/*
 * Copyright 2016-2018, Intel Corporation
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *
 *     * Neither the name of the copyright holder nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * rpmemd_log_test.c -- unit tests for rpmemd_log
 */

#include <stddef.h>
#include <inttypes.h>
#include <sys/param.h>
#include <syslog.h>
#include <pwd.h>

#include "unittest.h"
#include "rpmemd_log.h"
#include "rpmemd_config.h"

static const char *config_print_fmt =
"log_file\t\t%s\n"
"poolset_dir:\t\t%s\n"
"persist_apm:\t\t%s\n"
"persist_general:\t%s\n"
"use_syslog:\t\t%s\n"
"max_lanes:\t\t%" PRIu64 "\n"
"log_level:\t\t%s";

/*
 * bool_to_str -- convert bool value to a string ("yes" / "no")
 */
static inline const char *
bool_to_str(bool v)
{
	return v ? "yes" : "no";
}

/*
 * config_print -- print rpmemd_config to the stdout
 */
static void
config_print(struct rpmemd_config *config)
{
	UT_ASSERT(config->log_level < MAX_RPD_LOG);

	UT_OUT(
		config_print_fmt,
		config->log_file,
		config->poolset_dir,
		bool_to_str(config->persist_apm),
		bool_to_str(config->persist_general),
		bool_to_str(config->use_syslog),
		config->max_lanes,
		rpmemd_log_level_to_str(config->log_level));
}

/*
 * parse_test_params -- parse command line options specific to the test
 *
 * usage: rpmemd_config [rpmemd options] [test options]
 *
 * Available test options:
 * - print_HOME_env prints current HOME_ENV value
 */
static void
parse_test_params(int *argc, char *argv[])
{
	if (*argc <= 1)
		return;

	if (strcmp(argv[*argc - 1], "print_HOME_env") == 0) {
		char *home = os_getenv(HOME_ENV);
		if (home) {
			UT_OUT("$%s == %s", HOME_ENV, home);
		} else {
			UT_OUT("$%s is not set", HOME_ENV);
		}
	} else {
		return;
	}

	*argc -= 1;
}

int
main(int argc, char *argv[])
{

	/* workaround for getpwuid open fd */
	getpwuid(getuid());

	START(argc, argv, "rpmemd_config");

	int ret = rpmemd_log_init("rpmemd_log", NULL, 0);
	UT_ASSERTeq(ret, 0);

	parse_test_params(&argc, argv);

	struct rpmemd_config config;

	ret = rpmemd_config_read(&config, argc, argv);
	if (ret) {
		UT_OUT("invalid config");
	} else {
		config_print(&config);
	}

	rpmemd_log_close();
	rpmemd_config_free(&config);

	DONE(NULL);
}