def getRoutingTableXML(self):
"""
Returns an XML formatted copy of the routing table.
"""
# first calculate the matrix
matrix = []
for dest_tc in self._routingtable.keys():
for src_tc in self._routingtable[dest_tc].keys():
for entry in self._routingtable[dest_tc][src_tc]:
line = [entry.getSourceTC(), entry.getDestinationTC(), entry.getGWCommunityId(),
entry.getGWMemberId(), str(entry.getCosts())]
matrix.append(line)
from messagewrapper import getRoutingTableWrapper
xml = getRoutingTableWrapper().encodeRoutingTable(matrix)
return xml
def applyRoutingTableFromNode(self, peerId, tableXml):
"""
Updates the local routing table with the information from the remote peer about its routes.
"""
from messagewrapper import getRoutingTableWrapper
matrix = getRoutingTableWrapper().decodeRoutingTable(tableXml)
## print "RoutingTableManager.apply: Extracted %d entries from Routing Table XML from Peer %s." %(len(matrix), peerId)
# what we do - we check all available entries with cost 1, whenever their destination tc is the
# source tc of any of the extracted routes; we add this one
for dest_tc in self._routingtable.keys():
for src_tc in self._routingtable[dest_tc].keys():
for entry in self._routingtable[dest_tc][src_tc]:
if entry.getCosts() == 1:
for line in matrix:
if entry.getDestinationTC() == line[0]:
newentry = RoutingTableEntry(None, entry.getSourceTC(), line[1], peerId,
line[0], int(line[4]) + 1)
self.addEntry(newentry)
