def on_packet_in(self, ev):
msg = ev.msg
dp = msg.datapath
dpid = dp.id
pkt_ethernet = ethernet.parser(msg.data)
pkt = pkt_ethernet[0]
for f in msg.match.fields:
if f.header == dp.ofproto.OXM_OF_IN_PORT:
in_port = f.value
# If we have a mapping packet, inform RFServer through a Map message
if pkt.ethertype == RF_ETH_PROTO:
vm_id, vm_port = struct.unpack("QB", msg.data[14:23])
log.info("Received mapping packet (vm_id=%s, vm_port=%d, "
"vs_id=%s, vs_port=%d)", format_id(vm_id), vm_port,
dpid_to_str(dpid), in_port)
msg = VirtualPlaneMap(vm_id=vm_id, vm_port=vm_port, vs_id=dpid,
vs_port=in_port)
self.ipc.send(RFSERVER_RFPROXY_CHANNEL, RFSERVER_ID, msg)
return
# If the packet came from RFVS, redirect it to the right switch port
if is_rfvs(dpid):
dp_port = self.table.vs_port_to_dp_port(dpid, in_port)
if dp_port is not None:
dp_id, dp_port = dp_port
switch = self.switches._get_switch(dp_id)
if switch is not None:
send_pkt_out(switch.dp, dp_port, msg.data)
log.debug("forwarding packet from rfvs (vs_id: %s, "
"vs_port: %d)", dpid_to_str(dp_id), dp_port)
else:
log.debug("dropped packet from rfvs (vs_id: %s, "
"vs_port: %d)", dpid_to_str(dp_id), dp_port)
else:
log.debug("Unmapped RFVS port (vs_id=%s, vs_port=%d)",
dpid_to_str(dpid), in_port)
# If the packet came from a switch, redirect it to the right RFVS port
else:
vs_port = self.table.dp_port_to_vs_port(dpid, in_port)
if vs_port is not None:
vs_id, vs_port = vs_port
switch = self.switches._get_switch(vs_id)
if switch is not None:
send_pkt_out(switch.dp, vs_port, msg.data)
log.debug("forwarding packet to rfvs (dp_id: %s, "
"dp_port: %d)", dpid_to_str(vs_id), vs_port)
else:
log.debug("dropped packet to rfvs (dp_id: %s, "
"dp_port: %d)", dpid_to_str(dp_id), dp_port)
else:
log.debug("Unmapped datapath port (dp_id=%s, dp_port=%d)",
dpid_to_str(dpid), in_port)
def on_packet_in(self, ev):
msg = ev.msg
dp = msg.datapath
dpid = dp.id
pkt, _ = ethernet.parser(msg.data)
for f in msg.match.fields:
if f.header == dp.ofproto.OXM_OF_IN_PORT:
in_port = f.value
# If we have a mapping packet, inform RFServer through a Map message
if pkt.ethertype == RF_ETH_PROTO:
vm_id, vm_port = struct.unpack("QB", msg.data[14:23])
log.info("Received mapping packet (vm_id=%s, vm_port=%d, "
"vs_id=%s, vs_port=%d)", format_id(vm_id), vm_port,
dpid_to_str(dpid), in_port)
msg = VirtualPlaneMap(vm_id=vm_id, vm_port=vm_port, vs_id=dpid,
vs_port=in_port)
self.ipc.send(RFSERVER_RFPROXY_CHANNEL, RFSERVER_ID, msg)
return
# If the packet came from RFVS, redirect it to the right switch port
if is_rfvs(dpid):
dp_port = self.table.vs_port_to_dp_port(dpid, in_port)
if dp_port is not None:
dp_id, dp_port = dp_port
switch = self.switches._get_switch(dp_id)
if switch is not None:
send_pkt_out(switch.dp, dp_port, msg.data)
log.debug("forwarding packet from rfvs (dp_id: %s, "
"dp_port: %d)", dpid_to_str(dp_id), dp_port)
else:
log.warn("dropped packet from rfvs (dp_id: %s, "
"dp_port: %d)", dpid_to_str(dp_id), dp_port)
else:
log.info("Unmapped RFVS port (vs_id=%s, vs_port=%d)",
dpid_to_str(dpid), in_port)
# If the packet came from a switch, redirect it to the right RFVS port
else:
vs_port = self.table.dp_port_to_vs_port(dpid, in_port)
if vs_port is not None:
vs_id, vs_port = vs_port
switch = self.switches._get_switch(vs_id)
if switch is not None:
send_pkt_out(switch.dp, vs_port, msg.data)
log.debug("forwarding packet to rfvs (vs_id: %s, "
"vs_port: %d)", dpid_to_str(vs_id), vs_port)
else:
log.warn("dropped packet to rfvs (vs_id: %s, "
"vs_port: %d)", dpid_to_str(dp_id), dp_port)
else:
log.info("Unmapped datapath port (dp_id=%s, dp_port=%d)",
dpid_to_str(dpid), in_port)
def test_malformed_ethernet(self):
m_short_buf = self.buf[1:ethernet._MIN_LEN]
ethernet.parser(m_short_buf)
def test_malformed_ethernet(self):
m_short_buf = self.buf[1:ethernet._MIN_LEN]
ethernet.parser(m_short_buf)
