mirror of
https://github.com/craigerl/aprsd.git
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Hemna
19c12e70f3
This patch adds logic of setting packet_list_stats_maxlen -1 meaning keep every packet for stats.
110 lines
3.4 KiB
Python
110 lines
3.4 KiB
Python
import logging
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from collections import OrderedDict
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from oslo_config import cfg
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from aprsd.packets import core
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from aprsd.utils import objectstore
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CONF = cfg.CONF
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LOG = logging.getLogger('APRSD')
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class PacketList(objectstore.ObjectStoreMixin):
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"""Class to keep track of the packets we tx/rx."""
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_instance = None
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_total_rx: int = 0
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_total_tx: int = 0
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maxlen: int = 100
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def __new__(cls, *args, **kwargs):
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if cls._instance is None:
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cls._instance = super().__new__(cls)
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cls._instance.maxlen = CONF.packet_list_maxlen
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cls._instance._init_data()
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return cls._instance
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def _init_data(self):
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self.data = {
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'types': {},
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'packets': OrderedDict(),
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}
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def rx(self, packet: type[core.Packet]):
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"""Add a packet that was received."""
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with self.lock:
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self._total_rx += 1
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self._add(packet)
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ptype = packet.__class__.__name__
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type_stats = self.data['types'].setdefault(
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ptype,
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{'tx': 0, 'rx': 0},
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)
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type_stats['rx'] += 1
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def tx(self, packet: type[core.Packet]):
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"""Add a packet that was received."""
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with self.lock:
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self._total_tx += 1
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self._add(packet)
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ptype = packet.__class__.__name__
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type_stats = self.data['types'].setdefault(
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ptype,
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{'tx': 0, 'rx': 0},
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)
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type_stats['tx'] += 1
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def add(self, packet):
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with self.lock:
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self._add(packet)
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def _add(self, packet):
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if not self.data.get('packets'):
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self._init_data()
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if packet.key in self.data['packets']:
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self.data['packets'].move_to_end(packet.key)
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elif len(self.data['packets']) == self.maxlen:
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self.data['packets'].popitem(last=False)
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self.data['packets'][packet.key] = packet
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def find(self, packet):
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with self.lock:
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return self.data['packets'][packet.key]
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def __len__(self):
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with self.lock:
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return len(self.data['packets'])
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def total_rx(self):
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with self.lock:
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return self._total_rx
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def total_tx(self):
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with self.lock:
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return self._total_tx
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def stats(self, serializable=False) -> dict:
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with self.lock:
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# Get last N packets directly using list slicing
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if CONF.packet_list_stats_maxlen >= 0:
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packets_list = list(self.data.get('packets', {}).values())
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pkts = packets_list[-CONF.packet_list_stats_maxlen :][::-1]
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else:
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# We have to copy here, because this get() results in a pointer
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# to the packets internally here, which can change after this
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# function returns, which would cause a problem trying to save
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# the stats to disk.
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pkts = self.data.get('packets', {}).copy()
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stats = {
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'total_tracked': self._total_rx
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+ self._total_tx, # Fixed typo: was rx + rx
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'rx': self._total_rx,
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'tx': self._total_tx,
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'types': self.data.get('types', {}), # Changed default from [] to {}
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'packet_count': len(self.data.get('packets', [])),
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'maxlen': self.maxlen,
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'packets': pkts,
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}
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return stats
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