usr/test/fileio/fileio.c

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

DEFINITIONS
