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delete station #124

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Merged
merged 2 commits into from
Mar 6, 2023
Merged

delete station #124

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7d3a891
delete station
shohamroditimemphis Mar 6, 2023
ce01be9
fix issues
shohamroditimemphis Mar 6, 2023
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36 changes: 31 additions & 5 deletions memphis/memphis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,7 @@ def __init__(self):
self.producers_map = dict()
self.consumers_map = dict()

async def get_msgs_update_configurations(self, iterable: Iterable):
async def get_msgs_sdk_clients_updates(self, iterable: Iterable):
try:
async for msg in iterable:
message = msg.data.decode("utf-8")
Expand All @@ -66,18 +66,21 @@ async def get_msgs_update_configurations(self, iterable: Iterable):
self.station_schemaverse_to_dls[data["station_name"]] = data[
"update"
]
elif data["type"] == "remove_station":
self.unset_cached_producer_station(data['station_name'])
self.unset_cached_consumer_station(data['station_name'])
except Exception as err:
raise MemphisError(err)

async def configurations_listener(self):
async def sdk_client_updates_listener(self):
try:
sub = await self.broker_manager.subscribe(
"$memphis_sdk_configurations_updates"
"$memphis_sdk_clients_updates"
)
self.update_configurations_sub = sub
loop = asyncio.get_event_loop()
task = loop.create_task(
self.get_msgs_update_configurations(
self.get_msgs_sdk_clients_updates(
self.update_configurations_sub.messages
)
)
Expand Down Expand Up @@ -155,7 +158,7 @@ async def connect(
name=self.connection_id + "::" + self.username,
)

await self.configurations_listener()
await self.sdk_client_updates_listener()
self.broker_connection = self.broker_manager.jetstream()
self.is_connection_active = True
except Exception as e:
Expand Down Expand Up @@ -661,3 +664,26 @@ async def fetch_messages(

def is_connected(self):
return self.broker_manager.is_connected

def unset_cached_producer_station(self, station_name):
try:
internal_station_name = get_internal_name(station_name)
for key in list(self.producers_map):
producer = self.producers_map[key]
if producer.internal_station_name == internal_station_name:
del self.producers_map[key]
except Exception as e:
raise e


def unset_cached_consumer_station(self, station_name):
try:
internal_station_name = get_internal_name(station_name)
for key in list(self.consumers_map):
consumer = self.consumers_map[key]
consumer_station_name_internal = get_internal_name(consumer.station_name)
if consumer_station_name_internal == internal_station_name:
del self.consumers_map[key]
except Exception as e:
raise e