def shortest_forwarding(self, msg, eth_type, ip_src, ip_dst):
datapath = msg.datapath
ofproto = datapath.ofproto
parser = datapath.ofproto_parser
src_sw = dst_sw = None
src_location = self.get_host_location(ip_src)
dst_location = self.get_host_location(ip_dst)
if src_location:
src_sw = src_location[0]
if dst_location:
dst_sw = dst_location[0]
path_dict = self.get_path(self.graph, src_sw)
if path_dict:
if dst_sw:
path = path_dict[src_sw][dst_sw]
path.insert(0, src_sw)
flow_info = (eth_type, ip_src, ip_dst, msg.match['in_port'])
utils.install_flow(self.datapaths, self.link_to_port,
self.access_table, path, flow_info,
msg.buffer_id, msg.data)
else:
if isinstance(msg, parser.OFPPacketIn):
self.network_aware.raise_sbp_packet_in_event(
msg, ofproto_v1_3.OFPP_LOCAL, msg.data)
else:
# Reflesh the topology database.
self.network_aware.get_topology(None)
def shortest_forwarding(self, msg, eth_type, ip_src, ip_dst):
datapath = msg.datapath
ofproto = datapath.ofproto
parser = datapath.ofproto_parser
src_sw = dst_sw = None
src_location = self.get_host_location(ip_src)
dst_location = self.get_host_location(ip_dst)
if src_location:
src_sw = src_location[0]
if dst_location:
dst_sw = dst_location[0]
path_dict = self.get_path(self.graph, src_sw)
if path_dict:
if dst_sw:
path = path_dict[src_sw][dst_sw]
path.insert(0, src_sw)
flow_info = (eth_type, ip_src, ip_dst, msg.match['in_port'])
utils.install_flow(self.datapaths, self.link_to_port,
self.access_table, path, flow_info,
msg.buffer_id, msg.data)
else:
if isinstance(msg, parser.OFPPacketIn):
self.network_aware.raise_sbp_packet_in_event(
msg, ofproto_v1_3.OFPP_LOCAL, msg.data)
else:
# Reflesh the topology database.
self.network_aware.get_topology(None)
def shortest_forwarding(self, msg, eth_type, ip_src, ip_dst):
ofproto = msg.datapath.ofproto
parser = msg.datapath.ofproto_parser
src_sw = dst_sw = outer_port = data = None
in_port = msg.match['in_port']
src_location = self.router.get_host_location(ip_src)
dst_location = self.router.get_host_location(ip_dst)
if src_location:
src_sw, in_port = src_location
else:
src_sw, in_port = self.network.vport[in_port]
if dst_location:
dst_sw = dst_location[0]
else:
for i in msg.instructions:
if isinstance(i, parser.OFPInstructionActions):
for action in i.actions:
if isinstance(action, parser.OFPActionOutput):
vport = action.port
dst_sw, outer_port = self.network.vport[vport]
break
path_dict = self.router.get_path(self.router.graph, src_sw)
if path_dict:
if dst_sw:
path = path_dict[src_sw][dst_sw]
path.insert(0, src_sw)
self.logger.debug(
" PATH[%s --> %s]:%s" % (ip_src, ip_dst, path))
flow_info = (eth_type, ip_src, ip_dst, in_port)
if (eth_type, ip_src, ip_dst) in self.buffer:
data = self.buffer[(eth_type, ip_src, ip_dst)]
del self.buffer[(eth_type, ip_src, ip_dst)]
utils.install_flow(self.router.datapaths,
self.router.link_to_port,
self.router.access_table, path, flow_info,
ofproto.OFP_NO_BUFFER, data,
outer_port=outer_port)
# we should save pakact_out data by buffer.id.
else:
self.network.get_topology(None)
