openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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5 years ago
#!/usr/bin/env python3
import os
import sys
import argparse
import json
from hexdump import hexdump
from cereal import log
import cereal.messaging as messaging
from cereal.services import service_list
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Sniff a communcation socket')
parser.add_argument('--pipe', action='store_true')
parser.add_argument('--raw', action='store_true')
parser.add_argument('--json', action='store_true')
parser.add_argument('--dump-json', action='store_true')
parser.add_argument('--no-print', action='store_true')
parser.add_argument('--addr', default='127.0.0.1')
parser.add_argument('--values', help='values to monitor (instead of entire event)')
parser.add_argument("socket", type=str, nargs='*', help="socket name")
args = parser.parse_args()
if args.addr != "127.0.0.1":
os.environ["ZMQ"] = "1"
messaging.context = messaging.Context()
poller = messaging.Poller()
for m in args.socket if len(args.socket) > 0 else service_list:
sock = messaging.sub_sock(m, poller, addr=args.addr)
values = None
if args.values:
values = [s.strip().split(".") for s in args.values.split(",")]
while 1:
polld = poller.poll(1000)
for sock in polld:
msg = sock.receive()
evt = log.Event.from_bytes(msg)
if not args.no_print:
if args.pipe:
sys.stdout.write(msg)
sys.stdout.flush()
elif args.raw:
hexdump(msg)
elif args.json:
print(json.loads(msg))
elif args.dump_json:
print(json.dumps(evt.to_dict()))
elif values:
print("logMonotime = {}".format(evt.logMonoTime))
for value in values:
if hasattr(evt, value[0]):
item = evt
for key in value:
item = getattr(item, key)
print("{} = {}".format(".".join(value), item))
print("")
else:
print(evt)