def _api_handle_path_request(self, pld, meta): request = pld.union assert isinstance(request, SCIONDPathRequest), type(request) req_id = pld.id dst_ia = request.dst_ia() src_ia = request.src_ia() if not src_ia: src_ia = self.addr.isd_as thread = threading.current_thread() thread.name = "SCIONDaemon API id:%s %s -> %s" % ( thread.ident, src_ia, dst_ia) paths, error = self.get_paths(dst_ia, flush=request.p.flags.refresh) if request.p.maxPaths: paths = paths[:request.p.maxPaths] reply_entries = [] for path_meta in paths: fwd_if = path_meta.fwd_path().get_fwd_if() # Set dummy host addr if path is empty. haddr, port = None, None if fwd_if: br = self.ifid2br[fwd_if] haddr, port = br.int_addrs.public[0] addrs = [haddr] if haddr else [] first_hop = HostInfo.from_values(addrs, port) reply_entry = SCIONDPathReplyEntry.from_values( path_meta, first_hop) reply_entries.append(reply_entry) logging.debug("Replying to api request for %s with %d paths:\n%s", dst_ia, len(paths), "\n".join([p.short_desc() for p in paths])) self._send_path_reply(req_id, reply_entries, error, meta)
def _api_handle_path_request(self, request, meta): req_id = request.id if request.p.flags.sibra: logging.warning( "Requesting SIBRA paths over SCIOND API not supported yet.") self._send_path_reply(req_id, [], SCIONDPathReplyError.INTERNAL, meta) return dst_ia = request.dst_ia() src_ia = request.src_ia() if not src_ia: src_ia = self.addr.isd_as thread = threading.current_thread() thread.name = "SCIONDaemon API id:%s %s -> %s" % (thread.ident, src_ia, dst_ia) paths, error = self.get_paths(dst_ia, flush=request.p.flags.flush) if request.p.maxPaths: paths = paths[:request.p.maxPaths] logging.debug("Replying to api request for %s with %d paths", dst_ia, len(paths)) reply_entries = [] for path_meta in paths: fwd_if = path_meta.fwd_path().get_fwd_if() # Set dummy host addr if path is empty. haddr, port = None, None if fwd_if: br = self.ifid2br[fwd_if] haddr, port = br.addr, br.port addrs = [haddr] if haddr else [] first_hop = HostInfo.from_values(addrs, port) reply_entry = SCIONDPathReplyEntry.from_values( path_meta, first_hop) reply_entries.append(reply_entry) self._send_path_reply(req_id, reply_entries, error, meta)