def createRequest(self, method):
if self.route_set:
route = self.route_set[:]
first_route = AddressHeader.parse(self.route_set[0])
if not first_route.uri.lr:
ruri = first_route.uri
route.append(self.remote_target_uri)
else:
ruri = URI.parse(self.remote_target_uri)
else:
ruri = URI.parse(self.remote_target_uri)
route = None
request = Request(method, ruri)
request.dialog = self
h = request.headers
if route:
h['route'] = [AddressHeader.parse(s) for s in route]
h['to'] = AddressHeader(uri=URI.parse(self.remote_uri),
params={'tag': self.remote_tag})
h['from'] = AddressHeader(uri=URI.parse(self.local_uri),
params={'tag': self.local_tag})
h['call-id'] = self.callid
h['cseq'] = CSeqHeader(self.local_cseq, method)
# XXX: follow 12.2.1.1 from rfc3261
h['contact'] = AddressHeader.parse(self.local_target_uri)
return request
def parse(cls, s):
if '\r\n\r\n' not in s:
raise MessageParsingError("Bad message (no CRLFCRLF found)")
head, content = s.split('\r\n\r\n', 1)
if not content:
content = None
if '\r\n' not in head:
first_line = head
hdrs = ''
else:
first_line, hdrs = head.split('\r\n', 1)
headers = Headers.parse(hdrs)
r = first_line.split(None, 2)
if len(r) != 3:
raise MessageParsingError("Bad first line: " + first_line)
if r[0] == cls.version:
code = int(r[1])
reason = r[2]
return Response(code, reason, headers, content)
elif r[2] == cls.version:
method = r[0]
uri = URI.parse(r[1])
return Request(method, uri, headers, content)
else:
raise MessageParsingError("Bad first line: " + first_line)
def parse(cls, s):
display_name, uri, rest = cls._parse_nameaddr(s)
if rest:
params = cls._parse_params(rest)
else:
params = None
uri = URI.parse(uri)
return cls(display_name, uri, params)
def parse(cls, s):
display_name, uri, rest = cls._parse_nameaddr(s)
if rest:
params = cls._parse_params(rest)
else:
params = None
uri = URI.parse(uri)
return cls(display_name, uri, params)
def createResponse(self, code=None, reason=None):
response = Response(code, reason)
response.transaction = self.transaction
for x in ('from', 'to', 'call-id', 'cseq', 'via'):
response.headers[x] = deepcopy(self.headers[x])
if not self.has_totag:
response.headers['to'].params['tag'] = self.response_totag
if self.dialog:
if 'record-route' in self.headers:
response.headers['record-route'] = self.headers['record-route']
contact_uri = URI.parse(self.dialog.local_target_uri)
response.headers['contact'] = AddressHeader(uri=contact_uri)
return response
def createRequest(self, method):
if self.route_set:
route = self.route_set[:]
first_route = AddressHeader.parse(self.route_set[0])
if not first_route.uri.lr:
ruri = first_route.uri
route.append(self.remote_target_uri)
else:
ruri = URI.parse(self.remote_target_uri)
else:
ruri = URI.parse(self.remote_target_uri)
route = None
request = Request(method, ruri)
request.dialog = self
h = request.headers
if route:
h['route'] = [AddressHeader.parse(s) for s in route]
h['to'] = AddressHeader(uri=URI.parse(self.remote_uri), params={'tag': self.remote_tag})
h['from'] = AddressHeader(uri=URI.parse(self.local_uri), params={'tag': self.local_tag})
h['call-id'] = self.callid
h['cseq'] = CSeqHeader(self.local_cseq, method)
# XXX: follow 12.2.1.1 from rfc3261
h['contact'] = AddressHeader.parse(self.local_target_uri)
return request
