scoutos / prex-0.9.0 / usr / test / fileio / fileio.c @ 03e9c04a
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1 | 03e9c04a | Brad Neuman | /*-
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2 | * Copyright (c) 2007, Kohsuke Ohtani
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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 | * 1. Redistributions of source code must retain the above copyright
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9 | * notice, this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright
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11 | * notice, this list of conditions and the following disclaimer in the
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12 | * documentation and/or other materials provided with the distribution.
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13 | * 3. Neither the name of the author nor the names of any co-contributors
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14 | * may be used to endorse or promote products derived from this software
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15 | * without specific prior written permission.
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16 | *
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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27 | * SUCH DAMAGE.
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28 | */
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29 | |||
30 | /*
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31 | * fileio.c - file I/O test program
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32 | */
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33 | |||
34 | #include <sys/prex.h> |
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35 | #include <ipc/ipc.h> |
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36 | |||
37 | #include <sys/syslog.h> |
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38 | #include <sys/mount.h> |
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39 | #include <sys/fcntl.h> |
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40 | |||
41 | #include <unistd.h> |
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42 | #include <string.h> |
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43 | #include <stdio.h> |
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44 | #include <errno.h> |
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45 | |||
46 | #define IOBUFSZ 512 |
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47 | #define READ_TARGET "/boot/LICENSE" |
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48 | #define WRITE_TARGET "/tmp/test" |
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49 | |||
50 | static char iobuf[IOBUFSZ]; |
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51 | |||
52 | static void |
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53 | test_write(void)
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54 | { |
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55 | int fd, i;
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56 | |||
57 | if ((fd = open(WRITE_TARGET, O_CREAT|O_RDWR, 0)) < 0) |
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58 | panic("can not open file " WRITE_TARGET);
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59 | |||
60 | for (i = 0; i < 50; i++) { |
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61 | memset(iobuf, i, IOBUFSZ); |
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62 | write(fd, iobuf, IOBUFSZ); |
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63 | } |
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64 | close(fd); |
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65 | } |
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66 | |||
67 | /*
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68 | * Display file contents
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69 | */
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70 | static void |
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71 | cat_file(void)
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72 | { |
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73 | int rd, fd;
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74 | |||
75 | if ((fd = open(READ_TARGET, O_RDONLY, 0)) < 0) |
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76 | panic("can not open file " READ_TARGET);
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77 | |||
78 | while ((rd = read(fd, iobuf, IOBUFSZ)) > 0) |
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79 | write(STDOUT_FILENO, iobuf, (size_t)rd); |
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80 | close(fd); |
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81 | } |
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82 | |||
83 | /*
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84 | * Test invalid request
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85 | */
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86 | static void |
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87 | test_invalid(void)
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88 | { |
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89 | object_t fsobj; |
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90 | struct msg m;
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91 | |||
92 | object_lookup("!fs", &fsobj);
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93 | m.hdr.code = 0x300;
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94 | msg_send(fsobj, &m, sizeof(m));
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95 | } |
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96 | |||
97 | /*
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98 | * Test open/close
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99 | */
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100 | static void |
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101 | test_open(void)
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102 | { |
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103 | int fd;
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104 | |||
105 | for (;;) {
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106 | if ((fd = open(READ_TARGET, O_RDONLY, 0)) < 0) |
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107 | panic("can not open file " READ_TARGET);
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108 | close(fd); |
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109 | } |
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110 | } |
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111 | |||
112 | /*
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113 | * Test file read
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114 | */
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115 | static void |
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116 | test_read(void)
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117 | { |
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118 | int rd, fd;
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119 | |||
120 | if ((fd = open(READ_TARGET, O_RDONLY, 0)) < 0) |
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121 | panic("can not open file " READ_TARGET);
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122 | |||
123 | for (;;)
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124 | while ((rd = read(fd, iobuf, IOBUFSZ)) > 0) |
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125 | ; |
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126 | |||
127 | close(fd); |
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128 | } |
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129 | |||
130 | /*
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131 | * Main routine
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132 | */
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133 | int
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134 | main(int argc, char *argv[]) |
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135 | { |
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136 | char test_str[] = "test stdout...\n\n"; |
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137 | |||
138 | syslog(LOG_INFO, "\nfileio: fs test program\n");
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139 | |||
140 | /* Wait 1 sec until loading fs server */
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141 | timer_sleep(1000, 0); |
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142 | |||
143 | /*
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144 | * Prepare to use a file system.
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145 | */
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146 | fslib_init(); |
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147 | |||
148 | /*
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149 | * Mount file systems
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150 | */
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151 | mount("", "/", "ramfs", 0, NULL); |
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152 | mkdir("/dev", 0); |
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153 | mount("", "/dev", "devfs", 0, NULL); /* device */ |
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154 | mkdir("/boot", 0); |
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155 | mount("/dev/ram0", "/boot", "arfs", 0, NULL); /* archive */ |
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156 | mkdir("/tmp", 0); |
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157 | /*
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158 | * Prepare stdio
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159 | */
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160 | open("/dev/tty", O_RDWR); /* stdin */ |
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161 | dup(0); /* stdout */ |
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162 | dup(0); /* stderr */ |
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163 | |||
164 | /* Test device write */
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165 | write(STDOUT_FILENO, test_str, strlen(test_str)); |
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166 | |||
167 | test_write(); |
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168 | |||
169 | cat_file(); /* test read/write */
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170 | |||
171 | test_invalid(); /* test invalid request */
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172 | |||
173 | test_read(); /* test read loop */
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174 | |||
175 | test_open(); /* test open/close loop */
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176 | |||
177 | /*
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178 | * Disconnect from a file system.
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179 | */
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180 | fslib_exit(); |
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181 | return 0; |
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182 | } |