WebSVN – HelenOS – Diff – /branches/dynload/uspace/app/tester/vfs/vfs1.c


/*
 * Copyright (c) 2008 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vfs/vfs.h>
#include <unistd.h>
#include <fcntl.h>
#include <dirent.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "../tester.h"
 
char text[] = "O xein', angellein Lakedaimoniois hoti teide "
    "keimetha tois keinon rhemasi peithomenoi.";
 
char *test_vfs1(bool quiet)
{
    int rc;
 
    rc = mount("tmpfs", "/", "nulldev0", 0);
    switch (rc) {
    case EOK:
        if (!quiet)
            printf("mounted tmpfs on /\n");
        break;
    case EBUSY:
        if (!quiet)
            printf("(INFO) something is already mounted on /\n");
        break;
    default:
        if (!quiet)
            printf("(INFO) IPC returned errno %d\n", rc);
        return "mount() failed.";
    }
 
    if (mkdir("/mydir", 0) != 0)
        return "mkdir() failed.\n";
    if (!quiet)
        printf("created directory /mydir\n");
   
    int fd0 = open("/mydir/myfile", O_CREAT);
    if (fd0 < 0)
        return "open() failed.\n";
    if (!quiet)
        printf("created file /mydir/myfile, fd=%d\n", fd0);
 
    ssize_t cnt;
    size_t size = sizeof(text);
    cnt = write(fd0, text, size);
    if (cnt < 0)
        return "write() failed.\n";
    if (!quiet)
        printf("written %d bytes, fd=%d\n", cnt, fd0);
    if (lseek(fd0, 0, SEEK_SET) != 0)
        return "lseek() failed.\n";
    if (!quiet)
        printf("sought to position 0, fd=%d\n", fd0);
 
    char buf[10];
 
    while ((cnt = read(fd0, buf, sizeof(buf)))) {
        if (cnt < 0)
            return "read() failed.\n";
        if (!quiet)
            printf("read %d bytes: \"%.*s\", fd=%d\n", cnt, cnt,
                buf, fd0);
    }
 
    close(fd0);
 
    DIR *dirp;
    struct dirent *dp;
 
    if (!quiet)
        printf("scanning the root directory...\n");
 
    dirp = opendir("/");
    if (!dirp)
        return "opendir() failed\n";
    while ((dp = readdir(dirp)))
        printf("discovered node %s in /\n", dp->d_name);
    closedir(dirp);
 
    if (rename("/mydir/myfile", "/mydir/yourfile"))
        return "rename() failed.\n";
 
    if (!quiet)
        printf("renamed /mydir/myfile to /mydir/yourfile\n");
 
    if (unlink("/mydir/yourfile"))
        return "unlink() failed.\n";
   
    if (!quiet)
        printf("unlinked file /mydir/yourfile\n");
 
    if (rmdir("/mydir"))
        return "rmdir() failed.\n";
 
    if (!quiet)
        printf("removed directory /mydir\n");
   
    if (!quiet)
        printf("scanning the root directory...\n");
 
    dirp = opendir("/");
    if (!dirp)
        return "opendir() failed\n";
    while ((dp = readdir(dirp)))
        printf("discovered node %s in /\n", dp->d_name);
    closedir(dirp);
 
    return NULL;
}
 
 

Rev 2948	Rev 4345
1	/*	1	/*
2	* Copyright (c) 2008 Jakub Jermar	2	* Copyright (c) 2008 Jakub Jermar
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	#include <errno.h>	29	#include <errno.h>
30	#include <stdio.h>	30	#include <stdio.h>
31	#include <stdlib.h>	31	#include <stdlib.h>
32	#include <string.h>	32	#include <string.h>
33	#include <vfs/vfs.h>	33	#include <vfs/vfs.h>
34	#include <unistd.h>	34	#include <unistd.h>
35	#include <fcntl.h>	35	#include <fcntl.h>
36	#include <dirent.h>	36	#include <dirent.h>
37	#include <sys/types.h>	37	#include <sys/types.h>
38	#include <sys/stat.h>	38	#include <sys/stat.h>
39	#include "../tester.h"	39	#include "../tester.h"
40		40
41	char text[] = "O xein', angellein Lakedaimoniois hoti teide "	41	char text[] = "O xein', angellein Lakedaimoniois hoti teide "
42	"keimetha tois keinon rhemasi peithomenoi.";	42	"keimetha tois keinon rhemasi peithomenoi.";
43		43
44	char *test_vfs1(bool quiet)	44	char *test_vfs1(bool quiet)
45	{	45	{
46	int rc;	46	int rc;
47		47
48	rc = mount("tmpfs", "/", "nulldev0");	48	rc = mount("tmpfs", "/", "nulldev0", 0);
49	switch (rc) {	49	switch (rc) {
50	case EOK:	50	case EOK:
51	if (!quiet)	51	if (!quiet)
52	printf("mounted tmpfs on /\n");	52	printf("mounted tmpfs on /\n");
53	break;	53	break;
54	case EBUSY:	54	case EBUSY:
55	if (!quiet)	55	if (!quiet)
56	printf("(INFO) something is already mounted on /\n");	56	printf("(INFO) something is already mounted on /\n");
57	break;	57	break;
58	default:	58	default:
59	if (!quiet)	59	if (!quiet)
60	printf("(INFO) IPC returned errno %d\n", rc);	60	printf("(INFO) IPC returned errno %d\n", rc);
61	return "mount() failed.";	61	return "mount() failed.";
62	}	62	}
63		63
64	if (mkdir("/mydir", 0) != 0)	64	if (mkdir("/mydir", 0) != 0)
65	return "mkdir() failed.\n";	65	return "mkdir() failed.\n";
66	if (!quiet)	66	if (!quiet)
67	printf("created directory /mydir\n");	67	printf("created directory /mydir\n");
68		68
69	int fd0 = open("/mydir/myfile", O_CREAT);	69	int fd0 = open("/mydir/myfile", O_CREAT);
70	if (fd0 < 0)	70	if (fd0 < 0)
71	return "open() failed.\n";	71	return "open() failed.\n";
72	if (!quiet)	72	if (!quiet)
73	printf("created file /mydir/myfile, fd=%d\n", fd0);	73	printf("created file /mydir/myfile, fd=%d\n", fd0);
74		74
75	ssize_t cnt;	75	ssize_t cnt;
76	size_t size = sizeof(text);	76	size_t size = sizeof(text);
77	cnt = write(fd0, text, size);	77	cnt = write(fd0, text, size);
78	if (cnt < 0)	78	if (cnt < 0)
79	return "write() failed.\n";	79	return "write() failed.\n";
80	if (!quiet)	80	if (!quiet)
81	printf("written %d bytes, fd=%d\n", cnt, fd0);	81	printf("written %d bytes, fd=%d\n", cnt, fd0);
82	if (lseek(fd0, 0, SEEK_SET) != 0)	82	if (lseek(fd0, 0, SEEK_SET) != 0)
83	return "lseek() failed.\n";	83	return "lseek() failed.\n";
84	if (!quiet)	84	if (!quiet)
85	printf("sought to position 0, fd=%d\n", fd0);	85	printf("sought to position 0, fd=%d\n", fd0);
86		86
87	char buf[10];	87	char buf[10];
88		88
89	while ((cnt = read(fd0, buf, sizeof(buf)))) {	89	while ((cnt = read(fd0, buf, sizeof(buf)))) {
90	if (cnt < 0)	90	if (cnt < 0)
91	return "read() failed.\n";	91	return "read() failed.\n";
92	if (!quiet)	92	if (!quiet)
93	printf("read %d bytes: \"%.*s\", fd=%d\n", cnt, cnt,	93	printf("read %d bytes: \"%.*s\", fd=%d\n", cnt, cnt,
94	buf, fd0);	94	buf, fd0);
95	}	95	}
96		96
97	close(fd0);	97	close(fd0);
98		98
99	DIR *dirp;	99	DIR *dirp;
100	struct dirent *dp;	100	struct dirent *dp;
101		101
102	if (!quiet)	102	if (!quiet)
103	printf("scanning the root directory...\n");	103	printf("scanning the root directory...\n");
104		104
105	dirp = opendir("/");	105	dirp = opendir("/");
106	if (!dirp)	106	if (!dirp)
107	return "opendir() failed\n";	107	return "opendir() failed\n";
108	while ((dp = readdir(dirp)))	108	while ((dp = readdir(dirp)))
109	printf("discovered node %s in /\n", dp->d_name);	109	printf("discovered node %s in /\n", dp->d_name);
110	closedir(dirp);	110	closedir(dirp);
111		111
112	if (rename("/mydir/myfile", "/mydir/yourfile"))	112	if (rename("/mydir/myfile", "/mydir/yourfile"))
113	return "rename() failed.\n";	113	return "rename() failed.\n";
114		114
115	if (!quiet)	115	if (!quiet)
116	printf("renamed /mydir/myfile to /mydir/yourfile\n");	116	printf("renamed /mydir/myfile to /mydir/yourfile\n");
117		117
118	if (unlink("/mydir/yourfile"))	118	if (unlink("/mydir/yourfile"))
119	return "unlink() failed.\n";	119	return "unlink() failed.\n";
120		120
121	if (!quiet)	121	if (!quiet)
122	printf("unlinked file /mydir/yourfile\n");	122	printf("unlinked file /mydir/yourfile\n");
123		123
124	if (rmdir("/mydir"))	124	if (rmdir("/mydir"))
125	return "rmdir() failed.\n";	125	return "rmdir() failed.\n";
126		126
127	if (!quiet)	127	if (!quiet)
128	printf("removed directory /mydir\n");	128	printf("removed directory /mydir\n");
129		129
130	if (!quiet)	130	if (!quiet)
131	printf("scanning the root directory...\n");	131	printf("scanning the root directory...\n");
132		132
133	dirp = opendir("/");	133	dirp = opendir("/");
134	if (!dirp)	134	if (!dirp)
135	return "opendir() failed\n";	135	return "opendir() failed\n";
136	while ((dp = readdir(dirp)))	136	while ((dp = readdir(dirp)))
137	printf("discovered node %s in /\n", dp->d_name);	137	printf("discovered node %s in /\n", dp->d_name);
138	closedir(dirp);	138	closedir(dirp);
139		139
140	return NULL;	140	return NULL;
141	}	141	}
142		142
143		143

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(root)/branches/dynload/uspace/app/tester/vfs/vfs1.c – Rev 2948 → 4345