source: mainline/uspace/app/tester/devs/devman2.c@ df29f24

/*
 * Copyright (c) 2011 Vojtech Horky
 * All rights reserved.
 *
 * 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

/** @addtogroup tester
 * @brief Test devman service.
 * @{
 */
/**
 * @file
 */

#include <inttypes.h>
#include <errno.h>
#include <str_error.h>
#include <sys/types.h>
#include <async.h>
#include <devman.h>
#include <str.h>
#include <vfs/vfs.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "../tester.h"

#define DEVICE_CLASS "test3"

const char *test_devman2(void)
{
        size_t idx = 1;
        int rc = EOK;
        const char *err_msg = NULL;
        char *path = NULL;
        while (rc == EOK) {
                rc = asprintf(&path, "/dev/class/%s\\%zu", DEVICE_CLASS, idx);
                if (rc < 0) {
                        continue;
                }
                int fd = open(path, O_RDONLY);
                if (fd < 0) {
                        TPRINTF("Failed opening `%s': %s.\n",
                            path, str_error(fd));
                        rc = fd;
                        err_msg = "Failed opening file";
                        continue;
                }
                int phone = fd_phone(fd);
                close(fd);
                if (phone < 0) {
                        TPRINTF("Failed opening phone: %s.\n", str_error(phone));
                        rc = phone;
                        err_msg = "Failed opening file descriptor phone";
                        continue;
                }
                async_hangup(phone);
                TPRINTF("Path `%s' okay.\n", path);
                free(path);
                idx++;
                rc = EOK;
        }
        
        if (path != NULL) {
                free(path);
        }

        return err_msg;
}

/** @}
 */