def _start_core(self, settings):
"""Starts BGPS core using setting and given pool.
"""
# Get common settings
routing_settings = settings.BGP.get('routing')
common_settings = {}
# Get required common settings.
try:
common_settings[LOCAL_AS] = routing_settings.pop(LOCAL_AS)
common_settings[ROUTER_ID] = routing_settings.pop(ROUTER_ID)
except KeyError as e:
raise ApplicationException(
desc='Required minimum configuration missing %s' % e)
# Get optional common settings
common_settings[BGP_SERVER_PORT] = \
routing_settings.get(BGP_SERVER_PORT, DEFAULT_BGP_SERVER_PORT)
common_settings[REFRESH_STALEPATH_TIME] = \
routing_settings.get(REFRESH_STALEPATH_TIME,
DEFAULT_REFRESH_STALEPATH_TIME)
common_settings[REFRESH_MAX_EOR_TIME] = \
routing_settings.get(REFRESH_MAX_EOR_TIME,
DEFAULT_REFRESH_MAX_EOR_TIME)
common_settings[LABEL_RANGE] = \
routing_settings.get(LABEL_RANGE, DEFAULT_LABEL_RANGE)
# Start BGPS core service
waiter = hub.Event()
call('core.start', waiter=waiter, **common_settings)
waiter.wait()
LOG.debug('Core started %s' % CORE_MANAGER.started)
# Core manager started add configured neighbor and vrfs
if CORE_MANAGER.started:
# Add neighbors.
self._add_neighbors(routing_settings)
# Add Vrfs.
self._add_vrfs(routing_settings)
# Add Networks
self._add_networks(routing_settings)
def __init__(self, core_service, host, port):
super(BMPClient, self).__init__(name='BMPClient(%s:%s)' % (host, port))
self._core_service = core_service
self._core_service.signal_bus.register_listener(
BgpSignalBus.BGP_ADJ_RIB_IN_CHANGED,
lambda _, data: self.on_adj_rib_in_changed(data)
)
self._core_service.signal_bus.register_listener(
BgpSignalBus.BGP_ADJ_UP,
lambda _, data: self.on_adj_up(data)
)
self._core_service.signal_bus.register_listener(
BgpSignalBus.BGP_ADJ_DOWN,
lambda _, data: self.on_adj_down(data)
)
self._socket = None
self.server_address = (host, port)
self._connect_retry_event = hub.Event()
self._connect_retry_time = 5
def start(**kwargs):
"""Starts new context using provided configuration.
Raises RuntimeConfigError if a context is already active.
"""
if CORE_MANAGER.started:
raise RuntimeConfigError('Current context has to be stopped to start '
'a new context.')
try:
waiter = kwargs.pop('waiter')
except KeyError:
waiter = hub.Event()
common_config = CommonConf(**kwargs)
hub.spawn(CORE_MANAGER.start, *[], **{
'common_conf': common_config,
'waiter': waiter
})
return True
def get_port_stats(dpath, waiters, port_id, ofctl):
"""
get port stats
"""
_LOG.debug("get_port_stats: %d %s", dpath.id, port_id)
xid = dpath.get_xid()
lock = hub.Event()
msgs = list()
prev_msg_num = len(msgs)
if port_id is None:
port_id = dpath.ofproto.OFPP_ANY
dp_waiter = waiters.setdefault(dpath.id, {})
dp_waiter[xid] = (lock, msgs)
msg = fibcapi.new_ff_multipart_request_port(dpath.id, port_id, _PORT_STATS_NAMES)
dpath.send_msg(pb.FF_MULTIPART_REQUEST, msg, xid)
while True:
lock.wait(timeout=0.5)
curr_msg_num = len(msgs)
if curr_msg_num == prev_msg_num:
break
prev_msg_num = curr_msg_num
if not lock.is_set():
# Timeout
del dp_waiter[xid]
if not dp_waiter:
del waiters[dpath.id]
return None
stats_list = list()
for msg in msgs:
for stats in msg.port.stats:
stats_entry = {k:v for k, v in stats.values.items()}
stats_entry["port_no"] = stats.port_no
stats_list.append(stats_entry)
return {dpath.id: stats_list}
def _state_machine(self):
""" Port state machine.
Change next status when timer is exceeded
or _change_status() method is called."""
role_str = {
ROOT_PORT:'ROOT_PORT',
DESIGNATED_PORT:'DESIGNATED_PORT',
NON_DESIGNATED_PORT:'NON_DESIGNATED_PORT'
}
state_str = {
PORT_STATE_DISABLE:'DISABLE',
PORT_STATE_BLOCK:'BLOCK',
PORT_STATE_LISTEN:'LISTEN',
PORT_STATE_LEARN:'LEARN',
PORT_STATE_FORWARD:'FORWARD'
}
if self.state is PORT_STATE_DISABLE:
self.ofctl.set_port_status(self.ofport, self.state)
while True:
self.logger.info('[port=%d] %s / %s',
self.ofport.port_no,
role_str[self.role], state_str[self.state],
extra=self.dpid_str)
self.state_event = hub.Event()
timer = self._get_timer()
if timer:
timeout = hub.Timeout(timer)
try:
self.state_event.wait()
except hub.Timeout as t:
if t is not timeout:
err_msg = 'Internal error. Not my timeout.'
raise RyuException(msg=err_msg)
new_state = self._get_next_state()
self._change_status(new_state, thread_switch=False)
finally:
timeout.cancel()
else:
self.state_event.wait()
self.state_event = None
def _core_start(self, settings):
waiter = hub.Event()
call('core.start', waiter=waiter, **settings)
waiter.wait()
def test_event2(self):
ev = hub.Event()
# allow multiple sets unlike eventlet Event
ev.set()
ev.set()
def test_event1(self):
ev = hub.Event()
ev.set()
with hub.Timeout(1):
ev.wait() # should return immediately
def __init__(self, *args, **kwargs):
super(SimpleSwitchRest13, self).__init__(*args, **kwargs)
wsgi = kwargs['wsgi']
wsgi.register(SimpleSwitchController, {simple_switch_instance_name : self})
self.lock = hub.Event()
self.flows = []
def create_custom_event():
LOG.debug('Create CustomEvent called')
return hub.Event()
def _test_execute(self, test, description):
if not self.target_sw or not self.tester_sw:
self.logger.info('waiting for switches connection...')
self.sw_waiter = hub.Event()
self.sw_waiter.wait()
self.sw_waiter = None
if description:
self.logger.info('%s', description)
# Test execute.
try:
# 0. Initialize.
self._test(STATE_INIT)
# 1. Install flows.
for flow in test.prerequisite:
self._test(STATE_FLOW_INSTALL, flow)
self._test(STATE_FLOW_EXIST_CHK, flow)
# 2. Check flow matching.
for pkt in test.tests:
if KEY_EGRESS in pkt or KEY_PKT_IN in pkt:
target_pkt_count = [
self._test(STATE_TARGET_PKT_COUNT, True)
]
tester_pkt_count = [
self._test(STATE_TESTER_PKT_COUNT, False)
]
result = self._test(STATE_FLOW_MATCH_CHK, pkt)
if result == TIMEOUT:
target_pkt_count.append(
self._test(STATE_TARGET_PKT_COUNT, True))
tester_pkt_count.append(
self._test(STATE_TESTER_PKT_COUNT, False))
test_type = (KEY_EGRESS
if KEY_EGRESS in pkt else KEY_PKT_IN)
self._test(STATE_NO_PKTIN_REASON, test_type,
target_pkt_count, tester_pkt_count)
else:
before_stats = self._test(STATE_GET_MATCH_COUNT)
self._test(STATE_UNMATCH_PKT_SEND, pkt)
hub.sleep(INTERVAL)
self._test(STATE_FLOW_UNMATCH_CHK, before_stats, pkt)
result = [TEST_OK]
result_type = TEST_OK
except (TestFailure, TestError, TestTimeout, TestReceiveError) as err:
result = [TEST_ERROR, str(err)]
result_type = str(err).split(':', 1)[0]
except Exception:
result = [TEST_ERROR, RYU_INTERNAL_ERROR]
result_type = RYU_INTERNAL_ERROR
# Output test result.
self.logger.info(' %-100s %s', test.description, result[0])
if 1 < len(result):
self.logger.info(' %s', result[1])
if (result[1] == RYU_INTERNAL_ERROR
or result == 'An unknown exception'):
self.logger.error(traceback.format_exc())
if result[0] != TEST_OK and self.state == STATE_INIT:
self._test_end('--- Test terminated ---')
hub.sleep(0)
return result_type
def _test_execute(self, test, description):
if isinstance(self.target_sw.dp, DummyDatapath) or \
isinstance(self.tester_sw.dp, DummyDatapath):
self.logger.info('waiting for switches connection...')
self.sw_waiter = hub.Event()
self.sw_waiter.wait()
self.sw_waiter = None
if description:
self.logger.info('%s', description)
self.thread_msg = None
# Test execute.
try:
# Initialize.
self._test(STATE_INIT_METER)
self._test(STATE_INIT_FLOW, self.target_sw)
self._test(STATE_INIT_THROUGHPUT_FLOW, self.tester_sw,
THROUGHPUT_COOKIE)
# Install flows.
for flow in test.prerequisite:
if isinstance(flow, ofproto_v1_3_parser.OFPFlowMod):
self._test(STATE_FLOW_INSTALL, self.target_sw, flow)
self._test(STATE_FLOW_EXIST_CHK,
self.target_sw.send_flow_stats, flow)
elif isinstance(flow, ofproto_v1_3_parser.OFPMeterMod):
self._test(STATE_METER_INSTALL, self.target_sw, flow)
self._test(STATE_METER_EXIST_CHK,
self.target_sw.send_meter_config_stats, flow)
# Do tests.
for pkt in test.tests:
# Get stats before sending packet(s).
if KEY_EGRESS in pkt or KEY_PKT_IN in pkt:
target_pkt_count = [
self._test(STATE_TARGET_PKT_COUNT, True)
]
tester_pkt_count = [
self._test(STATE_TESTER_PKT_COUNT, False)
]
elif KEY_THROUGHPUT in pkt:
# install flows for throughput analysis
for throughput in pkt[KEY_THROUGHPUT]:
flow = throughput[KEY_FLOW]
self._test(STATE_THROUGHPUT_FLOW_INSTALL,
self.tester_sw, flow)
self._test(STATE_THROUGHPUT_FLOW_EXIST_CHK,
self.tester_sw.send_flow_stats, flow)
start = self._test(STATE_GET_THROUGHPUT)
elif KEY_TBL_MISS in pkt:
before_stats = self._test(STATE_GET_MATCH_COUNT)
# Send packet(s).
if KEY_INGRESS in pkt:
self._one_time_packet_send(pkt)
elif KEY_PACKETS in pkt:
self._continuous_packet_send(pkt)
# Check a result.
if KEY_EGRESS in pkt or KEY_PKT_IN in pkt:
result = self._test(STATE_FLOW_MATCH_CHK, pkt)
if result == TIMEOUT:
target_pkt_count.append(
self._test(STATE_TARGET_PKT_COUNT, True))
tester_pkt_count.append(
self._test(STATE_TESTER_PKT_COUNT, False))
test_type = (KEY_EGRESS
if KEY_EGRESS in pkt else KEY_PKT_IN)
self._test(STATE_NO_PKTIN_REASON, test_type,
target_pkt_count, tester_pkt_count)
elif KEY_THROUGHPUT in pkt:
end = self._test(STATE_GET_THROUGHPUT)
self._test(STATE_THROUGHPUT_CHK, pkt[KEY_THROUGHPUT],
start, end)
elif KEY_TBL_MISS in pkt:
self._test(STATE_SEND_BARRIER)
hub.sleep(INTERVAL)
self._test(STATE_FLOW_UNMATCH_CHK, before_stats, pkt)
result = [TEST_OK]
result_type = TEST_OK
except (TestFailure, TestError, TestTimeout, TestReceiveError) as err:
result = [TEST_ERROR, str(err)]
result_type = str(err).split(':', 1)[0]
except Exception:
result = [TEST_ERROR, RYU_INTERNAL_ERROR]
result_type = RYU_INTERNAL_ERROR
finally:
self.ingress_event = None
for tid in self.ingress_threads:
hub.kill(tid)
self.ingress_threads = []
# Output test result.
self.logger.info(' %-100s %s', test.description, result[0])
if 1 < len(result):
self.logger.info(' %s', result[1])
if (result[1] == RYU_INTERNAL_ERROR
or result == 'An unknown exception'):
self.logger.error(traceback.format_exc())
hub.sleep(0)
return result_type
def __init__(self, *args, **kwargs):
super(Valve, self).__init__(*args, **kwargs)
self.mac_to_port = {}
self._snoop = kwargs['igmplib']
# if you want a switch to operate as a querier,
# set up as follows:
self._snoop.set_querier_mode(dpid=str_to_dpid('0000000000000001'),
server_port=2)
# dpid the datapath id that will operate as a querier.
# server_port a port number which connect to the multicast
# server.
#
# NOTE: you can set up only the one querier.
# when you called this method several times,
# only the last one becomes effective.
# start a thread for stats gethering
self.stats_event = hub.Event()
self.threads.append(hub.spawn(self.stats_loop))
self.datapaths = []
self.statstimeout = 5
# Setup logging
handler = logging.StreamHandler()
log_format = '%(asctime)s %(name)-8s %(levelname)-8s %(message)s'
formatter = logging.Formatter(log_format, '%b %d %H:%M:%S')
handler.setFormatter(formatter)
self.logger.addHandler(handler)
self.logger.propagate = 0
# Read in config file
self.portdb = None
self.vlandb = {}
self.acldb = {}
with open('valve.yaml', 'r') as stream:
self.portdb = yaml.load(stream)
# Make sure exclude property always exists in 'default'
if 'default' in self.portdb and 'exclude' not in self.portdb['default']:
self.portdb['default'] = []
# Make sure acls property always at the top level
if 'acls' not in self.portdb:
self.portdb['acls'] = {}
# Parse top level acls
for nw_address in self.portdb['acls']:
if nw_address not in self.acldb:
self.acldb[nw_address] = []
for acl in self.portdb['acls'][nw_address]:
acl = ACL(acl['match'], acl['action'])
self.logger.info("adding %s on nw_dst:%s" % (acl, nw_address))
self.acldb[nw_address].append(acl)
# Parse configuration
for dpid in self.portdb:
if dpid in ('all', 'default', 'acls'):
# Skip nodes that aren't real datapaths
continue
# Handle acls, default acls < port acls < global acls
# Copy out port acls and clear port acl list
#port_acls = []
#if 'acls' in self.portdb[dpid]:
# port_acls = self.portdb[dpid]['acls']
#self.portdb[dpid]['acls'] = []
# Add default acls
#if 'default' in self.portdb and \
#'acls' in self.portdb['default'] and \
#port not in self.portdb['default']['exclude']:
# self.add_acls_to_port(port, self.portdb['default']['acls'])
# Add port acls
#self.add_acls_to_port(port, port_acls)
# Add global acls
#if 'all' in self.portdb and 'acls' in self.portdb['all']:
# self.add_acls_to_port(port, self.portdb['all']['acls'])
# Now that we've resolved all acls we can print them
#for acl in self.portdb[port]['acls']:
# self.logger.info("adding %s on port:%s" % (acl, port))
# Handle vlans
# If we have global vlans add them
if 'all' in self.portdb and \
all (k in self.portdb['all'] for k in ('vlans','type')):
vlans = self.portdb['all']['vlans']
ptype = self.portdb['all']['type']
self.logger.info("adding ALL type:%s, vlan:%s" %
(ptype, str(vlans)))
for port in self.portdb[dpid]:
#self.dump(self.portdb[dpid][port])
self.portdb[dpid][port]['vlans'] = vlans
self.portdb[dpid][port]['type'] = ptype
for port in self.portdb[dpid]:
# Add vlans defined on this port (or add default values)
if 'vlans' in self.portdb[dpid][
port] and 'type' in self.portdb[dpid][port]:
vlans = self.portdb[dpid][port]['vlans']
ptype = self.portdb[dpid][port]['type']
self.add_port_to_vlans(dpid, port, vlans, ptype)
elif 'default' in self.portdb and \
all (k in self.portdb['default'] for k in ('vlans','type')) and \
port not in self.portdb['default']['exclude']:
vlans = self.portdb['default']['vlans']
ptype = self.portdb['default']['type']
self.portdb[dpid][port]['vlans'] = vlans
self.portdb[dpid][port]['type'] = ptype
self.add_port_to_vlans(dpid, subif, vlans, ptype)
# Remove nodes that aren't real ports
for n in ('all', 'default', 'acls'):
if n in self.portdb:
del self.portdb[n]
