.get_collection_name(), id))
def onmessage(self, msg):
m = msg.data
logging.info('ONMESSAGE < %s ; %s'%(msg.data,m['op']))
if m['op'] in 'auth':
rauth = RedisConn.get('auth.%s'%m['authck'])
if rauth == m['user']:
self.authenticated=True
self.user = m['user']
self.authck = m['authck']
if not self.authenticated:
raise Exception('not authenticated')
if m['op'] in 'auth': pass
elif m['op'] in 'logout':
RedisConn.delete('auth.%s'%self.authck)
logging.info('signing out %s/%s'%(self.user,self.authck))
self.send({'op':'signoutresult','status':'ok'})
elif m['op']=='msg':
pass
elif m['op']=='join':
pass
elif m['op'] in ['create','update']:
o = m['obj']
if m['objtype']=='joinedroom':
roomname = o['id']
r = getroom(roomname) ; assert r
roomkey='rooms.%s'%self.user
myrooms = RedisConn.smembers(roomkey)
if roomname not in [json.loads(mr)['id'] for mr in myrooms]:
logging.info('%s not in myrooms %s, hence adding'%(roomname,myrooms))
RedisConn.sadd(roomkey,json.dumps(o))
myrooms = RedisConn.smembers(roomkey)
lo = {'op':'join','room':roomname,'user':self.user,'stamp':nowstamp(),'obj':o}
writelog(roomname,json.dumps(lo))
RedisConn.sadd('users.%s'%roomname,self.user)
self.resub()
self.send({'op':'joinresult','status':'ok','roomname':roomname,'obj':o,'content':self.roomcontent(roomname),'users':list(RedisConn.smembers('users.%s'%roomname))})
elif m['objtype']=='message':
o['sender'] = self.user #self.request.remote_addr
o['stamp'] = nowstamp()
line = json.dumps(o)
writelog(o['room'],line)
pubchan = channelpref+o['room']
assert o['room']
logging.info('PUBLISH(%s) > %s'%(pubchan,m))
RedisConn.publish(pubchan,json.dumps(m))
#publish a copy to self in case of privmsg
if o['room'][0]=='@':
no = o.copy()
# snd = no['sender']
no['sender'] = no['room'][1:]
# no['room']='@'+no['sender']
nm = m.copy()
nm['o']=no
pchan = channelpref+'@'+self.user
#Exception: {u'objtype': u'message', u'obj': {u'stamp': '2011-08-26 09:50', u'content': u'w00t', u'sender': u'milez', u'room': u'@milez2'}, u'options': {}, u'op': u'create'}
logging.info('PUBLISHSELF %s < %s'%(pchan,json.dumps(nm)))
RedisConn.publish(pchan,json.dumps(m))
else:
raise Exception('unknown objtype %s'%m['objtype'])
elif m['op'] in ['delete']:
if m['objtype']=='joinedroom':
roomname = m['obj']['id']
r = getroom(roomname) ; assert r
roomkey = 'rooms.%s'%self.user
myrooms = RedisConn.smembers(roomkey)
if roomname in [json.loads(mr)['id'] for mr in myrooms]:
RedisConn.srem(roomkey,json.dumps({'id':roomname}))
lo = {'op':'leave','room':roomname,'user':self.user,'stamp':nowstamp(),'obj':m['obj']}
writelog(roomname,json.dumps(lo))
logging.info('DEPARTTURE of %s from %s -> %s'%(self.user,roomname,RedisConn.smembers(roomkey)))
RedisConn.srem('users.%s'%roomname,self.user)
self.resub()
self.send({'op':'leaveresult','status':'ok','roomname':roomname})
else:
raise Exception('unknown objtype %s'%m['objtype'])
elif m['op']=='leaveall':
while len(RedisConn.smembers('rooms.%s'%self.user)): RedisConn.spop('rooms.%s'%self.user)
self.resub()
else:
raise Exception('unknown op %s'%m['op'])
