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#!/bin/bash
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#
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# pppd_getProcessIds.sh --- This function parses the pppd's log
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# messages and returns the process ids of each pppd connection.
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#
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# This function works with regular pppd log messages like the following:
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#
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# Jul 13 00:04:42 projects pppd[8076]: pppd 2.4.4 started by root, uid 0
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# Jul 13 00:04:42 projects pppd[8076]: Using interface ppp0
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# Jul 13 00:04:42 projects pppd[8076]: local IP address 10.64.64.64
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# Jul 13 00:04:42 projects pppd[8076]: remote IP address 10.112.112.112
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# Jul 13 00:04:58 projects pppd[8076]: Starting link
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# Jul 13 00:05:34 projects pppd[8076]: Serial connection established.
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# Jul 13 00:05:34 projects pppd[8076]: Connect: ppp0 <--> /dev/ttyACM0
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# Jul 13 00:05:36 projects pppd[8076]: PAP authentication succeeded
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# Jul 13 00:05:36 projects pppd[8076]: Local IP address changed to 200.55.159.1
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# Jul 13 00:05:36 projects pppd[8076]: Remote IP address changed to 192.168.254.182
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# Jul 13 01:53:30 projects pppd[8076]: Terminating on signal 15
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# Jul 13 01:53:30 projects pppd[8076]: Connect time 107.9 minutes.
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# Jul 13 01:53:30 projects pppd[8076]: Sent 2243056 bytes, received 21047698 bytes.
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# Jul 13 01:53:36 projects pppd[8076]: Connection terminated.
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# Jul 13 01:53:37 projects pppd[8076]: Terminating on signal 15
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# Jul 13 01:53:37 projects pppd[8076]: Exit.
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#
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# Copyright (C) 2012 Alain Reguera Delgado
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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# ----------------------------------------------------------------------
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# $Id$
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# ----------------------------------------------------------------------
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function pppd_getProcessIds {
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echo "$MESSAGES" | gawk '{print $5}' \
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| sed -r 's!pppd\[([0-9]+)]:!\1!' | sort | uniq
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}
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