def ring(self, ua):
if self.connect_done or self.disconnect_done:
return
event = CCEventRing((183, 'Session Progress', self.body), \
origin = 'switch')
Timeout(self.connect, self.answer_ival, 1, ua)
ua.recvEvent(event)
self.ring_done = True
def ring(self, ua):
#print('%s: ring: %s %s' % (self.my_name(), self.cli, self.ring_done, self.disconnect_done))
if self.connect_done or self.disconnect_done:
return
event = CCEventRing((180, 'Ringing', None), origin='switch')
Timeout(self.connect, self.answer_ival, 1, ua)
ua.recvEvent(event)
self.ring_done = True
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 ring(self, ua):
event = CCEventRing((180, 'Ringing', None), origin='switch')
Timeout(self.connect, self.answer_ival, 1, ua)
ua.recvEvent(event)
self.ring_done = True
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 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, )