def startCreditTimer(self, rtime):
if self.credit_time != None:
self.credit_times[0] = rtime + self.credit_time
self.credit_time = None
try:
credit_time = min([x for x in self.credit_times.values() if x != None])
except ValueError:
return
self.credit_timer = TimeoutAbs(self.credit_expires, credit_time, credit_time)
def recvEvent(self, event):
if isinstance(event, CCEventRing):
scode = event.getData()
if scode == None:
code, reason, body = (180, 'Ringing', None)
else:
code, reason, body = scode
if code == 100:
return None
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.lSDP = body
self.ua.sendUasResponse(code, reason, body)
if self.ua.no_progress_timer != None:
self.ua.no_progress_timer.cancel()
self.ua.no_progress_timer = None
if self.ua.expire_time != None:
self.ua.expire_timer = TimeoutAbs(self.ua.expires,
self.ua.expire_time)
if self.ua.p1xx_ts == None:
self.ua.p1xx_ts = event.rtime
return (UasStateRinging, self.ua.ring_cbs, event.rtime,
event.origin, code)
elif isinstance(event, CCEventConnect) or isinstance(
event, CCEventPreConnect):
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
if event.extra_headers != None:
extra_headers = tuple(event.extra_headers)
else:
extra_headers = None
self.ua.lSDP = body
if self.ua.no_progress_timer != None:
self.ua.no_progress_timer.cancel()
self.ua.no_progress_timer = None
if isinstance(event, CCEventConnect):
self.ua.sendUasResponse(code, reason, body, self.ua.lContact, ack_wait=False, \
extra_headers=extra_headers)
if self.ua.expire_timer != None:
self.ua.expire_timer.cancel()
self.ua.expire_timer = None
self.ua.startCreditTimer(event.rtime)
self.ua.connect_ts = event.rtime
return (UaStateConnected, self.ua.conn_cbs, event.rtime,
event.origin)
else:
self.ua.sendUasResponse(code, reason, body, self.ua.lContact, ack_wait=True, \
extra_headers=extra_headers)
return (UaStateConnected, )
elif isinstance(event, CCEventRedirect):
scode = event.getData()
if scode == None:
scode = (500, 'Failed', None, None)
self.ua.sendUasResponse(
scode[0], scode[1], scode[2],
SipContact(address=SipAddress(url=scode[3])))
if self.ua.expire_timer != None:
self.ua.expire_timer.cancel()
self.ua.expire_timer = None
if self.ua.no_progress_timer != None:
self.ua.no_progress_timer.cancel()
self.ua.no_progress_timer = None
self.ua.disconnect_ts = event.rtime
return (UaStateFailed, self.ua.fail_cbs, event.rtime, event.origin,
scode[0])
elif isinstance(event, CCEventFail):
scode = event.getData()
if scode == None:
scode = (500, 'Failed')
extra_headers = []
if event.extra_headers != None:
extra_headers.extend(event.extra_headers)
if event.challenge != None:
extra_headers.append(event.challenge)
if len(extra_headers) == 0:
extra_headers = None
else:
extra_headers = tuple(extra_headers)
self.ua.sendUasResponse(scode[0], scode[1], reason_rfc3326=event.reason, \
extra_headers=extra_headers)
if self.ua.expire_timer != None:
self.ua.expire_timer.cancel()
self.ua.expire_timer = None
if self.ua.no_progress_timer != None:
self.ua.no_progress_timer.cancel()
self.ua.no_progress_timer = None
self.ua.disconnect_ts = event.rtime
return (UaStateFailed, self.ua.fail_cbs, event.rtime, event.origin,
scode[0])
elif isinstance(event, CCEventDisconnect):
# import sys, traceback
# traceback.print_stack(file = sys.stdout)
self.ua.sendUasResponse(500,
'Disconnected',
reason_rfc3326=event.reason)
if self.ua.expire_timer != None:
self.ua.expire_timer.cancel()
self.ua.expire_timer = None
if self.ua.no_progress_timer != None:
self.ua.no_progress_timer.cancel()
self.ua.no_progress_timer = None
self.ua.disconnect_ts = event.rtime
return (UaStateDisconnected, self.ua.disc_cbs, event.rtime,
event.origin, self.ua.last_scode)
# print 'wrong event %s in the Trying state' % event
return None
def recvRequest(self, req):
if req.getMethod() != 'INVITE':
#print 'wrong request %s in the Trying state' % req.getMethod()
return None
self.ua.origin = 'caller'
#print 'INVITE received in the Idle state, going to the Trying state'
if req.countHFs('cisco-guid') != 0:
try:
self.ua.cGUID = req.getHFBody('cisco-guid').getCopy()
except:
self.ua.cGUID = SipCiscoGUID()
elif req.countHFs('h323-conf-id') != 0:
try:
self.ua.cGUID = req.getHFBody('h323-conf-id').getCopy()
except:
self.ua.cGUID = SipCiscoGUID()
else:
self.ua.cGUID = SipCiscoGUID()
self.ua.uasResp = req.genResponse(100,
'Trying',
server=self.ua.local_ua)
self.ua.lCSeq = 100 # XXX: 100 for debugging so that incorrect CSeq generation will be easily spotted
if self.ua.lContact == None:
self.ua.lContact = SipContact()
self.ua.rTarget = req.getHFBody('contact').getUrl().getCopy()
self.ua.routes = [
x.getCopy() for x in self.ua.uasResp.getHFBodys('record-route')
]
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()
self.ua.rAddr0 = self.ua.rAddr
self.ua.global_config['_sip_tm'].sendResponse(
self.ua.uasResp, lossemul=self.ua.uas_lossemul)
self.ua.uasResp.getHFBody('to').setTag(self.ua.lTag)
self.ua.lUri = SipFrom(
address=self.ua.uasResp.getHFBody('to').getUri())
self.ua.rUri = SipTo(
address=self.ua.uasResp.getHFBody('from').getUri())
self.ua.cId = self.ua.uasResp.getHFBody('call-id')
self.ua.global_config['_sip_tm'].regConsumer(
self.ua, str(self.ua.cId), compact=self.ua.compact_sip)
if req.countHFs('authorization') == 0:
auth = None
else:
auth = req.getHFBody('authorization').getCopy()
body = req.getBody()
self.ua.branch = req.getHFBody('via').getBranch()
event = CCEventTry((self.ua.cId, self.ua.cGUID, self.ua.rUri.getUrl().username, req.getRURI().username, body, auth, \
self.ua.rUri.getUri().name), rtime = req.rtime, origin = self.ua.origin)
try:
event.reason = req.getHFBody('reason')
except:
pass
try:
event.max_forwards = req.getHFBody('max-forwards').getNum()
except:
pass
if self.ua.expire_time != None:
self.ua.expire_time += event.rtime
if self.ua.no_progress_time != None:
self.ua.no_progress_time += event.rtime
if self.ua.expire_time != None and self.ua.no_progress_time >= self.ua.expire_time:
self.ua.no_progress_time = None
if self.ua.no_progress_time != None:
self.ua.no_progress_timer = TimeoutAbs(self.ua.no_progress_expires,
self.ua.no_progress_time)
elif self.ua.expire_time != None:
self.ua.expire_timer = TimeoutAbs(self.ua.expires,
self.ua.expire_time)
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.setup_ts = req.rtime
return (UasStateTrying, )
else:
self.ua.rSDP = body.getCopy()
else:
self.ua.rSDP = None
self.ua.equeue.append(event)
self.ua.setup_ts = req.rtime
return (UasStateTrying, )
def recvEvent(self, event):
if isinstance(event, CCEventTry):
if self.ua.setup_ts == None:
self.ua.setup_ts = event.rtime
self.ua.origin = 'callee'
cId, cGUID, callingID, calledID, body, auth, callingName = 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
if cId == None:
self.ua.cId = SipCallId()
else:
self.ua.cId = cId.getCopy()
self.ua.global_config['_sip_tm'].regConsumer(
self.ua, str(self.ua.cId))
self.ua.rTarget = SipURL(username=calledID,
host=self.ua.rAddr0[0],
port=self.ua.rAddr0[1])
self.ua.rUri = SipTo(address=SipAddress(
url=self.ua.rTarget.getCopy(), hadbrace=True))
self.ua.rUri.getUrl().port = None
self.ua.lUri = SipFrom(address=SipAddress(url=SipURL(
username=callingID),
hadbrace=True,
name=callingName))
self.ua.lUri.getUrl().port = None
self.ua.lUri.setTag(self.ua.lTag)
self.ua.lCSeq = 200
self.ua.lContact = SipContact()
self.ua.lContact.getUrl().username = callingID
self.ua.routes = []
self.ua.cGUID = cGUID
self.ua.lSDP = body
req = self.ua.genRequest('INVITE', body, reason=event.reason)
self.ua.lCSeq += 1
self.ua.tr = self.ua.global_config['_sip_tm'].newTransaction(req, self.ua.recvResponse, \
laddress = self.ua.source_address)
self.ua.auth = None
if self.ua.expire_time != None:
self.ua.expire_time += event.rtime
if self.ua.no_progress_time != None:
self.ua.no_progress_time += event.rtime
if self.ua.expire_time != None and self.ua.no_progress_time >= self.ua.expire_time:
self.ua.no_progress_time = None
if self.ua.no_reply_time != None:
if self.ua.no_reply_time < 32:
self.ua.no_reply_time += event.rtime
if self.ua.expire_time != None and self.ua.no_reply_time >= self.ua.expire_time:
self.ua.no_reply_time = None
elif self.ua.no_progress_time != None and self.ua.no_reply_time >= self.ua.no_progress_time:
self.ua.no_reply_time = None
else:
self.ua.no_reply_time = None
if self.ua.no_reply_time != None:
self.ua.no_reply_timer = TimeoutAbs(self.ua.no_reply_expires,
self.ua.no_reply_time)
elif self.ua.no_progress_time != None:
self.ua.no_progress_timer = TimeoutAbs(
self.ua.no_progress_expires, self.ua.no_progress_time)
elif self.ua.expire_time != None:
self.ua.expire_timer = TimeoutAbs(self.ua.expires,
self.ua.expire_time)
return (UacStateTrying, )
if isinstance(event, CCEventFail) or isinstance(
event, CCEventRedirect) or isinstance(event,
CCEventDisconnect):
return (UaStateDead, self.ua.disc_cbs, event.rtime, event.origin)
return None
def recvResponse(self, resp):
body = resp.getBody()
code, reason = resp.getSCode()
scode = (code, reason, body)
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 = TimeoutAbs(
self.ua.no_progress_expires, self.ua.no_progress_time)
elif code < 200 and self.ua.expire_time != None:
self.ua.expire_timer = TimeoutAbs(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 = TimeoutAbs(self.ua.expires,
self.ua.expire_time)
if code < 200:
self.ua.last_scode = code
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.getCopy())))
self.ua.rTarget = self.ua.routes.pop(0).getUrl()
self.ua.rAddr = self.ua.rTarget.getAddr()
else:
self.ua.rAddr = self.ua.routes[0].getAddr()
else:
self.ua.rAddr = self.ua.rTarget.getAddr()
self.ua.rUri.setTag(resp.getHFBody('to').getTag())
event = CCEventConnect(scode,
rtime=resp.rtime,
origin=self.ua.origin)
self.ua.startCreditTimer(resp.rtime)
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.connect_ts = resp.rtime
return (UaStateConnected, self.ua.conn_cbs, resp.rtime,
self.ua.origin)
else:
self.ua.rSDP = body.getCopy()
else:
self.ua.rSDP = None
self.ua.equeue.append(event)
self.ua.connect_ts = resp.rtime
return (UaStateConnected, self.ua.conn_cbs, resp.rtime,
self.ua.origin)
if code in (301, 302) and resp.countHFs('contact') > 0:
scode = (code, reason, body,
resp.getHFBody('contact').getUrl().getCopy())
self.ua.equeue.append(
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
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)
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 = TimeoutAbs(
self.ua.no_progress_expires, self.ua.no_progress_time)
elif code < 200 and self.ua.expire_time != None:
self.ua.expire_timer = TimeoutAbs(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 = TimeoutAbs(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)
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').getUrl().getCopy())
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)