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
|
#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>
#include <sys/wait.h>
int gfapi = 1;
#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[])
{
glfs_t *fs = NULL;
int ret = 0, i, status = 0;
glfs_fd_t *fd = NULL;
char *filename = "file_tmp";
char *volname = NULL;
char *logfile = NULL;
char *hostname = NULL;
struct flock lock = {
0,
};
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");
return -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);
fd = glfs_creat(fs, filename, O_RDWR | O_SYNC, 0644);
if (fd <= 0) {
ret = -1;
LOG_ERR("glfs_creat", ret);
}
fprintf(stderr, "glfs-create fd - %d\n", fd);
/* validate locks for negative range */
lock.l_type = F_WRLCK;
lock.l_whence = SEEK_SET;
lock.l_start = 10;
lock.l_len = -9;
ret = glfs_posix_lock(fd, F_SETLK, &lock);
LOG_ERR("glfs_posix_lock", ret);
err:
glfs_close(fd);
LOG_ERR("glfs_close", ret);
out:
if (fs) {
ret = glfs_fini(fs);
fprintf(stderr, "glfs_fini(fs) returned %d \n", ret);
}
if (ret)
exit(1);
exit(0);
}
|