| 1 | /*
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| 2 | * Copyright (c) 2008 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #include <errno.h>
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| 30 | #include <stdio.h>
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| 31 | #include <stdlib.h>
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| 32 | #include <string.h>
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| 33 | #include <vfs/vfs.h>
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| 34 | #include <unistd.h>
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| 35 | #include <fcntl.h>
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| 36 | #include <dirent.h>
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| 37 | #include <sys/types.h>
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| 38 | #include <sys/stat.h>
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| 39 | #include "../tester.h"
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| 40 |
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| 41 | char text[] = "O xein', angellein Lakedaimoniois hoti teide "
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| 42 | "keimetha tois keinon rhemasi peithomenoi.";
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| 43 |
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| 44 | char *test_vfs1(bool quiet)
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| 45 | {
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| 46 | int rc;
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| 47 |
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| 48 | rc = mount("tmpfs", "/", "nulldev0", 0);
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| 49 | switch (rc) {
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| 50 | case EOK:
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| 51 | if (!quiet)
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| 52 | printf("mounted tmpfs on /\n");
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| 53 | break;
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| 54 | case EBUSY:
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| 55 | if (!quiet)
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| 56 | printf("(INFO) something is already mounted on /\n");
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| 57 | break;
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| 58 | default:
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| 59 | if (!quiet)
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| 60 | printf("(INFO) IPC returned errno %d\n", rc);
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| 61 | return "mount() failed.";
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| 62 | }
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| 63 |
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| 64 | if (mkdir("/mydir", 0) != 0)
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| 65 | return "mkdir() failed.\n";
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| 66 | if (!quiet)
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| 67 | printf("created directory /mydir\n");
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| 68 |
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| 69 | int fd0 = open("/mydir/myfile", O_CREAT);
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| 70 | if (fd0 < 0)
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| 71 | return "open() failed.\n";
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| 72 | if (!quiet)
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| 73 | printf("created file /mydir/myfile, fd=%d\n", fd0);
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| 74 |
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| 75 | ssize_t cnt;
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| 76 | size_t size = sizeof(text);
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| 77 | cnt = write(fd0, text, size);
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| 78 | if (cnt < 0)
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| 79 | return "write() failed.\n";
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| 80 | if (!quiet)
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| 81 | printf("written %d bytes, fd=%d\n", cnt, fd0);
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| 82 | if (lseek(fd0, 0, SEEK_SET) != 0)
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| 83 | return "lseek() failed.\n";
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| 84 | if (!quiet)
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| 85 | printf("sought to position 0, fd=%d\n", fd0);
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| 86 |
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| 87 | char buf[10];
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| 88 |
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| 89 | while ((cnt = read(fd0, buf, sizeof(buf)))) {
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| 90 | if (cnt < 0)
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| 91 | return "read() failed.\n";
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| 92 | if (!quiet)
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| 93 | printf("read %d bytes: \"%.*s\", fd=%d\n", cnt, cnt,
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| 94 | buf, fd0);
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| 95 | }
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| 96 |
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| 97 | close(fd0);
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| 98 |
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| 99 | DIR *dirp;
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| 100 | struct dirent *dp;
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| 101 |
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| 102 | if (!quiet)
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| 103 | printf("scanning the root directory...\n");
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| 104 |
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| 105 | dirp = opendir("/");
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| 106 | if (!dirp)
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| 107 | return "opendir() failed\n";
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| 108 | while ((dp = readdir(dirp)))
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| 109 | printf("discovered node %s in /\n", dp->d_name);
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| 110 | closedir(dirp);
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| 111 |
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| 112 | if (rename("/mydir/myfile", "/mydir/yourfile"))
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| 113 | return "rename() failed.\n";
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| 114 |
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| 115 | if (!quiet)
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| 116 | printf("renamed /mydir/myfile to /mydir/yourfile\n");
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| 117 |
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| 118 | if (unlink("/mydir/yourfile"))
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| 119 | return "unlink() failed.\n";
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| 120 |
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| 121 | if (!quiet)
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| 122 | printf("unlinked file /mydir/yourfile\n");
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| 123 |
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| 124 | if (rmdir("/mydir"))
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| 125 | return "rmdir() failed.\n";
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| 126 |
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| 127 | if (!quiet)
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| 128 | printf("removed directory /mydir\n");
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| 129 |
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| 130 | if (!quiet)
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| 131 | printf("scanning the root directory...\n");
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| 132 |
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| 133 | dirp = opendir("/");
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| 134 | if (!dirp)
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| 135 | return "opendir() failed\n";
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| 136 | while ((dp = readdir(dirp)))
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| 137 | printf("discovered node %s in /\n", dp->d_name);
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| 138 | closedir(dirp);
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| 139 |
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| 140 | return NULL;
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| 141 | }
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| 142 |
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