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qmail2dlf: convert sanitized qmail-send logs to dlf


qmail2dlf - convert sanitized qmail-send logs to dlf
qmail2dlf reads qmail-send logs from stdin, writes dlf to stdout, and, in case of errors, complains on stderr.


We expect timestamps which look like e.g. '977359048.466280500' in our log: number of seconds since the epoch, in any precision. The log should feature lines which look something like: 982584201.511524 info msg 6426: bytes 3537 from <qmail-return-63074-joostvb=mdcc.cx@list.cr.yp.to> qp 21089 uid 70 splogger, as distributed with qmail, writes 'a numerical timestamp', ie something like 972802273.627578, indicating seconds and nanoseconds since the beginning of 1970. multilog, as distributed with daemontools, //cr.yp.to/daemontools.html, if invoked with action t, writes a '@' and a tai64n format timestamp. These timestamps look like e.g. 4000000039ef8532346bb35c. Note that 0x400000000000000000000000 is 2^62. One can get the current time in tai64 format by doing: echo 40000000'(echo obase = 16; date +%s) | bc'00000000 (assuming GNU date is installed) To convert tai64n to numerical timestamps, one can use Russ Allbery's tai64nfraq. It's in the public domain, available from //www.qmail.org/tai64nfrac.


To process a log as produced by splogger: $ lr_desyslog qmail < mail.log | qmail2dlf To process a log as produced by multilog: $ tai64nfrac < current | qmail2dlf qmail2dlf(1) will be rarely used on its own, but is more likely called by lr_log2report: $ tai64nfrac < /service/qmail-send/log/main/current | \ lr_log2report qmail


We don't deal with bounces: email qmail none qmail2dlf info skipping line '986244190.800217 bounce msg 6306 qp 28445': first field should be one of 'new', 'info', 'starting', 'delivery', 'end' or 'status:', not 'bounce' qmail2dlf doesn't use any information from the qmail-smtpd(1) logs. (These look like 2002-06-16 09:34:57.798038500 tcpserver: pid 19385 from 2002-06-16 09:34:58.114198500 tcpserver: ok 19385 foo.example.com: logreport.iae.nl: .)


$Id: qmail2dlf.in,v 1.24 2006/07/23 13:16:34 vanbaal Exp $
Copyright (C) 2000, 2001 Stichting LogReport Foundation LogReport@LogReport.org This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program (see COPYING); if not, check with //www.gnu.org/copyleft/gpl.html.
Joost van Baal <joostvb@logreport.org> QMAIL2DLF(1)

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