nvml-sys 0.0.6

A low-level FFI wrapper around the Persistent Memory Development Kit, PMDK (formerly NVML) and its libraries, including libpmem, libpmemobj and others. Currently tracks master after version 1.3.1.
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/*
 * Copyright 2015-2017, 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.
 */

/*
 * log_pool.c -- unit test for pmemlog_create() and pmemlog_open()
 *
 * usage: log_pool op path [poolsize mode]
 *
 * op can be:
 *   c - create
 *   o - open
 *
 * "poolsize" and "mode" arguments are ignored for "open"
 */
#include "unittest.h"

#define MB ((size_t)1 << 20)

static void
pool_create(const wchar_t *path, size_t poolsize, unsigned mode)
{
	char *upath = ut_toUTF8(path);
	PMEMlogpool *plp = pmemlog_createW(path, poolsize, mode);

	if (plp == NULL)
		UT_OUT("!%s: pmemlog_create", upath);
	else {
		os_stat_t stbuf;
		STATW(path, &stbuf);

		UT_OUT("%s: file size %zu usable space %zu mode 0%o",
			upath, stbuf.st_size,
				pmemlog_nbyte(plp),
				stbuf.st_mode & 0777);

		pmemlog_close(plp);

		int result = pmemlog_checkW(path);

		if (result < 0)
			UT_OUT("!%s: pmemlog_check", upath);
		else if (result == 0)
			UT_OUT("%s: pmemlog_check: not consistent", upath);
	}
	free(upath);
}

static void
pool_open(const wchar_t *path)
{
	char *upath = ut_toUTF8(path);

	PMEMlogpool *plp = pmemlog_openW(path);
	if (plp == NULL)
		UT_OUT("!%s: pmemlog_open", upath);
	else {
		UT_OUT("%s: pmemlog_open: Success", upath);
		pmemlog_close(plp);
	}
	free(upath);
}


int
wmain(int argc, wchar_t *argv[])
{
	STARTW(argc, argv, "log_pool_win");

	if (argc < 3)
		UT_FATAL("usage: %s op path [poolsize mode]",
			ut_toUTF8(argv[0]));

	size_t poolsize;
	unsigned mode;

	switch (argv[1][0]) {
	case 'c':
		poolsize = wcstoul(argv[3], NULL, 0) * MB; /* in megabytes */
		mode = wcstoul(argv[4], NULL, 8);

		pool_create(argv[2], poolsize, mode);
		break;

	case 'o':
		pool_open(argv[2]);
		break;

	default:
		UT_FATAL("unknown operation");
	}

	DONEW(NULL);
}