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library_bgp_speaker.rst: make an example more complete

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also, while i'm here, remove trailing whitespaces in the example.

Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
This commit is contained in:
YAMAMOTO Takashi 2014-06-20 15:51:58 +09:00 committed by FUJITA Tomonori
parent eb602ab71d
commit 24f4a01bc4
1 changed files with 15 additions and 3 deletions
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18
doc/source/library_bgp_speaker.rst
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@ -20,8 +20,20 @@ instance advertizes some prefixes.
.. code-block:: python .. code-block:: python
import eventlet import eventlet
# BGPSpeaker needs sockets patched
eventlet.patch()
# initialize a log handler
# this is not strictly necessary but useful if you get messages like:
# No handlers could be found for logger "ryu.lib.hub"
import logging
import sys
log = logging.getLogger()
log.addHandler(logging.StreamHandler(sys.stderr))
from ryu.services.protocols.bgp.bgpspeaker import BGPSpeaker from ryu.services.protocols.bgp.bgpspeaker import BGPSpeaker
def dump_remote_best_path_change(event): def dump_remote_best_path_change(event):
print 'the best path changed:', event.remote_as, event.prefix,\ print 'the best path changed:', event.remote_as, event.prefix,\
event.nexthop, event.is_withdraw event.nexthop, event.is_withdraw
@ -29,9 +41,9 @@ instance advertizes some prefixes.
if __name__ == "__main__": if __name__ == "__main__":
speaker = BGPSpeaker(as_number=64512, router_id='10.0.0.1', speaker = BGPSpeaker(as_number=64512, router_id='10.0.0.1',
best_path_change_handler=dump_remote_best_path_change) best_path_change_handler=dump_remote_best_path_change)
speaker.neighbor_add('192.168.177.32', 64513) speaker.neighbor_add('192.168.177.32', 64513)
count = 1 count = 1
while True: while True:
eventlet.sleep(30) eventlet.sleep(30)