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artiq/artiq/frontend/aqctl_corelog.py

122 lines
3.9 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
import asyncio
import struct
import logging
import re
from sipyco.pc_rpc import Server
from sipyco import common_args
from sipyco.logging_tools import log_with_name
from sipyco.asyncio_tools import SignalHandler
from sipyco.keepalive import async_open_connection
from artiq.coredevice.comm_mgmt import Request, Reply
logger = logging.getLogger(__name__)
def get_argparser():
parser = argparse.ArgumentParser(
description="ARTIQ controller for core device logs")
common_args.verbosity_args(parser)
common_args.simple_network_args(parser, 1068)
parser.add_argument("--simulation", action="store_true",
help="Simulation - does not connect to device")
parser.add_argument("core_addr", metavar="CORE_ADDR",
help="hostname or IP address of the core device")
return parser
class PingTarget:
def ping(self):
return True
async def get_logs_sim(host):
while True:
await asyncio.sleep(2)
log_with_name("firmware.simulation", logging.INFO, "hello " + host)
async def get_logs(host):
try:
reader, writer = await async_open_connection(
host,
1380,
after_idle=1,
interval=1,
max_fails=3,
)
writer.write(b"ARTIQ management\n")
endian = await reader.readexactly(1)
if endian == b"e":
endian = "<"
elif endian == b"E":
endian = ">"
else:
raise IOError("Incorrect reply from device: expected e/E.")
writer.write(struct.pack("B", Request.PullLog.value))
await writer.drain()
while True:
length, = struct.unpack(endian + "l", await reader.readexactly(4))
log = await reader.readexactly(length)
for line in log.decode("utf-8").splitlines():
m = re.match(r"^\[.+?\] (TRACE|DEBUG| INFO| WARN|ERROR)\((.+?)\): (.+)$", line)
levelname = m.group(1)
if levelname == 'TRACE':
level = logging.TRACE
elif levelname == 'DEBUG':
level = logging.DEBUG
elif levelname == ' INFO':
level = logging.INFO
elif levelname == ' WARN':
level = logging.WARN
elif levelname == 'ERROR':
level = logging.ERROR
name = 'firmware.' + m.group(2).replace('::', '.')
text = m.group(3)
log_with_name(name, level, text)
except asyncio.CancelledError:
raise
except:
logger.error("Logging connection terminating with exception", exc_info=True)
def main():
args = get_argparser().parse_args()
common_args.init_logger_from_args(args)
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
try:
signal_handler = SignalHandler()
signal_handler.setup()
try:
get_logs_task = asyncio.ensure_future(
get_logs_sim(args.core_addr) if args.simulation else get_logs(args.core_addr))
try:
server = Server({"corelog": PingTarget()}, None, True)
loop.run_until_complete(server.start(common_args.bind_address_from_args(args), args.port))
try:
_, pending = loop.run_until_complete(asyncio.wait(
[signal_handler.wait_terminate(),
server.wait_terminate(),
get_logs_task],
return_when=asyncio.FIRST_COMPLETED))
for task in pending:
task.cancel()
finally:
loop.run_until_complete(server.stop())
finally:
pass
finally:
signal_handler.teardown()
finally:
loop.close()
if __name__ == "__main__":
main()