def create_request(self,
code,
to_uri,
uri=None,
tag=None,
call_id=None,
cseq=None):
""" Create a request outside of a dialog """
# 8.1.1 Generating the Request (UAC Behavior)
if uri is None:
uri = to_uri
if tag is None:
tag = self._generate_tag()
if call_id is None:
call_id = self._generate_call_id()
if cseq is None:
cseq = self._generate_cseq()
request = SIPRequest(code, uri)
request.add_header("To", SIPContact("0", to_uri))
request.add_header("From", SIPContact("0", self.self_uri, tag))
request.add_header("Call-Id", call_id)
request.add_header("CSeq", SIPCSeq(cseq, code))
return request
def _create_request(self, code, cseq=None):
# 12.2.1 UAC Behavior (Requests within a Dialog)
route = self._route_set
if not route:
uri = self._remote_target
elif ';lr' in route[0]:
uri = self._remote_target
else:
uri = route.pop(0)
route.append(self._remote_target)
if not self._local_cseq:
self._local_cseq = 1 # FIXME 8.1.1.5
if not cseq:
self._local_cseq += 1
cseq = self._local_cseq
request = SIPRequest(code, self._remote_target)
if route:
request.add_header("Route", SIPRoute(route))
request.add_header("To", SIPContact(None, self._remote_uri, self._remote_tag))
request.add_header("From", SIPContact(None, self._local_uri, self._local_tag))
request.add_header("Call-ID", self._call_id)
request.add_header("CSeq", SIPCSeq(cseq, code))
return request
def create_request(self, code, to_uri, uri=None, tag=None, call_id=None,
cseq=None):
""" Create a request outside of a dialog """
# 8.1.1 Generating the Request (UAC Behavior)
if uri is None:
uri = to_uri
if tag is None:
tag = self._generate_tag()
if call_id is None:
call_id = self._generate_call_id()
if cseq is None:
cseq = self._generate_cseq()
request = SIPRequest(code, uri)
request.add_header("To", SIPContact("0", to_uri))
request.add_header("From", SIPContact("0", self.self_uri, tag))
request.add_header("Call-Id", call_id)
request.add_header("CSeq", SIPCSeq(cseq, code))
return request
def build_request(self, code, uri, to, name="0", incr=False):
request = SIPRequest(code, uri)
request.add_header("Via", "SIP/2.0/%s %s:%s" %
(self._transport_protocol, self._ip, self._port))
request.add_header("Max-Forwards", 70)
request.add_header("Call-ID", self.id)
request.add_header("CSeq", "%i %s" % (self.get_cseq(incr), code))
request.add_header("To", to)
request.add_header("From", self.build_from_header(name))
request.add_header("User-Agent", USER_AGENT)
return request
def _create_cancel_request(self, original_request):
# 9.1 Client Behavior (Canceling a request)
request = SIPRequest("CANCEL", original_request.uri)
request.clone_headers("Route", original_request)
request.clone_headers("To", original_request)
request.clone_headers("From", original_request)
request.clone_headers("Call-ID", original_request)
cseq = original_request.cseq.number
request.add_header("CSeq", SIPCSeq(cseq, "CANCEL"))
return request
def _create_request(self, code, cseq=None):
# 12.2.1 UAC Behavior (Requests within a Dialog)
route = self._route_set
if not route:
uri = self._remote_target
elif ';lr' in route[0]:
uri = self._remote_target
else:
uri = route.pop(0)
route.append(self._remote_target)
if not self._local_cseq:
self._local_cseq = 1 # FIXME 8.1.1.5
if not cseq:
self._local_cseq += 1
cseq = self._local_cseq
request = SIPRequest(code, self._remote_target)
if route:
request.add_header("Route", SIPRoute(route))
request.add_header(
"To", SIPContact(None, self._remote_uri, self._remote_tag))
request.add_header("From",
SIPContact(None, self._local_uri, self._local_tag))
request.add_header("Call-ID", self._call_id)
request.add_header("CSeq", SIPCSeq(cseq, code))
return request
def _create_ack_request(self, response):
# 17.1.1.3 Construction of the ACK Request
request = SIPRequest("ACK", self._request.uri)
request.clone_headers("Route", self._request)
request.clone_headers("To", response)
request.clone_headers("From", self._request)
request.clone_headers("Call-ID", self._request)
request.clone_headers("Via", self._request) #FIXME single via
request.add_header("CSeq", SIPCSeq(self._request.cseq.number, "ACK"))
return request
def _create_ack_request(self, response):
# 17.1.1.3 Construction of the ACK Request
request = SIPRequest("ACK", self._request.uri)
request.clone_headers("Route", self._request)
request.clone_headers("To", response)
request.clone_headers("From", self._request)
request.clone_headers("Call-ID", self._request)
request.clone_headers("Via", self._request) #FIXME single via
request.add_header("CSeq", SIPCSeq(self._request.cseq.number, "ACK"))
return request
def _create_cancel_request(self, original_request):
# 9.1 Client Behavior (Canceling a request)
request = SIPRequest("CANCEL", original_request.uri)
request.clone_headers("Route", original_request)
request.clone_headers("To", original_request)
request.clone_headers("From", original_request)
request.clone_headers("Call-ID", original_request)
cseq = original_request.cseq.number
request.add_header("CSeq", SIPCSeq(cseq, "CANCEL"))
return request