aprsd/aprsd/packets/packet_list.py

111 lines
2.9 KiB
Python

from collections import OrderedDict
from collections.abc import MutableMapping
import logging
import threading
from oslo_config import cfg
import wrapt
from aprsd.packets import seen_list
from aprsd.utils import objectstore
CONF = cfg.CONF
LOG = logging.getLogger("APRSD")
class PacketList(MutableMapping, objectstore.ObjectStoreMixin):
_instance = None
lock = threading.Lock()
_total_rx: int = 0
_total_tx: int = 0
def __new__(cls, *args, **kwargs):
if cls._instance is None:
cls._instance = super().__new__(cls)
cls._maxlen = 100
cls.data = {
"types": {},
"packets": OrderedDict(),
}
return cls._instance
@wrapt.synchronized(lock)
def rx(self, packet):
"""Add a packet that was received."""
self._total_rx += 1
self._add(packet)
ptype = packet.__class__.__name__
if not ptype in self.data["types"]:
self.data["types"][ptype] = {"tx": 0, "rx": 0}
self.data["types"][ptype]["rx"] += 1
seen_list.SeenList().update_seen(packet)
@wrapt.synchronized(lock)
def tx(self, packet):
"""Add a packet that was received."""
self._total_tx += 1
self._add(packet)
ptype = packet.__class__.__name__
if not ptype in self.data["types"]:
self.data["types"][ptype] = {"tx": 0, "rx": 0}
self.data["types"][ptype]["tx"] += 1
seen_list.SeenList().update_seen(packet)
@wrapt.synchronized(lock)
def add(self, packet):
self._add(packet)
def _add(self, packet):
self.data["packets"][packet.key] = packet
def copy(self):
return self.d.copy()
@property
def maxlen(self):
return self._maxlen
@wrapt.synchronized(lock)
def find(self, packet):
return self.get(packet.key)
def __getitem__(self, key):
# self.d.move_to_end(key)
return self.data["packets"][key]
def __setitem__(self, key, value):
if key in self.data["packets"]:
self.data["packets"].move_to_end(key)
elif len(self.data["packets"]) == self.maxlen:
self.data["packets"].popitem(last=False)
self.data["packets"][key] = value
def __delitem__(self, key):
del self.data["packets"][key]
def __iter__(self):
return self.data["packets"].__iter__()
def __len__(self):
return len(self.data["packets"])
@wrapt.synchronized(lock)
def total_rx(self):
return self._total_rx
@wrapt.synchronized(lock)
def total_tx(self):
return self._total_tx
def stats(self, serializable=False) -> dict:
stats = {
"total_tracked": self.total_tx() + self.total_rx(),
"rx": self.total_rx(),
"tx": self.total_tx(),
"types": self.data["types"],
"packets": self.data["packets"],
}
return stats