def update_stats(self):
"""
Update statistics.
1. Get and sort port list to keep the order in MIB
2. Prepare OID and get a statistic for each queue of each port
3. Get and sort LAG ports list to keep the order in MIB
4. Prepare OID for LAG and prepare a statistic for each queue of each LAG port
"""
# Clear previous data
self.mib_oid_to_queue_map = {}
self.mib_oid_list = []
# Sort the ports to keep the OID order in the MIB
if_range = list(self.oid_name_map.keys())
# Update queue counters for port
for if_index in if_range:
if if_index not in self.port_queue_list_map:
# Port does not has a queues, continue..
continue
if_queues = self.port_queue_list_map[if_index]
namespace = self.port_index_namespace[if_index]
# The first half of queue id is for ucast, and second half is for mcast
# To simulate vendor OID, we wrap queues by half distance
pq_count = math.ceil((max(if_queues) + 1) / 2)
for queue in if_queues:
# Get queue type and statistics
queue_sai_oid = self.port_queues_map[mibs.queue_key(if_index, queue)]
queue_stat_table_name = mibs.queue_table(queue_sai_oid)
queue_stat_key = mibs.queue_key(if_index, queue_stat_table_name)
queue_type = self.queue_type_map[namespace].get(queue_sai_oid)
queue_stat = self.queue_stat_map.get(queue_stat_key, {})
# Add supported counters to MIBs list and store counters values
for (counter, counter_type), counter_mib_id in CounterMap.items():
# Only egress queues are supported
mib_oid = (if_index, int(DirectionTypes.EGRESS), (queue % pq_count) + 1, counter_mib_id)
counter_value = 0
if queue_type == counter_type:
counter_value = int(queue_stat.get(counter, 0))
if mib_oid in self.mib_oid_to_queue_map:
continue
self.mib_oid_list.append(mib_oid)
self.mib_oid_to_queue_map[mib_oid] = counter_value
self.mib_oid_list.sort()
def update_stats(self):
"""
Update statistics.
1. Get and sort port list to keep the order in MIB
2. Prepare OID and get a statistic for each queue of each port
3. Get and sort LAG ports list to keep the order in MIB
4. Prepare OID for LAG and prepare a statistic for each queue of each LAG port
"""
# Clear previous data
self.mib_oid_to_queue_map = {}
self.mib_oid_list = []
# Sort the ports to keep the OID order in the MIB
if_range = list(self.oid_sai_map.keys())
# Update queue counters for port
for if_index in if_range:
if if_index not in self.port_queue_list_map:
# Port does not has a queues, continue..
continue
if_queues = self.port_queue_list_map[if_index]
# The first half of queue id is for ucast, and second half is for mcast
# To simulate vendor OID, we wrap queues by half distance
pq_count = math.ceil((max(if_queues) + 1) / 2)
for queue in if_queues:
# Get queue type and statistics
queue_sai_oid = self.port_queues_map[mibs.queue_key(if_index, queue)]
queue_stat_table_name = mibs.queue_table(queue_sai_oid)
queue_type = self.queue_type_map.get(queue_sai_oid)
queue_stat = self.queue_stat_map.get(queue_stat_table_name, {})
# Add supported counters to MIBs list and store counters values
for (counter, counter_type), counter_mib_id in CounterMap.items():
# Only egress queues are supported
mib_oid = (if_index, int(DirectionTypes.EGRESS), (queue % pq_count) + 1, counter_mib_id)
counter_value = 0
if queue_type == counter_type:
counter_value = int(queue_stat.get(counter, 0))
if mib_oid in self.mib_oid_to_queue_map:
continue
self.mib_oid_list.append(mib_oid)
self.mib_oid_to_queue_map[mib_oid] = counter_value
self.mib_oid_list.sort()
def update_data(self):
"""
Update redis (caches config)
Pulls the table references for each queue.
"""
for queue_key, sai_id in self.port_queues_map.items():
queue_stat_name = mibs.queue_table(sai_id)
port_index, _ = queue_key.split(':')
queue_stat_idx = mibs.queue_key(port_index, queue_stat_name)
namespace = self.port_index_namespace[int(port_index)]
queue_stat = self.namespace_db_map[namespace].get_all( \
mibs.COUNTERS_DB, queue_stat_name, blocking=False)
if queue_stat is not None:
self.queue_stat_map[queue_stat_idx] = queue_stat
else:
del self.queue_stat_map[queue_stat_idx]
self.update_stats()