def ptp_startup_single_port(e, grandmaster, user):
""" Determine the PTP sequence for the node. If it is not the grandmaster
it should go to slave and lock
"""
slave_seq = []
if grandmaster and (endpoints.get_avb_id(user, e) != endpoints.get_avb_id(user, grandmaster)):
slave_seq = [Sequence(
[Expected(e['name'], 'PTP Role: Slave', 40),
Expected(e['name'], 'PTP sync locked', 5)])]
return Sequence(
[Expected(e['name'], 'PTP Role: Master', 40)] +
slave_seq)
def ptp_startup_two_port(e, grandmaster, user):
""" Determine the PTP sequence for the node. If it is not the grandmaster
it should go to slave and lock
"""
slave_seq = []
if grandmaster and (endpoints.get_avb_id(user, e) != endpoints.get_avb_id(user, grandmaster)):
# The length of time to sync will depend on the total number of endpoints
sync_lock_time = 3 * len(endpoints.get_all())
slave_seq = [Sequence(
[Expected(e['name'], 'PTP Port \d+ Role: Slave', 40),
Expected(e['name'], 'PTP sync locked', sync_lock_time)])]
return Sequence(
[Expected(e['name'], 'PTP Port 0 Role: Master', 40),
Expected(e['name'], 'PTP Port 1 Role: Master', 5)] +
slave_seq)
def check_endpoint_startup():
""" Ensure that the endpoints have started correctly. The exact sequence will depend
on which endpoint is the grandmaster.
"""
grandmaster = endpoints.determine_grandmaster(args.user)
log_info("Using grandmaster {gm_id}".format(gm_id=endpoints.get_avb_id(args.user, grandmaster)))
# Check that all endpoints go to PTP master in 30 seconds and then one of the
# ports will go Master or Slave and lock
ptp_startup = [AllOf(
[ptp_startup_two_port(e, grandmaster, args.user)
for e in filter(lambda x: x['ports'] == 2, endpoints.get_all().values())] +
[ptp_startup_single_port(e, grandmaster, args.user)
for e in filter(lambda x: x['ports'] == 1, endpoints.get_all().values())]
)]
maap = [
AllOf([Expected(e['name'],
'MAAP reserved Talker stream #%d address: 91:E0:F0:0' % n, 40)
for n in range(e['talker_streams'])])
for e in endpoints.get_all().values()
]
yield master.expect(AllOf(ptp_startup + maap))
def stream_id_from_guid(user, ep, num):
stream_id = endpoints.get_avb_id(user, ep).replace("fffe","") + "000" + str(num)
return stream_id.upper()
