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Detect closed socket, reconnect, with a bit more grace

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This commit is contained in:
Craig Lamparter 2020-12-06 12:01:32 -08:00
parent 31618ce666
commit 4b67df2907
1 changed files with 3 additions and 3 deletions
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6
aprsd/main.py
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@ -658,20 +658,20 @@ def main(args=args):
LOG.debug("reset empty line counter") LOG.debug("reset empty line counter")
empty_line_rx = 0 empty_line_rx = 0
else: else:
LOG.debug("continue: noise: " + line) LOG.debug("Noise: " + line)
# detect closed socket, getting lots of empty lines # detect closed socket, getting lots of empty lines
if len(line.strip()) == 0: if len(line.strip()) == 0:
LOG.debug("Zero line length received. Consecutive empty line count: " + str(empty_line_rx)) LOG.debug("Zero line length received. Consecutive empty line count: " + str(empty_line_rx))
empty_line_rx += 1 empty_line_rx += 1
if empty_line_rx >= 30: if empty_line_rx >= 30:
LOG.debug("Excessive empty lines received, socket likely closed. Reconnecting.") LOG.debug("Excessive empty lines received, socket likely CLOSED_WAIT. Reconnecting.")
sock_file.close() sock_file.close()
sock.shutdown(0) sock.shutdown(0)
sock.close() sock.close()
time.sleep(30) time.sleep(30)
setup_connection() setup_connection()
sock.send("user %s pass %s vers https://github.com/craigerl/aprsd 2.00\n" % (user, password)) sock.send("user %s pass %s vers https://github.com/craigerl/aprsd 2.00\n" % (user, password))
LOG.debug("reset empty line counter") #LOG.debug("reset empty line counter")
empty_line_rx = 0 empty_line_rx = 0
continue continue