def neighbor_rib_out_withdraw(self, peer_name):
peer = self._peers.get(peer_name, None)
if not peer:
log.critical('could not find referenced peer', 'reactor')
return
peer.neighbor.rib.outgoing.withdraw(
None, peer.neighbor['capability']['route-refresh'])
def daemonise(self):
if not self.daemonize:
return
logging = getenv().log
if logging.enable and logging.destination.lower() in ('stdout', 'stderr'):
log.critical('ExaBGP can not fork when logs are going to %s' % log.destination.lower(), 'daemon')
return
def fork_exit():
try:
pid = os.fork()
if pid > 0:
os._exit(0)
except OSError as exc:
log.critical('can not fork, errno %d : %s' % (exc.errno, exc.strerror), 'daemon')
# do not detach if we are already supervised or run by init like process
if self._is_socket(sys.__stdin__.fileno()) or os.getppid() == 1:
return
fork_exit()
os.setsid()
fork_exit()
self.silence()
def fork_exit():
try:
pid = os.fork()
if pid > 0:
os._exit(0)
except OSError as exc:
log.critical('can not fork, errno %d : %s' % (exc.errno, exc.strerror), 'daemon')
def writer(self, data):
if not self.io:
# XXX: FIXME: Make sure it does not hold the cleanup during the closing of the peering session
yield True
return
while not self.writing():
yield False
logfunc.debug(lazyformat('sending TCP payload', data), self.session())
# The first while is here to setup the try/catch block once as it is very expensive
while True:
try:
while True:
if self.defensive and random.randint(0, 2):
raise socket.error(errno.EAGAIN,
'raising network error on purpose')
# we can not use sendall as in case of network buffer filling
# it does raise and does not let you know how much was sent
number = self.io.send(data)
if not number:
self.close()
log.warning(
'%s %s lost TCP connection with peer' %
(self.name(), self.peer), self.session())
raise LostConnection('lost the TCP connection')
data = data[number:]
if not data:
yield True
return
yield False
except socket.error as exc:
if exc.args[0] in error.block:
log.debug(
'%s %s blocking io problem mid-way through writing a message %s, trying to complete'
% (self.name(), self.peer, errstr(exc)),
self.session(),
)
yield False
elif exc.errno == errno.EPIPE:
# The TCP connection is gone.
self.close()
raise NetworkError('Broken TCP connection')
elif exc.args[0] in error.fatal:
self.close()
log.critical(
'%s %s problem sending message (%s)' %
(self.name(), self.peer, errstr(exc)), self.session())
raise NetworkError(
'Problem while writing data to the network (%s)' %
errstr(exc))
# what error could it be !
else:
log.critical(
'%s %s undefined error writing on socket' %
(self.name(), self.peer), self.session())
yield False
def neighor_rib(self, peer_name, rib_name, advertised=False):
peer = self._peers.get(peer_name, None)
if not peer:
log.critical('could not find referenced peer', 'reactor')
return []
families = None
if advertised:
families = peer.proto.negotiated.families if peer.proto else []
rib = peer.neighbor.rib.outgoing if rib_name == 'out' else peer.neighbor.rib.incoming
return list(rib.cached_changes(families))
def _reader(self, number):
# The function must not be called if it does not return with no data with a smaller size as parameter
if not self.io:
self.close()
raise NotConnected('Trying to read on a closed TCP connection')
if number == 0:
yield b''
return
while not self.reading():
yield b''
data = b''
reported = ''
while True:
try:
while True:
if self.defensive and random.randint(0, 2):
raise socket.error(errno.EAGAIN, 'raising network error on purpose')
read = self.io.recv(number)
if not read:
self.close()
log.warning('%s %s lost TCP session with peer' % (self.name(), self.peer), self.session())
raise LostConnection('the TCP connection was closed by the remote end')
data += read
number -= len(read)
if not number:
log.debug(LazyFormat('received TCP payload', data), self.session())
yield data
return
yield b''
except socket.timeout as exc:
self.close()
log.warning('%s %s peer is too slow' % (self.name(), self.peer), self.session())
raise TooSlowError('Timeout while reading data from the network (%s)' % errstr(exc))
except socket.error as exc:
if exc.args[0] in error.block:
message = '%s %s blocking io problem mid-way through reading a message %s, trying to complete' % (
self.name(),
self.peer,
errstr(exc),
)
if message != reported:
reported = message
log.debug(message, self.session())
yield b''
elif exc.args[0] in error.fatal:
self.close()
raise LostConnection('issue reading on the socket: %s' % errstr(exc))
# what error could it be !
else:
log.critical('%s %s undefined error reading on socket' % (self.name(), self.peer), self.session())
raise NetworkError('Problem while reading data from the network (%s)' % errstr(exc))
def shutdown(self):
"""Terminate all the current BGP connections"""
log.critical('performing shutdown', 'reactor')
if self.listener:
self.listener.stop()
self.listener = None
for key in self._peers.keys():
self._peers[key].shutdown()
self.asynchronous.clear()
self.processes.terminate()
self.daemon.removepid()
self._stopping = True
def listen_on(self, local_addr, remote_addr, port, md5_password,
md5_base64, ttl_in):
try:
if not remote_addr:
remote_addr = IP.create(
'0.0.0.0') if local_addr.ipv4() else IP.create('::')
self._listen(local_addr, remote_addr, port, md5_password,
md5_base64, ttl_in)
log.debug(
'listening for BGP session(s) on %s:%d%s' %
(local_addr, port, ' with MD5' if md5_password else ''),
'network',
)
return True
except NetworkError as exc:
if os.geteuid() != 0 and port <= 1024:
log.critical(
'can not bind to %s:%d, you may need to run ExaBGP as root'
% (local_addr, port), 'network')
else:
log.critical(
'can not bind to %s:%d (%s)' %
(local_addr, port, str(exc)), 'network')
log.critical(
'unset exabgp.tcp.bind if you do not want listen for incoming connections',
'network')
log.critical(
'and check that no other daemon is already binding to port %d'
% port, 'network')
return False
def _listen(self, local_ip, peer_ip, local_port, md5, md5_base64, ttl_in):
self.serving = True
for sock, (local, port, peer, md) in self._sockets.items():
if local_ip.top() != local:
continue
if local_port != port:
continue
MD5(sock, peer_ip.top(), 0, md5, md5_base64)
if ttl_in:
MIN_TTL(sock, peer_ip, ttl_in)
return
try:
sock = self._new_socket(local_ip)
# MD5 must match the peer side of the TCP, not the local one
MD5(sock, peer_ip.top(), 0, md5, md5_base64)
if ttl_in:
MIN_TTL(sock, peer_ip, ttl_in)
try:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
if local_ip.ipv6():
sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 1)
except (socket.error, AttributeError):
pass
sock.setblocking(0)
# s.settimeout(0.0)
sock.bind((local_ip.top(), local_port))
sock.listen(self._backlog)
self._sockets[sock] = (local_ip.top(), local_port, peer_ip.top(),
md5)
except socket.error as exc:
if exc.args[0] == errno.EADDRINUSE:
raise BindingError(
'could not listen on %s:%d, the port may already be in use by another application'
% (local_ip, local_port))
elif exc.args[0] == errno.EADDRNOTAVAIL:
raise BindingError(
'could not listen on %s:%d, this is an invalid address' %
(local_ip, local_port))
raise NetworkError(str(exc))
except NetworkError as exc:
log.critical(str(exc), 'network')
raise exc
def incoming(self):
if not self.serving:
return False
peer_connected = False
for sock in self._sockets:
if sock in self._accepted:
continue
try:
io, _ = sock.accept()
self._accepted[sock] = io
peer_connected = True
except socket.error as exc:
if exc.errno in error.block:
continue
log.critical(str(exc), 'network')
return peer_connected
def _connected(self):
try:
for sock, io in list(self._accepted.items()):
del self._accepted[sock]
if sock.family == socket.AF_INET:
local_ip = io.getpeername()[0] # local_ip,local_port
remote_ip = io.getsockname()[0] # remote_ip,remote_port
elif sock.family == socket.AF_INET6:
local_ip = io.getpeername()[
0] # local_ip,local_port,local_flow,local_scope
remote_ip = io.getsockname()[
0] # remote_ip,remote_port,remote_flow,remote_scope
else:
raise AcceptError('unexpected address family (%d)' %
sock.family)
fam = self._family_AFI_map[sock.family]
yield Incoming(fam, remote_ip, local_ip, io)
except NetworkError as exc:
log.critical(str(exc), 'network')
def sigusr1(self, signum, frame):
log.critical('SIGUSR1 received', 'reactor')
if self.received:
log.critical('ignoring - still handling previous signal',
'reactor')
return
log.critical('scheduling reload of configuration', 'reactor')
self.received = self.RELOAD
self.number = signum
def sigalrm(self, signum, frame):
log.critical('SIGALRM received', 'reactor')
if self.received:
log.critical('ignoring - still handling previous signal',
'reactor')
return
log.critical('scheduling restart', 'reactor')
self.received = self.RESTART
self.number = signum
def sighup(self, signum, frame):
log.critical('SIGHUP received', 'reactor')
if self.received:
log.critical('ignoring - still handling previous signal',
'reactor')
return
log.critical('scheduling shutdown', 'reactor')
self.received = self.SHUTDOWN
self.number = signum
def cmdline(cmdarg):
env = getenv()
# Must be done before setting the logger as it modify its behaviour
if cmdarg.verbose:
env.log.all = True
env.log.level = syslog.LOG_DEBUG
log.init()
if cmdarg.pdb:
env.debug.pdb = True
if cmdarg.verbose:
env.log.parser = True
for configuration in cmdarg.configuration:
log.notice(f'loading {configuration}', 'configuration')
location = getconf(configuration)
if not location:
log.critical(f'{configuration} is not an exabgp config file',
'configuration')
sys.exit(1)
config = Reactor([location]).configuration
if not config.reload():
log.critical(f'{configuration} is not a valid config file',
'configuration')
sys.exit(1)
log.info(f'\u2713 loading', 'configuration')
if cmdarg.neighbor:
log.notice(f'checking neighbors', 'configuration')
for name, neighbor in config.neighbors.items():
reparsed = neighbor.string()
for line in reparsed.split('\n'):
log.debug(line, configuration)
log.info(f'\u2713 neighbor {name.split()[1]}',
'configuration')
if cmdarg.route:
log.notice(f'checking routes', 'configuration')
if not check_generation(config.neighbors):
log.critical(f'{configuration} has an invalid route',
'configuration')
sys.exit(1)
log.info(f'\u2713 routes', 'configuration')
def _start(self, process):
if not self._restart.get(process, True):
return
try:
if process in self._process:
log.debug('process already running', 'process')
return
if process not in self._configuration:
log.debug('can not start process, no configuration for it',
'process')
return
# Prevent some weird termcap data to be created at the start of the PIPE
# \x1b[?1034h (no-eol) (esc)
os.environ['TERM'] = 'dumb'
configuration = self._configuration[process]
run = configuration.get('run', '')
if run:
api = configuration.get('encoder', '')
self._encoder[process] = Response.Text(
text_version) if api == 'text' else Response.JSON(
json_version)
self._process[process] = subprocess.Popen(
run,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
preexec_fn=preexec_helper
# This flags exists for python 2.7.3 in the documentation but on on my MAC
# creationflags=subprocess.CREATE_NEW_PROCESS_GROUP
)
self._update_fds()
fcntl.fcntl(self._process[process].stdout.fileno(),
fcntl.F_SETFL, os.O_NONBLOCK)
log.debug('forked process %s' % process, 'process')
self._restart[process] = self._configuration[process][
'respawn']
around_now = int(time.time()) & self.respawn_timemask
if process in self._respawning:
if around_now in self._respawning[process]:
self._respawning[process][around_now] += 1
# we are respawning too fast
if self._respawning[process][
around_now] > self.respawn_number:
log.critical(
'Too many death for %s (%d) terminating program'
% (process, self.respawn_number),
'process',
)
raise ProcessError()
else:
# reset long time since last respawn
self._respawning[process] = {around_now: 1}
else:
# record respawing
self._respawning[process] = {around_now: 1}
except (subprocess.CalledProcessError, OSError, ValueError) as exc:
self._broken.append(process)
log.debug('could not start process %s' % process, 'process')
log.debug('reason: %s' % str(exc), 'process')
def cmdline(cmdarg):
if not os.path.isfile(ENVFILE):
comment = 'environment file missing\ngenerate it using "exabgp env --fi > %s"' % ENVFILE
else:
comment = ''
env = getenv()
# Must be done before setting the logger as it modify its behaviour
if cmdarg.debug:
env.log.all = True
env.log.level = syslog.LOG_DEBUG
log.init()
if cmdarg.profile:
env.profile.enable = True
env.profile.file = cmdarg.profile
if cmdarg.once:
env.tcp.once = True
if cmdarg.pdb:
env.debug.pdb = True
if cmdarg.test:
env.log.parser = True
if cmdarg.memory:
env.debug.memory = True
if env.cache.attributes:
Attribute.caching = env.cache.attributes
configurations = []
for configuration in cmdarg.configuration:
location = getconf(configuration)
if not location:
log.critical(f'{configuration} is not an exabgp config file', 'configuration')
sys.exit(1)
configurations.append(configuration)
delay = cmdarg.signal
_delayed_signal(delay, signal.SIGUSR1)
if env.debug.rotate or len(configurations) == 1:
run(comment, configurations, cmdarg.validate)
if not (env.log.destination in ('syslog', 'stdout', 'stderr') or env.log.destination.startswith('host:')):
log.error('can not log to files when running multiple configuration (as we fork)', 'configuration')
sys.exit(1)
try:
# run each configuration in its own process
pids = []
for configuration in configurations:
pid = os.fork()
if pid == 0:
run(comment, [configuration], cmdarg.validate, os.getpid())
else:
pids.append(pid)
# If we get a ^C / SIGTERM, ignore just continue waiting for our child process
signal.signal(signal.SIGINT, signal.SIG_IGN)
# wait for the forked processes
for pid in pids:
os.waitpid(pid, 0)
except OSError as exc:
log.critical('can not fork, errno %d : %s' % (exc.errno, exc.strerror), 'reactor')
sys.exit(1)
def messages(self, negotiated, include_withdraw=True):
# sort the nlris
nlris = []
mp_nlris = {}
for nlri in sorted(self.nlris):
if nlri.family() not in negotiated.families:
continue
add_v4 = nlri.afi == AFI.ipv4
add_v4 = add_v4 and nlri.safi in [SAFI.unicast, SAFI.multicast]
del_v4 = add_v4 and nlri.action == OUT.WITHDRAW
if del_v4:
nlris.append(nlri)
continue
add_v4 = add_v4 and nlri.action == OUT.ANNOUNCE
add_v4 = add_v4 and nlri.nexthop.afi == AFI.ipv4
if add_v4:
nlris.append(nlri)
continue
if nlri.nexthop.afi != AFI.undefined:
mp_nlris.setdefault(nlri.family(), {}).setdefault(nlri.action, []).append(nlri)
continue
if nlri.safi in (SAFI.flow_ip, SAFI.flow_vpn):
mp_nlris.setdefault(nlri.family(), {}).setdefault(nlri.action, []).append(nlri)
continue
raise ValueError("unexpected nlri definition (%s)" % nlri)
if not nlris and not mp_nlris:
return
# If all we have is MP_UNREACH_NLRI, we do not need the default
# attributes. See RFC4760 that states the following:
#
# An UPDATE message that contains the MP_UNREACH_NLRI is not required
# to carry any other path attributes.
#
include_defaults = True
if mp_nlris and not nlris:
for family, actions in mp_nlris.items():
afi, safi = family
if safi not in (SAFI.unicast, SAFI.multicast):
break
if set(actions.keys()) != {OUT.WITHDRAW}:
break
# no break
else:
include_defaults = False
attr = self.attributes.pack(negotiated, include_defaults)
# Withdraws/NLRIS (IPv4 unicast and multicast)
msg_size = negotiated.msg_size - 19 - 2 - 2 - len(attr) # 2 bytes for each of the two prefix() header
if msg_size < 0:
# raise Notify(6,0,'attributes size is so large we can not even pack one NLRI')
log.critical('attributes size is so large we can not even pack one NLRI', 'parser')
return
if msg_size == 0 and (nlris or mp_nlris):
# raise Notify(6,0,'attributes size is so large we can not even pack one NLRI')
log.critical('attributes size is so large we can not even pack one NLRI', 'parser')
return
withdraws = b''
announced = b''
for nlri in nlris:
packed = nlri.pack(negotiated)
if len(announced + withdraws + packed) <= msg_size:
if nlri.action == OUT.ANNOUNCE:
announced += packed
elif include_withdraw:
withdraws += packed
continue
if not withdraws and not announced:
# raise Notify(6,0,'attributes size is so large we can not even pack one NLRI')
log.critical('attributes size is so large we can not even pack one NLRI', 'parser')
return
if announced:
yield self._message(Update.prefix(withdraws) + Update.prefix(attr) + announced)
else:
yield self._message(Update.prefix(withdraws) + Update.prefix(b'') + announced)
if nlri.action == OUT.ANNOUNCE:
announced = packed
withdraws = b''
elif include_withdraw:
withdraws = packed
announced = b''
else:
withdraws = b''
announced = b''
if announced or withdraws:
if announced:
yield self._message(Update.prefix(withdraws) + Update.prefix(attr) + announced)
else:
yield self._message(Update.prefix(withdraws) + Update.prefix(b'') + announced)
for family in mp_nlris.keys():
afi, safi = family
mp_reach = b''
mp_unreach = b''
mp_announce = MPRNLRI(afi, safi, mp_nlris[family].get(OUT.ANNOUNCE, []))
mp_withdraw = MPURNLRI(afi, safi, mp_nlris[family].get(OUT.WITHDRAW, []))
for mprnlri in mp_announce.packed_attributes(negotiated, msg_size - len(withdraws + announced)):
if mp_reach:
yield self._message(Update.prefix(withdraws) + Update.prefix(attr + mp_reach) + announced)
announced = b''
withdraws = b''
mp_reach = mprnlri
if include_withdraw:
for mpurnlri in mp_withdraw.packed_attributes(
negotiated, msg_size - len(withdraws + announced + mp_reach)
):
if mp_unreach:
yield self._message(
Update.prefix(withdraws) + Update.prefix(attr + mp_unreach + mp_reach) + announced
)
mp_reach = b''
announced = b''
withdraws = b''
mp_unreach = mpurnlri
yield self._message(
Update.prefix(withdraws) + Update.prefix(attr + mp_unreach + mp_reach) + announced
) # yield mpr/mpur per family
withdraws = b''
announced = b''
def neighbor_rib_resend(self, peer_name):
peer = self._peers.get(peer_name, None)
if not peer:
log.critical('could not find referenced peer', 'reactor')
return
peer.neighbor.rib.outgoing.resend(None, peer.neighbor.route_refresh)
def _termination(self, reason, exit_code):
self.exit_code = exit_code
self.signal.received = Signal.SHUTDOWN
log.critical(reason, 'reactor')
def run(self):
self.daemon.daemonise()
# Make sure we create processes once we have closed file descriptor
# unfortunately, this must be done before reading the configuration file
# so we can not do it with dropped privileges
self.processes = Processes()
# we have to read the configuration possibly with root privileges
# as we need the MD5 information when we bind, and root is needed
# to bind to a port < 1024
# this is undesirable as :
# - handling user generated data as root should be avoided
# - we may not be able to reload the configuration once the privileges are dropped
# but I can not see any way to avoid it
for ip in self._ips:
if not self.listener.listen_on(ip, None, self._port, None, False,
None):
return self.Exit.listening
if not self.reload():
return self.Exit.configuration
for neighbor in self.configuration.neighbors.values():
if neighbor['listen']:
if not self.listener.listen_on(
neighbor['md5-ip'],
neighbor['peer-address'],
neighbor['listen'],
neighbor['md5-password'],
neighbor['md5-base64'],
neighbor['incoming-ttl'],
):
return self.Exit.listening
if not self.early_drop:
self.processes.start(self.configuration.processes)
if not self.daemon.drop_privileges():
log.critical(
'could not drop privileges to \'%s\' refusing to run as root' %
self.daemon.user, 'reactor')
log.critical(
'set the environmemnt value exabgp.daemon.user to change the unprivileged user',
'reactor')
return self.Exit.privileges
if self.early_drop:
self.processes.start(self.configuration.processes)
# This is required to make sure we can write in the log location as we now have dropped root privileges
log.init(getenv())
if not self.daemon.savepid():
return self.Exit.pid
wait = getenv().tcp.delay
if wait:
sleeptime = (wait * 60) - int(time.time()) % (wait * 60)
log.debug('waiting for %d seconds before connecting' % sleeptime,
'reactor')
time.sleep(float(sleeptime))
workers = {}
peers = set()
api_fds = []
ms_sleep = int(self._sleep_time * 1000)
while True:
try:
if self.signal.received:
signaled = self.signal.received
# report that we received a signal
for key in self._peers:
if self._peers[key].neighbor.api['signal']:
self._peers[key].reactor.processes.signal(
self._peers[key].neighbor, self.signal.number)
self.signal.rearm()
# we always want to exit
if signaled == Signal.SHUTDOWN:
self.exit_code = self.Exit.normal
self.shutdown()
break
# it does mot matter what we did if we are restarting
# as the peers and network stack are replaced by new ones
if signaled == Signal.RESTART:
self.restart()
continue
# did we complete the run of updates caused by the last SIGUSR1/SIGUSR2 ?
if self._pending_adjribout():
continue
if signaled == Signal.RELOAD:
self.reload()
self.processes.start(self.configuration.processes,
False)
continue
if signaled == Signal.FULL_RELOAD:
self.reload()
self.processes.start(self.configuration.processes,
True)
continue
if self.listener.incoming():
# check all incoming connection
self.asynchronous.schedule(
str(uuid.uuid1()), 'checking for new connection(s)',
self.listener.new_connections())
sleep = ms_sleep
# do not attempt to listen on closed sockets even if the peer is still here
for io in list(workers.keys()):
if io == -1:
self._poller.unregister(io)
del workers[io]
peers = self.active_peers()
# give a turn to all the peers
for key in list(peers):
peer = self._peers[key]
# limit the number of message handling per second
if self._rate_limited(key, peer.neighbor['rate-limit']):
peers.discard(key)
continue
# handle the peer
action = peer.run()
# .run() returns an ACTION enum:
# * immediate if it wants to be called again
# * later if it should be called again but has no work atm
# * close if it is finished and is closing down, or restarting
if action == ACTION.CLOSE:
if key in self._peers:
del self._peers[key]
peers.discard(key)
# we are loosing this peer, not point to schedule more process work
elif action == ACTION.LATER:
io = peer.socket()
if io != -1:
self._poller.register(
io,
select.POLLIN | select.POLLPRI | select.POLLHUP
| select.POLLNVAL | select.POLLERR)
workers[io] = key
# no need to come back to it before a a full cycle
peers.discard(key)
elif action == ACTION.NOW:
sleep = 0
if not peers:
break
# read at least on message per process if there is some and parse it
for service, command in self.processes.received():
self.api.text(self, service, command)
sleep = 0
self.asynchronous.run()
if api_fds != self.processes.fds:
for fd in api_fds:
if fd == -1:
continue
if fd not in self.processes.fds:
self._poller.unregister(fd)
for fd in self.processes.fds:
if fd == -1:
continue
if fd not in api_fds:
self._poller.register(
fd,
select.POLLIN | select.POLLPRI | select.POLLHUP
| select.POLLNVAL | select.POLLERR)
api_fds = self.processes.fds
for io in self._wait_for_io(sleep):
if io not in api_fds:
peers.add(workers[io])
if self._stopping and not self._peers.keys():
self._termination('exiting on peer termination',
self.Exit.normal)
except KeyboardInterrupt:
self._termination('^C received', self.Exit.normal)
except SystemExit:
self._termination('exiting', self.Exit.normal)
# socket.error is a subclass of IOError (so catch it first)
except socket.error:
self._termination('socket error received', self.Exit.socket)
except IOError:
self._termination(
'I/O Error received, most likely ^C during IO',
self.Exit.io_error)
except ProcessError:
self._termination(
'Problem when sending message(s) to helper program, stopping',
self.Exit.process)
except select.error:
self._termination('problem using select, stopping',
self.Exit.select)
return self.exit_code
def neighbor_rib_in_clear(self, peer_name):
peer = self._peers.get(peer_name, None)
if not peer:
log.critical('could not find referenced peer', 'reactor')
return
peer.neighbor.rib.incoming.clear()
def handle_connection(self, peer_name, connection):
peer = self._peers.get(peer_name, None)
if not peer:
log.critical('could not find referenced peer', 'reactor')
return
peer.handle_connection(connection)
def neighbor_ip(self, peer_name):
peer = self._peers.get(peer_name, None)
if not peer:
log.critical('could not find referenced peer', 'reactor')
return ""
return str(peer.neighbor['peer-address'])
def neighbor_cli_data(self, peer_name):
peer = self._peers.get(peer_name, None)
if not peer:
log.critical('could not find referenced peer', 'reactor')
return ""
return peer.cli_data()