def ksr_route_withindlg(self, msg):
if KSR.siputils.has_totag()<0 :
return 1;
# sequential request withing a dialog should
# take the path determined by record-routing
if KSR.rr.loose_route()>0 :
if self.ksr_route_dlguri(msg)==-255 :
return -255;
if KSR.is_BYE() :
# do accounting ...
KSR.setflag(FLT_ACC);
# ... even if the transaction fails
KSR.setflag(FLT_ACCFAILED);
elif KSR.is_ACK() :
# ACK is forwarded statelessly
if self.ksr_route_natmanage(msg)==-255 :
return -255;
elif KSR.is_NOTIFY() :
# Add Record-Route for in-dialog NOTIFY as per RFC 6665.
KSR.rr.record_route();
self.ksr_route_relay(msg);
return -255;
if KSR.is_ACK() :
if KSR.tm.t_check_trans() >0 :
# no loose-route, but stateful ACK;
# must be an ACK after a 487
# or e.g. 404 from upstream server
self.ksr_route_relay(msg);
return -255;
else:
# ACK without matching transaction ... ignore and discard
return -255;
KSR.sl.sl_send_reply(404, "Not here");
return -255;
def ksr_route_withindlg(self, msg):
if KSR.siputils.has_totag() < 0:
return 1
# sequential request withing a dialog should
# take the path determined by record-routing
if KSR.rr.loose_route() > 0:
if self.ksr_route_dlguri(msg) == -255:
return -255
if KSR.is_BYE():
# do accounting ...
KSR.setflag(FLT_ACC)
# ... even if the transaction fails
KSR.setflag(FLT_ACCFAILED)
elif KSR.is_ACK():
# ACK is forwarded statelessly
if self.ksr_route_natmanage(msg) == -255:
return -255
elif KSR.is_NOTIFY():
# Add Record-Route for in-dialog NOTIFY as per RFC 6665.
KSR.rr.record_route()
self.ksr_route_relay(msg)
return -255
if KSR.is_ACK():
if KSR.tm.t_check_trans() > 0:
# no loose-route, but stateful ACK;
# must be an ACK after a 487
# or e.g. 404 from upstream server
self.ksr_route_relay(msg)
return -255
else:
# ACK without matching transaction ... ignore and discard
return -255
KSR.sl.sl_send_reply(404, "Not here")
return -255
def ksr_request_route(self, msg):
# per request initial checks
if self.ksr_route_reqinit() == -255:
return 1
# NAT detection
if self.ksr_route_natdetect() == -255:
return 1
# CANCEL processing
if KSR.is_CANCEL():
self.manage_call_status(KSR.pv.getw("$fU"), 'del')
KSR.xlog.xinfo("CANCELing request from $fU:$si")
if KSR.tm.t_check_trans() > 0:
self.ksr_route_relay()
return 1
if KSR.is_BYE():
self.manage_call_status(KSR.pv.getw("$fU"), 'del')
# handle requests within SIP dialogs
if self.ksr_route_withindlg() == -255:
return 1
# handle retransmissions
if (not KSR.is_ACK()) and (KSR.tmx.t_precheck_trans() > 0):
KSR.tm.t_check_trans()
return 1
if KSR.tm.t_check_trans() == 0:
return 1
### only initial requests (no To tag)
# record routing for dialog forming requests (in case they are routed)
# - remove preloaded route headers
KSR.hdr.remove("Route")
#if KSR.is_method_in("IS") :
# KSR.rr.record_route()
if KSR.is_INVITE() and KSR.pv.is_null("$rU"):
KSR.sl.sl_send_reply(484, "Address Incomplete")
return 1
if KSR.is_method_in("IR"):
#r = redis.StrictRedis(host='127.0.0.1', port=6379, db=10, password='******')
r = redis.StrictRedis(host='127.0.0.1', port=6379, db=10, decode_responses=True)
if r.get("{}:{}".format(KSR.pv.getw("$fU"), KSR.pv.getw("$rU"))) or r.get(KSR.pv.getw("$rU")) or r.get(KSR.pv.getw("$tU")):
KSR.sl.sl_send_reply(503, "There is no money.")
return -255
if KSR.is_INVITE():
if (KSR.dispatcher.ds_is_from_list(self.DSIDS['MEDIASERVERS']) > 0 or KSR.dispatcher.ds_is_from_list(self.DSIDS['CALLERS']) > 0):
KSR.setflag(self.FLAGS['FLT_FROM_ASTERISK'])
KSR.setflag(self.FLAGS['FLT_SKIP_AUTH'])
if (KSR.dispatcher.ds_is_from_list(self.DSIDS['GW']) > 0):
KSR.setflag(self.FLAGS['FLT_FROM_GW'])
KSR.setflag(self.FLAGS['FLT_SKIP_AUTH'])
if self.GLOBALS['WITH_ASYNC_FRAMEWORK']:
KSR.asynk.task_route("ksr_route_async_auth")
else:
if self.ksr_route_async_auth(msg) == -255:
return 1
else:
KSR.xlog.xerr("Запрос $ru от $fu :: $si дошел до конца request_route и не был обработан")
KSR.sl.sl_send_reply("404", "Out of order")
return 1
