def get_transceiver_change_event(self, timeout=0):
phy_port_dict = {}
status = True
if self.db_sel == None:
from swsscommon import swsscommon
self.state_db = swsscommon.DBConnector(swsscommon.STATE_DB,
REDIS_HOSTNAME, REDIS_PORT,
REDIS_TIMEOUT_USECS)
# Subscribe to state table for SFP change notifications
self.db_sel = swsscommon.Select()
self.db_sel_tbl = swsscommon.NotificationConsumer(
self.state_db, 'TRANSCEIVER_NOTIFY')
self.db_sel.addSelectable(self.db_sel_tbl)
self.db_sel_timeout = swsscommon.Select.TIMEOUT
self.db_sel_object = swsscommon.Select.OBJECT
self.sfpd_status_tbl = swsscommon.Table(self.state_db,
'MLNX_SFPD_TASK')
# Check the liveness of mlnx-sfpd, if it failed, return false
keys = self.sfpd_status_tbl.getKeys()
if 'LIVENESS' not in keys:
return False, phy_port_dict
(state, c) = self.db_sel.select(timeout)
if state == self.db_sel_timeout:
status = True
elif state != self.db_sel_object:
status = False
else:
(key, op, fvp) = self.db_sel_tbl.pop()
phy_port_dict[key] = op
return status, phy_port_dict
def get_transceiver_change_event(self, timeout=0):
phy_port_dict = {}
status = True
if self.db_sel == None:
from swsscommon import swsscommon
self.state_db = swsscommon.DBConnector(swsscommon.STATE_DB,
REDIS_HOSTNAME, REDIS_PORT,
REDIS_TIMEOUT_USECS)
# Subscribe to state table for SFP change notifications
self.db_sel = swsscommon.Select()
self.db_sel_tbl = swsscommon.NotificationConsumer(
self.state_db, 'TRANSCEIVER_NOTIFY')
self.db_sel.addSelectable(self.db_sel_tbl)
self.db_sel_timeout = swsscommon.Select.TIMEOUT
self.db_sel_object = swsscommon.Select.OBJECT
(state, c) = self.db_sel.select(timeout)
if state == self.db_sel_timeout:
status = True
elif state != self.db_sel_object:
status = False
else:
(key, op, fvp) = self.db_sel_tbl.pop()
phy_port_dict[key] = op
return status, phy_port_dict
def get_transceiver_change_event(self, timeout=0):
phy_port_dict = {}
status = True
if self.db_sel is None:
from swsscommon import swsscommon
self.state_db = swsscommon.DBConnector("STATE_DB",
REDIS_TIMEOUT_USECS, True)
# Subscribe to state table for SFP change notifications
self.db_sel = swsscommon.Select()
self.db_sel_tbl = swsscommon.NotificationConsumer(
self.state_db, 'TRANSCEIVER_NOTIFY')
self.db_sel.addSelectable(self.db_sel_tbl)
self.db_sel_timeout = swsscommon.Select.TIMEOUT
self.db_sel_object = swsscommon.Select.OBJECT
self.sfpd_status_tbl = swsscommon.Table(self.state_db,
'MLNX_SFPD_TASK')
# Check the liveness of mlnx-sfpd, if it failed, return system_fail event
# If mlnx-sfpd not started, return system_not_ready event
keys = self.sfpd_status_tbl.getKeys()
if 'LIVENESS' not in keys:
if self.mlnx_sfpd_started:
log_err("mlnx-sfpd exited, return false to notify xcvrd.")
phy_port_dict[EVENT_ON_ALL_SFP] = SYSTEM_FAIL
return False, phy_port_dict
else:
log_info("mlnx-sfpd not ready, return false to notify xcvrd.")
phy_port_dict[EVENT_ON_ALL_SFP] = SYSTEM_NOT_READY
return False, phy_port_dict
else:
if not self.mlnx_sfpd_started:
self.mlnx_sfpd_started = True
log_info("mlnx-sfpd is running")
phy_port_dict[EVENT_ON_ALL_SFP] = SYSTEM_READY
return False, phy_port_dict
if timeout:
(state, c) = self.db_sel.select(timeout)
else:
(state, c) = self.db_sel.select()
if state == self.db_sel_timeout:
status = True
elif state != self.db_sel_object:
status = False
else:
(key, op, fvp) = self.db_sel_tbl.pop()
phy_port_dict[key] = op
return status, phy_port_dict
def test_Notification():
db = swsscommon.DBConnector("APPL_DB", 0, True)
ntfc = swsscommon.NotificationConsumer(db, "testntf")
sel = swsscommon.Select()
sel.addSelectable(ntfc)
fvs = swsscommon.FieldValuePairs([('a', 'b')])
ntfp = swsscommon.NotificationProducer(db, "testntf")
ntfp.send("aaa", "bbb", fvs)
(state, c) = sel.select()
assert state == swsscommon.Select.OBJECT
(op, data, cfvs) = ntfc.pop()
assert op == "aaa"
assert data == "bbb"
assert len(cfvs) == 1
assert cfvs[0] == ('a', 'b')
def _set_up(self, dvs):
self._p4rt_mirror_session_wrapper = P4RtMirrorSessionWrapper()
self._p4rt_mirror_session_wrapper.set_up_databases(dvs)
self._response_consumer = swsscommon.NotificationConsumer(
self._p4rt_mirror_session_wrapper.appl_db,
"APPL_DB_P4RT_TABLE_RESPONSE_CHANNEL")