def fire_send_fv_packets(self):
time_val = time.time() * 1000
logger.info("Sending FV Packets rate: " + str(self.fv_pkt_rate) +
" with vlan: " + str(self.FV_VLAN_ID) + " packets: " +
str(len(self.packets)))
for pkt in self.packets:
logger.info("Packet:")
packet = ethernet()
packet.src = '\x00' + struct.pack('!Q', pkt[0])[3:8]
packet.dst = NDP_MULTICAST
payload = struct.pack('QHQHq', pkt[0], pkt[1], pkt[2], pkt[3],
time_val)
if (self.FV_VLAN_ID != None and self.FV_VLAN_ID != 65535):
vlan_packet = vlan()
vlan_packet.id = self.FV_VLAN_ID
vlan_packet.c = 0
vlan_packet.pcp = 0
vlan_packet.eth_type = 0x88b6
vlan_packet.set_payload(payload)
packet.set_payload(vlan_packet)
packet.type = ethernet.VLAN_TYPE
else:
packet.set_payload(payload)
packet.type = 0x88b6
Component.send_openflow_packet(pkt[0], packet.tostring(),
int(pkt[1]))
self.post_callback(fv_pkt_rate_interval, self.fire_send_fv_packets)
def send_traceroute_packet(self, **kwargs):
logger.debug("Sending pack to trigger process_trace_packet.")
dpid = kwargs.get('dpid')
my_vlan = kwargs.get('my_vlan')
out_port = kwargs.get('out_port')
data = kwargs.get('data')
#build ethernet packet
packet = ethernet()
packet.src = '\x00' + struct.pack('!Q', dpid)[3:8]
packet.dst = TRACEROUTE_MAC
#pack circuit_id into payload
payload = struct.pack('I', data)
if (my_vlan != None and my_vlan != 65535):
vlan_packet = vlan()
vlan_packet.id = my_vlan
vlan_packet.c = 0
vlan_packet.pcp = 0
vlan_packet.eth_type = 0x88b5
vlan_packet.set_payload(payload)
packet.set_payload(vlan_packet)
packet.type = ethernet.VLAN_TYPE
else:
packet.set_payload(payload)
packet.type = 0x88b5
Component.send_openflow_packet(self, int(dpid), packet.tostring(),
int(out_port))
return
def send_traceroute_packet(self, dpid, my_vlan, out_port, data):
#build ethernet packet
packet = ethernet()
packet.src = '\x00' + struct.pack('!Q', dpid)[3:8]
packet.dst = TRACEROUTE_MAC
#pack circuit_id into payload
payload = struct.pack('I', data)
if (my_vlan != None and my_vlan != 65535):
vlan_packet = vlan()
vlan_packet.id = my_vlan
vlan_packet.c = 0
vlan_packet.pcp = 0
vlan_packet.eth_type = 0x88b5
vlan_packet.set_payload(payload)
packet.set_payload(vlan_packet)
packet.type = ethernet.VLAN_TYPE
else:
packet.set_payload(payload)
packet.type = 0x88b5
inst.send_openflow_packet(int(dpid), packet.tostring(), int(out_port))
return
def fire_send_fv_packets(self):
time_val = time() * 1000
logger.info("Sending FV Packets rate: " + str(self.sg.fv_pkt_rate) + " with vlan: " + str(self.sg.VLAN_ID) + " packets: " + str(len(self.sg.packets)))
for pkt in self.sg.packets:
logger.info("Packet:")
packet = ethernet()
packet.src = '\x00' + struct.pack('!Q',pkt[0])[3:8]
packet.dst = NDP_MULTICAST
payload = struct.pack('QHQHq',pkt[0],pkt[1],pkt[2],pkt[3],time_val)
if(self.sg.VLAN_ID != None and self.sg.VLAN_ID != 65535):
vlan_packet = vlan()
vlan_packet.id = self.sg.VLAN_ID
vlan_packet.c = 0
vlan_packet.pcp = 0
vlan_packet.eth_type = 0x88b6
vlan_packet.set_payload(payload)
packet.set_payload(vlan_packet)
packet.type = ethernet.VLAN_TYPE
else:
packet.set_payload(payload)
packet.type = 0x88b6
inst.send_openflow_packet(pkt[0], packet.tostring(), int(pkt[1]))
self.post_callback(fv_pkt_rate, self.fire_send_fv_packets)
def send_traceroute_packet(self,dpid,my_vlan,out_port,data):
#build ethernet packet
packet = ethernet()
packet.src = '\x00' + struct.pack('!Q',dpid)[3:8]
packet.dst = TRACEROUTE_MAC
#pack circuit_id into payload
payload = struct.pack('I',data)
if(my_vlan != None and my_vlan != 65535):
vlan_packet = vlan()
vlan_packet.id = my_vlan
vlan_packet.c = 0
vlan_packet.pcp = 0
vlan_packet.eth_type = 0x88b5
vlan_packet.set_payload(payload)
packet.set_payload(vlan_packet)
packet.type = ethernet.VLAN_TYPE
else:
packet.set_payload(payload)
packet.type = 0x88b5
inst.send_openflow_packet(int(dpid), packet.tostring(),int(out_port))
return
def send_traceroute_packet(self, **kwargs):
logger.debug("Sending pack to trigger process_trace_packet.")
dpid = kwargs.get('dpid')
my_vlan = kwargs.get('my_vlan')
out_port = kwargs.get('out_port')
data = kwargs.get('data')
#build ethernet packet
packet = ethernet()
packet.src = '\x00' + struct.pack('!Q',dpid)[3:8]
packet.dst = TRACEROUTE_MAC
#pack circuit_id into payload
payload = struct.pack('I',data)
if(my_vlan != None and my_vlan != 65535):
vlan_packet = vlan()
vlan_packet.id = my_vlan
vlan_packet.c = 0
vlan_packet.pcp = 0
vlan_packet.eth_type = 0x88b5
vlan_packet.set_payload(payload)
packet.set_payload(vlan_packet)
packet.type = ethernet.VLAN_TYPE
else:
packet.set_payload(payload)
packet.type = 0x88b5
Component.send_openflow_packet(self, int(dpid), packet.tostring(),int(out_port))
return
def create_discovery_packet(dpid, portno, vlan_id, ttl_):
# Create lldp packet
discovery_packet = lldp()
cid = chassis_id()
# nbo
cid.fill(chassis_id.SUB_LOCAL, array.array('B', 'dpid:' + hex(long(dpid))[2:-1]))
discovery_packet.add_tlv(cid)
pid = port_id()
pid.fill(2,array.array('B',struct.pack('!H', portno)))
discovery_packet.add_tlv(pid)
ttlv = ttl()
ttlv.fill(ttl_)
discovery_packet.add_tlv(ttlv)
discovery_packet.add_tlv(end_tlv())
eth = ethernet()
eth.src = '\x00' + struct.pack('!Q',dpid)[3:8]
eth.dst = NDP_MULTICAST
if(vlan_id != None):
vlan_packet = vlan()
vlan_packet.id = vlan_id
vlan_packet.pcp = 0
vlan_packet.c = 0
vlan_packet.eth_type = ethernet.LLDP_TYPE
vlan_packet.set_payload(discovery_packet)
eth.set_payload(vlan_packet)
eth.type = ethernet.VLAN_TYPE
eth.eth_type = ethernet.LLDP_TYPE
else:
eth.set_payload(discovery_packet)
eth.type = ethernet.LLDP_TYPE
return eth
