#!/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/../../../

TMPDIR=$(mktemp -d)

TESTAPP_STATE_PATH=$(mktemp -u "$TMPDIR/application_state.XXXXXXXXXX")

NUM_TESTS=104

# 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_syscall_notification
{
	kernel_event_generator_run_once_per_transition generate_syscalls \
		"$TESTAPP_STATE_PATH" 10 /proc/cpuinfo /proc/cmdline &
	APP_PID=$!

	# Pass the syscall_generator_file for filtering
	"$CURDIR/notification" 5 LTTNG_DOMAIN_KERNEL $APP_PID \
		"$TESTAPP_STATE_PATH"


	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_syscall_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

# Just in case cleanup
rm -rf "$TMPDIR"