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