def _connect(self):
proto = Protocol(self)
generator = proto.connect()
connected = False
try:
for connected in generator:
if connected:
break
if self._teardown:
raise Stop()
# we want to come back as soon as possible
yield ACTION.LATER
self.proto = proto
except Stop:
# Connection failed
if not connected and self.proto:
self.proto.close(
'connection to %s:%d failed' %
(self.neighbor.peer_address, self.neighbor.connect))
# A connection arrived before we could establish !
if not connected or self.proto:
yield ACTION.NOW
raise Interrupted()
def _connect (self):
proto = Protocol(self)
generator = proto.connect()
connected = False
try:
while not connected:
if self._teardown:
raise StopIteration()
connected = six.next(generator)
# we want to come back as soon as possible
yield ACTION.LATER
self.proto = proto
except StopIteration:
# Connection failed
if not connected and self.proto:
self.proto.close('connection to %s:%d failed' % (self.neighbor.peer_address,self.neighbor.connect))
# A connection arrived before we could establish !
if not connected or self.proto:
yield ACTION.NOW
raise Interrupted()
def _connect (self):
# try to establish the outgoing connection
proto = Protocol(self)
generator = proto.connect()
connected = False
try:
while not connected:
if self._teardown:
raise StopIteration()
connected = generator.next()
# we want to come back as soon as possible
yield ACTION.LATER
except StopIteration:
# Connection failed
if not connected:
proto.close('connection to peer failed',self._['in']['state'] != STATE.ESTABLISHED)
# A connection arrived before we could establish !
if not connected or self._['in']['proto']:
stop = Interrupted()
stop.direction = 'out'
yield ACTION.NOW
raise stop
self._['out']['state'] = STATE.CONNECT
self._['out']['proto'] = proto
# send OPEN
# Only yield if we have not the open, otherwise the reactor can run the other connection
# which would be bad as we need to set the state without going to the other peer
message = Message.CODE.NOP
for message in proto.new_open(self._restarted):
if ord(message.TYPE) == Message.CODE.NOP:
yield ACTION.NOW
proto.negotiated.sent(message)
self._['out']['state'] = STATE.OPENSENT
# Read OPEN
wait = environment.settings().bgp.openwait
opentimer = ReceiveTimer(self.me,wait,1,1,'waited for open too long, we do not like stuck in active')
for message in self._['out']['proto'].read_open(self.neighbor.peer_address.ip):
opentimer.check_ka(message)
# XXX: FIXME: change the whole code to use the ord and not the chr version
# Only yield if we have not the open, otherwise the reactor can run the other connection
# which would be bad as we need to do the collission check
if ord(message.TYPE) == Message.CODE.NOP:
yield ACTION.LATER
self._['out']['state'] = STATE.OPENCONFIRM
proto.negotiated.received(message)
proto.validate_open()
if self._['in']['state'] == STATE.OPENCONFIRM:
self.logger.network('outgoing connection finds the incoming connection is in openconfirm')
local_id = self.neighbor.router_id.packed
remote_id = proto.negotiated.received_open.router_id.packed
if local_id < remote_id:
self.logger.network('aborting the outgoing connection')
stop = Interrupted()
stop.direction = 'out'
raise stop
else:
self.logger.network('closing the incoming connection')
self._stop('in','collision local id < remote id')
yield ACTION.LATER
# Send KEEPALIVE
for message in proto.new_keepalive('OPENCONFIRM'):
yield ACTION.NOW
# Start keeping keepalive timer
self.recv_timer = ReceiveTimer(self.me,proto.negotiated.holdtime,4,0)
# Read KEEPALIVE
for message in self._['out']['proto'].read_keepalive():
self.recv_timer.check_ka(message)
yield ACTION.NOW
self._['out']['state'] = STATE.ESTABLISHED
# let the caller know that we were sucesfull
yield ACTION.NOW
def _connect (self):
# try to establish the outgoing connection
proto = Protocol(self)
generator = proto.connect()
connected = False
try:
while not connected:
connected = generator.next()
# we want to come back as soon as possible
yield ACTION.later
except StopIteration:
# Connection failed
if not connected:
proto.close('connection to peer failed')
# A connection arrived before we could establish !
if not connected or self._['in']['proto']:
stop = Interrupted()
stop.direction = 'out'
raise stop
self._['out']['state'] = STATE.connect
self._['out']['proto'] = proto
# send OPEN
# Only yield if we have not the open, otherwise the reactor can run the other connection
# which would be bad as we need to set the state without going to the other peer
for message in proto.new_open(self._restarted):
if ord(message.TYPE) == Message.Type.NOP:
yield ACTION.immediate
proto.negotiated.sent(message)
self._['out']['state'] = STATE.opensent
# Read OPEN
wait = environment.settings().bgp.openwait
opentimer = Timer(self._log('out'),wait,1,1,'waited for open too long, we do not like stuck in active')
for message in self._['out']['proto'].read_open(self.neighbor.peer_address.ip):
opentimer.tick(message)
# XXX: FIXME: change the whole code to use the ord and not the chr version
# Only yield if we have not the open, otherwise the reactor can run the other connection
# which would be bad as we need to do the collission check
if ord(message.TYPE) == Message.Type.NOP:
yield ACTION.later
self._['out']['state'] = STATE.openconfirm
proto.negotiated.received(message)
proto.validate_open()
if self._['in']['state'] == STATE.openconfirm:
self.logger.network('outgoing connection finds the incoming connection is in openconfirm')
local_id = self.neighbor.router_id.packed
remote_id = proto.negotiated.received_open.router_id.packed
if local_id < remote_id:
self.logger.network('aborting the outgoing connection')
stop = Interrupted()
stop.direction = 'out'
raise stop
else:
self.logger.network('closing the incoming connection')
self._stop('in','collision local id < remote id')
yield ACTION.later
# Send KEEPALIVE
for message in proto.new_keepalive('OPENCONFIRM'):
yield ACTION.immediate
# Start keeping keepalive timer
self.timer = Timer(self._log('out'),self._['out']['proto'].negotiated.holdtime,4,0)
# Read KEEPALIVE
for message in self._['out']['proto'].read_keepalive('ESTABLISHED'):
self.timer.tick(message)
yield ACTION.immediate
self._['out']['state'] = STATE.established
# let the caller know that we were sucesfull
yield ACTION.immediate
def _connect (self):
# try to establish the outgoing connection
self._outgoing.fsm.change(FSM.CONNECT)
proto = Protocol(self)
generator = proto.connect()
connected = False
try:
while not connected:
if self._teardown:
raise StopIteration()
connected = generator.next()
# we want to come back as soon as possible
yield ACTION.LATER
except StopIteration:
# Connection failed
if not connected:
proto.close('connection to %s:%d failed' % (self.neighbor.peer_address,proto.port))
# A connection arrived before we could establish !
if not connected or self._incoming.proto:
yield ACTION.NOW
raise Interrupted(self._outgoing)
self._outgoing.proto = proto
# send OPEN
# Only yield if we have not the open, otherwise the reactor can run the other connection
# which would be bad as we need to set the state without going to the other peer
message = Message.CODE.NOP
for message in proto.new_open(self._restarted):
if ord(message.TYPE) == Message.CODE.NOP:
yield ACTION.NOW
proto.negotiated.sent(message)
self._outgoing.fsm.change(FSM.OPENSENT)
# Read OPEN
wait = environment.settings().bgp.openwait
opentimer = ReceiveTimer(self.me,wait,1,1,'waited for open too long, we do not like stuck in active')
for message in self._outgoing.proto.read_open(self.neighbor.peer_address.top()):
opentimer.check_ka(message)
# XXX: FIXME: change the whole code to use the ord and not the chr version
# Only yield if we have not the open, otherwise the reactor can run the other connection
# which would be bad as we need to do the collission check
if ord(message.TYPE) == Message.CODE.NOP:
yield ACTION.LATER
self._outgoing.fsm.change(FSM.OPENCONFIRM)
proto.negotiated.received(message)
proto.validate_open()
if self._incoming.fsm == FSM.OPENCONFIRM:
self.logger.network('outgoing connection finds the incoming connection is in openconfirm')
local_id = self.neighbor.router_id.pack()
remote_id = proto.negotiated.received_open.router_id.pack()
if local_id < remote_id:
self.logger.network('aborting the outgoing connection')
raise Interrupted(self._outgoing)
else:
self.logger.network('closing the incoming connection')
self._stop(self._incoming,'collision local id < remote id')
yield ACTION.LATER
# Send KEEPALIVE
for message in proto.new_keepalive('OPENCONFIRM'):
yield ACTION.NOW
# Start keeping keepalive timer
self.recv_timer = ReceiveTimer(self.me,proto.negotiated.holdtime,4,0)
# Read KEEPALIVE
for message in self._outgoing.proto.read_keepalive():
self.recv_timer.check_ka(message)
yield ACTION.NOW
self._outgoing.fsm.change(FSM.ESTABLISHED)
# let the caller know that we were sucesfull
yield ACTION.NOW
