test99

Non-Networked File System在几个非网络的（或慢网络的）Unix 计算机上提供了一个兼容的文件系统。

#!/bin/sh
# -*- ksh -*-

. ./init_test

trap 'trap "" 0 1 2 ; echo STOP ; kill `cat xxx.pids` ; kill -1 `cat xxx.pids` ; Exit 0' 2


rm TMP/* 2>/dev/null || true

# set -x
prob() { X=$RANDOM
         test `expr $X % 100` -lt $1
 }
content() {
 X=`expr 10 + \( $1 % 100 \)`
 expr substr "$2##########################################################################################################################" 1 $X
} 

an_user() {
RANDOM=$1
set +e
while true
do
   for F in . ? ?/? ?/?/?
   do
	case $F in
	"?"*) continue ;;
	esac

	if prob 5
		then
		if [ $F != . ]
			then
			echo "Delete $F"
			rm -rf $F || true
			fi
		continue
		fi
	if prob 20
		then
			if [ -f $F ]
				then
				echo "Modify $F"
                                content ${RANDOM} $F >$F || true
			else
				if [ -L $F ]
					then
					echo "Mod.Lk $F"
					rm -f $F || true
                                        X=${RANDOM}
					ln -s `content $X $F` $F || true
					fi
				fi
			continue
		fi
	if prob 100
		then
		if [ ! -d $F ]
			then
			continue
			fi
		X=$RANDOM
		N="$F/`expr $X % 5 + 1`"
		if [ -f $N -o -d $N -o -L $N ]
			then
			continue
			fi
		if prob 50
			then
			echo "Create File $N"
			content $RANDOM $N >$N || true
		else
		if prob 90
			then
			echo "Create Dir $N"
			mkdir $N || true
		else
			echo "Create Link $N"
			X=${RANDOM}
			ln -s `content $X $N` $N || true
		fi
		fi
		continue
		fi
	done
done
}

runA -f $H/A
runB -a $H/B
runC -a $H/C
runD -a $H/D


terminate() {
kill    `cat xxx.pids` >/dev/null 2>&1 || true
kill -1 `cat xxx.pids` >/dev/null 2>&1 || true

for I in A B C D C B A B C D
do
echo -e "$I\c"
while true ; do echo ; done |
../../src/nnfs2 --no-x11 --host $I "*#*#9" "g_Ui_Txt#*#0" --dump >&2

if fgrep g_Ask_User_To_Free_Disk_Space <xxx.err >/dev/null
  then
    echo "NNFS ASKS QUESTION !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
    Exit 1
  fi

echo "

" >&2
done 2>xxx.err
echo
trap '' 0 1 2
same_hierarchy A B || Exit 2
same_hierarchy B C || Exit 2
same_hierarchy C D || Exit 2

Exit 0
}

X=`pwd`/TMP/xxx.pids
export X
(
echo >$X
cd $H/A
an_user $RANDOM &
echo $! >>$X
cd $H/B
an_user $RANDOM &
echo $! >>$X
cd $H/C
an_user $RANDOM &
echo $! >>$X
cd $H/D
an_user $RANDOM &
echo $! >>$X
) >TMP/xxx 2>&1

# renice 10 `cat TMP/xxx.pids` >/dev/null

OPTIONS=''
OPTIONS='*#*#9 g_Ui_Txt#*#0 --dump'

N=0
cd TMP
while true
	do
	X=$RANDOM
	case `expr $X % 4` in
	0) HO=A ;;
	1) HO=B ;;
	2) HO=C ;;
	3) HO=D ;;
	esac
	echo -n "$HO"	
	export HO
	O=`expr $N \% 10` || true
	rm -f exco.$O
	[ -f exco.AAA ] && mv exco.AAA exco.$O
	cp /tmp/NNFSmedium/exco.AAA exco.AAA || true
	while true ; do echo ; done | if ../../src/nnfs2 --no-x11 --host $HO $OPTIONS >$O. 2>$O
		then
		:
		else
		echo "    NNFS HAD A BIG PROBLEM"
		kill `cat xxx.pids`
		trap '' 0 1 2
		Exit 1
		fi
        if fgrep g_Ask_User_To_Free_Disk_Space <$O >/dev/null
	   then
           echo -e "/\c"
	   terminate
           fi
	N=`expr $N + 1`
	expr $N \% 80 >/dev/null || rm -rf /tmp/NNFShome/*/.nnfs/history
	done