Reinstate accidentally removed aqctl_corelog.

Closes #1008.
This commit is contained in:
whitequark 2018-05-22 21:31:34 +00:00
parent 0c6f618056
commit b55ce66a1b
1 changed files with 81 additions and 0 deletions

81
artiq/frontend/aqctl_corelog.py Executable file
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#!/usr/bin/env python3
import argparse
import asyncio
import struct
import logging
import re
from artiq.tools import *
from artiq.protocols.pc_rpc import Server
from artiq.protocols.logging import log_with_name
from artiq.coredevice.comm_mgmt import Request, Reply
def get_argparser():
parser = argparse.ArgumentParser(
description="ARTIQ controller for core device logs")
simple_network_args(parser, 1068)
parser.add_argument("core_addr",
help="hostname or IP address of the core device")
return parser
class PingTarget:
def ping(self):
return True
async def get_logs(host):
reader, writer = await asyncio.open_connection(host, 1380)
writer.write(b"ARTIQ management\n")
writer.write(struct.pack("B", Request.PullLog.value))
await writer.drain()
while True:
length, = struct.unpack(">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)
def main():
args = get_argparser().parse_args()
loop = asyncio.get_event_loop()
try:
get_logs_task = asyncio.ensure_future(get_logs(args.core_addr))
try:
server = Server({"corelog": PingTarget()}, None, True)
loop.run_until_complete(server.start(bind_address_from_args(args), args.port))
try:
multiline_log_config(logging.TRACE)
loop.run_until_complete(server.wait_terminate())
finally:
loop.run_until_complete(server.stop())
finally:
get_logs_task.cancel()
try:
loop.run_until_complete(get_logs_task)
except asyncio.CancelledError:
pass
finally:
loop.close()
if __name__ == "__main__":
main()