#! /bin/sh
# PCP QA Test No. 244
# PMCD SIGHUP processing tests with $PCP_PMCDCONF_PATH changes
#
# Copyright (c) 1995-2002 Silicon Graphics, Inc.  All Rights Reserved.
#

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

# get standard filters
. ./common.product
. ./common.filter
. ./common.check

_get_libpcp_config
rm -f $seq.out
if $ipv6 ; then
    ln $seq.out.ipv6 $seq.out || exit 1
else
    ln $seq.out.nonipv6 $seq.out || exit 1
fi

_filter_log()
{
    sleep 3
    _filter_pmcd_log <./pmcd.log \
    | sed \
	-e '/^DATA: from client/d' \
	-e '/cmd=.*pmdasample/s//cmd=...pmdasample/' \
	-e 's/ \[(nil)]//' \
	-e 's/Cannot open 000000660066: No such file or directory//' \
	-e 's/^$//' \
	-e '/^00[08]:/d' \
	-e '/pmGetPDU/{
s/\[[0-9][0-9]*]/[PID]/
s/from=.*/from=PID/
}' \
	-e '/_pmHaveMoreInput/{
s/\[[0-9][0-9]*]/[PID]/
s/0x[^ ]*\([^ ][^ ][^ ]\)/ADDR...\1/
}' \
	-e '/Piggy-back/{
s/0x[^ ]*\([^ ][^ ][^ ]\)/ADDR...\1/
s/from=.*/from=PID/
}' \
	-e '/pmXmitPDU/s/\[[0-9][0-9]*]/[PID]/' \
	-e '/pmResult/s/ .* numpmid/ ... numpmid/' \
	-e '/value /{
s/value [0-9][0-9]*/value INTEGER/
}' \
	-e 's;pcp/lib/mips_[^.]*\.;pcp/lib/ISA.;' \
	-e '/access violation from host/d' \
	-e '/endclient client.* No permission/d' \
	-e 's/fd=[0-9][0-9]*/fd=FD/g' \
	-e "/sed: couldn't flush stdout: Broken pipe/d" \
	-e '/UNIX_DOMAIN_SOCKET/d' \
	-e '/unix:/d' \
    | $PCP_AWK_PROG '
$3 ~ /^[0-9][0-9]*$/	{ $3 = "A_PID" }
$1 == "news"		{ $4 = "fd_in"; $5 = "fd_out" }
$1 == "cisco"		{ $4 = "fd_in"; $5 = "fd_out"
			  for (i = 9; i <= NF; i++) {
			    # cull args like wanfoo:s0 or wanbar:e1
			    if ($i ~ /:[a-z]/) $i = ""
			  }
			}
/pipe cmd=/		{ $4 = "FD"; $5 = "FD" }
/Host access list:/	{ localHostPrinted = 0 }
/localhost/		{ if (! localHostPrinted) {
			    localHostPrinted = 1
			    sub(/^[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*$/,"MYIPADDR",$5)
			    sub(/^[0-9a-f:][0-9a-f:]*%[0-9a-z]+$/,"MYIPADDR",$5)
			    sub(/^[0-9a-f:][0-9a-f:]*$/,"MYIPADDR",$5)
			    sub(/^[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*$/,"MYHOSTMASK",$6)
			    sub(/^[0-9a-f:][0-9a-f:]*$/,"MYHOSTMASK",$6)
			  }
			  else next
			}
			{ print }' \
    | _filter_optional_pmdas \
    | sed \
	-e 's/_o32/_SIZE/' \
	-e 's/_n32/_SIZE/' \
	-e 's/_64/_SIZE/' \
	-e "s;$here/src/;;" \
	-e '/Cleanup "fake_linux" agent (dom 60): unconfigured/q'
}

CONFIG=$PCP_PMCDCONF_PATH
NEWCONFIG=$tmp/pmcd.conf
CONFIGSAVE=$tmp/pmcd.conf.save
[ -z "$PCP_PMLOGGERCONTROL_PATH" ] && \
	PCP_PMLOGGERCONTROL_PATH="$PCP_SYSCONF_DIR/pmlogger/control"
LOGCONTROL=$PCP_PMLOGGERCONTROL_PATH
SAVE_LOGCONTROL=$tmp/control.save
signal="$sudo $PCP_BINADM_DIR/pmsignal"
_needclean=true

# for local PMNS to avoid conflict with pmcd tests
#
NAMESPACE="-n $here/src/root_irix"

rm -rf $tmp $tmp.*
mkdir $tmp
chmod ugo+rwx $tmp
cd $tmp

$sudo chmod u+w $CONFIG
cp $CONFIG $CONFIGSAVE
[ -f $LOGCONTROL ] && $sudo mv $LOGCONTROL $SAVE_LOGCONTROL

cleanup()
{
    cd $here
    if $_needclean
    then
	_needclean=false
	$signal -s TERM $pmcd
	sleep 1
	$sudo rm -f $CONFIG
	$sudo cp $CONFIGSAVE $CONFIG
	$sudo chmod u-w $CONFIG
	[ -f $SAVE_LOGCONTROL ] && $sudo mv $SAVE_LOGCONTROL $LOGCONTROL
	_restore_loggers
	echo "Restart and ping pmcd ..."
	unset PMCD_PORT
	unset PMCD_SOCKET
	$sudo $PCP_RC_DIR/pcp restart | _filter_pcp_start
	_wait_for_pmcd
	_wait_for_pmlogger
	pmprobe pmcd.control.debug
	sleepers=`ps $PCP_PS_ALL_FLAGS | grep '[d]umb_pmda' | $PCP_AWK_PROG '$3 == 1 { print $2 }'`
	[ ! -z "$sleepers" ] && $sudo $signal -s KILL $sleepers
    fi
    rm -rf $tmp $tmp.*
}

trap cleanup 0 1 2 3 15

# real QA test starts here

$sudo $PCP_RC_DIR/pcp stop | _filter_pcp_stop
$sudo $signal -a pmgadgets pmchart pmview >/dev/null 2>&1
_disable_loggers
$sudo $signal -a -s TERM pmie >/dev/null 2>&1

# Make our own version of pmcd.conf with dummy agents that will time out.
# Copy the pmcd PMDA from the original pmcd.conf so that we can check pmcd's
# timeouts by storing into pmcd.control.timeout
# NOTE: none of the domains should clash with the pmcd PMDA (domain 2) or the
# sample agent (domain 254).  These agents will be appended to the file.
#
echo "fake_irix 1 pipe binary $here/src/dumb_pmda -d 1 fake_irix" >$NEWCONFIG
echo "fake_sampledso 30 pipe binary $here/src/dumb_pmda -d 30 fake_sampledso" >>$NEWCONFIG
echo "fake_cisco 5 pipe binary $here/src/dumb_pmda -d 5 fake_cisco" >>$NEWCONFIG
echo "fake_linux 60 pipe binary $here/src/dumb_pmda -d 60 fake_linux" >>$NEWCONFIG
grep pmda_pmcd $CONFIGSAVE | sed -e 's/[ 	][ 	]*/ /g' -e 's/[ 	]*$//' >>$NEWCONFIG
echo "[access]" >>$NEWCONFIG
echo "allow localhost : all;" >>$NEWCONFIG
echo "disallow * : all;" >>$NEWCONFIG
$sudo cp $NEWCONFIG $CONFIG

echo '$PCP_PMCDCONF_PATH contains:'
echo '<BEGIN>'
sed <$CONFIG \
    -e '/^pmcd/s; [^ ]*pmda_pmcd.'$DSO_SUFFIX'; ...pmda_pmcd.$DSO_SUFFIX;' \
    -e "s;$here/src/;;"
echo '<END>'

# Use a different port to avoid interference by remote monitors
#
port=`_find_free_port 5432`
export PMCD_PORT=$port
export PMCD_SOCKET=$tmp/pmcd.socket

# Note: start pmcd with -f so that its PID stays the same (no daemon)
# Also figure out which user we will run pmcd and its pmdas as
#
username=`id -u -n`
sudoopts="-u $username"
id pcp >/dev/null 2>&1 && sudoopts="-u pcp"

cat >$tmp.sh <<END
#!/bin/sh
export PATH=$here/src:$PATH
$PCP_PMCD_PROG -f -t 2 &
echo \$!
END
pmcd=`$sudo $sudoopts sh $tmp.sh`

# complete V1 PMDA timeouts, then wait for pmcd
#
sleep 12
_wait_for_pmcd

# If agent not restarted then both messages will be "no agent for domain..."
#
echo "Expect \"IPC protocol failure\" ..."
pminfo $NAMESPACE -d hinv.ncpu

# Now remove the fake_sampledso agent and add the sample agent from the
# original config file and restart PMCD.
# The config file has changed and there is also a dead agent to restart.
#
sed <$NEWCONFIG >$tmp.tmp \
    -e '1{
a \
'"`grep pmdasample $CONFIGSAVE | sed -e 's/[ 	][ 	]*/ /g' -e 's/[ 	]*$//'`"'
}' \
    -e '/fake_sampledso/d'
mv $tmp.tmp $NEWCONFIG
$sudo cp $NEWCONFIG $CONFIG

echo '$PCP_PMCDCONF_PATH now contains:'
echo '<BEGIN>'
sed <$CONFIG \
    -e '/^pmcd/s; [^ ]*pmda_pmcd.'$DSO_SUFFIX'; ...pmda_pmcd.$DSO_SUFFIX;' \
    -e '/^sample/s; [^ ]*pmdasample; ...pmdasample;' \
    -e "s;$here/src/;;"
echo '<END>'

$signal -s HUP $pmcd
_wait_for_pmcd

echo "Expect \"Unknown or illegal metric identifier\" ..."
pminfo $NAMESPACE -d sampledso.control
echo "Expect \"IPC protocol failure\" ..."
pminfo $NAMESPACE -d hinv.ncpu
echo "Expect 9 values available ..."
pmprobe $NAMESPACE -v sample.bin

# Next, get the PID of the sample agent, copy the original config file back,
# restart PMCD (the sample agent's config line will be unchanged) and check
# that the sample agent has the same PID.
# The bogus fake_sampledso agent should have been terminated because it is
# no longer in the config file. 
# That isn't enough to terminate the sleep agent.
#
echo
echo "Deleting, adding and keeping agents test"
sample=`pminfo $NAMESPACE -f sample.daemon_pid | $PCP_AWK_PROG '
$1 == "value"	{ print $2 }
'`
sleep 1
ps -edf | grep dumb_pmda | grep fake_cisco >/dev/null || echo "Error: phony fake_cisco agent died prematurely"

$sudo cp $CONFIGSAVE $CONFIG

$signal -s HUP $pmcd
_wait_for_pmcd

ps -edf | grep dumb_pmda | grep fake_cisco >/dev/null && echo "Error: phony fake_cisco agent still lives!"

# Generate a PDU into the domain where the fake_sampledso agent used to be (#30 is
# assumed to be the sampledso PMDA)
#
echo "Getting a desriptor from domain 30 (fake_sampledso agent had this domain)"
pminfo $NAMESPACE -md sampledso.control

# check pmdasample has same pid (not restarted)
#
sample2=`pminfo $NAMESPACE -f sample.daemon_pid | $PCP_AWK_PROG '
$1 == "value"	{ print $2 }
'`
if [ "X$sample" != "X$sample2" ]
then
    echo "Sample agent needlessly restarted (pid changed from $sample to $sample2)"
fi

_filter_log
echo
echo "..."