+ local expected_to_fail=$1
+ local opts=$2
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN load $opts 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ret=$?
+ if [[ $expected_to_fail -eq "1" ]]; then
+ test $ret -ne "0"
+ ok $? "Load command failed as expected with opts: $opts"
+ else
+ ok $ret "Load command with opts: $opts"
+ fi
+}
+
+function lttng_load_ok()
+{
+ lttng_load 0 "$@"
+}
+
+function lttng_load_fail()
+{
+ lttng_load 1 "$@"
+}
+
+function lttng_track()
+{
+ local expected_to_fail="$1"
+ shift 1
+ local opts="$@"
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN track $opts >$OUTPUT_DEST
+ ret=$?
+ if [[ $expected_to_fail -eq "1" ]]; then
+ test $ret -ne "0"
+ ok $? "Track command failed as expected with opts: $opts"
+ else
+ ok $ret "Track command with opts: $opts"
+ fi
+}
+
+function lttng_track_ok()
+{
+ lttng_track 0 "$@"
+}
+
+function lttng_track_fail()
+{
+ lttng_track 1 "$@"
+}
+
+function lttng_untrack()
+{
+ local expected_to_fail="$1"
+ shift 1
+ local opts="$@"
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN untrack $opts >$OUTPUT_DEST
+ ret=$?
+ if [[ $expected_to_fail -eq "1" ]]; then
+ test $ret -ne "0"
+ ok $? "Untrack command failed as expected with opts: $opts"
+ else
+ ok $ret "Untrack command with opts: $opts"
+ fi
+}
+
+function lttng_untrack_ok()
+{
+ lttng_untrack 0 "$@"
+}
+
+function lttng_untrack_fail()
+{
+ lttng_untrack 1 "$@"
+}
+
+function lttng_track_pid_ok()
+{
+ PID=$1
+ "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" track --kernel --pid=$PID 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Lttng track pid on the kernel domain"
+}
+
+function lttng_untrack_kernel_all_ok()
+{
+ "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" untrack --kernel --pid --all 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Lttng untrack all pid on the kernel domain"
+}
+
+function lttng_track_ust_ok()
+{
+ lttng_track_ok -u "$@"
+}
+
+function lttng_track_ust_fail()
+{
+ lttng_track_fail -u "$@"
+}
+
+function lttng_track_kernel_ok()
+{
+ lttng_track_ok -k "$@"
+}
+
+function lttng_track_kernel_fail()
+{
+ lttng_track_fail -k "$@"
+}
+
+function lttng_untrack_ust_ok()
+{
+ lttng_untrack_ok -u "$@"
+}
+
+function lttng_untrack_ust_fail()
+{
+ lttng_untrack_fail -u "$@"
+}
+
+function lttng_untrack_kernel_ok()
+{
+ lttng_untrack_ok -k "$@"
+}
+
+function lttng_untrack_kernel_fail()
+{
+ lttng_untrack_fail -k "$@"
+}
+
+function lttng_add_context_list()
+{
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN add-context --list 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ret=$?
+ ok $ret "Context listing"
+}
+
+function add_context_lttng()
+{
+ local expected_to_fail="$1"
+ local domain="$2"
+ local session_name="$3"
+ local channel_name="$4"
+ local type="$5"
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN add-context -s $session_name -c $channel_name -t $type $domain 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ret=$?
+ if [[ $expected_to_fail -eq "1" ]]; then
+ test $ret -ne "0"
+ ok $? "Add context command failed as expected for type: $type"
+ else
+ ok $ret "Add context command for type: $type"
+ fi
+}
+
+function add_context_ust_ok()
+{
+ add_context_lttng 0 -u "$@"
+}
+
+function add_context_ust_fail()
+{
+ add_context_lttng 1 -u "$@"
+}
+
+function add_context_kernel_ok()
+{
+ add_context_lttng 0 -k "$@"
+}
+
+function add_context_kernel_fail()
+{
+ add_context_lttng 1 -k "$@"
+}
+
+function wait_live_trace_ready ()
+{
+ local url=$1
+ local zero_client_match=0
+
+ diag "Waiting for live trace at url: $url"
+ while [ $zero_client_match -eq 0 ]; do
+ zero_client_match=$($BABELTRACE_BIN -i lttng-live $url | grep "0 client(s) connected" | wc -l)
+ sleep 0.5
+ done
+ pass "Waiting for live trace at url: $url"
+}
+
+function wait_live_viewer_connect ()
+{
+ local url=$1
+ local one_client_match=0
+
+ diag "Waiting for live viewers on url: $url"
+ while [ $one_client_match -eq 0 ]; do
+ one_client_match=$($BABELTRACE_BIN -i lttng-live $url | grep "1 client(s) connected" | wc -l)
+ sleep 0.5
+ done
+ pass "Waiting for live viewers on url: $url"
+}
+
+function validate_metadata_event ()
+{
+ local event_name=$1
+ local nr_event_id=$2
+ local trace_path=$3
+
+ local metadata_file=$(find $trace_path | grep metadata)
+ local metadata_path=$(dirname $metadata_file)
+
+ which $BABELTRACE_BIN >/dev/null
+ skip $? -ne 0 "Babeltrace binary not found. Skipping trace matches"
+
+ local count=$($BABELTRACE_BIN --output-format=ctf-metadata $metadata_path | grep $event_name | wc -l)
+
+ if [ "$count" -ne "$nr_event_id" ]; then
+ fail "Metadata match with the metadata of $count event(s) named $event_name"
+ diag "$count matching event id found in metadata"
+ else
+ pass "Metadata match with the metadata of $count event(s) named $event_name"
+ fi