def _hosts(self, req, **kwargs):
body = None
db = database(DB_PATH)
if 'dpid' in kwargs:
dpid = dpid_lib.str_to_dpid(kwargs['dpid'])
rcd_dpid = selectDPID(dpid=dpid)
host_of_dpid = []
tmp = {'mac':'a', 'port':0,'ip':'a', 'slave':1}
for x in rcd_dpid:
tmp['mac'], tmp['port'], tmp['ip'], tmp['slave'] = x[0].encode('utf-8'), x[1], x[2].encode('utf-8'), x[3]
hosts_of_dpid.append(dict(tmp))
body = json.dumps(hosts_of_dpid)
else:
rcd_dev = db.selectDEVICE()
hosts = []
tmp = {'user_id':0, 'dpid':0,'mac':'a', 'vlan':0, 'ip': 'a', 'port':0}
#add gateway
tmp['mac'] = db.selectGATEWAY()[0][0].encode('utf-8')
tmp['ip'] = db.selectGATEWAY()[0][1].encode('utf-8')
gw_dpid = db.getDPIDBySlave(mac_addr=tmp['mac'])
if None != gw_dpid:
tmp['port'] = db.findDPIDByX(gw_dpid,'MAC_ADDR',tmp['mac'])[0][0]
tmp['dpid'] = dpid_lib.dpid_to_str(gw_dpid)
hosts.append(dict(tmp))
#add host
for dev in rcd_dev:
tmp['mac'], tmp['vlan'], tmp['user_id'] = dev[0].encode('utf-8'), dev[1], dev[2]
dpid = db.getDPIDBySlave(mac_addr=tmp['mac'])
tmp['dpid'] = dpid_lib.dpid_to_str(dpid)
rcd_host = db.findDPIDByX(dpid,'MAC_ADDR',tmp['mac'])
tmp['port'], tmp['ip'] = rcd_host[0][0], rcd_host[0][1].encode('utf-8')
hosts.append(dict(tmp))
body = json.dumps(hosts)
return Response(content_type='application/json', body=body)
def __str__(self):
return "EventTunnelPort<dpid %s port_no %d remote_dpid %s " "add_del %s>" % (
dpid_lib.dpid_to_str(self.dpid),
self.port_no,
dpid_lib.dpid_to_str(self.remote_dpid),
self.add_del,
)
def __init__(self):
super(OfTester, self).__init__()
self._set_logger()
self.target_dpid = self._convert_dpid(CONF['test-switch']['target'])
self.tester_dpid = self._convert_dpid(CONF['test-switch']['tester'])
self.logger.info('target_dpid=%s',
dpid_lib.dpid_to_str(self.target_dpid))
self.logger.info('tester_dpid=%s',
dpid_lib.dpid_to_str(self.tester_dpid))
test_dir = CONF['test-switch']['dir']
self.logger.info('Test files directory = %s', test_dir)
self.target_sw = OpenFlowSw(DummyDatapath(), self.logger)
self.tester_sw = OpenFlowSw(DummyDatapath(), self.logger)
self.state = STATE_INIT_FLOW
self.sw_waiter = None
self.waiter = None
self.send_msg_xids = []
self.rcv_msgs = []
self.ingress_event = None
self.ingress_threads = []
self.thread_msg = None
self.test_thread = hub.spawn(
self._test_sequential_execute, test_dir)
def port_status_handler(self, ev):
msg = ev.msg
reason = msg.reason
datapath = msg.datapath
port = msg.desc
ofproto = datapath.ofproto
if reason == ofproto.OFPPR_ADD:
LOG.debug('DPSET: A port was added.' +
'(datapath id = %s, port number = %s)',
dpid_to_str(datapath.id), port.port_no)
self._port_added(datapath, port)
self.send_event_to_observers(EventPortAdd(datapath, port))
elif reason == ofproto.OFPPR_DELETE:
LOG.debug('DPSET: A port was deleted.' +
'(datapath id = %s, port number = %s)',
dpid_to_str(datapath.id), port.port_no)
self._port_deleted(datapath, port)
self.send_event_to_observers(EventPortDelete(datapath, port))
else:
assert reason == ofproto.OFPPR_MODIFY
LOG.debug('DPSET: A port was modified.' +
'(datapath id = %s, port number = %s)',
dpid_to_str(datapath.id), port.port_no)
self.port_state[datapath.id].modify(port.port_no, port)
self.send_event_to_observers(EventPortModify(datapath, port))
def switch_desc_handler(self, ev):
switch_str = ""
stats = ev.msg.body
dp_desc = stats.dp_desc
hw_desc = stats.hw_desc
mfr_desc = stats.mfr_desc
serial_num = stats.serial_num
sw_desc = stats.sw_desc
switch_str = "\n\n==========================================\n"
switch_str += " Switch Description: \n"
switch_str += "==========================================\n"
switch_str += "* Manufacturer description: \t" + mfr_desc + "\n"
switch_str += "* Hardware description: \t" + hw_desc + "\n"
switch_str += "* Software description: \t" + sw_desc + "\n"
switch_str += "* Serial number: \t" + serial_num + "\n"
switch_str += "* Datapath description: \t" + dp_desc + "\n"
switch_str += "==========================================\n\n"
# Save
fd = open("./results/switch_" + dpidlib.dpid_to_str(ev.msg.datapath.id) + "_v10_extra.txt", 'a+')
fd.write(switch_str)
fd.close()
# Combined
self.combined_str += (switch_str)
# Last handle.. So save combined string
fd = open("./results/switch_" + dpidlib.dpid_to_str(ev.msg.datapath.id) + "_v10_combined.txt", 'a+')
fd.write(self.combined_str)
fd.close()
def to_dict(self):
return {'dpid': dpid_to_str(self.dp.id),
'name': self.name,
'neighbors': [dpid_to_str(switch.dp.id) for switch in self.neighbors],
'ports': [port.to_dict() for (port_no, port) in self.ports.items()],
'arp_table': self.get_arp_list(),
'routing_table': self.get_routing_table()}
def packet_in_handler(self, ev):
self.logger.debug('packet_in_handler')
msg = ev.msg
datapath = msg.datapath
ofproto = datapath.ofproto
# TODO: subscribe only the designated datapath
dpid = datapath.id
if dpid != self.interface.dpid:
self.logger.debug('packet_in_handler dpid %s %s',
dpid_lib.dpid_to_str(dpid),
dpid_lib.dpid_to_str(self.interface.dpid))
return
in_port = None
for field in msg.match.fields:
if field.header == ofproto.OXM_OF_IN_PORT:
in_port = field.value
break
if in_port != self.interface.port_no:
self.logger.debug('packet_in_handler in_port %s %s',
in_port, self.interface.port_no)
return
self._send_vrrp_packet_received(msg.data)
def _setup_data_fwd_flows(self, src_mac, dst_mac):
"""
Given two MAC addresses, set up flows on their connected switches
towards each other, so that they can forward packets between each other
"""
(src_dpid, src_port) = (self.inception.
mac_to_dpid_port[src_mac])
(dst_dpid, dst_port) = (self.inception.
mac_to_dpid_port[dst_mac])
# If src_dpid == dst_dpid, no need to set up flows
if src_dpid == dst_dpid:
return
src_ip = self.inception.dpid_to_ip[src_dpid]
dst_ip = self.inception.dpid_to_ip[dst_dpid]
src_fwd_port = self.inception.dpid_to_conns[src_dpid][dst_ip]
dst_fwd_port = self.inception.dpid_to_conns[dst_dpid][src_ip]
src_datapath = self.inception.dpset.get(src_dpid)
dst_datapath = self.inception.dpset.get(dst_dpid)
src_ofproto = src_datapath.ofproto
dst_ofproto = dst_datapath.ofproto
src_ofproto_parser = src_datapath.ofproto_parser
dst_ofproto_parser = dst_datapath.ofproto_parser
if (src_dpid, dst_mac) not in self.inception.unicast_rules:
actions_fwd = [src_ofproto_parser.OFPActionOutput(src_fwd_port)]
instructions_fwd = [src_datapath.ofproto_parser.
OFPInstructionActions(
src_ofproto.OFPIT_APPLY_ACTIONS, actions_fwd)]
src_datapath.send_msg(src_ofproto_parser.OFPFlowMod(
datapath=src_datapath,
match=src_ofproto_parser.OFPMatch(eth_dst=dst_mac),
cookie=0, command=src_ofproto.OFPFC_ADD,
priority=priority.DATA_FWD,
flags=src_ofproto.OFPFF_SEND_FLOW_REM,
instructions=instructions_fwd
))
self.inception.unicast_rules.append((src_dpid, dst_mac))
LOGGER.info("Setup forward flow on switch=%s"
"towards mac=%s", dpid_to_str(src_dpid), dst_mac)
if (dst_dpid, src_mac) not in self.inception.unicast_rules:
actions_dst = [dst_ofproto_parser.OFPActionOutput(dst_fwd_port)]
instructions_dst = [dst_datapath.ofproto_parser.
OFPInstructionActions(
dst_ofproto.OFPIT_APPLY_ACTIONS, actions_dst)]
dst_datapath.send_msg(dst_ofproto_parser.OFPFlowMod(
datapath=dst_datapath,
match=dst_ofproto_parser.OFPMatch(eth_dst=src_mac),
cookie=0, command=dst_ofproto.OFPFC_ADD,
priority=priority.DATA_FWD,
flags=dst_ofproto.OFPFF_SEND_FLOW_REM,
instructions=instructions_dst
))
self.inception.unicast_rules.append((dst_dpid, src_mac))
LOGGER.info("Setup forward flow on switch=%s"
"towards mac=%s", dpid_to_str(dst_dpid), src_mac)
def _do_lacp(self, req_lacp, src, msg):
"""packet-in process when the received packet is LACP."""
datapath = msg.datapath
dpid = datapath.id
ofproto = datapath.ofproto
parser = datapath.ofproto_parser
if ofproto.OFP_VERSION == ofproto_v1_0.OFP_VERSION:
port = msg.in_port
else:
port = msg.match['in_port']
self.logger.info("SW=%s PORT=%d LACP received.",
dpid_to_str(dpid), port)
self.logger.debug(str(req_lacp))
# when LACP arrived at disabled port, update the status of
# the slave i/f to enabled, and send a event.
if not self._get_slave_enabled(dpid, port):
self.logger.info(
"SW=%s PORT=%d the slave i/f has just been up.",
dpid_to_str(dpid), port)
self._set_slave_enabled(dpid, port, True)
self.send_event_to_observers(
EventSlaveStateChanged(datapath, port, True))
# set the idle_timeout time using the actor state of the
# received packet.
if req_lacp.LACP_STATE_SHORT_TIMEOUT == \
req_lacp.actor_state_timeout:
idle_timeout = req_lacp.SHORT_TIMEOUT_TIME
else:
idle_timeout = req_lacp.LONG_TIMEOUT_TIME
# when the timeout time has changed, update the timeout time of
# the slave i/f and re-enter a flow entry for the packet from
# the slave i/f with idle_timeout.
if idle_timeout != self._get_slave_timeout(dpid, port):
self.logger.info(
"SW=%s PORT=%d the timeout time has changed.",
dpid_to_str(dpid), port)
self._set_slave_timeout(dpid, port, idle_timeout)
func = self._add_flow.get(ofproto.OFP_VERSION)
assert func
func(src, port, idle_timeout, datapath)
# create a response packet.
res_pkt = self._create_response(datapath, port, req_lacp)
# packet-out the response packet.
out_port = ofproto.OFPP_IN_PORT
actions = [parser.OFPActionOutput(out_port)]
out = datapath.ofproto_parser.OFPPacketOut(
datapath=datapath, buffer_id=ofproto.OFP_NO_BUFFER,
data=res_pkt.data, in_port=port, actions=actions)
datapath.send_msg(out)
def create_switch_to_switch_links(self):
for link in self.links:
src_port = link.src.port_no
dst_port = link.dst.port_no
src_dpid = format_dpid_str(dpid_to_str(link.src.dpid))
dst_dpid = format_dpid_str(dpid_to_str(link.dst.dpid))
src_port_id = src_dpid + str(src_port)
dst_port_id = dst_dpid + str(dst_port)
src_port_vertex = self.get_unique_port_vertex(src_port_id)
dst_port_vertex = self.get_unique_port_vertex(dst_port_id)
self.create_link_edge(src_port_vertex,dst_port_vertex)
def _get_bridge_name(self):
""" get Bridge name of a given 'datapath_id' """
command = ovs_vsctl.VSCtlCommand(
'find',
('Bridge',
'datapath_id=%s' % dpid_lib.dpid_to_str(self.datapath_id)))
self.run_command([command])
if not isinstance(command.result, list) or len(command.result) != 1:
raise OVSBridgeNotFound(
datapath_id=dpid_lib.dpid_to_str(self.datapath_id))
return command.result[0].name
def _get_bridge_name(self):
""" get Bridge name of a given 'datapath_id' """
command = ovs_vsctl.VSCtlCommand(
'find',
('Bridge',
'datapath_id=%s' % dpid_lib.dpid_to_str(self.datapath_id)))
self.run_command([command])
result = command.result
if len(result) == 0 or len(result) > 1:
raise OVSBridgeNotFound(
datapath_id=dpid_lib.dpid_to_str(self.datapath_id))
return result[0].name
def unregist_ofs(dp):
if dp.id in FirewallController._OFS_LIST:
del FirewallController._OFS_LIST[dp.id]
dpid_str = dpid_lib.dpid_to_str(dp.id)
try:
http_request_test(dpid_str, 'leave')
except:
print "DrawBridge controller is not enabled"
#http_request_test(dpid_str, 'leave')
# again, make a POST request to the DrawBridge controller.
FirewallController._LOGGER.info('dpid=%s: Leave firewall.',
dpid_lib.dpid_to_str(dp.id))
def table_features_handler(self, ev):
feature_str = ""
prop_str = ""
## Fields
print ev.msg.datapath
table_list = ev.msg.body
for t in table_list:
table_id = t.table_id
name = t.name
metadata_match = t.metadata_match
metadata_write = t.metadata_write
# config = t.config ## Bitmap that is provided for backward compability in OF.
max_entries = t.max_entries
properties = t.properties
#
feature_str = "\n\n==========================================\n"
feature_str += " Table Feature: " + str(table_id) + "\n"
feature_str += "==========================================\n"
feature_str += (
"Table Id: "
+ str(table_id)
+ "\n"
+ "Name: "
+ str(name)
+ "\n"
+ "Metadata_match: "
+ str(hex(metadata_match))
+ "\n"
+ "Metadata_write: "
+ str(hex(metadata_write))
+ "\n"
+ "Max entries: "
+ str(max_entries)
+ "\n"
)
prop_str = self.property_parser(properties)
# Save
fd = open("./results/switch_" + dpidlib.dpid_to_str(ev.msg.datapath.id) + "_v13_table.txt", "a+")
fd.write(feature_str + prop_str)
fd.close()
# Combined
# self.combined_str += (feature_str + prop_str)
self.combined_str_map[dpidlib.dpid_to_str(ev.msg.datapath.id)] += feature_str + prop_str
def port_stats_reply_handler(self, ev):
dpid = dpidlib.dpid_to_str(ev.msg.datapath.id)
if self.looped[dpid] is True:
# Last handle.. So save combined string
fd = open("./results/switch_" + dpidlib.dpid_to_str(ev.msg.datapath.id) + "_v13_combined.txt", "a+")
fd.write(self.combined_str_map[dpidlib.dpid_to_str(ev.msg.datapath.id)])
fd.close()
return
ports = []
port_num_list = []
for stat in ev.msg.body:
ports.append(
"port_no=%d "
"rx_packets=%d tx_packets=%d "
"rx_bytes=%d tx_bytes=%d "
"rx_dropped=%d tx_dropped=%d "
"rx_errors=%d tx_errors=%d "
"rx_frame_err=%d rx_over_err=%d rx_crc_err=%d "
"collisions=%d duration_sec=%d duration_nsec=%d"
% (
stat.port_no,
stat.rx_packets,
stat.tx_packets,
stat.rx_bytes,
stat.tx_bytes,
stat.rx_dropped,
stat.tx_dropped,
stat.rx_errors,
stat.tx_errors,
stat.rx_frame_err,
stat.rx_over_err,
stat.rx_crc_err,
stat.collisions,
stat.duration_sec,
stat.duration_nsec,
)
)
# print stat.port_no
port_num_list.append(stat.port_no)
# Add to Overview
fd = open("./results/switch_" + dpid + "_v13_overview.txt", "a")
fd.write("\n\n" + "Port number list (shown to controller): " + str(port_num_list) + "\n")
fd.close()
# Add to combined
self.combined_str_map[dpid] += "\n\n" + "Port number list (shown to controller): " + str(port_num_list) + "\n"
self.looped[dpid] = True
def _create_lacp(self, datapath, port, req):
"""create a LACP packet."""
actor_system = datapath.ports[datapath.ofproto.OFPP_LOCAL].hw_addr
res = slow.lacp(
actor_system_priority=0xffff,
actor_system=actor_system,
actor_key=req.actor_key,
actor_port_priority=0xff,
actor_port=port,
actor_state_activity=req.LACP_STATE_PASSIVE,
actor_state_timeout=req.actor_state_timeout,
actor_state_aggregation=req.actor_state_aggregation,
actor_state_synchronization=req.actor_state_synchronization,
actor_state_collecting=req.actor_state_collecting,
actor_state_distributing=req.actor_state_distributing,
actor_state_defaulted=req.LACP_STATE_OPERATIONAL_PARTNER,
actor_state_expired=req.LACP_STATE_NOT_EXPIRED,
partner_system_priority=req.actor_system_priority,
partner_system=req.actor_system,
partner_key=req.actor_key,
partner_port_priority=req.actor_port_priority,
partner_port=req.actor_port,
partner_state_activity=req.actor_state_activity,
partner_state_timeout=req.actor_state_timeout,
partner_state_aggregation=req.actor_state_aggregation,
partner_state_synchronization=req.actor_state_synchronization,
partner_state_collecting=req.actor_state_collecting,
partner_state_distributing=req.actor_state_distributing,
partner_state_defaulted=req.actor_state_defaulted,
partner_state_expired=req.actor_state_expired,
collector_max_delay=0)
self.logger.info("SW=%s PORT=%d LACP sent.",
dpid_to_str(datapath.id), port)
self.logger.debug(str(res))
return res
def to_dict(self):
return {
"dpid": dpid_to_str(self.dpid),
"port_no": port_no_to_str(self.port_no),
"hw_addr": self.hw_addr,
"name": self.name.rstrip("\0"),
}
def packet_in_handler(self, ev):
msg = ev.msg
datapath = msg.datapath
ofproto = datapath.ofproto
parser = datapath.ofproto_parser
in_port = msg.match['in_port']
pkt = packet.Packet(msg.data)
eth = pkt.get_protocols(ethernet.ethernet)[0]
if eth.ethertype == ether.ETH_TYPE_ARP:
arp_pkt = pkt.get_protocols(arp.arp)[0]
srcMac = arp_pkt.src_mac
srcIP = arp_pkt.src_ip
elif eth.ethertype == ether.ETH_TYPE_IP:
ip = pkt.get_protocols(ipv4.ipv4)[0]
srcMac = eth.src
srcIP = ip.src
else:
return
##from srcIP to inport
"""
if self.isRouter(srcMac):
return
"""
if srcIP not in self.hosts:
self.hosts[srcIP] = {}
# Always update MAC and switch-port location, just in case
# DHCP reassigned the IP or the host moved
self.hosts[srcIP]['mac'] = srcMac
self.updateHostTable(srcIP, dpid_lib.dpid_to_str(datapath.id), in_port)
def get_rules(self, waiters, vlan_id):
rules = {}
msgs = self.ofctl.get_flow_stats(self.dp, waiters)
if str(self.dp.id) in msgs:
flow_stats = msgs[str(self.dp.id)]
for flow_stat in flow_stats:
if (flow_stat[REST_PRIORITY] != STATUS_FLOW_PRIORITY
and flow_stat[REST_PRIORITY] != ARP_FLOW_PRIORITY):
vid = flow_stat[REST_MATCH][REST_DL_VLAN]
if vlan_id == REST_ALL or vlan_id == vid:
rule = self._to_rest_rule(flow_stat)
rules.setdefault(vid, {})
rules[vid].update(rule)
get_data = []
for vid, rule in rules.items():
if vid == VLANID_NONE:
get_data.append(rule)
else:
vid = '%s: %d' % (REST_VLANID, vid)
get_data.append({vid: rule})
switch_id = '%s: %s' % (REST_SWITCHID,
dpid_lib.dpid_to_str(self.dp.id))
return {switch_id: get_data}
def regist_ofs(dp):
try:
f_ofs = Firewall(dp)
except OFPUnknownVersion, message:
mes = 'dpid=%s : %s' % (dpid_lib.dpid_to_str(dp.id), message)
LOG.info(mes)
return
def packet_in_handler(self, req_pkt, req_igmp, msg):
"""the process when the snooper received IGMP."""
dpid = msg.datapath.id
ofproto = msg.datapath.ofproto
if ofproto.OFP_VERSION == ofproto_v1_0.OFP_VERSION:
in_port = msg.in_port
else:
in_port = msg.match['in_port']
log = "SW=%s PORT=%d IGMP received. " % (
dpid_to_str(dpid), in_port)
self.logger.debug(str(req_igmp))
if igmp.IGMP_TYPE_QUERY == req_igmp.msgtype:
self.logger.info(log + "[QUERY]")
(req_ipv4, ) = req_pkt.get_protocols(ipv4.ipv4)
(req_eth, ) = req_pkt.get_protocols(ethernet.ethernet)
self._do_query(req_igmp, req_ipv4, req_eth, in_port, msg)
elif (igmp.IGMP_TYPE_REPORT_V1 == req_igmp.msgtype or
igmp.IGMP_TYPE_REPORT_V2 == req_igmp.msgtype):
self.logger.info(log + "[REPORT]")
self._do_report(req_igmp, in_port, msg)
elif igmp.IGMP_TYPE_LEAVE == req_igmp.msgtype:
self.logger.info(log + "[LEAVE]")
self._do_leave(req_igmp, in_port, msg)
elif igmp.IGMP_TYPE_REPORT_V3 == req_igmp.msgtype:
self.logger.info(log + "V3 is not supported yet.")
self._do_flood(in_port, msg)
else:
self.logger.info(log + "[unknown type:%d]",
req_igmp.msgtype)
self._do_flood(in_port, msg)
def _vm_port_del(self, network_id, dpid):
self.logger.debug('_vm_port_del %s %s', network_id,
dpid_lib.dpid_to_str(dpid))
if len(self.nw.get_ports(dpid, network_id)) > 0:
return
tunnel_networks = set(p.network_id
for p in self.nw.get_networks(dpid))
tunnel_networks.discard(network_id)
tunnel_networks.difference_update(rest_nw_id.RESERVED_NETWORK_IDS)
dpids = self.nw.get_dpids(network_id).copy()
dpids.discard(dpid)
del_dpids = []
for remote_dpid in dpids:
remote_networks = set(p.network_id
for p in self.nw.get_networks(remote_dpid))
if tunnel_networks & remote_networks:
continue
self.tunnel_requests.remove(dpid, remote_dpid)
del_dpids.append(remote_dpid)
tunnel_dp = self.tunnel_dpset.get(dpid)
if tunnel_dp is None:
return
for remote_dpid in del_dpids:
remote_dp = self.tunnel_dpset.get(remote_dpid)
if remote_dp is None:
continue
tunnel_dp.request_del_tunnel_port(remote_dp.tunnel_ip)
remote_dp.request_del_tunnel_port(tunnel_dp.tunnel_ip)
def lldp_packet(dpid, port_no, dl_addr, ttl):
pkt = packet.Packet()
dst = lldp.LLDP_MAC_NEAREST_BRIDGE
src = dl_addr
ethertype = ETH_TYPE_LLDP
eth_pkt = ethernet.ethernet(dst, src, ethertype)
pkt.add_protocol(eth_pkt)
tlv_chassis_id = lldp.ChassisID(
subtype=lldp.ChassisID.SUB_LOCALLY_ASSIGNED,
chassis_id=(LLDPPacket.CHASSIS_ID_FMT %
dpid_to_str(dpid)).encode('ascii'))
tlv_port_id = lldp.PortID(subtype=lldp.PortID.SUB_PORT_COMPONENT,
port_id=struct.pack(
LLDPPacket.PORT_ID_STR,
port_no))
tlv_ttl = lldp.TTL(ttl=ttl)
tlv_end = lldp.End()
tlvs = (tlv_chassis_id, tlv_port_id, tlv_ttl, tlv_end)
lldp_pkt = lldp.lldp(tlvs)
pkt.add_protocol(lldp_pkt)
pkt.serialize()
return pkt.data
def set_ovsdb_addr(self, dpid, ovsdb_addr):
# easy check if the address format valid
self.logger.debug("set_ovsdb_addr dpid %s ovsdb_addr %s", dpid_lib.dpid_to_str(dpid), ovsdb_addr)
_proto, _host, _port = ovsdb_addr.split(":")
old_address = self.ovsdb_addr
if old_address == ovsdb_addr:
return
if ovsdb_addr is None:
# TODO: clean up this ovs switch
if self.ovs_bridge:
self.ovs_bridge.del_controller()
self.ovs_bridge = None
return
self.ovsdb_addr = ovsdb_addr
if self.ovs_bridge is None:
self.logger.debug("ovsdb: adding ports %s", self.ports)
ovs_bridge = bridge.OVSBridge(dpid, ovsdb_addr)
self.ovs_bridge = ovs_bridge
ovs_bridge.init()
# TODO: for multi-controller
# not overwrite controllers, but append this controller
ovs_bridge.set_controller([self.ctrl_addr])
for port in self.ports.values():
self.logger.debug("adding port %s", port)
self.update_port(port.ofport, port.name, True)
def _configure_vrrp_router(self, vrrp_version, priority, ip_addr,
switch_index, vrid):
switches = self.switches
self.logger.debug('%s', switches.dps)
dpid = sorted(switches.dps.keys())[switch_index]
self.logger.debug('%s', lib_dpid.dpid_to_str(dpid))
self.logger.debug('%s', switches.port_state)
# hack: use the smallest port no to avoid picking OVS local port
port_no = sorted(switches.port_state[dpid].keys())[0]
self.logger.debug('%d', port_no)
port = switches.port_state[dpid][port_no]
self.logger.debug('%s', port)
mac = port.hw_addr
self.logger.debug('%s', mac)
interface = vrrp_event.VRRPInterfaceOpenFlow(mac, ip_addr, None, dpid,
port_no)
self.logger.debug('%s', interface)
config = vrrp_event.VRRPConfig(
version=vrrp_version,
vrid=vrid,
priority=priority,
ip_addresses=[ip_addr])
self.logger.debug('%s', config)
rep = vrrp_api.vrrp_config(self, interface, config)
self.logger.debug('%s', rep)
return rep
def update_port_link(self, dpid, port):
"""
Fulfill neighbor information for specific port.
"""
switch = self.switches[dpid]
try:
p = switch.ports[port.port_no]
p.neighbor_switch_dpid = port.neighbor_switch_dpid
p.neighbor_port_no = port.neighbor_port_no
except KeyError:
switch.ports[port.port_no] = port
neighbor_switch = self.switches[port.neighbor_switch_dpid]
switch.neighbors[neighbor_switch] = port.port_no
logger.info('link connected: %s->%s', dpid_lib.dpid_to_str(switch.dp.id), dpid_lib.dpid_to_str(neighbor_switch.dp.id))
def __init__(self, dp, logger, config, send_ev_func):
super(Bridge, self).__init__()
self.dp = dp
self.logger = logger
self.dpid_str = {'dpid': dpid_to_str(dp.id)}
self.send_event = send_ev_func
# Bridge data
bridge_conf = config.get('bridge', {})
values = self._DEFAULT_VALUE
for key, value in bridge_conf.items():
values[key] = value
system_id = list(dp.ports.values())[0].hw_addr
self.bridge_id = BridgeId(values['priority'],
values['sys_ext_id'],
system_id)
self.bridge_times = Times(0, # message_age
values['max_age'],
values['hello_time'],
values['fwd_delay'])
# Root bridge data
self.root_priority = Priority(self.bridge_id, 0, None, None)
self.root_times = self.bridge_times
# Ports
self.ports = {}
self.ports_conf = config.get('ports', {})
for ofport in dp.ports.values():
self.port_add(ofport)
# Install BPDU PacketIn flow. (OpenFlow 1.2/1.3)
if dp.ofproto == ofproto_v1_2 or dp.ofproto == ofproto_v1_3:
ofctl = OfCtl_v1_2later(self.dp)
ofctl.add_bpdu_pkt_in_flow()
def handle_arp_reply(self, msg, pkt, arp_pkt):
"""
called when receiving ARP reply from hosts.
the host will send their MAC address back to switch.
(1) save the MAC address information in ARP table.
(2) try to resend the packet in the buffer.
(3) remove the sent packet from the buffer queue.
"""
switch = self.switches[msg.datapath.id]
in_port_no = msg.in_port
gateway = switch.ports[in_port_no].gateway
replied_buffer = []
logger.info('receive ARP reply: from %s (dpid=%s)', str(arp_pkt.src_ip), dpid_lib.dpid_to_str(msg.datapath.id))
if gateway and gateway.ipv4 == netaddr.IPAddress(arp_pkt.dst_ip):
self.update_arp_entry(switch, pkt)
# try to resend the buffered packets
for i in xrange(len(switch.msg_buffer)):
msg, pkt, outport_no = switch.msg_buffer[i]
if self.deliver_to_host(msg, pkt, outport_no):
replied_buffer.append(i)
replied_buffer.sort(reverse = True)
for i in replied_buffer:
switch.msg_buffer.pop(i)
def _switch_enter_handler(self, ev):
# get_switch(self, None) outputs the list of switches object.
self.topo_switches = get_switch(self, None)
# get_link(self, None) outputs the list of links object.
self.topo_links = get_link(self, None)
"""
Now you have saved the links and switches of the topo. But they are object, we need to use to_dict() to trans them
"""
# print '*'*40,"Switch_set",'*'*40
for switch in self.topo_switches:
dp = switch.dp
dp_no = dpid_to_str(dp.id)
if (Switch_set.has_key(dp_no) == False):
ports = switch.ports
Switch_set[dp_no] = [port.to_dict() for port in ports]
# pprint.pprint(Switch_set)
Switch_set_json = json.dumps(Switch_set, indent=4)
Ssj_file = open('./Info/Static/Switch_json.json','w+')
Ssj_file.write(Switch_set_json)
Ssj_file.close()
# print '*'*40,"Link_set",'*'*40
Link_set = [ link.to_dict() for link in self.topo_links ]
# pprint.pprint(Link_set)
Link_set_json = json.dumps(Link_set, indent=4)
Lsj_file = open('./Info/Static/Link_json.json','w+')
Lsj_file.write(Link_set_json)
Lsj_file.close()
self.logger.info("******_switch_enter_handler, Switch_set & Link_set******")
def _register(self, dp):
LOG.debug('DPSET: register datapath %s', dp)
assert dp.id is not None
# while dpid should be unique, we need to handle duplicates here
# because it's entirely possible for a switch to reconnect us
# before we notice the drop of the previous connection.
# in that case,
# - forget the older connection as it likely will disappear soon
# - do not send EventDP leave/enter events
# - keep the PortState for the dpid
if dp.id in self.dps:
self.logger.warning('DPSET: Multiple connections from %s',
dpid_to_str(dp.id))
self.logger.debug('DPSET: Forgetting datapath %s', self.dps[dp.id])
self.logger.debug('DPSET: New datapath %s', dp)
self.dps[dp.id] = dp
if dp.id not in self.port_state:
self.port_state[dp.id] = PortState()
ev = EventDP(dp, True)
with warnings.catch_warnings():
warnings.simplefilter('ignore')
for port in dp.ports.values():
self._port_added(dp, port)
ev.ports.append(port)
self.send_event_to_observers(ev)
def get(self, _req, dpid, port_id, **_kwargs):
dpid = dpid_lib.str_to_dpid(dpid)
port_id = int(port_id)
try:
remote_dpid = self.tunnels.get_remote_dpid(dpid, port_id)
except ryu_exc.PortNotFound:
return Response(status=404)
body = json.dumps(dpid_lib.dpid_to_str(remote_dpid))
return Response(content_type='application/json', body=body)
def _add_tunnel_port(self, remote_dpid, remote_ip):
self.logger.debug('add_tunnel_port local %s %s remote %s %s',
dpid_lib.dpid_to_str(self.dpid), self.tunnel_ip,
dpid_lib.dpid_to_str(remote_dpid), remote_ip)
if self._tunnel_port_exists(remote_dpid, remote_ip):
self.logger.debug('add_tunnel_port nop')
return
self.logger.debug('add_tunnel_port creating port')
port_name = self._port_name(self.tunnel_ip, remote_ip)
self.ovs_bridge.add_tunnel_port(port_name, self.tunnel_type,
self.tunnel_ip, remote_ip, 'flow')
tp = self.ovs_bridge.get_tunnel_port(port_name, self.tunnel_type)
self.tunnels[tp.ofport] = TunnelPort(self.dpid, tp.ofport, tp.local_ip,
tp.remote_ip, remote_dpid)
self.network_api.create_port(self.tunnel_nw_id, self.dpid, tp.ofport)
self.tunnel_api.create_remote_dpid(self.dpid, tp.ofport, remote_dpid)
return tp
def _topology_change_handler(self, ev):
dp = ev.dp
dpid_str = dpid_lib.dpid_to_str(dp.id)
msg = 'Receive topology change event. Flush MAC table.'
#self.logger.info("[time="+str((datetime.datetime.now()-self.start_time).seconds)+" secs]"
# +"[dpid="+str(dpid_str)+"] "+msg)
if dp.id in self.mac_to_port:
del self.mac_to_port[dp.id]
self.flush_mac(dp)
def _do_switch(dpid, func, ret_func):
dpid = dpid_lib.str_to_dpid(dpid)
try:
ret = func(dpid)
except KeyError:
return Response(status=httplib.NOT_FOUND,
body='no dpid is found %s' %
dpid_lib.dpid_to_str(dpid))
return ret_func(ret)
def dpid_state_from_mininet(self, name):
if 'h' in name:
return (0,0,0)
dpid = dpid_to_str(int(name[1:]))
query = "SELECT * FROM charge_state WHERE dpid = \'%s\'" % dpid
self.cursor.execute(query)
rv = self.cursor.fetchall()
return rv[0]
def switch_features_handler(self, ev):
ip_list = []
port_list = []
datapath = ev.msg.datapath
ofproto = datapath.ofproto
parser = datapath.ofproto_parser
dpid_ = dpid.dpid_to_str(datapath.id)
print("Switch found with dipid" + dpid_)
print(datapath)
# Add flow entries
pod = int(dpid_[10:12])
switch_num = int(dpid_[12:14])
# Check if core switch
if (pod == k):
# Handle core switches
# Push down links
downLinkFlow, outputPort1 = coreDownLink()
# Must be aggregation/edge switch
else:
downLinkFlow, outputPort1 = downLink(pod, switch_num)
upLinkFlow, outputPort2 = upLink(pod, switch_num)
for i in range(len(downLinkFlow)):
match = parser.OFPMatch(ipv4_dst=downLinkFlow[i], eth_type=0x800)
actions = [parser.OFPActionOutput(outputPort1[i],ofproto.OFPCML_NO_BUFFER)]
self.add_flow(datapath, 10, match, actions)
# Add suffix entries to table since Switch is not Core
if switch_num != k:
for i in range(len(upLinkFlow)):
match = parser.OFPMatch(ipv4_dst=upLinkFlow[i], eth_type=0x800)
actions = [parser.OFPActionOutput(outputPort2[i],ofproto.OFPCML_NO_BUFFER)]
self.add_flow(datapath, 1, match, actions)
# table miss entry
match = parser.OFPMatch()
actions = [parser.OFPActionOutput(ofproto.OFPP_CONTROLLER,
ofproto.OFPCML_NO_BUFFER)]
self.add_flow(datapath, 0, match, actions) \
@set_ev_cls(ofp_event.EventOFPPacketIn, MAIN_DISPATCHER)
def packet_in_handler(self, ev):
datapath = ev.msg.datapath
ofproto = datapath.ofproto
parser = datapath.ofproto_parser
pkt = packet.Packet(array.array('B', ev.msg.data))
switchDPID = datapath.id
dpid_ = dpid.dpid_to_str(datapath.id)
def table_features_handler(self, ev):
feature_str = ""
prop_str = ""
## Fields
print ev.msg.datapath
table_list = ev.msg.body
for t in table_list:
table_id = t.table_id
name = t.name
metadata_match = t.metadata_match
metadata_write = t.metadata_write
#config = t.config ## Bitmap that is provided for backward compability in OF.
max_entries = t.max_entries
properties = t.properties
#
feature_str = "\n\n==========================================\n"
feature_str += " Table Feature: " + str(table_id) + "\n"
feature_str += "==========================================\n"
feature_str += "Table Id: "+str(table_id)+"\n" + \
"Name: "+str(name)+"\n"+ \
"Metadata_match: "+str(hex(metadata_match))+"\n"+ \
"Metadata_write: "+str(hex(metadata_write))+"\n"+ \
"Max entries: "+str(max_entries)+"\n"
prop_str = self.property_parser(properties)
# Save
fd = open(
"./results/switch_" + dpidlib.dpid_to_str(ev.msg.datapath.id) +
"_v13_table.txt", "a+")
fd.write(feature_str + prop_str)
fd.close()
# Combined
# self.combined_str += (feature_str + prop_str)
self.combined_str_map[dpidlib.dpid_to_str(
ev.msg.datapath.id)] += (feature_str + prop_str)
def _topology_change_handler(self, ev):
dp = ev.dp
dpid_str = dpid_lib.dpid_to_str(dp.id)
msg = 'Receive topology change event. Flush MAC table.'
mac_to_port_dpid = self.G.node[dpid]["mactoport"]
if dp.id in mac_to_port_dpid:
self.delete_flow(dp)
del mac_to_port_dpid[dp.id]
self.G.node[dpid]["mactoport"] = mac_to_port_dpid
def _topology_change_handler(self, ev):
dp = ev.dp
# print('1:dp:',dp)
dpid_str = dpid_lib.dpid_to_str(dp.id)
# print('3:dpid_str:',dpid_str)
msg = 'Receive topology change event. Flush MAC table.'
self.logger.debug("[dpid=%s] %s", dpid_str, msg)
if dp.id in self.mac_to_port:
self.delete_flow(dp)
del self.mac_to_port[dp.id]
def regist_ofs(dp, CONF):
if dp.id in QoSController._OFS_LIST:
return
dpid_str = dpid_lib.dpid_to_str(dp.id)
try:
f_ofs = QoS(dp, CONF)
f_ofs.set_default_flow()
except OFPUnknownVersion, message:
QoSController._LOGGER.info('dpid=%s: %s', dpid_str, message)
return
def regist_ofs(dp):
dpid_str = dpid_lib.dpid_to_str(dp.id)
try:
f_ofs = Forward(dp)
except OFPUnknownVersion as message:
ForwardController._LOGGER.info('dpid=%s: %s', dpid_str, message)
return
ForwardController._OFS_LIST.setdefault(dp.id, f_ofs)
ForwardController._LOGGER.info('dpid=%s: Forwarding module is joined.',
dpid_str)
def _unregister_sw(self, dp):
if dp.id == self.target_dpid:
self.target_sw.dp = DummyDatapath()
msg = 'Leave target SW.'
elif dp.id == self.tester_dpid:
self.tester_sw.dp = DummyDatapath()
msg = 'Leave tester SW.'
else:
msg = 'Disconnect unknown SW.'
if dp.id:
self.logger.info('dpid=%s : %s', dpid_lib.dpid_to_str(dp.id), msg)
def _port_state_change_handler(self, ev):
dpid_str = dpid_lib.dpid_to_str(ev.dp.id)
of_state = {
ofproto_v1_0.OFPPS_LINK_DOWN: 'DISABLE',
ofproto_v1_0.OFPPS_STP_BLOCK: 'BLOCK',
ofproto_v1_0.OFPPS_STP_LISTEN: 'LISTEN',
ofproto_v1_0.OFPPS_STP_LEARN: 'LEARN',
ofproto_v1_0.OFPPS_STP_FORWARD: 'FORWARD'
}
self.logger.debug("[dpid=%s][port=%d] state=%s", dpid_str, ev.port_no,
of_state[ev.port_state])
def __init__(self, dp, logger, config, send_ev_func, timeout_func,
topology_change_func, bridge_id, bridge_times, ofport):
super(Port, self).__init__()
self.dp = dp
self.logger = logger
self.dpid_str = {'dpid': dpid_to_str(dp.id)}
self.config_enable = config.get('enable',
self._DEFAULT_VALUE['enable'])
self.send_event = send_ev_func
self.wait_bpdu_timeout = timeout_func
self.topology_change_notify = topology_change_func
self.ofctl = OfCtl_v1_0(dp)
# Bridge data
self.bridge_id = bridge_id
# Root bridge data
self.port_priority = None
self.port_times = None
# ofproto_v1_0_parser.OFPPhyPort data
self.ofport = ofport
# Port data
values = self._DEFAULT_VALUE
for rate in sorted(self._PATH_COST.keys(), reverse=True):
if ofport.curr & rate:
values['path_cost'] = self._PATH_COST[rate]
break
for key, value in values.items():
values[key] = value
self.port_id = PortId(values['priority'], ofport.port_no)
self.path_cost = values['path_cost']
self.state = (None if self.config_enable else PORT_STATE_DISABLE)
self.role = None
# Receive BPDU data
self.designated_priority = None
self.designated_times = None
# BPDU handling threads
self.send_bpdu_thread = PortThread(self._transmit_config_bpdu)
self.wait_bpdu_thread = PortThread(self._wait_bpdu_timer)
self.send_tc_thread = PortThread(self._transmit_tc_bpdu)
self.send_tcn_thread = PortThread(self._transmit_tcn_bpdu)
self.send_tc_flg = None
self.send_tcn_flg = None
self.wait_timer_event = None
# State machine thread
self.state_machine = PortThread(self._state_machine)
self.state_event = None
self.up(DESIGNATED_PORT,
Priority(bridge_id, 0, None, None),
bridge_times)
self.state_machine.start()
self.logger.debug('[port=%d] Start port state machine.',
self.ofport.port_no, extra=self.dpid_str)
def add_addresses(addresses, controller_ip):
for address in addresses:
ip = address[0]
router = address[1]
port = address[2]
subprocess.call([
'curl', '-X', 'POST', '-d',
'{"address": "%s"}' % ip,
'http://%s:8080/router/%s/%s/address' %
(controller_ip, dpid_to_str(router), port_no_to_str(port))
])
def _port_flow_add(self, dp, port_no):
self.logger.debug('ovs_port_update dpid %s port_no %s',
dpid_lib.dpid_to_str(dp.id), port_no)
rule = nx_match.ClsRule()
rule.set_in_port(port_no)
ofproto = dp.ofproto
actions = [dp.ofproto_parser.OFPActionOutput(ofproto.OFPP_NORMAL)]
dp.send_flow_mod(rule=rule, cookie=self._COOKIE_NORMAL,
command=ofproto.OFPFC_ADD,
idle_timeout=0, hard_timeout=0,
priority=self._PRIORITY_NORMAL, actions=actions)
def _topology_change_handler(self, ev):
dp = ev.dp
dpid_str = dpid_lib.dpid_to_str(dp.id)
#msg = 'Receive topology change event. Flush MAC table.'
#self.logger.debug("[dpid=%s] %s", dpid_str, msg)
print("[DEDALO][Topologia][dpid=" + str(dpid_str) +
"] Vaciado de TCAM")
if dp.id in self.mac_to_port:
del self.mac_to_port[dp.id]
self.delete_flow(dp)
def flow_inport_to_outport(self, dp, in_port, out_port):
''' Install OF flow to match all traffic from the in_port and forward it to the out_port '''
parser = dp.ofproto_parser
if in_port is None or out_port is None:
self.logger.error(
'No in_port or out_port specified for DPID:{}'.format(
dpid_to_str(dp.id)))
return
match = parser.OFPMatch(in_port=in_port)
action = parser.OFPActionOutput(out_port)
self.add_flow(dp, 2000, match, [action])
def update_list(dp, add):
dpid_str = dpid_lib.dpid_to_str(dp.id)
if add:
MainController.LIST_Nodes[dp.id] = dp
MainController._LOGGER.info('Node dpid=%s has joined',dpid_str)
# MainController.regist_ofs(ev.dp)
else:
del MainController.LIST_Nodes[dp.id]
if ev.dp.id in self.LIST_FW:
del self.LIST_FW[dp.id]
MainController._LOGGER.info('Node dpid=%s has left.',dpid_str)
def garbage_collect(self):
"""
iterate the whole routing table and delete routing entries
with metric=16.
"""
for subnet, entry in self.items():
if entry.metric == 16:
logger.info('GC: route from dpid=%s to %s', dpid_to_str(self.dpid), str(subnet))
del self[subnet]
time.sleep(self.gc_interval)
def to_dict(self):
r = {}
if self.receive_port.port_no:
r['out_port'] = port_no_to_str(self.receive_port.port_no)
if self.metric != 0:
r['next_hop'] = dpid_to_str(self.neighbor_port.dpid)
r['metric'] = self.metric
r['source'] = self.source
r['last_update'] = datetime.datetime.fromtimestamp(self.last_update).strftime('%Y-%m-%d %H:%M:%S')
return r
def packet_in_handler(self, ev):
"""Check a packet-in message.
Build and output an arp reply if a packet-in message is
an arp packet.
"""
msg = ev.msg
LOG.debug("packet-in msg %s", msg)
datapath = msg.datapath
if self.br is None:
LOG.info(_LI("No bridge is set"))
return
if self.br.datapath.id != datapath.id:
LOG.info(_LI("Unknown bridge %(dpid)s ours %(ours)s"), {
"dpid": datapath.id,
"ours": self.br.datapath.id
})
return
ofp = datapath.ofproto
port = msg.match['in_port']
metadata = msg.match.get('metadata')
pkt = packet.Packet(msg.data)
LOG.info(_LI("packet-in dpid %(dpid)s in_port %(port)s pkt %(pkt)s"), {
'dpid': dpid_lib.dpid_to_str(datapath.id),
'port': port,
'pkt': pkt
})
if metadata is None:
LOG.info(_LI("drop non tenant packet"))
return
network = metadata & meta.NETWORK_MASK
pkt_ethernet = pkt.get_protocol(ethernet.ethernet)
if not pkt_ethernet:
LOG.info(_LI("drop non-ethernet packet"))
return
pkt_vlan = pkt.get_protocol(vlan.vlan)
pkt_arp = pkt.get_protocol(arp.arp)
if not pkt_arp:
LOG.info(_LI("drop non-arp packet"))
return
arptbl = self._arp_tbl.get(network)
if arptbl:
if self._respond_arp(datapath, port, arptbl, pkt_ethernet,
pkt_vlan, pkt_arp):
return
else:
LOG.info(_LI("unknown network %s"), network)
# add a flow to skip a packet-in to a controller.
self.br.arp_passthrough(network=network, tpa=pkt_arp.dst_ip)
# send an unknown arp packet to the table.
self._send_unknown_packet(msg, port, ofp.OFPP_TABLE)
def _port_state_change_handler(self, ev):
dpid_str = dpid_lib.dpid_to_str(ev.dp.id)
of_state = {
stplib.PORT_STATE_DISABLE: 'DISABLE',
stplib.PORT_STATE_BLOCK: 'BLOCK',
stplib.PORT_STATE_LISTEN: 'LISTEN',
stplib.PORT_STATE_LEARN: 'LEARN',
stplib.PORT_STATE_FORWARD: 'FORWARD'
}
self.logger.debug("[dpid=%s][port=%d] state=%s", dpid_str, ev.port_no,
of_state[ev.port_state])
def _test_flow_matching_check(self, pkt):
self.logger.debug("send_packet:[%s]", packet.Packet(pkt[KEY_INGRESS]))
self.logger.debug("egress:[%s]", packet.Packet(pkt.get(KEY_EGRESS)))
self.logger.debug("packet_in:[%s]", packet.Packet(pkt.get(KEY_PKT_IN)))
# 1. send a packet from the OpenFlow Switch.
xid = self.tester_sw.send_packet_out(pkt[KEY_INGRESS])
self.send_msg_xids.append(xid)
# 2. receive a PacketIn message.
try:
self._wait()
except TestTimeout:
return TIMEOUT
assert len(self.rcv_msgs) == 1
msg = self.rcv_msgs[0]
assert isinstance(msg, ofproto_v1_3_parser.OFPPacketIn)
self.logger.debug("dpid=%s : receive_packet[%s]",
dpid_lib.dpid_to_str(msg.datapath.id),
packet.Packet(msg.data))
# 3. check the SW which sended PacketIn and output packet.
pkt_in_src_model = (self.tester_sw
if KEY_EGRESS in pkt else self.target_sw)
model_pkt = (pkt[KEY_EGRESS] if KEY_EGRESS in pkt else pkt[KEY_PKT_IN])
if msg.datapath.id != pkt_in_src_model.dp.id:
pkt_type = 'packet-in'
err_msg = 'SW[dpid=%s]' % dpid_lib.dpid_to_str(msg.datapath.id)
elif msg.reason != ofproto_v1_3.OFPR_ACTION:
pkt_type = 'packet-in'
err_msg = 'OFPPacketIn[reason=%d]' % msg.reason
elif repr(msg.data) != repr(model_pkt):
pkt_type = 'packet'
err_msg = self._diff_packets(packet.Packet(model_pkt),
packet.Packet(msg.data))
else:
return TEST_OK
raise TestFailure(self.state, pkt_type=pkt_type, detail=err_msg)
def _register_bridge(self, dp):
self._unregister_bridge(dp.id)
dpid_str = {'dpid': dpid_to_str(dp.id)}
self.logger.info('Join as rstp bridge.', extra=dpid_str)
try:
bridge = Bridge(dp, self.config.get(dp.id, {}), self.logger,
self.send_event_to_observers)
except OFPUnknownVersion as message:
self.logger.error(str(message), extra=dpid_str)
return
self.bridge_list[dp.id] = bridge
def __init__(self):
super(OfTester, self).__init__()
self._set_logger()
self.target_dpid = self._convert_dpid(CONF['test-switch']['target'])
self.tester_dpid = self._convert_dpid(CONF['test-switch']['tester'])
self.logger.info('target_dpid=%s',
dpid_lib.dpid_to_str(self.target_dpid))
self.logger.info('tester_dpid=%s',
dpid_lib.dpid_to_str(self.tester_dpid))
test_dir = CONF['test-switch']['dir']
self.logger.info('Test files directory = %s', test_dir)
self.target_sw = None
self.tester_sw = None
self.state = STATE_INIT
self.sw_waiter = None
self.waiter = None
self.send_msg_xids = []
self.rcv_msgs = []
self.test_thread = hub.spawn(self._test_sequential_execute, test_dir)
def broadcast_thread(self):
"""
infinite loop to advertise the routing table to
all the neighbors. trigger neighbor swtich to update
routing information instantly.
"""
while True:
try:
logger.info('broadcast routing table (dpid=%s)',
dpid_to_str(self.dp.id))
for port_no, port in self.ports.items():
if port.neighbor_switch_dpid:
self.switches[port.neighbor_switch_dpid].add_to_queue(
(port, self.tbl))
self.switches[
port.neighbor_switch_dpid].trigger_update()
time.sleep(self.tbl.advertise_interval)
except:
logger.info('broadcast thread of dpid=%s is killed',
dpid_to_str(self.dp.id))
break
def packet_in_handler(self, ev):
"""Check a packet-in message.
Build and output an arp reply if a packet-in message is
an arp packet.
"""
msg = ev.msg
LOG.debug("packet-in msg %s", msg)
datapath = msg.datapath
ofp = datapath.ofproto
ofpp = datapath.ofproto_parser
port = msg.match['in_port']
pkt = packet.Packet(msg.data)
LOG.info(_("packet-in dpid %(dpid)s in_port %(port)s pkt %(pkt)s"), {
'dpid': dpid_lib.dpid_to_str(datapath.id),
'port': port,
'pkt': pkt
})
pkt_vlan = None
pkt_arp = None
pkt_ethernet = pkt.get_protocol(ethernet.ethernet)
if not pkt_ethernet:
LOG.info(_("non-ethernet packet"))
else:
pkt_vlan = pkt.get_protocol(vlan.vlan)
if not pkt_vlan:
LOG.info(_("non-vlan packet"))
if pkt_vlan:
network = pkt_vlan.vid
pkt_arp = pkt.get_protocol(arp.arp)
if not pkt_arp:
LOG.info(_("drop non-arp packet"))
return
else:
# drop an unknown packet.
LOG.info(_("drop unknown packet"))
return
arptbl = self._arp_tbl.get(network)
if arptbl:
if self._respond_arp(datapath, port, arptbl, pkt_ethernet,
pkt_vlan, pkt_arp):
return
else:
LOG.info(_("unknown network %s"), network)
# add a flow to skip a packet-in to a controller.
match = ofpp.OFPMatch(eth_type=ether.ETH_TYPE_ARP,
vlan_vid=network | ofp.OFPVID_PRESENT,
arp_op=arp.ARP_REQUEST,
arp_tpa=pkt_arp.dst_ip)
self._add_flow_to_avoid_unknown_packet(datapath, match)
# send an unknown arp packet to the table.
self._send_unknown_packet(msg, port, ofp.OFPP_TABLE)
def set_qos_queue(dpid, data_share, qos_share, qos_high_rate, ofport):
dpid_str = dpid_lib.dpid_to_str(dpid)
url = 'http://localhost:8080/qos/queue/' + dpid_str
payload = '{"port": %d,"type": "linux-htb", "max_rate": "%d", "queues": [{"min_rate": "%d"}, {"min_rate": "%d"}, {"min_rate": "%d"}]}' % (
ofport,
DEFAULT_LINK_CAPACITY,
DEFAULT_LINK_CAPACITY * data_share,
DEFAULT_LINK_CAPACITY * qos_share - qos_high_rate,
qos_high_rate)
# payload = '{"port_name": "s1-eth1", "type": "linux-htb", "max_rate": "1000000", "queues": [{"max_rate": "500000"}, {"min_rate": "800000"}]}'
r = requests.post(url, data=payload)
print "[SET_QUEUE]" , r.text
def _vm_port_add(self, network_id, dpid):
self.logger.debug('_vm_port_add %s %s', network_id,
dpid_lib.dpid_to_str(dpid))
dpids = self.nw.get_dpids(network_id)
dpids.remove(dpid)
for remote_dpid in dpids:
self.tunnel_requests.add(dpid, remote_dpid)
tunnel_dp = self.tunnel_dpset.get(dpid)
if tunnel_dp is None:
return
self._add_tunnel_ports(tunnel_dp, dpids)