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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
#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(msg) do { \
fprintf (stderr, "%s : Error (%s)\n", msg, strerror (errno)); \
} while (0)
glfs_t *
init_glfs (const char *hostname, const char *volname,
const char *logfile)
{
int ret = -1;
glfs_t *fs = NULL;
fs = glfs_new (volname);
if (!fs) {
LOG_ERR ("glfs_new failed");
return NULL;
}
ret = glfs_set_volfile_server (fs, "tcp", hostname, 24007);
if (ret < 0) {
LOG_ERR ("glfs_set_volfile_server failed");
goto out;
}
ret = glfs_set_logging (fs, logfile, 7);
if (ret < 0) {
LOG_ERR ("glfs_set_logging failed");
goto out;
}
ret = glfs_init (fs);
if (ret < 0) {
LOG_ERR ("glfs_init failed");
goto out;
}
ret = 0;
out:
if (ret) {
glfs_fini (fs);
fs = NULL;
}
return fs;
}
int
glfs_test_function (const char *hostname, const char *volname,
const char *logfile)
{
int ret = -1;
int flags = O_CREAT | O_RDWR;
glfs_t *fs = NULL;
glfs_fd_t *glfd = NULL;
const char *buff = "This is from my prog\n";
const char *filename = "glfs_test.txt";
fs = init_glfs (hostname, volname, logfile);
if (fs == NULL) {
LOG_ERR ("init_glfs failed");
return -1;
}
glfd = glfs_creat (fs, filename, flags, 0644);
if (glfd == NULL) {
LOG_ERR ("glfs_creat failed");
goto out;
}
ret = glfs_write (glfd, buff, strlen (buff), flags);
if (ret < 0) {
LOG_ERR ("glfs_write failed");
goto out;
}
ret = glfs_close (glfd);
if (ret < 0) {
LOG_ERR ("glfs_write failed");
goto out;
}
out:
ret = glfs_fini (fs);
if (ret) {
LOG_ERR ("glfs_fini failed");
}
return ret;
}
int
main (int argc, char *argv[])
{
int ret = 0;
char *hostname = NULL;
char *volname = NULL;
char *logfile = NULL;
if (argc != 4) {
fprintf (stderr, "Invalid argument\n");
exit(1);
}
hostname = argv[1];
volname = argv[2];
logfile = argv[3];
ret = glfs_test_function (hostname, volname, logfile);
if (ret) {
LOG_ERR ("glfs_test_function failed");
}
return ret;
}
|