root / prex-0.9.0 / usr / test / fileio / fileio.c @ 03e9c04a
History | View | Annotate | Download (3.91 KB)
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 |
} |