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
|
#include <glusterfs/api/glfs.h>
#include <glusterfs/api/glfs-handles.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define NO_INIT 1
int count = 0;
void
read_cbk(glfs_fd_t *fd, ssize_t ret, void *data)
{
count++;
}
glfs_t *
setup_new_client(char *hostname, char *volname, char *log_file, int flag)
{
int ret = 0;
glfs_t *fs = NULL;
fs = glfs_new(volname);
if (!fs) {
fprintf(stderr, "\nglfs_new: returned NULL (%s)\n", strerror(errno));
goto error;
}
ret = glfs_set_volfile_server(fs, "tcp", hostname, 24007);
if (ret < 0) {
fprintf(stderr, "\nglfs_set_volfile_server failed ret:%d (%s)\n", ret,
strerror(errno));
goto error;
}
ret = glfs_set_logging(fs, log_file, 7);
if (ret < 0) {
fprintf(stderr, "\nglfs_set_logging failed with ret: %d (%s)\n", ret,
strerror(errno));
goto error;
}
if (flag == NO_INIT)
goto out;
ret = glfs_init(fs);
if (ret < 0) {
fprintf(stderr, "\nglfs_init failed with ret: %d (%s)\n", ret,
strerror(errno));
goto error;
}
out:
return fs;
error:
return NULL;
}
int
main(int argc, char *argv[])
{
int ret = 0;
glfs_t *fs = NULL;
struct glfs_fd *fd = NULL;
char *volname = NULL;
char *log_file = NULL;
char *hostname = NULL;
char *buf = NULL;
struct stat stat;
if (argc != 4) {
fprintf(
stderr,
"Expect following args %s <hostname> <Vol> <log file location>\n",
argv[0]);
return -1;
}
hostname = argv[1];
volname = argv[2];
log_file = argv[3];
fs = setup_new_client(hostname, volname, log_file, 0);
if (!fs) {
fprintf(stderr, "\nsetup_new_client: returned NULL (%s)\n",
strerror(errno));
goto error;
}
fd = glfs_opendir(fs, "/");
if (!fd) {
fprintf(stderr, "/: %s\n", strerror(errno));
return -1;
}
glfs_readdirplus(fd, &stat);
fd = glfs_open(fs, "/test", O_RDWR);
if (fd == NULL) {
fprintf(stderr, "glfs_open: returned NULL\n");
goto error;
}
buf = (char *)malloc(5);
ret = glfs_pread(fd, buf, 5, 0, 0, NULL);
if (ret < 0) {
fprintf(stderr, "Read(%s): %d (%s)\n", "test", ret, strerror(errno));
return ret;
}
free(buf);
glfs_close(fd);
ret = glfs_fini(fs);
if (ret < 0) {
fprintf(stderr, "glfs_fini failed with ret: %d (%s)\n", ret,
strerror(errno));
return -1;
}
return 0;
error:
return -1;
}
|