def __init__(self,
global_config,
aor,
contact,
user=None,
passw=None,
exp=180,
rok_cb=None,
rfail_cb=None,
cb_arg=None,
target=None):
self.global_config = global_config
self.user = user
self.passw = passw
self.rok_cb = rok_cb
self.rfail_cb = rfail_cb
self.cb_arg = cb_arg
ruri = aor.getCopy()
ruri.username = None
aor.port = None
tfaddr = SipAddress(url=aor)
fr0m = SipFrom(address=tfaddr.getCopy())
fr0m.genTag()
to = SipTo(address=tfaddr)
contact = SipContact(address=SipAddress(url=contact))
contact.address.params['expires'] = '180'
self.rmsg = SipRequest(method='REGISTER',
ruri=ruri,
fr0m=fr0m,
contact=contact,
to=to,
target=target)
class SipAddressHF(SipGenericHF):
address = None
relaxedparser = False
def __init__(self, body=None, address=None):
SipGenericHF.__init__(self, body)
if body != None:
csvs = []
pidx = 0
while 1:
idx = body.find(',', pidx)
if idx == -1:
break
onum = body[:idx].count('<')
cnum = body[:idx].count('>')
qnum = body[:idx].count('"')
if (onum == 0 and cnum == 0 and qnum == 0) or (onum > 0 and \
onum == cnum and (qnum % 2 == 0)):
csvs.append(body[:idx])
body = body[idx + 1:]
pidx = 0
else:
pidx = idx + 1
if (len(csvs) > 0):
csvs.append(body)
raise ESipHeaderCSV(None, csvs)
else:
self.parsed = True
self.address = address
def parse(self):
self.address = SipAddress(self.body, relaxedparser=self.relaxedparser)
self.parsed = True
def __str__(self):
return self.localStr()
def localStr(self, local_addr=None, local_port=None):
if not self.parsed:
return self.body
return self.address.localStr(local_addr, local_port)
def getCopy(self):
if not self.parsed:
oret = self.__class__(self.body)
else:
oret = self.__class__(address=self.address.getCopy())
oret.relaxedparser = self.relaxedparser
return oret
def setBody(self, body):
self.address = body
def getUri(self):
return self.address
def getUrl(self):
return self.address.url
class SipAddressHF(SipGenericHF):
address = None
relaxedparser = False
def __init__(self, body = None, address = None):
SipGenericHF.__init__(self, body)
if body != None:
csvs = []
pidx = 0
while 1:
idx = body.find(',', pidx)
if idx == -1:
break;
onum = body[:idx].count('<')
cnum = body[:idx].count('>')
qnum = body[:idx].count('"')
if (onum == 0 and cnum == 0 and qnum == 0) or (onum > 0 and \
onum == cnum and (qnum % 2 == 0)):
csvs.append(body[:idx])
body = body[idx + 1:]
pidx = 0
else:
pidx = idx + 1
if (len(csvs) > 0):
csvs.append(body)
raise ESipHeaderCSV(None, csvs)
else:
self.parsed = True
self.address = address
def parse(self):
self.address = SipAddress(self.body, relaxedparser = self.relaxedparser)
self.parsed = True
def __str__(self):
return self.localStr()
def localStr(self, local_addr = None, local_port = None):
if not self.parsed:
return self.body
return self.address.localStr(local_addr, local_port)
def getCopy(self):
if not self.parsed:
oret = self.__class__(self.body)
else:
oret = self.__class__(address = self.address.getCopy())
oret.relaxedparser = self.relaxedparser
return oret
def setBody(self, body):
self.address = body
def getUri(self):
return self.address
def getUrl(self):
return self.address.url
def recvResponse(self, resp, tr):
code, reason = resp.getSCode()
if code < 200:
return None
if self.te != None:
self.te.cancel()
self.te = None
# When the final response arrives make sure to send BYE
# if response is positive 200 OK and move into
# UaStateDisconnected to catch any in-flight BYE from the
# called party.
#
# If the response is negative or redirect go to the UaStateDead
# immediately, since this means that we won't receive any more
# requests from the calling party. XXX: redirects should probably
# somehow reported to the upper level, but it will create
# significant additional complexity there, since after signalling
# Failure/Disconnect calling party don't expect any more
# events to be delivered from the called one. In any case,
# this should be fine, since we are in this state only when
# caller already has declared his wilingless to end the session,
# so that he is probably isn't interested in redirects anymore.
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()
self.ua.rUri.setTag(resp.getHFBody('to').getTag())
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 (UaStateDisconnected, )
return (UaStateDead, )
def __init__(self, global_config, aor, contact, user = None, passw = None, exp = 180, rok_cb = None, rfail_cb = None, cb_arg = None, target = None):
self.global_config = global_config
self.user = user
self.passw = passw
self.rok_cb = rok_cb
self.rfail_cb = rfail_cb
self.cb_arg = cb_arg
ruri = aor.getCopy()
ruri.username = None
aor.port = None
tfaddr = SipAddress(url = aor)
fr0m = SipFrom(address = tfaddr.getCopy())
fr0m.genTag()
to = SipTo(address = tfaddr)
contact = SipContact(address = SipAddress(url = contact))
contact.address.params['expires'] = '180'
self.rmsg = SipRequest(method = 'REGISTER', ruri = ruri, fr0m = fr0m, contact = contact, to = to, target = target)
class SipFrom(SipAddressHF):
hf_names = ('from', 'f')
relaxedparser = True
def __init__(self, body=None, address=None):
SipAddressHF.__init__(self, body, address)
if body == None and address == None:
self.address = SipAddress(name='Anonymous',
url=SipURL(host=SipConf.my_address,
port=SipConf.my_port))
def getTag(self):
return self.address.getParam('tag')
def genTag(self):
salt = str((random() * 1000000000) + time())
self.address.setParam('tag', md5(salt.encode()).hexdigest())
def setTag(self, value):
self.address.setParam('tag', value)
def delTag(self):
self.address.delParam('tag')
def getCanName(self, name, compact=False):
if compact:
return 'f'
return 'From'
def __init__(self, buf = None, method = None, ruri = None, sipver = 'SIP/2.0', to = None, fr0m = None, via = None, cseq = None, \
callid = None, maxforwards = None, body = None, contact = None, routes = (), target = None, cguid = None,
user_agent = None, expires = None):
SipMsg.__init__(self, buf)
if buf != None:
try:
SipMsg.init_body(self)
except ESipParseException as e:
try:
e.sip_response = self.genResponse(
400, 'Bad Request - %s' % str(e))
except Exception as e1:
print('BUG: Double exception, should not be happening:\n',
str(e1))
raise e
return
self.method = method
self.ruri = ruri
if target == None:
if len(routes) == 0:
self.setTarget(self.ruri.getAddr())
else:
self.setTarget(routes[0].getAddr())
else:
self.setTarget(target)
self.sipver = sipver
self.appendHeader(SipHeader(name='via', body=via))
if via == None:
self.getHFBody('via').genBranch()
self.appendHeaders([SipHeader(name='route', body=x) for x in routes])
self.appendHeader(SipHeader(name='max-forwards', body=maxforwards))
self.appendHeader(SipHeader(name='from', body=fr0m))
if to == None:
to = SipTo(address=SipAddress(url=ruri))
self.appendHeader(SipHeader(name='to', body=to))
self.appendHeader(SipHeader(name='call-id', body=callid))
self.appendHeader(
SipHeader(name='cseq', body=SipCSeq(cseq=cseq, method=method)))
if contact != None:
self.appendHeader(SipHeader(name='contact', body=contact))
if expires == None and method == 'INVITE':
expires = SipHeader(name='expires')
self.appendHeader(expires)
elif expires != None:
expires = SipHeader(name='expires', body=expires)
self.appendHeader(expires)
if user_agent != None:
self.user_agent = user_agent
self.appendHeader(SipHeader(name='user-agent', bodys=user_agent))
else:
self.appendHeader(SipHeader(name='user-agent'))
if cguid != None:
self.appendHeader(SipHeader(name='cisco-guid', body=cguid))
self.appendHeader(SipHeader(name='h323-conf-id', body=cguid))
if body != None:
self.setBody(body)
def __init__(self, body=None, address=None):
if body == '*':
SipGenericHF.__init__(self, body)
self.asterisk = True
return
SipAddressHF.__init__(self, body, address)
if body == None and address == None:
self.address = SipAddress(name='Anonymous',
url=SipURL(host=SipConf.my_address,
port=SipConf.my_port))
def __init__(self, body=None, address=None):
SipAddressHF.__init__(self, body, address)
if body == None and address == None:
self.address = SipAddress(name='Anonymous',
url=SipURL(host=SipConf.my_address,
port=SipConf.my_port))
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 incomingResponse(self, msg, t, checksum):
# In those two states upper level already notified, only do ACK retransmit
# if needed
if t.state == TERMINATED:
return
if t.state == TRYING:
# Stop timers
if t.teA != None:
t.teA.cancel()
t.teA = None
if t.state in (TRYING, RINGING):
if t.teB != None:
t.teB.cancel()
t.teB = None
if msg.getSCode()[0] < 200:
# Privisional response - leave everything as is, except that
# change state and reload timeout timer
if t.state == TRYING:
t.state = RINGING
if t.cancelPending:
self.newTransaction(t.cancel, userv=t.userv)
t.cancelPending = False
t.teB = Timeout(self.timerB, t.expires, 1, t)
self.l1rcache[checksum] = SipTMRetransmitO()
if t.resp_cb != None:
if t.cb_ifver == 1:
t.resp_cb(msg)
else:
t.resp_cb(msg, t)
else:
# Final response - notify upper layer and remove transaction
if t.resp_cb != None:
if t.cb_ifver == 1:
t.resp_cb(msg)
else:
t.resp_cb(msg, t)
if t.needack:
# Prepare and send ACK if necessary
fcode = msg.getSCode()[0]
tag = msg.getHFBody('to').getTag()
if tag != None:
t.ack.getHFBody('to').setTag(tag)
rAddr = None
if msg.getSCode()[0] >= 200 and msg.getSCode()[0] < 300:
# Some hairy code ahead
if msg.countHFs('contact') > 0:
rTarget = msg.getHFBody(
'contact').getUrl().getCopy()
else:
rTarget = None
routes = [
x.getCopy() for x in msg.getHFBodys('record-route')
]
routes.reverse()
if len(routes) > 0:
if not routes[0].getUrl().lr:
if rTarget != None:
routes.append(
SipRoute(address=SipAddress(
url=rTarget)))
rTarget = routes.pop(0).getUrl()
rAddr = rTarget.getAddr()
else:
rAddr = routes[0].getAddr()
elif rTarget != None:
rAddr = rTarget.getAddr()
if rTarget != None:
t.ack.setRURI(rTarget)
if rAddr != None:
t.ack.setTarget(rAddr)
t.ack.delHFs('route')
t.ack.appendHeaders(
[SipHeader(name='route', body=x) for x in routes])
if fcode >= 200 and fcode < 300:
t.ack.getHFBody('via').genBranch()
if rAddr == None:
rAddr = t.address
if not t.uack:
self.transmitMsg(t.userv, t.ack, rAddr, checksum,
t.compact)
if t.req_out_cb != None:
t.req_out_cb(t.ack)
else:
t.state = UACK
t.ack_rAddr = rAddr
t.ack_checksum = checksum
self.l1rcache[checksum] = SipTMRetransmitO()
t.teG = Timeout(self.timerG, 64, 1, t)
return
else:
self.l1rcache[checksum] = SipTMRetransmitO()
del self.tclient[t.tid]
t.cleanup()
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 parse(self):
self.address = SipAddress(self.body, relaxedparser = self.relaxedparser)
self.parsed = True
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:
if 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
else:
self.ua.late_media = True
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), compact=self.ua.compact_sip)
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
if self.ua.lContact == None:
self.ua.lContact = SipContact()
self.ua.lContact.getUrl().username = callingID
self.ua.routes = []
self.ua.cGUID = cGUID
self.ua.lSDP = body
event.onUacSetupComplete(self.ua)
req = self.ua.genRequest('INVITE', body, reason = event.reason, \
max_forwards = event.max_forwards)
self.ua.lCSeq += 1
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)
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 = TimeoutAbsMono(
self.ua.no_reply_expires, self.ua.no_reply_time)
elif self.ua.no_progress_time != None:
self.ua.no_progress_timer = TimeoutAbsMono(
self.ua.no_progress_expires, self.ua.no_progress_time)
elif self.ua.expire_time != None:
self.ua.expire_timer = TimeoutAbsMono(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 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:
pass
# 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 = TimeoutAbsMono(
self.ua.no_progress_expires, self.ua.no_progress_time)
elif self.ua.expire_time != None:
self.ua.expire_timer = TimeoutAbsMono(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 parse(self):
self.address = SipAddress(self.body, relaxedparser=self.relaxedparser)
self.parsed = True
