aprsd/aprsd/packets/seen_list.py

45 lines
1.1 KiB
Python

import datetime
import logging
import threading
import wrapt
from aprsd.utils import objectstore
LOG = logging.getLogger("APRSD")
class SeenList(objectstore.ObjectStoreMixin):
"""Global callsign seen list."""
_instance = None
lock = threading.Lock()
data = {}
config = None
def __new__(cls, *args, **kwargs):
if cls._instance is None:
cls._instance = super().__new__(cls)
if "config" in kwargs:
cls._instance.config = kwargs["config"]
cls._instance._init_store()
cls._instance.data = {}
return cls._instance
@wrapt.synchronized(lock)
def update_seen(self, packet):
callsign = None
if packet.from_call:
callsign = packet.from_call
else:
LOG.warning(f"Can't find FROM in packet {packet}")
return
if callsign not in self.data:
self.data[callsign] = {
"last": None,
"count": 0,
}
self.data[callsign]["last"] = str(datetime.datetime.now())
self.data[callsign]["count"] += 1