def withdraw(flow, match, then):
"""
Asynchronous task. It transmit information to the bgpspeaker
who sends withdraw route command via a socket.
Disables the flow and set its status to INACTIVE.
"""
try:
bgpspeaker.update_flow(match, then, withdraw=True)
flow.status = Route.INACTIVE
except ValueError, e:
logger.error('Error ' + e)
flow.status = Route.ERROR
raise announce.retry(exc=e, countdown=10)
def announce(flow):
"""
Asynchronous task. It transmit information to the bgpspeaker
who sends announce route command via a socket.
Update status of the flow to ACTIVE if there are no error
"""
try:
bgpspeaker.update_flow(flow.match(), flow.then())
flow.status = Route.ACTIVE
except ValueError, e:
logger.error('Error ' + e)
flow.status = Route.ERROR
raise announce.retry(exc=e, countdown=10)
def withdraw(flow, match, then):
"""
Asynchronous task. It transmit information to the bgpspeaker
who sends withdraw route command via a socket.
Disables the flow and set its status to INACTIVE.
"""
try:
bgpspeaker.update_flow(match, then, withdraw=True)
flow.status = Route.INACTIVE
except ValueError, e:
logger.error('Error ' + e)
flow.status = Route.ERROR
raise announce.retry(exc=e, countdown=10)
def announce(flow):
"""
Asynchronous task. It transmit information to the bgpspeaker
who sends announce route command via a socket.
Update status of the flow to ACTIVE if there are no error
"""
try:
bgpspeaker.update_flow(flow.match(), flow.then())
flow.status = Route.ACTIVE
except ValueError, e:
logger.error('Error ' + e)
flow.status = Route.ERROR
raise announce.retry(exc=e, countdown=10)
def delete(flow, match, then):
"""
Asynchronous task. It transmit information to the bgpspeaker
who sends withdraw route command via a socket.
This function doesn't update status fields, compared to withdraw task,
because the flow is removed from the db.
"""
try:
bgpspeaker.update_flow(match, then, withdraw=True)
except ValueError, e:
logger.error('Error ' + e)
flow.status = Route.ERROR
flow.save()
raise announce.retry(exc=e, countdown=10)
def delete(flow, match, then):
"""
Asynchronous task. It transmit information to the bgpspeaker
who sends withdraw route command via a socket.
This function doesn't update status fields, compared to withdraw task,
because the flow is removed from the db.
"""
try:
bgpspeaker.update_flow(match, then, withdraw=True)
except ValueError, e:
logger.error('Error ' + e)
flow.status = Route.ERROR
flow.save()
raise announce.retry(exc=e, countdown=10)
def expire(flow):
"""
Asynchronous task. It transmit information to the bgpspeaker
who sends withdraw route command via a socket.
This function set status field to EXPIRED.
"""
if not flow.has_expired():
return
try:
bgpspeaker.update_flow(flow.match(), flow.then(), withdraw=True)
flow.status = Route.EXPIRED
except ValueError, e:
logger.error('Error ' + e)
flow.status = Route.ERROR
raise announce.retry(exc=e, countdown=10)
def expire(flow):
"""
Asynchronous task. It transmit information to the bgpspeaker
who sends withdraw route command via a socket.
This function set status field to EXPIRED.
"""
if not flow.has_expired():
return
try:
bgpspeaker.update_flow(flow.match(), flow.then(), withdraw=True)
flow.status = Route.EXPIRED
except ValueError, e:
logger.error('Error ' + e)
flow.status = Route.ERROR
raise announce.retry(exc=e, countdown=10)