--- /dev/null
+setup ()
+{
+ setup_dbdir
+}
+
+result_filter()
+{
+ sed -e 's|\( of debug locks PID=\)[0-9]*|\1PID|'
+}
+
+tdb_path ()
+{
+ echo "${CTDB_DBDIR}/${1}.${FAKE_CTDB_PNN}"
+}
+
+fake_file_id ()
+{
+ _path="$1"
+
+ echo "$FAKE_FILE_ID_MAP" |
+ awk -v path="$_path" '$1 == path { print $2 }'
+}
+
+fake_stack_trace ()
+{
+ _pid="$1"
+ _command="${2:-smbd}"
+ _state="$3"
+
+ echo "----- Stack trace for PID=${_pid} -----"
+
+ case "$_state" in
+ D*)
+ cat <<EOF
+----- Process in D state, printing kernel stack only
+[<ffffffff87654321>] fake_stack_trace_for_pid_${_pid}/stack+0x0/0xff
+EOF
+ ;;
+ *)
+ cat <<EOF
+Thread 1 (Thread 0x7f688fbfb180 (LWP ${_pid}) "${_command}"):
+#0 0x00007f688ff7a076 in open (FAKE ARGS...) at FAKE PLACE
+....
+#3 0x000055cd368ead72 in main (argc=<optimized out>, argv=<optimized out>) at ${_command}.c
+EOF
+ ;;
+ esac
+}
+
+do_test ()
+{
+ _holder_scope="$1"
+ _holder_state="$2"
+ _helper_scope="$3"
+
+ FAKE_PS_MAP=$(cat <<EOF
+1234567 ctdbd S
+2345678 smbd S
+4131931 smbd ${_holder_state}
+4132032 ctdb_lock_helpe S+
+EOF
+ )
+ export FAKE_PS_MAP
+
+ FAKE_FILE_ID_MAP=""
+ _tdbs="locking.tdb brlock.tdb test.tdb foo.tdb"
+ _n=1
+ for _t in $_tdbs ; do
+ _path=$(tdb_path "$_t")
+ _inode=$((19690818 + _n))
+ FAKE_FILE_ID_MAP=$(cat <<EOF
+${FAKE_FILE_ID_MAP}
+${_path} 103:04:${_inode}
+EOF
+ )
+ rm -f "$_path"
+ touch "$_path"
+ _n=$((_n + 1))
+ done
+ export FAKE_FILE_ID_MAP
+
+ _path=$(tdb_path "locking.tdb")
+ _locking_tdb_id=$(fake_file_id "$_path")
+
+ _t=$(cat <<EOF
+POSIX ADVISORY WRITE 3769740 103:04:24380821 1073741826 1073742335
+FLOCK ADVISORY WRITE 3632524 103:02:1059266 0 EOF
+FLOCK ADVISORY WRITE 4060231 00:17:17184 0 EOF
+POSIX ADVISORY READ 1234567 ${_locking_tdb_id} 4 4
+POSIX ADVISORY WRITE 59178 103:04:24380821 1073741826 1073742335
+POSIX ADVISORY READ 4427 103:04:22152234 1073741826 1073742335
+POSIX ADVISORY WRITE 4427 103:04:22152494 0 EOF
+POSIX ADVISORY READ 4427 103:04:22152702 1073741826 1073742335
+EOF
+ )
+
+ _holder_lock=""
+ if [ "$_holder_scope" = "DB" ] ; then
+ _holder_lock=$(cat <<EOF
+POSIX ADVISORY WRITE 4131931 ${_locking_tdb_id} 168 EOF
+EOF
+ )
+ elif [ "$_holder_scope" = "RECORD" ] ; then
+ _holder_lock=$(cat <<EOF
+POSIX ADVISORY WRITE 2345678 ${_locking_tdb_id} 112736 112736
+POSIX ADVISORY WRITE 4131931 ${_locking_tdb_id} 225472 225472
+EOF
+ )
+ fi
+
+ _t=$(cat <<EOF
+$_t
+$_holder_lock
+EOF
+ )
+
+ _helper_lock=""
+ if [ "$_helper_scope" = "DB" ] ; then
+ _helper_lock=$(cat <<EOF
+-> POSIX ADVISORY WRITE 4132032 ${_locking_tdb_id} 168 170
+EOF
+ )
+ elif [ "$_helper_scope" = "RECORD" ] ; then
+ _helper_lock=$(cat <<EOF
+-> POSIX ADVISORY WRITE 4132032 ${_locking_tdb_id} 112736 112736
+EOF
+ )
+ fi
+ _t=$(cat <<EOF
+$_t
+$_helper_lock
+EOF
+ )
+
+ if [ "$_holder_scope" = "DB" ] ; then
+ _t=$(cat <<EOF
+$_t
+POSIX ADVISORY READ 4131931 ${_locking_tdb_id} 4 4
+EOF
+ )
+ elif [ "$_holder_scope" = "RECORD" ] ; then
+ _t=$(cat <<EOF
+$_t
+POSIX ADVISORY READ 2345678 ${_locking_tdb_id} 4 4
+POSIX ADVISORY READ 4131931 ${_locking_tdb_id} 4 4
+EOF
+ )
+ fi
+
+ _t=$(cat <<EOF
+$_t
+POSIX ADVISORY READ 3769740 103:04:24390149 1073741826 1073742335
+POSIX ADVISORY WRITE 3769740 103:04:24380839 1073741826 1073742335
+FLOCK ADVISORY WRITE 3769302 103:02:1180313 0 EOF
+FLOCK ADVISORY WRITE 3769302 103:02:1177487 0 EOF
+FLOCK ADVISORY WRITE 3769302 103:02:1180308 0 EOF
+OFDLCK ADVISORY READ -1 00:05:6 0 EOF
+EOF
+ )
+
+ FAKE_PROC_LOCKS=$(echo "$_t" | awk '{ printf "%d: %s\n", NR, $0 }')
+ export FAKE_PROC_LOCKS
+
+ _out=''
+ _nl='
+'
+ _db="locking.tdb.${FAKE_CTDB_PNN}"
+
+ _pids=''
+ # fake lock info
+ while read -r _ _ _ _pid _ _start _end ; do
+ _comm="smbd"
+ _out="${_out:+${_out}${_nl}}"
+ _out="${_out}${_pid} smbd ${_db} ${_start} ${_end}"
+ _pids="${_pids:+${_pids} }${_pid}"
+ done <<EOF
+$_holder_lock
+EOF
+
+ if [ -n "$_helper_lock" ] ; then
+ read -r _ _ _ _ _pid _ _start _end <<EOF
+$_helper_lock
+EOF
+ _out="${_out}${_nl}"
+ _out="${_out}${_pid} ctdb_lock_helpe ${_db} ${_start} ${_end} W"
+ fi
+
+ # fake stack traces
+ for _pid in $_pids ; do
+ _comm="smbd"
+ if [ "$_pid" = "4131931" ] ; then
+ _state="$_holder_state"
+ else
+ _state="S"
+ fi
+ _out=$(cat <<EOF
+$_out
+$(fake_stack_trace "$_pid" "$_comm" "$_state")
+EOF
+ )
+ done
+
+ ok <<EOF
+===== Start of debug locks PID=PID =====
+$_out
+===== End of debug locks PID=PID =====
+EOF
+
+ script_test "${script_dir}/${script}"
+}
projects / thirdparty / samba.git / commitdiff
