m0t1fs_fwait_test_helper.c

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/*
 * Copyright (c) 2020 Seagate Technology LLC and/or its Affiliates
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For any questions about this software or licensing,
 * please email opensource@seagate.com or cortx-questions@seagate.com.
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <limits.h>
#include <errno.h>
#include <string.h>
#include <sys/ioctl.h>

#include "m0t1fs/m0t1fs_ioctl.h"

#define PASS "pass"
#define FAIL "fail"

int test_fwait_write(int fd)
{
        int     rv;
        char   *str = "Hello World";

        /* write some data */
        rv = write(fd, str, strlen(str));

        /* Try and fwait on the file */
        rv = ioctl(fd, M0_M0T1FS_FWAIT);
        fprintf(stderr, "ioctl returned:%d\n", rv);

        return rv == 0;
}

int test_wrong_cmd(int fd)
{
        int rv;

        rv = ioctl(fd, M0_M0T1FS_FWAIT + 1);
        return rv < 0 && ENOTTY == errno;
}

int test_wrong_fd(void)
{
        int rv;

        rv = ioctl(666, M0_M0T1FS_FWAIT);
        return rv < 0 && EBADF == errno;
}

int main(int argc, char **argv)
{
        int     rv;
        int     fd;
        char    object_name[PATH_MAX];

        /* check we were told the mount point */
        if (argc != 2){
                fprintf(stderr, "Usage: %s /path/to/mount/point\n", argv[0]);
                exit(1);
        }

        /* Build a path for our to-create object */
        rv = snprintf(object_name, sizeof(object_name), "%s/0:11234151",
                      argv[1]);
        if (rv >= sizeof(object_name)) {
                fprintf(stderr, "Path overflow\n");
                exit(1);
        }

        /* Creat the object*/
        fd = creat(object_name, 0600);
        if (fd >= 0) {
                do {
                        /* Run the tests */
                        rv = test_fwait_write(fd);
                        fprintf(stderr, "test_fwait_write: %s\n",
                                rv ? PASS:FAIL);
                        if (!rv)
                                break;

                        rv = test_wrong_cmd(fd);
                        fprintf(stderr, "test_wrong_cmd: %s\n",
                                rv ? PASS:FAIL);
                        if (!rv)
                                break;

                        rv = test_wrong_fd();
                        fprintf(stderr, "test_wrong_fd: %s\n",
                                rv ? PASS:FAIL);
                        /* fall through */
                } while(0);
        } else {
                fprintf(stderr, "Failed to creat %s: %s\n",
                                object_name, strerror(errno));
                exit(1);
        }

        if (rv)
                return 0;
        else
                exit(1);
}