def connect(self, host=None, port=None, auth=None):
"""Reconnect if disconnected
"""
host = host or self.host
port = port or self.port
auth = auth or self.auth
if not self.connected():
# XXX: try a few times since connections seem to be flaky
# We should probably try to fix this in the _ESL.so
for _ in range(5):
self._con = ESLconnection(*map(str, (host, port, auth)))
time.sleep(0.05) # I wouldn't tweak this if I were you.
if self.connected() and check_con(self._con):
break
else:
self._con = False
if not check_con(self._con):
raise ConnectionError(
"Failed to connect to server at '{}:{}'\n"
"Please check that FreeSWITCH is running and "
"accepting esl connections.".format(host, port))
# on success change our contact info
self.host = host
self.port = port
self.auth = auth
def _send_raw_to_freeswitch_cli(self, cmd):
con = ESLconnection(self.conf['fs_esl_ip'], self.conf['fs_esl_port'],
self.conf['fs_esl_pass'])
if con.connected():
con.api(cmd)
return True
return False
def main(config):
configureLogging(config)
log = logging.getLogger('main')
if config.getboolean('daemon', 'daemon'):
pidfile = config.get('daemon', 'pidfile')
daemonize(pidfile)
pw = config.get('host', 'password')
h = config.get('host', 'host')
p = config.get('host', 'port')
#Setting up the DB connection
log.info('Connecting to DB on: %s ' % (config.get('database', 'url')))
if ("sqlite" in config.get('database', 'url')):
engine = create_engine( config.get('database', 'url'), poolclass=NullPool )
log.warning('You are using SQLite and we will use NullPool as pooling engine.')
else:
engine = create_engine( config.get('database', 'url'), pool_recycle=3600 )
Session = sessionmaker( autoflush=False, autocommit=False, bind=engine)
log.info('Connecting to: %s:%s ' % (h, p))
con = ESLconnection(h, p, pw)
con.events('plain', 'CUSTOM conference::maintenance')
conferences = {}
while con.connected():
e = con.recvEvent()
if e is None:
continue
conf_uuid = getUnquotedHeader(e, 'Conference-Unique-ID')
action = getUnquotedHeader(e, 'Action')
conf_size = getUnquotedHeader(e, 'Conference-Size')
if action == 'stop-recording':
try:
TrackerConference.stop_recording(e, config, Session())
continue
except Exception, e:
log.critical('An error has occurred while executing stop-recording!\n%s' % traceback.format_exc())
continue
if conf_uuid not in conferences.keys():
try:
conf = TrackerConference(e, config, Session())
conferences[conf_uuid] = conf
except Exception, e:
log.warning('An error occured creating a new conference object! Continuing... \n%s' % e)
continue
def makeCall(self, destination):
con = ESLconnection(self.conf['fs_esl_ip'], self.conf['fs_esl_port'],
self.conf['fs_esl_pass'])
if con.connected():
con.api(
str("originate {origination_call_id_name=%s,origination"
"_caller_id_number=%s}sofia/internal/%s@%s:"
"5060 &echo" %
(self.user, self.user, destination, self.other_ip)))
else:
raise Exception("ESL Connection Failed")
def makeCall(self, destination):
username = subscriber.get_username_from_imsi(self.user)
con = ESLconnection(self.conf['fs_esl_ip'], self.conf['fs_esl_port'],
self.conf['fs_esl_pass'])
if con.connected():
con.api(
str("originate {origination_call_id_name=%s,origination"
"_caller_id_number=%s}sofia/internal/%s@%s:%s"
"5062 &echo" %
(username, username, destination, self.other_ip)))
else:
raise Exception("ESL Connection Failed")
def get_sip_connected(self):
try:
_sip_connected = []
con = ESLconnection("127.0.0.1", "8021", "ClueCon")
e = con.api("show registrations")
reg = e.getBody()
lines = reg.split('\n')
for line in lines[1:]:
vals = line.split(',')
if len(vals) < 10:
return _sip_connected
_sip_connected.append([vals[0]])
except Exception as ex:
api_log.info('Exception: %s' % ex)
def connect(host, port, pw):
"""
Return a connected handle
"""
log = logging.getLogger(__name__)
log.info('Connecting to: %s:%s', host, port)
timer = 0.5
c = ESLconnection(host, port, pw)
c.events('plain', 'CUSTOM conference::maintenance')
while True:
if c.connected():
log.info("Connected to ESL.")
break
log.warning("Connection failed. Retrying in %2.2f", timer)
sleep(timer)
if timer < 3:
timer = timer*1.2
c = ESLconnection(host, port, pw)
c.events('plain', 'CUSTOM conference::maintenance')
return c
def main(config):
configureLogging(config)
log = logging.getLogger('main')
if config.getboolean('daemon', 'daemon'):
global PIDFILE
PIDFILE = config.get('daemon', 'pidfile')
daemonize()
pw = config.get('host', 'password')
h = config.get('host', 'host')
p = config.get('host', 'port')
#Setting up the DB connection
log.info('Connecting to DB on: %s ' % (config.get('database', 'url')))
if ("sqlite" in config.get('database', 'url')):
engine = create_engine( config.get('database', 'url'), poolclass=NullPool )
log.warning('You are using SQLite and we will use NullPool as pooling engine.')
else:
engine = create_engine( config.get('database', 'url'), pool_recycle=3600 )
sm = sessionmaker( autoflush=False, autocommit=False, bind=engine)
Session = scoped_session( sm )
log.info('Connecting to: %s:%s ' % (h, p))
con = ESLconnection(h, p, pw)
con.events('plain', 'CUSTOM conference::maintenance')
while con.connected():
e = con.recvEvent()
if e is None:
continue
log.debug('Received event:\n%s' % e.serialize())
conf_uuid = getUnquotedHeader(e, 'Conference-Unique-ID')
conf_profile = getUnquotedHeader(e, 'Conference-Profile-Name')
conf_name = getUnquotedHeader(e, 'Conference-Name')
conf_size = getUnquotedHeader(e, 'Conference-Size')
caller_id_name = getUnquotedHeader(e, 'Caller-Caller-ID-Name')
caller_id_number = getUnquotedHeader(e, 'Caller-Caller-ID-Number')
member_id = getUnquotedHeader(e, 'Member-ID')
member_type = getUnquotedHeader(e, 'Member-Type')
action = getUnquotedHeader(e, 'Action')
event_date = getUnquotedHeader(e, 'Event-Date-Local')
if event_date is not None:
# Check the python version, because strptime does not exist in it.
if sys.version_info[2] < 5:
spl = event_date.split('-')
year = int(spl[0])
month = int(spl[1])
spl2 = spl[2].split(' ')
day = int(spl2[0])
spl3 = spl2[1].split(':')
hour = int(spl3[0])
minutes = int(spl3[1])
seconds = int(spl3[2])
event_date = datetime(year=year, month=month, day=day, hour=hour, minute=minutes, second=seconds)
else:
event_date = datetime.strptime(event_date, '%Y-%m-%d %H:%M:%S')
if not conf_name:
log.warning('There is no conf name on this event.\n%s' % e.serialize())
continue
try:
owner = Session.query(ModeratorPin).get(conf_name)
except Exception, err:
log.critical(traceback.format_exc())
if owner is None:
log.critical('Error because we could not get owner.')
Session.remove()
continue
confObj = Session.query(Conference).get(conf_uuid)
if confObj is None:
log.debug('Conference does not exist, we must create one.')
if action == 'add-member':
log.info('Member added...')
if conf_size == '1':
confObj = Conference(conf_uuid, event_date, unicode(conf_name), unicode(conf_profile))
owner.conferences.append(confObj)
Session.add(confObj)
log.debug('Action taken on %s. %s' % (conf_name, action))
actionObj = ConferenceAction(unicode(action),
unicode(caller_id_name),
unicode(caller_id_number),
unicode(conf_size),
unicode(member_type),
event_date,
confObj.id)
confObj.actions.append(actionObj)
Session.add(actionObj)
Session.commit()
Session.remove()
log.debug('Conference %s has been created.' % conf_name)
continue
elif action == 'del-member':
if conf_size == '0':
confObj.ended = event_date
log.debug('Action taken on %s. %s' % (conf_name, action))
actionObj = ConferenceAction(unicode(action),
unicode(caller_id_name),
unicode(caller_id_number),
unicode(conf_size),
unicode(member_type),
event_date,
confObj.id)
confObj.actions.append(actionObj)
Session.add(actionObj)
Session.commit()
Session.remove()
log.debug('Conference %s has been destroyed.' % conf_name)
continue
log.debug('Action taken on %s. %s' % (conf_name, action))
# This action comes after the conference has ended.
if action == 'stop-recording':
confObj.recording = os.path.join(config.get('mp3', 'store_to'), getUnquotedHeader(e, 'Path').split('/').pop()[:-3] + 'mp3')
host = unicode(getUnquotedHeader(e, 'FreeSWITCH-IPv4'))
Session.commit()
try:
owner_obj = Session.query(ModeratorPin).get(confObj.owner)
except Exception, e:
log.critical('Could not find owner. Db corruption? %s' % e)
log.critical('Exception: %s' % traceback.format_exc())
Session.remove()
continue
t = Thread(target=postRecordingThread, args=(config, getUnquotedHeader(e, 'Path'), confObj, host, owner_obj))
log.debug('Starting thread %s' % t)
t.start()
log.debug('Thread started...')
Session.remove()
continue
class Connection(object):
'''Connection wrapper which can provide mutex attr access making the
underlying ESL.ESLconnection thread safe.
(Note: must be explicitly connected before use.)
'''
def __init__(self, host, port='8021', auth='ClueCon',
locked=True, lock=None):
"""
Parameters
-----------
host : string
host name or ip address for server hosting an esl connection.
port : string
port where esl connection socket is being offered.
auth : string
authentication password for esl connection.
locked : bool
indicates whether to return a thread safe derivative of the default
ESLConnection class.
lock : instance of mp.Lock
a lock implementation which the connection will utilize when
serializing accesses from multiple threads (requires locked=True)
"""
self.host = host
self.port = port
self.auth = auth
self.log = utils.get_logger(utils.pstr(self))
self._sub = () # events subscription
if locked:
self._mutex = lock or mp.Lock()
# don't connect by default
self._con = False
def __enter__(self, **kwargs):
self.connect(**kwargs)
return self
def __exit__(self, exception_type, exception_val, trace):
self.disconnect()
@staticmethod
def _handle_socket_data(event):
body = event.getBody() if event else None
if not body:
return False, None
if '-ERR' in body.splitlines()[-1]:
raise utils.APIError(body)
return True, body
def api(self, cmd, errcheck=True):
'''Invoke esl api command (with error checking by default).
Returns an ESL.ESLEvent instance for event type "SOCKET_DATA".
'''
self.log.debug("api cmd '{}'".format(cmd))
with self._mutex:
try:
event = self._con.api(cmd)
if errcheck:
_, body = self._handle_socket_data(event)
return event
except AttributeError:
raise ConnectionError("call `connect` first")
def cmd(self, cmd):
'''Return the string-body output from invoking a command.
'''
return self.api(cmd).getBody().strip()
def bgapi(self, cmd):
self.log.debug("bgapi cmd '{}'".format(cmd))
with self._mutex:
try:
return self._con.bgapi(cmd)
except AttributeError:
raise ConnectionError("call `connect` first")
def __getattr__(self, name):
if name == '_con':
return object.__getattribute__(self, name)
try:
attr = getattr(self._con, name)
if not callable(attr):
return attr
else:
# wrap callables with a mutex
@functools.wraps(attr)
def method(*args, **kwargs):
with self._mutex:
return attr(*args, **kwargs)
return method
except AttributeError:
if name in dir(ESLconnection):
raise AttributeError(
"Call `connect()` before before accessing the '{}' "
"attribute".format(name))
else:
raise
def __dir__(self):
dircon = dir(self._con) if self.connected() else []
return utils.dirinfo(self) + dircon
def disconnect(self):
"""Rewrap disconnect to avoid deadlocks
"""
if self.connected():
ret = self._con.disconnect()
self._sub = () # reset subscription
return not bool(ret)
return False
def connect(self, host=None, port=None, auth=None):
"""Reconnect if disconnected
"""
host = host or self.host
port = port or self.port
auth = auth or self.auth
if not self.connected():
# XXX: try a few times since connections seem to be flaky
# We should probably try to fix this in the _ESL.so
for _ in range(5):
self._con = ESLconnection(*map(str, (host, port, auth)))
time.sleep(0.05) # I wouldn't tweak this if I were you.
if self.connected() and check_con(self._con):
break
else:
self._con = False
if not check_con(self._con):
raise ConnectionError(
"Failed to connect to server at '{}:{}'\n"
"Please check that FreeSWITCH is running and "
"accepting esl connections.".format(host, port))
def connected(self):
'''Return bool indicating if this connection is active
'''
if not self._con:
return False
return bool(self._con.connected())
def subscribe(self, event_types, fmt='plain'):
"""Subscribe connection to receive events for all names
in `event_types`
"""
if not self.connected():
raise ConnectionError(
"connection must be active before registering for events")
for name in event_types:
prefix = 'CUSTOM ' if "::" in name else ''
self._con.events(fmt, "{}{}".format(prefix, name))
self._sub += (name,)
