mirror of
https://github.com/craigerl/aprsd.git
synced 2024-11-17 13:51:54 -05:00
clean up code around closed_socket and reconnect
This commit is contained in:
Craig Lamparter
parent
e6995c3605
commit
371a7a08ac
@ -101,17 +101,6 @@ parser.add_argument("--quiet",
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args = parser.parse_args()
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# def setup_connection():
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# global tn
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# host = CONFIG['aprs']['host']
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# port = CONFIG['aprs']['port']
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# LOG.debug("Setting up telnet connection to '%s:%s'" % (host, port))
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# try:
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# tn = telnetlib.Telnet(host, port)
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# except Exception:
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# LOG.exception("Telnet session failed.")
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# sys.exit(-1)
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def setup_connection():
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global sock
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global sock_file
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@ -132,15 +121,20 @@ def setup_connection():
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time.sleep(5)
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continue
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# os._exit(1)
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user = CONFIG['aprs']['login']
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password = CONFIG['aprs']['password']
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LOG.debug("Logging in to APRS-IS with user '%s'" % user)
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msg = ("user {} pass {} vers aprsd {}\n".format(user, password, aprsd.__version__))
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sock.send(msg.encode())
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def signal_handler(signal, frame):
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LOG.info("Ctrl+C, exiting.")
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# sys.exit(0) # thread ignores this
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os._exit(0)
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# end signal_handler
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def parse_email(msgid, data, server):
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envelope = data[b'ENVELOPE']
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# email address match
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@ -630,10 +624,9 @@ def main(args=args):
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user = CONFIG['aprs']['login']
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password = CONFIG['aprs']['password']
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LOG.debug("LOGIN to APRSD with user '%s'" % user)
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msg = ("user {} pass {} vers aprsd {}\n".format(user, password,
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aprsd.__version__))
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sock.send(msg.encode())
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#LOG.debug("LOGIN to APRSD with user '%s'" % user)
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#msg = ("user {} pass {} vers aprsd {}\n".format(user, password, aprsd.__version__))
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#sock.send(msg.encode())
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time.sleep(2)
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@ -652,8 +645,7 @@ def main(args=args):
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line = ""
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try:
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line = sock_file.readline().strip()
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if line:
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LOG.info(line)
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LOG.info("APRS-IS: " + line)
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# is aprs message to us? not beacon, status, empty line, etc
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searchstring = '::%s' % user
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if re.search(searchstring, line):
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@ -662,22 +654,16 @@ def main(args=args):
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LOG.debug("reset empty line counter")
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empty_line_rx = 0
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else:
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LOG.debug("Noise: " + line)
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# LOG.debug("Noise: " + line)
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# detect closed socket, getting lots of empty lines
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if len(line.strip()) == 0:
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LOG.debug("Zero line length received. Consecutive empty line count: " + str(empty_line_rx))
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empty_line_rx += 1
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if empty_line_rx >= 30:
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LOG.debug("Excessive empty lines received, socket likely CLOSED_WAIT. Reconnecting.")
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sock_file.close()
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sock.shutdown(0)
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sock.close()
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time.sleep(30)
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setup_connection()
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sock.send("user %s pass %s vers https://github.com/craigerl/aprsd 2.00\n" % (user, password))
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#LOG.debug("reset empty line counter")
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empty_line_rx = 0
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continue
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raise Exception("closed_socket")
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continue # line is something we don't care about
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# ACK (ack##)
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if re.search('^ack[0-9]+', message):
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@ -767,7 +753,6 @@ def main(args=args):
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LOG.debug("LOCATION")
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# get last location of a callsign, get descriptive name from weather service
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try:
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print("XXX message is:" + message)
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a = re.search(r"^.*\s+(.*)", message) # optional second argument is a callsign to search
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if a is not None:
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searchcall = a.group(1)
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@ -833,38 +818,33 @@ def main(args=args):
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# USAGE
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else:
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LOG.debug("USAGE")
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reply = "Usage: weath, locate <callsign>, ping, time, fortune"
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reply = "Usage: weather, locate <callsign>, ping, time, fortune"
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send_message(fromcall, reply)
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# let any threads do their thing, then ack
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time.sleep(1)
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# send an ack last
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LOG.debug("SEND ACK")
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LOG.debug("Send ACK to radio.")
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send_ack(fromcall, ack)
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except Exception as e:
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LOG.error("Error in mainline loop:")
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LOG.error("%s" % str(e))
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if (str(e) == "timed out" or str(e) == "Temporary failure in name resolution" or str(e) == "Network is unreachable"):
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if ( str(e) == "closed_socket" or str(e) == "timed out" or str(e) == "Temporary failure in name resolution" or str(e) == "Network is unreachable"):
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LOG.error("Attempting to reconnect.")
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sock_file.close()
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sock.shutdown(0)
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sock.close()
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setup_connection()
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sock.send("user %s pass %s vers https://github.com/craigerl/aprsd 2.00\n" % (user, password))
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LOG.debug("continue: connection failed, just reconnected")
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continue
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# LOG.error("Exiting.")
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# os._exit(1)
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LOG.error("Unexpected error: " + str(e))
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LOG.error("Continuing anyway.")
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time.sleep(5)
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LOG.debug("contnue: Unexpected error: " + str(e))
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continue # don't know what failed, so wait and then continue main loop again
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LOG.debug("Main loop end")
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# end while True
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# end while True
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exit()
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if __name__ == "__main__":
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