1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
#include <fcntl.h>
#include <unistd.h>
#include <time.h>
#include <limits.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <glusterfs/api/glfs.h>
#include <glusterfs/api/glfs-handles.h>
#define LOG_ERR(func, ret) do { \
if (ret != 0) { \
fprintf (stderr, "%s : returned error %d (%s)\n", \
func, ret, strerror (errno)); \
goto out; \
} else { \
fprintf (stderr, "%s : returned %d\n", func, ret); \
} \
} while (0)
int
main (int argc, char *argv[])
{
int ret = 0;
glfs_t *fs = NULL;
struct glfs_object *root = NULL, *file_obj = NULL;
struct stat sb = {0, };
char readbuf[32], writebuf[32];
char *filename = "file.txt";
char *logfile = NULL;
char *volname = NULL;
char *hostname = NULL;
if (argc != 4) {
fprintf (stderr, "Invalid argument\n");
exit(1);
}
hostname = argv[1];
volname = argv[2];
logfile = argv[3];
fs = glfs_new (volname);
if (!fs) {
fprintf (stderr, "glfs_new: returned NULL\n");
ret = -1;
}
ret = glfs_set_volfile_server (fs, "tcp", hostname, 24007);
LOG_ERR("glfs_set_volfile_server", ret);
ret = glfs_set_logging (fs, logfile, 7);
LOG_ERR("glfs_set_logging", ret);
ret = glfs_init (fs);
LOG_ERR("glfs_init", ret);
root = glfs_h_lookupat (fs, NULL, "/", &sb, 0);
if (root == NULL) {
fprintf (stderr, "glfs_h_lookupat: error on lookup of / ,%s\n",
strerror (errno));
goto out;
}
file_obj = glfs_h_creat (fs, root, filename, O_CREAT, 0644, &sb);
if (file_obj == NULL) {
fprintf (stderr, "glfs_h_creat: error on create of %s: from (%p),%s\n",
filename, root, strerror (errno));
goto out;
}
/* test read/write based on anonymous fd */
memcpy (writebuf, "abcdefghijklmnopqrstuvwxyz012345", 32);
ret = glfs_h_anonymous_write (fs, file_obj, writebuf, 32, 0);
if (ret < 0)
LOG_ERR ("glfs_h_anonymous_write", ret);
ret = glfs_h_anonymous_read (fs, file_obj, readbuf, 32, 0);
if (ret < 0)
LOG_ERR ("glfs_h_anonymous_read", ret);
if (memcmp (readbuf, writebuf, 32)) {
fprintf (stderr, "Failed to read what I wrote: %s %s\n", readbuf,
writebuf);
ret = -1;
goto out;
}
ret = 0;
out:
if (file_obj)
glfs_h_close (file_obj);
if (fs) {
ret = glfs_fini(fs);
fprintf (stderr, "glfs_fini(fs) returned %d \n", ret);
}
if (ret)
exit(1);
exit(0);
}
|
