def connect(self, ua):
if self.connect_done or self.disconnect_done:
return
event = CCEventFail((503, 'Post-early-session Failure'), \
origin = 'switch')
ua.recvEvent(event)
self.connect_done = True
def placeOriginate(self, oroute):
cId, cGUID, cli, cld, body, auth, caller_name = self.eTry.getData()
cld = oroute.cld
self.huntstop_scodes = oroute.params.get('huntstop_scodes', ())
if 'static_tr_out' in self.global_config:
cld = re_replace(self.global_config['static_tr_out'], cld)
if oroute.hostport == 'sip-ua':
host = self.source[0]
nh_address, same_af = self.source, True
else:
host = oroute.hostonly
nh_address, same_af = oroute.getNHAddr(self.source)
if not oroute.forward_on_fail and self.global_config['acct_enable']:
self.acctO = RadiusAccounting(self.global_config, 'originate', \
send_start = self.global_config['start_acct_enable'], lperiod = \
self.global_config.getdefault('alive_acct_int', None))
self.acctO.ms_precision = self.global_config.getdefault(
'precise_acct', False)
self.acctO.setParams(oroute.params.get('bill-to', self.username), oroute.params.get('bill-cli', oroute.cli), \
oroute.params.get('bill-cld', cld), self.cGUID, self.cId, host)
else:
self.acctO = None
self.acctA.credit_time = oroute.credit_time
conn_handlers = [self.oConn]
disc_handlers = []
if not oroute.forward_on_fail and self.global_config['acct_enable']:
disc_handlers.append(self.acctO.disc)
self.uaO = UA(self.global_config, self.recvEvent, oroute.user, oroute.passw, nh_address, oroute.credit_time, tuple(conn_handlers), \
tuple(disc_handlers), tuple(disc_handlers), dead_cbs = (self.oDead,), expire_time = oroute.expires, \
no_progress_time = oroute.no_progress_expires, extra_headers = oroute.extra_headers)
self.uaO.local_ua = self.global_config['_uaname']
self.uaO.no_reply_time = oroute.no_reply_expires
if self.source != oroute.params.get('outbound_proxy', None):
self.uaO.outbound_proxy = oroute.params.get('outbound_proxy', None)
if self.rtp_proxy_session != None and oroute.params.get('rtpp', True):
self.uaO.on_local_sdp_change = self.rtp_proxy_session.on_caller_sdp_change
self.uaO.on_remote_sdp_change = self.rtp_proxy_session.on_callee_sdp_change
self.rtp_proxy_session.caller.raddress = nh_address
if body != None:
body = body.getCopy()
self.proxied = True
self.uaO.kaInterval = self.global_config['keepalive_orig']
if 'group_timeout' in oroute.params:
timeout, skipto = oroute.params['group_timeout']
Timeout(self.group_expires, timeout, 1, skipto)
if self.global_config.getdefault('hide_call_id', False):
cId = SipCallId(
md5(str(cId).encode()).hexdigest() + ('-b2b_%d' % oroute.rnum))
else:
cId += '-b2b_%d' % oroute.rnum
event = CCEventTry((cId, cGUID, oroute.cli, cld, body, auth, \
oroute.params.get('caller_name', self.caller_name)))
if self.eTry.max_forwards != None:
event.max_forwards = self.eTry.max_forwards - 1
if event.max_forwards <= 0:
self.uaA.recvEvent(CCEventFail((483, 'Too Many Hops')))
self.state = CCStateDead
return
event.reason = self.eTry.reason
self.uaO.recvEvent(event)
def createUa0(self, param):
self.global_config['_sip_logger'].write(
'requestCallback %s==>' % (self.id), param)
res = param.get('invite')
if (res == None):
return
if res == "0":
self._number = res
self.uaA.recvEvent(
CCEventFail((480, 'No Number'),
rtime=self._invite_event.rtime))
else:
self._number, _type, _gateway, _vos_ip = res.split("|")
cId, cGUID, cli, cld, body, auth, caller_name = self._invite_event.getData(
)
oli = self.cli
if _type == "3":
oli = cli + cld[8:]
event = self._invite_event
event.data = (SipCallId(), cGUID, oli, self._number, body, auth,
caller_name)
parts = _vos_ip.split(':')
port = '5060'
if len(parts) == 2:
port = parts[1]
self.uaO = UA(self.global_config,
event_cb=self.recvEvent,
nh_address=tuple([parts[0], int(port)]))
self.uaO.recvEvent(event)
def connect(self, ua):
if self.connect_done or self.connect_done:
return
event = CCEventFail((501, 'Post-ring Failure'), \
origin = 'switch')
ua.recvEvent(event)
self.connect_done = True
def ring(self, ua):
if self.connect_done or self.disconnect_done:
return
event = CCEventFail((502, 'Pre-ring Failure'), \
origin = 'switch')
ua.recvEvent(event)
self.ring_done = True
self.connect_done = True
def recvEvent(self, event, ua):
if not isinstance(event, CCEventUpdate):
return (b_test_reinvite.recvEvent(self, event, ua))
if self.debug_lvl > 0:
print('Bob(%s): Incoming event: %s, generating failure' %
(self.cli, str(event)))
event = CCEventFail((408, 'Nobody is Home'))
ua.recvEvent(event)
def rDone(self, results):
# Check that we got necessary result from Radius
if len(results) != 2 or results[1] != 0:
if isinstance(self.uaA.state, UasStateTrying):
if self.challenge != None:
event = CCEventFail((401, 'Unauthorized'))
event.extra_header = self.challenge
else:
event = CCEventFail((403, 'Auth Failed'))
self.uaA.recvEvent(event)
self.state = CCStateDead
return
if self.global_config['acct_enable']:
self.acctA = RadiusAccounting(self.global_config, 'answer', \
send_start = self.global_config['start_acct_enable'], lperiod = \
self.global_config.getdefault('alive_acct_int', None))
self.acctA.ms_precision = self.global_config.getdefault('precise_acct', False)
self.acctA.setParams(self.username, self.cli, self.cld, self.cGUID, self.cId, self.remote_ip)
else:
self.acctA = FakeAccounting()
# Check that uaA is still in a valid state, send acct stop
if not isinstance(self.uaA.state, UasStateTrying):
self.acctA.disc(self.uaA, time(), 'caller')
return
cli = [x[1][4:] for x in results[0] if x[0] == 'h323-ivr-in' and x[1].startswith('CLI:')]
if len(cli) > 0:
self.cli = cli[0]
if len(self.cli) == 0:
self.cli = None
caller_name = [x[1][5:] for x in results[0] if x[0] == 'h323-ivr-in' and x[1].startswith('CNAM:')]
if len(caller_name) > 0:
self.caller_name = caller_name[0]
if len(self.caller_name) == 0:
self.caller_name = None
credit_time = [x for x in results[0] if x[0] == 'h323-credit-time']
if len(credit_time) > 0:
global_credit_time = int(credit_time[0][1])
else:
global_credit_time = None
if not self.global_config.has_key('static_route'):
routing = [x for x in results[0] if x[0] == 'h323-ivr-in' and x[1].startswith('Routing:')]
if len(routing) == 0:
self.uaA.recvEvent(CCEventFail((500, 'Internal Server Error (2)')))
self.state = CCStateDead
return
routing = [x[1][8:].split(';') for x in routing]
else:
routing = [self.global_config['static_route'].split(';')]
rnum = 0
for route in routing:
rnum += 1
if route[0].find('@') != -1:
cld, host = route[0].split('@')
if len(cld) == 0:
# Allow CLD to be forcefully removed by sending `Routing:@host' entry,
# as opposed to the Routing:host, which means that CLD should be obtained
# from the incoming call leg.
cld = None
else:
cld = self.cld
host = route[0]
credit_time = global_credit_time
expires = None
no_progress_expires = None
forward_on_fail = False
user = None
passw = None
cli = self.cli
parameters = {}
parameters['extra_headers'] = self.pass_headers[:]
for a, v in [x.split('=') for x in route[1:]]:
if a == 'credit-time':
credit_time = int(v)
if credit_time < 0:
credit_time = None
elif a == 'expires':
expires = int(v)
if expires < 0:
expires = None
elif a == 'hs_scodes':
parameters['huntstop_scodes'] = tuple([int(x) for x in v.split(',') if len(x.strip()) > 0])
elif a == 'np_expires':
no_progress_expires = int(v)
if no_progress_expires < 0:
no_progress_expires = None
elif a == 'forward_on_fail':
forward_on_fail = True
elif a == 'auth':
user, passw = v.split(':', 1)
elif a == 'cli':
cli = v
if len(cli) == 0:
cli = None
elif a == 'cnam':
caller_name = unquote(v)
if len(caller_name) == 0:
caller_name = None
parameters['caller_name'] = caller_name
elif a == 'ash':
ash = SipHeader(unquote(v))
parameters['extra_headers'].append(ash)
elif a == 'rtpp':
parameters['rtpp'] = (int(v) != 0)
elif a == 'gt':
timeout, skip = v.split(',', 1)
parameters['group_timeout'] = (int(timeout), rnum + int(skip))
else:
parameters[a] = v
if self.global_config.has_key('max_credit_time'):
if credit_time == None or credit_time > self.global_config['max_credit_time']:
credit_time = self.global_config['max_credit_time']
if credit_time == 0 or expires == 0:
continue
self.routes.append((rnum, host, cld, credit_time, expires, no_progress_expires, forward_on_fail, user, \
passw, cli, parameters))
#print 'Got route:', host, cld
if len(self.routes) == 0:
self.uaA.recvEvent(CCEventFail((500, 'Internal Server Error (3)')))
self.state = CCStateDead
return
self.state = CCStateARComplete
self.placeOriginate(self.routes.pop(0))
def rDone(self, results):
# Check that we got necessary result from Radius
if len(results) != 2 or results[1] != 0:
if isinstance(self.uaA.state, UasStateTrying):
if self.challenge != None:
event = CCEventFail((401, 'Unauthorized'))
event.extra_header = self.challenge
else:
event = CCEventFail((403, 'Auth Failed'))
self.uaA.recvEvent(event)
self.state = CCStateDead
return
if self.global_config['acct_enable']:
self.acctA = RadiusAccounting(self.global_config, 'answer', \
send_start = self.global_config['start_acct_enable'], lperiod = \
self.global_config.getdefault('alive_acct_int', None))
self.acctA.ms_precision = self.global_config.getdefault(
'precise_acct', False)
self.acctA.setParams(self.username, self.cli, self.cld, self.cGUID,
self.cId, self.remote_ip)
else:
self.acctA = FakeAccounting()
# Check that uaA is still in a valid state, send acct stop
if not isinstance(self.uaA.state, UasStateTrying):
self.acctA.disc(self.uaA, MonoTime(), 'caller')
return
cli = [
x[1][4:] for x in results[0]
if x[0] == 'h323-ivr-in' and x[1].startswith('CLI:')
]
if len(cli) > 0:
self.cli = cli[0]
if len(self.cli) == 0:
self.cli = None
caller_name = [
x[1][5:] for x in results[0]
if x[0] == 'h323-ivr-in' and x[1].startswith('CNAM:')
]
if len(caller_name) > 0:
self.caller_name = caller_name[0]
if len(self.caller_name) == 0:
self.caller_name = None
credit_time = [x for x in results[0] if x[0] == 'h323-credit-time']
if len(credit_time) > 0:
credit_time = int(credit_time[0][1])
else:
credit_time = None
if not '_static_route' in self.global_config:
routing = [
x for x in results[0]
if x[0] == 'h323-ivr-in' and x[1].startswith('Routing:')
]
if len(routing) == 0:
self.uaA.recvEvent(
CCEventFail((500, 'Internal Server Error (2)')))
self.state = CCStateDead
return
routing = [B2BRoute(x[1][8:]) for x in routing]
else:
routing = [
self.global_config['_static_route'].getCopy(),
]
rnum = 0
for oroute in routing:
rnum += 1
max_credit_time = self.global_config.getdefault(
'max_credit_time', None)
oroute.customize(rnum, self.cld, self.cli, credit_time, self.pass_headers, \
max_credit_time)
if oroute.credit_time == 0 or oroute.expires == 0:
continue
self.routes.append(oroute)
#print 'Got route:', oroute.hostport, oroute.cld
if len(self.routes) == 0:
self.uaA.recvEvent(CCEventFail((500, 'Internal Server Error (3)')))
self.state = CCStateDead
return
self.state = CCStateARComplete
self.placeOriginate(self.routes.pop(0))
def recvEvent(self, event, ua):
if ua == self.uaA:
if self.state == CCStateIdle:
if not isinstance(event, CCEventTry):
# Some weird event received
self.uaA.recvEvent(CCEventDisconnect(rtime=event.rtime))
return
self.cId, cGUID, self.cli, self.cld, body, auth, self.caller_name = event.getData(
)
self.cGUID = cGUID.hexForm()
if self.cld == None:
self.uaA.recvEvent(
CCEventFail((500, 'Internal Server Error (1)'),
rtime=event.rtime))
self.state = CCStateDead
return
if body != None and '_allowed_pts' in self.global_config:
try:
body.parse()
except:
self.uaA.recvEvent(
CCEventFail((400, 'Malformed SDP Body'),
rtime=event.rtime))
self.state = CCStateDead
return
allowed_pts = self.global_config['_allowed_pts']
mbody = body.content.sections[0].m_header
if mbody.transport.lower() == 'rtp/avp':
old_len = len(mbody.formats)
mbody.formats = [
x for x in mbody.formats if x in allowed_pts
]
if len(mbody.formats) == 0:
self.uaA.recvEvent(
CCEventFail((488, 'Not Acceptable Here')))
self.state = CCStateDead
return
if old_len > len(mbody.formats):
body.content.sections[0].optimize_a()
if self.cld.startswith('nat-'):
self.cld = self.cld[4:]
if body != None:
body.content += 'a=nated:yes\r\n'
event.data = (self.cId, cGUID, self.cli, self.cld, body,
auth, self.caller_name)
if 'static_tr_in' in self.global_config:
self.cld = re_replace(self.global_config['static_tr_in'],
self.cld)
event.data = (self.cId, cGUID, self.cli, self.cld, body,
auth, self.caller_name)
if '_rtp_proxy_clients' in self.global_config:
self.rtp_proxy_session = Rtp_proxy_session(self.global_config, call_id = self.cId, \
notify_socket = self.global_config['b2bua_socket'], \
notify_tag = quote('r %s' % str(self.id)))
self.rtp_proxy_session.callee.raddress = (self.remote_ip,
5060)
self.rtp_proxy_session.insert_nortpp = True
self.eTry = event
self.state = CCStateWaitRoute
if not self.global_config['auth_enable']:
self.username = self.remote_ip
self.rDone(((), 0))
elif auth == None or auth.username == None or len(
auth.username) == 0:
self.username = self.remote_ip
self.auth_proc = self.global_config['_radius_client'].do_auth(self.remote_ip, self.cli, self.cld, self.cGUID, \
self.cId, self.remote_ip, self.rDone)
else:
self.username = auth.username
self.auth_proc = self.global_config[
'_radius_client'].do_auth(auth.username, self.cli,
self.cld, self.cGUID,
self.cId, self.remote_ip,
self.rDone, auth.realm,
auth.nonce, auth.uri,
auth.response)
return
if self.state not in (CCStateARComplete, CCStateConnected,
CCStateDisconnecting) or self.uaO == None:
return
self.uaO.recvEvent(event)
else:
if (isinstance(event, CCEventFail) or isinstance(event, CCEventDisconnect)) and self.state == CCStateARComplete and \
(isinstance(self.uaA.state, UasStateTrying) or isinstance(self.uaA.state, UasStateRinging)) and len(self.routes) > 0:
if isinstance(event, CCEventFail):
code = event.getData()[0]
else:
code = None
if code == None or code not in self.huntstop_scodes:
self.placeOriginate(self.routes.pop(0))
return
self.uaA.recvEvent(event)
def rDone(self, results):
# Check that we got necessary result from Radius
if len(results) != 2 or results[1] != 0:
if isinstance(self.uaA.state, UasStateTrying):
if self.challenge != None:
event = CCEventFail((401, 'Unauthorized'))
event.extra_header = self.challenge
else:
event = CCEventFail((403, 'Auth Failed'))
self.uaA.recvEvent(event)
self.state = CCStateDead
return
if self.global_config['acct_enable']:
self.acctA = RadiusAccounting(self.global_config, 'answer', \
send_start = self.global_config['start_acct_enable'], lperiod = \
self.global_config.getdefault('alive_acct_int', None))
self.acctA.ms_precision = self.global_config.getdefault('precise_acct', False)
self.acctA.setParams(self.username, self.cli, self.cld, self.cGUID, self.cId, self.remote_ip)
else:
self.acctA = FakeAccounting()
# Check that uaA is still in a valid state, send acct stop
if not isinstance(self.uaA.state, UasStateTrying):
self.acctA.disc(self.uaA, MonoTime(), 'caller')
return
cli = [x[1][4:] for x in results[0] if x[0] == 'h323-ivr-in' and x[1].startswith('CLI:')]
if len(cli) > 0:
self.cli = cli[0]
if len(self.cli) == 0:
self.cli = None
caller_name = [x[1][5:] for x in results[0] if x[0] == 'h323-ivr-in' and x[1].startswith('CNAM:')]
if len(caller_name) > 0:
self.caller_name = caller_name[0]
if len(self.caller_name) == 0:
self.caller_name = None
credit_time = [x for x in results[0] if x[0] == 'h323-credit-time']
if len(credit_time) > 0:
credit_time = int(credit_time[0][1])
else:
credit_time = None
if not '_static_route' in self.global_config:
routing = [x for x in results[0] if x[0] == 'h323-ivr-in' and x[1].startswith('Routing:')]
if len(routing) == 0:
self.uaA.recvEvent(CCEventFail((500, 'Internal Server Error (2)')))
self.state = CCStateDead
return
routing = [B2BRoute(x[1][8:]) for x in routing]
else:
routing = [self.global_config['_static_route'].getCopy(),]
rnum = 0
for oroute in routing:
rnum += 1
max_credit_time = self.global_config.getdefault('max_credit_time', None)
oroute.customize(rnum, self.cld, self.cli, credit_time, self.pass_headers, \
max_credit_time)
if oroute.credit_time == 0 or oroute.expires == 0:
continue
self.routes.append(oroute)
#print 'Got route:', oroute.hostport, oroute.cld
if len(self.routes) == 0:
self.uaA.recvEvent(CCEventFail((500, 'Internal Server Error (3)')))
self.state = CCStateDead
return
self.state = CCStateARComplete
self.placeOriginate(self.routes.pop(0))
def rDone(self, results):
# Check that we got necessary result from Radius
if len(results) != 2 or results[1] != 0:
if isinstance(self.uaA.state, UasStateTrying):
if self.challenge != None:
event = CCEventFail((401, 'Unauthorized'))
event.extra_header = self.challenge
else:
event = CCEventFail((403, 'Auth Failed'))
self.uaA.recvEvent(event)
self.state = CCStateDead
return
if self.global_config['acct_enable']:
self.acctA = RadiusAccounting(self.global_config, 'answer', \
send_start = self.global_config['start_acct_enable'], lperiod = \
self.global_config.getdefault('alive_acct_int', None))
self.acctA.ms_precision = self.global_config.getdefault('precise_acct', False)
self.acctA.setParams(self.username, self.cli, self.cld, self.cGUID, self.cId, self.remote_ip)
else:
self.acctA = FakeAccounting()
# Check that uaA is still in a valid state, send acct stop
if not isinstance(self.uaA.state, UasStateTrying):
self.acctA.disc(self.uaA, time(), 'caller')
return
cli = [x[1][4:] for x in results[0] if x[0] == 'h323-ivr-in' and x[1].startswith('CLI:')]
if len(cli) > 0:
self.cli = cli[0]
if len(self.cli) == 0:
self.cli = None
caller_name = [x[1][5:] for x in results[0] if x[0] == 'h323-ivr-in' and x[1].startswith('CNAM:')]
if len(caller_name) > 0:
self.caller_name = caller_name[0]
if len(self.caller_name) == 0:
self.caller_name = None
credit_time = [x for x in results[0] if x[0] == 'h323-credit-time']
if len(credit_time) > 0:
global_credit_time = int(credit_time[0][1])
else:
global_credit_time = None
if not self.global_config.has_key('static_route'):
routing = [x for x in results[0] if x[0] == 'h323-ivr-in' and x[1].startswith('Routing:')]
if len(routing) == 0:
self.uaA.recvEvent(CCEventFail((500, 'Internal Server Error (2)')))
self.state = CCStateDead
return
routing = [x[1][8:].split(';') for x in routing]
else:
routing = [self.global_config['static_route'].split(';')]
rnum = 0
for route in routing:
rnum += 1
if route[0].find('@') != -1:
cld, host = route[0].split('@', 1)
if len(cld) == 0:
# Allow CLD to be forcefully removed by sending `Routing:@host' entry,
# as opposed to the Routing:host, which means that CLD should be obtained
# from the incoming call leg.
cld = None
else:
cld = self.cld
host = route[0]
credit_time = global_credit_time
expires = None
no_progress_expires = None
forward_on_fail = False
user = None
passw = None
cli = self.cli
parameters = {}
parameters['extra_headers'] = self.pass_headers[:]
for a, v in [x.split('=', 1) for x in route[1:]]:
if a == 'credit-time':
credit_time = int(v)
if credit_time < 0:
credit_time = None
elif a == 'expires':
expires = int(v)
if expires < 0:
expires = None
elif a == 'hs_scodes':
parameters['huntstop_scodes'] = tuple([int(x) for x in v.split(',') if len(x.strip()) > 0])
elif a == 'np_expires':
no_progress_expires = int(v)
if no_progress_expires < 0:
no_progress_expires = None
elif a == 'forward_on_fail':
forward_on_fail = True
elif a == 'auth':
user, passw = v.split(':', 1)
elif a == 'cli':
cli = v
if len(cli) == 0:
cli = None
elif a == 'cnam':
caller_name = unquote(v)
if len(caller_name) == 0:
caller_name = None
parameters['caller_name'] = caller_name
elif a == 'ash':
ash = SipHeader(unquote(v))
parameters['extra_headers'].append(ash)
elif a == 'rtpp':
parameters['rtpp'] = (int(v) != 0)
elif a == 'gt':
timeout, skip = v.split(',', 1)
parameters['group_timeout'] = (int(timeout), rnum + int(skip))
elif a == 'op':
host_port = v.split(':', 1)
if len(host_port) == 1:
parameters['outbound_proxy'] = (v, 5060)
else:
parameters['outbound_proxy'] = (host_port[0], int(host_port[1]))
else:
parameters[a] = v
if self.global_config.has_key('max_credit_time'):
if credit_time == None or credit_time > self.global_config['max_credit_time']:
credit_time = self.global_config['max_credit_time']
if credit_time == 0 or expires == 0:
continue
self.routes.append((rnum, host, cld, credit_time, expires, no_progress_expires, forward_on_fail, user, \
passw, cli, parameters))
#print 'Got route:', host, cld
if len(self.routes) == 0:
self.uaA.recvEvent(CCEventFail((500, 'Internal Server Error (3)')))
self.state = CCStateDead
return
self.state = CCStateARComplete
self.placeOriginate(self.routes.pop(0))
def recvResponse(self, resp, tr):
body = resp.getBody()
code, reason = resp.getSCode()
scode = (code, reason, body)
self.ua.last_scode = code
if self.ua.no_reply_timer != None:
self.ua.no_reply_timer.cancel()
self.ua.no_reply_timer = None
if code == 100 and self.ua.no_progress_time != None:
self.ua.no_progress_timer = TimeoutAbsMono(
self.ua.no_progress_expires, self.ua.no_progress_time)
elif code < 200 and self.ua.expire_time != None:
self.ua.expire_timer = TimeoutAbsMono(self.ua.expires,
self.ua.expire_time)
if code == 100:
if self.ua.p100_ts == None:
self.ua.p100_ts = resp.rtime
self.ua.equeue.append(
CCEventRing(scode, rtime=resp.rtime, origin=self.ua.origin))
return None
if self.ua.no_progress_timer != None:
self.ua.no_progress_timer.cancel()
self.ua.no_progress_timer = None
if code < 200 and self.ua.expire_time != None:
self.ua.expire_timer = TimeoutAbsMono(self.ua.expires,
self.ua.expire_time)
if code < 200:
event = CCEventRing(scode, rtime=resp.rtime, origin=self.ua.origin)
if body != None:
if self.ua.on_remote_sdp_change != None:
self.ua.on_remote_sdp_change(
body,
lambda x: self.ua.delayed_remote_sdp_update(event, x))
self.ua.p1xx_ts = resp.rtime
return (UacStateRinging, self.ua.ring_cbs, resp.rtime,
self.ua.origin, code)
else:
self.ua.rSDP = body.getCopy()
else:
self.ua.rSDP = None
self.ua.equeue.append(event)
self.ua.p1xx_ts = resp.rtime
return (UacStateRinging, self.ua.ring_cbs, resp.rtime,
self.ua.origin, code)
if self.ua.expire_timer != None:
self.ua.expire_timer.cancel()
self.ua.expire_timer = None
if code >= 200 and code < 300:
if resp.countHFs('contact') > 0:
self.ua.rTarget = resp.getHFBody('contact').getUrl().getCopy()
self.ua.routes = [
x.getCopy() for x in resp.getHFBodys('record-route')
]
self.ua.routes.reverse()
if len(self.ua.routes) > 0:
if not self.ua.routes[0].getUrl().lr:
self.ua.routes.append(
SipRoute(address=SipAddress(url=self.ua.rTarget)))
self.ua.rTarget = self.ua.routes.pop(0).getUrl()
self.ua.rAddr = self.ua.rTarget.getAddr()
elif self.ua.outbound_proxy != None:
self.ua.routes.append(
SipRoute(address=SipAddress(url=self.ua.rTarget)))
self.ua.rTarget = self.ua.routes[0].getUrl().getCopy()
self.ua.rTarget.lr = False
self.ua.rTarget.other = tuple()
self.ua.rTarget.headers = tuple()
else:
self.ua.rAddr = self.ua.routes[0].getAddr()
else:
self.ua.rAddr = self.ua.rTarget.getAddr()
tag = resp.getHFBody('to').getTag()
if tag == None:
print('tag-less 200 OK, disconnecting')
scode = (502, 'Bad Gateway')
self.ua.equeue.append(
CCEventFail(scode, rtime=resp.rtime,
origin=self.ua.origin))
# Generate and send BYE
if resp.countHFs('contact') > 0:
self.ua.rTarget = resp.getHFBody(
'contact').getUrl().getCopy()
self.ua.routes = [
x.getCopy() for x in resp.getHFBodys('record-route')
]
self.ua.routes.reverse()
if len(self.ua.routes) > 0:
if not self.ua.routes[0].getUrl().lr:
self.ua.routes.append(
SipRoute(address=SipAddress(url=self.ua.rTarget)))
self.ua.rTarget = self.ua.routes.pop(0).getUrl()
self.ua.rAddr = self.ua.rTarget.getAddr()
elif self.ua.outbound_proxy != None:
self.ua.routes.append(
SipRoute(address=SipAddress(url=self.ua.rTarget)))
self.ua.rTarget = self.ua.routes[0].getUrl().getCopy()
self.ua.rTarget.lr = False
self.ua.rTarget.other = tuple()
self.ua.rTarget.headers = tuple()
else:
self.ua.rAddr = self.ua.routes[0].getAddr()
else:
self.ua.rAddr = self.ua.rTarget.getAddr()
req = self.ua.genRequest('BYE')
self.ua.lCSeq += 1
self.ua.global_config['_sip_tm'].newTransaction(req, \
laddress = self.ua.source_address, compact = self.ua.compact_sip)
return (UaStateFailed, self.ua.fail_cbs, resp.rtime,
self.ua.origin, scode[0])
self.ua.rUri.setTag(tag)
if not self.ua.late_media or body == None:
self.ua.late_media = False
event = CCEventConnect(scode,
rtime=resp.rtime,
origin=self.ua.origin)
self.ua.startCreditTimer(resp.rtime)
self.ua.connect_ts = resp.rtime
rval = (UaStateConnected, self.ua.conn_cbs, resp.rtime,
self.ua.origin)
else:
event = CCEventPreConnect(scode,
rtime=resp.rtime,
origin=self.ua.origin)
tr.uack = True
self.ua.pending_tr = tr
rval = (UaStateConnected, )
if body != None:
if self.ua.on_remote_sdp_change != None:
self.ua.on_remote_sdp_change(
body,
lambda x: self.ua.delayed_remote_sdp_update(event, x))
return rval
else:
self.ua.rSDP = body.getCopy()
else:
self.ua.rSDP = None
self.ua.equeue.append(event)
return rval
if code in (301, 302) and resp.countHFs('contact') > 0:
scode = (code, reason, body,
(resp.getHFBody('contact').getUri().getCopy(), ))
self.ua.equeue.append(
CCEventRedirect(scode, rtime=resp.rtime,
origin=self.ua.origin))
elif code == 300 and resp.countHFs('contact') > 0:
redirects = tuple(x.getUri().getCopy()
for x in resp.getHFBodys('contact'))
scode = (code, reason, body, redirects)
self.ua.equeue.append(
CCEventRedirect(scode, rtime=resp.rtime,
origin=self.ua.origin))
else:
event = CCEventFail(scode, rtime=resp.rtime, origin=self.ua.origin)
if self.ua.pass_auth:
if code == 401 and resp.countHFs('www-authenticate') != 0:
event.challenge = resp.getHF('www-authenticate').getCopy()
elif code == 407 and resp.countHFs('proxy-authenticate') != 0:
event.challenge = resp.getHF(
'proxy-authenticate').getCopy()
if resp.countHFs('reason') != 0:
event.reason = resp.getHFBody('reason').getCopy()
self.ua.equeue.append(event)
self.ua.disconnect_ts = resp.rtime
return (UaStateFailed, self.ua.fail_cbs, resp.rtime, self.ua.origin,
code)
def recvEvent(self, event):
if isinstance(event, CCEventDisconnect) or isinstance(
event, CCEventFail) or isinstance(event, CCEventRedirect):
#print 'event', event, 'received in the Connected state sending BYE'
redirect = None
if isinstance(event, CCEventDisconnect):
redirect = event.getData()
elif isinstance(event, CCEventRedirect):
redirects = event.getData()
if redirects != None:
redirect = redirects[0]
if redirect != None and self.ua.useRefer:
req = self.ua.genRequest('REFER', reason=event.reason)
self.ua.lCSeq += 1
also = SipReferTo(address=redirect)
req.appendHeader(SipHeader(name='refer-to', body=also))
rby = SipReferredBy(address=SipAddress(
url=self.ua.lUri.getUrl()))
req.appendHeader(SipHeader(name='referred-by', body=rby))
self.ua.global_config['_sip_tm'].newTransaction(req, self.rComplete, \
laddress = self.ua.source_address, compact = self.ua.compact_sip)
else:
req = self.ua.genRequest('BYE', reason=event.reason)
self.ua.lCSeq += 1
if redirect != None:
also = SipAlso(address=redirect)
req.appendHeader(SipHeader(name='also', body=also))
self.ua.global_config['_sip_tm'].newTransaction(req, \
laddress = self.ua.source_address, compact = self.ua.compact_sip)
self.ua.cancelCreditTimer()
self.ua.disconnect_ts = event.rtime
return (UaStateDisconnected, self.ua.disc_cbs, event.rtime,
event.origin)
if isinstance(event, CCEventUpdate):
body = event.getData()
if str(self.ua.lSDP) == str(body):
if self.ua.rSDP != None:
self.ua.equeue.append(CCEventConnect((200, 'OK', self.ua.rSDP.getCopy()), \
rtime = event.rtime, origin = event.origin))
else:
self.ua.equeue.append(CCEventConnect((200, 'OK', None), rtime = event.rtime, \
origin = event.origin))
return None
if body != None and self.ua.on_local_sdp_change != None and body.needs_update:
try:
self.ua.on_local_sdp_change(
body,
lambda x: self.ua.recvEvent(event),
en_excpt=True)
except Exception as e:
event = CCEventFail((400, 'Malformed SDP Body'),
rtime=event.rtime)
event.setWarning(str(e))
self.ua.equeue.append(event)
return None
if event.max_forwards != None:
if event.max_forwards <= 0:
self.ua.equeue.append(
CCEventFail((483, 'Too Many Hops'), rtime=event.rtime))
return None
max_forwards_hf = SipMaxForwards(number=event.max_forwards - 1)
else:
max_forwards_hf = None
req = self.ua.genRequest('INVITE', body, reason = event.reason, \
max_forwards = max_forwards_hf)
self.ua.lCSeq += 1
self.ua.lSDP = body
self.ua.tr = self.ua.global_config['_sip_tm'].newTransaction(req, self.ua.recvResponse, \
laddress = self.ua.source_address, cb_ifver = 2, compact = self.ua.compact_sip)
return (UacStateUpdating, )
if isinstance(event, CCEventInfo):
body = event.getData()
req = self.ua.genRequest('INFO', reason=event.reason)
req.setBody(body)
self.ua.lCSeq += 1
self.ua.global_config['_sip_tm'].newTransaction(req, None, \
laddress = self.ua.source_address, compact = self.ua.compact_sip)
return None
if self.ua.pending_tr != None and isinstance(event, CCEventConnect):
if self.ua.expire_timer != None:
self.ua.expire_timer.cancel()
self.ua.expire_timer = None
code, reason, body = event.getData()
if body != None and self.ua.on_local_sdp_change != None and body.needs_update:
self.ua.on_local_sdp_change(body,
lambda x: self.ua.recvEvent(event))
return None
self.ua.startCreditTimer(event.rtime)
self.ua.connect_ts = event.rtime
self.ua.lSDP = body
self.ua.pending_tr.ack.setBody(body)
self.ua.global_config['_sip_tm'].sendACK(self.ua.pending_tr)
self.ua.pending_tr = None
for callback in self.ua.conn_cbs:
callback(self.ua, event.rtime, self.ua.origin)
return None
#print 'wrong event %s in the Connected state' % event
return None
def recvResponse(self, resp, tr):
body = resp.getBody()
code, reason = resp.getSCode()
scode = (code, reason, body)
if code < 200:
self.ua.equeue.append(
CCEventRing(scode, rtime=resp.rtime, origin=self.ua.origin))
return None
if code >= 200 and code < 300:
event = CCEventConnect(scode,
rtime=resp.rtime,
origin=self.ua.origin)
if body != None:
if self.ua.on_remote_sdp_change != None:
cb_func = lambda x: self.ua.delayed_remote_sdp_update(
event, x)
try:
self.ua.on_remote_sdp_change(body,
cb_func,
en_excpt=True)
except Exception as e:
event = CCEventFail((502, 'Bad Gateway'),
rtime=event.rtime)
event.setWarning('Malformed SDP Body received from ' \
'downstream: "%s"' % str(e))
return self.updateFailed(event)
return (UaStateConnected, )
else:
self.ua.rSDP = body.getCopy()
else:
self.ua.rSDP = None
self.ua.equeue.append(event)
return (UaStateConnected, )
if code in (301, 302) and resp.countHFs('contact') > 0:
scode = (code, reason, body,
(resp.getHFBody('contact').getUri().getCopy(), ))
event = CCEventRedirect(scode,
rtime=resp.rtime,
origin=self.ua.origin)
elif code == 300 and resp.countHFs('contact') > 0:
redirects = tuple(x.getUri().getCopy()
for x in resp.getHFBodys('contact'))
scode = (code, reason, body, redirects)
event = CCEventRedirect(scode,
rtime=resp.rtime,
origin=self.ua.origin)
else:
event = CCEventFail(scode, rtime=resp.rtime, origin=self.ua.origin)
try:
event.reason = resp.getHFBody('reason')
except:
pass
if code in (408, 481):
# If the response for a request within a dialog is a 481
# (Call/Transaction Does Not Exist) or a 408 (Request Timeout), the
# UAC SHOULD terminate the dialog. A UAC SHOULD also terminate a
# dialog if no response at all is received for the request (the
# client transaction would inform the TU about the timeout.)
return self.updateFailed(event)
self.ua.equeue.append(event)
return (UaStateConnected, )
