#!/bin/sh
# PCP QA Test No. 1148
# mutual exclusion for pmlogger_check?
# see also qa/1146 and qa/1147 for the versions testing the init
# scripts and systemctl above the pmlogger_check level
#
# Copyright (c) 2019 Ken McDonell.  All Rights Reserved.
#

seq=`basename $0`
echo "QA output created by $seq"

# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check

_cleanup()
{
    cd $here
    $sudo rm -rf $tmp $tmp.*
    _service pmlogger start | _filter_pcp_start
    _wait_for_pmlogger
    _restore_auto_restart pmlogger
}

status=1	# failure is the default!
$sudo rm -rf $tmp $tmp.* $seq.full
trap "_cleanup; exit \$status" 0 1 2 3 15

pid=`_get_primary_logger_pid`
echo "+++ at the start primary pmlogger pid = $pid" >>$here/$seq.full
_stop_auto_restart pmlogger
_service pmlogger stop | _filter_pcp_stop
_wait_pmlogger_end $pid

# real QA test starts here
for i in 1 2 3 4
do
    $sudo $PCP_BINADM_DIR/pmlogger_check >$tmp.$i 2>&1 &
done

wait
_wait_for_pmlogger

# Warnings about ...log and ...log.prev are unavoidable as saving the
# "previous" log is done outside the per-logging-directory locking that
# is used to ensure mutual exclusion
#
for i in 1 2 3 4
do
    echo "== $i ==="
    _filter_pcp_start <$tmp.$i \
    | sed \
	-e '/^cp: cannot create .*\/pmlogger_check.log.prev/d' \
	-e '/^cp: cannot stat .*\/pmlogger_check.log/d' \
	-e '/^_save_prev_filename: .*\/pmlogger_check.log.prev" failed/d' \
    # end
done

./870 --check

echo "+++ at the end primary pmlogger pid = `_get_primary_logger_pid`" >>$here/$seq.full

# success, all done
status=0
exit
