def on_customer_accepted(evt):
customer_idurl = id_url.field(evt.data.get('idurl'))
if not customer_idurl:
lg.warn('unknown customer idurl in event data payload')
return False
customer_glob_id = global_id.idurl2glob(customer_idurl)
queue_id = global_id.MakeGlobalQueueID(
queue_alias='supplier-file-modified',
owner_id=customer_glob_id,
supplier_id=my_id.getGlobalID(),
)
if not p2p_queue.is_queue_exist(queue_id):
customer_key_id = global_id.MakeGlobalID(customer=customer_glob_id,
key_alias='customer')
if my_keys.is_key_registered(customer_key_id):
try:
p2p_queue.open_queue(queue_id)
except Exception as exc:
lg.warn('failed to open queue %s : %s' % (queue_id, str(exc)))
else:
lg.warn('customer key %r for supplier queue not registered' %
customer_key_id)
if p2p_queue.is_queue_exist(queue_id):
if not p2p_queue.is_producer_exist(my_id.getGlobalID()):
try:
p2p_queue.add_producer(my_id.getGlobalID())
except Exception as exc:
lg.warn('failed to add producer: %s' % str(exc))
if p2p_queue.is_producer_exist(my_id.getGlobalID()):
if not p2p_queue.is_producer_connected(my_id.getGlobalID(),
queue_id):
try:
p2p_queue.connect_producer(my_id.getGlobalID(), queue_id)
except Exception as exc:
lg.warn('failed to connect producer: %s' % str(exc))
if p2p_queue.is_producer_connected(my_id.getGlobalID(), queue_id):
if not p2p_queue.is_event_publishing(my_id.getGlobalID(),
'supplier-file-modified'):
try:
p2p_queue.start_event_publisher(
my_id.getGlobalID(), 'supplier-file-modified')
except Exception as exc:
lg.warn('failed to start event publisher: %s' %
str(exc))
return True
def on_customer_terminated(evt):
customer_idurl = evt.data.get('idurl')
if not customer_idurl:
lg.warn('unknown customer idurl in event data payload')
return False
customer_glob_id = global_id.idurl2glob(customer_idurl)
queue_id = global_id.MakeGlobalQueueID(
queue_alias='supplier-file-modified',
owner_id=customer_glob_id,
supplier_id=my_id.getGlobalID(),
)
# TODO: need to decide when to stop producing
# might be that other customers needs that info still
if p2p_queue.is_event_publishing(my_id.getGlobalID(),
'supplier-file-modified'):
try:
p2p_queue.stop_event_publisher(my_id.getGlobalID(),
'supplier-file-modified')
except Exception as exc:
lg.warn('failed to stop event publisher: %s' % str(exc))
if p2p_queue.is_producer_connected(my_id.getGlobalID(), queue_id):
try:
p2p_queue.disconnect_producer(my_id.getGlobalID(), queue_id)
except Exception as exc:
lg.warn('failed to disconnect producer: %s' % str(exc))
if p2p_queue.is_producer_exist(my_id.getGlobalID()):
try:
p2p_queue.remove_producer(my_id.getGlobalID())
except Exception as exc:
lg.warn('failed to remove producer: %s' % str(exc))
if p2p_queue.is_queue_exist(queue_id):
try:
p2p_queue.close_queue(queue_id)
except Exception as exc:
lg.warn('failed to stop queue %s : %s' % (queue_id, str(exc)))
return True