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  1. /*
  2.  * Copyright (c) 2008 Jakub Jermar
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #include <errno.h>
  30. #include <stdio.h>
  31. #include <stdlib.h>
  32. #include <string.h>
  33. #include <vfs/vfs.h>
  34. #include <unistd.h>
  35. #include <fcntl.h>
  36. #include <dirent.h>
  37. #include <devmap.h>
  38. #include <sys/types.h>
  39. #include <sys/stat.h>
  40. #include "../tester.h"
  41.  
  42. #define FS_TYPE      "tmpfs"
  43. #define MOUNT_POINT  "/tmp"
  44. #define OPTIONS      ""
  45. #define FLAGS        0
  46.  
  47. #define TEST_DIRECTORY  MOUNT_POINT "/testdir"
  48. #define TEST_FILE       TEST_DIRECTORY "/testfile"
  49. #define TEST_FILE2      TEST_DIRECTORY "/nextfile"
  50.  
  51. #define MAX_DEVICE_NAME  32
  52. #define BUF_SIZE         16
  53.  
  54. static char text[] = "Lorem ipsum dolor sit amet, consectetur adipisicing elit";
  55.  
  56. static char *read_root(void)
  57. {
  58.     TPRINTF("Opening the root directory...");
  59.    
  60.     DIR *dirp = opendir("/");
  61.     if (!dirp) {
  62.         TPRINTF("\n");
  63.         return "opendir() failed";
  64.     } else
  65.         TPRINTF("OK\n");
  66.    
  67.     struct dirent *dp;
  68.     while ((dp = readdir(dirp)))
  69.         TPRINTF(" node \"%s\"\n", dp->d_name);
  70.     closedir(dirp);
  71.    
  72.     return NULL;
  73. }
  74.  
  75. char *test_vfs1(void)
  76. {
  77.     if (mkdir(MOUNT_POINT, 0) != 0)
  78.         return "mkdir() failed";
  79.     TPRINTF("Created directory %s\n", MOUNT_POINT);
  80.    
  81.     char null[MAX_DEVICE_NAME];
  82.     int null_id = devmap_null_create();
  83.    
  84.     if (null_id == -1)
  85.         return "Unable to create null device";
  86.    
  87.     snprintf(null, MAX_DEVICE_NAME, "null%d", null_id);
  88.     int rc = mount(FS_TYPE, MOUNT_POINT, null, OPTIONS, FLAGS);
  89.     switch (rc) {
  90.     case EOK:
  91.         TPRINTF("Mounted /dev/%s as %s on %s\n", null, FS_TYPE, MOUNT_POINT);
  92.         break;
  93.     case EBUSY:
  94.         TPRINTF("(INFO) Filesystem already mounted on %s\n", MOUNT_POINT);
  95.         break;
  96.     default:
  97.         TPRINTF("(ERR) IPC returned errno %d (is tmpfs loaded?)\n", rc);
  98.         return "mount() failed";
  99.     }
  100.    
  101.     if (mkdir(TEST_DIRECTORY, 0) != 0)
  102.         return "mkdir() failed";
  103.     TPRINTF("Created directory %s\n", TEST_DIRECTORY);
  104.    
  105.     int fd0 = open(TEST_FILE, O_CREAT);
  106.     if (fd0 < 0)
  107.         return "open() failed";
  108.     TPRINTF("Created file %s (fd=%d)\n", TEST_FILE, fd0);
  109.    
  110.     size_t size = sizeof(text);
  111.     ssize_t cnt = write(fd0, text, size);
  112.     if (cnt < 0)
  113.         return "write() failed";
  114.     TPRINTF("Written %d bytes\n", cnt);
  115.    
  116.     if (lseek(fd0, 0, SEEK_SET) != 0)
  117.         return "lseek() failed";
  118.     TPRINTF("Sought to position 0\n");
  119.    
  120.     char buf[BUF_SIZE];
  121.     while ((cnt = read(fd0, buf, BUF_SIZE))) {
  122.         if (cnt < 0)
  123.             return "read() failed";
  124.        
  125.         TPRINTF("Read %d bytes: \".*s\"\n", cnt, cnt, buf);
  126.     }
  127.    
  128.     close(fd0);
  129.    
  130.     char *rv = read_root();
  131.     if (rv != NULL)
  132.         return rv;
  133.    
  134.     if (rename(TEST_FILE, TEST_FILE2))
  135.         return "rename() failed";
  136.     TPRINTF("Renamed %s to %s\n", TEST_FILE, TEST_FILE2);
  137.    
  138.     if (unlink(TEST_FILE2))
  139.         return "unlink() failed";
  140.     TPRINTF("Unlinked %s\n", TEST_FILE2);
  141.    
  142.     if (rmdir(TEST_DIRECTORY))
  143.         return "rmdir() failed";
  144.     TPRINTF("Removed directory %s\n", TEST_DIRECTORY);
  145.    
  146.     rv = read_root();
  147.     if (rv != NULL)
  148.         return rv;
  149.    
  150.     return NULL;
  151. }
  152.