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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 <sys/types.h>
  38. #include <sys/stat.h>
  39. #include "../tester.h"
  40.  
  41. char text[] = "O xein', angellein Lakedaimoniois hoti teide "
  42.     "keimetha tois keinon rhemasi peithomenoi.";
  43.  
  44. char *test_vfs1(bool quiet)
  45. {
  46.     int rc;
  47.  
  48.     rc = mount("tmpfs", "/", "nulldev0");
  49.     switch (rc) {
  50.     case EOK:
  51.         if (!quiet)
  52.             printf("mounted tmpfs on /\n");
  53.         break;
  54.     case EBUSY:
  55.         if (!quiet)
  56.             printf("(INFO) something is already mounted on /\n");
  57.         break;
  58.     default:
  59.         if (!quiet)
  60.             printf("(INFO) IPC returned errno %d\n", rc);
  61.         return "mount() failed.";
  62.     }
  63.  
  64.     if (mkdir("/mydir", 0) != 0)
  65.         return "mkdir() failed.\n";
  66.     if (!quiet)
  67.         printf("created directory /mydir\n");
  68.    
  69.     int fd0 = open("/mydir/myfile", O_CREAT);
  70.     if (fd0 < 0)
  71.         return "open() failed.\n";
  72.     if (!quiet)
  73.         printf("created file /mydir/myfile, fd=%d\n", fd0);
  74.  
  75.     ssize_t cnt;
  76.     size_t size = sizeof(text);
  77.     cnt = write(fd0, text, size);
  78.     if (cnt < 0)
  79.         return "write() failed.\n";
  80.     if (!quiet)
  81.         printf("written %d bytes, fd=%d\n", cnt, fd0);
  82.     if (lseek(fd0, 0, SEEK_SET) != 0)
  83.         return "lseek() failed.\n";
  84.     if (!quiet)
  85.         printf("sought to position 0, fd=%d\n", fd0);
  86.  
  87.     char buf[10];
  88.  
  89.     while ((cnt = read(fd0, buf, sizeof(buf)))) {
  90.         if (cnt < 0)
  91.             return "read() failed.\n";
  92.         if (!quiet)
  93.             printf("read %d bytes: \"%.*s\", fd=%d\n", cnt, cnt,
  94.                 buf, fd0);
  95.     }
  96.  
  97.     close(fd0);
  98.  
  99.     DIR *dirp;
  100.     struct dirent *dp;
  101.  
  102.     if (!quiet)
  103.         printf("scanning the root directory...\n");
  104.  
  105.     dirp = opendir("/");
  106.     if (!dirp)
  107.         return "opendir() failed\n";
  108.     while ((dp = readdir(dirp)))
  109.         printf("discovered node %s in /\n", dp->d_name);
  110.     closedir(dirp);
  111.  
  112.     if (rename("/mydir/myfile", "/mydir/yourfile"))
  113.         return "rename() failed.\n";
  114.  
  115.     if (!quiet)
  116.         printf("renamed /mydir/myfile to /mydir/yourfile\n");
  117.  
  118.     if (unlink("/mydir/yourfile"))
  119.         return "unlink() failed.\n";
  120.    
  121.     if (!quiet)
  122.         printf("unlinked file /mydir/yourfile\n");
  123.  
  124.     if (rmdir("/mydir"))
  125.         return "rmdir() failed.\n";
  126.  
  127.     if (!quiet)
  128.         printf("removed directory /mydir\n");
  129.    
  130.     if (!quiet)
  131.         printf("scanning the root directory...\n");
  132.  
  133.     dirp = opendir("/");
  134.     if (!dirp)
  135.         return "opendir() failed\n";
  136.     while ((dp = readdir(dirp)))
  137.         printf("discovered node %s in /\n", dp->d_name);
  138.     closedir(dirp);
  139.  
  140.     return NULL;
  141. }
  142.  
  143.