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
127
128
|
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <time.h>
#include <limits.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <glusterfs/api/glfs.h>
#include <glusterfs/api/glfs-handles.h>
int cbk_complete = 0;
ssize_t cbk_ret_val = 0;
int
fill_iov(struct iovec *iov, char fillchar, int count)
{
int ret = -1;
iov->iov_base = malloc(count + 1);
if (iov->iov_base == NULL) {
return ret;
} else {
iov->iov_len = count;
ret = 0;
}
memset(iov->iov_base, fillchar, count);
memset(iov->iov_base + count, '\0', 1);
return ret;
}
void
write_async_cbk(glfs_fd_t *fd, ssize_t ret, void *cookie)
{
if (ret < 0) {
fprintf(stderr, "glfs_write failed");
}
cbk_ret_val = ret;
cbk_complete = 1;
}
int
write_async(glfs_t *fs, glfs_fd_t *glfd, int char_count)
{
ssize_t ret = -1;
int flags = O_RDWR;
struct iovec iov = {0};
ret = fill_iov(&iov, 'a', char_count);
if (ret) {
fprintf(stderr, "failed to create iov");
goto out;
}
ret = glfs_pwritev_async(glfd, &iov, 1, 0, flags, write_async_cbk, NULL);
out:
if (ret < 0) {
fprintf(stderr, "glfs_pwritev async failed");
}
return ret;
}
int
main(int argc, char *argv[])
{
glfs_t *fs = NULL;
glfs_fd_t *fd = NULL;
int ret = 1;
char buf[1024] = {0};
if (argc != 4) {
fprintf(stderr, "Syntax: %s <host> <volname> <file>\n", argv[0]);
return 1;
}
fs = glfs_new(argv[2]);
if (!fs) {
fprintf(stderr, "glfs_new: returned NULL\n");
return 1;
}
ret = glfs_set_volfile_server(fs, "tcp", argv[1], 24007);
if (ret != 0) {
fprintf(stderr, "glfs_set_volfile_server: returned %d\n", ret);
goto out;
}
ret = glfs_set_logging(fs, "/tmp/ec-fgetxattr.log", 7);
if (ret != 0) {
fprintf(stderr, "glfs_set_logging: returned %d\n", ret);
goto out;
}
ret = glfs_init(fs);
if (ret != 0) {
fprintf(stderr, "glfs_init: returned %d\n", ret);
goto out;
}
fd = glfs_open(fs, argv[3], O_RDWR | O_TRUNC);
if (fd == NULL) {
fprintf(stderr, "glfs_open: returned NULL\n");
goto out;
}
ret = write_async(fs, fd, 16);
if (ret) {
fprintf(stderr, "write_async failed\n");
}
sleep(1);
ret = glfs_fgetxattr(fd, "trusted.glusterfs.abc", buf, sizeof buf);
while (cbk_complete != 1) {
/* ret will be -ve as xattr doesn't exist, and fgetxattr should
* return waaaayyy before writev */
ret = 0;
sleep(1);
}
if (cbk_ret_val < 0) {
fprintf(stderr, "cbk_ret_val is -ve\n");
ret = -1;
}
glfs_close(fd);
out:
unlink("/tmp/ec-fgetxattr.log");
glfs_fini(fs);
return ret;
}
|
