Annotation of prex-old/usr/test/fileio/fileio.c, Revision 1.1.1.1
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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