Annotation of prex-old/usr/test/fileio/fileio.c, Revision 1.1
1.1 ! nbrk 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 <prex/prex.h>
! 35: #include <server/stdmsg.h>
! 36: #include <server/object.h>
! 37:
! 38: #include <sys/syslog.h>
! 39: #include <sys/mount.h>
! 40: #include <sys/fcntl.h>
! 41:
! 42: #include <unistd.h>
! 43: #include <string.h>
! 44: #include <stdio.h>
! 45: #include <errno.h>
! 46:
! 47: #define IOBUFSZ 512
! 48: #define READ_TARGET "/boot/LICENSE"
! 49: #define WRITE_TARGET "/tmp/test"
! 50:
! 51: static char iobuf[IOBUFSZ];
! 52:
! 53: static void
! 54: test_write(void)
! 55: {
! 56: int fd, i;
! 57:
! 58: if ((fd = open(WRITE_TARGET, O_CREAT|O_RDWR, 0)) < 0)
! 59: panic("can not open file " WRITE_TARGET);
! 60:
! 61: for (i = 0; i < 50; i++) {
! 62: memset(iobuf, i, IOBUFSZ);
! 63: write(fd, iobuf, IOBUFSZ);
! 64: }
! 65: close(fd);
! 66: }
! 67:
! 68: /*
! 69: * Display file contents
! 70: */
! 71: static void
! 72: cat_file(void)
! 73: {
! 74: int rd, fd;
! 75:
! 76: if ((fd = open(READ_TARGET, O_RDONLY, 0)) < 0)
! 77: panic("can not open file " READ_TARGET);
! 78:
! 79: while ((rd = read(fd, iobuf, IOBUFSZ)) > 0)
! 80: write(STDOUT_FILENO, iobuf, (size_t)rd);
! 81: close(fd);
! 82: }
! 83:
! 84: /*
! 85: * Test invalid request
! 86: */
! 87: static void
! 88: test_invalid(void)
! 89: {
! 90: object_t fs_obj;
! 91: struct msg m;
! 92:
! 93: object_lookup(OBJNAME_FS, &fs_obj);
! 94: m.hdr.code = 0x300;
! 95: msg_send(fs_obj, &m, sizeof(m));
! 96: }
! 97:
! 98: /*
! 99: * Test open/close
! 100: */
! 101: static void
! 102: test_open(void)
! 103: {
! 104: int fd;
! 105:
! 106: for (;;) {
! 107: if ((fd = open(READ_TARGET, O_RDONLY, 0)) < 0)
! 108: panic("can not open file " READ_TARGET);
! 109: close(fd);
! 110: }
! 111: }
! 112:
! 113: /*
! 114: * Test file read
! 115: */
! 116: static void
! 117: test_read(void)
! 118: {
! 119: int rd, fd;
! 120:
! 121: if ((fd = open(READ_TARGET, O_RDONLY, 0)) < 0)
! 122: panic("can not open file " READ_TARGET);
! 123:
! 124: for (;;)
! 125: while ((rd = read(fd, iobuf, IOBUFSZ)) > 0)
! 126: ;
! 127:
! 128: close(fd);
! 129: }
! 130:
! 131: /*
! 132: * Main routine
! 133: */
! 134: int
! 135: main(int argc, char *argv[])
! 136: {
! 137: char test_str[] = "test stdout...\n\n";
! 138:
! 139: syslog(LOG_INFO, "\nfileio: fs test program\n");
! 140:
! 141: /* Wait 1 sec until loading fs server */
! 142: timer_sleep(1000, 0);
! 143:
! 144: /*
! 145: * Prepare to use a file system.
! 146: */
! 147: fslib_init();
! 148:
! 149: /*
! 150: * Mount file systems
! 151: */
! 152: mount("", "/", "ramfs", 0, NULL);
! 153: mkdir("/dev", 0);
! 154: mount("", "/dev", "devfs", 0, NULL); /* device */
! 155: mkdir("/boot", 0);
! 156: mount("/dev/ram0", "/boot", "arfs", 0, NULL); /* archive */
! 157: mkdir("/tmp", 0);
! 158: /*
! 159: * Prepare stdio
! 160: */
! 161: open("/dev/tty", O_RDWR); /* stdin */
! 162: dup(0); /* stdout */
! 163: dup(0); /* stderr */
! 164:
! 165: /* Test device write */
! 166: write(STDOUT_FILENO, test_str, strlen(test_str));
! 167:
! 168: test_write();
! 169:
! 170: cat_file(); /* test read/write */
! 171:
! 172: test_invalid(); /* test invalid request */
! 173:
! 174: test_read(); /* test read loop */
! 175:
! 176: test_open(); /* test open/close loop */
! 177:
! 178: /*
! 179: * Disconnect from a file system.
! 180: */
! 181: fslib_exit();
! 182: return 0;
! 183: }
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