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Trap for failed parsing of packets on KISS

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This adds a try block around the aprslib.parse() for packets incoming
on the KISS interface.  Often times we'll get invalid packets and
this prevents stack dumps to the log.
This commit is contained in:
Hemna 2025-01-24 17:44:58 -05:00
parent edeba7f514
commit 9501a63bd6
1 changed files with 28 additions and 25 deletions
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53
aprsd/client/kiss.py
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@ -12,7 +12,7 @@ from aprsd.client.drivers import kiss
from aprsd.packets import core
CONF = cfg.CONF
LOG = logging.getLogger("APRSD")
LOG = logging.getLogger('APRSD')
LOGU = logger
@ -27,15 +27,15 @@ class KISSClient(base.APRSClient):
if serializable:
keepalive = keepalive.isoformat()
stats = {
"connected": self.is_connected,
"connection_keepalive": keepalive,
"transport": self.transport(),
'connected': self.is_connected,
'connection_keepalive': keepalive,
'transport': self.transport(),
}
if self.transport() == client.TRANSPORT_TCPKISS:
stats["host"] = CONF.kiss_tcp.host
stats["port"] = CONF.kiss_tcp.port
stats['host'] = CONF.kiss_tcp.host
stats['port'] = CONF.kiss_tcp.port
elif self.transport() == client.TRANSPORT_SERIALKISS:
stats["device"] = CONF.kiss_serial.device
stats['device'] = CONF.kiss_serial.device
return stats
@staticmethod
@ -56,15 +56,15 @@ class KISSClient(base.APRSClient):
transport = KISSClient.transport()
if transport == client.TRANSPORT_SERIALKISS:
if not CONF.kiss_serial.device:
LOG.error("KISS serial enabled, but no device is set.")
LOG.error('KISS serial enabled, but no device is set.')
raise exception.MissingConfigOptionException(
"kiss_serial.device is not set.",
'kiss_serial.device is not set.',
)
elif transport == client.TRANSPORT_TCPKISS:
if not CONF.kiss_tcp.host:
LOG.error("KISS TCP enabled, but no host is set.")
LOG.error('KISS TCP enabled, but no host is set.')
raise exception.MissingConfigOptionException(
"kiss_tcp.host is not set.",
'kiss_tcp.host is not set.',
)
return True
@ -91,8 +91,8 @@ class KISSClient(base.APRSClient):
if ka := self._client.aprsd_keepalive:
keepalive = timeago.format(ka)
else:
keepalive = "N/A"
LOGU.opt(colors=True).info(f"<green>Client keepalive {keepalive}</green>")
keepalive = 'N/A'
LOGU.opt(colors=True).info(f'<green>Client keepalive {keepalive}</green>')
@staticmethod
def transport():
@ -104,8 +104,8 @@ class KISSClient(base.APRSClient):
def decode_packet(self, *args, **kwargs):
"""We get a frame, which has to be decoded."""
LOG.debug(f"kwargs {kwargs}")
frame = kwargs["frame"]
LOG.debug(f'kwargs {kwargs}')
frame = kwargs['frame']
LOG.debug(f"Got an APRS Frame '{frame}'")
# try and nuke the * from the fromcall sign.
# frame.header._source._ch = False
@ -114,20 +114,23 @@ class KISSClient(base.APRSClient):
# msg = frame.tnc2
# LOG.debug(f"Decoding {msg}")
raw = aprslib.parse(str(frame))
packet = core.factory(raw)
if isinstance(packet, core.ThirdPartyPacket):
return packet.subpacket
else:
return packet
try:
raw = aprslib.parse(str(frame))
packet = core.factory(raw)
if isinstance(packet, core.ThirdPartyPacket):
return packet.subpacket
else:
return packet
except Exception as ex:
LOG.error(f'Error decoding packet: {ex}')
def setup_connection(self):
try:
self._client = kiss.KISS3Client()
self.connected = self.login_status["success"] = True
self.connected = self.login_status['success'] = True
except Exception as ex:
self.connected = self.login_status["success"] = False
self.login_status["message"] = str(ex)
self.connected = self.login_status['success'] = False
self.login_status['message'] = str(ex)
return self._client
def consumer(self, callback, blocking=False, immortal=False, raw=False):
@ -135,5 +138,5 @@ class KISSClient(base.APRSClient):
self._client.consumer(callback)
self.keepalive = datetime.datetime.now()
except Exception as ex:
LOG.error(f"Consumer failed {ex}")
LOG.error(f'Consumer failed {ex}')
LOG.error(ex)