#!/bin/sh

 # 
 # We don't look for 'still reachable' blocks, since clamd fork()s after loading
 # the DB. The parent exits without freeing the memory (but they are freed
 # anyway due to the exit).
 # To test for DB load leaks, we issue a RELOAD command, which should cause
 # leaks to be reported by valgrind if there are any.
 # 
 

 test "x$VG" = "x1" || { echo "*** valgrind tests skipped by default, use 'make check VG=1' to activate"; exit 77; }

 VALGRIND=`which ${VALGRIND-valgrind}`
 test -n "$VALGRIND" || { echo "*** valgrind not found, skipping test"; exit 77; }
 test -x "$VALGRIND" || { echo "*** valgrind not executable, skipping test"; exit 77; }
 

 parse_valgrindlog()
 {
 	if test ! -f $1; then

 		echo "*** Logfile $1 not found. Valgrind failed to run?"

 	fi

 	NRUNS=`grep -a "ERROR SUMMARY" $1 | wc -l`
 	if test $NRUNS -eq `grep -a "ERROR SUMMARY: 0 errors" $1 | wc -l` && test `grep -a "FATAL:" $1|wc -l ` -eq 0; then

 		if test "$1" = "valgrind-race.log" || 
 			test $NRUNS -eq `grep "no leaks are possible" $1 | wc -l` ||

 			test `grep "lost:" $1 | grep -v " 0 bytes" | wc -l` -eq 0; then 

 			if test -z "$GENSUPP"; then

 			        cp $1 /tmp

 				rm -f $1;
 			fi

 			return
 		else
 			echo "*** Valgrind test FAILED, memory LEAKS detected ***"

 			grep "lost:" $1 | grep -v " 0 bytes"

 		fi
 	else
 		if test "$1" = "valgrind-race.log" ; then
 			echo "*** Valgrind test FAILED, DATA RACES detected ****"
 		else
 			echo "*** Valgrind test FAILED, memory ERRORS detected ****"
 		fi
 		grep "ERROR SUMMARY" $1 | grep -v "0 errors"
 		sed -rn '
 			/^[=0-9]+ +at/ {
 				# save current line in hold buffer
 				x
 				# print hold buffer
 				p

 				# get original line back and print

 				x

 				p

 			}
 			# store it in hold buffer
 			h

 		' <$1 | grep -Ev "Thread.+was created" | grep -v "Open"

 	fi

 	echo "***"

 	echo "*** Please submit $1 to https://bugzilla.clamav.net"

 	echo "***"
 }
 

 if test "X$VALGRIND_GENSUPP" = "X1"; then
 	GENSUPP="--gen-suppressions=all"
 else
 	GENSUPP=
 fi
 

 VALGRIND_COMMON_FLAGS="-v --trace-children=yes --suppressions=$abs_srcdir/valgrind.supp --error-exitcode=123 $GENSUPP"

 VALGRIND_FLAGS="$VALGRIND_COMMON_FLAGS --track-fds=yes --leak-check=full"
 VALGRIND_FLAGS_RACE="$VALGRIND_COMMON_FLAGS --tool=helgrind"

 export CK_DEFAULT_TIMEOUT=40

 echo "--- Starting check_clamav under valgrind/memcheck"

 rm -f valgrind-check.log valgrind-clamd.log valgrind-race.log

 CK_FORK=no ../libtool --mode=execute $VALGRIND $VALGRIND_FLAGS --log-file=valgrind-check.log ./check_clamav &

 pid1=$!
 

 echo "--- Starting clamd under valgrind/memcheck"

 CLAMD_WRAPPER="$VALGRIND $VALGRIND_FLAGS --log-file=`pwd`/valgrind-clamd.log" $abs_srcdir/check_clamd.sh &

 pid2=$!

 echo "--- Starting clamd under valgrind/helgrind"

 CLAMD_TEST_UNIQ1=3 CLAMD_TEST_UNIQ2=4 CLAMD_WRAPPER="$VALGRIND $VALGRIND_FLAGS_RACE --log-file=`pwd`/valgrind-race.log" $abs_srcdir/check_clamd.sh &

 pid3=$!

 errors=0
 wait $pid1
 if test $? -ne 0; then
     # don't rm logs
     GENSUPP=1
     errors=1
 fi
 wait $pid2
 if test $? -ne 0; then
     GENSUPP=1
     errors=1
 fi
 wait $pid3
 if test $? -ne 0; then
     GENSUPP=1
     errors=1
 fi

 parse_valgrindlog valgrind-check.log
 parse_valgrindlog valgrind-clamd.log

 parse_valgrindlog valgrind-race.log
 

 if test -f valgrind-check.log || test -f valgrind-race.log || test -f valgrind-clamd.log; then

 	exit 1;

 fi

 exit $errors