#! /bin/sh
# $OpenLDAP$
## This work is part of OpenLDAP Software <http://www.openldap.org/>.
##
## Copyright 1998-2021 The OpenLDAP Foundation.
## All rights reserved.
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted only as authorized by the OpenLDAP
## Public License.
##
## A copy of this license is available in the file LICENSE in the
## top-level directory of the distribution or, alternatively, at
## <http://www.OpenLDAP.org/license.html>.

echo "running defines.sh"
. $SRCDIR/scripts/defines.sh

if test $SYNCPROV = syncprovno; then
	echo "Syncrepl provider overlay not available, test skipped"
	exit 0
fi

mkdir -p $TESTDIR $DBDIR1

echo "This test checks for pending operations to resume correctly"
echo "after they were stopped by a writer getting blocked by a full"
echo "socket output buffer. It uses a search with syncrepl control"
echo "and multiple modifications to generate enough responses to"
echo "fill the output buffer."
echo ""

#
# Test replication:
# - start provider
# - populate over ldap
# - start persistent search and ignoring responses
# - perform some repeated adds/deletes to fill buffer
# - abandon persistent search and issue new search
# - if the bug is present, this will timeout.
#

echo "Starting provider slapd on TCP/IP port $PORT1..."
. $CONFFILTER $BACKEND < $SRPROVIDERCONF > $CONF1
$SLAPD -f $CONF1 -h $URI1 -d $LVL > $LOG1 2>&1 &
PID=$!
if test $WAIT != 0 ; then
    echo PID $PID
    read foo
fi
KILLPIDS="$PID"

sleep 1

echo "Using ldapsearch to check that provider slapd is running..."
for i in 0 1 2 3 4 5; do
	$LDAPSEARCH -s base -b "$MONITOR" -H $URI1 \
		'objectclass=*' > /dev/null 2>&1
	RC=$?
	if test $RC = 0 ; then
		break
	fi
	echo "Waiting 5 seconds for slapd to start..."
	sleep 5
done

if test $RC != 0 ; then
	echo "ldapsearch failed ($RC)!"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
fi

echo "Using ldapadd to populate the provider directory..."
$LDAPADD -D "$MANAGERDN" -H $URI1 -w $PASSWD < \
	$LDIFORDERED > /dev/null 2>&1
RC=$?
if test $RC != 0 ; then
	echo "ldapadd failed ($RC)!"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
fi

echo "Starting persistent search and modifications..."
echo '(Ignore the "press Enter to continue" that appears below)'
( sleep 3; echo "" 1>&2; $PROGDIR/slapd-addel -H $URI1 -D "$MANAGERDN" -w $PASSWD -l 4000 -f $DATADIR/do_add.1 1>&2; \
echo "" ) | $LDAPSEARCH -b "$BASEDN" -H $URI1 -E sync=rp -e backlog -l $SLEEP1

if test $? != 0 ; then
	echo "ldapsearch failed - write waiter didn't resume pending ops"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit 1
fi

test $KILLSERVERS != no && kill -HUP $KILLPIDS

echo ">>>>> Test succeeded"

test $KILLSERVERS != no && wait

exit 0