#!/bin/bash
#
# Copyright (C) 2017 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only

CURDIR=$(dirname "$0")/
TESTDIR=$CURDIR/../../../

TESTAPP_STATE_PATH=$(mktemp --tmpdir -u "tmp.test_notif_kernel_uprobe_application_state.XXXXXXXXXX")

NUM_TESTS=13

# shellcheck source=../../../utils/utils.sh
source "$TESTDIR/utils/utils.sh"
# shellcheck source=./util_event_generator.sh
source "$CURDIR/util_event_generator.sh"

function test_kernel_userspace_probe_notification
{
	kernel_event_generator_run_once_per_transition userspace_probe_testapp "$TESTAPP_STATE_PATH" 10 &
	APP_PID=$!

	"$CURDIR/notification" 6 LTTNG_DOMAIN_KERNEL \
		$APP_PID "$TESTAPP_STATE_PATH" \
		"$USERSPACE_PROBE_ELF_TESTAPP_BIN" "test_function"

	kill -SIGUSR2 $APP_PID
	wait $APP_PID 2> /dev/null
}

if [ "$(id -u)" == "0" ]; then
	validate_lttng_modules_present

	start_lttng_sessiond_notap

	test_kernel_userspace_probe_notification

	stop_lttng_sessiond_notap
else
	# Kernel tests are skipped.
	plan_tests $NUM_TESTS
	skip 0 "Root access is needed. Skipping all kernel notification tests." $NUM_TESTS
fi

rm -f "$TESTAPP_STATE_PATH"
