#!/bin/bash
#
# Copyright (C) 2022 Masatake YAMATO <yamato@redhat.com>
#
# This file is part of util-linux.
#
# This file 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 file 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.
#
TS_TOPDIR="${0%/*}/../.."
TS_DESC="UNIX stream sockets"

. "$TS_TOPDIR"/functions.sh
ts_init "$*"

. "$TS_SELF/lsfd-functions.bash"

ts_check_test_command "$TS_CMD_LSFD"
ts_check_test_command "$TS_HELPER_MKFDS"

ts_cd "$TS_OUTDIR"

PID=
FDS=3
FDC=4
FDA=5
EXPR='(((TYPE == "UNIX-STREAM") or (TYPE == "UNIX")) and (FD >= 3) and (FD <= 5))'

{
    for t in stream seqpacket; do
	# TYPE is not tested here; AF_UNIX+SOCK_STREAM socket type was changed from "UNIX"
	# to "UNIX-STREAM" at a time in Linux kernel development history.
	coproc MKFDS { "$TS_HELPER_MKFDS" unix-stream $FDS $FDC $FDA \
					  path=test_mkfds-unix-${t} \
					  type=$t ; }
	if read -r -u "${MKFDS[0]}" PID; then
	    ${TS_CMD_LSFD} -n \
			   -o ASSOC,STTYPE,NAME,SOCK.STATE,SOCK.TYPE,SOCK.LISTENING,UNIX.PATH \
			   -p "${PID}" -Q "${EXPR}" | lsfd_strip_type_stream
	    echo 'ASSOC,STTYPE,NAME,SOCK.STATE,SOCK.TYPE,SOCK.LISTENING,UNIX.PATH': ${PIPESTATUS[0]}

	    kill -CONT "${PID}"
	fi
	wait "${MKFDS_PID}"

	coproc MKFDS { "$TS_HELPER_MKFDS" unix-stream $FDS $FDC $FDA \
					  path=test_mkfds-unix-${t}-abs \
					  abstract=true ; }
	if read -r -u "${MKFDS[0]}" PID; then
	    ${TS_CMD_LSFD} -n \
			   -o ASSOC,STTYPE,NAME,SOCK.STATE,SOCK.TYPE,SOCK.LISTENING,UNIX.PATH \
			   -p "${PID}" -Q "${EXPR}" | lsfd_strip_type_stream
	    echo '(abs) ASSOC,STTYPE,NAME,SOCK.STATE,SOCK.TYPE,SOCK.LISTENING,UNIX.PATH': ${PIPESTATUS[0]}

	    kill -CONT "${PID}"
	fi
	wait "${MKFDS_PID}"

	coproc MKFDS { "$TS_HELPER_MKFDS" unix-stream $FDS $FDC $FDA \
					  path=test_mkfds-unix-${t}-shutdown \
					  server-shutdown=3 \
					  client-shutdown=3 \
					  type=$t ; }
	if read -r -u "${MKFDS[0]}" PID; then
	    ${TS_CMD_LSFD} -n \
			   -o ASSOC,STTYPE,NAME,SOCK.STATE,SOCK.TYPE,SOCK.LISTENING,UNIX.PATH \
			   -p "${PID}" -Q "${EXPR}" | lsfd_strip_type_stream
	    echo '(shutdown) ASSOC,STTYPE,NAME,SOCK.STATE,SOCK.TYPE,SOCK.LISTENING,UNIX.PATH': ${PIPESTATUS[0]}
	    # Surprisingly, the socket status doesn't change at all.

	    kill -CONT "${PID}"
	fi
	wait "${MKFDS_PID}"

	coproc MKFDS { "$TS_HELPER_MKFDS" unix-stream $FDS $FDC $FDA \
					  path="test_mkfds-unix with spaces ${t}" \
					  type=$t ; }
	if read -r -u "${MKFDS[0]}" PID; then
	    ${TS_CMD_LSFD} -n \
			   -o ASSOC,STTYPE,NAME,SOCK.STATE,SOCK.TYPE,SOCK.LISTENING,UNIX.PATH \
			   -p "${PID}" -Q "${EXPR}" | lsfd_strip_type_stream
	    echo 'ASSOC,STTYPE,NAME,SOCK.STATE,SOCK.TYPE,SOCK.LISTENING,UNIX.PATH': ${PIPESTATUS[0]}

	    kill -CONT "${PID}"
	fi
	wait "${MKFDS_PID}"

    done
} > "$TS_OUTPUT" 2>&1

ts_finalize